File: | clang/lib/AST/ASTImporter.cpp |
Warning: | line 5640, column 16 Called C++ object pointer is uninitialized |
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1 | //===- ASTImporter.cpp - Importing ASTs from other Contexts ---------------===// | ||||||||
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 | // | ||||||||
9 | // This file defines the ASTImporter class which imports AST nodes from one | ||||||||
10 | // context into another context. | ||||||||
11 | // | ||||||||
12 | //===----------------------------------------------------------------------===// | ||||||||
13 | |||||||||
14 | #include "clang/AST/ASTImporter.h" | ||||||||
15 | #include "clang/AST/ASTImporterSharedState.h" | ||||||||
16 | #include "clang/AST/ASTContext.h" | ||||||||
17 | #include "clang/AST/ASTDiagnostic.h" | ||||||||
18 | #include "clang/AST/ASTStructuralEquivalence.h" | ||||||||
19 | #include "clang/AST/Attr.h" | ||||||||
20 | #include "clang/AST/Decl.h" | ||||||||
21 | #include "clang/AST/DeclAccessPair.h" | ||||||||
22 | #include "clang/AST/DeclBase.h" | ||||||||
23 | #include "clang/AST/DeclCXX.h" | ||||||||
24 | #include "clang/AST/DeclFriend.h" | ||||||||
25 | #include "clang/AST/DeclGroup.h" | ||||||||
26 | #include "clang/AST/DeclObjC.h" | ||||||||
27 | #include "clang/AST/DeclTemplate.h" | ||||||||
28 | #include "clang/AST/DeclVisitor.h" | ||||||||
29 | #include "clang/AST/DeclarationName.h" | ||||||||
30 | #include "clang/AST/Expr.h" | ||||||||
31 | #include "clang/AST/ExprCXX.h" | ||||||||
32 | #include "clang/AST/ExprObjC.h" | ||||||||
33 | #include "clang/AST/ExternalASTSource.h" | ||||||||
34 | #include "clang/AST/LambdaCapture.h" | ||||||||
35 | #include "clang/AST/NestedNameSpecifier.h" | ||||||||
36 | #include "clang/AST/OperationKinds.h" | ||||||||
37 | #include "clang/AST/Stmt.h" | ||||||||
38 | #include "clang/AST/StmtCXX.h" | ||||||||
39 | #include "clang/AST/StmtObjC.h" | ||||||||
40 | #include "clang/AST/StmtVisitor.h" | ||||||||
41 | #include "clang/AST/TemplateBase.h" | ||||||||
42 | #include "clang/AST/TemplateName.h" | ||||||||
43 | #include "clang/AST/Type.h" | ||||||||
44 | #include "clang/AST/TypeLoc.h" | ||||||||
45 | #include "clang/AST/TypeVisitor.h" | ||||||||
46 | #include "clang/AST/UnresolvedSet.h" | ||||||||
47 | #include "clang/Basic/Builtins.h" | ||||||||
48 | #include "clang/Basic/ExceptionSpecificationType.h" | ||||||||
49 | #include "clang/Basic/FileManager.h" | ||||||||
50 | #include "clang/Basic/IdentifierTable.h" | ||||||||
51 | #include "clang/Basic/LLVM.h" | ||||||||
52 | #include "clang/Basic/LangOptions.h" | ||||||||
53 | #include "clang/Basic/SourceLocation.h" | ||||||||
54 | #include "clang/Basic/SourceManager.h" | ||||||||
55 | #include "clang/Basic/Specifiers.h" | ||||||||
56 | #include "llvm/ADT/APSInt.h" | ||||||||
57 | #include "llvm/ADT/ArrayRef.h" | ||||||||
58 | #include "llvm/ADT/DenseMap.h" | ||||||||
59 | #include "llvm/ADT/None.h" | ||||||||
60 | #include "llvm/ADT/Optional.h" | ||||||||
61 | #include "llvm/ADT/ScopeExit.h" | ||||||||
62 | #include "llvm/ADT/STLExtras.h" | ||||||||
63 | #include "llvm/ADT/SmallVector.h" | ||||||||
64 | #include "llvm/Support/Casting.h" | ||||||||
65 | #include "llvm/Support/ErrorHandling.h" | ||||||||
66 | #include "llvm/Support/MemoryBuffer.h" | ||||||||
67 | #include <algorithm> | ||||||||
68 | #include <cassert> | ||||||||
69 | #include <cstddef> | ||||||||
70 | #include <memory> | ||||||||
71 | #include <type_traits> | ||||||||
72 | #include <utility> | ||||||||
73 | |||||||||
74 | namespace clang { | ||||||||
75 | |||||||||
76 | using llvm::make_error; | ||||||||
77 | using llvm::Error; | ||||||||
78 | using llvm::Expected; | ||||||||
79 | using ExpectedType = llvm::Expected<QualType>; | ||||||||
80 | using ExpectedStmt = llvm::Expected<Stmt *>; | ||||||||
81 | using ExpectedExpr = llvm::Expected<Expr *>; | ||||||||
82 | using ExpectedDecl = llvm::Expected<Decl *>; | ||||||||
83 | using ExpectedSLoc = llvm::Expected<SourceLocation>; | ||||||||
84 | using ExpectedName = llvm::Expected<DeclarationName>; | ||||||||
85 | |||||||||
86 | std::string ImportError::toString() const { | ||||||||
87 | // FIXME: Improve error texts. | ||||||||
88 | switch (Error) { | ||||||||
89 | case NameConflict: | ||||||||
90 | return "NameConflict"; | ||||||||
91 | case UnsupportedConstruct: | ||||||||
92 | return "UnsupportedConstruct"; | ||||||||
93 | case Unknown: | ||||||||
94 | return "Unknown error"; | ||||||||
95 | } | ||||||||
96 | llvm_unreachable("Invalid error code.")::llvm::llvm_unreachable_internal("Invalid error code.", "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 96); | ||||||||
97 | return "Invalid error code."; | ||||||||
98 | } | ||||||||
99 | |||||||||
100 | void ImportError::log(raw_ostream &OS) const { | ||||||||
101 | OS << toString(); | ||||||||
102 | } | ||||||||
103 | |||||||||
104 | std::error_code ImportError::convertToErrorCode() const { | ||||||||
105 | llvm_unreachable("Function not implemented.")::llvm::llvm_unreachable_internal("Function not implemented." , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 105); | ||||||||
106 | } | ||||||||
107 | |||||||||
108 | char ImportError::ID; | ||||||||
109 | |||||||||
110 | template <class T> | ||||||||
111 | SmallVector<Decl *, 2> | ||||||||
112 | getCanonicalForwardRedeclChain(Redeclarable<T>* D) { | ||||||||
113 | SmallVector<Decl *, 2> Redecls; | ||||||||
114 | for (auto *R : D->getFirstDecl()->redecls()) { | ||||||||
115 | if (R != D->getFirstDecl()) | ||||||||
116 | Redecls.push_back(R); | ||||||||
117 | } | ||||||||
118 | Redecls.push_back(D->getFirstDecl()); | ||||||||
119 | std::reverse(Redecls.begin(), Redecls.end()); | ||||||||
120 | return Redecls; | ||||||||
121 | } | ||||||||
122 | |||||||||
123 | SmallVector<Decl*, 2> getCanonicalForwardRedeclChain(Decl* D) { | ||||||||
124 | if (auto *FD = dyn_cast<FunctionDecl>(D)) | ||||||||
125 | return getCanonicalForwardRedeclChain<FunctionDecl>(FD); | ||||||||
126 | if (auto *VD = dyn_cast<VarDecl>(D)) | ||||||||
127 | return getCanonicalForwardRedeclChain<VarDecl>(VD); | ||||||||
128 | if (auto *TD = dyn_cast<TagDecl>(D)) | ||||||||
129 | return getCanonicalForwardRedeclChain<TagDecl>(TD); | ||||||||
130 | llvm_unreachable("Bad declaration kind")::llvm::llvm_unreachable_internal("Bad declaration kind", "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 130); | ||||||||
131 | } | ||||||||
132 | |||||||||
133 | void updateFlags(const Decl *From, Decl *To) { | ||||||||
134 | // Check if some flags or attrs are new in 'From' and copy into 'To'. | ||||||||
135 | // FIXME: Other flags or attrs? | ||||||||
136 | if (From->isUsed(false) && !To->isUsed(false)) | ||||||||
137 | To->setIsUsed(); | ||||||||
138 | } | ||||||||
139 | |||||||||
140 | class ASTNodeImporter : public TypeVisitor<ASTNodeImporter, ExpectedType>, | ||||||||
141 | public DeclVisitor<ASTNodeImporter, ExpectedDecl>, | ||||||||
142 | public StmtVisitor<ASTNodeImporter, ExpectedStmt> { | ||||||||
143 | ASTImporter &Importer; | ||||||||
144 | |||||||||
145 | // Use this instead of Importer.importInto . | ||||||||
146 | template <typename ImportT> | ||||||||
147 | LLVM_NODISCARD[[clang::warn_unused_result]] Error importInto(ImportT &To, const ImportT &From) { | ||||||||
148 | return Importer.importInto(To, From); | ||||||||
149 | } | ||||||||
150 | |||||||||
151 | // Use this to import pointers of specific type. | ||||||||
152 | template <typename ImportT> | ||||||||
153 | LLVM_NODISCARD[[clang::warn_unused_result]] Error importInto(ImportT *&To, ImportT *From) { | ||||||||
154 | auto ToOrErr = Importer.Import(From); | ||||||||
155 | if (ToOrErr) | ||||||||
156 | To = cast_or_null<ImportT>(*ToOrErr); | ||||||||
157 | return ToOrErr.takeError(); | ||||||||
158 | } | ||||||||
159 | |||||||||
160 | // Call the import function of ASTImporter for a baseclass of type `T` and | ||||||||
161 | // cast the return value to `T`. | ||||||||
162 | template <typename T> | ||||||||
163 | Expected<T *> import(T *From) { | ||||||||
164 | auto ToOrErr = Importer.Import(From); | ||||||||
| |||||||||
165 | if (!ToOrErr) | ||||||||
166 | return ToOrErr.takeError(); | ||||||||
167 | return cast_or_null<T>(*ToOrErr); | ||||||||
168 | } | ||||||||
169 | |||||||||
170 | template <typename T> | ||||||||
171 | Expected<T *> import(const T *From) { | ||||||||
172 | return import(const_cast<T *>(From)); | ||||||||
173 | } | ||||||||
174 | |||||||||
175 | // Call the import function of ASTImporter for type `T`. | ||||||||
176 | template <typename T> | ||||||||
177 | Expected<T> import(const T &From) { | ||||||||
178 | return Importer.Import(From); | ||||||||
179 | } | ||||||||
180 | |||||||||
181 | // Import an Optional<T> by importing the contained T, if any. | ||||||||
182 | template<typename T> | ||||||||
183 | Expected<Optional<T>> import(Optional<T> From) { | ||||||||
184 | if (!From) | ||||||||
185 | return Optional<T>(); | ||||||||
186 | return import(*From); | ||||||||
187 | } | ||||||||
188 | |||||||||
189 | // Helper for chaining together multiple imports. If an error is detected, | ||||||||
190 | // subsequent imports will return default constructed nodes, so that failure | ||||||||
191 | // can be detected with a single conditional branch after a sequence of | ||||||||
192 | // imports. | ||||||||
193 | template <typename T> T importChecked(Error &Err, const T &From) { | ||||||||
194 | // Don't attempt to import nodes if we hit an error earlier. | ||||||||
195 | if (Err) | ||||||||
196 | return T{}; | ||||||||
197 | Expected<T> MaybeVal = import(From); | ||||||||
198 | if (!MaybeVal) { | ||||||||
199 | Err = MaybeVal.takeError(); | ||||||||
200 | return T{}; | ||||||||
201 | } | ||||||||
202 | return *MaybeVal; | ||||||||
203 | } | ||||||||
204 | |||||||||
205 | ExplicitSpecifier importExplicitSpecifier(Error &Err, | ||||||||
206 | ExplicitSpecifier ESpec); | ||||||||
207 | |||||||||
208 | // Wrapper for an overload set. | ||||||||
209 | template <typename ToDeclT> struct CallOverloadedCreateFun { | ||||||||
210 | template <typename... Args> decltype(auto) operator()(Args &&... args) { | ||||||||
211 | return ToDeclT::Create(std::forward<Args>(args)...); | ||||||||
212 | } | ||||||||
213 | }; | ||||||||
214 | |||||||||
215 | // Always use these functions to create a Decl during import. There are | ||||||||
216 | // certain tasks which must be done after the Decl was created, e.g. we | ||||||||
217 | // must immediately register that as an imported Decl. The parameter `ToD` | ||||||||
218 | // will be set to the newly created Decl or if had been imported before | ||||||||
219 | // then to the already imported Decl. Returns a bool value set to true if | ||||||||
220 | // the `FromD` had been imported before. | ||||||||
221 | template <typename ToDeclT, typename FromDeclT, typename... Args> | ||||||||
222 | LLVM_NODISCARD[[clang::warn_unused_result]] bool GetImportedOrCreateDecl(ToDeclT *&ToD, FromDeclT *FromD, | ||||||||
223 | Args &&... args) { | ||||||||
224 | // There may be several overloads of ToDeclT::Create. We must make sure | ||||||||
225 | // to call the one which would be chosen by the arguments, thus we use a | ||||||||
226 | // wrapper for the overload set. | ||||||||
227 | CallOverloadedCreateFun<ToDeclT> OC; | ||||||||
228 | return GetImportedOrCreateSpecialDecl(ToD, OC, FromD, | ||||||||
229 | std::forward<Args>(args)...); | ||||||||
230 | } | ||||||||
231 | // Use this overload if a special Type is needed to be created. E.g if we | ||||||||
232 | // want to create a `TypeAliasDecl` and assign that to a `TypedefNameDecl` | ||||||||
233 | // then: | ||||||||
234 | // TypedefNameDecl *ToTypedef; | ||||||||
235 | // GetImportedOrCreateDecl<TypeAliasDecl>(ToTypedef, FromD, ...); | ||||||||
236 | template <typename NewDeclT, typename ToDeclT, typename FromDeclT, | ||||||||
237 | typename... Args> | ||||||||
238 | LLVM_NODISCARD[[clang::warn_unused_result]] bool GetImportedOrCreateDecl(ToDeclT *&ToD, FromDeclT *FromD, | ||||||||
239 | Args &&... args) { | ||||||||
240 | CallOverloadedCreateFun<NewDeclT> OC; | ||||||||
241 | return GetImportedOrCreateSpecialDecl(ToD, OC, FromD, | ||||||||
242 | std::forward<Args>(args)...); | ||||||||
243 | } | ||||||||
244 | // Use this version if a special create function must be | ||||||||
245 | // used, e.g. CXXRecordDecl::CreateLambda . | ||||||||
246 | template <typename ToDeclT, typename CreateFunT, typename FromDeclT, | ||||||||
247 | typename... Args> | ||||||||
248 | LLVM_NODISCARD[[clang::warn_unused_result]] bool | ||||||||
249 | GetImportedOrCreateSpecialDecl(ToDeclT *&ToD, CreateFunT CreateFun, | ||||||||
250 | FromDeclT *FromD, Args &&... args) { | ||||||||
251 | if (Importer.getImportDeclErrorIfAny(FromD)) { | ||||||||
252 | ToD = nullptr; | ||||||||
253 | return true; // Already imported but with error. | ||||||||
254 | } | ||||||||
255 | ToD = cast_or_null<ToDeclT>(Importer.GetAlreadyImportedOrNull(FromD)); | ||||||||
256 | if (ToD) | ||||||||
257 | return true; // Already imported. | ||||||||
258 | ToD = CreateFun(std::forward<Args>(args)...); | ||||||||
259 | // Keep track of imported Decls. | ||||||||
260 | Importer.RegisterImportedDecl(FromD, ToD); | ||||||||
261 | InitializeImportedDecl(FromD, ToD); | ||||||||
262 | return false; // A new Decl is created. | ||||||||
263 | } | ||||||||
264 | |||||||||
265 | void InitializeImportedDecl(Decl *FromD, Decl *ToD) { | ||||||||
266 | ToD->IdentifierNamespace = FromD->IdentifierNamespace; | ||||||||
267 | if (FromD->isUsed()) | ||||||||
268 | ToD->setIsUsed(); | ||||||||
269 | if (FromD->isImplicit()) | ||||||||
270 | ToD->setImplicit(); | ||||||||
271 | } | ||||||||
272 | |||||||||
273 | // Check if we have found an existing definition. Returns with that | ||||||||
274 | // definition if yes, otherwise returns null. | ||||||||
275 | Decl *FindAndMapDefinition(FunctionDecl *D, FunctionDecl *FoundFunction) { | ||||||||
276 | const FunctionDecl *Definition = nullptr; | ||||||||
277 | if (D->doesThisDeclarationHaveABody() && | ||||||||
278 | FoundFunction->hasBody(Definition)) | ||||||||
279 | return Importer.MapImported(D, const_cast<FunctionDecl *>(Definition)); | ||||||||
280 | return nullptr; | ||||||||
281 | } | ||||||||
282 | |||||||||
283 | void addDeclToContexts(Decl *FromD, Decl *ToD) { | ||||||||
284 | if (Importer.isMinimalImport()) { | ||||||||
285 | // In minimal import case the decl must be added even if it is not | ||||||||
286 | // contained in original context, for LLDB compatibility. | ||||||||
287 | // FIXME: Check if a better solution is possible. | ||||||||
288 | if (!FromD->getDescribedTemplate() && | ||||||||
289 | FromD->getFriendObjectKind() == Decl::FOK_None) | ||||||||
290 | ToD->getLexicalDeclContext()->addDeclInternal(ToD); | ||||||||
291 | return; | ||||||||
292 | } | ||||||||
293 | |||||||||
294 | DeclContext *FromDC = FromD->getDeclContext(); | ||||||||
295 | DeclContext *FromLexicalDC = FromD->getLexicalDeclContext(); | ||||||||
296 | DeclContext *ToDC = ToD->getDeclContext(); | ||||||||
297 | DeclContext *ToLexicalDC = ToD->getLexicalDeclContext(); | ||||||||
298 | |||||||||
299 | bool Visible = false; | ||||||||
300 | if (FromDC->containsDeclAndLoad(FromD)) { | ||||||||
301 | ToDC->addDeclInternal(ToD); | ||||||||
302 | Visible = true; | ||||||||
303 | } | ||||||||
304 | if (ToDC != ToLexicalDC && FromLexicalDC->containsDeclAndLoad(FromD)) { | ||||||||
305 | ToLexicalDC->addDeclInternal(ToD); | ||||||||
306 | Visible = true; | ||||||||
307 | } | ||||||||
308 | |||||||||
309 | // If the Decl was added to any context, it was made already visible. | ||||||||
310 | // Otherwise it is still possible that it should be visible. | ||||||||
311 | if (!Visible) { | ||||||||
312 | if (auto *FromNamed = dyn_cast<NamedDecl>(FromD)) { | ||||||||
313 | auto *ToNamed = cast<NamedDecl>(ToD); | ||||||||
314 | DeclContextLookupResult FromLookup = | ||||||||
315 | FromDC->lookup(FromNamed->getDeclName()); | ||||||||
316 | for (NamedDecl *ND : FromLookup) | ||||||||
317 | if (ND == FromNamed) { | ||||||||
318 | ToDC->makeDeclVisibleInContext(ToNamed); | ||||||||
319 | break; | ||||||||
320 | } | ||||||||
321 | } | ||||||||
322 | } | ||||||||
323 | } | ||||||||
324 | |||||||||
325 | void updateLookupTableForTemplateParameters(TemplateParameterList &Params, | ||||||||
326 | DeclContext *OldDC) { | ||||||||
327 | ASTImporterLookupTable *LT = Importer.SharedState->getLookupTable(); | ||||||||
328 | if (!LT) | ||||||||
329 | return; | ||||||||
330 | |||||||||
331 | for (NamedDecl *TP : Params) | ||||||||
332 | LT->update(TP, OldDC); | ||||||||
333 | } | ||||||||
334 | |||||||||
335 | void updateLookupTableForTemplateParameters(TemplateParameterList &Params) { | ||||||||
336 | updateLookupTableForTemplateParameters( | ||||||||
337 | Params, Importer.getToContext().getTranslationUnitDecl()); | ||||||||
338 | } | ||||||||
339 | |||||||||
340 | public: | ||||||||
341 | explicit ASTNodeImporter(ASTImporter &Importer) : Importer(Importer) {} | ||||||||
342 | |||||||||
343 | using TypeVisitor<ASTNodeImporter, ExpectedType>::Visit; | ||||||||
344 | using DeclVisitor<ASTNodeImporter, ExpectedDecl>::Visit; | ||||||||
345 | using StmtVisitor<ASTNodeImporter, ExpectedStmt>::Visit; | ||||||||
346 | |||||||||
347 | // Importing types | ||||||||
