File: | build/source/clang/lib/Sema/SemaTemplateInstantiate.cpp |
Warning: | line 1271, column 15 Called C++ object pointer is null |
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1 | //===------- SemaTemplateInstantiate.cpp - C++ Template Instantiation ------===/ | ||||
2 | // | ||||
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||||
4 | // See https://llvm.org/LICENSE.txt for license information. | ||||
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||||
6 | //===----------------------------------------------------------------------===/ | ||||
7 | // | ||||
8 | // This file implements C++ template instantiation. | ||||
9 | // | ||||
10 | //===----------------------------------------------------------------------===/ | ||||
11 | |||||
12 | #include "TreeTransform.h" | ||||
13 | #include "clang/AST/ASTConcept.h" | ||||
14 | #include "clang/AST/ASTConsumer.h" | ||||
15 | #include "clang/AST/ASTContext.h" | ||||
16 | #include "clang/AST/ASTLambda.h" | ||||
17 | #include "clang/AST/ASTMutationListener.h" | ||||
18 | #include "clang/AST/DeclBase.h" | ||||
19 | #include "clang/AST/DeclTemplate.h" | ||||
20 | #include "clang/AST/Expr.h" | ||||
21 | #include "clang/AST/ExprConcepts.h" | ||||
22 | #include "clang/AST/PrettyDeclStackTrace.h" | ||||
23 | #include "clang/AST/Type.h" | ||||
24 | #include "clang/AST/TypeVisitor.h" | ||||
25 | #include "clang/Basic/LangOptions.h" | ||||
26 | #include "clang/Basic/Stack.h" | ||||
27 | #include "clang/Basic/TargetInfo.h" | ||||
28 | #include "clang/Sema/DeclSpec.h" | ||||
29 | #include "clang/Sema/EnterExpressionEvaluationContext.h" | ||||
30 | #include "clang/Sema/Initialization.h" | ||||
31 | #include "clang/Sema/Lookup.h" | ||||
32 | #include "clang/Sema/Sema.h" | ||||
33 | #include "clang/Sema/SemaConcept.h" | ||||
34 | #include "clang/Sema/SemaInternal.h" | ||||
35 | #include "clang/Sema/Template.h" | ||||
36 | #include "clang/Sema/TemplateDeduction.h" | ||||
37 | #include "clang/Sema/TemplateInstCallback.h" | ||||
38 | #include "llvm/ADT/ScopeExit.h" | ||||
39 | #include "llvm/Support/ErrorHandling.h" | ||||
40 | #include "llvm/Support/TimeProfiler.h" | ||||
41 | #include <optional> | ||||
42 | |||||
43 | using namespace clang; | ||||
44 | using namespace sema; | ||||
45 | |||||
46 | //===----------------------------------------------------------------------===/ | ||||
47 | // Template Instantiation Support | ||||
48 | //===----------------------------------------------------------------------===/ | ||||
49 | |||||
50 | namespace { | ||||
51 | namespace TemplateInstArgsHelpers { | ||||
52 | struct Response { | ||||
53 | const Decl *NextDecl = nullptr; | ||||
54 | bool IsDone = false; | ||||
55 | bool ClearRelativeToPrimary = true; | ||||
56 | static Response Done() { | ||||
57 | Response R; | ||||
58 | R.IsDone = true; | ||||
59 | return R; | ||||
60 | } | ||||
61 | static Response ChangeDecl(const Decl *ND) { | ||||
62 | Response R; | ||||
63 | R.NextDecl = ND; | ||||
64 | return R; | ||||
65 | } | ||||
66 | static Response ChangeDecl(const DeclContext *Ctx) { | ||||
67 | Response R; | ||||
68 | R.NextDecl = Decl::castFromDeclContext(Ctx); | ||||
69 | return R; | ||||
70 | } | ||||
71 | |||||
72 | static Response UseNextDecl(const Decl *CurDecl) { | ||||
73 | return ChangeDecl(CurDecl->getDeclContext()); | ||||
74 | } | ||||
75 | |||||
76 | static Response DontClearRelativeToPrimaryNextDecl(const Decl *CurDecl) { | ||||
77 | Response R = Response::UseNextDecl(CurDecl); | ||||
78 | R.ClearRelativeToPrimary = false; | ||||
79 | return R; | ||||
80 | } | ||||
81 | }; | ||||
82 | // Add template arguments from a variable template instantiation. | ||||
83 | Response | ||||
84 | HandleVarTemplateSpec(const VarTemplateSpecializationDecl *VarTemplSpec, | ||||
85 | MultiLevelTemplateArgumentList &Result, | ||||
86 | bool SkipForSpecialization) { | ||||
87 | // For a class-scope explicit specialization, there are no template arguments | ||||
88 | // at this level, but there may be enclosing template arguments. | ||||
89 | if (VarTemplSpec->isClassScopeExplicitSpecialization()) | ||||
90 | return Response::DontClearRelativeToPrimaryNextDecl(VarTemplSpec); | ||||
91 | |||||
92 | // We're done when we hit an explicit specialization. | ||||
93 | if (VarTemplSpec->getSpecializationKind() == TSK_ExplicitSpecialization && | ||||
94 | !isa<VarTemplatePartialSpecializationDecl>(VarTemplSpec)) | ||||
95 | return Response::Done(); | ||||
96 | |||||
97 | // If this variable template specialization was instantiated from a | ||||
98 | // specialized member that is a variable template, we're done. | ||||
99 | assert(VarTemplSpec->getSpecializedTemplate() && "No variable template?")(static_cast <bool> (VarTemplSpec->getSpecializedTemplate () && "No variable template?") ? void (0) : __assert_fail ("VarTemplSpec->getSpecializedTemplate() && \"No variable template?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 99, __extension__ __PRETTY_FUNCTION__)); | ||||
100 | llvm::PointerUnion<VarTemplateDecl *, VarTemplatePartialSpecializationDecl *> | ||||
101 | Specialized = VarTemplSpec->getSpecializedTemplateOrPartial(); | ||||
102 | if (VarTemplatePartialSpecializationDecl *Partial = | ||||
103 | Specialized.dyn_cast<VarTemplatePartialSpecializationDecl *>()) { | ||||
104 | if (!SkipForSpecialization) | ||||
105 | Result.addOuterTemplateArguments( | ||||
106 | Partial, VarTemplSpec->getTemplateInstantiationArgs().asArray(), | ||||
107 | /*Final=*/false); | ||||
108 | if (Partial->isMemberSpecialization()) | ||||
109 | return Response::Done(); | ||||
110 | } else { | ||||
111 | VarTemplateDecl *Tmpl = Specialized.get<VarTemplateDecl *>(); | ||||
112 | if (!SkipForSpecialization) | ||||
113 | Result.addOuterTemplateArguments( | ||||
114 | Tmpl, VarTemplSpec->getTemplateInstantiationArgs().asArray(), | ||||
115 | /*Final=*/false); | ||||
116 | if (Tmpl->isMemberSpecialization()) | ||||
117 | return Response::Done(); | ||||
118 | } | ||||
119 | return Response::DontClearRelativeToPrimaryNextDecl(VarTemplSpec); | ||||
120 | } | ||||
121 | |||||
122 | // If we have a template template parameter with translation unit context, | ||||
123 | // then we're performing substitution into a default template argument of | ||||
124 | // this template template parameter before we've constructed the template | ||||
125 | // that will own this template template parameter. In this case, we | ||||
126 | // use empty template parameter lists for all of the outer templates | ||||
127 | // to avoid performing any substitutions. | ||||
128 | Response | ||||
129 | HandleDefaultTempArgIntoTempTempParam(const TemplateTemplateParmDecl *TTP, | ||||
130 | MultiLevelTemplateArgumentList &Result) { | ||||
131 | for (unsigned I = 0, N = TTP->getDepth() + 1; I != N; ++I) | ||||
132 | Result.addOuterTemplateArguments(std::nullopt); | ||||
133 | return Response::Done(); | ||||
134 | } | ||||
135 | |||||
136 | Response HandlePartialClassTemplateSpec( | ||||
137 | const ClassTemplatePartialSpecializationDecl *PartialClassTemplSpec, | ||||
138 | MultiLevelTemplateArgumentList &Result, bool SkipForSpecialization) { | ||||
139 | if (!SkipForSpecialization) | ||||
140 | Result.addOuterRetainedLevels(PartialClassTemplSpec->getTemplateDepth()); | ||||
141 | return Response::Done(); | ||||
142 | } | ||||
143 | |||||
144 | // Add template arguments from a class template instantiation. | ||||
145 | Response | ||||
146 | HandleClassTemplateSpec(const ClassTemplateSpecializationDecl *ClassTemplSpec, | ||||
147 | MultiLevelTemplateArgumentList &Result, | ||||
148 | bool SkipForSpecialization) { | ||||
149 | if (!ClassTemplSpec->isClassScopeExplicitSpecialization()) { | ||||
150 | // We're done when we hit an explicit specialization. | ||||
151 | if (ClassTemplSpec->getSpecializationKind() == TSK_ExplicitSpecialization && | ||||
152 | !isa<ClassTemplatePartialSpecializationDecl>(ClassTemplSpec)) | ||||
153 | return Response::Done(); | ||||
154 | |||||
155 | if (!SkipForSpecialization) | ||||
156 | Result.addOuterTemplateArguments( | ||||
157 | const_cast<ClassTemplateSpecializationDecl *>(ClassTemplSpec), | ||||
158 | ClassTemplSpec->getTemplateInstantiationArgs().asArray(), | ||||
159 | /*Final=*/false); | ||||
160 | |||||
161 | // If this class template specialization was instantiated from a | ||||
162 | // specialized member that is a class template, we're done. | ||||
163 | assert(ClassTemplSpec->getSpecializedTemplate() && "No class template?")(static_cast <bool> (ClassTemplSpec->getSpecializedTemplate () && "No class template?") ? void (0) : __assert_fail ("ClassTemplSpec->getSpecializedTemplate() && \"No class template?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 163, __extension__ __PRETTY_FUNCTION__)); | ||||
164 | if (ClassTemplSpec->getSpecializedTemplate()->isMemberSpecialization()) | ||||
165 | return Response::Done(); | ||||
166 | } | ||||
167 | return Response::UseNextDecl(ClassTemplSpec); | ||||
168 | } | ||||
169 | |||||
170 | Response HandleFunction(const FunctionDecl *Function, | ||||
171 | MultiLevelTemplateArgumentList &Result, | ||||
172 | const FunctionDecl *Pattern, bool RelativeToPrimary, | ||||
173 | bool ForConstraintInstantiation) { | ||||
174 | // Add template arguments from a function template specialization. | ||||
175 | if (!RelativeToPrimary && | ||||
176 | Function->getTemplateSpecializationKindForInstantiation() == | ||||
177 | TSK_ExplicitSpecialization) | ||||
178 | return Response::Done(); | ||||
179 | |||||
180 | if (!RelativeToPrimary && | ||||
181 | Function->getTemplateSpecializationKind() == TSK_ExplicitSpecialization) { | ||||
182 | // This is an implicit instantiation of an explicit specialization. We | ||||
183 | // don't get any template arguments from this function but might get | ||||
184 | // some from an enclosing template. | ||||
185 | return Response::UseNextDecl(Function); | ||||
186 | } else if (const TemplateArgumentList *TemplateArgs = | ||||
187 | Function->getTemplateSpecializationArgs()) { | ||||
188 | // Add the template arguments for this specialization. | ||||
189 | Result.addOuterTemplateArguments(const_cast<FunctionDecl *>(Function), | ||||
190 | TemplateArgs->asArray(), | ||||
191 | /*Final=*/false); | ||||
192 | |||||
193 | // If this function was instantiated from a specialized member that is | ||||
194 | // a function template, we're done. | ||||
195 | assert(Function->getPrimaryTemplate() && "No function template?")(static_cast <bool> (Function->getPrimaryTemplate() && "No function template?") ? void (0) : __assert_fail ("Function->getPrimaryTemplate() && \"No function template?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 195, __extension__ __PRETTY_FUNCTION__)); | ||||
196 | if (Function->getPrimaryTemplate()->isMemberSpecialization()) | ||||
197 | return Response::Done(); | ||||
198 | |||||
199 | // If this function is a generic lambda specialization, we are done. | ||||
200 | if (!ForConstraintInstantiation && | ||||
201 | isGenericLambdaCallOperatorOrStaticInvokerSpecialization(Function)) | ||||
202 | return Response::Done(); | ||||
203 | |||||
204 | } else if (Function->getDescribedFunctionTemplate()) { | ||||
205 | assert((static_cast <bool> ((ForConstraintInstantiation || Result .getNumSubstitutedLevels() == 0) && "Outer template not instantiated?" ) ? void (0) : __assert_fail ("(ForConstraintInstantiation || Result.getNumSubstitutedLevels() == 0) && \"Outer template not instantiated?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 207, __extension__ __PRETTY_FUNCTION__)) | ||||
206 | (ForConstraintInstantiation || Result.getNumSubstitutedLevels() == 0) &&(static_cast <bool> ((ForConstraintInstantiation || Result .getNumSubstitutedLevels() == 0) && "Outer template not instantiated?" ) ? void (0) : __assert_fail ("(ForConstraintInstantiation || Result.getNumSubstitutedLevels() == 0) && \"Outer template not instantiated?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 207, __extension__ __PRETTY_FUNCTION__)) | ||||
207 | "Outer template not instantiated?")(static_cast <bool> ((ForConstraintInstantiation || Result .getNumSubstitutedLevels() == 0) && "Outer template not instantiated?" ) ? void (0) : __assert_fail ("(ForConstraintInstantiation || Result.getNumSubstitutedLevels() == 0) && \"Outer template not instantiated?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 207, __extension__ __PRETTY_FUNCTION__)); | ||||
208 | } | ||||
209 | // If this is a friend or local declaration and it declares an entity at | ||||
210 | // namespace scope, take arguments from its lexical parent | ||||
211 | // instead of its semantic parent, unless of course the pattern we're | ||||
212 | // instantiating actually comes from the file's context! | ||||
213 | if ((Function->getFriendObjectKind() || Function->isLocalExternDecl()) && | ||||
214 | Function->getNonTransparentDeclContext()->isFileContext() && | ||||
215 | (!Pattern || !Pattern->getLexicalDeclContext()->isFileContext())) { | ||||
216 | return Response::ChangeDecl(Function->getLexicalDeclContext()); | ||||
217 | } | ||||
218 | return Response::UseNextDecl(Function); | ||||
219 | } | ||||
220 | |||||
221 | Response HandleFunctionTemplateDecl(const FunctionTemplateDecl *FTD, | ||||
222 | MultiLevelTemplateArgumentList &Result) { | ||||
223 | if (!isa<ClassTemplateSpecializationDecl>(FTD->getDeclContext())) { | ||||
224 | NestedNameSpecifier *NNS = FTD->getTemplatedDecl()->getQualifier(); | ||||
225 | const Type *Ty; | ||||
226 | const TemplateSpecializationType *TSTy; | ||||
227 | if (NNS && (Ty = NNS->getAsType()) && | ||||
228 | (TSTy = Ty->getAs<TemplateSpecializationType>())) | ||||
229 | Result.addOuterTemplateArguments(const_cast<FunctionTemplateDecl *>(FTD), | ||||
230 | TSTy->template_arguments(), | ||||
231 | /*Final=*/false); | ||||
232 | } | ||||
233 | return Response::ChangeDecl(FTD->getLexicalDeclContext()); | ||||
234 | } | ||||
235 | |||||
236 | Response HandleRecordDecl(const CXXRecordDecl *Rec, | ||||
237 | MultiLevelTemplateArgumentList &Result, | ||||
238 | ASTContext &Context, | ||||
239 | bool ForConstraintInstantiation) { | ||||
240 | if (ClassTemplateDecl *ClassTemplate = Rec->getDescribedClassTemplate()) { | ||||
241 | assert((static_cast <bool> ((ForConstraintInstantiation || Result .getNumSubstitutedLevels() == 0) && "Outer template not instantiated?" ) ? void (0) : __assert_fail ("(ForConstraintInstantiation || Result.getNumSubstitutedLevels() == 0) && \"Outer template not instantiated?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 243, __extension__ __PRETTY_FUNCTION__)) | ||||
242 | (ForConstraintInstantiation || Result.getNumSubstitutedLevels() == 0) &&(static_cast <bool> ((ForConstraintInstantiation || Result .getNumSubstitutedLevels() == 0) && "Outer template not instantiated?" ) ? void (0) : __assert_fail ("(ForConstraintInstantiation || Result.getNumSubstitutedLevels() == 0) && \"Outer template not instantiated?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 243, __extension__ __PRETTY_FUNCTION__)) | ||||
243 | "Outer template not instantiated?")(static_cast <bool> ((ForConstraintInstantiation || Result .getNumSubstitutedLevels() == 0) && "Outer template not instantiated?" ) ? void (0) : __assert_fail ("(ForConstraintInstantiation || Result.getNumSubstitutedLevels() == 0) && \"Outer template not instantiated?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 243, __extension__ __PRETTY_FUNCTION__)); | ||||
244 | if (ClassTemplate->isMemberSpecialization()) | ||||
245 | return Response::Done(); | ||||
246 | if (ForConstraintInstantiation) | ||||
247 | Result.addOuterTemplateArguments(const_cast<CXXRecordDecl *>(Rec), | ||||
248 | ClassTemplate->getInjectedTemplateArgs(), | ||||
249 | /*Final=*/false); | ||||
250 | } | ||||
251 | |||||
252 | bool IsFriend = Rec->getFriendObjectKind() || | ||||
253 | (Rec->getDescribedClassTemplate() && | ||||
254 | Rec->getDescribedClassTemplate()->getFriendObjectKind()); | ||||
255 | if (ForConstraintInstantiation && IsFriend && | ||||
256 | Rec->getNonTransparentDeclContext()->isFileContext()) { | ||||
257 | return Response::ChangeDecl(Rec->getLexicalDeclContext()); | ||||
258 | } | ||||
259 | |||||
260 | // This is to make sure we pick up the VarTemplateSpecializationDecl that this | ||||
261 | // lambda is defined inside of. | ||||
262 | if (Rec->isLambda()) | ||||
263 | if (const Decl *LCD = Rec->getLambdaContextDecl()) | ||||
264 | return Response::ChangeDecl(LCD); | ||||
265 | |||||
266 | return Response::UseNextDecl(Rec); | ||||
267 | } | ||||
268 | |||||
269 | Response HandleImplicitConceptSpecializationDecl( | ||||
270 | const ImplicitConceptSpecializationDecl *CSD, | ||||
271 | MultiLevelTemplateArgumentList &Result) { | ||||
272 | Result.addOuterTemplateArguments( | ||||
273 | const_cast<ImplicitConceptSpecializationDecl *>(CSD), | ||||
274 | CSD->getTemplateArguments(), | ||||
275 | /*Final=*/false); | ||||
276 | return Response::UseNextDecl(CSD); | ||||
277 | } | ||||
278 | |||||
279 | Response HandleGenericDeclContext(const Decl *CurDecl) { | ||||
280 | return Response::UseNextDecl(CurDecl); | ||||
281 | } | ||||
282 | } // namespace TemplateInstArgsHelpers | ||||
283 | } // namespace | ||||
284 | |||||
285 | /// Retrieve the template argument list(s) that should be used to | ||||
286 | /// instantiate the definition of the given declaration. | ||||
287 | /// | ||||
288 | /// \param ND the declaration for which we are computing template instantiation | ||||
289 | /// arguments. | ||||
290 | /// | ||||
291 | /// \param Innermost if non-NULL, specifies a template argument list for the | ||||
292 | /// template declaration passed as ND. | ||||
293 | /// | ||||
294 | /// \param RelativeToPrimary true if we should get the template | ||||
295 | /// arguments relative to the primary template, even when we're | ||||
296 | /// dealing with a specialization. This is only relevant for function | ||||
297 | /// template specializations. | ||||
298 | /// | ||||
299 | /// \param Pattern If non-NULL, indicates the pattern from which we will be | ||||
300 | /// instantiating the definition of the given declaration, \p ND. This is | ||||
301 | /// used to determine the proper set of template instantiation arguments for | ||||
302 | /// friend function template specializations. | ||||
303 | /// | ||||
304 | /// \param ForConstraintInstantiation when collecting arguments, | ||||
305 | /// ForConstraintInstantiation indicates we should continue looking when | ||||
306 | /// encountering a lambda generic call operator, and continue looking for | ||||
307 | /// arguments on an enclosing class template. | ||||
308 | |||||
309 | MultiLevelTemplateArgumentList Sema::getTemplateInstantiationArgs( | ||||
310 | const NamedDecl *ND, bool Final, const TemplateArgumentList *Innermost, | ||||
311 | bool RelativeToPrimary, const FunctionDecl *Pattern, | ||||
312 | bool ForConstraintInstantiation, bool SkipForSpecialization) { | ||||
313 | assert(ND && "Can't find arguments for a decl if one isn't provided")(static_cast <bool> (ND && "Can't find arguments for a decl if one isn't provided" ) ? void (0) : __assert_fail ("ND && \"Can't find arguments for a decl if one isn't provided\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 313, __extension__ __PRETTY_FUNCTION__)); | ||||
314 | // Accumulate the set of template argument lists in this structure. | ||||
315 | MultiLevelTemplateArgumentList Result; | ||||
316 | |||||
317 | using namespace TemplateInstArgsHelpers; | ||||
318 | const Decl *CurDecl = ND; | ||||
319 | if (Innermost) { | ||||
320 | Result.addOuterTemplateArguments(const_cast<NamedDecl *>(ND), | ||||
321 | Innermost->asArray(), Final); | ||||
322 | CurDecl = Response::UseNextDecl(ND).NextDecl; | ||||
323 | } | ||||
324 | |||||
325 | while (!CurDecl->isFileContextDecl()) { | ||||
326 | Response R; | ||||
327 | if (const auto *VarTemplSpec = | ||||
328 | dyn_cast<VarTemplateSpecializationDecl>(CurDecl)) { | ||||
329 | R = HandleVarTemplateSpec(VarTemplSpec, Result, SkipForSpecialization); | ||||
330 | } else if (const auto *PartialClassTemplSpec = | ||||
331 | dyn_cast<ClassTemplatePartialSpecializationDecl>(CurDecl)) { | ||||
332 | R = HandlePartialClassTemplateSpec(PartialClassTemplSpec, Result, | ||||
333 | SkipForSpecialization); | ||||
334 | } else if (const auto *ClassTemplSpec = | ||||
335 | dyn_cast<ClassTemplateSpecializationDecl>(CurDecl)) { | ||||
336 | R = HandleClassTemplateSpec(ClassTemplSpec, Result, | ||||
337 | SkipForSpecialization); | ||||
338 | } else if (const auto *Function = dyn_cast<FunctionDecl>(CurDecl)) { | ||||
339 | R = HandleFunction(Function, Result, Pattern, RelativeToPrimary, | ||||
340 | ForConstraintInstantiation); | ||||
341 | } else if (const auto *Rec = dyn_cast<CXXRecordDecl>(CurDecl)) { | ||||
342 | R = HandleRecordDecl(Rec, Result, Context, ForConstraintInstantiation); | ||||
343 | } else if (const auto *CSD = | ||||
344 | dyn_cast<ImplicitConceptSpecializationDecl>(CurDecl)) { | ||||
345 | R = HandleImplicitConceptSpecializationDecl(CSD, Result); | ||||
346 | } else if (const auto *FTD = dyn_cast<FunctionTemplateDecl>(CurDecl)) { | ||||
347 | R = HandleFunctionTemplateDecl(FTD, Result); | ||||
348 | } else if (!isa<DeclContext>(CurDecl)) { | ||||
349 | R = Response::DontClearRelativeToPrimaryNextDecl(CurDecl); | ||||
350 | if (CurDecl->getDeclContext()->isTranslationUnit()) { | ||||
351 | if (const auto *TTP = dyn_cast<TemplateTemplateParmDecl>(CurDecl)) { | ||||
352 | R = HandleDefaultTempArgIntoTempTempParam(TTP, Result); | ||||
353 | } | ||||
354 | } | ||||
355 | } else { | ||||
356 | R = HandleGenericDeclContext(CurDecl); | ||||
357 | } | ||||
358 | |||||
359 | if (R.IsDone) | ||||
360 | return Result; | ||||
361 | if (R.ClearRelativeToPrimary) | ||||
362 | RelativeToPrimary = false; | ||||
363 | assert(R.NextDecl)(static_cast <bool> (R.NextDecl) ? void (0) : __assert_fail ("R.NextDecl", "clang/lib/Sema/SemaTemplateInstantiate.cpp", 363, __extension__ __PRETTY_FUNCTION__)); | ||||
364 | CurDecl = R.NextDecl; | ||||
365 | } | ||||
366 | |||||
367 | return Result; | ||||
368 | } | ||||
369 | |||||
370 | bool Sema::CodeSynthesisContext::isInstantiationRecord() const { | ||||
371 | switch (Kind) { | ||||
372 | case TemplateInstantiation: | ||||
373 | case ExceptionSpecInstantiation: | ||||
374 | case DefaultTemplateArgumentInstantiation: | ||||
375 | case DefaultFunctionArgumentInstantiation: | ||||
376 | case ExplicitTemplateArgumentSubstitution: | ||||
377 | case DeducedTemplateArgumentSubstitution: | ||||
378 | case PriorTemplateArgumentSubstitution: | ||||
379 | case ConstraintsCheck: | ||||
380 | case NestedRequirementConstraintsCheck: | ||||
381 | return true; | ||||
382 | |||||
383 | case RequirementInstantiation: | ||||
384 | case RequirementParameterInstantiation: | ||||
385 | case DefaultTemplateArgumentChecking: | ||||
386 | case DeclaringSpecialMember: | ||||
387 | case DeclaringImplicitEqualityComparison: | ||||
388 | case DefiningSynthesizedFunction: | ||||
389 | case ExceptionSpecEvaluation: | ||||
390 | case ConstraintSubstitution: | ||||
391 | case ParameterMappingSubstitution: | ||||
392 | case ConstraintNormalization: | ||||
393 | case RewritingOperatorAsSpaceship: | ||||
394 | case InitializingStructuredBinding: | ||||
395 | case MarkingClassDllexported: | ||||
396 | case BuildingBuiltinDumpStructCall: | ||||
397 | case LambdaExpressionSubstitution: | ||||
398 | return false; | ||||
399 | |||||
400 | // This function should never be called when Kind's value is Memoization. | ||||
401 | case Memoization: | ||||
402 | break; | ||||
403 | } | ||||
404 | |||||
405 | llvm_unreachable("Invalid SynthesisKind!")::llvm::llvm_unreachable_internal("Invalid SynthesisKind!", "clang/lib/Sema/SemaTemplateInstantiate.cpp" , 405); | ||||
406 | } | ||||
407 | |||||
408 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
409 | Sema &SemaRef, CodeSynthesisContext::SynthesisKind Kind, | ||||
410 | SourceLocation PointOfInstantiation, SourceRange InstantiationRange, | ||||
411 | Decl *Entity, NamedDecl *Template, ArrayRef<TemplateArgument> TemplateArgs, | ||||
412 | sema::TemplateDeductionInfo *DeductionInfo) | ||||
413 | : SemaRef(SemaRef) { | ||||
414 | // Don't allow further instantiation if a fatal error and an uncompilable | ||||
415 | // error have occurred. Any diagnostics we might have raised will not be | ||||
416 | // visible, and we do not need to construct a correct AST. | ||||
417 | if (SemaRef.Diags.hasFatalErrorOccurred() && | ||||
418 | SemaRef.hasUncompilableErrorOccurred()) { | ||||
419 | Invalid = true; | ||||
420 | return; | ||||
421 | } | ||||
422 | Invalid = CheckInstantiationDepth(PointOfInstantiation, InstantiationRange); | ||||
423 | if (!Invalid) { | ||||
424 | CodeSynthesisContext Inst; | ||||
425 | Inst.Kind = Kind; | ||||
426 | Inst.PointOfInstantiation = PointOfInstantiation; | ||||
427 | Inst.Entity = Entity; | ||||
428 | Inst.Template = Template; | ||||
429 | Inst.TemplateArgs = TemplateArgs.data(); | ||||
430 | Inst.NumTemplateArgs = TemplateArgs.size(); | ||||
431 | Inst.DeductionInfo = DeductionInfo; | ||||
432 | Inst.InstantiationRange = InstantiationRange; | ||||
433 | SemaRef.pushCodeSynthesisContext(Inst); | ||||
434 | |||||
435 | AlreadyInstantiating = !Inst.Entity ? false : | ||||
436 | !SemaRef.InstantiatingSpecializations | ||||
437 | .insert({Inst.Entity->getCanonicalDecl(), Inst.Kind}) | ||||
438 | .second; | ||||
439 | atTemplateBegin(SemaRef.TemplateInstCallbacks, SemaRef, Inst); | ||||
440 | } | ||||
441 | } | ||||
442 | |||||
443 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
444 | Sema &SemaRef, SourceLocation PointOfInstantiation, Decl *Entity, | ||||
445 | SourceRange InstantiationRange) | ||||
446 | : InstantiatingTemplate(SemaRef, | ||||
447 | CodeSynthesisContext::TemplateInstantiation, | ||||
448 | PointOfInstantiation, InstantiationRange, Entity) {} | ||||
449 | |||||
450 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
451 | Sema &SemaRef, SourceLocation PointOfInstantiation, FunctionDecl *Entity, | ||||
452 | ExceptionSpecification, SourceRange InstantiationRange) | ||||
453 | : InstantiatingTemplate( | ||||
454 | SemaRef, CodeSynthesisContext::ExceptionSpecInstantiation, | ||||
455 | PointOfInstantiation, InstantiationRange, Entity) {} | ||||
456 | |||||
457 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
458 | Sema &SemaRef, SourceLocation PointOfInstantiation, TemplateParameter Param, | ||||
459 | TemplateDecl *Template, ArrayRef<TemplateArgument> TemplateArgs, | ||||
460 | SourceRange InstantiationRange) | ||||
461 | : InstantiatingTemplate( | ||||
462 | SemaRef, | ||||
463 | CodeSynthesisContext::DefaultTemplateArgumentInstantiation, | ||||
464 | PointOfInstantiation, InstantiationRange, getAsNamedDecl(Param), | ||||
465 | Template, TemplateArgs) {} | ||||
466 | |||||
467 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
468 | Sema &SemaRef, SourceLocation PointOfInstantiation, | ||||
469 | FunctionTemplateDecl *FunctionTemplate, | ||||
470 | ArrayRef<TemplateArgument> TemplateArgs, | ||||
471 | CodeSynthesisContext::SynthesisKind Kind, | ||||
472 | sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange) | ||||
473 | : InstantiatingTemplate(SemaRef, Kind, PointOfInstantiation, | ||||
474 | InstantiationRange, FunctionTemplate, nullptr, | ||||
475 | TemplateArgs, &DeductionInfo) { | ||||
476 | assert((static_cast <bool> (Kind == CodeSynthesisContext::ExplicitTemplateArgumentSubstitution || Kind == CodeSynthesisContext::DeducedTemplateArgumentSubstitution ) ? void (0) : __assert_fail ("Kind == CodeSynthesisContext::ExplicitTemplateArgumentSubstitution || Kind == CodeSynthesisContext::DeducedTemplateArgumentSubstitution" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 478, __extension__ __PRETTY_FUNCTION__)) | ||||
477 | Kind == CodeSynthesisContext::ExplicitTemplateArgumentSubstitution ||(static_cast <bool> (Kind == CodeSynthesisContext::ExplicitTemplateArgumentSubstitution || Kind == CodeSynthesisContext::DeducedTemplateArgumentSubstitution ) ? void (0) : __assert_fail ("Kind == CodeSynthesisContext::ExplicitTemplateArgumentSubstitution || Kind == CodeSynthesisContext::DeducedTemplateArgumentSubstitution" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 478, __extension__ __PRETTY_FUNCTION__)) | ||||
478 | Kind == CodeSynthesisContext::DeducedTemplateArgumentSubstitution)(static_cast <bool> (Kind == CodeSynthesisContext::ExplicitTemplateArgumentSubstitution || Kind == CodeSynthesisContext::DeducedTemplateArgumentSubstitution ) ? void (0) : __assert_fail ("Kind == CodeSynthesisContext::ExplicitTemplateArgumentSubstitution || Kind == CodeSynthesisContext::DeducedTemplateArgumentSubstitution" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 478, __extension__ __PRETTY_FUNCTION__)); | ||||
479 | } | ||||
480 | |||||
481 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
482 | Sema &SemaRef, SourceLocation PointOfInstantiation, | ||||
483 | TemplateDecl *Template, | ||||
484 | ArrayRef<TemplateArgument> TemplateArgs, | ||||
485 | sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange) | ||||
486 | : InstantiatingTemplate( | ||||
487 | SemaRef, | ||||
488 | CodeSynthesisContext::DeducedTemplateArgumentSubstitution, | ||||
489 | PointOfInstantiation, InstantiationRange, Template, nullptr, | ||||
490 | TemplateArgs, &DeductionInfo) {} | ||||
491 | |||||
492 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
493 | Sema &SemaRef, SourceLocation PointOfInstantiation, | ||||
494 | ClassTemplatePartialSpecializationDecl *PartialSpec, | ||||
495 | ArrayRef<TemplateArgument> TemplateArgs, | ||||
496 | sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange) | ||||
497 | : InstantiatingTemplate( | ||||
498 | SemaRef, | ||||
499 | CodeSynthesisContext::DeducedTemplateArgumentSubstitution, | ||||
500 | PointOfInstantiation, InstantiationRange, PartialSpec, nullptr, | ||||
501 | TemplateArgs, &DeductionInfo) {} | ||||
502 | |||||
503 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
504 | Sema &SemaRef, SourceLocation PointOfInstantiation, | ||||
505 | VarTemplatePartialSpecializationDecl *PartialSpec, | ||||
506 | ArrayRef<TemplateArgument> TemplateArgs, | ||||
507 | sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange) | ||||
508 | : InstantiatingTemplate( | ||||
509 | SemaRef, | ||||
510 | CodeSynthesisContext::DeducedTemplateArgumentSubstitution, | ||||
511 | PointOfInstantiation, InstantiationRange, PartialSpec, nullptr, | ||||
512 | TemplateArgs, &DeductionInfo) {} | ||||
513 | |||||
514 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
515 | Sema &SemaRef, SourceLocation PointOfInstantiation, ParmVarDecl *Param, | ||||
516 | ArrayRef<TemplateArgument> TemplateArgs, SourceRange InstantiationRange) | ||||
517 | : InstantiatingTemplate( | ||||
518 | SemaRef, | ||||
519 | CodeSynthesisContext::DefaultFunctionArgumentInstantiation, | ||||
520 | PointOfInstantiation, InstantiationRange, Param, nullptr, | ||||
521 | TemplateArgs) {} | ||||
522 | |||||
523 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
524 | Sema &SemaRef, SourceLocation PointOfInstantiation, NamedDecl *Template, | ||||
525 | NonTypeTemplateParmDecl *Param, ArrayRef<TemplateArgument> TemplateArgs, | ||||
526 | SourceRange InstantiationRange) | ||||
527 | : InstantiatingTemplate( | ||||
528 | SemaRef, | ||||
529 | CodeSynthesisContext::PriorTemplateArgumentSubstitution, | ||||
530 | PointOfInstantiation, InstantiationRange, Param, Template, | ||||
531 | TemplateArgs) {} | ||||
532 | |||||
533 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
534 | Sema &SemaRef, SourceLocation PointOfInstantiation, NamedDecl *Template, | ||||
535 | TemplateTemplateParmDecl *Param, ArrayRef<TemplateArgument> TemplateArgs, | ||||
536 | SourceRange InstantiationRange) | ||||
537 | : InstantiatingTemplate( | ||||
538 | SemaRef, | ||||
539 | CodeSynthesisContext::PriorTemplateArgumentSubstitution, | ||||
540 | PointOfInstantiation, InstantiationRange, Param, Template, | ||||
541 | TemplateArgs) {} | ||||
542 | |||||
543 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
544 | Sema &SemaRef, SourceLocation PointOfInstantiation, TemplateDecl *Template, | ||||
545 | NamedDecl *Param, ArrayRef<TemplateArgument> TemplateArgs, | ||||
546 | SourceRange InstantiationRange) | ||||
547 | : InstantiatingTemplate( | ||||
548 | SemaRef, CodeSynthesisContext::DefaultTemplateArgumentChecking, | ||||
549 | PointOfInstantiation, InstantiationRange, Param, Template, | ||||
550 | TemplateArgs) {} | ||||
551 | |||||
552 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
553 | Sema &SemaRef, SourceLocation PointOfInstantiation, | ||||
554 | concepts::Requirement *Req, sema::TemplateDeductionInfo &DeductionInfo, | ||||
555 | SourceRange InstantiationRange) | ||||
556 | : InstantiatingTemplate( | ||||
557 | SemaRef, CodeSynthesisContext::RequirementInstantiation, | ||||
558 | PointOfInstantiation, InstantiationRange, /*Entity=*/nullptr, | ||||
559 | /*Template=*/nullptr, /*TemplateArgs=*/std::nullopt, &DeductionInfo) { | ||||
560 | } | ||||
561 | |||||
562 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
563 | Sema &SemaRef, SourceLocation PointOfInstantiation, | ||||
564 | concepts::NestedRequirement *Req, ConstraintsCheck, | ||||
565 | SourceRange InstantiationRange) | ||||
566 | : InstantiatingTemplate( | ||||
567 | SemaRef, CodeSynthesisContext::NestedRequirementConstraintsCheck, | ||||
568 | PointOfInstantiation, InstantiationRange, /*Entity=*/nullptr, | ||||
569 | /*Template=*/nullptr, /*TemplateArgs=*/std::nullopt) {} | ||||
570 | |||||
571 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
572 | Sema &SemaRef, SourceLocation PointOfInstantiation, const RequiresExpr *RE, | ||||
573 | sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange) | ||||
574 | : InstantiatingTemplate( | ||||
575 | SemaRef, CodeSynthesisContext::RequirementParameterInstantiation, | ||||
576 | PointOfInstantiation, InstantiationRange, /*Entity=*/nullptr, | ||||
577 | /*Template=*/nullptr, /*TemplateArgs=*/std::nullopt, &DeductionInfo) { | ||||
578 | } | ||||
579 | |||||
580 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
581 | Sema &SemaRef, SourceLocation PointOfInstantiation, | ||||
582 | ConstraintsCheck, NamedDecl *Template, | ||||
583 | ArrayRef<TemplateArgument> TemplateArgs, SourceRange InstantiationRange) | ||||
584 | : InstantiatingTemplate( | ||||
585 | SemaRef, CodeSynthesisContext::ConstraintsCheck, | ||||
586 | PointOfInstantiation, InstantiationRange, Template, nullptr, | ||||
587 | TemplateArgs) {} | ||||
588 | |||||
589 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
590 | Sema &SemaRef, SourceLocation PointOfInstantiation, | ||||
591 | ConstraintSubstitution, NamedDecl *Template, | ||||
592 | sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange) | ||||
593 | : InstantiatingTemplate( | ||||
594 | SemaRef, CodeSynthesisContext::ConstraintSubstitution, | ||||
595 | PointOfInstantiation, InstantiationRange, Template, nullptr, | ||||
596 | {}, &DeductionInfo) {} | ||||
597 | |||||
598 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
599 | Sema &SemaRef, SourceLocation PointOfInstantiation, | ||||
600 | ConstraintNormalization, NamedDecl *Template, | ||||
601 | SourceRange InstantiationRange) | ||||
602 | : InstantiatingTemplate( | ||||
603 | SemaRef, CodeSynthesisContext::ConstraintNormalization, | ||||
604 | PointOfInstantiation, InstantiationRange, Template) {} | ||||
605 | |||||
606 | Sema::InstantiatingTemplate::InstantiatingTemplate( | ||||
607 | Sema &SemaRef, SourceLocation PointOfInstantiation, | ||||
608 | ParameterMappingSubstitution, NamedDecl *Template, | ||||
609 | SourceRange InstantiationRange) | ||||
610 | : InstantiatingTemplate( | ||||
611 | SemaRef, CodeSynthesisContext::ParameterMappingSubstitution, | ||||
612 | PointOfInstantiation, InstantiationRange, Template) {} | ||||
613 | |||||
614 | |||||
615 | void Sema::pushCodeSynthesisContext(CodeSynthesisContext Ctx) { | ||||
616 | Ctx.SavedInNonInstantiationSFINAEContext = InNonInstantiationSFINAEContext; | ||||
617 | InNonInstantiationSFINAEContext = false; | ||||
618 | |||||
619 | CodeSynthesisContexts.push_back(Ctx); | ||||
620 | |||||
621 | if (!Ctx.isInstantiationRecord()) | ||||
622 | ++NonInstantiationEntries; | ||||
623 | |||||
624 | // Check to see if we're low on stack space. We can't do anything about this | ||||
625 | // from here, but we can at least warn the user. | ||||
626 | if (isStackNearlyExhausted()) | ||||
627 | warnStackExhausted(Ctx.PointOfInstantiation); | ||||
628 | } | ||||
629 | |||||
630 | void Sema::popCodeSynthesisContext() { | ||||
631 | auto &Active = CodeSynthesisContexts.back(); | ||||
632 | if (!Active.isInstantiationRecord()) { | ||||
633 | assert(NonInstantiationEntries > 0)(static_cast <bool> (NonInstantiationEntries > 0) ? void (0) : __assert_fail ("NonInstantiationEntries > 0", "clang/lib/Sema/SemaTemplateInstantiate.cpp" , 633, __extension__ __PRETTY_FUNCTION__)); | ||||
634 | --NonInstantiationEntries; | ||||
635 | } | ||||
636 | |||||
637 | InNonInstantiationSFINAEContext = Active.SavedInNonInstantiationSFINAEContext; | ||||
638 | |||||
639 | // Name lookup no longer looks in this template's defining module. | ||||
640 | assert(CodeSynthesisContexts.size() >=(static_cast <bool> (CodeSynthesisContexts.size() >= CodeSynthesisContextLookupModules.size() && "forgot to remove a lookup module for a template instantiation" ) ? void (0) : __assert_fail ("CodeSynthesisContexts.size() >= CodeSynthesisContextLookupModules.size() && \"forgot to remove a lookup module for a template instantiation\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 642, __extension__ __PRETTY_FUNCTION__)) | ||||
641 | CodeSynthesisContextLookupModules.size() &&(static_cast <bool> (CodeSynthesisContexts.size() >= CodeSynthesisContextLookupModules.size() && "forgot to remove a lookup module for a template instantiation" ) ? void (0) : __assert_fail ("CodeSynthesisContexts.size() >= CodeSynthesisContextLookupModules.size() && \"forgot to remove a lookup module for a template instantiation\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 642, __extension__ __PRETTY_FUNCTION__)) | ||||
642 | "forgot to remove a lookup module for a template instantiation")(static_cast <bool> (CodeSynthesisContexts.size() >= CodeSynthesisContextLookupModules.size() && "forgot to remove a lookup module for a template instantiation" ) ? void (0) : __assert_fail ("CodeSynthesisContexts.size() >= CodeSynthesisContextLookupModules.size() && \"forgot to remove a lookup module for a template instantiation\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 642, __extension__ __PRETTY_FUNCTION__)); | ||||
643 | if (CodeSynthesisContexts.size() == | ||||
644 | CodeSynthesisContextLookupModules.size()) { | ||||
645 | if (Module *M = CodeSynthesisContextLookupModules.back()) | ||||
646 | LookupModulesCache.erase(M); | ||||
647 | CodeSynthesisContextLookupModules.pop_back(); | ||||
648 | } | ||||
649 | |||||
650 | // If we've left the code synthesis context for the current context stack, | ||||
651 | // stop remembering that we've emitted that stack. | ||||
652 | if (CodeSynthesisContexts.size() == | ||||
653 | LastEmittedCodeSynthesisContextDepth) | ||||
654 | LastEmittedCodeSynthesisContextDepth = 0; | ||||
655 | |||||
656 | CodeSynthesisContexts.pop_back(); | ||||
657 | } | ||||
658 | |||||
659 | void Sema::InstantiatingTemplate::Clear() { | ||||
660 | if (!Invalid) { | ||||
661 | if (!AlreadyInstantiating) { | ||||
662 | auto &Active = SemaRef.CodeSynthesisContexts.back(); | ||||
663 | if (Active.Entity) | ||||
664 | SemaRef.InstantiatingSpecializations.erase( | ||||
665 | {Active.Entity->getCanonicalDecl(), Active.Kind}); | ||||
666 | } | ||||
667 | |||||
668 | atTemplateEnd(SemaRef.TemplateInstCallbacks, SemaRef, | ||||
669 | SemaRef.CodeSynthesisContexts.back()); | ||||
670 | |||||
671 | SemaRef.popCodeSynthesisContext(); | ||||
672 | Invalid = true; | ||||
673 | } | ||||
674 | } | ||||
675 | |||||
676 | static std::string convertCallArgsToString(Sema &S, | ||||
677 | llvm::ArrayRef<const Expr *> Args) { | ||||
678 | std::string Result; | ||||
679 | llvm::raw_string_ostream OS(Result); | ||||
680 | llvm::ListSeparator Comma; | ||||
681 | for (const Expr *Arg : Args) { | ||||
682 | OS << Comma; | ||||
683 | Arg->IgnoreParens()->printPretty(OS, nullptr, | ||||
684 | S.Context.getPrintingPolicy()); | ||||
685 | } | ||||
686 | return Result; | ||||
687 | } | ||||
688 | |||||
689 | bool Sema::InstantiatingTemplate::CheckInstantiationDepth( | ||||
690 | SourceLocation PointOfInstantiation, | ||||
691 | SourceRange InstantiationRange) { | ||||
692 | assert(SemaRef.NonInstantiationEntries <=(static_cast <bool> (SemaRef.NonInstantiationEntries <= SemaRef.CodeSynthesisContexts.size()) ? void (0) : __assert_fail ("SemaRef.NonInstantiationEntries <= SemaRef.CodeSynthesisContexts.size()" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 693, __extension__ __PRETTY_FUNCTION__)) | ||||
693 | SemaRef.CodeSynthesisContexts.size())(static_cast <bool> (SemaRef.NonInstantiationEntries <= SemaRef.CodeSynthesisContexts.size()) ? void (0) : __assert_fail ("SemaRef.NonInstantiationEntries <= SemaRef.CodeSynthesisContexts.size()" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 693, __extension__ __PRETTY_FUNCTION__)); | ||||
694 | if ((SemaRef.CodeSynthesisContexts.size() - | ||||
695 | SemaRef.NonInstantiationEntries) | ||||
696 | <= SemaRef.getLangOpts().InstantiationDepth) | ||||
697 | return false; | ||||
698 | |||||
699 | SemaRef.Diag(PointOfInstantiation, | ||||
700 | diag::err_template_recursion_depth_exceeded) | ||||
701 | << SemaRef.getLangOpts().InstantiationDepth | ||||
702 | << InstantiationRange; | ||||
703 | SemaRef.Diag(PointOfInstantiation, diag::note_template_recursion_depth) | ||||
704 | << SemaRef.getLangOpts().InstantiationDepth; | ||||
705 | return true; | ||||
706 | } | ||||
707 | |||||
708 | /// Prints the current instantiation stack through a series of | ||||
709 | /// notes. | ||||
710 | void Sema::PrintInstantiationStack() { | ||||
711 | // Determine which template instantiations to skip, if any. | ||||
712 | unsigned SkipStart = CodeSynthesisContexts.size(), SkipEnd = SkipStart; | ||||
713 | unsigned Limit = Diags.getTemplateBacktraceLimit(); | ||||
714 | if (Limit && Limit < CodeSynthesisContexts.size()) { | ||||
715 | SkipStart = Limit / 2 + Limit % 2; | ||||
716 | SkipEnd = CodeSynthesisContexts.size() - Limit / 2; | ||||
717 | } | ||||
718 | |||||
719 | // FIXME: In all of these cases, we need to show the template arguments | ||||
720 | unsigned InstantiationIdx = 0; | ||||
721 | for (SmallVectorImpl<CodeSynthesisContext>::reverse_iterator | ||||
722 | Active = CodeSynthesisContexts.rbegin(), | ||||
723 | ActiveEnd = CodeSynthesisContexts.rend(); | ||||
724 | Active != ActiveEnd; | ||||
725 | ++Active, ++InstantiationIdx) { | ||||
726 | // Skip this instantiation? | ||||
727 | if (InstantiationIdx >= SkipStart && InstantiationIdx < SkipEnd) { | ||||
728 | if (InstantiationIdx == SkipStart) { | ||||
729 | // Note that we're skipping instantiations. | ||||
730 | Diags.Report(Active->PointOfInstantiation, | ||||
731 | diag::note_instantiation_contexts_suppressed) | ||||
732 | << unsigned(CodeSynthesisContexts.size() - Limit); | ||||
733 | } | ||||
734 | continue; | ||||
735 | } | ||||
736 | |||||
737 | switch (Active->Kind) { | ||||
738 | case CodeSynthesisContext::TemplateInstantiation: { | ||||
739 | Decl *D = Active->Entity; | ||||
740 | if (CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(D)) { | ||||
741 | unsigned DiagID = diag::note_template_member_class_here; | ||||
742 | if (isa<ClassTemplateSpecializationDecl>(Record)) | ||||
743 | DiagID = diag::note_template_class_instantiation_here; | ||||
744 | Diags.Report(Active->PointOfInstantiation, DiagID) | ||||
745 | << Record << Active->InstantiationRange; | ||||
746 | } else if (FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) { | ||||
747 | unsigned DiagID; | ||||
748 | if (Function->getPrimaryTemplate()) | ||||
749 | DiagID = diag::note_function_template_spec_here; | ||||
750 | else | ||||
751 | DiagID = diag::note_template_member_function_here; | ||||
752 | Diags.Report(Active->PointOfInstantiation, DiagID) | ||||
753 | << Function | ||||
754 | << Active->InstantiationRange; | ||||
755 | } else if (VarDecl *VD = dyn_cast<VarDecl>(D)) { | ||||
756 | Diags.Report(Active->PointOfInstantiation, | ||||
757 | VD->isStaticDataMember()? | ||||
758 | diag::note_template_static_data_member_def_here | ||||
759 | : diag::note_template_variable_def_here) | ||||
760 | << VD | ||||
761 | << Active->InstantiationRange; | ||||
762 | } else if (EnumDecl *ED = dyn_cast<EnumDecl>(D)) { | ||||
763 | Diags.Report(Active->PointOfInstantiation, | ||||
764 | diag::note_template_enum_def_here) | ||||
765 | << ED | ||||
766 | << Active->InstantiationRange; | ||||
767 | } else if (FieldDecl *FD = dyn_cast<FieldDecl>(D)) { | ||||
768 | Diags.Report(Active->PointOfInstantiation, | ||||
769 | diag::note_template_nsdmi_here) | ||||
770 | << FD << Active->InstantiationRange; | ||||
771 | } else { | ||||
772 | Diags.Report(Active->PointOfInstantiation, | ||||
773 | diag::note_template_type_alias_instantiation_here) | ||||
774 | << cast<TypeAliasTemplateDecl>(D) | ||||
775 | << Active->InstantiationRange; | ||||
776 | } | ||||
777 | break; | ||||
778 | } | ||||
779 | |||||
780 | case CodeSynthesisContext::DefaultTemplateArgumentInstantiation: { | ||||
781 | TemplateDecl *Template = cast<TemplateDecl>(Active->Template); | ||||
782 | SmallString<128> TemplateArgsStr; | ||||
783 | llvm::raw_svector_ostream OS(TemplateArgsStr); | ||||
784 | Template->printName(OS, getPrintingPolicy()); | ||||
785 | printTemplateArgumentList(OS, Active->template_arguments(), | ||||
786 | getPrintingPolicy()); | ||||
787 | Diags.Report(Active->PointOfInstantiation, | ||||
788 | diag::note_default_arg_instantiation_here) | ||||
789 | << OS.str() | ||||
790 | << Active->InstantiationRange; | ||||
791 | break; | ||||
792 | } | ||||
793 | |||||
794 | case CodeSynthesisContext::ExplicitTemplateArgumentSubstitution: { | ||||
795 | FunctionTemplateDecl *FnTmpl = cast<FunctionTemplateDecl>(Active->Entity); | ||||
796 | Diags.Report(Active->PointOfInstantiation, | ||||
797 | diag::note_explicit_template_arg_substitution_here) | ||||
798 | << FnTmpl | ||||
799 | << getTemplateArgumentBindingsText(FnTmpl->getTemplateParameters(), | ||||
800 | Active->TemplateArgs, | ||||
801 | Active->NumTemplateArgs) | ||||
802 | << Active->InstantiationRange; | ||||
803 | break; | ||||
804 | } | ||||
805 | |||||
806 | case CodeSynthesisContext::DeducedTemplateArgumentSubstitution: { | ||||
807 | if (FunctionTemplateDecl *FnTmpl = | ||||
808 | dyn_cast<FunctionTemplateDecl>(Active->Entity)) { | ||||
809 | Diags.Report(Active->PointOfInstantiation, | ||||
810 | diag::note_function_template_deduction_instantiation_here) | ||||
811 | << FnTmpl | ||||
812 | << getTemplateArgumentBindingsText(FnTmpl->getTemplateParameters(), | ||||
813 | Active->TemplateArgs, | ||||
814 | Active->NumTemplateArgs) | ||||
815 | << Active->InstantiationRange; | ||||
816 | } else { | ||||
817 | bool IsVar = isa<VarTemplateDecl>(Active->Entity) || | ||||
818 | isa<VarTemplateSpecializationDecl>(Active->Entity); | ||||
819 | bool IsTemplate = false; | ||||
820 | TemplateParameterList *Params; | ||||
821 | if (auto *D = dyn_cast<TemplateDecl>(Active->Entity)) { | ||||
822 | IsTemplate = true; | ||||
823 | Params = D->getTemplateParameters(); | ||||
824 | } else if (auto *D = dyn_cast<ClassTemplatePartialSpecializationDecl>( | ||||
825 | Active->Entity)) { | ||||
826 | Params = D->getTemplateParameters(); | ||||
827 | } else if (auto *D = dyn_cast<VarTemplatePartialSpecializationDecl>( | ||||
828 | Active->Entity)) { | ||||
829 | Params = D->getTemplateParameters(); | ||||
830 | } else { | ||||
831 | llvm_unreachable("unexpected template kind")::llvm::llvm_unreachable_internal("unexpected template kind", "clang/lib/Sema/SemaTemplateInstantiate.cpp", 831); | ||||
832 | } | ||||
833 | |||||
834 | Diags.Report(Active->PointOfInstantiation, | ||||
835 | diag::note_deduced_template_arg_substitution_here) | ||||
836 | << IsVar << IsTemplate << cast<NamedDecl>(Active->Entity) | ||||
837 | << getTemplateArgumentBindingsText(Params, Active->TemplateArgs, | ||||
838 | Active->NumTemplateArgs) | ||||
839 | << Active->InstantiationRange; | ||||
840 | } | ||||
841 | break; | ||||
842 | } | ||||
843 | |||||
844 | case CodeSynthesisContext::DefaultFunctionArgumentInstantiation: { | ||||
845 | ParmVarDecl *Param = cast<ParmVarDecl>(Active->Entity); | ||||
846 | FunctionDecl *FD = cast<FunctionDecl>(Param->getDeclContext()); | ||||
847 | |||||
848 | SmallString<128> TemplateArgsStr; | ||||
849 | llvm::raw_svector_ostream OS(TemplateArgsStr); | ||||
850 | FD->printName(OS, getPrintingPolicy()); | ||||
851 | printTemplateArgumentList(OS, Active->template_arguments(), | ||||
852 | getPrintingPolicy()); | ||||
853 | Diags.Report(Active->PointOfInstantiation, | ||||
854 | diag::note_default_function_arg_instantiation_here) | ||||
855 | << OS.str() | ||||
856 | << Active->InstantiationRange; | ||||
857 | break; | ||||
858 | } | ||||
859 | |||||
860 | case CodeSynthesisContext::PriorTemplateArgumentSubstitution: { | ||||
861 | NamedDecl *Parm = cast<NamedDecl>(Active->Entity); | ||||
862 | std::string Name; | ||||
863 | if (!Parm->getName().empty()) | ||||
864 | Name = std::string(" '") + Parm->getName().str() + "'"; | ||||
865 | |||||
866 | TemplateParameterList *TemplateParams = nullptr; | ||||
867 | if (TemplateDecl *Template = dyn_cast<TemplateDecl>(Active->Template)) | ||||
868 | TemplateParams = Template->getTemplateParameters(); | ||||
869 | else | ||||
870 | TemplateParams = | ||||
871 | cast<ClassTemplatePartialSpecializationDecl>(Active->Template) | ||||
872 | ->getTemplateParameters(); | ||||
873 | Diags.Report(Active->PointOfInstantiation, | ||||
874 | diag::note_prior_template_arg_substitution) | ||||
875 | << isa<TemplateTemplateParmDecl>(Parm) | ||||
876 | << Name | ||||
877 | << getTemplateArgumentBindingsText(TemplateParams, | ||||
878 | Active->TemplateArgs, | ||||
879 | Active->NumTemplateArgs) | ||||
880 | << Active->InstantiationRange; | ||||
881 | break; | ||||
882 | } | ||||
883 | |||||
884 | case CodeSynthesisContext::DefaultTemplateArgumentChecking: { | ||||
885 | TemplateParameterList *TemplateParams = nullptr; | ||||
886 | if (TemplateDecl *Template = dyn_cast<TemplateDecl>(Active->Template)) | ||||
887 | TemplateParams = Template->getTemplateParameters(); | ||||
888 | else | ||||
889 | TemplateParams = | ||||
890 | cast<ClassTemplatePartialSpecializationDecl>(Active->Template) | ||||
891 | ->getTemplateParameters(); | ||||
892 | |||||
893 | Diags.Report(Active->PointOfInstantiation, | ||||
894 | diag::note_template_default_arg_checking) | ||||
895 | << getTemplateArgumentBindingsText(TemplateParams, | ||||
896 | Active->TemplateArgs, | ||||
897 | Active->NumTemplateArgs) | ||||
898 | << Active->InstantiationRange; | ||||
899 | break; | ||||
900 | } | ||||
901 | |||||
902 | case CodeSynthesisContext::ExceptionSpecEvaluation: | ||||
903 | Diags.Report(Active->PointOfInstantiation, | ||||
904 | diag::note_evaluating_exception_spec_here) | ||||
905 | << cast<FunctionDecl>(Active->Entity); | ||||
906 | break; | ||||
907 | |||||
908 | case CodeSynthesisContext::ExceptionSpecInstantiation: | ||||
909 | Diags.Report(Active->PointOfInstantiation, | ||||
910 | diag::note_template_exception_spec_instantiation_here) | ||||
911 | << cast<FunctionDecl>(Active->Entity) | ||||
912 | << Active->InstantiationRange; | ||||
913 | break; | ||||
914 | |||||
915 | case CodeSynthesisContext::RequirementInstantiation: | ||||
916 | Diags.Report(Active->PointOfInstantiation, | ||||
917 | diag::note_template_requirement_instantiation_here) | ||||
918 | << Active->InstantiationRange; | ||||
919 | break; | ||||
920 | case CodeSynthesisContext::RequirementParameterInstantiation: | ||||
921 | Diags.Report(Active->PointOfInstantiation, | ||||
922 | diag::note_template_requirement_params_instantiation_here) | ||||
923 | << Active->InstantiationRange; | ||||
924 | break; | ||||
925 | |||||
926 | case CodeSynthesisContext::NestedRequirementConstraintsCheck: | ||||
927 | Diags.Report(Active->PointOfInstantiation, | ||||
928 | diag::note_nested_requirement_here) | ||||
929 | << Active->InstantiationRange; | ||||
930 | break; | ||||
931 | |||||
932 | case CodeSynthesisContext::DeclaringSpecialMember: | ||||
933 | Diags.Report(Active->PointOfInstantiation, | ||||
934 | diag::note_in_declaration_of_implicit_special_member) | ||||
935 | << cast<CXXRecordDecl>(Active->Entity) << Active->SpecialMember; | ||||
936 | break; | ||||
937 | |||||
938 | case CodeSynthesisContext::DeclaringImplicitEqualityComparison: | ||||
939 | Diags.Report(Active->Entity->getLocation(), | ||||
940 | diag::note_in_declaration_of_implicit_equality_comparison); | ||||
941 | break; | ||||
942 | |||||
943 | case CodeSynthesisContext::DefiningSynthesizedFunction: { | ||||
944 | // FIXME: For synthesized functions that are not defaulted, | ||||
945 | // produce a note. | ||||
946 | auto *FD = dyn_cast<FunctionDecl>(Active->Entity); | ||||
947 | DefaultedFunctionKind DFK = | ||||
948 | FD ? getDefaultedFunctionKind(FD) : DefaultedFunctionKind(); | ||||
949 | if (DFK.isSpecialMember()) { | ||||
950 | auto *MD = cast<CXXMethodDecl>(FD); | ||||
951 | Diags.Report(Active->PointOfInstantiation, | ||||
952 | diag::note_member_synthesized_at) | ||||
953 | << MD->isExplicitlyDefaulted() << DFK.asSpecialMember() | ||||
954 | << Context.getTagDeclType(MD->getParent()); | ||||
955 | } else if (DFK.isComparison()) { | ||||
956 | Diags.Report(Active->PointOfInstantiation, | ||||
957 | diag::note_comparison_synthesized_at) | ||||
958 | << (int)DFK.asComparison() | ||||
959 | << Context.getTagDeclType( | ||||
960 | cast<CXXRecordDecl>(FD->getLexicalDeclContext())); | ||||
961 | } | ||||
962 | break; | ||||
963 | } | ||||
964 | |||||
965 | case CodeSynthesisContext::RewritingOperatorAsSpaceship: | ||||
966 | Diags.Report(Active->Entity->getLocation(), | ||||
967 | diag::note_rewriting_operator_as_spaceship); | ||||
968 | break; | ||||
969 | |||||
970 | case CodeSynthesisContext::InitializingStructuredBinding: | ||||
971 | Diags.Report(Active->PointOfInstantiation, | ||||
972 | diag::note_in_binding_decl_init) | ||||
973 | << cast<BindingDecl>(Active->Entity); | ||||
974 | break; | ||||
975 | |||||
976 | case CodeSynthesisContext::MarkingClassDllexported: | ||||
977 | Diags.Report(Active->PointOfInstantiation, | ||||
978 | diag::note_due_to_dllexported_class) | ||||
979 | << cast<CXXRecordDecl>(Active->Entity) << !getLangOpts().CPlusPlus11; | ||||
980 | break; | ||||
981 | |||||
982 | case CodeSynthesisContext::BuildingBuiltinDumpStructCall: | ||||
983 | Diags.Report(Active->PointOfInstantiation, | ||||
984 | diag::note_building_builtin_dump_struct_call) | ||||
985 | << convertCallArgsToString( | ||||
986 | *this, llvm::ArrayRef(Active->CallArgs, Active->NumCallArgs)); | ||||
987 | break; | ||||
988 | |||||
989 | case CodeSynthesisContext::Memoization: | ||||
990 | break; | ||||
991 | |||||
992 | case CodeSynthesisContext::LambdaExpressionSubstitution: | ||||
993 | Diags.Report(Active->PointOfInstantiation, | ||||
994 | diag::note_lambda_substitution_here); | ||||
995 | break; | ||||
996 | case CodeSynthesisContext::ConstraintsCheck: { | ||||
997 | unsigned DiagID = 0; | ||||
998 | if (!Active->Entity) { | ||||
999 | Diags.Report(Active->PointOfInstantiation, | ||||
1000 | diag::note_nested_requirement_here) | ||||
1001 | << Active->InstantiationRange; | ||||
1002 | break; | ||||
1003 | } | ||||
1004 | if (isa<ConceptDecl>(Active->Entity)) | ||||
1005 | DiagID = diag::note_concept_specialization_here; | ||||
1006 | else if (isa<TemplateDecl>(Active->Entity)) | ||||
1007 | DiagID = diag::note_checking_constraints_for_template_id_here; | ||||
1008 | else if (isa<VarTemplatePartialSpecializationDecl>(Active->Entity)) | ||||
1009 | DiagID = diag::note_checking_constraints_for_var_spec_id_here; | ||||
1010 | else if (isa<ClassTemplatePartialSpecializationDecl>(Active->Entity)) | ||||
1011 | DiagID = diag::note_checking_constraints_for_class_spec_id_here; | ||||
1012 | else { | ||||
1013 | assert(isa<FunctionDecl>(Active->Entity))(static_cast <bool> (isa<FunctionDecl>(Active-> Entity)) ? void (0) : __assert_fail ("isa<FunctionDecl>(Active->Entity)" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1013, __extension__ __PRETTY_FUNCTION__)); | ||||
1014 | DiagID = diag::note_checking_constraints_for_function_here; | ||||
1015 | } | ||||
1016 | SmallString<128> TemplateArgsStr; | ||||
1017 | llvm::raw_svector_ostream OS(TemplateArgsStr); | ||||
1018 | cast<NamedDecl>(Active->Entity)->printName(OS, getPrintingPolicy()); | ||||
1019 | if (!isa<FunctionDecl>(Active->Entity)) { | ||||
1020 | printTemplateArgumentList(OS, Active->template_arguments(), | ||||
1021 | getPrintingPolicy()); | ||||
1022 | } | ||||
1023 | Diags.Report(Active->PointOfInstantiation, DiagID) << OS.str() | ||||
1024 | << Active->InstantiationRange; | ||||
1025 | break; | ||||
1026 | } | ||||
1027 | case CodeSynthesisContext::ConstraintSubstitution: | ||||
1028 | Diags.Report(Active->PointOfInstantiation, | ||||
1029 | diag::note_constraint_substitution_here) | ||||
1030 | << Active->InstantiationRange; | ||||
1031 | break; | ||||
1032 | case CodeSynthesisContext::ConstraintNormalization: | ||||
1033 | Diags.Report(Active->PointOfInstantiation, | ||||
1034 | diag::note_constraint_normalization_here) | ||||
1035 | << cast<NamedDecl>(Active->Entity)->getName() | ||||
1036 | << Active->InstantiationRange; | ||||
1037 | break; | ||||
1038 | case CodeSynthesisContext::ParameterMappingSubstitution: | ||||
1039 | Diags.Report(Active->PointOfInstantiation, | ||||
1040 | diag::note_parameter_mapping_substitution_here) | ||||
1041 | << Active->InstantiationRange; | ||||
1042 | break; | ||||
1043 | } | ||||
1044 | } | ||||
1045 | } | ||||
1046 | |||||
1047 | std::optional<TemplateDeductionInfo *> Sema::isSFINAEContext() const { | ||||
1048 | if (InNonInstantiationSFINAEContext) | ||||
1049 | return std::optional<TemplateDeductionInfo *>(nullptr); | ||||
1050 | |||||
1051 | bool SawLambdaSubstitution = false; | ||||
1052 | for (SmallVectorImpl<CodeSynthesisContext>::const_reverse_iterator | ||||
1053 | Active = CodeSynthesisContexts.rbegin(), | ||||
1054 | ActiveEnd = CodeSynthesisContexts.rend(); | ||||
1055 | Active != ActiveEnd; | ||||
1056 | ++Active) | ||||
1057 | { | ||||
1058 | switch (Active->Kind) { | ||||
1059 | case CodeSynthesisContext::TemplateInstantiation: | ||||
1060 | // An instantiation of an alias template may or may not be a SFINAE | ||||
1061 | // context, depending on what else is on the stack. | ||||
1062 | if (isa<TypeAliasTemplateDecl>(Active->Entity)) | ||||
1063 | break; | ||||
1064 | [[fallthrough]]; | ||||
1065 | case CodeSynthesisContext::DefaultFunctionArgumentInstantiation: | ||||
1066 | case CodeSynthesisContext::ExceptionSpecInstantiation: | ||||
1067 | case CodeSynthesisContext::ConstraintsCheck: | ||||
1068 | case CodeSynthesisContext::ParameterMappingSubstitution: | ||||
1069 | case CodeSynthesisContext::ConstraintNormalization: | ||||
1070 | case CodeSynthesisContext::NestedRequirementConstraintsCheck: | ||||
1071 | // This is a template instantiation, so there is no SFINAE. | ||||
1072 | return std::nullopt; | ||||
1073 | case CodeSynthesisContext::LambdaExpressionSubstitution: | ||||
1074 | // [temp.deduct]p9 | ||||
1075 | // A lambda-expression appearing in a function type or a template | ||||
1076 | // parameter is not considered part of the immediate context for the | ||||
1077 | // purposes of template argument deduction. | ||||
1078 | |||||
1079 | // We need to check parents. | ||||
1080 | SawLambdaSubstitution = true; | ||||
1081 | break; | ||||
1082 | |||||
1083 | case CodeSynthesisContext::DefaultTemplateArgumentInstantiation: | ||||
1084 | case CodeSynthesisContext::PriorTemplateArgumentSubstitution: | ||||
1085 | case CodeSynthesisContext::DefaultTemplateArgumentChecking: | ||||
1086 | case CodeSynthesisContext::RewritingOperatorAsSpaceship: | ||||
1087 | // A default template argument instantiation and substitution into | ||||
1088 | // template parameters with arguments for prior parameters may or may | ||||
1089 | // not be a SFINAE context; look further up the stack. | ||||
1090 | break; | ||||
1091 | |||||
1092 | case CodeSynthesisContext::ExplicitTemplateArgumentSubstitution: | ||||
1093 | case CodeSynthesisContext::DeducedTemplateArgumentSubstitution: | ||||
1094 | // We're either substituting explicitly-specified template arguments, | ||||
1095 | // deduced template arguments. SFINAE applies unless we are in a lambda | ||||
1096 | // expression, see [temp.deduct]p9. | ||||
1097 | if (SawLambdaSubstitution) | ||||
1098 | return std::nullopt; | ||||
1099 | [[fallthrough]]; | ||||
1100 | case CodeSynthesisContext::ConstraintSubstitution: | ||||
1101 | case CodeSynthesisContext::RequirementInstantiation: | ||||
1102 | case CodeSynthesisContext::RequirementParameterInstantiation: | ||||
1103 | // SFINAE always applies in a constraint expression or a requirement | ||||
1104 | // in a requires expression. | ||||
1105 | assert(Active->DeductionInfo && "Missing deduction info pointer")(static_cast <bool> (Active->DeductionInfo && "Missing deduction info pointer") ? void (0) : __assert_fail ("Active->DeductionInfo && \"Missing deduction info pointer\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1105, __extension__ __PRETTY_FUNCTION__)); | ||||
1106 | return Active->DeductionInfo; | ||||
1107 | |||||
1108 | case CodeSynthesisContext::DeclaringSpecialMember: | ||||
1109 | case CodeSynthesisContext::DeclaringImplicitEqualityComparison: | ||||
1110 | case CodeSynthesisContext::DefiningSynthesizedFunction: | ||||
1111 | case CodeSynthesisContext::InitializingStructuredBinding: | ||||
1112 | case CodeSynthesisContext::MarkingClassDllexported: | ||||
1113 | case CodeSynthesisContext::BuildingBuiltinDumpStructCall: | ||||
1114 | // This happens in a context unrelated to template instantiation, so | ||||
1115 | // there is no SFINAE. | ||||
1116 | return std::nullopt; | ||||
1117 | |||||
1118 | case CodeSynthesisContext::ExceptionSpecEvaluation: | ||||
1119 | // FIXME: This should not be treated as a SFINAE context, because | ||||
1120 | // we will cache an incorrect exception specification. However, clang | ||||
1121 | // bootstrap relies this! See PR31692. | ||||
1122 | break; | ||||
1123 | |||||
1124 | case CodeSynthesisContext::Memoization: | ||||
1125 | break; | ||||
1126 | } | ||||
1127 | |||||
1128 | // The inner context was transparent for SFINAE. If it occurred within a | ||||
1129 | // non-instantiation SFINAE context, then SFINAE applies. | ||||
1130 | if (Active->SavedInNonInstantiationSFINAEContext) | ||||
1131 | return std::optional<TemplateDeductionInfo *>(nullptr); | ||||
1132 | } | ||||
1133 | |||||
1134 | return std::nullopt; | ||||
1135 | } | ||||
1136 | |||||
1137 | //===----------------------------------------------------------------------===/ | ||||
1138 | // Template Instantiation for Types | ||||
1139 | //===----------------------------------------------------------------------===/ | ||||
1140 | namespace { | ||||
1141 | class TemplateInstantiator : public TreeTransform<TemplateInstantiator> { | ||||
1142 | const MultiLevelTemplateArgumentList &TemplateArgs; | ||||
1143 | SourceLocation Loc; | ||||
1144 | DeclarationName Entity; | ||||
1145 | bool EvaluateConstraints = true; | ||||
1146 | |||||
1147 | public: | ||||
1148 | typedef TreeTransform<TemplateInstantiator> inherited; | ||||
1149 | |||||
1150 | TemplateInstantiator(Sema &SemaRef, | ||||
1151 | const MultiLevelTemplateArgumentList &TemplateArgs, | ||||
1152 | SourceLocation Loc, DeclarationName Entity) | ||||
1153 | : inherited(SemaRef), TemplateArgs(TemplateArgs), Loc(Loc), | ||||
1154 | Entity(Entity) {} | ||||
1155 | |||||
1156 | void setEvaluateConstraints(bool B) { | ||||
1157 | EvaluateConstraints = B; | ||||
1158 | } | ||||
1159 | bool getEvaluateConstraints() { | ||||
1160 | return EvaluateConstraints; | ||||
1161 | } | ||||
1162 | |||||
1163 | /// Determine whether the given type \p T has already been | ||||
1164 | /// transformed. | ||||
1165 | /// | ||||
1166 | /// For the purposes of template instantiation, a type has already been | ||||
1167 | /// transformed if it is NULL or if it is not dependent. | ||||
1168 | bool AlreadyTransformed(QualType T); | ||||
1169 | |||||
1170 | /// Returns the location of the entity being instantiated, if known. | ||||
1171 | SourceLocation getBaseLocation() { return Loc; } | ||||
1172 | |||||
1173 | /// Returns the name of the entity being instantiated, if any. | ||||
1174 | DeclarationName getBaseEntity() { return Entity; } | ||||
1175 | |||||
1176 | /// Sets the "base" location and entity when that | ||||
1177 | /// information is known based on another transformation. | ||||
1178 | void setBase(SourceLocation Loc, DeclarationName Entity) { | ||||
1179 | this->Loc = Loc; | ||||
1180 | this->Entity = Entity; | ||||
1181 | } | ||||
1182 | |||||
1183 | unsigned TransformTemplateDepth(unsigned Depth) { | ||||
1184 | return TemplateArgs.getNewDepth(Depth); | ||||
1185 | } | ||||
1186 | |||||
1187 | std::optional<unsigned> getPackIndex(TemplateArgument Pack) { | ||||
1188 | int Index = getSema().ArgumentPackSubstitutionIndex; | ||||
1189 | if (Index == -1) | ||||
1190 | return std::nullopt; | ||||
1191 | return Pack.pack_size() - 1 - Index; | ||||
1192 | } | ||||
1193 | |||||
1194 | bool TryExpandParameterPacks(SourceLocation EllipsisLoc, | ||||
1195 | SourceRange PatternRange, | ||||
1196 | ArrayRef<UnexpandedParameterPack> Unexpanded, | ||||
1197 | bool &ShouldExpand, bool &RetainExpansion, | ||||
1198 | std::optional<unsigned> &NumExpansions) { | ||||
1199 | return getSema().CheckParameterPacksForExpansion(EllipsisLoc, | ||||
1200 | PatternRange, Unexpanded, | ||||
1201 | TemplateArgs, | ||||
1202 | ShouldExpand, | ||||
1203 | RetainExpansion, | ||||
1204 | NumExpansions); | ||||
1205 | } | ||||
1206 | |||||
1207 | void ExpandingFunctionParameterPack(ParmVarDecl *Pack) { | ||||
1208 | SemaRef.CurrentInstantiationScope->MakeInstantiatedLocalArgPack(Pack); | ||||
1209 | } | ||||
1210 | |||||
1211 | TemplateArgument ForgetPartiallySubstitutedPack() { | ||||
1212 | TemplateArgument Result; | ||||
1213 | if (NamedDecl *PartialPack | ||||
1214 | = SemaRef.CurrentInstantiationScope->getPartiallySubstitutedPack()){ | ||||
1215 | MultiLevelTemplateArgumentList &TemplateArgs | ||||
1216 | = const_cast<MultiLevelTemplateArgumentList &>(this->TemplateArgs); | ||||
1217 | unsigned Depth, Index; | ||||
1218 | std::tie(Depth, Index) = getDepthAndIndex(PartialPack); | ||||
1219 | if (TemplateArgs.hasTemplateArgument(Depth, Index)) { | ||||
1220 | Result = TemplateArgs(Depth, Index); | ||||
1221 | TemplateArgs.setArgument(Depth, Index, TemplateArgument()); | ||||
1222 | } | ||||
1223 | } | ||||
1224 | |||||
1225 | return Result; | ||||
1226 | } | ||||
1227 | |||||
1228 | void RememberPartiallySubstitutedPack(TemplateArgument Arg) { | ||||
1229 | if (Arg.isNull()) | ||||
1230 | return; | ||||
1231 | |||||
1232 | if (NamedDecl *PartialPack | ||||
1233 | = SemaRef.CurrentInstantiationScope->getPartiallySubstitutedPack()){ | ||||
1234 | MultiLevelTemplateArgumentList &TemplateArgs | ||||
1235 | = const_cast<MultiLevelTemplateArgumentList &>(this->TemplateArgs); | ||||
1236 | unsigned Depth, Index; | ||||
1237 | std::tie(Depth, Index) = getDepthAndIndex(PartialPack); | ||||
1238 | TemplateArgs.setArgument(Depth, Index, Arg); | ||||
1239 | } | ||||
1240 | } | ||||
1241 | |||||
1242 | /// Transform the given declaration by instantiating a reference to | ||||
1243 | /// this declaration. | ||||
1244 | Decl *TransformDecl(SourceLocation Loc, Decl *D); | ||||
1245 | |||||
1246 | void transformAttrs(Decl *Old, Decl *New) { | ||||
1247 | SemaRef.InstantiateAttrs(TemplateArgs, Old, New); | ||||
1248 | } | ||||
1249 | |||||
1250 | void transformedLocalDecl(Decl *Old, ArrayRef<Decl *> NewDecls) { | ||||
1251 | if (Old->isParameterPack()) { | ||||
1252 | SemaRef.CurrentInstantiationScope->MakeInstantiatedLocalArgPack(Old); | ||||
1253 | for (auto *New : NewDecls) | ||||
1254 | SemaRef.CurrentInstantiationScope->InstantiatedLocalPackArg( | ||||
1255 | Old, cast<VarDecl>(New)); | ||||
1256 | return; | ||||
1257 | } | ||||
1258 | |||||
1259 | assert(NewDecls.size() == 1 &&(static_cast <bool> (NewDecls.size() == 1 && "should only have multiple expansions for a pack" ) ? void (0) : __assert_fail ("NewDecls.size() == 1 && \"should only have multiple expansions for a pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1260, __extension__ __PRETTY_FUNCTION__)) | ||||
1260 | "should only have multiple expansions for a pack")(static_cast <bool> (NewDecls.size() == 1 && "should only have multiple expansions for a pack" ) ? void (0) : __assert_fail ("NewDecls.size() == 1 && \"should only have multiple expansions for a pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1260, __extension__ __PRETTY_FUNCTION__)); | ||||
1261 | Decl *New = NewDecls.front(); | ||||
1262 | |||||
1263 | // If we've instantiated the call operator of a lambda or the call | ||||
1264 | // operator template of a generic lambda, update the "instantiation of" | ||||
1265 | // information. | ||||
1266 | auto *NewMD = dyn_cast<CXXMethodDecl>(New); | ||||
1267 | if (NewMD
| ||||
1268 | auto *OldMD = dyn_cast<CXXMethodDecl>(Old); | ||||
1269 | if (auto *NewTD = NewMD->getDescribedFunctionTemplate()) | ||||
1270 | NewTD->setInstantiatedFromMemberTemplate( | ||||
1271 | OldMD->getDescribedFunctionTemplate()); | ||||
| |||||
1272 | else | ||||
1273 | NewMD->setInstantiationOfMemberFunction(OldMD, | ||||
1274 | TSK_ImplicitInstantiation); | ||||
1275 | } | ||||
1276 | |||||
1277 | SemaRef.CurrentInstantiationScope->InstantiatedLocal(Old, New); | ||||
1278 | |||||
1279 | // We recreated a local declaration, but not by instantiating it. There | ||||
1280 | // may be pending dependent diagnostics to produce. | ||||
1281 | if (auto *DC = dyn_cast<DeclContext>(Old); | ||||
1282 | DC && DC->isDependentContext() && DC->isFunctionOrMethod()) | ||||
1283 | SemaRef.PerformDependentDiagnostics(DC, TemplateArgs); | ||||
1284 | } | ||||
1285 | |||||
1286 | /// Transform the definition of the given declaration by | ||||
1287 | /// instantiating it. | ||||
1288 | Decl *TransformDefinition(SourceLocation Loc, Decl *D); | ||||
1289 | |||||
1290 | /// Transform the first qualifier within a scope by instantiating the | ||||
1291 | /// declaration. | ||||
1292 | NamedDecl *TransformFirstQualifierInScope(NamedDecl *D, SourceLocation Loc); | ||||
1293 | |||||
1294 | /// Rebuild the exception declaration and register the declaration | ||||
1295 | /// as an instantiated local. | ||||
1296 | VarDecl *RebuildExceptionDecl(VarDecl *ExceptionDecl, | ||||
1297 | TypeSourceInfo *Declarator, | ||||
1298 | SourceLocation StartLoc, | ||||
1299 | SourceLocation NameLoc, | ||||
1300 | IdentifierInfo *Name); | ||||
1301 | |||||
1302 | /// Rebuild the Objective-C exception declaration and register the | ||||
1303 | /// declaration as an instantiated local. | ||||
1304 | VarDecl *RebuildObjCExceptionDecl(VarDecl *ExceptionDecl, | ||||
1305 | TypeSourceInfo *TSInfo, QualType T); | ||||
1306 | |||||
1307 | /// Check for tag mismatches when instantiating an | ||||
1308 | /// elaborated type. | ||||
1309 | QualType RebuildElaboratedType(SourceLocation KeywordLoc, | ||||
1310 | ElaboratedTypeKeyword Keyword, | ||||
1311 | NestedNameSpecifierLoc QualifierLoc, | ||||
1312 | QualType T); | ||||
1313 | |||||
1314 | TemplateName | ||||
1315 | TransformTemplateName(CXXScopeSpec &SS, TemplateName Name, | ||||
1316 | SourceLocation NameLoc, | ||||
1317 | QualType ObjectType = QualType(), | ||||
1318 | NamedDecl *FirstQualifierInScope = nullptr, | ||||
1319 | bool AllowInjectedClassName = false); | ||||
1320 | |||||
1321 | const LoopHintAttr *TransformLoopHintAttr(const LoopHintAttr *LH); | ||||
1322 | const NoInlineAttr *TransformStmtNoInlineAttr(const Stmt *OrigS, | ||||
1323 | const Stmt *InstS, | ||||
1324 | const NoInlineAttr *A); | ||||
1325 | const AlwaysInlineAttr * | ||||
1326 | TransformStmtAlwaysInlineAttr(const Stmt *OrigS, const Stmt *InstS, | ||||
1327 | const AlwaysInlineAttr *A); | ||||
1328 | |||||
1329 | ExprResult TransformPredefinedExpr(PredefinedExpr *E); | ||||
1330 | ExprResult TransformDeclRefExpr(DeclRefExpr *E); | ||||
1331 | ExprResult TransformCXXDefaultArgExpr(CXXDefaultArgExpr *E); | ||||
1332 | |||||
1333 | ExprResult TransformTemplateParmRefExpr(DeclRefExpr *E, | ||||
1334 | NonTypeTemplateParmDecl *D); | ||||
1335 | ExprResult TransformSubstNonTypeTemplateParmPackExpr( | ||||
1336 | SubstNonTypeTemplateParmPackExpr *E); | ||||
1337 | ExprResult TransformSubstNonTypeTemplateParmExpr( | ||||
1338 | SubstNonTypeTemplateParmExpr *E); | ||||
1339 | |||||
1340 | /// Rebuild a DeclRefExpr for a VarDecl reference. | ||||
1341 | ExprResult RebuildVarDeclRefExpr(VarDecl *PD, SourceLocation Loc); | ||||
1342 | |||||
1343 | /// Transform a reference to a function or init-capture parameter pack. | ||||
1344 | ExprResult TransformFunctionParmPackRefExpr(DeclRefExpr *E, VarDecl *PD); | ||||
1345 | |||||
1346 | /// Transform a FunctionParmPackExpr which was built when we couldn't | ||||
1347 | /// expand a function parameter pack reference which refers to an expanded | ||||
1348 | /// pack. | ||||
1349 | ExprResult TransformFunctionParmPackExpr(FunctionParmPackExpr *E); | ||||
1350 | |||||
1351 | QualType TransformFunctionProtoType(TypeLocBuilder &TLB, | ||||
1352 | FunctionProtoTypeLoc TL) { | ||||
1353 | // Call the base version; it will forward to our overridden version below. | ||||
1354 | return inherited::TransformFunctionProtoType(TLB, TL); | ||||
1355 | } | ||||
1356 | |||||
1357 | template<typename Fn> | ||||
1358 | QualType TransformFunctionProtoType(TypeLocBuilder &TLB, | ||||
1359 | FunctionProtoTypeLoc TL, | ||||
1360 | CXXRecordDecl *ThisContext, | ||||
1361 | Qualifiers ThisTypeQuals, | ||||
1362 | Fn TransformExceptionSpec); | ||||
1363 | |||||
1364 | ParmVarDecl * | ||||
1365 | TransformFunctionTypeParam(ParmVarDecl *OldParm, int indexAdjustment, | ||||
1366 | std::optional<unsigned> NumExpansions, | ||||
1367 | bool ExpectParameterPack); | ||||
1368 | |||||
1369 | using inherited::TransformTemplateTypeParmType; | ||||
1370 | /// Transforms a template type parameter type by performing | ||||
1371 | /// substitution of the corresponding template type argument. | ||||
1372 | QualType TransformTemplateTypeParmType(TypeLocBuilder &TLB, | ||||
1373 | TemplateTypeParmTypeLoc TL, | ||||
1374 | bool SuppressObjCLifetime); | ||||
1375 | |||||
1376 | QualType BuildSubstTemplateTypeParmType( | ||||
1377 | TypeLocBuilder &TLB, bool SuppressObjCLifetime, bool Final, | ||||
1378 | Decl *AssociatedDecl, unsigned Index, std::optional<unsigned> PackIndex, | ||||
1379 | TemplateArgument Arg, SourceLocation NameLoc); | ||||
1380 | |||||
1381 | /// Transforms an already-substituted template type parameter pack | ||||
1382 | /// into either itself (if we aren't substituting into its pack expansion) | ||||
1383 | /// or the appropriate substituted argument. | ||||
1384 | using inherited::TransformSubstTemplateTypeParmPackType; | ||||
1385 | QualType | ||||
1386 | TransformSubstTemplateTypeParmPackType(TypeLocBuilder &TLB, | ||||
1387 | SubstTemplateTypeParmPackTypeLoc TL, | ||||
1388 | bool SuppressObjCLifetime); | ||||
1389 | |||||
1390 | ExprResult TransformLambdaExpr(LambdaExpr *E) { | ||||
1391 | LocalInstantiationScope Scope(SemaRef, /*CombineWithOuterScope=*/true); | ||||
1392 | Sema::ConstraintEvalRAII<TemplateInstantiator> RAII(*this); | ||||
1393 | |||||
1394 | Sema::CodeSynthesisContext C; | ||||
1395 | C.Kind = clang::Sema::CodeSynthesisContext::LambdaExpressionSubstitution; | ||||
1396 | C.PointOfInstantiation = E->getBeginLoc(); | ||||
1397 | SemaRef.pushCodeSynthesisContext(C); | ||||
1398 | auto PopCtx = | ||||
1399 | llvm::make_scope_exit([this] { SemaRef.popCodeSynthesisContext(); }); | ||||
1400 | |||||
1401 | ExprResult Result = inherited::TransformLambdaExpr(E); | ||||
| |||||
1402 | if (Result.isInvalid()) | ||||
1403 | return Result; | ||||
1404 | |||||
1405 | CXXMethodDecl *MD = Result.getAs<LambdaExpr>()->getCallOperator(); | ||||
1406 | for (ParmVarDecl *PVD : MD->parameters()) { | ||||
1407 | assert(PVD && "null in a parameter list")(static_cast <bool> (PVD && "null in a parameter list" ) ? void (0) : __assert_fail ("PVD && \"null in a parameter list\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1407, __extension__ __PRETTY_FUNCTION__)); | ||||
1408 | if (!PVD->hasDefaultArg()) | ||||
1409 | continue; | ||||
1410 | Expr *UninstExpr = PVD->getUninstantiatedDefaultArg(); | ||||
1411 | // FIXME: Obtain the source location for the '=' token. | ||||
1412 | SourceLocation EqualLoc = UninstExpr->getBeginLoc(); | ||||
1413 | if (SemaRef.SubstDefaultArgument(EqualLoc, PVD, TemplateArgs)) { | ||||
1414 | // If substitution fails, the default argument is set to a | ||||
1415 | // RecoveryExpr that wraps the uninstantiated default argument so | ||||
1416 | // that downstream diagnostics are omitted. | ||||
1417 | ExprResult ErrorResult = SemaRef.CreateRecoveryExpr( | ||||
1418 | UninstExpr->getBeginLoc(), UninstExpr->getEndLoc(), | ||||
1419 | { UninstExpr }, UninstExpr->getType()); | ||||
1420 | if (ErrorResult.isUsable()) | ||||
1421 | PVD->setDefaultArg(ErrorResult.get()); | ||||
1422 | } | ||||
1423 | } | ||||
1424 | |||||
1425 | return Result; | ||||
1426 | } | ||||
1427 | |||||
1428 | ExprResult TransformRequiresExpr(RequiresExpr *E) { | ||||
1429 | LocalInstantiationScope Scope(SemaRef, /*CombineWithOuterScope=*/true); | ||||
1430 | ExprResult TransReq = inherited::TransformRequiresExpr(E); | ||||
1431 | if (TransReq.isInvalid()) | ||||
1432 | return TransReq; | ||||
1433 | assert(TransReq.get() != E &&(static_cast <bool> (TransReq.get() != E && "Do not change value of isSatisfied for the existing expression. " "Create a new expression instead.") ? void (0) : __assert_fail ("TransReq.get() != E && \"Do not change value of isSatisfied for the existing expression. \" \"Create a new expression instead.\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1435, __extension__ __PRETTY_FUNCTION__)) | ||||
1434 | "Do not change value of isSatisfied for the existing expression. "(static_cast <bool> (TransReq.get() != E && "Do not change value of isSatisfied for the existing expression. " "Create a new expression instead.") ? void (0) : __assert_fail ("TransReq.get() != E && \"Do not change value of isSatisfied for the existing expression. \" \"Create a new expression instead.\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1435, __extension__ __PRETTY_FUNCTION__)) | ||||
1435 | "Create a new expression instead.")(static_cast <bool> (TransReq.get() != E && "Do not change value of isSatisfied for the existing expression. " "Create a new expression instead.") ? void (0) : __assert_fail ("TransReq.get() != E && \"Do not change value of isSatisfied for the existing expression. \" \"Create a new expression instead.\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1435, __extension__ __PRETTY_FUNCTION__)); | ||||
1436 | if (E->getBody()->isDependentContext()) { | ||||
1437 | Sema::SFINAETrap Trap(SemaRef); | ||||
1438 | // We recreate the RequiresExpr body, but not by instantiating it. | ||||
1439 | // Produce pending diagnostics for dependent access check. | ||||
1440 | SemaRef.PerformDependentDiagnostics(E->getBody(), TemplateArgs); | ||||
1441 | // FIXME: Store SFINAE diagnostics in RequiresExpr for diagnosis. | ||||
1442 | if (Trap.hasErrorOccurred()) | ||||
1443 | TransReq.getAs<RequiresExpr>()->setSatisfied(false); | ||||
1444 | } | ||||
1445 | return TransReq; | ||||
1446 | } | ||||
1447 | |||||
1448 | bool TransformRequiresExprRequirements( | ||||
1449 | ArrayRef<concepts::Requirement *> Reqs, | ||||
1450 | SmallVectorImpl<concepts::Requirement *> &Transformed) { | ||||
1451 | bool SatisfactionDetermined = false; | ||||
1452 | for (concepts::Requirement *Req : Reqs) { | ||||
1453 | concepts::Requirement *TransReq = nullptr; | ||||
1454 | if (!SatisfactionDetermined) { | ||||
1455 | if (auto *TypeReq = dyn_cast<concepts::TypeRequirement>(Req)) | ||||
1456 | TransReq = TransformTypeRequirement(TypeReq); | ||||
1457 | else if (auto *ExprReq = dyn_cast<concepts::ExprRequirement>(Req)) | ||||
1458 | TransReq = TransformExprRequirement(ExprReq); | ||||
1459 | else | ||||
1460 | TransReq = TransformNestedRequirement( | ||||
1461 | cast<concepts::NestedRequirement>(Req)); | ||||
1462 | if (!TransReq) | ||||
1463 | return true; | ||||
1464 | if (!TransReq->isDependent() && !TransReq->isSatisfied()) | ||||
1465 | // [expr.prim.req]p6 | ||||
1466 | // [...] The substitution and semantic constraint checking | ||||
1467 | // proceeds in lexical order and stops when a condition that | ||||
1468 | // determines the result of the requires-expression is | ||||
1469 | // encountered. [..] | ||||
1470 | SatisfactionDetermined = true; | ||||
1471 | } else | ||||
1472 | TransReq = Req; | ||||
1473 | Transformed.push_back(TransReq); | ||||
1474 | } | ||||
1475 | return false; | ||||
1476 | } | ||||
1477 | |||||
1478 | TemplateParameterList *TransformTemplateParameterList( | ||||
1479 | TemplateParameterList *OrigTPL) { | ||||
1480 | if (!OrigTPL || !OrigTPL->size()) return OrigTPL; | ||||
1481 | |||||
1482 | DeclContext *Owner = OrigTPL->getParam(0)->getDeclContext(); | ||||
1483 | TemplateDeclInstantiator DeclInstantiator(getSema(), | ||||
1484 | /* DeclContext *Owner */ Owner, TemplateArgs); | ||||
1485 | DeclInstantiator.setEvaluateConstraints(EvaluateConstraints); | ||||
1486 | return DeclInstantiator.SubstTemplateParams(OrigTPL); | ||||
1487 | } | ||||
1488 | |||||
1489 | concepts::TypeRequirement * | ||||
1490 | TransformTypeRequirement(concepts::TypeRequirement *Req); | ||||
1491 | concepts::ExprRequirement * | ||||
1492 | TransformExprRequirement(concepts::ExprRequirement *Req); | ||||
1493 | concepts::NestedRequirement * | ||||
1494 | TransformNestedRequirement(concepts::NestedRequirement *Req); | ||||
1495 | ExprResult TransformRequiresTypeParams( | ||||
1496 | SourceLocation KWLoc, SourceLocation RBraceLoc, const RequiresExpr *RE, | ||||
1497 | RequiresExprBodyDecl *Body, ArrayRef<ParmVarDecl *> Params, | ||||
1498 | SmallVectorImpl<QualType> &PTypes, | ||||
1499 | SmallVectorImpl<ParmVarDecl *> &TransParams, | ||||
1500 | Sema::ExtParameterInfoBuilder &PInfos); | ||||
1501 | |||||
1502 | private: | ||||
1503 | ExprResult | ||||
1504 | transformNonTypeTemplateParmRef(Decl *AssociatedDecl, | ||||
1505 | const NonTypeTemplateParmDecl *parm, | ||||
1506 | SourceLocation loc, TemplateArgument arg, | ||||
1507 | std::optional<unsigned> PackIndex); | ||||
1508 | }; | ||||
1509 | } | ||||
1510 | |||||
1511 | bool TemplateInstantiator::AlreadyTransformed(QualType T) { | ||||
1512 | if (T.isNull()) | ||||
1513 | return true; | ||||
1514 | |||||
1515 | if (T->isInstantiationDependentType() || T->isVariablyModifiedType()) | ||||
1516 | return false; | ||||
1517 | |||||
1518 | getSema().MarkDeclarationsReferencedInType(Loc, T); | ||||
1519 | return true; | ||||
1520 | } | ||||
1521 | |||||
1522 | static TemplateArgument | ||||
1523 | getPackSubstitutedTemplateArgument(Sema &S, TemplateArgument Arg) { | ||||
1524 | assert(S.ArgumentPackSubstitutionIndex >= 0)(static_cast <bool> (S.ArgumentPackSubstitutionIndex >= 0) ? void (0) : __assert_fail ("S.ArgumentPackSubstitutionIndex >= 0" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1524, __extension__ __PRETTY_FUNCTION__)); | ||||
1525 | assert(S.ArgumentPackSubstitutionIndex < (int)Arg.pack_size())(static_cast <bool> (S.ArgumentPackSubstitutionIndex < (int)Arg.pack_size()) ? void (0) : __assert_fail ("S.ArgumentPackSubstitutionIndex < (int)Arg.pack_size()" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1525, __extension__ __PRETTY_FUNCTION__)); | ||||
1526 | Arg = Arg.pack_begin()[S.ArgumentPackSubstitutionIndex]; | ||||
1527 | if (Arg.isPackExpansion()) | ||||
1528 | Arg = Arg.getPackExpansionPattern(); | ||||
1529 | return Arg; | ||||
1530 | } | ||||
1531 | |||||
1532 | Decl *TemplateInstantiator::TransformDecl(SourceLocation Loc, Decl *D) { | ||||
1533 | if (!D) | ||||
1534 | return nullptr; | ||||
1535 | |||||
1536 | if (TemplateTemplateParmDecl *TTP = dyn_cast<TemplateTemplateParmDecl>(D)) { | ||||
1537 | if (TTP->getDepth() < TemplateArgs.getNumLevels()) { | ||||
1538 | // If the corresponding template argument is NULL or non-existent, it's | ||||
1539 | // because we are performing instantiation from explicitly-specified | ||||
1540 | // template arguments in a function template, but there were some | ||||
1541 | // arguments left unspecified. | ||||
1542 | if (!TemplateArgs.hasTemplateArgument(TTP->getDepth(), | ||||
1543 | TTP->getPosition())) | ||||
1544 | return D; | ||||
1545 | |||||
1546 | TemplateArgument Arg = TemplateArgs(TTP->getDepth(), TTP->getPosition()); | ||||
1547 | |||||
1548 | if (TTP->isParameterPack()) { | ||||
1549 | assert(Arg.getKind() == TemplateArgument::Pack &&(static_cast <bool> (Arg.getKind() == TemplateArgument:: Pack && "Missing argument pack") ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Pack && \"Missing argument pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1550, __extension__ __PRETTY_FUNCTION__)) | ||||
1550 | "Missing argument pack")(static_cast <bool> (Arg.getKind() == TemplateArgument:: Pack && "Missing argument pack") ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Pack && \"Missing argument pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1550, __extension__ __PRETTY_FUNCTION__)); | ||||
1551 | Arg = getPackSubstitutedTemplateArgument(getSema(), Arg); | ||||
1552 | } | ||||
1553 | |||||
1554 | TemplateName Template = Arg.getAsTemplate().getNameToSubstitute(); | ||||
1555 | assert(!Template.isNull() && Template.getAsTemplateDecl() &&(static_cast <bool> (!Template.isNull() && Template .getAsTemplateDecl() && "Wrong kind of template template argument" ) ? void (0) : __assert_fail ("!Template.isNull() && Template.getAsTemplateDecl() && \"Wrong kind of template template argument\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1556, __extension__ __PRETTY_FUNCTION__)) | ||||
1556 | "Wrong kind of template template argument")(static_cast <bool> (!Template.isNull() && Template .getAsTemplateDecl() && "Wrong kind of template template argument" ) ? void (0) : __assert_fail ("!Template.isNull() && Template.getAsTemplateDecl() && \"Wrong kind of template template argument\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1556, __extension__ __PRETTY_FUNCTION__)); | ||||
1557 | return Template.getAsTemplateDecl(); | ||||
1558 | } | ||||
1559 | |||||
1560 | // Fall through to find the instantiated declaration for this template | ||||
1561 | // template parameter. | ||||
1562 | } | ||||
1563 | |||||
1564 | return SemaRef.FindInstantiatedDecl(Loc, cast<NamedDecl>(D), TemplateArgs); | ||||
1565 | } | ||||
1566 | |||||
1567 | Decl *TemplateInstantiator::TransformDefinition(SourceLocation Loc, Decl *D) { | ||||
1568 | Decl *Inst = getSema().SubstDecl(D, getSema().CurContext, TemplateArgs); | ||||
1569 | if (!Inst) | ||||
1570 | return nullptr; | ||||
1571 | |||||
1572 | getSema().CurrentInstantiationScope->InstantiatedLocal(D, Inst); | ||||
1573 | return Inst; | ||||
1574 | } | ||||
1575 | |||||
1576 | NamedDecl * | ||||
1577 | TemplateInstantiator::TransformFirstQualifierInScope(NamedDecl *D, | ||||
1578 | SourceLocation Loc) { | ||||
1579 | // If the first part of the nested-name-specifier was a template type | ||||
1580 | // parameter, instantiate that type parameter down to a tag type. | ||||
1581 | if (TemplateTypeParmDecl *TTPD = dyn_cast_or_null<TemplateTypeParmDecl>(D)) { | ||||
1582 | const TemplateTypeParmType *TTP | ||||
1583 | = cast<TemplateTypeParmType>(getSema().Context.getTypeDeclType(TTPD)); | ||||
1584 | |||||
1585 | if (TTP->getDepth() < TemplateArgs.getNumLevels()) { | ||||
1586 | // FIXME: This needs testing w/ member access expressions. | ||||
1587 | TemplateArgument Arg = TemplateArgs(TTP->getDepth(), TTP->getIndex()); | ||||
1588 | |||||
1589 | if (TTP->isParameterPack()) { | ||||
1590 | assert(Arg.getKind() == TemplateArgument::Pack &&(static_cast <bool> (Arg.getKind() == TemplateArgument:: Pack && "Missing argument pack") ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Pack && \"Missing argument pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1591, __extension__ __PRETTY_FUNCTION__)) | ||||
1591 | "Missing argument pack")(static_cast <bool> (Arg.getKind() == TemplateArgument:: Pack && "Missing argument pack") ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Pack && \"Missing argument pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1591, __extension__ __PRETTY_FUNCTION__)); | ||||
1592 | |||||
1593 | if (getSema().ArgumentPackSubstitutionIndex == -1) | ||||
1594 | return nullptr; | ||||
1595 | |||||
1596 | Arg = getPackSubstitutedTemplateArgument(getSema(), Arg); | ||||
1597 | } | ||||
1598 | |||||
1599 | QualType T = Arg.getAsType(); | ||||
1600 | if (T.isNull()) | ||||
1601 | return cast_or_null<NamedDecl>(TransformDecl(Loc, D)); | ||||
1602 | |||||
1603 | if (const TagType *Tag = T->getAs<TagType>()) | ||||
1604 | return Tag->getDecl(); | ||||
1605 | |||||
1606 | // The resulting type is not a tag; complain. | ||||
1607 | getSema().Diag(Loc, diag::err_nested_name_spec_non_tag) << T; | ||||
1608 | return nullptr; | ||||
1609 | } | ||||
1610 | } | ||||
1611 | |||||
1612 | return cast_or_null<NamedDecl>(TransformDecl(Loc, D)); | ||||
1613 | } | ||||
1614 | |||||
1615 | VarDecl * | ||||
1616 | TemplateInstantiator::RebuildExceptionDecl(VarDecl *ExceptionDecl, | ||||
1617 | TypeSourceInfo *Declarator, | ||||
1618 | SourceLocation StartLoc, | ||||
1619 | SourceLocation NameLoc, | ||||
1620 | IdentifierInfo *Name) { | ||||
1621 | VarDecl *Var = inherited::RebuildExceptionDecl(ExceptionDecl, Declarator, | ||||
1622 | StartLoc, NameLoc, Name); | ||||
1623 | if (Var) | ||||
1624 | getSema().CurrentInstantiationScope->InstantiatedLocal(ExceptionDecl, Var); | ||||
1625 | return Var; | ||||
1626 | } | ||||
1627 | |||||
1628 | VarDecl *TemplateInstantiator::RebuildObjCExceptionDecl(VarDecl *ExceptionDecl, | ||||
1629 | TypeSourceInfo *TSInfo, | ||||
1630 | QualType T) { | ||||
1631 | VarDecl *Var = inherited::RebuildObjCExceptionDecl(ExceptionDecl, TSInfo, T); | ||||
1632 | if (Var) | ||||
1633 | getSema().CurrentInstantiationScope->InstantiatedLocal(ExceptionDecl, Var); | ||||
1634 | return Var; | ||||
1635 | } | ||||
1636 | |||||
1637 | QualType | ||||
1638 | TemplateInstantiator::RebuildElaboratedType(SourceLocation KeywordLoc, | ||||
1639 | ElaboratedTypeKeyword Keyword, | ||||
1640 | NestedNameSpecifierLoc QualifierLoc, | ||||
1641 | QualType T) { | ||||
1642 | if (const TagType *TT = T->getAs<TagType>()) { | ||||
1643 | TagDecl* TD = TT->getDecl(); | ||||
1644 | |||||
1645 | SourceLocation TagLocation = KeywordLoc; | ||||
1646 | |||||
1647 | IdentifierInfo *Id = TD->getIdentifier(); | ||||
1648 | |||||
1649 | // TODO: should we even warn on struct/class mismatches for this? Seems | ||||
1650 | // like it's likely to produce a lot of spurious errors. | ||||
1651 | if (Id && Keyword != ETK_None && Keyword != ETK_Typename) { | ||||
1652 | TagTypeKind Kind = TypeWithKeyword::getTagTypeKindForKeyword(Keyword); | ||||
1653 | if (!SemaRef.isAcceptableTagRedeclaration(TD, Kind, /*isDefinition*/false, | ||||
1654 | TagLocation, Id)) { | ||||
1655 | SemaRef.Diag(TagLocation, diag::err_use_with_wrong_tag) | ||||
1656 | << Id | ||||
1657 | << FixItHint::CreateReplacement(SourceRange(TagLocation), | ||||
1658 | TD->getKindName()); | ||||
1659 | SemaRef.Diag(TD->getLocation(), diag::note_previous_use); | ||||
1660 | } | ||||
1661 | } | ||||
1662 | } | ||||
1663 | |||||
1664 | return inherited::RebuildElaboratedType(KeywordLoc, Keyword, QualifierLoc, T); | ||||
1665 | } | ||||
1666 | |||||
1667 | TemplateName TemplateInstantiator::TransformTemplateName( | ||||
1668 | CXXScopeSpec &SS, TemplateName Name, SourceLocation NameLoc, | ||||
1669 | QualType ObjectType, NamedDecl *FirstQualifierInScope, | ||||
1670 | bool AllowInjectedClassName) { | ||||
1671 | if (TemplateTemplateParmDecl *TTP | ||||
1672 | = dyn_cast_or_null<TemplateTemplateParmDecl>(Name.getAsTemplateDecl())) { | ||||
1673 | if (TTP->getDepth() < TemplateArgs.getNumLevels()) { | ||||
1674 | // If the corresponding template argument is NULL or non-existent, it's | ||||
1675 | // because we are performing instantiation from explicitly-specified | ||||
1676 | // template arguments in a function template, but there were some | ||||
1677 | // arguments left unspecified. | ||||
1678 | if (!TemplateArgs.hasTemplateArgument(TTP->getDepth(), | ||||
1679 | TTP->getPosition())) | ||||
1680 | return Name; | ||||
1681 | |||||
1682 | TemplateArgument Arg = TemplateArgs(TTP->getDepth(), TTP->getPosition()); | ||||
1683 | |||||
1684 | if (TemplateArgs.isRewrite()) { | ||||
1685 | // We're rewriting the template parameter as a reference to another | ||||
1686 | // template parameter. | ||||
1687 | if (Arg.getKind() == TemplateArgument::Pack) { | ||||
1688 | assert(Arg.pack_size() == 1 && Arg.pack_begin()->isPackExpansion() &&(static_cast <bool> (Arg.pack_size() == 1 && Arg .pack_begin()->isPackExpansion() && "unexpected pack arguments in template rewrite" ) ? void (0) : __assert_fail ("Arg.pack_size() == 1 && Arg.pack_begin()->isPackExpansion() && \"unexpected pack arguments in template rewrite\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1689, __extension__ __PRETTY_FUNCTION__)) | ||||
1689 | "unexpected pack arguments in template rewrite")(static_cast <bool> (Arg.pack_size() == 1 && Arg .pack_begin()->isPackExpansion() && "unexpected pack arguments in template rewrite" ) ? void (0) : __assert_fail ("Arg.pack_size() == 1 && Arg.pack_begin()->isPackExpansion() && \"unexpected pack arguments in template rewrite\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1689, __extension__ __PRETTY_FUNCTION__)); | ||||
1690 | Arg = Arg.pack_begin()->getPackExpansionPattern(); | ||||
1691 | } | ||||
1692 | assert(Arg.getKind() == TemplateArgument::Template &&(static_cast <bool> (Arg.getKind() == TemplateArgument:: Template && "unexpected nontype template argument kind in template rewrite" ) ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Template && \"unexpected nontype template argument kind in template rewrite\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1693, __extension__ __PRETTY_FUNCTION__)) | ||||
1693 | "unexpected nontype template argument kind in template rewrite")(static_cast <bool> (Arg.getKind() == TemplateArgument:: Template && "unexpected nontype template argument kind in template rewrite" ) ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Template && \"unexpected nontype template argument kind in template rewrite\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1693, __extension__ __PRETTY_FUNCTION__)); | ||||
1694 | return Arg.getAsTemplate(); | ||||
1695 | } | ||||
1696 | |||||
1697 | auto [AssociatedDecl, Final] = | ||||
1698 | TemplateArgs.getAssociatedDecl(TTP->getDepth()); | ||||
1699 | std::optional<unsigned> PackIndex; | ||||
1700 | if (TTP->isParameterPack()) { | ||||
1701 | assert(Arg.getKind() == TemplateArgument::Pack &&(static_cast <bool> (Arg.getKind() == TemplateArgument:: Pack && "Missing argument pack") ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Pack && \"Missing argument pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1702, __extension__ __PRETTY_FUNCTION__)) | ||||
1702 | "Missing argument pack")(static_cast <bool> (Arg.getKind() == TemplateArgument:: Pack && "Missing argument pack") ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Pack && \"Missing argument pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1702, __extension__ __PRETTY_FUNCTION__)); | ||||
1703 | |||||
1704 | if (getSema().ArgumentPackSubstitutionIndex == -1) { | ||||
1705 | // We have the template argument pack to substitute, but we're not | ||||
1706 | // actually expanding the enclosing pack expansion yet. So, just | ||||
1707 | // keep the entire argument pack. | ||||
1708 | return getSema().Context.getSubstTemplateTemplateParmPack( | ||||
1709 | Arg, AssociatedDecl, TTP->getIndex(), Final); | ||||
1710 | } | ||||
1711 | |||||
1712 | PackIndex = getPackIndex(Arg); | ||||
1713 | Arg = getPackSubstitutedTemplateArgument(getSema(), Arg); | ||||
1714 | } | ||||
1715 | |||||
1716 | TemplateName Template = Arg.getAsTemplate().getNameToSubstitute(); | ||||
1717 | assert(!Template.isNull() && "Null template template argument")(static_cast <bool> (!Template.isNull() && "Null template template argument" ) ? void (0) : __assert_fail ("!Template.isNull() && \"Null template template argument\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1717, __extension__ __PRETTY_FUNCTION__)); | ||||
1718 | assert(!Template.getAsQualifiedTemplateName() &&(static_cast <bool> (!Template.getAsQualifiedTemplateName () && "template decl to substitute is qualified?") ? void (0) : __assert_fail ("!Template.getAsQualifiedTemplateName() && \"template decl to substitute is qualified?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1719, __extension__ __PRETTY_FUNCTION__)) | ||||
1719 | "template decl to substitute is qualified?")(static_cast <bool> (!Template.getAsQualifiedTemplateName () && "template decl to substitute is qualified?") ? void (0) : __assert_fail ("!Template.getAsQualifiedTemplateName() && \"template decl to substitute is qualified?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1719, __extension__ __PRETTY_FUNCTION__)); | ||||
1720 | |||||
1721 | if (Final) | ||||
1722 | return Template; | ||||
1723 | return getSema().Context.getSubstTemplateTemplateParm( | ||||
1724 | Template, AssociatedDecl, TTP->getIndex(), PackIndex); | ||||
1725 | } | ||||
1726 | } | ||||
1727 | |||||
1728 | if (SubstTemplateTemplateParmPackStorage *SubstPack | ||||
1729 | = Name.getAsSubstTemplateTemplateParmPack()) { | ||||
1730 | if (getSema().ArgumentPackSubstitutionIndex == -1) | ||||
1731 | return Name; | ||||
1732 | |||||
1733 | TemplateArgument Pack = SubstPack->getArgumentPack(); | ||||
1734 | TemplateName Template = | ||||
1735 | getPackSubstitutedTemplateArgument(getSema(), Pack).getAsTemplate(); | ||||
1736 | if (SubstPack->getFinal()) | ||||
1737 | return Template; | ||||
1738 | return getSema().Context.getSubstTemplateTemplateParm( | ||||
1739 | Template.getNameToSubstitute(), SubstPack->getAssociatedDecl(), | ||||
1740 | SubstPack->getIndex(), getPackIndex(Pack)); | ||||
1741 | } | ||||
1742 | |||||
1743 | return inherited::TransformTemplateName(SS, Name, NameLoc, ObjectType, | ||||
1744 | FirstQualifierInScope, | ||||
1745 | AllowInjectedClassName); | ||||
1746 | } | ||||
1747 | |||||
1748 | ExprResult | ||||
1749 | TemplateInstantiator::TransformPredefinedExpr(PredefinedExpr *E) { | ||||
1750 | if (!E->isTypeDependent()) | ||||
1751 | return E; | ||||
1752 | |||||
1753 | return getSema().BuildPredefinedExpr(E->getLocation(), E->getIdentKind()); | ||||
1754 | } | ||||
1755 | |||||
1756 | ExprResult | ||||
1757 | TemplateInstantiator::TransformTemplateParmRefExpr(DeclRefExpr *E, | ||||
1758 | NonTypeTemplateParmDecl *NTTP) { | ||||
1759 | // If the corresponding template argument is NULL or non-existent, it's | ||||
1760 | // because we are performing instantiation from explicitly-specified | ||||
1761 | // template arguments in a function template, but there were some | ||||
1762 | // arguments left unspecified. | ||||
1763 | if (!TemplateArgs.hasTemplateArgument(NTTP->getDepth(), | ||||
1764 | NTTP->getPosition())) | ||||
1765 | return E; | ||||
1766 | |||||
1767 | TemplateArgument Arg = TemplateArgs(NTTP->getDepth(), NTTP->getPosition()); | ||||
1768 | |||||
1769 | if (TemplateArgs.isRewrite()) { | ||||
1770 | // We're rewriting the template parameter as a reference to another | ||||
1771 | // template parameter. | ||||
1772 | if (Arg.getKind() == TemplateArgument::Pack) { | ||||
1773 | assert(Arg.pack_size() == 1 && Arg.pack_begin()->isPackExpansion() &&(static_cast <bool> (Arg.pack_size() == 1 && Arg .pack_begin()->isPackExpansion() && "unexpected pack arguments in template rewrite" ) ? void (0) : __assert_fail ("Arg.pack_size() == 1 && Arg.pack_begin()->isPackExpansion() && \"unexpected pack arguments in template rewrite\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1774, __extension__ __PRETTY_FUNCTION__)) | ||||
1774 | "unexpected pack arguments in template rewrite")(static_cast <bool> (Arg.pack_size() == 1 && Arg .pack_begin()->isPackExpansion() && "unexpected pack arguments in template rewrite" ) ? void (0) : __assert_fail ("Arg.pack_size() == 1 && Arg.pack_begin()->isPackExpansion() && \"unexpected pack arguments in template rewrite\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1774, __extension__ __PRETTY_FUNCTION__)); | ||||
1775 | Arg = Arg.pack_begin()->getPackExpansionPattern(); | ||||
1776 | } | ||||
1777 | assert(Arg.getKind() == TemplateArgument::Expression &&(static_cast <bool> (Arg.getKind() == TemplateArgument:: Expression && "unexpected nontype template argument kind in template rewrite" ) ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Expression && \"unexpected nontype template argument kind in template rewrite\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1778, __extension__ __PRETTY_FUNCTION__)) | ||||
1778 | "unexpected nontype template argument kind in template rewrite")(static_cast <bool> (Arg.getKind() == TemplateArgument:: Expression && "unexpected nontype template argument kind in template rewrite" ) ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Expression && \"unexpected nontype template argument kind in template rewrite\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1778, __extension__ __PRETTY_FUNCTION__)); | ||||
1779 | // FIXME: This can lead to the same subexpression appearing multiple times | ||||
1780 | // in a complete expression. | ||||
1781 | return Arg.getAsExpr(); | ||||
1782 | } | ||||
1783 | |||||
1784 | auto [AssociatedDecl, _] = TemplateArgs.getAssociatedDecl(NTTP->getDepth()); | ||||
1785 | std::optional<unsigned> PackIndex; | ||||
1786 | if (NTTP->isParameterPack()) { | ||||
1787 | assert(Arg.getKind() == TemplateArgument::Pack &&(static_cast <bool> (Arg.getKind() == TemplateArgument:: Pack && "Missing argument pack") ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Pack && \"Missing argument pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1788, __extension__ __PRETTY_FUNCTION__)) | ||||
1788 | "Missing argument pack")(static_cast <bool> (Arg.getKind() == TemplateArgument:: Pack && "Missing argument pack") ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Pack && \"Missing argument pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1788, __extension__ __PRETTY_FUNCTION__)); | ||||
1789 | |||||
1790 | if (getSema().ArgumentPackSubstitutionIndex == -1) { | ||||
1791 | // We have an argument pack, but we can't select a particular argument | ||||
1792 | // out of it yet. Therefore, we'll build an expression to hold on to that | ||||
1793 | // argument pack. | ||||
1794 | QualType TargetType = SemaRef.SubstType(NTTP->getType(), TemplateArgs, | ||||
1795 | E->getLocation(), | ||||
1796 | NTTP->getDeclName()); | ||||
1797 | if (TargetType.isNull()) | ||||
1798 | return ExprError(); | ||||
1799 | |||||
1800 | QualType ExprType = TargetType.getNonLValueExprType(SemaRef.Context); | ||||
1801 | if (TargetType->isRecordType()) | ||||
1802 | ExprType.addConst(); | ||||
1803 | // FIXME: Pass in Final. | ||||
1804 | return new (SemaRef.Context) SubstNonTypeTemplateParmPackExpr( | ||||
1805 | ExprType, TargetType->isReferenceType() ? VK_LValue : VK_PRValue, | ||||
1806 | E->getLocation(), Arg, AssociatedDecl, NTTP->getPosition()); | ||||
1807 | } | ||||
1808 | PackIndex = getPackIndex(Arg); | ||||
1809 | Arg = getPackSubstitutedTemplateArgument(getSema(), Arg); | ||||
1810 | } | ||||
1811 | // FIXME: Don't put subst node on Final replacement. | ||||
1812 | return transformNonTypeTemplateParmRef(AssociatedDecl, NTTP, E->getLocation(), | ||||
1813 | Arg, PackIndex); | ||||
1814 | } | ||||
1815 | |||||
1816 | const LoopHintAttr * | ||||
1817 | TemplateInstantiator::TransformLoopHintAttr(const LoopHintAttr *LH) { | ||||
1818 | Expr *TransformedExpr = getDerived().TransformExpr(LH->getValue()).get(); | ||||
1819 | |||||
1820 | if (TransformedExpr == LH->getValue()) | ||||
1821 | return LH; | ||||
1822 | |||||
1823 | // Generate error if there is a problem with the value. | ||||
1824 | if (getSema().CheckLoopHintExpr(TransformedExpr, LH->getLocation())) | ||||
1825 | return LH; | ||||
1826 | |||||
1827 | // Create new LoopHintValueAttr with integral expression in place of the | ||||
1828 | // non-type template parameter. | ||||
1829 | return LoopHintAttr::CreateImplicit(getSema().Context, LH->getOption(), | ||||
1830 | LH->getState(), TransformedExpr, *LH); | ||||
1831 | } | ||||
1832 | const NoInlineAttr *TemplateInstantiator::TransformStmtNoInlineAttr( | ||||
1833 | const Stmt *OrigS, const Stmt *InstS, const NoInlineAttr *A) { | ||||
1834 | if (!A || getSema().CheckNoInlineAttr(OrigS, InstS, *A)) | ||||
1835 | return nullptr; | ||||
1836 | |||||
1837 | return A; | ||||
1838 | } | ||||
1839 | const AlwaysInlineAttr *TemplateInstantiator::TransformStmtAlwaysInlineAttr( | ||||
1840 | const Stmt *OrigS, const Stmt *InstS, const AlwaysInlineAttr *A) { | ||||
1841 | if (!A || getSema().CheckAlwaysInlineAttr(OrigS, InstS, *A)) | ||||
1842 | return nullptr; | ||||
1843 | |||||
1844 | return A; | ||||
1845 | } | ||||
1846 | |||||
1847 | ExprResult TemplateInstantiator::transformNonTypeTemplateParmRef( | ||||
1848 | Decl *AssociatedDecl, const NonTypeTemplateParmDecl *parm, | ||||
1849 | SourceLocation loc, TemplateArgument arg, | ||||
1850 | std::optional<unsigned> PackIndex) { | ||||
1851 | ExprResult result; | ||||
1852 | |||||
1853 | // Determine the substituted parameter type. We can usually infer this from | ||||
1854 | // the template argument, but not always. | ||||
1855 | auto SubstParamType = [&] { | ||||
1856 | QualType T; | ||||
1857 | if (parm->isExpandedParameterPack()) | ||||
1858 | T = parm->getExpansionType(SemaRef.ArgumentPackSubstitutionIndex); | ||||
1859 | else | ||||
1860 | T = parm->getType(); | ||||
1861 | if (parm->isParameterPack() && isa<PackExpansionType>(T)) | ||||
1862 | T = cast<PackExpansionType>(T)->getPattern(); | ||||
1863 | return SemaRef.SubstType(T, TemplateArgs, loc, parm->getDeclName()); | ||||
1864 | }; | ||||
1865 | |||||
1866 | bool refParam = false; | ||||
1867 | |||||
1868 | // The template argument itself might be an expression, in which case we just | ||||
1869 | // return that expression. This happens when substituting into an alias | ||||
1870 | // template. | ||||
1871 | if (arg.getKind() == TemplateArgument::Expression) { | ||||
1872 | Expr *argExpr = arg.getAsExpr(); | ||||
1873 | result = argExpr; | ||||
1874 | if (argExpr->isLValue()) { | ||||
1875 | if (argExpr->getType()->isRecordType()) { | ||||
1876 | // Check whether the parameter was actually a reference. | ||||
1877 | QualType paramType = SubstParamType(); | ||||
1878 | if (paramType.isNull()) | ||||
1879 | return ExprError(); | ||||
1880 | refParam = paramType->isReferenceType(); | ||||
1881 | } else { | ||||
1882 | refParam = true; | ||||
1883 | } | ||||
1884 | } | ||||
1885 | } else if (arg.getKind() == TemplateArgument::Declaration || | ||||
1886 | arg.getKind() == TemplateArgument::NullPtr) { | ||||
1887 | ValueDecl *VD; | ||||
1888 | if (arg.getKind() == TemplateArgument::Declaration) { | ||||
1889 | VD = arg.getAsDecl(); | ||||
1890 | |||||
1891 | // Find the instantiation of the template argument. This is | ||||
1892 | // required for nested templates. | ||||
1893 | VD = cast_or_null<ValueDecl>( | ||||
1894 | getSema().FindInstantiatedDecl(loc, VD, TemplateArgs)); | ||||
1895 | if (!VD) | ||||
1896 | return ExprError(); | ||||
1897 | } else { | ||||
1898 | // Propagate NULL template argument. | ||||
1899 | VD = nullptr; | ||||
1900 | } | ||||
1901 | |||||
1902 | QualType paramType = VD ? arg.getParamTypeForDecl() : arg.getNullPtrType(); | ||||
1903 | assert(!paramType.isNull() && "type substitution failed for param type")(static_cast <bool> (!paramType.isNull() && "type substitution failed for param type" ) ? void (0) : __assert_fail ("!paramType.isNull() && \"type substitution failed for param type\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1903, __extension__ __PRETTY_FUNCTION__)); | ||||
1904 | assert(!paramType->isDependentType() && "param type still dependent")(static_cast <bool> (!paramType->isDependentType() && "param type still dependent") ? void (0) : __assert_fail ("!paramType->isDependentType() && \"param type still dependent\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1904, __extension__ __PRETTY_FUNCTION__)); | ||||
1905 | result = SemaRef.BuildExpressionFromDeclTemplateArgument(arg, paramType, loc); | ||||
1906 | refParam = paramType->isReferenceType(); | ||||
1907 | } else { | ||||
1908 | result = SemaRef.BuildExpressionFromIntegralTemplateArgument(arg, loc); | ||||
1909 | assert(result.isInvalid() ||(static_cast <bool> (result.isInvalid() || SemaRef.Context .hasSameType(result.get()->getType(), arg.getIntegralType( ))) ? void (0) : __assert_fail ("result.isInvalid() || SemaRef.Context.hasSameType(result.get()->getType(), arg.getIntegralType())" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1911, __extension__ __PRETTY_FUNCTION__)) | ||||
1910 | SemaRef.Context.hasSameType(result.get()->getType(),(static_cast <bool> (result.isInvalid() || SemaRef.Context .hasSameType(result.get()->getType(), arg.getIntegralType( ))) ? void (0) : __assert_fail ("result.isInvalid() || SemaRef.Context.hasSameType(result.get()->getType(), arg.getIntegralType())" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1911, __extension__ __PRETTY_FUNCTION__)) | ||||
1911 | arg.getIntegralType()))(static_cast <bool> (result.isInvalid() || SemaRef.Context .hasSameType(result.get()->getType(), arg.getIntegralType( ))) ? void (0) : __assert_fail ("result.isInvalid() || SemaRef.Context.hasSameType(result.get()->getType(), arg.getIntegralType())" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 1911, __extension__ __PRETTY_FUNCTION__)); | ||||
1912 | } | ||||
1913 | |||||
1914 | if (result.isInvalid()) | ||||
1915 | return ExprError(); | ||||
1916 | |||||
1917 | Expr *resultExpr = result.get(); | ||||
1918 | // FIXME: Don't put subst node on final replacement. | ||||
1919 | return new (SemaRef.Context) SubstNonTypeTemplateParmExpr( | ||||
1920 | resultExpr->getType(), resultExpr->getValueKind(), loc, resultExpr, | ||||
1921 | AssociatedDecl, parm->getIndex(), PackIndex, refParam); | ||||
1922 | } | ||||
1923 | |||||
1924 | ExprResult | ||||
1925 | TemplateInstantiator::TransformSubstNonTypeTemplateParmPackExpr( | ||||
1926 | SubstNonTypeTemplateParmPackExpr *E) { | ||||
1927 | if (getSema().ArgumentPackSubstitutionIndex == -1) { | ||||
1928 | // We aren't expanding the parameter pack, so just return ourselves. | ||||
1929 | return E; | ||||
1930 | } | ||||
1931 | |||||
1932 | TemplateArgument Pack = E->getArgumentPack(); | ||||
1933 | TemplateArgument Arg = getPackSubstitutedTemplateArgument(getSema(), Pack); | ||||
1934 | // FIXME: Don't put subst node on final replacement. | ||||
1935 | return transformNonTypeTemplateParmRef( | ||||
1936 | E->getAssociatedDecl(), E->getParameterPack(), | ||||
1937 | E->getParameterPackLocation(), Arg, getPackIndex(Pack)); | ||||
1938 | } | ||||
1939 | |||||
1940 | ExprResult | ||||
1941 | TemplateInstantiator::TransformSubstNonTypeTemplateParmExpr( | ||||
1942 | SubstNonTypeTemplateParmExpr *E) { | ||||
1943 | ExprResult SubstReplacement = E->getReplacement(); | ||||
1944 | if (!isa<ConstantExpr>(SubstReplacement.get())) | ||||
1945 | SubstReplacement = TransformExpr(E->getReplacement()); | ||||
1946 | if (SubstReplacement.isInvalid()) | ||||
1947 | return true; | ||||
1948 | QualType SubstType = TransformType(E->getParameterType(getSema().Context)); | ||||
1949 | if (SubstType.isNull()) | ||||
1950 | return true; | ||||
1951 | // The type may have been previously dependent and not now, which means we | ||||
1952 | // might have to implicit cast the argument to the new type, for example: | ||||
1953 | // template<auto T, decltype(T) U> | ||||
1954 | // concept C = sizeof(U) == 4; | ||||
1955 | // void foo() requires C<2, 'a'> { } | ||||
1956 | // When normalizing foo(), we first form the normalized constraints of C: | ||||
1957 | // AtomicExpr(sizeof(U) == 4, | ||||
1958 | // U=SubstNonTypeTemplateParmExpr(Param=U, | ||||
1959 | // Expr=DeclRef(U), | ||||
1960 | // Type=decltype(T))) | ||||
1961 | // Then we substitute T = 2, U = 'a' into the parameter mapping, and need to | ||||
1962 | // produce: | ||||
1963 | // AtomicExpr(sizeof(U) == 4, | ||||
1964 | // U=SubstNonTypeTemplateParmExpr(Param=U, | ||||
1965 | // Expr=ImpCast( | ||||
1966 | // decltype(2), | ||||
1967 | // SubstNTTPE(Param=U, Expr='a', | ||||
1968 | // Type=char)), | ||||
1969 | // Type=decltype(2))) | ||||
1970 | // The call to CheckTemplateArgument here produces the ImpCast. | ||||
1971 | TemplateArgument SugaredConverted, CanonicalConverted; | ||||
1972 | if (SemaRef | ||||
1973 | .CheckTemplateArgument(E->getParameter(), SubstType, | ||||
1974 | SubstReplacement.get(), SugaredConverted, | ||||
1975 | CanonicalConverted, Sema::CTAK_Specified) | ||||
1976 | .isInvalid()) | ||||
1977 | return true; | ||||
1978 | return transformNonTypeTemplateParmRef(E->getAssociatedDecl(), | ||||
1979 | E->getParameter(), E->getExprLoc(), | ||||
1980 | SugaredConverted, E->getPackIndex()); | ||||
1981 | } | ||||
1982 | |||||
1983 | ExprResult TemplateInstantiator::RebuildVarDeclRefExpr(VarDecl *PD, | ||||
1984 | SourceLocation Loc) { | ||||
1985 | DeclarationNameInfo NameInfo(PD->getDeclName(), Loc); | ||||
1986 | return getSema().BuildDeclarationNameExpr(CXXScopeSpec(), NameInfo, PD); | ||||
1987 | } | ||||
1988 | |||||
1989 | ExprResult | ||||
1990 | TemplateInstantiator::TransformFunctionParmPackExpr(FunctionParmPackExpr *E) { | ||||
1991 | if (getSema().ArgumentPackSubstitutionIndex != -1) { | ||||
1992 | // We can expand this parameter pack now. | ||||
1993 | VarDecl *D = E->getExpansion(getSema().ArgumentPackSubstitutionIndex); | ||||
1994 | VarDecl *VD = cast_or_null<VarDecl>(TransformDecl(E->getExprLoc(), D)); | ||||
1995 | if (!VD) | ||||
1996 | return ExprError(); | ||||
1997 | return RebuildVarDeclRefExpr(VD, E->getExprLoc()); | ||||
1998 | } | ||||
1999 | |||||
2000 | QualType T = TransformType(E->getType()); | ||||
2001 | if (T.isNull()) | ||||
2002 | return ExprError(); | ||||
2003 | |||||
2004 | // Transform each of the parameter expansions into the corresponding | ||||
2005 | // parameters in the instantiation of the function decl. | ||||
2006 | SmallVector<VarDecl *, 8> Vars; | ||||
2007 | Vars.reserve(E->getNumExpansions()); | ||||
2008 | for (FunctionParmPackExpr::iterator I = E->begin(), End = E->end(); | ||||
2009 | I != End; ++I) { | ||||
2010 | VarDecl *D = cast_or_null<VarDecl>(TransformDecl(E->getExprLoc(), *I)); | ||||
2011 | if (!D) | ||||
2012 | return ExprError(); | ||||
2013 | Vars.push_back(D); | ||||
2014 | } | ||||
2015 | |||||
2016 | auto *PackExpr = | ||||
2017 | FunctionParmPackExpr::Create(getSema().Context, T, E->getParameterPack(), | ||||
2018 | E->getParameterPackLocation(), Vars); | ||||
2019 | getSema().MarkFunctionParmPackReferenced(PackExpr); | ||||
2020 | return PackExpr; | ||||
2021 | } | ||||
2022 | |||||
2023 | ExprResult | ||||
2024 | TemplateInstantiator::TransformFunctionParmPackRefExpr(DeclRefExpr *E, | ||||
2025 | VarDecl *PD) { | ||||
2026 | typedef LocalInstantiationScope::DeclArgumentPack DeclArgumentPack; | ||||
2027 | llvm::PointerUnion<Decl *, DeclArgumentPack *> *Found | ||||
2028 | = getSema().CurrentInstantiationScope->findInstantiationOf(PD); | ||||
2029 | assert(Found && "no instantiation for parameter pack")(static_cast <bool> (Found && "no instantiation for parameter pack" ) ? void (0) : __assert_fail ("Found && \"no instantiation for parameter pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2029, __extension__ __PRETTY_FUNCTION__)); | ||||
2030 | |||||
2031 | Decl *TransformedDecl; | ||||
2032 | if (DeclArgumentPack *Pack = Found->dyn_cast<DeclArgumentPack *>()) { | ||||
2033 | // If this is a reference to a function parameter pack which we can | ||||
2034 | // substitute but can't yet expand, build a FunctionParmPackExpr for it. | ||||
2035 | if (getSema().ArgumentPackSubstitutionIndex == -1) { | ||||
2036 | QualType T = TransformType(E->getType()); | ||||
2037 | if (T.isNull()) | ||||
2038 | return ExprError(); | ||||
2039 | auto *PackExpr = FunctionParmPackExpr::Create(getSema().Context, T, PD, | ||||
2040 | E->getExprLoc(), *Pack); | ||||
2041 | getSema().MarkFunctionParmPackReferenced(PackExpr); | ||||
2042 | return PackExpr; | ||||
2043 | } | ||||
2044 | |||||
2045 | TransformedDecl = (*Pack)[getSema().ArgumentPackSubstitutionIndex]; | ||||
2046 | } else { | ||||
2047 | TransformedDecl = Found->get<Decl*>(); | ||||
2048 | } | ||||
2049 | |||||
2050 | // We have either an unexpanded pack or a specific expansion. | ||||
2051 | return RebuildVarDeclRefExpr(cast<VarDecl>(TransformedDecl), E->getExprLoc()); | ||||
2052 | } | ||||
2053 | |||||
2054 | ExprResult | ||||
2055 | TemplateInstantiator::TransformDeclRefExpr(DeclRefExpr *E) { | ||||
2056 | NamedDecl *D = E->getDecl(); | ||||
2057 | |||||
2058 | // Handle references to non-type template parameters and non-type template | ||||
2059 | // parameter packs. | ||||
2060 | if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(D)) { | ||||
2061 | if (NTTP->getDepth() < TemplateArgs.getNumLevels()) | ||||
2062 | return TransformTemplateParmRefExpr(E, NTTP); | ||||
2063 | |||||
2064 | // We have a non-type template parameter that isn't fully substituted; | ||||
2065 | // FindInstantiatedDecl will find it in the local instantiation scope. | ||||
2066 | } | ||||
2067 | |||||
2068 | // Handle references to function parameter packs. | ||||
2069 | if (VarDecl *PD = dyn_cast<VarDecl>(D)) | ||||
2070 | if (PD->isParameterPack()) | ||||
2071 | return TransformFunctionParmPackRefExpr(E, PD); | ||||
2072 | |||||
2073 | return inherited::TransformDeclRefExpr(E); | ||||
2074 | } | ||||
2075 | |||||
2076 | ExprResult TemplateInstantiator::TransformCXXDefaultArgExpr( | ||||
2077 | CXXDefaultArgExpr *E) { | ||||
2078 | assert(!cast<FunctionDecl>(E->getParam()->getDeclContext())->(static_cast <bool> (!cast<FunctionDecl>(E->getParam ()->getDeclContext())-> getDescribedFunctionTemplate() && "Default arg expressions are never formed in dependent cases." ) ? void (0) : __assert_fail ("!cast<FunctionDecl>(E->getParam()->getDeclContext())-> getDescribedFunctionTemplate() && \"Default arg expressions are never formed in dependent cases.\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2080, __extension__ __PRETTY_FUNCTION__)) | ||||
2079 | getDescribedFunctionTemplate() &&(static_cast <bool> (!cast<FunctionDecl>(E->getParam ()->getDeclContext())-> getDescribedFunctionTemplate() && "Default arg expressions are never formed in dependent cases." ) ? void (0) : __assert_fail ("!cast<FunctionDecl>(E->getParam()->getDeclContext())-> getDescribedFunctionTemplate() && \"Default arg expressions are never formed in dependent cases.\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2080, __extension__ __PRETTY_FUNCTION__)) | ||||
2080 | "Default arg expressions are never formed in dependent cases.")(static_cast <bool> (!cast<FunctionDecl>(E->getParam ()->getDeclContext())-> getDescribedFunctionTemplate() && "Default arg expressions are never formed in dependent cases." ) ? void (0) : __assert_fail ("!cast<FunctionDecl>(E->getParam()->getDeclContext())-> getDescribedFunctionTemplate() && \"Default arg expressions are never formed in dependent cases.\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2080, __extension__ __PRETTY_FUNCTION__)); | ||||
2081 | return SemaRef.BuildCXXDefaultArgExpr( | ||||
2082 | E->getUsedLocation(), cast<FunctionDecl>(E->getParam()->getDeclContext()), | ||||
2083 | E->getParam()); | ||||
2084 | } | ||||
2085 | |||||
2086 | template<typename Fn> | ||||
2087 | QualType TemplateInstantiator::TransformFunctionProtoType(TypeLocBuilder &TLB, | ||||
2088 | FunctionProtoTypeLoc TL, | ||||
2089 | CXXRecordDecl *ThisContext, | ||||
2090 | Qualifiers ThisTypeQuals, | ||||
2091 | Fn TransformExceptionSpec) { | ||||
2092 | // We need a local instantiation scope for this function prototype. | ||||
2093 | LocalInstantiationScope Scope(SemaRef, /*CombineWithOuterScope=*/true); | ||||
2094 | return inherited::TransformFunctionProtoType( | ||||
2095 | TLB, TL, ThisContext, ThisTypeQuals, TransformExceptionSpec); | ||||
2096 | } | ||||
2097 | |||||
2098 | ParmVarDecl *TemplateInstantiator::TransformFunctionTypeParam( | ||||
2099 | ParmVarDecl *OldParm, int indexAdjustment, | ||||
2100 | std::optional<unsigned> NumExpansions, bool ExpectParameterPack) { | ||||
2101 | auto NewParm = SemaRef.SubstParmVarDecl( | ||||
2102 | OldParm, TemplateArgs, indexAdjustment, NumExpansions, | ||||
2103 | ExpectParameterPack, EvaluateConstraints); | ||||
2104 | if (NewParm && SemaRef.getLangOpts().OpenCL) | ||||
2105 | SemaRef.deduceOpenCLAddressSpace(NewParm); | ||||
2106 | return NewParm; | ||||
2107 | } | ||||
2108 | |||||
2109 | QualType TemplateInstantiator::BuildSubstTemplateTypeParmType( | ||||
2110 | TypeLocBuilder &TLB, bool SuppressObjCLifetime, bool Final, | ||||
2111 | Decl *AssociatedDecl, unsigned Index, std::optional<unsigned> PackIndex, | ||||
2112 | TemplateArgument Arg, SourceLocation NameLoc) { | ||||
2113 | QualType Replacement = Arg.getAsType(); | ||||
2114 | |||||
2115 | // If the template parameter had ObjC lifetime qualifiers, | ||||
2116 | // then any such qualifiers on the replacement type are ignored. | ||||
2117 | if (SuppressObjCLifetime) { | ||||
2118 | Qualifiers RQs; | ||||
2119 | RQs = Replacement.getQualifiers(); | ||||
2120 | RQs.removeObjCLifetime(); | ||||
2121 | Replacement = | ||||
2122 | SemaRef.Context.getQualifiedType(Replacement.getUnqualifiedType(), RQs); | ||||
2123 | } | ||||
2124 | |||||
2125 | if (Final) { | ||||
2126 | TLB.pushTrivial(SemaRef.Context, Replacement, NameLoc); | ||||
2127 | return Replacement; | ||||
2128 | } | ||||
2129 | // TODO: only do this uniquing once, at the start of instantiation. | ||||
2130 | QualType Result = getSema().Context.getSubstTemplateTypeParmType( | ||||
2131 | Replacement, AssociatedDecl, Index, PackIndex); | ||||
2132 | SubstTemplateTypeParmTypeLoc NewTL = | ||||
2133 | TLB.push<SubstTemplateTypeParmTypeLoc>(Result); | ||||
2134 | NewTL.setNameLoc(NameLoc); | ||||
2135 | return Result; | ||||
2136 | } | ||||
2137 | |||||
2138 | QualType | ||||
2139 | TemplateInstantiator::TransformTemplateTypeParmType(TypeLocBuilder &TLB, | ||||
2140 | TemplateTypeParmTypeLoc TL, | ||||
2141 | bool SuppressObjCLifetime) { | ||||
2142 | const TemplateTypeParmType *T = TL.getTypePtr(); | ||||
2143 | if (T->getDepth() < TemplateArgs.getNumLevels()) { | ||||
2144 | // Replace the template type parameter with its corresponding | ||||
2145 | // template argument. | ||||
2146 | |||||
2147 | // If the corresponding template argument is NULL or doesn't exist, it's | ||||
2148 | // because we are performing instantiation from explicitly-specified | ||||
2149 | // template arguments in a function template class, but there were some | ||||
2150 | // arguments left unspecified. | ||||
2151 | if (!TemplateArgs.hasTemplateArgument(T->getDepth(), T->getIndex())) { | ||||
2152 | TemplateTypeParmTypeLoc NewTL | ||||
2153 | = TLB.push<TemplateTypeParmTypeLoc>(TL.getType()); | ||||
2154 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
2155 | return TL.getType(); | ||||
2156 | } | ||||
2157 | |||||
2158 | TemplateArgument Arg = TemplateArgs(T->getDepth(), T->getIndex()); | ||||
2159 | |||||
2160 | if (TemplateArgs.isRewrite()) { | ||||
2161 | // We're rewriting the template parameter as a reference to another | ||||
2162 | // template parameter. | ||||
2163 | if (Arg.getKind() == TemplateArgument::Pack) { | ||||
2164 | assert(Arg.pack_size() == 1 && Arg.pack_begin()->isPackExpansion() &&(static_cast <bool> (Arg.pack_size() == 1 && Arg .pack_begin()->isPackExpansion() && "unexpected pack arguments in template rewrite" ) ? void (0) : __assert_fail ("Arg.pack_size() == 1 && Arg.pack_begin()->isPackExpansion() && \"unexpected pack arguments in template rewrite\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2165, __extension__ __PRETTY_FUNCTION__)) | ||||
2165 | "unexpected pack arguments in template rewrite")(static_cast <bool> (Arg.pack_size() == 1 && Arg .pack_begin()->isPackExpansion() && "unexpected pack arguments in template rewrite" ) ? void (0) : __assert_fail ("Arg.pack_size() == 1 && Arg.pack_begin()->isPackExpansion() && \"unexpected pack arguments in template rewrite\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2165, __extension__ __PRETTY_FUNCTION__)); | ||||
2166 | Arg = Arg.pack_begin()->getPackExpansionPattern(); | ||||
2167 | } | ||||
2168 | assert(Arg.getKind() == TemplateArgument::Type &&(static_cast <bool> (Arg.getKind() == TemplateArgument:: Type && "unexpected nontype template argument kind in template rewrite" ) ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Type && \"unexpected nontype template argument kind in template rewrite\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2169, __extension__ __PRETTY_FUNCTION__)) | ||||
2169 | "unexpected nontype template argument kind in template rewrite")(static_cast <bool> (Arg.getKind() == TemplateArgument:: Type && "unexpected nontype template argument kind in template rewrite" ) ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Type && \"unexpected nontype template argument kind in template rewrite\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2169, __extension__ __PRETTY_FUNCTION__)); | ||||
2170 | QualType NewT = Arg.getAsType(); | ||||
2171 | assert(isa<TemplateTypeParmType>(NewT) &&(static_cast <bool> (isa<TemplateTypeParmType>(NewT ) && "type parm not rewritten to type parm") ? void ( 0) : __assert_fail ("isa<TemplateTypeParmType>(NewT) && \"type parm not rewritten to type parm\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2172, __extension__ __PRETTY_FUNCTION__)) | ||||
2172 | "type parm not rewritten to type parm")(static_cast <bool> (isa<TemplateTypeParmType>(NewT ) && "type parm not rewritten to type parm") ? void ( 0) : __assert_fail ("isa<TemplateTypeParmType>(NewT) && \"type parm not rewritten to type parm\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2172, __extension__ __PRETTY_FUNCTION__)); | ||||
2173 | auto NewTL = TLB.push<TemplateTypeParmTypeLoc>(NewT); | ||||
2174 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
2175 | return NewT; | ||||
2176 | } | ||||
2177 | |||||
2178 | auto [AssociatedDecl, Final] = | ||||
2179 | TemplateArgs.getAssociatedDecl(T->getDepth()); | ||||
2180 | std::optional<unsigned> PackIndex; | ||||
2181 | if (T->isParameterPack()) { | ||||
2182 | assert(Arg.getKind() == TemplateArgument::Pack &&(static_cast <bool> (Arg.getKind() == TemplateArgument:: Pack && "Missing argument pack") ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Pack && \"Missing argument pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2183, __extension__ __PRETTY_FUNCTION__)) | ||||
2183 | "Missing argument pack")(static_cast <bool> (Arg.getKind() == TemplateArgument:: Pack && "Missing argument pack") ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Pack && \"Missing argument pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2183, __extension__ __PRETTY_FUNCTION__)); | ||||
2184 | |||||
2185 | if (getSema().ArgumentPackSubstitutionIndex == -1) { | ||||
2186 | // We have the template argument pack, but we're not expanding the | ||||
2187 | // enclosing pack expansion yet. Just save the template argument | ||||
2188 | // pack for later substitution. | ||||
2189 | QualType Result = getSema().Context.getSubstTemplateTypeParmPackType( | ||||
2190 | AssociatedDecl, T->getIndex(), Final, Arg); | ||||
2191 | SubstTemplateTypeParmPackTypeLoc NewTL | ||||
2192 | = TLB.push<SubstTemplateTypeParmPackTypeLoc>(Result); | ||||
2193 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
2194 | return Result; | ||||
2195 | } | ||||
2196 | |||||
2197 | // PackIndex starts from last element. | ||||
2198 | PackIndex = getPackIndex(Arg); | ||||
2199 | Arg = getPackSubstitutedTemplateArgument(getSema(), Arg); | ||||
2200 | } | ||||
2201 | |||||
2202 | assert(Arg.getKind() == TemplateArgument::Type &&(static_cast <bool> (Arg.getKind() == TemplateArgument:: Type && "Template argument kind mismatch") ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Type && \"Template argument kind mismatch\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2203, __extension__ __PRETTY_FUNCTION__)) | ||||
2203 | "Template argument kind mismatch")(static_cast <bool> (Arg.getKind() == TemplateArgument:: Type && "Template argument kind mismatch") ? void (0) : __assert_fail ("Arg.getKind() == TemplateArgument::Type && \"Template argument kind mismatch\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2203, __extension__ __PRETTY_FUNCTION__)); | ||||
2204 | |||||
2205 | return BuildSubstTemplateTypeParmType(TLB, SuppressObjCLifetime, Final, | ||||
2206 | AssociatedDecl, T->getIndex(), | ||||
2207 | PackIndex, Arg, TL.getNameLoc()); | ||||
2208 | } | ||||
2209 | |||||
2210 | // The template type parameter comes from an inner template (e.g., | ||||
2211 | // the template parameter list of a member template inside the | ||||
2212 | // template we are instantiating). Create a new template type | ||||
2213 | // parameter with the template "level" reduced by one. | ||||
2214 | TemplateTypeParmDecl *NewTTPDecl = nullptr; | ||||
2215 | if (TemplateTypeParmDecl *OldTTPDecl = T->getDecl()) | ||||
2216 | NewTTPDecl = cast_or_null<TemplateTypeParmDecl>( | ||||
2217 | TransformDecl(TL.getNameLoc(), OldTTPDecl)); | ||||
2218 | QualType Result = getSema().Context.getTemplateTypeParmType( | ||||
2219 | T->getDepth() - TemplateArgs.getNumSubstitutedLevels(), T->getIndex(), | ||||
2220 | T->isParameterPack(), NewTTPDecl); | ||||
2221 | TemplateTypeParmTypeLoc NewTL = TLB.push<TemplateTypeParmTypeLoc>(Result); | ||||
2222 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
2223 | return Result; | ||||
2224 | } | ||||
2225 | |||||
2226 | QualType TemplateInstantiator::TransformSubstTemplateTypeParmPackType( | ||||
2227 | TypeLocBuilder &TLB, SubstTemplateTypeParmPackTypeLoc TL, | ||||
2228 | bool SuppressObjCLifetime) { | ||||
2229 | const SubstTemplateTypeParmPackType *T = TL.getTypePtr(); | ||||
2230 | |||||
2231 | Decl *NewReplaced = TransformDecl(TL.getNameLoc(), T->getAssociatedDecl()); | ||||
2232 | |||||
2233 | if (getSema().ArgumentPackSubstitutionIndex == -1) { | ||||
2234 | // We aren't expanding the parameter pack, so just return ourselves. | ||||
2235 | QualType Result = TL.getType(); | ||||
2236 | if (NewReplaced != T->getAssociatedDecl()) | ||||
2237 | Result = getSema().Context.getSubstTemplateTypeParmPackType( | ||||
2238 | NewReplaced, T->getIndex(), T->getFinal(), T->getArgumentPack()); | ||||
2239 | SubstTemplateTypeParmPackTypeLoc NewTL = | ||||
2240 | TLB.push<SubstTemplateTypeParmPackTypeLoc>(Result); | ||||
2241 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
2242 | return Result; | ||||
2243 | } | ||||
2244 | |||||
2245 | TemplateArgument Pack = T->getArgumentPack(); | ||||
2246 | TemplateArgument Arg = getPackSubstitutedTemplateArgument(getSema(), Pack); | ||||
2247 | return BuildSubstTemplateTypeParmType( | ||||
2248 | TLB, SuppressObjCLifetime, T->getFinal(), NewReplaced, T->getIndex(), | ||||
2249 | getPackIndex(Pack), Arg, TL.getNameLoc()); | ||||
2250 | } | ||||
2251 | |||||
2252 | template<typename EntityPrinter> | ||||
2253 | static concepts::Requirement::SubstitutionDiagnostic * | ||||
2254 | createSubstDiag(Sema &S, TemplateDeductionInfo &Info, EntityPrinter Printer) { | ||||
2255 | SmallString<128> Message; | ||||
2256 | SourceLocation ErrorLoc; | ||||
2257 | if (Info.hasSFINAEDiagnostic()) { | ||||
2258 | PartialDiagnosticAt PDA(SourceLocation(), | ||||
2259 | PartialDiagnostic::NullDiagnostic{}); | ||||
2260 | Info.takeSFINAEDiagnostic(PDA); | ||||
2261 | PDA.second.EmitToString(S.getDiagnostics(), Message); | ||||
2262 | ErrorLoc = PDA.first; | ||||
2263 | } else { | ||||
2264 | ErrorLoc = Info.getLocation(); | ||||
2265 | } | ||||
2266 | char *MessageBuf = new (S.Context) char[Message.size()]; | ||||
2267 | std::copy(Message.begin(), Message.end(), MessageBuf); | ||||
2268 | SmallString<128> Entity; | ||||
2269 | llvm::raw_svector_ostream OS(Entity); | ||||
2270 | Printer(OS); | ||||
2271 | char *EntityBuf = new (S.Context) char[Entity.size()]; | ||||
2272 | std::copy(Entity.begin(), Entity.end(), EntityBuf); | ||||
2273 | return new (S.Context) concepts::Requirement::SubstitutionDiagnostic{ | ||||
2274 | StringRef(EntityBuf, Entity.size()), ErrorLoc, | ||||
2275 | StringRef(MessageBuf, Message.size())}; | ||||
2276 | } | ||||
2277 | |||||
2278 | ExprResult TemplateInstantiator::TransformRequiresTypeParams( | ||||
2279 | SourceLocation KWLoc, SourceLocation RBraceLoc, const RequiresExpr *RE, | ||||
2280 | RequiresExprBodyDecl *Body, ArrayRef<ParmVarDecl *> Params, | ||||
2281 | SmallVectorImpl<QualType> &PTypes, | ||||
2282 | SmallVectorImpl<ParmVarDecl *> &TransParams, | ||||
2283 | Sema::ExtParameterInfoBuilder &PInfos) { | ||||
2284 | |||||
2285 | TemplateDeductionInfo Info(KWLoc); | ||||
2286 | Sema::InstantiatingTemplate TypeInst(SemaRef, KWLoc, | ||||
2287 | RE, Info, | ||||
2288 | SourceRange{KWLoc, RBraceLoc}); | ||||
2289 | Sema::SFINAETrap Trap(SemaRef); | ||||
2290 | |||||
2291 | unsigned ErrorIdx; | ||||
2292 | if (getDerived().TransformFunctionTypeParams( | ||||
2293 | KWLoc, Params, /*ParamTypes=*/nullptr, /*ParamInfos=*/nullptr, PTypes, | ||||
2294 | &TransParams, PInfos, &ErrorIdx) || | ||||
2295 | Trap.hasErrorOccurred()) { | ||||
2296 | SmallVector<concepts::Requirement *, 4> TransReqs; | ||||
2297 | ParmVarDecl *FailedDecl = Params[ErrorIdx]; | ||||
2298 | // Add a 'failed' Requirement to contain the error that caused the failure | ||||
2299 | // here. | ||||
2300 | TransReqs.push_back(RebuildTypeRequirement(createSubstDiag( | ||||
2301 | SemaRef, Info, [&](llvm::raw_ostream &OS) { OS << *FailedDecl; }))); | ||||
2302 | return getDerived().RebuildRequiresExpr(KWLoc, Body, TransParams, TransReqs, | ||||
2303 | RBraceLoc); | ||||
2304 | } | ||||
2305 | |||||
2306 | return ExprResult{}; | ||||
2307 | } | ||||
2308 | |||||
2309 | concepts::TypeRequirement * | ||||
2310 | TemplateInstantiator::TransformTypeRequirement(concepts::TypeRequirement *Req) { | ||||
2311 | if (!Req->isDependent() && !AlwaysRebuild()) | ||||
2312 | return Req; | ||||
2313 | if (Req->isSubstitutionFailure()) { | ||||
2314 | if (AlwaysRebuild()) | ||||
2315 | return RebuildTypeRequirement( | ||||
2316 | Req->getSubstitutionDiagnostic()); | ||||
2317 | return Req; | ||||
2318 | } | ||||
2319 | |||||
2320 | Sema::SFINAETrap Trap(SemaRef); | ||||
2321 | TemplateDeductionInfo Info(Req->getType()->getTypeLoc().getBeginLoc()); | ||||
2322 | Sema::InstantiatingTemplate TypeInst(SemaRef, | ||||
2323 | Req->getType()->getTypeLoc().getBeginLoc(), Req, Info, | ||||
2324 | Req->getType()->getTypeLoc().getSourceRange()); | ||||
2325 | if (TypeInst.isInvalid()) | ||||
2326 | return nullptr; | ||||
2327 | TypeSourceInfo *TransType = TransformType(Req->getType()); | ||||
2328 | if (!TransType || Trap.hasErrorOccurred()) | ||||
2329 | return RebuildTypeRequirement(createSubstDiag(SemaRef, Info, | ||||
2330 | [&] (llvm::raw_ostream& OS) { | ||||
2331 | Req->getType()->getType().print(OS, SemaRef.getPrintingPolicy()); | ||||
2332 | })); | ||||
2333 | return RebuildTypeRequirement(TransType); | ||||
2334 | } | ||||
2335 | |||||
2336 | concepts::ExprRequirement * | ||||
2337 | TemplateInstantiator::TransformExprRequirement(concepts::ExprRequirement *Req) { | ||||
2338 | if (!Req->isDependent() && !AlwaysRebuild()) | ||||
2339 | return Req; | ||||
2340 | |||||
2341 | Sema::SFINAETrap Trap(SemaRef); | ||||
2342 | |||||
2343 | llvm::PointerUnion<Expr *, concepts::Requirement::SubstitutionDiagnostic *> | ||||
2344 | TransExpr; | ||||
2345 | if (Req->isExprSubstitutionFailure()) | ||||
2346 | TransExpr = Req->getExprSubstitutionDiagnostic(); | ||||
2347 | else { | ||||
2348 | Expr *E = Req->getExpr(); | ||||
2349 | TemplateDeductionInfo Info(E->getBeginLoc()); | ||||
2350 | Sema::InstantiatingTemplate ExprInst(SemaRef, E->getBeginLoc(), Req, Info, | ||||
2351 | E->getSourceRange()); | ||||
2352 | if (ExprInst.isInvalid()) | ||||
2353 | return nullptr; | ||||
2354 | ExprResult TransExprRes = TransformExpr(E); | ||||
2355 | if (!TransExprRes.isInvalid() && !Trap.hasErrorOccurred() && | ||||
2356 | TransExprRes.get()->hasPlaceholderType()) | ||||
2357 | TransExprRes = SemaRef.CheckPlaceholderExpr(TransExprRes.get()); | ||||
2358 | if (TransExprRes.isInvalid() || Trap.hasErrorOccurred()) | ||||
2359 | TransExpr = createSubstDiag(SemaRef, Info, [&](llvm::raw_ostream &OS) { | ||||
2360 | E->printPretty(OS, nullptr, SemaRef.getPrintingPolicy()); | ||||
2361 | }); | ||||
2362 | else | ||||
2363 | TransExpr = TransExprRes.get(); | ||||
2364 | } | ||||
2365 | |||||
2366 | std::optional<concepts::ExprRequirement::ReturnTypeRequirement> TransRetReq; | ||||
2367 | const auto &RetReq = Req->getReturnTypeRequirement(); | ||||
2368 | if (RetReq.isEmpty()) | ||||
2369 | TransRetReq.emplace(); | ||||
2370 | else if (RetReq.isSubstitutionFailure()) | ||||
2371 | TransRetReq.emplace(RetReq.getSubstitutionDiagnostic()); | ||||
2372 | else if (RetReq.isTypeConstraint()) { | ||||
2373 | TemplateParameterList *OrigTPL = | ||||
2374 | RetReq.getTypeConstraintTemplateParameterList(); | ||||
2375 | TemplateDeductionInfo Info(OrigTPL->getTemplateLoc()); | ||||
2376 | Sema::InstantiatingTemplate TPLInst(SemaRef, OrigTPL->getTemplateLoc(), | ||||
2377 | Req, Info, OrigTPL->getSourceRange()); | ||||
2378 | if (TPLInst.isInvalid()) | ||||
2379 | return nullptr; | ||||
2380 | TemplateParameterList *TPL = TransformTemplateParameterList(OrigTPL); | ||||
2381 | if (!TPL) | ||||
2382 | TransRetReq.emplace(createSubstDiag(SemaRef, Info, | ||||
2383 | [&] (llvm::raw_ostream& OS) { | ||||
2384 | RetReq.getTypeConstraint()->getImmediatelyDeclaredConstraint() | ||||
2385 | ->printPretty(OS, nullptr, SemaRef.getPrintingPolicy()); | ||||
2386 | })); | ||||
2387 | else { | ||||
2388 | TPLInst.Clear(); | ||||
2389 | TransRetReq.emplace(TPL); | ||||
2390 | } | ||||
2391 | } | ||||
2392 | assert(TransRetReq && "All code paths leading here must set TransRetReq")(static_cast <bool> (TransRetReq && "All code paths leading here must set TransRetReq" ) ? void (0) : __assert_fail ("TransRetReq && \"All code paths leading here must set TransRetReq\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2392, __extension__ __PRETTY_FUNCTION__)); | ||||
2393 | if (Expr *E = TransExpr.dyn_cast<Expr *>()) | ||||
2394 | return RebuildExprRequirement(E, Req->isSimple(), Req->getNoexceptLoc(), | ||||
2395 | std::move(*TransRetReq)); | ||||
2396 | return RebuildExprRequirement( | ||||
2397 | TransExpr.get<concepts::Requirement::SubstitutionDiagnostic *>(), | ||||
2398 | Req->isSimple(), Req->getNoexceptLoc(), std::move(*TransRetReq)); | ||||
2399 | } | ||||
2400 | |||||
2401 | concepts::NestedRequirement * | ||||
2402 | TemplateInstantiator::TransformNestedRequirement( | ||||
2403 | concepts::NestedRequirement *Req) { | ||||
2404 | if (!Req->isDependent() && !AlwaysRebuild()) | ||||
2405 | return Req; | ||||
2406 | if (Req->hasInvalidConstraint()) { | ||||
2407 | if (AlwaysRebuild()) | ||||
2408 | return RebuildNestedRequirement(Req->getInvalidConstraintEntity(), | ||||
2409 | Req->getConstraintSatisfaction()); | ||||
2410 | return Req; | ||||
2411 | } | ||||
2412 | Sema::InstantiatingTemplate ReqInst(SemaRef, | ||||
2413 | Req->getConstraintExpr()->getBeginLoc(), Req, | ||||
2414 | Sema::InstantiatingTemplate::ConstraintsCheck{}, | ||||
2415 | Req->getConstraintExpr()->getSourceRange()); | ||||
2416 | |||||
2417 | ExprResult TransConstraint; | ||||
2418 | ConstraintSatisfaction Satisfaction; | ||||
2419 | TemplateDeductionInfo Info(Req->getConstraintExpr()->getBeginLoc()); | ||||
2420 | { | ||||
2421 | EnterExpressionEvaluationContext ContextRAII( | ||||
2422 | SemaRef, Sema::ExpressionEvaluationContext::ConstantEvaluated); | ||||
2423 | Sema::SFINAETrap Trap(SemaRef); | ||||
2424 | Sema::InstantiatingTemplate ConstrInst(SemaRef, | ||||
2425 | Req->getConstraintExpr()->getBeginLoc(), Req, Info, | ||||
2426 | Req->getConstraintExpr()->getSourceRange()); | ||||
2427 | if (ConstrInst.isInvalid()) | ||||
2428 | return nullptr; | ||||
2429 | llvm::SmallVector<Expr *> Result; | ||||
2430 | if (!SemaRef.CheckConstraintSatisfaction( | ||||
2431 | nullptr, {Req->getConstraintExpr()}, Result, TemplateArgs, | ||||
2432 | Req->getConstraintExpr()->getSourceRange(), Satisfaction) && | ||||
2433 | !Result.empty()) | ||||
2434 | TransConstraint = Result[0]; | ||||
2435 | assert(!Trap.hasErrorOccurred() && "Substitution failures must be handled "(static_cast <bool> (!Trap.hasErrorOccurred() && "Substitution failures must be handled " "by CheckConstraintSatisfaction." ) ? void (0) : __assert_fail ("!Trap.hasErrorOccurred() && \"Substitution failures must be handled \" \"by CheckConstraintSatisfaction.\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2436, __extension__ __PRETTY_FUNCTION__)) | ||||
2436 | "by CheckConstraintSatisfaction.")(static_cast <bool> (!Trap.hasErrorOccurred() && "Substitution failures must be handled " "by CheckConstraintSatisfaction." ) ? void (0) : __assert_fail ("!Trap.hasErrorOccurred() && \"Substitution failures must be handled \" \"by CheckConstraintSatisfaction.\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2436, __extension__ __PRETTY_FUNCTION__)); | ||||
2437 | } | ||||
2438 | if (TransConstraint.isUsable() && | ||||
2439 | TransConstraint.get()->isInstantiationDependent()) | ||||
2440 | return new (SemaRef.Context) | ||||
2441 | concepts::NestedRequirement(TransConstraint.get()); | ||||
2442 | if (TransConstraint.isInvalid() || !TransConstraint.get() || | ||||
2443 | Satisfaction.HasSubstitutionFailure()) { | ||||
2444 | SmallString<128> Entity; | ||||
2445 | llvm::raw_svector_ostream OS(Entity); | ||||
2446 | Req->getConstraintExpr()->printPretty(OS, nullptr, | ||||
2447 | SemaRef.getPrintingPolicy()); | ||||
2448 | char *EntityBuf = new (SemaRef.Context) char[Entity.size()]; | ||||
2449 | std::copy(Entity.begin(), Entity.end(), EntityBuf); | ||||
2450 | return new (SemaRef.Context) concepts::NestedRequirement( | ||||
2451 | SemaRef.Context, StringRef(EntityBuf, Entity.size()), Satisfaction); | ||||
2452 | } | ||||
2453 | return new (SemaRef.Context) concepts::NestedRequirement( | ||||
2454 | SemaRef.Context, TransConstraint.get(), Satisfaction); | ||||
2455 | } | ||||
2456 | |||||
2457 | |||||
2458 | /// Perform substitution on the type T with a given set of template | ||||
2459 | /// arguments. | ||||
2460 | /// | ||||
2461 | /// This routine substitutes the given template arguments into the | ||||
2462 | /// type T and produces the instantiated type. | ||||
2463 | /// | ||||
2464 | /// \param T the type into which the template arguments will be | ||||
2465 | /// substituted. If this type is not dependent, it will be returned | ||||
2466 | /// immediately. | ||||
2467 | /// | ||||
2468 | /// \param Args the template arguments that will be | ||||
2469 | /// substituted for the top-level template parameters within T. | ||||
2470 | /// | ||||
2471 | /// \param Loc the location in the source code where this substitution | ||||
2472 | /// is being performed. It will typically be the location of the | ||||
2473 | /// declarator (if we're instantiating the type of some declaration) | ||||
2474 | /// or the location of the type in the source code (if, e.g., we're | ||||
2475 | /// instantiating the type of a cast expression). | ||||
2476 | /// | ||||
2477 | /// \param Entity the name of the entity associated with a declaration | ||||
2478 | /// being instantiated (if any). May be empty to indicate that there | ||||
2479 | /// is no such entity (if, e.g., this is a type that occurs as part of | ||||
2480 | /// a cast expression) or that the entity has no name (e.g., an | ||||
2481 | /// unnamed function parameter). | ||||
2482 | /// | ||||
2483 | /// \param AllowDeducedTST Whether a DeducedTemplateSpecializationType is | ||||
2484 | /// acceptable as the top level type of the result. | ||||
2485 | /// | ||||
2486 | /// \returns If the instantiation succeeds, the instantiated | ||||
2487 | /// type. Otherwise, produces diagnostics and returns a NULL type. | ||||
2488 | TypeSourceInfo *Sema::SubstType(TypeSourceInfo *T, | ||||
2489 | const MultiLevelTemplateArgumentList &Args, | ||||
2490 | SourceLocation Loc, | ||||
2491 | DeclarationName Entity, | ||||
2492 | bool AllowDeducedTST) { | ||||
2493 | assert(!CodeSynthesisContexts.empty() &&(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2495, __extension__ __PRETTY_FUNCTION__)) | ||||
2494 | "Cannot perform an instantiation without some context on the "(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2495, __extension__ __PRETTY_FUNCTION__)) | ||||
2495 | "instantiation stack")(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2495, __extension__ __PRETTY_FUNCTION__)); | ||||
2496 | |||||
2497 | if (!T->getType()->isInstantiationDependentType() && | ||||
2498 | !T->getType()->isVariablyModifiedType()) | ||||
2499 | return T; | ||||
2500 | |||||
2501 | TemplateInstantiator Instantiator(*this, Args, Loc, Entity); | ||||
2502 | return AllowDeducedTST ? Instantiator.TransformTypeWithDeducedTST(T) | ||||
2503 | : Instantiator.TransformType(T); | ||||
2504 | } | ||||
2505 | |||||
2506 | TypeSourceInfo *Sema::SubstType(TypeLoc TL, | ||||
2507 | const MultiLevelTemplateArgumentList &Args, | ||||
2508 | SourceLocation Loc, | ||||
2509 | DeclarationName Entity) { | ||||
2510 | assert(!CodeSynthesisContexts.empty() &&(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2512, __extension__ __PRETTY_FUNCTION__)) | ||||
2511 | "Cannot perform an instantiation without some context on the "(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2512, __extension__ __PRETTY_FUNCTION__)) | ||||
2512 | "instantiation stack")(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2512, __extension__ __PRETTY_FUNCTION__)); | ||||
2513 | |||||
2514 | if (TL.getType().isNull()) | ||||
2515 | return nullptr; | ||||
2516 | |||||
2517 | if (!TL.getType()->isInstantiationDependentType() && | ||||
2518 | !TL.getType()->isVariablyModifiedType()) { | ||||
2519 | // FIXME: Make a copy of the TypeLoc data here, so that we can | ||||
2520 | // return a new TypeSourceInfo. Inefficient! | ||||
2521 | TypeLocBuilder TLB; | ||||
2522 | TLB.pushFullCopy(TL); | ||||
2523 | return TLB.getTypeSourceInfo(Context, TL.getType()); | ||||
2524 | } | ||||
2525 | |||||
2526 | TemplateInstantiator Instantiator(*this, Args, Loc, Entity); | ||||
2527 | TypeLocBuilder TLB; | ||||
2528 | TLB.reserve(TL.getFullDataSize()); | ||||
2529 | QualType Result = Instantiator.TransformType(TLB, TL); | ||||
2530 | if (Result.isNull()) | ||||
2531 | return nullptr; | ||||
2532 | |||||
2533 | return TLB.getTypeSourceInfo(Context, Result); | ||||
2534 | } | ||||
2535 | |||||
2536 | /// Deprecated form of the above. | ||||
2537 | QualType Sema::SubstType(QualType T, | ||||
2538 | const MultiLevelTemplateArgumentList &TemplateArgs, | ||||
2539 | SourceLocation Loc, DeclarationName Entity) { | ||||
2540 | assert(!CodeSynthesisContexts.empty() &&(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2542, __extension__ __PRETTY_FUNCTION__)) | ||||
2541 | "Cannot perform an instantiation without some context on the "(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2542, __extension__ __PRETTY_FUNCTION__)) | ||||
2542 | "instantiation stack")(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2542, __extension__ __PRETTY_FUNCTION__)); | ||||
2543 | |||||
2544 | // If T is not a dependent type or a variably-modified type, there | ||||
2545 | // is nothing to do. | ||||
2546 | if (!T->isInstantiationDependentType() && !T->isVariablyModifiedType()) | ||||
2547 | return T; | ||||
2548 | |||||
2549 | TemplateInstantiator Instantiator(*this, TemplateArgs, Loc, Entity); | ||||
2550 | return Instantiator.TransformType(T); | ||||
2551 | } | ||||
2552 | |||||
2553 | static bool NeedsInstantiationAsFunctionType(TypeSourceInfo *T) { | ||||
2554 | if (T->getType()->isInstantiationDependentType() || | ||||
2555 | T->getType()->isVariablyModifiedType()) | ||||
2556 | return true; | ||||
2557 | |||||
2558 | TypeLoc TL = T->getTypeLoc().IgnoreParens(); | ||||
2559 | if (!TL.getAs<FunctionProtoTypeLoc>()) | ||||
2560 | return false; | ||||
2561 | |||||
2562 | FunctionProtoTypeLoc FP = TL.castAs<FunctionProtoTypeLoc>(); | ||||
2563 | for (ParmVarDecl *P : FP.getParams()) { | ||||
2564 | // This must be synthesized from a typedef. | ||||
2565 | if (!P) continue; | ||||
2566 | |||||
2567 | // If there are any parameters, a new TypeSourceInfo that refers to the | ||||
2568 | // instantiated parameters must be built. | ||||
2569 | return true; | ||||
2570 | } | ||||
2571 | |||||
2572 | return false; | ||||
2573 | } | ||||
2574 | |||||
2575 | /// A form of SubstType intended specifically for instantiating the | ||||
2576 | /// type of a FunctionDecl. Its purpose is solely to force the | ||||
2577 | /// instantiation of default-argument expressions and to avoid | ||||
2578 | /// instantiating an exception-specification. | ||||
2579 | TypeSourceInfo *Sema::SubstFunctionDeclType(TypeSourceInfo *T, | ||||
2580 | const MultiLevelTemplateArgumentList &Args, | ||||
2581 | SourceLocation Loc, | ||||
2582 | DeclarationName Entity, | ||||
2583 | CXXRecordDecl *ThisContext, | ||||
2584 | Qualifiers ThisTypeQuals, | ||||
2585 | bool EvaluateConstraints) { | ||||
2586 | assert(!CodeSynthesisContexts.empty() &&(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2588, __extension__ __PRETTY_FUNCTION__)) | ||||
2587 | "Cannot perform an instantiation without some context on the "(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2588, __extension__ __PRETTY_FUNCTION__)) | ||||
2588 | "instantiation stack")(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2588, __extension__ __PRETTY_FUNCTION__)); | ||||
2589 | |||||
2590 | if (!NeedsInstantiationAsFunctionType(T)) | ||||
2591 | return T; | ||||
2592 | |||||
2593 | TemplateInstantiator Instantiator(*this, Args, Loc, Entity); | ||||
2594 | Instantiator.setEvaluateConstraints(EvaluateConstraints); | ||||
2595 | |||||
2596 | TypeLocBuilder TLB; | ||||
2597 | |||||
2598 | TypeLoc TL = T->getTypeLoc(); | ||||
2599 | TLB.reserve(TL.getFullDataSize()); | ||||
2600 | |||||
2601 | QualType Result; | ||||
2602 | |||||
2603 | if (FunctionProtoTypeLoc Proto = | ||||
2604 | TL.IgnoreParens().getAs<FunctionProtoTypeLoc>()) { | ||||
2605 | // Instantiate the type, other than its exception specification. The | ||||
2606 | // exception specification is instantiated in InitFunctionInstantiation | ||||
2607 | // once we've built the FunctionDecl. | ||||
2608 | // FIXME: Set the exception specification to EST_Uninstantiated here, | ||||
2609 | // instead of rebuilding the function type again later. | ||||
2610 | Result = Instantiator.TransformFunctionProtoType( | ||||
2611 | TLB, Proto, ThisContext, ThisTypeQuals, | ||||
2612 | [](FunctionProtoType::ExceptionSpecInfo &ESI, | ||||
2613 | bool &Changed) { return false; }); | ||||
2614 | } else { | ||||
2615 | Result = Instantiator.TransformType(TLB, TL); | ||||
2616 | } | ||||
2617 | if (Result.isNull()) | ||||
2618 | return nullptr; | ||||
2619 | |||||
2620 | return TLB.getTypeSourceInfo(Context, Result); | ||||
2621 | } | ||||
2622 | |||||
2623 | bool Sema::SubstExceptionSpec(SourceLocation Loc, | ||||
2624 | FunctionProtoType::ExceptionSpecInfo &ESI, | ||||
2625 | SmallVectorImpl<QualType> &ExceptionStorage, | ||||
2626 | const MultiLevelTemplateArgumentList &Args) { | ||||
2627 | assert(ESI.Type != EST_Uninstantiated)(static_cast <bool> (ESI.Type != EST_Uninstantiated) ? void (0) : __assert_fail ("ESI.Type != EST_Uninstantiated", "clang/lib/Sema/SemaTemplateInstantiate.cpp" , 2627, __extension__ __PRETTY_FUNCTION__)); | ||||
2628 | |||||
2629 | bool Changed = false; | ||||
2630 | TemplateInstantiator Instantiator(*this, Args, Loc, DeclarationName()); | ||||
2631 | return Instantiator.TransformExceptionSpec(Loc, ESI, ExceptionStorage, | ||||
2632 | Changed); | ||||
2633 | } | ||||
2634 | |||||
2635 | void Sema::SubstExceptionSpec(FunctionDecl *New, const FunctionProtoType *Proto, | ||||
2636 | const MultiLevelTemplateArgumentList &Args) { | ||||
2637 | FunctionProtoType::ExceptionSpecInfo ESI = | ||||
2638 | Proto->getExtProtoInfo().ExceptionSpec; | ||||
2639 | |||||
2640 | SmallVector<QualType, 4> ExceptionStorage; | ||||
2641 | if (SubstExceptionSpec(New->getTypeSourceInfo()->getTypeLoc().getEndLoc(), | ||||
2642 | ESI, ExceptionStorage, Args)) | ||||
2643 | // On error, recover by dropping the exception specification. | ||||
2644 | ESI.Type = EST_None; | ||||
2645 | |||||
2646 | UpdateExceptionSpec(New, ESI); | ||||
2647 | } | ||||
2648 | |||||
2649 | namespace { | ||||
2650 | |||||
2651 | struct GetContainedInventedTypeParmVisitor : | ||||
2652 | public TypeVisitor<GetContainedInventedTypeParmVisitor, | ||||
2653 | TemplateTypeParmDecl *> { | ||||
2654 | using TypeVisitor<GetContainedInventedTypeParmVisitor, | ||||
2655 | TemplateTypeParmDecl *>::Visit; | ||||
2656 | |||||
2657 | TemplateTypeParmDecl *Visit(QualType T) { | ||||
2658 | if (T.isNull()) | ||||
2659 | return nullptr; | ||||
2660 | return Visit(T.getTypePtr()); | ||||
2661 | } | ||||
2662 | // The deduced type itself. | ||||
2663 | TemplateTypeParmDecl *VisitTemplateTypeParmType( | ||||
2664 | const TemplateTypeParmType *T) { | ||||
2665 | if (!T->getDecl() || !T->getDecl()->isImplicit()) | ||||
2666 | return nullptr; | ||||
2667 | return T->getDecl(); | ||||
2668 | } | ||||
2669 | |||||
2670 | // Only these types can contain 'auto' types, and subsequently be replaced | ||||
2671 | // by references to invented parameters. | ||||
2672 | |||||
2673 | TemplateTypeParmDecl *VisitElaboratedType(const ElaboratedType *T) { | ||||
2674 | return Visit(T->getNamedType()); | ||||
2675 | } | ||||
2676 | |||||
2677 | TemplateTypeParmDecl *VisitPointerType(const PointerType *T) { | ||||
2678 | return Visit(T->getPointeeType()); | ||||
2679 | } | ||||
2680 | |||||
2681 | TemplateTypeParmDecl *VisitBlockPointerType(const BlockPointerType *T) { | ||||
2682 | return Visit(T->getPointeeType()); | ||||
2683 | } | ||||
2684 | |||||
2685 | TemplateTypeParmDecl *VisitReferenceType(const ReferenceType *T) { | ||||
2686 | return Visit(T->getPointeeTypeAsWritten()); | ||||
2687 | } | ||||
2688 | |||||
2689 | TemplateTypeParmDecl *VisitMemberPointerType(const MemberPointerType *T) { | ||||
2690 | return Visit(T->getPointeeType()); | ||||
2691 | } | ||||
2692 | |||||
2693 | TemplateTypeParmDecl *VisitArrayType(const ArrayType *T) { | ||||
2694 | return Visit(T->getElementType()); | ||||
2695 | } | ||||
2696 | |||||
2697 | TemplateTypeParmDecl *VisitDependentSizedExtVectorType( | ||||
2698 | const DependentSizedExtVectorType *T) { | ||||
2699 | return Visit(T->getElementType()); | ||||
2700 | } | ||||
2701 | |||||
2702 | TemplateTypeParmDecl *VisitVectorType(const VectorType *T) { | ||||
2703 | return Visit(T->getElementType()); | ||||
2704 | } | ||||
2705 | |||||
2706 | TemplateTypeParmDecl *VisitFunctionProtoType(const FunctionProtoType *T) { | ||||
2707 | return VisitFunctionType(T); | ||||
2708 | } | ||||
2709 | |||||
2710 | TemplateTypeParmDecl *VisitFunctionType(const FunctionType *T) { | ||||
2711 | return Visit(T->getReturnType()); | ||||
2712 | } | ||||
2713 | |||||
2714 | TemplateTypeParmDecl *VisitParenType(const ParenType *T) { | ||||
2715 | return Visit(T->getInnerType()); | ||||
2716 | } | ||||
2717 | |||||
2718 | TemplateTypeParmDecl *VisitAttributedType(const AttributedType *T) { | ||||
2719 | return Visit(T->getModifiedType()); | ||||
2720 | } | ||||
2721 | |||||
2722 | TemplateTypeParmDecl *VisitMacroQualifiedType(const MacroQualifiedType *T) { | ||||
2723 | return Visit(T->getUnderlyingType()); | ||||
2724 | } | ||||
2725 | |||||
2726 | TemplateTypeParmDecl *VisitAdjustedType(const AdjustedType *T) { | ||||
2727 | return Visit(T->getOriginalType()); | ||||
2728 | } | ||||
2729 | |||||
2730 | TemplateTypeParmDecl *VisitPackExpansionType(const PackExpansionType *T) { | ||||
2731 | return Visit(T->getPattern()); | ||||
2732 | } | ||||
2733 | }; | ||||
2734 | |||||
2735 | } // namespace | ||||
2736 | |||||
2737 | bool Sema::SubstTypeConstraint( | ||||
2738 | TemplateTypeParmDecl *Inst, const TypeConstraint *TC, | ||||
2739 | const MultiLevelTemplateArgumentList &TemplateArgs, | ||||
2740 | bool EvaluateConstraints) { | ||||
2741 | const ASTTemplateArgumentListInfo *TemplArgInfo = | ||||
2742 | TC->getTemplateArgsAsWritten(); | ||||
2743 | |||||
2744 | if (!EvaluateConstraints) { | ||||
2745 | Inst->setTypeConstraint(TC->getNestedNameSpecifierLoc(), | ||||
2746 | TC->getConceptNameInfo(), TC->getNamedConcept(), | ||||
2747 | TC->getNamedConcept(), TemplArgInfo, | ||||
2748 | TC->getImmediatelyDeclaredConstraint()); | ||||
2749 | return false; | ||||
2750 | } | ||||
2751 | |||||
2752 | TemplateArgumentListInfo InstArgs; | ||||
2753 | |||||
2754 | if (TemplArgInfo) { | ||||
2755 | InstArgs.setLAngleLoc(TemplArgInfo->LAngleLoc); | ||||
2756 | InstArgs.setRAngleLoc(TemplArgInfo->RAngleLoc); | ||||
2757 | if (SubstTemplateArguments(TemplArgInfo->arguments(), TemplateArgs, | ||||
2758 | InstArgs)) | ||||
2759 | return true; | ||||
2760 | } | ||||
2761 | return AttachTypeConstraint( | ||||
2762 | TC->getNestedNameSpecifierLoc(), TC->getConceptNameInfo(), | ||||
2763 | TC->getNamedConcept(), &InstArgs, Inst, | ||||
2764 | Inst->isParameterPack() | ||||
2765 | ? cast<CXXFoldExpr>(TC->getImmediatelyDeclaredConstraint()) | ||||
2766 | ->getEllipsisLoc() | ||||
2767 | : SourceLocation()); | ||||
2768 | } | ||||
2769 | |||||
2770 | ParmVarDecl *Sema::SubstParmVarDecl( | ||||
2771 | ParmVarDecl *OldParm, const MultiLevelTemplateArgumentList &TemplateArgs, | ||||
2772 | int indexAdjustment, std::optional<unsigned> NumExpansions, | ||||
2773 | bool ExpectParameterPack, bool EvaluateConstraint) { | ||||
2774 | TypeSourceInfo *OldDI = OldParm->getTypeSourceInfo(); | ||||
2775 | TypeSourceInfo *NewDI = nullptr; | ||||
2776 | |||||
2777 | TypeLoc OldTL = OldDI->getTypeLoc(); | ||||
2778 | if (PackExpansionTypeLoc ExpansionTL = OldTL.getAs<PackExpansionTypeLoc>()) { | ||||
2779 | |||||
2780 | // We have a function parameter pack. Substitute into the pattern of the | ||||
2781 | // expansion. | ||||
2782 | NewDI = SubstType(ExpansionTL.getPatternLoc(), TemplateArgs, | ||||
2783 | OldParm->getLocation(), OldParm->getDeclName()); | ||||
2784 | if (!NewDI) | ||||
2785 | return nullptr; | ||||
2786 | |||||
2787 | if (NewDI->getType()->containsUnexpandedParameterPack()) { | ||||
2788 | // We still have unexpanded parameter packs, which means that | ||||
2789 | // our function parameter is still a function parameter pack. | ||||
2790 | // Therefore, make its type a pack expansion type. | ||||
2791 | NewDI = CheckPackExpansion(NewDI, ExpansionTL.getEllipsisLoc(), | ||||
2792 | NumExpansions); | ||||
2793 | } else if (ExpectParameterPack) { | ||||
2794 | // We expected to get a parameter pack but didn't (because the type | ||||
2795 | // itself is not a pack expansion type), so complain. This can occur when | ||||
2796 | // the substitution goes through an alias template that "loses" the | ||||
2797 | // pack expansion. | ||||
2798 | Diag(OldParm->getLocation(), | ||||
2799 | diag::err_function_parameter_pack_without_parameter_packs) | ||||
2800 | << NewDI->getType(); | ||||
2801 | return nullptr; | ||||
2802 | } | ||||
2803 | } else { | ||||
2804 | NewDI = SubstType(OldDI, TemplateArgs, OldParm->getLocation(), | ||||
2805 | OldParm->getDeclName()); | ||||
2806 | } | ||||
2807 | |||||
2808 | if (!NewDI) | ||||
2809 | return nullptr; | ||||
2810 | |||||
2811 | if (NewDI->getType()->isVoidType()) { | ||||
2812 | Diag(OldParm->getLocation(), diag::err_param_with_void_type); | ||||
2813 | return nullptr; | ||||
2814 | } | ||||
2815 | |||||
2816 | // In abbreviated templates, TemplateTypeParmDecls with possible | ||||
2817 | // TypeConstraints are created when the parameter list is originally parsed. | ||||
2818 | // The TypeConstraints can therefore reference other functions parameters in | ||||
2819 | // the abbreviated function template, which is why we must instantiate them | ||||
2820 | // here, when the instantiated versions of those referenced parameters are in | ||||
2821 | // scope. | ||||
2822 | if (TemplateTypeParmDecl *TTP = | ||||
2823 | GetContainedInventedTypeParmVisitor().Visit(OldDI->getType())) { | ||||
2824 | if (const TypeConstraint *TC = TTP->getTypeConstraint()) { | ||||
2825 | auto *Inst = cast_or_null<TemplateTypeParmDecl>( | ||||
2826 | FindInstantiatedDecl(TTP->getLocation(), TTP, TemplateArgs)); | ||||
2827 | // We will first get here when instantiating the abbreviated function | ||||
2828 | // template's described function, but we might also get here later. | ||||
2829 | // Make sure we do not instantiate the TypeConstraint more than once. | ||||
2830 | if (Inst && !Inst->getTypeConstraint()) { | ||||
2831 | if (SubstTypeConstraint(Inst, TC, TemplateArgs, EvaluateConstraint)) | ||||
2832 | return nullptr; | ||||
2833 | } | ||||
2834 | } | ||||
2835 | } | ||||
2836 | |||||
2837 | ParmVarDecl *NewParm = CheckParameter(Context.getTranslationUnitDecl(), | ||||
2838 | OldParm->getInnerLocStart(), | ||||
2839 | OldParm->getLocation(), | ||||
2840 | OldParm->getIdentifier(), | ||||
2841 | NewDI->getType(), NewDI, | ||||
2842 | OldParm->getStorageClass()); | ||||
2843 | if (!NewParm) | ||||
2844 | return nullptr; | ||||
2845 | |||||
2846 | // Mark the (new) default argument as uninstantiated (if any). | ||||
2847 | if (OldParm->hasUninstantiatedDefaultArg()) { | ||||
2848 | Expr *Arg = OldParm->getUninstantiatedDefaultArg(); | ||||
2849 | NewParm->setUninstantiatedDefaultArg(Arg); | ||||
2850 | } else if (OldParm->hasUnparsedDefaultArg()) { | ||||
2851 | NewParm->setUnparsedDefaultArg(); | ||||
2852 | UnparsedDefaultArgInstantiations[OldParm].push_back(NewParm); | ||||
2853 | } else if (Expr *Arg = OldParm->getDefaultArg()) { | ||||
2854 | // Default arguments cannot be substituted until the declaration context | ||||
2855 | // for the associated function or lambda capture class is available. | ||||
2856 | // This is necessary for cases like the following where construction of | ||||
2857 | // the lambda capture class for the outer lambda is dependent on the | ||||
2858 | // parameter types but where the default argument is dependent on the | ||||
2859 | // outer lambda's declaration context. | ||||
2860 | // template <typename T> | ||||
2861 | // auto f() { | ||||
2862 | // return [](T = []{ return T{}; }()) { return 0; }; | ||||
2863 | // } | ||||
2864 | NewParm->setUninstantiatedDefaultArg(Arg); | ||||
2865 | } | ||||
2866 | |||||
2867 | NewParm->setHasInheritedDefaultArg(OldParm->hasInheritedDefaultArg()); | ||||
2868 | |||||
2869 | if (OldParm->isParameterPack() && !NewParm->isParameterPack()) { | ||||
2870 | // Add the new parameter to the instantiated parameter pack. | ||||
2871 | CurrentInstantiationScope->InstantiatedLocalPackArg(OldParm, NewParm); | ||||
2872 | } else { | ||||
2873 | // Introduce an Old -> New mapping | ||||
2874 | CurrentInstantiationScope->InstantiatedLocal(OldParm, NewParm); | ||||
2875 | } | ||||
2876 | |||||
2877 | // FIXME: OldParm may come from a FunctionProtoType, in which case CurContext | ||||
2878 | // can be anything, is this right ? | ||||
2879 | NewParm->setDeclContext(CurContext); | ||||
2880 | |||||
2881 | NewParm->setScopeInfo(OldParm->getFunctionScopeDepth(), | ||||
2882 | OldParm->getFunctionScopeIndex() + indexAdjustment); | ||||
2883 | |||||
2884 | InstantiateAttrs(TemplateArgs, OldParm, NewParm); | ||||
2885 | |||||
2886 | return NewParm; | ||||
2887 | } | ||||
2888 | |||||
2889 | /// Substitute the given template arguments into the given set of | ||||
2890 | /// parameters, producing the set of parameter types that would be generated | ||||
2891 | /// from such a substitution. | ||||
2892 | bool Sema::SubstParmTypes( | ||||
2893 | SourceLocation Loc, ArrayRef<ParmVarDecl *> Params, | ||||
2894 | const FunctionProtoType::ExtParameterInfo *ExtParamInfos, | ||||
2895 | const MultiLevelTemplateArgumentList &TemplateArgs, | ||||
2896 | SmallVectorImpl<QualType> &ParamTypes, | ||||
2897 | SmallVectorImpl<ParmVarDecl *> *OutParams, | ||||
2898 | ExtParameterInfoBuilder &ParamInfos) { | ||||
2899 | assert(!CodeSynthesisContexts.empty() &&(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2901, __extension__ __PRETTY_FUNCTION__)) | ||||
2900 | "Cannot perform an instantiation without some context on the "(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2901, __extension__ __PRETTY_FUNCTION__)) | ||||
2901 | "instantiation stack")(static_cast <bool> (!CodeSynthesisContexts.empty() && "Cannot perform an instantiation without some context on the " "instantiation stack") ? void (0) : __assert_fail ("!CodeSynthesisContexts.empty() && \"Cannot perform an instantiation without some context on the \" \"instantiation stack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 2901, __extension__ __PRETTY_FUNCTION__)); | ||||
2902 | |||||
2903 | TemplateInstantiator Instantiator(*this, TemplateArgs, Loc, | ||||
2904 | DeclarationName()); | ||||
2905 | return Instantiator.TransformFunctionTypeParams( | ||||
2906 | Loc, Params, nullptr, ExtParamInfos, ParamTypes, OutParams, ParamInfos); | ||||
2907 | } | ||||
2908 | |||||
2909 | /// Substitute the given template arguments into the default argument. | ||||
2910 | bool Sema::SubstDefaultArgument( | ||||
2911 | SourceLocation Loc, | ||||
2912 | ParmVarDecl *Param, | ||||
2913 | const MultiLevelTemplateArgumentList &TemplateArgs, | ||||
2914 | bool ForCallExpr) { | ||||
2915 | FunctionDecl *FD = cast<FunctionDecl>(Param->getDeclContext()); | ||||
2916 | Expr *PatternExpr = Param->getUninstantiatedDefaultArg(); | ||||
2917 | |||||
2918 | EnterExpressionEvaluationContext EvalContext( | ||||
2919 | *this, ExpressionEvaluationContext::PotentiallyEvaluated, Param); | ||||
2920 | |||||
2921 | InstantiatingTemplate Inst(*this, Loc, Param, TemplateArgs.getInnermost()); | ||||
2922 | if (Inst.isInvalid()) | ||||
2923 | return true; | ||||
2924 | if (Inst.isAlreadyInstantiating()) { | ||||
2925 | Diag(Param->getBeginLoc(), diag::err_recursive_default_argument) << FD; | ||||
2926 | Param->setInvalidDecl(); | ||||
2927 | return true; | ||||
2928 | } | ||||
2929 | |||||
2930 | ExprResult Result; | ||||
2931 | { | ||||
2932 | // C++ [dcl.fct.default]p5: | ||||
2933 | // The names in the [default argument] expression are bound, and | ||||
2934 | // the semantic constraints are checked, at the point where the | ||||
2935 | // default argument expression appears. | ||||
2936 | ContextRAII SavedContext(*this, FD); | ||||
2937 | std::unique_ptr<LocalInstantiationScope> LIS; | ||||
2938 | |||||
2939 | if (ForCallExpr) { | ||||
2940 | // When instantiating a default argument due to use in a call expression, | ||||
2941 | // an instantiation scope that includes the parameters of the callee is | ||||
2942 | // required to satisfy references from the default argument. For example: | ||||
2943 | // template<typename T> void f(T a, int = decltype(a)()); | ||||
2944 | // void g() { f(0); } | ||||
2945 | LIS = std::make_unique<LocalInstantiationScope>(*this); | ||||
2946 | FunctionDecl *PatternFD = FD->getTemplateInstantiationPattern( | ||||
2947 | /*ForDefinition*/ false); | ||||
2948 | if (addInstantiatedParametersToScope(FD, PatternFD, *LIS, TemplateArgs)) | ||||
2949 | return true; | ||||
2950 | } | ||||
2951 | |||||
2952 | runWithSufficientStackSpace(Loc, [&] { | ||||
2953 | Result = SubstInitializer(PatternExpr, TemplateArgs, | ||||
2954 | /*DirectInit*/false); | ||||
2955 | }); | ||||
2956 | } | ||||
2957 | if (Result.isInvalid()) | ||||
2958 | return true; | ||||
2959 | |||||
2960 | if (ForCallExpr) { | ||||
2961 | // Check the expression as an initializer for the parameter. | ||||
2962 | InitializedEntity Entity | ||||
2963 | = InitializedEntity::InitializeParameter(Context, Param); | ||||
2964 | InitializationKind Kind = InitializationKind::CreateCopy( | ||||
2965 | Param->getLocation(), | ||||
2966 | /*FIXME:EqualLoc*/ PatternExpr->getBeginLoc()); | ||||
2967 | Expr *ResultE = Result.getAs<Expr>(); | ||||
2968 | |||||
2969 | InitializationSequence InitSeq(*this, Entity, Kind, ResultE); | ||||
2970 | Result = InitSeq.Perform(*this, Entity, Kind, ResultE); | ||||
2971 | if (Result.isInvalid()) | ||||
2972 | return true; | ||||
2973 | |||||
2974 | Result = | ||||
2975 | ActOnFinishFullExpr(Result.getAs<Expr>(), Param->getOuterLocStart(), | ||||
2976 | /*DiscardedValue*/ false); | ||||
2977 | } else { | ||||
2978 | // FIXME: Obtain the source location for the '=' token. | ||||
2979 | SourceLocation EqualLoc = PatternExpr->getBeginLoc(); | ||||
2980 | Result = ConvertParamDefaultArgument(Param, Result.getAs<Expr>(), EqualLoc); | ||||
2981 | } | ||||
2982 | if (Result.isInvalid()) | ||||
2983 | return true; | ||||
2984 | |||||
2985 | // Remember the instantiated default argument. | ||||
2986 | Param->setDefaultArg(Result.getAs<Expr>()); | ||||
2987 | |||||
2988 | return false; | ||||
2989 | } | ||||
2990 | |||||
2991 | /// Perform substitution on the base class specifiers of the | ||||
2992 | /// given class template specialization. | ||||
2993 | /// | ||||
2994 | /// Produces a diagnostic and returns true on error, returns false and | ||||
2995 | /// attaches the instantiated base classes to the class template | ||||
2996 | /// specialization if successful. | ||||
2997 | bool | ||||
2998 | Sema::SubstBaseSpecifiers(CXXRecordDecl *Instantiation, | ||||
2999 | CXXRecordDecl *Pattern, | ||||
3000 | const MultiLevelTemplateArgumentList &TemplateArgs) { | ||||
3001 | bool Invalid = false; | ||||
3002 | SmallVector<CXXBaseSpecifier*, 4> InstantiatedBases; | ||||
3003 | for (const auto &Base : Pattern->bases()) { | ||||
3004 | if (!Base.getType()->isDependentType()) { | ||||
3005 | if (const CXXRecordDecl *RD = Base.getType()->getAsCXXRecordDecl()) { | ||||
3006 | if (RD->isInvalidDecl()) | ||||
3007 | Instantiation->setInvalidDecl(); | ||||
3008 | } | ||||
3009 | InstantiatedBases.push_back(new (Context) CXXBaseSpecifier(Base)); | ||||
3010 | continue; | ||||
3011 | } | ||||
3012 | |||||
3013 | SourceLocation EllipsisLoc; | ||||
3014 | TypeSourceInfo *BaseTypeLoc; | ||||
3015 | if (Base.isPackExpansion()) { | ||||
3016 | // This is a pack expansion. See whether we should expand it now, or | ||||
3017 | // wait until later. | ||||
3018 | SmallVector<UnexpandedParameterPack, 2> Unexpanded; | ||||
3019 | collectUnexpandedParameterPacks(Base.getTypeSourceInfo()->getTypeLoc(), | ||||
3020 | Unexpanded); | ||||
3021 | bool ShouldExpand = false; | ||||
3022 | bool RetainExpansion = false; | ||||
3023 | std::optional<unsigned> NumExpansions; | ||||
3024 | if (CheckParameterPacksForExpansion(Base.getEllipsisLoc(), | ||||
3025 | Base.getSourceRange(), | ||||
3026 | Unexpanded, | ||||
3027 | TemplateArgs, ShouldExpand, | ||||
3028 | RetainExpansion, | ||||
3029 | NumExpansions)) { | ||||
3030 | Invalid = true; | ||||
3031 | continue; | ||||
3032 | } | ||||
3033 | |||||
3034 | // If we should expand this pack expansion now, do so. | ||||
3035 | if (ShouldExpand) { | ||||
3036 | for (unsigned I = 0; I != *NumExpansions; ++I) { | ||||
3037 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(*this, I); | ||||
3038 | |||||
3039 | TypeSourceInfo *BaseTypeLoc = SubstType(Base.getTypeSourceInfo(), | ||||
3040 | TemplateArgs, | ||||
3041 | Base.getSourceRange().getBegin(), | ||||
3042 | DeclarationName()); | ||||
3043 | if (!BaseTypeLoc) { | ||||
3044 | Invalid = true; | ||||
3045 | continue; | ||||
3046 | } | ||||
3047 | |||||
3048 | if (CXXBaseSpecifier *InstantiatedBase | ||||
3049 | = CheckBaseSpecifier(Instantiation, | ||||
3050 | Base.getSourceRange(), | ||||
3051 | Base.isVirtual(), | ||||
3052 | Base.getAccessSpecifierAsWritten(), | ||||
3053 | BaseTypeLoc, | ||||
3054 | SourceLocation())) | ||||
3055 | InstantiatedBases.push_back(InstantiatedBase); | ||||
3056 | else | ||||
3057 | Invalid = true; | ||||
3058 | } | ||||
3059 | |||||
3060 | continue; | ||||
3061 | } | ||||
3062 | |||||
3063 | // The resulting base specifier will (still) be a pack expansion. | ||||
3064 | EllipsisLoc = Base.getEllipsisLoc(); | ||||
3065 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(*this, -1); | ||||
3066 | BaseTypeLoc = SubstType(Base.getTypeSourceInfo(), | ||||
3067 | TemplateArgs, | ||||
3068 | Base.getSourceRange().getBegin(), | ||||
3069 | DeclarationName()); | ||||
3070 | } else { | ||||
3071 | BaseTypeLoc = SubstType(Base.getTypeSourceInfo(), | ||||
3072 | TemplateArgs, | ||||
3073 | Base.getSourceRange().getBegin(), | ||||
3074 | DeclarationName()); | ||||
3075 | } | ||||
3076 | |||||
3077 | if (!BaseTypeLoc) { | ||||
3078 | Invalid = true; | ||||
3079 | continue; | ||||
3080 | } | ||||
3081 | |||||
3082 | if (CXXBaseSpecifier *InstantiatedBase | ||||
3083 | = CheckBaseSpecifier(Instantiation, | ||||
3084 | Base.getSourceRange(), | ||||
3085 | Base.isVirtual(), | ||||
3086 | Base.getAccessSpecifierAsWritten(), | ||||
3087 | BaseTypeLoc, | ||||
3088 | EllipsisLoc)) | ||||
3089 | InstantiatedBases.push_back(InstantiatedBase); | ||||
3090 | else | ||||
3091 | Invalid = true; | ||||
3092 | } | ||||
3093 | |||||
3094 | if (!Invalid && AttachBaseSpecifiers(Instantiation, InstantiatedBases)) | ||||
3095 | Invalid = true; | ||||
3096 | |||||
3097 | return Invalid; | ||||
3098 | } | ||||
3099 | |||||
3100 | // Defined via #include from SemaTemplateInstantiateDecl.cpp | ||||
3101 | namespace clang { | ||||
3102 | namespace sema { | ||||
3103 | Attr *instantiateTemplateAttribute(const Attr *At, ASTContext &C, Sema &S, | ||||
3104 | const MultiLevelTemplateArgumentList &TemplateArgs); | ||||
3105 | Attr *instantiateTemplateAttributeForDecl( | ||||
3106 | const Attr *At, ASTContext &C, Sema &S, | ||||
3107 | const MultiLevelTemplateArgumentList &TemplateArgs); | ||||
3108 | } | ||||
3109 | } | ||||
3110 | |||||
3111 | /// Instantiate the definition of a class from a given pattern. | ||||
3112 | /// | ||||
3113 | /// \param PointOfInstantiation The point of instantiation within the | ||||
3114 | /// source code. | ||||
3115 | /// | ||||
3116 | /// \param Instantiation is the declaration whose definition is being | ||||
3117 | /// instantiated. This will be either a class template specialization | ||||
3118 | /// or a member class of a class template specialization. | ||||
3119 | /// | ||||
3120 | /// \param Pattern is the pattern from which the instantiation | ||||
3121 | /// occurs. This will be either the declaration of a class template or | ||||
3122 | /// the declaration of a member class of a class template. | ||||
3123 | /// | ||||
3124 | /// \param TemplateArgs The template arguments to be substituted into | ||||
3125 | /// the pattern. | ||||
3126 | /// | ||||
3127 | /// \param TSK the kind of implicit or explicit instantiation to perform. | ||||
3128 | /// | ||||
3129 | /// \param Complain whether to complain if the class cannot be instantiated due | ||||
3130 | /// to the lack of a definition. | ||||
3131 | /// | ||||
3132 | /// \returns true if an error occurred, false otherwise. | ||||
3133 | bool | ||||
3134 | Sema::InstantiateClass(SourceLocation PointOfInstantiation, | ||||
3135 | CXXRecordDecl *Instantiation, CXXRecordDecl *Pattern, | ||||
3136 | const MultiLevelTemplateArgumentList &TemplateArgs, | ||||
3137 | TemplateSpecializationKind TSK, | ||||
3138 | bool Complain) { | ||||
3139 | CXXRecordDecl *PatternDef | ||||
3140 | = cast_or_null<CXXRecordDecl>(Pattern->getDefinition()); | ||||
3141 | if (DiagnoseUninstantiableTemplate(PointOfInstantiation, Instantiation, | ||||
3142 | Instantiation->getInstantiatedFromMemberClass(), | ||||
3143 | Pattern, PatternDef, TSK, Complain)) | ||||
3144 | return true; | ||||
3145 | |||||
3146 | llvm::TimeTraceScope TimeScope("InstantiateClass", [&]() { | ||||
3147 | std::string Name; | ||||
3148 | llvm::raw_string_ostream OS(Name); | ||||
3149 | Instantiation->getNameForDiagnostic(OS, getPrintingPolicy(), | ||||
3150 | /*Qualified=*/true); | ||||
3151 | return Name; | ||||
3152 | }); | ||||
3153 | |||||
3154 | Pattern = PatternDef; | ||||
3155 | |||||
3156 | // Record the point of instantiation. | ||||
3157 | if (MemberSpecializationInfo *MSInfo | ||||
3158 | = Instantiation->getMemberSpecializationInfo()) { | ||||
3159 | MSInfo->setTemplateSpecializationKind(TSK); | ||||
3160 | MSInfo->setPointOfInstantiation(PointOfInstantiation); | ||||
3161 | } else if (ClassTemplateSpecializationDecl *Spec | ||||
3162 | = dyn_cast<ClassTemplateSpecializationDecl>(Instantiation)) { | ||||
3163 | Spec->setTemplateSpecializationKind(TSK); | ||||
3164 | Spec->setPointOfInstantiation(PointOfInstantiation); | ||||
3165 | } | ||||
3166 | |||||
3167 | InstantiatingTemplate Inst(*this, PointOfInstantiation, Instantiation); | ||||
3168 | if (Inst.isInvalid()) | ||||
3169 | return true; | ||||
3170 | assert(!Inst.isAlreadyInstantiating() && "should have been caught by caller")(static_cast <bool> (!Inst.isAlreadyInstantiating() && "should have been caught by caller") ? void (0) : __assert_fail ("!Inst.isAlreadyInstantiating() && \"should have been caught by caller\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3170, __extension__ __PRETTY_FUNCTION__)); | ||||
3171 | PrettyDeclStackTraceEntry CrashInfo(Context, Instantiation, SourceLocation(), | ||||
3172 | "instantiating class definition"); | ||||
3173 | |||||
3174 | // Enter the scope of this instantiation. We don't use | ||||
3175 | // PushDeclContext because we don't have a scope. | ||||
3176 | ContextRAII SavedContext(*this, Instantiation); | ||||
3177 | EnterExpressionEvaluationContext EvalContext( | ||||
3178 | *this, Sema::ExpressionEvaluationContext::PotentiallyEvaluated); | ||||
3179 | |||||
3180 | // If this is an instantiation of a local class, merge this local | ||||
3181 | // instantiation scope with the enclosing scope. Otherwise, every | ||||
3182 | // instantiation of a class has its own local instantiation scope. | ||||
3183 | bool MergeWithParentScope = !Instantiation->isDefinedOutsideFunctionOrMethod(); | ||||
3184 | LocalInstantiationScope Scope(*this, MergeWithParentScope); | ||||
3185 | |||||
3186 | // Some class state isn't processed immediately but delayed till class | ||||
3187 | // instantiation completes. We may not be ready to handle any delayed state | ||||
3188 | // already on the stack as it might correspond to a different class, so save | ||||
3189 | // it now and put it back later. | ||||
3190 | SavePendingParsedClassStateRAII SavedPendingParsedClassState(*this); | ||||
3191 | |||||
3192 | // Pull attributes from the pattern onto the instantiation. | ||||
3193 | InstantiateAttrs(TemplateArgs, Pattern, Instantiation); | ||||
3194 | |||||
3195 | // Start the definition of this instantiation. | ||||
3196 | Instantiation->startDefinition(); | ||||
3197 | |||||
3198 | // The instantiation is visible here, even if it was first declared in an | ||||
3199 | // unimported module. | ||||
3200 | Instantiation->setVisibleDespiteOwningModule(); | ||||
3201 | |||||
3202 | // FIXME: This loses the as-written tag kind for an explicit instantiation. | ||||
3203 | Instantiation->setTagKind(Pattern->getTagKind()); | ||||
3204 | |||||
3205 | // Do substitution on the base class specifiers. | ||||
3206 | if (SubstBaseSpecifiers(Instantiation, Pattern, TemplateArgs)) | ||||
3207 | Instantiation->setInvalidDecl(); | ||||
3208 | |||||
3209 | TemplateDeclInstantiator Instantiator(*this, Instantiation, TemplateArgs); | ||||
3210 | Instantiator.setEvaluateConstraints(false); | ||||
3211 | SmallVector<Decl*, 4> Fields; | ||||
3212 | // Delay instantiation of late parsed attributes. | ||||
3213 | LateInstantiatedAttrVec LateAttrs; | ||||
3214 | Instantiator.enableLateAttributeInstantiation(&LateAttrs); | ||||
3215 | |||||
3216 | bool MightHaveConstexprVirtualFunctions = false; | ||||
3217 | for (auto *Member : Pattern->decls()) { | ||||
3218 | // Don't instantiate members not belonging in this semantic context. | ||||
3219 | // e.g. for: | ||||
3220 | // @code | ||||
3221 | // template <int i> class A { | ||||
3222 | // class B *g; | ||||
3223 | // }; | ||||
3224 | // @endcode | ||||
3225 | // 'class B' has the template as lexical context but semantically it is | ||||
3226 | // introduced in namespace scope. | ||||
3227 | if (Member->getDeclContext() != Pattern) | ||||
3228 | continue; | ||||
3229 | |||||
3230 | // BlockDecls can appear in a default-member-initializer. They must be the | ||||
3231 | // child of a BlockExpr, so we only know how to instantiate them from there. | ||||
3232 | // Similarly, lambda closure types are recreated when instantiating the | ||||
3233 | // corresponding LambdaExpr. | ||||
3234 | if (isa<BlockDecl>(Member) || | ||||
3235 | (isa<CXXRecordDecl>(Member) && cast<CXXRecordDecl>(Member)->isLambda())) | ||||
3236 | continue; | ||||
3237 | |||||
3238 | if (Member->isInvalidDecl()) { | ||||
3239 | Instantiation->setInvalidDecl(); | ||||
3240 | continue; | ||||
3241 | } | ||||
3242 | |||||
3243 | Decl *NewMember = Instantiator.Visit(Member); | ||||
3244 | if (NewMember) { | ||||
3245 | if (FieldDecl *Field = dyn_cast<FieldDecl>(NewMember)) { | ||||
3246 | Fields.push_back(Field); | ||||
3247 | } else if (EnumDecl *Enum = dyn_cast<EnumDecl>(NewMember)) { | ||||
3248 | // C++11 [temp.inst]p1: The implicit instantiation of a class template | ||||
3249 | // specialization causes the implicit instantiation of the definitions | ||||
3250 | // of unscoped member enumerations. | ||||
3251 | // Record a point of instantiation for this implicit instantiation. | ||||
3252 | if (TSK == TSK_ImplicitInstantiation && !Enum->isScoped() && | ||||
3253 | Enum->isCompleteDefinition()) { | ||||
3254 | MemberSpecializationInfo *MSInfo =Enum->getMemberSpecializationInfo(); | ||||
3255 | assert(MSInfo && "no spec info for member enum specialization")(static_cast <bool> (MSInfo && "no spec info for member enum specialization" ) ? void (0) : __assert_fail ("MSInfo && \"no spec info for member enum specialization\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3255, __extension__ __PRETTY_FUNCTION__)); | ||||
3256 | MSInfo->setTemplateSpecializationKind(TSK_ImplicitInstantiation); | ||||
3257 | MSInfo->setPointOfInstantiation(PointOfInstantiation); | ||||
3258 | } | ||||
3259 | } else if (StaticAssertDecl *SA = dyn_cast<StaticAssertDecl>(NewMember)) { | ||||
3260 | if (SA->isFailed()) { | ||||
3261 | // A static_assert failed. Bail out; instantiating this | ||||
3262 | // class is probably not meaningful. | ||||
3263 | Instantiation->setInvalidDecl(); | ||||
3264 | break; | ||||
3265 | } | ||||
3266 | } else if (CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(NewMember)) { | ||||
3267 | if (MD->isConstexpr() && !MD->getFriendObjectKind() && | ||||
3268 | (MD->isVirtualAsWritten() || Instantiation->getNumBases())) | ||||
3269 | MightHaveConstexprVirtualFunctions = true; | ||||
3270 | } | ||||
3271 | |||||
3272 | if (NewMember->isInvalidDecl()) | ||||
3273 | Instantiation->setInvalidDecl(); | ||||
3274 | } else { | ||||
3275 | // FIXME: Eventually, a NULL return will mean that one of the | ||||
3276 | // instantiations was a semantic disaster, and we'll want to mark the | ||||
3277 | // declaration invalid. | ||||
3278 | // For now, we expect to skip some members that we can't yet handle. | ||||
3279 | } | ||||
3280 | } | ||||
3281 | |||||
3282 | // Finish checking fields. | ||||
3283 | ActOnFields(nullptr, Instantiation->getLocation(), Instantiation, Fields, | ||||
3284 | SourceLocation(), SourceLocation(), ParsedAttributesView()); | ||||
3285 | CheckCompletedCXXClass(nullptr, Instantiation); | ||||
3286 | |||||
3287 | // Default arguments are parsed, if not instantiated. We can go instantiate | ||||
3288 | // default arg exprs for default constructors if necessary now. Unless we're | ||||
3289 | // parsing a class, in which case wait until that's finished. | ||||
3290 | if (ParsingClassDepth == 0) | ||||
3291 | ActOnFinishCXXNonNestedClass(); | ||||
3292 | |||||
3293 | // Instantiate late parsed attributes, and attach them to their decls. | ||||
3294 | // See Sema::InstantiateAttrs | ||||
3295 | for (LateInstantiatedAttrVec::iterator I = LateAttrs.begin(), | ||||
3296 | E = LateAttrs.end(); I != E; ++I) { | ||||
3297 | assert(CurrentInstantiationScope == Instantiator.getStartingScope())(static_cast <bool> (CurrentInstantiationScope == Instantiator .getStartingScope()) ? void (0) : __assert_fail ("CurrentInstantiationScope == Instantiator.getStartingScope()" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3297, __extension__ __PRETTY_FUNCTION__)); | ||||
3298 | CurrentInstantiationScope = I->Scope; | ||||
3299 | |||||
3300 | // Allow 'this' within late-parsed attributes. | ||||
3301 | auto *ND = cast<NamedDecl>(I->NewDecl); | ||||
3302 | auto *ThisContext = dyn_cast_or_null<CXXRecordDecl>(ND->getDeclContext()); | ||||
3303 | CXXThisScopeRAII ThisScope(*this, ThisContext, Qualifiers(), | ||||
3304 | ND->isCXXInstanceMember()); | ||||
3305 | |||||
3306 | Attr *NewAttr = | ||||
3307 | instantiateTemplateAttribute(I->TmplAttr, Context, *this, TemplateArgs); | ||||
3308 | if (NewAttr) | ||||
3309 | I->NewDecl->addAttr(NewAttr); | ||||
3310 | LocalInstantiationScope::deleteScopes(I->Scope, | ||||
3311 | Instantiator.getStartingScope()); | ||||
3312 | } | ||||
3313 | Instantiator.disableLateAttributeInstantiation(); | ||||
3314 | LateAttrs.clear(); | ||||
3315 | |||||
3316 | ActOnFinishDelayedMemberInitializers(Instantiation); | ||||
3317 | |||||
3318 | // FIXME: We should do something similar for explicit instantiations so they | ||||
3319 | // end up in the right module. | ||||
3320 | if (TSK == TSK_ImplicitInstantiation) { | ||||
3321 | Instantiation->setLocation(Pattern->getLocation()); | ||||
3322 | Instantiation->setLocStart(Pattern->getInnerLocStart()); | ||||
3323 | Instantiation->setBraceRange(Pattern->getBraceRange()); | ||||
3324 | } | ||||
3325 | |||||
3326 | if (!Instantiation->isInvalidDecl()) { | ||||
3327 | // Perform any dependent diagnostics from the pattern. | ||||
3328 | if (Pattern->isDependentContext()) | ||||
3329 | PerformDependentDiagnostics(Pattern, TemplateArgs); | ||||
3330 | |||||
3331 | // Instantiate any out-of-line class template partial | ||||
3332 | // specializations now. | ||||
3333 | for (TemplateDeclInstantiator::delayed_partial_spec_iterator | ||||
3334 | P = Instantiator.delayed_partial_spec_begin(), | ||||
3335 | PEnd = Instantiator.delayed_partial_spec_end(); | ||||
3336 | P != PEnd; ++P) { | ||||
3337 | if (!Instantiator.InstantiateClassTemplatePartialSpecialization( | ||||
3338 | P->first, P->second)) { | ||||
3339 | Instantiation->setInvalidDecl(); | ||||
3340 | break; | ||||
3341 | } | ||||
3342 | } | ||||
3343 | |||||
3344 | // Instantiate any out-of-line variable template partial | ||||
3345 | // specializations now. | ||||
3346 | for (TemplateDeclInstantiator::delayed_var_partial_spec_iterator | ||||
3347 | P = Instantiator.delayed_var_partial_spec_begin(), | ||||
3348 | PEnd = Instantiator.delayed_var_partial_spec_end(); | ||||
3349 | P != PEnd; ++P) { | ||||
3350 | if (!Instantiator.InstantiateVarTemplatePartialSpecialization( | ||||
3351 | P->first, P->second)) { | ||||
3352 | Instantiation->setInvalidDecl(); | ||||
3353 | break; | ||||
3354 | } | ||||
3355 | } | ||||
3356 | } | ||||
3357 | |||||
3358 | // Exit the scope of this instantiation. | ||||
3359 | SavedContext.pop(); | ||||
3360 | |||||
3361 | if (!Instantiation->isInvalidDecl()) { | ||||
3362 | // Always emit the vtable for an explicit instantiation definition | ||||
3363 | // of a polymorphic class template specialization. Otherwise, eagerly | ||||
3364 | // instantiate only constexpr virtual functions in preparation for their use | ||||
3365 | // in constant evaluation. | ||||
3366 | if (TSK == TSK_ExplicitInstantiationDefinition) | ||||
3367 | MarkVTableUsed(PointOfInstantiation, Instantiation, true); | ||||
3368 | else if (MightHaveConstexprVirtualFunctions) | ||||
3369 | MarkVirtualMembersReferenced(PointOfInstantiation, Instantiation, | ||||
3370 | /*ConstexprOnly*/ true); | ||||
3371 | } | ||||
3372 | |||||
3373 | Consumer.HandleTagDeclDefinition(Instantiation); | ||||
3374 | |||||
3375 | return Instantiation->isInvalidDecl(); | ||||
3376 | } | ||||
3377 | |||||
3378 | /// Instantiate the definition of an enum from a given pattern. | ||||
3379 | /// | ||||
3380 | /// \param PointOfInstantiation The point of instantiation within the | ||||
3381 | /// source code. | ||||
3382 | /// \param Instantiation is the declaration whose definition is being | ||||
3383 | /// instantiated. This will be a member enumeration of a class | ||||
3384 | /// temploid specialization, or a local enumeration within a | ||||
3385 | /// function temploid specialization. | ||||
3386 | /// \param Pattern The templated declaration from which the instantiation | ||||
3387 | /// occurs. | ||||
3388 | /// \param TemplateArgs The template arguments to be substituted into | ||||
3389 | /// the pattern. | ||||
3390 | /// \param TSK The kind of implicit or explicit instantiation to perform. | ||||
3391 | /// | ||||
3392 | /// \return \c true if an error occurred, \c false otherwise. | ||||
3393 | bool Sema::InstantiateEnum(SourceLocation PointOfInstantiation, | ||||
3394 | EnumDecl *Instantiation, EnumDecl *Pattern, | ||||
3395 | const MultiLevelTemplateArgumentList &TemplateArgs, | ||||
3396 | TemplateSpecializationKind TSK) { | ||||
3397 | EnumDecl *PatternDef = Pattern->getDefinition(); | ||||
3398 | if (DiagnoseUninstantiableTemplate(PointOfInstantiation, Instantiation, | ||||
3399 | Instantiation->getInstantiatedFromMemberEnum(), | ||||
3400 | Pattern, PatternDef, TSK,/*Complain*/true)) | ||||
3401 | return true; | ||||
3402 | Pattern = PatternDef; | ||||
3403 | |||||
3404 | // Record the point of instantiation. | ||||
3405 | if (MemberSpecializationInfo *MSInfo | ||||
3406 | = Instantiation->getMemberSpecializationInfo()) { | ||||
3407 | MSInfo->setTemplateSpecializationKind(TSK); | ||||
3408 | MSInfo->setPointOfInstantiation(PointOfInstantiation); | ||||
3409 | } | ||||
3410 | |||||
3411 | InstantiatingTemplate Inst(*this, PointOfInstantiation, Instantiation); | ||||
3412 | if (Inst.isInvalid()) | ||||
3413 | return true; | ||||
3414 | if (Inst.isAlreadyInstantiating()) | ||||
3415 | return false; | ||||
3416 | PrettyDeclStackTraceEntry CrashInfo(Context, Instantiation, SourceLocation(), | ||||
3417 | "instantiating enum definition"); | ||||
3418 | |||||
3419 | // The instantiation is visible here, even if it was first declared in an | ||||
3420 | // unimported module. | ||||
3421 | Instantiation->setVisibleDespiteOwningModule(); | ||||
3422 | |||||
3423 | // Enter the scope of this instantiation. We don't use | ||||
3424 | // PushDeclContext because we don't have a scope. | ||||
3425 | ContextRAII SavedContext(*this, Instantiation); | ||||
3426 | EnterExpressionEvaluationContext EvalContext( | ||||
3427 | *this, Sema::ExpressionEvaluationContext::PotentiallyEvaluated); | ||||
3428 | |||||
3429 | LocalInstantiationScope Scope(*this, /*MergeWithParentScope*/true); | ||||
3430 | |||||
3431 | // Pull attributes from the pattern onto the instantiation. | ||||
3432 | InstantiateAttrs(TemplateArgs, Pattern, Instantiation); | ||||
3433 | |||||
3434 | TemplateDeclInstantiator Instantiator(*this, Instantiation, TemplateArgs); | ||||
3435 | Instantiator.InstantiateEnumDefinition(Instantiation, Pattern); | ||||
3436 | |||||
3437 | // Exit the scope of this instantiation. | ||||
3438 | SavedContext.pop(); | ||||
3439 | |||||
3440 | return Instantiation->isInvalidDecl(); | ||||
3441 | } | ||||
3442 | |||||
3443 | |||||
3444 | /// Instantiate the definition of a field from the given pattern. | ||||
3445 | /// | ||||
3446 | /// \param PointOfInstantiation The point of instantiation within the | ||||
3447 | /// source code. | ||||
3448 | /// \param Instantiation is the declaration whose definition is being | ||||
3449 | /// instantiated. This will be a class of a class temploid | ||||
3450 | /// specialization, or a local enumeration within a function temploid | ||||
3451 | /// specialization. | ||||
3452 | /// \param Pattern The templated declaration from which the instantiation | ||||
3453 | /// occurs. | ||||
3454 | /// \param TemplateArgs The template arguments to be substituted into | ||||
3455 | /// the pattern. | ||||
3456 | /// | ||||
3457 | /// \return \c true if an error occurred, \c false otherwise. | ||||
3458 | bool Sema::InstantiateInClassInitializer( | ||||
3459 | SourceLocation PointOfInstantiation, FieldDecl *Instantiation, | ||||
3460 | FieldDecl *Pattern, const MultiLevelTemplateArgumentList &TemplateArgs) { | ||||
3461 | // If there is no initializer, we don't need to do anything. | ||||
3462 | if (!Pattern->hasInClassInitializer()) | ||||
3463 | return false; | ||||
3464 | |||||
3465 | assert(Instantiation->getInClassInitStyle() ==(static_cast <bool> (Instantiation->getInClassInitStyle () == Pattern->getInClassInitStyle() && "pattern and instantiation disagree about init style" ) ? void (0) : __assert_fail ("Instantiation->getInClassInitStyle() == Pattern->getInClassInitStyle() && \"pattern and instantiation disagree about init style\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3467, __extension__ __PRETTY_FUNCTION__)) | ||||
3466 | Pattern->getInClassInitStyle() &&(static_cast <bool> (Instantiation->getInClassInitStyle () == Pattern->getInClassInitStyle() && "pattern and instantiation disagree about init style" ) ? void (0) : __assert_fail ("Instantiation->getInClassInitStyle() == Pattern->getInClassInitStyle() && \"pattern and instantiation disagree about init style\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3467, __extension__ __PRETTY_FUNCTION__)) | ||||
3467 | "pattern and instantiation disagree about init style")(static_cast <bool> (Instantiation->getInClassInitStyle () == Pattern->getInClassInitStyle() && "pattern and instantiation disagree about init style" ) ? void (0) : __assert_fail ("Instantiation->getInClassInitStyle() == Pattern->getInClassInitStyle() && \"pattern and instantiation disagree about init style\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3467, __extension__ __PRETTY_FUNCTION__)); | ||||
3468 | |||||
3469 | // Error out if we haven't parsed the initializer of the pattern yet because | ||||
3470 | // we are waiting for the closing brace of the outer class. | ||||
3471 | Expr *OldInit = Pattern->getInClassInitializer(); | ||||
3472 | if (!OldInit) { | ||||
3473 | RecordDecl *PatternRD = Pattern->getParent(); | ||||
3474 | RecordDecl *OutermostClass = PatternRD->getOuterLexicalRecordContext(); | ||||
3475 | Diag(PointOfInstantiation, | ||||
3476 | diag::err_default_member_initializer_not_yet_parsed) | ||||
3477 | << OutermostClass << Pattern; | ||||
3478 | Diag(Pattern->getEndLoc(), | ||||
3479 | diag::note_default_member_initializer_not_yet_parsed); | ||||
3480 | Instantiation->setInvalidDecl(); | ||||
3481 | return true; | ||||
3482 | } | ||||
3483 | |||||
3484 | InstantiatingTemplate Inst(*this, PointOfInstantiation, Instantiation); | ||||
3485 | if (Inst.isInvalid()) | ||||
3486 | return true; | ||||
3487 | if (Inst.isAlreadyInstantiating()) { | ||||
3488 | // Error out if we hit an instantiation cycle for this initializer. | ||||
3489 | Diag(PointOfInstantiation, diag::err_default_member_initializer_cycle) | ||||
3490 | << Instantiation; | ||||
3491 | return true; | ||||
3492 | } | ||||
3493 | PrettyDeclStackTraceEntry CrashInfo(Context, Instantiation, SourceLocation(), | ||||
3494 | "instantiating default member init"); | ||||
3495 | |||||
3496 | // Enter the scope of this instantiation. We don't use PushDeclContext because | ||||
3497 | // we don't have a scope. | ||||
3498 | ContextRAII SavedContext(*this, Instantiation->getParent()); | ||||
3499 | EnterExpressionEvaluationContext EvalContext( | ||||
3500 | *this, Sema::ExpressionEvaluationContext::PotentiallyEvaluated); | ||||
3501 | ExprEvalContexts.back().DelayedDefaultInitializationContext = { | ||||
3502 | PointOfInstantiation, Instantiation, CurContext}; | ||||
3503 | |||||
3504 | LocalInstantiationScope Scope(*this, true); | ||||
3505 | |||||
3506 | // Instantiate the initializer. | ||||
3507 | ActOnStartCXXInClassMemberInitializer(); | ||||
3508 | CXXThisScopeRAII ThisScope(*this, Instantiation->getParent(), Qualifiers()); | ||||
3509 | |||||
3510 | ExprResult NewInit = SubstInitializer(OldInit, TemplateArgs, | ||||
3511 | /*CXXDirectInit=*/false); | ||||
3512 | Expr *Init = NewInit.get(); | ||||
3513 | assert((!Init || !isa<ParenListExpr>(Init)) && "call-style init in class")(static_cast <bool> ((!Init || !isa<ParenListExpr> (Init)) && "call-style init in class") ? void (0) : __assert_fail ("(!Init || !isa<ParenListExpr>(Init)) && \"call-style init in class\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3513, __extension__ __PRETTY_FUNCTION__)); | ||||
3514 | ActOnFinishCXXInClassMemberInitializer( | ||||
3515 | Instantiation, Init ? Init->getBeginLoc() : SourceLocation(), Init); | ||||
3516 | |||||
3517 | if (auto *L = getASTMutationListener()) | ||||
3518 | L->DefaultMemberInitializerInstantiated(Instantiation); | ||||
3519 | |||||
3520 | // Return true if the in-class initializer is still missing. | ||||
3521 | return !Instantiation->getInClassInitializer(); | ||||
3522 | } | ||||
3523 | |||||
3524 | namespace { | ||||
3525 | /// A partial specialization whose template arguments have matched | ||||
3526 | /// a given template-id. | ||||
3527 | struct PartialSpecMatchResult { | ||||
3528 | ClassTemplatePartialSpecializationDecl *Partial; | ||||
3529 | TemplateArgumentList *Args; | ||||
3530 | }; | ||||
3531 | } | ||||
3532 | |||||
3533 | bool Sema::usesPartialOrExplicitSpecialization( | ||||
3534 | SourceLocation Loc, ClassTemplateSpecializationDecl *ClassTemplateSpec) { | ||||
3535 | if (ClassTemplateSpec->getTemplateSpecializationKind() == | ||||
3536 | TSK_ExplicitSpecialization) | ||||
3537 | return true; | ||||
3538 | |||||
3539 | SmallVector<ClassTemplatePartialSpecializationDecl *, 4> PartialSpecs; | ||||
3540 | ClassTemplateSpec->getSpecializedTemplate() | ||||
3541 | ->getPartialSpecializations(PartialSpecs); | ||||
3542 | for (unsigned I = 0, N = PartialSpecs.size(); I != N; ++I) { | ||||
3543 | TemplateDeductionInfo Info(Loc); | ||||
3544 | if (!DeduceTemplateArguments(PartialSpecs[I], | ||||
3545 | ClassTemplateSpec->getTemplateArgs(), Info)) | ||||
3546 | return true; | ||||
3547 | } | ||||
3548 | |||||
3549 | return false; | ||||
3550 | } | ||||
3551 | |||||
3552 | /// Get the instantiation pattern to use to instantiate the definition of a | ||||
3553 | /// given ClassTemplateSpecializationDecl (either the pattern of the primary | ||||
3554 | /// template or of a partial specialization). | ||||
3555 | static ActionResult<CXXRecordDecl *> | ||||
3556 | getPatternForClassTemplateSpecialization( | ||||
3557 | Sema &S, SourceLocation PointOfInstantiation, | ||||
3558 | ClassTemplateSpecializationDecl *ClassTemplateSpec, | ||||
3559 | TemplateSpecializationKind TSK) { | ||||
3560 | Sema::InstantiatingTemplate Inst(S, PointOfInstantiation, ClassTemplateSpec); | ||||
3561 | if (Inst.isInvalid()) | ||||
3562 | return {/*Invalid=*/true}; | ||||
3563 | if (Inst.isAlreadyInstantiating()) | ||||
3564 | return {/*Invalid=*/false}; | ||||
3565 | |||||
3566 | llvm::PointerUnion<ClassTemplateDecl *, | ||||
3567 | ClassTemplatePartialSpecializationDecl *> | ||||
3568 | Specialized = ClassTemplateSpec->getSpecializedTemplateOrPartial(); | ||||
3569 | if (!Specialized.is<ClassTemplatePartialSpecializationDecl *>()) { | ||||
3570 | // Find best matching specialization. | ||||
3571 | ClassTemplateDecl *Template = ClassTemplateSpec->getSpecializedTemplate(); | ||||
3572 | |||||
3573 | // C++ [temp.class.spec.match]p1: | ||||
3574 | // When a class template is used in a context that requires an | ||||
3575 | // instantiation of the class, it is necessary to determine | ||||
3576 | // whether the instantiation is to be generated using the primary | ||||
3577 | // template or one of the partial specializations. This is done by | ||||
3578 | // matching the template arguments of the class template | ||||
3579 | // specialization with the template argument lists of the partial | ||||
3580 | // specializations. | ||||
3581 | typedef PartialSpecMatchResult MatchResult; | ||||
3582 | SmallVector<MatchResult, 4> Matched; | ||||
3583 | SmallVector<ClassTemplatePartialSpecializationDecl *, 4> PartialSpecs; | ||||
3584 | Template->getPartialSpecializations(PartialSpecs); | ||||
3585 | TemplateSpecCandidateSet FailedCandidates(PointOfInstantiation); | ||||
3586 | for (unsigned I = 0, N = PartialSpecs.size(); I != N; ++I) { | ||||
3587 | ClassTemplatePartialSpecializationDecl *Partial = PartialSpecs[I]; | ||||
3588 | TemplateDeductionInfo Info(FailedCandidates.getLocation()); | ||||
3589 | if (Sema::TemplateDeductionResult Result = S.DeduceTemplateArguments( | ||||
3590 | Partial, ClassTemplateSpec->getTemplateArgs(), Info)) { | ||||
3591 | // Store the failed-deduction information for use in diagnostics, later. | ||||
3592 | // TODO: Actually use the failed-deduction info? | ||||
3593 | FailedCandidates.addCandidate().set( | ||||
3594 | DeclAccessPair::make(Template, AS_public), Partial, | ||||
3595 | MakeDeductionFailureInfo(S.Context, Result, Info)); | ||||
3596 | (void)Result; | ||||
3597 | } else { | ||||
3598 | Matched.push_back(PartialSpecMatchResult()); | ||||
3599 | Matched.back().Partial = Partial; | ||||
3600 | Matched.back().Args = Info.takeCanonical(); | ||||
3601 | } | ||||
3602 | } | ||||
3603 | |||||
3604 | // If we're dealing with a member template where the template parameters | ||||
3605 | // have been instantiated, this provides the original template parameters | ||||
3606 | // from which the member template's parameters were instantiated. | ||||
3607 | |||||
3608 | if (Matched.size() >= 1) { | ||||
3609 | SmallVectorImpl<MatchResult>::iterator Best = Matched.begin(); | ||||
3610 | if (Matched.size() == 1) { | ||||
3611 | // -- If exactly one matching specialization is found, the | ||||
3612 | // instantiation is generated from that specialization. | ||||
3613 | // We don't need to do anything for this. | ||||
3614 | } else { | ||||
3615 | // -- If more than one matching specialization is found, the | ||||
3616 | // partial order rules (14.5.4.2) are used to determine | ||||
3617 | // whether one of the specializations is more specialized | ||||
3618 | // than the others. If none of the specializations is more | ||||
3619 | // specialized than all of the other matching | ||||
3620 | // specializations, then the use of the class template is | ||||
3621 | // ambiguous and the program is ill-formed. | ||||
3622 | for (SmallVectorImpl<MatchResult>::iterator P = Best + 1, | ||||
3623 | PEnd = Matched.end(); | ||||
3624 | P != PEnd; ++P) { | ||||
3625 | if (S.getMoreSpecializedPartialSpecialization( | ||||
3626 | P->Partial, Best->Partial, PointOfInstantiation) == | ||||
3627 | P->Partial) | ||||
3628 | Best = P; | ||||
3629 | } | ||||
3630 | |||||
3631 | // Determine if the best partial specialization is more specialized than | ||||
3632 | // the others. | ||||
3633 | bool Ambiguous = false; | ||||
3634 | for (SmallVectorImpl<MatchResult>::iterator P = Matched.begin(), | ||||
3635 | PEnd = Matched.end(); | ||||
3636 | P != PEnd; ++P) { | ||||
3637 | if (P != Best && S.getMoreSpecializedPartialSpecialization( | ||||
3638 | P->Partial, Best->Partial, | ||||
3639 | PointOfInstantiation) != Best->Partial) { | ||||
3640 | Ambiguous = true; | ||||
3641 | break; | ||||
3642 | } | ||||
3643 | } | ||||
3644 | |||||
3645 | if (Ambiguous) { | ||||
3646 | // Partial ordering did not produce a clear winner. Complain. | ||||
3647 | Inst.Clear(); | ||||
3648 | ClassTemplateSpec->setInvalidDecl(); | ||||
3649 | S.Diag(PointOfInstantiation, | ||||
3650 | diag::err_partial_spec_ordering_ambiguous) | ||||
3651 | << ClassTemplateSpec; | ||||
3652 | |||||
3653 | // Print the matching partial specializations. | ||||
3654 | for (SmallVectorImpl<MatchResult>::iterator P = Matched.begin(), | ||||
3655 | PEnd = Matched.end(); | ||||
3656 | P != PEnd; ++P) | ||||
3657 | S.Diag(P->Partial->getLocation(), diag::note_partial_spec_match) | ||||
3658 | << S.getTemplateArgumentBindingsText( | ||||
3659 | P->Partial->getTemplateParameters(), *P->Args); | ||||
3660 | |||||
3661 | return {/*Invalid=*/true}; | ||||
3662 | } | ||||
3663 | } | ||||
3664 | |||||
3665 | ClassTemplateSpec->setInstantiationOf(Best->Partial, Best->Args); | ||||
3666 | } else { | ||||
3667 | // -- If no matches are found, the instantiation is generated | ||||
3668 | // from the primary template. | ||||
3669 | } | ||||
3670 | } | ||||
3671 | |||||
3672 | CXXRecordDecl *Pattern = nullptr; | ||||
3673 | Specialized = ClassTemplateSpec->getSpecializedTemplateOrPartial(); | ||||
3674 | if (auto *PartialSpec = | ||||
3675 | Specialized.dyn_cast<ClassTemplatePartialSpecializationDecl *>()) { | ||||
3676 | // Instantiate using the best class template partial specialization. | ||||
3677 | while (PartialSpec->getInstantiatedFromMember()) { | ||||
3678 | // If we've found an explicit specialization of this class template, | ||||
3679 | // stop here and use that as the pattern. | ||||
3680 | if (PartialSpec->isMemberSpecialization()) | ||||
3681 | break; | ||||
3682 | |||||
3683 | PartialSpec = PartialSpec->getInstantiatedFromMember(); | ||||
3684 | } | ||||
3685 | Pattern = PartialSpec; | ||||
3686 | } else { | ||||
3687 | ClassTemplateDecl *Template = ClassTemplateSpec->getSpecializedTemplate(); | ||||
3688 | while (Template->getInstantiatedFromMemberTemplate()) { | ||||
3689 | // If we've found an explicit specialization of this class template, | ||||
3690 | // stop here and use that as the pattern. | ||||
3691 | if (Template->isMemberSpecialization()) | ||||
3692 | break; | ||||
3693 | |||||
3694 | Template = Template->getInstantiatedFromMemberTemplate(); | ||||
3695 | } | ||||
3696 | Pattern = Template->getTemplatedDecl(); | ||||
3697 | } | ||||
3698 | |||||
3699 | return Pattern; | ||||
3700 | } | ||||
3701 | |||||
3702 | bool Sema::InstantiateClassTemplateSpecialization( | ||||
3703 | SourceLocation PointOfInstantiation, | ||||
3704 | ClassTemplateSpecializationDecl *ClassTemplateSpec, | ||||
3705 | TemplateSpecializationKind TSK, bool Complain) { | ||||
3706 | // Perform the actual instantiation on the canonical declaration. | ||||
3707 | ClassTemplateSpec = cast<ClassTemplateSpecializationDecl>( | ||||
3708 | ClassTemplateSpec->getCanonicalDecl()); | ||||
3709 | if (ClassTemplateSpec->isInvalidDecl()) | ||||
3710 | return true; | ||||
3711 | |||||
3712 | ActionResult<CXXRecordDecl *> Pattern = | ||||
3713 | getPatternForClassTemplateSpecialization(*this, PointOfInstantiation, | ||||
3714 | ClassTemplateSpec, TSK); | ||||
3715 | if (!Pattern.isUsable()) | ||||
3716 | return Pattern.isInvalid(); | ||||
3717 | |||||
3718 | return InstantiateClass( | ||||
3719 | PointOfInstantiation, ClassTemplateSpec, Pattern.get(), | ||||
3720 | getTemplateInstantiationArgs(ClassTemplateSpec), TSK, Complain); | ||||
3721 | } | ||||
3722 | |||||
3723 | /// Instantiates the definitions of all of the member | ||||
3724 | /// of the given class, which is an instantiation of a class template | ||||
3725 | /// or a member class of a template. | ||||
3726 | void | ||||
3727 | Sema::InstantiateClassMembers(SourceLocation PointOfInstantiation, | ||||
3728 | CXXRecordDecl *Instantiation, | ||||
3729 | const MultiLevelTemplateArgumentList &TemplateArgs, | ||||
3730 | TemplateSpecializationKind TSK) { | ||||
3731 | // FIXME: We need to notify the ASTMutationListener that we did all of these | ||||
3732 | // things, in case we have an explicit instantiation definition in a PCM, a | ||||
3733 | // module, or preamble, and the declaration is in an imported AST. | ||||
3734 | assert((static_cast <bool> ((TSK == TSK_ExplicitInstantiationDefinition || TSK == TSK_ExplicitInstantiationDeclaration || (TSK == TSK_ImplicitInstantiation && Instantiation->isLocalClass())) && "Unexpected template specialization kind!" ) ? void (0) : __assert_fail ("(TSK == TSK_ExplicitInstantiationDefinition || TSK == TSK_ExplicitInstantiationDeclaration || (TSK == TSK_ImplicitInstantiation && Instantiation->isLocalClass())) && \"Unexpected template specialization kind!\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3738, __extension__ __PRETTY_FUNCTION__)) | ||||
3735 | (TSK == TSK_ExplicitInstantiationDefinition ||(static_cast <bool> ((TSK == TSK_ExplicitInstantiationDefinition || TSK == TSK_ExplicitInstantiationDeclaration || (TSK == TSK_ImplicitInstantiation && Instantiation->isLocalClass())) && "Unexpected template specialization kind!" ) ? void (0) : __assert_fail ("(TSK == TSK_ExplicitInstantiationDefinition || TSK == TSK_ExplicitInstantiationDeclaration || (TSK == TSK_ImplicitInstantiation && Instantiation->isLocalClass())) && \"Unexpected template specialization kind!\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3738, __extension__ __PRETTY_FUNCTION__)) | ||||
3736 | TSK == TSK_ExplicitInstantiationDeclaration ||(static_cast <bool> ((TSK == TSK_ExplicitInstantiationDefinition || TSK == TSK_ExplicitInstantiationDeclaration || (TSK == TSK_ImplicitInstantiation && Instantiation->isLocalClass())) && "Unexpected template specialization kind!" ) ? void (0) : __assert_fail ("(TSK == TSK_ExplicitInstantiationDefinition || TSK == TSK_ExplicitInstantiationDeclaration || (TSK == TSK_ImplicitInstantiation && Instantiation->isLocalClass())) && \"Unexpected template specialization kind!\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3738, __extension__ __PRETTY_FUNCTION__)) | ||||
3737 | (TSK == TSK_ImplicitInstantiation && Instantiation->isLocalClass())) &&(static_cast <bool> ((TSK == TSK_ExplicitInstantiationDefinition || TSK == TSK_ExplicitInstantiationDeclaration || (TSK == TSK_ImplicitInstantiation && Instantiation->isLocalClass())) && "Unexpected template specialization kind!" ) ? void (0) : __assert_fail ("(TSK == TSK_ExplicitInstantiationDefinition || TSK == TSK_ExplicitInstantiationDeclaration || (TSK == TSK_ImplicitInstantiation && Instantiation->isLocalClass())) && \"Unexpected template specialization kind!\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3738, __extension__ __PRETTY_FUNCTION__)) | ||||
3738 | "Unexpected template specialization kind!")(static_cast <bool> ((TSK == TSK_ExplicitInstantiationDefinition || TSK == TSK_ExplicitInstantiationDeclaration || (TSK == TSK_ImplicitInstantiation && Instantiation->isLocalClass())) && "Unexpected template specialization kind!" ) ? void (0) : __assert_fail ("(TSK == TSK_ExplicitInstantiationDefinition || TSK == TSK_ExplicitInstantiationDeclaration || (TSK == TSK_ImplicitInstantiation && Instantiation->isLocalClass())) && \"Unexpected template specialization kind!\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3738, __extension__ __PRETTY_FUNCTION__)); | ||||
3739 | for (auto *D : Instantiation->decls()) { | ||||
3740 | bool SuppressNew = false; | ||||
3741 | if (auto *Function = dyn_cast<FunctionDecl>(D)) { | ||||
3742 | if (FunctionDecl *Pattern = | ||||
3743 | Function->getInstantiatedFromMemberFunction()) { | ||||
3744 | |||||
3745 | if (Function->isIneligibleOrNotSelected()) | ||||
3746 | continue; | ||||
3747 | |||||
3748 | if (Function->getTrailingRequiresClause()) { | ||||
3749 | ConstraintSatisfaction Satisfaction; | ||||
3750 | if (CheckFunctionConstraints(Function, Satisfaction) || | ||||
3751 | !Satisfaction.IsSatisfied) { | ||||
3752 | continue; | ||||
3753 | } | ||||
3754 | } | ||||
3755 | |||||
3756 | if (Function->hasAttr<ExcludeFromExplicitInstantiationAttr>()) | ||||
3757 | continue; | ||||
3758 | |||||
3759 | MemberSpecializationInfo *MSInfo = | ||||
3760 | Function->getMemberSpecializationInfo(); | ||||
3761 | assert(MSInfo && "No member specialization information?")(static_cast <bool> (MSInfo && "No member specialization information?" ) ? void (0) : __assert_fail ("MSInfo && \"No member specialization information?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3761, __extension__ __PRETTY_FUNCTION__)); | ||||
3762 | if (MSInfo->getTemplateSpecializationKind() | ||||
3763 | == TSK_ExplicitSpecialization) | ||||
3764 | continue; | ||||
3765 | |||||
3766 | if (CheckSpecializationInstantiationRedecl(PointOfInstantiation, TSK, | ||||
3767 | Function, | ||||
3768 | MSInfo->getTemplateSpecializationKind(), | ||||
3769 | MSInfo->getPointOfInstantiation(), | ||||
3770 | SuppressNew) || | ||||
3771 | SuppressNew) | ||||
3772 | continue; | ||||
3773 | |||||
3774 | // C++11 [temp.explicit]p8: | ||||
3775 | // An explicit instantiation definition that names a class template | ||||
3776 | // specialization explicitly instantiates the class template | ||||
3777 | // specialization and is only an explicit instantiation definition | ||||
3778 | // of members whose definition is visible at the point of | ||||
3779 | // instantiation. | ||||
3780 | if (TSK == TSK_ExplicitInstantiationDefinition && !Pattern->isDefined()) | ||||
3781 | continue; | ||||
3782 | |||||
3783 | Function->setTemplateSpecializationKind(TSK, PointOfInstantiation); | ||||
3784 | |||||
3785 | if (Function->isDefined()) { | ||||
3786 | // Let the ASTConsumer know that this function has been explicitly | ||||
3787 | // instantiated now, and its linkage might have changed. | ||||
3788 | Consumer.HandleTopLevelDecl(DeclGroupRef(Function)); | ||||
3789 | } else if (TSK == TSK_ExplicitInstantiationDefinition) { | ||||
3790 | InstantiateFunctionDefinition(PointOfInstantiation, Function); | ||||
3791 | } else if (TSK == TSK_ImplicitInstantiation) { | ||||
3792 | PendingLocalImplicitInstantiations.push_back( | ||||
3793 | std::make_pair(Function, PointOfInstantiation)); | ||||
3794 | } | ||||
3795 | } | ||||
3796 | } else if (auto *Var = dyn_cast<VarDecl>(D)) { | ||||
3797 | if (isa<VarTemplateSpecializationDecl>(Var)) | ||||
3798 | continue; | ||||
3799 | |||||
3800 | if (Var->isStaticDataMember()) { | ||||
3801 | if (Var->hasAttr<ExcludeFromExplicitInstantiationAttr>()) | ||||
3802 | continue; | ||||
3803 | |||||
3804 | MemberSpecializationInfo *MSInfo = Var->getMemberSpecializationInfo(); | ||||
3805 | assert(MSInfo && "No member specialization information?")(static_cast <bool> (MSInfo && "No member specialization information?" ) ? void (0) : __assert_fail ("MSInfo && \"No member specialization information?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3805, __extension__ __PRETTY_FUNCTION__)); | ||||
3806 | if (MSInfo->getTemplateSpecializationKind() | ||||
3807 | == TSK_ExplicitSpecialization) | ||||
3808 | continue; | ||||
3809 | |||||
3810 | if (CheckSpecializationInstantiationRedecl(PointOfInstantiation, TSK, | ||||
3811 | Var, | ||||
3812 | MSInfo->getTemplateSpecializationKind(), | ||||
3813 | MSInfo->getPointOfInstantiation(), | ||||
3814 | SuppressNew) || | ||||
3815 | SuppressNew) | ||||
3816 | continue; | ||||
3817 | |||||
3818 | if (TSK == TSK_ExplicitInstantiationDefinition) { | ||||
3819 | // C++0x [temp.explicit]p8: | ||||
3820 | // An explicit instantiation definition that names a class template | ||||
3821 | // specialization explicitly instantiates the class template | ||||
3822 | // specialization and is only an explicit instantiation definition | ||||
3823 | // of members whose definition is visible at the point of | ||||
3824 | // instantiation. | ||||
3825 | if (!Var->getInstantiatedFromStaticDataMember()->getDefinition()) | ||||
3826 | continue; | ||||
3827 | |||||
3828 | Var->setTemplateSpecializationKind(TSK, PointOfInstantiation); | ||||
3829 | InstantiateVariableDefinition(PointOfInstantiation, Var); | ||||
3830 | } else { | ||||
3831 | Var->setTemplateSpecializationKind(TSK, PointOfInstantiation); | ||||
3832 | } | ||||
3833 | } | ||||
3834 | } else if (auto *Record = dyn_cast<CXXRecordDecl>(D)) { | ||||
3835 | if (Record->hasAttr<ExcludeFromExplicitInstantiationAttr>()) | ||||
3836 | continue; | ||||
3837 | |||||
3838 | // Always skip the injected-class-name, along with any | ||||
3839 | // redeclarations of nested classes, since both would cause us | ||||
3840 | // to try to instantiate the members of a class twice. | ||||
3841 | // Skip closure types; they'll get instantiated when we instantiate | ||||
3842 | // the corresponding lambda-expression. | ||||
3843 | if (Record->isInjectedClassName() || Record->getPreviousDecl() || | ||||
3844 | Record->isLambda()) | ||||
3845 | continue; | ||||
3846 | |||||
3847 | MemberSpecializationInfo *MSInfo = Record->getMemberSpecializationInfo(); | ||||
3848 | assert(MSInfo && "No member specialization information?")(static_cast <bool> (MSInfo && "No member specialization information?" ) ? void (0) : __assert_fail ("MSInfo && \"No member specialization information?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3848, __extension__ __PRETTY_FUNCTION__)); | ||||
3849 | |||||
3850 | if (MSInfo->getTemplateSpecializationKind() | ||||
3851 | == TSK_ExplicitSpecialization) | ||||
3852 | continue; | ||||
3853 | |||||
3854 | if (Context.getTargetInfo().getTriple().isOSWindows() && | ||||
3855 | TSK == TSK_ExplicitInstantiationDeclaration) { | ||||
3856 | // On Windows, explicit instantiation decl of the outer class doesn't | ||||
3857 | // affect the inner class. Typically extern template declarations are | ||||
3858 | // used in combination with dll import/export annotations, but those | ||||
3859 | // are not propagated from the outer class templates to inner classes. | ||||
3860 | // Therefore, do not instantiate inner classes on this platform, so | ||||
3861 | // that users don't end up with undefined symbols during linking. | ||||
3862 | continue; | ||||
3863 | } | ||||
3864 | |||||
3865 | if (CheckSpecializationInstantiationRedecl(PointOfInstantiation, TSK, | ||||
3866 | Record, | ||||
3867 | MSInfo->getTemplateSpecializationKind(), | ||||
3868 | MSInfo->getPointOfInstantiation(), | ||||
3869 | SuppressNew) || | ||||
3870 | SuppressNew) | ||||
3871 | continue; | ||||
3872 | |||||
3873 | CXXRecordDecl *Pattern = Record->getInstantiatedFromMemberClass(); | ||||
3874 | assert(Pattern && "Missing instantiated-from-template information")(static_cast <bool> (Pattern && "Missing instantiated-from-template information" ) ? void (0) : __assert_fail ("Pattern && \"Missing instantiated-from-template information\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3874, __extension__ __PRETTY_FUNCTION__)); | ||||
3875 | |||||
3876 | if (!Record->getDefinition()) { | ||||
3877 | if (!Pattern->getDefinition()) { | ||||
3878 | // C++0x [temp.explicit]p8: | ||||
3879 | // An explicit instantiation definition that names a class template | ||||
3880 | // specialization explicitly instantiates the class template | ||||
3881 | // specialization and is only an explicit instantiation definition | ||||
3882 | // of members whose definition is visible at the point of | ||||
3883 | // instantiation. | ||||
3884 | if (TSK == TSK_ExplicitInstantiationDeclaration) { | ||||
3885 | MSInfo->setTemplateSpecializationKind(TSK); | ||||
3886 | MSInfo->setPointOfInstantiation(PointOfInstantiation); | ||||
3887 | } | ||||
3888 | |||||
3889 | continue; | ||||
3890 | } | ||||
3891 | |||||
3892 | InstantiateClass(PointOfInstantiation, Record, Pattern, | ||||
3893 | TemplateArgs, | ||||
3894 | TSK); | ||||
3895 | } else { | ||||
3896 | if (TSK == TSK_ExplicitInstantiationDefinition && | ||||
3897 | Record->getTemplateSpecializationKind() == | ||||
3898 | TSK_ExplicitInstantiationDeclaration) { | ||||
3899 | Record->setTemplateSpecializationKind(TSK); | ||||
3900 | MarkVTableUsed(PointOfInstantiation, Record, true); | ||||
3901 | } | ||||
3902 | } | ||||
3903 | |||||
3904 | Pattern = cast_or_null<CXXRecordDecl>(Record->getDefinition()); | ||||
3905 | if (Pattern) | ||||
3906 | InstantiateClassMembers(PointOfInstantiation, Pattern, TemplateArgs, | ||||
3907 | TSK); | ||||
3908 | } else if (auto *Enum = dyn_cast<EnumDecl>(D)) { | ||||
3909 | MemberSpecializationInfo *MSInfo = Enum->getMemberSpecializationInfo(); | ||||
3910 | assert(MSInfo && "No member specialization information?")(static_cast <bool> (MSInfo && "No member specialization information?" ) ? void (0) : __assert_fail ("MSInfo && \"No member specialization information?\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3910, __extension__ __PRETTY_FUNCTION__)); | ||||
3911 | |||||
3912 | if (MSInfo->getTemplateSpecializationKind() | ||||
3913 | == TSK_ExplicitSpecialization) | ||||
3914 | continue; | ||||
3915 | |||||
3916 | if (CheckSpecializationInstantiationRedecl( | ||||
3917 | PointOfInstantiation, TSK, Enum, | ||||
3918 | MSInfo->getTemplateSpecializationKind(), | ||||
3919 | MSInfo->getPointOfInstantiation(), SuppressNew) || | ||||
3920 | SuppressNew) | ||||
3921 | continue; | ||||
3922 | |||||
3923 | if (Enum->getDefinition()) | ||||
3924 | continue; | ||||
3925 | |||||
3926 | EnumDecl *Pattern = Enum->getTemplateInstantiationPattern(); | ||||
3927 | assert(Pattern && "Missing instantiated-from-template information")(static_cast <bool> (Pattern && "Missing instantiated-from-template information" ) ? void (0) : __assert_fail ("Pattern && \"Missing instantiated-from-template information\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3927, __extension__ __PRETTY_FUNCTION__)); | ||||
3928 | |||||
3929 | if (TSK == TSK_ExplicitInstantiationDefinition) { | ||||
3930 | if (!Pattern->getDefinition()) | ||||
3931 | continue; | ||||
3932 | |||||
3933 | InstantiateEnum(PointOfInstantiation, Enum, Pattern, TemplateArgs, TSK); | ||||
3934 | } else { | ||||
3935 | MSInfo->setTemplateSpecializationKind(TSK); | ||||
3936 | MSInfo->setPointOfInstantiation(PointOfInstantiation); | ||||
3937 | } | ||||
3938 | } else if (auto *Field = dyn_cast<FieldDecl>(D)) { | ||||
3939 | // No need to instantiate in-class initializers during explicit | ||||
3940 | // instantiation. | ||||
3941 | if (Field->hasInClassInitializer() && TSK == TSK_ImplicitInstantiation) { | ||||
3942 | CXXRecordDecl *ClassPattern = | ||||
3943 | Instantiation->getTemplateInstantiationPattern(); | ||||
3944 | DeclContext::lookup_result Lookup = | ||||
3945 | ClassPattern->lookup(Field->getDeclName()); | ||||
3946 | FieldDecl *Pattern = Lookup.find_first<FieldDecl>(); | ||||
3947 | assert(Pattern)(static_cast <bool> (Pattern) ? void (0) : __assert_fail ("Pattern", "clang/lib/Sema/SemaTemplateInstantiate.cpp", 3947 , __extension__ __PRETTY_FUNCTION__)); | ||||
3948 | InstantiateInClassInitializer(PointOfInstantiation, Field, Pattern, | ||||
3949 | TemplateArgs); | ||||
3950 | } | ||||
3951 | } | ||||
3952 | } | ||||
3953 | } | ||||
3954 | |||||
3955 | /// Instantiate the definitions of all of the members of the | ||||
3956 | /// given class template specialization, which was named as part of an | ||||
3957 | /// explicit instantiation. | ||||
3958 | void | ||||
3959 | Sema::InstantiateClassTemplateSpecializationMembers( | ||||
3960 | SourceLocation PointOfInstantiation, | ||||
3961 | ClassTemplateSpecializationDecl *ClassTemplateSpec, | ||||
3962 | TemplateSpecializationKind TSK) { | ||||
3963 | // C++0x [temp.explicit]p7: | ||||
3964 | // An explicit instantiation that names a class template | ||||
3965 | // specialization is an explicit instantion of the same kind | ||||
3966 | // (declaration or definition) of each of its members (not | ||||
3967 | // including members inherited from base classes) that has not | ||||
3968 | // been previously explicitly specialized in the translation unit | ||||
3969 | // containing the explicit instantiation, except as described | ||||
3970 | // below. | ||||
3971 | InstantiateClassMembers(PointOfInstantiation, ClassTemplateSpec, | ||||
3972 | getTemplateInstantiationArgs(ClassTemplateSpec), | ||||
3973 | TSK); | ||||
3974 | } | ||||
3975 | |||||
3976 | StmtResult | ||||
3977 | Sema::SubstStmt(Stmt *S, const MultiLevelTemplateArgumentList &TemplateArgs) { | ||||
3978 | if (!S) | ||||
3979 | return S; | ||||
3980 | |||||
3981 | TemplateInstantiator Instantiator(*this, TemplateArgs, | ||||
3982 | SourceLocation(), | ||||
3983 | DeclarationName()); | ||||
3984 | return Instantiator.TransformStmt(S); | ||||
3985 | } | ||||
3986 | |||||
3987 | bool Sema::SubstTemplateArguments( | ||||
3988 | ArrayRef<TemplateArgumentLoc> Args, | ||||
3989 | const MultiLevelTemplateArgumentList &TemplateArgs, | ||||
3990 | TemplateArgumentListInfo &Out) { | ||||
3991 | TemplateInstantiator Instantiator(*this, TemplateArgs, SourceLocation(), | ||||
3992 | DeclarationName()); | ||||
3993 | return Instantiator.TransformTemplateArguments(Args.begin(), Args.end(), Out); | ||||
3994 | } | ||||
3995 | |||||
3996 | ExprResult | ||||
3997 | Sema::SubstExpr(Expr *E, const MultiLevelTemplateArgumentList &TemplateArgs) { | ||||
3998 | if (!E) | ||||
3999 | return E; | ||||
4000 | |||||
4001 | TemplateInstantiator Instantiator(*this, TemplateArgs, | ||||
4002 | SourceLocation(), | ||||
4003 | DeclarationName()); | ||||
4004 | return Instantiator.TransformExpr(E); | ||||
4005 | } | ||||
4006 | |||||
4007 | ExprResult | ||||
4008 | Sema::SubstConstraintExpr(Expr *E, | ||||
4009 | const MultiLevelTemplateArgumentList &TemplateArgs) { | ||||
4010 | if (!E) | ||||
4011 | return E; | ||||
4012 | |||||
4013 | // This is where we need to make sure we 'know' constraint checking needs to | ||||
4014 | // happen. | ||||
4015 | TemplateInstantiator Instantiator(*this, TemplateArgs, SourceLocation(), | ||||
4016 | DeclarationName()); | ||||
4017 | return Instantiator.TransformExpr(E); | ||||
4018 | } | ||||
4019 | |||||
4020 | ExprResult Sema::SubstInitializer(Expr *Init, | ||||
4021 | const MultiLevelTemplateArgumentList &TemplateArgs, | ||||
4022 | bool CXXDirectInit) { | ||||
4023 | TemplateInstantiator Instantiator(*this, TemplateArgs, SourceLocation(), | ||||
4024 | DeclarationName()); | ||||
4025 | return Instantiator.TransformInitializer(Init, CXXDirectInit); | ||||
4026 | } | ||||
4027 | |||||
4028 | bool Sema::SubstExprs(ArrayRef<Expr *> Exprs, bool IsCall, | ||||
4029 | const MultiLevelTemplateArgumentList &TemplateArgs, | ||||
4030 | SmallVectorImpl<Expr *> &Outputs) { | ||||
4031 | if (Exprs.empty()) | ||||
4032 | return false; | ||||
4033 | |||||
4034 | TemplateInstantiator Instantiator(*this, TemplateArgs, | ||||
4035 | SourceLocation(), | ||||
4036 | DeclarationName()); | ||||
4037 | return Instantiator.TransformExprs(Exprs.data(), Exprs.size(), | ||||
4038 | IsCall, Outputs); | ||||
4039 | } | ||||
4040 | |||||
4041 | NestedNameSpecifierLoc | ||||
4042 | Sema::SubstNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS, | ||||
4043 | const MultiLevelTemplateArgumentList &TemplateArgs) { | ||||
4044 | if (!NNS) | ||||
4045 | return NestedNameSpecifierLoc(); | ||||
4046 | |||||
4047 | TemplateInstantiator Instantiator(*this, TemplateArgs, NNS.getBeginLoc(), | ||||
4048 | DeclarationName()); | ||||
4049 | return Instantiator.TransformNestedNameSpecifierLoc(NNS); | ||||
4050 | } | ||||
4051 | |||||
4052 | /// Do template substitution on declaration name info. | ||||
4053 | DeclarationNameInfo | ||||
4054 | Sema::SubstDeclarationNameInfo(const DeclarationNameInfo &NameInfo, | ||||
4055 | const MultiLevelTemplateArgumentList &TemplateArgs) { | ||||
4056 | TemplateInstantiator Instantiator(*this, TemplateArgs, NameInfo.getLoc(), | ||||
4057 | NameInfo.getName()); | ||||
4058 | return Instantiator.TransformDeclarationNameInfo(NameInfo); | ||||
4059 | } | ||||
4060 | |||||
4061 | TemplateName | ||||
4062 | Sema::SubstTemplateName(NestedNameSpecifierLoc QualifierLoc, | ||||
4063 | TemplateName Name, SourceLocation Loc, | ||||
4064 | const MultiLevelTemplateArgumentList &TemplateArgs) { | ||||
4065 | TemplateInstantiator Instantiator(*this, TemplateArgs, Loc, | ||||
4066 | DeclarationName()); | ||||
4067 | CXXScopeSpec SS; | ||||
4068 | SS.Adopt(QualifierLoc); | ||||
4069 | return Instantiator.TransformTemplateName(SS, Name, Loc); | ||||
4070 | } | ||||
4071 | |||||
4072 | static const Decl *getCanonicalParmVarDecl(const Decl *D) { | ||||
4073 | // When storing ParmVarDecls in the local instantiation scope, we always | ||||
4074 | // want to use the ParmVarDecl from the canonical function declaration, | ||||
4075 | // since the map is then valid for any redeclaration or definition of that | ||||
4076 | // function. | ||||
4077 | if (const ParmVarDecl *PV = dyn_cast<ParmVarDecl>(D)) { | ||||
4078 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(PV->getDeclContext())) { | ||||
4079 | unsigned i = PV->getFunctionScopeIndex(); | ||||
4080 | // This parameter might be from a freestanding function type within the | ||||
4081 | // function and isn't necessarily referring to one of FD's parameters. | ||||
4082 | if (i < FD->getNumParams() && FD->getParamDecl(i) == PV) | ||||
4083 | return FD->getCanonicalDecl()->getParamDecl(i); | ||||
4084 | } | ||||
4085 | } | ||||
4086 | return D; | ||||
4087 | } | ||||
4088 | |||||
4089 | |||||
4090 | llvm::PointerUnion<Decl *, LocalInstantiationScope::DeclArgumentPack *> * | ||||
4091 | LocalInstantiationScope::findInstantiationOf(const Decl *D) { | ||||
4092 | D = getCanonicalParmVarDecl(D); | ||||
4093 | for (LocalInstantiationScope *Current = this; Current; | ||||
4094 | Current = Current->Outer) { | ||||
4095 | |||||
4096 | // Check if we found something within this scope. | ||||
4097 | const Decl *CheckD = D; | ||||
4098 | do { | ||||
4099 | LocalDeclsMap::iterator Found = Current->LocalDecls.find(CheckD); | ||||
4100 | if (Found != Current->LocalDecls.end()) | ||||
4101 | return &Found->second; | ||||
4102 | |||||
4103 | // If this is a tag declaration, it's possible that we need to look for | ||||
4104 | // a previous declaration. | ||||
4105 | if (const TagDecl *Tag = dyn_cast<TagDecl>(CheckD)) | ||||
4106 | CheckD = Tag->getPreviousDecl(); | ||||
4107 | else | ||||
4108 | CheckD = nullptr; | ||||
4109 | } while (CheckD); | ||||
4110 | |||||
4111 | // If we aren't combined with our outer scope, we're done. | ||||
4112 | if (!Current->CombineWithOuterScope) | ||||
4113 | break; | ||||
4114 | } | ||||
4115 | |||||
4116 | // If we're performing a partial substitution during template argument | ||||
4117 | // deduction, we may not have values for template parameters yet. | ||||
4118 | if (isa<NonTypeTemplateParmDecl>(D) || isa<TemplateTypeParmDecl>(D) || | ||||
4119 | isa<TemplateTemplateParmDecl>(D)) | ||||
4120 | return nullptr; | ||||
4121 | |||||
4122 | // Local types referenced prior to definition may require instantiation. | ||||
4123 | if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D)) | ||||
4124 | if (RD->isLocalClass()) | ||||
4125 | return nullptr; | ||||
4126 | |||||
4127 | // Enumeration types referenced prior to definition may appear as a result of | ||||
4128 | // error recovery. | ||||
4129 | if (isa<EnumDecl>(D)) | ||||
4130 | return nullptr; | ||||
4131 | |||||
4132 | // Materialized typedefs/type alias for implicit deduction guides may require | ||||
4133 | // instantiation. | ||||
4134 | if (isa<TypedefNameDecl>(D) && | ||||
4135 | isa<CXXDeductionGuideDecl>(D->getDeclContext())) | ||||
4136 | return nullptr; | ||||
4137 | |||||
4138 | // If we didn't find the decl, then we either have a sema bug, or we have a | ||||
4139 | // forward reference to a label declaration. Return null to indicate that | ||||
4140 | // we have an uninstantiated label. | ||||
4141 | assert(isa<LabelDecl>(D) && "declaration not instantiated in this scope")(static_cast <bool> (isa<LabelDecl>(D) && "declaration not instantiated in this scope") ? void (0) : __assert_fail ("isa<LabelDecl>(D) && \"declaration not instantiated in this scope\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 4141, __extension__ __PRETTY_FUNCTION__)); | ||||
4142 | return nullptr; | ||||
4143 | } | ||||
4144 | |||||
4145 | void LocalInstantiationScope::InstantiatedLocal(const Decl *D, Decl *Inst) { | ||||
4146 | D = getCanonicalParmVarDecl(D); | ||||
4147 | llvm::PointerUnion<Decl *, DeclArgumentPack *> &Stored = LocalDecls[D]; | ||||
4148 | if (Stored.isNull()) { | ||||
4149 | #ifndef NDEBUG | ||||
4150 | // It should not be present in any surrounding scope either. | ||||
4151 | LocalInstantiationScope *Current = this; | ||||
4152 | while (Current->CombineWithOuterScope && Current->Outer) { | ||||
4153 | Current = Current->Outer; | ||||
4154 | assert(Current->LocalDecls.find(D) == Current->LocalDecls.end() &&(static_cast <bool> (Current->LocalDecls.find(D) == Current ->LocalDecls.end() && "Instantiated local in inner and outer scopes" ) ? void (0) : __assert_fail ("Current->LocalDecls.find(D) == Current->LocalDecls.end() && \"Instantiated local in inner and outer scopes\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 4155, __extension__ __PRETTY_FUNCTION__)) | ||||
4155 | "Instantiated local in inner and outer scopes")(static_cast <bool> (Current->LocalDecls.find(D) == Current ->LocalDecls.end() && "Instantiated local in inner and outer scopes" ) ? void (0) : __assert_fail ("Current->LocalDecls.find(D) == Current->LocalDecls.end() && \"Instantiated local in inner and outer scopes\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 4155, __extension__ __PRETTY_FUNCTION__)); | ||||
4156 | } | ||||
4157 | #endif | ||||
4158 | Stored = Inst; | ||||
4159 | } else if (DeclArgumentPack *Pack = Stored.dyn_cast<DeclArgumentPack *>()) { | ||||
4160 | Pack->push_back(cast<VarDecl>(Inst)); | ||||
4161 | } else { | ||||
4162 | assert(Stored.get<Decl *>() == Inst && "Already instantiated this local")(static_cast <bool> (Stored.get<Decl *>() == Inst && "Already instantiated this local") ? void (0) : __assert_fail ("Stored.get<Decl *>() == Inst && \"Already instantiated this local\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 4162, __extension__ __PRETTY_FUNCTION__)); | ||||
4163 | } | ||||
4164 | } | ||||
4165 | |||||
4166 | void LocalInstantiationScope::InstantiatedLocalPackArg(const Decl *D, | ||||
4167 | VarDecl *Inst) { | ||||
4168 | D = getCanonicalParmVarDecl(D); | ||||
4169 | DeclArgumentPack *Pack = LocalDecls[D].get<DeclArgumentPack *>(); | ||||
4170 | Pack->push_back(Inst); | ||||
4171 | } | ||||
4172 | |||||
4173 | void LocalInstantiationScope::MakeInstantiatedLocalArgPack(const Decl *D) { | ||||
4174 | #ifndef NDEBUG | ||||
4175 | // This should be the first time we've been told about this decl. | ||||
4176 | for (LocalInstantiationScope *Current = this; | ||||
4177 | Current && Current->CombineWithOuterScope; Current = Current->Outer) | ||||
4178 | assert(Current->LocalDecls.find(D) == Current->LocalDecls.end() &&(static_cast <bool> (Current->LocalDecls.find(D) == Current ->LocalDecls.end() && "Creating local pack after instantiation of local" ) ? void (0) : __assert_fail ("Current->LocalDecls.find(D) == Current->LocalDecls.end() && \"Creating local pack after instantiation of local\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 4179, __extension__ __PRETTY_FUNCTION__)) | ||||
4179 | "Creating local pack after instantiation of local")(static_cast <bool> (Current->LocalDecls.find(D) == Current ->LocalDecls.end() && "Creating local pack after instantiation of local" ) ? void (0) : __assert_fail ("Current->LocalDecls.find(D) == Current->LocalDecls.end() && \"Creating local pack after instantiation of local\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 4179, __extension__ __PRETTY_FUNCTION__)); | ||||
4180 | #endif | ||||
4181 | |||||
4182 | D = getCanonicalParmVarDecl(D); | ||||
4183 | llvm::PointerUnion<Decl *, DeclArgumentPack *> &Stored = LocalDecls[D]; | ||||
4184 | DeclArgumentPack *Pack = new DeclArgumentPack; | ||||
4185 | Stored = Pack; | ||||
4186 | ArgumentPacks.push_back(Pack); | ||||
4187 | } | ||||
4188 | |||||
4189 | bool LocalInstantiationScope::isLocalPackExpansion(const Decl *D) { | ||||
4190 | for (DeclArgumentPack *Pack : ArgumentPacks) | ||||
4191 | if (llvm::is_contained(*Pack, D)) | ||||
4192 | return true; | ||||
4193 | return false; | ||||
4194 | } | ||||
4195 | |||||
4196 | void LocalInstantiationScope::SetPartiallySubstitutedPack(NamedDecl *Pack, | ||||
4197 | const TemplateArgument *ExplicitArgs, | ||||
4198 | unsigned NumExplicitArgs) { | ||||
4199 | assert((!PartiallySubstitutedPack || PartiallySubstitutedPack == Pack) &&(static_cast <bool> ((!PartiallySubstitutedPack || PartiallySubstitutedPack == Pack) && "Already have a partially-substituted pack" ) ? void (0) : __assert_fail ("(!PartiallySubstitutedPack || PartiallySubstitutedPack == Pack) && \"Already have a partially-substituted pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 4200, __extension__ __PRETTY_FUNCTION__)) | ||||
4200 | "Already have a partially-substituted pack")(static_cast <bool> ((!PartiallySubstitutedPack || PartiallySubstitutedPack == Pack) && "Already have a partially-substituted pack" ) ? void (0) : __assert_fail ("(!PartiallySubstitutedPack || PartiallySubstitutedPack == Pack) && \"Already have a partially-substituted pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 4200, __extension__ __PRETTY_FUNCTION__)); | ||||
4201 | assert((!PartiallySubstitutedPack(static_cast <bool> ((!PartiallySubstitutedPack || NumArgsInPartiallySubstitutedPack == NumExplicitArgs) && "Wrong number of arguments in partially-substituted pack" ) ? void (0) : __assert_fail ("(!PartiallySubstitutedPack || NumArgsInPartiallySubstitutedPack == NumExplicitArgs) && \"Wrong number of arguments in partially-substituted pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 4203, __extension__ __PRETTY_FUNCTION__)) | ||||
4202 | || NumArgsInPartiallySubstitutedPack == NumExplicitArgs) &&(static_cast <bool> ((!PartiallySubstitutedPack || NumArgsInPartiallySubstitutedPack == NumExplicitArgs) && "Wrong number of arguments in partially-substituted pack" ) ? void (0) : __assert_fail ("(!PartiallySubstitutedPack || NumArgsInPartiallySubstitutedPack == NumExplicitArgs) && \"Wrong number of arguments in partially-substituted pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 4203, __extension__ __PRETTY_FUNCTION__)) | ||||
4203 | "Wrong number of arguments in partially-substituted pack")(static_cast <bool> ((!PartiallySubstitutedPack || NumArgsInPartiallySubstitutedPack == NumExplicitArgs) && "Wrong number of arguments in partially-substituted pack" ) ? void (0) : __assert_fail ("(!PartiallySubstitutedPack || NumArgsInPartiallySubstitutedPack == NumExplicitArgs) && \"Wrong number of arguments in partially-substituted pack\"" , "clang/lib/Sema/SemaTemplateInstantiate.cpp", 4203, __extension__ __PRETTY_FUNCTION__)); | ||||
4204 | PartiallySubstitutedPack = Pack; | ||||
4205 | ArgsInPartiallySubstitutedPack = ExplicitArgs; | ||||
4206 | NumArgsInPartiallySubstitutedPack = NumExplicitArgs; | ||||
4207 | } | ||||
4208 | |||||
4209 | NamedDecl *LocalInstantiationScope::getPartiallySubstitutedPack( | ||||
4210 | const TemplateArgument **ExplicitArgs, | ||||
4211 | unsigned *NumExplicitArgs) const { | ||||
4212 | if (ExplicitArgs) | ||||
4213 | *ExplicitArgs = nullptr; | ||||
4214 | if (NumExplicitArgs) | ||||
4215 | *NumExplicitArgs = 0; | ||||
4216 | |||||
4217 | for (const LocalInstantiationScope *Current = this; Current; | ||||
4218 | Current = Current->Outer) { | ||||
4219 | if (Current->PartiallySubstitutedPack) { | ||||
4220 | if (ExplicitArgs) | ||||
4221 | *ExplicitArgs = Current->ArgsInPartiallySubstitutedPack; | ||||
4222 | if (NumExplicitArgs) | ||||
4223 | *NumExplicitArgs = Current->NumArgsInPartiallySubstitutedPack; | ||||
4224 | |||||
4225 | return Current->PartiallySubstitutedPack; | ||||
4226 | } | ||||
4227 | |||||
4228 | if (!Current->CombineWithOuterScope) | ||||
4229 | break; | ||||
4230 | } | ||||
4231 | |||||
4232 | return nullptr; | ||||
4233 | } |
1 | //===------- TreeTransform.h - Semantic Tree Transformation -----*- C++ -*-===// | ||||
2 | // | ||||
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||||
4 | // See https://llvm.org/LICENSE.txt for license information. | ||||
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||||
6 | //===----------------------------------------------------------------------===// | ||||
7 | // | ||||
8 | // This file implements a semantic tree transformation that takes a given | ||||