348 | ExpectedType VisitType(const Type *T); | ||||||||
349 | ExpectedType VisitAtomicType(const AtomicType *T); | ||||||||
350 | ExpectedType VisitBuiltinType(const BuiltinType *T); | ||||||||
351 | ExpectedType VisitDecayedType(const DecayedType *T); | ||||||||
352 | ExpectedType VisitComplexType(const ComplexType *T); | ||||||||
353 | ExpectedType VisitPointerType(const PointerType *T); | ||||||||
354 | ExpectedType VisitBlockPointerType(const BlockPointerType *T); | ||||||||
355 | ExpectedType VisitLValueReferenceType(const LValueReferenceType *T); | ||||||||
356 | ExpectedType VisitRValueReferenceType(const RValueReferenceType *T); | ||||||||
357 | ExpectedType VisitMemberPointerType(const MemberPointerType *T); | ||||||||
358 | ExpectedType VisitConstantArrayType(const ConstantArrayType *T); | ||||||||
359 | ExpectedType VisitIncompleteArrayType(const IncompleteArrayType *T); | ||||||||
360 | ExpectedType VisitVariableArrayType(const VariableArrayType *T); | ||||||||
361 | ExpectedType VisitDependentSizedArrayType(const DependentSizedArrayType *T); | ||||||||
362 | // FIXME: DependentSizedExtVectorType | ||||||||
363 | ExpectedType VisitVectorType(const VectorType *T); | ||||||||
364 | ExpectedType VisitExtVectorType(const ExtVectorType *T); | ||||||||
365 | ExpectedType VisitFunctionNoProtoType(const FunctionNoProtoType *T); | ||||||||
366 | ExpectedType VisitFunctionProtoType(const FunctionProtoType *T); | ||||||||
367 | ExpectedType VisitUnresolvedUsingType(const UnresolvedUsingType *T); | ||||||||
368 | ExpectedType VisitParenType(const ParenType *T); | ||||||||
369 | ExpectedType VisitTypedefType(const TypedefType *T); | ||||||||
370 | ExpectedType VisitTypeOfExprType(const TypeOfExprType *T); | ||||||||
371 | // FIXME: DependentTypeOfExprType | ||||||||
372 | ExpectedType VisitTypeOfType(const TypeOfType *T); | ||||||||
373 | ExpectedType VisitDecltypeType(const DecltypeType *T); | ||||||||
374 | ExpectedType VisitUnaryTransformType(const UnaryTransformType *T); | ||||||||
375 | ExpectedType VisitAutoType(const AutoType *T); | ||||||||
376 | ExpectedType VisitDeducedTemplateSpecializationType( | ||||||||
377 | const DeducedTemplateSpecializationType *T); | ||||||||
378 | ExpectedType VisitInjectedClassNameType(const InjectedClassNameType *T); | ||||||||
379 | // FIXME: DependentDecltypeType | ||||||||
380 | ExpectedType VisitRecordType(const RecordType *T); | ||||||||
381 | ExpectedType VisitEnumType(const EnumType *T); | ||||||||
382 | ExpectedType VisitAttributedType(const AttributedType *T); | ||||||||
383 | ExpectedType VisitTemplateTypeParmType(const TemplateTypeParmType *T); | ||||||||
384 | ExpectedType VisitSubstTemplateTypeParmType( | ||||||||
385 | const SubstTemplateTypeParmType *T); | ||||||||
386 | ExpectedType VisitTemplateSpecializationType( | ||||||||
387 | const TemplateSpecializationType *T); | ||||||||
388 | ExpectedType VisitElaboratedType(const ElaboratedType *T); | ||||||||
389 | ExpectedType VisitDependentNameType(const DependentNameType *T); | ||||||||
390 | ExpectedType VisitPackExpansionType(const PackExpansionType *T); | ||||||||
391 | ExpectedType VisitDependentTemplateSpecializationType( | ||||||||
392 | const DependentTemplateSpecializationType *T); | ||||||||
393 | ExpectedType VisitObjCInterfaceType(const ObjCInterfaceType *T); | ||||||||
394 | ExpectedType VisitObjCObjectType(const ObjCObjectType *T); | ||||||||
395 | ExpectedType VisitObjCObjectPointerType(const ObjCObjectPointerType *T); | ||||||||
396 | |||||||||
397 | // Importing declarations | ||||||||
398 | Error ImportDeclParts(NamedDecl *D, DeclarationName &Name, NamedDecl *&ToD, | ||||||||
399 | SourceLocation &Loc); | ||||||||
400 | Error ImportDeclParts( | ||||||||
401 | NamedDecl *D, DeclContext *&DC, DeclContext *&LexicalDC, | ||||||||
402 | DeclarationName &Name, NamedDecl *&ToD, SourceLocation &Loc); | ||||||||
403 | Error ImportDefinitionIfNeeded(Decl *FromD, Decl *ToD = nullptr); | ||||||||
404 | Error ImportDeclarationNameLoc( | ||||||||
405 | const DeclarationNameInfo &From, DeclarationNameInfo &To); | ||||||||
406 | Error ImportDeclContext(DeclContext *FromDC, bool ForceImport = false); | ||||||||
407 | Error ImportDeclContext( | ||||||||
408 | Decl *From, DeclContext *&ToDC, DeclContext *&ToLexicalDC); | ||||||||
409 | Error ImportImplicitMethods(const CXXRecordDecl *From, CXXRecordDecl *To); | ||||||||
410 | |||||||||
411 | Expected<CXXCastPath> ImportCastPath(CastExpr *E); | ||||||||
412 | Expected<APValue> ImportAPValue(const APValue &FromValue); | ||||||||
413 | |||||||||
414 | using Designator = DesignatedInitExpr::Designator; | ||||||||
415 | |||||||||
416 | /// What we should import from the definition. | ||||||||
417 | enum ImportDefinitionKind { | ||||||||
418 | /// Import the default subset of the definition, which might be | ||||||||
419 | /// nothing (if minimal import is set) or might be everything (if minimal | ||||||||
420 | /// import is not set). | ||||||||
421 | IDK_Default, | ||||||||
422 | /// Import everything. | ||||||||
423 | IDK_Everything, | ||||||||
424 | /// Import only the bare bones needed to establish a valid | ||||||||
425 | /// DeclContext. | ||||||||
426 | IDK_Basic | ||||||||
427 | }; | ||||||||
428 | |||||||||
429 | bool shouldForceImportDeclContext(ImportDefinitionKind IDK) { | ||||||||
430 | return IDK == IDK_Everything || | ||||||||
431 | (IDK == IDK_Default && !Importer.isMinimalImport()); | ||||||||
432 | } | ||||||||
433 | |||||||||
434 | Error ImportInitializer(VarDecl *From, VarDecl *To); | ||||||||
435 | Error ImportDefinition( | ||||||||
436 | RecordDecl *From, RecordDecl *To, | ||||||||
437 | ImportDefinitionKind Kind = IDK_Default); | ||||||||
438 | Error ImportDefinition( | ||||||||
439 | EnumDecl *From, EnumDecl *To, | ||||||||
440 | ImportDefinitionKind Kind = IDK_Default); | ||||||||
441 | Error ImportDefinition( | ||||||||
442 | ObjCInterfaceDecl *From, ObjCInterfaceDecl *To, | ||||||||
443 | ImportDefinitionKind Kind = IDK_Default); | ||||||||
444 | Error ImportDefinition( | ||||||||
445 | ObjCProtocolDecl *From, ObjCProtocolDecl *To, | ||||||||
446 | ImportDefinitionKind Kind = IDK_Default); | ||||||||
447 | Error ImportTemplateArguments( | ||||||||
448 | const TemplateArgument *FromArgs, unsigned NumFromArgs, | ||||||||
449 | SmallVectorImpl<TemplateArgument> &ToArgs); | ||||||||
450 | Expected<TemplateArgument> | ||||||||
451 | ImportTemplateArgument(const TemplateArgument &From); | ||||||||
452 | |||||||||
453 | template <typename InContainerTy> | ||||||||
454 | Error ImportTemplateArgumentListInfo( | ||||||||
455 | const InContainerTy &Container, TemplateArgumentListInfo &ToTAInfo); | ||||||||
456 | |||||||||
457 | template<typename InContainerTy> | ||||||||
458 | Error ImportTemplateArgumentListInfo( | ||||||||
459 | SourceLocation FromLAngleLoc, SourceLocation FromRAngleLoc, | ||||||||
460 | const InContainerTy &Container, TemplateArgumentListInfo &Result); | ||||||||
461 | |||||||||
462 | using TemplateArgsTy = SmallVector<TemplateArgument, 8>; | ||||||||
463 | using FunctionTemplateAndArgsTy = | ||||||||
464 | std::tuple<FunctionTemplateDecl *, TemplateArgsTy>; | ||||||||
465 | Expected<FunctionTemplateAndArgsTy> | ||||||||
466 | ImportFunctionTemplateWithTemplateArgsFromSpecialization( | ||||||||
467 | FunctionDecl *FromFD); | ||||||||
468 | Error ImportTemplateParameterLists(const DeclaratorDecl *FromD, | ||||||||
469 | DeclaratorDecl *ToD); | ||||||||
470 | |||||||||
471 | Error ImportTemplateInformation(FunctionDecl *FromFD, FunctionDecl *ToFD); | ||||||||
472 | |||||||||
473 | Error ImportFunctionDeclBody(FunctionDecl *FromFD, FunctionDecl *ToFD); | ||||||||
474 | |||||||||
475 | Error ImportDefaultArgOfParmVarDecl(const ParmVarDecl *FromParam, | ||||||||
476 | ParmVarDecl *ToParam); | ||||||||
477 | |||||||||
478 | template <typename T> | ||||||||
479 | bool hasSameVisibilityContextAndLinkage(T *Found, T *From); | ||||||||
480 | |||||||||
481 | bool IsStructuralMatch(Decl *From, Decl *To, bool Complain); | ||||||||
482 | bool IsStructuralMatch(RecordDecl *FromRecord, RecordDecl *ToRecord, | ||||||||
483 | bool Complain = true); | ||||||||
484 | bool IsStructuralMatch(VarDecl *FromVar, VarDecl *ToVar, | ||||||||
485 | bool Complain = true); | ||||||||
486 | bool IsStructuralMatch(EnumDecl *FromEnum, EnumDecl *ToRecord); | ||||||||
487 | bool IsStructuralMatch(EnumConstantDecl *FromEC, EnumConstantDecl *ToEC); | ||||||||
488 | bool IsStructuralMatch(FunctionTemplateDecl *From, | ||||||||
489 | FunctionTemplateDecl *To); | ||||||||
490 | bool IsStructuralMatch(FunctionDecl *From, FunctionDecl *To); | ||||||||
491 | bool IsStructuralMatch(ClassTemplateDecl *From, ClassTemplateDecl *To); | ||||||||
492 | bool IsStructuralMatch(VarTemplateDecl *From, VarTemplateDecl *To); | ||||||||
493 | ExpectedDecl VisitDecl(Decl *D); | ||||||||
494 | ExpectedDecl VisitImportDecl(ImportDecl *D); | ||||||||
495 | ExpectedDecl VisitEmptyDecl(EmptyDecl *D); | ||||||||
496 | ExpectedDecl VisitAccessSpecDecl(AccessSpecDecl *D); | ||||||||
497 | ExpectedDecl VisitStaticAssertDecl(StaticAssertDecl *D); | ||||||||
498 | ExpectedDecl VisitTranslationUnitDecl(TranslationUnitDecl *D); | ||||||||
499 | ExpectedDecl VisitBindingDecl(BindingDecl *D); | ||||||||
500 | ExpectedDecl VisitNamespaceDecl(NamespaceDecl *D); | ||||||||
501 | ExpectedDecl VisitNamespaceAliasDecl(NamespaceAliasDecl *D); | ||||||||
502 | ExpectedDecl VisitTypedefNameDecl(TypedefNameDecl *D, bool IsAlias); | ||||||||
503 | ExpectedDecl VisitTypedefDecl(TypedefDecl *D); | ||||||||
504 | ExpectedDecl VisitTypeAliasDecl(TypeAliasDecl *D); | ||||||||
505 | ExpectedDecl VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D); | ||||||||
506 | ExpectedDecl VisitLabelDecl(LabelDecl *D); | ||||||||
507 | ExpectedDecl VisitEnumDecl(EnumDecl *D); | ||||||||
508 | ExpectedDecl VisitRecordDecl(RecordDecl *D); | ||||||||
509 | ExpectedDecl VisitEnumConstantDecl(EnumConstantDecl *D); | ||||||||
510 | ExpectedDecl VisitFunctionDecl(FunctionDecl *D); | ||||||||
511 | ExpectedDecl VisitCXXMethodDecl(CXXMethodDecl *D); | ||||||||
512 | ExpectedDecl VisitCXXConstructorDecl(CXXConstructorDecl *D); | ||||||||
513 | ExpectedDecl VisitCXXDestructorDecl(CXXDestructorDecl *D); | ||||||||
514 | ExpectedDecl VisitCXXConversionDecl(CXXConversionDecl *D); | ||||||||
515 | ExpectedDecl VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *D); | ||||||||
516 | ExpectedDecl VisitFieldDecl(FieldDecl *D); | ||||||||
517 | ExpectedDecl VisitIndirectFieldDecl(IndirectFieldDecl *D); | ||||||||
518 | ExpectedDecl VisitFriendDecl(FriendDecl *D); | ||||||||
519 | ExpectedDecl VisitObjCIvarDecl(ObjCIvarDecl *D); | ||||||||
520 | ExpectedDecl VisitVarDecl(VarDecl *D); | ||||||||
521 | ExpectedDecl VisitImplicitParamDecl(ImplicitParamDecl *D); | ||||||||
522 | ExpectedDecl VisitParmVarDecl(ParmVarDecl *D); | ||||||||
523 | ExpectedDecl VisitObjCMethodDecl(ObjCMethodDecl *D); | ||||||||
524 | ExpectedDecl VisitObjCTypeParamDecl(ObjCTypeParamDecl *D); | ||||||||
525 | ExpectedDecl VisitObjCCategoryDecl(ObjCCategoryDecl *D); | ||||||||
526 | ExpectedDecl VisitObjCProtocolDecl(ObjCProtocolDecl *D); | ||||||||
527 | ExpectedDecl VisitLinkageSpecDecl(LinkageSpecDecl *D); | ||||||||
528 | ExpectedDecl VisitUsingDecl(UsingDecl *D); | ||||||||
529 | ExpectedDecl VisitUsingShadowDecl(UsingShadowDecl *D); | ||||||||
530 | ExpectedDecl VisitUsingDirectiveDecl(UsingDirectiveDecl *D); | ||||||||
531 | ExpectedDecl ImportUsingShadowDecls(BaseUsingDecl *D, BaseUsingDecl *ToSI); | ||||||||
532 | ExpectedDecl VisitUsingEnumDecl(UsingEnumDecl *D); | ||||||||
533 | ExpectedDecl VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D); | ||||||||
534 | ExpectedDecl VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D); | ||||||||
535 | ExpectedDecl VisitBuiltinTemplateDecl(BuiltinTemplateDecl *D); | ||||||||
536 | ExpectedDecl | ||||||||
537 | VisitLifetimeExtendedTemporaryDecl(LifetimeExtendedTemporaryDecl *D); | ||||||||
538 | |||||||||
539 | Expected<ObjCTypeParamList *> | ||||||||
540 | ImportObjCTypeParamList(ObjCTypeParamList *list); | ||||||||
541 | |||||||||
542 | ExpectedDecl VisitObjCInterfaceDecl(ObjCInterfaceDecl *D); | ||||||||
543 | ExpectedDecl VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D); | ||||||||
544 | ExpectedDecl VisitObjCImplementationDecl(ObjCImplementationDecl *D); | ||||||||
545 | ExpectedDecl VisitObjCPropertyDecl(ObjCPropertyDecl *D); | ||||||||
546 | ExpectedDecl VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D); | ||||||||
547 | ExpectedDecl VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D); | ||||||||
548 | ExpectedDecl VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D); | ||||||||
549 | ExpectedDecl VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D); | ||||||||
550 | ExpectedDecl VisitClassTemplateDecl(ClassTemplateDecl *D); | ||||||||
551 | ExpectedDecl VisitClassTemplateSpecializationDecl( | ||||||||
552 | ClassTemplateSpecializationDecl *D); | ||||||||
553 | ExpectedDecl VisitVarTemplateDecl(VarTemplateDecl *D); | ||||||||
554 | ExpectedDecl VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl *D); | ||||||||
555 | ExpectedDecl VisitFunctionTemplateDecl(FunctionTemplateDecl *D); | ||||||||
556 | |||||||||
557 | // Importing statements | ||||||||
558 | ExpectedStmt VisitStmt(Stmt *S); | ||||||||
559 | ExpectedStmt VisitGCCAsmStmt(GCCAsmStmt *S); | ||||||||
560 | ExpectedStmt VisitDeclStmt(DeclStmt *S); | ||||||||
561 | ExpectedStmt VisitNullStmt(NullStmt *S); | ||||||||
562 | ExpectedStmt VisitCompoundStmt(CompoundStmt *S); | ||||||||
563 | ExpectedStmt VisitCaseStmt(CaseStmt *S); | ||||||||
564 | ExpectedStmt VisitDefaultStmt(DefaultStmt *S); | ||||||||
565 | ExpectedStmt VisitLabelStmt(LabelStmt *S); | ||||||||
566 | ExpectedStmt VisitAttributedStmt(AttributedStmt *S); | ||||||||
567 | ExpectedStmt VisitIfStmt(IfStmt *S); | ||||||||
568 | ExpectedStmt VisitSwitchStmt(SwitchStmt *S); | ||||||||
569 | ExpectedStmt VisitWhileStmt(WhileStmt *S); | ||||||||
570 | ExpectedStmt VisitDoStmt(DoStmt *S); | ||||||||
571 | ExpectedStmt VisitForStmt(ForStmt *S); | ||||||||
572 | ExpectedStmt VisitGotoStmt(GotoStmt *S); | ||||||||
573 | ExpectedStmt VisitIndirectGotoStmt(IndirectGotoStmt *S); | ||||||||
574 | ExpectedStmt VisitContinueStmt(ContinueStmt *S); | ||||||||
575 | ExpectedStmt VisitBreakStmt(BreakStmt *S); | ||||||||
576 | ExpectedStmt VisitReturnStmt(ReturnStmt *S); | ||||||||
577 | // FIXME: MSAsmStmt | ||||||||
578 | // FIXME: SEHExceptStmt | ||||||||
579 | // FIXME: SEHFinallyStmt | ||||||||
580 | // FIXME: SEHTryStmt | ||||||||
581 | // FIXME: SEHLeaveStmt | ||||||||
582 | // FIXME: CapturedStmt | ||||||||
583 | ExpectedStmt VisitCXXCatchStmt(CXXCatchStmt *S); | ||||||||
584 | ExpectedStmt VisitCXXTryStmt(CXXTryStmt *S); | ||||||||
585 | ExpectedStmt VisitCXXForRangeStmt(CXXForRangeStmt *S); | ||||||||
586 | // FIXME: MSDependentExistsStmt | ||||||||
587 | ExpectedStmt VisitObjCForCollectionStmt(ObjCForCollectionStmt *S); | ||||||||
588 | ExpectedStmt VisitObjCAtCatchStmt(ObjCAtCatchStmt *S); | ||||||||
589 | ExpectedStmt VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S); | ||||||||
590 | ExpectedStmt VisitObjCAtTryStmt(ObjCAtTryStmt *S); | ||||||||
591 | ExpectedStmt VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S); | ||||||||
592 | ExpectedStmt VisitObjCAtThrowStmt(ObjCAtThrowStmt *S); | ||||||||
593 | ExpectedStmt VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S); | ||||||||
594 | |||||||||
595 | // Importing expressions | ||||||||
596 | ExpectedStmt VisitExpr(Expr *E); | ||||||||
597 | ExpectedStmt VisitSourceLocExpr(SourceLocExpr *E); | ||||||||
598 | ExpectedStmt VisitVAArgExpr(VAArgExpr *E); | ||||||||
599 | ExpectedStmt VisitChooseExpr(ChooseExpr *E); | ||||||||
600 | ExpectedStmt VisitGNUNullExpr(GNUNullExpr *E); | ||||||||
601 | ExpectedStmt VisitGenericSelectionExpr(GenericSelectionExpr *E); | ||||||||
602 | ExpectedStmt VisitPredefinedExpr(PredefinedExpr *E); | ||||||||
603 | ExpectedStmt VisitDeclRefExpr(DeclRefExpr *E); | ||||||||
604 | ExpectedStmt VisitImplicitValueInitExpr(ImplicitValueInitExpr *E); | ||||||||
605 | ExpectedStmt VisitDesignatedInitExpr(DesignatedInitExpr *E); | ||||||||
606 | ExpectedStmt VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E); | ||||||||
607 | ExpectedStmt VisitIntegerLiteral(IntegerLiteral *E); | ||||||||
608 | ExpectedStmt VisitFloatingLiteral(FloatingLiteral *E); | ||||||||
609 | ExpectedStmt VisitImaginaryLiteral(ImaginaryLiteral *E); | ||||||||
610 | ExpectedStmt VisitFixedPointLiteral(FixedPointLiteral *E); | ||||||||
611 | ExpectedStmt VisitCharacterLiteral(CharacterLiteral *E); | ||||||||
612 | ExpectedStmt VisitStringLiteral(StringLiteral *E); | ||||||||
613 | ExpectedStmt VisitCompoundLiteralExpr(CompoundLiteralExpr *E); | ||||||||
614 | ExpectedStmt VisitAtomicExpr(AtomicExpr *E); | ||||||||
615 | ExpectedStmt VisitAddrLabelExpr(AddrLabelExpr *E); | ||||||||
616 | ExpectedStmt VisitConstantExpr(ConstantExpr *E); | ||||||||
617 | ExpectedStmt VisitParenExpr(ParenExpr *E); | ||||||||
618 | ExpectedStmt VisitParenListExpr(ParenListExpr *E); | ||||||||
619 | ExpectedStmt VisitStmtExpr(StmtExpr *E); | ||||||||
620 | ExpectedStmt VisitUnaryOperator(UnaryOperator *E); | ||||||||
621 | ExpectedStmt VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E); | ||||||||
622 | ExpectedStmt VisitBinaryOperator(BinaryOperator *E); | ||||||||
623 | ExpectedStmt VisitConditionalOperator(ConditionalOperator *E); | ||||||||
624 | ExpectedStmt VisitBinaryConditionalOperator(BinaryConditionalOperator *E); | ||||||||
625 | ExpectedStmt VisitOpaqueValueExpr(OpaqueValueExpr *E); | ||||||||
626 | ExpectedStmt VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E); | ||||||||
627 | ExpectedStmt VisitExpressionTraitExpr(ExpressionTraitExpr *E); | ||||||||
628 | ExpectedStmt VisitArraySubscriptExpr(ArraySubscriptExpr *E); | ||||||||
629 | ExpectedStmt VisitCompoundAssignOperator(CompoundAssignOperator *E); | ||||||||
630 | ExpectedStmt VisitImplicitCastExpr(ImplicitCastExpr *E); | ||||||||
631 | ExpectedStmt VisitExplicitCastExpr(ExplicitCastExpr *E); | ||||||||
632 | ExpectedStmt VisitOffsetOfExpr(OffsetOfExpr *OE); | ||||||||
633 | ExpectedStmt VisitCXXThrowExpr(CXXThrowExpr *E); | ||||||||
634 | ExpectedStmt VisitCXXNoexceptExpr(CXXNoexceptExpr *E); | ||||||||
635 | ExpectedStmt VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E); | ||||||||
636 | ExpectedStmt VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E); | ||||||||
637 | ExpectedStmt VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E); | ||||||||
638 | ExpectedStmt VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E); | ||||||||
639 | ExpectedStmt VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E); | ||||||||
640 | ExpectedStmt VisitPackExpansionExpr(PackExpansionExpr *E); | ||||||||
641 | ExpectedStmt VisitSizeOfPackExpr(SizeOfPackExpr *E); | ||||||||
642 | ExpectedStmt VisitCXXNewExpr(CXXNewExpr *E); | ||||||||
643 | ExpectedStmt VisitCXXDeleteExpr(CXXDeleteExpr *E); | ||||||||
644 | ExpectedStmt VisitCXXConstructExpr(CXXConstructExpr *E); | ||||||||
645 | ExpectedStmt VisitCXXMemberCallExpr(CXXMemberCallExpr *E); | ||||||||
646 | ExpectedStmt VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E); | ||||||||
647 | ExpectedStmt VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E); | ||||||||
648 | ExpectedStmt VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E); | ||||||||
649 | ExpectedStmt VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E); | ||||||||
650 | ExpectedStmt VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E); | ||||||||
651 | ExpectedStmt VisitExprWithCleanups(ExprWithCleanups *E); | ||||||||
652 | ExpectedStmt VisitCXXThisExpr(CXXThisExpr *E); | ||||||||
653 | ExpectedStmt VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E); | ||||||||
654 | ExpectedStmt VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E); | ||||||||
655 | ExpectedStmt VisitMemberExpr(MemberExpr *E); | ||||||||
656 | ExpectedStmt VisitCallExpr(CallExpr *E); | ||||||||
657 | ExpectedStmt VisitLambdaExpr(LambdaExpr *LE); | ||||||||
658 | ExpectedStmt VisitInitListExpr(InitListExpr *E); | ||||||||
659 | ExpectedStmt VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E); | ||||||||
660 | ExpectedStmt VisitCXXInheritedCtorInitExpr(CXXInheritedCtorInitExpr *E); | ||||||||
661 | ExpectedStmt VisitArrayInitLoopExpr(ArrayInitLoopExpr *E); | ||||||||
662 | ExpectedStmt VisitArrayInitIndexExpr(ArrayInitIndexExpr *E); | ||||||||
663 | ExpectedStmt VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E); | ||||||||
664 | ExpectedStmt VisitCXXNamedCastExpr(CXXNamedCastExpr *E); | ||||||||
665 | ExpectedStmt VisitSubstNonTypeTemplateParmExpr(SubstNonTypeTemplateParmExpr *E); | ||||||||
666 | ExpectedStmt VisitTypeTraitExpr(TypeTraitExpr *E); | ||||||||
667 | ExpectedStmt VisitCXXTypeidExpr(CXXTypeidExpr *E); | ||||||||
668 | ExpectedStmt VisitCXXFoldExpr(CXXFoldExpr *E); | ||||||||
669 | |||||||||
670 | template<typename IIter, typename OIter> | ||||||||
671 | Error ImportArrayChecked(IIter Ibegin, IIter Iend, OIter Obegin) { | ||||||||
672 | using ItemT = std::remove_reference_t<decltype(*Obegin)>; | ||||||||
673 | for (; Ibegin != Iend; ++Ibegin, ++Obegin) { | ||||||||
674 | Expected<ItemT> ToOrErr = import(*Ibegin); | ||||||||
675 | if (!ToOrErr) | ||||||||
676 | return ToOrErr.takeError(); | ||||||||
677 | *Obegin = *ToOrErr; | ||||||||
678 | } | ||||||||
679 | return Error::success(); | ||||||||
680 | } | ||||||||
681 | |||||||||
682 | // Import every item from a container structure into an output container. | ||||||||
683 | // If error occurs, stops at first error and returns the error. | ||||||||
684 | // The output container should have space for all needed elements (it is not | ||||||||
685 | // expanded, new items are put into from the beginning). | ||||||||
686 | template<typename InContainerTy, typename OutContainerTy> | ||||||||
687 | Error ImportContainerChecked( | ||||||||
688 | const InContainerTy &InContainer, OutContainerTy &OutContainer) { | ||||||||
689 | return ImportArrayChecked( | ||||||||
690 | InContainer.begin(), InContainer.end(), OutContainer.begin()); | ||||||||
691 | } | ||||||||
692 | |||||||||
693 | template<typename InContainerTy, typename OIter> | ||||||||
694 | Error ImportArrayChecked(const InContainerTy &InContainer, OIter Obegin) { | ||||||||
695 | return ImportArrayChecked(InContainer.begin(), InContainer.end(), Obegin); | ||||||||
696 | } | ||||||||
697 | |||||||||
698 | Error ImportOverriddenMethods(CXXMethodDecl *ToMethod, | ||||||||
699 | CXXMethodDecl *FromMethod); | ||||||||
700 | |||||||||
701 | Expected<FunctionDecl *> FindFunctionTemplateSpecialization( | ||||||||
702 | FunctionDecl *FromFD); | ||||||||
703 | |||||||||
704 | // Returns true if the given function has a placeholder return type and | ||||||||
705 | // that type is declared inside the body of the function. | ||||||||
706 | // E.g. auto f() { struct X{}; return X(); } | ||||||||
707 | bool hasAutoReturnTypeDeclaredInside(FunctionDecl *D); | ||||||||
708 | }; | ||||||||
709 | |||||||||
710 | template <typename InContainerTy> | ||||||||
711 | Error ASTNodeImporter::ImportTemplateArgumentListInfo( | ||||||||
712 | SourceLocation FromLAngleLoc, SourceLocation FromRAngleLoc, | ||||||||
713 | const InContainerTy &Container, TemplateArgumentListInfo &Result) { | ||||||||
714 | auto ToLAngleLocOrErr = import(FromLAngleLoc); | ||||||||
715 | if (!ToLAngleLocOrErr) | ||||||||
716 | return ToLAngleLocOrErr.takeError(); | ||||||||
717 | auto ToRAngleLocOrErr = import(FromRAngleLoc); | ||||||||
718 | if (!ToRAngleLocOrErr) | ||||||||
719 | return ToRAngleLocOrErr.takeError(); | ||||||||
720 | |||||||||
721 | TemplateArgumentListInfo ToTAInfo(*ToLAngleLocOrErr, *ToRAngleLocOrErr); | ||||||||
722 | if (auto Err = ImportTemplateArgumentListInfo(Container, ToTAInfo)) | ||||||||
723 | return Err; | ||||||||
724 | Result = ToTAInfo; | ||||||||
725 | return Error::success(); | ||||||||
726 | } | ||||||||
727 | |||||||||
728 | template <> | ||||||||
729 | Error ASTNodeImporter::ImportTemplateArgumentListInfo<TemplateArgumentListInfo>( | ||||||||
730 | const TemplateArgumentListInfo &From, TemplateArgumentListInfo &Result) { | ||||||||
731 | return ImportTemplateArgumentListInfo( | ||||||||
732 | From.getLAngleLoc(), From.getRAngleLoc(), From.arguments(), Result); | ||||||||
733 | } | ||||||||
734 | |||||||||
735 | template <> | ||||||||
736 | Error ASTNodeImporter::ImportTemplateArgumentListInfo< | ||||||||
737 | ASTTemplateArgumentListInfo>( | ||||||||
738 | const ASTTemplateArgumentListInfo &From, | ||||||||
739 | TemplateArgumentListInfo &Result) { | ||||||||
740 | return ImportTemplateArgumentListInfo( | ||||||||
741 | From.LAngleLoc, From.RAngleLoc, From.arguments(), Result); | ||||||||
742 | } | ||||||||
743 | |||||||||
744 | Expected<ASTNodeImporter::FunctionTemplateAndArgsTy> | ||||||||
745 | ASTNodeImporter::ImportFunctionTemplateWithTemplateArgsFromSpecialization( | ||||||||
746 | FunctionDecl *FromFD) { | ||||||||
747 | assert(FromFD->getTemplatedKind() ==(static_cast <bool> (FromFD->getTemplatedKind() == FunctionDecl ::TK_FunctionTemplateSpecialization) ? void (0) : __assert_fail ("FromFD->getTemplatedKind() == FunctionDecl::TK_FunctionTemplateSpecialization" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 748, __extension__ __PRETTY_FUNCTION__)) | ||||||||
748 | FunctionDecl::TK_FunctionTemplateSpecialization)(static_cast <bool> (FromFD->getTemplatedKind() == FunctionDecl ::TK_FunctionTemplateSpecialization) ? void (0) : __assert_fail ("FromFD->getTemplatedKind() == FunctionDecl::TK_FunctionTemplateSpecialization" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 748, __extension__ __PRETTY_FUNCTION__)); | ||||||||
749 | |||||||||
750 | FunctionTemplateAndArgsTy Result; | ||||||||
751 | |||||||||
752 | auto *FTSInfo = FromFD->getTemplateSpecializationInfo(); | ||||||||
753 | if (Error Err = importInto(std::get<0>(Result), FTSInfo->getTemplate())) | ||||||||
754 | return std::move(Err); | ||||||||
755 | |||||||||
756 | // Import template arguments. | ||||||||
757 | auto TemplArgs = FTSInfo->TemplateArguments->asArray(); | ||||||||
758 | if (Error Err = ImportTemplateArguments(TemplArgs.data(), TemplArgs.size(), | ||||||||
759 | std::get<1>(Result))) | ||||||||
760 | return std::move(Err); | ||||||||
761 | |||||||||
762 | return Result; | ||||||||
763 | } | ||||||||
764 | |||||||||
765 | template <> | ||||||||
766 | Expected<TemplateParameterList *> | ||||||||
767 | ASTNodeImporter::import(TemplateParameterList *From) { | ||||||||
768 | SmallVector<NamedDecl *, 4> To(From->size()); | ||||||||
769 | if (Error Err = ImportContainerChecked(*From, To)) | ||||||||
770 | return std::move(Err); | ||||||||
771 | |||||||||
772 | ExpectedExpr ToRequiresClause = import(From->getRequiresClause()); | ||||||||
773 | if (!ToRequiresClause) | ||||||||
774 | return ToRequiresClause.takeError(); | ||||||||
775 | |||||||||
776 | auto ToTemplateLocOrErr = import(From->getTemplateLoc()); | ||||||||
777 | if (!ToTemplateLocOrErr) | ||||||||
778 | return ToTemplateLocOrErr.takeError(); | ||||||||
779 | auto ToLAngleLocOrErr = import(From->getLAngleLoc()); | ||||||||
780 | if (!ToLAngleLocOrErr) | ||||||||
781 | return ToLAngleLocOrErr.takeError(); | ||||||||
782 | auto ToRAngleLocOrErr = import(From->getRAngleLoc()); | ||||||||
783 | if (!ToRAngleLocOrErr) | ||||||||
784 | return ToRAngleLocOrErr.takeError(); | ||||||||
785 | |||||||||
786 | return TemplateParameterList::Create( | ||||||||
787 | Importer.getToContext(), | ||||||||
788 | *ToTemplateLocOrErr, | ||||||||
789 | *ToLAngleLocOrErr, | ||||||||
790 | To, | ||||||||
791 | *ToRAngleLocOrErr, | ||||||||
792 | *ToRequiresClause); | ||||||||
793 | } | ||||||||
794 | |||||||||
795 | template <> | ||||||||
796 | Expected<TemplateArgument> | ||||||||
797 | ASTNodeImporter::import(const TemplateArgument &From) { | ||||||||
798 | switch (From.getKind()) { | ||||||||
799 | case TemplateArgument::Null: | ||||||||
800 | return TemplateArgument(); | ||||||||
801 | |||||||||
802 | case TemplateArgument::Type: { | ||||||||
803 | ExpectedType ToTypeOrErr = import(From.getAsType()); | ||||||||
804 | if (!ToTypeOrErr) | ||||||||
805 | return ToTypeOrErr.takeError(); | ||||||||
806 | return TemplateArgument(*ToTypeOrErr); | ||||||||
807 | } | ||||||||
808 | |||||||||
809 | case TemplateArgument::Integral: { | ||||||||
810 | ExpectedType ToTypeOrErr = import(From.getIntegralType()); | ||||||||
811 | if (!ToTypeOrErr) | ||||||||
812 | return ToTypeOrErr.takeError(); | ||||||||
813 | return TemplateArgument(From, *ToTypeOrErr); | ||||||||
814 | } | ||||||||
815 | |||||||||
816 | case TemplateArgument::Declaration: { | ||||||||
817 | Expected<ValueDecl *> ToOrErr = import(From.getAsDecl()); | ||||||||
818 | if (!ToOrErr) | ||||||||
819 | return ToOrErr.takeError(); | ||||||||
820 | ExpectedType ToTypeOrErr = import(From.getParamTypeForDecl()); | ||||||||
821 | if (!ToTypeOrErr) | ||||||||
822 | return ToTypeOrErr.takeError(); | ||||||||
823 | return TemplateArgument(*ToOrErr, *ToTypeOrErr); | ||||||||
824 | } | ||||||||
825 | |||||||||
826 | case TemplateArgument::NullPtr: { | ||||||||
827 | ExpectedType ToTypeOrErr = import(From.getNullPtrType()); | ||||||||
828 | if (!ToTypeOrErr) | ||||||||
829 | return ToTypeOrErr.takeError(); | ||||||||
830 | return TemplateArgument(*ToTypeOrErr, /*isNullPtr*/true); | ||||||||
831 | } | ||||||||
832 | |||||||||
833 | case TemplateArgument::Template: { | ||||||||
834 | Expected<TemplateName> ToTemplateOrErr = import(From.getAsTemplate()); | ||||||||
835 | if (!ToTemplateOrErr) | ||||||||
836 | return ToTemplateOrErr.takeError(); | ||||||||
837 | |||||||||
838 | return TemplateArgument(*ToTemplateOrErr); | ||||||||
839 | } | ||||||||
840 | |||||||||
841 | case TemplateArgument::TemplateExpansion: { | ||||||||
842 | Expected<TemplateName> ToTemplateOrErr = | ||||||||
843 | import(From.getAsTemplateOrTemplatePattern()); | ||||||||
844 | if (!ToTemplateOrErr) | ||||||||
845 | return ToTemplateOrErr.takeError(); | ||||||||
846 | |||||||||
847 | return TemplateArgument( | ||||||||
848 | *ToTemplateOrErr, From.getNumTemplateExpansions()); | ||||||||
849 | } | ||||||||
850 | |||||||||
851 | case TemplateArgument::Expression: | ||||||||
852 | if (ExpectedExpr ToExpr = import(From.getAsExpr())) | ||||||||
853 | return TemplateArgument(*ToExpr); | ||||||||
854 | else | ||||||||
855 | return ToExpr.takeError(); | ||||||||
856 | |||||||||
857 | case TemplateArgument::Pack: { | ||||||||
858 | SmallVector<TemplateArgument, 2> ToPack; | ||||||||
859 | ToPack.reserve(From.pack_size()); | ||||||||
860 | if (Error Err = ImportTemplateArguments( | ||||||||
861 | From.pack_begin(), From.pack_size(), ToPack)) | ||||||||
862 | return std::move(Err); | ||||||||
863 | |||||||||
864 | return TemplateArgument( | ||||||||
865 | llvm::makeArrayRef(ToPack).copy(Importer.getToContext())); | ||||||||
866 | } | ||||||||
867 | } | ||||||||
868 | |||||||||
869 | llvm_unreachable("Invalid template argument kind")::llvm::llvm_unreachable_internal("Invalid template argument kind" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 869); | ||||||||
870 | } | ||||||||
871 | |||||||||
872 | template <> | ||||||||
873 | Expected<TemplateArgumentLoc> | ||||||||
874 | ASTNodeImporter::import(const TemplateArgumentLoc &TALoc) { | ||||||||
875 | Expected<TemplateArgument> ArgOrErr = import(TALoc.getArgument()); | ||||||||
876 | if (!ArgOrErr) | ||||||||
877 | return ArgOrErr.takeError(); | ||||||||
878 | TemplateArgument Arg = *ArgOrErr; | ||||||||
879 | |||||||||
880 | TemplateArgumentLocInfo FromInfo = TALoc.getLocInfo(); | ||||||||
881 | |||||||||
882 | TemplateArgumentLocInfo ToInfo; | ||||||||
883 | if (Arg.getKind() == TemplateArgument::Expression) { | ||||||||
884 | ExpectedExpr E = import(FromInfo.getAsExpr()); | ||||||||
885 | if (!E) | ||||||||
886 | return E.takeError(); | ||||||||
887 | ToInfo = TemplateArgumentLocInfo(*E); | ||||||||
888 | } else if (Arg.getKind() == TemplateArgument::Type) { | ||||||||
889 | if (auto TSIOrErr = import(FromInfo.getAsTypeSourceInfo())) | ||||||||
890 | ToInfo = TemplateArgumentLocInfo(*TSIOrErr); | ||||||||
891 | else | ||||||||
892 | return TSIOrErr.takeError(); | ||||||||
893 | } else { | ||||||||
894 | auto ToTemplateQualifierLocOrErr = | ||||||||
895 | import(FromInfo.getTemplateQualifierLoc()); | ||||||||
896 | if (!ToTemplateQualifierLocOrErr) | ||||||||
897 | return ToTemplateQualifierLocOrErr.takeError(); | ||||||||
898 | auto ToTemplateNameLocOrErr = import(FromInfo.getTemplateNameLoc()); | ||||||||
899 | if (!ToTemplateNameLocOrErr) | ||||||||
900 | return ToTemplateNameLocOrErr.takeError(); | ||||||||
901 | auto ToTemplateEllipsisLocOrErr = | ||||||||
902 | import(FromInfo.getTemplateEllipsisLoc()); | ||||||||
903 | if (!ToTemplateEllipsisLocOrErr) | ||||||||
904 | return ToTemplateEllipsisLocOrErr.takeError(); | ||||||||
905 | ToInfo = TemplateArgumentLocInfo( | ||||||||
906 | Importer.getToContext(), *ToTemplateQualifierLocOrErr, | ||||||||
907 | *ToTemplateNameLocOrErr, *ToTemplateEllipsisLocOrErr); | ||||||||
908 | } | ||||||||
909 | |||||||||
910 | return TemplateArgumentLoc(Arg, ToInfo); | ||||||||
911 | } | ||||||||
912 | |||||||||
913 | template <> | ||||||||
914 | Expected<DeclGroupRef> ASTNodeImporter::import(const DeclGroupRef &DG) { | ||||||||
915 | if (DG.isNull()) | ||||||||
916 | return DeclGroupRef::Create(Importer.getToContext(), nullptr, 0); | ||||||||
917 | size_t NumDecls = DG.end() - DG.begin(); | ||||||||
918 | SmallVector<Decl *, 1> ToDecls; | ||||||||
919 | ToDecls.reserve(NumDecls); | ||||||||
920 | for (Decl *FromD : DG) { | ||||||||
921 | if (auto ToDOrErr = import(FromD)) | ||||||||
922 | ToDecls.push_back(*ToDOrErr); | ||||||||
923 | else | ||||||||
924 | return ToDOrErr.takeError(); | ||||||||
925 | } | ||||||||
926 | return DeclGroupRef::Create(Importer.getToContext(), | ||||||||
927 | ToDecls.begin(), | ||||||||
928 | NumDecls); | ||||||||
929 | } | ||||||||
930 | |||||||||
931 | template <> | ||||||||
932 | Expected<ASTNodeImporter::Designator> | ||||||||
933 | ASTNodeImporter::import(const Designator &D) { | ||||||||
934 | if (D.isFieldDesignator()) { | ||||||||
935 | IdentifierInfo *ToFieldName = Importer.Import(D.getFieldName()); | ||||||||
936 | |||||||||
937 | ExpectedSLoc ToDotLocOrErr = import(D.getDotLoc()); | ||||||||
938 | if (!ToDotLocOrErr) | ||||||||