9 | // AST and rebuilds it, possibly transforming some nodes in the process. | ||||
10 | // | ||||
11 | //===----------------------------------------------------------------------===// | ||||
12 | |||||
13 | #ifndef LLVM_CLANG_LIB_SEMA_TREETRANSFORM_H | ||||
14 | #define LLVM_CLANG_LIB_SEMA_TREETRANSFORM_H | ||||
15 | |||||
16 | #include "CoroutineStmtBuilder.h" | ||||
17 | #include "TypeLocBuilder.h" | ||||
18 | #include "clang/AST/Decl.h" | ||||
19 | #include "clang/AST/DeclObjC.h" | ||||
20 | #include "clang/AST/DeclTemplate.h" | ||||
21 | #include "clang/AST/Expr.h" | ||||
22 | #include "clang/AST/ExprCXX.h" | ||||
23 | #include "clang/AST/ExprConcepts.h" | ||||
24 | #include "clang/AST/ExprObjC.h" | ||||
25 | #include "clang/AST/ExprOpenMP.h" | ||||
26 | #include "clang/AST/OpenMPClause.h" | ||||
27 | #include "clang/AST/Stmt.h" | ||||
28 | #include "clang/AST/StmtCXX.h" | ||||
29 | #include "clang/AST/StmtObjC.h" | ||||
30 | #include "clang/AST/StmtOpenMP.h" | ||||
31 | #include "clang/Basic/DiagnosticParse.h" | ||||
32 | #include "clang/Basic/OpenMPKinds.h" | ||||
33 | #include "clang/Sema/Designator.h" | ||||
34 | #include "clang/Sema/EnterExpressionEvaluationContext.h" | ||||
35 | #include "clang/Sema/Lookup.h" | ||||
36 | #include "clang/Sema/Ownership.h" | ||||
37 | #include "clang/Sema/ParsedTemplate.h" | ||||
38 | #include "clang/Sema/ScopeInfo.h" | ||||
39 | #include "clang/Sema/SemaDiagnostic.h" | ||||
40 | #include "clang/Sema/SemaInternal.h" | ||||
41 | #include "llvm/ADT/ArrayRef.h" | ||||
42 | #include "llvm/Support/ErrorHandling.h" | ||||
43 | #include <algorithm> | ||||
44 | #include <optional> | ||||
45 | |||||
46 | using namespace llvm::omp; | ||||
47 | |||||
48 | namespace clang { | ||||
49 | using namespace sema; | ||||
50 | |||||
51 | /// A semantic tree transformation that allows one to transform one | ||||
52 | /// abstract syntax tree into another. | ||||
53 | /// | ||||
54 | /// A new tree transformation is defined by creating a new subclass \c X of | ||||
55 | /// \c TreeTransform<X> and then overriding certain operations to provide | ||||
56 | /// behavior specific to that transformation. For example, template | ||||
57 | /// instantiation is implemented as a tree transformation where the | ||||
58 | /// transformation of TemplateTypeParmType nodes involves substituting the | ||||
59 | /// template arguments for their corresponding template parameters; a similar | ||||
60 | /// transformation is performed for non-type template parameters and | ||||
61 | /// template template parameters. | ||||
62 | /// | ||||
63 | /// This tree-transformation template uses static polymorphism to allow | ||||
64 | /// subclasses to customize any of its operations. Thus, a subclass can | ||||
65 | /// override any of the transformation or rebuild operators by providing an | ||||
66 | /// operation with the same signature as the default implementation. The | ||||
67 | /// overriding function should not be virtual. | ||||
68 | /// | ||||
69 | /// Semantic tree transformations are split into two stages, either of which | ||||
70 | /// can be replaced by a subclass. The "transform" step transforms an AST node | ||||
71 | /// or the parts of an AST node using the various transformation functions, | ||||
72 | /// then passes the pieces on to the "rebuild" step, which constructs a new AST | ||||
73 | /// node of the appropriate kind from the pieces. The default transformation | ||||
74 | /// routines recursively transform the operands to composite AST nodes (e.g., | ||||
75 | /// the pointee type of a PointerType node) and, if any of those operand nodes | ||||
76 | /// were changed by the transformation, invokes the rebuild operation to create | ||||
77 | /// a new AST node. | ||||
78 | /// | ||||
79 | /// Subclasses can customize the transformation at various levels. The | ||||
80 | /// most coarse-grained transformations involve replacing TransformType(), | ||||
81 | /// TransformExpr(), TransformDecl(), TransformNestedNameSpecifierLoc(), | ||||
82 | /// TransformTemplateName(), or TransformTemplateArgument() with entirely | ||||
83 | /// new implementations. | ||||
84 | /// | ||||
85 | /// For more fine-grained transformations, subclasses can replace any of the | ||||
86 | /// \c TransformXXX functions (where XXX is the name of an AST node, e.g., | ||||
87 | /// PointerType, StmtExpr) to alter the transformation. As mentioned previously, | ||||
88 | /// replacing TransformTemplateTypeParmType() allows template instantiation | ||||
89 | /// to substitute template arguments for their corresponding template | ||||
90 | /// parameters. Additionally, subclasses can override the \c RebuildXXX | ||||
91 | /// functions to control how AST nodes are rebuilt when their operands change. | ||||
92 | /// By default, \c TreeTransform will invoke semantic analysis to rebuild | ||||
93 | /// AST nodes. However, certain other tree transformations (e.g, cloning) may | ||||
94 | /// be able to use more efficient rebuild steps. | ||||
95 | /// | ||||
96 | /// There are a handful of other functions that can be overridden, allowing one | ||||
97 | /// to avoid traversing nodes that don't need any transformation | ||||
98 | /// (\c AlreadyTransformed()), force rebuilding AST nodes even when their | ||||
99 | /// operands have not changed (\c AlwaysRebuild()), and customize the | ||||
100 | /// default locations and entity names used for type-checking | ||||
101 | /// (\c getBaseLocation(), \c getBaseEntity()). | ||||
102 | template<typename Derived> | ||||
103 | class TreeTransform { | ||||
104 | /// Private RAII object that helps us forget and then re-remember | ||||
105 | /// the template argument corresponding to a partially-substituted parameter | ||||
106 | /// pack. | ||||
107 | class ForgetPartiallySubstitutedPackRAII { | ||||
108 | Derived &Self; | ||||
109 | TemplateArgument Old; | ||||
110 | |||||
111 | public: | ||||
112 | ForgetPartiallySubstitutedPackRAII(Derived &Self) : Self(Self) { | ||||
113 | Old = Self.ForgetPartiallySubstitutedPack(); | ||||
114 | } | ||||
115 | |||||
116 | ~ForgetPartiallySubstitutedPackRAII() { | ||||
117 | Self.RememberPartiallySubstitutedPack(Old); | ||||
118 | } | ||||
119 | }; | ||||
120 | |||||
121 | protected: | ||||
122 | Sema &SemaRef; | ||||
123 | |||||
124 | /// The set of local declarations that have been transformed, for | ||||
125 | /// cases where we are forced to build new declarations within the transformer | ||||
126 | /// rather than in the subclass (e.g., lambda closure types). | ||||
127 | llvm::DenseMap<Decl *, Decl *> TransformedLocalDecls; | ||||
128 | |||||
129 | public: | ||||
130 | /// Initializes a new tree transformer. | ||||
131 | TreeTransform(Sema &SemaRef) : SemaRef(SemaRef) { } | ||||
132 | |||||
133 | /// Retrieves a reference to the derived class. | ||||
134 | Derived &getDerived() { return static_cast<Derived&>(*this); } | ||||
135 | |||||
136 | /// Retrieves a reference to the derived class. | ||||
137 | const Derived &getDerived() const { | ||||
138 | return static_cast<const Derived&>(*this); | ||||
139 | } | ||||
140 | |||||
141 | static inline ExprResult Owned(Expr *E) { return E; } | ||||
142 | static inline StmtResult Owned(Stmt *S) { return S; } | ||||
143 | |||||
144 | /// Retrieves a reference to the semantic analysis object used for | ||||
145 | /// this tree transform. | ||||
146 | Sema &getSema() const { return SemaRef; } | ||||
147 | |||||
148 | /// Whether the transformation should always rebuild AST nodes, even | ||||
149 | /// if none of the children have changed. | ||||
150 | /// | ||||
151 | /// Subclasses may override this function to specify when the transformation | ||||
152 | /// should rebuild all AST nodes. | ||||
153 | /// | ||||
154 | /// We must always rebuild all AST nodes when performing variadic template | ||||
155 | /// pack expansion, in order to avoid violating the AST invariant that each | ||||
156 | /// statement node appears at most once in its containing declaration. | ||||
157 | bool AlwaysRebuild() { return SemaRef.ArgumentPackSubstitutionIndex != -1; } | ||||
158 | |||||
159 | /// Whether the transformation is forming an expression or statement that | ||||
160 | /// replaces the original. In this case, we'll reuse mangling numbers from | ||||
161 | /// existing lambdas. | ||||
162 | bool ReplacingOriginal() { return false; } | ||||
163 | |||||
164 | /// Wether CXXConstructExpr can be skipped when they are implicit. | ||||
165 | /// They will be reconstructed when used if needed. | ||||
166 | /// This is useful when the user that cause rebuilding of the | ||||
167 | /// CXXConstructExpr is outside of the expression at which the TreeTransform | ||||
168 | /// started. | ||||
169 | bool AllowSkippingCXXConstructExpr() { return true; } | ||||
170 | |||||
171 | /// Returns the location of the entity being transformed, if that | ||||
172 | /// information was not available elsewhere in the AST. | ||||
173 | /// | ||||
174 | /// By default, returns no source-location information. Subclasses can | ||||
175 | /// provide an alternative implementation that provides better location | ||||
176 | /// information. | ||||
177 | SourceLocation getBaseLocation() { return SourceLocation(); } | ||||
178 | |||||
179 | /// Returns the name of the entity being transformed, if that | ||||
180 | /// information was not available elsewhere in the AST. | ||||
181 | /// | ||||
182 | /// By default, returns an empty name. Subclasses can provide an alternative | ||||
183 | /// implementation with a more precise name. | ||||
184 | DeclarationName getBaseEntity() { return DeclarationName(); } | ||||
185 | |||||
186 | /// Sets the "base" location and entity when that | ||||
187 | /// information is known based on another transformation. | ||||
188 | /// | ||||
189 | /// By default, the source location and entity are ignored. Subclasses can | ||||
190 | /// override this function to provide a customized implementation. | ||||
191 | void setBase(SourceLocation Loc, DeclarationName Entity) { } | ||||
192 | |||||
193 | /// RAII object that temporarily sets the base location and entity | ||||
194 | /// used for reporting diagnostics in types. | ||||
195 | class TemporaryBase { | ||||
196 | TreeTransform &Self; | ||||
197 | SourceLocation OldLocation; | ||||
198 | DeclarationName OldEntity; | ||||
199 | |||||
200 | public: | ||||
201 | TemporaryBase(TreeTransform &Self, SourceLocation Location, | ||||
202 | DeclarationName Entity) : Self(Self) { | ||||
203 | OldLocation = Self.getDerived().getBaseLocation(); | ||||
204 | OldEntity = Self.getDerived().getBaseEntity(); | ||||
205 | |||||
206 | if (Location.isValid()) | ||||
207 | Self.getDerived().setBase(Location, Entity); | ||||
208 | } | ||||
209 | |||||
210 | ~TemporaryBase() { | ||||
211 | Self.getDerived().setBase(OldLocation, OldEntity); | ||||
212 | } | ||||
213 | }; | ||||
214 | |||||
215 | /// Determine whether the given type \p T has already been | ||||
216 | /// transformed. | ||||
217 | /// | ||||
218 | /// Subclasses can provide an alternative implementation of this routine | ||||
219 | /// to short-circuit evaluation when it is known that a given type will | ||||
220 | /// not change. For example, template instantiation need not traverse | ||||
221 | /// non-dependent types. | ||||
222 | bool AlreadyTransformed(QualType T) { | ||||
223 | return T.isNull(); | ||||
224 | } | ||||
225 | |||||
226 | /// Transform a template parameter depth level. | ||||
227 | /// | ||||
228 | /// During a transformation that transforms template parameters, this maps | ||||
229 | /// an old template parameter depth to a new depth. | ||||
230 | unsigned TransformTemplateDepth(unsigned Depth) { | ||||
231 | return Depth; | ||||
232 | } | ||||
233 | |||||
234 | /// Determine whether the given call argument should be dropped, e.g., | ||||
235 | /// because it is a default argument. | ||||
236 | /// | ||||
237 | /// Subclasses can provide an alternative implementation of this routine to | ||||
238 | /// determine which kinds of call arguments get dropped. By default, | ||||
239 | /// CXXDefaultArgument nodes are dropped (prior to transformation). | ||||
240 | bool DropCallArgument(Expr *E) { | ||||
241 | return E->isDefaultArgument(); | ||||
242 | } | ||||
243 | |||||
244 | /// Determine whether we should expand a pack expansion with the | ||||
245 | /// given set of parameter packs into separate arguments by repeatedly | ||||
246 | /// transforming the pattern. | ||||
247 | /// | ||||
248 | /// By default, the transformer never tries to expand pack expansions. | ||||
249 | /// Subclasses can override this routine to provide different behavior. | ||||
250 | /// | ||||
251 | /// \param EllipsisLoc The location of the ellipsis that identifies the | ||||
252 | /// pack expansion. | ||||
253 | /// | ||||
254 | /// \param PatternRange The source range that covers the entire pattern of | ||||
255 | /// the pack expansion. | ||||
256 | /// | ||||
257 | /// \param Unexpanded The set of unexpanded parameter packs within the | ||||
258 | /// pattern. | ||||
259 | /// | ||||
260 | /// \param ShouldExpand Will be set to \c true if the transformer should | ||||
261 | /// expand the corresponding pack expansions into separate arguments. When | ||||
262 | /// set, \c NumExpansions must also be set. | ||||
263 | /// | ||||
264 | /// \param RetainExpansion Whether the caller should add an unexpanded | ||||
265 | /// pack expansion after all of the expanded arguments. This is used | ||||
266 | /// when extending explicitly-specified template argument packs per | ||||
267 | /// C++0x [temp.arg.explicit]p9. | ||||
268 | /// | ||||
269 | /// \param NumExpansions The number of separate arguments that will be in | ||||
270 | /// the expanded form of the corresponding pack expansion. This is both an | ||||
271 | /// input and an output parameter, which can be set by the caller if the | ||||
272 | /// number of expansions is known a priori (e.g., due to a prior substitution) | ||||
273 | /// and will be set by the callee when the number of expansions is known. | ||||
274 | /// The callee must set this value when \c ShouldExpand is \c true; it may | ||||
275 | /// set this value in other cases. | ||||
276 | /// | ||||
277 | /// \returns true if an error occurred (e.g., because the parameter packs | ||||
278 | /// are to be instantiated with arguments of different lengths), false | ||||
279 | /// otherwise. If false, \c ShouldExpand (and possibly \c NumExpansions) | ||||
280 | /// must be set. | ||||
281 | bool TryExpandParameterPacks(SourceLocation EllipsisLoc, | ||||
282 | SourceRange PatternRange, | ||||
283 | ArrayRef<UnexpandedParameterPack> Unexpanded, | ||||
284 | bool &ShouldExpand, bool &RetainExpansion, | ||||
285 | std::optional<unsigned> &NumExpansions) { | ||||
286 | ShouldExpand = false; | ||||
287 | return false; | ||||
288 | } | ||||
289 | |||||
290 | /// "Forget" about the partially-substituted pack template argument, | ||||
291 | /// when performing an instantiation that must preserve the parameter pack | ||||
292 | /// use. | ||||
293 | /// | ||||
294 | /// This routine is meant to be overridden by the template instantiator. | ||||
295 | TemplateArgument ForgetPartiallySubstitutedPack() { | ||||
296 | return TemplateArgument(); | ||||
297 | } | ||||
298 | |||||
299 | /// "Remember" the partially-substituted pack template argument | ||||
300 | /// after performing an instantiation that must preserve the parameter pack | ||||
301 | /// use. | ||||
302 | /// | ||||
303 | /// This routine is meant to be overridden by the template instantiator. | ||||
304 | void RememberPartiallySubstitutedPack(TemplateArgument Arg) { } | ||||
305 | |||||
306 | /// Note to the derived class when a function parameter pack is | ||||
307 | /// being expanded. | ||||
308 | void ExpandingFunctionParameterPack(ParmVarDecl *Pack) { } | ||||
309 | |||||
310 | /// Transforms the given type into another type. | ||||
311 | /// | ||||
312 | /// By default, this routine transforms a type by creating a | ||||
313 | /// TypeSourceInfo for it and delegating to the appropriate | ||||
314 | /// function. This is expensive, but we don't mind, because | ||||
315 | /// this method is deprecated anyway; all users should be | ||||
316 | /// switched to storing TypeSourceInfos. | ||||
317 | /// | ||||
318 | /// \returns the transformed type. | ||||
319 | QualType TransformType(QualType T); | ||||
320 | |||||
321 | /// Transforms the given type-with-location into a new | ||||
322 | /// type-with-location. | ||||
323 | /// | ||||
324 | /// By default, this routine transforms a type by delegating to the | ||||
325 | /// appropriate TransformXXXType to build a new type. Subclasses | ||||
326 | /// may override this function (to take over all type | ||||
327 | /// transformations) or some set of the TransformXXXType functions | ||||
328 | /// to alter the transformation. | ||||
329 | TypeSourceInfo *TransformType(TypeSourceInfo *DI); | ||||
330 | |||||
331 | /// Transform the given type-with-location into a new | ||||
332 | /// type, collecting location information in the given builder | ||||
333 | /// as necessary. | ||||
334 | /// | ||||
335 | QualType TransformType(TypeLocBuilder &TLB, TypeLoc TL); | ||||
336 | |||||
337 | /// Transform a type that is permitted to produce a | ||||
338 | /// DeducedTemplateSpecializationType. | ||||
339 | /// | ||||
340 | /// This is used in the (relatively rare) contexts where it is acceptable | ||||
341 | /// for transformation to produce a class template type with deduced | ||||
342 | /// template arguments. | ||||
343 | /// @{ | ||||
344 | QualType TransformTypeWithDeducedTST(QualType T); | ||||
345 | TypeSourceInfo *TransformTypeWithDeducedTST(TypeSourceInfo *DI); | ||||
346 | /// @} | ||||
347 | |||||
348 | /// The reason why the value of a statement is not discarded, if any. | ||||
349 | enum StmtDiscardKind { | ||||
350 | SDK_Discarded, | ||||
351 | SDK_NotDiscarded, | ||||
352 | SDK_StmtExprResult, | ||||
353 | }; | ||||
354 | |||||
355 | /// Transform the given statement. | ||||
356 | /// | ||||
357 | /// By default, this routine transforms a statement by delegating to the | ||||
358 | /// appropriate TransformXXXStmt function to transform a specific kind of | ||||
359 | /// statement or the TransformExpr() function to transform an expression. | ||||
360 | /// Subclasses may override this function to transform statements using some | ||||
361 | /// other mechanism. | ||||
362 | /// | ||||
363 | /// \returns the transformed statement. | ||||
364 | StmtResult TransformStmt(Stmt *S, StmtDiscardKind SDK = SDK_Discarded); | ||||
365 | |||||
366 | /// Transform the given statement. | ||||
367 | /// | ||||
368 | /// By default, this routine transforms a statement by delegating to the | ||||
369 | /// appropriate TransformOMPXXXClause function to transform a specific kind | ||||
370 | /// of clause. Subclasses may override this function to transform statements | ||||
371 | /// using some other mechanism. | ||||
372 | /// | ||||
373 | /// \returns the transformed OpenMP clause. | ||||
374 | OMPClause *TransformOMPClause(OMPClause *S); | ||||
375 | |||||
376 | /// Transform the given attribute. | ||||
377 | /// | ||||
378 | /// By default, this routine transforms a statement by delegating to the | ||||
379 | /// appropriate TransformXXXAttr function to transform a specific kind | ||||
380 | /// of attribute. Subclasses may override this function to transform | ||||
381 | /// attributed statements/types using some other mechanism. | ||||
382 | /// | ||||
383 | /// \returns the transformed attribute | ||||
384 | const Attr *TransformAttr(const Attr *S); | ||||
385 | |||||
386 | // Transform the given statement attribute. | ||||
387 | // | ||||
388 | // Delegates to the appropriate TransformXXXAttr function to transform a | ||||
389 | // specific kind of statement attribute. Unlike the non-statement taking | ||||
390 | // version of this, this implements all attributes, not just pragmas. | ||||
391 | const Attr *TransformStmtAttr(const Stmt *OrigS, const Stmt *InstS, | ||||
392 | const Attr *A); | ||||
393 | |||||
394 | // Transform the specified attribute. | ||||
395 | // | ||||
396 | // Subclasses should override the transformation of attributes with a pragma | ||||
397 | // spelling to transform expressions stored within the attribute. | ||||
398 | // | ||||
399 | // \returns the transformed attribute. | ||||
400 | #define ATTR(X) \ | ||||
401 | const X##Attr *Transform##X##Attr(const X##Attr *R) { return R; } | ||||
402 | #include "clang/Basic/AttrList.inc" | ||||
403 | |||||
404 | // Transform the specified attribute. | ||||
405 | // | ||||
406 | // Subclasses should override the transformation of attributes to do | ||||
407 | // transformation and checking of statement attributes. By default, this | ||||
408 | // delegates to the non-statement taking version. | ||||
409 | // | ||||
410 | // \returns the transformed attribute. | ||||
411 | #define ATTR(X) \ | ||||
412 | const X##Attr *TransformStmt##X##Attr(const Stmt *, const Stmt *, \ | ||||
413 | const X##Attr *A) { \ | ||||
414 | return getDerived().Transform##X##Attr(A); \ | ||||
415 | } | ||||
416 | #include "clang/Basic/AttrList.inc" | ||||
417 | |||||
418 | /// Transform the given expression. | ||||
419 | /// | ||||
420 | /// By default, this routine transforms an expression by delegating to the | ||||
421 | /// appropriate TransformXXXExpr function to build a new expression. | ||||
422 | /// Subclasses may override this function to transform expressions using some | ||||
423 | /// other mechanism. | ||||
424 | /// | ||||
425 | /// \returns the transformed expression. | ||||
426 | ExprResult TransformExpr(Expr *E); | ||||
427 | |||||
428 | /// Transform the given initializer. | ||||
429 | /// | ||||
430 | /// By default, this routine transforms an initializer by stripping off the | ||||
431 | /// semantic nodes added by initialization, then passing the result to | ||||
432 | /// TransformExpr or TransformExprs. | ||||
433 | /// | ||||
434 | /// \returns the transformed initializer. | ||||
435 | ExprResult TransformInitializer(Expr *Init, bool NotCopyInit); | ||||
436 | |||||
437 | /// Transform the given list of expressions. | ||||
438 | /// | ||||
439 | /// This routine transforms a list of expressions by invoking | ||||
440 | /// \c TransformExpr() for each subexpression. However, it also provides | ||||
441 | /// support for variadic templates by expanding any pack expansions (if the | ||||
442 | /// derived class permits such expansion) along the way. When pack expansions | ||||
443 | /// are present, the number of outputs may not equal the number of inputs. | ||||
444 | /// | ||||
445 | /// \param Inputs The set of expressions to be transformed. | ||||
446 | /// | ||||
447 | /// \param NumInputs The number of expressions in \c Inputs. | ||||
448 | /// | ||||
449 | /// \param IsCall If \c true, then this transform is being performed on | ||||
450 | /// function-call arguments, and any arguments that should be dropped, will | ||||
451 | /// be. | ||||
452 | /// | ||||
453 | /// \param Outputs The transformed input expressions will be added to this | ||||
454 | /// vector. | ||||
455 | /// | ||||
456 | /// \param ArgChanged If non-NULL, will be set \c true if any argument changed | ||||
457 | /// due to transformation. | ||||
458 | /// | ||||
459 | /// \returns true if an error occurred, false otherwise. | ||||
460 | bool TransformExprs(Expr *const *Inputs, unsigned NumInputs, bool IsCall, | ||||
461 | SmallVectorImpl<Expr *> &Outputs, | ||||
462 | bool *ArgChanged = nullptr); | ||||
463 | |||||
464 | /// Transform the given declaration, which is referenced from a type | ||||
465 | /// or expression. | ||||
466 | /// | ||||
467 | /// By default, acts as the identity function on declarations, unless the | ||||
468 | /// transformer has had to transform the declaration itself. Subclasses | ||||
469 | /// may override this function to provide alternate behavior. | ||||
470 | Decl *TransformDecl(SourceLocation Loc, Decl *D) { | ||||
471 | llvm::DenseMap<Decl *, Decl *>::iterator Known | ||||
472 | = TransformedLocalDecls.find(D); | ||||
473 | if (Known != TransformedLocalDecls.end()) | ||||
474 | return Known->second; | ||||
475 | |||||
476 | return D; | ||||
477 | } | ||||
478 | |||||
479 | /// Transform the specified condition. | ||||
480 | /// | ||||
481 | /// By default, this transforms the variable and expression and rebuilds | ||||
482 | /// the condition. | ||||
483 | Sema::ConditionResult TransformCondition(SourceLocation Loc, VarDecl *Var, | ||||
484 | Expr *Expr, | ||||
485 | Sema::ConditionKind Kind); | ||||
486 | |||||
487 | /// Transform the attributes associated with the given declaration and | ||||
488 | /// place them on the new declaration. | ||||
489 | /// | ||||
490 | /// By default, this operation does nothing. Subclasses may override this | ||||
491 | /// behavior to transform attributes. | ||||
492 | void transformAttrs(Decl *Old, Decl *New) { } | ||||
493 | |||||
494 | /// Note that a local declaration has been transformed by this | ||||
495 | /// transformer. | ||||
496 | /// | ||||
497 | /// Local declarations are typically transformed via a call to | ||||
498 | /// TransformDefinition. However, in some cases (e.g., lambda expressions), | ||||
499 | /// the transformer itself has to transform the declarations. This routine | ||||
500 | /// can be overridden by a subclass that keeps track of such mappings. | ||||
501 | void transformedLocalDecl(Decl *Old, ArrayRef<Decl *> New) { | ||||
502 | assert(New.size() == 1 &&(static_cast <bool> (New.size() == 1 && "must override transformedLocalDecl if performing pack expansion" ) ? void (0) : __assert_fail ("New.size() == 1 && \"must override transformedLocalDecl if performing pack expansion\"" , "clang/lib/Sema/TreeTransform.h", 503, __extension__ __PRETTY_FUNCTION__ )) | ||||
503 | "must override transformedLocalDecl if performing pack expansion")(static_cast <bool> (New.size() == 1 && "must override transformedLocalDecl if performing pack expansion" ) ? void (0) : __assert_fail ("New.size() == 1 && \"must override transformedLocalDecl if performing pack expansion\"" , "clang/lib/Sema/TreeTransform.h", 503, __extension__ __PRETTY_FUNCTION__ )); | ||||
504 | TransformedLocalDecls[Old] = New.front(); | ||||
505 | } | ||||
506 | |||||
507 | /// Transform the definition of the given declaration. | ||||
508 | /// | ||||
509 | /// By default, invokes TransformDecl() to transform the declaration. | ||||
510 | /// Subclasses may override this function to provide alternate behavior. | ||||
511 | Decl *TransformDefinition(SourceLocation Loc, Decl *D) { | ||||
512 | return getDerived().TransformDecl(Loc, D); | ||||
513 | } | ||||
514 | |||||
515 | /// Transform the given declaration, which was the first part of a | ||||
516 | /// nested-name-specifier in a member access expression. | ||||
517 | /// | ||||
518 | /// This specific declaration transformation only applies to the first | ||||
519 | /// identifier in a nested-name-specifier of a member access expression, e.g., | ||||
520 | /// the \c T in \c x->T::member | ||||
521 | /// | ||||
522 | /// By default, invokes TransformDecl() to transform the declaration. | ||||
523 | /// Subclasses may override this function to provide alternate behavior. | ||||
524 | NamedDecl *TransformFirstQualifierInScope(NamedDecl *D, SourceLocation Loc) { | ||||
525 | return cast_or_null<NamedDecl>(getDerived().TransformDecl(Loc, D)); | ||||
526 | } | ||||
527 | |||||
528 | /// Transform the set of declarations in an OverloadExpr. | ||||
529 | bool TransformOverloadExprDecls(OverloadExpr *Old, bool RequiresADL, | ||||
530 | LookupResult &R); | ||||
531 | |||||
532 | /// Transform the given nested-name-specifier with source-location | ||||
533 | /// information. | ||||
534 | /// | ||||
535 | /// By default, transforms all of the types and declarations within the | ||||
536 | /// nested-name-specifier. Subclasses may override this function to provide | ||||
537 | /// alternate behavior. | ||||
538 | NestedNameSpecifierLoc | ||||
539 | TransformNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS, | ||||
540 | QualType ObjectType = QualType(), | ||||
541 | NamedDecl *FirstQualifierInScope = nullptr); | ||||
542 | |||||
543 | /// Transform the given declaration name. | ||||
544 | /// | ||||
545 | /// By default, transforms the types of conversion function, constructor, | ||||
546 | /// and destructor names and then (if needed) rebuilds the declaration name. | ||||
547 | /// Identifiers and selectors are returned unmodified. Subclasses may | ||||
548 | /// override this function to provide alternate behavior. | ||||
549 | DeclarationNameInfo | ||||
550 | TransformDeclarationNameInfo(const DeclarationNameInfo &NameInfo); | ||||
551 | |||||
552 | bool TransformRequiresExprRequirements(ArrayRef<concepts::Requirement *> Reqs, | ||||
553 | llvm::SmallVectorImpl<concepts::Requirement *> &Transformed); | ||||
554 | concepts::TypeRequirement * | ||||
555 | TransformTypeRequirement(concepts::TypeRequirement *Req); | ||||
556 | concepts::ExprRequirement * | ||||
557 | TransformExprRequirement(concepts::ExprRequirement *Req); | ||||
558 | concepts::NestedRequirement * | ||||
559 | TransformNestedRequirement(concepts::NestedRequirement *Req); | ||||
560 | |||||
561 | /// Transform the given template name. | ||||
562 | /// | ||||
563 | /// \param SS The nested-name-specifier that qualifies the template | ||||
564 | /// name. This nested-name-specifier must already have been transformed. | ||||
565 | /// | ||||
566 | /// \param Name The template name to transform. | ||||
567 | /// | ||||
568 | /// \param NameLoc The source location of the template name. | ||||
569 | /// | ||||
570 | /// \param ObjectType If we're translating a template name within a member | ||||
571 | /// access expression, this is the type of the object whose member template | ||||
572 | /// is being referenced. | ||||
573 | /// | ||||
574 | /// \param FirstQualifierInScope If the first part of a nested-name-specifier | ||||
575 | /// also refers to a name within the current (lexical) scope, this is the | ||||
576 | /// declaration it refers to. | ||||
577 | /// | ||||
578 | /// By default, transforms the template name by transforming the declarations | ||||
579 | /// and nested-name-specifiers that occur within the template name. | ||||
580 | /// Subclasses may override this function to provide alternate behavior. | ||||
581 | TemplateName | ||||
582 | TransformTemplateName(CXXScopeSpec &SS, TemplateName Name, | ||||
583 | SourceLocation NameLoc, | ||||
584 | QualType ObjectType = QualType(), | ||||
585 | NamedDecl *FirstQualifierInScope = nullptr, | ||||
586 | bool AllowInjectedClassName = false); | ||||
587 | |||||
588 | /// Transform the given template argument. | ||||
589 | /// | ||||
590 | /// By default, this operation transforms the type, expression, or | ||||
591 | /// declaration stored within the template argument and constructs a | ||||
592 | /// new template argument from the transformed result. Subclasses may | ||||
593 | /// override this function to provide alternate behavior. | ||||
594 | /// | ||||
595 | /// Returns true if there was an error. | ||||
596 | bool TransformTemplateArgument(const TemplateArgumentLoc &Input, | ||||
597 | TemplateArgumentLoc &Output, | ||||
598 | bool Uneval = false); | ||||
599 | |||||
600 | /// Transform the given set of template arguments. | ||||
601 | /// | ||||
602 | /// By default, this operation transforms all of the template arguments | ||||
603 | /// in the input set using \c TransformTemplateArgument(), and appends | ||||
604 | /// the transformed arguments to the output list. | ||||
605 | /// | ||||
606 | /// Note that this overload of \c TransformTemplateArguments() is merely | ||||
607 | /// a convenience function. Subclasses that wish to override this behavior | ||||
608 | /// should override the iterator-based member template version. | ||||
609 | /// | ||||
610 | /// \param Inputs The set of template arguments to be transformed. | ||||
611 | /// | ||||
612 | /// \param NumInputs The number of template arguments in \p Inputs. | ||||
613 | /// | ||||
614 | /// \param Outputs The set of transformed template arguments output by this | ||||
615 | /// routine. | ||||
616 | /// | ||||
617 | /// Returns true if an error occurred. | ||||
618 | bool TransformTemplateArguments(const TemplateArgumentLoc *Inputs, | ||||
619 | unsigned NumInputs, | ||||
620 | TemplateArgumentListInfo &Outputs, | ||||
621 | bool Uneval = false) { | ||||
622 | return TransformTemplateArguments(Inputs, Inputs + NumInputs, Outputs, | ||||
623 | Uneval); | ||||
624 | } | ||||
625 | |||||
626 | /// Transform the given set of template arguments. | ||||
627 | /// | ||||
628 | /// By default, this operation transforms all of the template arguments | ||||
629 | /// in the input set using \c TransformTemplateArgument(), and appends | ||||
630 | /// the transformed arguments to the output list. | ||||
631 | /// | ||||
632 | /// \param First An iterator to the first template argument. | ||||
633 | /// | ||||
634 | /// \param Last An iterator one step past the last template argument. | ||||
635 | /// | ||||
636 | /// \param Outputs The set of transformed template arguments output by this | ||||
637 | /// routine. | ||||
638 | /// | ||||
639 | /// Returns true if an error occurred. | ||||
640 | template<typename InputIterator> | ||||
641 | bool TransformTemplateArguments(InputIterator First, | ||||
642 | InputIterator Last, | ||||
643 | TemplateArgumentListInfo &Outputs, | ||||
644 | bool Uneval = false); | ||||
645 | |||||
646 | /// Fakes up a TemplateArgumentLoc for a given TemplateArgument. | ||||
647 | void InventTemplateArgumentLoc(const TemplateArgument &Arg, | ||||
648 | TemplateArgumentLoc &ArgLoc); | ||||
649 | |||||
650 | /// Fakes up a TypeSourceInfo for a type. | ||||
651 | TypeSourceInfo *InventTypeSourceInfo(QualType T) { | ||||
652 | return SemaRef.Context.getTrivialTypeSourceInfo(T, | ||||
653 | getDerived().getBaseLocation()); | ||||
654 | } | ||||
655 | |||||
656 | #define ABSTRACT_TYPELOC(CLASS, PARENT) | ||||
657 | #define TYPELOC(CLASS, PARENT) \ | ||||
658 | QualType Transform##CLASS##Type(TypeLocBuilder &TLB, CLASS##TypeLoc T); | ||||
659 | #include "clang/AST/TypeLocNodes.def" | ||||
660 | |||||
661 | QualType TransformTemplateTypeParmType(TypeLocBuilder &TLB, | ||||
662 | TemplateTypeParmTypeLoc TL, | ||||
663 | bool SuppressObjCLifetime); | ||||
664 | QualType | ||||
665 | TransformSubstTemplateTypeParmPackType(TypeLocBuilder &TLB, | ||||
666 | SubstTemplateTypeParmPackTypeLoc TL, | ||||
667 | bool SuppressObjCLifetime); | ||||
668 | |||||
669 | template<typename Fn> | ||||
670 | QualType TransformFunctionProtoType(TypeLocBuilder &TLB, | ||||
671 | FunctionProtoTypeLoc TL, | ||||
672 | CXXRecordDecl *ThisContext, | ||||
673 | Qualifiers ThisTypeQuals, | ||||
674 | Fn TransformExceptionSpec); | ||||
675 | |||||
676 | bool TransformExceptionSpec(SourceLocation Loc, | ||||
677 | FunctionProtoType::ExceptionSpecInfo &ESI, | ||||
678 | SmallVectorImpl<QualType> &Exceptions, | ||||
679 | bool &Changed); | ||||
680 | |||||
681 | StmtResult TransformSEHHandler(Stmt *Handler); | ||||
682 | |||||
683 | QualType | ||||
684 | TransformTemplateSpecializationType(TypeLocBuilder &TLB, | ||||
685 | TemplateSpecializationTypeLoc TL, | ||||
686 | TemplateName Template); | ||||
687 | |||||
688 | QualType | ||||
689 | TransformDependentTemplateSpecializationType(TypeLocBuilder &TLB, | ||||
690 | DependentTemplateSpecializationTypeLoc TL, | ||||
691 | TemplateName Template, | ||||
692 | CXXScopeSpec &SS); | ||||
693 | |||||
694 | QualType TransformDependentTemplateSpecializationType( | ||||
695 | TypeLocBuilder &TLB, DependentTemplateSpecializationTypeLoc TL, | ||||
696 | NestedNameSpecifierLoc QualifierLoc); | ||||
697 | |||||
698 | /// Transforms the parameters of a function type into the | ||||
699 | /// given vectors. | ||||
700 | /// | ||||
701 | /// The result vectors should be kept in sync; null entries in the | ||||
702 | /// variables vector are acceptable. | ||||
703 | /// | ||||
704 | /// LastParamTransformed, if non-null, will be set to the index of the last | ||||
705 | /// parameter on which transfromation was started. In the event of an error, | ||||
706 | /// this will contain the parameter which failed to instantiate. | ||||
707 | /// | ||||
708 | /// Return true on error. | ||||
709 | bool TransformFunctionTypeParams( | ||||
710 | SourceLocation Loc, ArrayRef<ParmVarDecl *> Params, | ||||
711 | const QualType *ParamTypes, | ||||
712 | const FunctionProtoType::ExtParameterInfo *ParamInfos, | ||||
713 | SmallVectorImpl<QualType> &PTypes, SmallVectorImpl<ParmVarDecl *> *PVars, | ||||
714 | Sema::ExtParameterInfoBuilder &PInfos, unsigned *LastParamTransformed); | ||||
715 | |||||
716 | bool TransformFunctionTypeParams( | ||||
717 | SourceLocation Loc, ArrayRef<ParmVarDecl *> Params, | ||||
718 | const QualType *ParamTypes, | ||||
719 | const FunctionProtoType::ExtParameterInfo *ParamInfos, | ||||
720 | SmallVectorImpl<QualType> &PTypes, SmallVectorImpl<ParmVarDecl *> *PVars, | ||||
721 | Sema::ExtParameterInfoBuilder &PInfos) { | ||||
722 | return getDerived().TransformFunctionTypeParams( | ||||
723 | Loc, Params, ParamTypes, ParamInfos, PTypes, PVars, PInfos, nullptr); | ||||
724 | } | ||||
725 | |||||
726 | /// Transforms the parameters of a requires expresison into the given vectors. | ||||
727 | /// | ||||
728 | /// The result vectors should be kept in sync; null entries in the | ||||
729 | /// variables vector are acceptable. | ||||
730 | /// | ||||
731 | /// Returns an unset ExprResult on success. Returns an ExprResult the 'not | ||||
732 | /// satisfied' RequiresExpr if subsitution failed, OR an ExprError, both of | ||||
733 | /// which are cases where transformation shouldn't continue. | ||||
734 | ExprResult TransformRequiresTypeParams( | ||||
735 | SourceLocation KWLoc, SourceLocation RBraceLoc, const RequiresExpr *RE, | ||||
736 | RequiresExprBodyDecl *Body, ArrayRef<ParmVarDecl *> Params, | ||||
737 | SmallVectorImpl<QualType> &PTypes, | ||||
738 | SmallVectorImpl<ParmVarDecl *> &TransParams, | ||||
739 | Sema::ExtParameterInfoBuilder &PInfos) { | ||||
740 | if (getDerived().TransformFunctionTypeParams( | ||||
741 | KWLoc, Params, /*ParamTypes=*/nullptr, | ||||
742 | /*ParamInfos=*/nullptr, PTypes, &TransParams, PInfos)) | ||||
743 | return ExprError(); | ||||
744 | |||||
745 | return ExprResult{}; | ||||
746 | } | ||||
747 | |||||
748 | /// Transforms a single function-type parameter. Return null | ||||
749 | /// on error. | ||||
750 | /// | ||||
751 | /// \param indexAdjustment - A number to add to the parameter's | ||||
752 | /// scope index; can be negative | ||||
753 | ParmVarDecl *TransformFunctionTypeParam(ParmVarDecl *OldParm, | ||||
754 | int indexAdjustment, | ||||
755 | std::optional<unsigned> NumExpansions, | ||||
756 | bool ExpectParameterPack); | ||||
757 | |||||
758 | /// Transform the body of a lambda-expression. | ||||
759 | StmtResult TransformLambdaBody(LambdaExpr *E, Stmt *Body); | ||||
760 | /// Alternative implementation of TransformLambdaBody that skips transforming | ||||
761 | /// the body. | ||||
762 | StmtResult SkipLambdaBody(LambdaExpr *E, Stmt *Body); | ||||
763 | |||||
764 | QualType TransformReferenceType(TypeLocBuilder &TLB, ReferenceTypeLoc TL); | ||||
765 | |||||
766 | StmtResult TransformCompoundStmt(CompoundStmt *S, bool IsStmtExpr); | ||||
767 | ExprResult TransformCXXNamedCastExpr(CXXNamedCastExpr *E); | ||||
768 | |||||
769 | TemplateParameterList *TransformTemplateParameterList( | ||||
770 | TemplateParameterList *TPL) { | ||||
771 | return TPL; | ||||
772 | } | ||||
773 | |||||
774 | ExprResult TransformAddressOfOperand(Expr *E); | ||||
775 | |||||
776 | ExprResult TransformDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E, | ||||
777 | bool IsAddressOfOperand, | ||||
778 | TypeSourceInfo **RecoveryTSI); | ||||
779 | |||||
780 | ExprResult TransformParenDependentScopeDeclRefExpr( | ||||
781 | ParenExpr *PE, DependentScopeDeclRefExpr *DRE, bool IsAddressOfOperand, | ||||
782 | TypeSourceInfo **RecoveryTSI); | ||||
783 | |||||
784 | StmtResult TransformOMPExecutableDirective(OMPExecutableDirective *S); | ||||
785 | |||||
786 | // FIXME: We use LLVM_ATTRIBUTE_NOINLINE because inlining causes a ridiculous | ||||
787 | // amount of stack usage with clang. | ||||
788 | #define STMT(Node, Parent) \ | ||||
789 | LLVM_ATTRIBUTE_NOINLINE__attribute__((noinline)) \ | ||||
790 | StmtResult Transform##Node(Node *S); | ||||
791 | #define VALUESTMT(Node, Parent) \ | ||||
792 | LLVM_ATTRIBUTE_NOINLINE__attribute__((noinline)) \ | ||||
793 | StmtResult Transform##Node(Node *S, StmtDiscardKind SDK); | ||||
794 | #define EXPR(Node, Parent) \ | ||||
795 | LLVM_ATTRIBUTE_NOINLINE__attribute__((noinline)) \ | ||||
796 | ExprResult Transform##Node(Node *E); | ||||
797 | #define ABSTRACT_STMT(Stmt) | ||||
798 | #include "clang/AST/StmtNodes.inc" | ||||
799 | |||||
800 | #define GEN_CLANG_CLAUSE_CLASS | ||||
801 | #define CLAUSE_CLASS(Enum, Str, Class) \ | ||||
802 | LLVM_ATTRIBUTE_NOINLINE__attribute__((noinline)) \ | ||||
803 | OMPClause *Transform##Class(Class *S); | ||||
804 | #include "llvm/Frontend/OpenMP/OMP.inc" | ||||
805 | |||||
806 | /// Build a new qualified type given its unqualified type and type location. | ||||
807 | /// | ||||
808 | /// By default, this routine adds type qualifiers only to types that can | ||||
809 | /// have qualifiers, and silently suppresses those qualifiers that are not | ||||
810 | /// permitted. Subclasses may override this routine to provide different | ||||
811 | /// behavior. | ||||
812 | QualType RebuildQualifiedType(QualType T, QualifiedTypeLoc TL); | ||||
813 | |||||
814 | /// Build a new pointer type given its pointee type. | ||||
815 | /// | ||||
816 | /// By default, performs semantic analysis when building the pointer type. | ||||
817 | /// Subclasses may override this routine to provide different behavior. | ||||
818 | QualType RebuildPointerType(QualType PointeeType, SourceLocation Sigil); | ||||
819 | |||||
820 | /// Build a new block pointer type given its pointee type. | ||||
821 | /// | ||||
822 | /// By default, performs semantic analysis when building the block pointer | ||||
823 | /// type. Subclasses may override this routine to provide different behavior. | ||||
824 | QualType RebuildBlockPointerType(QualType PointeeType, SourceLocation Sigil); | ||||
825 | |||||
826 | /// Build a new reference type given the type it references. | ||||
827 | /// | ||||
828 | /// By default, performs semantic analysis when building the | ||||
829 | /// reference type. Subclasses may override this routine to provide | ||||
830 | /// different behavior. | ||||
831 | /// | ||||
832 | /// \param LValue whether the type was written with an lvalue sigil | ||||
833 | /// or an rvalue sigil. | ||||
834 | QualType RebuildReferenceType(QualType ReferentType, | ||||
835 | bool LValue, | ||||
836 | SourceLocation Sigil); | ||||
837 | |||||
838 | /// Build a new member pointer type given the pointee type and the | ||||
839 | /// class type it refers into. | ||||
840 | /// | ||||
841 | /// By default, performs semantic analysis when building the member pointer | ||||
842 | /// type. Subclasses may override this routine to provide different behavior. | ||||
843 | QualType RebuildMemberPointerType(QualType PointeeType, QualType ClassType, | ||||
844 | SourceLocation Sigil); | ||||
845 | |||||
846 | QualType RebuildObjCTypeParamType(const ObjCTypeParamDecl *Decl, | ||||
847 | SourceLocation ProtocolLAngleLoc, | ||||
848 | ArrayRef<ObjCProtocolDecl *> Protocols, | ||||
849 | ArrayRef<SourceLocation> ProtocolLocs, | ||||
850 | SourceLocation ProtocolRAngleLoc); | ||||
851 | |||||
852 | /// Build an Objective-C object type. | ||||
853 | /// | ||||
854 | /// By default, performs semantic analysis when building the object type. | ||||
855 | /// Subclasses may override this routine to provide different behavior. | ||||
856 | QualType RebuildObjCObjectType(QualType BaseType, | ||||
857 | SourceLocation Loc, | ||||
858 | SourceLocation TypeArgsLAngleLoc, | ||||
859 | ArrayRef<TypeSourceInfo *> TypeArgs, | ||||
860 | SourceLocation TypeArgsRAngleLoc, | ||||
861 | SourceLocation ProtocolLAngleLoc, | ||||
862 | ArrayRef<ObjCProtocolDecl *> Protocols, | ||||
863 | ArrayRef<SourceLocation> ProtocolLocs, | ||||
864 | SourceLocation ProtocolRAngleLoc); | ||||
865 | |||||
866 | /// Build a new Objective-C object pointer type given the pointee type. | ||||
867 | /// | ||||
868 | /// By default, directly builds the pointer type, with no additional semantic | ||||
869 | /// analysis. | ||||
870 | QualType RebuildObjCObjectPointerType(QualType PointeeType, | ||||
871 | SourceLocation Star); | ||||
872 | |||||
873 | /// Build a new array type given the element type, size | ||||
874 | /// modifier, size of the array (if known), size expression, and index type | ||||
875 | /// qualifiers. | ||||
876 | /// | ||||
877 | /// By default, performs semantic analysis when building the array type. | ||||
878 | /// Subclasses may override this routine to provide different behavior. | ||||
879 | /// Also by default, all of the other Rebuild*Array | ||||
880 | QualType RebuildArrayType(QualType ElementType, | ||||
881 | ArrayType::ArraySizeModifier SizeMod, | ||||
882 | const llvm::APInt *Size, | ||||
883 | Expr *SizeExpr, | ||||
884 | unsigned IndexTypeQuals, | ||||
885 | SourceRange BracketsRange); | ||||
886 | |||||
887 | /// Build a new constant array type given the element type, size | ||||
888 | /// modifier, (known) size of the array, and index type qualifiers. | ||||
889 | /// | ||||
890 | /// By default, performs semantic analysis when building the array type. | ||||
891 | /// Subclasses may override this routine to provide different behavior. | ||||
892 | QualType RebuildConstantArrayType(QualType ElementType, | ||||
893 | ArrayType::ArraySizeModifier SizeMod, | ||||
894 | const llvm::APInt &Size, | ||||
895 | Expr *SizeExpr, | ||||
896 | unsigned IndexTypeQuals, | ||||
897 | SourceRange BracketsRange); | ||||
898 | |||||
899 | /// Build a new incomplete array type given the element type, size | ||||
900 | /// modifier, and index type qualifiers. | ||||
901 | /// | ||||
902 | /// By default, performs semantic analysis when building the array type. | ||||
903 | /// Subclasses may override this routine to provide different behavior. | ||||
904 | QualType RebuildIncompleteArrayType(QualType ElementType, | ||||
905 | ArrayType::ArraySizeModifier SizeMod, | ||||
906 | unsigned IndexTypeQuals, | ||||
907 | SourceRange BracketsRange); | ||||
908 | |||||
909 | /// Build a new variable-length array type given the element type, | ||||
910 | /// size modifier, size expression, and index type qualifiers. | ||||
911 | /// | ||||
912 | /// By default, performs semantic analysis when building the array type. | ||||
913 | /// Subclasses may override this routine to provide different behavior. | ||||
914 | QualType RebuildVariableArrayType(QualType ElementType, | ||||
915 | ArrayType::ArraySizeModifier SizeMod, | ||||
916 | Expr *SizeExpr, | ||||
917 | unsigned IndexTypeQuals, | ||||
918 | SourceRange BracketsRange); | ||||
919 | |||||
920 | /// Build a new dependent-sized array type given the element type, | ||||
921 | /// size modifier, size expression, and index type qualifiers. | ||||
922 | /// | ||||
923 | /// By default, performs semantic analysis when building the array type. | ||||
924 | /// Subclasses may override this routine to provide different behavior. | ||||
925 | QualType RebuildDependentSizedArrayType(QualType ElementType, | ||||
926 | ArrayType::ArraySizeModifier SizeMod, | ||||
927 | Expr *SizeExpr, | ||||
928 | unsigned IndexTypeQuals, | ||||
929 | SourceRange BracketsRange); | ||||
930 | |||||
931 | /// Build a new vector type given the element type and | ||||
932 | /// number of elements. | ||||
933 | /// | ||||
934 | /// By default, performs semantic analysis when building the vector type. | ||||
935 | /// Subclasses may override this routine to provide different behavior. | ||||
936 | QualType RebuildVectorType(QualType ElementType, unsigned NumElements, | ||||
937 | VectorType::VectorKind VecKind); | ||||
938 | |||||
939 | /// Build a new potentially dependently-sized extended vector type | ||||
940 | /// given the element type and number of elements. | ||||
941 | /// | ||||
942 | /// By default, performs semantic analysis when building the vector type. | ||||
943 | /// Subclasses may override this routine to provide different behavior. | ||||
944 | QualType RebuildDependentVectorType(QualType ElementType, Expr *SizeExpr, | ||||
945 | SourceLocation AttributeLoc, | ||||
946 | VectorType::VectorKind); | ||||
947 | |||||
948 | /// Build a new extended vector type given the element type and | ||||
949 | /// number of elements. | ||||
950 | /// | ||||
951 | /// By default, performs semantic analysis when building the vector type. | ||||
952 | /// Subclasses may override this routine to provide different behavior. | ||||
953 | QualType RebuildExtVectorType(QualType ElementType, unsigned NumElements, | ||||
954 | SourceLocation AttributeLoc); | ||||
955 | |||||
956 | /// Build a new potentially dependently-sized extended vector type | ||||
957 | /// given the element type and number of elements. | ||||
958 | /// | ||||
959 | /// By default, performs semantic analysis when building the vector type. | ||||
960 | /// Subclasses may override this routine to provide different behavior. | ||||
961 | QualType RebuildDependentSizedExtVectorType(QualType ElementType, | ||||
962 | Expr *SizeExpr, | ||||
963 | SourceLocation AttributeLoc); | ||||
964 | |||||
965 | /// Build a new matrix type given the element type and dimensions. | ||||
966 | QualType RebuildConstantMatrixType(QualType ElementType, unsigned NumRows, | ||||
967 | unsigned NumColumns); | ||||
968 | |||||
969 | /// Build a new matrix type given the type and dependently-defined | ||||
970 | /// dimensions. | ||||
971 | QualType RebuildDependentSizedMatrixType(QualType ElementType, Expr *RowExpr, | ||||
972 | Expr *ColumnExpr, | ||||
973 | SourceLocation AttributeLoc); | ||||
974 | |||||
975 | /// Build a new DependentAddressSpaceType or return the pointee | ||||
976 | /// type variable with the correct address space (retrieved from | ||||
977 | /// AddrSpaceExpr) applied to it. The former will be returned in cases | ||||
978 | /// where the address space remains dependent. | ||||
979 | /// | ||||
980 | /// By default, performs semantic analysis when building the type with address | ||||
981 | /// space applied. Subclasses may override this routine to provide different | ||||
982 | /// behavior. | ||||
983 | QualType RebuildDependentAddressSpaceType(QualType PointeeType, | ||||
984 | Expr *AddrSpaceExpr, | ||||
985 | SourceLocation AttributeLoc); | ||||
986 | |||||
987 | /// Build a new function type. | ||||
988 | /// | ||||
989 | /// By default, performs semantic analysis when building the function type. | ||||
990 | /// Subclasses may override this routine to provide different behavior. | ||||
991 | QualType RebuildFunctionProtoType(QualType T, | ||||
992 | MutableArrayRef<QualType> ParamTypes, | ||||
993 | const FunctionProtoType::ExtProtoInfo &EPI); | ||||
994 | |||||
995 | /// Build a new unprototyped function type. | ||||
996 | QualType RebuildFunctionNoProtoType(QualType ResultType); | ||||
997 | |||||
998 | /// Rebuild an unresolved typename type, given the decl that | ||||
999 | /// the UnresolvedUsingTypenameDecl was transformed to. | ||||
1000 | QualType RebuildUnresolvedUsingType(SourceLocation NameLoc, Decl *D); | ||||
1001 | |||||
1002 | /// Build a new type found via an alias. | ||||
1003 | QualType RebuildUsingType(UsingShadowDecl *Found, QualType Underlying) { | ||||
1004 | return SemaRef.Context.getUsingType(Found, Underlying); | ||||
1005 | } | ||||
1006 | |||||
1007 | /// Build a new typedef type. | ||||
1008 | QualType RebuildTypedefType(TypedefNameDecl *Typedef) { | ||||
1009 | return SemaRef.Context.getTypeDeclType(Typedef); | ||||
1010 | } | ||||
1011 | |||||
1012 | /// Build a new MacroDefined type. | ||||
1013 | QualType RebuildMacroQualifiedType(QualType T, | ||||
1014 | const IdentifierInfo *MacroII) { | ||||
1015 | return SemaRef.Context.getMacroQualifiedType(T, MacroII); | ||||
1016 | } | ||||
1017 | |||||
1018 | /// Build a new class/struct/union type. | ||||
1019 | QualType RebuildRecordType(RecordDecl *Record) { | ||||
1020 | return SemaRef.Context.getTypeDeclType(Record); | ||||
1021 | } | ||||
1022 | |||||
1023 | /// Build a new Enum type. | ||||
1024 | QualType RebuildEnumType(EnumDecl *Enum) { | ||||
1025 | return SemaRef.Context.getTypeDeclType(Enum); | ||||
1026 | } | ||||
1027 | |||||
1028 | /// Build a new typeof(expr) type. | ||||
1029 | /// | ||||
1030 | /// By default, performs semantic analysis when building the typeof type. | ||||
1031 | /// Subclasses may override this routine to provide different behavior. | ||||
1032 | QualType RebuildTypeOfExprType(Expr *Underlying, SourceLocation Loc, | ||||
1033 | TypeOfKind Kind); | ||||
1034 | |||||
1035 | /// Build a new typeof(type) type. | ||||
1036 | /// | ||||
1037 | /// By default, builds a new TypeOfType with the given underlying type. | ||||
1038 | QualType RebuildTypeOfType(QualType Underlying, TypeOfKind Kind); | ||||
1039 | |||||
1040 | /// Build a new unary transform type. | ||||
1041 | QualType RebuildUnaryTransformType(QualType BaseType, | ||||
1042 | UnaryTransformType::UTTKind UKind, | ||||
1043 | SourceLocation Loc); | ||||
1044 | |||||
1045 | /// Build a new C++11 decltype type. | ||||
1046 | /// | ||||
1047 | /// By default, performs semantic analysis when building the decltype type. | ||||
1048 | /// Subclasses may override this routine to provide different behavior. | ||||
1049 | QualType RebuildDecltypeType(Expr *Underlying, SourceLocation Loc); | ||||
1050 | |||||
1051 | /// Build a new C++11 auto type. | ||||
1052 | /// | ||||
1053 | /// By default, builds a new AutoType with the given deduced type. | ||||
1054 | QualType RebuildAutoType(QualType Deduced, AutoTypeKeyword Keyword, | ||||
1055 | ConceptDecl *TypeConstraintConcept, | ||||
1056 | ArrayRef<TemplateArgument> TypeConstraintArgs) { | ||||
1057 | // Note, IsDependent is always false here: we implicitly convert an 'auto' | ||||
1058 | // which has been deduced to a dependent type into an undeduced 'auto', so | ||||
1059 | // that we'll retry deduction after the transformation. | ||||
1060 | return SemaRef.Context.getAutoType(Deduced, Keyword, | ||||
1061 | /*IsDependent*/ false, /*IsPack=*/false, | ||||
1062 | TypeConstraintConcept, | ||||
1063 | TypeConstraintArgs); | ||||
1064 | } | ||||
1065 | |||||
1066 | /// By default, builds a new DeducedTemplateSpecializationType with the given | ||||
1067 | /// deduced type. | ||||
1068 | QualType RebuildDeducedTemplateSpecializationType(TemplateName Template, | ||||
1069 | QualType Deduced) { | ||||
1070 | return SemaRef.Context.getDeducedTemplateSpecializationType( | ||||
1071 | Template, Deduced, /*IsDependent*/ false); | ||||
1072 | } | ||||
1073 | |||||
1074 | /// Build a new template specialization type. | ||||
1075 | /// | ||||
1076 | /// By default, performs semantic analysis when building the template | ||||
1077 | /// specialization type. Subclasses may override this routine to provide | ||||
1078 | /// different behavior. | ||||
1079 | QualType RebuildTemplateSpecializationType(TemplateName Template, | ||||
1080 | SourceLocation TemplateLoc, | ||||
1081 | TemplateArgumentListInfo &Args); | ||||
1082 | |||||
1083 | /// Build a new parenthesized type. | ||||
1084 | /// | ||||
1085 | /// By default, builds a new ParenType type from the inner type. | ||||
1086 | /// Subclasses may override this routine to provide different behavior. | ||||
1087 | QualType RebuildParenType(QualType InnerType) { | ||||
1088 | return SemaRef.BuildParenType(InnerType); | ||||
1089 | } | ||||
1090 | |||||
1091 | /// Build a new qualified name type. | ||||
1092 | /// | ||||
1093 | /// By default, builds a new ElaboratedType type from the keyword, | ||||
1094 | /// the nested-name-specifier and the named type. | ||||
1095 | /// Subclasses may override this routine to provide different behavior. | ||||
1096 | QualType RebuildElaboratedType(SourceLocation KeywordLoc, | ||||
1097 | ElaboratedTypeKeyword Keyword, | ||||
1098 | NestedNameSpecifierLoc QualifierLoc, | ||||
1099 | QualType Named) { | ||||
1100 | return SemaRef.Context.getElaboratedType(Keyword, | ||||
1101 | QualifierLoc.getNestedNameSpecifier(), | ||||
1102 | Named); | ||||
1103 | } | ||||
1104 | |||||
1105 | /// Build a new typename type that refers to a template-id. | ||||
1106 | /// | ||||
1107 | /// By default, builds a new DependentNameType type from the | ||||
1108 | /// nested-name-specifier and the given type. Subclasses may override | ||||
1109 | /// this routine to provide different behavior. | ||||
1110 | QualType RebuildDependentTemplateSpecializationType( | ||||
1111 | ElaboratedTypeKeyword Keyword, | ||||
1112 | NestedNameSpecifierLoc QualifierLoc, | ||||
1113 | SourceLocation TemplateKWLoc, | ||||
1114 | const IdentifierInfo *Name, | ||||
1115 | SourceLocation NameLoc, | ||||
1116 | TemplateArgumentListInfo &Args, | ||||
1117 | bool AllowInjectedClassName) { | ||||
1118 | // Rebuild the template name. | ||||
1119 | // TODO: avoid TemplateName abstraction | ||||
1120 | CXXScopeSpec SS; | ||||
1121 | SS.Adopt(QualifierLoc); | ||||
1122 | TemplateName InstName = getDerived().RebuildTemplateName( | ||||
1123 | SS, TemplateKWLoc, *Name, NameLoc, QualType(), nullptr, | ||||
1124 | AllowInjectedClassName); | ||||
1125 | |||||
1126 | if (InstName.isNull()) | ||||
1127 | return QualType(); | ||||
1128 | |||||
1129 | // If it's still dependent, make a dependent specialization. | ||||
1130 | if (InstName.getAsDependentTemplateName()) | ||||
1131 | return SemaRef.Context.getDependentTemplateSpecializationType( | ||||
1132 | Keyword, QualifierLoc.getNestedNameSpecifier(), Name, | ||||
1133 | Args.arguments()); | ||||
1134 | |||||
1135 | // Otherwise, make an elaborated type wrapping a non-dependent | ||||
1136 | // specialization. | ||||
1137 | QualType T = | ||||
1138 | getDerived().RebuildTemplateSpecializationType(InstName, NameLoc, Args); | ||||
1139 | if (T.isNull()) | ||||
1140 | return QualType(); | ||||
1141 | return SemaRef.Context.getElaboratedType( | ||||
1142 | Keyword, QualifierLoc.getNestedNameSpecifier(), T); | ||||
1143 | } | ||||
1144 | |||||
1145 | /// Build a new typename type that refers to an identifier. | ||||
1146 | /// | ||||
1147 | /// By default, performs semantic analysis when building the typename type | ||||
1148 | /// (or elaborated type). Subclasses may override this routine to provide | ||||
1149 | /// different behavior. | ||||
1150 | QualType RebuildDependentNameType(ElaboratedTypeKeyword Keyword, | ||||
1151 | SourceLocation KeywordLoc, | ||||
1152 | NestedNameSpecifierLoc QualifierLoc, | ||||
1153 | const IdentifierInfo *Id, | ||||
1154 | SourceLocation IdLoc, | ||||
1155 | bool DeducedTSTContext) { | ||||
1156 | CXXScopeSpec SS; | ||||
1157 | SS.Adopt(QualifierLoc); | ||||
1158 | |||||
1159 | if (QualifierLoc.getNestedNameSpecifier()->isDependent()) { | ||||
1160 | // If the name is still dependent, just build a new dependent name type. | ||||
1161 | if (!SemaRef.computeDeclContext(SS)) | ||||
1162 | return SemaRef.Context.getDependentNameType(Keyword, | ||||
1163 | QualifierLoc.getNestedNameSpecifier(), | ||||
1164 | Id); | ||||
1165 | } | ||||
1166 | |||||
1167 | if (Keyword == ETK_None || Keyword == ETK_Typename) { | ||||
1168 | return SemaRef.CheckTypenameType(Keyword, KeywordLoc, QualifierLoc, | ||||
1169 | *Id, IdLoc, DeducedTSTContext); | ||||
1170 | } | ||||
1171 | |||||
1172 | TagTypeKind Kind = TypeWithKeyword::getTagTypeKindForKeyword(Keyword); | ||||
1173 | |||||
1174 | // We had a dependent elaborated-type-specifier that has been transformed | ||||
1175 | // into a non-dependent elaborated-type-specifier. Find the tag we're | ||||
1176 | // referring to. | ||||
1177 | LookupResult Result(SemaRef, Id, IdLoc, Sema::LookupTagName); | ||||
1178 | DeclContext *DC = SemaRef.computeDeclContext(SS, false); | ||||
1179 | if (!DC) | ||||
1180 | return QualType(); | ||||
1181 | |||||
1182 | if (SemaRef.RequireCompleteDeclContext(SS, DC)) | ||||
1183 | return QualType(); | ||||
1184 | |||||
1185 | TagDecl *Tag = nullptr; | ||||
1186 | SemaRef.LookupQualifiedName(Result, DC); | ||||
1187 | switch (Result.getResultKind()) { | ||||
1188 | case LookupResult::NotFound: | ||||
1189 | case LookupResult::NotFoundInCurrentInstantiation: | ||||
1190 | break; | ||||
1191 | |||||
1192 | case LookupResult::Found: | ||||
1193 | Tag = Result.getAsSingle<TagDecl>(); | ||||
1194 | break; | ||||
1195 | |||||
1196 | case LookupResult::FoundOverloaded: | ||||
1197 | case LookupResult::FoundUnresolvedValue: | ||||
1198 | llvm_unreachable("Tag lookup cannot find non-tags")::llvm::llvm_unreachable_internal("Tag lookup cannot find non-tags" , "clang/lib/Sema/TreeTransform.h", 1198); | ||||
1199 | |||||
1200 | case LookupResult::Ambiguous: | ||||
1201 | // Let the LookupResult structure handle ambiguities. | ||||
1202 | return QualType(); | ||||
1203 | } | ||||
1204 | |||||
1205 | if (!Tag) { | ||||
1206 | // Check where the name exists but isn't a tag type and use that to emit | ||||
1207 | // better diagnostics. | ||||
1208 | LookupResult Result(SemaRef, Id, IdLoc, Sema::LookupTagName); | ||||
1209 | SemaRef.LookupQualifiedName(Result, DC); | ||||
1210 | switch (Result.getResultKind()) { | ||||
1211 | case LookupResult::Found: | ||||
1212 | case LookupResult::FoundOverloaded: | ||||
1213 | case LookupResult::FoundUnresolvedValue: { | ||||
1214 | NamedDecl *SomeDecl = Result.getRepresentativeDecl(); | ||||
1215 | Sema::NonTagKind NTK = SemaRef.getNonTagTypeDeclKind(SomeDecl, Kind); | ||||
1216 | SemaRef.Diag(IdLoc, diag::err_tag_reference_non_tag) << SomeDecl | ||||
1217 | << NTK << Kind; | ||||
1218 | SemaRef.Diag(SomeDecl->getLocation(), diag::note_declared_at); | ||||
1219 | break; | ||||
1220 | } | ||||
1221 | default: | ||||
1222 | SemaRef.Diag(IdLoc, diag::err_not_tag_in_scope) | ||||
1223 | << Kind << Id << DC << QualifierLoc.getSourceRange(); | ||||
1224 | break; | ||||
1225 | } | ||||
1226 | return QualType(); | ||||
1227 | } | ||||
1228 | |||||
1229 | if (!SemaRef.isAcceptableTagRedeclaration(Tag, Kind, /*isDefinition*/false, | ||||
1230 | IdLoc, Id)) { | ||||
1231 | SemaRef.Diag(KeywordLoc, diag::err_use_with_wrong_tag) << Id; | ||||
1232 | SemaRef.Diag(Tag->getLocation(), diag::note_previous_use); | ||||
1233 | return QualType(); | ||||
1234 | } | ||||
1235 | |||||
1236 | // Build the elaborated-type-specifier type. | ||||
1237 | QualType T = SemaRef.Context.getTypeDeclType(Tag); | ||||
1238 | return SemaRef.Context.getElaboratedType(Keyword, | ||||
1239 | QualifierLoc.getNestedNameSpecifier(), | ||||
1240 | T); | ||||
1241 | } | ||||
1242 | |||||
1243 | /// Build a new pack expansion type. | ||||
1244 | /// | ||||
1245 | /// By default, builds a new PackExpansionType type from the given pattern. | ||||
1246 | /// Subclasses may override this routine to provide different behavior. | ||||
1247 | QualType RebuildPackExpansionType(QualType Pattern, SourceRange PatternRange, | ||||
1248 | SourceLocation EllipsisLoc, | ||||
1249 | std::optional<unsigned> NumExpansions) { | ||||
1250 | return getSema().CheckPackExpansion(Pattern, PatternRange, EllipsisLoc, | ||||
1251 | NumExpansions); | ||||
1252 | } | ||||
1253 | |||||
1254 | /// Build a new atomic type given its value type. | ||||
1255 | /// | ||||
1256 | /// By default, performs semantic analysis when building the atomic type. | ||||
1257 | /// Subclasses may override this routine to provide different behavior. | ||||
1258 | QualType RebuildAtomicType(QualType ValueType, SourceLocation KWLoc); | ||||
1259 | |||||
1260 | /// Build a new pipe type given its value type. | ||||
1261 | QualType RebuildPipeType(QualType ValueType, SourceLocation KWLoc, | ||||
1262 | bool isReadPipe); | ||||
1263 | |||||
1264 | /// Build a bit-precise int given its value type. | ||||
1265 | QualType RebuildBitIntType(bool IsUnsigned, unsigned NumBits, | ||||
1266 | SourceLocation Loc); | ||||
1267 | |||||
1268 | /// Build a dependent bit-precise int given its value type. | ||||
1269 | QualType RebuildDependentBitIntType(bool IsUnsigned, Expr *NumBitsExpr, | ||||
1270 | SourceLocation Loc); | ||||
1271 | |||||
1272 | /// Build a new template name given a nested name specifier, a flag | ||||
1273 | /// indicating whether the "template" keyword was provided, and the template | ||||
1274 | /// that the template name refers to. | ||||
1275 | /// | ||||
1276 | /// By default, builds the new template name directly. Subclasses may override | ||||
1277 | /// this routine to provide different behavior. | ||||
1278 | TemplateName RebuildTemplateName(CXXScopeSpec &SS, | ||||
1279 | bool TemplateKW, | ||||
1280 | TemplateDecl *Template); | ||||
1281 | |||||
1282 | /// Build a new template name given a nested name specifier and the | ||||
1283 | /// name that is referred to as a template. | ||||
1284 | /// | ||||
1285 | /// By default, performs semantic analysis to determine whether the name can | ||||
1286 | /// be resolved to a specific template, then builds the appropriate kind of | ||||
1287 | /// template name. Subclasses may override this routine to provide different | ||||
1288 | /// behavior. | ||||
1289 | TemplateName RebuildTemplateName(CXXScopeSpec &SS, | ||||
1290 | SourceLocation TemplateKWLoc, | ||||
1291 | const IdentifierInfo &Name, | ||||
1292 | SourceLocation NameLoc, QualType ObjectType, | ||||
1293 | NamedDecl *FirstQualifierInScope, | ||||
1294 | bool AllowInjectedClassName); | ||||
1295 | |||||
1296 | /// Build a new template name given a nested name specifier and the | ||||
1297 | /// overloaded operator name that is referred to as a template. | ||||
1298 | /// | ||||
1299 | /// By default, performs semantic analysis to determine whether the name can | ||||
1300 | /// be resolved to a specific template, then builds the appropriate kind of | ||||
1301 | /// template name. Subclasses may override this routine to provide different | ||||
1302 | /// behavior. | ||||
1303 | TemplateName RebuildTemplateName(CXXScopeSpec &SS, | ||||
1304 | SourceLocation TemplateKWLoc, | ||||
1305 | OverloadedOperatorKind Operator, | ||||
1306 | SourceLocation NameLoc, QualType ObjectType, | ||||
1307 | bool AllowInjectedClassName); | ||||
1308 | |||||
1309 | /// Build a new template name given a template template parameter pack | ||||
1310 | /// and the | ||||
1311 | /// | ||||
1312 | /// By default, performs semantic analysis to determine whether the name can | ||||
1313 | /// be resolved to a specific template, then builds the appropriate kind of | ||||
1314 | /// template name. Subclasses may override this routine to provide different | ||||
1315 | /// behavior. | ||||
1316 | TemplateName RebuildTemplateName(const TemplateArgument &ArgPack, | ||||
1317 | Decl *AssociatedDecl, unsigned Index, | ||||
1318 | bool Final) { | ||||
1319 | return getSema().Context.getSubstTemplateTemplateParmPack( | ||||
1320 | ArgPack, AssociatedDecl, Index, Final); | ||||
1321 | } | ||||
1322 | |||||
1323 | /// Build a new compound statement. | ||||
1324 | /// | ||||
1325 | /// By default, performs semantic analysis to build the new statement. | ||||
1326 | /// Subclasses may override this routine to provide different behavior. | ||||
1327 | StmtResult RebuildCompoundStmt(SourceLocation LBraceLoc, | ||||
1328 | MultiStmtArg Statements, | ||||
1329 | SourceLocation RBraceLoc, | ||||
1330 | bool IsStmtExpr) { | ||||
1331 | return getSema().ActOnCompoundStmt(LBraceLoc, RBraceLoc, Statements, | ||||
1332 | IsStmtExpr); | ||||
1333 | } | ||||
1334 | |||||
1335 | /// Build a new case statement. | ||||
1336 | /// | ||||
1337 | /// By default, performs semantic analysis to build the new statement. | ||||
1338 | /// Subclasses may override this routine to provide different behavior. | ||||
1339 | StmtResult RebuildCaseStmt(SourceLocation CaseLoc, | ||||
1340 | Expr *LHS, | ||||
1341 | SourceLocation EllipsisLoc, | ||||
1342 | Expr *RHS, | ||||
1343 | SourceLocation ColonLoc) { | ||||
1344 | return getSema().ActOnCaseStmt(CaseLoc, LHS, EllipsisLoc, RHS, | ||||
1345 | ColonLoc); | ||||
1346 | } | ||||
1347 | |||||
1348 | /// Attach the body to a new case statement. | ||||
1349 | /// | ||||
1350 | /// By default, performs semantic analysis to build the new statement. | ||||
1351 | /// Subclasses may override this routine to provide different behavior. | ||||
1352 | StmtResult RebuildCaseStmtBody(Stmt *S, Stmt *Body) { | ||||
1353 | getSema().ActOnCaseStmtBody(S, Body); | ||||
1354 | return S; | ||||
1355 | } | ||||
1356 | |||||
1357 | /// Build a new default statement. | ||||
1358 | /// | ||||
1359 | /// By default, performs semantic analysis to build the new statement. | ||||
1360 | /// Subclasses may override this routine to provide different behavior. | ||||
1361 | StmtResult RebuildDefaultStmt(SourceLocation DefaultLoc, | ||||
1362 | SourceLocation ColonLoc, | ||||
1363 | Stmt *SubStmt) { | ||||
1364 | return getSema().ActOnDefaultStmt(DefaultLoc, ColonLoc, SubStmt, | ||||
1365 | /*CurScope=*/nullptr); | ||||
1366 | } | ||||
1367 | |||||
1368 | /// Build a new label statement. | ||||
1369 | /// | ||||
1370 | /// By default, performs semantic analysis to build the new statement. | ||||
1371 | /// Subclasses may override this routine to provide different behavior. | ||||
1372 | StmtResult RebuildLabelStmt(SourceLocation IdentLoc, LabelDecl *L, | ||||
1373 | SourceLocation ColonLoc, Stmt *SubStmt) { | ||||
1374 | return SemaRef.ActOnLabelStmt(IdentLoc, L, ColonLoc, SubStmt); | ||||
1375 | } | ||||
1376 | |||||
1377 | /// Build a new attributed statement. | ||||
1378 | /// | ||||
1379 | /// By default, performs semantic analysis to build the new statement. | ||||
1380 | /// Subclasses may override this routine to provide different behavior. | ||||
1381 | StmtResult RebuildAttributedStmt(SourceLocation AttrLoc, | ||||
1382 | ArrayRef<const Attr *> Attrs, | ||||
1383 | Stmt *SubStmt) { | ||||
1384 | return SemaRef.BuildAttributedStmt(AttrLoc, Attrs, SubStmt); | ||||
1385 | } | ||||
1386 | |||||
1387 | /// Build a new "if" statement. | ||||
1388 | /// | ||||
1389 | /// By default, performs semantic analysis to build the new statement. | ||||
1390 | /// Subclasses may override this routine to provide different behavior. | ||||
1391 | StmtResult RebuildIfStmt(SourceLocation IfLoc, IfStatementKind Kind, | ||||
1392 | SourceLocation LParenLoc, Sema::ConditionResult Cond, | ||||
1393 | SourceLocation RParenLoc, Stmt *Init, Stmt *Then, | ||||
1394 | SourceLocation ElseLoc, Stmt *Else) { | ||||
1395 | return getSema().ActOnIfStmt(IfLoc, Kind, LParenLoc, Init, Cond, RParenLoc, | ||||
1396 | Then, ElseLoc, Else); | ||||
1397 | } | ||||
1398 | |||||
1399 | /// Start building a new switch statement. | ||||
1400 | /// | ||||
1401 | /// By default, performs semantic analysis to build the new statement. | ||||
1402 | /// Subclasses may override this routine to provide different behavior. | ||||
1403 | StmtResult RebuildSwitchStmtStart(SourceLocation SwitchLoc, | ||||
1404 | SourceLocation LParenLoc, Stmt *Init, | ||||
1405 | Sema::ConditionResult Cond, | ||||
1406 | SourceLocation RParenLoc) { | ||||
1407 | return getSema().ActOnStartOfSwitchStmt(SwitchLoc, LParenLoc, Init, Cond, | ||||
1408 | RParenLoc); | ||||
1409 | } | ||||
1410 | |||||
1411 | /// Attach the body to the switch statement. | ||||
1412 | /// | ||||
1413 | /// By default, performs semantic analysis to build the new statement. | ||||
1414 | /// Subclasses may override this routine to provide different behavior. | ||||
1415 | StmtResult RebuildSwitchStmtBody(SourceLocation SwitchLoc, | ||||
1416 | Stmt *Switch, Stmt *Body) { | ||||
1417 | return getSema().ActOnFinishSwitchStmt(SwitchLoc, Switch, Body); | ||||
1418 | } | ||||
1419 | |||||
1420 | /// Build a new while statement. | ||||
1421 | /// | ||||
1422 | /// By default, performs semantic analysis to build the new statement. | ||||
1423 | /// Subclasses may override this routine to provide different behavior. | ||||
1424 | StmtResult RebuildWhileStmt(SourceLocation WhileLoc, SourceLocation LParenLoc, | ||||
1425 | Sema::ConditionResult Cond, | ||||
1426 | SourceLocation RParenLoc, Stmt *Body) { | ||||
1427 | return getSema().ActOnWhileStmt(WhileLoc, LParenLoc, Cond, RParenLoc, Body); | ||||
1428 | } | ||||
1429 | |||||
1430 | /// Build a new do-while statement. | ||||
1431 | /// | ||||
1432 | /// By default, performs semantic analysis to build the new statement. | ||||
1433 | /// Subclasses may override this routine to provide different behavior. | ||||
1434 | StmtResult RebuildDoStmt(SourceLocation DoLoc, Stmt *Body, | ||||
1435 | SourceLocation WhileLoc, SourceLocation LParenLoc, | ||||
1436 | Expr *Cond, SourceLocation RParenLoc) { | ||||
1437 | return getSema().ActOnDoStmt(DoLoc, Body, WhileLoc, LParenLoc, | ||||
1438 | Cond, RParenLoc); | ||||
1439 | } | ||||
1440 | |||||
1441 | /// Build a new for statement. | ||||
1442 | /// | ||||
1443 | /// By default, performs semantic analysis to build the new statement. | ||||
1444 | /// Subclasses may override this routine to provide different behavior. | ||||
1445 | StmtResult RebuildForStmt(SourceLocation ForLoc, SourceLocation LParenLoc, | ||||
1446 | Stmt *Init, Sema::ConditionResult Cond, | ||||
1447 | Sema::FullExprArg Inc, SourceLocation RParenLoc, | ||||
1448 | Stmt *Body) { | ||||
1449 | return getSema().ActOnForStmt(ForLoc, LParenLoc, Init, Cond, | ||||
1450 | Inc, RParenLoc, Body); | ||||
1451 | } | ||||
1452 | |||||
1453 | /// Build a new goto statement. | ||||
1454 | /// | ||||
1455 | /// By default, performs semantic analysis to build the new statement. | ||||
1456 | /// Subclasses may override this routine to provide different behavior. | ||||
1457 | StmtResult RebuildGotoStmt(SourceLocation GotoLoc, SourceLocation LabelLoc, | ||||
1458 | LabelDecl *Label) { | ||||
1459 | return getSema().ActOnGotoStmt(GotoLoc, LabelLoc, Label); | ||||
1460 | } | ||||
1461 | |||||
1462 | /// Build a new indirect goto statement. | ||||
1463 | /// | ||||
1464 | /// By default, performs semantic analysis to build the new statement. | ||||
1465 | /// Subclasses may override this routine to provide different behavior. | ||||
1466 | StmtResult RebuildIndirectGotoStmt(SourceLocation GotoLoc, | ||||
1467 | SourceLocation StarLoc, | ||||
1468 | Expr *Target) { | ||||
1469 | return getSema().ActOnIndirectGotoStmt(GotoLoc, StarLoc, Target); | ||||
1470 | } | ||||
1471 | |||||
1472 | /// Build a new return statement. | ||||
1473 | /// | ||||
1474 | /// By default, performs semantic analysis to build the new statement. | ||||
1475 | /// Subclasses may override this routine to provide different behavior. | ||||
1476 | StmtResult RebuildReturnStmt(SourceLocation ReturnLoc, Expr *Result) { | ||||
1477 | return getSema().BuildReturnStmt(ReturnLoc, Result); | ||||
1478 | } | ||||
1479 | |||||
1480 | /// Build a new declaration statement. | ||||
1481 | /// | ||||
1482 | /// By default, performs semantic analysis to build the new statement. | ||||
1483 | /// Subclasses may override this routine to provide different behavior. | ||||
1484 | StmtResult RebuildDeclStmt(MutableArrayRef<Decl *> Decls, | ||||
1485 | SourceLocation StartLoc, SourceLocation EndLoc) { | ||||
1486 | Sema::DeclGroupPtrTy DG = getSema().BuildDeclaratorGroup(Decls); | ||||
1487 | return getSema().ActOnDeclStmt(DG, StartLoc, EndLoc); | ||||
1488 | } | ||||
1489 | |||||
1490 | /// Build a new inline asm statement. | ||||
1491 | /// | ||||
1492 | /// By default, performs semantic analysis to build the new statement. | ||||
1493 | /// Subclasses may override this routine to provide different behavior. | ||||
1494 | StmtResult RebuildGCCAsmStmt(SourceLocation AsmLoc, bool IsSimple, | ||||
1495 | bool IsVolatile, unsigned NumOutputs, | ||||
1496 | unsigned NumInputs, IdentifierInfo **Names, | ||||
1497 | MultiExprArg Constraints, MultiExprArg Exprs, | ||||
1498 | Expr *AsmString, MultiExprArg Clobbers, | ||||
1499 | unsigned NumLabels, | ||||
1500 | SourceLocation RParenLoc) { | ||||
1501 | return getSema().ActOnGCCAsmStmt(AsmLoc, IsSimple, IsVolatile, NumOutputs, | ||||
1502 | NumInputs, Names, Constraints, Exprs, | ||||
1503 | AsmString, Clobbers, NumLabels, RParenLoc); | ||||
1504 | } | ||||
1505 | |||||
1506 | /// Build a new MS style inline asm statement. | ||||
1507 | /// | ||||
1508 | /// By default, performs semantic analysis to build the new statement. | ||||
1509 | /// Subclasses may override this routine to provide different behavior. | ||||
1510 | StmtResult RebuildMSAsmStmt(SourceLocation AsmLoc, SourceLocation LBraceLoc, | ||||
1511 | ArrayRef<Token> AsmToks, | ||||
1512 | StringRef AsmString, | ||||
1513 | unsigned NumOutputs, unsigned NumInputs, | ||||
1514 | ArrayRef<StringRef> Constraints, | ||||
1515 | ArrayRef<StringRef> Clobbers, | ||||
1516 | ArrayRef<Expr*> Exprs, | ||||
1517 | SourceLocation EndLoc) { | ||||
1518 | return getSema().ActOnMSAsmStmt(AsmLoc, LBraceLoc, AsmToks, AsmString, | ||||
1519 | NumOutputs, NumInputs, | ||||
1520 | Constraints, Clobbers, Exprs, EndLoc); | ||||
1521 | } | ||||
1522 | |||||
1523 | /// Build a new co_return statement. | ||||
1524 | /// | ||||
1525 | /// By default, performs semantic analysis to build the new statement. | ||||
1526 | /// Subclasses may override this routine to provide different behavior. | ||||
1527 | StmtResult RebuildCoreturnStmt(SourceLocation CoreturnLoc, Expr *Result, | ||||
1528 | bool IsImplicit) { | ||||
1529 | return getSema().BuildCoreturnStmt(CoreturnLoc, Result, IsImplicit); | ||||
1530 | } | ||||
1531 | |||||
1532 | /// Build a new co_await expression. | ||||
1533 | /// | ||||
1534 | /// By default, performs semantic analysis to build the new expression. | ||||
1535 | /// Subclasses may override this routine to provide different behavior. | ||||
1536 | ExprResult RebuildCoawaitExpr(SourceLocation CoawaitLoc, Expr *Operand, | ||||
1537 | UnresolvedLookupExpr *OpCoawaitLookup, | ||||
1538 | bool IsImplicit) { | ||||
1539 | // This function rebuilds a coawait-expr given its operator. | ||||
1540 | // For an explicit coawait-expr, the rebuild involves the full set | ||||
1541 | // of transformations performed by BuildUnresolvedCoawaitExpr(), | ||||
1542 | // including calling await_transform(). | ||||
1543 | // For an implicit coawait-expr, we need to rebuild the "operator | ||||
1544 | // coawait" but not await_transform(), so use BuildResolvedCoawaitExpr(). | ||||
1545 | // This mirrors how the implicit CoawaitExpr is originally created | ||||
1546 | // in Sema::ActOnCoroutineBodyStart(). | ||||
1547 | if (IsImplicit) { | ||||
1548 | ExprResult Suspend = getSema().BuildOperatorCoawaitCall( | ||||
1549 | CoawaitLoc, Operand, OpCoawaitLookup); | ||||
1550 | if (Suspend.isInvalid()) | ||||
1551 | return ExprError(); | ||||
1552 | return getSema().BuildResolvedCoawaitExpr(CoawaitLoc, Operand, | ||||
1553 | Suspend.get(), true); | ||||
1554 | } | ||||
1555 | |||||
1556 | return getSema().BuildUnresolvedCoawaitExpr(CoawaitLoc, Operand, | ||||
1557 | OpCoawaitLookup); | ||||
1558 | } | ||||
1559 | |||||
1560 | /// Build a new co_await expression. | ||||
1561 | /// | ||||
1562 | /// By default, performs semantic analysis to build the new expression. | ||||
1563 | /// Subclasses may override this routine to provide different behavior. | ||||
1564 | ExprResult RebuildDependentCoawaitExpr(SourceLocation CoawaitLoc, | ||||
1565 | Expr *Result, | ||||
1566 | UnresolvedLookupExpr *Lookup) { | ||||
1567 | return getSema().BuildUnresolvedCoawaitExpr(CoawaitLoc, Result, Lookup); | ||||
1568 | } | ||||
1569 | |||||
1570 | /// Build a new co_yield expression. | ||||
1571 | /// | ||||
1572 | /// By default, performs semantic analysis to build the new expression. | ||||
1573 | /// Subclasses may override this routine to provide different behavior. | ||||
1574 | ExprResult RebuildCoyieldExpr(SourceLocation CoyieldLoc, Expr *Result) { | ||||
1575 | return getSema().BuildCoyieldExpr(CoyieldLoc, Result); | ||||
1576 | } | ||||
1577 | |||||
1578 | StmtResult RebuildCoroutineBodyStmt(CoroutineBodyStmt::CtorArgs Args) { | ||||
1579 | return getSema().BuildCoroutineBodyStmt(Args); | ||||
1580 | } | ||||
1581 | |||||
1582 | /// Build a new Objective-C \@try statement. | ||||
1583 | /// | ||||
1584 | /// By default, performs semantic analysis to build the new statement. | ||||
1585 | /// Subclasses may override this routine to provide different behavior. | ||||
1586 | StmtResult RebuildObjCAtTryStmt(SourceLocation AtLoc, | ||||
1587 | Stmt *TryBody, | ||||
1588 | MultiStmtArg CatchStmts, | ||||
1589 | Stmt *Finally) { | ||||
1590 | return getSema().ActOnObjCAtTryStmt(AtLoc, TryBody, CatchStmts, | ||||
1591 | Finally); | ||||
1592 | } | ||||
1593 | |||||
1594 | /// Rebuild an Objective-C exception declaration. | ||||
1595 | /// | ||||
1596 | /// By default, performs semantic analysis to build the new declaration. | ||||
1597 | /// Subclasses may override this routine to provide different behavior. | ||||
1598 | VarDecl *RebuildObjCExceptionDecl(VarDecl *ExceptionDecl, | ||||
1599 | TypeSourceInfo *TInfo, QualType T) { | ||||
1600 | return getSema().BuildObjCExceptionDecl(TInfo, T, | ||||
1601 | ExceptionDecl->getInnerLocStart(), | ||||
1602 | ExceptionDecl->getLocation(), | ||||
1603 | ExceptionDecl->getIdentifier()); | ||||
1604 | } | ||||
1605 | |||||
1606 | /// Build a new Objective-C \@catch statement. | ||||
1607 | /// | ||||
1608 | /// By default, performs semantic analysis to build the new statement. | ||||
1609 | /// Subclasses may override this routine to provide different behavior. | ||||
1610 | StmtResult RebuildObjCAtCatchStmt(SourceLocation AtLoc, | ||||
1611 | SourceLocation RParenLoc, | ||||
1612 | VarDecl *Var, | ||||
1613 | Stmt *Body) { | ||||
1614 | return getSema().ActOnObjCAtCatchStmt(AtLoc, RParenLoc, | ||||
1615 | Var, Body); | ||||
1616 | } | ||||
1617 | |||||
1618 | /// Build a new Objective-C \@finally statement. | ||||
1619 | /// | ||||
1620 | /// By default, performs semantic analysis to build the new statement. | ||||
1621 | /// Subclasses may override this routine to provide different behavior. | ||||
1622 | StmtResult RebuildObjCAtFinallyStmt(SourceLocation AtLoc, | ||||
1623 | Stmt *Body) { | ||||
1624 | return getSema().ActOnObjCAtFinallyStmt(AtLoc, Body); | ||||
1625 | } | ||||
1626 | |||||
1627 | /// Build a new Objective-C \@throw statement. | ||||
1628 | /// | ||||
1629 | /// By default, performs semantic analysis to build the new statement. | ||||
1630 | /// Subclasses may override this routine to provide different behavior. | ||||
1631 | StmtResult RebuildObjCAtThrowStmt(SourceLocation AtLoc, | ||||
1632 | Expr *Operand) { | ||||
1633 | return getSema().BuildObjCAtThrowStmt(AtLoc, Operand); | ||||
1634 | } | ||||
1635 | |||||
1636 | /// Build a new OpenMP Canonical loop. | ||||
1637 | /// | ||||
1638 | /// Ensures that the outermost loop in @p LoopStmt is wrapped by a | ||||
1639 | /// OMPCanonicalLoop. | ||||
1640 | StmtResult RebuildOMPCanonicalLoop(Stmt *LoopStmt) { | ||||
1641 | return getSema().ActOnOpenMPCanonicalLoop(LoopStmt); | ||||
1642 | } | ||||
1643 | |||||
1644 | /// Build a new OpenMP executable directive. | ||||
1645 | /// | ||||
1646 | /// By default, performs semantic analysis to build the new statement. | ||||
1647 | /// Subclasses may override this routine to provide different behavior. | ||||
1648 | StmtResult RebuildOMPExecutableDirective(OpenMPDirectiveKind Kind, | ||||
1649 | DeclarationNameInfo DirName, | ||||
1650 | OpenMPDirectiveKind CancelRegion, | ||||
1651 | ArrayRef<OMPClause *> Clauses, | ||||
1652 | Stmt *AStmt, SourceLocation StartLoc, | ||||
1653 | SourceLocation EndLoc) { | ||||
1654 | return getSema().ActOnOpenMPExecutableDirective( | ||||
1655 | Kind, DirName, CancelRegion, Clauses, AStmt, StartLoc, EndLoc); | ||||
1656 | } | ||||
1657 | |||||
1658 | /// Build a new OpenMP 'if' clause. | ||||
1659 | /// | ||||
1660 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1661 | /// Subclasses may override this routine to provide different behavior. | ||||
1662 | OMPClause *RebuildOMPIfClause(OpenMPDirectiveKind NameModifier, | ||||
1663 | Expr *Condition, SourceLocation StartLoc, | ||||
1664 | SourceLocation LParenLoc, | ||||
1665 | SourceLocation NameModifierLoc, | ||||
1666 | SourceLocation ColonLoc, | ||||
1667 | SourceLocation EndLoc) { | ||||
1668 | return getSema().ActOnOpenMPIfClause(NameModifier, Condition, StartLoc, | ||||
1669 | LParenLoc, NameModifierLoc, ColonLoc, | ||||
1670 | EndLoc); | ||||
1671 | } | ||||
1672 | |||||
1673 | /// Build a new OpenMP 'final' clause. | ||||
1674 | /// | ||||
1675 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1676 | /// Subclasses may override this routine to provide different behavior. | ||||
1677 | OMPClause *RebuildOMPFinalClause(Expr *Condition, SourceLocation StartLoc, | ||||
1678 | SourceLocation LParenLoc, | ||||
1679 | SourceLocation EndLoc) { | ||||
1680 | return getSema().ActOnOpenMPFinalClause(Condition, StartLoc, LParenLoc, | ||||
1681 | EndLoc); | ||||
1682 | } | ||||
1683 | |||||
1684 | /// Build a new OpenMP 'num_threads' clause. | ||||
1685 | /// | ||||
1686 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1687 | /// Subclasses may override this routine to provide different behavior. | ||||
1688 | OMPClause *RebuildOMPNumThreadsClause(Expr *NumThreads, | ||||
1689 | SourceLocation StartLoc, | ||||
1690 | SourceLocation LParenLoc, | ||||
1691 | SourceLocation EndLoc) { | ||||
1692 | return getSema().ActOnOpenMPNumThreadsClause(NumThreads, StartLoc, | ||||
1693 | LParenLoc, EndLoc); | ||||
1694 | } | ||||
1695 | |||||
1696 | /// Build a new OpenMP 'safelen' clause. | ||||
1697 | /// | ||||
1698 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1699 | /// Subclasses may override this routine to provide different behavior. | ||||
1700 | OMPClause *RebuildOMPSafelenClause(Expr *Len, SourceLocation StartLoc, | ||||
1701 | SourceLocation LParenLoc, | ||||
1702 | SourceLocation EndLoc) { | ||||
1703 | return getSema().ActOnOpenMPSafelenClause(Len, StartLoc, LParenLoc, EndLoc); | ||||
1704 | } | ||||
1705 | |||||
1706 | /// Build a new OpenMP 'simdlen' clause. | ||||
1707 | /// | ||||
1708 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1709 | /// Subclasses may override this routine to provide different behavior. | ||||
1710 | OMPClause *RebuildOMPSimdlenClause(Expr *Len, SourceLocation StartLoc, | ||||
1711 | SourceLocation LParenLoc, | ||||
1712 | SourceLocation EndLoc) { | ||||
1713 | return getSema().ActOnOpenMPSimdlenClause(Len, StartLoc, LParenLoc, EndLoc); | ||||
1714 | } | ||||
1715 | |||||
1716 | OMPClause *RebuildOMPSizesClause(ArrayRef<Expr *> Sizes, | ||||
1717 | SourceLocation StartLoc, | ||||
1718 | SourceLocation LParenLoc, | ||||
1719 | SourceLocation EndLoc) { | ||||
1720 | return getSema().ActOnOpenMPSizesClause(Sizes, StartLoc, LParenLoc, EndLoc); | ||||
1721 | } | ||||
1722 | |||||
1723 | /// Build a new OpenMP 'full' clause. | ||||
1724 | OMPClause *RebuildOMPFullClause(SourceLocation StartLoc, | ||||
1725 | SourceLocation EndLoc) { | ||||
1726 | return getSema().ActOnOpenMPFullClause(StartLoc, EndLoc); | ||||
1727 | } | ||||
1728 | |||||
1729 | /// Build a new OpenMP 'partial' clause. | ||||
1730 | OMPClause *RebuildOMPPartialClause(Expr *Factor, SourceLocation StartLoc, | ||||
1731 | SourceLocation LParenLoc, | ||||
1732 | SourceLocation EndLoc) { | ||||
1733 | return getSema().ActOnOpenMPPartialClause(Factor, StartLoc, LParenLoc, | ||||
1734 | EndLoc); | ||||
1735 | } | ||||
1736 | |||||
1737 | /// Build a new OpenMP 'allocator' clause. | ||||
1738 | /// | ||||
1739 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1740 | /// Subclasses may override this routine to provide different behavior. | ||||
1741 | OMPClause *RebuildOMPAllocatorClause(Expr *A, SourceLocation StartLoc, | ||||
1742 | SourceLocation LParenLoc, | ||||
1743 | SourceLocation EndLoc) { | ||||
1744 | return getSema().ActOnOpenMPAllocatorClause(A, StartLoc, LParenLoc, EndLoc); | ||||
1745 | } | ||||
1746 | |||||
1747 | /// Build a new OpenMP 'collapse' clause. | ||||
1748 | /// | ||||
1749 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1750 | /// Subclasses may override this routine to provide different behavior. | ||||
1751 | OMPClause *RebuildOMPCollapseClause(Expr *Num, SourceLocation StartLoc, | ||||
1752 | SourceLocation LParenLoc, | ||||
1753 | SourceLocation EndLoc) { | ||||
1754 | return getSema().ActOnOpenMPCollapseClause(Num, StartLoc, LParenLoc, | ||||
1755 | EndLoc); | ||||
1756 | } | ||||
1757 | |||||
1758 | /// Build a new OpenMP 'default' clause. | ||||
1759 | /// | ||||
1760 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1761 | /// Subclasses may override this routine to provide different behavior. | ||||
1762 | OMPClause *RebuildOMPDefaultClause(DefaultKind Kind, SourceLocation KindKwLoc, | ||||
1763 | SourceLocation StartLoc, | ||||
1764 | SourceLocation LParenLoc, | ||||
1765 | SourceLocation EndLoc) { | ||||
1766 | return getSema().ActOnOpenMPDefaultClause(Kind, KindKwLoc, | ||||
1767 | StartLoc, LParenLoc, EndLoc); | ||||
1768 | } | ||||
1769 | |||||
1770 | /// Build a new OpenMP 'proc_bind' clause. | ||||
1771 | /// | ||||
1772 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1773 | /// Subclasses may override this routine to provide different behavior. | ||||
1774 | OMPClause *RebuildOMPProcBindClause(ProcBindKind Kind, | ||||
1775 | SourceLocation KindKwLoc, | ||||
1776 | SourceLocation StartLoc, | ||||
1777 | SourceLocation LParenLoc, | ||||
1778 | SourceLocation EndLoc) { | ||||
1779 | return getSema().ActOnOpenMPProcBindClause(Kind, KindKwLoc, | ||||
1780 | StartLoc, LParenLoc, EndLoc); | ||||
1781 | } | ||||
1782 | |||||
1783 | /// Build a new OpenMP 'schedule' clause. | ||||
1784 | /// | ||||
1785 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1786 | /// Subclasses may override this routine to provide different behavior. | ||||
1787 | OMPClause *RebuildOMPScheduleClause( | ||||
1788 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, | ||||
1789 | OpenMPScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | ||||
1790 | SourceLocation LParenLoc, SourceLocation M1Loc, SourceLocation M2Loc, | ||||
1791 | SourceLocation KindLoc, SourceLocation CommaLoc, SourceLocation EndLoc) { | ||||
1792 | return getSema().ActOnOpenMPScheduleClause( | ||||
1793 | M1, M2, Kind, ChunkSize, StartLoc, LParenLoc, M1Loc, M2Loc, KindLoc, | ||||
1794 | CommaLoc, EndLoc); | ||||
1795 | } | ||||
1796 | |||||
1797 | /// Build a new OpenMP 'ordered' clause. | ||||
1798 | /// | ||||
1799 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1800 | /// Subclasses may override this routine to provide different behavior. | ||||
1801 | OMPClause *RebuildOMPOrderedClause(SourceLocation StartLoc, | ||||
1802 | SourceLocation EndLoc, | ||||
1803 | SourceLocation LParenLoc, Expr *Num) { | ||||
1804 | return getSema().ActOnOpenMPOrderedClause(StartLoc, EndLoc, LParenLoc, Num); | ||||
1805 | } | ||||
1806 | |||||
1807 | /// Build a new OpenMP 'private' clause. | ||||
1808 | /// | ||||
1809 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1810 | /// Subclasses may override this routine to provide different behavior. | ||||
1811 | OMPClause *RebuildOMPPrivateClause(ArrayRef<Expr *> VarList, | ||||
1812 | SourceLocation StartLoc, | ||||
1813 | SourceLocation LParenLoc, | ||||
1814 | SourceLocation EndLoc) { | ||||
1815 | return getSema().ActOnOpenMPPrivateClause(VarList, StartLoc, LParenLoc, | ||||
1816 | EndLoc); | ||||
1817 | } | ||||
1818 | |||||
1819 | /// Build a new OpenMP 'firstprivate' clause. | ||||
1820 | /// | ||||
1821 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1822 | /// Subclasses may override this routine to provide different behavior. | ||||
1823 | OMPClause *RebuildOMPFirstprivateClause(ArrayRef<Expr *> VarList, | ||||
1824 | SourceLocation StartLoc, | ||||
1825 | SourceLocation LParenLoc, | ||||
1826 | SourceLocation EndLoc) { | ||||
1827 | return getSema().ActOnOpenMPFirstprivateClause(VarList, StartLoc, LParenLoc, | ||||
1828 | EndLoc); | ||||
1829 | } | ||||
1830 | |||||
1831 | /// Build a new OpenMP 'lastprivate' clause. | ||||
1832 | /// | ||||
1833 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1834 | /// Subclasses may override this routine to provide different behavior. | ||||
1835 | OMPClause *RebuildOMPLastprivateClause(ArrayRef<Expr *> VarList, | ||||
1836 | OpenMPLastprivateModifier LPKind, | ||||
1837 | SourceLocation LPKindLoc, | ||||
1838 | SourceLocation ColonLoc, | ||||
1839 | SourceLocation StartLoc, | ||||
1840 | SourceLocation LParenLoc, | ||||
1841 | SourceLocation EndLoc) { | ||||
1842 | return getSema().ActOnOpenMPLastprivateClause( | ||||
1843 | VarList, LPKind, LPKindLoc, ColonLoc, StartLoc, LParenLoc, EndLoc); | ||||
1844 | } | ||||
1845 | |||||
1846 | /// Build a new OpenMP 'shared' clause. | ||||
1847 | /// | ||||
1848 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1849 | /// Subclasses may override this routine to provide different behavior. | ||||
1850 | OMPClause *RebuildOMPSharedClause(ArrayRef<Expr *> VarList, | ||||
1851 | SourceLocation StartLoc, | ||||
1852 | SourceLocation LParenLoc, | ||||
1853 | SourceLocation EndLoc) { | ||||
1854 | return getSema().ActOnOpenMPSharedClause(VarList, StartLoc, LParenLoc, | ||||
1855 | EndLoc); | ||||
1856 | } | ||||
1857 | |||||
1858 | /// Build a new OpenMP 'reduction' clause. | ||||
1859 | /// | ||||
1860 | /// By default, performs semantic analysis to build the new statement. | ||||
1861 | /// Subclasses may override this routine to provide different behavior. | ||||
1862 | OMPClause *RebuildOMPReductionClause( | ||||
1863 | ArrayRef<Expr *> VarList, OpenMPReductionClauseModifier Modifier, | ||||
1864 | SourceLocation StartLoc, SourceLocation LParenLoc, | ||||
1865 | SourceLocation ModifierLoc, SourceLocation ColonLoc, | ||||
1866 | SourceLocation EndLoc, CXXScopeSpec &ReductionIdScopeSpec, | ||||
1867 | const DeclarationNameInfo &ReductionId, | ||||
1868 | ArrayRef<Expr *> UnresolvedReductions) { | ||||
1869 | return getSema().ActOnOpenMPReductionClause( | ||||
1870 | VarList, Modifier, StartLoc, LParenLoc, ModifierLoc, ColonLoc, EndLoc, | ||||
1871 | ReductionIdScopeSpec, ReductionId, UnresolvedReductions); | ||||
1872 | } | ||||
1873 | |||||
1874 | /// Build a new OpenMP 'task_reduction' clause. | ||||
1875 | /// | ||||
1876 | /// By default, performs semantic analysis to build the new statement. | ||||
1877 | /// Subclasses may override this routine to provide different behavior. | ||||
1878 | OMPClause *RebuildOMPTaskReductionClause( | ||||
1879 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, | ||||
1880 | SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc, | ||||
1881 | CXXScopeSpec &ReductionIdScopeSpec, | ||||
1882 | const DeclarationNameInfo &ReductionId, | ||||
1883 | ArrayRef<Expr *> UnresolvedReductions) { | ||||
1884 | return getSema().ActOnOpenMPTaskReductionClause( | ||||
1885 | VarList, StartLoc, LParenLoc, ColonLoc, EndLoc, ReductionIdScopeSpec, | ||||
1886 | ReductionId, UnresolvedReductions); | ||||
1887 | } | ||||
1888 | |||||
1889 | /// Build a new OpenMP 'in_reduction' clause. | ||||
1890 | /// | ||||
1891 | /// By default, performs semantic analysis to build the new statement. | ||||
1892 | /// Subclasses may override this routine to provide different behavior. | ||||
1893 | OMPClause * | ||||
1894 | RebuildOMPInReductionClause(ArrayRef<Expr *> VarList, SourceLocation StartLoc, | ||||
1895 | SourceLocation LParenLoc, SourceLocation ColonLoc, | ||||
1896 | SourceLocation EndLoc, | ||||
1897 | CXXScopeSpec &ReductionIdScopeSpec, | ||||
1898 | const DeclarationNameInfo &ReductionId, | ||||
1899 | ArrayRef<Expr *> UnresolvedReductions) { | ||||
1900 | return getSema().ActOnOpenMPInReductionClause( | ||||
1901 | VarList, StartLoc, LParenLoc, ColonLoc, EndLoc, ReductionIdScopeSpec, | ||||
1902 | ReductionId, UnresolvedReductions); | ||||
1903 | } | ||||
1904 | |||||
1905 | /// Build a new OpenMP 'linear' clause. | ||||
1906 | /// | ||||
1907 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1908 | /// Subclasses may override this routine to provide different behavior. | ||||
1909 | OMPClause *RebuildOMPLinearClause(ArrayRef<Expr *> VarList, Expr *Step, | ||||
1910 | SourceLocation StartLoc, | ||||
1911 | SourceLocation LParenLoc, | ||||
1912 | OpenMPLinearClauseKind Modifier, | ||||
1913 | SourceLocation ModifierLoc, | ||||
1914 | SourceLocation ColonLoc, | ||||
1915 | SourceLocation EndLoc) { | ||||
1916 | return getSema().ActOnOpenMPLinearClause(VarList, Step, StartLoc, LParenLoc, | ||||
1917 | Modifier, ModifierLoc, ColonLoc, | ||||
1918 | EndLoc); | ||||
1919 | } | ||||
1920 | |||||
1921 | /// Build a new OpenMP 'aligned' clause. | ||||
1922 | /// | ||||
1923 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1924 | /// Subclasses may override this routine to provide different behavior. | ||||
1925 | OMPClause *RebuildOMPAlignedClause(ArrayRef<Expr *> VarList, Expr *Alignment, | ||||
1926 | SourceLocation StartLoc, | ||||
1927 | SourceLocation LParenLoc, | ||||
1928 | SourceLocation ColonLoc, | ||||
1929 | SourceLocation EndLoc) { | ||||
1930 | return getSema().ActOnOpenMPAlignedClause(VarList, Alignment, StartLoc, | ||||
1931 | LParenLoc, ColonLoc, EndLoc); | ||||
1932 | } | ||||
1933 | |||||
1934 | /// Build a new OpenMP 'copyin' clause. | ||||
1935 | /// | ||||
1936 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1937 | /// Subclasses may override this routine to provide different behavior. | ||||
1938 | OMPClause *RebuildOMPCopyinClause(ArrayRef<Expr *> VarList, | ||||
1939 | SourceLocation StartLoc, | ||||
1940 | SourceLocation LParenLoc, | ||||
1941 | SourceLocation EndLoc) { | ||||
1942 | return getSema().ActOnOpenMPCopyinClause(VarList, StartLoc, LParenLoc, | ||||
1943 | EndLoc); | ||||
1944 | } | ||||
1945 | |||||
1946 | /// Build a new OpenMP 'copyprivate' clause. | ||||
1947 | /// | ||||
1948 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1949 | /// Subclasses may override this routine to provide different behavior. | ||||
1950 | OMPClause *RebuildOMPCopyprivateClause(ArrayRef<Expr *> VarList, | ||||
1951 | SourceLocation StartLoc, | ||||
1952 | SourceLocation LParenLoc, | ||||
1953 | SourceLocation EndLoc) { | ||||
1954 | return getSema().ActOnOpenMPCopyprivateClause(VarList, StartLoc, LParenLoc, | ||||
1955 | EndLoc); | ||||
1956 | } | ||||
1957 | |||||
1958 | /// Build a new OpenMP 'flush' pseudo clause. | ||||
1959 | /// | ||||
1960 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1961 | /// Subclasses may override this routine to provide different behavior. | ||||
1962 | OMPClause *RebuildOMPFlushClause(ArrayRef<Expr *> VarList, | ||||
1963 | SourceLocation StartLoc, | ||||
1964 | SourceLocation LParenLoc, | ||||
1965 | SourceLocation EndLoc) { | ||||
1966 | return getSema().ActOnOpenMPFlushClause(VarList, StartLoc, LParenLoc, | ||||
1967 | EndLoc); | ||||
1968 | } | ||||
1969 | |||||
1970 | /// Build a new OpenMP 'depobj' pseudo clause. | ||||
1971 | /// | ||||
1972 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1973 | /// Subclasses may override this routine to provide different behavior. | ||||
1974 | OMPClause *RebuildOMPDepobjClause(Expr *Depobj, SourceLocation StartLoc, | ||||
1975 | SourceLocation LParenLoc, | ||||
1976 | SourceLocation EndLoc) { | ||||
1977 | return getSema().ActOnOpenMPDepobjClause(Depobj, StartLoc, LParenLoc, | ||||
1978 | EndLoc); | ||||
1979 | } | ||||
1980 | |||||
1981 | /// Build a new OpenMP 'depend' pseudo clause. | ||||
1982 | /// | ||||
1983 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
1984 | /// Subclasses may override this routine to provide different behavior. | ||||
1985 | OMPClause *RebuildOMPDependClause(OMPDependClause::DependDataTy Data, | ||||
1986 | Expr *DepModifier, ArrayRef<Expr *> VarList, | ||||
1987 | SourceLocation StartLoc, | ||||
1988 | SourceLocation LParenLoc, | ||||
1989 | SourceLocation EndLoc) { | ||||
1990 | return getSema().ActOnOpenMPDependClause(Data, DepModifier, VarList, | ||||
1991 | StartLoc, LParenLoc, EndLoc); | ||||
1992 | } | ||||
1993 | |||||
1994 | /// Build a new OpenMP 'device' clause. | ||||
1995 | /// | ||||
1996 | /// By default, performs semantic analysis to build the new statement. | ||||
1997 | /// Subclasses may override this routine to provide different behavior. | ||||
1998 | OMPClause *RebuildOMPDeviceClause(OpenMPDeviceClauseModifier Modifier, | ||||
1999 | Expr *Device, SourceLocation StartLoc, | ||||
2000 | SourceLocation LParenLoc, | ||||
2001 | SourceLocation ModifierLoc, | ||||
2002 | SourceLocation EndLoc) { | ||||
2003 | return getSema().ActOnOpenMPDeviceClause(Modifier, Device, StartLoc, | ||||
2004 | LParenLoc, ModifierLoc, EndLoc); | ||||
2005 | } | ||||
2006 | |||||
2007 | /// Build a new OpenMP 'map' clause. | ||||
2008 | /// | ||||
2009 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2010 | /// Subclasses may override this routine to provide different behavior. | ||||
2011 | OMPClause *RebuildOMPMapClause( | ||||
2012 | Expr *IteratorModifier, ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, | ||||
2013 | ArrayRef<SourceLocation> MapTypeModifiersLoc, | ||||
2014 | CXXScopeSpec MapperIdScopeSpec, DeclarationNameInfo MapperId, | ||||
2015 | OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, | ||||
2016 | SourceLocation MapLoc, SourceLocation ColonLoc, ArrayRef<Expr *> VarList, | ||||
2017 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { | ||||
2018 | return getSema().ActOnOpenMPMapClause( | ||||
2019 | IteratorModifier, MapTypeModifiers, MapTypeModifiersLoc, | ||||
2020 | MapperIdScopeSpec, MapperId, MapType, IsMapTypeImplicit, MapLoc, | ||||
2021 | ColonLoc, VarList, Locs, | ||||
2022 | /*NoDiagnose=*/false, UnresolvedMappers); | ||||
2023 | } | ||||
2024 | |||||
2025 | /// Build a new OpenMP 'allocate' clause. | ||||
2026 | /// | ||||
2027 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2028 | /// Subclasses may override this routine to provide different behavior. | ||||
2029 | OMPClause *RebuildOMPAllocateClause(Expr *Allocate, ArrayRef<Expr *> VarList, | ||||
2030 | SourceLocation StartLoc, | ||||
2031 | SourceLocation LParenLoc, | ||||
2032 | SourceLocation ColonLoc, | ||||
2033 | SourceLocation EndLoc) { | ||||
2034 | return getSema().ActOnOpenMPAllocateClause(Allocate, VarList, StartLoc, | ||||
2035 | LParenLoc, ColonLoc, EndLoc); | ||||
2036 | } | ||||
2037 | |||||
2038 | /// Build a new OpenMP 'num_teams' clause. | ||||
2039 | /// | ||||
2040 | /// By default, performs semantic analysis to build the new statement. | ||||
2041 | /// Subclasses may override this routine to provide different behavior. | ||||
2042 | OMPClause *RebuildOMPNumTeamsClause(Expr *NumTeams, SourceLocation StartLoc, | ||||
2043 | SourceLocation LParenLoc, | ||||
2044 | SourceLocation EndLoc) { | ||||
2045 | return getSema().ActOnOpenMPNumTeamsClause(NumTeams, StartLoc, LParenLoc, | ||||
2046 | EndLoc); | ||||
2047 | } | ||||
2048 | |||||
2049 | /// Build a new OpenMP 'thread_limit' clause. | ||||
2050 | /// | ||||
2051 | /// By default, performs semantic analysis to build the new statement. | ||||
2052 | /// Subclasses may override this routine to provide different behavior. | ||||
2053 | OMPClause *RebuildOMPThreadLimitClause(Expr *ThreadLimit, | ||||
2054 | SourceLocation StartLoc, | ||||
2055 | SourceLocation LParenLoc, | ||||
2056 | SourceLocation EndLoc) { | ||||
2057 | return getSema().ActOnOpenMPThreadLimitClause(ThreadLimit, StartLoc, | ||||
2058 | LParenLoc, EndLoc); | ||||
2059 | } | ||||
2060 | |||||
2061 | /// Build a new OpenMP 'priority' clause. | ||||
2062 | /// | ||||
2063 | /// By default, performs semantic analysis to build the new statement. | ||||
2064 | /// Subclasses may override this routine to provide different behavior. | ||||
2065 | OMPClause *RebuildOMPPriorityClause(Expr *Priority, SourceLocation StartLoc, | ||||
2066 | SourceLocation LParenLoc, | ||||
2067 | SourceLocation EndLoc) { | ||||
2068 | return getSema().ActOnOpenMPPriorityClause(Priority, StartLoc, LParenLoc, | ||||
2069 | EndLoc); | ||||
2070 | } | ||||
2071 | |||||
2072 | /// Build a new OpenMP 'grainsize' clause. | ||||
2073 | /// | ||||
2074 | /// By default, performs semantic analysis to build the new statement. | ||||
2075 | /// Subclasses may override this routine to provide different behavior. | ||||
2076 | OMPClause *RebuildOMPGrainsizeClause(OpenMPGrainsizeClauseModifier Modifier, | ||||
2077 | Expr *Device, SourceLocation StartLoc, | ||||
2078 | SourceLocation LParenLoc, | ||||
2079 | SourceLocation ModifierLoc, | ||||
2080 | SourceLocation EndLoc) { | ||||
2081 | return getSema().ActOnOpenMPGrainsizeClause(Modifier, Device, StartLoc, | ||||
2082 | LParenLoc, ModifierLoc, EndLoc); | ||||
2083 | } | ||||
2084 | |||||
2085 | /// Build a new OpenMP 'num_tasks' clause. | ||||
2086 | /// | ||||
2087 | /// By default, performs semantic analysis to build the new statement. | ||||
2088 | /// Subclasses may override this routine to provide different behavior. | ||||
2089 | OMPClause *RebuildOMPNumTasksClause(OpenMPNumTasksClauseModifier Modifier, | ||||
2090 | Expr *NumTasks, SourceLocation StartLoc, | ||||
2091 | SourceLocation LParenLoc, | ||||
2092 | SourceLocation ModifierLoc, | ||||
2093 | SourceLocation EndLoc) { | ||||
2094 | return getSema().ActOnOpenMPNumTasksClause(Modifier, NumTasks, StartLoc, | ||||
2095 | LParenLoc, ModifierLoc, EndLoc); | ||||
2096 | } | ||||
2097 | |||||
2098 | /// Build a new OpenMP 'hint' clause. | ||||
2099 | /// | ||||
2100 | /// By default, performs semantic analysis to build the new statement. | ||||
2101 | /// Subclasses may override this routine to provide different behavior. | ||||
2102 | OMPClause *RebuildOMPHintClause(Expr *Hint, SourceLocation StartLoc, | ||||
2103 | SourceLocation LParenLoc, | ||||
2104 | SourceLocation EndLoc) { | ||||
2105 | return getSema().ActOnOpenMPHintClause(Hint, StartLoc, LParenLoc, EndLoc); | ||||
2106 | } | ||||
2107 | |||||
2108 | /// Build a new OpenMP 'detach' clause. | ||||
2109 | /// | ||||
2110 | /// By default, performs semantic analysis to build the new statement. | ||||
2111 | /// Subclasses may override this routine to provide different behavior. | ||||
2112 | OMPClause *RebuildOMPDetachClause(Expr *Evt, SourceLocation StartLoc, | ||||
2113 | SourceLocation LParenLoc, | ||||
2114 | SourceLocation EndLoc) { | ||||
2115 | return getSema().ActOnOpenMPDetachClause(Evt, StartLoc, LParenLoc, EndLoc); | ||||
2116 | } | ||||
2117 | |||||
2118 | /// Build a new OpenMP 'dist_schedule' clause. | ||||
2119 | /// | ||||
2120 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2121 | /// Subclasses may override this routine to provide different behavior. | ||||
2122 | OMPClause * | ||||
2123 | RebuildOMPDistScheduleClause(OpenMPDistScheduleClauseKind Kind, | ||||
2124 | Expr *ChunkSize, SourceLocation StartLoc, | ||||
2125 | SourceLocation LParenLoc, SourceLocation KindLoc, | ||||
2126 | SourceLocation CommaLoc, SourceLocation EndLoc) { | ||||
2127 | return getSema().ActOnOpenMPDistScheduleClause( | ||||
2128 | Kind, ChunkSize, StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc); | ||||
2129 | } | ||||
2130 | |||||
2131 | /// Build a new OpenMP 'to' clause. | ||||
2132 | /// | ||||
2133 | /// By default, performs semantic analysis to build the new statement. | ||||
2134 | /// Subclasses may override this routine to provide different behavior. | ||||
2135 | OMPClause * | ||||
2136 | RebuildOMPToClause(ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | ||||
2137 | ArrayRef<SourceLocation> MotionModifiersLoc, | ||||
2138 | CXXScopeSpec &MapperIdScopeSpec, | ||||
2139 | DeclarationNameInfo &MapperId, SourceLocation ColonLoc, | ||||
2140 | ArrayRef<Expr *> VarList, const OMPVarListLocTy &Locs, | ||||
2141 | ArrayRef<Expr *> UnresolvedMappers) { | ||||
2142 | return getSema().ActOnOpenMPToClause(MotionModifiers, MotionModifiersLoc, | ||||
2143 | MapperIdScopeSpec, MapperId, ColonLoc, | ||||
2144 | VarList, Locs, UnresolvedMappers); | ||||
2145 | } | ||||
2146 | |||||
2147 | /// Build a new OpenMP 'from' clause. | ||||
2148 | /// | ||||
2149 | /// By default, performs semantic analysis to build the new statement. | ||||
2150 | /// Subclasses may override this routine to provide different behavior. | ||||
2151 | OMPClause * | ||||
2152 | RebuildOMPFromClause(ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | ||||
2153 | ArrayRef<SourceLocation> MotionModifiersLoc, | ||||
2154 | CXXScopeSpec &MapperIdScopeSpec, | ||||
2155 | DeclarationNameInfo &MapperId, SourceLocation ColonLoc, | ||||
2156 | ArrayRef<Expr *> VarList, const OMPVarListLocTy &Locs, | ||||
2157 | ArrayRef<Expr *> UnresolvedMappers) { | ||||
2158 | return getSema().ActOnOpenMPFromClause( | ||||
2159 | MotionModifiers, MotionModifiersLoc, MapperIdScopeSpec, MapperId, | ||||
2160 | ColonLoc, VarList, Locs, UnresolvedMappers); | ||||
2161 | } | ||||
2162 | |||||
2163 | /// Build a new OpenMP 'use_device_ptr' clause. | ||||
2164 | /// | ||||
2165 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2166 | /// Subclasses may override this routine to provide different behavior. | ||||
2167 | OMPClause *RebuildOMPUseDevicePtrClause(ArrayRef<Expr *> VarList, | ||||
2168 | const OMPVarListLocTy &Locs) { | ||||
2169 | return getSema().ActOnOpenMPUseDevicePtrClause(VarList, Locs); | ||||
2170 | } | ||||
2171 | |||||
2172 | /// Build a new OpenMP 'use_device_addr' clause. | ||||
2173 | /// | ||||
2174 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2175 | /// Subclasses may override this routine to provide different behavior. | ||||
2176 | OMPClause *RebuildOMPUseDeviceAddrClause(ArrayRef<Expr *> VarList, | ||||
2177 | const OMPVarListLocTy &Locs) { | ||||
2178 | return getSema().ActOnOpenMPUseDeviceAddrClause(VarList, Locs); | ||||
2179 | } | ||||
2180 | |||||
2181 | /// Build a new OpenMP 'is_device_ptr' clause. | ||||
2182 | /// | ||||
2183 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2184 | /// Subclasses may override this routine to provide different behavior. | ||||
2185 | OMPClause *RebuildOMPIsDevicePtrClause(ArrayRef<Expr *> VarList, | ||||
2186 | const OMPVarListLocTy &Locs) { | ||||
2187 | return getSema().ActOnOpenMPIsDevicePtrClause(VarList, Locs); | ||||
2188 | } | ||||
2189 | |||||
2190 | /// Build a new OpenMP 'has_device_addr' clause. | ||||
2191 | /// | ||||
2192 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2193 | /// Subclasses may override this routine to provide different behavior. | ||||
2194 | OMPClause *RebuildOMPHasDeviceAddrClause(ArrayRef<Expr *> VarList, | ||||
2195 | const OMPVarListLocTy &Locs) { | ||||
2196 | return getSema().ActOnOpenMPHasDeviceAddrClause(VarList, Locs); | ||||
2197 | } | ||||
2198 | |||||
2199 | /// Build a new OpenMP 'defaultmap' clause. | ||||
2200 | /// | ||||
2201 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2202 | /// Subclasses may override this routine to provide different behavior. | ||||
2203 | OMPClause *RebuildOMPDefaultmapClause(OpenMPDefaultmapClauseModifier M, | ||||
2204 | OpenMPDefaultmapClauseKind Kind, | ||||
2205 | SourceLocation StartLoc, | ||||
2206 | SourceLocation LParenLoc, | ||||
2207 | SourceLocation MLoc, | ||||
2208 | SourceLocation KindLoc, | ||||
2209 | SourceLocation EndLoc) { | ||||
2210 | return getSema().ActOnOpenMPDefaultmapClause(M, Kind, StartLoc, LParenLoc, | ||||
2211 | MLoc, KindLoc, EndLoc); | ||||
2212 | } | ||||
2213 | |||||
2214 | /// Build a new OpenMP 'nontemporal' clause. | ||||
2215 | /// | ||||
2216 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2217 | /// Subclasses may override this routine to provide different behavior. | ||||
2218 | OMPClause *RebuildOMPNontemporalClause(ArrayRef<Expr *> VarList, | ||||
2219 | SourceLocation StartLoc, | ||||
2220 | SourceLocation LParenLoc, | ||||
2221 | SourceLocation EndLoc) { | ||||
2222 | return getSema().ActOnOpenMPNontemporalClause(VarList, StartLoc, LParenLoc, | ||||
2223 | EndLoc); | ||||
2224 | } | ||||
2225 | |||||
2226 | /// Build a new OpenMP 'inclusive' clause. | ||||
2227 | /// | ||||
2228 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2229 | /// Subclasses may override this routine to provide different behavior. | ||||
2230 | OMPClause *RebuildOMPInclusiveClause(ArrayRef<Expr *> VarList, | ||||
2231 | SourceLocation StartLoc, | ||||
2232 | SourceLocation LParenLoc, | ||||
2233 | SourceLocation EndLoc) { | ||||
2234 | return getSema().ActOnOpenMPInclusiveClause(VarList, StartLoc, LParenLoc, | ||||
2235 | EndLoc); | ||||
2236 | } | ||||
2237 | |||||
2238 | /// Build a new OpenMP 'exclusive' clause. | ||||
2239 | /// | ||||
2240 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2241 | /// Subclasses may override this routine to provide different behavior. | ||||
2242 | OMPClause *RebuildOMPExclusiveClause(ArrayRef<Expr *> VarList, | ||||
2243 | SourceLocation StartLoc, | ||||
2244 | SourceLocation LParenLoc, | ||||
2245 | SourceLocation EndLoc) { | ||||
2246 | return getSema().ActOnOpenMPExclusiveClause(VarList, StartLoc, LParenLoc, | ||||
2247 | EndLoc); | ||||
2248 | } | ||||
2249 | |||||
2250 | /// Build a new OpenMP 'uses_allocators' clause. | ||||
2251 | /// | ||||
2252 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2253 | /// Subclasses may override this routine to provide different behavior. | ||||
2254 | OMPClause *RebuildOMPUsesAllocatorsClause( | ||||
2255 | ArrayRef<Sema::UsesAllocatorsData> Data, SourceLocation StartLoc, | ||||
2256 | SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||
2257 | return getSema().ActOnOpenMPUsesAllocatorClause(StartLoc, LParenLoc, EndLoc, | ||||
2258 | Data); | ||||
2259 | } | ||||
2260 | |||||
2261 | /// Build a new OpenMP 'affinity' clause. | ||||
2262 | /// | ||||
2263 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2264 | /// Subclasses may override this routine to provide different behavior. | ||||
2265 | OMPClause *RebuildOMPAffinityClause(SourceLocation StartLoc, | ||||
2266 | SourceLocation LParenLoc, | ||||
2267 | SourceLocation ColonLoc, | ||||
2268 | SourceLocation EndLoc, Expr *Modifier, | ||||
2269 | ArrayRef<Expr *> Locators) { | ||||
2270 | return getSema().ActOnOpenMPAffinityClause(StartLoc, LParenLoc, ColonLoc, | ||||
2271 | EndLoc, Modifier, Locators); | ||||
2272 | } | ||||
2273 | |||||
2274 | /// Build a new OpenMP 'order' clause. | ||||
2275 | /// | ||||
2276 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2277 | /// Subclasses may override this routine to provide different behavior. | ||||
2278 | OMPClause *RebuildOMPOrderClause( | ||||
2279 | OpenMPOrderClauseKind Kind, SourceLocation KindKwLoc, | ||||
2280 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc, | ||||
2281 | OpenMPOrderClauseModifier Modifier, SourceLocation ModifierKwLoc) { | ||||
2282 | return getSema().ActOnOpenMPOrderClause(Modifier, Kind, StartLoc, LParenLoc, | ||||
2283 | ModifierKwLoc, KindKwLoc, EndLoc); | ||||
2284 | } | ||||
2285 | |||||
2286 | /// Build a new OpenMP 'init' clause. | ||||
2287 | /// | ||||
2288 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2289 | /// Subclasses may override this routine to provide different behavior. | ||||
2290 | OMPClause *RebuildOMPInitClause(Expr *InteropVar, OMPInteropInfo &InteropInfo, | ||||
2291 | SourceLocation StartLoc, | ||||
2292 | SourceLocation LParenLoc, | ||||
2293 | SourceLocation VarLoc, | ||||
2294 | SourceLocation EndLoc) { | ||||
2295 | return getSema().ActOnOpenMPInitClause(InteropVar, InteropInfo, StartLoc, | ||||
2296 | LParenLoc, VarLoc, EndLoc); | ||||
2297 | } | ||||
2298 | |||||
2299 | /// Build a new OpenMP 'use' clause. | ||||
2300 | /// | ||||
2301 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2302 | /// Subclasses may override this routine to provide different behavior. | ||||
2303 | OMPClause *RebuildOMPUseClause(Expr *InteropVar, SourceLocation StartLoc, | ||||
2304 | SourceLocation LParenLoc, | ||||
2305 | SourceLocation VarLoc, SourceLocation EndLoc) { | ||||
2306 | return getSema().ActOnOpenMPUseClause(InteropVar, StartLoc, LParenLoc, | ||||
2307 | VarLoc, EndLoc); | ||||
2308 | } | ||||
2309 | |||||
2310 | /// Build a new OpenMP 'destroy' clause. | ||||
2311 | /// | ||||
2312 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2313 | /// Subclasses may override this routine to provide different behavior. | ||||
2314 | OMPClause *RebuildOMPDestroyClause(Expr *InteropVar, SourceLocation StartLoc, | ||||
2315 | SourceLocation LParenLoc, | ||||
2316 | SourceLocation VarLoc, | ||||
2317 | SourceLocation EndLoc) { | ||||
2318 | return getSema().ActOnOpenMPDestroyClause(InteropVar, StartLoc, LParenLoc, | ||||
2319 | VarLoc, EndLoc); | ||||
2320 | } | ||||
2321 | |||||
2322 | /// Build a new OpenMP 'novariants' clause. | ||||
2323 | /// | ||||
2324 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2325 | /// Subclasses may override this routine to provide different behavior. | ||||
2326 | OMPClause *RebuildOMPNovariantsClause(Expr *Condition, | ||||
2327 | SourceLocation StartLoc, | ||||
2328 | SourceLocation LParenLoc, | ||||
2329 | SourceLocation EndLoc) { | ||||
2330 | return getSema().ActOnOpenMPNovariantsClause(Condition, StartLoc, LParenLoc, | ||||
2331 | EndLoc); | ||||
2332 | } | ||||
2333 | |||||
2334 | /// Build a new OpenMP 'nocontext' clause. | ||||
2335 | /// | ||||
2336 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2337 | /// Subclasses may override this routine to provide different behavior. | ||||
2338 | OMPClause *RebuildOMPNocontextClause(Expr *Condition, SourceLocation StartLoc, | ||||
2339 | SourceLocation LParenLoc, | ||||
2340 | SourceLocation EndLoc) { | ||||
2341 | return getSema().ActOnOpenMPNocontextClause(Condition, StartLoc, LParenLoc, | ||||
2342 | EndLoc); | ||||
2343 | } | ||||
2344 | |||||
2345 | /// Build a new OpenMP 'filter' clause. | ||||
2346 | /// | ||||
2347 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2348 | /// Subclasses may override this routine to provide different behavior. | ||||
2349 | OMPClause *RebuildOMPFilterClause(Expr *ThreadID, SourceLocation StartLoc, | ||||
2350 | SourceLocation LParenLoc, | ||||
2351 | SourceLocation EndLoc) { | ||||
2352 | return getSema().ActOnOpenMPFilterClause(ThreadID, StartLoc, LParenLoc, | ||||
2353 | EndLoc); | ||||
2354 | } | ||||
2355 | |||||
2356 | /// Build a new OpenMP 'bind' clause. | ||||
2357 | /// | ||||
2358 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2359 | /// Subclasses may override this routine to provide different behavior. | ||||
2360 | OMPClause *RebuildOMPBindClause(OpenMPBindClauseKind Kind, | ||||
2361 | SourceLocation KindLoc, | ||||
2362 | SourceLocation StartLoc, | ||||
2363 | SourceLocation LParenLoc, | ||||
2364 | SourceLocation EndLoc) { | ||||
2365 | return getSema().ActOnOpenMPBindClause(Kind, KindLoc, StartLoc, LParenLoc, | ||||
2366 | EndLoc); | ||||
2367 | } | ||||
2368 | |||||
2369 | /// Build a new OpenMP 'ompx_dyn_cgroup_mem' clause. | ||||
2370 | /// | ||||
2371 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2372 | /// Subclasses may override this routine to provide different behavior. | ||||
2373 | OMPClause *RebuildOMPXDynCGroupMemClause(Expr *Size, SourceLocation StartLoc, | ||||
2374 | SourceLocation LParenLoc, | ||||
2375 | SourceLocation EndLoc) { | ||||
2376 | return getSema().ActOnOpenMPXDynCGroupMemClause(Size, StartLoc, LParenLoc, | ||||
2377 | EndLoc); | ||||
2378 | } | ||||
2379 | |||||
2380 | /// Build a new OpenMP 'align' clause. | ||||
2381 | /// | ||||
2382 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2383 | /// Subclasses may override this routine to provide different behavior. | ||||
2384 | OMPClause *RebuildOMPAlignClause(Expr *A, SourceLocation StartLoc, | ||||
2385 | SourceLocation LParenLoc, | ||||
2386 | SourceLocation EndLoc) { | ||||
2387 | return getSema().ActOnOpenMPAlignClause(A, StartLoc, LParenLoc, EndLoc); | ||||
2388 | } | ||||
2389 | |||||
2390 | /// Build a new OpenMP 'at' clause. | ||||
2391 | /// | ||||
2392 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2393 | /// Subclasses may override this routine to provide different behavior. | ||||
2394 | OMPClause *RebuildOMPAtClause(OpenMPAtClauseKind Kind, SourceLocation KwLoc, | ||||
2395 | SourceLocation StartLoc, | ||||
2396 | SourceLocation LParenLoc, | ||||
2397 | SourceLocation EndLoc) { | ||||
2398 | return getSema().ActOnOpenMPAtClause(Kind, KwLoc, StartLoc, LParenLoc, | ||||
2399 | EndLoc); | ||||
2400 | } | ||||
2401 | |||||
2402 | /// Build a new OpenMP 'severity' clause. | ||||
2403 | /// | ||||
2404 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2405 | /// Subclasses may override this routine to provide different behavior. | ||||
2406 | OMPClause *RebuildOMPSeverityClause(OpenMPSeverityClauseKind Kind, | ||||
2407 | SourceLocation KwLoc, | ||||
2408 | SourceLocation StartLoc, | ||||
2409 | SourceLocation LParenLoc, | ||||
2410 | SourceLocation EndLoc) { | ||||
2411 | return getSema().ActOnOpenMPSeverityClause(Kind, KwLoc, StartLoc, LParenLoc, | ||||
2412 | EndLoc); | ||||
2413 | } | ||||
2414 | |||||
2415 | /// Build a new OpenMP 'message' clause. | ||||
2416 | /// | ||||
2417 | /// By default, performs semantic analysis to build the new OpenMP clause. | ||||
2418 | /// Subclasses may override this routine to provide different behavior. | ||||
2419 | OMPClause *RebuildOMPMessageClause(Expr *MS, SourceLocation StartLoc, | ||||
2420 | SourceLocation LParenLoc, | ||||
2421 | SourceLocation EndLoc) { | ||||
2422 | return getSema().ActOnOpenMPMessageClause(MS, StartLoc, LParenLoc, EndLoc); | ||||
2423 | } | ||||
2424 | |||||
2425 | /// Rebuild the operand to an Objective-C \@synchronized statement. | ||||
2426 | /// | ||||
2427 | /// By default, performs semantic analysis to build the new statement. | ||||
2428 | /// Subclasses may override this routine to provide different behavior. | ||||
2429 | ExprResult RebuildObjCAtSynchronizedOperand(SourceLocation atLoc, | ||||
2430 | Expr *object) { | ||||
2431 | return getSema().ActOnObjCAtSynchronizedOperand(atLoc, object); | ||||
2432 | } | ||||
2433 | |||||
2434 | /// Build a new Objective-C \@synchronized statement. | ||||
2435 | /// | ||||
2436 | /// By default, performs semantic analysis to build the new statement. | ||||
2437 | /// Subclasses may override this routine to provide different behavior. | ||||
2438 | StmtResult RebuildObjCAtSynchronizedStmt(SourceLocation AtLoc, | ||||
2439 | Expr *Object, Stmt *Body) { | ||||
2440 | return getSema().ActOnObjCAtSynchronizedStmt(AtLoc, Object, Body); | ||||
2441 | } | ||||
2442 | |||||
2443 | /// Build a new Objective-C \@autoreleasepool statement. | ||||
2444 | /// | ||||
2445 | /// By default, performs semantic analysis to build the new statement. | ||||
2446 | /// Subclasses may override this routine to provide different behavior. | ||||
2447 | StmtResult RebuildObjCAutoreleasePoolStmt(SourceLocation AtLoc, | ||||
2448 | Stmt *Body) { | ||||
2449 | return getSema().ActOnObjCAutoreleasePoolStmt(AtLoc, Body); | ||||
2450 | } | ||||
2451 | |||||
2452 | /// Build a new Objective-C fast enumeration statement. | ||||
2453 | /// | ||||
2454 | /// By default, performs semantic analysis to build the new statement. | ||||
2455 | /// Subclasses may override this routine to provide different behavior. | ||||
2456 | StmtResult RebuildObjCForCollectionStmt(SourceLocation ForLoc, | ||||
2457 | Stmt *Element, | ||||
2458 | Expr *Collection, | ||||
2459 | SourceLocation RParenLoc, | ||||
2460 | Stmt *Body) { | ||||
2461 | StmtResult ForEachStmt = getSema().ActOnObjCForCollectionStmt(ForLoc, | ||||
2462 | Element, | ||||
2463 | Collection, | ||||
2464 | RParenLoc); | ||||
2465 | if (ForEachStmt.isInvalid()) | ||||
2466 | return StmtError(); | ||||
2467 | |||||
2468 | return getSema().FinishObjCForCollectionStmt(ForEachStmt.get(), Body); | ||||
2469 | } | ||||
2470 | |||||
2471 | /// Build a new C++ exception declaration. | ||||
2472 | /// | ||||
2473 | /// By default, performs semantic analysis to build the new decaration. | ||||
2474 | /// Subclasses may override this routine to provide different behavior. | ||||
2475 | VarDecl *RebuildExceptionDecl(VarDecl *ExceptionDecl, | ||||
2476 | TypeSourceInfo *Declarator, | ||||
2477 | SourceLocation StartLoc, | ||||
2478 | SourceLocation IdLoc, | ||||
2479 | IdentifierInfo *Id) { | ||||
2480 | VarDecl *Var = getSema().BuildExceptionDeclaration(nullptr, Declarator, | ||||
2481 | StartLoc, IdLoc, Id); | ||||
2482 | if (Var) | ||||
2483 | getSema().CurContext->addDecl(Var); | ||||
2484 | return Var; | ||||
2485 | } | ||||
2486 | |||||
2487 | /// Build a new C++ catch statement. | ||||
2488 | /// | ||||
2489 | /// By default, performs semantic analysis to build the new statement. | ||||
2490 | /// Subclasses may override this routine to provide different behavior. | ||||
2491 | StmtResult RebuildCXXCatchStmt(SourceLocation CatchLoc, | ||||
2492 | VarDecl *ExceptionDecl, | ||||
2493 | Stmt *Handler) { | ||||
2494 | return Owned(new (getSema().Context) CXXCatchStmt(CatchLoc, ExceptionDecl, | ||||
2495 | Handler)); | ||||
2496 | } | ||||
2497 | |||||
2498 | /// Build a new C++ try statement. | ||||
2499 | /// | ||||
2500 | /// By default, performs semantic analysis to build the new statement. | ||||
2501 | /// Subclasses may override this routine to provide different behavior. | ||||
2502 | StmtResult RebuildCXXTryStmt(SourceLocation TryLoc, Stmt *TryBlock, | ||||
2503 | ArrayRef<Stmt *> Handlers) { | ||||
2504 | return getSema().ActOnCXXTryBlock(TryLoc, TryBlock, Handlers); | ||||
2505 | } | ||||
2506 | |||||
2507 | /// Build a new C++0x range-based for statement. | ||||
2508 | /// | ||||
2509 | /// By default, performs semantic analysis to build the new statement. | ||||
2510 | /// Subclasses may override this routine to provide different behavior. | ||||
2511 | StmtResult RebuildCXXForRangeStmt(SourceLocation ForLoc, | ||||
2512 | SourceLocation CoawaitLoc, Stmt *Init, | ||||
2513 | SourceLocation ColonLoc, Stmt *Range, | ||||
2514 | Stmt *Begin, Stmt *End, Expr *Cond, | ||||
2515 | Expr *Inc, Stmt *LoopVar, | ||||
2516 | SourceLocation RParenLoc) { | ||||
2517 | // If we've just learned that the range is actually an Objective-C | ||||
2518 | // collection, treat this as an Objective-C fast enumeration loop. | ||||
2519 | if (DeclStmt *RangeStmt = dyn_cast<DeclStmt>(Range)) { | ||||
2520 | if (RangeStmt->isSingleDecl()) { | ||||
2521 | if (VarDecl *RangeVar = dyn_cast<VarDecl>(RangeStmt->getSingleDecl())) { | ||||
2522 | if (RangeVar->isInvalidDecl()) | ||||
2523 | return StmtError(); | ||||
2524 | |||||
2525 | Expr *RangeExpr = RangeVar->getInit(); | ||||
2526 | if (!RangeExpr->isTypeDependent() && | ||||
2527 | RangeExpr->getType()->isObjCObjectPointerType()) { | ||||
2528 | // FIXME: Support init-statements in Objective-C++20 ranged for | ||||
2529 | // statement. | ||||
2530 | if (Init) { | ||||
2531 | return SemaRef.Diag(Init->getBeginLoc(), | ||||
2532 | diag::err_objc_for_range_init_stmt) | ||||
2533 | << Init->getSourceRange(); | ||||
2534 | } | ||||
2535 | return getSema().ActOnObjCForCollectionStmt(ForLoc, LoopVar, | ||||
2536 | RangeExpr, RParenLoc); | ||||
2537 | } | ||||
2538 | } | ||||
2539 | } | ||||
2540 | } | ||||
2541 | |||||
2542 | return getSema().BuildCXXForRangeStmt(ForLoc, CoawaitLoc, Init, ColonLoc, | ||||
2543 | Range, Begin, End, Cond, Inc, LoopVar, | ||||
2544 | RParenLoc, Sema::BFRK_Rebuild); | ||||
2545 | } | ||||
2546 | |||||
2547 | /// Build a new C++0x range-based for statement. | ||||
2548 | /// | ||||
2549 | /// By default, performs semantic analysis to build the new statement. | ||||
2550 | /// Subclasses may override this routine to provide different behavior. | ||||
2551 | StmtResult RebuildMSDependentExistsStmt(SourceLocation KeywordLoc, | ||||
2552 | bool IsIfExists, | ||||
2553 | NestedNameSpecifierLoc QualifierLoc, | ||||
2554 | DeclarationNameInfo NameInfo, | ||||
2555 | Stmt *Nested) { | ||||
2556 | return getSema().BuildMSDependentExistsStmt(KeywordLoc, IsIfExists, | ||||
2557 | QualifierLoc, NameInfo, Nested); | ||||
2558 | } | ||||
2559 | |||||
2560 | /// Attach body to a C++0x range-based for statement. | ||||
2561 | /// | ||||
2562 | /// By default, performs semantic analysis to finish the new statement. | ||||
2563 | /// Subclasses may override this routine to provide different behavior. | ||||
2564 | StmtResult FinishCXXForRangeStmt(Stmt *ForRange, Stmt *Body) { | ||||
2565 | return getSema().FinishCXXForRangeStmt(ForRange, Body); | ||||
2566 | } | ||||
2567 | |||||
2568 | StmtResult RebuildSEHTryStmt(bool IsCXXTry, SourceLocation TryLoc, | ||||
2569 | Stmt *TryBlock, Stmt *Handler) { | ||||
2570 | return getSema().ActOnSEHTryBlock(IsCXXTry, TryLoc, TryBlock, Handler); | ||||
2571 | } | ||||
2572 | |||||
2573 | StmtResult RebuildSEHExceptStmt(SourceLocation Loc, Expr *FilterExpr, | ||||
2574 | Stmt *Block) { | ||||
2575 | return getSema().ActOnSEHExceptBlock(Loc, FilterExpr, Block); | ||||
2576 | } | ||||
2577 | |||||
2578 | StmtResult RebuildSEHFinallyStmt(SourceLocation Loc, Stmt *Block) { | ||||
2579 | return SEHFinallyStmt::Create(getSema().getASTContext(), Loc, Block); | ||||
2580 | } | ||||
2581 | |||||
2582 | ExprResult RebuildSYCLUniqueStableNameExpr(SourceLocation OpLoc, | ||||
2583 | SourceLocation LParen, | ||||
2584 | SourceLocation RParen, | ||||
2585 | TypeSourceInfo *TSI) { | ||||
2586 | return getSema().BuildSYCLUniqueStableNameExpr(OpLoc, LParen, RParen, TSI); | ||||
2587 | } | ||||
2588 | |||||
2589 | /// Build a new predefined expression. | ||||
2590 | /// | ||||
2591 | /// By default, performs semantic analysis to build the new expression. | ||||
2592 | /// Subclasses may override this routine to provide different behavior. | ||||
2593 | ExprResult RebuildPredefinedExpr(SourceLocation Loc, | ||||
2594 | PredefinedExpr::IdentKind IK) { | ||||
2595 | return getSema().BuildPredefinedExpr(Loc, IK); | ||||
2596 | } | ||||
2597 | |||||
2598 | /// Build a new expression that references a declaration. | ||||
2599 | /// | ||||
2600 | /// By default, performs semantic analysis to build the new expression. | ||||
2601 | /// Subclasses may override this routine to provide different behavior. | ||||
2602 | ExprResult RebuildDeclarationNameExpr(const CXXScopeSpec &SS, | ||||
2603 | LookupResult &R, | ||||
2604 | bool RequiresADL) { | ||||
2605 | return getSema().BuildDeclarationNameExpr(SS, R, RequiresADL); | ||||
2606 | } | ||||
2607 | |||||
2608 | |||||
2609 | /// Build a new expression that references a declaration. | ||||
2610 | /// | ||||
2611 | /// By default, performs semantic analysis to build the new expression. | ||||
2612 | /// Subclasses may override this routine to provide different behavior. | ||||
2613 | ExprResult RebuildDeclRefExpr(NestedNameSpecifierLoc QualifierLoc, | ||||
2614 | ValueDecl *VD, | ||||
2615 | const DeclarationNameInfo &NameInfo, | ||||
2616 | NamedDecl *Found, | ||||
2617 | TemplateArgumentListInfo *TemplateArgs) { | ||||
2618 | CXXScopeSpec SS; | ||||
2619 | SS.Adopt(QualifierLoc); | ||||
2620 | return getSema().BuildDeclarationNameExpr(SS, NameInfo, VD, Found, | ||||
2621 | TemplateArgs); | ||||
2622 | } | ||||
2623 | |||||
2624 | /// Build a new expression in parentheses. | ||||
2625 | /// | ||||
2626 | /// By default, performs semantic analysis to build the new expression. | ||||
2627 | /// Subclasses may override this routine to provide different behavior. | ||||
2628 | ExprResult RebuildParenExpr(Expr *SubExpr, SourceLocation LParen, | ||||
2629 | SourceLocation RParen) { | ||||
2630 | return getSema().ActOnParenExpr(LParen, RParen, SubExpr); | ||||
2631 | } | ||||
2632 | |||||
2633 | /// Build a new pseudo-destructor expression. | ||||
2634 | /// | ||||
2635 | /// By default, performs semantic analysis to build the new expression. | ||||
2636 | /// Subclasses may override this routine to provide different behavior. | ||||
2637 | ExprResult RebuildCXXPseudoDestructorExpr(Expr *Base, | ||||
2638 | SourceLocation OperatorLoc, | ||||
2639 | bool isArrow, | ||||
2640 | CXXScopeSpec &SS, | ||||
2641 | TypeSourceInfo *ScopeType, | ||||
2642 | SourceLocation CCLoc, | ||||
2643 | SourceLocation TildeLoc, | ||||
2644 | PseudoDestructorTypeStorage Destroyed); | ||||
2645 | |||||
2646 | /// Build a new unary operator expression. | ||||
2647 | /// | ||||
2648 | /// By default, performs semantic analysis to build the new expression. | ||||
2649 | /// Subclasses may override this routine to provide different behavior. | ||||
2650 | ExprResult RebuildUnaryOperator(SourceLocation OpLoc, | ||||
2651 | UnaryOperatorKind Opc, | ||||
2652 | Expr *SubExpr) { | ||||
2653 | return getSema().BuildUnaryOp(/*Scope=*/nullptr, OpLoc, Opc, SubExpr); | ||||
2654 | } | ||||
2655 | |||||
2656 | /// Build a new builtin offsetof expression. | ||||
2657 | /// | ||||
2658 | /// By default, performs semantic analysis to build the new expression. | ||||
2659 | /// Subclasses may override this routine to provide different behavior. | ||||
2660 | ExprResult RebuildOffsetOfExpr(SourceLocation OperatorLoc, | ||||
2661 | TypeSourceInfo *Type, | ||||
2662 | ArrayRef<Sema::OffsetOfComponent> Components, | ||||
2663 | SourceLocation RParenLoc) { | ||||
2664 | return getSema().BuildBuiltinOffsetOf(OperatorLoc, Type, Components, | ||||
2665 | RParenLoc); | ||||
2666 | } | ||||
2667 | |||||
2668 | /// Build a new sizeof, alignof or vec_step expression with a | ||||
2669 | /// type argument. | ||||
2670 | /// | ||||
2671 | /// By default, performs semantic analysis to build the new expression. | ||||
2672 | /// Subclasses may override this routine to provide different behavior. | ||||
2673 | ExprResult RebuildUnaryExprOrTypeTrait(TypeSourceInfo *TInfo, | ||||
2674 | SourceLocation OpLoc, | ||||
2675 | UnaryExprOrTypeTrait ExprKind, | ||||
2676 | SourceRange R) { | ||||
2677 | return getSema().CreateUnaryExprOrTypeTraitExpr(TInfo, OpLoc, ExprKind, R); | ||||
2678 | } | ||||
2679 | |||||
2680 | /// Build a new sizeof, alignof or vec step expression with an | ||||
2681 | /// expression argument. | ||||
2682 | /// | ||||
2683 | /// By default, performs semantic analysis to build the new expression. | ||||
2684 | /// Subclasses may override this routine to provide different behavior. | ||||
2685 | ExprResult RebuildUnaryExprOrTypeTrait(Expr *SubExpr, SourceLocation OpLoc, | ||||
2686 | UnaryExprOrTypeTrait ExprKind, | ||||
2687 | SourceRange R) { | ||||
2688 | ExprResult Result | ||||
2689 | = getSema().CreateUnaryExprOrTypeTraitExpr(SubExpr, OpLoc, ExprKind); | ||||
2690 | if (Result.isInvalid()) | ||||
2691 | return ExprError(); | ||||
2692 | |||||
2693 | return Result; | ||||
2694 | } | ||||
2695 | |||||
2696 | /// Build a new array subscript expression. | ||||
2697 | /// | ||||
2698 | /// By default, performs semantic analysis to build the new expression. | ||||
2699 | /// Subclasses may override this routine to provide different behavior. | ||||
2700 | ExprResult RebuildArraySubscriptExpr(Expr *LHS, | ||||
2701 | SourceLocation LBracketLoc, | ||||
2702 | Expr *RHS, | ||||
2703 | SourceLocation RBracketLoc) { | ||||
2704 | return getSema().ActOnArraySubscriptExpr(/*Scope=*/nullptr, LHS, | ||||
2705 | LBracketLoc, RHS, | ||||
2706 | RBracketLoc); | ||||
2707 | } | ||||
2708 | |||||
2709 | /// Build a new matrix subscript expression. | ||||
2710 | /// | ||||
2711 | /// By default, performs semantic analysis to build the new expression. | ||||
2712 | /// Subclasses may override this routine to provide different behavior. | ||||
2713 | ExprResult RebuildMatrixSubscriptExpr(Expr *Base, Expr *RowIdx, | ||||
2714 | Expr *ColumnIdx, | ||||
2715 | SourceLocation RBracketLoc) { | ||||
2716 | return getSema().CreateBuiltinMatrixSubscriptExpr(Base, RowIdx, ColumnIdx, | ||||
2717 | RBracketLoc); | ||||
2718 | } | ||||
2719 | |||||
2720 | /// Build a new array section expression. | ||||
2721 | /// | ||||
2722 | /// By default, performs semantic analysis to build the new expression. | ||||
2723 | /// Subclasses may override this routine to provide different behavior. | ||||
2724 | ExprResult RebuildOMPArraySectionExpr(Expr *Base, SourceLocation LBracketLoc, | ||||
2725 | Expr *LowerBound, | ||||
2726 | SourceLocation ColonLocFirst, | ||||
2727 | SourceLocation ColonLocSecond, | ||||
2728 | Expr *Length, Expr *Stride, | ||||
2729 | SourceLocation RBracketLoc) { | ||||
2730 | return getSema().ActOnOMPArraySectionExpr(Base, LBracketLoc, LowerBound, | ||||
2731 | ColonLocFirst, ColonLocSecond, | ||||
2732 | Length, Stride, RBracketLoc); | ||||
2733 | } | ||||
2734 | |||||
2735 | /// Build a new array shaping expression. | ||||
2736 | /// | ||||
2737 | /// By default, performs semantic analysis to build the new expression. | ||||
2738 | /// Subclasses may override this routine to provide different behavior. | ||||
2739 | ExprResult RebuildOMPArrayShapingExpr(Expr *Base, SourceLocation LParenLoc, | ||||
2740 | SourceLocation RParenLoc, | ||||
2741 | ArrayRef<Expr *> Dims, | ||||
2742 | ArrayRef<SourceRange> BracketsRanges) { | ||||
2743 | return getSema().ActOnOMPArrayShapingExpr(Base, LParenLoc, RParenLoc, Dims, | ||||
2744 | BracketsRanges); | ||||
2745 | } | ||||
2746 | |||||
2747 | /// Build a new iterator expression. | ||||
2748 | /// | ||||
2749 | /// By default, performs semantic analysis to build the new expression. | ||||
2750 | /// Subclasses may override this routine to provide different behavior. | ||||
2751 | ExprResult RebuildOMPIteratorExpr( | ||||
2752 | SourceLocation IteratorKwLoc, SourceLocation LLoc, SourceLocation RLoc, | ||||
2753 | ArrayRef<Sema::OMPIteratorData> Data) { | ||||
2754 | return getSema().ActOnOMPIteratorExpr(/*Scope=*/nullptr, IteratorKwLoc, | ||||
2755 | LLoc, RLoc, Data); | ||||
2756 | } | ||||
2757 | |||||
2758 | /// Build a new call expression. | ||||
2759 | /// | ||||
2760 | /// By default, performs semantic analysis to build the new expression. | ||||
2761 | /// Subclasses may override this routine to provide different behavior. | ||||
2762 | ExprResult RebuildCallExpr(Expr *Callee, SourceLocation LParenLoc, | ||||
2763 | MultiExprArg Args, | ||||
2764 | SourceLocation RParenLoc, | ||||
2765 | Expr *ExecConfig = nullptr) { | ||||
2766 | return getSema().ActOnCallExpr( | ||||
2767 | /*Scope=*/nullptr, Callee, LParenLoc, Args, RParenLoc, ExecConfig); | ||||
2768 | } | ||||
2769 | |||||
2770 | ExprResult RebuildCxxSubscriptExpr(Expr *Callee, SourceLocation LParenLoc, | ||||
2771 | MultiExprArg Args, | ||||
2772 | SourceLocation RParenLoc) { | ||||
2773 | return getSema().ActOnArraySubscriptExpr( | ||||
2774 | /*Scope=*/nullptr, Callee, LParenLoc, Args, RParenLoc); | ||||
2775 | } | ||||
2776 | |||||
2777 | /// Build a new member access expression. | ||||
2778 | /// | ||||
2779 | /// By default, performs semantic analysis to build the new expression. | ||||
2780 | /// Subclasses may override this routine to provide different behavior. | ||||
2781 | ExprResult RebuildMemberExpr(Expr *Base, SourceLocation OpLoc, | ||||
2782 | bool isArrow, | ||||
2783 | NestedNameSpecifierLoc QualifierLoc, | ||||
2784 | SourceLocation TemplateKWLoc, | ||||
2785 | const DeclarationNameInfo &MemberNameInfo, | ||||
2786 | ValueDecl *Member, | ||||
2787 | NamedDecl *FoundDecl, | ||||
2788 | const TemplateArgumentListInfo *ExplicitTemplateArgs, | ||||
2789 | NamedDecl *FirstQualifierInScope) { | ||||
2790 | ExprResult BaseResult = getSema().PerformMemberExprBaseConversion(Base, | ||||
2791 | isArrow); | ||||
2792 | if (!Member->getDeclName()) { | ||||
2793 | // We have a reference to an unnamed field. This is always the | ||||
2794 | // base of an anonymous struct/union member access, i.e. the | ||||
2795 | // field is always of record type. | ||||
2796 | assert(Member->getType()->isRecordType() &&(static_cast <bool> (Member->getType()->isRecordType () && "unnamed member not of record type?") ? void (0 ) : __assert_fail ("Member->getType()->isRecordType() && \"unnamed member not of record type?\"" , "clang/lib/Sema/TreeTransform.h", 2797, __extension__ __PRETTY_FUNCTION__ )) | ||||
2797 | "unnamed member not of record type?")(static_cast <bool> (Member->getType()->isRecordType () && "unnamed member not of record type?") ? void (0 ) : __assert_fail ("Member->getType()->isRecordType() && \"unnamed member not of record type?\"" , "clang/lib/Sema/TreeTransform.h", 2797, __extension__ __PRETTY_FUNCTION__ )); | ||||
2798 | |||||
2799 | BaseResult = | ||||
2800 | getSema().PerformObjectMemberConversion(BaseResult.get(), | ||||
2801 | QualifierLoc.getNestedNameSpecifier(), | ||||
2802 | FoundDecl, Member); | ||||
2803 | if (BaseResult.isInvalid()) | ||||
2804 | return ExprError(); | ||||
2805 | Base = BaseResult.get(); | ||||
2806 | |||||
2807 | CXXScopeSpec EmptySS; | ||||
2808 | return getSema().BuildFieldReferenceExpr( | ||||
2809 | Base, isArrow, OpLoc, EmptySS, cast<FieldDecl>(Member), | ||||
2810 | DeclAccessPair::make(FoundDecl, FoundDecl->getAccess()), MemberNameInfo); | ||||
2811 | } | ||||
2812 | |||||
2813 | CXXScopeSpec SS; | ||||
2814 | SS.Adopt(QualifierLoc); | ||||
2815 | |||||
2816 | Base = BaseResult.get(); | ||||
2817 | QualType BaseType = Base->getType(); | ||||
2818 | |||||
2819 | if (isArrow && !BaseType->isPointerType()) | ||||
2820 | return ExprError(); | ||||
2821 | |||||
2822 | // FIXME: this involves duplicating earlier analysis in a lot of | ||||
2823 | // cases; we should avoid this when possible. | ||||
2824 | LookupResult R(getSema(), MemberNameInfo, Sema::LookupMemberName); | ||||
2825 | R.addDecl(FoundDecl); | ||||
2826 | R.resolveKind(); | ||||
2827 | |||||
2828 | if (getSema().isUnevaluatedContext() && Base->isImplicitCXXThis() && | ||||
2829 | isa<FieldDecl, IndirectFieldDecl, MSPropertyDecl>(Member)) { | ||||
2830 | if (auto *ThisClass = cast<CXXThisExpr>(Base) | ||||
2831 | ->getType() | ||||
2832 | ->getPointeeType() | ||||
2833 | ->getAsCXXRecordDecl()) { | ||||
2834 | auto *Class = cast<CXXRecordDecl>(Member->getDeclContext()); | ||||
2835 | // In unevaluated contexts, an expression supposed to be a member access | ||||
2836 | // might reference a member in an unrelated class. | ||||
2837 | if (!ThisClass->Equals(Class) && !ThisClass->isDerivedFrom(Class)) | ||||
2838 | return getSema().BuildDeclRefExpr(Member, Member->getType(), | ||||
2839 | VK_LValue, Member->getLocation()); | ||||
2840 | } | ||||
2841 | } | ||||
2842 | |||||
2843 | return getSema().BuildMemberReferenceExpr(Base, BaseType, OpLoc, isArrow, | ||||
2844 | SS, TemplateKWLoc, | ||||
2845 | FirstQualifierInScope, | ||||
2846 | R, ExplicitTemplateArgs, | ||||
2847 | /*S*/nullptr); | ||||
2848 | } | ||||
2849 | |||||
2850 | /// Build a new binary operator expression. | ||||
2851 | /// | ||||
2852 | /// By default, performs semantic analysis to build the new expression. | ||||
2853 | /// Subclasses may override this routine to provide different behavior. | ||||
2854 | ExprResult RebuildBinaryOperator(SourceLocation OpLoc, | ||||
2855 | BinaryOperatorKind Opc, | ||||
2856 | Expr *LHS, Expr *RHS) { | ||||
2857 | return getSema().BuildBinOp(/*Scope=*/nullptr, OpLoc, Opc, LHS, RHS); | ||||
2858 | } | ||||
2859 | |||||
2860 | /// Build a new rewritten operator expression. | ||||
2861 | /// | ||||
2862 | /// By default, performs semantic analysis to build the new expression. | ||||
2863 | /// Subclasses may override this routine to provide different behavior. | ||||
2864 | ExprResult RebuildCXXRewrittenBinaryOperator( | ||||
2865 | SourceLocation OpLoc, BinaryOperatorKind Opcode, | ||||
2866 | const UnresolvedSetImpl &UnqualLookups, Expr *LHS, Expr *RHS) { | ||||
2867 | return getSema().CreateOverloadedBinOp(OpLoc, Opcode, UnqualLookups, LHS, | ||||
2868 | RHS, /*RequiresADL*/false); | ||||
2869 | } | ||||
2870 | |||||
2871 | /// Build a new conditional operator expression. | ||||
2872 | /// | ||||
2873 | /// By default, performs semantic analysis to build the new expression. | ||||
2874 | /// Subclasses may override this routine to provide different behavior. | ||||
2875 | ExprResult RebuildConditionalOperator(Expr *Cond, | ||||
2876 | SourceLocation QuestionLoc, | ||||
2877 | Expr *LHS, | ||||
2878 | SourceLocation ColonLoc, | ||||
2879 | Expr *RHS) { | ||||
2880 | return getSema().ActOnConditionalOp(QuestionLoc, ColonLoc, Cond, | ||||
2881 | LHS, RHS); | ||||
2882 | } | ||||
2883 | |||||
2884 | /// Build a new C-style cast expression. | ||||
2885 | /// | ||||
2886 | /// By default, performs semantic analysis to build the new expression. | ||||
2887 | /// Subclasses may override this routine to provide different behavior. | ||||
2888 | ExprResult RebuildCStyleCastExpr(SourceLocation LParenLoc, | ||||
2889 | TypeSourceInfo *TInfo, | ||||
2890 | SourceLocation RParenLoc, | ||||
2891 | Expr *SubExpr) { | ||||
2892 | return getSema().BuildCStyleCastExpr(LParenLoc, TInfo, RParenLoc, | ||||
2893 | SubExpr); | ||||
2894 | } | ||||
2895 | |||||
2896 | /// Build a new compound literal expression. | ||||
2897 | /// | ||||
2898 | /// By default, performs semantic analysis to build the new expression. | ||||
2899 | /// Subclasses may override this routine to provide different behavior. | ||||
2900 | ExprResult RebuildCompoundLiteralExpr(SourceLocation LParenLoc, | ||||
2901 | TypeSourceInfo *TInfo, | ||||
2902 | SourceLocation RParenLoc, | ||||
2903 | Expr *Init) { | ||||
2904 | return getSema().BuildCompoundLiteralExpr(LParenLoc, TInfo, RParenLoc, | ||||
2905 | Init); | ||||
2906 | } | ||||
2907 | |||||
2908 | /// Build a new extended vector element access expression. | ||||
2909 | /// | ||||
2910 | /// By default, performs semantic analysis to build the new expression. | ||||
2911 | /// Subclasses may override this routine to provide different behavior. | ||||
2912 | ExprResult RebuildExtVectorElementExpr(Expr *Base, SourceLocation OpLoc, | ||||
2913 | bool IsArrow, | ||||
2914 | SourceLocation AccessorLoc, | ||||
2915 | IdentifierInfo &Accessor) { | ||||
2916 | |||||
2917 | CXXScopeSpec SS; | ||||
2918 | DeclarationNameInfo NameInfo(&Accessor, AccessorLoc); | ||||
2919 | return getSema().BuildMemberReferenceExpr( | ||||
2920 | Base, Base->getType(), OpLoc, IsArrow, SS, SourceLocation(), | ||||
2921 | /*FirstQualifierInScope*/ nullptr, NameInfo, | ||||
2922 | /* TemplateArgs */ nullptr, | ||||
2923 | /*S*/ nullptr); | ||||
2924 | } | ||||
2925 | |||||
2926 | /// Build a new initializer list expression. | ||||
2927 | /// | ||||
2928 | /// By default, performs semantic analysis to build the new expression. | ||||
2929 | /// Subclasses may override this routine to provide different behavior. | ||||
2930 | ExprResult RebuildInitList(SourceLocation LBraceLoc, | ||||
2931 | MultiExprArg Inits, | ||||
2932 | SourceLocation RBraceLoc) { | ||||
2933 | return SemaRef.BuildInitList(LBraceLoc, Inits, RBraceLoc); | ||||
2934 | } | ||||
2935 | |||||
2936 | /// Build a new designated initializer expression. | ||||
2937 | /// | ||||
2938 | /// By default, performs semantic analysis to build the new expression. | ||||
2939 | /// Subclasses may override this routine to provide different behavior. | ||||
2940 | ExprResult RebuildDesignatedInitExpr(Designation &Desig, | ||||
2941 | MultiExprArg ArrayExprs, | ||||
2942 | SourceLocation EqualOrColonLoc, | ||||
2943 | bool GNUSyntax, | ||||
2944 | Expr *Init) { | ||||
2945 | ExprResult Result | ||||
2946 | = SemaRef.ActOnDesignatedInitializer(Desig, EqualOrColonLoc, GNUSyntax, | ||||
2947 | Init); | ||||
2948 | if (Result.isInvalid()) | ||||
2949 | return ExprError(); | ||||
2950 | |||||
2951 | return Result; | ||||
2952 | } | ||||
2953 | |||||
2954 | /// Build a new value-initialized expression. | ||||
2955 | /// | ||||
2956 | /// By default, builds the implicit value initialization without performing | ||||
2957 | /// any semantic analysis. Subclasses may override this routine to provide | ||||
2958 | /// different behavior. | ||||
2959 | ExprResult RebuildImplicitValueInitExpr(QualType T) { | ||||
2960 | return new (SemaRef.Context) ImplicitValueInitExpr(T); | ||||
2961 | } | ||||
2962 | |||||
2963 | /// Build a new \c va_arg expression. | ||||
2964 | /// | ||||
2965 | /// By default, performs semantic analysis to build the new expression. | ||||
2966 | /// Subclasses may override this routine to provide different behavior. | ||||
2967 | ExprResult RebuildVAArgExpr(SourceLocation BuiltinLoc, | ||||
2968 | Expr *SubExpr, TypeSourceInfo *TInfo, | ||||
2969 | SourceLocation RParenLoc) { | ||||
2970 | return getSema().BuildVAArgExpr(BuiltinLoc, | ||||
2971 | SubExpr, TInfo, | ||||
2972 | RParenLoc); | ||||
2973 | } | ||||
2974 | |||||
2975 | /// Build a new expression list in parentheses. | ||||
2976 | /// | ||||
2977 | /// By default, performs semantic analysis to build the new expression. | ||||
2978 | /// Subclasses may override this routine to provide different behavior. | ||||
2979 | ExprResult RebuildParenListExpr(SourceLocation LParenLoc, | ||||
2980 | MultiExprArg SubExprs, | ||||
2981 | SourceLocation RParenLoc) { | ||||
2982 | return getSema().ActOnParenListExpr(LParenLoc, RParenLoc, SubExprs); | ||||
2983 | } | ||||
2984 | |||||
2985 | /// Build a new address-of-label expression. | ||||
2986 | /// | ||||
2987 | /// By default, performs semantic analysis, using the name of the label | ||||
2988 | /// rather than attempting to map the label statement itself. | ||||
2989 | /// Subclasses may override this routine to provide different behavior. | ||||
2990 | ExprResult RebuildAddrLabelExpr(SourceLocation AmpAmpLoc, | ||||
2991 | SourceLocation LabelLoc, LabelDecl *Label) { | ||||
2992 | return getSema().ActOnAddrLabel(AmpAmpLoc, LabelLoc, Label); | ||||
2993 | } | ||||
2994 | |||||
2995 | /// Build a new GNU statement expression. | ||||
2996 | /// | ||||
2997 | /// By default, performs semantic analysis to build the new expression. | ||||
2998 | /// Subclasses may override this routine to provide different behavior. | ||||
2999 | ExprResult RebuildStmtExpr(SourceLocation LParenLoc, Stmt *SubStmt, | ||||
3000 | SourceLocation RParenLoc, unsigned TemplateDepth) { | ||||
3001 | return getSema().BuildStmtExpr(LParenLoc, SubStmt, RParenLoc, | ||||
3002 | TemplateDepth); | ||||
3003 | } | ||||
3004 | |||||
3005 | /// Build a new __builtin_choose_expr expression. | ||||
3006 | /// | ||||
3007 | /// By default, performs semantic analysis to build the new expression. | ||||
3008 | /// Subclasses may override this routine to provide different behavior. | ||||
3009 | ExprResult RebuildChooseExpr(SourceLocation BuiltinLoc, | ||||
3010 | Expr *Cond, Expr *LHS, Expr *RHS, | ||||
3011 | SourceLocation RParenLoc) { | ||||
3012 | return SemaRef.ActOnChooseExpr(BuiltinLoc, | ||||
3013 | Cond, LHS, RHS, | ||||
3014 | RParenLoc); | ||||
3015 | } | ||||
3016 | |||||
3017 | /// Build a new generic selection expression. | ||||
3018 | /// | ||||
3019 | /// By default, performs semantic analysis to build the new expression. | ||||
3020 | /// Subclasses may override this routine to provide different behavior. | ||||
3021 | ExprResult RebuildGenericSelectionExpr(SourceLocation KeyLoc, | ||||
3022 | SourceLocation DefaultLoc, | ||||
3023 | SourceLocation RParenLoc, | ||||
3024 | Expr *ControllingExpr, | ||||
3025 | ArrayRef<TypeSourceInfo *> Types, | ||||
3026 | ArrayRef<Expr *> Exprs) { | ||||
3027 | return getSema().CreateGenericSelectionExpr(KeyLoc, DefaultLoc, RParenLoc, | ||||
3028 | ControllingExpr, Types, Exprs); | ||||
3029 | } | ||||
3030 | |||||
3031 | /// Build a new overloaded operator call expression. | ||||
3032 | /// | ||||
3033 | /// By default, performs semantic analysis to build the new expression. | ||||
3034 | /// The semantic analysis provides the behavior of template instantiation, | ||||
3035 | /// copying with transformations that turn what looks like an overloaded | ||||
3036 | /// operator call into a use of a builtin operator, performing | ||||
3037 | /// argument-dependent lookup, etc. Subclasses may override this routine to | ||||
3038 | /// provide different behavior. | ||||
3039 | ExprResult RebuildCXXOperatorCallExpr(OverloadedOperatorKind Op, | ||||
3040 | SourceLocation OpLoc, | ||||
3041 | Expr *Callee, | ||||
3042 | Expr *First, | ||||
3043 | Expr *Second); | ||||
3044 | |||||
3045 | /// Build a new C++ "named" cast expression, such as static_cast or | ||||
3046 | /// reinterpret_cast. | ||||
3047 | /// | ||||
3048 | /// By default, this routine dispatches to one of the more-specific routines | ||||
3049 | /// for a particular named case, e.g., RebuildCXXStaticCastExpr(). | ||||
3050 | /// Subclasses may override this routine to provide different behavior. | ||||
3051 | ExprResult RebuildCXXNamedCastExpr(SourceLocation OpLoc, | ||||
3052 | Stmt::StmtClass Class, | ||||
3053 | SourceLocation LAngleLoc, | ||||
3054 | TypeSourceInfo *TInfo, | ||||
3055 | SourceLocation RAngleLoc, | ||||
3056 | SourceLocation LParenLoc, | ||||
3057 | Expr *SubExpr, | ||||
3058 | SourceLocation RParenLoc) { | ||||
3059 | switch (Class) { | ||||
3060 | case Stmt::CXXStaticCastExprClass: | ||||
3061 | return getDerived().RebuildCXXStaticCastExpr(OpLoc, LAngleLoc, TInfo, | ||||
3062 | RAngleLoc, LParenLoc, | ||||
3063 | SubExpr, RParenLoc); | ||||
3064 | |||||
3065 | case Stmt::CXXDynamicCastExprClass: | ||||
3066 | return getDerived().RebuildCXXDynamicCastExpr(OpLoc, LAngleLoc, TInfo, | ||||
3067 | RAngleLoc, LParenLoc, | ||||
3068 | SubExpr, RParenLoc); | ||||
3069 | |||||
3070 | case Stmt::CXXReinterpretCastExprClass: | ||||
3071 | return getDerived().RebuildCXXReinterpretCastExpr(OpLoc, LAngleLoc, TInfo, | ||||
3072 | RAngleLoc, LParenLoc, | ||||
3073 | SubExpr, | ||||
3074 | RParenLoc); | ||||
3075 | |||||
3076 | case Stmt::CXXConstCastExprClass: | ||||
3077 | return getDerived().RebuildCXXConstCastExpr(OpLoc, LAngleLoc, TInfo, | ||||
3078 | RAngleLoc, LParenLoc, | ||||
3079 | SubExpr, RParenLoc); | ||||
3080 | |||||
3081 | case Stmt::CXXAddrspaceCastExprClass: | ||||
3082 | return getDerived().RebuildCXXAddrspaceCastExpr( | ||||
3083 | OpLoc, LAngleLoc, TInfo, RAngleLoc, LParenLoc, SubExpr, RParenLoc); | ||||
3084 | |||||
3085 | default: | ||||
3086 | llvm_unreachable("Invalid C++ named cast")::llvm::llvm_unreachable_internal("Invalid C++ named cast", "clang/lib/Sema/TreeTransform.h" , 3086); | ||||
3087 | } | ||||
3088 | } | ||||
3089 | |||||
3090 | /// Build a new C++ static_cast expression. | ||||
3091 | /// | ||||
3092 | /// By default, performs semantic analysis to build the new expression. | ||||
3093 | /// Subclasses may override this routine to provide different behavior. | ||||
3094 | ExprResult RebuildCXXStaticCastExpr(SourceLocation OpLoc, | ||||
3095 | SourceLocation LAngleLoc, | ||||
3096 | TypeSourceInfo *TInfo, | ||||
3097 | SourceLocation RAngleLoc, | ||||
3098 | SourceLocation LParenLoc, | ||||
3099 | Expr *SubExpr, | ||||
3100 | SourceLocation RParenLoc) { | ||||
3101 | return getSema().BuildCXXNamedCast(OpLoc, tok::kw_static_cast, | ||||
3102 | TInfo, SubExpr, | ||||
3103 | SourceRange(LAngleLoc, RAngleLoc), | ||||
3104 | SourceRange(LParenLoc, RParenLoc)); | ||||
3105 | } | ||||
3106 | |||||
3107 | /// Build a new C++ dynamic_cast expression. | ||||
3108 | /// | ||||
3109 | /// By default, performs semantic analysis to build the new expression. | ||||
3110 | /// Subclasses may override this routine to provide different behavior. | ||||
3111 | ExprResult RebuildCXXDynamicCastExpr(SourceLocation OpLoc, | ||||
3112 | SourceLocation LAngleLoc, | ||||
3113 | TypeSourceInfo *TInfo, | ||||
3114 | SourceLocation RAngleLoc, | ||||
3115 | SourceLocation LParenLoc, | ||||
3116 | Expr *SubExpr, | ||||
3117 | SourceLocation RParenLoc) { | ||||
3118 | return getSema().BuildCXXNamedCast(OpLoc, tok::kw_dynamic_cast, | ||||
3119 | TInfo, SubExpr, | ||||
3120 | SourceRange(LAngleLoc, RAngleLoc), | ||||
3121 | SourceRange(LParenLoc, RParenLoc)); | ||||
3122 | } | ||||
3123 | |||||
3124 | /// Build a new C++ reinterpret_cast expression. | ||||
3125 | /// | ||||
3126 | /// By default, performs semantic analysis to build the new expression. | ||||
3127 | /// Subclasses may override this routine to provide different behavior. | ||||
3128 | ExprResult RebuildCXXReinterpretCastExpr(SourceLocation OpLoc, | ||||
3129 | SourceLocation LAngleLoc, | ||||
3130 | TypeSourceInfo *TInfo, | ||||
3131 | SourceLocation RAngleLoc, | ||||
3132 | SourceLocation LParenLoc, | ||||
3133 | Expr *SubExpr, | ||||
3134 | SourceLocation RParenLoc) { | ||||
3135 | return getSema().BuildCXXNamedCast(OpLoc, tok::kw_reinterpret_cast, | ||||
3136 | TInfo, SubExpr, | ||||
3137 | SourceRange(LAngleLoc, RAngleLoc), | ||||
3138 | SourceRange(LParenLoc, RParenLoc)); | ||||
3139 | } | ||||
3140 | |||||
3141 | /// Build a new C++ const_cast expression. | ||||
3142 | /// | ||||
3143 | /// By default, performs semantic analysis to build the new expression. | ||||
3144 | /// Subclasses may override this routine to provide different behavior. | ||||
3145 | ExprResult RebuildCXXConstCastExpr(SourceLocation OpLoc, | ||||
3146 | SourceLocation LAngleLoc, | ||||
3147 | TypeSourceInfo *TInfo, | ||||
3148 | SourceLocation RAngleLoc, | ||||
3149 | SourceLocation LParenLoc, | ||||
3150 | Expr *SubExpr, | ||||
3151 | SourceLocation RParenLoc) { | ||||
3152 | return getSema().BuildCXXNamedCast(OpLoc, tok::kw_const_cast, | ||||
3153 | TInfo, SubExpr, | ||||
3154 | SourceRange(LAngleLoc, RAngleLoc), | ||||
3155 | SourceRange(LParenLoc, RParenLoc)); | ||||
3156 | } | ||||
3157 | |||||
3158 | ExprResult | ||||
3159 | RebuildCXXAddrspaceCastExpr(SourceLocation OpLoc, SourceLocation LAngleLoc, | ||||
3160 | TypeSourceInfo *TInfo, SourceLocation RAngleLoc, | ||||
3161 | SourceLocation LParenLoc, Expr *SubExpr, | ||||
3162 | SourceLocation RParenLoc) { | ||||
3163 | return getSema().BuildCXXNamedCast( | ||||
3164 | OpLoc, tok::kw_addrspace_cast, TInfo, SubExpr, | ||||
3165 | SourceRange(LAngleLoc, RAngleLoc), SourceRange(LParenLoc, RParenLoc)); | ||||
3166 | } | ||||
3167 | |||||
3168 | /// Build a new C++ functional-style cast expression. | ||||
3169 | /// | ||||
3170 | /// By default, performs semantic analysis to build the new expression. | ||||
3171 | /// Subclasses may override this routine to provide different behavior. | ||||
3172 | ExprResult RebuildCXXFunctionalCastExpr(TypeSourceInfo *TInfo, | ||||
3173 | SourceLocation LParenLoc, | ||||
3174 | Expr *Sub, | ||||
3175 | SourceLocation RParenLoc, | ||||
3176 | bool ListInitialization) { | ||||
3177 | // If Sub is a ParenListExpr, then Sub is the syntatic form of a | ||||
3178 | // CXXParenListInitExpr. Pass its expanded arguments so that the | ||||
3179 | // CXXParenListInitExpr can be rebuilt. | ||||
3180 | if (auto *PLE = dyn_cast<ParenListExpr>(Sub)) | ||||
3181 | return getSema().BuildCXXTypeConstructExpr( | ||||
3182 | TInfo, LParenLoc, MultiExprArg(PLE->getExprs(), PLE->getNumExprs()), | ||||
3183 | RParenLoc, ListInitialization); | ||||
3184 | return getSema().BuildCXXTypeConstructExpr(TInfo, LParenLoc, | ||||
3185 | MultiExprArg(&Sub, 1), RParenLoc, | ||||
3186 | ListInitialization); | ||||
3187 | } | ||||
3188 | |||||
3189 | /// Build a new C++ __builtin_bit_cast expression. | ||||
3190 | /// | ||||
3191 | /// By default, performs semantic analysis to build the new expression. | ||||
3192 | /// Subclasses may override this routine to provide different behavior. | ||||
3193 | ExprResult RebuildBuiltinBitCastExpr(SourceLocation KWLoc, | ||||
3194 | TypeSourceInfo *TSI, Expr *Sub, | ||||
3195 | SourceLocation RParenLoc) { | ||||
3196 | return getSema().BuildBuiltinBitCastExpr(KWLoc, TSI, Sub, RParenLoc); | ||||
3197 | } | ||||
3198 | |||||
3199 | /// Build a new C++ typeid(type) expression. | ||||
3200 | /// | ||||
3201 | /// By default, performs semantic analysis to build the new expression. | ||||
3202 | /// Subclasses may override this routine to provide different behavior. | ||||
3203 | ExprResult RebuildCXXTypeidExpr(QualType TypeInfoType, | ||||
3204 | SourceLocation TypeidLoc, | ||||
3205 | TypeSourceInfo *Operand, | ||||
3206 | SourceLocation RParenLoc) { | ||||
3207 | return getSema().BuildCXXTypeId(TypeInfoType, TypeidLoc, Operand, | ||||
3208 | RParenLoc); | ||||
3209 | } | ||||
3210 | |||||
3211 | |||||
3212 | /// Build a new C++ typeid(expr) expression. | ||||
3213 | /// | ||||
3214 | /// By default, performs semantic analysis to build the new expression. | ||||
3215 | /// Subclasses may override this routine to provide different behavior. | ||||
3216 | ExprResult RebuildCXXTypeidExpr(QualType TypeInfoType, | ||||
3217 | SourceLocation TypeidLoc, | ||||
3218 | Expr *Operand, | ||||
3219 | SourceLocation RParenLoc) { | ||||
3220 | return getSema().BuildCXXTypeId(TypeInfoType, TypeidLoc, Operand, | ||||
3221 | RParenLoc); | ||||
3222 | } | ||||
3223 | |||||
3224 | /// Build a new C++ __uuidof(type) expression. | ||||
3225 | /// | ||||
3226 | /// By default, performs semantic analysis to build the new expression. | ||||
3227 | /// Subclasses may override this routine to provide different behavior. | ||||
3228 | ExprResult RebuildCXXUuidofExpr(QualType Type, SourceLocation TypeidLoc, | ||||
3229 | TypeSourceInfo *Operand, | ||||
3230 | SourceLocation RParenLoc) { | ||||
3231 | return getSema().BuildCXXUuidof(Type, TypeidLoc, Operand, RParenLoc); | ||||
3232 | } | ||||
3233 | |||||
3234 | /// Build a new C++ __uuidof(expr) expression. | ||||
3235 | /// | ||||
3236 | /// By default, performs semantic analysis to build the new expression. | ||||
3237 | /// Subclasses may override this routine to provide different behavior. | ||||
3238 | ExprResult RebuildCXXUuidofExpr(QualType Type, SourceLocation TypeidLoc, | ||||
3239 | Expr *Operand, SourceLocation RParenLoc) { | ||||
3240 | return getSema().BuildCXXUuidof(Type, TypeidLoc, Operand, RParenLoc); | ||||
3241 | } | ||||
3242 | |||||
3243 | /// Build a new C++ "this" expression. | ||||
3244 | /// | ||||
3245 | /// By default, builds a new "this" expression without performing any | ||||
3246 | /// semantic analysis. Subclasses may override this routine to provide | ||||
3247 | /// different behavior. | ||||
3248 | ExprResult RebuildCXXThisExpr(SourceLocation ThisLoc, | ||||
3249 | QualType ThisType, | ||||
3250 | bool isImplicit) { | ||||
3251 | return getSema().BuildCXXThisExpr(ThisLoc, ThisType, isImplicit); | ||||
3252 | } | ||||
3253 | |||||
3254 | /// Build a new C++ throw expression. | ||||
3255 | /// | ||||
3256 | /// By default, performs semantic analysis to build the new expression. | ||||
3257 | /// Subclasses may override this routine to provide different behavior. | ||||
3258 | ExprResult RebuildCXXThrowExpr(SourceLocation ThrowLoc, Expr *Sub, | ||||
3259 | bool IsThrownVariableInScope) { | ||||
3260 | return getSema().BuildCXXThrow(ThrowLoc, Sub, IsThrownVariableInScope); | ||||
3261 | } | ||||
3262 | |||||
3263 | /// Build a new C++ default-argument expression. | ||||
3264 | /// | ||||
3265 | /// By default, builds a new default-argument expression, which does not | ||||
3266 | /// require any semantic analysis. Subclasses may override this routine to | ||||
3267 | /// provide different behavior. | ||||
3268 | ExprResult RebuildCXXDefaultArgExpr(SourceLocation Loc, ParmVarDecl *Param, | ||||
3269 | Expr *RewrittenExpr) { | ||||
3270 | return CXXDefaultArgExpr::Create(getSema().Context, Loc, Param, | ||||
3271 | RewrittenExpr, getSema().CurContext); | ||||
3272 | } | ||||
3273 | |||||
3274 | /// Build a new C++11 default-initialization expression. | ||||
3275 | /// | ||||
3276 | /// By default, builds a new default field initialization expression, which | ||||
3277 | /// does not require any semantic analysis. Subclasses may override this | ||||
3278 | /// routine to provide different behavior. | ||||
3279 | ExprResult RebuildCXXDefaultInitExpr(SourceLocation Loc, | ||||
3280 | FieldDecl *Field) { | ||||
3281 | return getSema().BuildCXXDefaultInitExpr(Loc, Field); | ||||
3282 | } | ||||
3283 | |||||
3284 | /// Build a new C++ zero-initialization expression. | ||||
3285 | /// | ||||
3286 | /// By default, performs semantic analysis to build the new expression. | ||||
3287 | /// Subclasses may override this routine to provide different behavior. | ||||
3288 | ExprResult RebuildCXXScalarValueInitExpr(TypeSourceInfo *TSInfo, | ||||
3289 | SourceLocation LParenLoc, | ||||
3290 | SourceLocation RParenLoc) { | ||||
3291 | return getSema().BuildCXXTypeConstructExpr(TSInfo, LParenLoc, std::nullopt, | ||||
3292 | RParenLoc, | ||||
3293 | /*ListInitialization=*/false); | ||||
3294 | } | ||||
3295 | |||||
3296 | /// Build a new C++ "new" expression. | ||||
3297 | /// | ||||
3298 | /// By default, performs semantic analysis to build the new expression. | ||||
3299 | /// Subclasses may override this routine to provide different behavior. | ||||
3300 | ExprResult RebuildCXXNewExpr(SourceLocation StartLoc, bool UseGlobal, | ||||
3301 | SourceLocation PlacementLParen, | ||||
3302 | MultiExprArg PlacementArgs, | ||||
3303 | SourceLocation PlacementRParen, | ||||
3304 | SourceRange TypeIdParens, QualType AllocatedType, | ||||
3305 | TypeSourceInfo *AllocatedTypeInfo, | ||||
3306 | std::optional<Expr *> ArraySize, | ||||
3307 | SourceRange DirectInitRange, Expr *Initializer) { | ||||
3308 | return getSema().BuildCXXNew(StartLoc, UseGlobal, | ||||
3309 | PlacementLParen, | ||||
3310 | PlacementArgs, | ||||
3311 | PlacementRParen, | ||||
3312 | TypeIdParens, | ||||
3313 | AllocatedType, | ||||
3314 | AllocatedTypeInfo, | ||||
3315 | ArraySize, | ||||
3316 | DirectInitRange, | ||||
3317 | Initializer); | ||||
3318 | } | ||||
3319 | |||||
3320 | /// Build a new C++ "delete" expression. | ||||
3321 | /// | ||||
3322 | /// By default, performs semantic analysis to build the new expression. | ||||
3323 | /// Subclasses may override this routine to provide different behavior. | ||||
3324 | ExprResult RebuildCXXDeleteExpr(SourceLocation StartLoc, | ||||
3325 | bool IsGlobalDelete, | ||||
3326 | bool IsArrayForm, | ||||
3327 | Expr *Operand) { | ||||
3328 | return getSema().ActOnCXXDelete(StartLoc, IsGlobalDelete, IsArrayForm, | ||||
3329 | Operand); | ||||
3330 | } | ||||
3331 | |||||
3332 | /// Build a new type trait expression. | ||||
3333 | /// | ||||
3334 | /// By default, performs semantic analysis to build the new expression. | ||||
3335 | /// Subclasses may override this routine to provide different behavior. | ||||
3336 | ExprResult RebuildTypeTrait(TypeTrait Trait, | ||||
3337 | SourceLocation StartLoc, | ||||
3338 | ArrayRef<TypeSourceInfo *> Args, | ||||
3339 | SourceLocation RParenLoc) { | ||||
3340 | return getSema().BuildTypeTrait(Trait, StartLoc, Args, RParenLoc); | ||||
3341 | } | ||||
3342 | |||||
3343 | /// Build a new array type trait expression. | ||||
3344 | /// | ||||
3345 | /// By default, performs semantic analysis to build the new expression. | ||||
3346 | /// Subclasses may override this routine to provide different behavior. | ||||
3347 | ExprResult RebuildArrayTypeTrait(ArrayTypeTrait Trait, | ||||
3348 | SourceLocation StartLoc, | ||||
3349 | TypeSourceInfo *TSInfo, | ||||
3350 | Expr *DimExpr, | ||||
3351 | SourceLocation RParenLoc) { | ||||
3352 | return getSema().BuildArrayTypeTrait(Trait, StartLoc, TSInfo, DimExpr, RParenLoc); | ||||
3353 | } | ||||
3354 | |||||
3355 | /// Build a new expression trait expression. | ||||
3356 | /// | ||||
3357 | /// By default, performs semantic analysis to build the new expression. | ||||
3358 | /// Subclasses may override this routine to provide different behavior. | ||||
3359 | ExprResult RebuildExpressionTrait(ExpressionTrait Trait, | ||||
3360 | SourceLocation StartLoc, | ||||
3361 | Expr *Queried, | ||||
3362 | SourceLocation RParenLoc) { | ||||
3363 | return getSema().BuildExpressionTrait(Trait, StartLoc, Queried, RParenLoc); | ||||
3364 | } | ||||
3365 | |||||
3366 | /// Build a new (previously unresolved) declaration reference | ||||
3367 | /// expression. | ||||
3368 | /// | ||||
3369 | /// By default, performs semantic analysis to build the new expression. | ||||
3370 | /// Subclasses may override this routine to provide different behavior. | ||||
3371 | ExprResult RebuildDependentScopeDeclRefExpr( | ||||
3372 | NestedNameSpecifierLoc QualifierLoc, | ||||
3373 | SourceLocation TemplateKWLoc, | ||||
3374 | const DeclarationNameInfo &NameInfo, | ||||
3375 | const TemplateArgumentListInfo *TemplateArgs, | ||||
3376 | bool IsAddressOfOperand, | ||||
3377 | TypeSourceInfo **RecoveryTSI) { | ||||
3378 | CXXScopeSpec SS; | ||||
3379 | SS.Adopt(QualifierLoc); | ||||
3380 | |||||
3381 | if (TemplateArgs || TemplateKWLoc.isValid()) | ||||
3382 | return getSema().BuildQualifiedTemplateIdExpr(SS, TemplateKWLoc, NameInfo, | ||||
3383 | TemplateArgs); | ||||
3384 | |||||
3385 | return getSema().BuildQualifiedDeclarationNameExpr( | ||||
3386 | SS, NameInfo, IsAddressOfOperand, /*S*/nullptr, RecoveryTSI); | ||||
3387 | } | ||||
3388 | |||||
3389 | /// Build a new template-id expression. | ||||
3390 | /// | ||||
3391 | /// By default, performs semantic analysis to build the new expression. | ||||
3392 | /// Subclasses may override this routine to provide different behavior. | ||||
3393 | ExprResult RebuildTemplateIdExpr(const CXXScopeSpec &SS, | ||||
3394 | SourceLocation TemplateKWLoc, | ||||
3395 | LookupResult &R, | ||||
3396 | bool RequiresADL, | ||||
3397 | const TemplateArgumentListInfo *TemplateArgs) { | ||||
3398 | return getSema().BuildTemplateIdExpr(SS, TemplateKWLoc, R, RequiresADL, | ||||
3399 | TemplateArgs); | ||||
3400 | } | ||||
3401 | |||||
3402 | /// Build a new object-construction expression. | ||||
3403 | /// | ||||
3404 | /// By default, performs semantic analysis to build the new expression. | ||||
3405 | /// Subclasses may override this routine to provide different behavior. | ||||
3406 | ExprResult RebuildCXXConstructExpr(QualType T, | ||||
3407 | SourceLocation Loc, | ||||
3408 | CXXConstructorDecl *Constructor, | ||||
3409 | bool IsElidable, | ||||
3410 | MultiExprArg Args, | ||||
3411 | bool HadMultipleCandidates, | ||||
3412 | bool ListInitialization, | ||||
3413 | bool StdInitListInitialization, | ||||
3414 | bool RequiresZeroInit, | ||||
3415 | CXXConstructExpr::ConstructionKind ConstructKind, | ||||
3416 | SourceRange ParenRange) { | ||||
3417 | // Reconstruct the constructor we originally found, which might be | ||||
3418 | // different if this is a call to an inherited constructor. | ||||
3419 | CXXConstructorDecl *FoundCtor = Constructor; | ||||
3420 | if (Constructor->isInheritingConstructor()) | ||||
3421 | FoundCtor = Constructor->getInheritedConstructor().getConstructor(); | ||||
3422 | |||||
3423 | SmallVector<Expr *, 8> ConvertedArgs; | ||||
3424 | if (getSema().CompleteConstructorCall(FoundCtor, T, Args, Loc, | ||||
3425 | ConvertedArgs)) | ||||
3426 | return ExprError(); | ||||
3427 | |||||
3428 | return getSema().BuildCXXConstructExpr(Loc, T, Constructor, | ||||
3429 | IsElidable, | ||||
3430 | ConvertedArgs, | ||||
3431 | HadMultipleCandidates, | ||||
3432 | ListInitialization, | ||||
3433 | StdInitListInitialization, | ||||
3434 | RequiresZeroInit, ConstructKind, | ||||
3435 | ParenRange); | ||||
3436 | } | ||||
3437 | |||||
3438 | /// Build a new implicit construction via inherited constructor | ||||
3439 | /// expression. | ||||
3440 | ExprResult RebuildCXXInheritedCtorInitExpr(QualType T, SourceLocation Loc, | ||||
3441 | CXXConstructorDecl *Constructor, | ||||
3442 | bool ConstructsVBase, | ||||
3443 | bool InheritedFromVBase) { | ||||
3444 | return new (getSema().Context) CXXInheritedCtorInitExpr( | ||||
3445 | Loc, T, Constructor, ConstructsVBase, InheritedFromVBase); | ||||
3446 | } | ||||
3447 | |||||
3448 | /// Build a new object-construction expression. | ||||
3449 | /// | ||||
3450 | /// By default, performs semantic analysis to build the new expression. | ||||
3451 | /// Subclasses may override this routine to provide different behavior. | ||||
3452 | ExprResult RebuildCXXTemporaryObjectExpr(TypeSourceInfo *TSInfo, | ||||
3453 | SourceLocation LParenOrBraceLoc, | ||||
3454 | MultiExprArg Args, | ||||
3455 | SourceLocation RParenOrBraceLoc, | ||||
3456 | bool ListInitialization) { | ||||
3457 | return getSema().BuildCXXTypeConstructExpr( | ||||
3458 | TSInfo, LParenOrBraceLoc, Args, RParenOrBraceLoc, ListInitialization); | ||||
3459 | } | ||||
3460 | |||||
3461 | /// Build a new object-construction expression. | ||||
3462 | /// | ||||
3463 | /// By default, performs semantic analysis to build the new expression. | ||||
3464 | /// Subclasses may override this routine to provide different behavior. | ||||
3465 | ExprResult RebuildCXXUnresolvedConstructExpr(TypeSourceInfo *TSInfo, | ||||
3466 | SourceLocation LParenLoc, | ||||
3467 | MultiExprArg Args, | ||||
3468 | SourceLocation RParenLoc, | ||||
3469 | bool ListInitialization) { | ||||
3470 | return getSema().BuildCXXTypeConstructExpr(TSInfo, LParenLoc, Args, | ||||
3471 | RParenLoc, ListInitialization); | ||||
3472 | } | ||||
3473 | |||||
3474 | /// Build a new member reference expression. | ||||
3475 | /// | ||||
3476 | /// By default, performs semantic analysis to build the new expression. | ||||
3477 | /// Subclasses may override this routine to provide different behavior. | ||||
3478 | ExprResult RebuildCXXDependentScopeMemberExpr(Expr *BaseE, | ||||
3479 | QualType BaseType, | ||||
3480 | bool IsArrow, | ||||
3481 | SourceLocation OperatorLoc, | ||||
3482 | NestedNameSpecifierLoc QualifierLoc, | ||||
3483 | SourceLocation TemplateKWLoc, | ||||
3484 | NamedDecl *FirstQualifierInScope, | ||||
3485 | const DeclarationNameInfo &MemberNameInfo, | ||||
3486 | const TemplateArgumentListInfo *TemplateArgs) { | ||||
3487 | CXXScopeSpec SS; | ||||
3488 | SS.Adopt(QualifierLoc); | ||||
3489 | |||||
3490 | return SemaRef.BuildMemberReferenceExpr(BaseE, BaseType, | ||||
3491 | OperatorLoc, IsArrow, | ||||
3492 | SS, TemplateKWLoc, | ||||
3493 | FirstQualifierInScope, | ||||
3494 | MemberNameInfo, | ||||
3495 | TemplateArgs, /*S*/nullptr); | ||||
3496 | } | ||||
3497 | |||||
3498 | /// Build a new member reference expression. | ||||
3499 | /// | ||||
3500 | /// By default, performs semantic analysis to build the new expression. | ||||
3501 | /// Subclasses may override this routine to provide different behavior. | ||||
3502 | ExprResult RebuildUnresolvedMemberExpr(Expr *BaseE, QualType BaseType, | ||||
3503 | SourceLocation OperatorLoc, | ||||
3504 | bool IsArrow, | ||||
3505 | NestedNameSpecifierLoc QualifierLoc, | ||||
3506 | SourceLocation TemplateKWLoc, | ||||
3507 | NamedDecl *FirstQualifierInScope, | ||||
3508 | LookupResult &R, | ||||
3509 | const TemplateArgumentListInfo *TemplateArgs) { | ||||
3510 | CXXScopeSpec SS; | ||||
3511 | SS.Adopt(QualifierLoc); | ||||
3512 | |||||
3513 | return SemaRef.BuildMemberReferenceExpr(BaseE, BaseType, | ||||
3514 | OperatorLoc, IsArrow, | ||||
3515 | SS, TemplateKWLoc, | ||||
3516 | FirstQualifierInScope, | ||||
3517 | R, TemplateArgs, /*S*/nullptr); | ||||
3518 | } | ||||
3519 | |||||
3520 | /// Build a new noexcept expression. | ||||
3521 | /// | ||||
3522 | /// By default, performs semantic analysis to build the new expression. | ||||
3523 | /// Subclasses may override this routine to provide different behavior. | ||||
3524 | ExprResult RebuildCXXNoexceptExpr(SourceRange Range, Expr *Arg) { | ||||
3525 | return SemaRef.BuildCXXNoexceptExpr(Range.getBegin(), Arg, Range.getEnd()); | ||||
3526 | } | ||||
3527 | |||||
3528 | /// Build a new expression to compute the length of a parameter pack. | ||||
3529 | ExprResult RebuildSizeOfPackExpr(SourceLocation OperatorLoc, NamedDecl *Pack, | ||||
3530 | SourceLocation PackLoc, | ||||
3531 | SourceLocation RParenLoc, | ||||
3532 | std::optional<unsigned> Length, | ||||
3533 | ArrayRef<TemplateArgument> PartialArgs) { | ||||
3534 | return SizeOfPackExpr::Create(SemaRef.Context, OperatorLoc, Pack, PackLoc, | ||||
3535 | RParenLoc, Length, PartialArgs); | ||||
3536 | } | ||||
3537 | |||||
3538 | /// Build a new expression representing a call to a source location | ||||
3539 | /// builtin. | ||||
3540 | /// | ||||
3541 | /// By default, performs semantic analysis to build the new expression. | ||||
3542 | /// Subclasses may override this routine to provide different behavior. | ||||
3543 | ExprResult RebuildSourceLocExpr(SourceLocExpr::IdentKind Kind, | ||||
3544 | QualType ResultTy, SourceLocation BuiltinLoc, | ||||
3545 | SourceLocation RPLoc, | ||||
3546 | DeclContext *ParentContext) { | ||||
3547 | return getSema().BuildSourceLocExpr(Kind, ResultTy, BuiltinLoc, RPLoc, | ||||
3548 | ParentContext); | ||||
3549 | } | ||||
3550 | |||||
3551 | /// Build a new Objective-C boxed expression. | ||||
3552 | /// | ||||
3553 | /// By default, performs semantic analysis to build the new expression. | ||||
3554 | /// Subclasses may override this routine to provide different behavior. | ||||
3555 | ExprResult RebuildConceptSpecializationExpr(NestedNameSpecifierLoc NNS, | ||||
3556 | SourceLocation TemplateKWLoc, DeclarationNameInfo ConceptNameInfo, | ||||
3557 | NamedDecl *FoundDecl, ConceptDecl *NamedConcept, | ||||
3558 | TemplateArgumentListInfo *TALI) { | ||||
3559 | CXXScopeSpec SS; | ||||
3560 | SS.Adopt(NNS); | ||||
3561 | ExprResult Result = getSema().CheckConceptTemplateId(SS, TemplateKWLoc, | ||||
3562 | ConceptNameInfo, | ||||
3563 | FoundDecl, | ||||
3564 | NamedConcept, TALI); | ||||
3565 | if (Result.isInvalid()) | ||||
3566 | return ExprError(); | ||||
3567 | return Result; | ||||
3568 | } | ||||
3569 | |||||
3570 | /// \brief Build a new requires expression. | ||||
3571 | /// | ||||
3572 | /// By default, performs semantic analysis to build the new expression. | ||||
3573 | /// Subclasses may override this routine to provide different behavior. | ||||
3574 | ExprResult RebuildRequiresExpr(SourceLocation RequiresKWLoc, | ||||
3575 | RequiresExprBodyDecl *Body, | ||||
3576 | ArrayRef<ParmVarDecl *> LocalParameters, | ||||
3577 | ArrayRef<concepts::Requirement *> Requirements, | ||||
3578 | SourceLocation ClosingBraceLoc) { | ||||
3579 | return RequiresExpr::Create(SemaRef.Context, RequiresKWLoc, Body, | ||||
3580 | LocalParameters, Requirements, ClosingBraceLoc); | ||||
3581 | } | ||||
3582 | |||||
3583 | concepts::TypeRequirement * | ||||
3584 | RebuildTypeRequirement( | ||||
3585 | concepts::Requirement::SubstitutionDiagnostic *SubstDiag) { | ||||
3586 | return SemaRef.BuildTypeRequirement(SubstDiag); | ||||
3587 | } | ||||
3588 | |||||
3589 | concepts::TypeRequirement *RebuildTypeRequirement(TypeSourceInfo *T) { | ||||
3590 | return SemaRef.BuildTypeRequirement(T); | ||||
3591 | } | ||||
3592 | |||||
3593 | concepts::ExprRequirement * | ||||
3594 | RebuildExprRequirement( | ||||
3595 | concepts::Requirement::SubstitutionDiagnostic *SubstDiag, bool IsSimple, | ||||
3596 | SourceLocation NoexceptLoc, | ||||
3597 | concepts::ExprRequirement::ReturnTypeRequirement Ret) { | ||||
3598 | return SemaRef.BuildExprRequirement(SubstDiag, IsSimple, NoexceptLoc, | ||||
3599 | std::move(Ret)); | ||||
3600 | } | ||||
3601 | |||||
3602 | concepts::ExprRequirement * | ||||
3603 | RebuildExprRequirement(Expr *E, bool IsSimple, SourceLocation NoexceptLoc, | ||||
3604 | concepts::ExprRequirement::ReturnTypeRequirement Ret) { | ||||
3605 | return SemaRef.BuildExprRequirement(E, IsSimple, NoexceptLoc, | ||||
3606 | std::move(Ret)); | ||||
3607 | } | ||||
3608 | |||||
3609 | concepts::NestedRequirement * | ||||
3610 | RebuildNestedRequirement(StringRef InvalidConstraintEntity, | ||||
3611 | const ASTConstraintSatisfaction &Satisfaction) { | ||||
3612 | return SemaRef.BuildNestedRequirement(InvalidConstraintEntity, | ||||
3613 | Satisfaction); | ||||
3614 | } | ||||
3615 | |||||
3616 | concepts::NestedRequirement *RebuildNestedRequirement(Expr *Constraint) { | ||||
3617 | return SemaRef.BuildNestedRequirement(Constraint); | ||||
3618 | } | ||||
3619 | |||||
3620 | /// \brief Build a new Objective-C boxed expression. | ||||
3621 | /// | ||||
3622 | /// By default, performs semantic analysis to build the new expression. | ||||
3623 | /// Subclasses may override this routine to provide different behavior. | ||||
3624 | ExprResult RebuildObjCBoxedExpr(SourceRange SR, Expr *ValueExpr) { | ||||
3625 | return getSema().BuildObjCBoxedExpr(SR, ValueExpr); | ||||
3626 | } | ||||
3627 | |||||
3628 | /// Build a new Objective-C array literal. | ||||
3629 | /// | ||||
3630 | /// By default, performs semantic analysis to build the new expression. | ||||
3631 | /// Subclasses may override this routine to provide different behavior. | ||||
3632 | ExprResult RebuildObjCArrayLiteral(SourceRange Range, | ||||
3633 | Expr **Elements, unsigned NumElements) { | ||||
3634 | return getSema().BuildObjCArrayLiteral(Range, | ||||
3635 | MultiExprArg(Elements, NumElements)); | ||||
3636 | } | ||||
3637 | |||||
3638 | ExprResult RebuildObjCSubscriptRefExpr(SourceLocation RB, | ||||
3639 | Expr *Base, Expr *Key, | ||||
3640 | ObjCMethodDecl *getterMethod, | ||||
3641 | ObjCMethodDecl *setterMethod) { | ||||
3642 | return getSema().BuildObjCSubscriptExpression(RB, Base, Key, | ||||
3643 | getterMethod, setterMethod); | ||||
3644 | } | ||||
3645 | |||||
3646 | /// Build a new Objective-C dictionary literal. | ||||
3647 | /// | ||||
3648 | /// By default, performs semantic analysis to build the new expression. | ||||
3649 | /// Subclasses may override this routine to provide different behavior. | ||||
3650 | ExprResult RebuildObjCDictionaryLiteral(SourceRange Range, | ||||
3651 | MutableArrayRef<ObjCDictionaryElement> Elements) { | ||||
3652 | return getSema().BuildObjCDictionaryLiteral(Range, Elements); | ||||
3653 | } | ||||
3654 | |||||
3655 | /// Build a new Objective-C \@encode expression. | ||||
3656 | /// | ||||
3657 | /// By default, performs semantic analysis to build the new expression. | ||||
3658 | /// Subclasses may override this routine to provide different behavior. | ||||
3659 | ExprResult RebuildObjCEncodeExpr(SourceLocation AtLoc, | ||||
3660 | TypeSourceInfo *EncodeTypeInfo, | ||||
3661 | SourceLocation RParenLoc) { | ||||
3662 | return SemaRef.BuildObjCEncodeExpression(AtLoc, EncodeTypeInfo, RParenLoc); | ||||
3663 | } | ||||
3664 | |||||
3665 | /// Build a new Objective-C class message. | ||||
3666 | ExprResult RebuildObjCMessageExpr(TypeSourceInfo *ReceiverTypeInfo, | ||||
3667 | Selector Sel, | ||||
3668 | ArrayRef<SourceLocation> SelectorLocs, | ||||
3669 | ObjCMethodDecl *Method, | ||||
3670 | SourceLocation LBracLoc, | ||||
3671 | MultiExprArg Args, | ||||
3672 | SourceLocation RBracLoc) { | ||||
3673 | return SemaRef.BuildClassMessage(ReceiverTypeInfo, | ||||
3674 | ReceiverTypeInfo->getType(), | ||||
3675 | /*SuperLoc=*/SourceLocation(), | ||||
3676 | Sel, Method, LBracLoc, SelectorLocs, | ||||
3677 | RBracLoc, Args); | ||||
3678 | } | ||||
3679 | |||||
3680 | /// Build a new Objective-C instance message. | ||||
3681 | ExprResult RebuildObjCMessageExpr(Expr *Receiver, | ||||
3682 | Selector Sel, | ||||
3683 | ArrayRef<SourceLocation> SelectorLocs, | ||||
3684 | ObjCMethodDecl *Method, | ||||
3685 | SourceLocation LBracLoc, | ||||
3686 | MultiExprArg Args, | ||||
3687 | SourceLocation RBracLoc) { | ||||
3688 | return SemaRef.BuildInstanceMessage(Receiver, | ||||
3689 | Receiver->getType(), | ||||
3690 | /*SuperLoc=*/SourceLocation(), | ||||
3691 | Sel, Method, LBracLoc, SelectorLocs, | ||||
3692 | RBracLoc, Args); | ||||
3693 | } | ||||
3694 | |||||
3695 | /// Build a new Objective-C instance/class message to 'super'. | ||||
3696 | ExprResult RebuildObjCMessageExpr(SourceLocation SuperLoc, | ||||
3697 | Selector Sel, | ||||
3698 | ArrayRef<SourceLocation> SelectorLocs, | ||||
3699 | QualType SuperType, | ||||
3700 | ObjCMethodDecl *Method, | ||||
3701 | SourceLocation LBracLoc, | ||||
3702 | MultiExprArg Args, | ||||
3703 | SourceLocation RBracLoc) { | ||||
3704 | return Method->isInstanceMethod() ? SemaRef.BuildInstanceMessage(nullptr, | ||||
3705 | SuperType, | ||||
3706 | SuperLoc, | ||||
3707 | Sel, Method, LBracLoc, SelectorLocs, | ||||
3708 | RBracLoc, Args) | ||||
3709 | : SemaRef.BuildClassMessage(nullptr, | ||||
3710 | SuperType, | ||||
3711 | SuperLoc, | ||||
3712 | Sel, Method, LBracLoc, SelectorLocs, | ||||
3713 | RBracLoc, Args); | ||||
3714 | |||||
3715 | |||||
3716 | } | ||||
3717 | |||||
3718 | /// Build a new Objective-C ivar reference expression. | ||||
3719 | /// | ||||
3720 | /// By default, performs semantic analysis to build the new expression. | ||||
3721 | /// Subclasses may override this routine to provide different behavior. | ||||
3722 | ExprResult RebuildObjCIvarRefExpr(Expr *BaseArg, ObjCIvarDecl *Ivar, | ||||
3723 | SourceLocation IvarLoc, | ||||
3724 | bool IsArrow, bool IsFreeIvar) { | ||||
3725 | CXXScopeSpec SS; | ||||
3726 | DeclarationNameInfo NameInfo(Ivar->getDeclName(), IvarLoc); | ||||
3727 | ExprResult Result = getSema().BuildMemberReferenceExpr( | ||||
3728 | BaseArg, BaseArg->getType(), | ||||
3729 | /*FIXME:*/ IvarLoc, IsArrow, SS, SourceLocation(), | ||||
3730 | /*FirstQualifierInScope=*/nullptr, NameInfo, | ||||
3731 | /*TemplateArgs=*/nullptr, | ||||
3732 | /*S=*/nullptr); | ||||
3733 | if (IsFreeIvar && Result.isUsable()) | ||||
3734 | cast<ObjCIvarRefExpr>(Result.get())->setIsFreeIvar(IsFreeIvar); | ||||
3735 | return Result; | ||||
3736 | } | ||||
3737 | |||||
3738 | /// Build a new Objective-C property reference expression. | ||||
3739 | /// | ||||
3740 | /// By default, performs semantic analysis to build the new expression. | ||||
3741 | /// Subclasses may override this routine to provide different behavior. | ||||
3742 | ExprResult RebuildObjCPropertyRefExpr(Expr *BaseArg, | ||||
3743 | ObjCPropertyDecl *Property, | ||||
3744 | SourceLocation PropertyLoc) { | ||||
3745 | CXXScopeSpec SS; | ||||
3746 | DeclarationNameInfo NameInfo(Property->getDeclName(), PropertyLoc); | ||||
3747 | return getSema().BuildMemberReferenceExpr(BaseArg, BaseArg->getType(), | ||||
3748 | /*FIXME:*/PropertyLoc, | ||||
3749 | /*IsArrow=*/false, | ||||
3750 | SS, SourceLocation(), | ||||
3751 | /*FirstQualifierInScope=*/nullptr, | ||||
3752 | NameInfo, | ||||
3753 | /*TemplateArgs=*/nullptr, | ||||
3754 | /*S=*/nullptr); | ||||
3755 | } | ||||
3756 | |||||
3757 | /// Build a new Objective-C property reference expression. | ||||
3758 | /// | ||||
3759 | /// By default, performs semantic analysis to build the new expression. | ||||
3760 | /// Subclasses may override this routine to provide different behavior. | ||||
3761 | ExprResult RebuildObjCPropertyRefExpr(Expr *Base, QualType T, | ||||
3762 | ObjCMethodDecl *Getter, | ||||
3763 | ObjCMethodDecl *Setter, | ||||
3764 | SourceLocation PropertyLoc) { | ||||
3765 | // Since these expressions can only be value-dependent, we do not | ||||
3766 | // need to perform semantic analysis again. | ||||
3767 | return Owned( | ||||
3768 | new (getSema().Context) ObjCPropertyRefExpr(Getter, Setter, T, | ||||
3769 | VK_LValue, OK_ObjCProperty, | ||||
3770 | PropertyLoc, Base)); | ||||
3771 | } | ||||
3772 | |||||
3773 | /// Build a new Objective-C "isa" expression. | ||||
3774 | /// | ||||
3775 | /// By default, performs semantic analysis to build the new expression. | ||||
3776 | /// Subclasses may override this routine to provide different behavior. | ||||
3777 | ExprResult RebuildObjCIsaExpr(Expr *BaseArg, SourceLocation IsaLoc, | ||||
3778 | SourceLocation OpLoc, bool IsArrow) { | ||||
3779 | CXXScopeSpec SS; | ||||
3780 | DeclarationNameInfo NameInfo(&getSema().Context.Idents.get("isa"), IsaLoc); | ||||
3781 | return getSema().BuildMemberReferenceExpr(BaseArg, BaseArg->getType(), | ||||
3782 | OpLoc, IsArrow, | ||||
3783 | SS, SourceLocation(), | ||||
3784 | /*FirstQualifierInScope=*/nullptr, | ||||
3785 | NameInfo, | ||||
3786 | /*TemplateArgs=*/nullptr, | ||||
3787 | /*S=*/nullptr); | ||||
3788 | } | ||||
3789 | |||||
3790 | /// Build a new shuffle vector expression. | ||||
3791 | /// | ||||
3792 | /// By default, performs semantic analysis to build the new expression. | ||||
3793 | /// Subclasses may override this routine to provide different behavior. | ||||
3794 | ExprResult RebuildShuffleVectorExpr(SourceLocation BuiltinLoc, | ||||
3795 | MultiExprArg SubExprs, | ||||
3796 | SourceLocation RParenLoc) { | ||||
3797 | // Find the declaration for __builtin_shufflevector | ||||
3798 | const IdentifierInfo &Name | ||||
3799 | = SemaRef.Context.Idents.get("__builtin_shufflevector"); | ||||
3800 | TranslationUnitDecl *TUDecl = SemaRef.Context.getTranslationUnitDecl(); | ||||
3801 | DeclContext::lookup_result Lookup = TUDecl->lookup(DeclarationName(&Name)); | ||||
3802 | assert(!Lookup.empty() && "No __builtin_shufflevector?")(static_cast <bool> (!Lookup.empty() && "No __builtin_shufflevector?" ) ? void (0) : __assert_fail ("!Lookup.empty() && \"No __builtin_shufflevector?\"" , "clang/lib/Sema/TreeTransform.h", 3802, __extension__ __PRETTY_FUNCTION__ )); | ||||
3803 | |||||
3804 | // Build a reference to the __builtin_shufflevector builtin | ||||
3805 | FunctionDecl *Builtin = cast<FunctionDecl>(Lookup.front()); | ||||
3806 | Expr *Callee = new (SemaRef.Context) | ||||
3807 | DeclRefExpr(SemaRef.Context, Builtin, false, | ||||
3808 | SemaRef.Context.BuiltinFnTy, VK_PRValue, BuiltinLoc); | ||||
3809 | QualType CalleePtrTy = SemaRef.Context.getPointerType(Builtin->getType()); | ||||
3810 | Callee = SemaRef.ImpCastExprToType(Callee, CalleePtrTy, | ||||
3811 | CK_BuiltinFnToFnPtr).get(); | ||||
3812 | |||||
3813 | // Build the CallExpr | ||||
3814 | ExprResult TheCall = CallExpr::Create( | ||||
3815 | SemaRef.Context, Callee, SubExprs, Builtin->getCallResultType(), | ||||
3816 | Expr::getValueKindForType(Builtin->getReturnType()), RParenLoc, | ||||
3817 | FPOptionsOverride()); | ||||
3818 | |||||
3819 | // Type-check the __builtin_shufflevector expression. | ||||
3820 | return SemaRef.SemaBuiltinShuffleVector(cast<CallExpr>(TheCall.get())); | ||||
3821 | } | ||||
3822 | |||||
3823 | /// Build a new convert vector expression. | ||||
3824 | ExprResult RebuildConvertVectorExpr(SourceLocation BuiltinLoc, | ||||
3825 | Expr *SrcExpr, TypeSourceInfo *DstTInfo, | ||||
3826 | SourceLocation RParenLoc) { | ||||
3827 | return SemaRef.SemaConvertVectorExpr(SrcExpr, DstTInfo, | ||||
3828 | BuiltinLoc, RParenLoc); | ||||
3829 | } | ||||
3830 | |||||
3831 | /// Build a new template argument pack expansion. | ||||
3832 | /// | ||||
3833 | /// By default, performs semantic analysis to build a new pack expansion | ||||
3834 | /// for a template argument. Subclasses may override this routine to provide | ||||
3835 | /// different behavior. | ||||
3836 | TemplateArgumentLoc | ||||
3837 | RebuildPackExpansion(TemplateArgumentLoc Pattern, SourceLocation EllipsisLoc, | ||||
3838 | std::optional<unsigned> NumExpansions) { | ||||
3839 | switch (Pattern.getArgument().getKind()) { | ||||
3840 | case TemplateArgument::Expression: { | ||||
3841 | ExprResult Result | ||||
3842 | = getSema().CheckPackExpansion(Pattern.getSourceExpression(), | ||||
3843 | EllipsisLoc, NumExpansions); | ||||
3844 | if (Result.isInvalid()) | ||||
3845 | return TemplateArgumentLoc(); | ||||
3846 | |||||
3847 | return TemplateArgumentLoc(Result.get(), Result.get()); | ||||
3848 | } | ||||
3849 | |||||
3850 | case TemplateArgument::Template: | ||||
3851 | return TemplateArgumentLoc( | ||||
3852 | SemaRef.Context, | ||||
3853 | TemplateArgument(Pattern.getArgument().getAsTemplate(), | ||||
3854 | NumExpansions), | ||||
3855 | Pattern.getTemplateQualifierLoc(), Pattern.getTemplateNameLoc(), | ||||
3856 | EllipsisLoc); | ||||
3857 | |||||
3858 | case TemplateArgument::Null: | ||||
3859 | case TemplateArgument::Integral: | ||||
3860 | case TemplateArgument::Declaration: | ||||
3861 | case TemplateArgument::Pack: | ||||
3862 | case TemplateArgument::TemplateExpansion: | ||||
3863 | case TemplateArgument::NullPtr: | ||||
3864 | llvm_unreachable("Pack expansion pattern has no parameter packs")::llvm::llvm_unreachable_internal("Pack expansion pattern has no parameter packs" , "clang/lib/Sema/TreeTransform.h", 3864); | ||||
3865 | |||||
3866 | case TemplateArgument::Type: | ||||
3867 | if (TypeSourceInfo *Expansion | ||||
3868 | = getSema().CheckPackExpansion(Pattern.getTypeSourceInfo(), | ||||
3869 | EllipsisLoc, | ||||
3870 | NumExpansions)) | ||||
3871 | return TemplateArgumentLoc(TemplateArgument(Expansion->getType()), | ||||
3872 | Expansion); | ||||
3873 | break; | ||||
3874 | } | ||||
3875 | |||||
3876 | return TemplateArgumentLoc(); | ||||
3877 | } | ||||
3878 | |||||
3879 | /// Build a new expression pack expansion. | ||||
3880 | /// | ||||
3881 | /// By default, performs semantic analysis to build a new pack expansion | ||||
3882 | /// for an expression. Subclasses may override this routine to provide | ||||
3883 | /// different behavior. | ||||
3884 | ExprResult RebuildPackExpansion(Expr *Pattern, SourceLocation EllipsisLoc, | ||||
3885 | std::optional<unsigned> NumExpansions) { | ||||
3886 | return getSema().CheckPackExpansion(Pattern, EllipsisLoc, NumExpansions); | ||||
3887 | } | ||||
3888 | |||||
3889 | /// Build a new C++1z fold-expression. | ||||
3890 | /// | ||||
3891 | /// By default, performs semantic analysis in order to build a new fold | ||||
3892 | /// expression. | ||||
3893 | ExprResult RebuildCXXFoldExpr(UnresolvedLookupExpr *ULE, | ||||
3894 | SourceLocation LParenLoc, Expr *LHS, | ||||
3895 | BinaryOperatorKind Operator, | ||||
3896 | SourceLocation EllipsisLoc, Expr *RHS, | ||||
3897 | SourceLocation RParenLoc, | ||||
3898 | std::optional<unsigned> NumExpansions) { | ||||
3899 | return getSema().BuildCXXFoldExpr(ULE, LParenLoc, LHS, Operator, | ||||
3900 | EllipsisLoc, RHS, RParenLoc, | ||||
3901 | NumExpansions); | ||||
3902 | } | ||||
3903 | |||||
3904 | /// Build an empty C++1z fold-expression with the given operator. | ||||
3905 | /// | ||||
3906 | /// By default, produces the fallback value for the fold-expression, or | ||||
3907 | /// produce an error if there is no fallback value. | ||||
3908 | ExprResult RebuildEmptyCXXFoldExpr(SourceLocation EllipsisLoc, | ||||
3909 | BinaryOperatorKind Operator) { | ||||
3910 | return getSema().BuildEmptyCXXFoldExpr(EllipsisLoc, Operator); | ||||
3911 | } | ||||
3912 | |||||
3913 | /// Build a new atomic operation expression. | ||||
3914 | /// | ||||
3915 | /// By default, performs semantic analysis to build the new expression. | ||||
3916 | /// Subclasses may override this routine to provide different behavior. | ||||
3917 | ExprResult RebuildAtomicExpr(SourceLocation BuiltinLoc, MultiExprArg SubExprs, | ||||
3918 | AtomicExpr::AtomicOp Op, | ||||
3919 | SourceLocation RParenLoc) { | ||||
3920 | // Use this for all of the locations, since we don't know the difference | ||||
3921 | // between the call and the expr at this point. | ||||
3922 | SourceRange Range{BuiltinLoc, RParenLoc}; | ||||
3923 | return getSema().BuildAtomicExpr(Range, Range, RParenLoc, SubExprs, Op, | ||||
3924 | Sema::AtomicArgumentOrder::AST); | ||||
3925 | } | ||||
3926 | |||||
3927 | ExprResult RebuildRecoveryExpr(SourceLocation BeginLoc, SourceLocation EndLoc, | ||||
3928 | ArrayRef<Expr *> SubExprs, QualType Type) { | ||||
3929 | return getSema().CreateRecoveryExpr(BeginLoc, EndLoc, SubExprs, Type); | ||||
3930 | } | ||||
3931 | |||||
3932 | private: | ||||
3933 | TypeLoc TransformTypeInObjectScope(TypeLoc TL, | ||||
3934 | QualType ObjectType, | ||||
3935 | NamedDecl *FirstQualifierInScope, | ||||
3936 | CXXScopeSpec &SS); | ||||
3937 | |||||
3938 | TypeSourceInfo *TransformTypeInObjectScope(TypeSourceInfo *TSInfo, | ||||
3939 | QualType ObjectType, | ||||
3940 | NamedDecl *FirstQualifierInScope, | ||||
3941 | CXXScopeSpec &SS); | ||||
3942 | |||||
3943 | TypeSourceInfo *TransformTSIInObjectScope(TypeLoc TL, QualType ObjectType, | ||||
3944 | NamedDecl *FirstQualifierInScope, | ||||
3945 | CXXScopeSpec &SS); | ||||
3946 | |||||
3947 | QualType TransformDependentNameType(TypeLocBuilder &TLB, | ||||
3948 | DependentNameTypeLoc TL, | ||||
3949 | bool DeducibleTSTContext); | ||||
3950 | }; | ||||
3951 | |||||
3952 | template <typename Derived> | ||||
3953 | StmtResult TreeTransform<Derived>::TransformStmt(Stmt *S, StmtDiscardKind SDK) { | ||||
3954 | if (!S) | ||||
3955 | return S; | ||||
3956 | |||||
3957 | switch (S->getStmtClass()) { | ||||
3958 | case Stmt::NoStmtClass: break; | ||||
3959 | |||||
3960 | // Transform individual statement nodes | ||||
3961 | // Pass SDK into statements that can produce a value | ||||
3962 | #define STMT(Node, Parent) \ | ||||
3963 | case Stmt::Node##Class: return getDerived().Transform##Node(cast<Node>(S)); | ||||
3964 | #define VALUESTMT(Node, Parent) \ | ||||
3965 | case Stmt::Node##Class: \ | ||||
3966 | return getDerived().Transform##Node(cast<Node>(S), SDK); | ||||
3967 | #define ABSTRACT_STMT(Node) | ||||
3968 | #define EXPR(Node, Parent) | ||||
3969 | #include "clang/AST/StmtNodes.inc" | ||||
3970 | |||||
3971 | // Transform expressions by calling TransformExpr. | ||||
3972 | #define STMT(Node, Parent) | ||||
3973 | #define ABSTRACT_STMT(Stmt) | ||||
3974 | #define EXPR(Node, Parent) case Stmt::Node##Class: | ||||
3975 | #include "clang/AST/StmtNodes.inc" | ||||
3976 | { | ||||
3977 | ExprResult E = getDerived().TransformExpr(cast<Expr>(S)); | ||||
3978 | |||||
3979 | if (SDK == SDK_StmtExprResult) | ||||
3980 | E = getSema().ActOnStmtExprResult(E); | ||||
3981 | return getSema().ActOnExprStmt(E, SDK == SDK_Discarded); | ||||
3982 | } | ||||
3983 | } | ||||
3984 | |||||
3985 | return S; | ||||
3986 | } | ||||
3987 | |||||
3988 | template<typename Derived> | ||||
3989 | OMPClause *TreeTransform<Derived>::TransformOMPClause(OMPClause *S) { | ||||
3990 | if (!S) | ||||
3991 | return S; | ||||
3992 | |||||
3993 | switch (S->getClauseKind()) { | ||||
3994 | default: break; | ||||
3995 | // Transform individual clause nodes | ||||
3996 | #define GEN_CLANG_CLAUSE_CLASS | ||||
3997 | #define CLAUSE_CLASS(Enum, Str, Class) \ | ||||
3998 | case Enum: \ | ||||
3999 | return getDerived().Transform##Class(cast<Class>(S)); | ||||
4000 | #include "llvm/Frontend/OpenMP/OMP.inc" | ||||
4001 | } | ||||
4002 | |||||
4003 | return S; | ||||
4004 | } | ||||
4005 | |||||
4006 | |||||
4007 | template<typename Derived> | ||||
4008 | ExprResult TreeTransform<Derived>::TransformExpr(Expr *E) { | ||||
4009 | if (!E) | ||||
4010 | return E; | ||||
4011 | |||||
4012 | switch (E->getStmtClass()) { | ||||
4013 | case Stmt::NoStmtClass: break; | ||||
4014 | #define STMT(Node, Parent) case Stmt::Node##Class: break; | ||||
4015 | #define ABSTRACT_STMT(Stmt) | ||||
4016 | #define EXPR(Node, Parent) \ | ||||
4017 | case Stmt::Node##Class: return getDerived().Transform##Node(cast<Node>(E)); | ||||
4018 | #include "clang/AST/StmtNodes.inc" | ||||
4019 | } | ||||
4020 | |||||
4021 | return E; | ||||
4022 | } | ||||
4023 | |||||
4024 | template<typename Derived> | ||||
4025 | ExprResult TreeTransform<Derived>::TransformInitializer(Expr *Init, | ||||
4026 | bool NotCopyInit) { | ||||
4027 | // Initializers are instantiated like expressions, except that various outer | ||||
4028 | // layers are stripped. | ||||
4029 | if (!Init) | ||||
4030 | return Init; | ||||
4031 | |||||
4032 | if (auto *FE = dyn_cast<FullExpr>(Init)) | ||||
4033 | Init = FE->getSubExpr(); | ||||
4034 | |||||
4035 | if (auto *AIL = dyn_cast<ArrayInitLoopExpr>(Init)) { | ||||
4036 | OpaqueValueExpr *OVE = AIL->getCommonExpr(); | ||||
4037 | Init = OVE->getSourceExpr(); | ||||
4038 | } | ||||
4039 | |||||
4040 | if (MaterializeTemporaryExpr *MTE = dyn_cast<MaterializeTemporaryExpr>(Init)) | ||||
4041 | Init = MTE->getSubExpr(); | ||||
4042 | |||||
4043 | while (CXXBindTemporaryExpr *Binder = dyn_cast<CXXBindTemporaryExpr>(Init)) | ||||
4044 | Init = Binder->getSubExpr(); | ||||
4045 | |||||
4046 | if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Init)) | ||||
4047 | Init = ICE->getSubExprAsWritten(); | ||||
4048 | |||||
4049 | if (CXXStdInitializerListExpr *ILE = | ||||
4050 | dyn_cast<CXXStdInitializerListExpr>(Init)) | ||||
4051 | return TransformInitializer(ILE->getSubExpr(), NotCopyInit); | ||||
4052 | |||||
4053 | // If this is copy-initialization, we only need to reconstruct | ||||
4054 | // InitListExprs. Other forms of copy-initialization will be a no-op if | ||||
4055 | // the initializer is already the right type. | ||||
4056 | CXXConstructExpr *Construct = dyn_cast<CXXConstructExpr>(Init); | ||||
4057 | if (!NotCopyInit && !(Construct && Construct->isListInitialization())) | ||||
4058 | return getDerived().TransformExpr(Init); | ||||
4059 | |||||
4060 | // Revert value-initialization back to empty parens. | ||||
4061 | if (CXXScalarValueInitExpr *VIE = dyn_cast<CXXScalarValueInitExpr>(Init)) { | ||||
4062 | SourceRange Parens = VIE->getSourceRange(); | ||||
4063 | return getDerived().RebuildParenListExpr(Parens.getBegin(), std::nullopt, | ||||
4064 | Parens.getEnd()); | ||||
4065 | } | ||||
4066 | |||||
4067 | // FIXME: We shouldn't build ImplicitValueInitExprs for direct-initialization. | ||||
4068 | if (isa<ImplicitValueInitExpr>(Init)) | ||||
4069 | return getDerived().RebuildParenListExpr(SourceLocation(), std::nullopt, | ||||
4070 | SourceLocation()); | ||||
4071 | |||||
4072 | // Revert initialization by constructor back to a parenthesized or braced list | ||||
4073 | // of expressions. Any other form of initializer can just be reused directly. | ||||
4074 | if (!Construct || isa<CXXTemporaryObjectExpr>(Construct)) | ||||
4075 | return getDerived().TransformExpr(Init); | ||||
4076 | |||||
4077 | // If the initialization implicitly converted an initializer list to a | ||||
4078 | // std::initializer_list object, unwrap the std::initializer_list too. | ||||
4079 | if (Construct && Construct->isStdInitListInitialization()) | ||||
4080 | return TransformInitializer(Construct->getArg(0), NotCopyInit); | ||||
4081 | |||||
4082 | // Enter a list-init context if this was list initialization. | ||||
4083 | EnterExpressionEvaluationContext Context( | ||||
4084 | getSema(), EnterExpressionEvaluationContext::InitList, | ||||
4085 | Construct->isListInitialization()); | ||||
4086 | |||||
4087 | SmallVector<Expr*, 8> NewArgs; | ||||
4088 | bool ArgChanged = false; | ||||
4089 | if (getDerived().TransformExprs(Construct->getArgs(), Construct->getNumArgs(), | ||||
4090 | /*IsCall*/true, NewArgs, &ArgChanged)) | ||||
4091 | return ExprError(); | ||||
4092 | |||||
4093 | // If this was list initialization, revert to syntactic list form. | ||||
4094 | if (Construct->isListInitialization()) | ||||
4095 | return getDerived().RebuildInitList(Construct->getBeginLoc(), NewArgs, | ||||
4096 | Construct->getEndLoc()); | ||||
4097 | |||||
4098 | // Build a ParenListExpr to represent anything else. | ||||
4099 | SourceRange Parens = Construct->getParenOrBraceRange(); | ||||
4100 | if (Parens.isInvalid()) { | ||||
4101 | // This was a variable declaration's initialization for which no initializer | ||||
4102 | // was specified. | ||||
4103 | assert(NewArgs.empty() &&(static_cast <bool> (NewArgs.empty() && "no parens or braces but have direct init with arguments?" ) ? void (0) : __assert_fail ("NewArgs.empty() && \"no parens or braces but have direct init with arguments?\"" , "clang/lib/Sema/TreeTransform.h", 4104, __extension__ __PRETTY_FUNCTION__ )) | ||||
4104 | "no parens or braces but have direct init with arguments?")(static_cast <bool> (NewArgs.empty() && "no parens or braces but have direct init with arguments?" ) ? void (0) : __assert_fail ("NewArgs.empty() && \"no parens or braces but have direct init with arguments?\"" , "clang/lib/Sema/TreeTransform.h", 4104, __extension__ __PRETTY_FUNCTION__ )); | ||||
4105 | return ExprEmpty(); | ||||
4106 | } | ||||
4107 | return getDerived().RebuildParenListExpr(Parens.getBegin(), NewArgs, | ||||
4108 | Parens.getEnd()); | ||||
4109 | } | ||||
4110 | |||||
4111 | template<typename Derived> | ||||
4112 | bool TreeTransform<Derived>::TransformExprs(Expr *const *Inputs, | ||||
4113 | unsigned NumInputs, | ||||
4114 | bool IsCall, | ||||
4115 | SmallVectorImpl<Expr *> &Outputs, | ||||
4116 | bool *ArgChanged) { | ||||
4117 | for (unsigned I = 0; I != NumInputs; ++I) { | ||||
4118 | // If requested, drop call arguments that need to be dropped. | ||||
4119 | if (IsCall && getDerived().DropCallArgument(Inputs[I])) { | ||||
4120 | if (ArgChanged) | ||||
4121 | *ArgChanged = true; | ||||
4122 | |||||
4123 | break; | ||||
4124 | } | ||||
4125 | |||||
4126 | if (PackExpansionExpr *Expansion = dyn_cast<PackExpansionExpr>(Inputs[I])) { | ||||
4127 | Expr *Pattern = Expansion->getPattern(); | ||||
4128 | |||||
4129 | SmallVector<UnexpandedParameterPack, 2> Unexpanded; | ||||
4130 | getSema().collectUnexpandedParameterPacks(Pattern, Unexpanded); | ||||
4131 | assert(!Unexpanded.empty() && "Pack expansion without parameter packs?")(static_cast <bool> (!Unexpanded.empty() && "Pack expansion without parameter packs?" ) ? void (0) : __assert_fail ("!Unexpanded.empty() && \"Pack expansion without parameter packs?\"" , "clang/lib/Sema/TreeTransform.h", 4131, __extension__ __PRETTY_FUNCTION__ )); | ||||
4132 | |||||
4133 | // Determine whether the set of unexpanded parameter packs can and should | ||||
4134 | // be expanded. | ||||
4135 | bool Expand = true; | ||||
4136 | bool RetainExpansion = false; | ||||
4137 | std::optional<unsigned> OrigNumExpansions = Expansion->getNumExpansions(); | ||||
4138 | std::optional<unsigned> NumExpansions = OrigNumExpansions; | ||||
4139 | if (getDerived().TryExpandParameterPacks(Expansion->getEllipsisLoc(), | ||||
4140 | Pattern->getSourceRange(), | ||||
4141 | Unexpanded, | ||||
4142 | Expand, RetainExpansion, | ||||
4143 | NumExpansions)) | ||||
4144 | return true; | ||||
4145 | |||||
4146 | if (!Expand) { | ||||
4147 | // The transform has determined that we should perform a simple | ||||
4148 | // transformation on the pack expansion, producing another pack | ||||
4149 | // expansion. | ||||
4150 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), -1); | ||||
4151 | ExprResult OutPattern = getDerived().TransformExpr(Pattern); | ||||
4152 | if (OutPattern.isInvalid()) | ||||
4153 | return true; | ||||
4154 | |||||
4155 | ExprResult Out = getDerived().RebuildPackExpansion(OutPattern.get(), | ||||
4156 | Expansion->getEllipsisLoc(), | ||||
4157 | NumExpansions); | ||||
4158 | if (Out.isInvalid()) | ||||
4159 | return true; | ||||
4160 | |||||
4161 | if (ArgChanged) | ||||
4162 | *ArgChanged = true; | ||||
4163 | Outputs.push_back(Out.get()); | ||||
4164 | continue; | ||||
4165 | } | ||||
4166 | |||||
4167 | // Record right away that the argument was changed. This needs | ||||
4168 | // to happen even if the array expands to nothing. | ||||
4169 | if (ArgChanged) *ArgChanged = true; | ||||
4170 | |||||
4171 | // The transform has determined that we should perform an elementwise | ||||
4172 | // expansion of the pattern. Do so. | ||||
4173 | for (unsigned I = 0; I != *NumExpansions; ++I) { | ||||
4174 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), I); | ||||
4175 | ExprResult Out = getDerived().TransformExpr(Pattern); | ||||
4176 | if (Out.isInvalid()) | ||||
4177 | return true; | ||||
4178 | |||||
4179 | if (Out.get()->containsUnexpandedParameterPack()) { | ||||
4180 | Out = getDerived().RebuildPackExpansion( | ||||
4181 | Out.get(), Expansion->getEllipsisLoc(), OrigNumExpansions); | ||||
4182 | if (Out.isInvalid()) | ||||
4183 | return true; | ||||
4184 | } | ||||
4185 | |||||
4186 | Outputs.push_back(Out.get()); | ||||
4187 | } | ||||
4188 | |||||
4189 | // If we're supposed to retain a pack expansion, do so by temporarily | ||||
4190 | // forgetting the partially-substituted parameter pack. | ||||
4191 | if (RetainExpansion) { | ||||
4192 | ForgetPartiallySubstitutedPackRAII Forget(getDerived()); | ||||
4193 | |||||
4194 | ExprResult Out = getDerived().TransformExpr(Pattern); | ||||
4195 | if (Out.isInvalid()) | ||||
4196 | return true; | ||||
4197 | |||||
4198 | Out = getDerived().RebuildPackExpansion( | ||||
4199 | Out.get(), Expansion->getEllipsisLoc(), OrigNumExpansions); | ||||
4200 | if (Out.isInvalid()) | ||||
4201 | return true; | ||||
4202 | |||||
4203 | Outputs.push_back(Out.get()); | ||||
4204 | } | ||||
4205 | |||||
4206 | continue; | ||||
4207 | } | ||||
4208 | |||||
4209 | ExprResult Result = | ||||
4210 | IsCall ? getDerived().TransformInitializer(Inputs[I], /*DirectInit*/false) | ||||
4211 | : getDerived().TransformExpr(Inputs[I]); | ||||
4212 | if (Result.isInvalid()) | ||||
4213 | return true; | ||||
4214 | |||||
4215 | if (Result.get() != Inputs[I] && ArgChanged) | ||||
4216 | *ArgChanged = true; | ||||
4217 | |||||
4218 | Outputs.push_back(Result.get()); | ||||
4219 | } | ||||
4220 | |||||
4221 | return false; | ||||
4222 | } | ||||
4223 | |||||
4224 | template <typename Derived> | ||||
4225 | Sema::ConditionResult TreeTransform<Derived>::TransformCondition( | ||||
4226 | SourceLocation Loc, VarDecl *Var, Expr *Expr, Sema::ConditionKind Kind) { | ||||
4227 | if (Var) { | ||||
4228 | VarDecl *ConditionVar = cast_or_null<VarDecl>( | ||||
4229 | getDerived().TransformDefinition(Var->getLocation(), Var)); | ||||
4230 | |||||
4231 | if (!ConditionVar) | ||||
4232 | return Sema::ConditionError(); | ||||
4233 | |||||
4234 | return getSema().ActOnConditionVariable(ConditionVar, Loc, Kind); | ||||
4235 | } | ||||
4236 | |||||
4237 | if (Expr) { | ||||
4238 | ExprResult CondExpr = getDerived().TransformExpr(Expr); | ||||
4239 | |||||
4240 | if (CondExpr.isInvalid()) | ||||
4241 | return Sema::ConditionError(); | ||||
4242 | |||||
4243 | return getSema().ActOnCondition(nullptr, Loc, CondExpr.get(), Kind, | ||||
4244 | /*MissingOK=*/true); | ||||
4245 | } | ||||
4246 | |||||
4247 | return Sema::ConditionResult(); | ||||
4248 | } | ||||
4249 | |||||
4250 | template <typename Derived> | ||||
4251 | NestedNameSpecifierLoc TreeTransform<Derived>::TransformNestedNameSpecifierLoc( | ||||
4252 | NestedNameSpecifierLoc NNS, QualType ObjectType, | ||||
4253 | NamedDecl *FirstQualifierInScope) { | ||||
4254 | SmallVector<NestedNameSpecifierLoc, 4> Qualifiers; | ||||
4255 | |||||
4256 | auto insertNNS = [&Qualifiers](NestedNameSpecifierLoc NNS) { | ||||
4257 | for (NestedNameSpecifierLoc Qualifier = NNS; Qualifier; | ||||
4258 | Qualifier = Qualifier.getPrefix()) | ||||
4259 | Qualifiers.push_back(Qualifier); | ||||
4260 | }; | ||||
4261 | insertNNS(NNS); | ||||
4262 | |||||
4263 | CXXScopeSpec SS; | ||||
4264 | while (!Qualifiers.empty()) { | ||||
4265 | NestedNameSpecifierLoc Q = Qualifiers.pop_back_val(); | ||||
4266 | NestedNameSpecifier *QNNS = Q.getNestedNameSpecifier(); | ||||
4267 | |||||
4268 | switch (QNNS->getKind()) { | ||||
4269 | case NestedNameSpecifier::Identifier: { | ||||
4270 | Sema::NestedNameSpecInfo IdInfo(QNNS->getAsIdentifier(), | ||||
4271 | Q.getLocalBeginLoc(), Q.getLocalEndLoc(), | ||||
4272 | ObjectType); | ||||
4273 | if (SemaRef.BuildCXXNestedNameSpecifier(/*Scope=*/nullptr, IdInfo, false, | ||||
4274 | SS, FirstQualifierInScope, false)) | ||||
4275 | return NestedNameSpecifierLoc(); | ||||
4276 | break; | ||||
4277 | } | ||||
4278 | |||||
4279 | case NestedNameSpecifier::Namespace: { | ||||
4280 | NamespaceDecl *NS = | ||||
4281 | cast_or_null<NamespaceDecl>(getDerived().TransformDecl( | ||||
4282 | Q.getLocalBeginLoc(), QNNS->getAsNamespace())); | ||||
4283 | SS.Extend(SemaRef.Context, NS, Q.getLocalBeginLoc(), Q.getLocalEndLoc()); | ||||
4284 | break; | ||||
4285 | } | ||||
4286 | |||||
4287 | case NestedNameSpecifier::NamespaceAlias: { | ||||
4288 | NamespaceAliasDecl *Alias = | ||||
4289 | cast_or_null<NamespaceAliasDecl>(getDerived().TransformDecl( | ||||
4290 | Q.getLocalBeginLoc(), QNNS->getAsNamespaceAlias())); | ||||
4291 | SS.Extend(SemaRef.Context, Alias, Q.getLocalBeginLoc(), | ||||
4292 | Q.getLocalEndLoc()); | ||||
4293 | break; | ||||
4294 | } | ||||
4295 | |||||
4296 | case NestedNameSpecifier::Global: | ||||
4297 | // There is no meaningful transformation that one could perform on the | ||||
4298 | // global scope. | ||||
4299 | SS.MakeGlobal(SemaRef.Context, Q.getBeginLoc()); | ||||
4300 | break; | ||||
4301 | |||||
4302 | case NestedNameSpecifier::Super: { | ||||
4303 | CXXRecordDecl *RD = | ||||
4304 | cast_or_null<CXXRecordDecl>(getDerived().TransformDecl( | ||||
4305 | SourceLocation(), QNNS->getAsRecordDecl())); | ||||
4306 | SS.MakeSuper(SemaRef.Context, RD, Q.getBeginLoc(), Q.getEndLoc()); | ||||
4307 | break; | ||||
4308 | } | ||||
4309 | |||||
4310 | case NestedNameSpecifier::TypeSpecWithTemplate: | ||||
4311 | case NestedNameSpecifier::TypeSpec: { | ||||
4312 | TypeLoc TL = TransformTypeInObjectScope(Q.getTypeLoc(), ObjectType, | ||||
4313 | FirstQualifierInScope, SS); | ||||
4314 | |||||
4315 | if (!TL) | ||||
4316 | return NestedNameSpecifierLoc(); | ||||
4317 | |||||
4318 | QualType T = TL.getType(); | ||||
4319 | if (T->isDependentType() || T->isRecordType() || | ||||
4320 | (SemaRef.getLangOpts().CPlusPlus11 && T->isEnumeralType())) { | ||||
4321 | if (T->isEnumeralType()) | ||||
4322 | SemaRef.Diag(TL.getBeginLoc(), | ||||
4323 | diag::warn_cxx98_compat_enum_nested_name_spec); | ||||
4324 | |||||
4325 | if (const auto ETL = TL.getAs<ElaboratedTypeLoc>()) { | ||||
4326 | SS.Adopt(ETL.getQualifierLoc()); | ||||
4327 | TL = ETL.getNamedTypeLoc(); | ||||
4328 | } | ||||
4329 | SS.Extend(SemaRef.Context, /*FIXME:*/ SourceLocation(), TL, | ||||
4330 | Q.getLocalEndLoc()); | ||||
4331 | break; | ||||
4332 | } | ||||
4333 | // If the nested-name-specifier is an invalid type def, don't emit an | ||||
4334 | // error because a previous error should have already been emitted. | ||||
4335 | TypedefTypeLoc TTL = TL.getAsAdjusted<TypedefTypeLoc>(); | ||||
4336 | if (!TTL || !TTL.getTypedefNameDecl()->isInvalidDecl()) { | ||||
4337 | SemaRef.Diag(TL.getBeginLoc(), diag::err_nested_name_spec_non_tag) | ||||
4338 | << T << SS.getRange(); | ||||
4339 | } | ||||
4340 | return NestedNameSpecifierLoc(); | ||||
4341 | } | ||||
4342 | } | ||||
4343 | |||||
4344 | // The qualifier-in-scope and object type only apply to the leftmost entity. | ||||
4345 | FirstQualifierInScope = nullptr; | ||||
4346 | ObjectType = QualType(); | ||||
4347 | } | ||||
4348 | |||||
4349 | // Don't rebuild the nested-name-specifier if we don't have to. | ||||
4350 | if (SS.getScopeRep() == NNS.getNestedNameSpecifier() && | ||||
4351 | !getDerived().AlwaysRebuild()) | ||||
4352 | return NNS; | ||||
4353 | |||||
4354 | // If we can re-use the source-location data from the original | ||||
4355 | // nested-name-specifier, do so. | ||||
4356 | if (SS.location_size() == NNS.getDataLength() && | ||||
4357 | memcmp(SS.location_data(), NNS.getOpaqueData(), SS.location_size()) == 0) | ||||
4358 | return NestedNameSpecifierLoc(SS.getScopeRep(), NNS.getOpaqueData()); | ||||
4359 | |||||
4360 | // Allocate new nested-name-specifier location information. | ||||
4361 | return SS.getWithLocInContext(SemaRef.Context); | ||||
4362 | } | ||||
4363 | |||||
4364 | template<typename Derived> | ||||
4365 | DeclarationNameInfo | ||||
4366 | TreeTransform<Derived> | ||||
4367 | ::TransformDeclarationNameInfo(const DeclarationNameInfo &NameInfo) { | ||||
4368 | DeclarationName Name = NameInfo.getName(); | ||||
4369 | if (!Name) | ||||
4370 | return DeclarationNameInfo(); | ||||
4371 | |||||
4372 | switch (Name.getNameKind()) { | ||||
4373 | case DeclarationName::Identifier: | ||||
4374 | case DeclarationName::ObjCZeroArgSelector: | ||||
4375 | case DeclarationName::ObjCOneArgSelector: | ||||
4376 | case DeclarationName::ObjCMultiArgSelector: | ||||
4377 | case DeclarationName::CXXOperatorName: | ||||
4378 | case DeclarationName::CXXLiteralOperatorName: | ||||
4379 | case DeclarationName::CXXUsingDirective: | ||||
4380 | return NameInfo; | ||||
4381 | |||||
4382 | case DeclarationName::CXXDeductionGuideName: { | ||||
4383 | TemplateDecl *OldTemplate = Name.getCXXDeductionGuideTemplate(); | ||||
4384 | TemplateDecl *NewTemplate = cast_or_null<TemplateDecl>( | ||||
4385 | getDerived().TransformDecl(NameInfo.getLoc(), OldTemplate)); | ||||
4386 | if (!NewTemplate) | ||||
4387 | return DeclarationNameInfo(); | ||||
4388 | |||||
4389 | DeclarationNameInfo NewNameInfo(NameInfo); | ||||
4390 | NewNameInfo.setName( | ||||
4391 | SemaRef.Context.DeclarationNames.getCXXDeductionGuideName(NewTemplate)); | ||||
4392 | return NewNameInfo; | ||||
4393 | } | ||||
4394 | |||||
4395 | case DeclarationName::CXXConstructorName: | ||||
4396 | case DeclarationName::CXXDestructorName: | ||||
4397 | case DeclarationName::CXXConversionFunctionName: { | ||||
4398 | TypeSourceInfo *NewTInfo; | ||||
4399 | CanQualType NewCanTy; | ||||
4400 | if (TypeSourceInfo *OldTInfo = NameInfo.getNamedTypeInfo()) { | ||||
4401 | NewTInfo = getDerived().TransformType(OldTInfo); | ||||
4402 | if (!NewTInfo) | ||||
4403 | return DeclarationNameInfo(); | ||||
4404 | NewCanTy = SemaRef.Context.getCanonicalType(NewTInfo->getType()); | ||||
4405 | } | ||||
4406 | else { | ||||
4407 | NewTInfo = nullptr; | ||||
4408 | TemporaryBase Rebase(*this, NameInfo.getLoc(), Name); | ||||
4409 | QualType NewT = getDerived().TransformType(Name.getCXXNameType()); | ||||
4410 | if (NewT.isNull()) | ||||
4411 | return DeclarationNameInfo(); | ||||
4412 | NewCanTy = SemaRef.Context.getCanonicalType(NewT); | ||||
4413 | } | ||||
4414 | |||||
4415 | DeclarationName NewName | ||||
4416 | = SemaRef.Context.DeclarationNames.getCXXSpecialName(Name.getNameKind(), | ||||
4417 | NewCanTy); | ||||
4418 | DeclarationNameInfo NewNameInfo(NameInfo); | ||||
4419 | NewNameInfo.setName(NewName); | ||||
4420 | NewNameInfo.setNamedTypeInfo(NewTInfo); | ||||
4421 | return NewNameInfo; | ||||
4422 | } | ||||
4423 | } | ||||
4424 | |||||
4425 | llvm_unreachable("Unknown name kind.")::llvm::llvm_unreachable_internal("Unknown name kind.", "clang/lib/Sema/TreeTransform.h" , 4425); | ||||
4426 | } | ||||
4427 | |||||
4428 | template<typename Derived> | ||||
4429 | TemplateName | ||||
4430 | TreeTransform<Derived>::TransformTemplateName(CXXScopeSpec &SS, | ||||
4431 | TemplateName Name, | ||||
4432 | SourceLocation NameLoc, | ||||
4433 | QualType ObjectType, | ||||
4434 | NamedDecl *FirstQualifierInScope, | ||||
4435 | bool AllowInjectedClassName) { | ||||
4436 | if (QualifiedTemplateName *QTN = Name.getAsQualifiedTemplateName()) { | ||||
4437 | TemplateDecl *Template = QTN->getUnderlyingTemplate().getAsTemplateDecl(); | ||||
4438 | assert(Template && "qualified template name must refer to a template")(static_cast <bool> (Template && "qualified template name must refer to a template" ) ? void (0) : __assert_fail ("Template && \"qualified template name must refer to a template\"" , "clang/lib/Sema/TreeTransform.h", 4438, __extension__ __PRETTY_FUNCTION__ )); | ||||
4439 | |||||
4440 | TemplateDecl *TransTemplate | ||||
4441 | = cast_or_null<TemplateDecl>(getDerived().TransformDecl(NameLoc, | ||||
4442 | Template)); | ||||
4443 | if (!TransTemplate) | ||||
4444 | return TemplateName(); | ||||
4445 | |||||
4446 | if (!getDerived().AlwaysRebuild() && | ||||
4447 | SS.getScopeRep() == QTN->getQualifier() && | ||||
4448 | TransTemplate == Template) | ||||
4449 | return Name; | ||||
4450 | |||||
4451 | return getDerived().RebuildTemplateName(SS, QTN->hasTemplateKeyword(), | ||||
4452 | TransTemplate); | ||||
4453 | } | ||||
4454 | |||||
4455 | if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { | ||||
4456 | if (SS.getScopeRep()) { | ||||
4457 | // These apply to the scope specifier, not the template. | ||||
4458 | ObjectType = QualType(); | ||||
4459 | FirstQualifierInScope = nullptr; | ||||
4460 | } | ||||
4461 | |||||
4462 | if (!getDerived().AlwaysRebuild() && | ||||
4463 | SS.getScopeRep() == DTN->getQualifier() && | ||||
4464 | ObjectType.isNull()) | ||||
4465 | return Name; | ||||
4466 | |||||
4467 | // FIXME: Preserve the location of the "template" keyword. | ||||
4468 | SourceLocation TemplateKWLoc = NameLoc; | ||||
4469 | |||||
4470 | if (DTN->isIdentifier()) { | ||||
4471 | return getDerived().RebuildTemplateName(SS, | ||||
4472 | TemplateKWLoc, | ||||
4473 | *DTN->getIdentifier(), | ||||
4474 | NameLoc, | ||||
4475 | ObjectType, | ||||
4476 | FirstQualifierInScope, | ||||
4477 | AllowInjectedClassName); | ||||
4478 | } | ||||
4479 | |||||
4480 | return getDerived().RebuildTemplateName(SS, TemplateKWLoc, | ||||
4481 | DTN->getOperator(), NameLoc, | ||||
4482 | ObjectType, AllowInjectedClassName); | ||||
4483 | } | ||||
4484 | |||||
4485 | if (TemplateDecl *Template = Name.getAsTemplateDecl()) { | ||||
4486 | TemplateDecl *TransTemplate | ||||
4487 | = cast_or_null<TemplateDecl>(getDerived().TransformDecl(NameLoc, | ||||
4488 | Template)); | ||||
4489 | if (!TransTemplate) | ||||
4490 | return TemplateName(); | ||||
4491 | |||||
4492 | if (!getDerived().AlwaysRebuild() && | ||||
4493 | TransTemplate == Template) | ||||
4494 | return Name; | ||||
4495 | |||||
4496 | return TemplateName(TransTemplate); | ||||
4497 | } | ||||
4498 | |||||
4499 | if (SubstTemplateTemplateParmPackStorage *SubstPack | ||||
4500 | = Name.getAsSubstTemplateTemplateParmPack()) { | ||||
4501 | return getDerived().RebuildTemplateName( | ||||
4502 | SubstPack->getArgumentPack(), SubstPack->getAssociatedDecl(), | ||||
4503 | SubstPack->getIndex(), SubstPack->getFinal()); | ||||
4504 | } | ||||
4505 | |||||
4506 | // These should be getting filtered out before they reach the AST. | ||||
4507 | llvm_unreachable("overloaded function decl survived to here")::llvm::llvm_unreachable_internal("overloaded function decl survived to here" , "clang/lib/Sema/TreeTransform.h", 4507); | ||||
4508 | } | ||||
4509 | |||||
4510 | template<typename Derived> | ||||
4511 | void TreeTransform<Derived>::InventTemplateArgumentLoc( | ||||
4512 | const TemplateArgument &Arg, | ||||
4513 | TemplateArgumentLoc &Output) { | ||||
4514 | Output = getSema().getTrivialTemplateArgumentLoc( | ||||
4515 | Arg, QualType(), getDerived().getBaseLocation()); | ||||
4516 | } | ||||
4517 | |||||
4518 | template <typename Derived> | ||||
4519 | bool TreeTransform<Derived>::TransformTemplateArgument( | ||||
4520 | const TemplateArgumentLoc &Input, TemplateArgumentLoc &Output, | ||||
4521 | bool Uneval) { | ||||
4522 | const TemplateArgument &Arg = Input.getArgument(); | ||||
4523 | switch (Arg.getKind()) { | ||||
4524 | case TemplateArgument::Null: | ||||
4525 | case TemplateArgument::Pack: | ||||
4526 | llvm_unreachable("Unexpected TemplateArgument")::llvm::llvm_unreachable_internal("Unexpected TemplateArgument" , "clang/lib/Sema/TreeTransform.h", 4526); | ||||
4527 | |||||
4528 | case TemplateArgument::Integral: | ||||
4529 | case TemplateArgument::NullPtr: | ||||
4530 | case TemplateArgument::Declaration: { | ||||
4531 | // Transform a resolved template argument straight to a resolved template | ||||
4532 | // argument. We get here when substituting into an already-substituted | ||||
4533 | // template type argument during concept satisfaction checking. | ||||
4534 | QualType T = Arg.getNonTypeTemplateArgumentType(); | ||||
4535 | QualType NewT = getDerived().TransformType(T); | ||||
4536 | if (NewT.isNull()) | ||||
4537 | return true; | ||||
4538 | |||||
4539 | ValueDecl *D = Arg.getKind() == TemplateArgument::Declaration | ||||
4540 | ? Arg.getAsDecl() | ||||
4541 | : nullptr; | ||||
4542 | ValueDecl *NewD = D ? cast_or_null<ValueDecl>(getDerived().TransformDecl( | ||||
4543 | getDerived().getBaseLocation(), D)) | ||||
4544 | : nullptr; | ||||
4545 | if (D && !NewD) | ||||
4546 | return true; | ||||
4547 | |||||
4548 | if (NewT == T && D == NewD) | ||||
4549 | Output = Input; | ||||
4550 | else if (Arg.getKind() == TemplateArgument::Integral) | ||||
4551 | Output = TemplateArgumentLoc( | ||||
4552 | TemplateArgument(getSema().Context, Arg.getAsIntegral(), NewT), | ||||
4553 | TemplateArgumentLocInfo()); | ||||
4554 | else if (Arg.getKind() == TemplateArgument::NullPtr) | ||||
4555 | Output = TemplateArgumentLoc(TemplateArgument(NewT, /*IsNullPtr=*/true), | ||||
4556 | TemplateArgumentLocInfo()); | ||||
4557 | else | ||||
4558 | Output = TemplateArgumentLoc(TemplateArgument(NewD, NewT), | ||||
4559 | TemplateArgumentLocInfo()); | ||||
4560 | |||||
4561 | return false; | ||||
4562 | } | ||||
4563 | |||||
4564 | case TemplateArgument::Type: { | ||||
4565 | TypeSourceInfo *DI = Input.getTypeSourceInfo(); | ||||
4566 | if (!DI) | ||||
4567 | DI = InventTypeSourceInfo(Input.getArgument().getAsType()); | ||||
4568 | |||||
4569 | DI = getDerived().TransformType(DI); | ||||
4570 | if (!DI) | ||||
4571 | return true; | ||||
4572 | |||||
4573 | Output = TemplateArgumentLoc(TemplateArgument(DI->getType()), DI); | ||||
4574 | return false; | ||||
4575 | } | ||||
4576 | |||||
4577 | case TemplateArgument::Template: { | ||||
4578 | NestedNameSpecifierLoc QualifierLoc = Input.getTemplateQualifierLoc(); | ||||
4579 | if (QualifierLoc) { | ||||
4580 | QualifierLoc = getDerived().TransformNestedNameSpecifierLoc(QualifierLoc); | ||||
4581 | if (!QualifierLoc) | ||||
4582 | return true; | ||||
4583 | } | ||||
4584 | |||||
4585 | CXXScopeSpec SS; | ||||
4586 | SS.Adopt(QualifierLoc); | ||||
4587 | TemplateName Template = getDerived().TransformTemplateName( | ||||
4588 | SS, Arg.getAsTemplate(), Input.getTemplateNameLoc()); | ||||
4589 | if (Template.isNull()) | ||||
4590 | return true; | ||||
4591 | |||||
4592 | Output = TemplateArgumentLoc(SemaRef.Context, TemplateArgument(Template), | ||||
4593 | QualifierLoc, Input.getTemplateNameLoc()); | ||||
4594 | return false; | ||||
4595 | } | ||||
4596 | |||||
4597 | case TemplateArgument::TemplateExpansion: | ||||
4598 | llvm_unreachable("Caller should expand pack expansions")::llvm::llvm_unreachable_internal("Caller should expand pack expansions" , "clang/lib/Sema/TreeTransform.h", 4598); | ||||
4599 | |||||
4600 | case TemplateArgument::Expression: { | ||||
4601 | // Template argument expressions are constant expressions. | ||||
4602 | EnterExpressionEvaluationContext Unevaluated( | ||||
4603 | getSema(), | ||||
4604 | Uneval ? Sema::ExpressionEvaluationContext::Unevaluated | ||||
4605 | : Sema::ExpressionEvaluationContext::ConstantEvaluated, | ||||
4606 | Sema::ReuseLambdaContextDecl, /*ExprContext=*/ | ||||
4607 | Sema::ExpressionEvaluationContextRecord::EK_TemplateArgument); | ||||
4608 | |||||
4609 | Expr *InputExpr = Input.getSourceExpression(); | ||||
4610 | if (!InputExpr) | ||||
4611 | InputExpr = Input.getArgument().getAsExpr(); | ||||
4612 | |||||
4613 | ExprResult E = getDerived().TransformExpr(InputExpr); | ||||
4614 | E = SemaRef.ActOnConstantExpression(E); | ||||
4615 | if (E.isInvalid()) | ||||
4616 | return true; | ||||
4617 | Output = TemplateArgumentLoc(TemplateArgument(E.get()), E.get()); | ||||
4618 | return false; | ||||
4619 | } | ||||
4620 | } | ||||
4621 | |||||
4622 | // Work around bogus GCC warning | ||||
4623 | return true; | ||||
4624 | } | ||||
4625 | |||||
4626 | /// Iterator adaptor that invents template argument location information | ||||
4627 | /// for each of the template arguments in its underlying iterator. | ||||
4628 | template<typename Derived, typename InputIterator> | ||||
4629 | class TemplateArgumentLocInventIterator { | ||||
4630 | TreeTransform<Derived> &Self; | ||||
4631 | InputIterator Iter; | ||||
4632 | |||||
4633 | public: | ||||
4634 | typedef TemplateArgumentLoc value_type; | ||||
4635 | typedef TemplateArgumentLoc reference; | ||||
4636 | typedef typename std::iterator_traits<InputIterator>::difference_type | ||||
4637 | difference_type; | ||||
4638 | typedef std::input_iterator_tag iterator_category; | ||||
4639 | |||||
4640 | class pointer { | ||||
4641 | TemplateArgumentLoc Arg; | ||||
4642 | |||||
4643 | public: | ||||
4644 | explicit pointer(TemplateArgumentLoc Arg) : Arg(Arg) { } | ||||
4645 | |||||
4646 | const TemplateArgumentLoc *operator->() const { return &Arg; } | ||||
4647 | }; | ||||
4648 | |||||
4649 | TemplateArgumentLocInventIterator() { } | ||||
4650 | |||||
4651 | explicit TemplateArgumentLocInventIterator(TreeTransform<Derived> &Self, | ||||
4652 | InputIterator Iter) | ||||
4653 | : Self(Self), Iter(Iter) { } | ||||
4654 | |||||
4655 | TemplateArgumentLocInventIterator &operator++() { | ||||
4656 | ++Iter; | ||||
4657 | return *this; | ||||
4658 | } | ||||
4659 | |||||
4660 | TemplateArgumentLocInventIterator operator++(int) { | ||||
4661 | TemplateArgumentLocInventIterator Old(*this); | ||||
4662 | ++(*this); | ||||
4663 | return Old; | ||||
4664 | } | ||||
4665 | |||||
4666 | reference operator*() const { | ||||
4667 | TemplateArgumentLoc Result; | ||||
4668 | Self.InventTemplateArgumentLoc(*Iter, Result); | ||||
4669 | return Result; | ||||
4670 | } | ||||
4671 | |||||
4672 | pointer operator->() const { return pointer(**this); } | ||||
4673 | |||||
4674 | friend bool operator==(const TemplateArgumentLocInventIterator &X, | ||||
4675 | const TemplateArgumentLocInventIterator &Y) { | ||||
4676 | return X.Iter == Y.Iter; | ||||
4677 | } | ||||
4678 | |||||
4679 | friend bool operator!=(const TemplateArgumentLocInventIterator &X, | ||||
4680 | const TemplateArgumentLocInventIterator &Y) { | ||||
4681 | return X.Iter != Y.Iter; | ||||
4682 | } | ||||
4683 | }; | ||||
4684 | |||||
4685 | template<typename Derived> | ||||
4686 | template<typename InputIterator> | ||||
4687 | bool TreeTransform<Derived>::TransformTemplateArguments( | ||||
4688 | InputIterator First, InputIterator Last, TemplateArgumentListInfo &Outputs, | ||||
4689 | bool Uneval) { | ||||
4690 | for (; First != Last; ++First) { | ||||
4691 | TemplateArgumentLoc Out; | ||||
4692 | TemplateArgumentLoc In = *First; | ||||
4693 | |||||
4694 | if (In.getArgument().getKind() == TemplateArgument::Pack) { | ||||
4695 | // Unpack argument packs, which we translate them into separate | ||||
4696 | // arguments. | ||||
4697 | // FIXME: We could do much better if we could guarantee that the | ||||
4698 | // TemplateArgumentLocInfo for the pack expansion would be usable for | ||||
4699 | // all of the template arguments in the argument pack. | ||||
4700 | typedef TemplateArgumentLocInventIterator<Derived, | ||||
4701 | TemplateArgument::pack_iterator> | ||||
4702 | PackLocIterator; | ||||
4703 | if (TransformTemplateArguments(PackLocIterator(*this, | ||||
4704 | In.getArgument().pack_begin()), | ||||
4705 | PackLocIterator(*this, | ||||
4706 | In.getArgument().pack_end()), | ||||
4707 | Outputs, Uneval)) | ||||
4708 | return true; | ||||
4709 | |||||
4710 | continue; | ||||
4711 | } | ||||
4712 | |||||
4713 | if (In.getArgument().isPackExpansion()) { | ||||
4714 | // We have a pack expansion, for which we will be substituting into | ||||
4715 | // the pattern. | ||||
4716 | SourceLocation Ellipsis; | ||||
4717 | std::optional<unsigned> OrigNumExpansions; | ||||
4718 | TemplateArgumentLoc Pattern | ||||
4719 | = getSema().getTemplateArgumentPackExpansionPattern( | ||||
4720 | In, Ellipsis, OrigNumExpansions); | ||||
4721 | |||||
4722 | SmallVector<UnexpandedParameterPack, 2> Unexpanded; | ||||
4723 | getSema().collectUnexpandedParameterPacks(Pattern, Unexpanded); | ||||
4724 | assert(!Unexpanded.empty() && "Pack expansion without parameter packs?")(static_cast <bool> (!Unexpanded.empty() && "Pack expansion without parameter packs?" ) ? void (0) : __assert_fail ("!Unexpanded.empty() && \"Pack expansion without parameter packs?\"" , "clang/lib/Sema/TreeTransform.h", 4724, __extension__ __PRETTY_FUNCTION__ )); | ||||
4725 | |||||
4726 | // Determine whether the set of unexpanded parameter packs can and should | ||||
4727 | // be expanded. | ||||
4728 | bool Expand = true; | ||||
4729 | bool RetainExpansion = false; | ||||
4730 | std::optional<unsigned> NumExpansions = OrigNumExpansions; | ||||
4731 | if (getDerived().TryExpandParameterPacks(Ellipsis, | ||||
4732 | Pattern.getSourceRange(), | ||||
4733 | Unexpanded, | ||||
4734 | Expand, | ||||
4735 | RetainExpansion, | ||||
4736 | NumExpansions)) | ||||
4737 | return true; | ||||
4738 | |||||
4739 | if (!Expand) { | ||||
4740 | // The transform has determined that we should perform a simple | ||||
4741 | // transformation on the pack expansion, producing another pack | ||||
4742 | // expansion. | ||||
4743 | TemplateArgumentLoc OutPattern; | ||||
4744 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), -1); | ||||
4745 | if (getDerived().TransformTemplateArgument(Pattern, OutPattern, Uneval)) | ||||
4746 | return true; | ||||
4747 | |||||
4748 | Out = getDerived().RebuildPackExpansion(OutPattern, Ellipsis, | ||||
4749 | NumExpansions); | ||||
4750 | if (Out.getArgument().isNull()) | ||||
4751 | return true; | ||||
4752 | |||||
4753 | Outputs.addArgument(Out); | ||||
4754 | continue; | ||||
4755 | } | ||||
4756 | |||||
4757 | // The transform has determined that we should perform an elementwise | ||||
4758 | // expansion of the pattern. Do so. | ||||
4759 | for (unsigned I = 0; I != *NumExpansions; ++I) { | ||||
4760 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), I); | ||||
4761 | |||||
4762 | if (getDerived().TransformTemplateArgument(Pattern, Out, Uneval)) | ||||
4763 | return true; | ||||
4764 | |||||
4765 | if (Out.getArgument().containsUnexpandedParameterPack()) { | ||||
4766 | Out = getDerived().RebuildPackExpansion(Out, Ellipsis, | ||||
4767 | OrigNumExpansions); | ||||
4768 | if (Out.getArgument().isNull()) | ||||
4769 | return true; | ||||
4770 | } | ||||
4771 | |||||
4772 | Outputs.addArgument(Out); | ||||
4773 | } | ||||
4774 | |||||
4775 | // If we're supposed to retain a pack expansion, do so by temporarily | ||||
4776 | // forgetting the partially-substituted parameter pack. | ||||
4777 | if (RetainExpansion) { | ||||
4778 | ForgetPartiallySubstitutedPackRAII Forget(getDerived()); | ||||
4779 | |||||
4780 | if (getDerived().TransformTemplateArgument(Pattern, Out, Uneval)) | ||||
4781 | return true; | ||||
4782 | |||||
4783 | Out = getDerived().RebuildPackExpansion(Out, Ellipsis, | ||||
4784 | OrigNumExpansions); | ||||
4785 | if (Out.getArgument().isNull()) | ||||
4786 | return true; | ||||
4787 | |||||
4788 | Outputs.addArgument(Out); | ||||
4789 | } | ||||
4790 | |||||
4791 | continue; | ||||
4792 | } | ||||
4793 | |||||
4794 | // The simple case: | ||||
4795 | if (getDerived().TransformTemplateArgument(In, Out, Uneval)) | ||||
4796 | return true; | ||||
4797 | |||||
4798 | Outputs.addArgument(Out); | ||||
4799 | } | ||||
4800 | |||||
4801 | return false; | ||||
4802 | |||||
4803 | } | ||||
4804 | |||||
4805 | //===----------------------------------------------------------------------===// | ||||
4806 | // Type transformation | ||||
4807 | //===----------------------------------------------------------------------===// | ||||
4808 | |||||
4809 | template<typename Derived> | ||||
4810 | QualType TreeTransform<Derived>::TransformType(QualType T) { | ||||
4811 | if (getDerived().AlreadyTransformed(T)) | ||||
4812 | return T; | ||||
4813 | |||||
4814 | // Temporary workaround. All of these transformations should | ||||
4815 | // eventually turn into transformations on TypeLocs. | ||||
4816 | TypeSourceInfo *DI = getSema().Context.getTrivialTypeSourceInfo(T, | ||||
4817 | getDerived().getBaseLocation()); | ||||
4818 | |||||
4819 | TypeSourceInfo *NewDI = getDerived().TransformType(DI); | ||||
4820 | |||||
4821 | if (!NewDI) | ||||
4822 | return QualType(); | ||||
4823 | |||||
4824 | return NewDI->getType(); | ||||
4825 | } | ||||
4826 | |||||
4827 | template<typename Derived> | ||||
4828 | TypeSourceInfo *TreeTransform<Derived>::TransformType(TypeSourceInfo *DI) { | ||||
4829 | // Refine the base location to the type's location. | ||||
4830 | TemporaryBase Rebase(*this, DI->getTypeLoc().getBeginLoc(), | ||||
4831 | getDerived().getBaseEntity()); | ||||
4832 | if (getDerived().AlreadyTransformed(DI->getType())) | ||||
4833 | return DI; | ||||
4834 | |||||
4835 | TypeLocBuilder TLB; | ||||
4836 | |||||
4837 | TypeLoc TL = DI->getTypeLoc(); | ||||
4838 | TLB.reserve(TL.getFullDataSize()); | ||||
4839 | |||||
4840 | QualType Result = getDerived().TransformType(TLB, TL); | ||||
4841 | if (Result.isNull()) | ||||
4842 | return nullptr; | ||||
4843 | |||||
4844 | return TLB.getTypeSourceInfo(SemaRef.Context, Result); | ||||
4845 | } | ||||
4846 | |||||
4847 | template<typename Derived> | ||||
4848 | QualType | ||||
4849 | TreeTransform<Derived>::TransformType(TypeLocBuilder &TLB, TypeLoc T) { | ||||
4850 | switch (T.getTypeLocClass()) { | ||||
4851 | #define ABSTRACT_TYPELOC(CLASS, PARENT) | ||||
4852 | #define TYPELOC(CLASS, PARENT) \ | ||||
4853 | case TypeLoc::CLASS: \ | ||||
4854 | return getDerived().Transform##CLASS##Type(TLB, \ | ||||
4855 | T.castAs<CLASS##TypeLoc>()); | ||||
4856 | #include "clang/AST/TypeLocNodes.def" | ||||
4857 | } | ||||
4858 | |||||
4859 | llvm_unreachable("unhandled type loc!")::llvm::llvm_unreachable_internal("unhandled type loc!", "clang/lib/Sema/TreeTransform.h" , 4859); | ||||
4860 | } | ||||
4861 | |||||
4862 | template<typename Derived> | ||||
4863 | QualType TreeTransform<Derived>::TransformTypeWithDeducedTST(QualType T) { | ||||
4864 | if (!isa<DependentNameType>(T)) | ||||
4865 | return TransformType(T); | ||||
4866 | |||||
4867 | if (getDerived().AlreadyTransformed(T)) | ||||
4868 | return T; | ||||
4869 | TypeSourceInfo *DI = getSema().Context.getTrivialTypeSourceInfo(T, | ||||
4870 | getDerived().getBaseLocation()); | ||||
4871 | TypeSourceInfo *NewDI = getDerived().TransformTypeWithDeducedTST(DI); | ||||
4872 | return NewDI ? NewDI->getType() : QualType(); | ||||
4873 | } | ||||
4874 | |||||
4875 | template<typename Derived> | ||||
4876 | TypeSourceInfo * | ||||
4877 | TreeTransform<Derived>::TransformTypeWithDeducedTST(TypeSourceInfo *DI) { | ||||
4878 | if (!isa<DependentNameType>(DI->getType())) | ||||
4879 | return TransformType(DI); | ||||
4880 | |||||
4881 | // Refine the base location to the type's location. | ||||
4882 | TemporaryBase Rebase(*this, DI->getTypeLoc().getBeginLoc(), | ||||
4883 | getDerived().getBaseEntity()); | ||||
4884 | if (getDerived().AlreadyTransformed(DI->getType())) | ||||
4885 | return DI; | ||||
4886 | |||||
4887 | TypeLocBuilder TLB; | ||||
4888 | |||||
4889 | TypeLoc TL = DI->getTypeLoc(); | ||||
4890 | TLB.reserve(TL.getFullDataSize()); | ||||
4891 | |||||
4892 | auto QTL = TL.getAs<QualifiedTypeLoc>(); | ||||
4893 | if (QTL) | ||||
4894 | TL = QTL.getUnqualifiedLoc(); | ||||
4895 | |||||
4896 | auto DNTL = TL.castAs<DependentNameTypeLoc>(); | ||||
4897 | |||||
4898 | QualType Result = getDerived().TransformDependentNameType( | ||||
4899 | TLB, DNTL, /*DeducedTSTContext*/true); | ||||
4900 | if (Result.isNull()) | ||||
4901 | return nullptr; | ||||
4902 | |||||
4903 | if (QTL) { | ||||
4904 | Result = getDerived().RebuildQualifiedType(Result, QTL); | ||||
4905 | if (Result.isNull()) | ||||
4906 | return nullptr; | ||||
4907 | TLB.TypeWasModifiedSafely(Result); | ||||
4908 | } | ||||
4909 | |||||
4910 | return TLB.getTypeSourceInfo(SemaRef.Context, Result); | ||||
4911 | } | ||||
4912 | |||||
4913 | template<typename Derived> | ||||
4914 | QualType | ||||
4915 | TreeTransform<Derived>::TransformQualifiedType(TypeLocBuilder &TLB, | ||||
4916 | QualifiedTypeLoc T) { | ||||
4917 | QualType Result; | ||||
4918 | TypeLoc UnqualTL = T.getUnqualifiedLoc(); | ||||
4919 | auto SuppressObjCLifetime = | ||||
4920 | T.getType().getLocalQualifiers().hasObjCLifetime(); | ||||
4921 | if (auto TTP = UnqualTL.getAs<TemplateTypeParmTypeLoc>()) { | ||||
4922 | Result = getDerived().TransformTemplateTypeParmType(TLB, TTP, | ||||
4923 | SuppressObjCLifetime); | ||||
4924 | } else if (auto STTP = UnqualTL.getAs<SubstTemplateTypeParmPackTypeLoc>()) { | ||||
4925 | Result = getDerived().TransformSubstTemplateTypeParmPackType( | ||||
4926 | TLB, STTP, SuppressObjCLifetime); | ||||
4927 | } else { | ||||
4928 | Result = getDerived().TransformType(TLB, UnqualTL); | ||||
4929 | } | ||||
4930 | |||||
4931 | if (Result.isNull()) | ||||
4932 | return QualType(); | ||||
4933 | |||||
4934 | Result = getDerived().RebuildQualifiedType(Result, T); | ||||
4935 | |||||
4936 | if (Result.isNull()) | ||||
4937 | return QualType(); | ||||
4938 | |||||
4939 | // RebuildQualifiedType might have updated the type, but not in a way | ||||
4940 | // that invalidates the TypeLoc. (There's no location information for | ||||
4941 | // qualifiers.) | ||||
4942 | TLB.TypeWasModifiedSafely(Result); | ||||
4943 | |||||
4944 | return Result; | ||||
4945 | } | ||||
4946 | |||||
4947 | template <typename Derived> | ||||
4948 | QualType TreeTransform<Derived>::RebuildQualifiedType(QualType T, | ||||
4949 | QualifiedTypeLoc TL) { | ||||
4950 | |||||
4951 | SourceLocation Loc = TL.getBeginLoc(); | ||||
4952 | Qualifiers Quals = TL.getType().getLocalQualifiers(); | ||||
4953 | |||||
4954 | if ((T.getAddressSpace() != LangAS::Default && | ||||
4955 | Quals.getAddressSpace() != LangAS::Default) && | ||||
4956 | T.getAddressSpace() != Quals.getAddressSpace()) { | ||||
4957 | SemaRef.Diag(Loc, diag::err_address_space_mismatch_templ_inst) | ||||
4958 | << TL.getType() << T; | ||||
4959 | return QualType(); | ||||
4960 | } | ||||
4961 | |||||
4962 | // C++ [dcl.fct]p7: | ||||
4963 | // [When] adding cv-qualifications on top of the function type [...] the | ||||
4964 | // cv-qualifiers are ignored. | ||||
4965 | if (T->isFunctionType()) { | ||||
4966 | T = SemaRef.getASTContext().getAddrSpaceQualType(T, | ||||