939 | return ToDotLocOrErr.takeError(); | ||||||||
940 | |||||||||
941 | ExpectedSLoc ToFieldLocOrErr = import(D.getFieldLoc()); | ||||||||
942 | if (!ToFieldLocOrErr) | ||||||||
943 | return ToFieldLocOrErr.takeError(); | ||||||||
944 | |||||||||
945 | return Designator(ToFieldName, *ToDotLocOrErr, *ToFieldLocOrErr); | ||||||||
946 | } | ||||||||
947 | |||||||||
948 | ExpectedSLoc ToLBracketLocOrErr = import(D.getLBracketLoc()); | ||||||||
949 | if (!ToLBracketLocOrErr) | ||||||||
950 | return ToLBracketLocOrErr.takeError(); | ||||||||
951 | |||||||||
952 | ExpectedSLoc ToRBracketLocOrErr = import(D.getRBracketLoc()); | ||||||||
953 | if (!ToRBracketLocOrErr) | ||||||||
954 | return ToRBracketLocOrErr.takeError(); | ||||||||
955 | |||||||||
956 | if (D.isArrayDesignator()) | ||||||||
957 | return Designator(D.getFirstExprIndex(), | ||||||||
958 | *ToLBracketLocOrErr, *ToRBracketLocOrErr); | ||||||||
959 | |||||||||
960 | ExpectedSLoc ToEllipsisLocOrErr = import(D.getEllipsisLoc()); | ||||||||
961 | if (!ToEllipsisLocOrErr) | ||||||||
962 | return ToEllipsisLocOrErr.takeError(); | ||||||||
963 | |||||||||
964 | assert(D.isArrayRangeDesignator())(static_cast <bool> (D.isArrayRangeDesignator()) ? void (0) : __assert_fail ("D.isArrayRangeDesignator()", "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 964, __extension__ __PRETTY_FUNCTION__)); | ||||||||
965 | return Designator( | ||||||||
966 | D.getFirstExprIndex(), *ToLBracketLocOrErr, *ToEllipsisLocOrErr, | ||||||||
967 | *ToRBracketLocOrErr); | ||||||||
968 | } | ||||||||
969 | |||||||||
970 | template <> | ||||||||
971 | Expected<LambdaCapture> ASTNodeImporter::import(const LambdaCapture &From) { | ||||||||
972 | VarDecl *Var = nullptr; | ||||||||
973 | if (From.capturesVariable()) { | ||||||||
974 | if (auto VarOrErr = import(From.getCapturedVar())) | ||||||||
975 | Var = *VarOrErr; | ||||||||
976 | else | ||||||||
977 | return VarOrErr.takeError(); | ||||||||
978 | } | ||||||||
979 | |||||||||
980 | auto LocationOrErr = import(From.getLocation()); | ||||||||
981 | if (!LocationOrErr) | ||||||||
982 | return LocationOrErr.takeError(); | ||||||||
983 | |||||||||
984 | SourceLocation EllipsisLoc; | ||||||||
985 | if (From.isPackExpansion()) | ||||||||
986 | if (Error Err = importInto(EllipsisLoc, From.getEllipsisLoc())) | ||||||||
987 | return std::move(Err); | ||||||||
988 | |||||||||
989 | return LambdaCapture( | ||||||||
990 | *LocationOrErr, From.isImplicit(), From.getCaptureKind(), Var, | ||||||||
991 | EllipsisLoc); | ||||||||
992 | } | ||||||||
993 | |||||||||
994 | template <typename T> | ||||||||
995 | bool ASTNodeImporter::hasSameVisibilityContextAndLinkage(T *Found, T *From) { | ||||||||
996 | if (Found->getLinkageInternal() != From->getLinkageInternal()) | ||||||||
997 | return false; | ||||||||
998 | |||||||||
999 | if (From->hasExternalFormalLinkage()) | ||||||||
1000 | return Found->hasExternalFormalLinkage(); | ||||||||
1001 | if (Importer.GetFromTU(Found) != From->getTranslationUnitDecl()) | ||||||||
1002 | return false; | ||||||||
1003 | if (From->isInAnonymousNamespace()) | ||||||||
1004 | return Found->isInAnonymousNamespace(); | ||||||||
1005 | else | ||||||||
1006 | return !Found->isInAnonymousNamespace() && | ||||||||
1007 | !Found->hasExternalFormalLinkage(); | ||||||||
1008 | } | ||||||||
1009 | |||||||||
1010 | template <> | ||||||||
1011 | bool ASTNodeImporter::hasSameVisibilityContextAndLinkage(TypedefNameDecl *Found, | ||||||||
1012 | TypedefNameDecl *From) { | ||||||||
1013 | if (Found->getLinkageInternal() != From->getLinkageInternal()) | ||||||||
1014 | return false; | ||||||||
1015 | |||||||||
1016 | if (From->isInAnonymousNamespace() && Found->isInAnonymousNamespace()) | ||||||||
1017 | return Importer.GetFromTU(Found) == From->getTranslationUnitDecl(); | ||||||||
1018 | return From->isInAnonymousNamespace() == Found->isInAnonymousNamespace(); | ||||||||
1019 | } | ||||||||
1020 | |||||||||
1021 | } // namespace clang | ||||||||
1022 | |||||||||
1023 | //---------------------------------------------------------------------------- | ||||||||
1024 | // Import Types | ||||||||
1025 | //---------------------------------------------------------------------------- | ||||||||
1026 | |||||||||
1027 | using namespace clang; | ||||||||
1028 | |||||||||
1029 | ExpectedType ASTNodeImporter::VisitType(const Type *T) { | ||||||||
1030 | Importer.FromDiag(SourceLocation(), diag::err_unsupported_ast_node) | ||||||||
1031 | << T->getTypeClassName(); | ||||||||
1032 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | ||||||||
1033 | } | ||||||||
1034 | |||||||||
1035 | ExpectedType ASTNodeImporter::VisitAtomicType(const AtomicType *T){ | ||||||||
1036 | ExpectedType UnderlyingTypeOrErr = import(T->getValueType()); | ||||||||
1037 | if (!UnderlyingTypeOrErr) | ||||||||
1038 | return UnderlyingTypeOrErr.takeError(); | ||||||||
1039 | |||||||||
1040 | return Importer.getToContext().getAtomicType(*UnderlyingTypeOrErr); | ||||||||
1041 | } | ||||||||
1042 | |||||||||
1043 | ExpectedType ASTNodeImporter::VisitBuiltinType(const BuiltinType *T) { | ||||||||
1044 | switch (T->getKind()) { | ||||||||
1045 | #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \ | ||||||||
1046 | case BuiltinType::Id: \ | ||||||||
1047 | return Importer.getToContext().SingletonId; | ||||||||
1048 | #include "clang/Basic/OpenCLImageTypes.def" | ||||||||
1049 | #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \ | ||||||||
1050 | case BuiltinType::Id: \ | ||||||||
1051 | return Importer.getToContext().Id##Ty; | ||||||||
1052 | #include "clang/Basic/OpenCLExtensionTypes.def" | ||||||||
1053 | #define SVE_TYPE(Name, Id, SingletonId) \ | ||||||||
1054 | case BuiltinType::Id: \ | ||||||||
1055 | return Importer.getToContext().SingletonId; | ||||||||
1056 | #include "clang/Basic/AArch64SVEACLETypes.def" | ||||||||
1057 | #define PPC_VECTOR_TYPE(Name, Id, Size) \ | ||||||||
1058 | case BuiltinType::Id: \ | ||||||||
1059 | return Importer.getToContext().Id##Ty; | ||||||||
1060 | #include "clang/Basic/PPCTypes.def" | ||||||||
1061 | #define RVV_TYPE(Name, Id, SingletonId) \ | ||||||||
1062 | case BuiltinType::Id: \ | ||||||||
1063 | return Importer.getToContext().SingletonId; | ||||||||
1064 | #include "clang/Basic/RISCVVTypes.def" | ||||||||
1065 | #define SHARED_SINGLETON_TYPE(Expansion) | ||||||||
1066 | #define BUILTIN_TYPE(Id, SingletonId) \ | ||||||||
1067 | case BuiltinType::Id: return Importer.getToContext().SingletonId; | ||||||||
1068 | #include "clang/AST/BuiltinTypes.def" | ||||||||
1069 | |||||||||
1070 | // FIXME: for Char16, Char32, and NullPtr, make sure that the "to" | ||||||||
1071 | // context supports C++. | ||||||||
1072 | |||||||||
1073 | // FIXME: for ObjCId, ObjCClass, and ObjCSel, make sure that the "to" | ||||||||
1074 | // context supports ObjC. | ||||||||
1075 | |||||||||
1076 | case BuiltinType::Char_U: | ||||||||
1077 | // The context we're importing from has an unsigned 'char'. If we're | ||||||||
1078 | // importing into a context with a signed 'char', translate to | ||||||||
1079 | // 'unsigned char' instead. | ||||||||
1080 | if (Importer.getToContext().getLangOpts().CharIsSigned) | ||||||||
1081 | return Importer.getToContext().UnsignedCharTy; | ||||||||
1082 | |||||||||
1083 | return Importer.getToContext().CharTy; | ||||||||
1084 | |||||||||
1085 | case BuiltinType::Char_S: | ||||||||
1086 | // The context we're importing from has an unsigned 'char'. If we're | ||||||||
1087 | // importing into a context with a signed 'char', translate to | ||||||||
1088 | // 'unsigned char' instead. | ||||||||
1089 | if (!Importer.getToContext().getLangOpts().CharIsSigned) | ||||||||
1090 | return Importer.getToContext().SignedCharTy; | ||||||||
1091 | |||||||||
1092 | return Importer.getToContext().CharTy; | ||||||||
1093 | |||||||||
1094 | case BuiltinType::WChar_S: | ||||||||
1095 | case BuiltinType::WChar_U: | ||||||||
1096 | // FIXME: If not in C++, shall we translate to the C equivalent of | ||||||||
1097 | // wchar_t? | ||||||||
1098 | return Importer.getToContext().WCharTy; | ||||||||
1099 | } | ||||||||
1100 | |||||||||
1101 | llvm_unreachable("Invalid BuiltinType Kind!")::llvm::llvm_unreachable_internal("Invalid BuiltinType Kind!" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 1101); | ||||||||
1102 | } | ||||||||
1103 | |||||||||
1104 | ExpectedType ASTNodeImporter::VisitDecayedType(const DecayedType *T) { | ||||||||
1105 | ExpectedType ToOriginalTypeOrErr = import(T->getOriginalType()); | ||||||||
1106 | if (!ToOriginalTypeOrErr) | ||||||||
1107 | return ToOriginalTypeOrErr.takeError(); | ||||||||
1108 | |||||||||
1109 | return Importer.getToContext().getDecayedType(*ToOriginalTypeOrErr); | ||||||||
1110 | } | ||||||||
1111 | |||||||||
1112 | ExpectedType ASTNodeImporter::VisitComplexType(const ComplexType *T) { | ||||||||
1113 | ExpectedType ToElementTypeOrErr = import(T->getElementType()); | ||||||||
1114 | if (!ToElementTypeOrErr) | ||||||||
1115 | return ToElementTypeOrErr.takeError(); | ||||||||
1116 | |||||||||
1117 | return Importer.getToContext().getComplexType(*ToElementTypeOrErr); | ||||||||
1118 | } | ||||||||
1119 | |||||||||
1120 | ExpectedType ASTNodeImporter::VisitPointerType(const PointerType *T) { | ||||||||
1121 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeType()); | ||||||||
1122 | if (!ToPointeeTypeOrErr) | ||||||||
1123 | return ToPointeeTypeOrErr.takeError(); | ||||||||
1124 | |||||||||
1125 | return Importer.getToContext().getPointerType(*ToPointeeTypeOrErr); | ||||||||
1126 | } | ||||||||
1127 | |||||||||
1128 | ExpectedType ASTNodeImporter::VisitBlockPointerType(const BlockPointerType *T) { | ||||||||
1129 | // FIXME: Check for blocks support in "to" context. | ||||||||
1130 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeType()); | ||||||||
1131 | if (!ToPointeeTypeOrErr) | ||||||||
1132 | return ToPointeeTypeOrErr.takeError(); | ||||||||
1133 | |||||||||
1134 | return Importer.getToContext().getBlockPointerType(*ToPointeeTypeOrErr); | ||||||||
1135 | } | ||||||||
1136 | |||||||||
1137 | ExpectedType | ||||||||
1138 | ASTNodeImporter::VisitLValueReferenceType(const LValueReferenceType *T) { | ||||||||
1139 | // FIXME: Check for C++ support in "to" context. | ||||||||
1140 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeTypeAsWritten()); | ||||||||
1141 | if (!ToPointeeTypeOrErr) | ||||||||
1142 | return ToPointeeTypeOrErr.takeError(); | ||||||||
1143 | |||||||||
1144 | return Importer.getToContext().getLValueReferenceType(*ToPointeeTypeOrErr); | ||||||||
1145 | } | ||||||||
1146 | |||||||||
1147 | ExpectedType | ||||||||
1148 | ASTNodeImporter::VisitRValueReferenceType(const RValueReferenceType *T) { | ||||||||
1149 | // FIXME: Check for C++0x support in "to" context. | ||||||||
1150 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeTypeAsWritten()); | ||||||||
1151 | if (!ToPointeeTypeOrErr) | ||||||||
1152 | return ToPointeeTypeOrErr.takeError(); | ||||||||
1153 | |||||||||
1154 | return Importer.getToContext().getRValueReferenceType(*ToPointeeTypeOrErr); | ||||||||
1155 | } | ||||||||
1156 | |||||||||
1157 | ExpectedType | ||||||||
1158 | ASTNodeImporter::VisitMemberPointerType(const MemberPointerType *T) { | ||||||||
1159 | // FIXME: Check for C++ support in "to" context. | ||||||||
1160 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeType()); | ||||||||
1161 | if (!ToPointeeTypeOrErr) | ||||||||
1162 | return ToPointeeTypeOrErr.takeError(); | ||||||||
1163 | |||||||||
1164 | ExpectedType ClassTypeOrErr = import(QualType(T->getClass(), 0)); | ||||||||
1165 | if (!ClassTypeOrErr) | ||||||||
1166 | return ClassTypeOrErr.takeError(); | ||||||||
1167 | |||||||||
1168 | return Importer.getToContext().getMemberPointerType( | ||||||||
1169 | *ToPointeeTypeOrErr, (*ClassTypeOrErr).getTypePtr()); | ||||||||
1170 | } | ||||||||
1171 | |||||||||
1172 | ExpectedType | ||||||||
1173 | ASTNodeImporter::VisitConstantArrayType(const ConstantArrayType *T) { | ||||||||
1174 | Error Err = Error::success(); | ||||||||
1175 | auto ToElementType = importChecked(Err, T->getElementType()); | ||||||||
1176 | auto ToSizeExpr = importChecked(Err, T->getSizeExpr()); | ||||||||
1177 | if (Err) | ||||||||
1178 | return std::move(Err); | ||||||||
1179 | |||||||||
1180 | return Importer.getToContext().getConstantArrayType( | ||||||||
1181 | ToElementType, T->getSize(), ToSizeExpr, T->getSizeModifier(), | ||||||||
1182 | T->getIndexTypeCVRQualifiers()); | ||||||||
1183 | } | ||||||||
1184 | |||||||||
1185 | ExpectedType | ||||||||
1186 | ASTNodeImporter::VisitIncompleteArrayType(const IncompleteArrayType *T) { | ||||||||
1187 | ExpectedType ToElementTypeOrErr = import(T->getElementType()); | ||||||||
1188 | if (!ToElementTypeOrErr) | ||||||||
1189 | return ToElementTypeOrErr.takeError(); | ||||||||
1190 | |||||||||
1191 | return Importer.getToContext().getIncompleteArrayType(*ToElementTypeOrErr, | ||||||||
1192 | T->getSizeModifier(), | ||||||||
1193 | T->getIndexTypeCVRQualifiers()); | ||||||||
1194 | } | ||||||||
1195 | |||||||||
1196 | ExpectedType | ||||||||
1197 | ASTNodeImporter::VisitVariableArrayType(const VariableArrayType *T) { | ||||||||
1198 | Error Err = Error::success(); | ||||||||
1199 | QualType ToElementType = importChecked(Err, T->getElementType()); | ||||||||
1200 | Expr *ToSizeExpr = importChecked(Err, T->getSizeExpr()); | ||||||||
1201 | SourceRange ToBracketsRange = importChecked(Err, T->getBracketsRange()); | ||||||||
1202 | if (Err) | ||||||||
1203 | return std::move(Err); | ||||||||
1204 | return Importer.getToContext().getVariableArrayType( | ||||||||
1205 | ToElementType, ToSizeExpr, T->getSizeModifier(), | ||||||||
1206 | T->getIndexTypeCVRQualifiers(), ToBracketsRange); | ||||||||
1207 | } | ||||||||
1208 | |||||||||
1209 | ExpectedType ASTNodeImporter::VisitDependentSizedArrayType( | ||||||||
1210 | const DependentSizedArrayType *T) { | ||||||||
1211 | Error Err = Error::success(); | ||||||||
1212 | QualType ToElementType = importChecked(Err, T->getElementType()); | ||||||||
1213 | Expr *ToSizeExpr = importChecked(Err, T->getSizeExpr()); | ||||||||
1214 | SourceRange ToBracketsRange = importChecked(Err, T->getBracketsRange()); | ||||||||
1215 | if (Err) | ||||||||
1216 | return std::move(Err); | ||||||||
1217 | // SizeExpr may be null if size is not specified directly. | ||||||||
1218 | // For example, 'int a[]'. | ||||||||
1219 | |||||||||
1220 | return Importer.getToContext().getDependentSizedArrayType( | ||||||||
1221 | ToElementType, ToSizeExpr, T->getSizeModifier(), | ||||||||
1222 | T->getIndexTypeCVRQualifiers(), ToBracketsRange); | ||||||||
1223 | } | ||||||||
1224 | |||||||||
1225 | ExpectedType ASTNodeImporter::VisitVectorType(const VectorType *T) { | ||||||||
1226 | ExpectedType ToElementTypeOrErr = import(T->getElementType()); | ||||||||
1227 | if (!ToElementTypeOrErr) | ||||||||
1228 | return ToElementTypeOrErr.takeError(); | ||||||||
1229 | |||||||||
1230 | return Importer.getToContext().getVectorType(*ToElementTypeOrErr, | ||||||||
1231 | T->getNumElements(), | ||||||||
1232 | T->getVectorKind()); | ||||||||
1233 | } | ||||||||
1234 | |||||||||
1235 | ExpectedType ASTNodeImporter::VisitExtVectorType(const ExtVectorType *T) { | ||||||||
1236 | ExpectedType ToElementTypeOrErr = import(T->getElementType()); | ||||||||
1237 | if (!ToElementTypeOrErr) | ||||||||
1238 | return ToElementTypeOrErr.takeError(); | ||||||||
1239 | |||||||||
1240 | return Importer.getToContext().getExtVectorType(*ToElementTypeOrErr, | ||||||||
1241 | T->getNumElements()); | ||||||||
1242 | } | ||||||||
1243 | |||||||||
1244 | ExpectedType | ||||||||
1245 | ASTNodeImporter::VisitFunctionNoProtoType(const FunctionNoProtoType *T) { | ||||||||
1246 | // FIXME: What happens if we're importing a function without a prototype | ||||||||
1247 | // into C++? Should we make it variadic? | ||||||||
1248 | ExpectedType ToReturnTypeOrErr = import(T->getReturnType()); | ||||||||
1249 | if (!ToReturnTypeOrErr) | ||||||||
1250 | return ToReturnTypeOrErr.takeError(); | ||||||||
1251 | |||||||||
1252 | return Importer.getToContext().getFunctionNoProtoType(*ToReturnTypeOrErr, | ||||||||
1253 | T->getExtInfo()); | ||||||||
1254 | } | ||||||||
1255 | |||||||||
1256 | ExpectedType | ||||||||
1257 | ASTNodeImporter::VisitFunctionProtoType(const FunctionProtoType *T) { | ||||||||
1258 | ExpectedType ToReturnTypeOrErr = import(T->getReturnType()); | ||||||||
1259 | if (!ToReturnTypeOrErr) | ||||||||
1260 | return ToReturnTypeOrErr.takeError(); | ||||||||
1261 | |||||||||
1262 | // Import argument types | ||||||||
1263 | SmallVector<QualType, 4> ArgTypes; | ||||||||
1264 | for (const auto &A : T->param_types()) { | ||||||||
1265 | ExpectedType TyOrErr = import(A); | ||||||||
1266 | if (!TyOrErr) | ||||||||
1267 | return TyOrErr.takeError(); | ||||||||
1268 | ArgTypes.push_back(*TyOrErr); | ||||||||
1269 | } | ||||||||
1270 | |||||||||
1271 | // Import exception types | ||||||||
1272 | SmallVector<QualType, 4> ExceptionTypes; | ||||||||
1273 | for (const auto &E : T->exceptions()) { | ||||||||
1274 | ExpectedType TyOrErr = import(E); | ||||||||
1275 | if (!TyOrErr) | ||||||||
1276 | return TyOrErr.takeError(); | ||||||||
1277 | ExceptionTypes.push_back(*TyOrErr); | ||||||||