4967 | Quals.getAddressSpace()); | ||||
4968 | return T; | ||||
4969 | } | ||||
4970 | |||||
4971 | // C++ [dcl.ref]p1: | ||||
4972 | // when the cv-qualifiers are introduced through the use of a typedef-name | ||||
4973 | // or decltype-specifier [...] the cv-qualifiers are ignored. | ||||
4974 | // Note that [dcl.ref]p1 lists all cases in which cv-qualifiers can be | ||||
4975 | // applied to a reference type. | ||||
4976 | if (T->isReferenceType()) { | ||||
4977 | // The only qualifier that applies to a reference type is restrict. | ||||
4978 | if (!Quals.hasRestrict()) | ||||
4979 | return T; | ||||
4980 | Quals = Qualifiers::fromCVRMask(Qualifiers::Restrict); | ||||
4981 | } | ||||
4982 | |||||
4983 | // Suppress Objective-C lifetime qualifiers if they don't make sense for the | ||||
4984 | // resulting type. | ||||
4985 | if (Quals.hasObjCLifetime()) { | ||||
4986 | if (!T->isObjCLifetimeType() && !T->isDependentType()) | ||||
4987 | Quals.removeObjCLifetime(); | ||||
4988 | else if (T.getObjCLifetime()) { | ||||
4989 | // Objective-C ARC: | ||||
4990 | // A lifetime qualifier applied to a substituted template parameter | ||||
4991 | // overrides the lifetime qualifier from the template argument. | ||||
4992 | const AutoType *AutoTy; | ||||
4993 | if ((AutoTy = dyn_cast<AutoType>(T)) && AutoTy->isDeduced()) { | ||||
4994 | // 'auto' types behave the same way as template parameters. | ||||
4995 | QualType Deduced = AutoTy->getDeducedType(); | ||||
4996 | Qualifiers Qs = Deduced.getQualifiers(); | ||||
4997 | Qs.removeObjCLifetime(); | ||||
4998 | Deduced = | ||||
4999 | SemaRef.Context.getQualifiedType(Deduced.getUnqualifiedType(), Qs); | ||||
5000 | T = SemaRef.Context.getAutoType(Deduced, AutoTy->getKeyword(), | ||||
5001 | AutoTy->isDependentType(), | ||||
5002 | /*isPack=*/false, | ||||
5003 | AutoTy->getTypeConstraintConcept(), | ||||
5004 | AutoTy->getTypeConstraintArguments()); | ||||
5005 | } else { | ||||
5006 | // Otherwise, complain about the addition of a qualifier to an | ||||
5007 | // already-qualified type. | ||||
5008 | // FIXME: Why is this check not in Sema::BuildQualifiedType? | ||||
5009 | SemaRef.Diag(Loc, diag::err_attr_objc_ownership_redundant) << T; | ||||
5010 | Quals.removeObjCLifetime(); | ||||
5011 | } | ||||
5012 | } | ||||
5013 | } | ||||
5014 | |||||
5015 | return SemaRef.BuildQualifiedType(T, Loc, Quals); | ||||
5016 | } | ||||
5017 | |||||
5018 | template<typename Derived> | ||||
5019 | TypeLoc | ||||
5020 | TreeTransform<Derived>::TransformTypeInObjectScope(TypeLoc TL, | ||||
5021 | QualType ObjectType, | ||||
5022 | NamedDecl *UnqualLookup, | ||||
5023 | CXXScopeSpec &SS) { | ||||
5024 | if (getDerived().AlreadyTransformed(TL.getType())) | ||||
5025 | return TL; | ||||
5026 | |||||
5027 | TypeSourceInfo *TSI = | ||||
5028 | TransformTSIInObjectScope(TL, ObjectType, UnqualLookup, SS); | ||||
5029 | if (TSI) | ||||
5030 | return TSI->getTypeLoc(); | ||||
5031 | return TypeLoc(); | ||||
5032 | } | ||||
5033 | |||||
5034 | template<typename Derived> | ||||
5035 | TypeSourceInfo * | ||||
5036 | TreeTransform<Derived>::TransformTypeInObjectScope(TypeSourceInfo *TSInfo, | ||||
5037 | QualType ObjectType, | ||||
5038 | NamedDecl *UnqualLookup, | ||||
5039 | CXXScopeSpec &SS) { | ||||
5040 | if (getDerived().AlreadyTransformed(TSInfo->getType())) | ||||
5041 | return TSInfo; | ||||
5042 | |||||
5043 | return TransformTSIInObjectScope(TSInfo->getTypeLoc(), ObjectType, | ||||
5044 | UnqualLookup, SS); | ||||
5045 | } | ||||
5046 | |||||
5047 | template <typename Derived> | ||||
5048 | TypeSourceInfo *TreeTransform<Derived>::TransformTSIInObjectScope( | ||||
5049 | TypeLoc TL, QualType ObjectType, NamedDecl *UnqualLookup, | ||||
5050 | CXXScopeSpec &SS) { | ||||
5051 | QualType T = TL.getType(); | ||||
5052 | assert(!getDerived().AlreadyTransformed(T))(static_cast <bool> (!getDerived().AlreadyTransformed(T )) ? void (0) : __assert_fail ("!getDerived().AlreadyTransformed(T)" , "clang/lib/Sema/TreeTransform.h", 5052, __extension__ __PRETTY_FUNCTION__ )); | ||||
5053 | |||||
5054 | TypeLocBuilder TLB; | ||||
5055 | QualType Result; | ||||
5056 | |||||
5057 | if (isa<TemplateSpecializationType>(T)) { | ||||
5058 | TemplateSpecializationTypeLoc SpecTL = | ||||
5059 | TL.castAs<TemplateSpecializationTypeLoc>(); | ||||
5060 | |||||
5061 | TemplateName Template = getDerived().TransformTemplateName( | ||||
5062 | SS, SpecTL.getTypePtr()->getTemplateName(), SpecTL.getTemplateNameLoc(), | ||||
5063 | ObjectType, UnqualLookup, /*AllowInjectedClassName*/true); | ||||
5064 | if (Template.isNull()) | ||||
5065 | return nullptr; | ||||
5066 | |||||
5067 | Result = getDerived().TransformTemplateSpecializationType(TLB, SpecTL, | ||||
5068 | Template); | ||||
5069 | } else if (isa<DependentTemplateSpecializationType>(T)) { | ||||
5070 | DependentTemplateSpecializationTypeLoc SpecTL = | ||||
5071 | TL.castAs<DependentTemplateSpecializationTypeLoc>(); | ||||
5072 | |||||
5073 | TemplateName Template | ||||
5074 | = getDerived().RebuildTemplateName(SS, | ||||
5075 | SpecTL.getTemplateKeywordLoc(), | ||||
5076 | *SpecTL.getTypePtr()->getIdentifier(), | ||||
5077 | SpecTL.getTemplateNameLoc(), | ||||
5078 | ObjectType, UnqualLookup, | ||||
5079 | /*AllowInjectedClassName*/true); | ||||
5080 | if (Template.isNull()) | ||||
5081 | return nullptr; | ||||
5082 | |||||
5083 | Result = getDerived().TransformDependentTemplateSpecializationType(TLB, | ||||
5084 | SpecTL, | ||||
5085 | Template, | ||||
5086 | SS); | ||||
5087 | } else { | ||||
5088 | // Nothing special needs to be done for these. | ||||
5089 | Result = getDerived().TransformType(TLB, TL); | ||||
5090 | } | ||||
5091 | |||||
5092 | if (Result.isNull()) | ||||
5093 | return nullptr; | ||||
5094 | |||||
5095 | return TLB.getTypeSourceInfo(SemaRef.Context, Result); | ||||
5096 | } | ||||
5097 | |||||
5098 | template <class TyLoc> static inline | ||||
5099 | QualType TransformTypeSpecType(TypeLocBuilder &TLB, TyLoc T) { | ||||
5100 | TyLoc NewT = TLB.push<TyLoc>(T.getType()); | ||||
5101 | NewT.setNameLoc(T.getNameLoc()); | ||||
5102 | return T.getType(); | ||||
5103 | } | ||||
5104 | |||||
5105 | template<typename Derived> | ||||
5106 | QualType TreeTransform<Derived>::TransformBuiltinType(TypeLocBuilder &TLB, | ||||
5107 | BuiltinTypeLoc T) { | ||||
5108 | BuiltinTypeLoc NewT = TLB.push<BuiltinTypeLoc>(T.getType()); | ||||
5109 | NewT.setBuiltinLoc(T.getBuiltinLoc()); | ||||
5110 | if (T.needsExtraLocalData()) | ||||
5111 | NewT.getWrittenBuiltinSpecs() = T.getWrittenBuiltinSpecs(); | ||||
5112 | return T.getType(); | ||||
5113 | } | ||||
5114 | |||||
5115 | template<typename Derived> | ||||
5116 | QualType TreeTransform<Derived>::TransformComplexType(TypeLocBuilder &TLB, | ||||
5117 | ComplexTypeLoc T) { | ||||
5118 | // FIXME: recurse? | ||||
5119 | return TransformTypeSpecType(TLB, T); | ||||
5120 | } | ||||
5121 | |||||
5122 | template <typename Derived> | ||||
5123 | QualType TreeTransform<Derived>::TransformAdjustedType(TypeLocBuilder &TLB, | ||||
5124 | AdjustedTypeLoc TL) { | ||||
5125 | // Adjustments applied during transformation are handled elsewhere. | ||||
5126 | return getDerived().TransformType(TLB, TL.getOriginalLoc()); | ||||
5127 | } | ||||
5128 | |||||
5129 | template<typename Derived> | ||||
5130 | QualType TreeTransform<Derived>::TransformDecayedType(TypeLocBuilder &TLB, | ||||
5131 | DecayedTypeLoc TL) { | ||||
5132 | QualType OriginalType = getDerived().TransformType(TLB, TL.getOriginalLoc()); | ||||
5133 | if (OriginalType.isNull()) | ||||
5134 | return QualType(); | ||||
5135 | |||||
5136 | QualType Result = TL.getType(); | ||||
5137 | if (getDerived().AlwaysRebuild() || | ||||
5138 | OriginalType != TL.getOriginalLoc().getType()) | ||||
5139 | Result = SemaRef.Context.getDecayedType(OriginalType); | ||||
5140 | TLB.push<DecayedTypeLoc>(Result); | ||||
5141 | // Nothing to set for DecayedTypeLoc. | ||||
5142 | return Result; | ||||
5143 | } | ||||
5144 | |||||
5145 | template<typename Derived> | ||||
5146 | QualType TreeTransform<Derived>::TransformPointerType(TypeLocBuilder &TLB, | ||||
5147 | PointerTypeLoc TL) { | ||||
5148 | QualType PointeeType | ||||
5149 | = getDerived().TransformType(TLB, TL.getPointeeLoc()); | ||||
5150 | if (PointeeType.isNull()) | ||||
5151 | return QualType(); | ||||
5152 | |||||
5153 | QualType Result = TL.getType(); | ||||
5154 | if (PointeeType->getAs<ObjCObjectType>()) { | ||||
5155 | // A dependent pointer type 'T *' has is being transformed such | ||||
5156 | // that an Objective-C class type is being replaced for 'T'. The | ||||
5157 | // resulting pointer type is an ObjCObjectPointerType, not a | ||||
5158 | // PointerType. | ||||
5159 | Result = SemaRef.Context.getObjCObjectPointerType(PointeeType); | ||||
5160 | |||||
5161 | ObjCObjectPointerTypeLoc NewT = TLB.push<ObjCObjectPointerTypeLoc>(Result); | ||||
5162 | NewT.setStarLoc(TL.getStarLoc()); | ||||
5163 | return Result; | ||||
5164 | } | ||||
5165 | |||||
5166 | if (getDerived().AlwaysRebuild() || | ||||
5167 | PointeeType != TL.getPointeeLoc().getType()) { | ||||
5168 | Result = getDerived().RebuildPointerType(PointeeType, TL.getSigilLoc()); | ||||
5169 | if (Result.isNull()) | ||||
5170 | return QualType(); | ||||
5171 | } | ||||
5172 | |||||
5173 | // Objective-C ARC can add lifetime qualifiers to the type that we're | ||||
5174 | // pointing to. | ||||
5175 | TLB.TypeWasModifiedSafely(Result->getPointeeType()); | ||||
5176 | |||||
5177 | PointerTypeLoc NewT = TLB.push<PointerTypeLoc>(Result); | ||||
5178 | NewT.setSigilLoc(TL.getSigilLoc()); | ||||
5179 | return Result; | ||||
5180 | } | ||||
5181 | |||||
5182 | template<typename Derived> | ||||
5183 | QualType | ||||
5184 | TreeTransform<Derived>::TransformBlockPointerType(TypeLocBuilder &TLB, | ||||
5185 | BlockPointerTypeLoc TL) { | ||||
5186 | QualType PointeeType | ||||
5187 | = getDerived().TransformType(TLB, TL.getPointeeLoc()); | ||||
5188 | if (PointeeType.isNull()) | ||||
5189 | return QualType(); | ||||
5190 | |||||
5191 | QualType Result = TL.getType(); | ||||
5192 | if (getDerived().AlwaysRebuild() || | ||||
5193 | PointeeType != TL.getPointeeLoc().getType()) { | ||||
5194 | Result = getDerived().RebuildBlockPointerType(PointeeType, | ||||
5195 | TL.getSigilLoc()); | ||||
5196 | if (Result.isNull()) | ||||
5197 | return QualType(); | ||||
5198 | } | ||||
5199 | |||||
5200 | BlockPointerTypeLoc NewT = TLB.push<BlockPointerTypeLoc>(Result); | ||||
5201 | NewT.setSigilLoc(TL.getSigilLoc()); | ||||
5202 | return Result; | ||||
5203 | } | ||||
5204 | |||||
5205 | /// Transforms a reference type. Note that somewhat paradoxically we | ||||
5206 | /// don't care whether the type itself is an l-value type or an r-value | ||||
5207 | /// type; we only care if the type was *written* as an l-value type | ||||
5208 | /// or an r-value type. | ||||
5209 | template<typename Derived> | ||||
5210 | QualType | ||||
5211 | TreeTransform<Derived>::TransformReferenceType(TypeLocBuilder &TLB, | ||||
5212 | ReferenceTypeLoc TL) { | ||||
5213 | const ReferenceType *T = TL.getTypePtr(); | ||||
5214 | |||||
5215 | // Note that this works with the pointee-as-written. | ||||
5216 | QualType PointeeType = getDerived().TransformType(TLB, TL.getPointeeLoc()); | ||||
5217 | if (PointeeType.isNull()) | ||||
5218 | return QualType(); | ||||
5219 | |||||
5220 | QualType Result = TL.getType(); | ||||
5221 | if (getDerived().AlwaysRebuild() || | ||||
5222 | PointeeType != T->getPointeeTypeAsWritten()) { | ||||
5223 | Result = getDerived().RebuildReferenceType(PointeeType, | ||||
5224 | T->isSpelledAsLValue(), | ||||
5225 | TL.getSigilLoc()); | ||||
5226 | if (Result.isNull()) | ||||
5227 | return QualType(); | ||||
5228 | } | ||||
5229 | |||||
5230 | // Objective-C ARC can add lifetime qualifiers to the type that we're | ||||
5231 | // referring to. | ||||
5232 | TLB.TypeWasModifiedSafely( | ||||
5233 | Result->castAs<ReferenceType>()->getPointeeTypeAsWritten()); | ||||
5234 | |||||
5235 | // r-value references can be rebuilt as l-value references. | ||||
5236 | ReferenceTypeLoc NewTL; | ||||
5237 | if (isa<LValueReferenceType>(Result)) | ||||
5238 | NewTL = TLB.push<LValueReferenceTypeLoc>(Result); | ||||
5239 | else | ||||
5240 | NewTL = TLB.push<RValueReferenceTypeLoc>(Result); | ||||
5241 | NewTL.setSigilLoc(TL.getSigilLoc()); | ||||
5242 | |||||
5243 | return Result; | ||||
5244 | } | ||||
5245 | |||||
5246 | template<typename Derived> | ||||
5247 | QualType | ||||
5248 | TreeTransform<Derived>::TransformLValueReferenceType(TypeLocBuilder &TLB, | ||||
5249 | LValueReferenceTypeLoc TL) { | ||||
5250 | return TransformReferenceType(TLB, TL); | ||||
5251 | } | ||||
5252 | |||||
5253 | template<typename Derived> | ||||
5254 | QualType | ||||
5255 | TreeTransform<Derived>::TransformRValueReferenceType(TypeLocBuilder &TLB, | ||||
5256 | RValueReferenceTypeLoc TL) { | ||||
5257 | return TransformReferenceType(TLB, TL); | ||||
5258 | } | ||||
5259 | |||||
5260 | template<typename Derived> | ||||
5261 | QualType | ||||
5262 | TreeTransform<Derived>::TransformMemberPointerType(TypeLocBuilder &TLB, | ||||
5263 | MemberPointerTypeLoc TL) { | ||||
5264 | QualType PointeeType = getDerived().TransformType(TLB, TL.getPointeeLoc()); | ||||
5265 | if (PointeeType.isNull()) | ||||
5266 | return QualType(); | ||||
5267 | |||||
5268 | TypeSourceInfo* OldClsTInfo = TL.getClassTInfo(); | ||||
5269 | TypeSourceInfo *NewClsTInfo = nullptr; | ||||
5270 | if (OldClsTInfo) { | ||||
5271 | NewClsTInfo = getDerived().TransformType(OldClsTInfo); | ||||
5272 | if (!NewClsTInfo) | ||||
5273 | return QualType(); | ||||
5274 | } | ||||
5275 | |||||
5276 | const MemberPointerType *T = TL.getTypePtr(); | ||||
5277 | QualType OldClsType = QualType(T->getClass(), 0); | ||||
5278 | QualType NewClsType; | ||||
5279 | if (NewClsTInfo) | ||||
5280 | NewClsType = NewClsTInfo->getType(); | ||||
5281 | else { | ||||
5282 | NewClsType = getDerived().TransformType(OldClsType); | ||||
5283 | if (NewClsType.isNull()) | ||||
5284 | return QualType(); | ||||
5285 | } | ||||
5286 | |||||
5287 | QualType Result = TL.getType(); | ||||
5288 | if (getDerived().AlwaysRebuild() || | ||||
5289 | PointeeType != T->getPointeeType() || | ||||
5290 | NewClsType != OldClsType) { | ||||
5291 | Result = getDerived().RebuildMemberPointerType(PointeeType, NewClsType, | ||||
5292 | TL.getStarLoc()); | ||||
5293 | if (Result.isNull()) | ||||
5294 | return QualType(); | ||||
5295 | } | ||||
5296 | |||||
5297 | // If we had to adjust the pointee type when building a member pointer, make | ||||
5298 | // sure to push TypeLoc info for it. | ||||
5299 | const MemberPointerType *MPT = Result->getAs<MemberPointerType>(); | ||||
5300 | if (MPT && PointeeType != MPT->getPointeeType()) { | ||||
5301 | assert(isa<AdjustedType>(MPT->getPointeeType()))(static_cast <bool> (isa<AdjustedType>(MPT->getPointeeType ())) ? void (0) : __assert_fail ("isa<AdjustedType>(MPT->getPointeeType())" , "clang/lib/Sema/TreeTransform.h", 5301, __extension__ __PRETTY_FUNCTION__ )); | ||||
5302 | TLB.push<AdjustedTypeLoc>(MPT->getPointeeType()); | ||||
5303 | } | ||||
5304 | |||||
5305 | MemberPointerTypeLoc NewTL = TLB.push<MemberPointerTypeLoc>(Result); | ||||
5306 | NewTL.setSigilLoc(TL.getSigilLoc()); | ||||
5307 | NewTL.setClassTInfo(NewClsTInfo); | ||||
5308 | |||||
5309 | return Result; | ||||
5310 | } | ||||
5311 | |||||
5312 | template<typename Derived> | ||||
5313 | QualType | ||||
5314 | TreeTransform<Derived>::TransformConstantArrayType(TypeLocBuilder &TLB, | ||||
5315 | ConstantArrayTypeLoc TL) { | ||||
5316 | const ConstantArrayType *T = TL.getTypePtr(); | ||||
5317 | QualType ElementType = getDerived().TransformType(TLB, TL.getElementLoc()); | ||||
5318 | if (ElementType.isNull()) | ||||
5319 | return QualType(); | ||||
5320 | |||||
5321 | // Prefer the expression from the TypeLoc; the other may have been uniqued. | ||||
5322 | Expr *OldSize = TL.getSizeExpr(); | ||||
5323 | if (!OldSize) | ||||
5324 | OldSize = const_cast<Expr*>(T->getSizeExpr()); | ||||
5325 | Expr *NewSize = nullptr; | ||||
5326 | if (OldSize) { | ||||
5327 | EnterExpressionEvaluationContext Unevaluated( | ||||
5328 | SemaRef, Sema::ExpressionEvaluationContext::ConstantEvaluated); | ||||
5329 | NewSize = getDerived().TransformExpr(OldSize).template getAs<Expr>(); | ||||
5330 | NewSize = SemaRef.ActOnConstantExpression(NewSize).get(); | ||||
5331 | } | ||||
5332 | |||||
5333 | QualType Result = TL.getType(); | ||||
5334 | if (getDerived().AlwaysRebuild() || | ||||
5335 | ElementType != T->getElementType() || | ||||
5336 | (T->getSizeExpr() && NewSize != OldSize)) { | ||||
5337 | Result = getDerived().RebuildConstantArrayType(ElementType, | ||||
5338 | T->getSizeModifier(), | ||||
5339 | T->getSize(), NewSize, | ||||
5340 | T->getIndexTypeCVRQualifiers(), | ||||
5341 | TL.getBracketsRange()); | ||||
5342 | if (Result.isNull()) | ||||
5343 | return QualType(); | ||||
5344 | } | ||||
5345 | |||||
5346 | // We might have either a ConstantArrayType or a VariableArrayType now: | ||||
5347 | // a ConstantArrayType is allowed to have an element type which is a | ||||
5348 | // VariableArrayType if the type is dependent. Fortunately, all array | ||||
5349 | // types have the same location layout. | ||||
5350 | ArrayTypeLoc NewTL = TLB.push<ArrayTypeLoc>(Result); | ||||
5351 | NewTL.setLBracketLoc(TL.getLBracketLoc()); | ||||
5352 | NewTL.setRBracketLoc(TL.getRBracketLoc()); | ||||
5353 | NewTL.setSizeExpr(NewSize); | ||||
5354 | |||||
5355 | return Result; | ||||
5356 | } | ||||
5357 | |||||
5358 | template<typename Derived> | ||||
5359 | QualType TreeTransform<Derived>::TransformIncompleteArrayType( | ||||
5360 | TypeLocBuilder &TLB, | ||||
5361 | IncompleteArrayTypeLoc TL) { | ||||
5362 | const IncompleteArrayType *T = TL.getTypePtr(); | ||||
5363 | QualType ElementType = getDerived().TransformType(TLB, TL.getElementLoc()); | ||||
5364 | if (ElementType.isNull()) | ||||
5365 | return QualType(); | ||||
5366 | |||||
5367 | QualType Result = TL.getType(); | ||||
5368 | if (getDerived().AlwaysRebuild() || | ||||
5369 | ElementType != T->getElementType()) { | ||||
5370 | Result = getDerived().RebuildIncompleteArrayType(ElementType, | ||||
5371 | T->getSizeModifier(), | ||||
5372 | T->getIndexTypeCVRQualifiers(), | ||||
5373 | TL.getBracketsRange()); | ||||
5374 | if (Result.isNull()) | ||||
5375 | return QualType(); | ||||
5376 | } | ||||
5377 | |||||
5378 | IncompleteArrayTypeLoc NewTL = TLB.push<IncompleteArrayTypeLoc>(Result); | ||||
5379 | NewTL.setLBracketLoc(TL.getLBracketLoc()); | ||||
5380 | NewTL.setRBracketLoc(TL.getRBracketLoc()); | ||||
5381 | NewTL.setSizeExpr(nullptr); | ||||
5382 | |||||
5383 | return Result; | ||||
5384 | } | ||||
5385 | |||||
5386 | template<typename Derived> | ||||
5387 | QualType | ||||
5388 | TreeTransform<Derived>::TransformVariableArrayType(TypeLocBuilder &TLB, | ||||
5389 | VariableArrayTypeLoc TL) { | ||||
5390 | const VariableArrayType *T = TL.getTypePtr(); | ||||
5391 | QualType ElementType = getDerived().TransformType(TLB, TL.getElementLoc()); | ||||
5392 | if (ElementType.isNull()) | ||||
5393 | return QualType(); | ||||
5394 | |||||
5395 | ExprResult SizeResult; | ||||
5396 | { | ||||
5397 | EnterExpressionEvaluationContext Context( | ||||
5398 | SemaRef, Sema::ExpressionEvaluationContext::PotentiallyEvaluated); | ||||
5399 | SizeResult = getDerived().TransformExpr(T->getSizeExpr()); | ||||
5400 | } | ||||
5401 | if (SizeResult.isInvalid()) | ||||
5402 | return QualType(); | ||||
5403 | SizeResult = | ||||
5404 | SemaRef.ActOnFinishFullExpr(SizeResult.get(), /*DiscardedValue*/ false); | ||||
5405 | if (SizeResult.isInvalid()) | ||||
5406 | return QualType(); | ||||
5407 | |||||
5408 | Expr *Size = SizeResult.get(); | ||||
5409 | |||||
5410 | QualType Result = TL.getType(); | ||||
5411 | if (getDerived().AlwaysRebuild() || | ||||
5412 | ElementType != T->getElementType() || | ||||
5413 | Size != T->getSizeExpr()) { | ||||
5414 | Result = getDerived().RebuildVariableArrayType(ElementType, | ||||
5415 | T->getSizeModifier(), | ||||
5416 | Size, | ||||
5417 | T->getIndexTypeCVRQualifiers(), | ||||
5418 | TL.getBracketsRange()); | ||||
5419 | if (Result.isNull()) | ||||
5420 | return QualType(); | ||||
5421 | } | ||||
5422 | |||||
5423 | // We might have constant size array now, but fortunately it has the same | ||||
5424 | // location layout. | ||||
5425 | ArrayTypeLoc NewTL = TLB.push<ArrayTypeLoc>(Result); | ||||
5426 | NewTL.setLBracketLoc(TL.getLBracketLoc()); | ||||
5427 | NewTL.setRBracketLoc(TL.getRBracketLoc()); | ||||
5428 | NewTL.setSizeExpr(Size); | ||||
5429 | |||||
5430 | return Result; | ||||
5431 | } | ||||
5432 | |||||
5433 | template<typename Derived> | ||||
5434 | QualType | ||||
5435 | TreeTransform<Derived>::TransformDependentSizedArrayType(TypeLocBuilder &TLB, | ||||
5436 | DependentSizedArrayTypeLoc TL) { | ||||
5437 | const DependentSizedArrayType *T = TL.getTypePtr(); | ||||
5438 | QualType ElementType = getDerived().TransformType(TLB, TL.getElementLoc()); | ||||
5439 | if (ElementType.isNull()) | ||||
5440 | return QualType(); | ||||
5441 | |||||
5442 | // Array bounds are constant expressions. | ||||
5443 | EnterExpressionEvaluationContext Unevaluated( | ||||
5444 | SemaRef, Sema::ExpressionEvaluationContext::ConstantEvaluated); | ||||
5445 | |||||
5446 | // Prefer the expression from the TypeLoc; the other may have been uniqued. | ||||
5447 | Expr *origSize = TL.getSizeExpr(); | ||||
5448 | if (!origSize) origSize = T->getSizeExpr(); | ||||
5449 | |||||
5450 | ExprResult sizeResult | ||||
5451 | = getDerived().TransformExpr(origSize); | ||||
5452 | sizeResult = SemaRef.ActOnConstantExpression(sizeResult); | ||||
5453 | if (sizeResult.isInvalid()) | ||||
5454 | return QualType(); | ||||
5455 | |||||
5456 | Expr *size = sizeResult.get(); | ||||
5457 | |||||
5458 | QualType Result = TL.getType(); | ||||
5459 | if (getDerived().AlwaysRebuild() || | ||||
5460 | ElementType != T->getElementType() || | ||||
5461 | size != origSize) { | ||||
5462 | Result = getDerived().RebuildDependentSizedArrayType(ElementType, | ||||
5463 | T->getSizeModifier(), | ||||
5464 | size, | ||||
5465 | T->getIndexTypeCVRQualifiers(), | ||||
5466 | TL.getBracketsRange()); | ||||
5467 | if (Result.isNull()) | ||||
5468 | return QualType(); | ||||
5469 | } | ||||
5470 | |||||
5471 | // We might have any sort of array type now, but fortunately they | ||||
5472 | // all have the same location layout. | ||||
5473 | ArrayTypeLoc NewTL = TLB.push<ArrayTypeLoc>(Result); | ||||
5474 | NewTL.setLBracketLoc(TL.getLBracketLoc()); | ||||
5475 | NewTL.setRBracketLoc(TL.getRBracketLoc()); | ||||
5476 | NewTL.setSizeExpr(size); | ||||
5477 | |||||
5478 | return Result; | ||||
5479 | } | ||||
5480 | |||||
5481 | template <typename Derived> | ||||
5482 | QualType TreeTransform<Derived>::TransformDependentVectorType( | ||||
5483 | TypeLocBuilder &TLB, DependentVectorTypeLoc TL) { | ||||
5484 | const DependentVectorType *T = TL.getTypePtr(); | ||||
5485 | QualType ElementType = getDerived().TransformType(TLB, TL.getElementLoc()); | ||||
5486 | if (ElementType.isNull()) | ||||
5487 | return QualType(); | ||||
5488 | |||||
5489 | EnterExpressionEvaluationContext Unevaluated( | ||||
5490 | SemaRef, Sema::ExpressionEvaluationContext::ConstantEvaluated); | ||||
5491 | |||||
5492 | ExprResult Size = getDerived().TransformExpr(T->getSizeExpr()); | ||||
5493 | Size = SemaRef.ActOnConstantExpression(Size); | ||||
5494 | if (Size.isInvalid()) | ||||
5495 | return QualType(); | ||||
5496 | |||||
5497 | QualType Result = TL.getType(); | ||||
5498 | if (getDerived().AlwaysRebuild() || ElementType != T->getElementType() || | ||||
5499 | Size.get() != T->getSizeExpr()) { | ||||
5500 | Result = getDerived().RebuildDependentVectorType( | ||||
5501 | ElementType, Size.get(), T->getAttributeLoc(), T->getVectorKind()); | ||||
5502 | if (Result.isNull()) | ||||
5503 | return QualType(); | ||||
5504 | } | ||||
5505 | |||||
5506 | // Result might be dependent or not. | ||||
5507 | if (isa<DependentVectorType>(Result)) { | ||||
5508 | DependentVectorTypeLoc NewTL = | ||||
5509 | TLB.push<DependentVectorTypeLoc>(Result); | ||||
5510 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
5511 | } else { | ||||
5512 | VectorTypeLoc NewTL = TLB.push<VectorTypeLoc>(Result); | ||||
5513 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
5514 | } | ||||
5515 | |||||
5516 | return Result; | ||||
5517 | } | ||||
5518 | |||||
5519 | template<typename Derived> | ||||
5520 | QualType TreeTransform<Derived>::TransformDependentSizedExtVectorType( | ||||
5521 | TypeLocBuilder &TLB, | ||||
5522 | DependentSizedExtVectorTypeLoc TL) { | ||||
5523 | const DependentSizedExtVectorType *T = TL.getTypePtr(); | ||||
5524 | |||||
5525 | // FIXME: ext vector locs should be nested | ||||
5526 | QualType ElementType = getDerived().TransformType(TLB, TL.getElementLoc()); | ||||
5527 | if (ElementType.isNull()) | ||||
5528 | return QualType(); | ||||
5529 | |||||
5530 | // Vector sizes are constant expressions. | ||||
5531 | EnterExpressionEvaluationContext Unevaluated( | ||||
5532 | SemaRef, Sema::ExpressionEvaluationContext::ConstantEvaluated); | ||||
5533 | |||||
5534 | ExprResult Size = getDerived().TransformExpr(T->getSizeExpr()); | ||||
5535 | Size = SemaRef.ActOnConstantExpression(Size); | ||||
5536 | if (Size.isInvalid()) | ||||
5537 | return QualType(); | ||||
5538 | |||||
5539 | QualType Result = TL.getType(); | ||||
5540 | if (getDerived().AlwaysRebuild() || | ||||
5541 | ElementType != T->getElementType() || | ||||
5542 | Size.get() != T->getSizeExpr()) { | ||||
5543 | Result = getDerived().RebuildDependentSizedExtVectorType(ElementType, | ||||
5544 | Size.get(), | ||||
5545 | T->getAttributeLoc()); | ||||
5546 | if (Result.isNull()) | ||||
5547 | return QualType(); | ||||
5548 | } | ||||
5549 | |||||
5550 | // Result might be dependent or not. | ||||
5551 | if (isa<DependentSizedExtVectorType>(Result)) { | ||||
5552 | DependentSizedExtVectorTypeLoc NewTL | ||||
5553 | = TLB.push<DependentSizedExtVectorTypeLoc>(Result); | ||||
5554 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
5555 | } else { | ||||
5556 | ExtVectorTypeLoc NewTL = TLB.push<ExtVectorTypeLoc>(Result); | ||||
5557 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
5558 | } | ||||
5559 | |||||
5560 | return Result; | ||||
5561 | } | ||||
5562 | |||||
5563 | template <typename Derived> | ||||
5564 | QualType | ||||
5565 | TreeTransform<Derived>::TransformConstantMatrixType(TypeLocBuilder &TLB, | ||||
5566 | ConstantMatrixTypeLoc TL) { | ||||
5567 | const ConstantMatrixType *T = TL.getTypePtr(); | ||||
5568 | QualType ElementType = getDerived().TransformType(T->getElementType()); | ||||
5569 | if (ElementType.isNull()) | ||||
5570 | return QualType(); | ||||
5571 | |||||
5572 | QualType Result = TL.getType(); | ||||
5573 | if (getDerived().AlwaysRebuild() || ElementType != T->getElementType()) { | ||||
5574 | Result = getDerived().RebuildConstantMatrixType( | ||||
5575 | ElementType, T->getNumRows(), T->getNumColumns()); | ||||
5576 | if (Result.isNull()) | ||||
5577 | return QualType(); | ||||
5578 | } | ||||
5579 | |||||
5580 | ConstantMatrixTypeLoc NewTL = TLB.push<ConstantMatrixTypeLoc>(Result); | ||||
5581 | NewTL.setAttrNameLoc(TL.getAttrNameLoc()); | ||||
5582 | NewTL.setAttrOperandParensRange(TL.getAttrOperandParensRange()); | ||||
5583 | NewTL.setAttrRowOperand(TL.getAttrRowOperand()); | ||||
5584 | NewTL.setAttrColumnOperand(TL.getAttrColumnOperand()); | ||||
5585 | |||||
5586 | return Result; | ||||
5587 | } | ||||
5588 | |||||
5589 | template <typename Derived> | ||||
5590 | QualType TreeTransform<Derived>::TransformDependentSizedMatrixType( | ||||
5591 | TypeLocBuilder &TLB, DependentSizedMatrixTypeLoc TL) { | ||||
5592 | const DependentSizedMatrixType *T = TL.getTypePtr(); | ||||
5593 | |||||
5594 | QualType ElementType = getDerived().TransformType(T->getElementType()); | ||||
5595 | if (ElementType.isNull()) { | ||||
5596 | return QualType(); | ||||
5597 | } | ||||
5598 | |||||
5599 | // Matrix dimensions are constant expressions. | ||||
5600 | EnterExpressionEvaluationContext Unevaluated( | ||||
5601 | SemaRef, Sema::ExpressionEvaluationContext::ConstantEvaluated); | ||||
5602 | |||||
5603 | Expr *origRows = TL.getAttrRowOperand(); | ||||
5604 | if (!origRows) | ||||
5605 | origRows = T->getRowExpr(); | ||||
5606 | Expr *origColumns = TL.getAttrColumnOperand(); | ||||
5607 | if (!origColumns) | ||||
5608 | origColumns = T->getColumnExpr(); | ||||
5609 | |||||
5610 | ExprResult rowResult = getDerived().TransformExpr(origRows); | ||||
5611 | rowResult = SemaRef.ActOnConstantExpression(rowResult); | ||||
5612 | if (rowResult.isInvalid()) | ||||
5613 | return QualType(); | ||||
5614 | |||||
5615 | ExprResult columnResult = getDerived().TransformExpr(origColumns); | ||||
5616 | columnResult = SemaRef.ActOnConstantExpression(columnResult); | ||||
5617 | if (columnResult.isInvalid()) | ||||
5618 | return QualType(); | ||||
5619 | |||||
5620 | Expr *rows = rowResult.get(); | ||||
5621 | Expr *columns = columnResult.get(); | ||||
5622 | |||||
5623 | QualType Result = TL.getType(); | ||||
5624 | if (getDerived().AlwaysRebuild() || ElementType != T->getElementType() || | ||||
5625 | rows != origRows || columns != origColumns) { | ||||
5626 | Result = getDerived().RebuildDependentSizedMatrixType( | ||||
5627 | ElementType, rows, columns, T->getAttributeLoc()); | ||||
5628 | |||||
5629 | if (Result.isNull()) | ||||
5630 | return QualType(); | ||||
5631 | } | ||||
5632 | |||||
5633 | // We might have any sort of matrix type now, but fortunately they | ||||
5634 | // all have the same location layout. | ||||
5635 | MatrixTypeLoc NewTL = TLB.push<MatrixTypeLoc>(Result); | ||||
5636 | NewTL.setAttrNameLoc(TL.getAttrNameLoc()); | ||||
5637 | NewTL.setAttrOperandParensRange(TL.getAttrOperandParensRange()); | ||||
5638 | NewTL.setAttrRowOperand(rows); | ||||
5639 | NewTL.setAttrColumnOperand(columns); | ||||
5640 | return Result; | ||||
5641 | } | ||||
5642 | |||||
5643 | template <typename Derived> | ||||
5644 | QualType TreeTransform<Derived>::TransformDependentAddressSpaceType( | ||||
5645 | TypeLocBuilder &TLB, DependentAddressSpaceTypeLoc TL) { | ||||
5646 | const DependentAddressSpaceType *T = TL.getTypePtr(); | ||||
5647 | |||||
5648 | QualType pointeeType = getDerived().TransformType(T->getPointeeType()); | ||||
5649 | |||||
5650 | if (pointeeType.isNull()) | ||||
5651 | return QualType(); | ||||
5652 | |||||
5653 | // Address spaces are constant expressions. | ||||
5654 | EnterExpressionEvaluationContext Unevaluated( | ||||
5655 | SemaRef, Sema::ExpressionEvaluationContext::ConstantEvaluated); | ||||
5656 | |||||
5657 | ExprResult AddrSpace = getDerived().TransformExpr(T->getAddrSpaceExpr()); | ||||
5658 | AddrSpace = SemaRef.ActOnConstantExpression(AddrSpace); | ||||
5659 | if (AddrSpace.isInvalid()) | ||||
5660 | return QualType(); | ||||
5661 | |||||
5662 | QualType Result = TL.getType(); | ||||
5663 | if (getDerived().AlwaysRebuild() || pointeeType != T->getPointeeType() || | ||||
5664 | AddrSpace.get() != T->getAddrSpaceExpr()) { | ||||
5665 | Result = getDerived().RebuildDependentAddressSpaceType( | ||||
5666 | pointeeType, AddrSpace.get(), T->getAttributeLoc()); | ||||
5667 | if (Result.isNull()) | ||||
5668 | return QualType(); | ||||
5669 | } | ||||
5670 | |||||
5671 | // Result might be dependent or not. | ||||
5672 | if (isa<DependentAddressSpaceType>(Result)) { | ||||
5673 | DependentAddressSpaceTypeLoc NewTL = | ||||
5674 | TLB.push<DependentAddressSpaceTypeLoc>(Result); | ||||
5675 | |||||
5676 | NewTL.setAttrOperandParensRange(TL.getAttrOperandParensRange()); | ||||
5677 | NewTL.setAttrExprOperand(TL.getAttrExprOperand()); | ||||
5678 | NewTL.setAttrNameLoc(TL.getAttrNameLoc()); | ||||
5679 | |||||
5680 | } else { | ||||
5681 | TypeSourceInfo *DI = getSema().Context.getTrivialTypeSourceInfo( | ||||
5682 | Result, getDerived().getBaseLocation()); | ||||
5683 | TransformType(TLB, DI->getTypeLoc()); | ||||
5684 | } | ||||
5685 | |||||
5686 | return Result; | ||||
5687 | } | ||||
5688 | |||||
5689 | template <typename Derived> | ||||
5690 | QualType TreeTransform<Derived>::TransformVectorType(TypeLocBuilder &TLB, | ||||
5691 | VectorTypeLoc TL) { | ||||
5692 | const VectorType *T = TL.getTypePtr(); | ||||
5693 | QualType ElementType = getDerived().TransformType(TLB, TL.getElementLoc()); | ||||
5694 | if (ElementType.isNull()) | ||||
5695 | return QualType(); | ||||
5696 | |||||
5697 | QualType Result = TL.getType(); | ||||
5698 | if (getDerived().AlwaysRebuild() || | ||||
5699 | ElementType != T->getElementType()) { | ||||
5700 | Result = getDerived().RebuildVectorType(ElementType, T->getNumElements(), | ||||
5701 | T->getVectorKind()); | ||||
5702 | if (Result.isNull()) | ||||
5703 | return QualType(); | ||||
5704 | } | ||||
5705 | |||||
5706 | VectorTypeLoc NewTL = TLB.push<VectorTypeLoc>(Result); | ||||
5707 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
5708 | |||||
5709 | return Result; | ||||
5710 | } | ||||
5711 | |||||
5712 | template<typename Derived> | ||||
5713 | QualType TreeTransform<Derived>::TransformExtVectorType(TypeLocBuilder &TLB, | ||||
5714 | ExtVectorTypeLoc TL) { | ||||
5715 | const VectorType *T = TL.getTypePtr(); | ||||
5716 | QualType ElementType = getDerived().TransformType(TLB, TL.getElementLoc()); | ||||
5717 | if (ElementType.isNull()) | ||||
5718 | return QualType(); | ||||
5719 | |||||
5720 | QualType Result = TL.getType(); | ||||
5721 | if (getDerived().AlwaysRebuild() || | ||||
5722 | ElementType != T->getElementType()) { | ||||
5723 | Result = getDerived().RebuildExtVectorType(ElementType, | ||||
5724 | T->getNumElements(), | ||||
5725 | /*FIXME*/ SourceLocation()); | ||||
5726 | if (Result.isNull()) | ||||
5727 | return QualType(); | ||||
5728 | } | ||||
5729 | |||||
5730 | ExtVectorTypeLoc NewTL = TLB.push<ExtVectorTypeLoc>(Result); | ||||
5731 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
5732 | |||||
5733 | return Result; | ||||
5734 | } | ||||
5735 | |||||
5736 | template <typename Derived> | ||||
5737 | ParmVarDecl *TreeTransform<Derived>::TransformFunctionTypeParam( | ||||
5738 | ParmVarDecl *OldParm, int indexAdjustment, | ||||
5739 | std::optional<unsigned> NumExpansions, bool ExpectParameterPack) { | ||||
5740 | TypeSourceInfo *OldDI = OldParm->getTypeSourceInfo(); | ||||
5741 | TypeSourceInfo *NewDI = nullptr; | ||||
5742 | |||||
5743 | if (NumExpansions && isa<PackExpansionType>(OldDI->getType())) { | ||||
5744 | // If we're substituting into a pack expansion type and we know the | ||||
5745 | // length we want to expand to, just substitute for the pattern. | ||||
5746 | TypeLoc OldTL = OldDI->getTypeLoc(); | ||||
5747 | PackExpansionTypeLoc OldExpansionTL = OldTL.castAs<PackExpansionTypeLoc>(); | ||||
5748 | |||||
5749 | TypeLocBuilder TLB; | ||||
5750 | TypeLoc NewTL = OldDI->getTypeLoc(); | ||||
5751 | TLB.reserve(NewTL.getFullDataSize()); | ||||
5752 | |||||
5753 | QualType Result = getDerived().TransformType(TLB, | ||||
5754 | OldExpansionTL.getPatternLoc()); | ||||
5755 | if (Result.isNull()) | ||||
5756 | return nullptr; | ||||
5757 | |||||
5758 | Result = RebuildPackExpansionType(Result, | ||||
5759 | OldExpansionTL.getPatternLoc().getSourceRange(), | ||||
5760 | OldExpansionTL.getEllipsisLoc(), | ||||
5761 | NumExpansions); | ||||
5762 | if (Result.isNull()) | ||||
5763 | return nullptr; | ||||
5764 | |||||
5765 | PackExpansionTypeLoc NewExpansionTL | ||||
5766 | = TLB.push<PackExpansionTypeLoc>(Result); | ||||
5767 | NewExpansionTL.setEllipsisLoc(OldExpansionTL.getEllipsisLoc()); | ||||
5768 | NewDI = TLB.getTypeSourceInfo(SemaRef.Context, Result); | ||||
5769 | } else | ||||
5770 | NewDI = getDerived().TransformType(OldDI); | ||||
5771 | if (!NewDI) | ||||
5772 | return nullptr; | ||||
5773 | |||||
5774 | if (NewDI == OldDI && indexAdjustment == 0) | ||||
5775 | return OldParm; | ||||
5776 | |||||
5777 | ParmVarDecl *newParm = ParmVarDecl::Create(SemaRef.Context, | ||||
5778 | OldParm->getDeclContext(), | ||||
5779 | OldParm->getInnerLocStart(), | ||||
5780 | OldParm->getLocation(), | ||||
5781 | OldParm->getIdentifier(), | ||||
5782 | NewDI->getType(), | ||||
5783 | NewDI, | ||||
5784 | OldParm->getStorageClass(), | ||||
5785 | /* DefArg */ nullptr); | ||||
5786 | newParm->setScopeInfo(OldParm->getFunctionScopeDepth(), | ||||
5787 | OldParm->getFunctionScopeIndex() + indexAdjustment); | ||||
5788 | transformedLocalDecl(OldParm, {newParm}); | ||||
5789 | return newParm; | ||||
5790 | } | ||||
5791 | |||||
5792 | template <typename Derived> | ||||
5793 | bool TreeTransform<Derived>::TransformFunctionTypeParams( | ||||
5794 | SourceLocation Loc, ArrayRef<ParmVarDecl *> Params, | ||||
5795 | const QualType *ParamTypes, | ||||
5796 | const FunctionProtoType::ExtParameterInfo *ParamInfos, | ||||
5797 | SmallVectorImpl<QualType> &OutParamTypes, | ||||
5798 | SmallVectorImpl<ParmVarDecl *> *PVars, | ||||
5799 | Sema::ExtParameterInfoBuilder &PInfos, | ||||
5800 | unsigned *LastParamTransformed) { | ||||
5801 | int indexAdjustment = 0; | ||||
5802 | |||||
5803 | unsigned NumParams = Params.size(); | ||||
5804 | for (unsigned i = 0; i != NumParams; ++i) { | ||||
5805 | if (LastParamTransformed) | ||||
5806 | *LastParamTransformed = i; | ||||
5807 | if (ParmVarDecl *OldParm = Params[i]) { | ||||
5808 | assert(OldParm->getFunctionScopeIndex() == i)(static_cast <bool> (OldParm->getFunctionScopeIndex( ) == i) ? void (0) : __assert_fail ("OldParm->getFunctionScopeIndex() == i" , "clang/lib/Sema/TreeTransform.h", 5808, __extension__ __PRETTY_FUNCTION__ )); | ||||
5809 | |||||
5810 | std::optional<unsigned> NumExpansions; | ||||
5811 | ParmVarDecl *NewParm = nullptr; | ||||
5812 | if (OldParm->isParameterPack()) { | ||||
5813 | // We have a function parameter pack that may need to be expanded. | ||||
5814 | SmallVector<UnexpandedParameterPack, 2> Unexpanded; | ||||
5815 | |||||
5816 | // Find the parameter packs that could be expanded. | ||||
5817 | TypeLoc TL = OldParm->getTypeSourceInfo()->getTypeLoc(); | ||||
5818 | PackExpansionTypeLoc ExpansionTL = TL.castAs<PackExpansionTypeLoc>(); | ||||
5819 | TypeLoc Pattern = ExpansionTL.getPatternLoc(); | ||||
5820 | SemaRef.collectUnexpandedParameterPacks(Pattern, Unexpanded); | ||||
5821 | |||||
5822 | // Determine whether we should expand the parameter packs. | ||||
5823 | bool ShouldExpand = false; | ||||
5824 | bool RetainExpansion = false; | ||||
5825 | std::optional<unsigned> OrigNumExpansions; | ||||
5826 | if (Unexpanded.size() > 0) { | ||||
5827 | OrigNumExpansions = ExpansionTL.getTypePtr()->getNumExpansions(); | ||||
5828 | NumExpansions = OrigNumExpansions; | ||||
5829 | if (getDerived().TryExpandParameterPacks(ExpansionTL.getEllipsisLoc(), | ||||
5830 | Pattern.getSourceRange(), | ||||
5831 | Unexpanded, | ||||
5832 | ShouldExpand, | ||||
5833 | RetainExpansion, | ||||
5834 | NumExpansions)) { | ||||
5835 | return true; | ||||
5836 | } | ||||
5837 | } else { | ||||
5838 | #ifndef NDEBUG | ||||
5839 | const AutoType *AT = | ||||
5840 | Pattern.getType().getTypePtr()->getContainedAutoType(); | ||||
5841 | assert((AT && (!AT->isDeduced() || AT->getDeducedType().isNull())) &&(static_cast <bool> ((AT && (!AT->isDeduced( ) || AT->getDeducedType().isNull())) && "Could not find parameter packs or undeduced auto type!" ) ? void (0) : __assert_fail ("(AT && (!AT->isDeduced() || AT->getDeducedType().isNull())) && \"Could not find parameter packs or undeduced auto type!\"" , "clang/lib/Sema/TreeTransform.h", 5842, __extension__ __PRETTY_FUNCTION__ )) | ||||
5842 | "Could not find parameter packs or undeduced auto type!")(static_cast <bool> ((AT && (!AT->isDeduced( ) || AT->getDeducedType().isNull())) && "Could not find parameter packs or undeduced auto type!" ) ? void (0) : __assert_fail ("(AT && (!AT->isDeduced() || AT->getDeducedType().isNull())) && \"Could not find parameter packs or undeduced auto type!\"" , "clang/lib/Sema/TreeTransform.h", 5842, __extension__ __PRETTY_FUNCTION__ )); | ||||
5843 | #endif | ||||
5844 | } | ||||
5845 | |||||
5846 | if (ShouldExpand) { | ||||
5847 | // Expand the function parameter pack into multiple, separate | ||||
5848 | // parameters. | ||||
5849 | getDerived().ExpandingFunctionParameterPack(OldParm); | ||||
5850 | for (unsigned I = 0; I != *NumExpansions; ++I) { | ||||
5851 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), I); | ||||
5852 | ParmVarDecl *NewParm | ||||
5853 | = getDerived().TransformFunctionTypeParam(OldParm, | ||||
5854 | indexAdjustment++, | ||||
5855 | OrigNumExpansions, | ||||
5856 | /*ExpectParameterPack=*/false); | ||||
5857 | if (!NewParm) | ||||
5858 | return true; | ||||
5859 | |||||
5860 | if (ParamInfos) | ||||
5861 | PInfos.set(OutParamTypes.size(), ParamInfos[i]); | ||||
5862 | OutParamTypes.push_back(NewParm->getType()); | ||||
5863 | if (PVars) | ||||
5864 | PVars->push_back(NewParm); | ||||
5865 | } | ||||
5866 | |||||
5867 | // If we're supposed to retain a pack expansion, do so by temporarily | ||||
5868 | // forgetting the partially-substituted parameter pack. | ||||
5869 | if (RetainExpansion) { | ||||
5870 | ForgetPartiallySubstitutedPackRAII Forget(getDerived()); | ||||
5871 | ParmVarDecl *NewParm | ||||
5872 | = getDerived().TransformFunctionTypeParam(OldParm, | ||||
5873 | indexAdjustment++, | ||||
5874 | OrigNumExpansions, | ||||
5875 | /*ExpectParameterPack=*/false); | ||||
5876 | if (!NewParm) | ||||
5877 | return true; | ||||
5878 | |||||
5879 | if (ParamInfos) | ||||
5880 | PInfos.set(OutParamTypes.size(), ParamInfos[i]); | ||||
5881 | OutParamTypes.push_back(NewParm->getType()); | ||||
5882 | if (PVars) | ||||
5883 | PVars->push_back(NewParm); | ||||
5884 | } | ||||
5885 | |||||
5886 | // The next parameter should have the same adjustment as the | ||||
5887 | // last thing we pushed, but we post-incremented indexAdjustment | ||||
5888 | // on every push. Also, if we push nothing, the adjustment should | ||||
5889 | // go down by one. | ||||
5890 | indexAdjustment--; | ||||
5891 | |||||
5892 | // We're done with the pack expansion. | ||||
5893 | continue; | ||||
5894 | } | ||||
5895 | |||||
5896 | // We'll substitute the parameter now without expanding the pack | ||||
5897 | // expansion. | ||||
5898 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), -1); | ||||
5899 | NewParm = getDerived().TransformFunctionTypeParam(OldParm, | ||||
5900 | indexAdjustment, | ||||
5901 | NumExpansions, | ||||
5902 | /*ExpectParameterPack=*/true); | ||||
5903 | assert(NewParm->isParameterPack() &&(static_cast <bool> (NewParm->isParameterPack() && "Parameter pack no longer a parameter pack after " "transformation." ) ? void (0) : __assert_fail ("NewParm->isParameterPack() && \"Parameter pack no longer a parameter pack after \" \"transformation.\"" , "clang/lib/Sema/TreeTransform.h", 5905, __extension__ __PRETTY_FUNCTION__ )) | ||||
5904 | "Parameter pack no longer a parameter pack after "(static_cast <bool> (NewParm->isParameterPack() && "Parameter pack no longer a parameter pack after " "transformation." ) ? void (0) : __assert_fail ("NewParm->isParameterPack() && \"Parameter pack no longer a parameter pack after \" \"transformation.\"" , "clang/lib/Sema/TreeTransform.h", 5905, __extension__ __PRETTY_FUNCTION__ )) | ||||
5905 | "transformation.")(static_cast <bool> (NewParm->isParameterPack() && "Parameter pack no longer a parameter pack after " "transformation." ) ? void (0) : __assert_fail ("NewParm->isParameterPack() && \"Parameter pack no longer a parameter pack after \" \"transformation.\"" , "clang/lib/Sema/TreeTransform.h", 5905, __extension__ __PRETTY_FUNCTION__ )); | ||||
5906 | } else { | ||||
5907 | NewParm = getDerived().TransformFunctionTypeParam( | ||||
5908 | OldParm, indexAdjustment, std::nullopt, | ||||
5909 | /*ExpectParameterPack=*/false); | ||||
5910 | } | ||||
5911 | |||||
5912 | if (!NewParm) | ||||
5913 | return true; | ||||
5914 | |||||
5915 | if (ParamInfos) | ||||
5916 | PInfos.set(OutParamTypes.size(), ParamInfos[i]); | ||||
5917 | OutParamTypes.push_back(NewParm->getType()); | ||||
5918 | if (PVars) | ||||
5919 | PVars->push_back(NewParm); | ||||
5920 | continue; | ||||
5921 | } | ||||
5922 | |||||
5923 | // Deal with the possibility that we don't have a parameter | ||||
5924 | // declaration for this parameter. | ||||
5925 | assert(ParamTypes)(static_cast <bool> (ParamTypes) ? void (0) : __assert_fail ("ParamTypes", "clang/lib/Sema/TreeTransform.h", 5925, __extension__ __PRETTY_FUNCTION__)); | ||||
5926 | QualType OldType = ParamTypes[i]; | ||||
5927 | bool IsPackExpansion = false; | ||||
5928 | std::optional<unsigned> NumExpansions; | ||||
5929 | QualType NewType; | ||||
5930 | if (const PackExpansionType *Expansion | ||||
5931 | = dyn_cast<PackExpansionType>(OldType)) { | ||||
5932 | // We have a function parameter pack that may need to be expanded. | ||||
5933 | QualType Pattern = Expansion->getPattern(); | ||||
5934 | SmallVector<UnexpandedParameterPack, 2> Unexpanded; | ||||
5935 | getSema().collectUnexpandedParameterPacks(Pattern, Unexpanded); | ||||
5936 | |||||
5937 | // Determine whether we should expand the parameter packs. | ||||
5938 | bool ShouldExpand = false; | ||||
5939 | bool RetainExpansion = false; | ||||
5940 | if (getDerived().TryExpandParameterPacks(Loc, SourceRange(), | ||||
5941 | Unexpanded, | ||||
5942 | ShouldExpand, | ||||
5943 | RetainExpansion, | ||||
5944 | NumExpansions)) { | ||||
5945 | return true; | ||||
5946 | } | ||||
5947 | |||||
5948 | if (ShouldExpand) { | ||||
5949 | // Expand the function parameter pack into multiple, separate | ||||
5950 | // parameters. | ||||
5951 | for (unsigned I = 0; I != *NumExpansions; ++I) { | ||||
5952 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), I); | ||||
5953 | QualType NewType = getDerived().TransformType(Pattern); | ||||
5954 | if (NewType.isNull()) | ||||
5955 | return true; | ||||
5956 | |||||
5957 | if (NewType->containsUnexpandedParameterPack()) { | ||||
5958 | NewType = getSema().getASTContext().getPackExpansionType( | ||||
5959 | NewType, std::nullopt); | ||||
5960 | |||||
5961 | if (NewType.isNull()) | ||||
5962 | return true; | ||||
5963 | } | ||||
5964 | |||||
5965 | if (ParamInfos) | ||||
5966 | PInfos.set(OutParamTypes.size(), ParamInfos[i]); | ||||
5967 | OutParamTypes.push_back(NewType); | ||||
5968 | if (PVars) | ||||
5969 | PVars->push_back(nullptr); | ||||
5970 | } | ||||
5971 | |||||
5972 | // We're done with the pack expansion. | ||||
5973 | continue; | ||||
5974 | } | ||||
5975 | |||||
5976 | // If we're supposed to retain a pack expansion, do so by temporarily | ||||
5977 | // forgetting the partially-substituted parameter pack. | ||||
5978 | if (RetainExpansion) { | ||||
5979 | ForgetPartiallySubstitutedPackRAII Forget(getDerived()); | ||||
5980 | QualType NewType = getDerived().TransformType(Pattern); | ||||
5981 | if (NewType.isNull()) | ||||
5982 | return true; | ||||
5983 | |||||
5984 | if (ParamInfos) | ||||
5985 | PInfos.set(OutParamTypes.size(), ParamInfos[i]); | ||||
5986 | OutParamTypes.push_back(NewType); | ||||
5987 | if (PVars) | ||||
5988 | PVars->push_back(nullptr); | ||||
5989 | } | ||||
5990 | |||||
5991 | // We'll substitute the parameter now without expanding the pack | ||||
5992 | // expansion. | ||||
5993 | OldType = Expansion->getPattern(); | ||||
5994 | IsPackExpansion = true; | ||||
5995 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), -1); | ||||
5996 | NewType = getDerived().TransformType(OldType); | ||||
5997 | } else { | ||||
5998 | NewType = getDerived().TransformType(OldType); | ||||
5999 | } | ||||
6000 | |||||
6001 | if (NewType.isNull()) | ||||
6002 | return true; | ||||
6003 | |||||
6004 | if (IsPackExpansion) | ||||
6005 | NewType = getSema().Context.getPackExpansionType(NewType, | ||||
6006 | NumExpansions); | ||||
6007 | |||||
6008 | if (ParamInfos) | ||||
6009 | PInfos.set(OutParamTypes.size(), ParamInfos[i]); | ||||
6010 | OutParamTypes.push_back(NewType); | ||||
6011 | if (PVars) | ||||
6012 | PVars->push_back(nullptr); | ||||
6013 | } | ||||
6014 | |||||
6015 | #ifndef NDEBUG | ||||
6016 | if (PVars) { | ||||
6017 | for (unsigned i = 0, e = PVars->size(); i != e; ++i) | ||||
6018 | if (ParmVarDecl *parm = (*PVars)[i]) | ||||
6019 | assert(parm->getFunctionScopeIndex() == i)(static_cast <bool> (parm->getFunctionScopeIndex() == i) ? void (0) : __assert_fail ("parm->getFunctionScopeIndex() == i" , "clang/lib/Sema/TreeTransform.h", 6019, __extension__ __PRETTY_FUNCTION__ )); | ||||
6020 | } | ||||
6021 | #endif | ||||
6022 | |||||
6023 | return false; | ||||
6024 | } | ||||
6025 | |||||
6026 | template<typename Derived> | ||||
6027 | QualType | ||||
6028 | TreeTransform<Derived>::TransformFunctionProtoType(TypeLocBuilder &TLB, | ||||
6029 | FunctionProtoTypeLoc TL) { | ||||
6030 | SmallVector<QualType, 4> ExceptionStorage; | ||||
6031 | TreeTransform *This = this; // Work around gcc.gnu.org/PR56135. | ||||
6032 | return getDerived().TransformFunctionProtoType( | ||||
6033 | TLB, TL, nullptr, Qualifiers(), | ||||
6034 | [&](FunctionProtoType::ExceptionSpecInfo &ESI, bool &Changed) { | ||||
6035 | return This->getDerived().TransformExceptionSpec( | ||||
6036 | TL.getBeginLoc(), ESI, ExceptionStorage, Changed); | ||||
6037 | }); | ||||
6038 | } | ||||
6039 | |||||
6040 | template<typename Derived> template<typename Fn> | ||||
6041 | QualType TreeTransform<Derived>::TransformFunctionProtoType( | ||||
6042 | TypeLocBuilder &TLB, FunctionProtoTypeLoc TL, CXXRecordDecl *ThisContext, | ||||
6043 | Qualifiers ThisTypeQuals, Fn TransformExceptionSpec) { | ||||
6044 | |||||
6045 | // Transform the parameters and return type. | ||||
6046 | // | ||||
6047 | // We are required to instantiate the params and return type in source order. | ||||
6048 | // When the function has a trailing return type, we instantiate the | ||||
6049 | // parameters before the return type, since the return type can then refer | ||||
6050 | // to the parameters themselves (via decltype, sizeof, etc.). | ||||
6051 | // | ||||
6052 | SmallVector<QualType, 4> ParamTypes; | ||||
6053 | SmallVector<ParmVarDecl*, 4> ParamDecls; | ||||
6054 | Sema::ExtParameterInfoBuilder ExtParamInfos; | ||||
6055 | const FunctionProtoType *T = TL.getTypePtr(); | ||||
6056 | |||||
6057 | QualType ResultType; | ||||
6058 | |||||
6059 | if (T->hasTrailingReturn()) { | ||||
6060 | if (getDerived().TransformFunctionTypeParams( | ||||
6061 | TL.getBeginLoc(), TL.getParams(), | ||||
6062 | TL.getTypePtr()->param_type_begin(), | ||||
6063 | T->getExtParameterInfosOrNull(), | ||||
6064 | ParamTypes, &ParamDecls, ExtParamInfos)) | ||||
6065 | return QualType(); | ||||
6066 | |||||
6067 | { | ||||
6068 | // C++11 [expr.prim.general]p3: | ||||
6069 | // If a declaration declares a member function or member function | ||||
6070 | // template of a class X, the expression this is a prvalue of type | ||||
6071 | // "pointer to cv-qualifier-seq X" between the optional cv-qualifer-seq | ||||
6072 | // and the end of the function-definition, member-declarator, or | ||||
6073 | // declarator. | ||||
6074 | Sema::CXXThisScopeRAII ThisScope(SemaRef, ThisContext, ThisTypeQuals); | ||||
6075 | |||||
6076 | ResultType = getDerived().TransformType(TLB, TL.getReturnLoc()); | ||||
6077 | if (ResultType.isNull()) | ||||
6078 | return QualType(); | ||||
6079 | } | ||||
6080 | } | ||||
6081 | else { | ||||
6082 | ResultType = getDerived().TransformType(TLB, TL.getReturnLoc()); | ||||
6083 | if (ResultType.isNull()) | ||||
6084 | return QualType(); | ||||
6085 | |||||
6086 | if (getDerived().TransformFunctionTypeParams( | ||||
6087 | TL.getBeginLoc(), TL.getParams(), | ||||
6088 | TL.getTypePtr()->param_type_begin(), | ||||
6089 | T->getExtParameterInfosOrNull(), | ||||
6090 | ParamTypes, &ParamDecls, ExtParamInfos)) | ||||
6091 | return QualType(); | ||||
6092 | } | ||||
6093 | |||||
6094 | FunctionProtoType::ExtProtoInfo EPI = T->getExtProtoInfo(); | ||||
6095 | |||||
6096 | bool EPIChanged = false; | ||||
6097 | if (TransformExceptionSpec(EPI.ExceptionSpec, EPIChanged)) | ||||
6098 | return QualType(); | ||||
6099 | |||||
6100 | // Handle extended parameter information. | ||||
6101 | if (auto NewExtParamInfos = | ||||
6102 | ExtParamInfos.getPointerOrNull(ParamTypes.size())) { | ||||
6103 | if (!EPI.ExtParameterInfos || | ||||
6104 | llvm::ArrayRef(EPI.ExtParameterInfos, TL.getNumParams()) != | ||||
6105 | llvm::ArrayRef(NewExtParamInfos, ParamTypes.size())) { | ||||
6106 | EPIChanged = true; | ||||
6107 | } | ||||
6108 | EPI.ExtParameterInfos = NewExtParamInfos; | ||||
6109 | } else if (EPI.ExtParameterInfos) { | ||||
6110 | EPIChanged = true; | ||||
6111 | EPI.ExtParameterInfos = nullptr; | ||||
6112 | } | ||||
6113 | |||||
6114 | QualType Result = TL.getType(); | ||||
6115 | if (getDerived().AlwaysRebuild() || ResultType != T->getReturnType() || | ||||
6116 | T->getParamTypes() != llvm::ArrayRef(ParamTypes) || EPIChanged) { | ||||
6117 | Result = getDerived().RebuildFunctionProtoType(ResultType, ParamTypes, EPI); | ||||
6118 | if (Result.isNull()) | ||||
6119 | return QualType(); | ||||
6120 | } | ||||
6121 | |||||
6122 | FunctionProtoTypeLoc NewTL = TLB.push<FunctionProtoTypeLoc>(Result); | ||||
6123 | NewTL.setLocalRangeBegin(TL.getLocalRangeBegin()); | ||||
6124 | NewTL.setLParenLoc(TL.getLParenLoc()); | ||||
6125 | NewTL.setRParenLoc(TL.getRParenLoc()); | ||||
6126 | NewTL.setExceptionSpecRange(TL.getExceptionSpecRange()); | ||||
6127 | NewTL.setLocalRangeEnd(TL.getLocalRangeEnd()); | ||||
6128 | for (unsigned i = 0, e = NewTL.getNumParams(); i != e; ++i) | ||||
6129 | NewTL.setParam(i, ParamDecls[i]); | ||||
6130 | |||||
6131 | return Result; | ||||
6132 | } | ||||
6133 | |||||
6134 | template<typename Derived> | ||||
6135 | bool TreeTransform<Derived>::TransformExceptionSpec( | ||||
6136 | SourceLocation Loc, FunctionProtoType::ExceptionSpecInfo &ESI, | ||||
6137 | SmallVectorImpl<QualType> &Exceptions, bool &Changed) { | ||||
6138 | assert(ESI.Type != EST_Uninstantiated && ESI.Type != EST_Unevaluated)(static_cast <bool> (ESI.Type != EST_Uninstantiated && ESI.Type != EST_Unevaluated) ? void (0) : __assert_fail ("ESI.Type != EST_Uninstantiated && ESI.Type != EST_Unevaluated" , "clang/lib/Sema/TreeTransform.h", 6138, __extension__ __PRETTY_FUNCTION__ )); | ||||
6139 | |||||
6140 | // Instantiate a dynamic noexcept expression, if any. | ||||
6141 | if (isComputedNoexcept(ESI.Type)) { | ||||
6142 | EnterExpressionEvaluationContext Unevaluated( | ||||
6143 | getSema(), Sema::ExpressionEvaluationContext::ConstantEvaluated); | ||||
6144 | ExprResult NoexceptExpr = getDerived().TransformExpr(ESI.NoexceptExpr); | ||||
6145 | if (NoexceptExpr.isInvalid()) | ||||
6146 | return true; | ||||
6147 | |||||
6148 | ExceptionSpecificationType EST = ESI.Type; | ||||
6149 | NoexceptExpr = | ||||
6150 | getSema().ActOnNoexceptSpec(NoexceptExpr.get(), EST); | ||||
6151 | if (NoexceptExpr.isInvalid()) | ||||
6152 | return true; | ||||
6153 | |||||
6154 | if (ESI.NoexceptExpr != NoexceptExpr.get() || EST != ESI.Type) | ||||
6155 | Changed = true; | ||||
6156 | ESI.NoexceptExpr = NoexceptExpr.get(); | ||||
6157 | ESI.Type = EST; | ||||
6158 | } | ||||
6159 | |||||
6160 | if (ESI.Type != EST_Dynamic) | ||||
6161 | return false; | ||||
6162 | |||||
6163 | // Instantiate a dynamic exception specification's type. | ||||
6164 | for (QualType T : ESI.Exceptions) { | ||||
6165 | if (const PackExpansionType *PackExpansion = | ||||
6166 | T->getAs<PackExpansionType>()) { | ||||
6167 | Changed = true; | ||||
6168 | |||||
6169 | // We have a pack expansion. Instantiate it. | ||||
6170 | SmallVector<UnexpandedParameterPack, 2> Unexpanded; | ||||
6171 | SemaRef.collectUnexpandedParameterPacks(PackExpansion->getPattern(), | ||||
6172 | Unexpanded); | ||||
6173 | assert(!Unexpanded.empty() && "Pack expansion without parameter packs?")(static_cast <bool> (!Unexpanded.empty() && "Pack expansion without parameter packs?" ) ? void (0) : __assert_fail ("!Unexpanded.empty() && \"Pack expansion without parameter packs?\"" , "clang/lib/Sema/TreeTransform.h", 6173, __extension__ __PRETTY_FUNCTION__ )); | ||||
6174 | |||||
6175 | // Determine whether the set of unexpanded parameter packs can and | ||||
6176 | // should | ||||
6177 | // be expanded. | ||||
6178 | bool Expand = false; | ||||
6179 | bool RetainExpansion = false; | ||||
6180 | std::optional<unsigned> NumExpansions = PackExpansion->getNumExpansions(); | ||||
6181 | // FIXME: Track the location of the ellipsis (and track source location | ||||
6182 | // information for the types in the exception specification in general). | ||||
6183 | if (getDerived().TryExpandParameterPacks( | ||||
6184 | Loc, SourceRange(), Unexpanded, Expand, | ||||
6185 | RetainExpansion, NumExpansions)) | ||||
6186 | return true; | ||||
6187 | |||||
6188 | if (!Expand) { | ||||
6189 | // We can't expand this pack expansion into separate arguments yet; | ||||
6190 | // just substitute into the pattern and create a new pack expansion | ||||
6191 | // type. | ||||
6192 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), -1); | ||||
6193 | QualType U = getDerived().TransformType(PackExpansion->getPattern()); | ||||
6194 | if (U.isNull()) | ||||
6195 | return true; | ||||
6196 | |||||
6197 | U = SemaRef.Context.getPackExpansionType(U, NumExpansions); | ||||
6198 | Exceptions.push_back(U); | ||||
6199 | continue; | ||||
6200 | } | ||||
6201 | |||||
6202 | // Substitute into the pack expansion pattern for each slice of the | ||||
6203 | // pack. | ||||
6204 | for (unsigned ArgIdx = 0; ArgIdx != *NumExpansions; ++ArgIdx) { | ||||
6205 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), ArgIdx); | ||||
6206 | |||||
6207 | QualType U = getDerived().TransformType(PackExpansion->getPattern()); | ||||
6208 | if (U.isNull() || SemaRef.CheckSpecifiedExceptionType(U, Loc)) | ||||
6209 | return true; | ||||
6210 | |||||
6211 | Exceptions.push_back(U); | ||||
6212 | } | ||||
6213 | } else { | ||||
6214 | QualType U = getDerived().TransformType(T); | ||||
6215 | if (U.isNull() || SemaRef.CheckSpecifiedExceptionType(U, Loc)) | ||||
6216 | return true; | ||||
6217 | if (T != U) | ||||
6218 | Changed = true; | ||||
6219 | |||||
6220 | Exceptions.push_back(U); | ||||
6221 | } | ||||
6222 | } | ||||
6223 | |||||
6224 | ESI.Exceptions = Exceptions; | ||||
6225 | if (ESI.Exceptions.empty()) | ||||
6226 | ESI.Type = EST_DynamicNone; | ||||
6227 | return false; | ||||
6228 | } | ||||
6229 | |||||
6230 | template<typename Derived> | ||||
6231 | QualType TreeTransform<Derived>::TransformFunctionNoProtoType( | ||||
6232 | TypeLocBuilder &TLB, | ||||
6233 | FunctionNoProtoTypeLoc TL) { | ||||
6234 | const FunctionNoProtoType *T = TL.getTypePtr(); | ||||
6235 | QualType ResultType = getDerived().TransformType(TLB, TL.getReturnLoc()); | ||||
6236 | if (ResultType.isNull()) | ||||
6237 | return QualType(); | ||||
6238 | |||||
6239 | QualType Result = TL.getType(); | ||||
6240 | if (getDerived().AlwaysRebuild() || ResultType != T->getReturnType()) | ||||
6241 | Result = getDerived().RebuildFunctionNoProtoType(ResultType); | ||||
6242 | |||||
6243 | FunctionNoProtoTypeLoc NewTL = TLB.push<FunctionNoProtoTypeLoc>(Result); | ||||
6244 | NewTL.setLocalRangeBegin(TL.getLocalRangeBegin()); | ||||
6245 | NewTL.setLParenLoc(TL.getLParenLoc()); | ||||
6246 | NewTL.setRParenLoc(TL.getRParenLoc()); | ||||
6247 | NewTL.setLocalRangeEnd(TL.getLocalRangeEnd()); | ||||
6248 | |||||
6249 | return Result; | ||||
6250 | } | ||||
6251 | |||||
6252 | template <typename Derived> | ||||
6253 | QualType TreeTransform<Derived>::TransformUnresolvedUsingType( | ||||
6254 | TypeLocBuilder &TLB, UnresolvedUsingTypeLoc TL) { | ||||
6255 | const UnresolvedUsingType *T = TL.getTypePtr(); | ||||
6256 | Decl *D = getDerived().TransformDecl(TL.getNameLoc(), T->getDecl()); | ||||
6257 | if (!D) | ||||
6258 | return QualType(); | ||||
6259 | |||||
6260 | QualType Result = TL.getType(); | ||||
6261 | if (getDerived().AlwaysRebuild() || D != T->getDecl()) { | ||||
6262 | Result = getDerived().RebuildUnresolvedUsingType(TL.getNameLoc(), D); | ||||
6263 | if (Result.isNull()) | ||||
6264 | return QualType(); | ||||
6265 | } | ||||
6266 | |||||
6267 | // We might get an arbitrary type spec type back. We should at | ||||
6268 | // least always get a type spec type, though. | ||||
6269 | TypeSpecTypeLoc NewTL = TLB.pushTypeSpec(Result); | ||||
6270 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
6271 | |||||
6272 | return Result; | ||||
6273 | } | ||||
6274 | |||||
6275 | template <typename Derived> | ||||
6276 | QualType TreeTransform<Derived>::TransformUsingType(TypeLocBuilder &TLB, | ||||
6277 | UsingTypeLoc TL) { | ||||
6278 | const UsingType *T = TL.getTypePtr(); | ||||
6279 | |||||
6280 | auto *Found = cast_or_null<UsingShadowDecl>(getDerived().TransformDecl( | ||||
6281 | TL.getLocalSourceRange().getBegin(), T->getFoundDecl())); | ||||
6282 | if (!Found) | ||||
6283 | return QualType(); | ||||
6284 | |||||
6285 | QualType Underlying = getDerived().TransformType(T->desugar()); | ||||
6286 | if (Underlying.isNull()) | ||||
6287 | return QualType(); | ||||
6288 | |||||
6289 | QualType Result = TL.getType(); | ||||
6290 | if (getDerived().AlwaysRebuild() || Found != T->getFoundDecl() || | ||||
6291 | Underlying != T->getUnderlyingType()) { | ||||
6292 | Result = getDerived().RebuildUsingType(Found, Underlying); | ||||
6293 | if (Result.isNull()) | ||||
6294 | return QualType(); | ||||
6295 | } | ||||
6296 | |||||
6297 | TLB.pushTypeSpec(Result).setNameLoc(TL.getNameLoc()); | ||||
6298 | return Result; | ||||
6299 | } | ||||
6300 | |||||
6301 | template<typename Derived> | ||||
6302 | QualType TreeTransform<Derived>::TransformTypedefType(TypeLocBuilder &TLB, | ||||
6303 | TypedefTypeLoc TL) { | ||||
6304 | const TypedefType *T = TL.getTypePtr(); | ||||
6305 | TypedefNameDecl *Typedef | ||||
6306 | = cast_or_null<TypedefNameDecl>(getDerived().TransformDecl(TL.getNameLoc(), | ||||
6307 | T->getDecl())); | ||||
6308 | if (!Typedef) | ||||
6309 | return QualType(); | ||||
6310 | |||||
6311 | QualType Result = TL.getType(); | ||||
6312 | if (getDerived().AlwaysRebuild() || | ||||
6313 | Typedef != T->getDecl()) { | ||||
6314 | Result = getDerived().RebuildTypedefType(Typedef); | ||||
6315 | if (Result.isNull()) | ||||
6316 | return QualType(); | ||||
6317 | } | ||||
6318 | |||||
6319 | TypedefTypeLoc NewTL = TLB.push<TypedefTypeLoc>(Result); | ||||
6320 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
6321 | |||||
6322 | return Result; | ||||
6323 | } | ||||
6324 | |||||
6325 | template<typename Derived> | ||||
6326 | QualType TreeTransform<Derived>::TransformTypeOfExprType(TypeLocBuilder &TLB, | ||||
6327 | TypeOfExprTypeLoc TL) { | ||||
6328 | // typeof expressions are not potentially evaluated contexts | ||||
6329 | EnterExpressionEvaluationContext Unevaluated( | ||||
6330 | SemaRef, Sema::ExpressionEvaluationContext::Unevaluated, | ||||
6331 | Sema::ReuseLambdaContextDecl); | ||||
6332 | |||||
6333 | ExprResult E = getDerived().TransformExpr(TL.getUnderlyingExpr()); | ||||
6334 | if (E.isInvalid()) | ||||
6335 | return QualType(); | ||||
6336 | |||||
6337 | E = SemaRef.HandleExprEvaluationContextForTypeof(E.get()); | ||||
6338 | if (E.isInvalid()) | ||||
6339 | return QualType(); | ||||
6340 | |||||
6341 | QualType Result = TL.getType(); | ||||
6342 | TypeOfKind Kind = Result->getAs<TypeOfExprType>()->getKind(); | ||||
6343 | if (getDerived().AlwaysRebuild() || E.get() != TL.getUnderlyingExpr()) { | ||||
6344 | Result = | ||||
6345 | getDerived().RebuildTypeOfExprType(E.get(), TL.getTypeofLoc(), Kind); | ||||
6346 | if (Result.isNull()) | ||||
6347 | return QualType(); | ||||
6348 | } | ||||
6349 | |||||
6350 | TypeOfExprTypeLoc NewTL = TLB.push<TypeOfExprTypeLoc>(Result); | ||||
6351 | NewTL.setTypeofLoc(TL.getTypeofLoc()); | ||||
6352 | NewTL.setLParenLoc(TL.getLParenLoc()); | ||||
6353 | NewTL.setRParenLoc(TL.getRParenLoc()); | ||||
6354 | |||||
6355 | return Result; | ||||
6356 | } | ||||
6357 | |||||
6358 | template<typename Derived> | ||||
6359 | QualType TreeTransform<Derived>::TransformTypeOfType(TypeLocBuilder &TLB, | ||||
6360 | TypeOfTypeLoc TL) { | ||||
6361 | TypeSourceInfo* Old_Under_TI = TL.getUnmodifiedTInfo(); | ||||
6362 | TypeSourceInfo* New_Under_TI = getDerived().TransformType(Old_Under_TI); | ||||
6363 | if (!New_Under_TI) | ||||
6364 | return QualType(); | ||||
6365 | |||||
6366 | QualType Result = TL.getType(); | ||||
6367 | TypeOfKind Kind = Result->getAs<TypeOfType>()->getKind(); | ||||
6368 | if (getDerived().AlwaysRebuild() || New_Under_TI != Old_Under_TI) { | ||||
6369 | Result = getDerived().RebuildTypeOfType(New_Under_TI->getType(), Kind); | ||||
6370 | if (Result.isNull()) | ||||
6371 | return QualType(); | ||||
6372 | } | ||||
6373 | |||||
6374 | TypeOfTypeLoc NewTL = TLB.push<TypeOfTypeLoc>(Result); | ||||
6375 | NewTL.setTypeofLoc(TL.getTypeofLoc()); | ||||
6376 | NewTL.setLParenLoc(TL.getLParenLoc()); | ||||
6377 | NewTL.setRParenLoc(TL.getRParenLoc()); | ||||
6378 | NewTL.setUnmodifiedTInfo(New_Under_TI); | ||||
6379 | |||||
6380 | return Result; | ||||
6381 | } | ||||
6382 | |||||
6383 | template<typename Derived> | ||||
6384 | QualType TreeTransform<Derived>::TransformDecltypeType(TypeLocBuilder &TLB, | ||||
6385 | DecltypeTypeLoc TL) { | ||||
6386 | const DecltypeType *T = TL.getTypePtr(); | ||||
6387 | |||||
6388 | // decltype expressions are not potentially evaluated contexts | ||||
6389 | EnterExpressionEvaluationContext Unevaluated( | ||||
6390 | SemaRef, Sema::ExpressionEvaluationContext::Unevaluated, nullptr, | ||||
6391 | Sema::ExpressionEvaluationContextRecord::EK_Decltype); | ||||
6392 | |||||
6393 | ExprResult E = getDerived().TransformExpr(T->getUnderlyingExpr()); | ||||
6394 | if (E.isInvalid()) | ||||
6395 | return QualType(); | ||||
6396 | |||||
6397 | E = getSema().ActOnDecltypeExpression(E.get()); | ||||
6398 | if (E.isInvalid()) | ||||
6399 | return QualType(); | ||||
6400 | |||||
6401 | QualType Result = TL.getType(); | ||||
6402 | if (getDerived().AlwaysRebuild() || | ||||
6403 | E.get() != T->getUnderlyingExpr()) { | ||||
6404 | Result = getDerived().RebuildDecltypeType(E.get(), TL.getDecltypeLoc()); | ||||
6405 | if (Result.isNull()) | ||||
6406 | return QualType(); | ||||
6407 | } | ||||
6408 | else E.get(); | ||||
6409 | |||||
6410 | DecltypeTypeLoc NewTL = TLB.push<DecltypeTypeLoc>(Result); | ||||
6411 | NewTL.setDecltypeLoc(TL.getDecltypeLoc()); | ||||
6412 | NewTL.setRParenLoc(TL.getRParenLoc()); | ||||
6413 | return Result; | ||||
6414 | } | ||||
6415 | |||||
6416 | template<typename Derived> | ||||
6417 | QualType TreeTransform<Derived>::TransformUnaryTransformType( | ||||
6418 | TypeLocBuilder &TLB, | ||||
6419 | UnaryTransformTypeLoc TL) { | ||||
6420 | QualType Result = TL.getType(); | ||||
6421 | if (Result->isDependentType()) { | ||||
6422 | const UnaryTransformType *T = TL.getTypePtr(); | ||||
6423 | QualType NewBase = | ||||
6424 | getDerived().TransformType(TL.getUnderlyingTInfo())->getType(); | ||||
6425 | Result = getDerived().RebuildUnaryTransformType(NewBase, | ||||
6426 | T->getUTTKind(), | ||||
6427 | TL.getKWLoc()); | ||||
6428 | if (Result.isNull()) | ||||
6429 | return QualType(); | ||||
6430 | } | ||||
6431 | |||||
6432 | UnaryTransformTypeLoc NewTL = TLB.push<UnaryTransformTypeLoc>(Result); | ||||
6433 | NewTL.setKWLoc(TL.getKWLoc()); | ||||
6434 | NewTL.setParensRange(TL.getParensRange()); | ||||
6435 | NewTL.setUnderlyingTInfo(TL.getUnderlyingTInfo()); | ||||
6436 | return Result; | ||||
6437 | } | ||||
6438 | |||||
6439 | template<typename Derived> | ||||
6440 | QualType TreeTransform<Derived>::TransformDeducedTemplateSpecializationType( | ||||
6441 | TypeLocBuilder &TLB, DeducedTemplateSpecializationTypeLoc TL) { | ||||
6442 | const DeducedTemplateSpecializationType *T = TL.getTypePtr(); | ||||
6443 | |||||
6444 | CXXScopeSpec SS; | ||||
6445 | TemplateName TemplateName = getDerived().TransformTemplateName( | ||||
6446 | SS, T->getTemplateName(), TL.getTemplateNameLoc()); | ||||
6447 | if (TemplateName.isNull()) | ||||
6448 | return QualType(); | ||||
6449 | |||||
6450 | QualType OldDeduced = T->getDeducedType(); | ||||
6451 | QualType NewDeduced; | ||||
6452 | if (!OldDeduced.isNull()) { | ||||
6453 | NewDeduced = getDerived().TransformType(OldDeduced); | ||||
6454 | if (NewDeduced.isNull()) | ||||
6455 | return QualType(); | ||||
6456 | } | ||||
6457 | |||||
6458 | QualType Result = getDerived().RebuildDeducedTemplateSpecializationType( | ||||
6459 | TemplateName, NewDeduced); | ||||
6460 | if (Result.isNull()) | ||||
6461 | return QualType(); | ||||
6462 | |||||
6463 | DeducedTemplateSpecializationTypeLoc NewTL = | ||||
6464 | TLB.push<DeducedTemplateSpecializationTypeLoc>(Result); | ||||
6465 | NewTL.setTemplateNameLoc(TL.getTemplateNameLoc()); | ||||
6466 | |||||
6467 | return Result; | ||||
6468 | } | ||||
6469 | |||||
6470 | template<typename Derived> | ||||
6471 | QualType TreeTransform<Derived>::TransformRecordType(TypeLocBuilder &TLB, | ||||
6472 | RecordTypeLoc TL) { | ||||
6473 | const RecordType *T = TL.getTypePtr(); | ||||
6474 | RecordDecl *Record | ||||
6475 | = cast_or_null<RecordDecl>(getDerived().TransformDecl(TL.getNameLoc(), | ||||
6476 | T->getDecl())); | ||||
6477 | if (!Record) | ||||
6478 | return QualType(); | ||||
6479 | |||||
6480 | QualType Result = TL.getType(); | ||||
6481 | if (getDerived().AlwaysRebuild() || | ||||
6482 | Record != T->getDecl()) { | ||||
6483 | Result = getDerived().RebuildRecordType(Record); | ||||
6484 | if (Result.isNull()) | ||||
6485 | return QualType(); | ||||
6486 | } | ||||
6487 | |||||
6488 | RecordTypeLoc NewTL = TLB.push<RecordTypeLoc>(Result); | ||||
6489 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
6490 | |||||
6491 | return Result; | ||||
6492 | } | ||||
6493 | |||||
6494 | template<typename Derived> | ||||
6495 | QualType TreeTransform<Derived>::TransformEnumType(TypeLocBuilder &TLB, | ||||
6496 | EnumTypeLoc TL) { | ||||
6497 | const EnumType *T = TL.getTypePtr(); | ||||
6498 | EnumDecl *Enum | ||||
6499 | = cast_or_null<EnumDecl>(getDerived().TransformDecl(TL.getNameLoc(), | ||||
6500 | T->getDecl())); | ||||
6501 | if (!Enum) | ||||
6502 | return QualType(); | ||||
6503 | |||||
6504 | QualType Result = TL.getType(); | ||||
6505 | if (getDerived().AlwaysRebuild() || | ||||
6506 | Enum != T->getDecl()) { | ||||
6507 | Result = getDerived().RebuildEnumType(Enum); | ||||
6508 | if (Result.isNull()) | ||||
6509 | return QualType(); | ||||
6510 | } | ||||
6511 | |||||
6512 | EnumTypeLoc NewTL = TLB.push<EnumTypeLoc>(Result); | ||||
6513 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
6514 | |||||
6515 | return Result; | ||||
6516 | } | ||||
6517 | |||||
6518 | template<typename Derived> | ||||
6519 | QualType TreeTransform<Derived>::TransformInjectedClassNameType( | ||||
6520 | TypeLocBuilder &TLB, | ||||
6521 | InjectedClassNameTypeLoc TL) { | ||||
6522 | Decl *D = getDerived().TransformDecl(TL.getNameLoc(), | ||||
6523 | TL.getTypePtr()->getDecl()); | ||||
6524 | if (!D) return QualType(); | ||||
6525 | |||||
6526 | QualType T = SemaRef.Context.getTypeDeclType(cast<TypeDecl>(D)); | ||||
6527 | TLB.pushTypeSpec(T).setNameLoc(TL.getNameLoc()); | ||||
6528 | return T; | ||||
6529 | } | ||||
6530 | |||||
6531 | template<typename Derived> | ||||
6532 | QualType TreeTransform<Derived>::TransformTemplateTypeParmType( | ||||
6533 | TypeLocBuilder &TLB, | ||||
6534 | TemplateTypeParmTypeLoc TL) { | ||||
6535 | return getDerived().TransformTemplateTypeParmType( | ||||
6536 | TLB, TL, | ||||
6537 | /*SuppressObjCLifetime=*/false); | ||||
6538 | } | ||||
6539 | |||||
6540 | template <typename Derived> | ||||
6541 | QualType TreeTransform<Derived>::TransformTemplateTypeParmType( | ||||
6542 | TypeLocBuilder &TLB, TemplateTypeParmTypeLoc TL, bool) { | ||||
6543 | return TransformTypeSpecType(TLB, TL); | ||||
6544 | } | ||||
6545 | |||||
6546 | template<typename Derived> | ||||
6547 | QualType TreeTransform<Derived>::TransformSubstTemplateTypeParmType( | ||||
6548 | TypeLocBuilder &TLB, | ||||
6549 | SubstTemplateTypeParmTypeLoc TL) { | ||||
6550 | const SubstTemplateTypeParmType *T = TL.getTypePtr(); | ||||
6551 | |||||
6552 | Decl *NewReplaced = | ||||
6553 | getDerived().TransformDecl(TL.getNameLoc(), T->getAssociatedDecl()); | ||||
6554 | |||||
6555 | // Substitute into the replacement type, which itself might involve something | ||||
6556 | // that needs to be transformed. This only tends to occur with default | ||||
6557 | // template arguments of template template parameters. | ||||
6558 | TemporaryBase Rebase(*this, TL.getNameLoc(), DeclarationName()); | ||||
6559 | QualType Replacement = getDerived().TransformType(T->getReplacementType()); | ||||
6560 | if (Replacement.isNull()) | ||||
6561 | return QualType(); | ||||
6562 | |||||
6563 | QualType Result = SemaRef.Context.getSubstTemplateTypeParmType( | ||||
6564 | Replacement, NewReplaced, T->getIndex(), T->getPackIndex()); | ||||
6565 | |||||
6566 | // Propagate type-source information. | ||||
6567 | SubstTemplateTypeParmTypeLoc NewTL | ||||
6568 | = TLB.push<SubstTemplateTypeParmTypeLoc>(Result); | ||||
6569 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
6570 | return Result; | ||||
6571 | |||||
6572 | } | ||||
6573 | |||||
6574 | template<typename Derived> | ||||
6575 | QualType TreeTransform<Derived>::TransformSubstTemplateTypeParmPackType( | ||||
6576 | TypeLocBuilder &TLB, | ||||
6577 | SubstTemplateTypeParmPackTypeLoc TL) { | ||||
6578 | return getDerived().TransformSubstTemplateTypeParmPackType( | ||||
6579 | TLB, TL, /*SuppressObjCLifetime=*/false); | ||||
6580 | } | ||||
6581 | |||||
6582 | template <typename Derived> | ||||
6583 | QualType TreeTransform<Derived>::TransformSubstTemplateTypeParmPackType( | ||||
6584 | TypeLocBuilder &TLB, SubstTemplateTypeParmPackTypeLoc TL, bool) { | ||||
6585 | return TransformTypeSpecType(TLB, TL); | ||||
6586 | } | ||||
6587 | |||||
6588 | template<typename Derived> | ||||
6589 | QualType TreeTransform<Derived>::TransformTemplateSpecializationType( | ||||
6590 | TypeLocBuilder &TLB, | ||||
6591 | TemplateSpecializationTypeLoc TL) { | ||||
6592 | const TemplateSpecializationType *T = TL.getTypePtr(); | ||||
6593 | |||||
6594 | // The nested-name-specifier never matters in a TemplateSpecializationType, | ||||
6595 | // because we can't have a dependent nested-name-specifier anyway. | ||||
6596 | CXXScopeSpec SS; | ||||
6597 | TemplateName Template | ||||
6598 | = getDerived().TransformTemplateName(SS, T->getTemplateName(), | ||||
6599 | TL.getTemplateNameLoc()); | ||||
6600 | if (Template.isNull()) | ||||
6601 | return QualType(); | ||||
6602 | |||||
6603 | return getDerived().TransformTemplateSpecializationType(TLB, TL, Template); | ||||
6604 | } | ||||
6605 | |||||
6606 | template<typename Derived> | ||||
6607 | QualType TreeTransform<Derived>::TransformAtomicType(TypeLocBuilder &TLB, | ||||
6608 | AtomicTypeLoc TL) { | ||||
6609 | QualType ValueType = getDerived().TransformType(TLB, TL.getValueLoc()); | ||||
6610 | if (ValueType.isNull()) | ||||
6611 | return QualType(); | ||||
6612 | |||||
6613 | QualType Result = TL.getType(); | ||||
6614 | if (getDerived().AlwaysRebuild() || | ||||
6615 | ValueType != TL.getValueLoc().getType()) { | ||||
6616 | Result = getDerived().RebuildAtomicType(ValueType, TL.getKWLoc()); | ||||
6617 | if (Result.isNull()) | ||||
6618 | return QualType(); | ||||
6619 | } | ||||
6620 | |||||
6621 | AtomicTypeLoc NewTL = TLB.push<AtomicTypeLoc>(Result); | ||||
6622 | NewTL.setKWLoc(TL.getKWLoc()); | ||||
6623 | NewTL.setLParenLoc(TL.getLParenLoc()); | ||||
6624 | NewTL.setRParenLoc(TL.getRParenLoc()); | ||||
6625 | |||||
6626 | return Result; | ||||
6627 | } | ||||
6628 | |||||
6629 | template <typename Derived> | ||||
6630 | QualType TreeTransform<Derived>::TransformPipeType(TypeLocBuilder &TLB, | ||||
6631 | PipeTypeLoc TL) { | ||||
6632 | QualType ValueType = getDerived().TransformType(TLB, TL.getValueLoc()); | ||||
6633 | if (ValueType.isNull()) | ||||
6634 | return QualType(); | ||||
6635 | |||||
6636 | QualType Result = TL.getType(); | ||||
6637 | if (getDerived().AlwaysRebuild() || ValueType != TL.getValueLoc().getType()) { | ||||
6638 | const PipeType *PT = Result->castAs<PipeType>(); | ||||
6639 | bool isReadPipe = PT->isReadOnly(); | ||||
6640 | Result = getDerived().RebuildPipeType(ValueType, TL.getKWLoc(), isReadPipe); | ||||
6641 | if (Result.isNull()) | ||||
6642 | return QualType(); | ||||
6643 | } | ||||
6644 | |||||
6645 | PipeTypeLoc NewTL = TLB.push<PipeTypeLoc>(Result); | ||||
6646 | NewTL.setKWLoc(TL.getKWLoc()); | ||||
6647 | |||||
6648 | return Result; | ||||
6649 | } | ||||
6650 | |||||
6651 | template <typename Derived> | ||||
6652 | QualType TreeTransform<Derived>::TransformBitIntType(TypeLocBuilder &TLB, | ||||
6653 | BitIntTypeLoc TL) { | ||||
6654 | const BitIntType *EIT = TL.getTypePtr(); | ||||
6655 | QualType Result = TL.getType(); | ||||
6656 | |||||
6657 | if (getDerived().AlwaysRebuild()) { | ||||
6658 | Result = getDerived().RebuildBitIntType(EIT->isUnsigned(), | ||||
6659 | EIT->getNumBits(), TL.getNameLoc()); | ||||
6660 | if (Result.isNull()) | ||||
6661 | return QualType(); | ||||
6662 | } | ||||
6663 | |||||
6664 | BitIntTypeLoc NewTL = TLB.push<BitIntTypeLoc>(Result); | ||||
6665 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
6666 | return Result; | ||||
6667 | } | ||||
6668 | |||||
6669 | template <typename Derived> | ||||
6670 | QualType TreeTransform<Derived>::TransformDependentBitIntType( | ||||
6671 | TypeLocBuilder &TLB, DependentBitIntTypeLoc TL) { | ||||
6672 | const DependentBitIntType *EIT = TL.getTypePtr(); | ||||
6673 | |||||
6674 | EnterExpressionEvaluationContext Unevaluated( | ||||
6675 | SemaRef, Sema::ExpressionEvaluationContext::ConstantEvaluated); | ||||
6676 | ExprResult BitsExpr = getDerived().TransformExpr(EIT->getNumBitsExpr()); | ||||
6677 | BitsExpr = SemaRef.ActOnConstantExpression(BitsExpr); | ||||
6678 | |||||
6679 | if (BitsExpr.isInvalid()) | ||||
6680 | return QualType(); | ||||
6681 | |||||
6682 | QualType Result = TL.getType(); | ||||
6683 | |||||
6684 | if (getDerived().AlwaysRebuild() || BitsExpr.get() != EIT->getNumBitsExpr()) { | ||||
6685 | Result = getDerived().RebuildDependentBitIntType( | ||||
6686 | EIT->isUnsigned(), BitsExpr.get(), TL.getNameLoc()); | ||||
6687 | |||||
6688 | if (Result.isNull()) | ||||
6689 | return QualType(); | ||||
6690 | } | ||||
6691 | |||||
6692 | if (isa<DependentBitIntType>(Result)) { | ||||
6693 | DependentBitIntTypeLoc NewTL = TLB.push<DependentBitIntTypeLoc>(Result); | ||||
6694 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
6695 | } else { | ||||
6696 | BitIntTypeLoc NewTL = TLB.push<BitIntTypeLoc>(Result); | ||||
6697 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
6698 | } | ||||
6699 | return Result; | ||||
6700 | } | ||||
6701 | |||||
6702 | /// Simple iterator that traverses the template arguments in a | ||||
6703 | /// container that provides a \c getArgLoc() member function. | ||||
6704 | /// | ||||
6705 | /// This iterator is intended to be used with the iterator form of | ||||
6706 | /// \c TreeTransform<Derived>::TransformTemplateArguments(). | ||||
6707 | template<typename ArgLocContainer> | ||||
6708 | class TemplateArgumentLocContainerIterator { | ||||
6709 | ArgLocContainer *Container; | ||||
6710 | unsigned Index; | ||||
6711 | |||||
6712 | public: | ||||
6713 | typedef TemplateArgumentLoc value_type; | ||||
6714 | typedef TemplateArgumentLoc reference; | ||||
6715 | typedef int difference_type; | ||||
6716 | typedef std::input_iterator_tag iterator_category; | ||||
6717 | |||||
6718 | class pointer { | ||||
6719 | TemplateArgumentLoc Arg; | ||||
6720 | |||||
6721 | public: | ||||
6722 | explicit pointer(TemplateArgumentLoc Arg) : Arg(Arg) { } | ||||
6723 | |||||
6724 | const TemplateArgumentLoc *operator->() const { | ||||
6725 | return &Arg; | ||||
6726 | } | ||||
6727 | }; | ||||
6728 | |||||
6729 | |||||
6730 | TemplateArgumentLocContainerIterator() {} | ||||
6731 | |||||
6732 | TemplateArgumentLocContainerIterator(ArgLocContainer &Container, | ||||
6733 | unsigned Index) | ||||
6734 | : Container(&Container), Index(Index) { } | ||||
6735 | |||||
6736 | TemplateArgumentLocContainerIterator &operator++() { | ||||
6737 | ++Index; | ||||
6738 | return *this; | ||||
6739 | } | ||||
6740 | |||||
6741 | TemplateArgumentLocContainerIterator operator++(int) { | ||||
6742 | TemplateArgumentLocContainerIterator Old(*this); | ||||
6743 | ++(*this); | ||||
6744 | return Old; | ||||
6745 | } | ||||
6746 | |||||
6747 | TemplateArgumentLoc operator*() const { | ||||
6748 | return Container->getArgLoc(Index); | ||||
6749 | } | ||||
6750 | |||||
6751 | pointer operator->() const { | ||||
6752 | return pointer(Container->getArgLoc(Index)); | ||||
6753 | } | ||||
6754 | |||||
6755 | friend bool operator==(const TemplateArgumentLocContainerIterator &X, | ||||
6756 | const TemplateArgumentLocContainerIterator &Y) { | ||||
6757 | return X.Container == Y.Container && X.Index == Y.Index; | ||||
6758 | } | ||||
6759 | |||||
6760 | friend bool operator!=(const TemplateArgumentLocContainerIterator &X, | ||||
6761 | const TemplateArgumentLocContainerIterator &Y) { | ||||
6762 | return !(X == Y); | ||||
6763 | } | ||||
6764 | }; | ||||
6765 | |||||
6766 | template<typename Derived> | ||||
6767 | QualType TreeTransform<Derived>::TransformAutoType(TypeLocBuilder &TLB, | ||||
6768 | AutoTypeLoc TL) { | ||||
6769 | const AutoType *T = TL.getTypePtr(); | ||||
6770 | QualType OldDeduced = T->getDeducedType(); | ||||
6771 | QualType NewDeduced; | ||||
6772 | if (!OldDeduced.isNull()) { | ||||
6773 | NewDeduced = getDerived().TransformType(OldDeduced); | ||||
6774 | if (NewDeduced.isNull()) | ||||
6775 | return QualType(); | ||||
6776 | } | ||||
6777 | |||||
6778 | ConceptDecl *NewCD = nullptr; | ||||
6779 | TemplateArgumentListInfo NewTemplateArgs; | ||||
6780 | NestedNameSpecifierLoc NewNestedNameSpec; | ||||
6781 | if (T->isConstrained()) { | ||||
6782 | NewCD = cast_or_null<ConceptDecl>(getDerived().TransformDecl( | ||||
6783 | TL.getConceptNameLoc(), T->getTypeConstraintConcept())); | ||||
6784 | |||||
6785 | NewTemplateArgs.setLAngleLoc(TL.getLAngleLoc()); | ||||
6786 | NewTemplateArgs.setRAngleLoc(TL.getRAngleLoc()); | ||||
6787 | typedef TemplateArgumentLocContainerIterator<AutoTypeLoc> ArgIterator; | ||||
6788 | if (getDerived().TransformTemplateArguments(ArgIterator(TL, 0), | ||||
6789 | ArgIterator(TL, | ||||
6790 | TL.getNumArgs()), | ||||
6791 | NewTemplateArgs)) | ||||
6792 | return QualType(); | ||||
6793 | |||||
6794 | if (TL.getNestedNameSpecifierLoc()) { | ||||
6795 | NewNestedNameSpec | ||||
6796 | = getDerived().TransformNestedNameSpecifierLoc( | ||||
6797 | TL.getNestedNameSpecifierLoc()); | ||||
6798 | if (!NewNestedNameSpec) | ||||
6799 | return QualType(); | ||||
6800 | } | ||||
6801 | } | ||||
6802 | |||||
6803 | QualType Result = TL.getType(); | ||||
6804 | if (getDerived().AlwaysRebuild() || NewDeduced != OldDeduced || | ||||
6805 | T->isDependentType() || T->isConstrained()) { | ||||
6806 | // FIXME: Maybe don't rebuild if all template arguments are the same. | ||||
6807 | llvm::SmallVector<TemplateArgument, 4> NewArgList; | ||||
6808 | NewArgList.reserve(NewTemplateArgs.size()); | ||||
6809 | for (const auto &ArgLoc : NewTemplateArgs.arguments()) | ||||
6810 | NewArgList.push_back(ArgLoc.getArgument()); | ||||
6811 | Result = getDerived().RebuildAutoType(NewDeduced, T->getKeyword(), NewCD, | ||||
6812 | NewArgList); | ||||
6813 | if (Result.isNull()) | ||||
6814 | return QualType(); | ||||
6815 | } | ||||
6816 | |||||
6817 | AutoTypeLoc NewTL = TLB.push<AutoTypeLoc>(Result); | ||||
6818 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
6819 | NewTL.setNestedNameSpecifierLoc(NewNestedNameSpec); | ||||
6820 | NewTL.setTemplateKWLoc(TL.getTemplateKWLoc()); | ||||
6821 | NewTL.setConceptNameLoc(TL.getConceptNameLoc()); | ||||
6822 | NewTL.setFoundDecl(TL.getFoundDecl()); | ||||
6823 | NewTL.setLAngleLoc(TL.getLAngleLoc()); | ||||
6824 | NewTL.setRAngleLoc(TL.getRAngleLoc()); | ||||
6825 | NewTL.setRParenLoc(TL.getRParenLoc()); | ||||
6826 | for (unsigned I = 0; I < NewTL.getNumArgs(); ++I) | ||||
6827 | NewTL.setArgLocInfo(I, NewTemplateArgs.arguments()[I].getLocInfo()); | ||||
6828 | |||||
6829 | return Result; | ||||
6830 | } | ||||
6831 | |||||
6832 | template <typename Derived> | ||||
6833 | QualType TreeTransform<Derived>::TransformTemplateSpecializationType( | ||||
6834 | TypeLocBuilder &TLB, | ||||
6835 | TemplateSpecializationTypeLoc TL, | ||||
6836 | TemplateName Template) { | ||||
6837 | TemplateArgumentListInfo NewTemplateArgs; | ||||
6838 | NewTemplateArgs.setLAngleLoc(TL.getLAngleLoc()); | ||||
6839 | NewTemplateArgs.setRAngleLoc(TL.getRAngleLoc()); | ||||
6840 | typedef TemplateArgumentLocContainerIterator<TemplateSpecializationTypeLoc> | ||||
6841 | ArgIterator; | ||||
6842 | if (getDerived().TransformTemplateArguments(ArgIterator(TL, 0), | ||||
6843 | ArgIterator(TL, TL.getNumArgs()), | ||||
6844 | NewTemplateArgs)) | ||||
6845 | return QualType(); | ||||
6846 | |||||
6847 | // FIXME: maybe don't rebuild if all the template arguments are the same. | ||||
6848 | |||||
6849 | QualType Result = | ||||
6850 | getDerived().RebuildTemplateSpecializationType(Template, | ||||
6851 | TL.getTemplateNameLoc(), | ||||
6852 | NewTemplateArgs); | ||||
6853 | |||||
6854 | if (!Result.isNull()) { | ||||
6855 | // Specializations of template template parameters are represented as | ||||
6856 | // TemplateSpecializationTypes, and substitution of type alias templates | ||||
6857 | // within a dependent context can transform them into | ||||
6858 | // DependentTemplateSpecializationTypes. | ||||
6859 | if (isa<DependentTemplateSpecializationType>(Result)) { | ||||
6860 | DependentTemplateSpecializationTypeLoc NewTL | ||||
6861 | = TLB.push<DependentTemplateSpecializationTypeLoc>(Result); | ||||
6862 | NewTL.setElaboratedKeywordLoc(SourceLocation()); | ||||
6863 | NewTL.setQualifierLoc(NestedNameSpecifierLoc()); | ||||
6864 | NewTL.setTemplateKeywordLoc(TL.getTemplateKeywordLoc()); | ||||
6865 | NewTL.setTemplateNameLoc(TL.getTemplateNameLoc()); | ||||
6866 | NewTL.setLAngleLoc(TL.getLAngleLoc()); | ||||
6867 | NewTL.setRAngleLoc(TL.getRAngleLoc()); | ||||
6868 | for (unsigned i = 0, e = NewTemplateArgs.size(); i != e; ++i) | ||||
6869 | NewTL.setArgLocInfo(i, NewTemplateArgs[i].getLocInfo()); | ||||
6870 | return Result; | ||||
6871 | } | ||||
6872 | |||||
6873 | TemplateSpecializationTypeLoc NewTL | ||||
6874 | = TLB.push<TemplateSpecializationTypeLoc>(Result); | ||||
6875 | NewTL.setTemplateKeywordLoc(TL.getTemplateKeywordLoc()); | ||||
6876 | NewTL.setTemplateNameLoc(TL.getTemplateNameLoc()); | ||||
6877 | NewTL.setLAngleLoc(TL.getLAngleLoc()); | ||||
6878 | NewTL.setRAngleLoc(TL.getRAngleLoc()); | ||||
6879 | for (unsigned i = 0, e = NewTemplateArgs.size(); i != e; ++i) | ||||
6880 | NewTL.setArgLocInfo(i, NewTemplateArgs[i].getLocInfo()); | ||||
6881 | } | ||||
6882 | |||||
6883 | return Result; | ||||
6884 | } | ||||
6885 | |||||
6886 | template <typename Derived> | ||||
6887 | QualType TreeTransform<Derived>::TransformDependentTemplateSpecializationType( | ||||
6888 | TypeLocBuilder &TLB, | ||||
6889 | DependentTemplateSpecializationTypeLoc TL, | ||||
6890 | TemplateName Template, | ||||
6891 | CXXScopeSpec &SS) { | ||||
6892 | TemplateArgumentListInfo NewTemplateArgs; | ||||
6893 | NewTemplateArgs.setLAngleLoc(TL.getLAngleLoc()); | ||||
6894 | NewTemplateArgs.setRAngleLoc(TL.getRAngleLoc()); | ||||
6895 | typedef TemplateArgumentLocContainerIterator< | ||||
6896 | DependentTemplateSpecializationTypeLoc> ArgIterator; | ||||
6897 | if (getDerived().TransformTemplateArguments(ArgIterator(TL, 0), | ||||
6898 | ArgIterator(TL, TL.getNumArgs()), | ||||
6899 | NewTemplateArgs)) | ||||
6900 | return QualType(); | ||||
6901 | |||||
6902 | // FIXME: maybe don't rebuild if all the template arguments are the same. | ||||
6903 | |||||
6904 | if (DependentTemplateName *DTN = Template.getAsDependentTemplateName()) { | ||||
6905 | QualType Result = getSema().Context.getDependentTemplateSpecializationType( | ||||
6906 | TL.getTypePtr()->getKeyword(), DTN->getQualifier(), | ||||
6907 | DTN->getIdentifier(), NewTemplateArgs.arguments()); | ||||
6908 | |||||
6909 | DependentTemplateSpecializationTypeLoc NewTL | ||||
6910 | = TLB.push<DependentTemplateSpecializationTypeLoc>(Result); | ||||
6911 | NewTL.setElaboratedKeywordLoc(TL.getElaboratedKeywordLoc()); | ||||
6912 | NewTL.setQualifierLoc(SS.getWithLocInContext(SemaRef.Context)); | ||||
6913 | NewTL.setTemplateKeywordLoc(TL.getTemplateKeywordLoc()); | ||||
6914 | NewTL.setTemplateNameLoc(TL.getTemplateNameLoc()); | ||||
6915 | NewTL.setLAngleLoc(TL.getLAngleLoc()); | ||||
6916 | NewTL.setRAngleLoc(TL.getRAngleLoc()); | ||||
6917 | for (unsigned i = 0, e = NewTemplateArgs.size(); i != e; ++i) | ||||
6918 | NewTL.setArgLocInfo(i, NewTemplateArgs[i].getLocInfo()); | ||||
6919 | return Result; | ||||
6920 | } | ||||
6921 | |||||
6922 | QualType Result | ||||
6923 | = getDerived().RebuildTemplateSpecializationType(Template, | ||||
6924 | TL.getTemplateNameLoc(), | ||||
6925 | NewTemplateArgs); | ||||
6926 | |||||
6927 | if (!Result.isNull()) { | ||||
6928 | /// FIXME: Wrap this in an elaborated-type-specifier? | ||||
6929 | TemplateSpecializationTypeLoc NewTL | ||||
6930 | = TLB.push<TemplateSpecializationTypeLoc>(Result); | ||||
6931 | NewTL.setTemplateKeywordLoc(TL.getTemplateKeywordLoc()); | ||||
6932 | NewTL.setTemplateNameLoc(TL.getTemplateNameLoc()); | ||||
6933 | NewTL.setLAngleLoc(TL.getLAngleLoc()); | ||||
6934 | NewTL.setRAngleLoc(TL.getRAngleLoc()); | ||||
6935 | for (unsigned i = 0, e = NewTemplateArgs.size(); i != e; ++i) | ||||
6936 | NewTL.setArgLocInfo(i, NewTemplateArgs[i].getLocInfo()); | ||||
6937 | } | ||||
6938 | |||||
6939 | return Result; | ||||
6940 | } | ||||
6941 | |||||
6942 | template<typename Derived> | ||||
6943 | QualType | ||||
6944 | TreeTransform<Derived>::TransformElaboratedType(TypeLocBuilder &TLB, | ||||
6945 | ElaboratedTypeLoc TL) { | ||||
6946 | const ElaboratedType *T = TL.getTypePtr(); | ||||
6947 | |||||
6948 | NestedNameSpecifierLoc QualifierLoc; | ||||
6949 | // NOTE: the qualifier in an ElaboratedType is optional. | ||||
6950 | if (TL.getQualifierLoc()) { | ||||
6951 | QualifierLoc | ||||
6952 | = getDerived().TransformNestedNameSpecifierLoc(TL.getQualifierLoc()); | ||||
6953 | if (!QualifierLoc) | ||||
6954 | return QualType(); | ||||
6955 | } | ||||
6956 | |||||
6957 | QualType NamedT = getDerived().TransformType(TLB, TL.getNamedTypeLoc()); | ||||
6958 | if (NamedT.isNull()) | ||||
6959 | return QualType(); | ||||
6960 | |||||
6961 | // C++0x [dcl.type.elab]p2: | ||||
6962 | // If the identifier resolves to a typedef-name or the simple-template-id | ||||
6963 | // resolves to an alias template specialization, the | ||||
6964 | // elaborated-type-specifier is ill-formed. | ||||
6965 | if (T->getKeyword() != ETK_None && T->getKeyword() != ETK_Typename) { | ||||
6966 | if (const TemplateSpecializationType *TST = | ||||
6967 | NamedT->getAs<TemplateSpecializationType>()) { | ||||
6968 | TemplateName Template = TST->getTemplateName(); | ||||
6969 | if (TypeAliasTemplateDecl *TAT = dyn_cast_or_null<TypeAliasTemplateDecl>( | ||||
6970 | Template.getAsTemplateDecl())) { | ||||
6971 | SemaRef.Diag(TL.getNamedTypeLoc().getBeginLoc(), | ||||
6972 | diag::err_tag_reference_non_tag) | ||||
6973 | << TAT << Sema::NTK_TypeAliasTemplate | ||||
6974 | << ElaboratedType::getTagTypeKindForKeyword(T->getKeyword()); | ||||
6975 | SemaRef.Diag(TAT->getLocation(), diag::note_declared_at); | ||||
6976 | } | ||||
6977 | } | ||||
6978 | } | ||||
6979 | |||||
6980 | QualType Result = TL.getType(); | ||||
6981 | if (getDerived().AlwaysRebuild() || | ||||
6982 | QualifierLoc != TL.getQualifierLoc() || | ||||
6983 | NamedT != T->getNamedType()) { | ||||
6984 | Result = getDerived().RebuildElaboratedType(TL.getElaboratedKeywordLoc(), | ||||
6985 | T->getKeyword(), | ||||
6986 | QualifierLoc, NamedT); | ||||
6987 | if (Result.isNull()) | ||||
6988 | return QualType(); | ||||
6989 | } | ||||
6990 | |||||
6991 | ElaboratedTypeLoc NewTL = TLB.push<ElaboratedTypeLoc>(Result); | ||||
6992 | NewTL.setElaboratedKeywordLoc(TL.getElaboratedKeywordLoc()); | ||||
6993 | NewTL.setQualifierLoc(QualifierLoc); | ||||
6994 | return Result; | ||||
6995 | } | ||||
6996 | |||||
6997 | template<typename Derived> | ||||
6998 | QualType TreeTransform<Derived>::TransformAttributedType( | ||||
6999 | TypeLocBuilder &TLB, | ||||
7000 | AttributedTypeLoc TL) { | ||||
7001 | const AttributedType *oldType = TL.getTypePtr(); | ||||
7002 | QualType modifiedType = getDerived().TransformType(TLB, TL.getModifiedLoc()); | ||||
7003 | if (modifiedType.isNull()) | ||||
7004 | return QualType(); | ||||
7005 | |||||
7006 | // oldAttr can be null if we started with a QualType rather than a TypeLoc. | ||||
7007 | const Attr *oldAttr = TL.getAttr(); | ||||
7008 | const Attr *newAttr = oldAttr ? getDerived().TransformAttr(oldAttr) : nullptr; | ||||
7009 | if (oldAttr && !newAttr) | ||||
7010 | return QualType(); | ||||
7011 | |||||
7012 | QualType result = TL.getType(); | ||||
7013 | |||||
7014 | // FIXME: dependent operand expressions? | ||||
7015 | if (getDerived().AlwaysRebuild() || | ||||
7016 | modifiedType != oldType->getModifiedType()) { | ||||
7017 | // TODO: this is really lame; we should really be rebuilding the | ||||
7018 | // equivalent type from first principles. | ||||
7019 | QualType equivalentType | ||||
7020 | = getDerived().TransformType(oldType->getEquivalentType()); | ||||
7021 | if (equivalentType.isNull()) | ||||
7022 | return QualType(); | ||||
7023 | |||||
7024 | // Check whether we can add nullability; it is only represented as | ||||
7025 | // type sugar, and therefore cannot be diagnosed in any other way. | ||||
7026 | if (auto nullability = oldType->getImmediateNullability()) { | ||||
7027 | if (!modifiedType->canHaveNullability()) { | ||||
7028 | SemaRef.Diag((TL.getAttr() ? TL.getAttr()->getLocation() | ||||
7029 | : TL.getModifiedLoc().getBeginLoc()), | ||||
7030 | diag::err_nullability_nonpointer) | ||||
7031 | << DiagNullabilityKind(*nullability, false) << modifiedType; | ||||
7032 | return QualType(); | ||||
7033 | } | ||||
7034 | } | ||||
7035 | |||||
7036 | result = SemaRef.Context.getAttributedType(TL.getAttrKind(), | ||||
7037 | modifiedType, | ||||
7038 | equivalentType); | ||||
7039 | } | ||||
7040 | |||||
7041 | AttributedTypeLoc newTL = TLB.push<AttributedTypeLoc>(result); | ||||
7042 | newTL.setAttr(newAttr); | ||||
7043 | return result; | ||||
7044 | } | ||||
7045 | |||||
7046 | template <typename Derived> | ||||
7047 | QualType TreeTransform<Derived>::TransformBTFTagAttributedType( | ||||
7048 | TypeLocBuilder &TLB, BTFTagAttributedTypeLoc TL) { | ||||
7049 | // The BTFTagAttributedType is available for C only. | ||||
7050 | llvm_unreachable("Unexpected TreeTransform for BTFTagAttributedType")::llvm::llvm_unreachable_internal("Unexpected TreeTransform for BTFTagAttributedType" , "clang/lib/Sema/TreeTransform.h", 7050); | ||||
7051 | } | ||||
7052 | |||||
7053 | template<typename Derived> | ||||
7054 | QualType | ||||
7055 | TreeTransform<Derived>::TransformParenType(TypeLocBuilder &TLB, | ||||
7056 | ParenTypeLoc TL) { | ||||
7057 | QualType Inner = getDerived().TransformType(TLB, TL.getInnerLoc()); | ||||
7058 | if (Inner.isNull()) | ||||
7059 | return QualType(); | ||||
7060 | |||||
7061 | QualType Result = TL.getType(); | ||||
7062 | if (getDerived().AlwaysRebuild() || | ||||
7063 | Inner != TL.getInnerLoc().getType()) { | ||||
7064 | Result = getDerived().RebuildParenType(Inner); | ||||
7065 | if (Result.isNull()) | ||||
7066 | return QualType(); | ||||
7067 | } | ||||
7068 | |||||
7069 | ParenTypeLoc NewTL = TLB.push<ParenTypeLoc>(Result); | ||||
7070 | NewTL.setLParenLoc(TL.getLParenLoc()); | ||||
7071 | NewTL.setRParenLoc(TL.getRParenLoc()); | ||||
7072 | return Result; | ||||
7073 | } | ||||
7074 | |||||
7075 | template <typename Derived> | ||||
7076 | QualType | ||||
7077 | TreeTransform<Derived>::TransformMacroQualifiedType(TypeLocBuilder &TLB, | ||||
7078 | MacroQualifiedTypeLoc TL) { | ||||
7079 | QualType Inner = getDerived().TransformType(TLB, TL.getInnerLoc()); | ||||
7080 | if (Inner.isNull()) | ||||
7081 | return QualType(); | ||||
7082 | |||||
7083 | QualType Result = TL.getType(); | ||||
7084 | if (getDerived().AlwaysRebuild() || Inner != TL.getInnerLoc().getType()) { | ||||
7085 | Result = | ||||
7086 | getDerived().RebuildMacroQualifiedType(Inner, TL.getMacroIdentifier()); | ||||
7087 | if (Result.isNull()) | ||||
7088 | return QualType(); | ||||
7089 | } | ||||
7090 | |||||
7091 | MacroQualifiedTypeLoc NewTL = TLB.push<MacroQualifiedTypeLoc>(Result); | ||||
7092 | NewTL.setExpansionLoc(TL.getExpansionLoc()); | ||||
7093 | return Result; | ||||
7094 | } | ||||
7095 | |||||
7096 | template<typename Derived> | ||||
7097 | QualType TreeTransform<Derived>::TransformDependentNameType( | ||||
7098 | TypeLocBuilder &TLB, DependentNameTypeLoc TL) { | ||||
7099 | return TransformDependentNameType(TLB, TL, false); | ||||
7100 | } | ||||
7101 | |||||
7102 | template<typename Derived> | ||||
7103 | QualType TreeTransform<Derived>::TransformDependentNameType( | ||||
7104 | TypeLocBuilder &TLB, DependentNameTypeLoc TL, bool DeducedTSTContext) { | ||||
7105 | const DependentNameType *T = TL.getTypePtr(); | ||||
7106 | |||||
7107 | NestedNameSpecifierLoc QualifierLoc | ||||
7108 | = getDerived().TransformNestedNameSpecifierLoc(TL.getQualifierLoc()); | ||||
7109 | if (!QualifierLoc) | ||||
7110 | return QualType(); | ||||
7111 | |||||
7112 | QualType Result | ||||
7113 | = getDerived().RebuildDependentNameType(T->getKeyword(), | ||||
7114 | TL.getElaboratedKeywordLoc(), | ||||
7115 | QualifierLoc, | ||||
7116 | T->getIdentifier(), | ||||
7117 | TL.getNameLoc(), | ||||
7118 | DeducedTSTContext); | ||||
7119 | if (Result.isNull()) | ||||
7120 | return QualType(); | ||||
7121 | |||||
7122 | if (const ElaboratedType* ElabT = Result->getAs<ElaboratedType>()) { | ||||
7123 | QualType NamedT = ElabT->getNamedType(); | ||||
7124 | TLB.pushTypeSpec(NamedT).setNameLoc(TL.getNameLoc()); | ||||
7125 | |||||
7126 | ElaboratedTypeLoc NewTL = TLB.push<ElaboratedTypeLoc>(Result); | ||||
7127 | NewTL.setElaboratedKeywordLoc(TL.getElaboratedKeywordLoc()); | ||||
7128 | NewTL.setQualifierLoc(QualifierLoc); | ||||
7129 | } else { | ||||
7130 | DependentNameTypeLoc NewTL = TLB.push<DependentNameTypeLoc>(Result); | ||||
7131 | NewTL.setElaboratedKeywordLoc(TL.getElaboratedKeywordLoc()); | ||||
7132 | NewTL.setQualifierLoc(QualifierLoc); | ||||
7133 | NewTL.setNameLoc(TL.getNameLoc()); | ||||
7134 | } | ||||
7135 | return Result; | ||||
7136 | } | ||||
7137 | |||||
7138 | template<typename Derived> | ||||
7139 | QualType TreeTransform<Derived>:: | ||||
7140 | TransformDependentTemplateSpecializationType(TypeLocBuilder &TLB, | ||||
7141 | DependentTemplateSpecializationTypeLoc TL) { | ||||
7142 | NestedNameSpecifierLoc QualifierLoc; | ||||
7143 | if (TL.getQualifierLoc()) { | ||||
7144 | QualifierLoc | ||||
7145 | = getDerived().TransformNestedNameSpecifierLoc(TL.getQualifierLoc()); | ||||
7146 | if (!QualifierLoc) | ||||
7147 | return QualType(); | ||||
7148 | } | ||||
7149 | |||||
7150 | return getDerived() | ||||
7151 | .TransformDependentTemplateSpecializationType(TLB, TL, QualifierLoc); | ||||
7152 | } | ||||
7153 | |||||
7154 | template<typename Derived> | ||||
7155 | QualType TreeTransform<Derived>:: | ||||
7156 | TransformDependentTemplateSpecializationType(TypeLocBuilder &TLB, | ||||
7157 | DependentTemplateSpecializationTypeLoc TL, | ||||
7158 | NestedNameSpecifierLoc QualifierLoc) { | ||||
7159 | const DependentTemplateSpecializationType *T = TL.getTypePtr(); | ||||
7160 | |||||
7161 | TemplateArgumentListInfo NewTemplateArgs; | ||||
7162 | NewTemplateArgs.setLAngleLoc(TL.getLAngleLoc()); | ||||
7163 | NewTemplateArgs.setRAngleLoc(TL.getRAngleLoc()); | ||||
7164 | |||||
7165 | typedef TemplateArgumentLocContainerIterator< | ||||
7166 | DependentTemplateSpecializationTypeLoc> ArgIterator; | ||||
7167 | if (getDerived().TransformTemplateArguments(ArgIterator(TL, 0), | ||||
7168 | ArgIterator(TL, TL.getNumArgs()), | ||||
7169 | NewTemplateArgs)) | ||||
7170 | return QualType(); | ||||
7171 | |||||
7172 | QualType Result = getDerived().RebuildDependentTemplateSpecializationType( | ||||
7173 | T->getKeyword(), QualifierLoc, TL.getTemplateKeywordLoc(), | ||||
7174 | T->getIdentifier(), TL.getTemplateNameLoc(), NewTemplateArgs, | ||||
7175 | /*AllowInjectedClassName*/ false); | ||||
7176 | if (Result.isNull()) | ||||
7177 | return QualType(); | ||||
7178 | |||||
7179 | if (const ElaboratedType *ElabT = dyn_cast<ElaboratedType>(Result)) { | ||||
7180 | QualType NamedT = ElabT->getNamedType(); | ||||
7181 | |||||
7182 | // Copy information relevant to the template specialization. | ||||
7183 | TemplateSpecializationTypeLoc NamedTL | ||||
7184 | = TLB.push<TemplateSpecializationTypeLoc>(NamedT); | ||||
7185 | NamedTL.setTemplateKeywordLoc(TL.getTemplateKeywordLoc()); | ||||
7186 | NamedTL.setTemplateNameLoc(TL.getTemplateNameLoc()); | ||||
7187 | NamedTL.setLAngleLoc(TL.getLAngleLoc()); | ||||
7188 | NamedTL.setRAngleLoc(TL.getRAngleLoc()); | ||||
7189 | for (unsigned I = 0, E = NewTemplateArgs.size(); I != E; ++I) | ||||
7190 | NamedTL.setArgLocInfo(I, NewTemplateArgs[I].getLocInfo()); | ||||
7191 | |||||
7192 | // Copy information relevant to the elaborated type. | ||||
7193 | ElaboratedTypeLoc NewTL = TLB.push<ElaboratedTypeLoc>(Result); | ||||
7194 | NewTL.setElaboratedKeywordLoc(TL.getElaboratedKeywordLoc()); | ||||
7195 | NewTL.setQualifierLoc(QualifierLoc); | ||||
7196 | } else if (isa<DependentTemplateSpecializationType>(Result)) { | ||||
7197 | DependentTemplateSpecializationTypeLoc SpecTL | ||||
7198 | = TLB.push<DependentTemplateSpecializationTypeLoc>(Result); | ||||
7199 | SpecTL.setElaboratedKeywordLoc(TL.getElaboratedKeywordLoc()); | ||||
7200 | SpecTL.setQualifierLoc(QualifierLoc); | ||||
7201 | SpecTL.setTemplateKeywordLoc(TL.getTemplateKeywordLoc()); | ||||
7202 | SpecTL.setTemplateNameLoc(TL.getTemplateNameLoc()); | ||||
7203 | SpecTL.setLAngleLoc(TL.getLAngleLoc()); | ||||
7204 | SpecTL.setRAngleLoc(TL.getRAngleLoc()); | ||||
7205 | for (unsigned I = 0, E = NewTemplateArgs.size(); I != E; ++I) | ||||
7206 | SpecTL.setArgLocInfo(I, NewTemplateArgs[I].getLocInfo()); | ||||
7207 | } else { | ||||
7208 | TemplateSpecializationTypeLoc SpecTL | ||||
7209 | = TLB.push<TemplateSpecializationTypeLoc>(Result); | ||||
7210 | SpecTL.setTemplateKeywordLoc(TL.getTemplateKeywordLoc()); | ||||
7211 | SpecTL.setTemplateNameLoc(TL.getTemplateNameLoc()); | ||||
7212 | SpecTL.setLAngleLoc(TL.getLAngleLoc()); | ||||
7213 | SpecTL.setRAngleLoc(TL.getRAngleLoc()); | ||||
7214 | for (unsigned I = 0, E = NewTemplateArgs.size(); I != E; ++I) | ||||
7215 | SpecTL.setArgLocInfo(I, NewTemplateArgs[I].getLocInfo()); | ||||
7216 | } | ||||
7217 | return Result; | ||||
7218 | } | ||||
7219 | |||||
7220 | template<typename Derived> | ||||
7221 | QualType TreeTransform<Derived>::TransformPackExpansionType(TypeLocBuilder &TLB, | ||||
7222 | PackExpansionTypeLoc TL) { | ||||
7223 | QualType Pattern | ||||
7224 | = getDerived().TransformType(TLB, TL.getPatternLoc()); | ||||
7225 | if (Pattern.isNull()) | ||||
7226 | return QualType(); | ||||
7227 | |||||
7228 | QualType Result = TL.getType(); | ||||
7229 | if (getDerived().AlwaysRebuild() || | ||||
7230 | Pattern != TL.getPatternLoc().getType()) { | ||||
7231 | Result = getDerived().RebuildPackExpansionType(Pattern, | ||||
7232 | TL.getPatternLoc().getSourceRange(), | ||||
7233 | TL.getEllipsisLoc(), | ||||
7234 | TL.getTypePtr()->getNumExpansions()); | ||||
7235 | if (Result.isNull()) | ||||
7236 | return QualType(); | ||||
7237 | } | ||||
7238 | |||||
7239 | PackExpansionTypeLoc NewT = TLB.push<PackExpansionTypeLoc>(Result); | ||||
7240 | NewT.setEllipsisLoc(TL.getEllipsisLoc()); | ||||
7241 | return Result; | ||||
7242 | } | ||||
7243 | |||||
7244 | template<typename Derived> | ||||
7245 | QualType | ||||
7246 | TreeTransform<Derived>::TransformObjCInterfaceType(TypeLocBuilder &TLB, | ||||
7247 | ObjCInterfaceTypeLoc TL) { | ||||
7248 | // ObjCInterfaceType is never dependent. | ||||
7249 | TLB.pushFullCopy(TL); | ||||
7250 | return TL.getType(); | ||||
7251 | } | ||||
7252 | |||||
7253 | template<typename Derived> | ||||
7254 | QualType | ||||
7255 | TreeTransform<Derived>::TransformObjCTypeParamType(TypeLocBuilder &TLB, | ||||
7256 | ObjCTypeParamTypeLoc TL) { | ||||
7257 | const ObjCTypeParamType *T = TL.getTypePtr(); | ||||
7258 | ObjCTypeParamDecl *OTP = cast_or_null<ObjCTypeParamDecl>( | ||||
7259 | getDerived().TransformDecl(T->getDecl()->getLocation(), T->getDecl())); | ||||
7260 | if (!OTP) | ||||
7261 | return QualType(); | ||||
7262 | |||||
7263 | QualType Result = TL.getType(); | ||||
7264 | if (getDerived().AlwaysRebuild() || | ||||
7265 | OTP != T->getDecl()) { | ||||
7266 | Result = getDerived().RebuildObjCTypeParamType( | ||||
7267 | OTP, TL.getProtocolLAngleLoc(), | ||||
7268 | llvm::ArrayRef(TL.getTypePtr()->qual_begin(), TL.getNumProtocols()), | ||||
7269 | TL.getProtocolLocs(), TL.getProtocolRAngleLoc()); | ||||
7270 | if (Result.isNull()) | ||||
7271 | return QualType(); | ||||
7272 | } | ||||
7273 | |||||
7274 | ObjCTypeParamTypeLoc NewTL = TLB.push<ObjCTypeParamTypeLoc>(Result); | ||||
7275 | if (TL.getNumProtocols()) { | ||||
7276 | NewTL.setProtocolLAngleLoc(TL.getProtocolLAngleLoc()); | ||||
7277 | for (unsigned i = 0, n = TL.getNumProtocols(); i != n; ++i) | ||||
7278 | NewTL.setProtocolLoc(i, TL.getProtocolLoc(i)); | ||||
7279 | NewTL.setProtocolRAngleLoc(TL.getProtocolRAngleLoc()); | ||||
7280 | } | ||||
7281 | return Result; | ||||
7282 | } | ||||
7283 | |||||
7284 | template<typename Derived> | ||||
7285 | QualType | ||||
7286 | TreeTransform<Derived>::TransformObjCObjectType(TypeLocBuilder &TLB, | ||||
7287 | ObjCObjectTypeLoc TL) { | ||||
7288 | // Transform base type. | ||||
7289 | QualType BaseType = getDerived().TransformType(TLB, TL.getBaseLoc()); | ||||
7290 | if (BaseType.isNull()) | ||||
7291 | return QualType(); | ||||
7292 | |||||
7293 | bool AnyChanged = BaseType != TL.getBaseLoc().getType(); | ||||
7294 | |||||
7295 | // Transform type arguments. | ||||
7296 | SmallVector<TypeSourceInfo *, 4> NewTypeArgInfos; | ||||
7297 | for (unsigned i = 0, n = TL.getNumTypeArgs(); i != n; ++i) { | ||||
7298 | TypeSourceInfo *TypeArgInfo = TL.getTypeArgTInfo(i); | ||||
7299 | TypeLoc TypeArgLoc = TypeArgInfo->getTypeLoc(); | ||||
7300 | QualType TypeArg = TypeArgInfo->getType(); | ||||
7301 | if (auto PackExpansionLoc = TypeArgLoc.getAs<PackExpansionTypeLoc>()) { | ||||
7302 | AnyChanged = true; | ||||
7303 | |||||
7304 | // We have a pack expansion. Instantiate it. | ||||
7305 | const auto *PackExpansion = PackExpansionLoc.getType() | ||||
7306 | ->castAs<PackExpansionType>(); | ||||
7307 | SmallVector<UnexpandedParameterPack, 2> Unexpanded; | ||||
7308 | SemaRef.collectUnexpandedParameterPacks(PackExpansion->getPattern(), | ||||
7309 | Unexpanded); | ||||
7310 | assert(!Unexpanded.empty() && "Pack expansion without parameter packs?")(static_cast <bool> (!Unexpanded.empty() && "Pack expansion without parameter packs?" ) ? void (0) : __assert_fail ("!Unexpanded.empty() && \"Pack expansion without parameter packs?\"" , "clang/lib/Sema/TreeTransform.h", 7310, __extension__ __PRETTY_FUNCTION__ )); | ||||
7311 | |||||
7312 | // Determine whether the set of unexpanded parameter packs can | ||||
7313 | // and should be expanded. | ||||
7314 | TypeLoc PatternLoc = PackExpansionLoc.getPatternLoc(); | ||||
7315 | bool Expand = false; | ||||
7316 | bool RetainExpansion = false; | ||||
7317 | std::optional<unsigned> NumExpansions = PackExpansion->getNumExpansions(); | ||||
7318 | if (getDerived().TryExpandParameterPacks( | ||||
7319 | PackExpansionLoc.getEllipsisLoc(), PatternLoc.getSourceRange(), | ||||
7320 | Unexpanded, Expand, RetainExpansion, NumExpansions)) | ||||
7321 | return QualType(); | ||||
7322 | |||||
7323 | if (!Expand) { | ||||
7324 | // We can't expand this pack expansion into separate arguments yet; | ||||
7325 | // just substitute into the pattern and create a new pack expansion | ||||
7326 | // type. | ||||
7327 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), -1); | ||||
7328 | |||||
7329 | TypeLocBuilder TypeArgBuilder; | ||||
7330 | TypeArgBuilder.reserve(PatternLoc.getFullDataSize()); | ||||
7331 | QualType NewPatternType = getDerived().TransformType(TypeArgBuilder, | ||||
7332 | PatternLoc); | ||||
7333 | if (NewPatternType.isNull()) | ||||
7334 | return QualType(); | ||||
7335 | |||||
7336 | QualType NewExpansionType = SemaRef.Context.getPackExpansionType( | ||||
7337 | NewPatternType, NumExpansions); | ||||
7338 | auto NewExpansionLoc = TLB.push<PackExpansionTypeLoc>(NewExpansionType); | ||||
7339 | NewExpansionLoc.setEllipsisLoc(PackExpansionLoc.getEllipsisLoc()); | ||||
7340 | NewTypeArgInfos.push_back( | ||||
7341 | TypeArgBuilder.getTypeSourceInfo(SemaRef.Context, NewExpansionType)); | ||||
7342 | continue; | ||||
7343 | } | ||||
7344 | |||||
7345 | // Substitute into the pack expansion pattern for each slice of the | ||||
7346 | // pack. | ||||
7347 | for (unsigned ArgIdx = 0; ArgIdx != *NumExpansions; ++ArgIdx) { | ||||
7348 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), ArgIdx); | ||||
7349 | |||||
7350 | TypeLocBuilder TypeArgBuilder; | ||||
7351 | TypeArgBuilder.reserve(PatternLoc.getFullDataSize()); | ||||
7352 | |||||
7353 | QualType NewTypeArg = getDerived().TransformType(TypeArgBuilder, | ||||
7354 | PatternLoc); | ||||
7355 | if (NewTypeArg.isNull()) | ||||
7356 | return QualType(); | ||||
7357 | |||||
7358 | NewTypeArgInfos.push_back( | ||||
7359 | TypeArgBuilder.getTypeSourceInfo(SemaRef.Context, NewTypeArg)); | ||||
7360 | } | ||||
7361 | |||||
7362 | continue; | ||||
7363 | } | ||||
7364 | |||||
7365 | TypeLocBuilder TypeArgBuilder; | ||||
7366 | TypeArgBuilder.reserve(TypeArgLoc.getFullDataSize()); | ||||
7367 | QualType NewTypeArg = | ||||
7368 | getDerived().TransformType(TypeArgBuilder, TypeArgLoc); | ||||
7369 | if (NewTypeArg.isNull()) | ||||
7370 | return QualType(); | ||||
7371 | |||||
7372 | // If nothing changed, just keep the old TypeSourceInfo. | ||||
7373 | if (NewTypeArg == TypeArg) { | ||||
7374 | NewTypeArgInfos.push_back(TypeArgInfo); | ||||
7375 | continue; | ||||
7376 | } | ||||
7377 | |||||
7378 | NewTypeArgInfos.push_back( | ||||
7379 | TypeArgBuilder.getTypeSourceInfo(SemaRef.Context, NewTypeArg)); | ||||
7380 | AnyChanged = true; | ||||
7381 | } | ||||
7382 | |||||
7383 | QualType Result = TL.getType(); | ||||
7384 | if (getDerived().AlwaysRebuild() || AnyChanged) { | ||||
7385 | // Rebuild the type. | ||||
7386 | Result = getDerived().RebuildObjCObjectType( | ||||
7387 | BaseType, TL.getBeginLoc(), TL.getTypeArgsLAngleLoc(), NewTypeArgInfos, | ||||
7388 | TL.getTypeArgsRAngleLoc(), TL.getProtocolLAngleLoc(), | ||||
7389 | llvm::ArrayRef(TL.getTypePtr()->qual_begin(), TL.getNumProtocols()), | ||||
7390 | TL.getProtocolLocs(), TL.getProtocolRAngleLoc()); | ||||
7391 | |||||
7392 | if (Result.isNull()) | ||||
7393 | return QualType(); | ||||
7394 | } | ||||
7395 | |||||
7396 | ObjCObjectTypeLoc NewT = TLB.push<ObjCObjectTypeLoc>(Result); | ||||
7397 | NewT.setHasBaseTypeAsWritten(true); | ||||
7398 | NewT.setTypeArgsLAngleLoc(TL.getTypeArgsLAngleLoc()); | ||||
7399 | for (unsigned i = 0, n = TL.getNumTypeArgs(); i != n; ++i) | ||||
7400 | NewT.setTypeArgTInfo(i, NewTypeArgInfos[i]); | ||||
7401 | NewT.setTypeArgsRAngleLoc(TL.getTypeArgsRAngleLoc()); | ||||
7402 | NewT.setProtocolLAngleLoc(TL.getProtocolLAngleLoc()); | ||||
7403 | for (unsigned i = 0, n = TL.getNumProtocols(); i != n; ++i) | ||||
7404 | NewT.setProtocolLoc(i, TL.getProtocolLoc(i)); | ||||
7405 | NewT.setProtocolRAngleLoc(TL.getProtocolRAngleLoc()); | ||||
7406 | return Result; | ||||
7407 | } | ||||
7408 | |||||
7409 | template<typename Derived> | ||||
7410 | QualType | ||||
7411 | TreeTransform<Derived>::TransformObjCObjectPointerType(TypeLocBuilder &TLB, | ||||
7412 | ObjCObjectPointerTypeLoc TL) { | ||||
7413 | QualType PointeeType = getDerived().TransformType(TLB, TL.getPointeeLoc()); | ||||
7414 | if (PointeeType.isNull()) | ||||
7415 | return QualType(); | ||||
7416 | |||||
7417 | QualType Result = TL.getType(); | ||||
7418 | if (getDerived().AlwaysRebuild() || | ||||
7419 | PointeeType != TL.getPointeeLoc().getType()) { | ||||
7420 | Result = getDerived().RebuildObjCObjectPointerType(PointeeType, | ||||
7421 | TL.getStarLoc()); | ||||
7422 | if (Result.isNull()) | ||||
7423 | return QualType(); | ||||
7424 | } | ||||
7425 | |||||
7426 | ObjCObjectPointerTypeLoc NewT = TLB.push<ObjCObjectPointerTypeLoc>(Result); | ||||
7427 | NewT.setStarLoc(TL.getStarLoc()); | ||||
7428 | return Result; | ||||
7429 | } | ||||
7430 | |||||
7431 | //===----------------------------------------------------------------------===// | ||||
7432 | // Statement transformation | ||||
7433 | //===----------------------------------------------------------------------===// | ||||
7434 | template<typename Derived> | ||||
7435 | StmtResult | ||||
7436 | TreeTransform<Derived>::TransformNullStmt(NullStmt *S) { | ||||
7437 | return S; | ||||
7438 | } | ||||
7439 | |||||
7440 | template<typename Derived> | ||||
7441 | StmtResult | ||||
7442 | TreeTransform<Derived>::TransformCompoundStmt(CompoundStmt *S) { | ||||
7443 | return getDerived().TransformCompoundStmt(S, false); | ||||
7444 | } | ||||
7445 | |||||
7446 | template<typename Derived> | ||||
7447 | StmtResult | ||||
7448 | TreeTransform<Derived>::TransformCompoundStmt(CompoundStmt *S, | ||||
7449 | bool IsStmtExpr) { | ||||
7450 | Sema::CompoundScopeRAII CompoundScope(getSema()); | ||||
7451 | |||||
7452 | const Stmt *ExprResult = S->getStmtExprResult(); | ||||
7453 | bool SubStmtInvalid = false; | ||||
7454 | bool SubStmtChanged = false; | ||||
7455 | SmallVector<Stmt*, 8> Statements; | ||||
7456 | for (auto *B : S->body()) { | ||||
7457 | StmtResult Result = getDerived().TransformStmt( | ||||
7458 | B, IsStmtExpr && B == ExprResult ? SDK_StmtExprResult : SDK_Discarded); | ||||
7459 | |||||
7460 | if (Result.isInvalid()) { | ||||
7461 | // Immediately fail if this was a DeclStmt, since it's very | ||||
7462 | // likely that this will cause problems for future statements. | ||||
7463 | if (isa<DeclStmt>(B)) | ||||
7464 | return StmtError(); | ||||
7465 | |||||
7466 | // Otherwise, just keep processing substatements and fail later. | ||||
7467 | SubStmtInvalid = true; | ||||
7468 | continue; | ||||
7469 | } | ||||
7470 | |||||
7471 | SubStmtChanged = SubStmtChanged || Result.get() != B; | ||||
7472 | Statements.push_back(Result.getAs<Stmt>()); | ||||
7473 | } | ||||
7474 | |||||
7475 | if (SubStmtInvalid) | ||||
7476 | return StmtError(); | ||||
7477 | |||||
7478 | if (!getDerived().AlwaysRebuild() && | ||||
7479 | !SubStmtChanged) | ||||
7480 | return S; | ||||
7481 | |||||
7482 | return getDerived().RebuildCompoundStmt(S->getLBracLoc(), | ||||
7483 | Statements, | ||||
7484 | S->getRBracLoc(), | ||||
7485 | IsStmtExpr); | ||||
7486 | } | ||||
7487 | |||||
7488 | template<typename Derived> | ||||
7489 | StmtResult | ||||
7490 | TreeTransform<Derived>::TransformCaseStmt(CaseStmt *S) { | ||||
7491 | ExprResult LHS, RHS; | ||||
7492 | { | ||||
7493 | EnterExpressionEvaluationContext Unevaluated( | ||||
7494 | SemaRef, Sema::ExpressionEvaluationContext::ConstantEvaluated); | ||||
7495 | |||||
7496 | // Transform the left-hand case value. | ||||
7497 | LHS = getDerived().TransformExpr(S->getLHS()); | ||||
7498 | LHS = SemaRef.ActOnCaseExpr(S->getCaseLoc(), LHS); | ||||
7499 | if (LHS.isInvalid()) | ||||
7500 | return StmtError(); | ||||
7501 | |||||
7502 | // Transform the right-hand case value (for the GNU case-range extension). | ||||
7503 | RHS = getDerived().TransformExpr(S->getRHS()); | ||||
7504 | RHS = SemaRef.ActOnCaseExpr(S->getCaseLoc(), RHS); | ||||
7505 | if (RHS.isInvalid()) | ||||
7506 | return StmtError(); | ||||
7507 | } | ||||
7508 | |||||
7509 | // Build the case statement. | ||||
7510 | // Case statements are always rebuilt so that they will attached to their | ||||
7511 | // transformed switch statement. | ||||
7512 | StmtResult Case = getDerived().RebuildCaseStmt(S->getCaseLoc(), | ||||
7513 | LHS.get(), | ||||
7514 | S->getEllipsisLoc(), | ||||
7515 | RHS.get(), | ||||
7516 | S->getColonLoc()); | ||||
7517 | if (Case.isInvalid()) | ||||
7518 | return StmtError(); | ||||
7519 | |||||
7520 | // Transform the statement following the case | ||||
7521 | StmtResult SubStmt = | ||||
7522 | getDerived().TransformStmt(S->getSubStmt()); | ||||
7523 | if (SubStmt.isInvalid()) | ||||
7524 | return StmtError(); | ||||
7525 | |||||
7526 | // Attach the body to the case statement | ||||
7527 | return getDerived().RebuildCaseStmtBody(Case.get(), SubStmt.get()); | ||||
7528 | } | ||||
7529 | |||||
7530 | template <typename Derived> | ||||
7531 | StmtResult TreeTransform<Derived>::TransformDefaultStmt(DefaultStmt *S) { | ||||
7532 | // Transform the statement following the default case | ||||
7533 | StmtResult SubStmt = | ||||
7534 | getDerived().TransformStmt(S->getSubStmt()); | ||||
7535 | if (SubStmt.isInvalid()) | ||||
7536 | return StmtError(); | ||||
7537 | |||||
7538 | // Default statements are always rebuilt | ||||
7539 | return getDerived().RebuildDefaultStmt(S->getDefaultLoc(), S->getColonLoc(), | ||||
7540 | SubStmt.get()); | ||||
7541 | } | ||||
7542 | |||||
7543 | template<typename Derived> | ||||
7544 | StmtResult | ||||
7545 | TreeTransform<Derived>::TransformLabelStmt(LabelStmt *S, StmtDiscardKind SDK) { | ||||
7546 | StmtResult SubStmt = getDerived().TransformStmt(S->getSubStmt(), SDK); | ||||
7547 | if (SubStmt.isInvalid()) | ||||
7548 | return StmtError(); | ||||
7549 | |||||
7550 | Decl *LD = getDerived().TransformDecl(S->getDecl()->getLocation(), | ||||
7551 | S->getDecl()); | ||||
7552 | if (!LD) | ||||
7553 | return StmtError(); | ||||
7554 | |||||
7555 | // If we're transforming "in-place" (we're not creating new local | ||||
7556 | // declarations), assume we're replacing the old label statement | ||||
7557 | // and clear out the reference to it. | ||||
7558 | if (LD == S->getDecl()) | ||||
7559 | S->getDecl()->setStmt(nullptr); | ||||
7560 | |||||
7561 | // FIXME: Pass the real colon location in. | ||||
7562 | return getDerived().RebuildLabelStmt(S->getIdentLoc(), | ||||
7563 | cast<LabelDecl>(LD), SourceLocation(), | ||||
7564 | SubStmt.get()); | ||||
7565 | } | ||||
7566 | |||||
7567 | template <typename Derived> | ||||
7568 | const Attr *TreeTransform<Derived>::TransformAttr(const Attr *R) { | ||||
7569 | if (!R) | ||||
7570 | return R; | ||||
7571 | |||||
7572 | switch (R->getKind()) { | ||||
7573 | // Transform attributes by calling TransformXXXAttr. | ||||
7574 | #define ATTR(X) \ | ||||
7575 | case attr::X: \ | ||||
7576 | return getDerived().Transform##X##Attr(cast<X##Attr>(R)); | ||||
7577 | #include "clang/Basic/AttrList.inc" | ||||
7578 | } | ||||
7579 | return R; | ||||
7580 | } | ||||
7581 | |||||
7582 | template <typename Derived> | ||||
7583 | const Attr *TreeTransform<Derived>::TransformStmtAttr(const Stmt *OrigS, | ||||
7584 | const Stmt *InstS, | ||||
7585 | const Attr *R) { | ||||
7586 | if (!R) | ||||
7587 | return R; | ||||
7588 | |||||
7589 | switch (R->getKind()) { | ||||
7590 | // Transform attributes by calling TransformStmtXXXAttr. | ||||
7591 | #define ATTR(X) \ | ||||
7592 | case attr::X: \ | ||||
7593 | return getDerived().TransformStmt##X##Attr(OrigS, InstS, cast<X##Attr>(R)); | ||||
7594 | #include "clang/Basic/AttrList.inc" | ||||
7595 | } | ||||
7596 | return TransformAttr(R); | ||||
7597 | } | ||||
7598 | |||||
7599 | template <typename Derived> | ||||
7600 | StmtResult | ||||
7601 | TreeTransform<Derived>::TransformAttributedStmt(AttributedStmt *S, | ||||
7602 | StmtDiscardKind SDK) { | ||||
7603 | StmtResult SubStmt = getDerived().TransformStmt(S->getSubStmt(), SDK); | ||||
7604 | if (SubStmt.isInvalid()) | ||||
7605 | return StmtError(); | ||||
7606 | |||||
7607 | bool AttrsChanged = false; | ||||
7608 | SmallVector<const Attr *, 1> Attrs; | ||||
7609 | |||||
7610 | // Visit attributes and keep track if any are transformed. | ||||
7611 | for (const auto *I : S->getAttrs()) { | ||||
7612 | const Attr *R = | ||||
7613 | getDerived().TransformStmtAttr(S->getSubStmt(), SubStmt.get(), I); | ||||
7614 | AttrsChanged |= (I != R); | ||||
7615 | if (R) | ||||
7616 | Attrs.push_back(R); | ||||
7617 | } | ||||
7618 | |||||
7619 | if (SubStmt.get() == S->getSubStmt() && !AttrsChanged) | ||||
7620 | return S; | ||||
7621 | |||||
7622 | // If transforming the attributes failed for all of the attributes in the | ||||
7623 | // statement, don't make an AttributedStmt without attributes. | ||||
7624 | if (Attrs.empty()) | ||||
7625 | return SubStmt; | ||||
7626 | |||||
7627 | return getDerived().RebuildAttributedStmt(S->getAttrLoc(), Attrs, | ||||
7628 | SubStmt.get()); | ||||
7629 | } | ||||
7630 | |||||
7631 | template<typename Derived> | ||||
7632 | StmtResult | ||||
7633 | TreeTransform<Derived>::TransformIfStmt(IfStmt *S) { | ||||
7634 | // Transform the initialization statement | ||||
7635 | StmtResult Init = getDerived().TransformStmt(S->getInit()); | ||||
7636 | if (Init.isInvalid()) | ||||
7637 | return StmtError(); | ||||
7638 | |||||
7639 | Sema::ConditionResult Cond; | ||||
7640 | if (!S->isConsteval()) { | ||||
7641 | // Transform the condition | ||||
7642 | Cond = getDerived().TransformCondition( | ||||
7643 | S->getIfLoc(), S->getConditionVariable(), S->getCond(), | ||||
7644 | S->isConstexpr() ? Sema::ConditionKind::ConstexprIf | ||||
7645 | : Sema::ConditionKind::Boolean); | ||||
7646 | if (Cond.isInvalid()) | ||||
7647 | return StmtError(); | ||||
7648 | } | ||||
7649 | |||||
7650 | // If this is a constexpr if, determine which arm we should instantiate. | ||||
7651 | std::optional<bool> ConstexprConditionValue; | ||||
7652 | if (S->isConstexpr()) | ||||
7653 | ConstexprConditionValue = Cond.getKnownValue(); | ||||
7654 | |||||
7655 | // Transform the "then" branch. | ||||
7656 | StmtResult Then; | ||||
7657 | if (!ConstexprConditionValue || *ConstexprConditionValue) { | ||||
7658 | Then = getDerived().TransformStmt(S->getThen()); | ||||
7659 | if (Then.isInvalid()) | ||||
7660 | return StmtError(); | ||||
7661 | } else { | ||||
7662 | Then = new (getSema().Context) NullStmt(S->getThen()->getBeginLoc()); | ||||
7663 | } | ||||
7664 | |||||
7665 | // Transform the "else" branch. | ||||
7666 | StmtResult Else; | ||||
7667 | if (!ConstexprConditionValue || !*ConstexprConditionValue) { | ||||
7668 | Else = getDerived().TransformStmt(S->getElse()); | ||||
7669 | if (Else.isInvalid()) | ||||
7670 | return StmtError(); | ||||
7671 | } | ||||
7672 | |||||
7673 | if (!getDerived().AlwaysRebuild() && | ||||
7674 | Init.get() == S->getInit() && | ||||
7675 | Cond.get() == std::make_pair(S->getConditionVariable(), S->getCond()) && | ||||
7676 | Then.get() == S->getThen() && | ||||
7677 | Else.get() == S->getElse()) | ||||
7678 | return S; | ||||
7679 | |||||
7680 | return getDerived().RebuildIfStmt( | ||||
7681 | S->getIfLoc(), S->getStatementKind(), S->getLParenLoc(), Cond, | ||||
7682 | S->getRParenLoc(), Init.get(), Then.get(), S->getElseLoc(), Else.get()); | ||||
7683 | } | ||||
7684 | |||||
7685 | template<typename Derived> | ||||
7686 | StmtResult | ||||
7687 | TreeTransform<Derived>::TransformSwitchStmt(SwitchStmt *S) { | ||||
7688 | // Transform the initialization statement | ||||
7689 | StmtResult Init = getDerived().TransformStmt(S->getInit()); | ||||
7690 | if (Init.isInvalid()) | ||||
7691 | return StmtError(); | ||||
7692 | |||||
7693 | // Transform the condition. | ||||
7694 | Sema::ConditionResult Cond = getDerived().TransformCondition( | ||||
7695 | S->getSwitchLoc(), S->getConditionVariable(), S->getCond(), | ||||
7696 | Sema::ConditionKind::Switch); | ||||
7697 | if (Cond.isInvalid()) | ||||
7698 | return StmtError(); | ||||
7699 | |||||
7700 | // Rebuild the switch statement. | ||||
7701 | StmtResult Switch = | ||||
7702 | getDerived().RebuildSwitchStmtStart(S->getSwitchLoc(), S->getLParenLoc(), | ||||
7703 | Init.get(), Cond, S->getRParenLoc()); | ||||
7704 | if (Switch.isInvalid()) | ||||
7705 | return StmtError(); | ||||
7706 | |||||
7707 | // Transform the body of the switch statement. | ||||
7708 | StmtResult Body = getDerived().TransformStmt(S->getBody()); | ||||
7709 | if (Body.isInvalid()) | ||||
7710 | return StmtError(); | ||||
7711 | |||||
7712 | // Complete the switch statement. | ||||
7713 | return getDerived().RebuildSwitchStmtBody(S->getSwitchLoc(), Switch.get(), | ||||
7714 | Body.get()); | ||||
7715 | } | ||||
7716 | |||||
7717 | template<typename Derived> | ||||
7718 | StmtResult | ||||
7719 | TreeTransform<Derived>::TransformWhileStmt(WhileStmt *S) { | ||||
7720 | // Transform the condition | ||||
7721 | Sema::ConditionResult Cond = getDerived().TransformCondition( | ||||
7722 | S->getWhileLoc(), S->getConditionVariable(), S->getCond(), | ||||
7723 | Sema::ConditionKind::Boolean); | ||||
7724 | if (Cond.isInvalid()) | ||||
7725 | return StmtError(); | ||||
7726 | |||||
7727 | // Transform the body | ||||
7728 | StmtResult Body = getDerived().TransformStmt(S->getBody()); | ||||
7729 | if (Body.isInvalid()) | ||||
7730 | return StmtError(); | ||||
7731 | |||||
7732 | if (!getDerived().AlwaysRebuild() && | ||||
7733 | Cond.get() == std::make_pair(S->getConditionVariable(), S->getCond()) && | ||||
7734 | Body.get() == S->getBody()) | ||||
7735 | return Owned(S); | ||||
7736 | |||||
7737 | return getDerived().RebuildWhileStmt(S->getWhileLoc(), S->getLParenLoc(), | ||||
7738 | Cond, S->getRParenLoc(), Body.get()); | ||||
7739 | } | ||||
7740 | |||||
7741 | template<typename Derived> | ||||
7742 | StmtResult | ||||
7743 | TreeTransform<Derived>::TransformDoStmt(DoStmt *S) { | ||||
7744 | // Transform the body | ||||
7745 | StmtResult Body = getDerived().TransformStmt(S->getBody()); | ||||
7746 | if (Body.isInvalid()) | ||||
7747 | return StmtError(); | ||||
7748 | |||||
7749 | // Transform the condition | ||||
7750 | ExprResult Cond = getDerived().TransformExpr(S->getCond()); | ||||
7751 | if (Cond.isInvalid()) | ||||
7752 | return StmtError(); | ||||
7753 | |||||
7754 | if (!getDerived().AlwaysRebuild() && | ||||
7755 | Cond.get() == S->getCond() && | ||||
7756 | Body.get() == S->getBody()) | ||||
7757 | return S; | ||||
7758 | |||||
7759 | return getDerived().RebuildDoStmt(S->getDoLoc(), Body.get(), S->getWhileLoc(), | ||||
7760 | /*FIXME:*/S->getWhileLoc(), Cond.get(), | ||||
7761 | S->getRParenLoc()); | ||||
7762 | } | ||||
7763 | |||||
7764 | template<typename Derived> | ||||
7765 | StmtResult | ||||
7766 | TreeTransform<Derived>::TransformForStmt(ForStmt *S) { | ||||
7767 | if (getSema().getLangOpts().OpenMP) | ||||
7768 | getSema().startOpenMPLoop(); | ||||
7769 | |||||
7770 | // Transform the initialization statement | ||||
7771 | StmtResult Init = getDerived().TransformStmt(S->getInit()); | ||||
7772 | if (Init.isInvalid()) | ||||
7773 | return StmtError(); | ||||
7774 | |||||
7775 | // In OpenMP loop region loop control variable must be captured and be | ||||
7776 | // private. Perform analysis of first part (if any). | ||||
7777 | if (getSema().getLangOpts().OpenMP && Init.isUsable()) | ||||
7778 | getSema().ActOnOpenMPLoopInitialization(S->getForLoc(), Init.get()); | ||||
7779 | |||||
7780 | // Transform the condition | ||||
7781 | Sema::ConditionResult Cond = getDerived().TransformCondition( | ||||
7782 | S->getForLoc(), S->getConditionVariable(), S->getCond(), | ||||
7783 | Sema::ConditionKind::Boolean); | ||||
7784 | if (Cond.isInvalid()) | ||||
7785 | return StmtError(); | ||||
7786 | |||||
7787 | // Transform the increment | ||||
7788 | ExprResult Inc = getDerived().TransformExpr(S->getInc()); | ||||
7789 | if (Inc.isInvalid()) | ||||
7790 | return StmtError(); | ||||
7791 | |||||
7792 | Sema::FullExprArg FullInc(getSema().MakeFullDiscardedValueExpr(Inc.get())); | ||||
7793 | if (S->getInc() && !FullInc.get()) | ||||
7794 | return StmtError(); | ||||
7795 | |||||
7796 | // Transform the body | ||||
7797 | StmtResult Body = getDerived().TransformStmt(S->getBody()); | ||||
7798 | if (Body.isInvalid()) | ||||
7799 | return StmtError(); | ||||
7800 | |||||
7801 | if (!getDerived().AlwaysRebuild() && | ||||
7802 | Init.get() == S->getInit() && | ||||
7803 | Cond.get() == std::make_pair(S->getConditionVariable(), S->getCond()) && | ||||
7804 | Inc.get() == S->getInc() && | ||||
7805 | Body.get() == S->getBody()) | ||||
7806 | return S; | ||||
7807 | |||||
7808 | return getDerived().RebuildForStmt(S->getForLoc(), S->getLParenLoc(), | ||||
7809 | Init.get(), Cond, FullInc, | ||||
7810 | S->getRParenLoc(), Body.get()); | ||||
7811 | } | ||||
7812 | |||||
7813 | template<typename Derived> | ||||
7814 | StmtResult | ||||
7815 | TreeTransform<Derived>::TransformGotoStmt(GotoStmt *S) { | ||||
7816 | Decl *LD = getDerived().TransformDecl(S->getLabel()->getLocation(), | ||||
7817 | S->getLabel()); | ||||
7818 | if (!LD) | ||||
7819 | return StmtError(); | ||||
7820 | |||||
7821 | // Goto statements must always be rebuilt, to resolve the label. | ||||
7822 | return getDerived().RebuildGotoStmt(S->getGotoLoc(), S->getLabelLoc(), | ||||
7823 | cast<LabelDecl>(LD)); | ||||
7824 | } | ||||
7825 | |||||
7826 | template<typename Derived> | ||||
7827 | StmtResult | ||||
7828 | TreeTransform<Derived>::TransformIndirectGotoStmt(IndirectGotoStmt *S) { | ||||
7829 | ExprResult Target = getDerived().TransformExpr(S->getTarget()); | ||||
7830 | if (Target.isInvalid()) | ||||
7831 | return StmtError(); | ||||
7832 | Target = SemaRef.MaybeCreateExprWithCleanups(Target.get()); | ||||
7833 | |||||
7834 | if (!getDerived().AlwaysRebuild() && | ||||
7835 | Target.get() == S->getTarget()) | ||||
7836 | return S; | ||||
7837 | |||||
7838 | return getDerived().RebuildIndirectGotoStmt(S->getGotoLoc(), S->getStarLoc(), | ||||
7839 | Target.get()); | ||||
7840 | } | ||||
7841 | |||||
7842 | template<typename Derived> | ||||
7843 | StmtResult | ||||
7844 | TreeTransform<Derived>::TransformContinueStmt(ContinueStmt *S) { | ||||
7845 | return S; | ||||
7846 | } | ||||
7847 | |||||
7848 | template<typename Derived> | ||||
7849 | StmtResult | ||||
7850 | TreeTransform<Derived>::TransformBreakStmt(BreakStmt *S) { | ||||
7851 | return S; | ||||
7852 | } | ||||
7853 | |||||
7854 | template<typename Derived> | ||||
7855 | StmtResult | ||||
7856 | TreeTransform<Derived>::TransformReturnStmt(ReturnStmt *S) { | ||||
7857 | ExprResult Result = getDerived().TransformInitializer(S->getRetValue(), | ||||
7858 | /*NotCopyInit*/false); | ||||
7859 | if (Result.isInvalid()) | ||||
7860 | return StmtError(); | ||||
7861 | |||||
7862 | // FIXME: We always rebuild the return statement because there is no way | ||||
7863 | // to tell whether the return type of the function has changed. | ||||
7864 | return getDerived().RebuildReturnStmt(S->getReturnLoc(), Result.get()); | ||||
7865 | } | ||||
7866 | |||||
7867 | template<typename Derived> | ||||
7868 | StmtResult | ||||
7869 | TreeTransform<Derived>::TransformDeclStmt(DeclStmt *S) { | ||||
7870 | bool DeclChanged = false; | ||||
7871 | SmallVector<Decl *, 4> Decls; | ||||
7872 | for (auto *D : S->decls()) { | ||||
7873 | Decl *Transformed = getDerived().TransformDefinition(D->getLocation(), D); | ||||
7874 | if (!Transformed) | ||||
7875 | return StmtError(); | ||||
7876 | |||||
7877 | if (Transformed != D) | ||||
7878 | DeclChanged = true; | ||||
7879 | |||||
7880 | Decls.push_back(Transformed); | ||||
7881 | } | ||||
7882 | |||||
7883 | if (!getDerived().AlwaysRebuild() && !DeclChanged) | ||||
7884 | return S; | ||||
7885 | |||||
7886 | return getDerived().RebuildDeclStmt(Decls, S->getBeginLoc(), S->getEndLoc()); | ||||
7887 | } | ||||
7888 | |||||
7889 | template<typename Derived> | ||||
7890 | StmtResult | ||||
7891 | TreeTransform<Derived>::TransformGCCAsmStmt(GCCAsmStmt *S) { | ||||
7892 | |||||
7893 | SmallVector<Expr*, 8> Constraints; | ||||
7894 | SmallVector<Expr*, 8> Exprs; | ||||
7895 | SmallVector<IdentifierInfo *, 4> Names; | ||||
7896 | |||||
7897 | ExprResult AsmString; | ||||
7898 | SmallVector<Expr*, 8> Clobbers; | ||||
7899 | |||||
7900 | bool ExprsChanged = false; | ||||
7901 | |||||
7902 | // Go through the outputs. | ||||
7903 | for (unsigned I = 0, E = S->getNumOutputs(); I != E; ++I) { | ||||
7904 | Names.push_back(S->getOutputIdentifier(I)); | ||||
7905 | |||||
7906 | // No need to transform the constraint literal. | ||||
7907 | Constraints.push_back(S->getOutputConstraintLiteral(I)); | ||||
7908 | |||||
7909 | // Transform the output expr. | ||||
7910 | Expr *OutputExpr = S->getOutputExpr(I); | ||||
7911 | ExprResult Result = getDerived().TransformExpr(OutputExpr); | ||||
7912 | if (Result.isInvalid()) | ||||
7913 | return StmtError(); | ||||
7914 | |||||
7915 | ExprsChanged |= Result.get() != OutputExpr; | ||||
7916 | |||||
7917 | Exprs.push_back(Result.get()); | ||||
7918 | } | ||||
7919 | |||||
7920 | // Go through the inputs. | ||||
7921 | for (unsigned I = 0, E = S->getNumInputs(); I != E; ++I) { | ||||
7922 | Names.push_back(S->getInputIdentifier(I)); | ||||
7923 | |||||
7924 | // No need to transform the constraint literal. | ||||
7925 | Constraints.push_back(S->getInputConstraintLiteral(I)); | ||||
7926 | |||||
7927 | // Transform the input expr. | ||||
7928 | Expr *InputExpr = S->getInputExpr(I); | ||||
7929 | ExprResult Result = getDerived().TransformExpr(InputExpr); | ||||
7930 | if (Result.isInvalid()) | ||||
7931 | return StmtError(); | ||||
7932 | |||||
7933 | ExprsChanged |= Result.get() != InputExpr; | ||||
7934 | |||||
7935 | Exprs.push_back(Result.get()); | ||||
7936 | } | ||||
7937 | |||||
7938 | // Go through the Labels. | ||||
7939 | for (unsigned I = 0, E = S->getNumLabels(); I != E; ++I) { | ||||
7940 | Names.push_back(S->getLabelIdentifier(I)); | ||||
7941 | |||||
7942 | ExprResult Result = getDerived().TransformExpr(S->getLabelExpr(I)); | ||||
7943 | if (Result.isInvalid()) | ||||
7944 | return StmtError(); | ||||
7945 | ExprsChanged |= Result.get() != S->getLabelExpr(I); | ||||
7946 | Exprs.push_back(Result.get()); | ||||
7947 | } | ||||
7948 | if (!getDerived().AlwaysRebuild() && !ExprsChanged) | ||||
7949 | return S; | ||||
7950 | |||||
7951 | // Go through the clobbers. | ||||
7952 | for (unsigned I = 0, E = S->getNumClobbers(); I != E; ++I) | ||||
7953 | Clobbers.push_back(S->getClobberStringLiteral(I)); | ||||
7954 | |||||
7955 | // No need to transform the asm string literal. | ||||
7956 | AsmString = S->getAsmString(); | ||||
7957 | return getDerived().RebuildGCCAsmStmt(S->getAsmLoc(), S->isSimple(), | ||||
7958 | S->isVolatile(), S->getNumOutputs(), | ||||
7959 | S->getNumInputs(), Names.data(), | ||||
7960 | Constraints, Exprs, AsmString.get(), | ||||
7961 | Clobbers, S->getNumLabels(), | ||||
7962 | S->getRParenLoc()); | ||||
7963 | } | ||||
7964 | |||||
7965 | template<typename Derived> | ||||
7966 | StmtResult | ||||
7967 | TreeTransform<Derived>::TransformMSAsmStmt(MSAsmStmt *S) { | ||||
7968 | ArrayRef<Token> AsmToks = llvm::ArrayRef(S->getAsmToks(), S->getNumAsmToks()); | ||||
7969 | |||||
7970 | bool HadError = false, HadChange = false; | ||||
7971 | |||||
7972 | ArrayRef<Expr*> SrcExprs = S->getAllExprs(); | ||||
7973 | SmallVector<Expr*, 8> TransformedExprs; | ||||
7974 | TransformedExprs.reserve(SrcExprs.size()); | ||||
7975 | for (unsigned i = 0, e = SrcExprs.size(); i != e; ++i) { | ||||
7976 | ExprResult Result = getDerived().TransformExpr(SrcExprs[i]); | ||||
7977 | if (!Result.isUsable()) { | ||||
7978 | HadError = true; | ||||
7979 | } else { | ||||
7980 | HadChange |= (Result.get() != SrcExprs[i]); | ||||
7981 | TransformedExprs.push_back(Result.get()); | ||||
7982 | } | ||||
7983 | } | ||||
7984 | |||||
7985 | if (HadError) return StmtError(); | ||||
7986 | if (!HadChange && !getDerived().AlwaysRebuild()) | ||||
7987 | return Owned(S); | ||||
7988 | |||||
7989 | return getDerived().RebuildMSAsmStmt(S->getAsmLoc(), S->getLBraceLoc(), | ||||
7990 | AsmToks, S->getAsmString(), | ||||
7991 | S->getNumOutputs(), S->getNumInputs(), | ||||
7992 | S->getAllConstraints(), S->getClobbers(), | ||||
7993 | TransformedExprs, S->getEndLoc()); | ||||
7994 | } | ||||
7995 | |||||
7996 | // C++ Coroutines | ||||
7997 | template<typename Derived> | ||||
7998 | StmtResult | ||||
7999 | TreeTransform<Derived>::TransformCoroutineBodyStmt(CoroutineBodyStmt *S) { | ||||
8000 | auto *ScopeInfo = SemaRef.getCurFunction(); | ||||
8001 | auto *FD = cast<FunctionDecl>(SemaRef.CurContext); | ||||
8002 | assert(FD && ScopeInfo && !ScopeInfo->CoroutinePromise &&(static_cast <bool> (FD && ScopeInfo && !ScopeInfo->CoroutinePromise && ScopeInfo->NeedsCoroutineSuspends && ScopeInfo->CoroutineSuspends.first == nullptr && ScopeInfo->CoroutineSuspends.second == nullptr && "expected clean scope info") ? void (0) : __assert_fail ("FD && ScopeInfo && !ScopeInfo->CoroutinePromise && ScopeInfo->NeedsCoroutineSuspends && ScopeInfo->CoroutineSuspends.first == nullptr && ScopeInfo->CoroutineSuspends.second == nullptr && \"expected clean scope info\"" , "clang/lib/Sema/TreeTransform.h", 8006, __extension__ __PRETTY_FUNCTION__ )) | ||||
8003 | ScopeInfo->NeedsCoroutineSuspends &&(static_cast <bool> (FD && ScopeInfo && !ScopeInfo->CoroutinePromise && ScopeInfo->NeedsCoroutineSuspends && ScopeInfo->CoroutineSuspends.first == nullptr && ScopeInfo->CoroutineSuspends.second == nullptr && "expected clean scope info") ? void (0) : __assert_fail ("FD && ScopeInfo && !ScopeInfo->CoroutinePromise && ScopeInfo->NeedsCoroutineSuspends && ScopeInfo->CoroutineSuspends.first == nullptr && ScopeInfo->CoroutineSuspends.second == nullptr && \"expected clean scope info\"" , "clang/lib/Sema/TreeTransform.h", 8006, __extension__ __PRETTY_FUNCTION__ )) | ||||
8004 | ScopeInfo->CoroutineSuspends.first == nullptr &&(static_cast <bool> (FD && ScopeInfo && !ScopeInfo->CoroutinePromise && ScopeInfo->NeedsCoroutineSuspends && ScopeInfo->CoroutineSuspends.first == nullptr && ScopeInfo->CoroutineSuspends.second == nullptr && "expected clean scope info") ? void (0) : __assert_fail ("FD && ScopeInfo && !ScopeInfo->CoroutinePromise && ScopeInfo->NeedsCoroutineSuspends && ScopeInfo->CoroutineSuspends.first == nullptr && ScopeInfo->CoroutineSuspends.second == nullptr && \"expected clean scope info\"" , "clang/lib/Sema/TreeTransform.h", 8006, __extension__ __PRETTY_FUNCTION__ )) | ||||
8005 | ScopeInfo->CoroutineSuspends.second == nullptr &&(static_cast <bool> (FD && ScopeInfo && !ScopeInfo->CoroutinePromise && ScopeInfo->NeedsCoroutineSuspends && ScopeInfo->CoroutineSuspends.first == nullptr && ScopeInfo->CoroutineSuspends.second == nullptr && "expected clean scope info") ? void (0) : __assert_fail ("FD && ScopeInfo && !ScopeInfo->CoroutinePromise && ScopeInfo->NeedsCoroutineSuspends && ScopeInfo->CoroutineSuspends.first == nullptr && ScopeInfo->CoroutineSuspends.second == nullptr && \"expected clean scope info\"" , "clang/lib/Sema/TreeTransform.h", 8006, __extension__ __PRETTY_FUNCTION__ )) | ||||
8006 | "expected clean scope info")(static_cast <bool> (FD && ScopeInfo && !ScopeInfo->CoroutinePromise && ScopeInfo->NeedsCoroutineSuspends && ScopeInfo->CoroutineSuspends.first == nullptr && ScopeInfo->CoroutineSuspends.second == nullptr && "expected clean scope info") ? void (0) : __assert_fail ("FD && ScopeInfo && !ScopeInfo->CoroutinePromise && ScopeInfo->NeedsCoroutineSuspends && ScopeInfo->CoroutineSuspends.first == nullptr && ScopeInfo->CoroutineSuspends.second == nullptr && \"expected clean scope info\"" , "clang/lib/Sema/TreeTransform.h", 8006, __extension__ __PRETTY_FUNCTION__ )); | ||||
8007 | |||||
8008 | // Set that we have (possibly-invalid) suspend points before we do anything | ||||
8009 | // that may fail. | ||||
8010 | ScopeInfo->setNeedsCoroutineSuspends(false); | ||||
8011 | |||||
8012 | // We re-build the coroutine promise object (and the coroutine parameters its | ||||
8013 | // type and constructor depend on) based on the types used in our current | ||||
8014 | // function. We must do so, and set it on the current FunctionScopeInfo, | ||||
8015 | // before attempting to transform the other parts of the coroutine body | ||||
8016 | // statement, such as the implicit suspend statements (because those | ||||
8017 | // statements reference the FunctionScopeInfo::CoroutinePromise). | ||||
8018 | if (!SemaRef.buildCoroutineParameterMoves(FD->getLocation())) | ||||
8019 | return StmtError(); | ||||
8020 | auto *Promise = SemaRef.buildCoroutinePromise(FD->getLocation()); | ||||
8021 | if (!Promise) | ||||
8022 | return StmtError(); | ||||
8023 | getDerived().transformedLocalDecl(S->getPromiseDecl(), {Promise}); | ||||
8024 | ScopeInfo->CoroutinePromise = Promise; | ||||
8025 | |||||
8026 | // Transform the implicit coroutine statements constructed using dependent | ||||
8027 | // types during the previous parse: initial and final suspensions, the return | ||||
8028 | // object, and others. We also transform the coroutine function's body. | ||||
8029 | StmtResult InitSuspend = getDerived().TransformStmt(S->getInitSuspendStmt()); | ||||
8030 | if (InitSuspend.isInvalid()) | ||||
8031 | return StmtError(); | ||||
8032 | StmtResult FinalSuspend = | ||||
8033 | getDerived().TransformStmt(S->getFinalSuspendStmt()); | ||||
8034 | if (FinalSuspend.isInvalid() || | ||||
8035 | !SemaRef.checkFinalSuspendNoThrow(FinalSuspend.get())) | ||||
8036 | return StmtError(); | ||||
8037 | ScopeInfo->setCoroutineSuspends(InitSuspend.get(), FinalSuspend.get()); | ||||
8038 | assert(isa<Expr>(InitSuspend.get()) && isa<Expr>(FinalSuspend.get()))(static_cast <bool> (isa<Expr>(InitSuspend.get()) && isa<Expr>(FinalSuspend.get())) ? void (0) : __assert_fail ("isa<Expr>(InitSuspend.get()) && isa<Expr>(FinalSuspend.get())" , "clang/lib/Sema/TreeTransform.h", 8038, __extension__ __PRETTY_FUNCTION__ )); | ||||
8039 | |||||
8040 | StmtResult BodyRes = getDerived().TransformStmt(S->getBody()); | ||||
8041 | if (BodyRes.isInvalid()) | ||||
8042 | return StmtError(); | ||||
8043 | |||||
8044 | CoroutineStmtBuilder Builder(SemaRef, *FD, *ScopeInfo, BodyRes.get()); | ||||
8045 | if (Builder.isInvalid()) | ||||
8046 | return StmtError(); | ||||
8047 | |||||
8048 | Expr *ReturnObject = S->getReturnValueInit(); | ||||
8049 | assert(ReturnObject && "the return object is expected to be valid")(static_cast <bool> (ReturnObject && "the return object is expected to be valid" ) ? void (0) : __assert_fail ("ReturnObject && \"the return object is expected to be valid\"" , "clang/lib/Sema/TreeTransform.h", 8049, __extension__ __PRETTY_FUNCTION__ )); | ||||
8050 | ExprResult Res = getDerived().TransformInitializer(ReturnObject, | ||||
8051 | /*NoCopyInit*/ false); | ||||
8052 | if (Res.isInvalid()) | ||||
8053 | return StmtError(); | ||||
8054 | Builder.ReturnValue = Res.get(); | ||||
8055 | |||||
8056 | // If during the previous parse the coroutine still had a dependent promise | ||||
8057 | // statement, we may need to build some implicit coroutine statements | ||||
8058 | // (such as exception and fallthrough handlers) for the first time. | ||||
8059 | if (S->hasDependentPromiseType()) { | ||||
8060 | // We can only build these statements, however, if the current promise type | ||||
8061 | // is not dependent. | ||||
8062 | if (!Promise->getType()->isDependentType()) { | ||||
8063 | assert(!S->getFallthroughHandler() && !S->getExceptionHandler() &&(static_cast <bool> (!S->getFallthroughHandler() && !S->getExceptionHandler() && !S->getReturnStmtOnAllocFailure () && !S->getDeallocate() && "these nodes should not have been built yet" ) ? void (0) : __assert_fail ("!S->getFallthroughHandler() && !S->getExceptionHandler() && !S->getReturnStmtOnAllocFailure() && !S->getDeallocate() && \"these nodes should not have been built yet\"" , "clang/lib/Sema/TreeTransform.h", 8065, __extension__ __PRETTY_FUNCTION__ )) | ||||
8064 | !S->getReturnStmtOnAllocFailure() && !S->getDeallocate() &&(static_cast <bool> (!S->getFallthroughHandler() && !S->getExceptionHandler() && !S->getReturnStmtOnAllocFailure () && !S->getDeallocate() && "these nodes should not have been built yet" ) ? void (0) : __assert_fail ("!S->getFallthroughHandler() && !S->getExceptionHandler() && !S->getReturnStmtOnAllocFailure() && !S->getDeallocate() && \"these nodes should not have been built yet\"" , "clang/lib/Sema/TreeTransform.h", 8065, __extension__ __PRETTY_FUNCTION__ )) | ||||
8065 | "these nodes should not have been built yet")(static_cast <bool> (!S->getFallthroughHandler() && !S->getExceptionHandler() && !S->getReturnStmtOnAllocFailure () && !S->getDeallocate() && "these nodes should not have been built yet" ) ? void (0) : __assert_fail ("!S->getFallthroughHandler() && !S->getExceptionHandler() && !S->getReturnStmtOnAllocFailure() && !S->getDeallocate() && \"these nodes should not have been built yet\"" , "clang/lib/Sema/TreeTransform.h", 8065, __extension__ __PRETTY_FUNCTION__ )); | ||||
8066 | if (!Builder.buildDependentStatements()) | ||||
8067 | return StmtError(); | ||||
8068 | } | ||||
8069 | } else { | ||||
8070 | if (auto *OnFallthrough = S->getFallthroughHandler()) { | ||||
8071 | StmtResult Res = getDerived().TransformStmt(OnFallthrough); | ||||
8072 | if (Res.isInvalid()) | ||||
8073 | return StmtError(); | ||||
8074 | Builder.OnFallthrough = Res.get(); | ||||
8075 | } | ||||
8076 | |||||
8077 | if (auto *OnException = S->getExceptionHandler()) { | ||||
8078 | StmtResult Res = getDerived().TransformStmt(OnException); | ||||
8079 | if (Res.isInvalid()) | ||||
8080 | return StmtError(); | ||||
8081 | Builder.OnException = Res.get(); | ||||
8082 | } | ||||
8083 | |||||
8084 | if (auto *OnAllocFailure = S->getReturnStmtOnAllocFailure()) { | ||||
8085 | StmtResult Res = getDerived().TransformStmt(OnAllocFailure); | ||||
8086 | if (Res.isInvalid()) | ||||
8087 | return StmtError(); | ||||
8088 | Builder.ReturnStmtOnAllocFailure = Res.get(); | ||||
8089 | } | ||||
8090 | |||||
8091 | // Transform any additional statements we may have already built | ||||
8092 | assert(S->getAllocate() && S->getDeallocate() &&(static_cast <bool> (S->getAllocate() && S-> getDeallocate() && "allocation and deallocation calls must already be built" ) ? void (0) : __assert_fail ("S->getAllocate() && S->getDeallocate() && \"allocation and deallocation calls must already be built\"" , "clang/lib/Sema/TreeTransform.h", 8093, __extension__ __PRETTY_FUNCTION__ )) | ||||
8093 | "allocation and deallocation calls must already be built")(static_cast <bool> (S->getAllocate() && S-> getDeallocate() && "allocation and deallocation calls must already be built" ) ? void (0) : __assert_fail ("S->getAllocate() && S->getDeallocate() && \"allocation and deallocation calls must already be built\"" , "clang/lib/Sema/TreeTransform.h", 8093, __extension__ __PRETTY_FUNCTION__ )); | ||||
8094 | ExprResult AllocRes = getDerived().TransformExpr(S->getAllocate()); | ||||
8095 | if (AllocRes.isInvalid()) | ||||
8096 | return StmtError(); | ||||
8097 | Builder.Allocate = AllocRes.get(); | ||||
8098 | |||||
8099 | ExprResult DeallocRes = getDerived().TransformExpr(S->getDeallocate()); | ||||
8100 | if (DeallocRes.isInvalid()) | ||||
8101 | return StmtError(); | ||||
8102 | Builder.Deallocate = DeallocRes.get(); | ||||
8103 | |||||
8104 | if (auto *ResultDecl = S->getResultDecl()) { | ||||
8105 | StmtResult Res = getDerived().TransformStmt(ResultDecl); | ||||
8106 | if (Res.isInvalid()) | ||||
8107 | return StmtError(); | ||||
8108 | Builder.ResultDecl = Res.get(); | ||||
8109 | } | ||||
8110 | |||||
8111 | if (auto *ReturnStmt = S->getReturnStmt()) { | ||||
8112 | StmtResult Res = getDerived().TransformStmt(ReturnStmt); | ||||
8113 | if (Res.isInvalid()) | ||||
8114 | return StmtError(); | ||||
8115 | Builder.ReturnStmt = Res.get(); | ||||
8116 | } | ||||
8117 | } | ||||
8118 | |||||
8119 | return getDerived().RebuildCoroutineBodyStmt(Builder); | ||||
8120 | } | ||||
8121 | |||||
8122 | template<typename Derived> | ||||
8123 | StmtResult | ||||
8124 | TreeTransform<Derived>::TransformCoreturnStmt(CoreturnStmt *S) { | ||||
8125 | ExprResult Result = getDerived().TransformInitializer(S->getOperand(), | ||||
8126 | /*NotCopyInit*/false); | ||||
8127 | if (Result.isInvalid()) | ||||
8128 | return StmtError(); | ||||
8129 | |||||
8130 | // Always rebuild; we don't know if this needs to be injected into a new | ||||
8131 | // context or if the promise type has changed. | ||||
8132 | return getDerived().RebuildCoreturnStmt(S->getKeywordLoc(), Result.get(), | ||||
8133 | S->isImplicit()); | ||||
8134 | } | ||||
8135 | |||||
8136 | template <typename Derived> | ||||
8137 | ExprResult TreeTransform<Derived>::TransformCoawaitExpr(CoawaitExpr *E) { | ||||
8138 | ExprResult Operand = getDerived().TransformInitializer(E->getOperand(), | ||||
8139 | /*NotCopyInit*/ false); | ||||
8140 | if (Operand.isInvalid()) | ||||
8141 | return ExprError(); | ||||
8142 | |||||
8143 | // Rebuild the common-expr from the operand rather than transforming it | ||||
8144 | // separately. | ||||
8145 | |||||
8146 | // FIXME: getCurScope() should not be used during template instantiation. | ||||
8147 | // We should pick up the set of unqualified lookup results for operator | ||||
8148 | // co_await during the initial parse. | ||||
8149 | ExprResult Lookup = getSema().BuildOperatorCoawaitLookupExpr( | ||||
8150 | getSema().getCurScope(), E->getKeywordLoc()); | ||||
8151 | |||||
8152 | // Always rebuild; we don't know if this needs to be injected into a new | ||||
8153 | // context or if the promise type has changed. | ||||
8154 | return getDerived().RebuildCoawaitExpr( | ||||
8155 | E->getKeywordLoc(), Operand.get(), | ||||
8156 | cast<UnresolvedLookupExpr>(Lookup.get()), E->isImplicit()); | ||||
8157 | } | ||||
8158 | |||||
8159 | template <typename Derived> | ||||
8160 | ExprResult | ||||
8161 | TreeTransform<Derived>::TransformDependentCoawaitExpr(DependentCoawaitExpr *E) { | ||||
8162 | ExprResult OperandResult = getDerived().TransformInitializer(E->getOperand(), | ||||
8163 | /*NotCopyInit*/ false); | ||||
8164 | if (OperandResult.isInvalid()) | ||||
8165 | return ExprError(); | ||||
8166 | |||||
8167 | ExprResult LookupResult = getDerived().TransformUnresolvedLookupExpr( | ||||
8168 | E->getOperatorCoawaitLookup()); | ||||
8169 | |||||
8170 | if (LookupResult.isInvalid()) | ||||
8171 | return ExprError(); | ||||
8172 | |||||
8173 | // Always rebuild; we don't know if this needs to be injected into a new | ||||
8174 | // context or if the promise type has changed. | ||||
8175 | return getDerived().RebuildDependentCoawaitExpr( | ||||
8176 | E->getKeywordLoc(), OperandResult.get(), | ||||
8177 | cast<UnresolvedLookupExpr>(LookupResult.get())); | ||||
8178 | } | ||||
8179 | |||||
8180 | template<typename Derived> | ||||
8181 | ExprResult | ||||
8182 | TreeTransform<Derived>::TransformCoyieldExpr(CoyieldExpr *E) { | ||||
8183 | ExprResult Result = getDerived().TransformInitializer(E->getOperand(), | ||||
8184 | /*NotCopyInit*/false); | ||||
8185 | if (Result.isInvalid()) | ||||
8186 | return ExprError(); | ||||
8187 | |||||
8188 | // Always rebuild; we don't know if this needs to be injected into a new | ||||
8189 | // context or if the promise type has changed. | ||||
8190 | return getDerived().RebuildCoyieldExpr(E->getKeywordLoc(), Result.get()); | ||||
8191 | } | ||||
8192 | |||||
8193 | // Objective-C Statements. | ||||
8194 | |||||
8195 | template<typename Derived> | ||||
8196 | StmtResult | ||||
8197 | TreeTransform<Derived>::TransformObjCAtTryStmt(ObjCAtTryStmt *S) { | ||||
8198 | // Transform the body of the @try. | ||||
8199 | StmtResult TryBody = getDerived().TransformStmt(S->getTryBody()); | ||||
8200 | if (TryBody.isInvalid()) | ||||
8201 | return StmtError(); | ||||
8202 | |||||
8203 | // Transform the @catch statements (if present). | ||||
8204 | bool AnyCatchChanged = false; | ||||
8205 | SmallVector<Stmt*, 8> CatchStmts; | ||||
8206 | for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) { | ||||
8207 | StmtResult Catch = getDerived().TransformStmt(S->getCatchStmt(I)); | ||||
8208 | if (Catch.isInvalid()) | ||||
8209 | return StmtError(); | ||||
8210 | if (Catch.get() != S->getCatchStmt(I)) | ||||
8211 | AnyCatchChanged = true; | ||||
8212 | CatchStmts.push_back(Catch.get()); | ||||
8213 | } | ||||
8214 | |||||
8215 | // Transform the @finally statement (if present). | ||||
8216 | StmtResult Finally; | ||||
8217 | if (S->getFinallyStmt()) { | ||||
8218 | Finally = getDerived().TransformStmt(S->getFinallyStmt()); | ||||
8219 | if (Finally.isInvalid()) | ||||
8220 | return StmtError(); | ||||
8221 | } | ||||
8222 | |||||
8223 | // If nothing changed, just retain this statement. | ||||
8224 | if (!getDerived().AlwaysRebuild() && | ||||
8225 | TryBody.get() == S->getTryBody() && | ||||
8226 | !AnyCatchChanged && | ||||
8227 | Finally.get() == S->getFinallyStmt()) | ||||
8228 | return S; | ||||
8229 | |||||
8230 | // Build a new statement. | ||||
8231 | return getDerived().RebuildObjCAtTryStmt(S->getAtTryLoc(), TryBody.get(), | ||||
8232 | CatchStmts, Finally.get()); | ||||
8233 | } | ||||
8234 | |||||
8235 | template<typename Derived> | ||||
8236 | StmtResult | ||||
8237 | TreeTransform<Derived>::TransformObjCAtCatchStmt(ObjCAtCatchStmt *S) { | ||||
8238 | // Transform the @catch parameter, if there is one. | ||||
8239 | VarDecl *Var = nullptr; | ||||
8240 | if (VarDecl *FromVar = S->getCatchParamDecl()) { | ||||
8241 | TypeSourceInfo *TSInfo = nullptr; | ||||
8242 | if (FromVar->getTypeSourceInfo()) { | ||||
8243 | TSInfo = getDerived().TransformType(FromVar->getTypeSourceInfo()); | ||||
8244 | if (!TSInfo) | ||||
8245 | return StmtError(); | ||||
8246 | } | ||||
8247 | |||||
8248 | QualType T; | ||||
8249 | if (TSInfo) | ||||
8250 | T = TSInfo->getType(); | ||||
8251 | else { | ||||
8252 | T = getDerived().TransformType(FromVar->getType()); | ||||
8253 | if (T.isNull()) | ||||
8254 | return StmtError(); | ||||
8255 | } | ||||
8256 | |||||
8257 | Var = getDerived().RebuildObjCExceptionDecl(FromVar, TSInfo, T); | ||||
8258 | if (!Var) | ||||
8259 | return StmtError(); | ||||
8260 | } | ||||
8261 | |||||
8262 | StmtResult Body = getDerived().TransformStmt(S->getCatchBody()); | ||||
8263 | if (Body.isInvalid()) | ||||
8264 | return StmtError(); | ||||
8265 | |||||
8266 | return getDerived().RebuildObjCAtCatchStmt(S->getAtCatchLoc(), | ||||
8267 | S->getRParenLoc(), | ||||
8268 | Var, Body.get()); | ||||
8269 | } | ||||
8270 | |||||
8271 | template<typename Derived> | ||||
8272 | StmtResult | ||||
8273 | TreeTransform<Derived>::TransformObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { | ||||
8274 | // Transform the body. | ||||
8275 | StmtResult Body = getDerived().TransformStmt(S->getFinallyBody()); | ||||
8276 | if (Body.isInvalid()) | ||||
8277 | return StmtError(); | ||||
8278 | |||||
8279 | // If nothing changed, just retain this statement. | ||||
8280 | if (!getDerived().AlwaysRebuild() && | ||||
8281 | Body.get() == S->getFinallyBody()) | ||||
8282 | return S; | ||||
8283 | |||||
8284 | // Build a new statement. | ||||
8285 | return getDerived().RebuildObjCAtFinallyStmt(S->getAtFinallyLoc(), | ||||
8286 | Body.get()); | ||||
8287 | } | ||||
8288 | |||||
8289 | template<typename Derived> | ||||
8290 | StmtResult | ||||
8291 | TreeTransform<Derived>::TransformObjCAtThrowStmt(ObjCAtThrowStmt *S) { | ||||
8292 | ExprResult Operand; | ||||
8293 | if (S->getThrowExpr()) { | ||||
8294 | Operand = getDerived().TransformExpr(S->getThrowExpr()); | ||||
8295 | if (Operand.isInvalid()) | ||||
8296 | return StmtError(); | ||||
8297 | } | ||||
8298 | |||||
8299 | if (!getDerived().AlwaysRebuild() && | ||||
8300 | Operand.get() == S->getThrowExpr()) | ||||
8301 | return S; | ||||
8302 | |||||
8303 | return getDerived().RebuildObjCAtThrowStmt(S->getThrowLoc(), Operand.get()); | ||||
8304 | } | ||||
8305 | |||||
8306 | template<typename Derived> | ||||
8307 | StmtResult | ||||
8308 | TreeTransform<Derived>::TransformObjCAtSynchronizedStmt( | ||||
8309 | ObjCAtSynchronizedStmt *S) { | ||||
8310 | // Transform the object we are locking. | ||||
8311 | ExprResult Object = getDerived().TransformExpr(S->getSynchExpr()); | ||||
8312 | if (Object.isInvalid()) | ||||
8313 | return StmtError(); | ||||
8314 | Object = | ||||
8315 | getDerived().RebuildObjCAtSynchronizedOperand(S->getAtSynchronizedLoc(), | ||||
8316 | Object.get()); | ||||
8317 | if (Object.isInvalid()) | ||||
8318 | return StmtError(); | ||||
8319 | |||||
8320 | // Transform the body. | ||||
8321 | StmtResult Body = getDerived().TransformStmt(S->getSynchBody()); | ||||
8322 | if (Body.isInvalid()) | ||||
8323 | return StmtError(); | ||||
8324 | |||||
8325 | // If nothing change, just retain the current statement. | ||||
8326 | if (!getDerived().AlwaysRebuild() && | ||||
8327 | Object.get() == S->getSynchExpr() && | ||||
8328 | Body.get() == S->getSynchBody()) | ||||
8329 | return S; | ||||
8330 | |||||
8331 | // Build a new statement. | ||||
8332 | return getDerived().RebuildObjCAtSynchronizedStmt(S->getAtSynchronizedLoc(), | ||||
8333 | Object.get(), Body.get()); | ||||
8334 | } | ||||
8335 | |||||
8336 | template<typename Derived> | ||||
8337 | StmtResult | ||||
8338 | TreeTransform<Derived>::TransformObjCAutoreleasePoolStmt( | ||||
8339 | ObjCAutoreleasePoolStmt *S) { | ||||
8340 | // Transform the body. | ||||
8341 | StmtResult Body = getDerived().TransformStmt(S->getSubStmt()); | ||||
8342 | if (Body.isInvalid()) | ||||
8343 | return StmtError(); | ||||
8344 | |||||
8345 | // If nothing changed, just retain this statement. | ||||
8346 | if (!getDerived().AlwaysRebuild() && | ||||
8347 | Body.get() == S->getSubStmt()) | ||||
8348 | return S; | ||||
8349 | |||||
8350 | // Build a new statement. | ||||
8351 | return getDerived().RebuildObjCAutoreleasePoolStmt( | ||||
8352 | S->getAtLoc(), Body.get()); | ||||
8353 | } | ||||
8354 | |||||
8355 | template<typename Derived> | ||||
8356 | StmtResult | ||||
8357 | TreeTransform<Derived>::TransformObjCForCollectionStmt( | ||||
8358 | ObjCForCollectionStmt *S) { | ||||
8359 | // Transform the element statement. | ||||
8360 | StmtResult Element = | ||||
8361 | getDerived().TransformStmt(S->getElement(), SDK_NotDiscarded); | ||||
8362 | if (Element.isInvalid()) | ||||
8363 | return StmtError(); | ||||
8364 | |||||
8365 | // Transform the collection expression. | ||||
8366 | ExprResult Collection = getDerived().TransformExpr(S->getCollection()); | ||||
8367 | if (Collection.isInvalid()) | ||||
8368 | return StmtError(); | ||||
8369 | |||||
8370 | // Transform the body. | ||||
8371 | StmtResult Body = getDerived().TransformStmt(S->getBody()); | ||||
8372 | if (Body.isInvalid()) | ||||
8373 | return StmtError(); | ||||
8374 | |||||
8375 | // If nothing changed, just retain this statement. | ||||
8376 | if (!getDerived().AlwaysRebuild() && | ||||
8377 | Element.get() == S->getElement() && | ||||
8378 | Collection.get() == S->getCollection() && | ||||
8379 | Body.get() == S->getBody()) | ||||
8380 | return S; | ||||
8381 | |||||
8382 | // Build a new statement. | ||||
8383 | return getDerived().RebuildObjCForCollectionStmt(S->getForLoc(), | ||||
8384 | Element.get(), | ||||
8385 | Collection.get(), | ||||
8386 | S->getRParenLoc(), | ||||
8387 | Body.get()); | ||||
8388 | } | ||||
8389 | |||||
8390 | template <typename Derived> | ||||
8391 | StmtResult TreeTransform<Derived>::TransformCXXCatchStmt(CXXCatchStmt *S) { | ||||
8392 | // Transform the exception declaration, if any. | ||||
8393 | VarDecl *Var = nullptr; | ||||
8394 | if (VarDecl *ExceptionDecl = S->getExceptionDecl()) { | ||||
8395 | TypeSourceInfo *T = | ||||
8396 | getDerived().TransformType(ExceptionDecl->getTypeSourceInfo()); | ||||
8397 | if (!T) | ||||
8398 | return StmtError(); | ||||
8399 | |||||
8400 | Var = getDerived().RebuildExceptionDecl( | ||||
8401 | ExceptionDecl, T, ExceptionDecl->getInnerLocStart(), | ||||
8402 | ExceptionDecl->getLocation(), ExceptionDecl->getIdentifier()); | ||||
8403 | if (!Var || Var->isInvalidDecl()) | ||||
8404 | return StmtError(); | ||||
8405 | } | ||||
8406 | |||||
8407 | // Transform the actual exception handler. | ||||
8408 | StmtResult Handler = getDerived().TransformStmt(S->getHandlerBlock()); | ||||
8409 | if (Handler.isInvalid()) | ||||
8410 | return StmtError(); | ||||
8411 | |||||
8412 | if (!getDerived().AlwaysRebuild() && !Var && | ||||
8413 | Handler.get() == S->getHandlerBlock()) | ||||
8414 | return S; | ||||
8415 | |||||
8416 | return getDerived().RebuildCXXCatchStmt(S->getCatchLoc(), Var, Handler.get()); | ||||
8417 | } | ||||
8418 | |||||
8419 | template <typename Derived> | ||||
8420 | StmtResult TreeTransform<Derived>::TransformCXXTryStmt(CXXTryStmt *S) { | ||||
8421 | // Transform the try block itself. | ||||
8422 | StmtResult TryBlock = getDerived().TransformCompoundStmt(S->getTryBlock()); | ||||
8423 | if (TryBlock.isInvalid()) | ||||
8424 | return StmtError(); | ||||
8425 | |||||
8426 | // Transform the handlers. | ||||
8427 | bool HandlerChanged = false; | ||||
8428 | SmallVector<Stmt *, 8> Handlers; | ||||
8429 | for (unsigned I = 0, N = S->getNumHandlers(); I != N; ++I) { | ||||
8430 | StmtResult Handler = getDerived().TransformCXXCatchStmt(S->getHandler(I)); | ||||
8431 | if (Handler.isInvalid()) | ||||
8432 | return StmtError(); | ||||
8433 | |||||
8434 | HandlerChanged = HandlerChanged || Handler.get() != S->getHandler(I); | ||||
8435 | Handlers.push_back(Handler.getAs<Stmt>()); | ||||
8436 | } | ||||
8437 | |||||
8438 | if (!getDerived().AlwaysRebuild() && TryBlock.get() == S->getTryBlock() && | ||||
8439 | !HandlerChanged) | ||||
8440 | return S; | ||||
8441 | |||||
8442 | return getDerived().RebuildCXXTryStmt(S->getTryLoc(), TryBlock.get(), | ||||
8443 | Handlers); | ||||
8444 | } | ||||
8445 | |||||
8446 | template<typename Derived> | ||||
8447 | StmtResult | ||||
8448 | TreeTransform<Derived>::TransformCXXForRangeStmt(CXXForRangeStmt *S) { | ||||
8449 | StmtResult Init = | ||||
8450 | S->getInit() ? getDerived().TransformStmt(S->getInit()) : StmtResult(); | ||||
8451 | if (Init.isInvalid()) | ||||
8452 | return StmtError(); | ||||
8453 | |||||
8454 | StmtResult Range = getDerived().TransformStmt(S->getRangeStmt()); | ||||
8455 | if (Range.isInvalid()) | ||||
8456 | return StmtError(); | ||||
8457 | |||||
8458 | StmtResult Begin = getDerived().TransformStmt(S->getBeginStmt()); | ||||
8459 | if (Begin.isInvalid()) | ||||
8460 | return StmtError(); | ||||
8461 | StmtResult End = getDerived().TransformStmt(S->getEndStmt()); | ||||
8462 | if (End.isInvalid()) | ||||
8463 | return StmtError(); | ||||
8464 | |||||
8465 | ExprResult Cond = getDerived().TransformExpr(S->getCond()); | ||||
8466 | if (Cond.isInvalid()) | ||||
8467 | return StmtError(); | ||||
8468 | if (Cond.get()) | ||||
8469 | Cond = SemaRef.CheckBooleanCondition(S->getColonLoc(), Cond.get()); | ||||
8470 | if (Cond.isInvalid()) | ||||
8471 | return StmtError(); | ||||
8472 | if (Cond.get()) | ||||
8473 | Cond = SemaRef.MaybeCreateExprWithCleanups(Cond.get()); | ||||
8474 | |||||
8475 | ExprResult Inc = getDerived().TransformExpr(S->getInc()); | ||||
8476 | if (Inc.isInvalid()) | ||||
8477 | return StmtError(); | ||||
8478 | if (Inc.get()) | ||||
8479 | Inc = SemaRef.MaybeCreateExprWithCleanups(Inc.get()); | ||||
8480 | |||||
8481 | StmtResult LoopVar = getDerived().TransformStmt(S->getLoopVarStmt()); | ||||
8482 | if (LoopVar.isInvalid()) | ||||
8483 | return StmtError(); | ||||
8484 | |||||
8485 | StmtResult NewStmt = S; | ||||
8486 | if (getDerived().AlwaysRebuild() || | ||||
8487 | Init.get() != S->getInit() || | ||||
8488 | Range.get() != S->getRangeStmt() || | ||||
8489 | Begin.get() != S->getBeginStmt() || | ||||
8490 | End.get() != S->getEndStmt() || | ||||
8491 | Cond.get() != S->getCond() || | ||||
8492 | Inc.get() != S->getInc() || | ||||
8493 | LoopVar.get() != S->getLoopVarStmt()) { | ||||
8494 | NewStmt = getDerived().RebuildCXXForRangeStmt(S->getForLoc(), | ||||
8495 | S->getCoawaitLoc(), Init.get(), | ||||
8496 | S->getColonLoc(), Range.get(), | ||||
8497 | Begin.get(), End.get(), | ||||
8498 | Cond.get(), | ||||
8499 | Inc.get(), LoopVar.get(), | ||||
8500 | S->getRParenLoc()); | ||||
8501 | if (NewStmt.isInvalid() && LoopVar.get() != S->getLoopVarStmt()) { | ||||
8502 | // Might not have attached any initializer to the loop variable. | ||||
8503 | getSema().ActOnInitializerError( | ||||
8504 | cast<DeclStmt>(LoopVar.get())->getSingleDecl()); | ||||
8505 | return StmtError(); | ||||
8506 | } | ||||
8507 | } | ||||
8508 | |||||
8509 | StmtResult Body = getDerived().TransformStmt(S->getBody()); | ||||
8510 | if (Body.isInvalid()) | ||||
8511 | return StmtError(); | ||||
8512 | |||||
8513 | // Body has changed but we didn't rebuild the for-range statement. Rebuild | ||||
8514 | // it now so we have a new statement to attach the body to. | ||||
8515 | if (Body.get() != S->getBody() && NewStmt.get() == S) { | ||||
8516 | NewStmt = getDerived().RebuildCXXForRangeStmt(S->getForLoc(), | ||||
8517 | S->getCoawaitLoc(), Init.get(), | ||||
8518 | S->getColonLoc(), Range.get(), | ||||
8519 | Begin.get(), End.get(), | ||||
8520 | Cond.get(), | ||||
8521 | Inc.get(), LoopVar.get(), | ||||
8522 | S->getRParenLoc()); | ||||
8523 | if (NewStmt.isInvalid()) | ||||
8524 | return StmtError(); | ||||
8525 | } | ||||
8526 | |||||
8527 | if (NewStmt.get() == S) | ||||
8528 | return S; | ||||
8529 | |||||
8530 | return FinishCXXForRangeStmt(NewStmt.get(), Body.get()); | ||||
8531 | } | ||||
8532 | |||||
8533 | template<typename Derived> | ||||
8534 | StmtResult | ||||
8535 | TreeTransform<Derived>::TransformMSDependentExistsStmt( | ||||
8536 | MSDependentExistsStmt *S) { | ||||
8537 | // Transform the nested-name-specifier, if any. | ||||
8538 | NestedNameSpecifierLoc QualifierLoc; | ||||
8539 | if (S->getQualifierLoc()) { | ||||
8540 | QualifierLoc | ||||
8541 | = getDerived().TransformNestedNameSpecifierLoc(S->getQualifierLoc()); | ||||
8542 | if (!QualifierLoc) | ||||
8543 | return StmtError(); | ||||
8544 | } | ||||
8545 | |||||
8546 | // Transform the declaration name. | ||||
8547 | DeclarationNameInfo NameInfo = S->getNameInfo(); | ||||
8548 | if (NameInfo.getName()) { | ||||
8549 | NameInfo = getDerived().TransformDeclarationNameInfo(NameInfo); | ||||
8550 | if (!NameInfo.getName()) | ||||
8551 | return StmtError(); | ||||
8552 | } | ||||
8553 | |||||
8554 | // Check whether anything changed. | ||||
8555 | if (!getDerived().AlwaysRebuild() && | ||||
8556 | QualifierLoc == S->getQualifierLoc() && | ||||
8557 | NameInfo.getName() == S->getNameInfo().getName()) | ||||
8558 | return S; | ||||
8559 | |||||
8560 | // Determine whether this name exists, if we can. | ||||
8561 | CXXScopeSpec SS; | ||||
8562 | SS.Adopt(QualifierLoc); | ||||
8563 | bool Dependent = false; | ||||
8564 | switch (getSema().CheckMicrosoftIfExistsSymbol(/*S=*/nullptr, SS, NameInfo)) { | ||||
8565 | case Sema::IER_Exists: | ||||
8566 | if (S->isIfExists()) | ||||
8567 | break; | ||||
8568 | |||||
8569 | return new (getSema().Context) NullStmt(S->getKeywordLoc()); | ||||
8570 | |||||
8571 | case Sema::IER_DoesNotExist: | ||||
8572 | if (S->isIfNotExists()) | ||||
8573 | break; | ||||
8574 | |||||
8575 | return new (getSema().Context) NullStmt(S->getKeywordLoc()); | ||||
8576 | |||||
8577 | case Sema::IER_Dependent: | ||||
8578 | Dependent = true; | ||||
8579 | break; | ||||
8580 | |||||
8581 | case Sema::IER_Error: | ||||
8582 | return StmtError(); | ||||
8583 | } | ||||
8584 | |||||
8585 | // We need to continue with the instantiation, so do so now. | ||||
8586 | StmtResult SubStmt = getDerived().TransformCompoundStmt(S->getSubStmt()); | ||||
8587 | if (SubStmt.isInvalid()) | ||||
8588 | return StmtError(); | ||||
8589 | |||||
8590 | // If we have resolved the name, just transform to the substatement. | ||||
8591 | if (!Dependent) | ||||
8592 | return SubStmt; | ||||
8593 | |||||
8594 | // The name is still dependent, so build a dependent expression again. | ||||
8595 | return getDerived().RebuildMSDependentExistsStmt(S->getKeywordLoc(), | ||||
8596 | S->isIfExists(), | ||||
8597 | QualifierLoc, | ||||
8598 | NameInfo, | ||||
8599 | SubStmt.get()); | ||||
8600 | } | ||||
8601 | |||||
8602 | template<typename Derived> | ||||
8603 | ExprResult | ||||
8604 | TreeTransform<Derived>::TransformMSPropertyRefExpr(MSPropertyRefExpr *E) { | ||||
8605 | NestedNameSpecifierLoc QualifierLoc; | ||||
8606 | if (E->getQualifierLoc()) { | ||||
8607 | QualifierLoc | ||||
8608 | = getDerived().TransformNestedNameSpecifierLoc(E->getQualifierLoc()); | ||||
8609 | if (!QualifierLoc) | ||||
8610 | return ExprError(); | ||||
8611 | } | ||||
8612 | |||||
8613 | MSPropertyDecl *PD = cast_or_null<MSPropertyDecl>( | ||||
8614 | getDerived().TransformDecl(E->getMemberLoc(), E->getPropertyDecl())); | ||||
8615 | if (!PD) | ||||
8616 | return ExprError(); | ||||
8617 | |||||
8618 | ExprResult Base = getDerived().TransformExpr(E->getBaseExpr()); | ||||
8619 | if (Base.isInvalid()) | ||||
8620 | return ExprError(); | ||||
8621 | |||||
8622 | return new (SemaRef.getASTContext()) | ||||
8623 | MSPropertyRefExpr(Base.get(), PD, E->isArrow(), | ||||
8624 | SemaRef.getASTContext().PseudoObjectTy, VK_LValue, | ||||
8625 | QualifierLoc, E->getMemberLoc()); | ||||
8626 | } | ||||
8627 | |||||
8628 | template <typename Derived> | ||||
8629 | ExprResult TreeTransform<Derived>::TransformMSPropertySubscriptExpr( | ||||
8630 | MSPropertySubscriptExpr *E) { | ||||
8631 | auto BaseRes = getDerived().TransformExpr(E->getBase()); | ||||
8632 | if (BaseRes.isInvalid()) | ||||
8633 | return ExprError(); | ||||
8634 | auto IdxRes = getDerived().TransformExpr(E->getIdx()); | ||||
8635 | if (IdxRes.isInvalid()) | ||||
8636 | return ExprError(); | ||||
8637 | |||||
8638 | if (!getDerived().AlwaysRebuild() && | ||||
8639 | BaseRes.get() == E->getBase() && | ||||
8640 | IdxRes.get() == E->getIdx()) | ||||
8641 | return E; | ||||
8642 | |||||
8643 | return getDerived().RebuildArraySubscriptExpr( | ||||
8644 | BaseRes.get(), SourceLocation(), IdxRes.get(), E->getRBracketLoc()); | ||||
8645 | } | ||||
8646 | |||||
8647 | template <typename Derived> | ||||
8648 | StmtResult TreeTransform<Derived>::TransformSEHTryStmt(SEHTryStmt *S) { | ||||
8649 | StmtResult TryBlock = getDerived().TransformCompoundStmt(S->getTryBlock()); | ||||
8650 | if (TryBlock.isInvalid()) | ||||
8651 | return StmtError(); | ||||
8652 | |||||
8653 | StmtResult Handler = getDerived().TransformSEHHandler(S->getHandler()); | ||||
8654 | if (Handler.isInvalid()) | ||||
8655 | return StmtError(); | ||||
8656 | |||||
8657 | if (!getDerived().AlwaysRebuild() && TryBlock.get() == S->getTryBlock() && | ||||
8658 | Handler.get() == S->getHandler()) | ||||
8659 | return S; | ||||
8660 | |||||
8661 | return getDerived().RebuildSEHTryStmt(S->getIsCXXTry(), S->getTryLoc(), | ||||
8662 | TryBlock.get(), Handler.get()); | ||||
8663 | } | ||||
8664 | |||||
8665 | template <typename Derived> | ||||
8666 | StmtResult TreeTransform<Derived>::TransformSEHFinallyStmt(SEHFinallyStmt *S) { | ||||
8667 | StmtResult Block = getDerived().TransformCompoundStmt(S->getBlock()); | ||||
8668 | if (Block.isInvalid()) | ||||
8669 | return StmtError(); | ||||
8670 | |||||
8671 | return getDerived().RebuildSEHFinallyStmt(S->getFinallyLoc(), Block.get()); | ||||
8672 | } | ||||
8673 | |||||
8674 | template <typename Derived> | ||||
8675 | StmtResult TreeTransform<Derived>::TransformSEHExceptStmt(SEHExceptStmt *S) { | ||||
8676 | ExprResult FilterExpr = getDerived().TransformExpr(S->getFilterExpr()); | ||||
8677 | if (FilterExpr.isInvalid()) | ||||
8678 | return StmtError(); | ||||
8679 | |||||
8680 | StmtResult Block = getDerived().TransformCompoundStmt(S->getBlock()); | ||||
8681 | if (Block.isInvalid()) | ||||
8682 | return StmtError(); | ||||
8683 | |||||
8684 | return getDerived().RebuildSEHExceptStmt(S->getExceptLoc(), FilterExpr.get(), | ||||
8685 | Block.get()); | ||||
8686 | } | ||||
8687 | |||||
8688 | template <typename Derived> | ||||
8689 | StmtResult TreeTransform<Derived>::TransformSEHHandler(Stmt *Handler) { | ||||
8690 | if (isa<SEHFinallyStmt>(Handler)) | ||||
8691 | return getDerived().TransformSEHFinallyStmt(cast<SEHFinallyStmt>(Handler)); | ||||
8692 | else | ||||
8693 | return getDerived().TransformSEHExceptStmt(cast<SEHExceptStmt>(Handler)); | ||||
8694 | } | ||||
8695 | |||||
8696 | template<typename Derived> | ||||
8697 | StmtResult | ||||
8698 | TreeTransform<Derived>::TransformSEHLeaveStmt(SEHLeaveStmt *S) { | ||||
8699 | return S; | ||||
8700 | } | ||||
8701 | |||||
8702 | //===----------------------------------------------------------------------===// | ||||
8703 | // OpenMP directive transformation | ||||
8704 | //===----------------------------------------------------------------------===// | ||||
8705 | |||||
8706 | template <typename Derived> | ||||
8707 | StmtResult | ||||
8708 | TreeTransform<Derived>::TransformOMPCanonicalLoop(OMPCanonicalLoop *L) { | ||||
8709 | // OMPCanonicalLoops are eliminated during transformation, since they will be | ||||
8710 | // recomputed by semantic analysis of the associated OMPLoopBasedDirective | ||||
8711 | // after transformation. | ||||
8712 | return getDerived().TransformStmt(L->getLoopStmt()); | ||||
8713 | } | ||||
8714 | |||||
8715 | template <typename Derived> | ||||
8716 | StmtResult TreeTransform<Derived>::TransformOMPExecutableDirective( | ||||
8717 | OMPExecutableDirective *D) { | ||||
8718 | |||||
8719 | // Transform the clauses | ||||
8720 | llvm::SmallVector<OMPClause *, 16> TClauses; | ||||
8721 | ArrayRef<OMPClause *> Clauses = D->clauses(); | ||||
8722 | TClauses.reserve(Clauses.size()); | ||||
8723 | for (ArrayRef<OMPClause *>::iterator I = Clauses.begin(), E = Clauses.end(); | ||||
8724 | I != E; ++I) { | ||||
8725 | if (*I) { | ||||
8726 | getDerived().getSema().StartOpenMPClause((*I)->getClauseKind()); | ||||
8727 | OMPClause *Clause = getDerived().TransformOMPClause(*I); | ||||
8728 | getDerived().getSema().EndOpenMPClause(); | ||||
8729 | if (Clause) | ||||
8730 | TClauses.push_back(Clause); | ||||
8731 | } else { | ||||
8732 | TClauses.push_back(nullptr); | ||||
8733 | } | ||||
8734 | } | ||||
8735 | StmtResult AssociatedStmt; | ||||
8736 | if (D->hasAssociatedStmt() && D->getAssociatedStmt()) { | ||||
8737 | getDerived().getSema().ActOnOpenMPRegionStart(D->getDirectiveKind(), | ||||
8738 | /*CurScope=*/nullptr); | ||||
8739 | StmtResult Body; | ||||
8740 | { | ||||
8741 | Sema::CompoundScopeRAII CompoundScope(getSema()); | ||||
8742 | Stmt *CS; | ||||
8743 | if (D->getDirectiveKind() == OMPD_atomic || | ||||
8744 | D->getDirectiveKind() == OMPD_critical || | ||||
8745 | D->getDirectiveKind() == OMPD_section || | ||||
8746 | D->getDirectiveKind() == OMPD_master) | ||||
8747 | CS = D->getAssociatedStmt(); | ||||
8748 | else | ||||
8749 | CS = D->getRawStmt(); | ||||
8750 | Body = getDerived().TransformStmt(CS); | ||||
8751 | if (Body.isUsable() && isOpenMPLoopDirective(D->getDirectiveKind()) && | ||||
8752 | getSema().getLangOpts().OpenMPIRBuilder) | ||||
8753 | Body = getDerived().RebuildOMPCanonicalLoop(Body.get()); | ||||
8754 | } | ||||
8755 | AssociatedStmt = | ||||
8756 | getDerived().getSema().ActOnOpenMPRegionEnd(Body, TClauses); | ||||
8757 | if (AssociatedStmt.isInvalid()) { | ||||
8758 | return StmtError(); | ||||
8759 | } | ||||
8760 | } | ||||
8761 | if (TClauses.size() != Clauses.size()) { | ||||
8762 | return StmtError(); | ||||
8763 | } | ||||
8764 | |||||
8765 | // Transform directive name for 'omp critical' directive. | ||||
8766 | DeclarationNameInfo DirName; | ||||
8767 | if (D->getDirectiveKind() == OMPD_critical) { | ||||
8768 | DirName = cast<OMPCriticalDirective>(D)->getDirectiveName(); | ||||
8769 | DirName = getDerived().TransformDeclarationNameInfo(DirName); | ||||
8770 | } | ||||
8771 | OpenMPDirectiveKind CancelRegion = OMPD_unknown; | ||||
8772 | if (D->getDirectiveKind() == OMPD_cancellation_point) { | ||||
8773 | CancelRegion = cast<OMPCancellationPointDirective>(D)->getCancelRegion(); | ||||
8774 | } else if (D->getDirectiveKind() == OMPD_cancel) { | ||||
8775 | CancelRegion = cast<OMPCancelDirective>(D)->getCancelRegion(); | ||||
8776 | } | ||||
8777 | |||||
8778 | return getDerived().RebuildOMPExecutableDirective( | ||||
8779 | D->getDirectiveKind(), DirName, CancelRegion, TClauses, | ||||
8780 | AssociatedStmt.get(), D->getBeginLoc(), D->getEndLoc()); | ||||
8781 | } | ||||
8782 | |||||
8783 | template <typename Derived> | ||||
8784 | StmtResult | ||||
8785 | TreeTransform<Derived>::TransformOMPMetaDirective(OMPMetaDirective *D) { | ||||
8786 | // TODO: Fix This | ||||
8787 | SemaRef.Diag(D->getBeginLoc(), diag::err_omp_instantiation_not_supported) | ||||
8788 | << getOpenMPDirectiveName(D->getDirectiveKind()); | ||||
8789 | return StmtError(); | ||||
8790 | } | ||||
8791 | |||||
8792 | template <typename Derived> | ||||
8793 | StmtResult | ||||
8794 | TreeTransform<Derived>::TransformOMPParallelDirective(OMPParallelDirective *D) { | ||||
8795 | DeclarationNameInfo DirName; | ||||
8796 | getDerived().getSema().StartOpenMPDSABlock(OMPD_parallel, DirName, nullptr, | ||||
8797 | D->getBeginLoc()); | ||||
8798 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8799 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8800 | return Res; | ||||
8801 | } | ||||
8802 | |||||
8803 | template <typename Derived> | ||||
8804 | StmtResult | ||||
8805 | TreeTransform<Derived>::TransformOMPSimdDirective(OMPSimdDirective *D) { | ||||
8806 | DeclarationNameInfo DirName; | ||||
8807 | getDerived().getSema().StartOpenMPDSABlock(OMPD_simd, DirName, nullptr, | ||||
8808 | D->getBeginLoc()); | ||||
8809 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8810 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8811 | return Res; | ||||
8812 | } | ||||
8813 | |||||
8814 | template <typename Derived> | ||||
8815 | StmtResult | ||||
8816 | TreeTransform<Derived>::TransformOMPTileDirective(OMPTileDirective *D) { | ||||
8817 | DeclarationNameInfo DirName; | ||||
8818 | getDerived().getSema().StartOpenMPDSABlock(D->getDirectiveKind(), DirName, | ||||
8819 | nullptr, D->getBeginLoc()); | ||||
8820 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8821 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8822 | return Res; | ||||
8823 | } | ||||
8824 | |||||
8825 | template <typename Derived> | ||||
8826 | StmtResult | ||||
8827 | TreeTransform<Derived>::TransformOMPUnrollDirective(OMPUnrollDirective *D) { | ||||
8828 | DeclarationNameInfo DirName; | ||||
8829 | getDerived().getSema().StartOpenMPDSABlock(D->getDirectiveKind(), DirName, | ||||
8830 | nullptr, D->getBeginLoc()); | ||||
8831 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8832 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8833 | return Res; | ||||
8834 | } | ||||
8835 | |||||
8836 | template <typename Derived> | ||||
8837 | StmtResult | ||||
8838 | TreeTransform<Derived>::TransformOMPForDirective(OMPForDirective *D) { | ||||
8839 | DeclarationNameInfo DirName; | ||||
8840 | getDerived().getSema().StartOpenMPDSABlock(OMPD_for, DirName, nullptr, | ||||
8841 | D->getBeginLoc()); | ||||
8842 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8843 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8844 | return Res; | ||||
8845 | } | ||||
8846 | |||||
8847 | template <typename Derived> | ||||
8848 | StmtResult | ||||
8849 | TreeTransform<Derived>::TransformOMPForSimdDirective(OMPForSimdDirective *D) { | ||||
8850 | DeclarationNameInfo DirName; | ||||
8851 | getDerived().getSema().StartOpenMPDSABlock(OMPD_for_simd, DirName, nullptr, | ||||
8852 | D->getBeginLoc()); | ||||
8853 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8854 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8855 | return Res; | ||||
8856 | } | ||||
8857 | |||||
8858 | template <typename Derived> | ||||
8859 | StmtResult | ||||
8860 | TreeTransform<Derived>::TransformOMPSectionsDirective(OMPSectionsDirective *D) { | ||||
8861 | DeclarationNameInfo DirName; | ||||
8862 | getDerived().getSema().StartOpenMPDSABlock(OMPD_sections, DirName, nullptr, | ||||
8863 | D->getBeginLoc()); | ||||
8864 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8865 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8866 | return Res; | ||||
8867 | } | ||||
8868 | |||||
8869 | template <typename Derived> | ||||
8870 | StmtResult | ||||
8871 | TreeTransform<Derived>::TransformOMPSectionDirective(OMPSectionDirective *D) { | ||||
8872 | DeclarationNameInfo DirName; | ||||
8873 | getDerived().getSema().StartOpenMPDSABlock(OMPD_section, DirName, nullptr, | ||||
8874 | D->getBeginLoc()); | ||||
8875 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8876 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8877 | return Res; | ||||
8878 | } | ||||
8879 | |||||
8880 | template <typename Derived> | ||||
8881 | StmtResult | ||||
8882 | TreeTransform<Derived>::TransformOMPSingleDirective(OMPSingleDirective *D) { | ||||
8883 | DeclarationNameInfo DirName; | ||||
8884 | getDerived().getSema().StartOpenMPDSABlock(OMPD_single, DirName, nullptr, | ||||
8885 | D->getBeginLoc()); | ||||
8886 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8887 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8888 | return Res; | ||||
8889 | } | ||||
8890 | |||||
8891 | template <typename Derived> | ||||
8892 | StmtResult | ||||
8893 | TreeTransform<Derived>::TransformOMPMasterDirective(OMPMasterDirective *D) { | ||||
8894 | DeclarationNameInfo DirName; | ||||
8895 | getDerived().getSema().StartOpenMPDSABlock(OMPD_master, DirName, nullptr, | ||||
8896 | D->getBeginLoc()); | ||||
8897 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8898 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8899 | return Res; | ||||
8900 | } | ||||
8901 | |||||
8902 | template <typename Derived> | ||||
8903 | StmtResult | ||||
8904 | TreeTransform<Derived>::TransformOMPCriticalDirective(OMPCriticalDirective *D) { | ||||
8905 | getDerived().getSema().StartOpenMPDSABlock( | ||||
8906 | OMPD_critical, D->getDirectiveName(), nullptr, D->getBeginLoc()); | ||||
8907 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8908 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8909 | return Res; | ||||
8910 | } | ||||
8911 | |||||
8912 | template <typename Derived> | ||||
8913 | StmtResult TreeTransform<Derived>::TransformOMPParallelForDirective( | ||||
8914 | OMPParallelForDirective *D) { | ||||
8915 | DeclarationNameInfo DirName; | ||||
8916 | getDerived().getSema().StartOpenMPDSABlock(OMPD_parallel_for, DirName, | ||||
8917 | nullptr, D->getBeginLoc()); | ||||
8918 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8919 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8920 | return Res; | ||||
8921 | } | ||||
8922 | |||||
8923 | template <typename Derived> | ||||
8924 | StmtResult TreeTransform<Derived>::TransformOMPParallelForSimdDirective( | ||||
8925 | OMPParallelForSimdDirective *D) { | ||||
8926 | DeclarationNameInfo DirName; | ||||
8927 | getDerived().getSema().StartOpenMPDSABlock(OMPD_parallel_for_simd, DirName, | ||||
8928 | nullptr, D->getBeginLoc()); | ||||
8929 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8930 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8931 | return Res; | ||||
8932 | } | ||||
8933 | |||||
8934 | template <typename Derived> | ||||
8935 | StmtResult TreeTransform<Derived>::TransformOMPParallelMasterDirective( | ||||
8936 | OMPParallelMasterDirective *D) { | ||||
8937 | DeclarationNameInfo DirName; | ||||
8938 | getDerived().getSema().StartOpenMPDSABlock(OMPD_parallel_master, DirName, | ||||
8939 | nullptr, D->getBeginLoc()); | ||||
8940 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8941 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8942 | return Res; | ||||
8943 | } | ||||
8944 | |||||
8945 | template <typename Derived> | ||||
8946 | StmtResult TreeTransform<Derived>::TransformOMPParallelMaskedDirective( | ||||
8947 | OMPParallelMaskedDirective *D) { | ||||
8948 | DeclarationNameInfo DirName; | ||||
8949 | getDerived().getSema().StartOpenMPDSABlock(OMPD_parallel_masked, DirName, | ||||
8950 | nullptr, D->getBeginLoc()); | ||||
8951 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8952 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8953 | return Res; | ||||
8954 | } | ||||
8955 | |||||
8956 | template <typename Derived> | ||||
8957 | StmtResult TreeTransform<Derived>::TransformOMPParallelSectionsDirective( | ||||
8958 | OMPParallelSectionsDirective *D) { | ||||
8959 | DeclarationNameInfo DirName; | ||||
8960 | getDerived().getSema().StartOpenMPDSABlock(OMPD_parallel_sections, DirName, | ||||
8961 | nullptr, D->getBeginLoc()); | ||||
8962 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8963 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8964 | return Res; | ||||
8965 | } | ||||
8966 | |||||
8967 | template <typename Derived> | ||||
8968 | StmtResult | ||||
8969 | TreeTransform<Derived>::TransformOMPTaskDirective(OMPTaskDirective *D) { | ||||
8970 | DeclarationNameInfo DirName; | ||||
8971 | getDerived().getSema().StartOpenMPDSABlock(OMPD_task, DirName, nullptr, | ||||
8972 | D->getBeginLoc()); | ||||
8973 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8974 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8975 | return Res; | ||||
8976 | } | ||||
8977 | |||||
8978 | template <typename Derived> | ||||
8979 | StmtResult TreeTransform<Derived>::TransformOMPTaskyieldDirective( | ||||
8980 | OMPTaskyieldDirective *D) { | ||||
8981 | DeclarationNameInfo DirName; | ||||
8982 | getDerived().getSema().StartOpenMPDSABlock(OMPD_taskyield, DirName, nullptr, | ||||
8983 | D->getBeginLoc()); | ||||
8984 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8985 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8986 | return Res; | ||||
8987 | } | ||||
8988 | |||||
8989 | template <typename Derived> | ||||
8990 | StmtResult | ||||
8991 | TreeTransform<Derived>::TransformOMPBarrierDirective(OMPBarrierDirective *D) { | ||||
8992 | DeclarationNameInfo DirName; | ||||
8993 | getDerived().getSema().StartOpenMPDSABlock(OMPD_barrier, DirName, nullptr, | ||||
8994 | D->getBeginLoc()); | ||||
8995 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
8996 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
8997 | return Res; | ||||
8998 | } | ||||
8999 | |||||
9000 | template <typename Derived> | ||||
9001 | StmtResult | ||||
9002 | TreeTransform<Derived>::TransformOMPTaskwaitDirective(OMPTaskwaitDirective *D) { | ||||
9003 | DeclarationNameInfo DirName; | ||||
9004 | getDerived().getSema().StartOpenMPDSABlock(OMPD_taskwait, DirName, nullptr, | ||||
9005 | D->getBeginLoc()); | ||||
9006 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9007 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9008 | return Res; | ||||
9009 | } | ||||
9010 | |||||
9011 | template <typename Derived> | ||||
9012 | StmtResult | ||||
9013 | TreeTransform<Derived>::TransformOMPErrorDirective(OMPErrorDirective *D) { | ||||
9014 | DeclarationNameInfo DirName; | ||||
9015 | getDerived().getSema().StartOpenMPDSABlock(OMPD_error, DirName, nullptr, | ||||
9016 | D->getBeginLoc()); | ||||
9017 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9018 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9019 | return Res; | ||||
9020 | } | ||||
9021 | |||||
9022 | template <typename Derived> | ||||
9023 | StmtResult TreeTransform<Derived>::TransformOMPTaskgroupDirective( | ||||
9024 | OMPTaskgroupDirective *D) { | ||||
9025 | DeclarationNameInfo DirName; | ||||
9026 | getDerived().getSema().StartOpenMPDSABlock(OMPD_taskgroup, DirName, nullptr, | ||||
9027 | D->getBeginLoc()); | ||||
9028 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9029 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9030 | return Res; | ||||
9031 | } | ||||
9032 | |||||
9033 | template <typename Derived> | ||||
9034 | StmtResult | ||||
9035 | TreeTransform<Derived>::TransformOMPFlushDirective(OMPFlushDirective *D) { | ||||
9036 | DeclarationNameInfo DirName; | ||||
9037 | getDerived().getSema().StartOpenMPDSABlock(OMPD_flush, DirName, nullptr, | ||||
9038 | D->getBeginLoc()); | ||||
9039 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9040 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9041 | return Res; | ||||
9042 | } | ||||
9043 | |||||
9044 | template <typename Derived> | ||||
9045 | StmtResult | ||||
9046 | TreeTransform<Derived>::TransformOMPDepobjDirective(OMPDepobjDirective *D) { | ||||
9047 | DeclarationNameInfo DirName; | ||||
9048 | getDerived().getSema().StartOpenMPDSABlock(OMPD_depobj, DirName, nullptr, | ||||
9049 | D->getBeginLoc()); | ||||
9050 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9051 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9052 | return Res; | ||||
9053 | } | ||||
9054 | |||||
9055 | template <typename Derived> | ||||
9056 | StmtResult | ||||
9057 | TreeTransform<Derived>::TransformOMPScanDirective(OMPScanDirective *D) { | ||||
9058 | DeclarationNameInfo DirName; | ||||
9059 | getDerived().getSema().StartOpenMPDSABlock(OMPD_scan, DirName, nullptr, | ||||
9060 | D->getBeginLoc()); | ||||
9061 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9062 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9063 | return Res; | ||||
9064 | } | ||||
9065 | |||||
9066 | template <typename Derived> | ||||
9067 | StmtResult | ||||
9068 | TreeTransform<Derived>::TransformOMPOrderedDirective(OMPOrderedDirective *D) { | ||||
9069 | DeclarationNameInfo DirName; | ||||
9070 | getDerived().getSema().StartOpenMPDSABlock(OMPD_ordered, DirName, nullptr, | ||||
9071 | D->getBeginLoc()); | ||||
9072 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9073 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9074 | return Res; | ||||
9075 | } | ||||
9076 | |||||
9077 | template <typename Derived> | ||||
9078 | StmtResult | ||||
9079 | TreeTransform<Derived>::TransformOMPAtomicDirective(OMPAtomicDirective *D) { | ||||
9080 | DeclarationNameInfo DirName; | ||||
9081 | getDerived().getSema().StartOpenMPDSABlock(OMPD_atomic, DirName, nullptr, | ||||
9082 | D->getBeginLoc()); | ||||
9083 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9084 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9085 | return Res; | ||||
9086 | } | ||||
9087 | |||||
9088 | template <typename Derived> | ||||
9089 | StmtResult | ||||
9090 | TreeTransform<Derived>::TransformOMPTargetDirective(OMPTargetDirective *D) { | ||||
9091 | DeclarationNameInfo DirName; | ||||
9092 | getDerived().getSema().StartOpenMPDSABlock(OMPD_target, DirName, nullptr, | ||||
9093 | D->getBeginLoc()); | ||||
9094 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9095 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9096 | return Res; | ||||
9097 | } | ||||
9098 | |||||
9099 | template <typename Derived> | ||||
9100 | StmtResult TreeTransform<Derived>::TransformOMPTargetDataDirective( | ||||
9101 | OMPTargetDataDirective *D) { | ||||
9102 | DeclarationNameInfo DirName; | ||||
9103 | getDerived().getSema().StartOpenMPDSABlock(OMPD_target_data, DirName, nullptr, | ||||
9104 | D->getBeginLoc()); | ||||
9105 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9106 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9107 | return Res; | ||||
9108 | } | ||||
9109 | |||||
9110 | template <typename Derived> | ||||
9111 | StmtResult TreeTransform<Derived>::TransformOMPTargetEnterDataDirective( | ||||
9112 | OMPTargetEnterDataDirective *D) { | ||||
9113 | DeclarationNameInfo DirName; | ||||
9114 | getDerived().getSema().StartOpenMPDSABlock(OMPD_target_enter_data, DirName, | ||||
9115 | nullptr, D->getBeginLoc()); | ||||
9116 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9117 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9118 | return Res; | ||||
9119 | } | ||||
9120 | |||||
9121 | template <typename Derived> | ||||
9122 | StmtResult TreeTransform<Derived>::TransformOMPTargetExitDataDirective( | ||||
9123 | OMPTargetExitDataDirective *D) { | ||||
9124 | DeclarationNameInfo DirName; | ||||
9125 | getDerived().getSema().StartOpenMPDSABlock(OMPD_target_exit_data, DirName, | ||||
9126 | nullptr, D->getBeginLoc()); | ||||
9127 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9128 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9129 | return Res; | ||||
9130 | } | ||||
9131 | |||||
9132 | template <typename Derived> | ||||
9133 | StmtResult TreeTransform<Derived>::TransformOMPTargetParallelDirective( | ||||
9134 | OMPTargetParallelDirective *D) { | ||||
9135 | DeclarationNameInfo DirName; | ||||
9136 | getDerived().getSema().StartOpenMPDSABlock(OMPD_target_parallel, DirName, | ||||
9137 | nullptr, D->getBeginLoc()); | ||||
9138 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9139 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9140 | return Res; | ||||
9141 | } | ||||
9142 | |||||
9143 | template <typename Derived> | ||||
9144 | StmtResult TreeTransform<Derived>::TransformOMPTargetParallelForDirective( | ||||
9145 | OMPTargetParallelForDirective *D) { | ||||
9146 | DeclarationNameInfo DirName; | ||||
9147 | getDerived().getSema().StartOpenMPDSABlock(OMPD_target_parallel_for, DirName, | ||||
9148 | nullptr, D->getBeginLoc()); | ||||
9149 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9150 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9151 | return Res; | ||||
9152 | } | ||||
9153 | |||||
9154 | template <typename Derived> | ||||
9155 | StmtResult TreeTransform<Derived>::TransformOMPTargetUpdateDirective( | ||||
9156 | OMPTargetUpdateDirective *D) { | ||||
9157 | DeclarationNameInfo DirName; | ||||
9158 | getDerived().getSema().StartOpenMPDSABlock(OMPD_target_update, DirName, | ||||
9159 | nullptr, D->getBeginLoc()); | ||||
9160 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9161 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9162 | return Res; | ||||
9163 | } | ||||
9164 | |||||
9165 | template <typename Derived> | ||||
9166 | StmtResult | ||||
9167 | TreeTransform<Derived>::TransformOMPTeamsDirective(OMPTeamsDirective *D) { | ||||
9168 | DeclarationNameInfo DirName; | ||||
9169 | getDerived().getSema().StartOpenMPDSABlock(OMPD_teams, DirName, nullptr, | ||||
9170 | D->getBeginLoc()); | ||||
9171 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9172 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9173 | return Res; | ||||
9174 | } | ||||
9175 | |||||
9176 | template <typename Derived> | ||||
9177 | StmtResult TreeTransform<Derived>::TransformOMPCancellationPointDirective( | ||||
9178 | OMPCancellationPointDirective *D) { | ||||
9179 | DeclarationNameInfo DirName; | ||||
9180 | getDerived().getSema().StartOpenMPDSABlock(OMPD_cancellation_point, DirName, | ||||
9181 | nullptr, D->getBeginLoc()); | ||||
9182 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9183 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9184 | return Res; | ||||
9185 | } | ||||
9186 | |||||
9187 | template <typename Derived> | ||||
9188 | StmtResult | ||||
9189 | TreeTransform<Derived>::TransformOMPCancelDirective(OMPCancelDirective *D) { | ||||
9190 | DeclarationNameInfo DirName; | ||||
9191 | getDerived().getSema().StartOpenMPDSABlock(OMPD_cancel, DirName, nullptr, | ||||
9192 | D->getBeginLoc()); | ||||
9193 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9194 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9195 | return Res; | ||||
9196 | } | ||||
9197 | |||||
9198 | template <typename Derived> | ||||
9199 | StmtResult | ||||
9200 | TreeTransform<Derived>::TransformOMPTaskLoopDirective(OMPTaskLoopDirective *D) { | ||||
9201 | DeclarationNameInfo DirName; | ||||
9202 | getDerived().getSema().StartOpenMPDSABlock(OMPD_taskloop, DirName, nullptr, | ||||
9203 | D->getBeginLoc()); | ||||
9204 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9205 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9206 | return Res; | ||||
9207 | } | ||||
9208 | |||||
9209 | template <typename Derived> | ||||
9210 | StmtResult TreeTransform<Derived>::TransformOMPTaskLoopSimdDirective( | ||||
9211 | OMPTaskLoopSimdDirective *D) { | ||||
9212 | DeclarationNameInfo DirName; | ||||
9213 | getDerived().getSema().StartOpenMPDSABlock(OMPD_taskloop_simd, DirName, | ||||
9214 | nullptr, D->getBeginLoc()); | ||||
9215 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9216 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9217 | return Res; | ||||
9218 | } | ||||
9219 | |||||
9220 | template <typename Derived> | ||||
9221 | StmtResult TreeTransform<Derived>::TransformOMPMasterTaskLoopDirective( | ||||
9222 | OMPMasterTaskLoopDirective *D) { | ||||
9223 | DeclarationNameInfo DirName; | ||||
9224 | getDerived().getSema().StartOpenMPDSABlock(OMPD_master_taskloop, DirName, | ||||
9225 | nullptr, D->getBeginLoc()); | ||||
9226 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9227 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9228 | return Res; | ||||
9229 | } | ||||
9230 | |||||
9231 | template <typename Derived> | ||||
9232 | StmtResult TreeTransform<Derived>::TransformOMPMaskedTaskLoopDirective( | ||||
9233 | OMPMaskedTaskLoopDirective *D) { | ||||
9234 | DeclarationNameInfo DirName; | ||||
9235 | getDerived().getSema().StartOpenMPDSABlock(OMPD_masked_taskloop, DirName, | ||||
9236 | nullptr, D->getBeginLoc()); | ||||
9237 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9238 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9239 | return Res; | ||||
9240 | } | ||||
9241 | |||||
9242 | template <typename Derived> | ||||
9243 | StmtResult TreeTransform<Derived>::TransformOMPMasterTaskLoopSimdDirective( | ||||
9244 | OMPMasterTaskLoopSimdDirective *D) { | ||||
9245 | DeclarationNameInfo DirName; | ||||
9246 | getDerived().getSema().StartOpenMPDSABlock(OMPD_master_taskloop_simd, DirName, | ||||
9247 | nullptr, D->getBeginLoc()); | ||||
9248 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9249 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9250 | return Res; | ||||
9251 | } | ||||
9252 | |||||
9253 | template <typename Derived> | ||||
9254 | StmtResult TreeTransform<Derived>::TransformOMPMaskedTaskLoopSimdDirective( | ||||
9255 | OMPMaskedTaskLoopSimdDirective *D) { | ||||
9256 | DeclarationNameInfo DirName; | ||||
9257 | getDerived().getSema().StartOpenMPDSABlock(OMPD_masked_taskloop_simd, DirName, | ||||
9258 | nullptr, D->getBeginLoc()); | ||||
9259 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9260 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9261 | return Res; | ||||
9262 | } | ||||
9263 | |||||
9264 | template <typename Derived> | ||||
9265 | StmtResult TreeTransform<Derived>::TransformOMPParallelMasterTaskLoopDirective( | ||||
9266 | OMPParallelMasterTaskLoopDirective *D) { | ||||
9267 | DeclarationNameInfo DirName; | ||||
9268 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9269 | OMPD_parallel_master_taskloop, DirName, nullptr, D->getBeginLoc()); | ||||
9270 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9271 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9272 | return Res; | ||||
9273 | } | ||||
9274 | |||||
9275 | template <typename Derived> | ||||
9276 | StmtResult TreeTransform<Derived>::TransformOMPParallelMaskedTaskLoopDirective( | ||||
9277 | OMPParallelMaskedTaskLoopDirective *D) { | ||||
9278 | DeclarationNameInfo DirName; | ||||
9279 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9280 | OMPD_parallel_masked_taskloop, DirName, nullptr, D->getBeginLoc()); | ||||
9281 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9282 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9283 | return Res; | ||||
9284 | } | ||||
9285 | |||||
9286 | template <typename Derived> | ||||
9287 | StmtResult | ||||
9288 | TreeTransform<Derived>::TransformOMPParallelMasterTaskLoopSimdDirective( | ||||
9289 | OMPParallelMasterTaskLoopSimdDirective *D) { | ||||
9290 | DeclarationNameInfo DirName; | ||||
9291 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9292 | OMPD_parallel_master_taskloop_simd, DirName, nullptr, D->getBeginLoc()); | ||||
9293 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9294 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9295 | return Res; | ||||
9296 | } | ||||
9297 | |||||
9298 | template <typename Derived> | ||||
9299 | StmtResult | ||||
9300 | TreeTransform<Derived>::TransformOMPParallelMaskedTaskLoopSimdDirective( | ||||
9301 | OMPParallelMaskedTaskLoopSimdDirective *D) { | ||||
9302 | DeclarationNameInfo DirName; | ||||
9303 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9304 | OMPD_parallel_masked_taskloop_simd, DirName, nullptr, D->getBeginLoc()); | ||||
9305 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9306 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9307 | return Res; | ||||
9308 | } | ||||
9309 | |||||
9310 | template <typename Derived> | ||||
9311 | StmtResult TreeTransform<Derived>::TransformOMPDistributeDirective( | ||||
9312 | OMPDistributeDirective *D) { | ||||
9313 | DeclarationNameInfo DirName; | ||||
9314 | getDerived().getSema().StartOpenMPDSABlock(OMPD_distribute, DirName, nullptr, | ||||
9315 | D->getBeginLoc()); | ||||
9316 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9317 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9318 | return Res; | ||||
9319 | } | ||||
9320 | |||||
9321 | template <typename Derived> | ||||
9322 | StmtResult TreeTransform<Derived>::TransformOMPDistributeParallelForDirective( | ||||
9323 | OMPDistributeParallelForDirective *D) { | ||||
9324 | DeclarationNameInfo DirName; | ||||
9325 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9326 | OMPD_distribute_parallel_for, DirName, nullptr, D->getBeginLoc()); | ||||
9327 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9328 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9329 | return Res; | ||||
9330 | } | ||||
9331 | |||||
9332 | template <typename Derived> | ||||
9333 | StmtResult | ||||
9334 | TreeTransform<Derived>::TransformOMPDistributeParallelForSimdDirective( | ||||
9335 | OMPDistributeParallelForSimdDirective *D) { | ||||
9336 | DeclarationNameInfo DirName; | ||||
9337 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9338 | OMPD_distribute_parallel_for_simd, DirName, nullptr, D->getBeginLoc()); | ||||
9339 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9340 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9341 | return Res; | ||||
9342 | } | ||||
9343 | |||||
9344 | template <typename Derived> | ||||
9345 | StmtResult TreeTransform<Derived>::TransformOMPDistributeSimdDirective( | ||||
9346 | OMPDistributeSimdDirective *D) { | ||||
9347 | DeclarationNameInfo DirName; | ||||
9348 | getDerived().getSema().StartOpenMPDSABlock(OMPD_distribute_simd, DirName, | ||||
9349 | nullptr, D->getBeginLoc()); | ||||
9350 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9351 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9352 | return Res; | ||||
9353 | } | ||||
9354 | |||||
9355 | template <typename Derived> | ||||
9356 | StmtResult TreeTransform<Derived>::TransformOMPTargetParallelForSimdDirective( | ||||
9357 | OMPTargetParallelForSimdDirective *D) { | ||||
9358 | DeclarationNameInfo DirName; | ||||
9359 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9360 | OMPD_target_parallel_for_simd, DirName, nullptr, D->getBeginLoc()); | ||||
9361 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9362 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9363 | return Res; | ||||
9364 | } | ||||
9365 | |||||
9366 | template <typename Derived> | ||||
9367 | StmtResult TreeTransform<Derived>::TransformOMPTargetSimdDirective( | ||||
9368 | OMPTargetSimdDirective *D) { | ||||
9369 | DeclarationNameInfo DirName; | ||||
9370 | getDerived().getSema().StartOpenMPDSABlock(OMPD_target_simd, DirName, nullptr, | ||||
9371 | D->getBeginLoc()); | ||||
9372 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9373 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9374 | return Res; | ||||
9375 | } | ||||
9376 | |||||
9377 | template <typename Derived> | ||||
9378 | StmtResult TreeTransform<Derived>::TransformOMPTeamsDistributeDirective( | ||||
9379 | OMPTeamsDistributeDirective *D) { | ||||
9380 | DeclarationNameInfo DirName; | ||||
9381 | getDerived().getSema().StartOpenMPDSABlock(OMPD_teams_distribute, DirName, | ||||
9382 | nullptr, D->getBeginLoc()); | ||||
9383 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9384 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9385 | return Res; | ||||
9386 | } | ||||
9387 | |||||
9388 | template <typename Derived> | ||||
9389 | StmtResult TreeTransform<Derived>::TransformOMPTeamsDistributeSimdDirective( | ||||
9390 | OMPTeamsDistributeSimdDirective *D) { | ||||
9391 | DeclarationNameInfo DirName; | ||||
9392 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9393 | OMPD_teams_distribute_simd, DirName, nullptr, D->getBeginLoc()); | ||||
9394 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9395 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9396 | return Res; | ||||
9397 | } | ||||
9398 | |||||
9399 | template <typename Derived> | ||||
9400 | StmtResult TreeTransform<Derived>::TransformOMPTeamsDistributeParallelForSimdDirective( | ||||
9401 | OMPTeamsDistributeParallelForSimdDirective *D) { | ||||
9402 | DeclarationNameInfo DirName; | ||||
9403 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9404 | OMPD_teams_distribute_parallel_for_simd, DirName, nullptr, | ||||
9405 | D->getBeginLoc()); | ||||
9406 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9407 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9408 | return Res; | ||||
9409 | } | ||||
9410 | |||||
9411 | template <typename Derived> | ||||
9412 | StmtResult TreeTransform<Derived>::TransformOMPTeamsDistributeParallelForDirective( | ||||
9413 | OMPTeamsDistributeParallelForDirective *D) { | ||||
9414 | DeclarationNameInfo DirName; | ||||
9415 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9416 | OMPD_teams_distribute_parallel_for, DirName, nullptr, D->getBeginLoc()); | ||||
9417 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9418 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9419 | return Res; | ||||
9420 | } | ||||
9421 | |||||
9422 | template <typename Derived> | ||||
9423 | StmtResult TreeTransform<Derived>::TransformOMPTargetTeamsDirective( | ||||
9424 | OMPTargetTeamsDirective *D) { | ||||
9425 | DeclarationNameInfo DirName; | ||||
9426 | getDerived().getSema().StartOpenMPDSABlock(OMPD_target_teams, DirName, | ||||
9427 | nullptr, D->getBeginLoc()); | ||||
9428 | auto Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9429 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9430 | return Res; | ||||
9431 | } | ||||
9432 | |||||
9433 | template <typename Derived> | ||||
9434 | StmtResult TreeTransform<Derived>::TransformOMPTargetTeamsDistributeDirective( | ||||
9435 | OMPTargetTeamsDistributeDirective *D) { | ||||
9436 | DeclarationNameInfo DirName; | ||||
9437 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9438 | OMPD_target_teams_distribute, DirName, nullptr, D->getBeginLoc()); | ||||
9439 | auto Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9440 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9441 | return Res; | ||||
9442 | } | ||||
9443 | |||||
9444 | template <typename Derived> | ||||
9445 | StmtResult | ||||
9446 | TreeTransform<Derived>::TransformOMPTargetTeamsDistributeParallelForDirective( | ||||
9447 | OMPTargetTeamsDistributeParallelForDirective *D) { | ||||
9448 | DeclarationNameInfo DirName; | ||||
9449 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9450 | OMPD_target_teams_distribute_parallel_for, DirName, nullptr, | ||||
9451 | D->getBeginLoc()); | ||||
9452 | auto Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9453 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9454 | return Res; | ||||
9455 | } | ||||
9456 | |||||
9457 | template <typename Derived> | ||||
9458 | StmtResult TreeTransform<Derived>:: | ||||
9459 | TransformOMPTargetTeamsDistributeParallelForSimdDirective( | ||||
9460 | OMPTargetTeamsDistributeParallelForSimdDirective *D) { | ||||
9461 | DeclarationNameInfo DirName; | ||||
9462 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9463 | OMPD_target_teams_distribute_parallel_for_simd, DirName, nullptr, | ||||
9464 | D->getBeginLoc()); | ||||
9465 | auto Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9466 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9467 | return Res; | ||||
9468 | } | ||||
9469 | |||||
9470 | template <typename Derived> | ||||
9471 | StmtResult | ||||
9472 | TreeTransform<Derived>::TransformOMPTargetTeamsDistributeSimdDirective( | ||||
9473 | OMPTargetTeamsDistributeSimdDirective *D) { | ||||
9474 | DeclarationNameInfo DirName; | ||||
9475 | getDerived().getSema().StartOpenMPDSABlock( | ||||
9476 | OMPD_target_teams_distribute_simd, DirName, nullptr, D->getBeginLoc()); | ||||
9477 | auto Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9478 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9479 | return Res; | ||||
9480 | } | ||||
9481 | |||||
9482 | template <typename Derived> | ||||
9483 | StmtResult | ||||
9484 | TreeTransform<Derived>::TransformOMPInteropDirective(OMPInteropDirective *D) { | ||||
9485 | DeclarationNameInfo DirName; | ||||
9486 | getDerived().getSema().StartOpenMPDSABlock(OMPD_interop, DirName, nullptr, | ||||
9487 | D->getBeginLoc()); | ||||
9488 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9489 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9490 | return Res; | ||||
9491 | } | ||||
9492 | |||||
9493 | template <typename Derived> | ||||
9494 | StmtResult | ||||
9495 | TreeTransform<Derived>::TransformOMPDispatchDirective(OMPDispatchDirective *D) { | ||||
9496 | DeclarationNameInfo DirName; | ||||
9497 | getDerived().getSema().StartOpenMPDSABlock(OMPD_dispatch, DirName, nullptr, | ||||
9498 | D->getBeginLoc()); | ||||
9499 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9500 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9501 | return Res; | ||||
9502 | } | ||||
9503 | |||||
9504 | template <typename Derived> | ||||
9505 | StmtResult | ||||
9506 | TreeTransform<Derived>::TransformOMPMaskedDirective(OMPMaskedDirective *D) { | ||||
9507 | DeclarationNameInfo DirName; | ||||
9508 | getDerived().getSema().StartOpenMPDSABlock(OMPD_masked, DirName, nullptr, | ||||
9509 | D->getBeginLoc()); | ||||
9510 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9511 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9512 | return Res; | ||||
9513 | } | ||||
9514 | |||||
9515 | template <typename Derived> | ||||
9516 | StmtResult TreeTransform<Derived>::TransformOMPGenericLoopDirective( | ||||
9517 | OMPGenericLoopDirective *D) { | ||||
9518 | DeclarationNameInfo DirName; | ||||
9519 | getDerived().getSema().StartOpenMPDSABlock(OMPD_loop, DirName, nullptr, | ||||
9520 | D->getBeginLoc()); | ||||
9521 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9522 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9523 | return Res; | ||||
9524 | } | ||||
9525 | |||||
9526 | template <typename Derived> | ||||
9527 | StmtResult TreeTransform<Derived>::TransformOMPTeamsGenericLoopDirective( | ||||
9528 | OMPTeamsGenericLoopDirective *D) { | ||||
9529 | DeclarationNameInfo DirName; | ||||
9530 | getDerived().getSema().StartOpenMPDSABlock(OMPD_teams_loop, DirName, nullptr, | ||||
9531 | D->getBeginLoc()); | ||||
9532 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9533 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9534 | return Res; | ||||
9535 | } | ||||
9536 | |||||
9537 | template <typename Derived> | ||||
9538 | StmtResult TreeTransform<Derived>::TransformOMPTargetTeamsGenericLoopDirective( | ||||
9539 | OMPTargetTeamsGenericLoopDirective *D) { | ||||
9540 | DeclarationNameInfo DirName; | ||||
9541 | getDerived().getSema().StartOpenMPDSABlock(OMPD_target_teams_loop, DirName, | ||||
9542 | nullptr, D->getBeginLoc()); | ||||
9543 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9544 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9545 | return Res; | ||||
9546 | } | ||||
9547 | |||||
9548 | template <typename Derived> | ||||
9549 | StmtResult TreeTransform<Derived>::TransformOMPParallelGenericLoopDirective( | ||||
9550 | OMPParallelGenericLoopDirective *D) { | ||||
9551 | DeclarationNameInfo DirName; | ||||
9552 | getDerived().getSema().StartOpenMPDSABlock(OMPD_parallel_loop, DirName, | ||||
9553 | nullptr, D->getBeginLoc()); | ||||
9554 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9555 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9556 | return Res; | ||||
9557 | } | ||||
9558 | |||||
9559 | template <typename Derived> | ||||
9560 | StmtResult | ||||
9561 | TreeTransform<Derived>::TransformOMPTargetParallelGenericLoopDirective( | ||||
9562 | OMPTargetParallelGenericLoopDirective *D) { | ||||
9563 | DeclarationNameInfo DirName; | ||||
9564 | getDerived().getSema().StartOpenMPDSABlock(OMPD_target_parallel_loop, DirName, | ||||
9565 | nullptr, D->getBeginLoc()); | ||||
9566 | StmtResult Res = getDerived().TransformOMPExecutableDirective(D); | ||||
9567 | getDerived().getSema().EndOpenMPDSABlock(Res.get()); | ||||
9568 | return Res; | ||||
9569 | } | ||||
9570 | |||||
9571 | //===----------------------------------------------------------------------===// | ||||
9572 | // OpenMP clause transformation | ||||
9573 | //===----------------------------------------------------------------------===// | ||||
9574 | template <typename Derived> | ||||
9575 | OMPClause *TreeTransform<Derived>::TransformOMPIfClause(OMPIfClause *C) { | ||||
9576 | ExprResult Cond = getDerived().TransformExpr(C->getCondition()); | ||||
9577 | if (Cond.isInvalid()) | ||||
9578 | return nullptr; | ||||
9579 | return getDerived().RebuildOMPIfClause( | ||||
9580 | C->getNameModifier(), Cond.get(), C->getBeginLoc(), C->getLParenLoc(), | ||||
9581 | C->getNameModifierLoc(), C->getColonLoc(), C->getEndLoc()); | ||||
9582 | } | ||||
9583 | |||||
9584 | template <typename Derived> | ||||
9585 | OMPClause *TreeTransform<Derived>::TransformOMPFinalClause(OMPFinalClause *C) { | ||||
9586 | ExprResult Cond = getDerived().TransformExpr(C->getCondition()); | ||||
9587 | if (Cond.isInvalid()) | ||||
9588 | return nullptr; | ||||
9589 | return getDerived().RebuildOMPFinalClause(Cond.get(), C->getBeginLoc(), | ||||
9590 | C->getLParenLoc(), C->getEndLoc()); | ||||
9591 | } | ||||
9592 | |||||
9593 | template <typename Derived> | ||||
9594 | OMPClause * | ||||
9595 | TreeTransform<Derived>::TransformOMPNumThreadsClause(OMPNumThreadsClause *C) { | ||||
9596 | ExprResult NumThreads = getDerived().TransformExpr(C->getNumThreads()); | ||||
9597 | if (NumThreads.isInvalid()) | ||||
9598 | return nullptr; | ||||
9599 | return getDerived().RebuildOMPNumThreadsClause( | ||||
9600 | NumThreads.get(), C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
9601 | } | ||||
9602 | |||||
9603 | template <typename Derived> | ||||
9604 | OMPClause * | ||||
9605 | TreeTransform<Derived>::TransformOMPSafelenClause(OMPSafelenClause *C) { | ||||
9606 | ExprResult E = getDerived().TransformExpr(C->getSafelen()); | ||||
9607 | if (E.isInvalid()) | ||||
9608 | return nullptr; | ||||
9609 | return getDerived().RebuildOMPSafelenClause( | ||||
9610 | E.get(), C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
9611 | } | ||||
9612 | |||||
9613 | template <typename Derived> | ||||
9614 | OMPClause * | ||||
9615 | TreeTransform<Derived>::TransformOMPAllocatorClause(OMPAllocatorClause *C) { | ||||
9616 | ExprResult E = getDerived().TransformExpr(C->getAllocator()); | ||||
9617 | if (E.isInvalid()) | ||||
9618 | return nullptr; | ||||
9619 | return getDerived().RebuildOMPAllocatorClause( | ||||
9620 | E.get(), C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
9621 | } | ||||
9622 | |||||
9623 | template <typename Derived> | ||||
9624 | OMPClause * | ||||
9625 | TreeTransform<Derived>::TransformOMPSimdlenClause(OMPSimdlenClause *C) { | ||||
9626 | ExprResult E = getDerived().TransformExpr(C->getSimdlen()); | ||||
9627 | if (E.isInvalid()) | ||||
9628 | return nullptr; | ||||
9629 | return getDerived().RebuildOMPSimdlenClause( | ||||
9630 | E.get(), C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
9631 | } | ||||
9632 | |||||
9633 | template <typename Derived> | ||||
9634 | OMPClause *TreeTransform<Derived>::TransformOMPSizesClause(OMPSizesClause *C) { | ||||
9635 | SmallVector<Expr *, 4> TransformedSizes; | ||||
9636 | TransformedSizes.reserve(C->getNumSizes()); | ||||
9637 | bool Changed = false; | ||||
9638 | for (Expr *E : C->getSizesRefs()) { | ||||
9639 | if (!E) { | ||||
9640 | TransformedSizes.push_back(nullptr); | ||||
9641 | continue; | ||||
9642 | } | ||||
9643 | |||||
9644 | ExprResult T = getDerived().TransformExpr(E); | ||||
9645 | if (T.isInvalid()) | ||||
9646 | return nullptr; | ||||
9647 | if (E != T.get()) | ||||
9648 | Changed = true; | ||||
9649 | TransformedSizes.push_back(T.get()); | ||||
9650 | } | ||||
9651 | |||||
9652 | if (!Changed && !getDerived().AlwaysRebuild()) | ||||
9653 | return C; | ||||
9654 | return RebuildOMPSizesClause(TransformedSizes, C->getBeginLoc(), | ||||
9655 | C->getLParenLoc(), C->getEndLoc()); | ||||
9656 | } | ||||
9657 | |||||
9658 | template <typename Derived> | ||||
9659 | OMPClause *TreeTransform<Derived>::TransformOMPFullClause(OMPFullClause *C) { | ||||
9660 | if (!getDerived().AlwaysRebuild()) | ||||
9661 | return C; | ||||
9662 | return RebuildOMPFullClause(C->getBeginLoc(), C->getEndLoc()); | ||||
9663 | } | ||||
9664 | |||||
9665 | template <typename Derived> | ||||
9666 | OMPClause * | ||||
9667 | TreeTransform<Derived>::TransformOMPPartialClause(OMPPartialClause *C) { | ||||
9668 | ExprResult T = getDerived().TransformExpr(C->getFactor()); | ||||
9669 | if (T.isInvalid()) | ||||
9670 | return nullptr; | ||||
9671 | Expr *Factor = T.get(); | ||||
9672 | bool Changed = Factor != C->getFactor(); | ||||
9673 | |||||
9674 | if (!Changed && !getDerived().AlwaysRebuild()) | ||||
9675 | return C; | ||||
9676 | return RebuildOMPPartialClause(Factor, C->getBeginLoc(), C->getLParenLoc(), | ||||
9677 | C->getEndLoc()); | ||||
9678 | } | ||||
9679 | |||||
9680 | template <typename Derived> | ||||
9681 | OMPClause * | ||||
9682 | TreeTransform<Derived>::TransformOMPCollapseClause(OMPCollapseClause *C) { | ||||
9683 | ExprResult E = getDerived().TransformExpr(C->getNumForLoops()); | ||||
9684 | if (E.isInvalid()) | ||||
9685 | return nullptr; | ||||
9686 | return getDerived().RebuildOMPCollapseClause( | ||||
9687 | E.get(), C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
9688 | } | ||||
9689 | |||||
9690 | template <typename Derived> | ||||
9691 | OMPClause * | ||||
9692 | TreeTransform<Derived>::TransformOMPDefaultClause(OMPDefaultClause *C) { | ||||
9693 | return getDerived().RebuildOMPDefaultClause( | ||||
9694 | C->getDefaultKind(), C->getDefaultKindKwLoc(), C->getBeginLoc(), | ||||
9695 | C->getLParenLoc(), C->getEndLoc()); | ||||
9696 | } | ||||
9697 | |||||
9698 | template <typename Derived> | ||||
9699 | OMPClause * | ||||
9700 | TreeTransform<Derived>::TransformOMPProcBindClause(OMPProcBindClause *C) { | ||||
9701 | return getDerived().RebuildOMPProcBindClause( | ||||
9702 | C->getProcBindKind(), C->getProcBindKindKwLoc(), C->getBeginLoc(), | ||||
9703 | C->getLParenLoc(), C->getEndLoc()); | ||||
9704 | } | ||||
9705 | |||||
9706 | template <typename Derived> | ||||
9707 | OMPClause * | ||||
9708 | TreeTransform<Derived>::TransformOMPScheduleClause(OMPScheduleClause *C) { | ||||
9709 | ExprResult E = getDerived().TransformExpr(C->getChunkSize()); | ||||
9710 | if (E.isInvalid()) | ||||
9711 | return nullptr; | ||||
9712 | return getDerived().RebuildOMPScheduleClause( | ||||
9713 | C->getFirstScheduleModifier(), C->getSecondScheduleModifier(), | ||||
9714 | C->getScheduleKind(), E.get(), C->getBeginLoc(), C->getLParenLoc(), | ||||
9715 | C->getFirstScheduleModifierLoc(), C->getSecondScheduleModifierLoc(), | ||||
9716 | C->getScheduleKindLoc(), C->getCommaLoc(), C->getEndLoc()); | ||||
9717 | } | ||||
9718 | |||||
9719 | template <typename Derived> | ||||
9720 | OMPClause * | ||||
9721 | TreeTransform<Derived>::TransformOMPOrderedClause(OMPOrderedClause *C) { | ||||
9722 | ExprResult E; | ||||
9723 | if (auto *Num = C->getNumForLoops()) { | ||||
9724 | E = getDerived().TransformExpr(Num); | ||||
9725 | if (E.isInvalid()) | ||||
9726 | return nullptr; | ||||
9727 | } | ||||
9728 | return getDerived().RebuildOMPOrderedClause(C->getBeginLoc(), C->getEndLoc(), | ||||
9729 | C->getLParenLoc(), E.get()); | ||||
9730 | } | ||||
9731 | |||||
9732 | template <typename Derived> | ||||
9733 | OMPClause * | ||||
9734 | TreeTransform<Derived>::TransformOMPDetachClause(OMPDetachClause *C) { | ||||
9735 | ExprResult E; | ||||
9736 | if (Expr *Evt = C->getEventHandler()) { | ||||
9737 | E = getDerived().TransformExpr(Evt); | ||||
9738 | if (E.isInvalid()) | ||||
9739 | return nullptr; | ||||
9740 | } | ||||
9741 | return getDerived().RebuildOMPDetachClause(E.get(), C->getBeginLoc(), | ||||
9742 | C->getLParenLoc(), C->getEndLoc()); | ||||
9743 | } | ||||
9744 | |||||
9745 | template <typename Derived> | ||||
9746 | OMPClause * | ||||
9747 | TreeTransform<Derived>::TransformOMPNowaitClause(OMPNowaitClause *C) { | ||||
9748 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9749 | return C; | ||||
9750 | } | ||||
9751 | |||||
9752 | template <typename Derived> | ||||
9753 | OMPClause * | ||||
9754 | TreeTransform<Derived>::TransformOMPUntiedClause(OMPUntiedClause *C) { | ||||
9755 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9756 | return C; | ||||
9757 | } | ||||
9758 | |||||
9759 | template <typename Derived> | ||||
9760 | OMPClause * | ||||
9761 | TreeTransform<Derived>::TransformOMPMergeableClause(OMPMergeableClause *C) { | ||||
9762 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9763 | return C; | ||||
9764 | } | ||||
9765 | |||||
9766 | template <typename Derived> | ||||
9767 | OMPClause *TreeTransform<Derived>::TransformOMPReadClause(OMPReadClause *C) { | ||||
9768 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9769 | return C; | ||||
9770 | } | ||||
9771 | |||||
9772 | template <typename Derived> | ||||
9773 | OMPClause *TreeTransform<Derived>::TransformOMPWriteClause(OMPWriteClause *C) { | ||||
9774 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9775 | return C; | ||||
9776 | } | ||||
9777 | |||||
9778 | template <typename Derived> | ||||
9779 | OMPClause * | ||||
9780 | TreeTransform<Derived>::TransformOMPUpdateClause(OMPUpdateClause *C) { | ||||
9781 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9782 | return C; | ||||
9783 | } | ||||
9784 | |||||
9785 | template <typename Derived> | ||||
9786 | OMPClause * | ||||
9787 | TreeTransform<Derived>::TransformOMPCaptureClause(OMPCaptureClause *C) { | ||||
9788 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9789 | return C; | ||||
9790 | } | ||||
9791 | |||||
9792 | template <typename Derived> | ||||
9793 | OMPClause * | ||||
9794 | TreeTransform<Derived>::TransformOMPCompareClause(OMPCompareClause *C) { | ||||
9795 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9796 | return C; | ||||
9797 | } | ||||
9798 | |||||
9799 | template <typename Derived> | ||||
9800 | OMPClause * | ||||
9801 | TreeTransform<Derived>::TransformOMPSeqCstClause(OMPSeqCstClause *C) { | ||||
9802 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9803 | return C; | ||||
9804 | } | ||||
9805 | |||||
9806 | template <typename Derived> | ||||
9807 | OMPClause * | ||||
9808 | TreeTransform<Derived>::TransformOMPAcqRelClause(OMPAcqRelClause *C) { | ||||
9809 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9810 | return C; | ||||
9811 | } | ||||
9812 | |||||
9813 | template <typename Derived> | ||||
9814 | OMPClause * | ||||
9815 | TreeTransform<Derived>::TransformOMPAcquireClause(OMPAcquireClause *C) { | ||||
9816 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9817 | return C; | ||||
9818 | } | ||||
9819 | |||||
9820 | template <typename Derived> | ||||
9821 | OMPClause * | ||||
9822 | TreeTransform<Derived>::TransformOMPReleaseClause(OMPReleaseClause *C) { | ||||
9823 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9824 | return C; | ||||
9825 | } | ||||
9826 | |||||
9827 | template <typename Derived> | ||||
9828 | OMPClause * | ||||
9829 | TreeTransform<Derived>::TransformOMPRelaxedClause(OMPRelaxedClause *C) { | ||||
9830 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9831 | return C; | ||||
9832 | } | ||||
9833 | |||||
9834 | template <typename Derived> | ||||
9835 | OMPClause * | ||||
9836 | TreeTransform<Derived>::TransformOMPThreadsClause(OMPThreadsClause *C) { | ||||
9837 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9838 | return C; | ||||
9839 | } | ||||
9840 | |||||
9841 | template <typename Derived> | ||||
9842 | OMPClause *TreeTransform<Derived>::TransformOMPSIMDClause(OMPSIMDClause *C) { | ||||
9843 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9844 | return C; | ||||
9845 | } | ||||
9846 | |||||
9847 | template <typename Derived> | ||||
9848 | OMPClause * | ||||
9849 | TreeTransform<Derived>::TransformOMPNogroupClause(OMPNogroupClause *C) { | ||||
9850 | // No need to rebuild this clause, no template-dependent parameters. | ||||
9851 | return C; | ||||
9852 | } | ||||
9853 | |||||
9854 | template <typename Derived> | ||||
9855 | OMPClause *TreeTransform<Derived>::TransformOMPInitClause(OMPInitClause *C) { | ||||
9856 | ExprResult IVR = getDerived().TransformExpr(C->getInteropVar()); | ||||
9857 | if (IVR.isInvalid()) | ||||
9858 | return nullptr; | ||||
9859 | |||||
9860 | OMPInteropInfo InteropInfo(C->getIsTarget(), C->getIsTargetSync()); | ||||
9861 | InteropInfo.PreferTypes.reserve(C->varlist_size() - 1); | ||||
9862 | for (Expr *E : llvm::drop_begin(C->varlists())) { | ||||
9863 | ExprResult ER = getDerived().TransformExpr(cast<Expr>(E)); | ||||
9864 | if (ER.isInvalid()) | ||||
9865 | return nullptr; | ||||
9866 | InteropInfo.PreferTypes.push_back(ER.get()); | ||||
9867 | } | ||||
9868 | return getDerived().RebuildOMPInitClause(IVR.get(), InteropInfo, | ||||
9869 | C->getBeginLoc(), C->getLParenLoc(), | ||||
9870 | C->getVarLoc(), C->getEndLoc()); | ||||
9871 | } | ||||
9872 | |||||
9873 | template <typename Derived> | ||||
9874 | OMPClause *TreeTransform<Derived>::TransformOMPUseClause(OMPUseClause *C) { | ||||
9875 | ExprResult ER = getDerived().TransformExpr(C->getInteropVar()); | ||||
9876 | if (ER.isInvalid()) | ||||
9877 | return nullptr; | ||||
9878 | return getDerived().RebuildOMPUseClause(ER.get(), C->getBeginLoc(), | ||||
9879 | C->getLParenLoc(), C->getVarLoc(), | ||||
9880 | C->getEndLoc()); | ||||
9881 | } | ||||
9882 | |||||
9883 | template <typename Derived> | ||||
9884 | OMPClause * | ||||
9885 | TreeTransform<Derived>::TransformOMPDestroyClause(OMPDestroyClause *C) { | ||||
9886 | ExprResult ER; | ||||
9887 | if (Expr *IV = C->getInteropVar()) { | ||||
9888 | ER = getDerived().TransformExpr(IV); | ||||
9889 | if (ER.isInvalid()) | ||||
9890 | return nullptr; | ||||
9891 | } | ||||
9892 | return getDerived().RebuildOMPDestroyClause(ER.get(), C->getBeginLoc(), | ||||
9893 | C->getLParenLoc(), C->getVarLoc(), | ||||
9894 | C->getEndLoc()); | ||||
9895 | } | ||||
9896 | |||||
9897 | template <typename Derived> | ||||
9898 | OMPClause * | ||||
9899 | TreeTransform<Derived>::TransformOMPNovariantsClause(OMPNovariantsClause *C) { | ||||
9900 | ExprResult Cond = getDerived().TransformExpr(C->getCondition()); | ||||
9901 | if (Cond.isInvalid()) | ||||
9902 | return nullptr; | ||||
9903 | return getDerived().RebuildOMPNovariantsClause( | ||||
9904 | Cond.get(), C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
9905 | } | ||||
9906 | |||||
9907 | template <typename Derived> | ||||
9908 | OMPClause * | ||||
9909 | TreeTransform<Derived>::TransformOMPNocontextClause(OMPNocontextClause *C) { | ||||
9910 | ExprResult Cond = getDerived().TransformExpr(C->getCondition()); | ||||
9911 | if (Cond.isInvalid()) | ||||
9912 | return nullptr; | ||||
9913 | return getDerived().RebuildOMPNocontextClause( | ||||
9914 | Cond.get(), C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
9915 | } | ||||
9916 | |||||
9917 | template <typename Derived> | ||||
9918 | OMPClause * | ||||
9919 | TreeTransform<Derived>::TransformOMPFilterClause(OMPFilterClause *C) { | ||||
9920 | ExprResult ThreadID = getDerived().TransformExpr(C->getThreadID()); | ||||
9921 | if (ThreadID.isInvalid()) | ||||
9922 | return nullptr; | ||||
9923 | return getDerived().RebuildOMPFilterClause(ThreadID.get(), C->getBeginLoc(), | ||||
9924 | C->getLParenLoc(), C->getEndLoc()); | ||||
9925 | } | ||||
9926 | |||||
9927 | template <typename Derived> | ||||
9928 | OMPClause *TreeTransform<Derived>::TransformOMPAlignClause(OMPAlignClause *C) { | ||||
9929 | ExprResult E = getDerived().TransformExpr(C->getAlignment()); | ||||
9930 | if (E.isInvalid()) | ||||
9931 | return nullptr; | ||||
9932 | return getDerived().RebuildOMPAlignClause(E.get(), C->getBeginLoc(), | ||||
9933 | C->getLParenLoc(), C->getEndLoc()); | ||||
9934 | } | ||||
9935 | |||||
9936 | template <typename Derived> | ||||
9937 | OMPClause *TreeTransform<Derived>::TransformOMPUnifiedAddressClause( | ||||
9938 | OMPUnifiedAddressClause *C) { | ||||
9939 | llvm_unreachable("unified_address clause cannot appear in dependent context")::llvm::llvm_unreachable_internal("unified_address clause cannot appear in dependent context" , "clang/lib/Sema/TreeTransform.h", 9939); | ||||
9940 | } | ||||
9941 | |||||
9942 | template <typename Derived> | ||||
9943 | OMPClause *TreeTransform<Derived>::TransformOMPUnifiedSharedMemoryClause( | ||||
9944 | OMPUnifiedSharedMemoryClause *C) { | ||||
9945 | llvm_unreachable(::llvm::llvm_unreachable_internal("unified_shared_memory clause cannot appear in dependent context" , "clang/lib/Sema/TreeTransform.h", 9946) | ||||
9946 | "unified_shared_memory clause cannot appear in dependent context")::llvm::llvm_unreachable_internal("unified_shared_memory clause cannot appear in dependent context" , "clang/lib/Sema/TreeTransform.h", 9946); | ||||
9947 | } | ||||
9948 | |||||
9949 | template <typename Derived> | ||||
9950 | OMPClause *TreeTransform<Derived>::TransformOMPReverseOffloadClause( | ||||
9951 | OMPReverseOffloadClause *C) { | ||||
9952 | llvm_unreachable("reverse_offload clause cannot appear in dependent context")::llvm::llvm_unreachable_internal("reverse_offload clause cannot appear in dependent context" , "clang/lib/Sema/TreeTransform.h", 9952); | ||||
9953 | } | ||||
9954 | |||||
9955 | template <typename Derived> | ||||
9956 | OMPClause *TreeTransform<Derived>::TransformOMPDynamicAllocatorsClause( | ||||
9957 | OMPDynamicAllocatorsClause *C) { | ||||
9958 | llvm_unreachable(::llvm::llvm_unreachable_internal("dynamic_allocators clause cannot appear in dependent context" , "clang/lib/Sema/TreeTransform.h", 9959) | ||||
9959 | "dynamic_allocators clause cannot appear in dependent context")::llvm::llvm_unreachable_internal("dynamic_allocators clause cannot appear in dependent context" , "clang/lib/Sema/TreeTransform.h", 9959); | ||||
9960 | } | ||||
9961 | |||||
9962 | template <typename Derived> | ||||
9963 | OMPClause *TreeTransform<Derived>::TransformOMPAtomicDefaultMemOrderClause( | ||||
9964 | OMPAtomicDefaultMemOrderClause *C) { | ||||
9965 | llvm_unreachable(::llvm::llvm_unreachable_internal("atomic_default_mem_order clause cannot appear in dependent context" , "clang/lib/Sema/TreeTransform.h", 9966) | ||||
9966 | "atomic_default_mem_order clause cannot appear in dependent context")::llvm::llvm_unreachable_internal("atomic_default_mem_order clause cannot appear in dependent context" , "clang/lib/Sema/TreeTransform.h", 9966); | ||||
9967 | } | ||||
9968 | |||||
9969 | template <typename Derived> | ||||
9970 | OMPClause *TreeTransform<Derived>::TransformOMPAtClause(OMPAtClause *C) { | ||||
9971 | return getDerived().RebuildOMPAtClause(C->getAtKind(), C->getAtKindKwLoc(), | ||||
9972 | C->getBeginLoc(), C->getLParenLoc(), | ||||
9973 | C->getEndLoc()); | ||||
9974 | } | ||||
9975 | |||||
9976 | template <typename Derived> | ||||
9977 | OMPClause * | ||||
9978 | TreeTransform<Derived>::TransformOMPSeverityClause(OMPSeverityClause *C) { | ||||
9979 | return getDerived().RebuildOMPSeverityClause( | ||||
9980 | C->getSeverityKind(), C->getSeverityKindKwLoc(), C->getBeginLoc(), | ||||
9981 | C->getLParenLoc(), C->getEndLoc()); | ||||
9982 | } | ||||
9983 | |||||
9984 | template <typename Derived> | ||||
9985 | OMPClause * | ||||
9986 | TreeTransform<Derived>::TransformOMPMessageClause(OMPMessageClause *C) { | ||||
9987 | ExprResult E = getDerived().TransformExpr(C->getMessageString()); | ||||
9988 | if (E.isInvalid()) | ||||
9989 | return nullptr; | ||||
9990 | return getDerived().RebuildOMPMessageClause( | ||||
9991 | C->getMessageString(), C->getBeginLoc(), C->getLParenLoc(), | ||||
9992 | C->getEndLoc()); | ||||
9993 | } | ||||
9994 | |||||
9995 | template <typename Derived> | ||||
9996 | OMPClause * | ||||
9997 | TreeTransform<Derived>::TransformOMPPrivateClause(OMPPrivateClause *C) { | ||||
9998 | llvm::SmallVector<Expr *, 16> Vars; | ||||
9999 | Vars.reserve(C->varlist_size()); | ||||
10000 | for (auto *VE : C->varlists()) { | ||||
10001 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10002 | if (EVar.isInvalid()) | ||||
10003 | return nullptr; | ||||
10004 | Vars.push_back(EVar.get()); | ||||
10005 | } | ||||
10006 | return getDerived().RebuildOMPPrivateClause( | ||||
10007 | Vars, C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10008 | } | ||||
10009 | |||||
10010 | template <typename Derived> | ||||
10011 | OMPClause *TreeTransform<Derived>::TransformOMPFirstprivateClause( | ||||
10012 | OMPFirstprivateClause *C) { | ||||
10013 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10014 | Vars.reserve(C->varlist_size()); | ||||
10015 | for (auto *VE : C->varlists()) { | ||||
10016 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10017 | if (EVar.isInvalid()) | ||||
10018 | return nullptr; | ||||
10019 | Vars.push_back(EVar.get()); | ||||
10020 | } | ||||
10021 | return getDerived().RebuildOMPFirstprivateClause( | ||||
10022 | Vars, C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10023 | } | ||||
10024 | |||||
10025 | template <typename Derived> | ||||
10026 | OMPClause * | ||||
10027 | TreeTransform<Derived>::TransformOMPLastprivateClause(OMPLastprivateClause *C) { | ||||
10028 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10029 | Vars.reserve(C->varlist_size()); | ||||
10030 | for (auto *VE : C->varlists()) { | ||||
10031 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10032 | if (EVar.isInvalid()) | ||||
10033 | return nullptr; | ||||
10034 | Vars.push_back(EVar.get()); | ||||
10035 | } | ||||
10036 | return getDerived().RebuildOMPLastprivateClause( | ||||
10037 | Vars, C->getKind(), C->getKindLoc(), C->getColonLoc(), C->getBeginLoc(), | ||||
10038 | C->getLParenLoc(), C->getEndLoc()); | ||||
10039 | } | ||||
10040 | |||||
10041 | template <typename Derived> | ||||
10042 | OMPClause * | ||||
10043 | TreeTransform<Derived>::TransformOMPSharedClause(OMPSharedClause *C) { | ||||
10044 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10045 | Vars.reserve(C->varlist_size()); | ||||
10046 | for (auto *VE : C->varlists()) { | ||||
10047 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10048 | if (EVar.isInvalid()) | ||||
10049 | return nullptr; | ||||
10050 | Vars.push_back(EVar.get()); | ||||
10051 | } | ||||
10052 | return getDerived().RebuildOMPSharedClause(Vars, C->getBeginLoc(), | ||||
10053 | C->getLParenLoc(), C->getEndLoc()); | ||||
10054 | } | ||||
10055 | |||||
10056 | template <typename Derived> | ||||
10057 | OMPClause * | ||||
10058 | TreeTransform<Derived>::TransformOMPReductionClause(OMPReductionClause *C) { | ||||
10059 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10060 | Vars.reserve(C->varlist_size()); | ||||
10061 | for (auto *VE : C->varlists()) { | ||||
10062 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10063 | if (EVar.isInvalid()) | ||||
10064 | return nullptr; | ||||
10065 | Vars.push_back(EVar.get()); | ||||
10066 | } | ||||
10067 | CXXScopeSpec ReductionIdScopeSpec; | ||||
10068 | ReductionIdScopeSpec.Adopt(C->getQualifierLoc()); | ||||
10069 | |||||
10070 | DeclarationNameInfo NameInfo = C->getNameInfo(); | ||||
10071 | if (NameInfo.getName()) { | ||||
10072 | NameInfo = getDerived().TransformDeclarationNameInfo(NameInfo); | ||||
10073 | if (!NameInfo.getName()) | ||||
10074 | return nullptr; | ||||
10075 | } | ||||
10076 | // Build a list of all UDR decls with the same names ranged by the Scopes. | ||||
10077 | // The Scope boundary is a duplication of the previous decl. | ||||
10078 | llvm::SmallVector<Expr *, 16> UnresolvedReductions; | ||||
10079 | for (auto *E : C->reduction_ops()) { | ||||
10080 | // Transform all the decls. | ||||
10081 | if (E) { | ||||
10082 | auto *ULE = cast<UnresolvedLookupExpr>(E); | ||||
10083 | UnresolvedSet<8> Decls; | ||||
10084 | for (auto *D : ULE->decls()) { | ||||
10085 | NamedDecl *InstD = | ||||
10086 | cast<NamedDecl>(getDerived().TransformDecl(E->getExprLoc(), D)); | ||||
10087 | Decls.addDecl(InstD, InstD->getAccess()); | ||||
10088 | } | ||||
10089 | UnresolvedReductions.push_back( | ||||
10090 | UnresolvedLookupExpr::Create( | ||||
10091 | SemaRef.Context, /*NamingClass=*/nullptr, | ||||
10092 | ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), | ||||
10093 | NameInfo, /*ADL=*/true, ULE->isOverloaded(), | ||||
10094 | Decls.begin(), Decls.end())); | ||||
10095 | } else | ||||
10096 | UnresolvedReductions.push_back(nullptr); | ||||
10097 | } | ||||
10098 | return getDerived().RebuildOMPReductionClause( | ||||
10099 | Vars, C->getModifier(), C->getBeginLoc(), C->getLParenLoc(), | ||||
10100 | C->getModifierLoc(), C->getColonLoc(), C->getEndLoc(), | ||||
10101 | ReductionIdScopeSpec, NameInfo, UnresolvedReductions); | ||||
10102 | } | ||||
10103 | |||||
10104 | template <typename Derived> | ||||
10105 | OMPClause *TreeTransform<Derived>::TransformOMPTaskReductionClause( | ||||
10106 | OMPTaskReductionClause *C) { | ||||
10107 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10108 | Vars.reserve(C->varlist_size()); | ||||
10109 | for (auto *VE : C->varlists()) { | ||||
10110 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10111 | if (EVar.isInvalid()) | ||||
10112 | return nullptr; | ||||
10113 | Vars.push_back(EVar.get()); | ||||
10114 | } | ||||
10115 | CXXScopeSpec ReductionIdScopeSpec; | ||||
10116 | ReductionIdScopeSpec.Adopt(C->getQualifierLoc()); | ||||
10117 | |||||
10118 | DeclarationNameInfo NameInfo = C->getNameInfo(); | ||||
10119 | if (NameInfo.getName()) { | ||||
10120 | NameInfo = getDerived().TransformDeclarationNameInfo(NameInfo); | ||||
10121 | if (!NameInfo.getName()) | ||||
10122 | return nullptr; | ||||
10123 | } | ||||
10124 | // Build a list of all UDR decls with the same names ranged by the Scopes. | ||||
10125 | // The Scope boundary is a duplication of the previous decl. | ||||
10126 | llvm::SmallVector<Expr *, 16> UnresolvedReductions; | ||||
10127 | for (auto *E : C->reduction_ops()) { | ||||
10128 | // Transform all the decls. | ||||
10129 | if (E) { | ||||
10130 | auto *ULE = cast<UnresolvedLookupExpr>(E); | ||||
10131 | UnresolvedSet<8> Decls; | ||||
10132 | for (auto *D : ULE->decls()) { | ||||
10133 | NamedDecl *InstD = | ||||
10134 | cast<NamedDecl>(getDerived().TransformDecl(E->getExprLoc(), D)); | ||||
10135 | Decls.addDecl(InstD, InstD->getAccess()); | ||||
10136 | } | ||||
10137 | UnresolvedReductions.push_back(UnresolvedLookupExpr::Create( | ||||
10138 | SemaRef.Context, /*NamingClass=*/nullptr, | ||||
10139 | ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), NameInfo, | ||||
10140 | /*ADL=*/true, ULE->isOverloaded(), Decls.begin(), Decls.end())); | ||||
10141 | } else | ||||
10142 | UnresolvedReductions.push_back(nullptr); | ||||
10143 | } | ||||
10144 | return getDerived().RebuildOMPTaskReductionClause( | ||||
10145 | Vars, C->getBeginLoc(), C->getLParenLoc(), C->getColonLoc(), | ||||
10146 | C->getEndLoc(), ReductionIdScopeSpec, NameInfo, UnresolvedReductions); | ||||
10147 | } | ||||
10148 | |||||
10149 | template <typename Derived> | ||||
10150 | OMPClause * | ||||
10151 | TreeTransform<Derived>::TransformOMPInReductionClause(OMPInReductionClause *C) { | ||||
10152 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10153 | Vars.reserve(C->varlist_size()); | ||||
10154 | for (auto *VE : C->varlists()) { | ||||
10155 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10156 | if (EVar.isInvalid()) | ||||
10157 | return nullptr; | ||||
10158 | Vars.push_back(EVar.get()); | ||||
10159 | } | ||||
10160 | CXXScopeSpec ReductionIdScopeSpec; | ||||
10161 | ReductionIdScopeSpec.Adopt(C->getQualifierLoc()); | ||||
10162 | |||||
10163 | DeclarationNameInfo NameInfo = C->getNameInfo(); | ||||
10164 | if (NameInfo.getName()) { | ||||
10165 | NameInfo = getDerived().TransformDeclarationNameInfo(NameInfo); | ||||
10166 | if (!NameInfo.getName()) | ||||
10167 | return nullptr; | ||||
10168 | } | ||||
10169 | // Build a list of all UDR decls with the same names ranged by the Scopes. | ||||
10170 | // The Scope boundary is a duplication of the previous decl. | ||||