1278 | } | ||||||||
1279 | |||||||||
1280 | FunctionProtoType::ExtProtoInfo FromEPI = T->getExtProtoInfo(); | ||||||||
1281 | Error Err = Error::success(); | ||||||||
1282 | FunctionProtoType::ExtProtoInfo ToEPI; | ||||||||
1283 | ToEPI.ExtInfo = FromEPI.ExtInfo; | ||||||||
1284 | ToEPI.Variadic = FromEPI.Variadic; | ||||||||
1285 | ToEPI.HasTrailingReturn = FromEPI.HasTrailingReturn; | ||||||||
1286 | ToEPI.TypeQuals = FromEPI.TypeQuals; | ||||||||
1287 | ToEPI.RefQualifier = FromEPI.RefQualifier; | ||||||||
1288 | ToEPI.ExceptionSpec.Type = FromEPI.ExceptionSpec.Type; | ||||||||
1289 | ToEPI.ExceptionSpec.NoexceptExpr = | ||||||||
1290 | importChecked(Err, FromEPI.ExceptionSpec.NoexceptExpr); | ||||||||
1291 | ToEPI.ExceptionSpec.SourceDecl = | ||||||||
1292 | importChecked(Err, FromEPI.ExceptionSpec.SourceDecl); | ||||||||
1293 | ToEPI.ExceptionSpec.SourceTemplate = | ||||||||
1294 | importChecked(Err, FromEPI.ExceptionSpec.SourceTemplate); | ||||||||
1295 | ToEPI.ExceptionSpec.Exceptions = ExceptionTypes; | ||||||||
1296 | |||||||||
1297 | if (Err) | ||||||||
1298 | return std::move(Err); | ||||||||
1299 | |||||||||
1300 | return Importer.getToContext().getFunctionType( | ||||||||
1301 | *ToReturnTypeOrErr, ArgTypes, ToEPI); | ||||||||
1302 | } | ||||||||
1303 | |||||||||
1304 | ExpectedType ASTNodeImporter::VisitUnresolvedUsingType( | ||||||||
1305 | const UnresolvedUsingType *T) { | ||||||||
1306 | Error Err = Error::success(); | ||||||||
1307 | auto ToD = importChecked(Err, T->getDecl()); | ||||||||
1308 | auto ToPrevD = importChecked(Err, T->getDecl()->getPreviousDecl()); | ||||||||
1309 | if (Err) | ||||||||
1310 | return std::move(Err); | ||||||||
1311 | |||||||||
1312 | return Importer.getToContext().getTypeDeclType( | ||||||||
1313 | ToD, cast_or_null<TypeDecl>(ToPrevD)); | ||||||||
1314 | } | ||||||||
1315 | |||||||||
1316 | ExpectedType ASTNodeImporter::VisitParenType(const ParenType *T) { | ||||||||
1317 | ExpectedType ToInnerTypeOrErr = import(T->getInnerType()); | ||||||||
1318 | if (!ToInnerTypeOrErr) | ||||||||
1319 | return ToInnerTypeOrErr.takeError(); | ||||||||
1320 | |||||||||
1321 | return Importer.getToContext().getParenType(*ToInnerTypeOrErr); | ||||||||
1322 | } | ||||||||
1323 | |||||||||
1324 | ExpectedType ASTNodeImporter::VisitTypedefType(const TypedefType *T) { | ||||||||
1325 | Expected<TypedefNameDecl *> ToDeclOrErr = import(T->getDecl()); | ||||||||
1326 | if (!ToDeclOrErr) | ||||||||
1327 | return ToDeclOrErr.takeError(); | ||||||||
1328 | |||||||||
1329 | return Importer.getToContext().getTypeDeclType(*ToDeclOrErr); | ||||||||
1330 | } | ||||||||
1331 | |||||||||
1332 | ExpectedType ASTNodeImporter::VisitTypeOfExprType(const TypeOfExprType *T) { | ||||||||
1333 | ExpectedExpr ToExprOrErr = import(T->getUnderlyingExpr()); | ||||||||
1334 | if (!ToExprOrErr) | ||||||||
1335 | return ToExprOrErr.takeError(); | ||||||||
1336 | |||||||||
1337 | return Importer.getToContext().getTypeOfExprType(*ToExprOrErr); | ||||||||
1338 | } | ||||||||
1339 | |||||||||
1340 | ExpectedType ASTNodeImporter::VisitTypeOfType(const TypeOfType *T) { | ||||||||
1341 | ExpectedType ToUnderlyingTypeOrErr = import(T->getUnderlyingType()); | ||||||||
1342 | if (!ToUnderlyingTypeOrErr) | ||||||||
1343 | return ToUnderlyingTypeOrErr.takeError(); | ||||||||
1344 | |||||||||
1345 | return Importer.getToContext().getTypeOfType(*ToUnderlyingTypeOrErr); | ||||||||
1346 | } | ||||||||
1347 | |||||||||
1348 | ExpectedType ASTNodeImporter::VisitDecltypeType(const DecltypeType *T) { | ||||||||
1349 | // FIXME: Make sure that the "to" context supports C++0x! | ||||||||
1350 | ExpectedExpr ToExprOrErr = import(T->getUnderlyingExpr()); | ||||||||
1351 | if (!ToExprOrErr) | ||||||||
1352 | return ToExprOrErr.takeError(); | ||||||||
1353 | |||||||||
1354 | ExpectedType ToUnderlyingTypeOrErr = import(T->getUnderlyingType()); | ||||||||
1355 | if (!ToUnderlyingTypeOrErr) | ||||||||
1356 | return ToUnderlyingTypeOrErr.takeError(); | ||||||||
1357 | |||||||||
1358 | return Importer.getToContext().getDecltypeType( | ||||||||
1359 | *ToExprOrErr, *ToUnderlyingTypeOrErr); | ||||||||
1360 | } | ||||||||
1361 | |||||||||
1362 | ExpectedType | ||||||||
1363 | ASTNodeImporter::VisitUnaryTransformType(const UnaryTransformType *T) { | ||||||||
1364 | ExpectedType ToBaseTypeOrErr = import(T->getBaseType()); | ||||||||
1365 | if (!ToBaseTypeOrErr) | ||||||||
1366 | return ToBaseTypeOrErr.takeError(); | ||||||||
1367 | |||||||||
1368 | ExpectedType ToUnderlyingTypeOrErr = import(T->getUnderlyingType()); | ||||||||
1369 | if (!ToUnderlyingTypeOrErr) | ||||||||
1370 | return ToUnderlyingTypeOrErr.takeError(); | ||||||||
1371 | |||||||||
1372 | return Importer.getToContext().getUnaryTransformType( | ||||||||
1373 | *ToBaseTypeOrErr, *ToUnderlyingTypeOrErr, T->getUTTKind()); | ||||||||
1374 | } | ||||||||
1375 | |||||||||
1376 | ExpectedType ASTNodeImporter::VisitAutoType(const AutoType *T) { | ||||||||
1377 | // FIXME: Make sure that the "to" context supports C++11! | ||||||||
1378 | ExpectedType ToDeducedTypeOrErr = import(T->getDeducedType()); | ||||||||
1379 | if (!ToDeducedTypeOrErr) | ||||||||
1380 | return ToDeducedTypeOrErr.takeError(); | ||||||||
1381 | |||||||||
1382 | ExpectedDecl ToTypeConstraintConcept = import(T->getTypeConstraintConcept()); | ||||||||
1383 | if (!ToTypeConstraintConcept) | ||||||||
1384 | return ToTypeConstraintConcept.takeError(); | ||||||||
1385 | |||||||||
1386 | SmallVector<TemplateArgument, 2> ToTemplateArgs; | ||||||||
1387 | ArrayRef<TemplateArgument> FromTemplateArgs = T->getTypeConstraintArguments(); | ||||||||
1388 | if (Error Err = ImportTemplateArguments(FromTemplateArgs.data(), | ||||||||
1389 | FromTemplateArgs.size(), | ||||||||
1390 | ToTemplateArgs)) | ||||||||
1391 | return std::move(Err); | ||||||||
1392 | |||||||||
1393 | return Importer.getToContext().getAutoType( | ||||||||
1394 | *ToDeducedTypeOrErr, T->getKeyword(), /*IsDependent*/false, | ||||||||
1395 | /*IsPack=*/false, cast_or_null<ConceptDecl>(*ToTypeConstraintConcept), | ||||||||
1396 | ToTemplateArgs); | ||||||||
1397 | } | ||||||||
1398 | |||||||||
1399 | ExpectedType ASTNodeImporter::VisitDeducedTemplateSpecializationType( | ||||||||
1400 | const DeducedTemplateSpecializationType *T) { | ||||||||
1401 | // FIXME: Make sure that the "to" context supports C++17! | ||||||||
1402 | Expected<TemplateName> ToTemplateNameOrErr = import(T->getTemplateName()); | ||||||||
1403 | if (!ToTemplateNameOrErr) | ||||||||
1404 | return ToTemplateNameOrErr.takeError(); | ||||||||
1405 | ExpectedType ToDeducedTypeOrErr = import(T->getDeducedType()); | ||||||||
1406 | if (!ToDeducedTypeOrErr) | ||||||||
1407 | return ToDeducedTypeOrErr.takeError(); | ||||||||
1408 | |||||||||
1409 | return Importer.getToContext().getDeducedTemplateSpecializationType( | ||||||||
1410 | *ToTemplateNameOrErr, *ToDeducedTypeOrErr, T->isDependentType()); | ||||||||
1411 | } | ||||||||
1412 | |||||||||
1413 | ExpectedType ASTNodeImporter::VisitInjectedClassNameType( | ||||||||
1414 | const InjectedClassNameType *T) { | ||||||||
1415 | Expected<CXXRecordDecl *> ToDeclOrErr = import(T->getDecl()); | ||||||||
1416 | if (!ToDeclOrErr) | ||||||||
1417 | return ToDeclOrErr.takeError(); | ||||||||
1418 | |||||||||
1419 | ExpectedType ToInjTypeOrErr = import(T->getInjectedSpecializationType()); | ||||||||
1420 | if (!ToInjTypeOrErr) | ||||||||
1421 | return ToInjTypeOrErr.takeError(); | ||||||||
1422 | |||||||||
1423 | // FIXME: ASTContext::getInjectedClassNameType is not suitable for AST reading | ||||||||
1424 | // See comments in InjectedClassNameType definition for details | ||||||||
1425 | // return Importer.getToContext().getInjectedClassNameType(D, InjType); | ||||||||
1426 | enum { | ||||||||
1427 | TypeAlignmentInBits = 4, | ||||||||
1428 | TypeAlignment = 1 << TypeAlignmentInBits | ||||||||
1429 | }; | ||||||||
1430 | |||||||||
1431 | return QualType(new (Importer.getToContext(), TypeAlignment) | ||||||||
1432 | InjectedClassNameType(*ToDeclOrErr, *ToInjTypeOrErr), 0); | ||||||||
1433 | } | ||||||||
1434 | |||||||||
1435 | ExpectedType ASTNodeImporter::VisitRecordType(const RecordType *T) { | ||||||||
1436 | Expected<RecordDecl *> ToDeclOrErr = import(T->getDecl()); | ||||||||
1437 | if (!ToDeclOrErr) | ||||||||
1438 | return ToDeclOrErr.takeError(); | ||||||||
1439 | |||||||||
1440 | return Importer.getToContext().getTagDeclType(*ToDeclOrErr); | ||||||||
1441 | } | ||||||||
1442 | |||||||||
1443 | ExpectedType ASTNodeImporter::VisitEnumType(const EnumType *T) { | ||||||||
1444 | Expected<EnumDecl *> ToDeclOrErr = import(T->getDecl()); | ||||||||
1445 | if (!ToDeclOrErr) | ||||||||
1446 | return ToDeclOrErr.takeError(); | ||||||||
1447 | |||||||||
1448 | return Importer.getToContext().getTagDeclType(*ToDeclOrErr); | ||||||||
1449 | } | ||||||||
1450 | |||||||||
1451 | ExpectedType ASTNodeImporter::VisitAttributedType(const AttributedType *T) { | ||||||||
1452 | ExpectedType ToModifiedTypeOrErr = import(T->getModifiedType()); | ||||||||
1453 | if (!ToModifiedTypeOrErr) | ||||||||
1454 | return ToModifiedTypeOrErr.takeError(); | ||||||||
1455 | ExpectedType ToEquivalentTypeOrErr = import(T->getEquivalentType()); | ||||||||
1456 | if (!ToEquivalentTypeOrErr) | ||||||||
1457 | return ToEquivalentTypeOrErr.takeError(); | ||||||||
1458 | |||||||||
1459 | return Importer.getToContext().getAttributedType(T->getAttrKind(), | ||||||||
1460 | *ToModifiedTypeOrErr, *ToEquivalentTypeOrErr); | ||||||||
1461 | } | ||||||||
1462 | |||||||||
1463 | ExpectedType ASTNodeImporter::VisitTemplateTypeParmType( | ||||||||
1464 | const TemplateTypeParmType *T) { | ||||||||
1465 | Expected<TemplateTypeParmDecl *> ToDeclOrErr = import(T->getDecl()); | ||||||||
1466 | if (!ToDeclOrErr) | ||||||||
1467 | return ToDeclOrErr.takeError(); | ||||||||
1468 | |||||||||
1469 | return Importer.getToContext().getTemplateTypeParmType( | ||||||||
1470 | T->getDepth(), T->getIndex(), T->isParameterPack(), *ToDeclOrErr); | ||||||||
1471 | } | ||||||||
1472 | |||||||||
1473 | ExpectedType ASTNodeImporter::VisitSubstTemplateTypeParmType( | ||||||||
1474 | const SubstTemplateTypeParmType *T) { | ||||||||
1475 | ExpectedType ReplacedOrErr = import(QualType(T->getReplacedParameter(), 0)); | ||||||||
1476 | if (!ReplacedOrErr) | ||||||||
1477 | return ReplacedOrErr.takeError(); | ||||||||
1478 | const TemplateTypeParmType *Replaced = | ||||||||
1479 | cast<TemplateTypeParmType>((*ReplacedOrErr).getTypePtr()); | ||||||||
1480 | |||||||||
1481 | ExpectedType ToReplacementTypeOrErr = import(T->getReplacementType()); | ||||||||
1482 | if (!ToReplacementTypeOrErr) | ||||||||
1483 | return ToReplacementTypeOrErr.takeError(); | ||||||||
1484 | |||||||||
1485 | return Importer.getToContext().getSubstTemplateTypeParmType( | ||||||||
1486 | Replaced, (*ToReplacementTypeOrErr).getCanonicalType()); | ||||||||
1487 | } | ||||||||
1488 | |||||||||
1489 | ExpectedType ASTNodeImporter::VisitTemplateSpecializationType( | ||||||||
1490 | const TemplateSpecializationType *T) { | ||||||||
1491 | auto ToTemplateOrErr = import(T->getTemplateName()); | ||||||||
1492 | if (!ToTemplateOrErr) | ||||||||
1493 | return ToTemplateOrErr.takeError(); | ||||||||
1494 | |||||||||
1495 | SmallVector<TemplateArgument, 2> ToTemplateArgs; | ||||||||
1496 | if (Error Err = ImportTemplateArguments( | ||||||||
1497 | T->getArgs(), T->getNumArgs(), ToTemplateArgs)) | ||||||||
1498 | return std::move(Err); | ||||||||
1499 | |||||||||
1500 | QualType ToCanonType; | ||||||||
1501 | if (!QualType(T, 0).isCanonical()) { | ||||||||
1502 | QualType FromCanonType | ||||||||
1503 | = Importer.getFromContext().getCanonicalType(QualType(T, 0)); | ||||||||
1504 | if (ExpectedType TyOrErr = import(FromCanonType)) | ||||||||
1505 | ToCanonType = *TyOrErr; | ||||||||
1506 | else | ||||||||
1507 | return TyOrErr.takeError(); | ||||||||
1508 | } | ||||||||
1509 | return Importer.getToContext().getTemplateSpecializationType(*ToTemplateOrErr, | ||||||||
1510 | ToTemplateArgs, | ||||||||
1511 | ToCanonType); | ||||||||
1512 | } | ||||||||
1513 | |||||||||
1514 | ExpectedType ASTNodeImporter::VisitElaboratedType(const ElaboratedType *T) { | ||||||||
1515 | // Note: the qualifier in an ElaboratedType is optional. | ||||||||
1516 | auto ToQualifierOrErr = import(T->getQualifier()); | ||||||||
1517 | if (!ToQualifierOrErr) | ||||||||
1518 | return ToQualifierOrErr.takeError(); | ||||||||
1519 | |||||||||
1520 | ExpectedType ToNamedTypeOrErr = import(T->getNamedType()); | ||||||||
1521 | if (!ToNamedTypeOrErr) | ||||||||
1522 | return ToNamedTypeOrErr.takeError(); | ||||||||
1523 | |||||||||
1524 | Expected<TagDecl *> ToOwnedTagDeclOrErr = import(T->getOwnedTagDecl()); | ||||||||
1525 | if (!ToOwnedTagDeclOrErr) | ||||||||
1526 | return ToOwnedTagDeclOrErr.takeError(); | ||||||||
1527 | |||||||||
1528 | return Importer.getToContext().getElaboratedType(T->getKeyword(), | ||||||||
1529 | *ToQualifierOrErr, | ||||||||
1530 | *ToNamedTypeOrErr, | ||||||||
1531 | *ToOwnedTagDeclOrErr); | ||||||||
1532 | } | ||||||||
1533 | |||||||||
1534 | ExpectedType | ||||||||
1535 | ASTNodeImporter::VisitPackExpansionType(const PackExpansionType *T) { | ||||||||
1536 | ExpectedType ToPatternOrErr = import(T->getPattern()); | ||||||||
1537 | if (!ToPatternOrErr) | ||||||||
1538 | return ToPatternOrErr.takeError(); | ||||||||
1539 | |||||||||
1540 | return Importer.getToContext().getPackExpansionType(*ToPatternOrErr, | ||||||||
1541 | T->getNumExpansions(), | ||||||||
1542 | /*ExpactPack=*/false); | ||||||||
1543 | } | ||||||||
1544 | |||||||||
1545 | ExpectedType ASTNodeImporter::VisitDependentTemplateSpecializationType( | ||||||||
1546 | const DependentTemplateSpecializationType *T) { | ||||||||
1547 | auto ToQualifierOrErr = import(T->getQualifier()); | ||||||||
1548 | if (!ToQualifierOrErr) | ||||||||
1549 | return ToQualifierOrErr.takeError(); | ||||||||
1550 | |||||||||
1551 | IdentifierInfo *ToName = Importer.Import(T->getIdentifier()); | ||||||||
1552 | |||||||||
1553 | SmallVector<TemplateArgument, 2> ToPack; | ||||||||
1554 | ToPack.reserve(T->getNumArgs()); | ||||||||
1555 | if (Error Err = ImportTemplateArguments( | ||||||||
1556 | T->getArgs(), T->getNumArgs(), ToPack)) | ||||||||
1557 | return std::move(Err); | ||||||||
1558 | |||||||||
1559 | return Importer.getToContext().getDependentTemplateSpecializationType( | ||||||||
1560 | T->getKeyword(), *ToQualifierOrErr, ToName, ToPack); | ||||||||
1561 | } | ||||||||
1562 | |||||||||
1563 | ExpectedType | ||||||||
1564 | ASTNodeImporter::VisitDependentNameType(const DependentNameType *T) { | ||||||||
1565 | auto ToQualifierOrErr = import(T->getQualifier()); | ||||||||
1566 | if (!ToQualifierOrErr) | ||||||||
1567 | return ToQualifierOrErr.takeError(); | ||||||||
1568 | |||||||||
1569 | IdentifierInfo *Name = Importer.Import(T->getIdentifier()); | ||||||||
1570 | |||||||||
1571 | QualType Canon; | ||||||||
1572 | if (T != T->getCanonicalTypeInternal().getTypePtr()) { | ||||||||
1573 | if (ExpectedType TyOrErr = import(T->getCanonicalTypeInternal())) | ||||||||
1574 | Canon = (*TyOrErr).getCanonicalType(); | ||||||||
1575 | else | ||||||||
1576 | return TyOrErr.takeError(); | ||||||||
1577 | } | ||||||||
1578 | |||||||||
1579 | return Importer.getToContext().getDependentNameType(T->getKeyword(), | ||||||||
1580 | *ToQualifierOrErr, | ||||||||
1581 | Name, Canon); | ||||||||
1582 | } | ||||||||
1583 | |||||||||
1584 | ExpectedType | ||||||||
1585 | ASTNodeImporter::VisitObjCInterfaceType(const ObjCInterfaceType *T) { | ||||||||
1586 | Expected<ObjCInterfaceDecl *> ToDeclOrErr = import(T->getDecl()); | ||||||||
1587 | if (!ToDeclOrErr) | ||||||||
1588 | return ToDeclOrErr.takeError(); | ||||||||
1589 | |||||||||
1590 | return Importer.getToContext().getObjCInterfaceType(*ToDeclOrErr); | ||||||||
1591 | } | ||||||||
1592 | |||||||||
1593 | ExpectedType ASTNodeImporter::VisitObjCObjectType(const ObjCObjectType *T) { | ||||||||
1594 | ExpectedType ToBaseTypeOrErr = import(T->getBaseType()); | ||||||||
1595 | if (!ToBaseTypeOrErr) | ||||||||
1596 | return ToBaseTypeOrErr.takeError(); | ||||||||
1597 | |||||||||
1598 | SmallVector<QualType, 4> TypeArgs; | ||||||||
1599 | for (auto TypeArg : T->getTypeArgsAsWritten()) { | ||||||||
1600 | if (ExpectedType TyOrErr = import(TypeArg)) | ||||||||
1601 | TypeArgs.push_back(*TyOrErr); | ||||||||
1602 | else | ||||||||
1603 | return TyOrErr.takeError(); | ||||||||
1604 | } | ||||||||
1605 | |||||||||
1606 | SmallVector<ObjCProtocolDecl *, 4> Protocols; | ||||||||
1607 | for (auto *P : T->quals()) { | ||||||||
1608 | if (Expected<ObjCProtocolDecl *> ProtocolOrErr = import(P)) | ||||||||
1609 | Protocols.push_back(*ProtocolOrErr); | ||||||||
1610 | else | ||||||||
1611 | return ProtocolOrErr.takeError(); | ||||||||
1612 | |||||||||
1613 | } | ||||||||
1614 | |||||||||
1615 | return Importer.getToContext().getObjCObjectType(*ToBaseTypeOrErr, TypeArgs, | ||||||||
1616 | Protocols, | ||||||||
1617 | T->isKindOfTypeAsWritten()); | ||||||||
1618 | } | ||||||||
1619 | |||||||||
1620 | ExpectedType | ||||||||
1621 | ASTNodeImporter::VisitObjCObjectPointerType(const ObjCObjectPointerType *T) { | ||||||||
1622 | ExpectedType ToPointeeTypeOrErr = import(T->getPointeeType()); | ||||||||