10171 | llvm::SmallVector<Expr *, 16> UnresolvedReductions; | ||||
10172 | for (auto *E : C->reduction_ops()) { | ||||
10173 | // Transform all the decls. | ||||
10174 | if (E) { | ||||
10175 | auto *ULE = cast<UnresolvedLookupExpr>(E); | ||||
10176 | UnresolvedSet<8> Decls; | ||||
10177 | for (auto *D : ULE->decls()) { | ||||
10178 | NamedDecl *InstD = | ||||
10179 | cast<NamedDecl>(getDerived().TransformDecl(E->getExprLoc(), D)); | ||||
10180 | Decls.addDecl(InstD, InstD->getAccess()); | ||||
10181 | } | ||||
10182 | UnresolvedReductions.push_back(UnresolvedLookupExpr::Create( | ||||
10183 | SemaRef.Context, /*NamingClass=*/nullptr, | ||||
10184 | ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), NameInfo, | ||||
10185 | /*ADL=*/true, ULE->isOverloaded(), Decls.begin(), Decls.end())); | ||||
10186 | } else | ||||
10187 | UnresolvedReductions.push_back(nullptr); | ||||
10188 | } | ||||
10189 | return getDerived().RebuildOMPInReductionClause( | ||||
10190 | Vars, C->getBeginLoc(), C->getLParenLoc(), C->getColonLoc(), | ||||
10191 | C->getEndLoc(), ReductionIdScopeSpec, NameInfo, UnresolvedReductions); | ||||
10192 | } | ||||
10193 | |||||
10194 | template <typename Derived> | ||||
10195 | OMPClause * | ||||
10196 | TreeTransform<Derived>::TransformOMPLinearClause(OMPLinearClause *C) { | ||||
10197 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10198 | Vars.reserve(C->varlist_size()); | ||||
10199 | for (auto *VE : C->varlists()) { | ||||
10200 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10201 | if (EVar.isInvalid()) | ||||
10202 | return nullptr; | ||||
10203 | Vars.push_back(EVar.get()); | ||||
10204 | } | ||||
10205 | ExprResult Step = getDerived().TransformExpr(C->getStep()); | ||||
10206 | if (Step.isInvalid()) | ||||
10207 | return nullptr; | ||||
10208 | return getDerived().RebuildOMPLinearClause( | ||||
10209 | Vars, Step.get(), C->getBeginLoc(), C->getLParenLoc(), C->getModifier(), | ||||
10210 | C->getModifierLoc(), C->getColonLoc(), C->getEndLoc()); | ||||
10211 | } | ||||
10212 | |||||
10213 | template <typename Derived> | ||||
10214 | OMPClause * | ||||
10215 | TreeTransform<Derived>::TransformOMPAlignedClause(OMPAlignedClause *C) { | ||||
10216 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10217 | Vars.reserve(C->varlist_size()); | ||||
10218 | for (auto *VE : C->varlists()) { | ||||
10219 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10220 | if (EVar.isInvalid()) | ||||
10221 | return nullptr; | ||||
10222 | Vars.push_back(EVar.get()); | ||||
10223 | } | ||||
10224 | ExprResult Alignment = getDerived().TransformExpr(C->getAlignment()); | ||||
10225 | if (Alignment.isInvalid()) | ||||
10226 | return nullptr; | ||||
10227 | return getDerived().RebuildOMPAlignedClause( | ||||
10228 | Vars, Alignment.get(), C->getBeginLoc(), C->getLParenLoc(), | ||||
10229 | C->getColonLoc(), C->getEndLoc()); | ||||
10230 | } | ||||
10231 | |||||
10232 | template <typename Derived> | ||||
10233 | OMPClause * | ||||
10234 | TreeTransform<Derived>::TransformOMPCopyinClause(OMPCopyinClause *C) { | ||||
10235 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10236 | Vars.reserve(C->varlist_size()); | ||||
10237 | for (auto *VE : C->varlists()) { | ||||
10238 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10239 | if (EVar.isInvalid()) | ||||
10240 | return nullptr; | ||||
10241 | Vars.push_back(EVar.get()); | ||||
10242 | } | ||||
10243 | return getDerived().RebuildOMPCopyinClause(Vars, C->getBeginLoc(), | ||||
10244 | C->getLParenLoc(), C->getEndLoc()); | ||||
10245 | } | ||||
10246 | |||||
10247 | template <typename Derived> | ||||
10248 | OMPClause * | ||||
10249 | TreeTransform<Derived>::TransformOMPCopyprivateClause(OMPCopyprivateClause *C) { | ||||
10250 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10251 | Vars.reserve(C->varlist_size()); | ||||
10252 | for (auto *VE : C->varlists()) { | ||||
10253 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10254 | if (EVar.isInvalid()) | ||||
10255 | return nullptr; | ||||
10256 | Vars.push_back(EVar.get()); | ||||
10257 | } | ||||
10258 | return getDerived().RebuildOMPCopyprivateClause( | ||||
10259 | Vars, C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10260 | } | ||||
10261 | |||||
10262 | template <typename Derived> | ||||
10263 | OMPClause *TreeTransform<Derived>::TransformOMPFlushClause(OMPFlushClause *C) { | ||||
10264 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10265 | Vars.reserve(C->varlist_size()); | ||||
10266 | for (auto *VE : C->varlists()) { | ||||
10267 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10268 | if (EVar.isInvalid()) | ||||
10269 | return nullptr; | ||||
10270 | Vars.push_back(EVar.get()); | ||||
10271 | } | ||||
10272 | return getDerived().RebuildOMPFlushClause(Vars, C->getBeginLoc(), | ||||
10273 | C->getLParenLoc(), C->getEndLoc()); | ||||
10274 | } | ||||
10275 | |||||
10276 | template <typename Derived> | ||||
10277 | OMPClause * | ||||
10278 | TreeTransform<Derived>::TransformOMPDepobjClause(OMPDepobjClause *C) { | ||||
10279 | ExprResult E = getDerived().TransformExpr(C->getDepobj()); | ||||
10280 | if (E.isInvalid()) | ||||
10281 | return nullptr; | ||||
10282 | return getDerived().RebuildOMPDepobjClause(E.get(), C->getBeginLoc(), | ||||
10283 | C->getLParenLoc(), C->getEndLoc()); | ||||
10284 | } | ||||
10285 | |||||
10286 | template <typename Derived> | ||||
10287 | OMPClause * | ||||
10288 | TreeTransform<Derived>::TransformOMPDependClause(OMPDependClause *C) { | ||||
10289 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10290 | Expr *DepModifier = C->getModifier(); | ||||
10291 | if (DepModifier) { | ||||
10292 | ExprResult DepModRes = getDerived().TransformExpr(DepModifier); | ||||
10293 | if (DepModRes.isInvalid()) | ||||
10294 | return nullptr; | ||||
10295 | DepModifier = DepModRes.get(); | ||||
10296 | } | ||||
10297 | Vars.reserve(C->varlist_size()); | ||||
10298 | for (auto *VE : C->varlists()) { | ||||
10299 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10300 | if (EVar.isInvalid()) | ||||
10301 | return nullptr; | ||||
10302 | Vars.push_back(EVar.get()); | ||||
10303 | } | ||||
10304 | return getDerived().RebuildOMPDependClause( | ||||
10305 | {C->getDependencyKind(), C->getDependencyLoc(), C->getColonLoc(), | ||||
10306 | C->getOmpAllMemoryLoc()}, | ||||
10307 | DepModifier, Vars, C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10308 | } | ||||
10309 | |||||
10310 | template <typename Derived> | ||||
10311 | OMPClause * | ||||
10312 | TreeTransform<Derived>::TransformOMPDeviceClause(OMPDeviceClause *C) { | ||||
10313 | ExprResult E = getDerived().TransformExpr(C->getDevice()); | ||||
10314 | if (E.isInvalid()) | ||||
10315 | return nullptr; | ||||
10316 | return getDerived().RebuildOMPDeviceClause( | ||||
10317 | C->getModifier(), E.get(), C->getBeginLoc(), C->getLParenLoc(), | ||||
10318 | C->getModifierLoc(), C->getEndLoc()); | ||||
10319 | } | ||||
10320 | |||||
10321 | template <typename Derived, class T> | ||||
10322 | bool transformOMPMappableExprListClause( | ||||
10323 | TreeTransform<Derived> &TT, OMPMappableExprListClause<T> *C, | ||||
10324 | llvm::SmallVectorImpl<Expr *> &Vars, CXXScopeSpec &MapperIdScopeSpec, | ||||
10325 | DeclarationNameInfo &MapperIdInfo, | ||||
10326 | llvm::SmallVectorImpl<Expr *> &UnresolvedMappers) { | ||||
10327 | // Transform expressions in the list. | ||||
10328 | Vars.reserve(C->varlist_size()); | ||||
10329 | for (auto *VE : C->varlists()) { | ||||
10330 | ExprResult EVar = TT.getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10331 | if (EVar.isInvalid()) | ||||
10332 | return true; | ||||
10333 | Vars.push_back(EVar.get()); | ||||
10334 | } | ||||
10335 | // Transform mapper scope specifier and identifier. | ||||
10336 | NestedNameSpecifierLoc QualifierLoc; | ||||
10337 | if (C->getMapperQualifierLoc()) { | ||||
10338 | QualifierLoc = TT.getDerived().TransformNestedNameSpecifierLoc( | ||||
10339 | C->getMapperQualifierLoc()); | ||||
10340 | if (!QualifierLoc) | ||||
10341 | return true; | ||||
10342 | } | ||||
10343 | MapperIdScopeSpec.Adopt(QualifierLoc); | ||||
10344 | MapperIdInfo = C->getMapperIdInfo(); | ||||
10345 | if (MapperIdInfo.getName()) { | ||||
10346 | MapperIdInfo = TT.getDerived().TransformDeclarationNameInfo(MapperIdInfo); | ||||
10347 | if (!MapperIdInfo.getName()) | ||||
10348 | return true; | ||||
10349 | } | ||||
10350 | // Build a list of all candidate OMPDeclareMapperDecls, which is provided by | ||||
10351 | // the previous user-defined mapper lookup in dependent environment. | ||||
10352 | for (auto *E : C->mapperlists()) { | ||||
10353 | // Transform all the decls. | ||||
10354 | if (E) { | ||||
10355 | auto *ULE = cast<UnresolvedLookupExpr>(E); | ||||
10356 | UnresolvedSet<8> Decls; | ||||
10357 | for (auto *D : ULE->decls()) { | ||||
10358 | NamedDecl *InstD = | ||||
10359 | cast<NamedDecl>(TT.getDerived().TransformDecl(E->getExprLoc(), D)); | ||||
10360 | Decls.addDecl(InstD, InstD->getAccess()); | ||||
10361 | } | ||||
10362 | UnresolvedMappers.push_back(UnresolvedLookupExpr::Create( | ||||
10363 | TT.getSema().Context, /*NamingClass=*/nullptr, | ||||
10364 | MapperIdScopeSpec.getWithLocInContext(TT.getSema().Context), | ||||
10365 | MapperIdInfo, /*ADL=*/true, ULE->isOverloaded(), Decls.begin(), | ||||
10366 | Decls.end())); | ||||
10367 | } else { | ||||
10368 | UnresolvedMappers.push_back(nullptr); | ||||
10369 | } | ||||
10370 | } | ||||
10371 | return false; | ||||
10372 | } | ||||
10373 | |||||
10374 | template <typename Derived> | ||||
10375 | OMPClause *TreeTransform<Derived>::TransformOMPMapClause(OMPMapClause *C) { | ||||
10376 | OMPVarListLocTy Locs(C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10377 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10378 | Expr *IteratorModifier = C->getIteratorModifier(); | ||||
10379 | if (IteratorModifier) { | ||||
10380 | ExprResult MapModRes = getDerived().TransformExpr(IteratorModifier); | ||||
10381 | if (MapModRes.isInvalid()) | ||||
10382 | return nullptr; | ||||
10383 | IteratorModifier = MapModRes.get(); | ||||
10384 | } | ||||
10385 | CXXScopeSpec MapperIdScopeSpec; | ||||
10386 | DeclarationNameInfo MapperIdInfo; | ||||
10387 | llvm::SmallVector<Expr *, 16> UnresolvedMappers; | ||||
10388 | if (transformOMPMappableExprListClause<Derived, OMPMapClause>( | ||||
10389 | *this, C, Vars, MapperIdScopeSpec, MapperIdInfo, UnresolvedMappers)) | ||||
10390 | return nullptr; | ||||
10391 | return getDerived().RebuildOMPMapClause( | ||||
10392 | IteratorModifier, C->getMapTypeModifiers(), C->getMapTypeModifiersLoc(), | ||||
10393 | MapperIdScopeSpec, MapperIdInfo, C->getMapType(), C->isImplicitMapType(), | ||||
10394 | C->getMapLoc(), C->getColonLoc(), Vars, Locs, UnresolvedMappers); | ||||
10395 | } | ||||
10396 | |||||
10397 | template <typename Derived> | ||||
10398 | OMPClause * | ||||
10399 | TreeTransform<Derived>::TransformOMPAllocateClause(OMPAllocateClause *C) { | ||||
10400 | Expr *Allocator = C->getAllocator(); | ||||
10401 | if (Allocator) { | ||||
10402 | ExprResult AllocatorRes = getDerived().TransformExpr(Allocator); | ||||
10403 | if (AllocatorRes.isInvalid()) | ||||
10404 | return nullptr; | ||||
10405 | Allocator = AllocatorRes.get(); | ||||
10406 | } | ||||
10407 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10408 | Vars.reserve(C->varlist_size()); | ||||
10409 | for (auto *VE : C->varlists()) { | ||||
10410 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10411 | if (EVar.isInvalid()) | ||||
10412 | return nullptr; | ||||
10413 | Vars.push_back(EVar.get()); | ||||
10414 | } | ||||
10415 | return getDerived().RebuildOMPAllocateClause( | ||||
10416 | Allocator, Vars, C->getBeginLoc(), C->getLParenLoc(), C->getColonLoc(), | ||||
10417 | C->getEndLoc()); | ||||
10418 | } | ||||
10419 | |||||
10420 | template <typename Derived> | ||||
10421 | OMPClause * | ||||
10422 | TreeTransform<Derived>::TransformOMPNumTeamsClause(OMPNumTeamsClause *C) { | ||||
10423 | ExprResult E = getDerived().TransformExpr(C->getNumTeams()); | ||||
10424 | if (E.isInvalid()) | ||||
10425 | return nullptr; | ||||
10426 | return getDerived().RebuildOMPNumTeamsClause( | ||||
10427 | E.get(), C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10428 | } | ||||
10429 | |||||
10430 | template <typename Derived> | ||||
10431 | OMPClause * | ||||
10432 | TreeTransform<Derived>::TransformOMPThreadLimitClause(OMPThreadLimitClause *C) { | ||||
10433 | ExprResult E = getDerived().TransformExpr(C->getThreadLimit()); | ||||
10434 | if (E.isInvalid()) | ||||
10435 | return nullptr; | ||||
10436 | return getDerived().RebuildOMPThreadLimitClause( | ||||
10437 | E.get(), C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10438 | } | ||||
10439 | |||||
10440 | template <typename Derived> | ||||
10441 | OMPClause * | ||||
10442 | TreeTransform<Derived>::TransformOMPPriorityClause(OMPPriorityClause *C) { | ||||
10443 | ExprResult E = getDerived().TransformExpr(C->getPriority()); | ||||
10444 | if (E.isInvalid()) | ||||
10445 | return nullptr; | ||||
10446 | return getDerived().RebuildOMPPriorityClause( | ||||
10447 | E.get(), C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10448 | } | ||||
10449 | |||||
10450 | template <typename Derived> | ||||
10451 | OMPClause * | ||||
10452 | TreeTransform<Derived>::TransformOMPGrainsizeClause(OMPGrainsizeClause *C) { | ||||
10453 | ExprResult E = getDerived().TransformExpr(C->getGrainsize()); | ||||
10454 | if (E.isInvalid()) | ||||
10455 | return nullptr; | ||||
10456 | return getDerived().RebuildOMPGrainsizeClause( | ||||
10457 | C->getModifier(), E.get(), C->getBeginLoc(), C->getLParenLoc(), | ||||
10458 | C->getModifierLoc(), C->getEndLoc()); | ||||
10459 | } | ||||
10460 | |||||
10461 | template <typename Derived> | ||||
10462 | OMPClause * | ||||
10463 | TreeTransform<Derived>::TransformOMPNumTasksClause(OMPNumTasksClause *C) { | ||||
10464 | ExprResult E = getDerived().TransformExpr(C->getNumTasks()); | ||||
10465 | if (E.isInvalid()) | ||||
10466 | return nullptr; | ||||
10467 | return getDerived().RebuildOMPNumTasksClause( | ||||
10468 | C->getModifier(), E.get(), C->getBeginLoc(), C->getLParenLoc(), | ||||
10469 | C->getModifierLoc(), C->getEndLoc()); | ||||
10470 | } | ||||
10471 | |||||
10472 | template <typename Derived> | ||||
10473 | OMPClause *TreeTransform<Derived>::TransformOMPHintClause(OMPHintClause *C) { | ||||
10474 | ExprResult E = getDerived().TransformExpr(C->getHint()); | ||||
10475 | if (E.isInvalid()) | ||||
10476 | return nullptr; | ||||
10477 | return getDerived().RebuildOMPHintClause(E.get(), C->getBeginLoc(), | ||||
10478 | C->getLParenLoc(), C->getEndLoc()); | ||||
10479 | } | ||||
10480 | |||||
10481 | template <typename Derived> | ||||
10482 | OMPClause *TreeTransform<Derived>::TransformOMPDistScheduleClause( | ||||
10483 | OMPDistScheduleClause *C) { | ||||
10484 | ExprResult E = getDerived().TransformExpr(C->getChunkSize()); | ||||
10485 | if (E.isInvalid()) | ||||
10486 | return nullptr; | ||||
10487 | return getDerived().RebuildOMPDistScheduleClause( | ||||
10488 | C->getDistScheduleKind(), E.get(), C->getBeginLoc(), C->getLParenLoc(), | ||||
10489 | C->getDistScheduleKindLoc(), C->getCommaLoc(), C->getEndLoc()); | ||||
10490 | } | ||||
10491 | |||||
10492 | template <typename Derived> | ||||
10493 | OMPClause * | ||||
10494 | TreeTransform<Derived>::TransformOMPDefaultmapClause(OMPDefaultmapClause *C) { | ||||
10495 | // Rebuild Defaultmap Clause since we need to invoke the checking of | ||||
10496 | // defaultmap(none:variable-category) after template initialization. | ||||
10497 | return getDerived().RebuildOMPDefaultmapClause(C->getDefaultmapModifier(), | ||||
10498 | C->getDefaultmapKind(), | ||||
10499 | C->getBeginLoc(), | ||||
10500 | C->getLParenLoc(), | ||||
10501 | C->getDefaultmapModifierLoc(), | ||||
10502 | C->getDefaultmapKindLoc(), | ||||
10503 | C->getEndLoc()); | ||||
10504 | } | ||||
10505 | |||||
10506 | template <typename Derived> | ||||
10507 | OMPClause *TreeTransform<Derived>::TransformOMPToClause(OMPToClause *C) { | ||||
10508 | OMPVarListLocTy Locs(C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10509 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10510 | CXXScopeSpec MapperIdScopeSpec; | ||||
10511 | DeclarationNameInfo MapperIdInfo; | ||||
10512 | llvm::SmallVector<Expr *, 16> UnresolvedMappers; | ||||
10513 | if (transformOMPMappableExprListClause<Derived, OMPToClause>( | ||||
10514 | *this, C, Vars, MapperIdScopeSpec, MapperIdInfo, UnresolvedMappers)) | ||||
10515 | return nullptr; | ||||
10516 | return getDerived().RebuildOMPToClause( | ||||
10517 | C->getMotionModifiers(), C->getMotionModifiersLoc(), MapperIdScopeSpec, | ||||
10518 | MapperIdInfo, C->getColonLoc(), Vars, Locs, UnresolvedMappers); | ||||
10519 | } | ||||
10520 | |||||
10521 | template <typename Derived> | ||||
10522 | OMPClause *TreeTransform<Derived>::TransformOMPFromClause(OMPFromClause *C) { | ||||
10523 | OMPVarListLocTy Locs(C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10524 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10525 | CXXScopeSpec MapperIdScopeSpec; | ||||
10526 | DeclarationNameInfo MapperIdInfo; | ||||
10527 | llvm::SmallVector<Expr *, 16> UnresolvedMappers; | ||||
10528 | if (transformOMPMappableExprListClause<Derived, OMPFromClause>( | ||||
10529 | *this, C, Vars, MapperIdScopeSpec, MapperIdInfo, UnresolvedMappers)) | ||||
10530 | return nullptr; | ||||
10531 | return getDerived().RebuildOMPFromClause( | ||||
10532 | C->getMotionModifiers(), C->getMotionModifiersLoc(), MapperIdScopeSpec, | ||||
10533 | MapperIdInfo, C->getColonLoc(), Vars, Locs, UnresolvedMappers); | ||||
10534 | } | ||||
10535 | |||||
10536 | template <typename Derived> | ||||
10537 | OMPClause *TreeTransform<Derived>::TransformOMPUseDevicePtrClause( | ||||
10538 | OMPUseDevicePtrClause *C) { | ||||
10539 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10540 | Vars.reserve(C->varlist_size()); | ||||
10541 | for (auto *VE : C->varlists()) { | ||||
10542 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10543 | if (EVar.isInvalid()) | ||||
10544 | return nullptr; | ||||
10545 | Vars.push_back(EVar.get()); | ||||
10546 | } | ||||
10547 | OMPVarListLocTy Locs(C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10548 | return getDerived().RebuildOMPUseDevicePtrClause(Vars, Locs); | ||||
10549 | } | ||||
10550 | |||||
10551 | template <typename Derived> | ||||
10552 | OMPClause *TreeTransform<Derived>::TransformOMPUseDeviceAddrClause( | ||||
10553 | OMPUseDeviceAddrClause *C) { | ||||
10554 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10555 | Vars.reserve(C->varlist_size()); | ||||
10556 | for (auto *VE : C->varlists()) { | ||||
10557 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10558 | if (EVar.isInvalid()) | ||||
10559 | return nullptr; | ||||
10560 | Vars.push_back(EVar.get()); | ||||
10561 | } | ||||
10562 | OMPVarListLocTy Locs(C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10563 | return getDerived().RebuildOMPUseDeviceAddrClause(Vars, Locs); | ||||
10564 | } | ||||
10565 | |||||
10566 | template <typename Derived> | ||||
10567 | OMPClause * | ||||
10568 | TreeTransform<Derived>::TransformOMPIsDevicePtrClause(OMPIsDevicePtrClause *C) { | ||||
10569 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10570 | Vars.reserve(C->varlist_size()); | ||||
10571 | for (auto *VE : C->varlists()) { | ||||
10572 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10573 | if (EVar.isInvalid()) | ||||
10574 | return nullptr; | ||||
10575 | Vars.push_back(EVar.get()); | ||||
10576 | } | ||||
10577 | OMPVarListLocTy Locs(C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10578 | return getDerived().RebuildOMPIsDevicePtrClause(Vars, Locs); | ||||
10579 | } | ||||
10580 | |||||
10581 | template <typename Derived> | ||||
10582 | OMPClause *TreeTransform<Derived>::TransformOMPHasDeviceAddrClause( | ||||
10583 | OMPHasDeviceAddrClause *C) { | ||||
10584 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10585 | Vars.reserve(C->varlist_size()); | ||||
10586 | for (auto *VE : C->varlists()) { | ||||
10587 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10588 | if (EVar.isInvalid()) | ||||
10589 | return nullptr; | ||||
10590 | Vars.push_back(EVar.get()); | ||||
10591 | } | ||||
10592 | OMPVarListLocTy Locs(C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10593 | return getDerived().RebuildOMPHasDeviceAddrClause(Vars, Locs); | ||||
10594 | } | ||||
10595 | |||||
10596 | template <typename Derived> | ||||
10597 | OMPClause * | ||||
10598 | TreeTransform<Derived>::TransformOMPNontemporalClause(OMPNontemporalClause *C) { | ||||
10599 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10600 | Vars.reserve(C->varlist_size()); | ||||
10601 | for (auto *VE : C->varlists()) { | ||||
10602 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10603 | if (EVar.isInvalid()) | ||||
10604 | return nullptr; | ||||
10605 | Vars.push_back(EVar.get()); | ||||
10606 | } | ||||
10607 | return getDerived().RebuildOMPNontemporalClause( | ||||
10608 | Vars, C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10609 | } | ||||
10610 | |||||
10611 | template <typename Derived> | ||||
10612 | OMPClause * | ||||
10613 | TreeTransform<Derived>::TransformOMPInclusiveClause(OMPInclusiveClause *C) { | ||||
10614 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10615 | Vars.reserve(C->varlist_size()); | ||||
10616 | for (auto *VE : C->varlists()) { | ||||
10617 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10618 | if (EVar.isInvalid()) | ||||
10619 | return nullptr; | ||||
10620 | Vars.push_back(EVar.get()); | ||||
10621 | } | ||||
10622 | return getDerived().RebuildOMPInclusiveClause( | ||||
10623 | Vars, C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10624 | } | ||||
10625 | |||||
10626 | template <typename Derived> | ||||
10627 | OMPClause * | ||||
10628 | TreeTransform<Derived>::TransformOMPExclusiveClause(OMPExclusiveClause *C) { | ||||
10629 | llvm::SmallVector<Expr *, 16> Vars; | ||||
10630 | Vars.reserve(C->varlist_size()); | ||||
10631 | for (auto *VE : C->varlists()) { | ||||
10632 | ExprResult EVar = getDerived().TransformExpr(cast<Expr>(VE)); | ||||
10633 | if (EVar.isInvalid()) | ||||
10634 | return nullptr; | ||||
10635 | Vars.push_back(EVar.get()); | ||||
10636 | } | ||||
10637 | return getDerived().RebuildOMPExclusiveClause( | ||||
10638 | Vars, C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10639 | } | ||||
10640 | |||||
10641 | template <typename Derived> | ||||
10642 | OMPClause *TreeTransform<Derived>::TransformOMPUsesAllocatorsClause( | ||||
10643 | OMPUsesAllocatorsClause *C) { | ||||
10644 | SmallVector<Sema::UsesAllocatorsData, 16> Data; | ||||
10645 | Data.reserve(C->getNumberOfAllocators()); | ||||
10646 | for (unsigned I = 0, E = C->getNumberOfAllocators(); I < E; ++I) { | ||||
10647 | OMPUsesAllocatorsClause::Data D = C->getAllocatorData(I); | ||||
10648 | ExprResult Allocator = getDerived().TransformExpr(D.Allocator); | ||||
10649 | if (Allocator.isInvalid()) | ||||
10650 | continue; | ||||
10651 | ExprResult AllocatorTraits; | ||||
10652 | if (Expr *AT = D.AllocatorTraits) { | ||||
10653 | AllocatorTraits = getDerived().TransformExpr(AT); | ||||
10654 | if (AllocatorTraits.isInvalid()) | ||||
10655 | continue; | ||||
10656 | } | ||||
10657 | Sema::UsesAllocatorsData &NewD = Data.emplace_back(); | ||||
10658 | NewD.Allocator = Allocator.get(); | ||||
10659 | NewD.AllocatorTraits = AllocatorTraits.get(); | ||||
10660 | NewD.LParenLoc = D.LParenLoc; | ||||
10661 | NewD.RParenLoc = D.RParenLoc; | ||||
10662 | } | ||||
10663 | return getDerived().RebuildOMPUsesAllocatorsClause( | ||||
10664 | Data, C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10665 | } | ||||
10666 | |||||
10667 | template <typename Derived> | ||||
10668 | OMPClause * | ||||
10669 | TreeTransform<Derived>::TransformOMPAffinityClause(OMPAffinityClause *C) { | ||||
10670 | SmallVector<Expr *, 4> Locators; | ||||
10671 | Locators.reserve(C->varlist_size()); | ||||
10672 | ExprResult ModifierRes; | ||||
10673 | if (Expr *Modifier = C->getModifier()) { | ||||
10674 | ModifierRes = getDerived().TransformExpr(Modifier); | ||||
10675 | if (ModifierRes.isInvalid()) | ||||
10676 | return nullptr; | ||||
10677 | } | ||||
10678 | for (Expr *E : C->varlists()) { | ||||
10679 | ExprResult Locator = getDerived().TransformExpr(E); | ||||
10680 | if (Locator.isInvalid()) | ||||
10681 | continue; | ||||
10682 | Locators.push_back(Locator.get()); | ||||
10683 | } | ||||
10684 | return getDerived().RebuildOMPAffinityClause( | ||||
10685 | C->getBeginLoc(), C->getLParenLoc(), C->getColonLoc(), C->getEndLoc(), | ||||
10686 | ModifierRes.get(), Locators); | ||||
10687 | } | ||||
10688 | |||||
10689 | template <typename Derived> | ||||
10690 | OMPClause *TreeTransform<Derived>::TransformOMPOrderClause(OMPOrderClause *C) { | ||||
10691 | return getDerived().RebuildOMPOrderClause( | ||||
10692 | C->getKind(), C->getKindKwLoc(), C->getBeginLoc(), C->getLParenLoc(), | ||||
10693 | C->getEndLoc(), C->getModifier(), C->getModifierKwLoc()); | ||||
10694 | } | ||||
10695 | |||||
10696 | template <typename Derived> | ||||
10697 | OMPClause *TreeTransform<Derived>::TransformOMPBindClause(OMPBindClause *C) { | ||||
10698 | return getDerived().RebuildOMPBindClause( | ||||
10699 | C->getBindKind(), C->getBindKindLoc(), C->getBeginLoc(), | ||||
10700 | C->getLParenLoc(), C->getEndLoc()); | ||||
10701 | } | ||||
10702 | |||||
10703 | template <typename Derived> | ||||
10704 | OMPClause *TreeTransform<Derived>::TransformOMPXDynCGroupMemClause( | ||||
10705 | OMPXDynCGroupMemClause *C) { | ||||
10706 | ExprResult Size = getDerived().TransformExpr(C->getSize()); | ||||
10707 | if (Size.isInvalid()) | ||||
10708 | return nullptr; | ||||
10709 | return getDerived().RebuildOMPXDynCGroupMemClause( | ||||
10710 | Size.get(), C->getBeginLoc(), C->getLParenLoc(), C->getEndLoc()); | ||||
10711 | } | ||||
10712 | |||||
10713 | //===----------------------------------------------------------------------===// | ||||
10714 | // Expression transformation | ||||
10715 | //===----------------------------------------------------------------------===// | ||||
10716 | template<typename Derived> | ||||
10717 | ExprResult | ||||
10718 | TreeTransform<Derived>::TransformConstantExpr(ConstantExpr *E) { | ||||
10719 | return TransformExpr(E->getSubExpr()); | ||||
10720 | } | ||||
10721 | |||||
10722 | template <typename Derived> | ||||
10723 | ExprResult TreeTransform<Derived>::TransformSYCLUniqueStableNameExpr( | ||||
10724 | SYCLUniqueStableNameExpr *E) { | ||||
10725 | if (!E->isTypeDependent()) | ||||
10726 | return E; | ||||
10727 | |||||
10728 | TypeSourceInfo *NewT = getDerived().TransformType(E->getTypeSourceInfo()); | ||||
10729 | |||||
10730 | if (!NewT) | ||||
10731 | return ExprError(); | ||||
10732 | |||||
10733 | if (!getDerived().AlwaysRebuild() && E->getTypeSourceInfo() == NewT) | ||||
10734 | return E; | ||||
10735 | |||||
10736 | return getDerived().RebuildSYCLUniqueStableNameExpr( | ||||
10737 | E->getLocation(), E->getLParenLocation(), E->getRParenLocation(), NewT); | ||||
10738 | } | ||||
10739 | |||||
10740 | template<typename Derived> | ||||
10741 | ExprResult | ||||
10742 | TreeTransform<Derived>::TransformPredefinedExpr(PredefinedExpr *E) { | ||||
10743 | if (!E->isTypeDependent()) | ||||
10744 | return E; | ||||
10745 | |||||
10746 | return getDerived().RebuildPredefinedExpr(E->getLocation(), | ||||
10747 | E->getIdentKind()); | ||||
10748 | } | ||||
10749 | |||||
10750 | template<typename Derived> | ||||
10751 | ExprResult | ||||
10752 | TreeTransform<Derived>::TransformDeclRefExpr(DeclRefExpr *E) { | ||||
10753 | NestedNameSpecifierLoc QualifierLoc; | ||||
10754 | if (E->getQualifierLoc()) { | ||||
10755 | QualifierLoc | ||||
10756 | = getDerived().TransformNestedNameSpecifierLoc(E->getQualifierLoc()); | ||||
10757 | if (!QualifierLoc) | ||||
10758 | return ExprError(); | ||||
10759 | } | ||||
10760 | |||||
10761 | ValueDecl *ND | ||||
10762 | = cast_or_null<ValueDecl>(getDerived().TransformDecl(E->getLocation(), | ||||
10763 | E->getDecl())); | ||||
10764 | if (!ND) | ||||
10765 | return ExprError(); | ||||
10766 | |||||
10767 | NamedDecl *Found = ND; | ||||
10768 | if (E->getFoundDecl() != E->getDecl()) { | ||||
10769 | Found = cast_or_null<NamedDecl>( | ||||
10770 | getDerived().TransformDecl(E->getLocation(), E->getFoundDecl())); | ||||
10771 | if (!Found) | ||||
10772 | return ExprError(); | ||||
10773 | } | ||||
10774 | |||||
10775 | DeclarationNameInfo NameInfo = E->getNameInfo(); | ||||
10776 | if (NameInfo.getName()) { | ||||
10777 | NameInfo = getDerived().TransformDeclarationNameInfo(NameInfo); | ||||
10778 | if (!NameInfo.getName()) | ||||
10779 | return ExprError(); | ||||
10780 | } | ||||
10781 | |||||
10782 | if (!getDerived().AlwaysRebuild() && | ||||
10783 | QualifierLoc == E->getQualifierLoc() && | ||||
10784 | ND == E->getDecl() && | ||||
10785 | Found == E->getFoundDecl() && | ||||
10786 | NameInfo.getName() == E->getDecl()->getDeclName() && | ||||
10787 | !E->hasExplicitTemplateArgs()) { | ||||
10788 | |||||
10789 | // Mark it referenced in the new context regardless. | ||||
10790 | // FIXME: this is a bit instantiation-specific. | ||||
10791 | SemaRef.MarkDeclRefReferenced(E); | ||||
10792 | |||||
10793 | return E; | ||||
10794 | } | ||||
10795 | |||||
10796 | TemplateArgumentListInfo TransArgs, *TemplateArgs = nullptr; | ||||
10797 | if (E->hasExplicitTemplateArgs()) { | ||||
10798 | TemplateArgs = &TransArgs; | ||||
10799 | TransArgs.setLAngleLoc(E->getLAngleLoc()); | ||||
10800 | TransArgs.setRAngleLoc(E->getRAngleLoc()); | ||||
10801 | if (getDerived().TransformTemplateArguments(E->getTemplateArgs(), | ||||
10802 | E->getNumTemplateArgs(), | ||||
10803 | TransArgs)) | ||||
10804 | return ExprError(); | ||||
10805 | } | ||||
10806 | |||||
10807 | return getDerived().RebuildDeclRefExpr(QualifierLoc, ND, NameInfo, | ||||
10808 | Found, TemplateArgs); | ||||
10809 | } | ||||
10810 | |||||
10811 | template<typename Derived> | ||||
10812 | ExprResult | ||||
10813 | TreeTransform<Derived>::TransformIntegerLiteral(IntegerLiteral *E) { | ||||
10814 | return E; | ||||
10815 | } | ||||
10816 | |||||
10817 | template <typename Derived> | ||||
10818 | ExprResult TreeTransform<Derived>::TransformFixedPointLiteral( | ||||
10819 | FixedPointLiteral *E) { | ||||
10820 | return E; | ||||
10821 | } | ||||
10822 | |||||
10823 | template<typename Derived> | ||||
10824 | ExprResult | ||||
10825 | TreeTransform<Derived>::TransformFloatingLiteral(FloatingLiteral *E) { | ||||
10826 | return E; | ||||
10827 | } | ||||
10828 | |||||
10829 | template<typename Derived> | ||||
10830 | ExprResult | ||||
10831 | TreeTransform<Derived>::TransformImaginaryLiteral(ImaginaryLiteral *E) { | ||||
10832 | return E; | ||||
10833 | } | ||||
10834 | |||||
10835 | template<typename Derived> | ||||
10836 | ExprResult | ||||
10837 | TreeTransform<Derived>::TransformStringLiteral(StringLiteral *E) { | ||||
10838 | return E; | ||||
10839 | } | ||||
10840 | |||||
10841 | template<typename Derived> | ||||
10842 | ExprResult | ||||
10843 | TreeTransform<Derived>::TransformCharacterLiteral(CharacterLiteral *E) { | ||||
10844 | return E; | ||||
10845 | } | ||||
10846 | |||||
10847 | template<typename Derived> | ||||
10848 | ExprResult | ||||
10849 | TreeTransform<Derived>::TransformUserDefinedLiteral(UserDefinedLiteral *E) { | ||||
10850 | return getDerived().TransformCallExpr(E); | ||||
10851 | } | ||||
10852 | |||||
10853 | template<typename Derived> | ||||
10854 | ExprResult | ||||
10855 | TreeTransform<Derived>::TransformGenericSelectionExpr(GenericSelectionExpr *E) { | ||||
10856 | ExprResult ControllingExpr = | ||||
10857 | getDerived().TransformExpr(E->getControllingExpr()); | ||||
10858 | if (ControllingExpr.isInvalid()) | ||||
10859 | return ExprError(); | ||||
10860 | |||||
10861 | SmallVector<Expr *, 4> AssocExprs; | ||||
10862 | SmallVector<TypeSourceInfo *, 4> AssocTypes; | ||||
10863 | for (const GenericSelectionExpr::Association Assoc : E->associations()) { | ||||
10864 | TypeSourceInfo *TSI = Assoc.getTypeSourceInfo(); | ||||
10865 | if (TSI) { | ||||
10866 | TypeSourceInfo *AssocType = getDerived().TransformType(TSI); | ||||
10867 | if (!AssocType) | ||||
10868 | return ExprError(); | ||||
10869 | AssocTypes.push_back(AssocType); | ||||
10870 | } else { | ||||
10871 | AssocTypes.push_back(nullptr); | ||||
10872 | } | ||||
10873 | |||||
10874 | ExprResult AssocExpr = | ||||
10875 | getDerived().TransformExpr(Assoc.getAssociationExpr()); | ||||
10876 | if (AssocExpr.isInvalid()) | ||||
10877 | return ExprError(); | ||||
10878 | AssocExprs.push_back(AssocExpr.get()); | ||||
10879 | } | ||||
10880 | |||||
10881 | return getDerived().RebuildGenericSelectionExpr(E->getGenericLoc(), | ||||
10882 | E->getDefaultLoc(), | ||||
10883 | E->getRParenLoc(), | ||||
10884 | ControllingExpr.get(), | ||||
10885 | AssocTypes, | ||||
10886 | AssocExprs); | ||||
10887 | } | ||||
10888 | |||||
10889 | template<typename Derived> | ||||
10890 | ExprResult | ||||
10891 | TreeTransform<Derived>::TransformParenExpr(ParenExpr *E) { | ||||
10892 | ExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); | ||||
10893 | if (SubExpr.isInvalid()) | ||||
10894 | return ExprError(); | ||||
10895 | |||||
10896 | if (!getDerived().AlwaysRebuild() && SubExpr.get() == E->getSubExpr()) | ||||
10897 | return E; | ||||
10898 | |||||
10899 | return getDerived().RebuildParenExpr(SubExpr.get(), E->getLParen(), | ||||
10900 | E->getRParen()); | ||||
10901 | } | ||||
10902 | |||||
10903 | /// The operand of a unary address-of operator has special rules: it's | ||||
10904 | /// allowed to refer to a non-static member of a class even if there's no 'this' | ||||
10905 | /// object available. | ||||
10906 | template<typename Derived> | ||||
10907 | ExprResult | ||||
10908 | TreeTransform<Derived>::TransformAddressOfOperand(Expr *E) { | ||||
10909 | if (DependentScopeDeclRefExpr *DRE = dyn_cast<DependentScopeDeclRefExpr>(E)) | ||||
10910 | return getDerived().TransformDependentScopeDeclRefExpr(DRE, true, nullptr); | ||||
10911 | else | ||||
10912 | return getDerived().TransformExpr(E); | ||||
10913 | } | ||||
10914 | |||||
10915 | template<typename Derived> | ||||
10916 | ExprResult | ||||
10917 | TreeTransform<Derived>::TransformUnaryOperator(UnaryOperator *E) { | ||||
10918 | ExprResult SubExpr; | ||||
10919 | if (E->getOpcode() == UO_AddrOf) | ||||
10920 | SubExpr = TransformAddressOfOperand(E->getSubExpr()); | ||||
10921 | else | ||||
10922 | SubExpr = TransformExpr(E->getSubExpr()); | ||||
10923 | if (SubExpr.isInvalid()) | ||||
10924 | return ExprError(); | ||||
10925 | |||||
10926 | if (!getDerived().AlwaysRebuild() && SubExpr.get() == E->getSubExpr()) | ||||
10927 | return E; | ||||
10928 | |||||
10929 | return getDerived().RebuildUnaryOperator(E->getOperatorLoc(), | ||||
10930 | E->getOpcode(), | ||||
10931 | SubExpr.get()); | ||||
10932 | } | ||||
10933 | |||||
10934 | template<typename Derived> | ||||
10935 | ExprResult | ||||
10936 | TreeTransform<Derived>::TransformOffsetOfExpr(OffsetOfExpr *E) { | ||||
10937 | // Transform the type. | ||||
10938 | TypeSourceInfo *Type = getDerived().TransformType(E->getTypeSourceInfo()); | ||||
10939 | if (!Type) | ||||
10940 | return ExprError(); | ||||
10941 | |||||
10942 | // Transform all of the components into components similar to what the | ||||
10943 | // parser uses. | ||||
10944 | // FIXME: It would be slightly more efficient in the non-dependent case to | ||||
10945 | // just map FieldDecls, rather than requiring the rebuilder to look for | ||||
10946 | // the fields again. However, __builtin_offsetof is rare enough in | ||||
10947 | // template code that we don't care. | ||||
10948 | bool ExprChanged = false; | ||||
10949 | typedef Sema::OffsetOfComponent Component; | ||||
10950 | SmallVector<Component, 4> Components; | ||||
10951 | for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) { | ||||
10952 | const OffsetOfNode &ON = E->getComponent(I); | ||||
10953 | Component Comp; | ||||
10954 | Comp.isBrackets = true; | ||||
10955 | Comp.LocStart = ON.getSourceRange().getBegin(); | ||||
10956 | Comp.LocEnd = ON.getSourceRange().getEnd(); | ||||
10957 | switch (ON.getKind()) { | ||||
10958 | case OffsetOfNode::Array: { | ||||
10959 | Expr *FromIndex = E->getIndexExpr(ON.getArrayExprIndex()); | ||||
10960 | ExprResult Index = getDerived().TransformExpr(FromIndex); | ||||
10961 | if (Index.isInvalid()) | ||||
10962 | return ExprError(); | ||||
10963 | |||||
10964 | ExprChanged = ExprChanged || Index.get() != FromIndex; | ||||
10965 | Comp.isBrackets = true; | ||||
10966 | Comp.U.E = Index.get(); | ||||
10967 | break; | ||||
10968 | } | ||||
10969 | |||||
10970 | case OffsetOfNode::Field: | ||||
10971 | case OffsetOfNode::Identifier: | ||||
10972 | Comp.isBrackets = false; | ||||
10973 | Comp.U.IdentInfo = ON.getFieldName(); | ||||
10974 | if (!Comp.U.IdentInfo) | ||||
10975 | continue; | ||||
10976 | |||||
10977 | break; | ||||
10978 | |||||
10979 | case OffsetOfNode::Base: | ||||
10980 | // Will be recomputed during the rebuild. | ||||
10981 | continue; | ||||
10982 | } | ||||
10983 | |||||
10984 | Components.push_back(Comp); | ||||
10985 | } | ||||
10986 | |||||
10987 | // If nothing changed, retain the existing expression. | ||||
10988 | if (!getDerived().AlwaysRebuild() && | ||||
10989 | Type == E->getTypeSourceInfo() && | ||||
10990 | !ExprChanged) | ||||
10991 | return E; | ||||
10992 | |||||
10993 | // Build a new offsetof expression. | ||||
10994 | return getDerived().RebuildOffsetOfExpr(E->getOperatorLoc(), Type, | ||||
10995 | Components, E->getRParenLoc()); | ||||
10996 | } | ||||
10997 | |||||
10998 | template<typename Derived> | ||||
10999 | ExprResult | ||||
11000 | TreeTransform<Derived>::TransformOpaqueValueExpr(OpaqueValueExpr *E) { | ||||
11001 | assert((!E->getSourceExpr() || getDerived().AlreadyTransformed(E->getType())) &&(static_cast <bool> ((!E->getSourceExpr() || getDerived ().AlreadyTransformed(E->getType())) && "opaque value expression requires transformation" ) ? void (0) : __assert_fail ("(!E->getSourceExpr() || getDerived().AlreadyTransformed(E->getType())) && \"opaque value expression requires transformation\"" , "clang/lib/Sema/TreeTransform.h", 11002, __extension__ __PRETTY_FUNCTION__ )) | ||||
11002 | "opaque value expression requires transformation")(static_cast <bool> ((!E->getSourceExpr() || getDerived ().AlreadyTransformed(E->getType())) && "opaque value expression requires transformation" ) ? void (0) : __assert_fail ("(!E->getSourceExpr() || getDerived().AlreadyTransformed(E->getType())) && \"opaque value expression requires transformation\"" , "clang/lib/Sema/TreeTransform.h", 11002, __extension__ __PRETTY_FUNCTION__ )); | ||||
11003 | return E; | ||||
11004 | } | ||||
11005 | |||||
11006 | template<typename Derived> | ||||
11007 | ExprResult | ||||
11008 | TreeTransform<Derived>::TransformTypoExpr(TypoExpr *E) { | ||||
11009 | return E; | ||||
11010 | } | ||||
11011 | |||||
11012 | template <typename Derived> | ||||
11013 | ExprResult TreeTransform<Derived>::TransformRecoveryExpr(RecoveryExpr *E) { | ||||
11014 | llvm::SmallVector<Expr *, 8> Children; | ||||
11015 | bool Changed = false; | ||||
11016 | for (Expr *C : E->subExpressions()) { | ||||
11017 | ExprResult NewC = getDerived().TransformExpr(C); | ||||
11018 | if (NewC.isInvalid()) | ||||
11019 | return ExprError(); | ||||
11020 | Children.push_back(NewC.get()); | ||||
11021 | |||||
11022 | Changed |= NewC.get() != C; | ||||
11023 | } | ||||
11024 | if (!getDerived().AlwaysRebuild() && !Changed) | ||||
11025 | return E; | ||||
11026 | return getDerived().RebuildRecoveryExpr(E->getBeginLoc(), E->getEndLoc(), | ||||
11027 | Children, E->getType()); | ||||
11028 | } | ||||
11029 | |||||
11030 | template<typename Derived> | ||||
11031 | ExprResult | ||||
11032 | TreeTransform<Derived>::TransformPseudoObjectExpr(PseudoObjectExpr *E) { | ||||
11033 | // Rebuild the syntactic form. The original syntactic form has | ||||
11034 | // opaque-value expressions in it, so strip those away and rebuild | ||||
11035 | // the result. This is a really awful way of doing this, but the | ||||
11036 | // better solution (rebuilding the semantic expressions and | ||||
11037 | // rebinding OVEs as necessary) doesn't work; we'd need | ||||
11038 | // TreeTransform to not strip away implicit conversions. | ||||
11039 | Expr *newSyntacticForm = SemaRef.recreateSyntacticForm(E); | ||||
11040 | ExprResult result = getDerived().TransformExpr(newSyntacticForm); | ||||
11041 | if (result.isInvalid()) return ExprError(); | ||||
11042 | |||||
11043 | // If that gives us a pseudo-object result back, the pseudo-object | ||||
11044 | // expression must have been an lvalue-to-rvalue conversion which we | ||||
11045 | // should reapply. | ||||
11046 | if (result.get()->hasPlaceholderType(BuiltinType::PseudoObject)) | ||||
11047 | result = SemaRef.checkPseudoObjectRValue(result.get()); | ||||
11048 | |||||
11049 | return result; | ||||
11050 | } | ||||
11051 | |||||
11052 | template<typename Derived> | ||||
11053 | ExprResult | ||||
11054 | TreeTransform<Derived>::TransformUnaryExprOrTypeTraitExpr( | ||||
11055 | UnaryExprOrTypeTraitExpr *E) { | ||||
11056 | if (E->isArgumentType()) { | ||||
11057 | TypeSourceInfo *OldT = E->getArgumentTypeInfo(); | ||||
11058 | |||||
11059 | TypeSourceInfo *NewT = getDerived().TransformType(OldT); | ||||
11060 | if (!NewT) | ||||
11061 | return ExprError(); | ||||
11062 | |||||
11063 | if (!getDerived().AlwaysRebuild() && OldT == NewT) | ||||
11064 | return E; | ||||
11065 | |||||
11066 | return getDerived().RebuildUnaryExprOrTypeTrait(NewT, E->getOperatorLoc(), | ||||
11067 | E->getKind(), | ||||
11068 | E->getSourceRange()); | ||||
11069 | } | ||||
11070 | |||||
11071 | // C++0x [expr.sizeof]p1: | ||||
11072 | // The operand is either an expression, which is an unevaluated operand | ||||
11073 | // [...] | ||||
11074 | EnterExpressionEvaluationContext Unevaluated( | ||||
11075 | SemaRef, Sema::ExpressionEvaluationContext::Unevaluated, | ||||
11076 | Sema::ReuseLambdaContextDecl); | ||||
11077 | |||||
11078 | // Try to recover if we have something like sizeof(T::X) where X is a type. | ||||
11079 | // Notably, there must be *exactly* one set of parens if X is a type. | ||||
11080 | TypeSourceInfo *RecoveryTSI = nullptr; | ||||
11081 | ExprResult SubExpr; | ||||
11082 | auto *PE = dyn_cast<ParenExpr>(E->getArgumentExpr()); | ||||
11083 | if (auto *DRE = | ||||
11084 | PE ? dyn_cast<DependentScopeDeclRefExpr>(PE->getSubExpr()) : nullptr) | ||||
11085 | SubExpr = getDerived().TransformParenDependentScopeDeclRefExpr( | ||||
11086 | PE, DRE, false, &RecoveryTSI); | ||||
11087 | else | ||||
11088 | SubExpr = getDerived().TransformExpr(E->getArgumentExpr()); | ||||
11089 | |||||
11090 | if (RecoveryTSI) { | ||||
11091 | return getDerived().RebuildUnaryExprOrTypeTrait( | ||||
11092 | RecoveryTSI, E->getOperatorLoc(), E->getKind(), E->getSourceRange()); | ||||
11093 | } else if (SubExpr.isInvalid()) | ||||
11094 | return ExprError(); | ||||
11095 | |||||
11096 | if (!getDerived().AlwaysRebuild() && SubExpr.get() == E->getArgumentExpr()) | ||||
11097 | return E; | ||||
11098 | |||||
11099 | return getDerived().RebuildUnaryExprOrTypeTrait(SubExpr.get(), | ||||
11100 | E->getOperatorLoc(), | ||||
11101 | E->getKind(), | ||||
11102 | E->getSourceRange()); | ||||
11103 | } | ||||
11104 | |||||
11105 | template<typename Derived> | ||||
11106 | ExprResult | ||||
11107 | TreeTransform<Derived>::TransformArraySubscriptExpr(ArraySubscriptExpr *E) { | ||||
11108 | ExprResult LHS = getDerived().TransformExpr(E->getLHS()); | ||||
11109 | if (LHS.isInvalid()) | ||||
11110 | return ExprError(); | ||||
11111 | |||||
11112 | ExprResult RHS = getDerived().TransformExpr(E->getRHS()); | ||||
11113 | if (RHS.isInvalid()) | ||||
11114 | return ExprError(); | ||||
11115 | |||||
11116 | |||||
11117 | if (!getDerived().AlwaysRebuild() && | ||||
11118 | LHS.get() == E->getLHS() && | ||||
11119 | RHS.get() == E->getRHS()) | ||||
11120 | return E; | ||||
11121 | |||||
11122 | return getDerived().RebuildArraySubscriptExpr( | ||||
11123 | LHS.get(), | ||||
11124 | /*FIXME:*/ E->getLHS()->getBeginLoc(), RHS.get(), E->getRBracketLoc()); | ||||
11125 | } | ||||
11126 | |||||
11127 | template <typename Derived> | ||||
11128 | ExprResult | ||||
11129 | TreeTransform<Derived>::TransformMatrixSubscriptExpr(MatrixSubscriptExpr *E) { | ||||
11130 | ExprResult Base = getDerived().TransformExpr(E->getBase()); | ||||
11131 | if (Base.isInvalid()) | ||||
11132 | return ExprError(); | ||||
11133 | |||||
11134 | ExprResult RowIdx = getDerived().TransformExpr(E->getRowIdx()); | ||||
11135 | if (RowIdx.isInvalid()) | ||||
11136 | return ExprError(); | ||||
11137 | |||||
11138 | ExprResult ColumnIdx = getDerived().TransformExpr(E->getColumnIdx()); | ||||
11139 | if (ColumnIdx.isInvalid()) | ||||
11140 | return ExprError(); | ||||
11141 | |||||
11142 | if (!getDerived().AlwaysRebuild() && Base.get() == E->getBase() && | ||||
11143 | RowIdx.get() == E->getRowIdx() && ColumnIdx.get() == E->getColumnIdx()) | ||||
11144 | return E; | ||||
11145 | |||||
11146 | return getDerived().RebuildMatrixSubscriptExpr( | ||||
11147 | Base.get(), RowIdx.get(), ColumnIdx.get(), E->getRBracketLoc()); | ||||
11148 | } | ||||
11149 | |||||
11150 | template <typename Derived> | ||||
11151 | ExprResult | ||||
11152 | TreeTransform<Derived>::TransformOMPArraySectionExpr(OMPArraySectionExpr *E) { | ||||
11153 | ExprResult Base = getDerived().TransformExpr(E->getBase()); | ||||
11154 | if (Base.isInvalid()) | ||||
11155 | return ExprError(); | ||||
11156 | |||||
11157 | ExprResult LowerBound; | ||||
11158 | if (E->getLowerBound()) { | ||||
11159 | LowerBound = getDerived().TransformExpr(E->getLowerBound()); | ||||
11160 | if (LowerBound.isInvalid()) | ||||
11161 | return ExprError(); | ||||
11162 | } | ||||
11163 | |||||
11164 | ExprResult Length; | ||||
11165 | if (E->getLength()) { | ||||
11166 | Length = getDerived().TransformExpr(E->getLength()); | ||||
11167 | if (Length.isInvalid()) | ||||
11168 | return ExprError(); | ||||
11169 | } | ||||
11170 | |||||
11171 | ExprResult Stride; | ||||
11172 | if (Expr *Str = E->getStride()) { | ||||
11173 | Stride = getDerived().TransformExpr(Str); | ||||
11174 | if (Stride.isInvalid()) | ||||
11175 | return ExprError(); | ||||
11176 | } | ||||
11177 | |||||
11178 | if (!getDerived().AlwaysRebuild() && Base.get() == E->getBase() && | ||||
11179 | LowerBound.get() == E->getLowerBound() && Length.get() == E->getLength()) | ||||
11180 | return E; | ||||
11181 | |||||
11182 | return getDerived().RebuildOMPArraySectionExpr( | ||||
11183 | Base.get(), E->getBase()->getEndLoc(), LowerBound.get(), | ||||
11184 | E->getColonLocFirst(), E->getColonLocSecond(), Length.get(), Stride.get(), | ||||
11185 | E->getRBracketLoc()); | ||||
11186 | } | ||||
11187 | |||||
11188 | template <typename Derived> | ||||
11189 | ExprResult | ||||
11190 | TreeTransform<Derived>::TransformOMPArrayShapingExpr(OMPArrayShapingExpr *E) { | ||||
11191 | ExprResult Base = getDerived().TransformExpr(E->getBase()); | ||||
11192 | if (Base.isInvalid()) | ||||
11193 | return ExprError(); | ||||
11194 | |||||
11195 | SmallVector<Expr *, 4> Dims; | ||||
11196 | bool ErrorFound = false; | ||||
11197 | for (Expr *Dim : E->getDimensions()) { | ||||
11198 | ExprResult DimRes = getDerived().TransformExpr(Dim); | ||||
11199 | if (DimRes.isInvalid()) { | ||||
11200 | ErrorFound = true; | ||||
11201 | continue; | ||||
11202 | } | ||||
11203 | Dims.push_back(DimRes.get()); | ||||
11204 | } | ||||
11205 | |||||
11206 | if (ErrorFound) | ||||
11207 | return ExprError(); | ||||
11208 | return getDerived().RebuildOMPArrayShapingExpr(Base.get(), E->getLParenLoc(), | ||||
11209 | E->getRParenLoc(), Dims, | ||||
11210 | E->getBracketsRanges()); | ||||
11211 | } | ||||
11212 | |||||
11213 | template <typename Derived> | ||||
11214 | ExprResult | ||||
11215 | TreeTransform<Derived>::TransformOMPIteratorExpr(OMPIteratorExpr *E) { | ||||
11216 | unsigned NumIterators = E->numOfIterators(); | ||||
11217 | SmallVector<Sema::OMPIteratorData, 4> Data(NumIterators); | ||||
11218 | |||||
11219 | bool ErrorFound = false; | ||||
11220 | bool NeedToRebuild = getDerived().AlwaysRebuild(); | ||||
11221 | for (unsigned I = 0; I < NumIterators; ++I) { | ||||
11222 | auto *D = cast<VarDecl>(E->getIteratorDecl(I)); | ||||
11223 | Data[I].DeclIdent = D->getIdentifier(); | ||||
11224 | Data[I].DeclIdentLoc = D->getLocation(); | ||||
11225 | if (D->getLocation() == D->getBeginLoc()) { | ||||
11226 | assert(SemaRef.Context.hasSameType(D->getType(), SemaRef.Context.IntTy) &&(static_cast <bool> (SemaRef.Context.hasSameType(D-> getType(), SemaRef.Context.IntTy) && "Implicit type must be int." ) ? void (0) : __assert_fail ("SemaRef.Context.hasSameType(D->getType(), SemaRef.Context.IntTy) && \"Implicit type must be int.\"" , "clang/lib/Sema/TreeTransform.h", 11227, __extension__ __PRETTY_FUNCTION__ )) | ||||
11227 | "Implicit type must be int.")(static_cast <bool> (SemaRef.Context.hasSameType(D-> getType(), SemaRef.Context.IntTy) && "Implicit type must be int." ) ? void (0) : __assert_fail ("SemaRef.Context.hasSameType(D->getType(), SemaRef.Context.IntTy) && \"Implicit type must be int.\"" , "clang/lib/Sema/TreeTransform.h", 11227, __extension__ __PRETTY_FUNCTION__ )); | ||||
11228 | } else { | ||||
11229 | TypeSourceInfo *TSI = getDerived().TransformType(D->getTypeSourceInfo()); | ||||
11230 | QualType DeclTy = getDerived().TransformType(D->getType()); | ||||
11231 | Data[I].Type = SemaRef.CreateParsedType(DeclTy, TSI); | ||||
11232 | } | ||||
11233 | OMPIteratorExpr::IteratorRange Range = E->getIteratorRange(I); | ||||
11234 | ExprResult Begin = getDerived().TransformExpr(Range.Begin); | ||||
11235 | ExprResult End = getDerived().TransformExpr(Range.End); | ||||
11236 | ExprResult Step = getDerived().TransformExpr(Range.Step); | ||||
11237 | ErrorFound = ErrorFound || | ||||
11238 | !(!D->getTypeSourceInfo() || (Data[I].Type.getAsOpaquePtr() && | ||||
11239 | !Data[I].Type.get().isNull())) || | ||||
11240 | Begin.isInvalid() || End.isInvalid() || Step.isInvalid(); | ||||
11241 | if (ErrorFound) | ||||
11242 | continue; | ||||
11243 | Data[I].Range.Begin = Begin.get(); | ||||
11244 | Data[I].Range.End = End.get(); | ||||
11245 | Data[I].Range.Step = Step.get(); | ||||
11246 | Data[I].AssignLoc = E->getAssignLoc(I); | ||||
11247 | Data[I].ColonLoc = E->getColonLoc(I); | ||||
11248 | Data[I].SecColonLoc = E->getSecondColonLoc(I); | ||||
11249 | NeedToRebuild = | ||||
11250 | NeedToRebuild || | ||||
11251 | (D->getTypeSourceInfo() && Data[I].Type.get().getTypePtrOrNull() != | ||||
11252 | D->getType().getTypePtrOrNull()) || | ||||
11253 | Range.Begin != Data[I].Range.Begin || Range.End != Data[I].Range.End || | ||||
11254 | Range.Step != Data[I].Range.Step; | ||||
11255 | } | ||||
11256 | if (ErrorFound) | ||||
11257 | return ExprError(); | ||||
11258 | if (!NeedToRebuild) | ||||
11259 | return E; | ||||
11260 | |||||
11261 | ExprResult Res = getDerived().RebuildOMPIteratorExpr( | ||||
11262 | E->getIteratorKwLoc(), E->getLParenLoc(), E->getRParenLoc(), Data); | ||||
11263 | if (!Res.isUsable()) | ||||
11264 | return Res; | ||||
11265 | auto *IE = cast<OMPIteratorExpr>(Res.get()); | ||||
11266 | for (unsigned I = 0; I < NumIterators; ++I) | ||||
11267 | getDerived().transformedLocalDecl(E->getIteratorDecl(I), | ||||
11268 | IE->getIteratorDecl(I)); | ||||
11269 | return Res; | ||||
11270 | } | ||||
11271 | |||||
11272 | template<typename Derived> | ||||
11273 | ExprResult | ||||
11274 | TreeTransform<Derived>::TransformCallExpr(CallExpr *E) { | ||||
11275 | // Transform the callee. | ||||
11276 | ExprResult Callee = getDerived().TransformExpr(E->getCallee()); | ||||
11277 | if (Callee.isInvalid()) | ||||
11278 | return ExprError(); | ||||
11279 | |||||
11280 | // Transform arguments. | ||||
11281 | bool ArgChanged = false; | ||||
11282 | SmallVector<Expr*, 8> Args; | ||||
11283 | if (getDerived().TransformExprs(E->getArgs(), E->getNumArgs(), true, Args, | ||||
11284 | &ArgChanged)) | ||||
11285 | return ExprError(); | ||||
11286 | |||||
11287 | if (!getDerived().AlwaysRebuild() && | ||||
11288 | Callee.get() == E->getCallee() && | ||||
11289 | !ArgChanged) | ||||
11290 | return SemaRef.MaybeBindToTemporary(E); | ||||
11291 | |||||
11292 | // FIXME: Wrong source location information for the '('. | ||||
11293 | SourceLocation FakeLParenLoc | ||||
11294 | = ((Expr *)Callee.get())->getSourceRange().getBegin(); | ||||
11295 | |||||
11296 | Sema::FPFeaturesStateRAII FPFeaturesState(getSema()); | ||||
11297 | if (E->hasStoredFPFeatures()) { | ||||
11298 | FPOptionsOverride NewOverrides = E->getFPFeatures(); | ||||
11299 | getSema().CurFPFeatures = | ||||
11300 | NewOverrides.applyOverrides(getSema().getLangOpts()); | ||||
11301 | getSema().FpPragmaStack.CurrentValue = NewOverrides; | ||||
11302 | } | ||||
11303 | |||||
11304 | return getDerived().RebuildCallExpr(Callee.get(), FakeLParenLoc, | ||||
11305 | Args, | ||||
11306 | E->getRParenLoc()); | ||||
11307 | } | ||||
11308 | |||||
11309 | template<typename Derived> | ||||
11310 | ExprResult | ||||
11311 | TreeTransform<Derived>::TransformMemberExpr(MemberExpr *E) { | ||||
11312 | ExprResult Base = getDerived().TransformExpr(E->getBase()); | ||||
11313 | if (Base.isInvalid()) | ||||
11314 | return ExprError(); | ||||
11315 | |||||
11316 | NestedNameSpecifierLoc QualifierLoc; | ||||
11317 | if (E->hasQualifier()) { | ||||
11318 | QualifierLoc | ||||
11319 | = getDerived().TransformNestedNameSpecifierLoc(E->getQualifierLoc()); | ||||
11320 | |||||
11321 | if (!QualifierLoc) | ||||
11322 | return ExprError(); | ||||
11323 | } | ||||
11324 | SourceLocation TemplateKWLoc = E->getTemplateKeywordLoc(); | ||||
11325 | |||||
11326 | ValueDecl *Member | ||||
11327 | = cast_or_null<ValueDecl>(getDerived().TransformDecl(E->getMemberLoc(), | ||||
11328 | E->getMemberDecl())); | ||||
11329 | if (!Member) | ||||
11330 | return ExprError(); | ||||
11331 | |||||
11332 | NamedDecl *FoundDecl = E->getFoundDecl(); | ||||
11333 | if (FoundDecl == E->getMemberDecl()) { | ||||
11334 | FoundDecl = Member; | ||||
11335 | } else { | ||||
11336 | FoundDecl = cast_or_null<NamedDecl>( | ||||
11337 | getDerived().TransformDecl(E->getMemberLoc(), FoundDecl)); | ||||
11338 | if (!FoundDecl) | ||||
11339 | return ExprError(); | ||||
11340 | } | ||||
11341 | |||||
11342 | if (!getDerived().AlwaysRebuild() && | ||||
11343 | Base.get() == E->getBase() && | ||||
11344 | QualifierLoc == E->getQualifierLoc() && | ||||
11345 | Member == E->getMemberDecl() && | ||||
11346 | FoundDecl == E->getFoundDecl() && | ||||
11347 | !E->hasExplicitTemplateArgs()) { | ||||
11348 | |||||
11349 | // Skip for member expression of (this->f), rebuilt thisi->f is needed | ||||
11350 | // for Openmp where the field need to be privatizized in the case. | ||||
11351 | if (!(isa<CXXThisExpr>(E->getBase()) && | ||||
11352 | getSema().isOpenMPRebuildMemberExpr(cast<ValueDecl>(Member)))) { | ||||
11353 | // Mark it referenced in the new context regardless. | ||||
11354 | // FIXME: this is a bit instantiation-specific. | ||||
11355 | SemaRef.MarkMemberReferenced(E); | ||||
11356 | return E; | ||||
11357 | } | ||||
11358 | } | ||||
11359 | |||||
11360 | TemplateArgumentListInfo TransArgs; | ||||
11361 | if (E->hasExplicitTemplateArgs()) { | ||||
11362 | TransArgs.setLAngleLoc(E->getLAngleLoc()); | ||||
11363 | TransArgs.setRAngleLoc(E->getRAngleLoc()); | ||||
11364 | if (getDerived().TransformTemplateArguments(E->getTemplateArgs(), | ||||
11365 | E->getNumTemplateArgs(), | ||||
11366 | TransArgs)) | ||||
11367 | return ExprError(); | ||||
11368 | } | ||||
11369 | |||||
11370 | // FIXME: Bogus source location for the operator | ||||
11371 | SourceLocation FakeOperatorLoc = | ||||
11372 | SemaRef.getLocForEndOfToken(E->getBase()->getSourceRange().getEnd()); | ||||
11373 | |||||
11374 | // FIXME: to do this check properly, we will need to preserve the | ||||
11375 | // first-qualifier-in-scope here, just in case we had a dependent | ||||
11376 | // base (and therefore couldn't do the check) and a | ||||
11377 | // nested-name-qualifier (and therefore could do the lookup). | ||||
11378 | NamedDecl *FirstQualifierInScope = nullptr; | ||||
11379 | DeclarationNameInfo MemberNameInfo = E->getMemberNameInfo(); | ||||
11380 | if (MemberNameInfo.getName()) { | ||||
11381 | MemberNameInfo = getDerived().TransformDeclarationNameInfo(MemberNameInfo); | ||||
11382 | if (!MemberNameInfo.getName()) | ||||
11383 | return ExprError(); | ||||
11384 | } | ||||
11385 | |||||
11386 | return getDerived().RebuildMemberExpr(Base.get(), FakeOperatorLoc, | ||||
11387 | E->isArrow(), | ||||
11388 | QualifierLoc, | ||||
11389 | TemplateKWLoc, | ||||
11390 | MemberNameInfo, | ||||
11391 | Member, | ||||
11392 | FoundDecl, | ||||
11393 | (E->hasExplicitTemplateArgs() | ||||
11394 | ? &TransArgs : nullptr), | ||||
11395 | FirstQualifierInScope); | ||||
11396 | } | ||||
11397 | |||||
11398 | template<typename Derived> | ||||
11399 | ExprResult | ||||
11400 | TreeTransform<Derived>::TransformBinaryOperator(BinaryOperator *E) { | ||||
11401 | ExprResult LHS = getDerived().TransformExpr(E->getLHS()); | ||||
11402 | if (LHS.isInvalid()) | ||||
11403 | return ExprError(); | ||||
11404 | |||||
11405 | ExprResult RHS = getDerived().TransformExpr(E->getRHS()); | ||||
11406 | if (RHS.isInvalid()) | ||||
11407 | return ExprError(); | ||||
11408 | |||||
11409 | if (!getDerived().AlwaysRebuild() && | ||||
11410 | LHS.get() == E->getLHS() && | ||||
11411 | RHS.get() == E->getRHS()) | ||||
11412 | return E; | ||||
11413 | |||||
11414 | if (E->isCompoundAssignmentOp()) | ||||
11415 | // FPFeatures has already been established from trailing storage | ||||
11416 | return getDerived().RebuildBinaryOperator( | ||||
11417 | E->getOperatorLoc(), E->getOpcode(), LHS.get(), RHS.get()); | ||||
11418 | Sema::FPFeaturesStateRAII FPFeaturesState(getSema()); | ||||
11419 | FPOptionsOverride NewOverrides(E->getFPFeatures()); | ||||
11420 | getSema().CurFPFeatures = | ||||
11421 | NewOverrides.applyOverrides(getSema().getLangOpts()); | ||||
11422 | getSema().FpPragmaStack.CurrentValue = NewOverrides; | ||||
11423 | return getDerived().RebuildBinaryOperator(E->getOperatorLoc(), E->getOpcode(), | ||||
11424 | LHS.get(), RHS.get()); | ||||
11425 | } | ||||
11426 | |||||
11427 | template <typename Derived> | ||||
11428 | ExprResult TreeTransform<Derived>::TransformCXXRewrittenBinaryOperator( | ||||
11429 | CXXRewrittenBinaryOperator *E) { | ||||
11430 | CXXRewrittenBinaryOperator::DecomposedForm Decomp = E->getDecomposedForm(); | ||||
11431 | |||||
11432 | ExprResult LHS = getDerived().TransformExpr(const_cast<Expr*>(Decomp.LHS)); | ||||
11433 | if (LHS.isInvalid()) | ||||
11434 | return ExprError(); | ||||
11435 | |||||
11436 | ExprResult RHS = getDerived().TransformExpr(const_cast<Expr*>(Decomp.RHS)); | ||||
11437 | if (RHS.isInvalid()) | ||||
11438 | return ExprError(); | ||||
11439 | |||||
11440 | // Extract the already-resolved callee declarations so that we can restrict | ||||
11441 | // ourselves to using them as the unqualified lookup results when rebuilding. | ||||
11442 | UnresolvedSet<2> UnqualLookups; | ||||
11443 | bool ChangedAnyLookups = false; | ||||
11444 | Expr *PossibleBinOps[] = {E->getSemanticForm(), | ||||
11445 | const_cast<Expr *>(Decomp.InnerBinOp)}; | ||||
11446 | for (Expr *PossibleBinOp : PossibleBinOps) { | ||||
11447 | auto *Op = dyn_cast<CXXOperatorCallExpr>(PossibleBinOp->IgnoreImplicit()); | ||||
11448 | if (!Op) | ||||
11449 | continue; | ||||
11450 | auto *Callee = dyn_cast<DeclRefExpr>(Op->getCallee()->IgnoreImplicit()); | ||||
11451 | if (!Callee || isa<CXXMethodDecl>(Callee->getDecl())) | ||||
11452 | continue; | ||||
11453 | |||||
11454 | // Transform the callee in case we built a call to a local extern | ||||
11455 | // declaration. | ||||
11456 | NamedDecl *Found = cast_or_null<NamedDecl>(getDerived().TransformDecl( | ||||
11457 | E->getOperatorLoc(), Callee->getFoundDecl())); | ||||
11458 | if (!Found) | ||||
11459 | return ExprError(); | ||||
11460 | if (Found != Callee->getFoundDecl()) | ||||
11461 | ChangedAnyLookups = true; | ||||
11462 | UnqualLookups.addDecl(Found); | ||||
11463 | } | ||||
11464 | |||||
11465 | if (!getDerived().AlwaysRebuild() && !ChangedAnyLookups && | ||||
11466 | LHS.get() == Decomp.LHS && RHS.get() == Decomp.RHS) { | ||||
11467 | // Mark all functions used in the rewrite as referenced. Note that when | ||||
11468 | // a < b is rewritten to (a <=> b) < 0, both the <=> and the < might be | ||||
11469 | // function calls, and/or there might be a user-defined conversion sequence | ||||
11470 | // applied to the operands of the <. | ||||
11471 | // FIXME: this is a bit instantiation-specific. | ||||
11472 | const Expr *StopAt[] = {Decomp.LHS, Decomp.RHS}; | ||||
11473 | SemaRef.MarkDeclarationsReferencedInExpr(E, false, StopAt); | ||||
11474 | return E; | ||||
11475 | } | ||||
11476 | |||||
11477 | return getDerived().RebuildCXXRewrittenBinaryOperator( | ||||
11478 | E->getOperatorLoc(), Decomp.Opcode, UnqualLookups, LHS.get(), RHS.get()); | ||||
11479 | } | ||||
11480 | |||||
11481 | template<typename Derived> | ||||
11482 | ExprResult | ||||
11483 | TreeTransform<Derived>::TransformCompoundAssignOperator( | ||||
11484 | CompoundAssignOperator *E) { | ||||
11485 | Sema::FPFeaturesStateRAII FPFeaturesState(getSema()); | ||||
11486 | FPOptionsOverride NewOverrides(E->getFPFeatures()); | ||||
11487 | getSema().CurFPFeatures = | ||||
11488 | NewOverrides.applyOverrides(getSema().getLangOpts()); | ||||
11489 | getSema().FpPragmaStack.CurrentValue = NewOverrides; | ||||
11490 | return getDerived().TransformBinaryOperator(E); | ||||
11491 | } | ||||
11492 | |||||
11493 | template<typename Derived> | ||||
11494 | ExprResult TreeTransform<Derived>:: | ||||
11495 | TransformBinaryConditionalOperator(BinaryConditionalOperator *e) { | ||||
11496 | // Just rebuild the common and RHS expressions and see whether we | ||||
11497 | // get any changes. | ||||
11498 | |||||
11499 | ExprResult commonExpr = getDerived().TransformExpr(e->getCommon()); | ||||
11500 | if (commonExpr.isInvalid()) | ||||
11501 | return ExprError(); | ||||
11502 | |||||
11503 | ExprResult rhs = getDerived().TransformExpr(e->getFalseExpr()); | ||||
11504 | if (rhs.isInvalid()) | ||||
11505 | return ExprError(); | ||||
11506 | |||||
11507 | if (!getDerived().AlwaysRebuild() && | ||||
11508 | commonExpr.get() == e->getCommon() && | ||||
11509 | rhs.get() == e->getFalseExpr()) | ||||
11510 | return e; | ||||
11511 | |||||
11512 | return getDerived().RebuildConditionalOperator(commonExpr.get(), | ||||
11513 | e->getQuestionLoc(), | ||||
11514 | nullptr, | ||||
11515 | e->getColonLoc(), | ||||
11516 | rhs.get()); | ||||
11517 | } | ||||
11518 | |||||
11519 | template<typename Derived> | ||||
11520 | ExprResult | ||||
11521 | TreeTransform<Derived>::TransformConditionalOperator(ConditionalOperator *E) { | ||||
11522 | ExprResult Cond = getDerived().TransformExpr(E->getCond()); | ||||
11523 | if (Cond.isInvalid()) | ||||
11524 | return ExprError(); | ||||
11525 | |||||
11526 | ExprResult LHS = getDerived().TransformExpr(E->getLHS()); | ||||
11527 | if (LHS.isInvalid()) | ||||
11528 | return ExprError(); | ||||
11529 | |||||
11530 | ExprResult RHS = getDerived().TransformExpr(E->getRHS()); | ||||
11531 | if (RHS.isInvalid()) | ||||
11532 | return ExprError(); | ||||
11533 | |||||
11534 | if (!getDerived().AlwaysRebuild() && | ||||
11535 | Cond.get() == E->getCond() && | ||||
11536 | LHS.get() == E->getLHS() && | ||||
11537 | RHS.get() == E->getRHS()) | ||||
11538 | return E; | ||||
11539 | |||||
11540 | return getDerived().RebuildConditionalOperator(Cond.get(), | ||||
11541 | E->getQuestionLoc(), | ||||
11542 | LHS.get(), | ||||
11543 | E->getColonLoc(), | ||||
11544 | RHS.get()); | ||||
11545 | } | ||||
11546 | |||||
11547 | template<typename Derived> | ||||
11548 | ExprResult | ||||
11549 | TreeTransform<Derived>::TransformImplicitCastExpr(ImplicitCastExpr *E) { | ||||
11550 | // Implicit casts are eliminated during transformation, since they | ||||
11551 | // will be recomputed by semantic analysis after transformation. | ||||
11552 | return getDerived().TransformExpr(E->getSubExprAsWritten()); | ||||
11553 | } | ||||
11554 | |||||
11555 | template<typename Derived> | ||||
11556 | ExprResult | ||||
11557 | TreeTransform<Derived>::TransformCStyleCastExpr(CStyleCastExpr *E) { | ||||
11558 | TypeSourceInfo *Type = getDerived().TransformType(E->getTypeInfoAsWritten()); | ||||
11559 | if (!Type) | ||||
11560 | return ExprError(); | ||||
11561 | |||||
11562 | ExprResult SubExpr | ||||
11563 | = getDerived().TransformExpr(E->getSubExprAsWritten()); | ||||
11564 | if (SubExpr.isInvalid()) | ||||
11565 | return ExprError(); | ||||
11566 | |||||
11567 | if (!getDerived().AlwaysRebuild() && | ||||
11568 | Type == E->getTypeInfoAsWritten() && | ||||
11569 | SubExpr.get() == E->getSubExpr()) | ||||
11570 | return E; | ||||
11571 | |||||
11572 | return getDerived().RebuildCStyleCastExpr(E->getLParenLoc(), | ||||
11573 | Type, | ||||
11574 | E->getRParenLoc(), | ||||
11575 | SubExpr.get()); | ||||
11576 | } | ||||
11577 | |||||
11578 | template<typename Derived> | ||||
11579 | ExprResult | ||||
11580 | TreeTransform<Derived>::TransformCompoundLiteralExpr(CompoundLiteralExpr *E) { | ||||
11581 | TypeSourceInfo *OldT = E->getTypeSourceInfo(); | ||||
11582 | TypeSourceInfo *NewT = getDerived().TransformType(OldT); | ||||
11583 | if (!NewT) | ||||
11584 | return ExprError(); | ||||
11585 | |||||
11586 | ExprResult Init = getDerived().TransformExpr(E->getInitializer()); | ||||
11587 | if (Init.isInvalid()) | ||||
11588 | return ExprError(); | ||||
11589 | |||||
11590 | if (!getDerived().AlwaysRebuild() && | ||||
11591 | OldT == NewT && | ||||
11592 | Init.get() == E->getInitializer()) | ||||
11593 | return SemaRef.MaybeBindToTemporary(E); | ||||
11594 | |||||
11595 | // Note: the expression type doesn't necessarily match the | ||||
11596 | // type-as-written, but that's okay, because it should always be | ||||
11597 | // derivable from the initializer. | ||||
11598 | |||||
11599 | return getDerived().RebuildCompoundLiteralExpr( | ||||
11600 | E->getLParenLoc(), NewT, | ||||
11601 | /*FIXME:*/ E->getInitializer()->getEndLoc(), Init.get()); | ||||
11602 | } | ||||
11603 | |||||
11604 | template<typename Derived> | ||||
11605 | ExprResult | ||||
11606 | TreeTransform<Derived>::TransformExtVectorElementExpr(ExtVectorElementExpr *E) { | ||||
11607 | ExprResult Base = getDerived().TransformExpr(E->getBase()); | ||||
11608 | if (Base.isInvalid()) | ||||
11609 | return ExprError(); | ||||
11610 | |||||
11611 | if (!getDerived().AlwaysRebuild() && | ||||
11612 | Base.get() == E->getBase()) | ||||
11613 | return E; | ||||
11614 | |||||
11615 | // FIXME: Bad source location | ||||
11616 | SourceLocation FakeOperatorLoc = | ||||
11617 | SemaRef.getLocForEndOfToken(E->getBase()->getEndLoc()); | ||||
11618 | return getDerived().RebuildExtVectorElementExpr( | ||||
11619 | Base.get(), FakeOperatorLoc, E->isArrow(), E->getAccessorLoc(), | ||||
11620 | E->getAccessor()); | ||||
11621 | } | ||||
11622 | |||||
11623 | template<typename Derived> | ||||
11624 | ExprResult | ||||
11625 | TreeTransform<Derived>::TransformInitListExpr(InitListExpr *E) { | ||||
11626 | if (InitListExpr *Syntactic = E->getSyntacticForm()) | ||||
11627 | E = Syntactic; | ||||
11628 | |||||
11629 | bool InitChanged = false; | ||||
11630 | |||||
11631 | EnterExpressionEvaluationContext Context( | ||||
11632 | getSema(), EnterExpressionEvaluationContext::InitList); | ||||
11633 | |||||
11634 | SmallVector<Expr*, 4> Inits; | ||||
11635 | if (getDerived().TransformExprs(E->getInits(), E->getNumInits(), false, | ||||
11636 | Inits, &InitChanged)) | ||||
11637 | return ExprError(); | ||||
11638 | |||||
11639 | if (!getDerived().AlwaysRebuild() && !InitChanged) { | ||||
11640 | // FIXME: Attempt to reuse the existing syntactic form of the InitListExpr | ||||
11641 | // in some cases. We can't reuse it in general, because the syntactic and | ||||
11642 | // semantic forms are linked, and we can't know that semantic form will | ||||
11643 | // match even if the syntactic form does. | ||||
11644 | } | ||||
11645 | |||||
11646 | return getDerived().RebuildInitList(E->getLBraceLoc(), Inits, | ||||
11647 | E->getRBraceLoc()); | ||||
11648 | } | ||||
11649 | |||||
11650 | template<typename Derived> | ||||
11651 | ExprResult | ||||
11652 | TreeTransform<Derived>::TransformDesignatedInitExpr(DesignatedInitExpr *E) { | ||||
11653 | Designation Desig; | ||||
11654 | |||||
11655 | // transform the initializer value | ||||
11656 | ExprResult Init = getDerived().TransformExpr(E->getInit()); | ||||
11657 | if (Init.isInvalid()) | ||||
11658 | return ExprError(); | ||||
11659 | |||||
11660 | // transform the designators. | ||||
11661 | SmallVector<Expr*, 4> ArrayExprs; | ||||
11662 | bool ExprChanged = false; | ||||
11663 | for (const DesignatedInitExpr::Designator &D : E->designators()) { | ||||
11664 | if (D.isFieldDesignator()) { | ||||
11665 | Desig.AddDesignator(Designator::CreateFieldDesignator( | ||||
11666 | D.getFieldName(), D.getDotLoc(), D.getFieldLoc())); | ||||
11667 | if (D.getFieldDecl()) { | ||||
11668 | FieldDecl *Field = cast_or_null<FieldDecl>( | ||||
11669 | getDerived().TransformDecl(D.getFieldLoc(), D.getFieldDecl())); | ||||
11670 | if (Field != D.getFieldDecl()) | ||||
11671 | // Rebuild the expression when the transformed FieldDecl is | ||||
11672 | // different to the already assigned FieldDecl. | ||||
11673 | ExprChanged = true; | ||||
11674 | } else { | ||||
11675 | // Ensure that the designator expression is rebuilt when there isn't | ||||
11676 | // a resolved FieldDecl in the designator as we don't want to assign | ||||
11677 | // a FieldDecl to a pattern designator that will be instantiated again. | ||||
11678 | ExprChanged = true; | ||||
11679 | } | ||||
11680 | continue; | ||||
11681 | } | ||||
11682 | |||||
11683 | if (D.isArrayDesignator()) { | ||||
11684 | ExprResult Index = getDerived().TransformExpr(E->getArrayIndex(D)); | ||||
11685 | if (Index.isInvalid()) | ||||
11686 | return ExprError(); | ||||
11687 | |||||
11688 | Desig.AddDesignator( | ||||
11689 | Designator::CreateArrayDesignator(Index.get(), D.getLBracketLoc())); | ||||
11690 | |||||
11691 | ExprChanged = ExprChanged || Init.get() != E->getArrayIndex(D); | ||||
11692 | ArrayExprs.push_back(Index.get()); | ||||
11693 | continue; | ||||
11694 | } | ||||
11695 | |||||
11696 | assert(D.isArrayRangeDesignator() && "New kind of designator?")(static_cast <bool> (D.isArrayRangeDesignator() && "New kind of designator?") ? void (0) : __assert_fail ("D.isArrayRangeDesignator() && \"New kind of designator?\"" , "clang/lib/Sema/TreeTransform.h", 11696, __extension__ __PRETTY_FUNCTION__ )); | ||||
11697 | ExprResult Start | ||||
11698 | = getDerived().TransformExpr(E->getArrayRangeStart(D)); | ||||
11699 | if (Start.isInvalid()) | ||||
11700 | return ExprError(); | ||||
11701 | |||||
11702 | ExprResult End = getDerived().TransformExpr(E->getArrayRangeEnd(D)); | ||||
11703 | if (End.isInvalid()) | ||||
11704 | return ExprError(); | ||||
11705 | |||||
11706 | Desig.AddDesignator(Designator::CreateArrayRangeDesignator( | ||||
11707 | Start.get(), End.get(), D.getLBracketLoc(), D.getEllipsisLoc())); | ||||
11708 | |||||
11709 | ExprChanged = ExprChanged || Start.get() != E->getArrayRangeStart(D) || | ||||
11710 | End.get() != E->getArrayRangeEnd(D); | ||||
11711 | |||||
11712 | ArrayExprs.push_back(Start.get()); | ||||
11713 | ArrayExprs.push_back(End.get()); | ||||
11714 | } | ||||
11715 | |||||
11716 | if (!getDerived().AlwaysRebuild() && | ||||
11717 | Init.get() == E->getInit() && | ||||
11718 | !ExprChanged) | ||||
11719 | return E; | ||||
11720 | |||||
11721 | return getDerived().RebuildDesignatedInitExpr(Desig, ArrayExprs, | ||||
11722 | E->getEqualOrColonLoc(), | ||||
11723 | E->usesGNUSyntax(), Init.get()); | ||||
11724 | } | ||||
11725 | |||||
11726 | // Seems that if TransformInitListExpr() only works on the syntactic form of an | ||||
11727 | // InitListExpr, then a DesignatedInitUpdateExpr is not encountered. | ||||
11728 | template<typename Derived> | ||||
11729 | ExprResult | ||||
11730 | TreeTransform<Derived>::TransformDesignatedInitUpdateExpr( | ||||
11731 | DesignatedInitUpdateExpr *E) { | ||||
11732 | llvm_unreachable("Unexpected DesignatedInitUpdateExpr in syntactic form of "::llvm::llvm_unreachable_internal("Unexpected DesignatedInitUpdateExpr in syntactic form of " "initializer", "clang/lib/Sema/TreeTransform.h", 11733) | ||||
11733 | "initializer")::llvm::llvm_unreachable_internal("Unexpected DesignatedInitUpdateExpr in syntactic form of " "initializer", "clang/lib/Sema/TreeTransform.h", 11733); | ||||
11734 | return ExprError(); | ||||
11735 | } | ||||
11736 | |||||
11737 | template<typename Derived> | ||||
11738 | ExprResult | ||||
11739 | TreeTransform<Derived>::TransformNoInitExpr( | ||||
11740 | NoInitExpr *E) { | ||||
11741 | llvm_unreachable("Unexpected NoInitExpr in syntactic form of initializer")::llvm::llvm_unreachable_internal("Unexpected NoInitExpr in syntactic form of initializer" , "clang/lib/Sema/TreeTransform.h", 11741); | ||||
11742 | return ExprError(); | ||||
11743 | } | ||||
11744 | |||||
11745 | template<typename Derived> | ||||
11746 | ExprResult | ||||
11747 | TreeTransform<Derived>::TransformArrayInitLoopExpr(ArrayInitLoopExpr *E) { | ||||
11748 | llvm_unreachable("Unexpected ArrayInitLoopExpr outside of initializer")::llvm::llvm_unreachable_internal("Unexpected ArrayInitLoopExpr outside of initializer" , "clang/lib/Sema/TreeTransform.h", 11748); | ||||
11749 | return ExprError(); | ||||
11750 | } | ||||
11751 | |||||
11752 | template<typename Derived> | ||||
11753 | ExprResult | ||||
11754 | TreeTransform<Derived>::TransformArrayInitIndexExpr(ArrayInitIndexExpr *E) { | ||||
11755 | llvm_unreachable("Unexpected ArrayInitIndexExpr outside of initializer")::llvm::llvm_unreachable_internal("Unexpected ArrayInitIndexExpr outside of initializer" , "clang/lib/Sema/TreeTransform.h", 11755); | ||||
11756 | return ExprError(); | ||||
11757 | } | ||||
11758 | |||||
11759 | template<typename Derived> | ||||
11760 | ExprResult | ||||
11761 | TreeTransform<Derived>::TransformImplicitValueInitExpr( | ||||
11762 | ImplicitValueInitExpr *E) { | ||||
11763 | TemporaryBase Rebase(*this, E->getBeginLoc(), DeclarationName()); | ||||
11764 | |||||
11765 | // FIXME: Will we ever have proper type location here? Will we actually | ||||
11766 | // need to transform the type? | ||||
11767 | QualType T = getDerived().TransformType(E->getType()); | ||||
11768 | if (T.isNull()) | ||||
11769 | return ExprError(); | ||||
11770 | |||||
11771 | if (!getDerived().AlwaysRebuild() && | ||||
11772 | T == E->getType()) | ||||
11773 | return E; | ||||
11774 | |||||
11775 | return getDerived().RebuildImplicitValueInitExpr(T); | ||||
11776 | } | ||||
11777 | |||||
11778 | template<typename Derived> | ||||
11779 | ExprResult | ||||
11780 | TreeTransform<Derived>::TransformVAArgExpr(VAArgExpr *E) { | ||||
11781 | TypeSourceInfo *TInfo = getDerived().TransformType(E->getWrittenTypeInfo()); | ||||
11782 | if (!TInfo) | ||||
11783 | return ExprError(); | ||||
11784 | |||||
11785 | ExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); | ||||
11786 | if (SubExpr.isInvalid()) | ||||
11787 | return ExprError(); | ||||
11788 | |||||
11789 | if (!getDerived().AlwaysRebuild() && | ||||
11790 | TInfo == E->getWrittenTypeInfo() && | ||||
11791 | SubExpr.get() == E->getSubExpr()) | ||||
11792 | return E; | ||||
11793 | |||||
11794 | return getDerived().RebuildVAArgExpr(E->getBuiltinLoc(), SubExpr.get(), | ||||
11795 | TInfo, E->getRParenLoc()); | ||||
11796 | } | ||||
11797 | |||||
11798 | template<typename Derived> | ||||
11799 | ExprResult | ||||
11800 | TreeTransform<Derived>::TransformParenListExpr(ParenListExpr *E) { | ||||
11801 | bool ArgumentChanged = false; | ||||
11802 | SmallVector<Expr*, 4> Inits; | ||||
11803 | if (TransformExprs(E->getExprs(), E->getNumExprs(), true, Inits, | ||||
11804 | &ArgumentChanged)) | ||||
11805 | return ExprError(); | ||||
11806 | |||||
11807 | return getDerived().RebuildParenListExpr(E->getLParenLoc(), | ||||
11808 | Inits, | ||||
11809 | E->getRParenLoc()); | ||||
11810 | } | ||||
11811 | |||||
11812 | /// Transform an address-of-label expression. | ||||
11813 | /// | ||||
11814 | /// By default, the transformation of an address-of-label expression always | ||||
11815 | /// rebuilds the expression, so that the label identifier can be resolved to | ||||
11816 | /// the corresponding label statement by semantic analysis. | ||||
11817 | template<typename Derived> | ||||
11818 | ExprResult | ||||
11819 | TreeTransform<Derived>::TransformAddrLabelExpr(AddrLabelExpr *E) { | ||||
11820 | Decl *LD = getDerived().TransformDecl(E->getLabel()->getLocation(), | ||||
11821 | E->getLabel()); | ||||
11822 | if (!LD) | ||||
11823 | return ExprError(); | ||||
11824 | |||||
11825 | return getDerived().RebuildAddrLabelExpr(E->getAmpAmpLoc(), E->getLabelLoc(), | ||||
11826 | cast<LabelDecl>(LD)); | ||||
11827 | } | ||||
11828 | |||||
11829 | template<typename Derived> | ||||
11830 | ExprResult | ||||
11831 | TreeTransform<Derived>::TransformStmtExpr(StmtExpr *E) { | ||||
11832 | SemaRef.ActOnStartStmtExpr(); | ||||
11833 | StmtResult SubStmt | ||||
11834 | = getDerived().TransformCompoundStmt(E->getSubStmt(), true); | ||||
11835 | if (SubStmt.isInvalid()) { | ||||
11836 | SemaRef.ActOnStmtExprError(); | ||||
11837 | return ExprError(); | ||||
11838 | } | ||||
11839 | |||||
11840 | unsigned OldDepth = E->getTemplateDepth(); | ||||
11841 | unsigned NewDepth = getDerived().TransformTemplateDepth(OldDepth); | ||||
11842 | |||||
11843 | if (!getDerived().AlwaysRebuild() && OldDepth == NewDepth && | ||||
11844 | SubStmt.get() == E->getSubStmt()) { | ||||
11845 | // Calling this an 'error' is unintuitive, but it does the right thing. | ||||
11846 | SemaRef.ActOnStmtExprError(); | ||||
11847 | return SemaRef.MaybeBindToTemporary(E); | ||||
11848 | } | ||||
11849 | |||||
11850 | return getDerived().RebuildStmtExpr(E->getLParenLoc(), SubStmt.get(), | ||||
11851 | E->getRParenLoc(), NewDepth); | ||||
11852 | } | ||||
11853 | |||||
11854 | template<typename Derived> | ||||
11855 | ExprResult | ||||
11856 | TreeTransform<Derived>::TransformChooseExpr(ChooseExpr *E) { | ||||
11857 | ExprResult Cond = getDerived().TransformExpr(E->getCond()); | ||||
11858 | if (Cond.isInvalid()) | ||||
11859 | return ExprError(); | ||||
11860 | |||||
11861 | ExprResult LHS = getDerived().TransformExpr(E->getLHS()); | ||||
11862 | if (LHS.isInvalid()) | ||||
11863 | return ExprError(); | ||||
11864 | |||||
11865 | ExprResult RHS = getDerived().TransformExpr(E->getRHS()); | ||||
11866 | if (RHS.isInvalid()) | ||||
11867 | return ExprError(); | ||||
11868 | |||||
11869 | if (!getDerived().AlwaysRebuild() && | ||||
11870 | Cond.get() == E->getCond() && | ||||
11871 | LHS.get() == E->getLHS() && | ||||
11872 | RHS.get() == E->getRHS()) | ||||
11873 | return E; | ||||
11874 | |||||
11875 | return getDerived().RebuildChooseExpr(E->getBuiltinLoc(), | ||||
11876 | Cond.get(), LHS.get(), RHS.get(), | ||||
11877 | E->getRParenLoc()); | ||||
11878 | } | ||||
11879 | |||||
11880 | template<typename Derived> | ||||
11881 | ExprResult | ||||
11882 | TreeTransform<Derived>::TransformGNUNullExpr(GNUNullExpr *E) { | ||||
11883 | return E; | ||||
11884 | } | ||||
11885 | |||||
11886 | template<typename Derived> | ||||
11887 | ExprResult | ||||
11888 | TreeTransform<Derived>::TransformCXXOperatorCallExpr(CXXOperatorCallExpr *E) { | ||||
11889 | switch (E->getOperator()) { | ||||
11890 | case OO_New: | ||||
11891 | case OO_Delete: | ||||
11892 | case OO_Array_New: | ||||
11893 | case OO_Array_Delete: | ||||
11894 | llvm_unreachable("new and delete operators cannot use CXXOperatorCallExpr")::llvm::llvm_unreachable_internal("new and delete operators cannot use CXXOperatorCallExpr" , "clang/lib/Sema/TreeTransform.h", 11894); | ||||
11895 | |||||
11896 | case OO_Subscript: | ||||
11897 | case OO_Call: { | ||||
11898 | // This is a call to an object's operator(). | ||||
11899 | assert(E->getNumArgs() >= 1 && "Object call is missing arguments")(static_cast <bool> (E->getNumArgs() >= 1 && "Object call is missing arguments") ? void (0) : __assert_fail ("E->getNumArgs() >= 1 && \"Object call is missing arguments\"" , "clang/lib/Sema/TreeTransform.h", 11899, __extension__ __PRETTY_FUNCTION__ )); | ||||
11900 | |||||
11901 | // Transform the object itself. | ||||
11902 | ExprResult Object = getDerived().TransformExpr(E->getArg(0)); | ||||
11903 | if (Object.isInvalid()) | ||||
11904 | return ExprError(); | ||||
11905 | |||||
11906 | // FIXME: Poor location information | ||||
11907 | SourceLocation FakeLParenLoc = SemaRef.getLocForEndOfToken( | ||||
11908 | static_cast<Expr *>(Object.get())->getEndLoc()); | ||||
11909 | |||||
11910 | // Transform the call arguments. | ||||
11911 | SmallVector<Expr*, 8> Args; | ||||
11912 | if (getDerived().TransformExprs(E->getArgs() + 1, E->getNumArgs() - 1, true, | ||||
11913 | Args)) | ||||
11914 | return ExprError(); | ||||
11915 | |||||
11916 | if (E->getOperator() == OO_Subscript) | ||||
11917 | return getDerived().RebuildCxxSubscriptExpr(Object.get(), FakeLParenLoc, | ||||
11918 | Args, E->getEndLoc()); | ||||
11919 | |||||
11920 | return getDerived().RebuildCallExpr(Object.get(), FakeLParenLoc, Args, | ||||
11921 | E->getEndLoc()); | ||||
11922 | } | ||||
11923 | |||||
11924 | #define OVERLOADED_OPERATOR(Name, Spelling, Token, Unary, Binary, MemberOnly) \ | ||||
11925 | case OO_##Name: \ | ||||
11926 | break; | ||||
11927 | |||||
11928 | #define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) | ||||
11929 | #include "clang/Basic/OperatorKinds.def" | ||||
11930 | |||||
11931 | case OO_Conditional: | ||||
11932 | llvm_unreachable("conditional operator is not actually overloadable")::llvm::llvm_unreachable_internal("conditional operator is not actually overloadable" , "clang/lib/Sema/TreeTransform.h", 11932); | ||||
11933 | |||||
11934 | case OO_None: | ||||
11935 | case NUM_OVERLOADED_OPERATORS: | ||||
11936 | llvm_unreachable("not an overloaded operator?")::llvm::llvm_unreachable_internal("not an overloaded operator?" , "clang/lib/Sema/TreeTransform.h", 11936); | ||||
11937 | } | ||||
11938 | |||||
11939 | ExprResult Callee = getDerived().TransformExpr(E->getCallee()); | ||||
11940 | if (Callee.isInvalid()) | ||||
11941 | return ExprError(); | ||||
11942 | |||||
11943 | ExprResult First; | ||||
11944 | if (E->getOperator() == OO_Amp) | ||||
11945 | First = getDerived().TransformAddressOfOperand(E->getArg(0)); | ||||
11946 | else | ||||
11947 | First = getDerived().TransformExpr(E->getArg(0)); | ||||
11948 | if (First.isInvalid()) | ||||
11949 | return ExprError(); | ||||
11950 | |||||
11951 | ExprResult Second; | ||||
11952 | if (E->getNumArgs() == 2) { | ||||
11953 | Second = getDerived().TransformExpr(E->getArg(1)); | ||||
11954 | if (Second.isInvalid()) | ||||
11955 | return ExprError(); | ||||
11956 | } | ||||
11957 | |||||
11958 | if (!getDerived().AlwaysRebuild() && | ||||
11959 | Callee.get() == E->getCallee() && | ||||
11960 | First.get() == E->getArg(0) && | ||||
11961 | (E->getNumArgs() != 2 || Second.get() == E->getArg(1))) | ||||
11962 | return SemaRef.MaybeBindToTemporary(E); | ||||
11963 | |||||
11964 | Sema::FPFeaturesStateRAII FPFeaturesState(getSema()); | ||||
11965 | FPOptionsOverride NewOverrides(E->getFPFeatures()); | ||||
11966 | getSema().CurFPFeatures = | ||||
11967 | NewOverrides.applyOverrides(getSema().getLangOpts()); | ||||
11968 | getSema().FpPragmaStack.CurrentValue = NewOverrides; | ||||
11969 | |||||
11970 | return getDerived().RebuildCXXOperatorCallExpr(E->getOperator(), | ||||
11971 | E->getOperatorLoc(), | ||||
11972 | Callee.get(), | ||||
11973 | First.get(), | ||||
11974 | Second.get()); | ||||
11975 | } | ||||
11976 | |||||
11977 | template<typename Derived> | ||||
11978 | ExprResult | ||||
11979 | TreeTransform<Derived>::TransformCXXMemberCallExpr(CXXMemberCallExpr *E) { | ||||
11980 | return getDerived().TransformCallExpr(E); | ||||
11981 | } | ||||
11982 | |||||
11983 | template <typename Derived> | ||||
11984 | ExprResult TreeTransform<Derived>::TransformSourceLocExpr(SourceLocExpr *E) { | ||||
11985 | bool NeedRebuildFunc = E->getIdentKind() == SourceLocExpr::Function && | ||||
11986 | getSema().CurContext != E->getParentContext(); | ||||
11987 | |||||
11988 | if (!getDerived().AlwaysRebuild() && !NeedRebuildFunc) | ||||
11989 | return E; | ||||
11990 | |||||
11991 | return getDerived().RebuildSourceLocExpr(E->getIdentKind(), E->getType(), | ||||
11992 | E->getBeginLoc(), E->getEndLoc(), | ||||
11993 | getSema().CurContext); | ||||
11994 | } | ||||
11995 | |||||
11996 | template<typename Derived> | ||||
11997 | ExprResult | ||||
11998 | TreeTransform<Derived>::TransformCUDAKernelCallExpr(CUDAKernelCallExpr *E) { | ||||
11999 | // Transform the callee. | ||||
12000 | ExprResult Callee = getDerived().TransformExpr(E->getCallee()); | ||||
12001 | if (Callee.isInvalid()) | ||||
12002 | return ExprError(); | ||||
12003 | |||||
12004 | // Transform exec config. | ||||
12005 | ExprResult EC = getDerived().TransformCallExpr(E->getConfig()); | ||||
12006 | if (EC.isInvalid()) | ||||
12007 | return ExprError(); | ||||
12008 | |||||
12009 | // Transform arguments. | ||||
12010 | bool ArgChanged = false; | ||||
12011 | SmallVector<Expr*, 8> Args; | ||||
12012 | if (getDerived().TransformExprs(E->getArgs(), E->getNumArgs(), true, Args, | ||||
12013 | &ArgChanged)) | ||||
12014 | return ExprError(); | ||||
12015 | |||||
12016 | if (!getDerived().AlwaysRebuild() && | ||||
12017 | Callee.get() == E->getCallee() && | ||||
12018 | !ArgChanged) | ||||
12019 | return SemaRef.MaybeBindToTemporary(E); | ||||
12020 | |||||
12021 | // FIXME: Wrong source location information for the '('. | ||||
12022 | SourceLocation FakeLParenLoc | ||||
12023 | = ((Expr *)Callee.get())->getSourceRange().getBegin(); | ||||
12024 | return getDerived().RebuildCallExpr(Callee.get(), FakeLParenLoc, | ||||
12025 | Args, | ||||
12026 | E->getRParenLoc(), EC.get()); | ||||
12027 | } | ||||
12028 | |||||
12029 | template<typename Derived> | ||||
12030 | ExprResult | ||||
12031 | TreeTransform<Derived>::TransformCXXNamedCastExpr(CXXNamedCastExpr *E) { | ||||
12032 | TypeSourceInfo *Type = getDerived().TransformType(E->getTypeInfoAsWritten()); | ||||
12033 | if (!Type) | ||||
12034 | return ExprError(); | ||||
12035 | |||||
12036 | ExprResult SubExpr | ||||
12037 | = getDerived().TransformExpr(E->getSubExprAsWritten()); | ||||
12038 | if (SubExpr.isInvalid()) | ||||
12039 | return ExprError(); | ||||
12040 | |||||
12041 | if (!getDerived().AlwaysRebuild() && | ||||
12042 | Type == E->getTypeInfoAsWritten() && | ||||
12043 | SubExpr.get() == E->getSubExpr()) | ||||
12044 | return E; | ||||
12045 | return getDerived().RebuildCXXNamedCastExpr( | ||||
12046 | E->getOperatorLoc(), E->getStmtClass(), E->getAngleBrackets().getBegin(), | ||||
12047 | Type, E->getAngleBrackets().getEnd(), | ||||
12048 | // FIXME. this should be '(' location | ||||
12049 | E->getAngleBrackets().getEnd(), SubExpr.get(), E->getRParenLoc()); | ||||
12050 | } | ||||
12051 | |||||
12052 | template<typename Derived> | ||||
12053 | ExprResult | ||||
12054 | TreeTransform<Derived>::TransformBuiltinBitCastExpr(BuiltinBitCastExpr *BCE) { | ||||
12055 | TypeSourceInfo *TSI = | ||||
12056 | getDerived().TransformType(BCE->getTypeInfoAsWritten()); | ||||
12057 | if (!TSI) | ||||
12058 | return ExprError(); | ||||
12059 | |||||
12060 | ExprResult Sub = getDerived().TransformExpr(BCE->getSubExpr()); | ||||
12061 | if (Sub.isInvalid()) | ||||
12062 | return ExprError(); | ||||
12063 | |||||
12064 | return getDerived().RebuildBuiltinBitCastExpr(BCE->getBeginLoc(), TSI, | ||||
12065 | Sub.get(), BCE->getEndLoc()); | ||||
12066 | } | ||||
12067 | |||||
12068 | template<typename Derived> | ||||
12069 | ExprResult | ||||
12070 | TreeTransform<Derived>::TransformCXXStaticCastExpr(CXXStaticCastExpr *E) { | ||||
12071 | return getDerived().TransformCXXNamedCastExpr(E); | ||||
12072 | } | ||||
12073 | |||||
12074 | template<typename Derived> | ||||
12075 | ExprResult | ||||
12076 | TreeTransform<Derived>::TransformCXXDynamicCastExpr(CXXDynamicCastExpr *E) { | ||||
12077 | return getDerived().TransformCXXNamedCastExpr(E); | ||||
12078 | } | ||||
12079 | |||||
12080 | template<typename Derived> | ||||
12081 | ExprResult | ||||
12082 | TreeTransform<Derived>::TransformCXXReinterpretCastExpr( | ||||
12083 | CXXReinterpretCastExpr *E) { | ||||
12084 | return getDerived().TransformCXXNamedCastExpr(E); | ||||
12085 | } | ||||
12086 | |||||
12087 | template<typename Derived> | ||||
12088 | ExprResult | ||||
12089 | TreeTransform<Derived>::TransformCXXConstCastExpr(CXXConstCastExpr *E) { | ||||
12090 | return getDerived().TransformCXXNamedCastExpr(E); | ||||
12091 | } | ||||
12092 | |||||
12093 | template<typename Derived> | ||||
12094 | ExprResult | ||||
12095 | TreeTransform<Derived>::TransformCXXAddrspaceCastExpr(CXXAddrspaceCastExpr *E) { | ||||
12096 | return getDerived().TransformCXXNamedCastExpr(E); | ||||
12097 | } | ||||
12098 | |||||
12099 | template<typename Derived> | ||||
12100 | ExprResult | ||||
12101 | TreeTransform<Derived>::TransformCXXFunctionalCastExpr( | ||||
12102 | CXXFunctionalCastExpr *E) { | ||||
12103 | TypeSourceInfo *Type = | ||||
12104 | getDerived().TransformTypeWithDeducedTST(E->getTypeInfoAsWritten()); | ||||
12105 | if (!Type) | ||||
12106 | return ExprError(); | ||||
12107 | |||||
12108 | ExprResult SubExpr | ||||
12109 | = getDerived().TransformExpr(E->getSubExprAsWritten()); | ||||
12110 | if (SubExpr.isInvalid()) | ||||
12111 | return ExprError(); | ||||
12112 | |||||
12113 | if (!getDerived().AlwaysRebuild() && | ||||
12114 | Type == E->getTypeInfoAsWritten() && | ||||
12115 | SubExpr.get() == E->getSubExpr()) | ||||
12116 | return E; | ||||
12117 | |||||
12118 | return getDerived().RebuildCXXFunctionalCastExpr(Type, | ||||
12119 | E->getLParenLoc(), | ||||
12120 | SubExpr.get(), | ||||
12121 | E->getRParenLoc(), | ||||
12122 | E->isListInitialization()); | ||||
12123 | } | ||||
12124 | |||||
12125 | template<typename Derived> | ||||
12126 | ExprResult | ||||
12127 | TreeTransform<Derived>::TransformCXXTypeidExpr(CXXTypeidExpr *E) { | ||||
12128 | if (E->isTypeOperand()) { | ||||
12129 | TypeSourceInfo *TInfo | ||||
12130 | = getDerived().TransformType(E->getTypeOperandSourceInfo()); | ||||
12131 | if (!TInfo) | ||||
12132 | return ExprError(); | ||||
12133 | |||||
12134 | if (!getDerived().AlwaysRebuild() && | ||||
12135 | TInfo == E->getTypeOperandSourceInfo()) | ||||
12136 | return E; | ||||
12137 | |||||
12138 | return getDerived().RebuildCXXTypeidExpr(E->getType(), E->getBeginLoc(), | ||||
12139 | TInfo, E->getEndLoc()); | ||||
12140 | } | ||||
12141 | |||||
12142 | // Typeid's operand is an unevaluated context, unless it's a polymorphic | ||||
12143 | // type. We must not unilaterally enter unevaluated context here, as then | ||||
12144 | // semantic processing can re-transform an already transformed operand. | ||||
12145 | Expr *Op = E->getExprOperand(); | ||||
12146 | auto EvalCtx = Sema::ExpressionEvaluationContext::Unevaluated; | ||||
12147 | if (E->isGLValue()) | ||||
12148 | if (auto *RecordT = Op->getType()->getAs<RecordType>()) | ||||
12149 | if (cast<CXXRecordDecl>(RecordT->getDecl())->isPolymorphic()) | ||||
12150 | EvalCtx = SemaRef.ExprEvalContexts.back().Context; | ||||
12151 | |||||
12152 | EnterExpressionEvaluationContext Unevaluated(SemaRef, EvalCtx, | ||||
12153 | Sema::ReuseLambdaContextDecl); | ||||
12154 | |||||
12155 | ExprResult SubExpr = getDerived().TransformExpr(Op); | ||||
12156 | if (SubExpr.isInvalid()) | ||||
12157 | return ExprError(); | ||||
12158 | |||||
12159 | if (!getDerived().AlwaysRebuild() && | ||||
12160 | SubExpr.get() == E->getExprOperand()) | ||||
12161 | return E; | ||||
12162 | |||||
12163 | return getDerived().RebuildCXXTypeidExpr(E->getType(), E->getBeginLoc(), | ||||
12164 | SubExpr.get(), E->getEndLoc()); | ||||
12165 | } | ||||
12166 | |||||
12167 | template<typename Derived> | ||||
12168 | ExprResult | ||||
12169 | TreeTransform<Derived>::TransformCXXUuidofExpr(CXXUuidofExpr *E) { | ||||
12170 | if (E->isTypeOperand()) { | ||||
12171 | TypeSourceInfo *TInfo | ||||
12172 | = getDerived().TransformType(E->getTypeOperandSourceInfo()); | ||||
12173 | if (!TInfo) | ||||
12174 | return ExprError(); | ||||
12175 | |||||
12176 | if (!getDerived().AlwaysRebuild() && | ||||
12177 | TInfo == E->getTypeOperandSourceInfo()) | ||||
12178 | return E; | ||||
12179 | |||||
12180 | return getDerived().RebuildCXXUuidofExpr(E->getType(), E->getBeginLoc(), | ||||
12181 | TInfo, E->getEndLoc()); | ||||
12182 | } | ||||
12183 | |||||
12184 | EnterExpressionEvaluationContext Unevaluated( | ||||
12185 | SemaRef, Sema::ExpressionEvaluationContext::Unevaluated); | ||||
12186 | |||||
12187 | ExprResult SubExpr = getDerived().TransformExpr(E->getExprOperand()); | ||||
12188 | if (SubExpr.isInvalid()) | ||||
12189 | return ExprError(); | ||||
12190 | |||||
12191 | if (!getDerived().AlwaysRebuild() && | ||||
12192 | SubExpr.get() == E->getExprOperand()) | ||||
12193 | return E; | ||||
12194 | |||||
12195 | return getDerived().RebuildCXXUuidofExpr(E->getType(), E->getBeginLoc(), | ||||
12196 | SubExpr.get(), E->getEndLoc()); | ||||
12197 | } | ||||
12198 | |||||
12199 | template<typename Derived> | ||||
12200 | ExprResult | ||||
12201 | TreeTransform<Derived>::TransformCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) { | ||||
12202 | return E; | ||||
12203 | } | ||||
12204 | |||||
12205 | template<typename Derived> | ||||
12206 | ExprResult | ||||
12207 | TreeTransform<Derived>::TransformCXXNullPtrLiteralExpr( | ||||
12208 | CXXNullPtrLiteralExpr *E) { | ||||
12209 | return E; | ||||
12210 | } | ||||
12211 | |||||
12212 | template<typename Derived> | ||||
12213 | ExprResult | ||||
12214 | TreeTransform<Derived>::TransformCXXThisExpr(CXXThisExpr *E) { | ||||
12215 | QualType T = getSema().getCurrentThisType(); | ||||
12216 | |||||
12217 | if (!getDerived().AlwaysRebuild() && T == E->getType()) { | ||||
12218 | // Mark it referenced in the new context regardless. | ||||
12219 | // FIXME: this is a bit instantiation-specific. | ||||
12220 | getSema().MarkThisReferenced(E); | ||||
12221 | return E; | ||||
12222 | } | ||||
12223 | |||||
12224 | return getDerived().RebuildCXXThisExpr(E->getBeginLoc(), T, E->isImplicit()); | ||||
12225 | } | ||||
12226 | |||||
12227 | template<typename Derived> | ||||
12228 | ExprResult | ||||
12229 | TreeTransform<Derived>::TransformCXXThrowExpr(CXXThrowExpr *E) { | ||||
12230 | ExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); | ||||
12231 | if (SubExpr.isInvalid()) | ||||
12232 | return ExprError(); | ||||
12233 | |||||
12234 | if (!getDerived().AlwaysRebuild() && | ||||
12235 | SubExpr.get() == E->getSubExpr()) | ||||
12236 | return E; | ||||
12237 | |||||
12238 | return getDerived().RebuildCXXThrowExpr(E->getThrowLoc(), SubExpr.get(), | ||||
12239 | E->isThrownVariableInScope()); | ||||
12240 | } | ||||
12241 | |||||
12242 | template<typename Derived> | ||||
12243 | ExprResult | ||||
12244 | TreeTransform<Derived>::TransformCXXDefaultArgExpr(CXXDefaultArgExpr *E) { | ||||
12245 | ParmVarDecl *Param = cast_or_null<ParmVarDecl>( | ||||
12246 | getDerived().TransformDecl(E->getBeginLoc(), E->getParam())); | ||||
12247 | if (!Param) | ||||
12248 | return ExprError(); | ||||
12249 | |||||
12250 | ExprResult InitRes; | ||||
12251 | if (E->hasRewrittenInit()) { | ||||
12252 | InitRes = getDerived().TransformExpr(E->getRewrittenExpr()); | ||||
12253 | if (InitRes.isInvalid()) | ||||
12254 | return ExprError(); | ||||
12255 | } | ||||
12256 | |||||
12257 | if (!getDerived().AlwaysRebuild() && Param == E->getParam() && | ||||
12258 | E->getUsedContext() == SemaRef.CurContext && | ||||
12259 | InitRes.get() == E->getRewrittenExpr()) | ||||
12260 | return E; | ||||
12261 | |||||
12262 | return getDerived().RebuildCXXDefaultArgExpr(E->getUsedLocation(), Param, | ||||
12263 | InitRes.get()); | ||||
12264 | } | ||||
12265 | |||||
12266 | template<typename Derived> | ||||
12267 | ExprResult | ||||
12268 | TreeTransform<Derived>::TransformCXXDefaultInitExpr(CXXDefaultInitExpr *E) { | ||||
12269 | FieldDecl *Field = cast_or_null<FieldDecl>( | ||||
12270 | getDerived().TransformDecl(E->getBeginLoc(), E->getField())); | ||||
12271 | if (!Field) | ||||
12272 | return ExprError(); | ||||
12273 | |||||
12274 | if (!getDerived().AlwaysRebuild() && Field == E->getField() && | ||||
12275 | E->getUsedContext() == SemaRef.CurContext) | ||||
12276 | return E; | ||||
12277 | |||||
12278 | return getDerived().RebuildCXXDefaultInitExpr(E->getExprLoc(), Field); | ||||
12279 | } | ||||
12280 | |||||
12281 | template<typename Derived> | ||||
12282 | ExprResult | ||||
12283 | TreeTransform<Derived>::TransformCXXScalarValueInitExpr( | ||||
12284 | CXXScalarValueInitExpr *E) { | ||||
12285 | TypeSourceInfo *T = getDerived().TransformType(E->getTypeSourceInfo()); | ||||
12286 | if (!T) | ||||
12287 | return ExprError(); | ||||
12288 | |||||
12289 | if (!getDerived().AlwaysRebuild() && | ||||
12290 | T == E->getTypeSourceInfo()) | ||||
12291 | return E; | ||||
12292 | |||||
12293 | return getDerived().RebuildCXXScalarValueInitExpr(T, | ||||
12294 | /*FIXME:*/T->getTypeLoc().getEndLoc(), | ||||
12295 | E->getRParenLoc()); | ||||
12296 | } | ||||
12297 | |||||
12298 | template<typename Derived> | ||||
12299 | ExprResult | ||||
12300 | TreeTransform<Derived>::TransformCXXNewExpr(CXXNewExpr *E) { | ||||
12301 | // Transform the type that we're allocating | ||||
12302 | TypeSourceInfo *AllocTypeInfo = | ||||
12303 | getDerived().TransformTypeWithDeducedTST(E->getAllocatedTypeSourceInfo()); | ||||
12304 | if (!AllocTypeInfo) | ||||
12305 | return ExprError(); | ||||
12306 | |||||
12307 | // Transform the size of the array we're allocating (if any). | ||||
12308 | std::optional<Expr *> ArraySize; | ||||
12309 | if (E->isArray()) { | ||||
12310 | ExprResult NewArraySize; | ||||
12311 | if (std::optional<Expr *> OldArraySize = E->getArraySize()) { | ||||
12312 | NewArraySize = getDerived().TransformExpr(*OldArraySize); | ||||
12313 | if (NewArraySize.isInvalid()) | ||||
12314 | return ExprError(); | ||||
12315 | } | ||||
12316 | ArraySize = NewArraySize.get(); | ||||
12317 | } | ||||
12318 | |||||
12319 | // Transform the placement arguments (if any). | ||||
12320 | bool ArgumentChanged = false; | ||||
12321 | SmallVector<Expr*, 8> PlacementArgs; | ||||
12322 | if (getDerived().TransformExprs(E->getPlacementArgs(), | ||||
12323 | E->getNumPlacementArgs(), true, | ||||
12324 | PlacementArgs, &ArgumentChanged)) | ||||
12325 | return ExprError(); | ||||
12326 | |||||
12327 | // Transform the initializer (if any). | ||||
12328 | Expr *OldInit = E->getInitializer(); | ||||
12329 | ExprResult NewInit; | ||||
12330 | if (OldInit) | ||||
12331 | NewInit = getDerived().TransformInitializer(OldInit, true); | ||||
12332 | if (NewInit.isInvalid()) | ||||
12333 | return ExprError(); | ||||
12334 | |||||
12335 | // Transform new operator and delete operator. | ||||
12336 | FunctionDecl *OperatorNew = nullptr; | ||||
12337 | if (E->getOperatorNew()) { | ||||
12338 | OperatorNew = cast_or_null<FunctionDecl>( | ||||
12339 | getDerived().TransformDecl(E->getBeginLoc(), E->getOperatorNew())); | ||||
12340 | if (!OperatorNew) | ||||
12341 | return ExprError(); | ||||
12342 | } | ||||
12343 | |||||
12344 | FunctionDecl *OperatorDelete = nullptr; | ||||
12345 | if (E->getOperatorDelete()) { | ||||
12346 | OperatorDelete = cast_or_null<FunctionDecl>( | ||||
12347 | getDerived().TransformDecl(E->getBeginLoc(), E->getOperatorDelete())); | ||||
12348 | if (!OperatorDelete) | ||||
12349 | return ExprError(); | ||||
12350 | } | ||||
12351 | |||||
12352 | if (!getDerived().AlwaysRebuild() && | ||||
12353 | AllocTypeInfo == E->getAllocatedTypeSourceInfo() && | ||||
12354 | ArraySize == E->getArraySize() && | ||||
12355 | NewInit.get() == OldInit && | ||||
12356 | OperatorNew == E->getOperatorNew() && | ||||
12357 | OperatorDelete == E->getOperatorDelete() && | ||||
12358 | !ArgumentChanged) { | ||||
12359 | // Mark any declarations we need as referenced. | ||||
12360 | // FIXME: instantiation-specific. | ||||
12361 | if (OperatorNew) | ||||
12362 | SemaRef.MarkFunctionReferenced(E->getBeginLoc(), OperatorNew); | ||||
12363 | if (OperatorDelete) | ||||
12364 | SemaRef.MarkFunctionReferenced(E->getBeginLoc(), OperatorDelete); | ||||
12365 | |||||
12366 | if (E->isArray() && !E->getAllocatedType()->isDependentType()) { | ||||
12367 | QualType ElementType | ||||
12368 | = SemaRef.Context.getBaseElementType(E->getAllocatedType()); | ||||
12369 | if (const RecordType *RecordT = ElementType->getAs<RecordType>()) { | ||||
12370 | CXXRecordDecl *Record = cast<CXXRecordDecl>(RecordT->getDecl()); | ||||
12371 | if (CXXDestructorDecl *Destructor = SemaRef.LookupDestructor(Record)) { | ||||
12372 | SemaRef.MarkFunctionReferenced(E->getBeginLoc(), Destructor); | ||||
12373 | } | ||||
12374 | } | ||||
12375 | } | ||||
12376 | |||||
12377 | return E; | ||||
12378 | } | ||||
12379 | |||||
12380 | QualType AllocType = AllocTypeInfo->getType(); | ||||
12381 | if (!ArraySize) { | ||||
12382 | // If no array size was specified, but the new expression was | ||||
12383 | // instantiated with an array type (e.g., "new T" where T is | ||||
12384 | // instantiated with "int[4]"), extract the outer bound from the | ||||
12385 | // array type as our array size. We do this with constant and | ||||
12386 | // dependently-sized array types. | ||||
12387 | const ArrayType *ArrayT = SemaRef.Context.getAsArrayType(AllocType); | ||||
12388 | if (!ArrayT) { | ||||
12389 | // Do nothing | ||||
12390 | } else if (const ConstantArrayType *ConsArrayT | ||||
12391 | = dyn_cast<ConstantArrayType>(ArrayT)) { | ||||
12392 | ArraySize = IntegerLiteral::Create(SemaRef.Context, ConsArrayT->getSize(), | ||||
12393 | SemaRef.Context.getSizeType(), | ||||
12394 | /*FIXME:*/ E->getBeginLoc()); | ||||
12395 | AllocType = ConsArrayT->getElementType(); | ||||
12396 | } else if (const DependentSizedArrayType *DepArrayT | ||||
12397 | = dyn_cast<DependentSizedArrayType>(ArrayT)) { | ||||
12398 | if (DepArrayT->getSizeExpr()) { | ||||
12399 | ArraySize = DepArrayT->getSizeExpr(); | ||||
12400 | AllocType = DepArrayT->getElementType(); | ||||
12401 | } | ||||
12402 | } | ||||
12403 | } | ||||
12404 | |||||
12405 | return getDerived().RebuildCXXNewExpr( | ||||
12406 | E->getBeginLoc(), E->isGlobalNew(), | ||||
12407 | /*FIXME:*/ E->getBeginLoc(), PlacementArgs, | ||||
12408 | /*FIXME:*/ E->getBeginLoc(), E->getTypeIdParens(), AllocType, | ||||
12409 | AllocTypeInfo, ArraySize, E->getDirectInitRange(), NewInit.get()); | ||||
12410 | } | ||||
12411 | |||||
12412 | template<typename Derived> | ||||
12413 | ExprResult | ||||
12414 | TreeTransform<Derived>::TransformCXXDeleteExpr(CXXDeleteExpr *E) { | ||||
12415 | ExprResult Operand = getDerived().TransformExpr(E->getArgument()); | ||||
12416 | if (Operand.isInvalid()) | ||||
12417 | return ExprError(); | ||||
12418 | |||||
12419 | // Transform the delete operator, if known. | ||||
12420 | FunctionDecl *OperatorDelete = nullptr; | ||||
12421 | if (E->getOperatorDelete()) { | ||||
12422 | OperatorDelete = cast_or_null<FunctionDecl>( | ||||
12423 | getDerived().TransformDecl(E->getBeginLoc(), E->getOperatorDelete())); | ||||
12424 | if (!OperatorDelete) | ||||
12425 | return ExprError(); | ||||
12426 | } | ||||
12427 | |||||
12428 | if (!getDerived().AlwaysRebuild() && | ||||
12429 | Operand.get() == E->getArgument() && | ||||
12430 | OperatorDelete == E->getOperatorDelete()) { | ||||
12431 | // Mark any declarations we need as referenced. | ||||
12432 | // FIXME: instantiation-specific. | ||||
12433 | if (OperatorDelete) | ||||
12434 | SemaRef.MarkFunctionReferenced(E->getBeginLoc(), OperatorDelete); | ||||
12435 | |||||
12436 | if (!E->getArgument()->isTypeDependent()) { | ||||
12437 | QualType Destroyed = SemaRef.Context.getBaseElementType( | ||||
12438 | E->getDestroyedType()); | ||||
12439 | if (const RecordType *DestroyedRec = Destroyed->getAs<RecordType>()) { | ||||
12440 | CXXRecordDecl *Record = cast<CXXRecordDecl>(DestroyedRec->getDecl()); | ||||
12441 | SemaRef.MarkFunctionReferenced(E->getBeginLoc(), | ||||
12442 | SemaRef.LookupDestructor(Record)); | ||||
12443 | } | ||||
12444 | } | ||||
12445 | |||||
12446 | return E; | ||||
12447 | } | ||||
12448 | |||||
12449 | return getDerived().RebuildCXXDeleteExpr( | ||||
12450 | E->getBeginLoc(), E->isGlobalDelete(), E->isArrayForm(), Operand.get()); | ||||
12451 | } | ||||
12452 | |||||
12453 | template<typename Derived> | ||||
12454 | ExprResult | ||||
12455 | TreeTransform<Derived>::TransformCXXPseudoDestructorExpr( | ||||
12456 | CXXPseudoDestructorExpr *E) { | ||||
12457 | ExprResult Base = getDerived().TransformExpr(E->getBase()); | ||||
12458 | if (Base.isInvalid()) | ||||
12459 | return ExprError(); | ||||
12460 | |||||
12461 | ParsedType ObjectTypePtr; | ||||
12462 | bool MayBePseudoDestructor = false; | ||||
12463 | Base = SemaRef.ActOnStartCXXMemberReference(nullptr, Base.get(), | ||||
12464 | E->getOperatorLoc(), | ||||
12465 | E->isArrow()? tok::arrow : tok::period, | ||||
12466 | ObjectTypePtr, | ||||
12467 | MayBePseudoDestructor); | ||||
12468 | if (Base.isInvalid()) | ||||
12469 | return ExprError(); | ||||
12470 | |||||
12471 | QualType ObjectType = ObjectTypePtr.get(); | ||||
12472 | NestedNameSpecifierLoc QualifierLoc = E->getQualifierLoc(); | ||||
12473 | if (QualifierLoc) { | ||||
12474 | QualifierLoc | ||||
12475 | = getDerived().TransformNestedNameSpecifierLoc(QualifierLoc, ObjectType); | ||||
12476 | if (!QualifierLoc) | ||||
12477 | return ExprError(); | ||||
12478 | } | ||||
12479 | CXXScopeSpec SS; | ||||
12480 | SS.Adopt(QualifierLoc); | ||||
12481 | |||||
12482 | PseudoDestructorTypeStorage Destroyed; | ||||
12483 | if (E->getDestroyedTypeInfo()) { | ||||
12484 | TypeSourceInfo *DestroyedTypeInfo | ||||
12485 | = getDerived().TransformTypeInObjectScope(E->getDestroyedTypeInfo(), | ||||
12486 | ObjectType, nullptr, SS); | ||||
12487 | if (!DestroyedTypeInfo) | ||||
12488 | return ExprError(); | ||||
12489 | Destroyed = DestroyedTypeInfo; | ||||
12490 | } else if (!ObjectType.isNull() && ObjectType->isDependentType()) { | ||||
12491 | // We aren't likely to be able to resolve the identifier down to a type | ||||
12492 | // now anyway, so just retain the identifier. | ||||
12493 | Destroyed = PseudoDestructorTypeStorage(E->getDestroyedTypeIdentifier(), | ||||
12494 | E->getDestroyedTypeLoc()); | ||||
12495 | } else { | ||||
12496 | // Look for a destructor known with the given name. | ||||
12497 | ParsedType T = SemaRef.getDestructorName(E->getTildeLoc(), | ||||
12498 | *E->getDestroyedTypeIdentifier(), | ||||
12499 | E->getDestroyedTypeLoc(), | ||||
12500 | /*Scope=*/nullptr, | ||||
12501 | SS, ObjectTypePtr, | ||||
12502 | false); | ||||
12503 | if (!T) | ||||
12504 | return ExprError(); | ||||
12505 | |||||
12506 | Destroyed | ||||
12507 | = SemaRef.Context.getTrivialTypeSourceInfo(SemaRef.GetTypeFromParser(T), | ||||
12508 | E->getDestroyedTypeLoc()); | ||||
12509 | } | ||||
12510 | |||||
12511 | TypeSourceInfo *ScopeTypeInfo = nullptr; | ||||
12512 | if (E->getScopeTypeInfo()) { | ||||
12513 | CXXScopeSpec EmptySS; | ||||
12514 | ScopeTypeInfo = getDerived().TransformTypeInObjectScope( | ||||
12515 | E->getScopeTypeInfo(), ObjectType, nullptr, EmptySS); | ||||
12516 | if (!ScopeTypeInfo) | ||||
12517 | return ExprError(); | ||||
12518 | } | ||||
12519 | |||||
12520 | return getDerived().RebuildCXXPseudoDestructorExpr(Base.get(), | ||||
12521 | E->getOperatorLoc(), | ||||
12522 | E->isArrow(), | ||||
12523 | SS, | ||||
12524 | ScopeTypeInfo, | ||||
12525 | E->getColonColonLoc(), | ||||
12526 | E->getTildeLoc(), | ||||
12527 | Destroyed); | ||||
12528 | } | ||||
12529 | |||||
12530 | template <typename Derived> | ||||
12531 | bool TreeTransform<Derived>::TransformOverloadExprDecls(OverloadExpr *Old, | ||||
12532 | bool RequiresADL, | ||||
12533 | LookupResult &R) { | ||||
12534 | // Transform all the decls. | ||||
12535 | bool AllEmptyPacks = true; | ||||
12536 | for (auto *OldD : Old->decls()) { | ||||
12537 | Decl *InstD = getDerived().TransformDecl(Old->getNameLoc(), OldD); | ||||
12538 | if (!InstD) { | ||||
12539 | // Silently ignore these if a UsingShadowDecl instantiated to nothing. | ||||
12540 | // This can happen because of dependent hiding. | ||||
12541 | if (isa<UsingShadowDecl>(OldD)) | ||||
12542 | continue; | ||||
12543 | else { | ||||
12544 | R.clear(); | ||||
12545 | return true; | ||||
12546 | } | ||||
12547 | } | ||||
12548 | |||||
12549 | // Expand using pack declarations. | ||||
12550 | NamedDecl *SingleDecl = cast<NamedDecl>(InstD); | ||||
12551 | ArrayRef<NamedDecl*> Decls = SingleDecl; | ||||
12552 | if (auto *UPD = dyn_cast<UsingPackDecl>(InstD)) | ||||
12553 | Decls = UPD->expansions(); | ||||
12554 | |||||
12555 | // Expand using declarations. | ||||
12556 | for (auto *D : Decls) { | ||||
12557 | if (auto *UD = dyn_cast<UsingDecl>(D)) { | ||||
12558 | for (auto *SD : UD->shadows()) | ||||
12559 | R.addDecl(SD); | ||||
12560 | } else { | ||||
12561 | R.addDecl(D); | ||||
12562 | } | ||||
12563 | } | ||||
12564 | |||||
12565 | AllEmptyPacks &= Decls.empty(); | ||||
12566 | }; | ||||
12567 | |||||
12568 | // C++ [temp.res]/8.4.2: | ||||
12569 | // The program is ill-formed, no diagnostic required, if [...] lookup for | ||||
12570 | // a name in the template definition found a using-declaration, but the | ||||
12571 | // lookup in the corresponding scope in the instantiation odoes not find | ||||
12572 | // any declarations because the using-declaration was a pack expansion and | ||||
12573 | // the corresponding pack is empty | ||||
12574 | if (AllEmptyPacks && !RequiresADL) { | ||||
12575 | getSema().Diag(Old->getNameLoc(), diag::err_using_pack_expansion_empty) | ||||
12576 | << isa<UnresolvedMemberExpr>(Old) << Old->getName(); | ||||
12577 | return true; | ||||
12578 | } | ||||
12579 | |||||
12580 | // Resolve a kind, but don't do any further analysis. If it's | ||||
12581 | // ambiguous, the callee needs to deal with it. | ||||
12582 | R.resolveKind(); | ||||
12583 | return false; | ||||
12584 | } | ||||
12585 | |||||
12586 | template<typename Derived> | ||||
12587 | ExprResult | ||||
12588 | TreeTransform<Derived>::TransformUnresolvedLookupExpr( | ||||
12589 | UnresolvedLookupExpr *Old) { | ||||
12590 | LookupResult R(SemaRef, Old->getName(), Old->getNameLoc(), | ||||
12591 | Sema::LookupOrdinaryName); | ||||
12592 | |||||
12593 | // Transform the declaration set. | ||||
12594 | if (TransformOverloadExprDecls(Old, Old->requiresADL(), R)) | ||||
12595 | return ExprError(); | ||||
12596 | |||||
12597 | // Rebuild the nested-name qualifier, if present. | ||||
12598 | CXXScopeSpec SS; | ||||
12599 | if (Old->getQualifierLoc()) { | ||||
12600 | NestedNameSpecifierLoc QualifierLoc | ||||
12601 | = getDerived().TransformNestedNameSpecifierLoc(Old->getQualifierLoc()); | ||||
12602 | if (!QualifierLoc) | ||||
12603 | return ExprError(); | ||||
12604 | |||||
12605 | SS.Adopt(QualifierLoc); | ||||
12606 | } | ||||
12607 | |||||
12608 | if (Old->getNamingClass()) { | ||||
12609 | CXXRecordDecl *NamingClass | ||||
12610 | = cast_or_null<CXXRecordDecl>(getDerived().TransformDecl( | ||||
12611 | Old->getNameLoc(), | ||||
12612 | Old->getNamingClass())); | ||||
12613 | if (!NamingClass) { | ||||
12614 | R.clear(); | ||||
12615 | return ExprError(); | ||||
12616 | } | ||||
12617 | |||||
12618 | R.setNamingClass(NamingClass); | ||||
12619 | } | ||||
12620 | |||||
12621 | SourceLocation TemplateKWLoc = Old->getTemplateKeywordLoc(); | ||||
12622 | |||||
12623 | // If we have neither explicit template arguments, nor the template keyword, | ||||
12624 | // it's a normal declaration name or member reference. | ||||
12625 | if (!Old->hasExplicitTemplateArgs() && !TemplateKWLoc.isValid()) { | ||||
12626 | NamedDecl *D = R.getAsSingle<NamedDecl>(); | ||||
12627 | // In a C++11 unevaluated context, an UnresolvedLookupExpr might refer to an | ||||
12628 | // instance member. In other contexts, BuildPossibleImplicitMemberExpr will | ||||
12629 | // give a good diagnostic. | ||||
12630 | if (D && D->isCXXInstanceMember()) { | ||||
12631 | return SemaRef.BuildPossibleImplicitMemberExpr(SS, TemplateKWLoc, R, | ||||
12632 | /*TemplateArgs=*/nullptr, | ||||
12633 | /*Scope=*/nullptr); | ||||
12634 | } | ||||
12635 | |||||
12636 | return getDerived().RebuildDeclarationNameExpr(SS, R, Old->requiresADL()); | ||||
12637 | } | ||||
12638 | |||||
12639 | // If we have template arguments, rebuild them, then rebuild the | ||||
12640 | // templateid expression. | ||||
12641 | TemplateArgumentListInfo TransArgs(Old->getLAngleLoc(), Old->getRAngleLoc()); | ||||
12642 | if (Old->hasExplicitTemplateArgs() && | ||||
12643 | getDerived().TransformTemplateArguments(Old->getTemplateArgs(), | ||||
12644 | Old->getNumTemplateArgs(), | ||||
12645 | TransArgs)) { | ||||
12646 | R.clear(); | ||||
12647 | return ExprError(); | ||||
12648 | } | ||||
12649 | |||||
12650 | return getDerived().RebuildTemplateIdExpr(SS, TemplateKWLoc, R, | ||||
12651 | Old->requiresADL(), &TransArgs); | ||||
12652 | } | ||||
12653 | |||||
12654 | template<typename Derived> | ||||
12655 | ExprResult | ||||
12656 | TreeTransform<Derived>::TransformTypeTraitExpr(TypeTraitExpr *E) { | ||||
12657 | bool ArgChanged = false; | ||||
12658 | SmallVector<TypeSourceInfo *, 4> Args; | ||||
12659 | for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) { | ||||
12660 | TypeSourceInfo *From = E->getArg(I); | ||||
12661 | TypeLoc FromTL = From->getTypeLoc(); | ||||
12662 | if (!FromTL.getAs<PackExpansionTypeLoc>()) { | ||||
12663 | TypeLocBuilder TLB; | ||||
12664 | TLB.reserve(FromTL.getFullDataSize()); | ||||
12665 | QualType To = getDerived().TransformType(TLB, FromTL); | ||||
12666 | if (To.isNull()) | ||||
12667 | return ExprError(); | ||||
12668 | |||||
12669 | if (To == From->getType()) | ||||
12670 | Args.push_back(From); | ||||
12671 | else { | ||||
12672 | Args.push_back(TLB.getTypeSourceInfo(SemaRef.Context, To)); | ||||
12673 | ArgChanged = true; | ||||
12674 | } | ||||
12675 | continue; | ||||
12676 | } | ||||
12677 | |||||
12678 | ArgChanged = true; | ||||
12679 | |||||
12680 | // We have a pack expansion. Instantiate it. | ||||
12681 | PackExpansionTypeLoc ExpansionTL = FromTL.castAs<PackExpansionTypeLoc>(); | ||||
12682 | TypeLoc PatternTL = ExpansionTL.getPatternLoc(); | ||||
12683 | SmallVector<UnexpandedParameterPack, 2> Unexpanded; | ||||
12684 | SemaRef.collectUnexpandedParameterPacks(PatternTL, Unexpanded); | ||||
12685 | |||||
12686 | // Determine whether the set of unexpanded parameter packs can and should | ||||
12687 | // be expanded. | ||||
12688 | bool Expand = true; | ||||
12689 | bool RetainExpansion = false; | ||||
12690 | std::optional<unsigned> OrigNumExpansions = | ||||
12691 | ExpansionTL.getTypePtr()->getNumExpansions(); | ||||
12692 | std::optional<unsigned> NumExpansions = OrigNumExpansions; | ||||
12693 | if (getDerived().TryExpandParameterPacks(ExpansionTL.getEllipsisLoc(), | ||||
12694 | PatternTL.getSourceRange(), | ||||
12695 | Unexpanded, | ||||
12696 | Expand, RetainExpansion, | ||||
12697 | NumExpansions)) | ||||
12698 | return ExprError(); | ||||
12699 | |||||
12700 | if (!Expand) { | ||||
12701 | // The transform has determined that we should perform a simple | ||||
12702 | // transformation on the pack expansion, producing another pack | ||||
12703 | // expansion. | ||||
12704 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), -1); | ||||
12705 | |||||
12706 | TypeLocBuilder TLB; | ||||
12707 | TLB.reserve(From->getTypeLoc().getFullDataSize()); | ||||
12708 | |||||
12709 | QualType To = getDerived().TransformType(TLB, PatternTL); | ||||
12710 | if (To.isNull()) | ||||
12711 | return ExprError(); | ||||
12712 | |||||
12713 | To = getDerived().RebuildPackExpansionType(To, | ||||
12714 | PatternTL.getSourceRange(), | ||||
12715 | ExpansionTL.getEllipsisLoc(), | ||||
12716 | NumExpansions); | ||||
12717 | if (To.isNull()) | ||||
12718 | return ExprError(); | ||||
12719 | |||||
12720 | PackExpansionTypeLoc ToExpansionTL | ||||
12721 | = TLB.push<PackExpansionTypeLoc>(To); | ||||
12722 | ToExpansionTL.setEllipsisLoc(ExpansionTL.getEllipsisLoc()); | ||||
12723 | Args.push_back(TLB.getTypeSourceInfo(SemaRef.Context, To)); | ||||
12724 | continue; | ||||
12725 | } | ||||
12726 | |||||
12727 | // Expand the pack expansion by substituting for each argument in the | ||||
12728 | // pack(s). | ||||
12729 | for (unsigned I = 0; I != *NumExpansions; ++I) { | ||||
12730 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(SemaRef, I); | ||||
12731 | TypeLocBuilder TLB; | ||||
12732 | TLB.reserve(PatternTL.getFullDataSize()); | ||||
12733 | QualType To = getDerived().TransformType(TLB, PatternTL); | ||||
12734 | if (To.isNull()) | ||||
12735 | return ExprError(); | ||||
12736 | |||||
12737 | if (To->containsUnexpandedParameterPack()) { | ||||
12738 | To = getDerived().RebuildPackExpansionType(To, | ||||
12739 | PatternTL.getSourceRange(), | ||||
12740 | ExpansionTL.getEllipsisLoc(), | ||||
12741 | NumExpansions); | ||||
12742 | if (To.isNull()) | ||||
12743 | return ExprError(); | ||||
12744 | |||||
12745 | PackExpansionTypeLoc ToExpansionTL | ||||
12746 | = TLB.push<PackExpansionTypeLoc>(To); | ||||
12747 | ToExpansionTL.setEllipsisLoc(ExpansionTL.getEllipsisLoc()); | ||||
12748 | } | ||||
12749 | |||||
12750 | Args.push_back(TLB.getTypeSourceInfo(SemaRef.Context, To)); | ||||
12751 | } | ||||
12752 | |||||
12753 | if (!RetainExpansion) | ||||
12754 | continue; | ||||
12755 | |||||
12756 | // If we're supposed to retain a pack expansion, do so by temporarily | ||||
12757 | // forgetting the partially-substituted parameter pack. | ||||
12758 | ForgetPartiallySubstitutedPackRAII Forget(getDerived()); | ||||
12759 | |||||
12760 | TypeLocBuilder TLB; | ||||
12761 | TLB.reserve(From->getTypeLoc().getFullDataSize()); | ||||
12762 | |||||
12763 | QualType To = getDerived().TransformType(TLB, PatternTL); | ||||
12764 | if (To.isNull()) | ||||
12765 | return ExprError(); | ||||
12766 | |||||
12767 | To = getDerived().RebuildPackExpansionType(To, | ||||
12768 | PatternTL.getSourceRange(), | ||||
12769 | ExpansionTL.getEllipsisLoc(), | ||||
12770 | NumExpansions); | ||||
12771 | if (To.isNull()) | ||||
12772 | return ExprError(); | ||||
12773 | |||||
12774 | PackExpansionTypeLoc ToExpansionTL | ||||
12775 | = TLB.push<PackExpansionTypeLoc>(To); | ||||
12776 | ToExpansionTL.setEllipsisLoc(ExpansionTL.getEllipsisLoc()); | ||||
12777 | Args.push_back(TLB.getTypeSourceInfo(SemaRef.Context, To)); | ||||
12778 | } | ||||
12779 | |||||
12780 | if (!getDerived().AlwaysRebuild() && !ArgChanged) | ||||
12781 | return E; | ||||
12782 | |||||
12783 | return getDerived().RebuildTypeTrait(E->getTrait(), E->getBeginLoc(), Args, | ||||
12784 | E->getEndLoc()); | ||||
12785 | } | ||||
12786 | |||||
12787 | template<typename Derived> | ||||
12788 | ExprResult | ||||
12789 | TreeTransform<Derived>::TransformConceptSpecializationExpr( | ||||
12790 | ConceptSpecializationExpr *E) { | ||||
12791 | const ASTTemplateArgumentListInfo *Old = E->getTemplateArgsAsWritten(); | ||||
12792 | TemplateArgumentListInfo TransArgs(Old->LAngleLoc, Old->RAngleLoc); | ||||
12793 | if (getDerived().TransformTemplateArguments(Old->getTemplateArgs(), | ||||
12794 | Old->NumTemplateArgs, TransArgs)) | ||||
12795 | return ExprError(); | ||||
12796 | |||||
12797 | return getDerived().RebuildConceptSpecializationExpr( | ||||
12798 | E->getNestedNameSpecifierLoc(), E->getTemplateKWLoc(), | ||||
12799 | E->getConceptNameInfo(), E->getFoundDecl(), E->getNamedConcept(), | ||||
12800 | &TransArgs); | ||||
12801 | } | ||||
12802 | |||||
12803 | template<typename Derived> | ||||
12804 | ExprResult | ||||
12805 | TreeTransform<Derived>::TransformRequiresExpr(RequiresExpr *E) { | ||||
12806 | SmallVector<ParmVarDecl*, 4> TransParams; | ||||
12807 | SmallVector<QualType, 4> TransParamTypes; | ||||
12808 | Sema::ExtParameterInfoBuilder ExtParamInfos; | ||||
12809 | |||||
12810 | // C++2a [expr.prim.req]p2 | ||||
12811 | // Expressions appearing within a requirement-body are unevaluated operands. | ||||
12812 | EnterExpressionEvaluationContext Ctx( | ||||
12813 | SemaRef, Sema::ExpressionEvaluationContext::Unevaluated, | ||||
12814 | Sema::ReuseLambdaContextDecl); | ||||
12815 | |||||
12816 | RequiresExprBodyDecl *Body = RequiresExprBodyDecl::Create( | ||||
12817 | getSema().Context, getSema().CurContext, | ||||
12818 | E->getBody()->getBeginLoc()); | ||||
12819 | |||||
12820 | Sema::ContextRAII SavedContext(getSema(), Body, /*NewThisContext*/false); | ||||
12821 | |||||
12822 | ExprResult TypeParamResult = getDerived().TransformRequiresTypeParams( | ||||
12823 | E->getRequiresKWLoc(), E->getRBraceLoc(), E, Body, | ||||
12824 | E->getLocalParameters(), TransParamTypes, TransParams, ExtParamInfos); | ||||
12825 | |||||
12826 | for (ParmVarDecl *Param : TransParams) | ||||
12827 | if (Param) | ||||
12828 | Param->setDeclContext(Body); | ||||
12829 | |||||
12830 | // On failure to transform, TransformRequiresTypeParams returns an expression | ||||
12831 | // in the event that the transformation of the type params failed in some way. | ||||
12832 | // It is expected that this will result in a 'not satisfied' Requires clause | ||||
12833 | // when instantiating. | ||||
12834 | if (!TypeParamResult.isUnset()) | ||||
12835 | return TypeParamResult; | ||||
12836 | |||||
12837 | SmallVector<concepts::Requirement *, 4> TransReqs; | ||||
12838 | if (getDerived().TransformRequiresExprRequirements(E->getRequirements(), | ||||
12839 | TransReqs)) | ||||
12840 | return ExprError(); | ||||
12841 | |||||
12842 | for (concepts::Requirement *Req : TransReqs) { | ||||
12843 | if (auto *ER = dyn_cast<concepts::ExprRequirement>(Req)) { | ||||
12844 | if (ER->getReturnTypeRequirement().isTypeConstraint()) { | ||||
12845 | ER->getReturnTypeRequirement() | ||||
12846 | .getTypeConstraintTemplateParameterList()->getParam(0) | ||||
12847 | ->setDeclContext(Body); | ||||
12848 | } | ||||
12849 | } | ||||
12850 | } | ||||
12851 | |||||
12852 | return getDerived().RebuildRequiresExpr(E->getRequiresKWLoc(), Body, | ||||
12853 | TransParams, TransReqs, | ||||
12854 | E->getRBraceLoc()); | ||||
12855 | } | ||||
12856 | |||||
12857 | template<typename Derived> | ||||
12858 | bool TreeTransform<Derived>::TransformRequiresExprRequirements( | ||||
12859 | ArrayRef<concepts::Requirement *> Reqs, | ||||
12860 | SmallVectorImpl<concepts::Requirement *> &Transformed) { | ||||
12861 | for (concepts::Requirement *Req : Reqs) { | ||||
12862 | concepts::Requirement *TransReq = nullptr; | ||||
12863 | if (auto *TypeReq = dyn_cast<concepts::TypeRequirement>(Req)) | ||||
12864 | TransReq = getDerived().TransformTypeRequirement(TypeReq); | ||||
12865 | else if (auto *ExprReq = dyn_cast<concepts::ExprRequirement>(Req)) | ||||
12866 | TransReq = getDerived().TransformExprRequirement(ExprReq); | ||||
12867 | else | ||||
12868 | TransReq = getDerived().TransformNestedRequirement( | ||||
12869 | cast<concepts::NestedRequirement>(Req)); | ||||
12870 | if (!TransReq) | ||||
12871 | return true; | ||||
12872 | Transformed.push_back(TransReq); | ||||
12873 | } | ||||
12874 | return false; | ||||
12875 | } | ||||
12876 | |||||
12877 | template<typename Derived> | ||||
12878 | concepts::TypeRequirement * | ||||
12879 | TreeTransform<Derived>::TransformTypeRequirement( | ||||
12880 | concepts::TypeRequirement *Req) { | ||||
12881 | if (Req->isSubstitutionFailure()) { | ||||
12882 | if (getDerived().AlwaysRebuild()) | ||||
12883 | return getDerived().RebuildTypeRequirement( | ||||
12884 | Req->getSubstitutionDiagnostic()); | ||||
12885 | return Req; | ||||
12886 | } | ||||
12887 | TypeSourceInfo *TransType = getDerived().TransformType(Req->getType()); | ||||
12888 | if (!TransType) | ||||
12889 | return nullptr; | ||||
12890 | return getDerived().RebuildTypeRequirement(TransType); | ||||
12891 | } | ||||
12892 | |||||
12893 | template<typename Derived> | ||||
12894 | concepts::ExprRequirement * | ||||
12895 | TreeTransform<Derived>::TransformExprRequirement(concepts::ExprRequirement *Req) { | ||||
12896 | llvm::PointerUnion<Expr *, concepts::Requirement::SubstitutionDiagnostic *> TransExpr; | ||||
12897 | if (Req->isExprSubstitutionFailure()) | ||||
12898 | TransExpr = Req->getExprSubstitutionDiagnostic(); | ||||
12899 | else { | ||||
12900 | ExprResult TransExprRes = getDerived().TransformExpr(Req->getExpr()); | ||||
12901 | if (TransExprRes.isUsable() && TransExprRes.get()->hasPlaceholderType()) | ||||
12902 | TransExprRes = SemaRef.CheckPlaceholderExpr(TransExprRes.get()); | ||||
12903 | if (TransExprRes.isInvalid()) | ||||
12904 | return nullptr; | ||||
12905 | TransExpr = TransExprRes.get(); | ||||
12906 | } | ||||
12907 | |||||
12908 | std::optional<concepts::ExprRequirement::ReturnTypeRequirement> TransRetReq; | ||||
12909 | const auto &RetReq = Req->getReturnTypeRequirement(); | ||||
12910 | if (RetReq.isEmpty()) | ||||
12911 | TransRetReq.emplace(); | ||||
12912 | else if (RetReq.isSubstitutionFailure()) | ||||
12913 | TransRetReq.emplace(RetReq.getSubstitutionDiagnostic()); | ||||
12914 | else if (RetReq.isTypeConstraint()) { | ||||
12915 | TemplateParameterList *OrigTPL = | ||||
12916 | RetReq.getTypeConstraintTemplateParameterList(); | ||||
12917 | TemplateParameterList *TPL = | ||||
12918 | getDerived().TransformTemplateParameterList(OrigTPL); | ||||
12919 | if (!TPL) | ||||
12920 | return nullptr; | ||||
12921 | TransRetReq.emplace(TPL); | ||||
12922 | } | ||||
12923 | assert(TransRetReq && "All code paths leading here must set TransRetReq")(static_cast <bool> (TransRetReq && "All code paths leading here must set TransRetReq" ) ? void (0) : __assert_fail ("TransRetReq && \"All code paths leading here must set TransRetReq\"" , "clang/lib/Sema/TreeTransform.h", 12923, __extension__ __PRETTY_FUNCTION__ )); | ||||
12924 | if (Expr *E = TransExpr.dyn_cast<Expr *>()) | ||||
12925 | return getDerived().RebuildExprRequirement(E, Req->isSimple(), | ||||
12926 | Req->getNoexceptLoc(), | ||||
12927 | std::move(*TransRetReq)); | ||||
12928 | return getDerived().RebuildExprRequirement( | ||||
12929 | TransExpr.get<concepts::Requirement::SubstitutionDiagnostic *>(), | ||||
12930 | Req->isSimple(), Req->getNoexceptLoc(), std::move(*TransRetReq)); | ||||
12931 | } | ||||
12932 | |||||
12933 | template<typename Derived> | ||||
12934 | concepts::NestedRequirement * | ||||
12935 | TreeTransform<Derived>::TransformNestedRequirement( | ||||
12936 | concepts::NestedRequirement *Req) { | ||||
12937 | if (Req->hasInvalidConstraint()) { | ||||
12938 | if (getDerived().AlwaysRebuild()) | ||||
12939 | return getDerived().RebuildNestedRequirement( | ||||
12940 | Req->getInvalidConstraintEntity(), Req->getConstraintSatisfaction()); | ||||
12941 | return Req; | ||||
12942 | } | ||||
12943 | ExprResult TransConstraint = | ||||
12944 | getDerived().TransformExpr(Req->getConstraintExpr()); | ||||
12945 | if (TransConstraint.isInvalid()) | ||||
12946 | return nullptr; | ||||
12947 | return getDerived().RebuildNestedRequirement(TransConstraint.get()); | ||||
12948 | } | ||||
12949 | |||||
12950 | template<typename Derived> | ||||
12951 | ExprResult | ||||
12952 | TreeTransform<Derived>::TransformArrayTypeTraitExpr(ArrayTypeTraitExpr *E) { | ||||
12953 | TypeSourceInfo *T = getDerived().TransformType(E->getQueriedTypeSourceInfo()); | ||||
12954 | if (!T) | ||||
12955 | return ExprError(); | ||||
12956 | |||||
12957 | if (!getDerived().AlwaysRebuild() && | ||||
12958 | T == E->getQueriedTypeSourceInfo()) | ||||
12959 | return E; | ||||
12960 | |||||
12961 | ExprResult SubExpr; | ||||
12962 | { | ||||
12963 | EnterExpressionEvaluationContext Unevaluated( | ||||
12964 | SemaRef, Sema::ExpressionEvaluationContext::Unevaluated); | ||||
12965 | SubExpr = getDerived().TransformExpr(E->getDimensionExpression()); | ||||
12966 | if (SubExpr.isInvalid()) | ||||
12967 | return ExprError(); | ||||
12968 | |||||
12969 | if (!getDerived().AlwaysRebuild() && SubExpr.get() == E->getDimensionExpression()) | ||||
12970 | return E; | ||||
12971 | } | ||||
12972 | |||||
12973 | return getDerived().RebuildArrayTypeTrait(E->getTrait(), E->getBeginLoc(), T, | ||||
12974 | SubExpr.get(), E->getEndLoc()); | ||||
12975 | } | ||||
12976 | |||||
12977 | template<typename Derived> | ||||
12978 | ExprResult | ||||
12979 | TreeTransform<Derived>::TransformExpressionTraitExpr(ExpressionTraitExpr *E) { | ||||
12980 | ExprResult SubExpr; | ||||
12981 | { | ||||
12982 | EnterExpressionEvaluationContext Unevaluated( | ||||
12983 | SemaRef, Sema::ExpressionEvaluationContext::Unevaluated); | ||||
12984 | SubExpr = getDerived().TransformExpr(E->getQueriedExpression()); | ||||
12985 | if (SubExpr.isInvalid()) | ||||
12986 | return ExprError(); | ||||
12987 | |||||
12988 | if (!getDerived().AlwaysRebuild() && SubExpr.get() == E->getQueriedExpression()) | ||||
12989 | return E; | ||||
12990 | } | ||||
12991 | |||||
12992 | return getDerived().RebuildExpressionTrait(E->getTrait(), E->getBeginLoc(), | ||||
12993 | SubExpr.get(), E->getEndLoc()); | ||||
12994 | } | ||||
12995 | |||||
12996 | template <typename Derived> | ||||
12997 | ExprResult TreeTransform<Derived>::TransformParenDependentScopeDeclRefExpr( | ||||
12998 | ParenExpr *PE, DependentScopeDeclRefExpr *DRE, bool AddrTaken, | ||||
12999 | TypeSourceInfo **RecoveryTSI) { | ||||
13000 | ExprResult NewDRE = getDerived().TransformDependentScopeDeclRefExpr( | ||||
13001 | DRE, AddrTaken, RecoveryTSI); | ||||
13002 | |||||
13003 | // Propagate both errors and recovered types, which return ExprEmpty. | ||||
13004 | if (!NewDRE.isUsable()) | ||||
13005 | return NewDRE; | ||||
13006 | |||||
13007 | // We got an expr, wrap it up in parens. | ||||
13008 | if (!getDerived().AlwaysRebuild() && NewDRE.get() == DRE) | ||||
13009 | return PE; | ||||
13010 | return getDerived().RebuildParenExpr(NewDRE.get(), PE->getLParen(), | ||||
13011 | PE->getRParen()); | ||||
13012 | } | ||||
13013 | |||||
13014 | template <typename Derived> | ||||
13015 | ExprResult TreeTransform<Derived>::TransformDependentScopeDeclRefExpr( | ||||
13016 | DependentScopeDeclRefExpr *E) { | ||||
13017 | return TransformDependentScopeDeclRefExpr(E, /*IsAddressOfOperand=*/false, | ||||
13018 | nullptr); | ||||
13019 | } | ||||
13020 | |||||
13021 | template <typename Derived> | ||||
13022 | ExprResult TreeTransform<Derived>::TransformDependentScopeDeclRefExpr( | ||||
13023 | DependentScopeDeclRefExpr *E, bool IsAddressOfOperand, | ||||
13024 | TypeSourceInfo **RecoveryTSI) { | ||||
13025 | assert(E->getQualifierLoc())(static_cast <bool> (E->getQualifierLoc()) ? void (0 ) : __assert_fail ("E->getQualifierLoc()", "clang/lib/Sema/TreeTransform.h" , 13025, __extension__ __PRETTY_FUNCTION__)); | ||||
13026 | NestedNameSpecifierLoc QualifierLoc = | ||||
13027 | getDerived().TransformNestedNameSpecifierLoc(E->getQualifierLoc()); | ||||
13028 | if (!QualifierLoc) | ||||
13029 | return ExprError(); | ||||
13030 | SourceLocation TemplateKWLoc = E->getTemplateKeywordLoc(); | ||||
13031 | |||||
13032 | // TODO: If this is a conversion-function-id, verify that the | ||||
13033 | // destination type name (if present) resolves the same way after | ||||
13034 | // instantiation as it did in the local scope. | ||||
13035 | |||||
13036 | DeclarationNameInfo NameInfo = | ||||
13037 | getDerived().TransformDeclarationNameInfo(E->getNameInfo()); | ||||
13038 | if (!NameInfo.getName()) | ||||
13039 | return ExprError(); | ||||
13040 | |||||
13041 | if (!E->hasExplicitTemplateArgs()) { | ||||
13042 | if (!getDerived().AlwaysRebuild() && QualifierLoc == E->getQualifierLoc() && | ||||
13043 | // Note: it is sufficient to compare the Name component of NameInfo: | ||||
13044 | // if name has not changed, DNLoc has not changed either. | ||||
13045 | NameInfo.getName() == E->getDeclName()) | ||||
13046 | return E; | ||||
13047 | |||||
13048 | return getDerived().RebuildDependentScopeDeclRefExpr( | ||||
13049 | QualifierLoc, TemplateKWLoc, NameInfo, /*TemplateArgs=*/nullptr, | ||||
13050 | IsAddressOfOperand, RecoveryTSI); | ||||
13051 | } | ||||
13052 | |||||
13053 | TemplateArgumentListInfo TransArgs(E->getLAngleLoc(), E->getRAngleLoc()); | ||||
13054 | if (getDerived().TransformTemplateArguments( | ||||
13055 | E->getTemplateArgs(), E->getNumTemplateArgs(), TransArgs)) | ||||
13056 | return ExprError(); | ||||
13057 | |||||
13058 | return getDerived().RebuildDependentScopeDeclRefExpr( | ||||
13059 | QualifierLoc, TemplateKWLoc, NameInfo, &TransArgs, IsAddressOfOperand, | ||||
13060 | RecoveryTSI); | ||||
13061 | } | ||||
13062 | |||||
13063 | template<typename Derived> | ||||
13064 | ExprResult | ||||
13065 | TreeTransform<Derived>::TransformCXXConstructExpr(CXXConstructExpr *E) { | ||||
13066 | // CXXConstructExprs other than for list-initialization and | ||||
13067 | // CXXTemporaryObjectExpr are always implicit, so when we have | ||||
13068 | // a 1-argument construction we just transform that argument. | ||||
13069 | if (getDerived().AllowSkippingCXXConstructExpr() && | ||||
13070 | ((E->getNumArgs() == 1 || | ||||
13071 | (E->getNumArgs() > 1 && getDerived().DropCallArgument(E->getArg(1)))) && | ||||
13072 | (!getDerived().DropCallArgument(E->getArg(0))) && | ||||
13073 | !E->isListInitialization())) | ||||
13074 | return getDerived().TransformInitializer(E->getArg(0), | ||||
13075 | /*DirectInit*/ false); | ||||
13076 | |||||
13077 | TemporaryBase Rebase(*this, /*FIXME*/ E->getBeginLoc(), DeclarationName()); | ||||
13078 | |||||
13079 | QualType T = getDerived().TransformType(E->getType()); | ||||
13080 | if (T.isNull()) | ||||
13081 | return ExprError(); | ||||
13082 | |||||
13083 | CXXConstructorDecl *Constructor = cast_or_null<CXXConstructorDecl>( | ||||
13084 | getDerived().TransformDecl(E->getBeginLoc(), E->getConstructor())); | ||||
13085 | if (!Constructor) | ||||
13086 | return ExprError(); | ||||
13087 | |||||
13088 | bool ArgumentChanged = false; | ||||
13089 | SmallVector<Expr*, 8> Args; | ||||
13090 | { | ||||
13091 | EnterExpressionEvaluationContext Context( | ||||
13092 | getSema(), EnterExpressionEvaluationContext::InitList, | ||||
13093 | E->isListInitialization()); | ||||
13094 | if (getDerived().TransformExprs(E->getArgs(), E->getNumArgs(), true, Args, | ||||
13095 | &ArgumentChanged)) | ||||
13096 | return ExprError(); | ||||
13097 | } | ||||
13098 | |||||
13099 | if (!getDerived().AlwaysRebuild() && | ||||
13100 | T == E->getType() && | ||||
13101 | Constructor == E->getConstructor() && | ||||
13102 | !ArgumentChanged) { | ||||
13103 | // Mark the constructor as referenced. | ||||
13104 | // FIXME: Instantiation-specific | ||||
13105 | SemaRef.MarkFunctionReferenced(E->getBeginLoc(), Constructor); | ||||
13106 | return E; | ||||
13107 | } | ||||
13108 | |||||
13109 | return getDerived().RebuildCXXConstructExpr( | ||||
13110 | T, /*FIXME:*/ E->getBeginLoc(), Constructor, E->isElidable(), Args, | ||||
13111 | E->hadMultipleCandidates(), E->isListInitialization(), | ||||
13112 | E->isStdInitListInitialization(), E->requiresZeroInitialization(), | ||||
13113 | E->getConstructionKind(), E->getParenOrBraceRange()); | ||||
13114 | } | ||||
13115 | |||||
13116 | template<typename Derived> | ||||
13117 | ExprResult TreeTransform<Derived>::TransformCXXInheritedCtorInitExpr( | ||||
13118 | CXXInheritedCtorInitExpr *E) { | ||||
13119 | QualType T = getDerived().TransformType(E->getType()); | ||||
13120 | if (T.isNull()) | ||||
13121 | return ExprError(); | ||||
13122 | |||||
13123 | CXXConstructorDecl *Constructor = cast_or_null<CXXConstructorDecl>( | ||||
13124 | getDerived().TransformDecl(E->getBeginLoc(), E->getConstructor())); | ||||
13125 | if (!Constructor) | ||||
13126 | return ExprError(); | ||||
13127 | |||||
13128 | if (!getDerived().AlwaysRebuild() && | ||||
13129 | T == E->getType() && | ||||
13130 | Constructor == E->getConstructor()) { | ||||
13131 | // Mark the constructor as referenced. | ||||
13132 | // FIXME: Instantiation-specific | ||||
13133 | SemaRef.MarkFunctionReferenced(E->getBeginLoc(), Constructor); | ||||
13134 | return E; | ||||
13135 | } | ||||
13136 | |||||
13137 | return getDerived().RebuildCXXInheritedCtorInitExpr( | ||||
13138 | T, E->getLocation(), Constructor, | ||||
13139 | E->constructsVBase(), E->inheritedFromVBase()); | ||||
13140 | } | ||||
13141 | |||||
13142 | /// Transform a C++ temporary-binding expression. | ||||
13143 | /// | ||||
13144 | /// Since CXXBindTemporaryExpr nodes are implicitly generated, we just | ||||
13145 | /// transform the subexpression and return that. | ||||
13146 | template<typename Derived> | ||||
13147 | ExprResult | ||||
13148 | TreeTransform<Derived>::TransformCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { | ||||
13149 | if (auto *Dtor = E->getTemporary()->getDestructor()) | ||||
13150 | SemaRef.MarkFunctionReferenced(E->getBeginLoc(), | ||||
13151 | const_cast<CXXDestructorDecl *>(Dtor)); | ||||
13152 | return getDerived().TransformExpr(E->getSubExpr()); | ||||
13153 | } | ||||
13154 | |||||
13155 | /// Transform a C++ expression that contains cleanups that should | ||||
13156 | /// be run after the expression is evaluated. | ||||
13157 | /// | ||||
13158 | /// Since ExprWithCleanups nodes are implicitly generated, we | ||||
13159 | /// just transform the subexpression and return that. | ||||
13160 | template<typename Derived> | ||||
13161 | ExprResult | ||||
13162 | TreeTransform<Derived>::TransformExprWithCleanups(ExprWithCleanups *E) { | ||||
13163 | return getDerived().TransformExpr(E->getSubExpr()); | ||||
13164 | } | ||||
13165 | |||||
13166 | template<typename Derived> | ||||
13167 | ExprResult | ||||
13168 | TreeTransform<Derived>::TransformCXXTemporaryObjectExpr( | ||||
13169 | CXXTemporaryObjectExpr *E) { | ||||
13170 | TypeSourceInfo *T = | ||||
13171 | getDerived().TransformTypeWithDeducedTST(E->getTypeSourceInfo()); | ||||
13172 | if (!T) | ||||
13173 | return ExprError(); | ||||
13174 | |||||
13175 | CXXConstructorDecl *Constructor = cast_or_null<CXXConstructorDecl>( | ||||
13176 | getDerived().TransformDecl(E->getBeginLoc(), E->getConstructor())); | ||||
13177 | if (!Constructor) | ||||
13178 | return ExprError(); | ||||
13179 | |||||
13180 | bool ArgumentChanged = false; | ||||
13181 | SmallVector<Expr*, 8> Args; | ||||
13182 | Args.reserve(E->getNumArgs()); | ||||
13183 | { | ||||
13184 | EnterExpressionEvaluationContext Context( | ||||
13185 | getSema(), EnterExpressionEvaluationContext::InitList, | ||||
13186 | E->isListInitialization()); | ||||
13187 | if (TransformExprs(E->getArgs(), E->getNumArgs(), true, Args, | ||||
13188 | &ArgumentChanged)) | ||||
13189 | return ExprError(); | ||||
13190 | } | ||||
13191 | |||||
13192 | if (!getDerived().AlwaysRebuild() && | ||||
13193 | T == E->getTypeSourceInfo() && | ||||
13194 | Constructor == E->getConstructor() && | ||||
13195 | !ArgumentChanged) { | ||||
13196 | // FIXME: Instantiation-specific | ||||
13197 | SemaRef.MarkFunctionReferenced(E->getBeginLoc(), Constructor); | ||||
13198 | return SemaRef.MaybeBindToTemporary(E); | ||||
13199 | } | ||||
13200 | |||||
13201 | // FIXME: We should just pass E->isListInitialization(), but we're not | ||||
13202 | // prepared to handle list-initialization without a child InitListExpr. | ||||
13203 | SourceLocation LParenLoc = T->getTypeLoc().getEndLoc(); | ||||
13204 | return getDerived().RebuildCXXTemporaryObjectExpr( | ||||
13205 | T, LParenLoc, Args, E->getEndLoc(), | ||||
13206 | /*ListInitialization=*/LParenLoc.isInvalid()); | ||||
13207 | } | ||||
13208 | |||||
13209 | template<typename Derived> | ||||
13210 | ExprResult | ||||
13211 | TreeTransform<Derived>::TransformLambdaExpr(LambdaExpr *E) { | ||||
13212 | // Transform any init-capture expressions before entering the scope of the | ||||
13213 | // lambda body, because they are not semantically within that scope. | ||||
13214 | typedef std::pair<ExprResult, QualType> InitCaptureInfoTy; | ||||
13215 | struct TransformedInitCapture { | ||||
13216 | // The location of the ... if the result is retaining a pack expansion. | ||||
13217 | SourceLocation EllipsisLoc; | ||||
13218 | // Zero or more expansions of the init-capture. | ||||
13219 | SmallVector<InitCaptureInfoTy, 4> Expansions; | ||||
13220 | }; | ||||
13221 | SmallVector<TransformedInitCapture, 4> InitCaptures; | ||||
13222 | InitCaptures.resize(E->explicit_capture_end() - E->explicit_capture_begin()); | ||||
13223 | for (LambdaExpr::capture_iterator C = E->capture_begin(), | ||||
13224 | CEnd = E->capture_end(); | ||||
13225 | C != CEnd; ++C) { | ||||
13226 | if (!E->isInitCapture(C)) | ||||
13227 | continue; | ||||
13228 | |||||
13229 | TransformedInitCapture &Result = InitCaptures[C - E->capture_begin()]; | ||||
13230 | auto *OldVD = cast<VarDecl>(C->getCapturedVar()); | ||||
13231 | |||||
13232 | auto SubstInitCapture = [&](SourceLocation EllipsisLoc, | ||||
13233 | std::optional<unsigned> NumExpansions) { | ||||
13234 | ExprResult NewExprInitResult = getDerived().TransformInitializer( | ||||
13235 | OldVD->getInit(), OldVD->getInitStyle() == VarDecl::CallInit); | ||||
13236 | |||||
13237 | if (NewExprInitResult.isInvalid()) { | ||||
13238 | Result.Expansions.push_back(InitCaptureInfoTy(ExprError(), QualType())); | ||||
13239 | return; | ||||
13240 | } | ||||
13241 | Expr *NewExprInit = NewExprInitResult.get(); | ||||
13242 | |||||
13243 | QualType NewInitCaptureType = | ||||
13244 | getSema().buildLambdaInitCaptureInitialization( | ||||
13245 | C->getLocation(), C->getCaptureKind() == LCK_ByRef, | ||||
13246 | EllipsisLoc, NumExpansions, OldVD->getIdentifier(), | ||||
13247 | cast<VarDecl>(C->getCapturedVar())->getInitStyle() != | ||||
13248 | VarDecl::CInit, | ||||
13249 | NewExprInit); | ||||
13250 | Result.Expansions.push_back( | ||||
13251 | InitCaptureInfoTy(NewExprInit, NewInitCaptureType)); | ||||
13252 | }; | ||||
13253 | |||||
13254 | // If this is an init-capture pack, consider expanding the pack now. | ||||
13255 | if (OldVD->isParameterPack()) { | ||||
13256 | PackExpansionTypeLoc ExpansionTL = OldVD->getTypeSourceInfo() | ||||
13257 | ->getTypeLoc() | ||||
13258 | .castAs<PackExpansionTypeLoc>(); | ||||
13259 | SmallVector<UnexpandedParameterPack, 2> Unexpanded; | ||||
13260 | SemaRef.collectUnexpandedParameterPacks(OldVD->getInit(), Unexpanded); | ||||
13261 | |||||
13262 | // Determine whether the set of unexpanded parameter packs can and should | ||||
13263 | // be expanded. | ||||
13264 | bool Expand = true; | ||||
13265 | bool RetainExpansion = false; | ||||
13266 | std::optional<unsigned> OrigNumExpansions = | ||||
13267 | ExpansionTL.getTypePtr()->getNumExpansions(); | ||||
13268 | std::optional<unsigned> NumExpansions = OrigNumExpansions; | ||||
13269 | if (getDerived().TryExpandParameterPacks( | ||||
13270 | ExpansionTL.getEllipsisLoc(), | ||||
13271 | OldVD->getInit()->getSourceRange(), Unexpanded, Expand, | ||||
13272 | RetainExpansion, NumExpansions)) | ||||
13273 | return ExprError(); | ||||
13274 | if (Expand) { | ||||
13275 | for (unsigned I = 0; I != *NumExpansions; ++I) { | ||||
13276 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), I); | ||||
13277 | SubstInitCapture(SourceLocation(), std::nullopt); | ||||
13278 | } | ||||
13279 | } | ||||
13280 | if (!Expand || RetainExpansion) { | ||||
13281 | ForgetPartiallySubstitutedPackRAII Forget(getDerived()); | ||||
13282 | SubstInitCapture(ExpansionTL.getEllipsisLoc(), NumExpansions); | ||||
13283 | Result.EllipsisLoc = ExpansionTL.getEllipsisLoc(); | ||||
13284 | } | ||||
13285 | } else { | ||||
13286 | SubstInitCapture(SourceLocation(), std::nullopt); | ||||
13287 | } | ||||
13288 | } | ||||
13289 | |||||
13290 | LambdaScopeInfo *LSI = getSema().PushLambdaScope(); | ||||
13291 | Sema::FunctionScopeRAII FuncScopeCleanup(getSema()); | ||||
13292 | |||||
13293 | // Create the local class that will describe the lambda. | ||||
13294 | |||||
13295 | // FIXME: DependencyKind below is wrong when substituting inside a templated | ||||
13296 | // context that isn't a DeclContext (such as a variable template), or when | ||||
13297 | // substituting an unevaluated lambda inside of a function's parameter's type | ||||
13298 | // - as parameter types are not instantiated from within a function's DC. We | ||||
13299 | // use evaluation contexts to distinguish the function parameter case. | ||||
13300 | CXXRecordDecl::LambdaDependencyKind DependencyKind = | ||||
13301 | CXXRecordDecl::LDK_Unknown; | ||||
13302 | if ((getSema().isUnevaluatedContext() || | ||||
13303 | getSema().isConstantEvaluatedContext()) && | ||||
13304 | (getSema().CurContext->isFileContext() || | ||||
13305 | !getSema().CurContext->getParent()->isDependentContext())) | ||||
13306 | DependencyKind = CXXRecordDecl::LDK_NeverDependent; | ||||
13307 | |||||
13308 | CXXRecordDecl *OldClass = E->getLambdaClass(); | ||||
13309 | CXXRecordDecl *Class = getSema().createLambdaClosureType( | ||||
13310 | E->getIntroducerRange(), /*Info=*/nullptr, DependencyKind, | ||||
13311 | E->getCaptureDefault()); | ||||
13312 | getDerived().transformedLocalDecl(OldClass, {Class}); | ||||
13313 | |||||
13314 | CXXMethodDecl *NewCallOperator = | ||||
13315 | getSema().CreateLambdaCallOperator(E->getIntroducerRange(), Class); | ||||
13316 | NewCallOperator->setLexicalDeclContext(getSema().CurContext); | ||||
13317 | |||||
13318 | // Enter the scope of the lambda. | ||||
13319 | getSema().buildLambdaScope(LSI, NewCallOperator, E->getIntroducerRange(), | ||||
13320 | E->getCaptureDefault(), E->getCaptureDefaultLoc(), | ||||
13321 | E->hasExplicitParameters(), E->isMutable()); | ||||
13322 | |||||
13323 | // Introduce the context of the call operator. | ||||
13324 | Sema::ContextRAII SavedContext(getSema(), NewCallOperator, | ||||
13325 | /*NewThisContext*/false); | ||||
13326 | |||||
13327 | bool Invalid = false; | ||||
13328 | |||||
13329 | // Transform captures. | ||||
13330 | for (LambdaExpr::capture_iterator C = E->capture_begin(), | ||||
13331 | CEnd = E->capture_end(); | ||||
13332 | C != CEnd; ++C) { | ||||
13333 | // When we hit the first implicit capture, tell Sema that we've finished | ||||
13334 | // the list of explicit captures. | ||||
13335 | if (C->isImplicit()) | ||||
13336 | break; | ||||
13337 | |||||
13338 | // Capturing 'this' is trivial. | ||||
13339 | if (C->capturesThis()) { | ||||
13340 | getSema().CheckCXXThisCapture(C->getLocation(), C->isExplicit(), | ||||
13341 | /*BuildAndDiagnose*/ true, nullptr, | ||||
13342 | C->getCaptureKind() == LCK_StarThis); | ||||
13343 | continue; | ||||
13344 | } | ||||
13345 | // Captured expression will be recaptured during captured variables | ||||
13346 | // rebuilding. | ||||
13347 | if (C->capturesVLAType()) | ||||
13348 | continue; | ||||
13349 | |||||
13350 | // Rebuild init-captures, including the implied field declaration. | ||||
13351 | if (E->isInitCapture(C)) { | ||||
13352 | TransformedInitCapture &NewC = InitCaptures[C - E->capture_begin()]; | ||||
13353 | |||||
13354 | auto *OldVD = cast<VarDecl>(C->getCapturedVar()); | ||||
13355 | llvm::SmallVector<Decl*, 4> NewVDs; | ||||
13356 | |||||
13357 | for (InitCaptureInfoTy &Info : NewC.Expansions) { | ||||
13358 | ExprResult Init = Info.first; | ||||
13359 | QualType InitQualType = Info.second; | ||||
13360 | if (Init.isInvalid() || InitQualType.isNull()) { | ||||
13361 | Invalid = true; | ||||
13362 | break; | ||||
13363 | } | ||||
13364 | VarDecl *NewVD = getSema().createLambdaInitCaptureVarDecl( | ||||
13365 | OldVD->getLocation(), InitQualType, NewC.EllipsisLoc, | ||||
13366 | OldVD->getIdentifier(), OldVD->getInitStyle(), Init.get(), | ||||
13367 | getSema().CurContext); | ||||
13368 | if (!NewVD) { | ||||
13369 | Invalid = true; | ||||
13370 | break; | ||||
13371 | } | ||||
13372 | NewVDs.push_back(NewVD); | ||||
13373 | getSema().addInitCapture(LSI, NewVD, C->getCaptureKind() == LCK_ByRef); | ||||
13374 | } | ||||
13375 | |||||
13376 | if (Invalid
| ||||
13377 | break; | ||||
13378 | |||||
13379 | getDerived().transformedLocalDecl(OldVD, NewVDs); | ||||
13380 | continue; | ||||
13381 | } | ||||
13382 | |||||
13383 | assert(C->capturesVariable() && "unexpected kind of lambda capture")(static_cast <bool> (C->capturesVariable() && "unexpected kind of lambda capture") ? void (0) : __assert_fail ("C->capturesVariable() && \"unexpected kind of lambda capture\"" , "clang/lib/Sema/TreeTransform.h", 13383, __extension__ __PRETTY_FUNCTION__ )); | ||||
13384 | |||||
13385 | // Determine the capture kind for Sema. | ||||
13386 | Sema::TryCaptureKind Kind | ||||
13387 | = C->isImplicit()? Sema::TryCapture_Implicit | ||||
13388 | : C->getCaptureKind() == LCK_ByCopy | ||||
13389 | ? Sema::TryCapture_ExplicitByVal | ||||
13390 | : Sema::TryCapture_ExplicitByRef; | ||||
13391 | SourceLocation EllipsisLoc; | ||||
13392 | if (C->isPackExpansion()) { | ||||
13393 | UnexpandedParameterPack Unexpanded(C->getCapturedVar(), C->getLocation()); | ||||
13394 | bool ShouldExpand = false; | ||||
13395 | bool RetainExpansion = false; | ||||
13396 | std::optional<unsigned> NumExpansions; | ||||
13397 | if (getDerived().TryExpandParameterPacks(C->getEllipsisLoc(), | ||||
13398 | C->getLocation(), | ||||
13399 | Unexpanded, | ||||
13400 | ShouldExpand, RetainExpansion, | ||||
13401 | NumExpansions)) { | ||||
13402 | Invalid = true; | ||||
13403 | continue; | ||||
13404 | } | ||||
13405 | |||||
13406 | if (ShouldExpand) { | ||||
13407 | // The transform has determined that we should perform an expansion; | ||||
13408 | // transform and capture each of the arguments. | ||||
13409 | // expansion of the pattern. Do so. | ||||
13410 | auto *Pack = cast<VarDecl>(C->getCapturedVar()); | ||||
13411 | for (unsigned I = 0; I != *NumExpansions; ++I) { | ||||
13412 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), I); | ||||
13413 | VarDecl *CapturedVar | ||||
13414 | = cast_or_null<VarDecl>(getDerived().TransformDecl(C->getLocation(), | ||||
13415 | Pack)); | ||||
13416 | if (!CapturedVar) { | ||||
13417 | Invalid = true; | ||||
13418 | continue; | ||||
13419 | } | ||||
13420 | |||||
13421 | // Capture the transformed variable. | ||||
13422 | getSema().tryCaptureVariable(CapturedVar, C->getLocation(), Kind); | ||||
13423 | } | ||||
13424 | |||||
13425 | // FIXME: Retain a pack expansion if RetainExpansion is true. | ||||
13426 | |||||
13427 | continue; | ||||
13428 | } | ||||
13429 | |||||
13430 | EllipsisLoc = C->getEllipsisLoc(); | ||||
13431 | } | ||||
13432 | |||||
13433 | // Transform the captured variable. | ||||
13434 | auto *CapturedVar = cast_or_null<ValueDecl>( | ||||
13435 | getDerived().TransformDecl(C->getLocation(), C->getCapturedVar())); | ||||
13436 | if (!CapturedVar || CapturedVar->isInvalidDecl()) { | ||||
13437 | Invalid = true; | ||||
13438 | continue; | ||||
13439 | } | ||||
13440 | |||||
13441 | // Capture the transformed variable. | ||||
13442 | getSema().tryCaptureVariable(CapturedVar, C->getLocation(), Kind, | ||||
13443 | EllipsisLoc); | ||||
13444 | } | ||||
13445 | getSema().finishLambdaExplicitCaptures(LSI); | ||||
13446 | |||||
13447 | // Transform the template parameters, and add them to the current | ||||
13448 | // instantiation scope. The null case is handled correctly. | ||||
13449 | auto TPL = getDerived().TransformTemplateParameterList( | ||||
13450 | E->getTemplateParameterList()); | ||||
13451 | LSI->GLTemplateParameterList = TPL; | ||||
13452 | |||||
13453 | // Transform the type of the original lambda's call operator. | ||||
13454 | // The transformation MUST be done in the CurrentInstantiationScope since | ||||
13455 | // it introduces a mapping of the original to the newly created | ||||
13456 | // transformed parameters. | ||||
13457 | TypeSourceInfo *NewCallOpTSI = nullptr; | ||||
13458 | { | ||||
13459 | TypeSourceInfo *OldCallOpTSI = E->getCallOperator()->getTypeSourceInfo(); | ||||
13460 | auto OldCallOpFPTL = | ||||
13461 | OldCallOpTSI->getTypeLoc().getAs<FunctionProtoTypeLoc>(); | ||||
13462 | |||||
13463 | TypeLocBuilder NewCallOpTLBuilder; | ||||
13464 | SmallVector<QualType, 4> ExceptionStorage; | ||||
13465 | TreeTransform *This = this; // Work around gcc.gnu.org/PR56135. | ||||
13466 | QualType NewCallOpType = TransformFunctionProtoType( | ||||
13467 | NewCallOpTLBuilder, OldCallOpFPTL, nullptr, Qualifiers(), | ||||
13468 | [&](FunctionProtoType::ExceptionSpecInfo &ESI, bool &Changed) { | ||||
13469 | return This->TransformExceptionSpec(OldCallOpFPTL.getBeginLoc(), ESI, | ||||
13470 | ExceptionStorage, Changed); | ||||
13471 | }); | ||||
13472 | if (NewCallOpType.isNull()) | ||||
13473 | return ExprError(); | ||||
13474 | NewCallOpTSI = | ||||
13475 | NewCallOpTLBuilder.getTypeSourceInfo(getSema().Context, NewCallOpType); | ||||
13476 | } | ||||
13477 | |||||
13478 | getSema().CompleteLambdaCallOperator( | ||||
13479 | NewCallOperator, E->getCallOperator()->getLocation(), | ||||
13480 | E->getCallOperator()->getInnerLocStart(), | ||||
13481 | E->getCallOperator()->getTrailingRequiresClause(), NewCallOpTSI, | ||||
13482 | E->getCallOperator()->getConstexprKind(), | ||||
13483 | E->getCallOperator()->getStorageClass(), | ||||
13484 | NewCallOpTSI->getTypeLoc().castAs<FunctionProtoTypeLoc>().getParams(), | ||||
13485 | E->hasExplicitResultType()); | ||||
13486 | |||||
13487 | getDerived().transformAttrs(E->getCallOperator(), NewCallOperator); | ||||
13488 | getDerived().transformedLocalDecl(E->getCallOperator(), {NewCallOperator}); | ||||
13489 | |||||
13490 | { | ||||
13491 | // Number the lambda for linkage purposes if necessary. | ||||
13492 | Sema::ContextRAII ManglingContext(getSema(), Class->getDeclContext()); | ||||
13493 | |||||
13494 | std::optional<CXXRecordDecl::LambdaNumbering> Numbering; | ||||
13495 | if (getDerived().ReplacingOriginal()) { | ||||
13496 | Numbering = OldClass->getLambdaNumbering(); | ||||
13497 | } | ||||
13498 | |||||
13499 | getSema().handleLambdaNumbering(Class, NewCallOperator, Numbering); | ||||
13500 | } | ||||
13501 | |||||
13502 | // FIXME: Sema's lambda-building mechanism expects us to push an expression | ||||
13503 | // evaluation context even if we're not transforming the function body. | ||||
13504 | getSema().PushExpressionEvaluationContext( | ||||
13505 | Sema::ExpressionEvaluationContext::PotentiallyEvaluated); | ||||
13506 | |||||
13507 | // Instantiate the body of the lambda expression. | ||||
13508 | StmtResult Body = | ||||
13509 | Invalid ? StmtError() : getDerived().TransformLambdaBody(E, E->getBody()); | ||||
13510 | |||||
13511 | // ActOnLambda* will pop the function scope for us. | ||||
13512 | FuncScopeCleanup.disable(); | ||||
13513 | |||||
13514 | if (Body.isInvalid()) { | ||||
13515 | SavedContext.pop(); | ||||
13516 | getSema().ActOnLambdaError(E->getBeginLoc(), /*CurScope=*/nullptr, | ||||
13517 | /*IsInstantiation=*/true); | ||||
13518 | return ExprError(); | ||||
13519 | } | ||||
13520 | |||||
13521 | // Copy the LSI before ActOnFinishFunctionBody removes it. | ||||
13522 | // FIXME: This is dumb. Store the lambda information somewhere that outlives | ||||
13523 | // the call operator. | ||||
13524 | auto LSICopy = *LSI; | ||||
13525 | getSema().ActOnFinishFunctionBody(NewCallOperator, Body.get(), | ||||
13526 | /*IsInstantiation*/ true); | ||||
13527 | SavedContext.pop(); | ||||
13528 | |||||
13529 | return getSema().BuildLambdaExpr(E->getBeginLoc(), Body.get()->getEndLoc(), | ||||
13530 | &LSICopy); | ||||
13531 | } | ||||
13532 | |||||
13533 | template<typename Derived> | ||||
13534 | StmtResult | ||||
13535 | TreeTransform<Derived>::TransformLambdaBody(LambdaExpr *E, Stmt *S) { | ||||
13536 | return TransformStmt(S); | ||||
13537 | } | ||||
13538 | |||||
13539 | template<typename Derived> | ||||
13540 | StmtResult | ||||
13541 | TreeTransform<Derived>::SkipLambdaBody(LambdaExpr *E, Stmt *S) { | ||||
13542 | // Transform captures. | ||||
13543 | for (LambdaExpr::capture_iterator C = E->capture_begin(), | ||||
13544 | CEnd = E->capture_end(); | ||||
13545 | C != CEnd; ++C) { | ||||
13546 | // When we hit the first implicit capture, tell Sema that we've finished | ||||
13547 | // the list of explicit captures. | ||||
13548 | if (!C->isImplicit()) | ||||
13549 | continue; | ||||
13550 | |||||
13551 | // Capturing 'this' is trivial. | ||||
13552 | if (C->capturesThis()) { | ||||
13553 | getSema().CheckCXXThisCapture(C->getLocation(), C->isExplicit(), | ||||
13554 | /*BuildAndDiagnose*/ true, nullptr, | ||||
13555 | C->getCaptureKind() == LCK_StarThis); | ||||
13556 | continue; | ||||
13557 | } | ||||
13558 | // Captured expression will be recaptured during captured variables | ||||
13559 | // rebuilding. | ||||
13560 | if (C->capturesVLAType()) | ||||
13561 | continue; | ||||
13562 | |||||
13563 | assert(C->capturesVariable() && "unexpected kind of lambda capture")(static_cast <bool> (C->capturesVariable() && "unexpected kind of lambda capture") ? void (0) : __assert_fail ("C->capturesVariable() && \"unexpected kind of lambda capture\"" , "clang/lib/Sema/TreeTransform.h", 13563, __extension__ __PRETTY_FUNCTION__ )); | ||||
13564 | assert(!E->isInitCapture(C) && "implicit init-capture?")(static_cast <bool> (!E->isInitCapture(C) && "implicit init-capture?") ? void (0) : __assert_fail ("!E->isInitCapture(C) && \"implicit init-capture?\"" , "clang/lib/Sema/TreeTransform.h", 13564, __extension__ __PRETTY_FUNCTION__ )); | ||||
13565 | |||||
13566 | // Transform the captured variable. | ||||
13567 | VarDecl *CapturedVar = cast_or_null<VarDecl>( | ||||
13568 | getDerived().TransformDecl(C->getLocation(), C->getCapturedVar())); | ||||
13569 | if (!CapturedVar || CapturedVar->isInvalidDecl()) | ||||
13570 | return StmtError(); | ||||
13571 | |||||
13572 | // Capture the transformed variable. | ||||
13573 | getSema().tryCaptureVariable(CapturedVar, C->getLocation()); | ||||
13574 | } | ||||
13575 | |||||
13576 | return S; | ||||
13577 | } | ||||
13578 | |||||
13579 | template<typename Derived> | ||||
13580 | ExprResult | ||||
13581 | TreeTransform<Derived>::TransformCXXUnresolvedConstructExpr( | ||||
13582 | CXXUnresolvedConstructExpr *E) { | ||||
13583 | TypeSourceInfo *T = | ||||
13584 | getDerived().TransformTypeWithDeducedTST(E->getTypeSourceInfo()); | ||||
13585 | if (!T) | ||||
13586 | return ExprError(); | ||||
13587 | |||||
13588 | bool ArgumentChanged = false; | ||||
13589 | SmallVector<Expr*, 8> Args; | ||||
13590 | Args.reserve(E->getNumArgs()); | ||||
13591 | { | ||||
13592 | EnterExpressionEvaluationContext Context( | ||||
13593 | getSema(), EnterExpressionEvaluationContext::InitList, | ||||
13594 | E->isListInitialization()); | ||||
13595 | if (getDerived().TransformExprs(E->arg_begin(), E->getNumArgs(), true, Args, | ||||
13596 | &ArgumentChanged)) | ||||
13597 | return ExprError(); | ||||
13598 | } | ||||
13599 | |||||
13600 | if (!getDerived().AlwaysRebuild() && | ||||
13601 | T == E->getTypeSourceInfo() && | ||||
13602 | !ArgumentChanged) | ||||
13603 | return E; | ||||
13604 | |||||
13605 | // FIXME: we're faking the locations of the commas | ||||
13606 | return getDerived().RebuildCXXUnresolvedConstructExpr( | ||||
13607 | T, E->getLParenLoc(), Args, E->getRParenLoc(), E->isListInitialization()); | ||||
13608 | } | ||||
13609 | |||||
13610 | template<typename Derived> | ||||
13611 | ExprResult | ||||
13612 | TreeTransform<Derived>::TransformCXXDependentScopeMemberExpr( | ||||
13613 | CXXDependentScopeMemberExpr *E) { | ||||
13614 | // Transform the base of the expression. | ||||
13615 | ExprResult Base((Expr*) nullptr); | ||||
13616 | Expr *OldBase; | ||||
13617 | QualType BaseType; | ||||
13618 | QualType ObjectType; | ||||
13619 | if (!E->isImplicitAccess()) { | ||||
13620 | OldBase = E->getBase(); | ||||
13621 | Base = getDerived().TransformExpr(OldBase); | ||||
13622 | if (Base.isInvalid()) | ||||
13623 | return ExprError(); | ||||
13624 | |||||
13625 | // Start the member reference and compute the object's type. | ||||
13626 | ParsedType ObjectTy; | ||||
13627 | bool MayBePseudoDestructor = false; | ||||
13628 | Base = SemaRef.ActOnStartCXXMemberReference(nullptr, Base.get(), | ||||
13629 | E->getOperatorLoc(), | ||||
13630 | E->isArrow()? tok::arrow : tok::period, | ||||
13631 | ObjectTy, | ||||
13632 | MayBePseudoDestructor); | ||||
13633 | if (Base.isInvalid()) | ||||
13634 | return ExprError(); | ||||
13635 | |||||
13636 | ObjectType = ObjectTy.get(); | ||||
13637 | BaseType = ((Expr*) Base.get())->getType(); | ||||
13638 | } else { | ||||
13639 | OldBase = nullptr; | ||||
13640 | BaseType = getDerived().TransformType(E->getBaseType()); | ||||
13641 | ObjectType = BaseType->castAs<PointerType>()->getPointeeType(); | ||||
13642 | } | ||||
13643 | |||||
13644 | // Transform the first part of the nested-name-specifier that qualifies | ||||
13645 | // the member name. | ||||
13646 | NamedDecl *FirstQualifierInScope | ||||
13647 | = getDerived().TransformFirstQualifierInScope( | ||||
13648 | E->getFirstQualifierFoundInScope(), | ||||
13649 | E->getQualifierLoc().getBeginLoc()); | ||||
13650 | |||||
13651 | NestedNameSpecifierLoc QualifierLoc; | ||||
13652 | if (E->getQualifier()) { | ||||
13653 | QualifierLoc | ||||
13654 | = getDerived().TransformNestedNameSpecifierLoc(E->getQualifierLoc(), | ||||
13655 | ObjectType, | ||||
13656 | FirstQualifierInScope); | ||||
13657 | if (!QualifierLoc) | ||||
13658 | return ExprError(); | ||||
13659 | } | ||||
13660 | |||||
13661 | SourceLocation TemplateKWLoc = E->getTemplateKeywordLoc(); | ||||
13662 | |||||
13663 | // TODO: If this is a conversion-function-id, verify that the | ||||
13664 | // destination type name (if present) resolves the same way after | ||||
13665 | // instantiation as it did in the local scope. | ||||
13666 | |||||
13667 | DeclarationNameInfo NameInfo | ||||
13668 | = getDerived().TransformDeclarationNameInfo(E->getMemberNameInfo()); | ||||
13669 | if (!NameInfo.getName()) | ||||
13670 | return ExprError(); | ||||
13671 | |||||
13672 | if (!E->hasExplicitTemplateArgs()) { | ||||
13673 | // This is a reference to a member without an explicitly-specified | ||||
13674 | // template argument list. Optimize for this common case. | ||||
13675 | if (!getDerived().AlwaysRebuild() && | ||||
13676 | Base.get() == OldBase && | ||||
13677 | BaseType == E->getBaseType() && | ||||
13678 | QualifierLoc == E->getQualifierLoc() && | ||||
13679 | NameInfo.getName() == E->getMember() && | ||||
13680 | FirstQualifierInScope == E->getFirstQualifierFoundInScope()) | ||||
13681 | return E; | ||||
13682 | |||||
13683 | return getDerived().RebuildCXXDependentScopeMemberExpr(Base.get(), | ||||
13684 | BaseType, | ||||
13685 | E->isArrow(), | ||||
13686 | E->getOperatorLoc(), | ||||
13687 | QualifierLoc, | ||||
13688 | TemplateKWLoc, | ||||
13689 | FirstQualifierInScope, | ||||
13690 | NameInfo, | ||||
13691 | /*TemplateArgs*/nullptr); | ||||
13692 | } | ||||
13693 | |||||
13694 | TemplateArgumentListInfo TransArgs(E->getLAngleLoc(), E->getRAngleLoc()); | ||||
13695 | if (getDerived().TransformTemplateArguments(E->getTemplateArgs(), | ||||
13696 | E->getNumTemplateArgs(), | ||||
13697 | TransArgs)) | ||||
13698 | return ExprError(); | ||||
13699 | |||||
13700 | return getDerived().RebuildCXXDependentScopeMemberExpr(Base.get(), | ||||
13701 | BaseType, | ||||
13702 | E->isArrow(), | ||||
13703 | E->getOperatorLoc(), | ||||
13704 | QualifierLoc, | ||||
13705 | TemplateKWLoc, | ||||
13706 | FirstQualifierInScope, | ||||
13707 | NameInfo, | ||||
13708 | &TransArgs); | ||||
13709 | } | ||||
13710 | |||||
13711 | template <typename Derived> | ||||
13712 | ExprResult TreeTransform<Derived>::TransformUnresolvedMemberExpr( | ||||
13713 | UnresolvedMemberExpr *Old) { | ||||
13714 | // Transform the base of the expression. | ||||
13715 | ExprResult Base((Expr *)nullptr); | ||||
13716 | QualType BaseType; | ||||
13717 | if (!Old->isImplicitAccess()) { | ||||
13718 | Base = getDerived().TransformExpr(Old->getBase()); | ||||
13719 | if (Base.isInvalid()) | ||||
13720 | return ExprError(); | ||||
13721 | Base = | ||||
13722 | getSema().PerformMemberExprBaseConversion(Base.get(), Old->isArrow()); | ||||
13723 | if (Base.isInvalid()) | ||||
13724 | return ExprError(); | ||||
13725 | BaseType = Base.get()->getType(); | ||||
13726 | } else { | ||||
13727 | BaseType = getDerived().TransformType(Old->getBaseType()); | ||||
13728 | } | ||||
13729 | |||||
13730 | NestedNameSpecifierLoc QualifierLoc; | ||||
13731 | if (Old->getQualifierLoc()) { | ||||
13732 | QualifierLoc = | ||||
13733 | getDerived().TransformNestedNameSpecifierLoc(Old->getQualifierLoc()); | ||||
13734 | if (!QualifierLoc) | ||||
13735 | return ExprError(); | ||||
13736 | } | ||||
13737 | |||||
13738 | SourceLocation TemplateKWLoc = Old->getTemplateKeywordLoc(); | ||||
13739 | |||||
13740 | LookupResult R(SemaRef, Old->getMemberNameInfo(), Sema::LookupOrdinaryName); | ||||
13741 | |||||
13742 | // Transform the declaration set. | ||||
13743 | if (TransformOverloadExprDecls(Old, /*RequiresADL*/ false, R)) | ||||
13744 | return ExprError(); | ||||
13745 | |||||
13746 | // Determine the naming class. | ||||
13747 | if (Old->getNamingClass()) { | ||||
13748 | CXXRecordDecl *NamingClass = cast_or_null<CXXRecordDecl>( | ||||
13749 | getDerived().TransformDecl(Old->getMemberLoc(), Old->getNamingClass())); | ||||
13750 | if (!NamingClass) | ||||
13751 | return ExprError(); | ||||
13752 | |||||
13753 | R.setNamingClass(NamingClass); | ||||
13754 | } | ||||
13755 | |||||
13756 | TemplateArgumentListInfo TransArgs; | ||||
13757 | if (Old->hasExplicitTemplateArgs()) { | ||||
13758 | TransArgs.setLAngleLoc(Old->getLAngleLoc()); | ||||
13759 | TransArgs.setRAngleLoc(Old->getRAngleLoc()); | ||||
13760 | if (getDerived().TransformTemplateArguments( | ||||
13761 | Old->getTemplateArgs(), Old->getNumTemplateArgs(), TransArgs)) | ||||
13762 | return ExprError(); | ||||
13763 | } | ||||
13764 | |||||
13765 | // FIXME: to do this check properly, we will need to preserve the | ||||
13766 | // first-qualifier-in-scope here, just in case we had a dependent | ||||
13767 | // base (and therefore couldn't do the check) and a | ||||
13768 | // nested-name-qualifier (and therefore could do the lookup). | ||||
13769 | NamedDecl *FirstQualifierInScope = nullptr; | ||||
13770 | |||||
13771 | return getDerived().RebuildUnresolvedMemberExpr( | ||||
13772 | Base.get(), BaseType, Old->getOperatorLoc(), Old->isArrow(), QualifierLoc, | ||||
13773 | TemplateKWLoc, FirstQualifierInScope, R, | ||||
13774 | (Old->hasExplicitTemplateArgs() ? &TransArgs : nullptr)); | ||||
13775 | } | ||||
13776 | |||||
13777 | template<typename Derived> | ||||
13778 | ExprResult | ||||
13779 | TreeTransform<Derived>::TransformCXXNoexceptExpr(CXXNoexceptExpr *E) { | ||||
13780 | EnterExpressionEvaluationContext Unevaluated( | ||||
13781 | SemaRef, Sema::ExpressionEvaluationContext::Unevaluated); | ||||
13782 | ExprResult SubExpr = getDerived().TransformExpr(E->getOperand()); | ||||
13783 | if (SubExpr.isInvalid()) | ||||
13784 | return ExprError(); | ||||
13785 | |||||
13786 | if (!getDerived().AlwaysRebuild() && SubExpr.get() == E->getOperand()) | ||||
13787 | return E; | ||||
13788 | |||||
13789 | return getDerived().RebuildCXXNoexceptExpr(E->getSourceRange(),SubExpr.get()); | ||||
13790 | } | ||||
13791 | |||||
13792 | template<typename Derived> | ||||
13793 | ExprResult | ||||
13794 | TreeTransform<Derived>::TransformPackExpansionExpr(PackExpansionExpr *E) { | ||||
13795 | ExprResult Pattern = getDerived().TransformExpr(E->getPattern()); | ||||
13796 | if (Pattern.isInvalid()) | ||||
13797 | return ExprError(); | ||||
13798 | |||||
13799 | if (!getDerived().AlwaysRebuild() && Pattern.get() == E->getPattern()) | ||||
13800 | return E; | ||||
13801 | |||||
13802 | return getDerived().RebuildPackExpansion(Pattern.get(), E->getEllipsisLoc(), | ||||
13803 | E->getNumExpansions()); | ||||
13804 | } | ||||
13805 | |||||
13806 | template<typename Derived> | ||||
13807 | ExprResult | ||||
13808 | TreeTransform<Derived>::TransformSizeOfPackExpr(SizeOfPackExpr *E) { | ||||
13809 | // If E is not value-dependent, then nothing will change when we transform it. | ||||
13810 | // Note: This is an instantiation-centric view. | ||||
13811 | if (!E->isValueDependent()) | ||||
13812 | return E; | ||||
13813 | |||||
13814 | EnterExpressionEvaluationContext Unevaluated( | ||||
13815 | getSema(), Sema::ExpressionEvaluationContext::Unevaluated); | ||||
13816 | |||||
13817 | ArrayRef<TemplateArgument> PackArgs; | ||||
13818 | TemplateArgument ArgStorage; | ||||
13819 | |||||
13820 | // Find the argument list to transform. | ||||
13821 | if (E->isPartiallySubstituted()) { | ||||
13822 | PackArgs = E->getPartialArguments(); | ||||
13823 | } else if (E->isValueDependent()) { | ||||
13824 | UnexpandedParameterPack Unexpanded(E->getPack(), E->getPackLoc()); | ||||
13825 | bool ShouldExpand = false; | ||||
13826 | bool RetainExpansion = false; | ||||
13827 | std::optional<unsigned> NumExpansions; | ||||
13828 | if (getDerived().TryExpandParameterPacks(E->getOperatorLoc(), E->getPackLoc(), | ||||
13829 | Unexpanded, | ||||
13830 | ShouldExpand, RetainExpansion, | ||||
13831 | NumExpansions)) | ||||
13832 | return ExprError(); | ||||
13833 | |||||
13834 | // If we need to expand the pack, build a template argument from it and | ||||
13835 | // expand that. | ||||
13836 | if (ShouldExpand) { | ||||
13837 | auto *Pack = E->getPack(); | ||||
13838 | if (auto *TTPD = dyn_cast<TemplateTypeParmDecl>(Pack)) { | ||||
13839 | ArgStorage = getSema().Context.getPackExpansionType( | ||||
13840 | getSema().Context.getTypeDeclType(TTPD), std::nullopt); | ||||
13841 | } else if (auto *TTPD = dyn_cast<TemplateTemplateParmDecl>(Pack)) { | ||||
13842 | ArgStorage = TemplateArgument(TemplateName(TTPD), std::nullopt); | ||||
13843 | } else { | ||||
13844 | auto *VD = cast<ValueDecl>(Pack); | ||||
13845 | ExprResult DRE = getSema().BuildDeclRefExpr( | ||||
13846 | VD, VD->getType().getNonLValueExprType(getSema().Context), | ||||
13847 | VD->getType()->isReferenceType() ? VK_LValue : VK_PRValue, | ||||
13848 | E->getPackLoc()); | ||||
13849 | if (DRE.isInvalid()) | ||||
13850 | return ExprError(); | ||||
13851 | ArgStorage = new (getSema().Context) | ||||
13852 | PackExpansionExpr(getSema().Context.DependentTy, DRE.get(), | ||||
13853 | E->getPackLoc(), std::nullopt); | ||||
13854 | } | ||||
13855 | PackArgs = ArgStorage; | ||||
13856 | } | ||||
13857 | } | ||||
13858 | |||||
13859 | // If we're not expanding the pack, just transform the decl. | ||||
13860 | if (!PackArgs.size()) { | ||||
13861 | auto *Pack = cast_or_null<NamedDecl>( | ||||
13862 | getDerived().TransformDecl(E->getPackLoc(), E->getPack())); | ||||
13863 | if (!Pack) | ||||
13864 | return ExprError(); | ||||
13865 | return getDerived().RebuildSizeOfPackExpr( | ||||
13866 | E->getOperatorLoc(), Pack, E->getPackLoc(), E->getRParenLoc(), | ||||
13867 | std::nullopt, std::nullopt); | ||||
13868 | } | ||||
13869 | |||||
13870 | // Try to compute the result without performing a partial substitution. | ||||
13871 | std::optional<unsigned> Result = 0; | ||||
13872 | for (const TemplateArgument &Arg : PackArgs) { | ||||
13873 | if (!Arg.isPackExpansion()) { | ||||
13874 | Result = *Result + 1; | ||||
13875 | continue; | ||||
13876 | } | ||||
13877 | |||||
13878 | TemplateArgumentLoc ArgLoc; | ||||
13879 | InventTemplateArgumentLoc(Arg, ArgLoc); | ||||
13880 | |||||
13881 | // Find the pattern of the pack expansion. | ||||
13882 | SourceLocation Ellipsis; | ||||
13883 | std::optional<unsigned> OrigNumExpansions; | ||||
13884 | TemplateArgumentLoc Pattern = | ||||
13885 | getSema().getTemplateArgumentPackExpansionPattern(ArgLoc, Ellipsis, | ||||
13886 | OrigNumExpansions); | ||||
13887 | |||||
13888 | // Substitute under the pack expansion. Do not expand the pack (yet). | ||||
13889 | TemplateArgumentLoc OutPattern; | ||||
13890 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), -1); | ||||
13891 | if (getDerived().TransformTemplateArgument(Pattern, OutPattern, | ||||
13892 | /*Uneval*/ true)) | ||||
13893 | return true; | ||||
13894 | |||||
13895 | // See if we can determine the number of arguments from the result. | ||||
13896 | std::optional<unsigned> NumExpansions = | ||||
13897 | getSema().getFullyPackExpandedSize(OutPattern.getArgument()); | ||||
13898 | if (!NumExpansions) { | ||||
13899 | // No: we must be in an alias template expansion, and we're going to need | ||||
13900 | // to actually expand the packs. | ||||
13901 | Result = std::nullopt; | ||||
13902 | break; | ||||
13903 | } | ||||
13904 | |||||
13905 | Result = *Result + *NumExpansions; | ||||
13906 | } | ||||
13907 | |||||
13908 | // Common case: we could determine the number of expansions without | ||||
13909 | // substituting. | ||||
13910 | if (Result) | ||||
13911 | return getDerived().RebuildSizeOfPackExpr( | ||||
13912 | E->getOperatorLoc(), E->getPack(), E->getPackLoc(), E->getRParenLoc(), | ||||
13913 | *Result, std::nullopt); | ||||
13914 | |||||
13915 | TemplateArgumentListInfo TransformedPackArgs(E->getPackLoc(), | ||||
13916 | E->getPackLoc()); | ||||
13917 | { | ||||
13918 | TemporaryBase Rebase(*this, E->getPackLoc(), getBaseEntity()); | ||||
13919 | typedef TemplateArgumentLocInventIterator< | ||||
13920 | Derived, const TemplateArgument*> PackLocIterator; | ||||
13921 | if (TransformTemplateArguments(PackLocIterator(*this, PackArgs.begin()), | ||||
13922 | PackLocIterator(*this, PackArgs.end()), | ||||
13923 | TransformedPackArgs, /*Uneval*/true)) | ||||
13924 | return ExprError(); | ||||
13925 | } | ||||
13926 | |||||
13927 | // Check whether we managed to fully-expand the pack. | ||||
13928 | // FIXME: Is it possible for us to do so and not hit the early exit path? | ||||
13929 | SmallVector<TemplateArgument, 8> Args; | ||||
13930 | bool PartialSubstitution = false; | ||||
13931 | for (auto &Loc : TransformedPackArgs.arguments()) { | ||||
13932 | Args.push_back(Loc.getArgument()); | ||||
13933 | if (Loc.getArgument().isPackExpansion()) | ||||
13934 | PartialSubstitution = true; | ||||
13935 | } | ||||
13936 | |||||
13937 | if (PartialSubstitution) | ||||
13938 | return getDerived().RebuildSizeOfPackExpr( | ||||
13939 | E->getOperatorLoc(), E->getPack(), E->getPackLoc(), E->getRParenLoc(), | ||||
13940 | std::nullopt, Args); | ||||
13941 | |||||
13942 | return getDerived().RebuildSizeOfPackExpr(E->getOperatorLoc(), E->getPack(), | ||||
13943 | E->getPackLoc(), E->getRParenLoc(), | ||||
13944 | Args.size(), std::nullopt); | ||||
13945 | } | ||||
13946 | |||||
13947 | template<typename Derived> | ||||
13948 | ExprResult | ||||
13949 | TreeTransform<Derived>::TransformSubstNonTypeTemplateParmPackExpr( | ||||
13950 | SubstNonTypeTemplateParmPackExpr *E) { | ||||
13951 | // Default behavior is to do nothing with this transformation. | ||||
13952 | return E; | ||||
13953 | } | ||||
13954 | |||||
13955 | template<typename Derived> | ||||
13956 | ExprResult | ||||
13957 | TreeTransform<Derived>::TransformSubstNonTypeTemplateParmExpr( | ||||
13958 | SubstNonTypeTemplateParmExpr *E) { | ||||
13959 | // Default behavior is to do nothing with this transformation. | ||||
13960 | return E; | ||||
13961 | } | ||||
13962 | |||||
13963 | template<typename Derived> | ||||
13964 | ExprResult | ||||
13965 | TreeTransform<Derived>::TransformFunctionParmPackExpr(FunctionParmPackExpr *E) { | ||||
13966 | // Default behavior is to do nothing with this transformation. | ||||
13967 | return E; | ||||
13968 | } | ||||
13969 | |||||
13970 | template<typename Derived> | ||||
13971 | ExprResult | ||||
13972 | TreeTransform<Derived>::TransformMaterializeTemporaryExpr( | ||||
13973 | MaterializeTemporaryExpr *E) { | ||||
13974 | return getDerived().TransformExpr(E->getSubExpr()); | ||||
13975 | } | ||||
13976 | |||||
13977 | template<typename Derived> | ||||
13978 | ExprResult | ||||
13979 | TreeTransform<Derived>::TransformCXXFoldExpr(CXXFoldExpr *E) { | ||||
13980 | UnresolvedLookupExpr *Callee = nullptr; | ||||
13981 | if (Expr *OldCallee = E->getCallee()) { | ||||
13982 | ExprResult CalleeResult = getDerived().TransformExpr(OldCallee); | ||||
13983 | if (CalleeResult.isInvalid()) | ||||
13984 | return ExprError(); | ||||
13985 | Callee = cast<UnresolvedLookupExpr>(CalleeResult.get()); | ||||
13986 | } | ||||
13987 | |||||
13988 | Expr *Pattern = E->getPattern(); | ||||
13989 | |||||
13990 | SmallVector<UnexpandedParameterPack, 2> Unexpanded; | ||||
13991 | getSema().collectUnexpandedParameterPacks(Pattern, Unexpanded); | ||||
13992 | assert(!Unexpanded.empty() && "Pack expansion without parameter packs?")(static_cast <bool> (!Unexpanded.empty() && "Pack expansion without parameter packs?" ) ? void (0) : __assert_fail ("!Unexpanded.empty() && \"Pack expansion without parameter packs?\"" , "clang/lib/Sema/TreeTransform.h", 13992, __extension__ __PRETTY_FUNCTION__ )); | ||||
13993 | |||||
13994 | // Determine whether the set of unexpanded parameter packs can and should | ||||
13995 | // be expanded. | ||||
13996 | bool Expand = true; | ||||
13997 | bool RetainExpansion = false; | ||||
13998 | std::optional<unsigned> OrigNumExpansions = E->getNumExpansions(), | ||||
13999 | NumExpansions = OrigNumExpansions; | ||||
14000 | if (getDerived().TryExpandParameterPacks(E->getEllipsisLoc(), | ||||
14001 | Pattern->getSourceRange(), | ||||
14002 | Unexpanded, | ||||
14003 | Expand, RetainExpansion, | ||||
14004 | NumExpansions)) | ||||
14005 | return true; | ||||
14006 | |||||
14007 | if (!Expand) { | ||||
14008 | // Do not expand any packs here, just transform and rebuild a fold | ||||
14009 | // expression. | ||||
14010 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), -1); | ||||
14011 | |||||
14012 | ExprResult LHS = | ||||
14013 | E->getLHS() ? getDerived().TransformExpr(E->getLHS()) : ExprResult(); | ||||
14014 | if (LHS.isInvalid()) | ||||
14015 | return true; | ||||
14016 | |||||
14017 | ExprResult RHS = | ||||
14018 | E->getRHS() ? getDerived().TransformExpr(E->getRHS()) : ExprResult(); | ||||
14019 | if (RHS.isInvalid()) | ||||
14020 | return true; | ||||
14021 | |||||
14022 | if (!getDerived().AlwaysRebuild() && | ||||
14023 | LHS.get() == E->getLHS() && RHS.get() == E->getRHS()) | ||||
14024 | return E; | ||||
14025 | |||||
14026 | return getDerived().RebuildCXXFoldExpr( | ||||
14027 | Callee, E->getBeginLoc(), LHS.get(), E->getOperator(), | ||||
14028 | E->getEllipsisLoc(), RHS.get(), E->getEndLoc(), NumExpansions); | ||||
14029 | } | ||||
14030 | |||||
14031 | // Formally a fold expression expands to nested parenthesized expressions. | ||||
14032 | // Enforce this limit to avoid creating trees so deep we can't safely traverse | ||||
14033 | // them. | ||||
14034 | if (NumExpansions && SemaRef.getLangOpts().BracketDepth < NumExpansions) { | ||||
14035 | SemaRef.Diag(E->getEllipsisLoc(), | ||||
14036 | clang::diag::err_fold_expression_limit_exceeded) | ||||
14037 | << *NumExpansions << SemaRef.getLangOpts().BracketDepth | ||||
14038 | << E->getSourceRange(); | ||||
14039 | SemaRef.Diag(E->getEllipsisLoc(), diag::note_bracket_depth); | ||||
14040 | return ExprError(); | ||||
14041 | } | ||||
14042 | |||||
14043 | // The transform has determined that we should perform an elementwise | ||||
14044 | // expansion of the pattern. Do so. | ||||
14045 | ExprResult Result = getDerived().TransformExpr(E->getInit()); | ||||
14046 | if (Result.isInvalid()) | ||||
14047 | return true; | ||||
14048 | bool LeftFold = E->isLeftFold(); | ||||
14049 | |||||
14050 | // If we're retaining an expansion for a right fold, it is the innermost | ||||
14051 | // component and takes the init (if any). | ||||
14052 | if (!LeftFold && RetainExpansion) { | ||||
14053 | ForgetPartiallySubstitutedPackRAII Forget(getDerived()); | ||||
14054 | |||||
14055 | ExprResult Out = getDerived().TransformExpr(Pattern); | ||||
14056 | if (Out.isInvalid()) | ||||
14057 | return true; | ||||
14058 | |||||
14059 | Result = getDerived().RebuildCXXFoldExpr( | ||||
14060 | Callee, E->getBeginLoc(), Out.get(), E->getOperator(), | ||||
14061 | E->getEllipsisLoc(), Result.get(), E->getEndLoc(), OrigNumExpansions); | ||||
14062 | if (Result.isInvalid()) | ||||
14063 | return true; | ||||
14064 | } | ||||
14065 | |||||
14066 | for (unsigned I = 0; I != *NumExpansions; ++I) { | ||||
14067 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex( | ||||
14068 | getSema(), LeftFold ? I : *NumExpansions - I - 1); | ||||
14069 | ExprResult Out = getDerived().TransformExpr(Pattern); | ||||
14070 | if (Out.isInvalid()) | ||||
14071 | return true; | ||||
14072 | |||||
14073 | if (Out.get()->containsUnexpandedParameterPack()) { | ||||
14074 | // We still have a pack; retain a pack expansion for this slice. | ||||
14075 | Result = getDerived().RebuildCXXFoldExpr( | ||||
14076 | Callee, E->getBeginLoc(), LeftFold ? Result.get() : Out.get(), | ||||
14077 | E->getOperator(), E->getEllipsisLoc(), | ||||
14078 | LeftFold ? Out.get() : Result.get(), E->getEndLoc(), | ||||
14079 | OrigNumExpansions); | ||||
14080 | } else if (Result.isUsable()) { | ||||
14081 | // We've got down to a single element; build a binary operator. | ||||
14082 | Expr *LHS = LeftFold ? Result.get() : Out.get(); | ||||
14083 | Expr *RHS = LeftFold ? Out.get() : Result.get(); | ||||
14084 | if (Callee) | ||||
14085 | Result = getDerived().RebuildCXXOperatorCallExpr( | ||||
14086 | BinaryOperator::getOverloadedOperator(E->getOperator()), | ||||
14087 | E->getEllipsisLoc(), Callee, LHS, RHS); | ||||
14088 | else | ||||
14089 | Result = getDerived().RebuildBinaryOperator(E->getEllipsisLoc(), | ||||
14090 | E->getOperator(), LHS, RHS); | ||||
14091 | } else | ||||
14092 | Result = Out; | ||||
14093 | |||||
14094 | if (Result.isInvalid()) | ||||
14095 | return true; | ||||
14096 | } | ||||
14097 | |||||
14098 | // If we're retaining an expansion for a left fold, it is the outermost | ||||
14099 | // component and takes the complete expansion so far as its init (if any). | ||||
14100 | if (LeftFold && RetainExpansion) { | ||||
14101 | ForgetPartiallySubstitutedPackRAII Forget(getDerived()); | ||||
14102 | |||||
14103 | ExprResult Out = getDerived().TransformExpr(Pattern); | ||||
14104 | if (Out.isInvalid()) | ||||
14105 | return true; | ||||
14106 | |||||
14107 | Result = getDerived().RebuildCXXFoldExpr( | ||||
14108 | Callee, E->getBeginLoc(), Result.get(), E->getOperator(), | ||||
14109 | E->getEllipsisLoc(), Out.get(), E->getEndLoc(), OrigNumExpansions); | ||||
14110 | if (Result.isInvalid()) | ||||
14111 | return true; | ||||
14112 | } | ||||
14113 | |||||
14114 | // If we had no init and an empty pack, and we're not retaining an expansion, | ||||
14115 | // then produce a fallback value or error. | ||||
14116 | if (Result.isUnset()) | ||||
14117 | return getDerived().RebuildEmptyCXXFoldExpr(E->getEllipsisLoc(), | ||||
14118 | E->getOperator()); | ||||
14119 | |||||
14120 | return Result; | ||||
14121 | } | ||||
14122 | |||||
14123 | template <typename Derived> | ||||
14124 | ExprResult | ||||
14125 | TreeTransform<Derived>::TransformCXXParenListInitExpr(CXXParenListInitExpr *E) { | ||||
14126 | SmallVector<Expr *, 4> TransformedInits; | ||||
14127 | ArrayRef<Expr *> InitExprs = E->getInitExprs(); | ||||
14128 | if (TransformExprs(InitExprs.data(), InitExprs.size(), true, | ||||
14129 | TransformedInits)) | ||||
14130 | return ExprError(); | ||||
14131 | |||||
14132 | return getDerived().RebuildParenListExpr(E->getBeginLoc(), TransformedInits, | ||||
14133 | E->getEndLoc()); | ||||
14134 | } | ||||
14135 | |||||
14136 | template<typename Derived> | ||||
14137 | ExprResult | ||||
14138 | TreeTransform<Derived>::TransformCXXStdInitializerListExpr( | ||||
14139 | CXXStdInitializerListExpr *E) { | ||||
14140 | return getDerived().TransformExpr(E->getSubExpr()); | ||||
14141 | } | ||||
14142 | |||||
14143 | template<typename Derived> | ||||
14144 | ExprResult | ||||
14145 | TreeTransform<Derived>::TransformObjCStringLiteral(ObjCStringLiteral *E) { | ||||
14146 | return SemaRef.MaybeBindToTemporary(E); | ||||
14147 | } | ||||
14148 | |||||
14149 | template<typename Derived> | ||||
14150 | ExprResult | ||||
14151 | TreeTransform<Derived>::TransformObjCBoolLiteralExpr(ObjCBoolLiteralExpr *E) { | ||||
14152 | return E; | ||||
14153 | } | ||||
14154 | |||||
14155 | template<typename Derived> | ||||
14156 | ExprResult | ||||
14157 | TreeTransform<Derived>::TransformObjCBoxedExpr(ObjCBoxedExpr *E) { | ||||
14158 | ExprResult SubExpr = getDerived().TransformExpr(E->getSubExpr()); | ||||
14159 | if (SubExpr.isInvalid()) | ||||
14160 | return ExprError(); | ||||
14161 | |||||
14162 | if (!getDerived().AlwaysRebuild() && | ||||
14163 | SubExpr.get() == E->getSubExpr()) | ||||
14164 | return E; | ||||
14165 | |||||
14166 | return getDerived().RebuildObjCBoxedExpr(E->getSourceRange(), SubExpr.get()); | ||||
14167 | } | ||||
14168 | |||||
14169 | template<typename Derived> | ||||
14170 | ExprResult | ||||
14171 | TreeTransform<Derived>::TransformObjCArrayLiteral(ObjCArrayLiteral *E) { | ||||
14172 | // Transform each of the elements. | ||||
14173 | SmallVector<Expr *, 8> Elements; | ||||
14174 | bool ArgChanged = false; | ||||
14175 | if (getDerived().TransformExprs(E->getElements(), E->getNumElements(), | ||||
14176 | /*IsCall=*/false, Elements, &ArgChanged)) | ||||
14177 | return ExprError(); | ||||
14178 | |||||
14179 | if (!getDerived().AlwaysRebuild() && !ArgChanged) | ||||
14180 | return SemaRef.MaybeBindToTemporary(E); | ||||
14181 | |||||
14182 | return getDerived().RebuildObjCArrayLiteral(E->getSourceRange(), | ||||
14183 | Elements.data(), | ||||
14184 | Elements.size()); | ||||
14185 | } | ||||
14186 | |||||
14187 | template<typename Derived> | ||||
14188 | ExprResult | ||||
14189 | TreeTransform<Derived>::TransformObjCDictionaryLiteral( | ||||
14190 | ObjCDictionaryLiteral *E) { | ||||
14191 | // Transform each of the elements. | ||||
14192 | SmallVector<ObjCDictionaryElement, 8> Elements; | ||||
14193 | bool ArgChanged = false; | ||||
14194 | for (unsigned I = 0, N = E->getNumElements(); I != N; ++I) { | ||||
14195 | ObjCDictionaryElement OrigElement = E->getKeyValueElement(I); | ||||
14196 | |||||
14197 | if (OrigElement.isPackExpansion()) { | ||||
14198 | // This key/value element is a pack expansion. | ||||
14199 | SmallVector<UnexpandedParameterPack, 2> Unexpanded; | ||||
14200 | getSema().collectUnexpandedParameterPacks(OrigElement.Key, Unexpanded); | ||||
14201 | getSema().collectUnexpandedParameterPacks(OrigElement.Value, Unexpanded); | ||||
14202 | assert(!Unexpanded.empty() && "Pack expansion without parameter packs?")(static_cast <bool> (!Unexpanded.empty() && "Pack expansion without parameter packs?" ) ? void (0) : __assert_fail ("!Unexpanded.empty() && \"Pack expansion without parameter packs?\"" , "clang/lib/Sema/TreeTransform.h", 14202, __extension__ __PRETTY_FUNCTION__ )); | ||||
14203 | |||||
14204 | // Determine whether the set of unexpanded parameter packs can | ||||
14205 | // and should be expanded. | ||||
14206 | bool Expand = true; | ||||
14207 | bool RetainExpansion = false; | ||||
14208 | std::optional<unsigned> OrigNumExpansions = OrigElement.NumExpansions; | ||||
14209 | std::optional<unsigned> NumExpansions = OrigNumExpansions; | ||||
14210 | SourceRange PatternRange(OrigElement.Key->getBeginLoc(), | ||||
14211 | OrigElement.Value->getEndLoc()); | ||||
14212 | if (getDerived().TryExpandParameterPacks(OrigElement.EllipsisLoc, | ||||
14213 | PatternRange, Unexpanded, Expand, | ||||
14214 | RetainExpansion, NumExpansions)) | ||||
14215 | return ExprError(); | ||||
14216 | |||||
14217 | if (!Expand) { | ||||
14218 | // The transform has determined that we should perform a simple | ||||
14219 | // transformation on the pack expansion, producing another pack | ||||
14220 | // expansion. | ||||
14221 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), -1); | ||||
14222 | ExprResult Key = getDerived().TransformExpr(OrigElement.Key); | ||||
14223 | if (Key.isInvalid()) | ||||
14224 | return ExprError(); | ||||
14225 | |||||
14226 | if (Key.get() != OrigElement.Key) | ||||
14227 | ArgChanged = true; | ||||
14228 | |||||
14229 | ExprResult Value = getDerived().TransformExpr(OrigElement.Value); | ||||
14230 | if (Value.isInvalid()) | ||||
14231 | return ExprError(); | ||||
14232 | |||||
14233 | if (Value.get() != OrigElement.Value) | ||||
14234 | ArgChanged = true; | ||||
14235 | |||||
14236 | ObjCDictionaryElement Expansion = { | ||||
14237 | Key.get(), Value.get(), OrigElement.EllipsisLoc, NumExpansions | ||||
14238 | }; | ||||
14239 | Elements.push_back(Expansion); | ||||
14240 | continue; | ||||
14241 | } | ||||
14242 | |||||
14243 | // Record right away that the argument was changed. This needs | ||||
14244 | // to happen even if the array expands to nothing. | ||||
14245 | ArgChanged = true; | ||||
14246 | |||||
14247 | // The transform has determined that we should perform an elementwise | ||||
14248 | // expansion of the pattern. Do so. | ||||
14249 | for (unsigned I = 0; I != *NumExpansions; ++I) { | ||||
14250 | Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), I); | ||||
14251 | ExprResult Key = getDerived().TransformExpr(OrigElement.Key); | ||||
14252 | if (Key.isInvalid()) | ||||
14253 | return ExprError(); | ||||
14254 | |||||
14255 | ExprResult Value = getDerived().TransformExpr(OrigElement.Value); | ||||
14256 | if (Value.isInvalid()) | ||||
14257 | return ExprError(); | ||||
14258 | |||||
14259 | ObjCDictionaryElement Element = { | ||||
14260 | Key.get(), Value.get(), SourceLocation(), NumExpansions | ||||
14261 | }; | ||||
14262 | |||||
14263 | // If any unexpanded parameter packs remain, we still have a | ||||
14264 | // pack expansion. | ||||
14265 | // FIXME: Can this really happen? | ||||
14266 | if (Key.get()->containsUnexpandedParameterPack() || | ||||
14267 | Value.get()->containsUnexpandedParameterPack()) | ||||
14268 | Element.EllipsisLoc = OrigElement.EllipsisLoc; | ||||
14269 | |||||
14270 | Elements.push_back(Element); | ||||
14271 | } | ||||
14272 | |||||
14273 | // FIXME: Retain a pack expansion if RetainExpansion is true. | ||||
14274 | |||||
14275 | // We've finished with this pack expansion. | ||||
14276 | continue; | ||||
14277 | } | ||||
14278 | |||||
14279 | // Transform and check key. | ||||
14280 | ExprResult Key = getDerived().TransformExpr(OrigElement.Key); | ||||
14281 | if (Key.isInvalid()) | ||||
14282 | return ExprError(); | ||||
14283 | |||||
14284 | if (Key.get() != OrigElement.Key) | ||||
14285 | ArgChanged = true; | ||||
14286 | |||||
14287 | // Transform and check value. | ||||
14288 | ExprResult Value | ||||
14289 | = getDerived().TransformExpr(OrigElement.Value); | ||||
14290 | if (Value.isInvalid()) | ||||
14291 | return ExprError(); | ||||
14292 | |||||
14293 | if (Value.get() != OrigElement.Value) | ||||
14294 | ArgChanged = true; | ||||
14295 | |||||
14296 | ObjCDictionaryElement Element = {Key.get(), Value.get(), SourceLocation(), | ||||
14297 | std::nullopt}; | ||||
14298 | Elements.push_back(Element); | ||||
14299 | } | ||||
14300 | |||||
14301 | if (!getDerived().AlwaysRebuild() && !ArgChanged) | ||||
14302 | return SemaRef.MaybeBindToTemporary(E); | ||||
14303 | |||||
14304 | return getDerived().RebuildObjCDictionaryLiteral(E->getSourceRange(), | ||||
14305 | Elements); | ||||
14306 | } | ||||
14307 | |||||
14308 | template<typename Derived> | ||||
14309 | ExprResult | ||||
14310 | TreeTransform<Derived>::TransformObjCEncodeExpr(ObjCEncodeExpr *E) { | ||||
14311 | TypeSourceInfo *EncodedTypeInfo | ||||
14312 | = getDerived().TransformType(E->getEncodedTypeSourceInfo()); | ||||
14313 | if (!EncodedTypeInfo) | ||||
14314 | return ExprError(); | ||||
14315 | |||||
14316 | if (!getDerived().AlwaysRebuild() && | ||||
14317 | EncodedTypeInfo == E->getEncodedTypeSourceInfo()) | ||||
14318 | return E; | ||||
14319 | |||||
14320 | return getDerived().RebuildObjCEncodeExpr(E->getAtLoc(), | ||||
14321 | EncodedTypeInfo, | ||||
14322 | E->getRParenLoc()); | ||||
14323 | } | ||||
14324 | |||||
14325 | template<typename Derived> | ||||
14326 | ExprResult TreeTransform<Derived>:: | ||||
14327 | TransformObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) { | ||||
14328 | // This is a kind of implicit conversion, and it needs to get dropped | ||||
14329 | // and recomputed for the same general reasons that ImplicitCastExprs | ||||
14330 | // do, as well a more specific one: this expression is only valid when | ||||
14331 | // it appears *immediately* as an argument expression. | ||||
14332 | return getDerived().TransformExpr(E->getSubExpr()); | ||||
14333 | } | ||||
14334 | |||||
14335 | template<typename Derived> | ||||
14336 | ExprResult TreeTransform<Derived>:: | ||||
14337 | TransformObjCBridgedCastExpr(ObjCBridgedCastExpr *E) { | ||||
14338 | TypeSourceInfo *TSInfo | ||||
14339 | = getDerived().TransformType(E->getTypeInfoAsWritten()); | ||||
14340 | if (!TSInfo) | ||||
14341 | return ExprError(); | ||||
14342 | |||||
14343 | ExprResult Result = getDerived().TransformExpr(E->getSubExpr()); | ||||
14344 | if (Result.isInvalid()) | ||||
14345 | return ExprError(); | ||||
14346 | |||||
14347 | if (!getDerived().AlwaysRebuild() && | ||||
14348 | TSInfo == E->getTypeInfoAsWritten() && | ||||
14349 | Result.get() == E->getSubExpr()) | ||||
14350 | return E; | ||||
14351 | |||||
14352 | return SemaRef.BuildObjCBridgedCast(E->getLParenLoc(), E->getBridgeKind(), | ||||
14353 | E->getBridgeKeywordLoc(), TSInfo, | ||||
14354 | Result.get()); | ||||
14355 | } | ||||
14356 | |||||
14357 | template <typename Derived> | ||||
14358 | ExprResult TreeTransform<Derived>::TransformObjCAvailabilityCheckExpr( | ||||
14359 | ObjCAvailabilityCheckExpr *E) { | ||||
14360 | return E; | ||||
14361 | } | ||||
14362 | |||||
14363 | template<typename Derived> | ||||
14364 | ExprResult | ||||
14365 | TreeTransform<Derived>::TransformObjCMessageExpr(ObjCMessageExpr *E) { | ||||
14366 | // Transform arguments. | ||||
14367 | bool ArgChanged = false; | ||||
14368 | SmallVector<Expr*, 8> Args; | ||||
14369 | Args.reserve(E->getNumArgs()); | ||||
14370 | if (getDerived().TransformExprs(E->getArgs(), E->getNumArgs(), false, Args, | ||||
14371 | &ArgChanged)) | ||||
14372 | return ExprError(); | ||||
14373 | |||||
14374 | if (E->getReceiverKind() == ObjCMessageExpr::Class) { | ||||
14375 | // Class message: transform the receiver type. | ||||
14376 | TypeSourceInfo *ReceiverTypeInfo | ||||
14377 | = getDerived().TransformType(E->getClassReceiverTypeInfo()); | ||||
14378 | if (!ReceiverTypeInfo) | ||||
14379 | return ExprError(); | ||||
14380 | |||||
14381 | // If nothing changed, just retain the existing message send. | ||||
14382 | if (!getDerived().AlwaysRebuild() && | ||||
14383 | ReceiverTypeInfo == E->getClassReceiverTypeInfo() && !ArgChanged) | ||||
14384 | return SemaRef.MaybeBindToTemporary(E); | ||||
14385 | |||||
14386 | // Build a new class message send. | ||||
14387 | SmallVector<SourceLocation, 16> SelLocs; | ||||
14388 | E->getSelectorLocs(SelLocs); | ||||
14389 | return getDerived().RebuildObjCMessageExpr(ReceiverTypeInfo, | ||||
14390 | E->getSelector(), | ||||
14391 | SelLocs, | ||||
14392 | E->getMethodDecl(), | ||||
14393 | E->getLeftLoc(), | ||||
14394 | Args, | ||||
14395 | E->getRightLoc()); | ||||
14396 | } | ||||
14397 | else if (E->getReceiverKind() == ObjCMessageExpr::SuperClass || | ||||
14398 | E->getReceiverKind() == ObjCMessageExpr::SuperInstance) { | ||||
14399 | if (!E->getMethodDecl()) | ||||
14400 | return ExprError(); | ||||
14401 | |||||
14402 | // Build a new class message send to 'super'. | ||||
14403 | SmallVector<SourceLocation, 16> SelLocs; | ||||
14404 | E->getSelectorLocs(SelLocs); | ||||
14405 | return getDerived().RebuildObjCMessageExpr(E->getSuperLoc(), | ||||
14406 | E->getSelector(), | ||||
14407 | SelLocs, | ||||
14408 | E->getReceiverType(), | ||||
14409 | E->getMethodDecl(), | ||||
14410 | E->getLeftLoc(), | ||||
14411 | Args, | ||||
14412 | E->getRightLoc()); | ||||
14413 | } | ||||
14414 | |||||
14415 | // Instance message: transform the receiver | ||||
14416 | assert(E->getReceiverKind() == ObjCMessageExpr::Instance &&(static_cast <bool> (E->getReceiverKind() == ObjCMessageExpr ::Instance && "Only class and instance messages may be instantiated" ) ? void (0) : __assert_fail ("E->getReceiverKind() == ObjCMessageExpr::Instance && \"Only class and instance messages may be instantiated\"" , "clang/lib/Sema/TreeTransform.h", 14417, __extension__ __PRETTY_FUNCTION__ )) | ||||
14417 | "Only class and instance messages may be instantiated")(static_cast <bool> (E->getReceiverKind() == ObjCMessageExpr ::Instance && "Only class and instance messages may be instantiated" ) ? void (0) : __assert_fail ("E->getReceiverKind() == ObjCMessageExpr::Instance && \"Only class and instance messages may be instantiated\"" , "clang/lib/Sema/TreeTransform.h", 14417, __extension__ __PRETTY_FUNCTION__ )); | ||||
14418 | ExprResult Receiver | ||||
14419 | = getDerived().TransformExpr(E->getInstanceReceiver()); | ||||
14420 | if (Receiver.isInvalid()) | ||||
14421 | return ExprError(); | ||||
14422 | |||||
14423 | // If nothing changed, just retain the existing message send. | ||||
14424 | if (!getDerived().AlwaysRebuild() && | ||||
14425 | Receiver.get() == E->getInstanceReceiver() && !ArgChanged) | ||||
14426 | return SemaRef.MaybeBindToTemporary(E); | ||||
14427 | |||||
14428 | // Build a new instance message send. | ||||
14429 | SmallVector<SourceLocation, 16> SelLocs; | ||||
14430 | E->getSelectorLocs(SelLocs); | ||||
14431 | return getDerived().RebuildObjCMessageExpr(Receiver.get(), | ||||
14432 | E->getSelector(), | ||||
14433 | SelLocs, | ||||
14434 | E->getMethodDecl(), | ||||
14435 | E->getLeftLoc(), | ||||
14436 | Args, | ||||
14437 | E->getRightLoc()); | ||||
14438 | } | ||||
14439 | |||||
14440 | template<typename Derived> | ||||
14441 | ExprResult | ||||
14442 | TreeTransform<Derived>::TransformObjCSelectorExpr(ObjCSelectorExpr *E) { | ||||
14443 | return E; | ||||
14444 | } | ||||
14445 | |||||
14446 | template<typename Derived> | ||||
14447 | ExprResult | ||||
14448 | TreeTransform<Derived>::TransformObjCProtocolExpr(ObjCProtocolExpr *E) { | ||||
14449 | return E; | ||||
14450 | } | ||||
14451 | |||||
14452 | template<typename Derived> | ||||
14453 | ExprResult | ||||
14454 | TreeTransform<Derived>::TransformObjCIvarRefExpr(ObjCIvarRefExpr *E) { | ||||
14455 | // Transform the base expression. | ||||
14456 | ExprResult Base = getDerived().TransformExpr(E->getBase()); | ||||
14457 | if (Base.isInvalid()) | ||||
14458 | return ExprError(); | ||||
14459 | |||||
14460 | // We don't need to transform the ivar; it will never change. | ||||
14461 | |||||
14462 | // If nothing changed, just retain the existing expression. | ||||
14463 | if (!getDerived().AlwaysRebuild() && | ||||
14464 | Base.get() == E->getBase()) | ||||
14465 | return E; | ||||
14466 | |||||
14467 | return getDerived().RebuildObjCIvarRefExpr(Base.get(), E->getDecl(), | ||||
14468 | E->getLocation(), | ||||
14469 | E->isArrow(), E->isFreeIvar()); | ||||
14470 | } | ||||
14471 | |||||
14472 | template<typename Derived> | ||||
14473 | ExprResult | ||||
14474 | TreeTransform<Derived>::TransformObjCPropertyRefExpr(ObjCPropertyRefExpr *E) { | ||||
14475 | // 'super' and types never change. Property never changes. Just | ||||
14476 | // retain the existing expression. | ||||
14477 | if (!E->isObjectReceiver()) | ||||
14478 | return E; | ||||
14479 | |||||
14480 | // Transform the base expression. | ||||
14481 | ExprResult Base = getDerived().TransformExpr(E->getBase()); | ||||
14482 | if (Base.isInvalid()) | ||||
14483 | return ExprError(); | ||||
14484 | |||||
14485 | // We don't need to transform the property; it will never change. | ||||
14486 | |||||
14487 | // If nothing changed, just retain the existing expression. | ||||
14488 | if (!getDerived().AlwaysRebuild() && | ||||
14489 | Base.get() == E->getBase()) | ||||
14490 | return E; | ||||
14491 | |||||
14492 | if (E->isExplicitProperty()) | ||||
14493 | return getDerived().RebuildObjCPropertyRefExpr(Base.get(), | ||||
14494 | E->getExplicitProperty(), | ||||
14495 | E->getLocation()); | ||||
14496 | |||||
14497 | return getDerived().RebuildObjCPropertyRefExpr(Base.get(), | ||||
14498 | SemaRef.Context.PseudoObjectTy, | ||||
14499 | E->getImplicitPropertyGetter(), | ||||
14500 | E->getImplicitPropertySetter(), | ||||
14501 | E->getLocation()); | ||||
14502 | } | ||||
14503 | |||||
14504 | template<typename Derived> | ||||
14505 | ExprResult | ||||
14506 | TreeTransform<Derived>::TransformObjCSubscriptRefExpr(ObjCSubscriptRefExpr *E) { | ||||
14507 | // Transform the base expression. | ||||
14508 | ExprResult Base = getDerived().TransformExpr(E->getBaseExpr()); | ||||
14509 | if (Base.isInvalid()) | ||||
14510 | return ExprError(); | ||||
14511 | |||||
14512 | // Transform the key expression. | ||||
14513 | ExprResult Key = getDerived().TransformExpr(E->getKeyExpr()); | ||||
14514 | if (Key.isInvalid()) | ||||
14515 | return ExprError(); | ||||
14516 | |||||
14517 | // If nothing changed, just retain the existing expression. | ||||
14518 | if (!getDerived().AlwaysRebuild() && | ||||
14519 | Key.get() == E->getKeyExpr() && Base.get() == E->getBaseExpr()) | ||||
14520 | return E; | ||||
14521 | |||||
14522 | return getDerived().RebuildObjCSubscriptRefExpr(E->getRBracket(), | ||||
14523 | Base.get(), Key.get(), | ||||
14524 | E->getAtIndexMethodDecl(), | ||||
14525 | E->setAtIndexMethodDecl()); | ||||
14526 | } | ||||
14527 | |||||
14528 | template<typename Derived> | ||||
14529 | ExprResult | ||||
14530 | TreeTransform<Derived>::TransformObjCIsaExpr(ObjCIsaExpr *E) { | ||||
14531 | // Transform the base expression. | ||||
14532 | ExprResult Base = getDerived().TransformExpr(E->getBase()); | ||||
14533 | if (Base.isInvalid()) | ||||
14534 | return ExprError(); | ||||
14535 | |||||
14536 | // If nothing changed, just retain the existing expression. | ||||
14537 | if (!getDerived().AlwaysRebuild() && | ||||
14538 | Base.get() == E->getBase()) | ||||
14539 | return E; | ||||
14540 | |||||
14541 | return getDerived().RebuildObjCIsaExpr(Base.get(), E->getIsaMemberLoc(), | ||||
14542 | E->getOpLoc(), | ||||
14543 | E->isArrow()); | ||||
14544 | } | ||||
14545 | |||||
14546 | template<typename Derived> | ||||
14547 | ExprResult | ||||
14548 | TreeTransform<Derived>::TransformShuffleVectorExpr(ShuffleVectorExpr *E) { | ||||
14549 | bool ArgumentChanged = false; | ||||
14550 | SmallVector<Expr*, 8> SubExprs; | ||||
14551 | SubExprs.reserve(E->getNumSubExprs()); | ||||
14552 | if (getDerived().TransformExprs(E->getSubExprs(), E->getNumSubExprs(), false, | ||||
14553 | SubExprs, &ArgumentChanged)) | ||||
14554 | return ExprError(); | ||||
14555 | |||||
14556 | if (!getDerived().AlwaysRebuild() && | ||||
14557 | !ArgumentChanged) | ||||
14558 | return E; | ||||
14559 | |||||
14560 | return getDerived().RebuildShuffleVectorExpr(E->getBuiltinLoc(), | ||||
14561 | SubExprs, | ||||
14562 | E->getRParenLoc()); | ||||
14563 | } | ||||
14564 | |||||
14565 | template<typename Derived> | ||||
14566 | ExprResult | ||||
14567 | TreeTransform<Derived>::TransformConvertVectorExpr(ConvertVectorExpr *E) { | ||||
14568 | ExprResult SrcExpr = getDerived().TransformExpr(E->getSrcExpr()); | ||||
14569 | if (SrcExpr.isInvalid()) | ||||
14570 | return ExprError(); | ||||
14571 | |||||
14572 | TypeSourceInfo *Type = getDerived().TransformType(E->getTypeSourceInfo()); | ||||
14573 | if (!Type) | ||||
14574 | return ExprError(); | ||||
14575 | |||||
14576 | if (!getDerived().AlwaysRebuild() && | ||||
14577 | Type == E->getTypeSourceInfo() && | ||||
14578 | SrcExpr.get() == E->getSrcExpr()) | ||||
14579 | return E; | ||||
14580 | |||||
14581 | return getDerived().RebuildConvertVectorExpr(E->getBuiltinLoc(), | ||||
14582 | SrcExpr.get(), Type, | ||||
14583 | E->getRParenLoc()); | ||||
14584 | } | ||||
14585 | |||||
14586 | template<typename Derived> | ||||
14587 | ExprResult | ||||
14588 | TreeTransform<Derived>::TransformBlockExpr(BlockExpr *E) { | ||||
14589 | BlockDecl *oldBlock = E->getBlockDecl(); | ||||
14590 | |||||
14591 | SemaRef.ActOnBlockStart(E->getCaretLocation(), /*Scope=*/nullptr); | ||||
14592 | BlockScopeInfo *blockScope = SemaRef.getCurBlock(); | ||||
14593 | |||||
14594 | blockScope->TheDecl->setIsVariadic(oldBlock->isVariadic()); | ||||
14595 | blockScope->TheDecl->setBlockMissingReturnType( | ||||
14596 | oldBlock->blockMissingReturnType()); | ||||
14597 | |||||
14598 | SmallVector<ParmVarDecl*, 4> params; | ||||
14599 | SmallVector<QualType, 4> paramTypes; | ||||
14600 | |||||
14601 | const FunctionProtoType *exprFunctionType = E->getFunctionType(); | ||||
14602 | |||||
14603 | // Parameter substitution. | ||||
14604 | Sema::ExtParameterInfoBuilder extParamInfos; | ||||
14605 | if (getDerived().TransformFunctionTypeParams( | ||||
14606 | E->getCaretLocation(), oldBlock->parameters(), nullptr, | ||||
14607 | exprFunctionType->getExtParameterInfosOrNull(), paramTypes, ¶ms, | ||||
14608 | extParamInfos)) { | ||||
14609 | getSema().ActOnBlockError(E->getCaretLocation(), /*Scope=*/nullptr); | ||||
14610 | return ExprError(); | ||||
14611 | } | ||||
14612 | |||||
14613 | QualType exprResultType = | ||||
14614 | getDerived().TransformType(exprFunctionType->getReturnType()); | ||||
14615 | |||||
14616 | auto epi = exprFunctionType->getExtProtoInfo(); | ||||
14617 | epi.ExtParameterInfos = extParamInfos.getPointerOrNull(paramTypes.size()); | ||||
14618 | |||||
14619 | QualType functionType = | ||||
14620 | getDerived().RebuildFunctionProtoType(exprResultType, paramTypes, epi); | ||||
14621 | blockScope->FunctionType = functionType; | ||||
14622 | |||||
14623 | // Set the parameters on the block decl. | ||||
14624 | if (!params.empty()) | ||||
14625 | blockScope->TheDecl->setParams(params); | ||||
14626 | |||||
14627 | if (!oldBlock->blockMissingReturnType()) { | ||||
14628 | blockScope->HasImplicitReturnType = false; | ||||
14629 | blockScope->ReturnType = exprResultType; | ||||
14630 | } | ||||
14631 | |||||
14632 | // Transform the body | ||||
14633 | StmtResult body = getDerived().TransformStmt(E->getBody()); | ||||
14634 | if (body.isInvalid()) { | ||||
14635 | getSema().ActOnBlockError(E->getCaretLocation(), /*Scope=*/nullptr); | ||||
14636 | return ExprError(); | ||||
14637 | } | ||||
14638 | |||||
14639 | #ifndef NDEBUG | ||||
14640 | // In builds with assertions, make sure that we captured everything we | ||||
14641 | // captured before. | ||||
14642 | if (!SemaRef.getDiagnostics().hasErrorOccurred()) { | ||||
14643 | for (const auto &I : oldBlock->captures()) { | ||||
14644 | VarDecl *oldCapture = I.getVariable(); | ||||
14645 | |||||
14646 | // Ignore parameter packs. | ||||
14647 | if (oldCapture->isParameterPack()) | ||||
14648 | continue; | ||||
14649 | |||||
14650 | VarDecl *newCapture = | ||||
14651 | cast<VarDecl>(getDerived().TransformDecl(E->getCaretLocation(), | ||||
14652 | oldCapture)); | ||||
14653 | assert(blockScope->CaptureMap.count(newCapture))(static_cast <bool> (blockScope->CaptureMap.count(newCapture )) ? void (0) : __assert_fail ("blockScope->CaptureMap.count(newCapture)" , "clang/lib/Sema/TreeTransform.h", 14653, __extension__ __PRETTY_FUNCTION__ )); | ||||
14654 | } | ||||
14655 | |||||
14656 | // The this pointer may not be captured by the instantiated block, even when | ||||
14657 | // it's captured by the original block, if the expression causing the | ||||
14658 | // capture is in the discarded branch of a constexpr if statement. | ||||
14659 | assert((!blockScope->isCXXThisCaptured() || oldBlock->capturesCXXThis()) &&(static_cast <bool> ((!blockScope->isCXXThisCaptured () || oldBlock->capturesCXXThis()) && "this pointer isn't captured in the old block" ) ? void (0) : __assert_fail ("(!blockScope->isCXXThisCaptured() || oldBlock->capturesCXXThis()) && \"this pointer isn't captured in the old block\"" , "clang/lib/Sema/TreeTransform.h", 14660, __extension__ __PRETTY_FUNCTION__ )) | ||||
14660 | "this pointer isn't captured in the old block")(static_cast <bool> ((!blockScope->isCXXThisCaptured () || oldBlock->capturesCXXThis()) && "this pointer isn't captured in the old block" ) ? void (0) : __assert_fail ("(!blockScope->isCXXThisCaptured() || oldBlock->capturesCXXThis()) && \"this pointer isn't captured in the old block\"" , "clang/lib/Sema/TreeTransform.h", 14660, __extension__ __PRETTY_FUNCTION__ )); | ||||
14661 | } | ||||
14662 | #endif | ||||
14663 | |||||
14664 | return SemaRef.ActOnBlockStmtExpr(E->getCaretLocation(), body.get(), | ||||
14665 | /*Scope=*/nullptr); | ||||
14666 | } | ||||
14667 | |||||
14668 | template<typename Derived> | ||||
14669 | ExprResult | ||||
14670 | TreeTransform<Derived>::TransformAsTypeExpr(AsTypeExpr *E) { | ||||
14671 | ExprResult SrcExpr = getDerived().TransformExpr(E->getSrcExpr()); | ||||
14672 | if (SrcExpr.isInvalid()) | ||||
14673 | return ExprError(); | ||||
14674 | |||||
14675 | QualType Type = getDerived().TransformType(E->getType()); | ||||
14676 | |||||
14677 | return SemaRef.BuildAsTypeExpr(SrcExpr.get(), Type, E->getBuiltinLoc(), | ||||
14678 | E->getRParenLoc()); | ||||
14679 | } | ||||
14680 | |||||
14681 | template<typename Derived> | ||||
14682 | ExprResult | ||||
14683 | TreeTransform<Derived>::TransformAtomicExpr(AtomicExpr *E) { | ||||
14684 | bool ArgumentChanged = false; | ||||
14685 | SmallVector<Expr*, 8> SubExprs; | ||||
14686 | SubExprs.reserve(E->getNumSubExprs()); | ||||
14687 | if (getDerived().TransformExprs(E->getSubExprs(), E->getNumSubExprs(), false, | ||||
14688 | SubExprs, &ArgumentChanged)) | ||||
14689 | return ExprError(); | ||||
14690 | |||||
14691 | if (!getDerived().AlwaysRebuild() && | ||||
14692 | !ArgumentChanged) | ||||
14693 | return E; | ||||
14694 | |||||
14695 | return getDerived().RebuildAtomicExpr(E->getBuiltinLoc(), SubExprs, | ||||
14696 | E->getOp(), E->getRParenLoc()); | ||||
14697 | } | ||||
14698 | |||||
14699 | //===----------------------------------------------------------------------===// | ||||
14700 | // Type reconstruction | ||||
14701 | //===----------------------------------------------------------------------===// | ||||
14702 | |||||
14703 | template<typename Derived> | ||||
14704 | QualType TreeTransform<Derived>::RebuildPointerType(QualType PointeeType, | ||||
14705 | SourceLocation Star) { | ||||
14706 | return SemaRef.BuildPointerType(PointeeType, Star, | ||||
14707 | getDerived().getBaseEntity()); | ||||
14708 | } | ||||
14709 | |||||
14710 | template<typename Derived> | ||||
14711 | QualType TreeTransform<Derived>::RebuildBlockPointerType(QualType PointeeType, | ||||
14712 | SourceLocation Star) { | ||||
14713 | return SemaRef.BuildBlockPointerType(PointeeType, Star, | ||||
14714 | getDerived().getBaseEntity()); | ||||
14715 | } | ||||
14716 | |||||
14717 | template<typename Derived> | ||||
14718 | QualType | ||||
14719 | TreeTransform<Derived>::RebuildReferenceType(QualType ReferentType, | ||||
14720 | bool WrittenAsLValue, | ||||
14721 | SourceLocation Sigil) { | ||||
14722 | return SemaRef.BuildReferenceType(ReferentType, WrittenAsLValue, | ||||
14723 | Sigil, getDerived().getBaseEntity()); | ||||
14724 | } | ||||
14725 | |||||
14726 | template<typename Derived> | ||||
14727 | QualType | ||||
14728 | TreeTransform<Derived>::RebuildMemberPointerType(QualType PointeeType, | ||||
14729 | QualType ClassType, | ||||
14730 | SourceLocation Sigil) { | ||||
14731 | return SemaRef.BuildMemberPointerType(PointeeType, ClassType, Sigil, | ||||
14732 | getDerived().getBaseEntity()); | ||||
14733 | } | ||||
14734 | |||||
14735 | template<typename Derived> | ||||
14736 | QualType TreeTransform<Derived>::RebuildObjCTypeParamType( | ||||
14737 | const ObjCTypeParamDecl *Decl, | ||||
14738 | SourceLocation ProtocolLAngleLoc, | ||||
14739 | ArrayRef<ObjCProtocolDecl *> Protocols, | ||||
14740 | ArrayRef<SourceLocation> ProtocolLocs, | ||||
14741 | SourceLocation ProtocolRAngleLoc) { | ||||
14742 | return SemaRef.BuildObjCTypeParamType(Decl, | ||||
14743 | ProtocolLAngleLoc, Protocols, | ||||
14744 | ProtocolLocs, ProtocolRAngleLoc, | ||||
14745 | /*FailOnError=*/true); | ||||
14746 | } | ||||
14747 | |||||
14748 | template<typename Derived> | ||||
14749 | QualType TreeTransform<Derived>::RebuildObjCObjectType( | ||||
14750 | QualType BaseType, | ||||
14751 | SourceLocation Loc, | ||||
14752 | SourceLocation TypeArgsLAngleLoc, | ||||
14753 | ArrayRef<TypeSourceInfo *> TypeArgs, | ||||
14754 | SourceLocation TypeArgsRAngleLoc, | ||||
14755 | SourceLocation ProtocolLAngleLoc, | ||||
14756 | ArrayRef<ObjCProtocolDecl *> Protocols, | ||||
14757 | ArrayRef<SourceLocation> ProtocolLocs, | ||||
14758 | SourceLocation ProtocolRAngleLoc) { | ||||
14759 | return SemaRef.BuildObjCObjectType(BaseType, Loc, TypeArgsLAngleLoc, TypeArgs, | ||||
14760 | TypeArgsRAngleLoc, ProtocolLAngleLoc, | ||||
14761 | Protocols, ProtocolLocs, ProtocolRAngleLoc, | ||||
14762 | /*FailOnError=*/true, | ||||
14763 | /*Rebuilding=*/true); | ||||
14764 | } | ||||
14765 | |||||
14766 | template<typename Derived> | ||||
14767 | QualType TreeTransform<Derived>::RebuildObjCObjectPointerType( | ||||
14768 | QualType PointeeType, | ||||
14769 | SourceLocation Star) { | ||||
14770 | return SemaRef.Context.getObjCObjectPointerType(PointeeType); | ||||
14771 | } | ||||
14772 | |||||
14773 | template<typename Derived> | ||||
14774 | QualType | ||||
14775 | TreeTransform<Derived>::RebuildArrayType(QualType ElementType, | ||||
14776 | ArrayType::ArraySizeModifier SizeMod, | ||||
14777 | const llvm::APInt *Size, | ||||
14778 | Expr *SizeExpr, | ||||
14779 | unsigned IndexTypeQuals, | ||||
14780 | SourceRange BracketsRange) { | ||||
14781 | if (SizeExpr || !Size) | ||||
14782 | return SemaRef.BuildArrayType(ElementType, SizeMod, SizeExpr, | ||||
14783 | IndexTypeQuals, BracketsRange, | ||||
14784 | getDerived().getBaseEntity()); | ||||
14785 | |||||
14786 | QualType Types[] = { | ||||
14787 | SemaRef.Context.UnsignedCharTy, SemaRef.Context.UnsignedShortTy, | ||||
14788 | SemaRef.Context.UnsignedIntTy, SemaRef.Context.UnsignedLongTy, | ||||
14789 | SemaRef.Context.UnsignedLongLongTy, SemaRef.Context.UnsignedInt128Ty | ||||
14790 | }; | ||||
14791 | QualType SizeType; | ||||
14792 | for (const auto &T : Types) | ||||
14793 | if (Size->getBitWidth() == SemaRef.Context.getIntWidth(T)) { | ||||
14794 | SizeType = T; | ||||
14795 | break; | ||||
14796 | } | ||||
14797 | |||||
14798 | // Note that we can return a VariableArrayType here in the case where | ||||
14799 | // the element type was a dependent VariableArrayType. | ||||
14800 | IntegerLiteral *ArraySize | ||||
14801 | = IntegerLiteral::Create(SemaRef.Context, *Size, SizeType, | ||||
14802 | /*FIXME*/BracketsRange.getBegin()); | ||||
14803 | return SemaRef.BuildArrayType(ElementType, SizeMod, ArraySize, | ||||
14804 | IndexTypeQuals, BracketsRange, | ||||
14805 | getDerived().getBaseEntity()); | ||||
14806 | } | ||||
14807 | |||||
14808 | template<typename Derived> | ||||
14809 | QualType | ||||
14810 | TreeTransform<Derived>::RebuildConstantArrayType(QualType ElementType, | ||||
14811 | ArrayType::ArraySizeModifier SizeMod, | ||||
14812 | const llvm::APInt &Size, | ||||
14813 | Expr *SizeExpr, | ||||
14814 | unsigned IndexTypeQuals, | ||||
14815 | SourceRange BracketsRange) { | ||||
14816 | return getDerived().RebuildArrayType(ElementType, SizeMod, &Size, SizeExpr, | ||||
14817 | IndexTypeQuals, BracketsRange); | ||||
14818 | } | ||||
14819 | |||||
14820 | template<typename Derived> | ||||
14821 | QualType | ||||
14822 | TreeTransform<Derived>::RebuildIncompleteArrayType(QualType ElementType, | ||||
14823 | ArrayType::ArraySizeModifier SizeMod, | ||||
14824 | unsigned IndexTypeQuals, | ||||
14825 | SourceRange BracketsRange) { | ||||
14826 | return getDerived().RebuildArrayType(ElementType, SizeMod, nullptr, nullptr, | ||||
14827 | IndexTypeQuals, BracketsRange); | ||||
14828 | } | ||||
14829 | |||||
14830 | template<typename Derived> | ||||
14831 | QualType | ||||
14832 | TreeTransform<Derived>::RebuildVariableArrayType(QualType ElementType, | ||||
14833 | ArrayType::ArraySizeModifier SizeMod, | ||||
14834 | Expr *SizeExpr, | ||||
14835 | unsigned IndexTypeQuals, | ||||
14836 | SourceRange BracketsRange) { | ||||
14837 | return getDerived().RebuildArrayType(ElementType, SizeMod, nullptr, | ||||
14838 | SizeExpr, | ||||
14839 | IndexTypeQuals, BracketsRange); | ||||
14840 | } | ||||
14841 | |||||
14842 | template<typename Derived> | ||||
14843 | QualType | ||||
14844 | TreeTransform<Derived>::RebuildDependentSizedArrayType(QualType ElementType, | ||||
14845 | ArrayType::ArraySizeModifier SizeMod, | ||||
14846 | Expr *SizeExpr, | ||||
14847 | unsigned IndexTypeQuals, | ||||
14848 | SourceRange BracketsRange) { | ||||
14849 | return getDerived().RebuildArrayType(ElementType, SizeMod, nullptr, | ||||
14850 | SizeExpr, | ||||
14851 | IndexTypeQuals, BracketsRange); | ||||
14852 | } | ||||
14853 | |||||
14854 | template <typename Derived> | ||||
14855 | QualType TreeTransform<Derived>::RebuildDependentAddressSpaceType( | ||||
14856 | QualType PointeeType, Expr *AddrSpaceExpr, SourceLocation AttributeLoc) { | ||||
14857 | return SemaRef.BuildAddressSpaceAttr(PointeeType, AddrSpaceExpr, | ||||
14858 | AttributeLoc); | ||||
14859 | } | ||||
14860 | |||||
14861 | template <typename Derived> | ||||
14862 | QualType | ||||
14863 | TreeTransform<Derived>::RebuildVectorType(QualType ElementType, | ||||
14864 | unsigned NumElements, | ||||
14865 | VectorType::VectorKind VecKind) { | ||||
14866 | // FIXME: semantic checking! | ||||
14867 | return SemaRef.Context.getVectorType(ElementType, NumElements, VecKind); | ||||
14868 | } | ||||
14869 | |||||
14870 | template <typename Derived> | ||||
14871 | QualType TreeTransform<Derived>::RebuildDependentVectorType( | ||||
14872 | QualType ElementType, Expr *SizeExpr, SourceLocation AttributeLoc, | ||||
14873 | VectorType::VectorKind VecKind) { | ||||
14874 | return SemaRef.BuildVectorType(ElementType, SizeExpr, AttributeLoc); | ||||
14875 | } | ||||
14876 | |||||
14877 | template<typename Derived> | ||||
14878 | QualType TreeTransform<Derived>::RebuildExtVectorType(QualType ElementType, | ||||
14879 | unsigned NumElements, | ||||
14880 | SourceLocation AttributeLoc) { | ||||
14881 | llvm::APInt numElements(SemaRef.Context.getIntWidth(SemaRef.Context.IntTy), | ||||
14882 | NumElements, true); | ||||
14883 | IntegerLiteral *VectorSize | ||||
14884 | = IntegerLiteral::Create(SemaRef.Context, numElements, SemaRef.Context.IntTy, | ||||
14885 | AttributeLoc); | ||||
14886 | return SemaRef.BuildExtVectorType(ElementType, VectorSize, AttributeLoc); | ||||
14887 | } | ||||
14888 | |||||
14889 | template<typename Derived> | ||||
14890 | QualType | ||||
14891 | TreeTransform<Derived>::RebuildDependentSizedExtVectorType(QualType ElementType, | ||||
14892 | Expr *SizeExpr, | ||||
14893 | SourceLocation AttributeLoc) { | ||||
14894 | return SemaRef.BuildExtVectorType(ElementType, SizeExpr, AttributeLoc); | ||||
14895 | } | ||||
14896 | |||||
14897 | template <typename Derived> | ||||
14898 | QualType TreeTransform<Derived>::RebuildConstantMatrixType( | ||||
14899 | QualType ElementType, unsigned NumRows, unsigned NumColumns) { | ||||
14900 | return SemaRef.Context.getConstantMatrixType(ElementType, NumRows, | ||||
14901 | NumColumns); | ||||
14902 | } | ||||
14903 | |||||
14904 | template <typename Derived> | ||||
14905 | QualType TreeTransform<Derived>::RebuildDependentSizedMatrixType( | ||||
14906 | QualType ElementType, Expr *RowExpr, Expr *ColumnExpr, | ||||
14907 | SourceLocation AttributeLoc) { | ||||
14908 | return SemaRef.BuildMatrixType(ElementType, RowExpr, ColumnExpr, | ||||
14909 | AttributeLoc); | ||||
14910 | } | ||||
14911 | |||||
14912 | template<typename Derived> | ||||
14913 | QualType TreeTransform<Derived>::RebuildFunctionProtoType( | ||||
14914 | QualType T, | ||||
14915 | MutableArrayRef<QualType> ParamTypes, | ||||
14916 | const FunctionProtoType::ExtProtoInfo &EPI) { | ||||
14917 | return SemaRef.BuildFunctionType(T, ParamTypes, | ||||
14918 | getDerived().getBaseLocation(), | ||||
14919 | getDerived().getBaseEntity(), | ||||
14920 | EPI); | ||||
14921 | } | ||||
14922 | |||||
14923 | template<typename Derived> | ||||
14924 | QualType TreeTransform<Derived>::RebuildFunctionNoProtoType(QualType T) { | ||||
14925 | return SemaRef.Context.getFunctionNoProtoType(T); | ||||
14926 | } | ||||
14927 | |||||
14928 | template<typename Derived> | ||||
14929 | QualType TreeTransform<Derived>::RebuildUnresolvedUsingType(SourceLocation Loc, | ||||
14930 | Decl *D) { | ||||
14931 | assert(D && "no decl found")(static_cast <bool> (D && "no decl found") ? void (0) : __assert_fail ("D && \"no decl found\"", "clang/lib/Sema/TreeTransform.h" , 14931, __extension__ __PRETTY_FUNCTION__)); | ||||
14932 | if (D->isInvalidDecl()) return QualType(); | ||||
14933 | |||||
14934 | // FIXME: Doesn't account for ObjCInterfaceDecl! | ||||
14935 | if (auto *UPD = dyn_cast<UsingPackDecl>(D)) { | ||||
14936 | // A valid resolved using typename pack expansion decl can have multiple | ||||
14937 | // UsingDecls, but they must each have exactly one type, and it must be | ||||
14938 | // the same type in every case. But we must have at least one expansion! | ||||
14939 | if (UPD->expansions().empty()) { | ||||
14940 | getSema().Diag(Loc, diag::err_using_pack_expansion_empty) | ||||
14941 | << UPD->isCXXClassMember() << UPD; | ||||
14942 | return QualType(); | ||||
14943 | } | ||||
14944 | |||||
14945 | // We might still have some unresolved types. Try to pick a resolved type | ||||
14946 | // if we can. The final instantiation will check that the remaining | ||||
14947 | // unresolved types instantiate to the type we pick. | ||||
14948 | QualType FallbackT; | ||||
14949 | QualType T; | ||||
14950 | for (auto *E : UPD->expansions()) { | ||||
14951 | QualType ThisT = RebuildUnresolvedUsingType(Loc, E); | ||||
14952 | if (ThisT.isNull()) | ||||
14953 | continue; | ||||
14954 | else if (ThisT->getAs<UnresolvedUsingType>()) | ||||
14955 | FallbackT = ThisT; | ||||
14956 | else if (T.isNull()) | ||||
14957 | T = ThisT; | ||||
14958 | else | ||||
14959 | assert(getSema().Context.hasSameType(ThisT, T) &&(static_cast <bool> (getSema().Context.hasSameType(ThisT , T) && "mismatched resolved types in using pack expansion" ) ? void (0) : __assert_fail ("getSema().Context.hasSameType(ThisT, T) && \"mismatched resolved types in using pack expansion\"" , "clang/lib/Sema/TreeTransform.h", 14960, __extension__ __PRETTY_FUNCTION__ )) | ||||
14960 | "mismatched resolved types in using pack expansion")(static_cast <bool> (getSema().Context.hasSameType(ThisT , T) && "mismatched resolved types in using pack expansion" ) ? void (0) : __assert_fail ("getSema().Context.hasSameType(ThisT, T) && \"mismatched resolved types in using pack expansion\"" , "clang/lib/Sema/TreeTransform.h", 14960, __extension__ __PRETTY_FUNCTION__ )); | ||||
14961 | } | ||||
14962 | return T.isNull() ? FallbackT : T; | ||||
14963 | } else if (auto *Using = dyn_cast<UsingDecl>(D)) { | ||||
14964 | assert(Using->hasTypename() &&(static_cast <bool> (Using->hasTypename() && "UnresolvedUsingTypenameDecl transformed to non-typename using" ) ? void (0) : __assert_fail ("Using->hasTypename() && \"UnresolvedUsingTypenameDecl transformed to non-typename using\"" , "clang/lib/Sema/TreeTransform.h", 14965, __extension__ __PRETTY_FUNCTION__ )) | ||||
14965 | "UnresolvedUsingTypenameDecl transformed to non-typename using")(static_cast <bool> (Using->hasTypename() && "UnresolvedUsingTypenameDecl transformed to non-typename using" ) ? void (0) : __assert_fail ("Using->hasTypename() && \"UnresolvedUsingTypenameDecl transformed to non-typename using\"" , "clang/lib/Sema/TreeTransform.h", 14965, __extension__ __PRETTY_FUNCTION__ )); | ||||
14966 | |||||
14967 | // A valid resolved using typename decl points to exactly one type decl. | ||||
14968 | assert(++Using->shadow_begin() == Using->shadow_end())(static_cast <bool> (++Using->shadow_begin() == Using ->shadow_end()) ? void (0) : __assert_fail ("++Using->shadow_begin() == Using->shadow_end()" , "clang/lib/Sema/TreeTransform.h", 14968, __extension__ __PRETTY_FUNCTION__ )); | ||||
14969 | |||||
14970 | UsingShadowDecl *Shadow = *Using->shadow_begin(); | ||||
14971 | if (SemaRef.DiagnoseUseOfDecl(Shadow->getTargetDecl(), Loc)) | ||||
14972 | return QualType(); | ||||
14973 | return SemaRef.Context.getUsingType( | ||||
14974 | Shadow, SemaRef.Context.getTypeDeclType( | ||||
14975 | cast<TypeDecl>(Shadow->getTargetDecl()))); | ||||
14976 | } else { | ||||
14977 | assert(isa<UnresolvedUsingTypenameDecl>(D) &&(static_cast <bool> (isa<UnresolvedUsingTypenameDecl >(D) && "UnresolvedUsingTypenameDecl transformed to non-using decl" ) ? void (0) : __assert_fail ("isa<UnresolvedUsingTypenameDecl>(D) && \"UnresolvedUsingTypenameDecl transformed to non-using decl\"" , "clang/lib/Sema/TreeTransform.h", 14978, __extension__ __PRETTY_FUNCTION__ )) | ||||
14978 | "UnresolvedUsingTypenameDecl transformed to non-using decl")(static_cast <bool> (isa<UnresolvedUsingTypenameDecl >(D) && "UnresolvedUsingTypenameDecl transformed to non-using decl" ) ? void (0) : __assert_fail ("isa<UnresolvedUsingTypenameDecl>(D) && \"UnresolvedUsingTypenameDecl transformed to non-using decl\"" , "clang/lib/Sema/TreeTransform.h", 14978, __extension__ __PRETTY_FUNCTION__ )); | ||||
14979 | return SemaRef.Context.getTypeDeclType( | ||||
14980 | cast<UnresolvedUsingTypenameDecl>(D)); | ||||
14981 | } | ||||
14982 | } | ||||
14983 | |||||
14984 | template <typename Derived> | ||||
14985 | QualType TreeTransform<Derived>::RebuildTypeOfExprType(Expr *E, SourceLocation, | ||||
14986 | TypeOfKind Kind) { | ||||
14987 | return SemaRef.BuildTypeofExprType(E, Kind); | ||||
14988 | } | ||||
14989 | |||||
14990 | template<typename Derived> | ||||
14991 | QualType TreeTransform<Derived>::RebuildTypeOfType(QualType Underlying, | ||||
14992 | TypeOfKind Kind) { | ||||
14993 | return SemaRef.Context.getTypeOfType(Underlying, Kind); | ||||
14994 | } | ||||
14995 | |||||
14996 | template <typename Derived> | ||||
14997 | QualType TreeTransform<Derived>::RebuildDecltypeType(Expr *E, SourceLocation) { | ||||
14998 | return SemaRef.BuildDecltypeType(E); | ||||
14999 | } | ||||
15000 | |||||
15001 | template<typename Derived> | ||||
15002 | QualType TreeTransform<Derived>::RebuildUnaryTransformType(QualType BaseType, | ||||
15003 | UnaryTransformType::UTTKind UKind, | ||||
15004 | SourceLocation Loc) { | ||||
15005 | return SemaRef.BuildUnaryTransformType(BaseType, UKind, Loc); | ||||
15006 | } | ||||
15007 | |||||
15008 | template<typename Derived> | ||||
15009 | QualType TreeTransform<Derived>::RebuildTemplateSpecializationType( | ||||
15010 | TemplateName Template, | ||||
15011 | SourceLocation TemplateNameLoc, | ||||
15012 | TemplateArgumentListInfo &TemplateArgs) { | ||||
15013 | return SemaRef.CheckTemplateIdType(Template, TemplateNameLoc, TemplateArgs); | ||||
15014 | } | ||||
15015 | |||||
15016 | template<typename Derived> | ||||
15017 | QualType TreeTransform<Derived>::RebuildAtomicType(QualType ValueType, | ||||
15018 | SourceLocation KWLoc) { | ||||
15019 | return SemaRef.BuildAtomicType(ValueType, KWLoc); | ||||
15020 | } | ||||
15021 | |||||
15022 | template<typename Derived> | ||||
15023 | QualType TreeTransform<Derived>::RebuildPipeType(QualType ValueType, | ||||
15024 | SourceLocation KWLoc, | ||||
15025 | bool isReadPipe) { | ||||
15026 | return isReadPipe ? SemaRef.BuildReadPipeType(ValueType, KWLoc) | ||||
15027 | : SemaRef.BuildWritePipeType(ValueType, KWLoc); | ||||
15028 | } | ||||
15029 | |||||
15030 | template <typename Derived> | ||||
15031 | QualType TreeTransform<Derived>::RebuildBitIntType(bool IsUnsigned, | ||||
15032 | unsigned NumBits, | ||||
15033 | SourceLocation Loc) { | ||||
15034 | llvm::APInt NumBitsAP(SemaRef.Context.getIntWidth(SemaRef.Context.IntTy), | ||||
15035 | NumBits, true); | ||||
15036 | IntegerLiteral *Bits = IntegerLiteral::Create(SemaRef.Context, NumBitsAP, | ||||
15037 | SemaRef.Context.IntTy, Loc); | ||||
15038 | return SemaRef.BuildBitIntType(IsUnsigned, Bits, Loc); | ||||
15039 | } | ||||
15040 | |||||
15041 | template <typename Derived> | ||||
15042 | QualType TreeTransform<Derived>::RebuildDependentBitIntType( | ||||
15043 | bool IsUnsigned, Expr *NumBitsExpr, SourceLocation Loc) { | ||||
15044 | return SemaRef.BuildBitIntType(IsUnsigned, NumBitsExpr, Loc); | ||||
15045 | } | ||||
15046 | |||||
15047 | template<typename Derived> | ||||
15048 | TemplateName | ||||
15049 | TreeTransform<Derived>::RebuildTemplateName(CXXScopeSpec &SS, | ||||
15050 | bool TemplateKW, | ||||
15051 | TemplateDecl *Template) { | ||||
15052 | return SemaRef.Context.getQualifiedTemplateName(SS.getScopeRep(), TemplateKW, | ||||
15053 | TemplateName(Template)); | ||||
15054 | } | ||||
15055 | |||||
15056 | template<typename Derived> | ||||
15057 | TemplateName | ||||
15058 | TreeTransform<Derived>::RebuildTemplateName(CXXScopeSpec &SS, | ||||
15059 | SourceLocation TemplateKWLoc, | ||||
15060 | const IdentifierInfo &Name, | ||||
15061 | SourceLocation NameLoc, | ||||
15062 | QualType ObjectType, | ||||
15063 | NamedDecl *FirstQualifierInScope, | ||||
15064 | bool AllowInjectedClassName) { | ||||
15065 | UnqualifiedId TemplateName; | ||||
15066 | TemplateName.setIdentifier(&Name, NameLoc); | ||||
15067 | Sema::TemplateTy Template; | ||||
15068 | getSema().ActOnTemplateName(/*Scope=*/nullptr, SS, TemplateKWLoc, | ||||
15069 | TemplateName, ParsedType::make(ObjectType), | ||||
15070 | /*EnteringContext=*/false, Template, | ||||
15071 | AllowInjectedClassName); | ||||
15072 | return Template.get(); | ||||
15073 | } | ||||
15074 | |||||
15075 | template<typename Derived> | ||||
15076 | TemplateName | ||||
15077 | TreeTransform<Derived>::RebuildTemplateName(CXXScopeSpec &SS, | ||||
15078 | SourceLocation TemplateKWLoc, | ||||
15079 | OverloadedOperatorKind Operator, | ||||
15080 | SourceLocation NameLoc, | ||||
15081 | QualType ObjectType, | ||||
15082 | bool AllowInjectedClassName) { | ||||
15083 | UnqualifiedId Name; | ||||
15084 | // FIXME: Bogus location information. | ||||
15085 | SourceLocation SymbolLocations[3] = { NameLoc, NameLoc, NameLoc }; | ||||
15086 | Name.setOperatorFunctionId(NameLoc, Operator, SymbolLocations); | ||||
15087 | Sema::TemplateTy Template; | ||||
15088 | getSema().ActOnTemplateName( | ||||
15089 | /*Scope=*/nullptr, SS, TemplateKWLoc, Name, ParsedType::make(ObjectType), | ||||
15090 | /*EnteringContext=*/false, Template, AllowInjectedClassName); | ||||
15091 | return Template.get(); | ||||
15092 | } | ||||
15093 | |||||
15094 | template<typename Derived> | ||||
15095 | ExprResult | ||||
15096 | TreeTransform<Derived>::RebuildCXXOperatorCallExpr(OverloadedOperatorKind Op, | ||||
15097 | SourceLocation OpLoc, | ||||
15098 | Expr *OrigCallee, | ||||
15099 | Expr *First, | ||||
15100 | Expr *Second) { | ||||
15101 | Expr *Callee = OrigCallee->IgnoreParenCasts(); | ||||
15102 | bool isPostIncDec = Second && (Op == OO_PlusPlus || Op == OO_MinusMinus); | ||||
15103 | |||||
15104 | if (First->getObjectKind() == OK_ObjCProperty) { | ||||
15105 | BinaryOperatorKind Opc = BinaryOperator::getOverloadedOpcode(Op); | ||||
15106 | if (BinaryOperator::isAssignmentOp(Opc)) | ||||
15107 | return SemaRef.checkPseudoObjectAssignment(/*Scope=*/nullptr, OpLoc, Opc, | ||||
15108 | First, Second); | ||||
15109 | ExprResult Result = SemaRef.CheckPlaceholderExpr(First); | ||||
15110 | if (Result.isInvalid()) | ||||
15111 | return ExprError(); | ||||
15112 | First = Result.get(); | ||||
15113 | } | ||||
15114 | |||||
15115 | if (Second && Second->getObjectKind() == OK_ObjCProperty) { | ||||
15116 | ExprResult Result = SemaRef.CheckPlaceholderExpr(Second); | ||||
15117 | if (Result.isInvalid()) | ||||
15118 | return ExprError(); | ||||
15119 | Second = Result.get(); | ||||
15120 | } | ||||
15121 | |||||
15122 | // Determine whether this should be a builtin operation. | ||||
15123 | if (Op == OO_Subscript) { | ||||
15124 | if (!First->getType()->isOverloadableType() && | ||||
15125 | !Second->getType()->isOverloadableType()) | ||||
15126 | return getSema().CreateBuiltinArraySubscriptExpr( | ||||
15127 | First, Callee->getBeginLoc(), Second, OpLoc); | ||||
15128 | } else if (Op == OO_Arrow) { | ||||
15129 | // It is possible that the type refers to a RecoveryExpr created earlier | ||||
15130 | // in the tree transformation. | ||||
15131 | if (First->getType()->isDependentType()) | ||||
15132 | return ExprError(); | ||||
15133 | // -> is never a builtin operation. | ||||
15134 | return SemaRef.BuildOverloadedArrowExpr(nullptr, First, OpLoc); | ||||
15135 | } else if (Second == nullptr || isPostIncDec) { | ||||
15136 | if (!First->getType()->isOverloadableType() || | ||||
15137 | (Op == OO_Amp && getSema().isQualifiedMemberAccess(First))) { | ||||
15138 | // The argument is not of overloadable type, or this is an expression | ||||
15139 | // of the form &Class::member, so try to create a built-in unary | ||||
15140 | // operation. | ||||
15141 | UnaryOperatorKind Opc | ||||
15142 | = UnaryOperator::getOverloadedOpcode(Op, isPostIncDec); | ||||
15143 | |||||
15144 | return getSema().CreateBuiltinUnaryOp(OpLoc, Opc, First); | ||||
15145 | } | ||||
15146 | } else { | ||||
15147 | if (!First->getType()->isOverloadableType() && | ||||
15148 | !Second->getType()->isOverloadableType()) { | ||||
15149 | // Neither of the arguments is an overloadable type, so try to | ||||
15150 | // create a built-in binary operation. | ||||
15151 | BinaryOperatorKind Opc = BinaryOperator::getOverloadedOpcode(Op); | ||||
15152 | ExprResult Result | ||||
15153 | = SemaRef.CreateBuiltinBinOp(OpLoc, Opc, First, Second); | ||||
15154 | if (Result.isInvalid()) | ||||
15155 | return ExprError(); | ||||
15156 | |||||
15157 | return Result; | ||||
15158 | } | ||||
15159 | } | ||||
15160 | |||||
15161 | // Compute the transformed set of functions (and function templates) to be | ||||
15162 | // used during overload resolution. | ||||
15163 | UnresolvedSet<16> Functions; | ||||
15164 | bool RequiresADL; | ||||
15165 | |||||
15166 | if (UnresolvedLookupExpr *ULE = dyn_cast<UnresolvedLookupExpr>(Callee)) { | ||||
15167 | Functions.append(ULE->decls_begin(), ULE->decls_end()); | ||||
15168 | // If the overload could not be resolved in the template definition | ||||
15169 | // (because we had a dependent argument), ADL is performed as part of | ||||
15170 | // template instantiation. | ||||
15171 | RequiresADL = ULE->requiresADL(); | ||||
15172 | } else { | ||||
15173 | // If we've resolved this to a particular non-member function, just call | ||||
15174 | // that function. If we resolved it to a member function, | ||||
15175 | // CreateOverloaded* will find that function for us. | ||||
15176 | NamedDecl *ND = cast<DeclRefExpr>(Callee)->getDecl(); | ||||
15177 | if (!isa<CXXMethodDecl>(ND)) | ||||
15178 | Functions.addDecl(ND); | ||||
15179 | RequiresADL = false; | ||||
15180 | } | ||||
15181 | |||||
15182 | // Add any functions found via argument-dependent lookup. | ||||
15183 | Expr *Args[2] = { First, Second }; | ||||
15184 | unsigned NumArgs = 1 + (Second != nullptr); | ||||
15185 | |||||
15186 | // Create the overloaded operator invocation for unary operators. | ||||
15187 | if (NumArgs == 1 || isPostIncDec) { | ||||
15188 | UnaryOperatorKind Opc | ||||
15189 | = UnaryOperator::getOverloadedOpcode(Op, isPostIncDec); | ||||
15190 | return SemaRef.CreateOverloadedUnaryOp(OpLoc, Opc, Functions, First, | ||||
15191 | RequiresADL); | ||||
15192 | } | ||||
15193 | |||||
15194 | if (Op == OO_Subscript) { | ||||
15195 | SourceLocation LBrace; | ||||
15196 | SourceLocation RBrace; | ||||
15197 | |||||
15198 | if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee)) { | ||||
15199 | DeclarationNameLoc NameLoc = DRE->getNameInfo().getInfo(); | ||||
15200 | LBrace = NameLoc.getCXXOperatorNameBeginLoc(); | ||||
15201 | RBrace = NameLoc.getCXXOperatorNameEndLoc(); | ||||
15202 | } else { | ||||
15203 | LBrace = Callee->getBeginLoc(); | ||||
15204 | RBrace = OpLoc; | ||||
15205 | } | ||||
15206 | |||||
15207 | return SemaRef.CreateOverloadedArraySubscriptExpr(LBrace, RBrace, | ||||
15208 | First, Second); | ||||
15209 | } | ||||
15210 | |||||
15211 | // Create the overloaded operator invocation for binary operators. | ||||
15212 | BinaryOperatorKind Opc = BinaryOperator::getOverloadedOpcode(Op); | ||||
15213 | ExprResult Result = SemaRef.CreateOverloadedBinOp( | ||||
15214 | OpLoc, Opc, Functions, Args[0], Args[1], RequiresADL); | ||||
15215 | if (Result.isInvalid()) | ||||
15216 | return ExprError(); | ||||
15217 | |||||
15218 | return Result; | ||||
15219 | } | ||||
15220 | |||||
15221 | template<typename Derived> | ||||
15222 | ExprResult | ||||
15223 | TreeTransform<Derived>::RebuildCXXPseudoDestructorExpr(Expr *Base, | ||||
15224 | SourceLocation OperatorLoc, | ||||
15225 | bool isArrow, | ||||
15226 | CXXScopeSpec &SS, | ||||
15227 | TypeSourceInfo *ScopeType, | ||||
15228 | SourceLocation CCLoc, | ||||
15229 | SourceLocation TildeLoc, | ||||
15230 | PseudoDestructorTypeStorage Destroyed) { | ||||
15231 | QualType BaseType = Base->getType(); | ||||
15232 | if (Base->isTypeDependent() || Destroyed.getIdentifier() || | ||||
15233 | (!isArrow && !BaseType->getAs<RecordType>()) || | ||||
15234 | (isArrow && BaseType->getAs<PointerType>() && | ||||
15235 | !BaseType->castAs<PointerType>()->getPointeeType() | ||||
15236 | ->template getAs<RecordType>())){ | ||||
15237 | // This pseudo-destructor expression is still a pseudo-destructor. | ||||
15238 | return SemaRef.BuildPseudoDestructorExpr( | ||||
15239 | Base, OperatorLoc, isArrow ? tok::arrow : tok::period, SS, ScopeType, | ||||
15240 | CCLoc, TildeLoc, Destroyed); | ||||
15241 | } | ||||
15242 | |||||
15243 | TypeSourceInfo *DestroyedType = Destroyed.getTypeSourceInfo(); | ||||
15244 | DeclarationName Name(SemaRef.Context.DeclarationNames.getCXXDestructorName( | ||||
15245 | SemaRef.Context.getCanonicalType(DestroyedType->getType()))); | ||||
15246 | DeclarationNameInfo NameInfo(Name, Destroyed.getLocation()); | ||||
15247 | NameInfo.setNamedTypeInfo(DestroyedType); | ||||
15248 | |||||
15249 | // The scope type is now known to be a valid nested name specifier | ||||
15250 | // component. Tack it on to the end of the nested name specifier. | ||||
15251 | if (ScopeType) { | ||||
15252 | if (!ScopeType->getType()->getAs<TagType>()) { | ||||
15253 | getSema().Diag(ScopeType->getTypeLoc().getBeginLoc(), | ||||
15254 | diag::err_expected_class_or_namespace) | ||||
15255 | << ScopeType->getType() << getSema().getLangOpts().CPlusPlus; | ||||
15256 | return ExprError(); | ||||
15257 | } | ||||
15258 | SS.Extend(SemaRef.Context, SourceLocation(), ScopeType->getTypeLoc(), | ||||
15259 | CCLoc); | ||||
15260 | } | ||||
15261 | |||||
15262 | SourceLocation TemplateKWLoc; // FIXME: retrieve it from caller. | ||||
15263 | return getSema().BuildMemberReferenceExpr(Base, BaseType, | ||||
15264 | OperatorLoc, isArrow, | ||||
15265 | SS, TemplateKWLoc, | ||||
15266 | /*FIXME: FirstQualifier*/ nullptr, | ||||
15267 | NameInfo, | ||||
15268 | /*TemplateArgs*/ nullptr, | ||||
15269 | /*S*/nullptr); | ||||
15270 | } | ||||
15271 | |||||
15272 | template<typename Derived> | ||||
15273 | StmtResult | ||||
15274 | TreeTransform<Derived>::TransformCapturedStmt(CapturedStmt *S) { | ||||
15275 | SourceLocation Loc = S->getBeginLoc(); | ||||
15276 | CapturedDecl *CD = S->getCapturedDecl(); | ||||
15277 | unsigned NumParams = CD->getNumParams(); | ||||
15278 | unsigned ContextParamPos = CD->getContextParamPosition(); | ||||
15279 | SmallVector<Sema::CapturedParamNameType, 4> Params; | ||||
15280 | for (unsigned I = 0; I < NumParams; ++I) { | ||||
15281 | if (I != ContextParamPos) { | ||||
15282 | Params.push_back( | ||||
15283 | std::make_pair( | ||||
15284 | CD->getParam(I)->getName(), | ||||
15285 | getDerived().TransformType(CD->getParam(I)->getType()))); | ||||
15286 | } else { | ||||
15287 | Params.push_back(std::make_pair(StringRef(), QualType())); | ||||
15288 | } | ||||
15289 | } | ||||
15290 | getSema().ActOnCapturedRegionStart(Loc, /*CurScope*/nullptr, | ||||
15291 | S->getCapturedRegionKind(), Params); | ||||
15292 | StmtResult Body; | ||||
15293 | { | ||||
15294 | Sema::CompoundScopeRAII CompoundScope(getSema()); | ||||
15295 | Body = getDerived().TransformStmt(S->getCapturedStmt()); | ||||
15296 | } | ||||
15297 | |||||
15298 | if (Body.isInvalid()) { | ||||
15299 | getSema().ActOnCapturedRegionError(); | ||||
15300 | return StmtError(); | ||||
15301 | } | ||||
15302 | |||||
15303 | return getSema().ActOnCapturedRegionEnd(Body.get()); | ||||
15304 | } | ||||
15305 | |||||
15306 | } // end namespace clang | ||||
15307 | |||||
15308 | #endif // LLVM_CLANG_LIB_SEMA_TREETRANSFORM_H |