1623 | if (!ToPointeeTypeOrErr) | ||||||||
1624 | return ToPointeeTypeOrErr.takeError(); | ||||||||
1625 | |||||||||
1626 | return Importer.getToContext().getObjCObjectPointerType(*ToPointeeTypeOrErr); | ||||||||
1627 | } | ||||||||
1628 | |||||||||
1629 | //---------------------------------------------------------------------------- | ||||||||
1630 | // Import Declarations | ||||||||
1631 | //---------------------------------------------------------------------------- | ||||||||
1632 | Error ASTNodeImporter::ImportDeclParts( | ||||||||
1633 | NamedDecl *D, DeclContext *&DC, DeclContext *&LexicalDC, | ||||||||
1634 | DeclarationName &Name, NamedDecl *&ToD, SourceLocation &Loc) { | ||||||||
1635 | // Check if RecordDecl is in FunctionDecl parameters to avoid infinite loop. | ||||||||
1636 | // example: int struct_in_proto(struct data_t{int a;int b;} *d); | ||||||||
1637 | // FIXME: We could support these constructs by importing a different type of | ||||||||
1638 | // this parameter and by importing the original type of the parameter only | ||||||||
1639 | // after the FunctionDecl is created. See | ||||||||
1640 | // VisitFunctionDecl::UsedDifferentProtoType. | ||||||||
1641 | DeclContext *OrigDC = D->getDeclContext(); | ||||||||
1642 | FunctionDecl *FunDecl; | ||||||||
1643 | if (isa<RecordDecl>(D) && (FunDecl = dyn_cast<FunctionDecl>(OrigDC)) && | ||||||||
1644 | FunDecl->hasBody()) { | ||||||||
1645 | auto getLeafPointeeType = [](const Type *T) { | ||||||||
1646 | while (T->isPointerType() || T->isArrayType()) { | ||||||||
1647 | T = T->getPointeeOrArrayElementType(); | ||||||||
1648 | } | ||||||||
1649 | return T; | ||||||||
1650 | }; | ||||||||
1651 | for (const ParmVarDecl *P : FunDecl->parameters()) { | ||||||||
1652 | const Type *LeafT = | ||||||||
1653 | getLeafPointeeType(P->getType().getCanonicalType().getTypePtr()); | ||||||||
1654 | auto *RT = dyn_cast<RecordType>(LeafT); | ||||||||
1655 | if (RT && RT->getDecl() == D) { | ||||||||
1656 | Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node) | ||||||||
1657 | << D->getDeclKindName(); | ||||||||
1658 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | ||||||||
1659 | } | ||||||||
1660 | } | ||||||||
1661 | } | ||||||||
1662 | |||||||||
1663 | // Import the context of this declaration. | ||||||||
1664 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | ||||||||
1665 | return Err; | ||||||||
1666 | |||||||||
1667 | // Import the name of this declaration. | ||||||||
1668 | if (Error Err = importInto(Name, D->getDeclName())) | ||||||||
1669 | return Err; | ||||||||
1670 | |||||||||
1671 | // Import the location of this declaration. | ||||||||
1672 | if (Error Err = importInto(Loc, D->getLocation())) | ||||||||
1673 | return Err; | ||||||||
1674 | |||||||||
1675 | ToD = cast_or_null<NamedDecl>(Importer.GetAlreadyImportedOrNull(D)); | ||||||||
1676 | if (ToD) | ||||||||
1677 | if (Error Err = ASTNodeImporter(*this).ImportDefinitionIfNeeded(D, ToD)) | ||||||||
1678 | return Err; | ||||||||
1679 | |||||||||
1680 | return Error::success(); | ||||||||
1681 | } | ||||||||
1682 | |||||||||
1683 | Error ASTNodeImporter::ImportDeclParts(NamedDecl *D, DeclarationName &Name, | ||||||||
1684 | NamedDecl *&ToD, SourceLocation &Loc) { | ||||||||
1685 | |||||||||
1686 | // Import the name of this declaration. | ||||||||
1687 | if (Error Err = importInto(Name, D->getDeclName())) | ||||||||
1688 | return Err; | ||||||||
1689 | |||||||||
1690 | // Import the location of this declaration. | ||||||||
1691 | if (Error Err = importInto(Loc, D->getLocation())) | ||||||||
1692 | return Err; | ||||||||
1693 | |||||||||
1694 | ToD = cast_or_null<NamedDecl>(Importer.GetAlreadyImportedOrNull(D)); | ||||||||
1695 | if (ToD) | ||||||||
1696 | if (Error Err = ASTNodeImporter(*this).ImportDefinitionIfNeeded(D, ToD)) | ||||||||
1697 | return Err; | ||||||||
1698 | |||||||||
1699 | return Error::success(); | ||||||||
1700 | } | ||||||||
1701 | |||||||||
1702 | Error ASTNodeImporter::ImportDefinitionIfNeeded(Decl *FromD, Decl *ToD) { | ||||||||
1703 | if (!FromD) | ||||||||
1704 | return Error::success(); | ||||||||
1705 | |||||||||
1706 | if (!ToD) | ||||||||
1707 | if (Error Err = importInto(ToD, FromD)) | ||||||||
1708 | return Err; | ||||||||
1709 | |||||||||
1710 | if (RecordDecl *FromRecord = dyn_cast<RecordDecl>(FromD)) { | ||||||||
1711 | if (RecordDecl *ToRecord = cast<RecordDecl>(ToD)) { | ||||||||
1712 | if (FromRecord->getDefinition() && FromRecord->isCompleteDefinition() && | ||||||||
1713 | !ToRecord->getDefinition()) { | ||||||||
1714 | if (Error Err = ImportDefinition(FromRecord, ToRecord)) | ||||||||
1715 | return Err; | ||||||||
1716 | } | ||||||||
1717 | } | ||||||||
1718 | return Error::success(); | ||||||||
1719 | } | ||||||||
1720 | |||||||||
1721 | if (EnumDecl *FromEnum = dyn_cast<EnumDecl>(FromD)) { | ||||||||
1722 | if (EnumDecl *ToEnum = cast<EnumDecl>(ToD)) { | ||||||||
1723 | if (FromEnum->getDefinition() && !ToEnum->getDefinition()) { | ||||||||
1724 | if (Error Err = ImportDefinition(FromEnum, ToEnum)) | ||||||||
1725 | return Err; | ||||||||
1726 | } | ||||||||
1727 | } | ||||||||
1728 | return Error::success(); | ||||||||
1729 | } | ||||||||
1730 | |||||||||
1731 | return Error::success(); | ||||||||
1732 | } | ||||||||
1733 | |||||||||
1734 | Error | ||||||||
1735 | ASTNodeImporter::ImportDeclarationNameLoc( | ||||||||
1736 | const DeclarationNameInfo &From, DeclarationNameInfo& To) { | ||||||||
1737 | // NOTE: To.Name and To.Loc are already imported. | ||||||||
1738 | // We only have to import To.LocInfo. | ||||||||
1739 | switch (To.getName().getNameKind()) { | ||||||||
1740 | case DeclarationName::Identifier: | ||||||||
1741 | case DeclarationName::ObjCZeroArgSelector: | ||||||||
1742 | case DeclarationName::ObjCOneArgSelector: | ||||||||
1743 | case DeclarationName::ObjCMultiArgSelector: | ||||||||
1744 | case DeclarationName::CXXUsingDirective: | ||||||||
1745 | case DeclarationName::CXXDeductionGuideName: | ||||||||
1746 | return Error::success(); | ||||||||
1747 | |||||||||
1748 | case DeclarationName::CXXOperatorName: { | ||||||||
1749 | if (auto ToRangeOrErr = import(From.getCXXOperatorNameRange())) | ||||||||
1750 | To.setCXXOperatorNameRange(*ToRangeOrErr); | ||||||||
1751 | else | ||||||||
1752 | return ToRangeOrErr.takeError(); | ||||||||
1753 | return Error::success(); | ||||||||
1754 | } | ||||||||
1755 | case DeclarationName::CXXLiteralOperatorName: { | ||||||||
1756 | if (ExpectedSLoc LocOrErr = import(From.getCXXLiteralOperatorNameLoc())) | ||||||||
1757 | To.setCXXLiteralOperatorNameLoc(*LocOrErr); | ||||||||
1758 | else | ||||||||
1759 | return LocOrErr.takeError(); | ||||||||
1760 | return Error::success(); | ||||||||
1761 | } | ||||||||
1762 | case DeclarationName::CXXConstructorName: | ||||||||
1763 | case DeclarationName::CXXDestructorName: | ||||||||
1764 | case DeclarationName::CXXConversionFunctionName: { | ||||||||
1765 | if (auto ToTInfoOrErr = import(From.getNamedTypeInfo())) | ||||||||
1766 | To.setNamedTypeInfo(*ToTInfoOrErr); | ||||||||
1767 | else | ||||||||
1768 | return ToTInfoOrErr.takeError(); | ||||||||
1769 | return Error::success(); | ||||||||
1770 | } | ||||||||
1771 | } | ||||||||
1772 | llvm_unreachable("Unknown name kind.")::llvm::llvm_unreachable_internal("Unknown name kind.", "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 1772); | ||||||||
1773 | } | ||||||||
1774 | |||||||||
1775 | Error | ||||||||
1776 | ASTNodeImporter::ImportDeclContext(DeclContext *FromDC, bool ForceImport) { | ||||||||
1777 | if (Importer.isMinimalImport() && !ForceImport) { | ||||||||
1778 | auto ToDCOrErr = Importer.ImportContext(FromDC); | ||||||||
1779 | return ToDCOrErr.takeError(); | ||||||||
1780 | } | ||||||||
1781 | |||||||||
1782 | // We use strict error handling in case of records and enums, but not | ||||||||
1783 | // with e.g. namespaces. | ||||||||
1784 | // | ||||||||
1785 | // FIXME Clients of the ASTImporter should be able to choose an | ||||||||
1786 | // appropriate error handling strategy for their needs. For instance, | ||||||||
1787 | // they may not want to mark an entire namespace as erroneous merely | ||||||||
1788 | // because there is an ODR error with two typedefs. As another example, | ||||||||
1789 | // the client may allow EnumConstantDecls with same names but with | ||||||||
1790 | // different values in two distinct translation units. | ||||||||
1791 | bool AccumulateChildErrors = isa<TagDecl>(FromDC); | ||||||||
1792 | |||||||||
1793 | Error ChildErrors = Error::success(); | ||||||||
1794 | for (auto *From : FromDC->decls()) { | ||||||||
1795 | ExpectedDecl ImportedOrErr = import(From); | ||||||||
1796 | |||||||||
1797 | // If we are in the process of ImportDefinition(...) for a RecordDecl we | ||||||||
1798 | // want to make sure that we are also completing each FieldDecl. There | ||||||||
1799 | // are currently cases where this does not happen and this is correctness | ||||||||
1800 | // fix since operations such as code generation will expect this to be so. | ||||||||
1801 | if (ImportedOrErr) { | ||||||||
1802 | FieldDecl *FieldFrom = dyn_cast_or_null<FieldDecl>(From); | ||||||||
1803 | Decl *ImportedDecl = *ImportedOrErr; | ||||||||
1804 | FieldDecl *FieldTo = dyn_cast_or_null<FieldDecl>(ImportedDecl); | ||||||||
1805 | if (FieldFrom && FieldTo) { | ||||||||
1806 | RecordDecl *FromRecordDecl = nullptr; | ||||||||
1807 | RecordDecl *ToRecordDecl = nullptr; | ||||||||
1808 | // If we have a field that is an ArrayType we need to check if the array | ||||||||
1809 | // element is a RecordDecl and if so we need to import the defintion. | ||||||||
1810 | if (FieldFrom->getType()->isArrayType()) { | ||||||||
1811 | // getBaseElementTypeUnsafe(...) handles multi-dimensonal arrays for us. | ||||||||
1812 | FromRecordDecl = FieldFrom->getType()->getBaseElementTypeUnsafe()->getAsRecordDecl(); | ||||||||
1813 | ToRecordDecl = FieldTo->getType()->getBaseElementTypeUnsafe()->getAsRecordDecl(); | ||||||||
1814 | } | ||||||||
1815 | |||||||||
1816 | if (!FromRecordDecl || !ToRecordDecl) { | ||||||||
1817 | const RecordType *RecordFrom = | ||||||||
1818 | FieldFrom->getType()->getAs<RecordType>(); | ||||||||
1819 | const RecordType *RecordTo = FieldTo->getType()->getAs<RecordType>(); | ||||||||
1820 | |||||||||
1821 | if (RecordFrom && RecordTo) { | ||||||||
1822 | FromRecordDecl = RecordFrom->getDecl(); | ||||||||
1823 | ToRecordDecl = RecordTo->getDecl(); | ||||||||
1824 | } | ||||||||
1825 | } | ||||||||
1826 | |||||||||
1827 | if (FromRecordDecl && ToRecordDecl) { | ||||||||
1828 | if (FromRecordDecl->isCompleteDefinition() && | ||||||||
1829 | !ToRecordDecl->isCompleteDefinition()) { | ||||||||
1830 | Error Err = ImportDefinition(FromRecordDecl, ToRecordDecl); | ||||||||
1831 | |||||||||
1832 | if (Err && AccumulateChildErrors) | ||||||||
1833 | ChildErrors = joinErrors(std::move(ChildErrors), std::move(Err)); | ||||||||
1834 | else | ||||||||
1835 | consumeError(std::move(Err)); | ||||||||
1836 | } | ||||||||
1837 | } | ||||||||
1838 | } | ||||||||
1839 | } else { | ||||||||
1840 | if (AccumulateChildErrors) | ||||||||
1841 | ChildErrors = | ||||||||
1842 | joinErrors(std::move(ChildErrors), ImportedOrErr.takeError()); | ||||||||
1843 | else | ||||||||
1844 | consumeError(ImportedOrErr.takeError()); | ||||||||
1845 | } | ||||||||
1846 | } | ||||||||
1847 | |||||||||
1848 | // We reorder declarations in RecordDecls because they may have another order | ||||||||
1849 | // in the "to" context than they have in the "from" context. This may happen | ||||||||
1850 | // e.g when we import a class like this: | ||||||||
1851 | // struct declToImport { | ||||||||
1852 | // int a = c + b; | ||||||||
1853 | // int b = 1; | ||||||||
1854 | // int c = 2; | ||||||||
1855 | // }; | ||||||||
1856 | // During the import of `a` we import first the dependencies in sequence, | ||||||||
1857 | // thus the order would be `c`, `b`, `a`. We will get the normal order by | ||||||||
1858 | // first removing the already imported members and then adding them in the | ||||||||
1859 | // order as they apper in the "from" context. | ||||||||
1860 | // | ||||||||
1861 | // Keeping field order is vital because it determines structure layout. | ||||||||
1862 | // | ||||||||
1863 | // Here and below, we cannot call field_begin() method and its callers on | ||||||||
1864 | // ToDC if it has an external storage. Calling field_begin() will | ||||||||
1865 | // automatically load all the fields by calling | ||||||||
1866 | // LoadFieldsFromExternalStorage(). LoadFieldsFromExternalStorage() would | ||||||||
1867 | // call ASTImporter::Import(). This is because the ExternalASTSource | ||||||||
1868 | // interface in LLDB is implemented by the means of the ASTImporter. However, | ||||||||
1869 | // calling an import at this point would result in an uncontrolled import, we | ||||||||
1870 | // must avoid that. | ||||||||
1871 | const auto *FromRD = dyn_cast<RecordDecl>(FromDC); | ||||||||
1872 | if (!FromRD) | ||||||||
1873 | return ChildErrors; | ||||||||
1874 | |||||||||
1875 | auto ToDCOrErr = Importer.ImportContext(FromDC); | ||||||||
1876 | if (!ToDCOrErr) { | ||||||||
1877 | consumeError(std::move(ChildErrors)); | ||||||||
1878 | return ToDCOrErr.takeError(); | ||||||||
1879 | } | ||||||||
1880 | |||||||||
1881 | DeclContext *ToDC = *ToDCOrErr; | ||||||||
1882 | // Remove all declarations, which may be in wrong order in the | ||||||||
1883 | // lexical DeclContext and then add them in the proper order. | ||||||||
1884 | for (auto *D : FromRD->decls()) { | ||||||||
1885 | if (isa<FieldDecl>(D) || isa<IndirectFieldDecl>(D) || isa<FriendDecl>(D)) { | ||||||||
1886 | assert(D && "DC contains a null decl")(static_cast <bool> (D && "DC contains a null decl" ) ? void (0) : __assert_fail ("D && \"DC contains a null decl\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 1886, __extension__ __PRETTY_FUNCTION__)); | ||||||||
1887 | Decl *ToD = Importer.GetAlreadyImportedOrNull(D); | ||||||||
1888 | // Remove only the decls which we successfully imported. | ||||||||
1889 | if (ToD) { | ||||||||
1890 | assert(ToDC == ToD->getLexicalDeclContext() && ToDC->containsDecl(ToD))(static_cast <bool> (ToDC == ToD->getLexicalDeclContext () && ToDC->containsDecl(ToD)) ? void (0) : __assert_fail ("ToDC == ToD->getLexicalDeclContext() && ToDC->containsDecl(ToD)" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 1890, __extension__ __PRETTY_FUNCTION__)); | ||||||||
1891 | // Remove the decl from its wrong place in the linked list. | ||||||||
1892 | ToDC->removeDecl(ToD); | ||||||||
1893 | // Add the decl to the end of the linked list. | ||||||||
1894 | // This time it will be at the proper place because the enclosing for | ||||||||
1895 | // loop iterates in the original (good) order of the decls. | ||||||||
1896 | ToDC->addDeclInternal(ToD); | ||||||||
1897 | } | ||||||||
1898 | } | ||||||||
1899 | } | ||||||||
1900 | |||||||||
1901 | return ChildErrors; | ||||||||
1902 | } | ||||||||
1903 | |||||||||
1904 | Error ASTNodeImporter::ImportDeclContext( | ||||||||
1905 | Decl *FromD, DeclContext *&ToDC, DeclContext *&ToLexicalDC) { | ||||||||
1906 | auto ToDCOrErr = Importer.ImportContext(FromD->getDeclContext()); | ||||||||
1907 | if (!ToDCOrErr) | ||||||||
1908 | return ToDCOrErr.takeError(); | ||||||||
1909 | ToDC = *ToDCOrErr; | ||||||||
1910 | |||||||||
1911 | if (FromD->getDeclContext() != FromD->getLexicalDeclContext()) { | ||||||||
1912 | auto ToLexicalDCOrErr = Importer.ImportContext( | ||||||||
1913 | FromD->getLexicalDeclContext()); | ||||||||
1914 | if (!ToLexicalDCOrErr) | ||||||||
1915 | return ToLexicalDCOrErr.takeError(); | ||||||||
1916 | ToLexicalDC = *ToLexicalDCOrErr; | ||||||||
1917 | } else | ||||||||
1918 | ToLexicalDC = ToDC; | ||||||||
1919 | |||||||||
1920 | return Error::success(); | ||||||||
1921 | } | ||||||||
1922 | |||||||||
1923 | Error ASTNodeImporter::ImportImplicitMethods( | ||||||||
1924 | const CXXRecordDecl *From, CXXRecordDecl *To) { | ||||||||
1925 | assert(From->isCompleteDefinition() && To->getDefinition() == To &&(static_cast <bool> (From->isCompleteDefinition() && To->getDefinition() == To && "Import implicit methods to or from non-definition" ) ? void (0) : __assert_fail ("From->isCompleteDefinition() && To->getDefinition() == To && \"Import implicit methods to or from non-definition\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 1926, __extension__ __PRETTY_FUNCTION__)) | ||||||||
1926 | "Import implicit methods to or from non-definition")(static_cast <bool> (From->isCompleteDefinition() && To->getDefinition() == To && "Import implicit methods to or from non-definition" ) ? void (0) : __assert_fail ("From->isCompleteDefinition() && To->getDefinition() == To && \"Import implicit methods to or from non-definition\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 1926, __extension__ __PRETTY_FUNCTION__)); | ||||||||
1927 | |||||||||
1928 | for (CXXMethodDecl *FromM : From->methods()) | ||||||||
1929 | if (FromM->isImplicit()) { | ||||||||
1930 | Expected<CXXMethodDecl *> ToMOrErr = import(FromM); | ||||||||
1931 | if (!ToMOrErr) | ||||||||
1932 | return ToMOrErr.takeError(); | ||||||||
1933 | } | ||||||||
1934 | |||||||||
1935 | return Error::success(); | ||||||||
1936 | } | ||||||||
1937 | |||||||||
1938 | static Error setTypedefNameForAnonDecl(TagDecl *From, TagDecl *To, | ||||||||
1939 | ASTImporter &Importer) { | ||||||||
1940 | if (TypedefNameDecl *FromTypedef = From->getTypedefNameForAnonDecl()) { | ||||||||
1941 | if (ExpectedDecl ToTypedefOrErr = Importer.Import(FromTypedef)) | ||||||||
1942 | To->setTypedefNameForAnonDecl(cast<TypedefNameDecl>(*ToTypedefOrErr)); | ||||||||
1943 | else | ||||||||
1944 | return ToTypedefOrErr.takeError(); | ||||||||
1945 | } | ||||||||
1946 | return Error::success(); | ||||||||
1947 | } | ||||||||
1948 | |||||||||
1949 | Error ASTNodeImporter::ImportDefinition( | ||||||||
1950 | RecordDecl *From, RecordDecl *To, ImportDefinitionKind Kind) { | ||||||||
1951 | auto DefinitionCompleter = [To]() { | ||||||||
1952 | // There are cases in LLDB when we first import a class without its | ||||||||
1953 | // members. The class will have DefinitionData, but no members. Then, | ||||||||
1954 | // importDefinition is called from LLDB, which tries to get the members, so | ||||||||
1955 | // when we get here, the class already has the DefinitionData set, so we | ||||||||
1956 | // must unset the CompleteDefinition here to be able to complete again the | ||||||||
1957 | // definition. | ||||||||
1958 | To->setCompleteDefinition(false); | ||||||||
1959 | To->completeDefinition(); | ||||||||
1960 | }; | ||||||||
1961 | |||||||||
1962 | if (To->getDefinition() || To->isBeingDefined()) { | ||||||||
1963 | if (Kind == IDK_Everything || | ||||||||
1964 | // In case of lambdas, the class already has a definition ptr set, but | ||||||||
1965 | // the contained decls are not imported yet. Also, isBeingDefined was | ||||||||
1966 | // set in CXXRecordDecl::CreateLambda. We must import the contained | ||||||||
1967 | // decls here and finish the definition. | ||||||||
1968 | (To->isLambda() && shouldForceImportDeclContext(Kind))) { | ||||||||
1969 | if (To->isLambda()) { | ||||||||
1970 | auto *FromCXXRD = cast<CXXRecordDecl>(From); | ||||||||
1971 | SmallVector<LambdaCapture, 8> ToCaptures; | ||||||||
1972 | ToCaptures.reserve(FromCXXRD->capture_size()); | ||||||||
1973 | for (const auto &FromCapture : FromCXXRD->captures()) { | ||||||||
1974 | if (auto ToCaptureOrErr = import(FromCapture)) | ||||||||
1975 | ToCaptures.push_back(*ToCaptureOrErr); | ||||||||
1976 | else | ||||||||
1977 | return ToCaptureOrErr.takeError(); | ||||||||
1978 | } | ||||||||
1979 | cast<CXXRecordDecl>(To)->setCaptures(Importer.getToContext(), | ||||||||
1980 | ToCaptures); | ||||||||
1981 | } | ||||||||
1982 | |||||||||
1983 | Error Result = ImportDeclContext(From, /*ForceImport=*/true); | ||||||||
1984 | // Finish the definition of the lambda, set isBeingDefined to false. | ||||||||
1985 | if (To->isLambda()) | ||||||||
1986 | DefinitionCompleter(); | ||||||||
1987 | return Result; | ||||||||
1988 | } | ||||||||
1989 | |||||||||
1990 | return Error::success(); | ||||||||
1991 | } | ||||||||
1992 | |||||||||
1993 | To->startDefinition(); | ||||||||
1994 | // Complete the definition even if error is returned. | ||||||||
1995 | // The RecordDecl may be already part of the AST so it is better to | ||||||||
1996 | // have it in complete state even if something is wrong with it. | ||||||||
1997 | auto DefinitionCompleterScopeExit = | ||||||||
1998 | llvm::make_scope_exit(DefinitionCompleter); | ||||||||
1999 | |||||||||
2000 | if (Error Err = setTypedefNameForAnonDecl(From, To, Importer)) | ||||||||
2001 | return Err; | ||||||||
2002 | |||||||||
2003 | // Add base classes. | ||||||||
2004 | auto *ToCXX = dyn_cast<CXXRecordDecl>(To); | ||||||||
2005 | auto *FromCXX = dyn_cast<CXXRecordDecl>(From); | ||||||||
2006 | if (ToCXX && FromCXX && ToCXX->dataPtr() && FromCXX->dataPtr()) { | ||||||||
2007 | |||||||||
2008 | struct CXXRecordDecl::DefinitionData &ToData = ToCXX->data(); | ||||||||
2009 | struct CXXRecordDecl::DefinitionData &FromData = FromCXX->data(); | ||||||||
2010 | |||||||||
2011 | #define FIELD(Name, Width, Merge) \ | ||||||||
2012 | ToData.Name = FromData.Name; | ||||||||
2013 | #include "clang/AST/CXXRecordDeclDefinitionBits.def" | ||||||||
2014 | |||||||||
2015 | // Copy over the data stored in RecordDeclBits | ||||||||
2016 | ToCXX->setArgPassingRestrictions(FromCXX->getArgPassingRestrictions()); | ||||||||
2017 | |||||||||
2018 | SmallVector<CXXBaseSpecifier *, 4> Bases; | ||||||||
2019 | for (const auto &Base1 : FromCXX->bases()) { | ||||||||
2020 | ExpectedType TyOrErr = import(Base1.getType()); | ||||||||
2021 | if (!TyOrErr) | ||||||||
2022 | return TyOrErr.takeError(); | ||||||||
2023 | |||||||||
2024 | SourceLocation EllipsisLoc; | ||||||||
2025 | if (Base1.isPackExpansion()) { | ||||||||
2026 | if (ExpectedSLoc LocOrErr = import(Base1.getEllipsisLoc())) | ||||||||
2027 | EllipsisLoc = *LocOrErr; | ||||||||
2028 | else | ||||||||
2029 | return LocOrErr.takeError(); | ||||||||
2030 | } | ||||||||
2031 | |||||||||
2032 | // Ensure that we have a definition for the base. | ||||||||
2033 | if (Error Err = | ||||||||
2034 | ImportDefinitionIfNeeded(Base1.getType()->getAsCXXRecordDecl())) | ||||||||
2035 | return Err; | ||||||||
2036 | |||||||||
2037 | auto RangeOrErr = import(Base1.getSourceRange()); | ||||||||
2038 | if (!RangeOrErr) | ||||||||
2039 | return RangeOrErr.takeError(); | ||||||||
2040 | |||||||||
2041 | auto TSIOrErr = import(Base1.getTypeSourceInfo()); | ||||||||
2042 | if (!TSIOrErr) | ||||||||
2043 | return TSIOrErr.takeError(); | ||||||||
2044 | |||||||||
2045 | Bases.push_back( | ||||||||
2046 | new (Importer.getToContext()) CXXBaseSpecifier( | ||||||||
2047 | *RangeOrErr, | ||||||||
2048 | Base1.isVirtual(), | ||||||||
2049 | Base1.isBaseOfClass(), | ||||||||
2050 | Base1.getAccessSpecifierAsWritten(), | ||||||||
2051 | *TSIOrErr, | ||||||||
2052 | EllipsisLoc)); | ||||||||
2053 | } | ||||||||
2054 | if (!Bases.empty()) | ||||||||
2055 | ToCXX->setBases(Bases.data(), Bases.size()); | ||||||||
2056 | } | ||||||||
2057 | |||||||||
2058 | if (shouldForceImportDeclContext(Kind)) | ||||||||
2059 | if (Error Err = ImportDeclContext(From, /*ForceImport=*/true)) | ||||||||
2060 | return Err; | ||||||||
2061 | |||||||||
2062 | return Error::success(); | ||||||||
2063 | } | ||||||||
2064 | |||||||||
2065 | Error ASTNodeImporter::ImportInitializer(VarDecl *From, VarDecl *To) { | ||||||||
2066 | if (To->getAnyInitializer()) | ||||||||
2067 | return Error::success(); | ||||||||
2068 | |||||||||
2069 | Expr *FromInit = From->getInit(); | ||||||||
2070 | if (!FromInit) | ||||||||
2071 | return Error::success(); | ||||||||
2072 | |||||||||
2073 | ExpectedExpr ToInitOrErr = import(FromInit); | ||||||||
2074 | if (!ToInitOrErr) | ||||||||
2075 | return ToInitOrErr.takeError(); | ||||||||
2076 | |||||||||
2077 | To->setInit(*ToInitOrErr); | ||||||||
2078 | if (EvaluatedStmt *FromEval = From->getEvaluatedStmt()) { | ||||||||
2079 | EvaluatedStmt *ToEval = To->ensureEvaluatedStmt(); | ||||||||
2080 | ToEval->HasConstantInitialization = FromEval->HasConstantInitialization; | ||||||||
2081 | ToEval->HasConstantDestruction = FromEval->HasConstantDestruction; | ||||||||
2082 | // FIXME: Also import the initializer value. | ||||||||
2083 | } | ||||||||
2084 | |||||||||
2085 | // FIXME: Other bits to merge? | ||||||||
2086 | return Error::success(); | ||||||||
2087 | } | ||||||||
2088 | |||||||||
2089 | Error ASTNodeImporter::ImportDefinition( | ||||||||
2090 | EnumDecl *From, EnumDecl *To, ImportDefinitionKind Kind) { | ||||||||
2091 | if (To->getDefinition() || To->isBeingDefined()) { | ||||||||
2092 | if (Kind == IDK_Everything) | ||||||||
2093 | return ImportDeclContext(From, /*ForceImport=*/true); | ||||||||
2094 | return Error::success(); | ||||||||
2095 | } | ||||||||
2096 | |||||||||
2097 | To->startDefinition(); | ||||||||
2098 | |||||||||
2099 | if (Error Err = setTypedefNameForAnonDecl(From, To, Importer)) | ||||||||
2100 | return Err; | ||||||||
2101 | |||||||||
2102 | ExpectedType ToTypeOrErr = | ||||||||
2103 | import(Importer.getFromContext().getTypeDeclType(From)); | ||||||||
2104 | if (!ToTypeOrErr) | ||||||||
2105 | return ToTypeOrErr.takeError(); | ||||||||
2106 | |||||||||
2107 | ExpectedType ToPromotionTypeOrErr = import(From->getPromotionType()); | ||||||||
2108 | if (!ToPromotionTypeOrErr) | ||||||||
2109 | return ToPromotionTypeOrErr.takeError(); | ||||||||
2110 | |||||||||
2111 | if (shouldForceImportDeclContext(Kind)) | ||||||||
2112 | if (Error Err = ImportDeclContext(From, /*ForceImport=*/true)) | ||||||||
2113 | return Err; | ||||||||
2114 | |||||||||
2115 | // FIXME: we might need to merge the number of positive or negative bits | ||||||||
2116 | // if the enumerator lists don't match. | ||||||||
2117 | To->completeDefinition(*ToTypeOrErr, *ToPromotionTypeOrErr, | ||||||||
2118 | From->getNumPositiveBits(), | ||||||||
2119 | From->getNumNegativeBits()); | ||||||||
2120 | return Error::success(); | ||||||||
2121 | } | ||||||||
2122 | |||||||||
2123 | Error ASTNodeImporter::ImportTemplateArguments( | ||||||||
2124 | const TemplateArgument *FromArgs, unsigned NumFromArgs, | ||||||||
2125 | SmallVectorImpl<TemplateArgument> &ToArgs) { | ||||||||
2126 | for (unsigned I = 0; I != NumFromArgs; ++I) { | ||||||||
2127 | if (auto ToOrErr = import(FromArgs[I])) | ||||||||
2128 | ToArgs.push_back(*ToOrErr); | ||||||||
2129 | else | ||||||||
2130 | return ToOrErr.takeError(); | ||||||||
2131 | } | ||||||||
2132 | |||||||||
2133 | return Error::success(); | ||||||||
2134 | } | ||||||||
2135 | |||||||||
2136 | // FIXME: Do not forget to remove this and use only 'import'. | ||||||||
2137 | Expected<TemplateArgument> | ||||||||
2138 | ASTNodeImporter::ImportTemplateArgument(const TemplateArgument &From) { | ||||||||
2139 | return import(From); | ||||||||
2140 | } | ||||||||
2141 | |||||||||
2142 | template <typename InContainerTy> | ||||||||
2143 | Error ASTNodeImporter::ImportTemplateArgumentListInfo( | ||||||||
2144 | const InContainerTy &Container, TemplateArgumentListInfo &ToTAInfo) { | ||||||||
2145 | for (const auto &FromLoc : Container) { | ||||||||
2146 | if (auto ToLocOrErr = import(FromLoc)) | ||||||||
2147 | ToTAInfo.addArgument(*ToLocOrErr); | ||||||||
2148 | else | ||||||||
2149 | return ToLocOrErr.takeError(); | ||||||||
2150 | } | ||||||||
2151 | return Error::success(); | ||||||||
2152 | } | ||||||||
2153 | |||||||||
2154 | static StructuralEquivalenceKind | ||||||||
2155 | getStructuralEquivalenceKind(const ASTImporter &Importer) { | ||||||||
2156 | return Importer.isMinimalImport() ? StructuralEquivalenceKind::Minimal | ||||||||
2157 | : StructuralEquivalenceKind::Default; | ||||||||
2158 | } | ||||||||
2159 | |||||||||
2160 | bool ASTNodeImporter::IsStructuralMatch(Decl *From, Decl *To, bool Complain) { | ||||||||
2161 | StructuralEquivalenceContext Ctx( | ||||||||
2162 | Importer.getFromContext(), Importer.getToContext(), | ||||||||
2163 | Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer), | ||||||||
2164 | false, Complain); | ||||||||
2165 | return Ctx.IsEquivalent(From, To); | ||||||||
2166 | } | ||||||||
2167 | |||||||||
2168 | bool ASTNodeImporter::IsStructuralMatch(RecordDecl *FromRecord, | ||||||||
2169 | RecordDecl *ToRecord, bool Complain) { | ||||||||
2170 | // Eliminate a potential failure point where we attempt to re-import | ||||||||
2171 | // something we're trying to import while completing ToRecord. | ||||||||
2172 | Decl *ToOrigin = Importer.GetOriginalDecl(ToRecord); | ||||||||
2173 | if (ToOrigin) { | ||||||||
2174 | auto *ToOriginRecord = dyn_cast<RecordDecl>(ToOrigin); | ||||||||
2175 | if (ToOriginRecord) | ||||||||
2176 | ToRecord = ToOriginRecord; | ||||||||
2177 | } | ||||||||
2178 | |||||||||
2179 | StructuralEquivalenceContext Ctx(Importer.getFromContext(), | ||||||||
2180 | ToRecord->getASTContext(), | ||||||||
2181 | Importer.getNonEquivalentDecls(), | ||||||||
2182 | getStructuralEquivalenceKind(Importer), | ||||||||
2183 | false, Complain); | ||||||||
2184 | return Ctx.IsEquivalent(FromRecord, ToRecord); | ||||||||
2185 | } | ||||||||
2186 | |||||||||
2187 | bool ASTNodeImporter::IsStructuralMatch(VarDecl *FromVar, VarDecl *ToVar, | ||||||||
2188 | bool Complain) { | ||||||||
2189 | StructuralEquivalenceContext Ctx( | ||||||||
2190 | Importer.getFromContext(), Importer.getToContext(), | ||||||||
2191 | Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer), | ||||||||
2192 | false, Complain); | ||||||||
2193 | return Ctx.IsEquivalent(FromVar, ToVar); | ||||||||
2194 | } | ||||||||
2195 | |||||||||
2196 | bool ASTNodeImporter::IsStructuralMatch(EnumDecl *FromEnum, EnumDecl *ToEnum) { | ||||||||
2197 | // Eliminate a potential failure point where we attempt to re-import | ||||||||
2198 | // something we're trying to import while completing ToEnum. | ||||||||
2199 | if (Decl *ToOrigin = Importer.GetOriginalDecl(ToEnum)) | ||||||||
2200 | if (auto *ToOriginEnum = dyn_cast<EnumDecl>(ToOrigin)) | ||||||||
2201 | ToEnum = ToOriginEnum; | ||||||||
2202 | |||||||||
2203 | StructuralEquivalenceContext Ctx( | ||||||||
2204 | Importer.getFromContext(), Importer.getToContext(), | ||||||||
2205 | Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer)); | ||||||||
2206 | return Ctx.IsEquivalent(FromEnum, ToEnum); | ||||||||
2207 | } | ||||||||
2208 | |||||||||
2209 | bool ASTNodeImporter::IsStructuralMatch(FunctionTemplateDecl *From, | ||||||||
2210 | FunctionTemplateDecl *To) { | ||||||||
2211 | StructuralEquivalenceContext Ctx( | ||||||||
2212 | Importer.getFromContext(), Importer.getToContext(), | ||||||||
2213 | Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer), | ||||||||
2214 | false, false); | ||||||||
2215 | return Ctx.IsEquivalent(From, To); | ||||||||
2216 | } | ||||||||
2217 | |||||||||
2218 | bool ASTNodeImporter::IsStructuralMatch(FunctionDecl *From, FunctionDecl *To) { | ||||||||
2219 | StructuralEquivalenceContext Ctx( | ||||||||
2220 | Importer.getFromContext(), Importer.getToContext(), | ||||||||
2221 | Importer.getNonEquivalentDecls(), getStructuralEquivalenceKind(Importer), | ||||||||
2222 | false, false); | ||||||||
2223 | return Ctx.IsEquivalent(From, To); | ||||||||
2224 | } | ||||||||
2225 | |||||||||
2226 | bool ASTNodeImporter::IsStructuralMatch(EnumConstantDecl *FromEC, | ||||||||
2227 | EnumConstantDecl *ToEC) { | ||||||||
2228 | const llvm::APSInt &FromVal = FromEC->getInitVal(); | ||||||||
2229 | const llvm::APSInt &ToVal = ToEC->getInitVal(); | ||||||||
2230 | |||||||||
2231 | return FromVal.isSigned() == ToVal.isSigned() && | ||||||||
2232 | FromVal.getBitWidth() == ToVal.getBitWidth() && | ||||||||
2233 | FromVal == ToVal; | ||||||||
2234 | } | ||||||||
2235 | |||||||||
2236 | bool ASTNodeImporter::IsStructuralMatch(ClassTemplateDecl *From, | ||||||||
2237 | ClassTemplateDecl *To) { | ||||||||
2238 | StructuralEquivalenceContext Ctx(Importer.getFromContext(), | ||||||||
2239 | Importer.getToContext(), | ||||||||
2240 | Importer.getNonEquivalentDecls(), | ||||||||
2241 | getStructuralEquivalenceKind(Importer)); | ||||||||
2242 | return Ctx.IsEquivalent(From, To); | ||||||||
2243 | } | ||||||||
2244 | |||||||||
2245 | bool ASTNodeImporter::IsStructuralMatch(VarTemplateDecl *From, | ||||||||
2246 | VarTemplateDecl *To) { | ||||||||
2247 | StructuralEquivalenceContext Ctx(Importer.getFromContext(), | ||||||||
2248 | Importer.getToContext(), | ||||||||
2249 | Importer.getNonEquivalentDecls(), | ||||||||
2250 | getStructuralEquivalenceKind(Importer)); | ||||||||
2251 | return Ctx.IsEquivalent(From, To); | ||||||||
2252 | } | ||||||||
2253 | |||||||||
2254 | ExpectedDecl ASTNodeImporter::VisitDecl(Decl *D) { | ||||||||
2255 | Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node) | ||||||||
2256 | << D->getDeclKindName(); | ||||||||
2257 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | ||||||||
2258 | } | ||||||||
2259 | |||||||||
2260 | ExpectedDecl ASTNodeImporter::VisitImportDecl(ImportDecl *D) { | ||||||||
2261 | Importer.FromDiag(D->getLocation(), diag::err_unsupported_ast_node) | ||||||||
2262 | << D->getDeclKindName(); | ||||||||
2263 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | ||||||||
2264 | } | ||||||||
2265 | |||||||||
2266 | ExpectedDecl ASTNodeImporter::VisitEmptyDecl(EmptyDecl *D) { | ||||||||
2267 | // Import the context of this declaration. | ||||||||
2268 | DeclContext *DC, *LexicalDC; | ||||||||
2269 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | ||||||||
2270 | return std::move(Err); | ||||||||
2271 | |||||||||
2272 | // Import the location of this declaration. | ||||||||
2273 | ExpectedSLoc LocOrErr = import(D->getLocation()); | ||||||||
2274 | if (!LocOrErr) | ||||||||
2275 | return LocOrErr.takeError(); | ||||||||
2276 | |||||||||
2277 | EmptyDecl *ToD; | ||||||||
2278 | if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), DC, *LocOrErr)) | ||||||||
2279 | return ToD; | ||||||||
2280 | |||||||||
2281 | ToD->setLexicalDeclContext(LexicalDC); | ||||||||
2282 | LexicalDC->addDeclInternal(ToD); | ||||||||
2283 | return ToD; | ||||||||
2284 | } | ||||||||
2285 | |||||||||
2286 | ExpectedDecl ASTNodeImporter::VisitTranslationUnitDecl(TranslationUnitDecl *D) { | ||||||||
2287 | TranslationUnitDecl *ToD = | ||||||||
2288 | Importer.getToContext().getTranslationUnitDecl(); | ||||||||
2289 | |||||||||
2290 | Importer.MapImported(D, ToD); | ||||||||
2291 | |||||||||
2292 | return ToD; | ||||||||
2293 | } | ||||||||
2294 | |||||||||
2295 | ExpectedDecl ASTNodeImporter::VisitBindingDecl(BindingDecl *D) { | ||||||||
2296 | DeclContext *DC, *LexicalDC; | ||||||||
2297 | DeclarationName Name; | ||||||||
2298 | SourceLocation Loc; | ||||||||
2299 | NamedDecl *ToND; | ||||||||
2300 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToND, Loc)) | ||||||||
2301 | return std::move(Err); | ||||||||
2302 | if (ToND) | ||||||||
2303 | return ToND; | ||||||||
2304 | |||||||||
2305 | BindingDecl *ToD; | ||||||||
2306 | if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), DC, Loc, | ||||||||
2307 | Name.getAsIdentifierInfo())) | ||||||||
2308 | return ToD; | ||||||||
2309 | |||||||||
2310 | Error Err = Error::success(); | ||||||||
2311 | QualType ToType = importChecked(Err, D->getType()); | ||||||||
2312 | Expr *ToBinding = importChecked(Err, D->getBinding()); | ||||||||
2313 | ValueDecl *ToDecomposedDecl = importChecked(Err, D->getDecomposedDecl()); | ||||||||
2314 | if (Err) | ||||||||
2315 | return std::move(Err); | ||||||||
2316 | |||||||||
2317 | ToD->setBinding(ToType, ToBinding); | ||||||||
2318 | ToD->setDecomposedDecl(ToDecomposedDecl); | ||||||||
2319 | addDeclToContexts(D, ToD); | ||||||||
2320 | |||||||||
2321 | return ToD; | ||||||||
2322 | } | ||||||||
2323 | |||||||||
2324 | ExpectedDecl ASTNodeImporter::VisitAccessSpecDecl(AccessSpecDecl *D) { | ||||||||
2325 | ExpectedSLoc LocOrErr = import(D->getLocation()); | ||||||||
2326 | if (!LocOrErr) | ||||||||
2327 | return LocOrErr.takeError(); | ||||||||
2328 | auto ColonLocOrErr = import(D->getColonLoc()); | ||||||||
2329 | if (!ColonLocOrErr) | ||||||||
2330 | return ColonLocOrErr.takeError(); | ||||||||
2331 | |||||||||
2332 | // Import the context of this declaration. | ||||||||
2333 | auto DCOrErr = Importer.ImportContext(D->getDeclContext()); | ||||||||
2334 | if (!DCOrErr) | ||||||||
2335 | return DCOrErr.takeError(); | ||||||||
2336 | DeclContext *DC = *DCOrErr; | ||||||||
2337 | |||||||||
2338 | AccessSpecDecl *ToD; | ||||||||
2339 | if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), D->getAccess(), | ||||||||
2340 | DC, *LocOrErr, *ColonLocOrErr)) | ||||||||
2341 | return ToD; | ||||||||
2342 | |||||||||
2343 | // Lexical DeclContext and Semantic DeclContext | ||||||||
2344 | // is always the same for the accessSpec. | ||||||||
2345 | ToD->setLexicalDeclContext(DC); | ||||||||
2346 | DC->addDeclInternal(ToD); | ||||||||
2347 | |||||||||
2348 | return ToD; | ||||||||
2349 | } | ||||||||
2350 | |||||||||
2351 | ExpectedDecl ASTNodeImporter::VisitStaticAssertDecl(StaticAssertDecl *D) { | ||||||||
2352 | auto DCOrErr = Importer.ImportContext(D->getDeclContext()); | ||||||||
2353 | if (!DCOrErr) | ||||||||
2354 | return DCOrErr.takeError(); | ||||||||
2355 | DeclContext *DC = *DCOrErr; | ||||||||
2356 | DeclContext *LexicalDC = DC; | ||||||||
2357 | |||||||||
2358 | Error Err = Error::success(); | ||||||||
2359 | auto ToLocation = importChecked(Err, D->getLocation()); | ||||||||
2360 | auto ToRParenLoc = importChecked(Err, D->getRParenLoc()); | ||||||||
2361 | auto ToAssertExpr = importChecked(Err, D->getAssertExpr()); | ||||||||
2362 | auto ToMessage = importChecked(Err, D->getMessage()); | ||||||||
2363 | if (Err) | ||||||||
2364 | return std::move(Err); | ||||||||
2365 | |||||||||
2366 | StaticAssertDecl *ToD; | ||||||||
2367 | if (GetImportedOrCreateDecl( | ||||||||
2368 | ToD, D, Importer.getToContext(), DC, ToLocation, ToAssertExpr, ToMessage, | ||||||||
2369 | ToRParenLoc, D->isFailed())) | ||||||||
2370 | return ToD; | ||||||||
2371 | |||||||||
2372 | ToD->setLexicalDeclContext(LexicalDC); | ||||||||
2373 | LexicalDC->addDeclInternal(ToD); | ||||||||
2374 | return ToD; | ||||||||
2375 | } | ||||||||
2376 | |||||||||
2377 | ExpectedDecl ASTNodeImporter::VisitNamespaceDecl(NamespaceDecl *D) { | ||||||||
2378 | // Import the major distinguishing characteristics of this namespace. | ||||||||
2379 | DeclContext *DC, *LexicalDC; | ||||||||
2380 | DeclarationName Name; | ||||||||
2381 | SourceLocation Loc; | ||||||||
2382 | NamedDecl *ToD; | ||||||||
2383 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
2384 | return std::move(Err); | ||||||||
2385 | if (ToD) | ||||||||
2386 | return ToD; | ||||||||
2387 | |||||||||
2388 | NamespaceDecl *MergeWithNamespace = nullptr; | ||||||||
2389 | if (!Name) { | ||||||||
2390 | // This is an anonymous namespace. Adopt an existing anonymous | ||||||||
2391 | // namespace if we can. | ||||||||
2392 | // FIXME: Not testable. | ||||||||
2393 | if (auto *TU = dyn_cast<TranslationUnitDecl>(DC)) | ||||||||
2394 | MergeWithNamespace = TU->getAnonymousNamespace(); | ||||||||
2395 | else | ||||||||
2396 | MergeWithNamespace = cast<NamespaceDecl>(DC)->getAnonymousNamespace(); | ||||||||
2397 | } else { | ||||||||
2398 | SmallVector<NamedDecl *, 4> ConflictingDecls; | ||||||||
2399 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
2400 | for (auto *FoundDecl : FoundDecls) { | ||||||||
2401 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Namespace)) | ||||||||
2402 | continue; | ||||||||
2403 | |||||||||
2404 | if (auto *FoundNS = dyn_cast<NamespaceDecl>(FoundDecl)) { | ||||||||
2405 | MergeWithNamespace = FoundNS; | ||||||||
2406 | ConflictingDecls.clear(); | ||||||||
2407 | break; | ||||||||
2408 | } | ||||||||
2409 | |||||||||
2410 | ConflictingDecls.push_back(FoundDecl); | ||||||||
2411 | } | ||||||||
2412 | |||||||||
2413 | if (!ConflictingDecls.empty()) { | ||||||||
2414 | ExpectedName NameOrErr = Importer.HandleNameConflict( | ||||||||
2415 | Name, DC, Decl::IDNS_Namespace, ConflictingDecls.data(), | ||||||||
2416 | ConflictingDecls.size()); | ||||||||
2417 | if (NameOrErr) | ||||||||
2418 | Name = NameOrErr.get(); | ||||||||
2419 | else | ||||||||
2420 | return NameOrErr.takeError(); | ||||||||
2421 | } | ||||||||
2422 | } | ||||||||
2423 | |||||||||
2424 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); | ||||||||
2425 | if (!BeginLocOrErr) | ||||||||
2426 | return BeginLocOrErr.takeError(); | ||||||||
2427 | ExpectedSLoc RBraceLocOrErr = import(D->getRBraceLoc()); | ||||||||
2428 | if (!RBraceLocOrErr) | ||||||||
2429 | return RBraceLocOrErr.takeError(); | ||||||||
2430 | |||||||||
2431 | // Create the "to" namespace, if needed. | ||||||||
2432 | NamespaceDecl *ToNamespace = MergeWithNamespace; | ||||||||
2433 | if (!ToNamespace) { | ||||||||
2434 | if (GetImportedOrCreateDecl( | ||||||||
2435 | ToNamespace, D, Importer.getToContext(), DC, D->isInline(), | ||||||||
2436 | *BeginLocOrErr, Loc, Name.getAsIdentifierInfo(), | ||||||||
2437 | /*PrevDecl=*/nullptr)) | ||||||||
2438 | return ToNamespace; | ||||||||
2439 | ToNamespace->setRBraceLoc(*RBraceLocOrErr); | ||||||||
2440 | ToNamespace->setLexicalDeclContext(LexicalDC); | ||||||||
2441 | LexicalDC->addDeclInternal(ToNamespace); | ||||||||
2442 | |||||||||
2443 | // If this is an anonymous namespace, register it as the anonymous | ||||||||
2444 | // namespace within its context. | ||||||||
2445 | if (!Name) { | ||||||||
2446 | if (auto *TU = dyn_cast<TranslationUnitDecl>(DC)) | ||||||||
2447 | TU->setAnonymousNamespace(ToNamespace); | ||||||||
2448 | else | ||||||||
2449 | cast<NamespaceDecl>(DC)->setAnonymousNamespace(ToNamespace); | ||||||||
2450 | } | ||||||||
2451 | } | ||||||||
2452 | Importer.MapImported(D, ToNamespace); | ||||||||
2453 | |||||||||
2454 | if (Error Err = ImportDeclContext(D)) | ||||||||
2455 | return std::move(Err); | ||||||||
2456 | |||||||||
2457 | return ToNamespace; | ||||||||
2458 | } | ||||||||
2459 | |||||||||
2460 | ExpectedDecl ASTNodeImporter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { | ||||||||
2461 | // Import the major distinguishing characteristics of this namespace. | ||||||||
2462 | DeclContext *DC, *LexicalDC; | ||||||||
2463 | DeclarationName Name; | ||||||||
2464 | SourceLocation Loc; | ||||||||
2465 | NamedDecl *LookupD; | ||||||||
2466 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, LookupD, Loc)) | ||||||||
2467 | return std::move(Err); | ||||||||
2468 | if (LookupD) | ||||||||
2469 | return LookupD; | ||||||||
2470 | |||||||||
2471 | // NOTE: No conflict resolution is done for namespace aliases now. | ||||||||
2472 | |||||||||
2473 | Error Err = Error::success(); | ||||||||
2474 | auto ToNamespaceLoc = importChecked(Err, D->getNamespaceLoc()); | ||||||||
2475 | auto ToAliasLoc = importChecked(Err, D->getAliasLoc()); | ||||||||
2476 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | ||||||||
2477 | auto ToTargetNameLoc = importChecked(Err, D->getTargetNameLoc()); | ||||||||
2478 | auto ToNamespace = importChecked(Err, D->getNamespace()); | ||||||||
2479 | if (Err) | ||||||||
2480 | return std::move(Err); | ||||||||
2481 | |||||||||
2482 | IdentifierInfo *ToIdentifier = Importer.Import(D->getIdentifier()); | ||||||||
2483 | |||||||||
2484 | NamespaceAliasDecl *ToD; | ||||||||
2485 | if (GetImportedOrCreateDecl( | ||||||||
2486 | ToD, D, Importer.getToContext(), DC, ToNamespaceLoc, ToAliasLoc, | ||||||||
2487 | ToIdentifier, ToQualifierLoc, ToTargetNameLoc, ToNamespace)) | ||||||||
2488 | return ToD; | ||||||||
2489 | |||||||||
2490 | ToD->setLexicalDeclContext(LexicalDC); | ||||||||
2491 | LexicalDC->addDeclInternal(ToD); | ||||||||
2492 | |||||||||
2493 | return ToD; | ||||||||
2494 | } | ||||||||
2495 | |||||||||
2496 | ExpectedDecl | ||||||||
2497 | ASTNodeImporter::VisitTypedefNameDecl(TypedefNameDecl *D, bool IsAlias) { | ||||||||
2498 | // Import the major distinguishing characteristics of this typedef. | ||||||||
2499 | DeclarationName Name; | ||||||||
2500 | SourceLocation Loc; | ||||||||
2501 | NamedDecl *ToD; | ||||||||
2502 | // Do not import the DeclContext, we will import it once the TypedefNameDecl | ||||||||
2503 | // is created. | ||||||||
2504 | if (Error Err = ImportDeclParts(D, Name, ToD, Loc)) | ||||||||
2505 | return std::move(Err); | ||||||||
2506 | if (ToD) | ||||||||
2507 | return ToD; | ||||||||
2508 | |||||||||
2509 | DeclContext *DC = cast_or_null<DeclContext>( | ||||||||
2510 | Importer.GetAlreadyImportedOrNull(cast<Decl>(D->getDeclContext()))); | ||||||||
2511 | DeclContext *LexicalDC = | ||||||||
2512 | cast_or_null<DeclContext>(Importer.GetAlreadyImportedOrNull( | ||||||||
2513 | cast<Decl>(D->getLexicalDeclContext()))); | ||||||||
2514 | |||||||||
2515 | // If this typedef is not in block scope, determine whether we've | ||||||||
2516 | // seen a typedef with the same name (that we can merge with) or any | ||||||||
2517 | // other entity by that name (which name lookup could conflict with). | ||||||||
2518 | // Note: Repeated typedefs are not valid in C99: | ||||||||
2519 | // 'typedef int T; typedef int T;' is invalid | ||||||||
2520 | // We do not care about this now. | ||||||||
2521 | if (DC && !DC->isFunctionOrMethod()) { | ||||||||
2522 | SmallVector<NamedDecl *, 4> ConflictingDecls; | ||||||||
2523 | unsigned IDNS = Decl::IDNS_Ordinary; | ||||||||
2524 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
2525 | for (auto *FoundDecl : FoundDecls) { | ||||||||
2526 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | ||||||||
2527 | continue; | ||||||||
2528 | if (auto *FoundTypedef = dyn_cast<TypedefNameDecl>(FoundDecl)) { | ||||||||
2529 | if (!hasSameVisibilityContextAndLinkage(FoundTypedef, D)) | ||||||||
2530 | continue; | ||||||||
2531 | |||||||||
2532 | QualType FromUT = D->getUnderlyingType(); | ||||||||
2533 | QualType FoundUT = FoundTypedef->getUnderlyingType(); | ||||||||
2534 | if (Importer.IsStructurallyEquivalent(FromUT, FoundUT)) { | ||||||||
2535 | // If the "From" context has a complete underlying type but we | ||||||||
2536 | // already have a complete underlying type then return with that. | ||||||||
2537 | if (!FromUT->isIncompleteType() && !FoundUT->isIncompleteType()) | ||||||||
2538 | return Importer.MapImported(D, FoundTypedef); | ||||||||
2539 | // FIXME Handle redecl chain. When you do that make consistent changes | ||||||||
2540 | // in ASTImporterLookupTable too. | ||||||||
2541 | } else { | ||||||||
2542 | ConflictingDecls.push_back(FoundDecl); | ||||||||
2543 | } | ||||||||
2544 | } | ||||||||
2545 | } | ||||||||
2546 | |||||||||
2547 | if (!ConflictingDecls.empty()) { | ||||||||
2548 | ExpectedName NameOrErr = Importer.HandleNameConflict( | ||||||||
2549 | Name, DC, IDNS, ConflictingDecls.data(), ConflictingDecls.size()); | ||||||||
2550 | if (NameOrErr) | ||||||||
2551 | Name = NameOrErr.get(); | ||||||||
2552 | else | ||||||||
2553 | return NameOrErr.takeError(); | ||||||||
2554 | } | ||||||||
2555 | } | ||||||||
2556 | |||||||||
2557 | Error Err = Error::success(); | ||||||||
2558 | auto ToUnderlyingType = importChecked(Err, D->getUnderlyingType()); | ||||||||
2559 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | ||||||||
2560 | auto ToBeginLoc = importChecked(Err, D->getBeginLoc()); | ||||||||
2561 | if (Err) | ||||||||
2562 | return std::move(Err); | ||||||||
2563 | |||||||||
2564 | // Create the new typedef node. | ||||||||
2565 | // FIXME: ToUnderlyingType is not used. | ||||||||
2566 | (void)ToUnderlyingType; | ||||||||
2567 | TypedefNameDecl *ToTypedef; | ||||||||
2568 | if (IsAlias) { | ||||||||
2569 | if (GetImportedOrCreateDecl<TypeAliasDecl>( | ||||||||
2570 | ToTypedef, D, Importer.getToContext(), DC, ToBeginLoc, Loc, | ||||||||
2571 | Name.getAsIdentifierInfo(), ToTypeSourceInfo)) | ||||||||
2572 | return ToTypedef; | ||||||||
2573 | } else if (GetImportedOrCreateDecl<TypedefDecl>( | ||||||||
2574 | ToTypedef, D, Importer.getToContext(), DC, ToBeginLoc, Loc, | ||||||||
2575 | Name.getAsIdentifierInfo(), ToTypeSourceInfo)) | ||||||||
2576 | return ToTypedef; | ||||||||
2577 | |||||||||
2578 | // Import the DeclContext and set it to the Typedef. | ||||||||
2579 | if ((Err = ImportDeclContext(D, DC, LexicalDC))) | ||||||||
2580 | return std::move(Err); | ||||||||
2581 | ToTypedef->setDeclContext(DC); | ||||||||
2582 | ToTypedef->setLexicalDeclContext(LexicalDC); | ||||||||
2583 | // Add to the lookupTable because we could not do that in MapImported. | ||||||||
2584 | Importer.AddToLookupTable(ToTypedef); | ||||||||
2585 | |||||||||
2586 | ToTypedef->setAccess(D->getAccess()); | ||||||||
2587 | |||||||||
2588 | // Templated declarations should not appear in DeclContext. | ||||||||
2589 | TypeAliasDecl *FromAlias = IsAlias ? cast<TypeAliasDecl>(D) : nullptr; | ||||||||
2590 | if (!FromAlias || !FromAlias->getDescribedAliasTemplate()) | ||||||||
2591 | LexicalDC->addDeclInternal(ToTypedef); | ||||||||
2592 | |||||||||
2593 | return ToTypedef; | ||||||||
2594 | } | ||||||||
2595 | |||||||||
2596 | ExpectedDecl ASTNodeImporter::VisitTypedefDecl(TypedefDecl *D) { | ||||||||
2597 | return VisitTypedefNameDecl(D, /*IsAlias=*/false); | ||||||||
2598 | } | ||||||||
2599 | |||||||||
2600 | ExpectedDecl ASTNodeImporter::VisitTypeAliasDecl(TypeAliasDecl *D) { | ||||||||
2601 | return VisitTypedefNameDecl(D, /*IsAlias=*/true); | ||||||||
2602 | } | ||||||||
2603 | |||||||||
2604 | ExpectedDecl | ||||||||
2605 | ASTNodeImporter::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) { | ||||||||
2606 | // Import the major distinguishing characteristics of this typedef. | ||||||||
2607 | DeclContext *DC, *LexicalDC; | ||||||||
2608 | DeclarationName Name; | ||||||||
2609 | SourceLocation Loc; | ||||||||
2610 | NamedDecl *FoundD; | ||||||||
2611 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, FoundD, Loc)) | ||||||||
2612 | return std::move(Err); | ||||||||
2613 | if (FoundD) | ||||||||
2614 | return FoundD; | ||||||||
2615 | |||||||||
2616 | // If this typedef is not in block scope, determine whether we've | ||||||||
2617 | // seen a typedef with the same name (that we can merge with) or any | ||||||||
2618 | // other entity by that name (which name lookup could conflict with). | ||||||||
2619 | if (!DC->isFunctionOrMethod()) { | ||||||||
2620 | SmallVector<NamedDecl *, 4> ConflictingDecls; | ||||||||
2621 | unsigned IDNS = Decl::IDNS_Ordinary; | ||||||||
2622 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
2623 | for (auto *FoundDecl : FoundDecls) { | ||||||||
2624 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | ||||||||
2625 | continue; | ||||||||
2626 | if (auto *FoundAlias = dyn_cast<TypeAliasTemplateDecl>(FoundDecl)) | ||||||||
2627 | return Importer.MapImported(D, FoundAlias); | ||||||||
2628 | ConflictingDecls.push_back(FoundDecl); | ||||||||
2629 | } | ||||||||
2630 | |||||||||
2631 | if (!ConflictingDecls.empty()) { | ||||||||
2632 | ExpectedName NameOrErr = Importer.HandleNameConflict( | ||||||||
2633 | Name, DC, IDNS, ConflictingDecls.data(), ConflictingDecls.size()); | ||||||||
2634 | if (NameOrErr) | ||||||||
2635 | Name = NameOrErr.get(); | ||||||||
2636 | else | ||||||||
2637 | return NameOrErr.takeError(); | ||||||||
2638 | } | ||||||||
2639 | } | ||||||||
2640 | |||||||||
2641 | Error Err = Error::success(); | ||||||||
2642 | auto ToTemplateParameters = importChecked(Err, D->getTemplateParameters()); | ||||||||
2643 | auto ToTemplatedDecl = importChecked(Err, D->getTemplatedDecl()); | ||||||||
2644 | if (Err) | ||||||||
2645 | return std::move(Err); | ||||||||
2646 | |||||||||
2647 | TypeAliasTemplateDecl *ToAlias; | ||||||||
2648 | if (GetImportedOrCreateDecl(ToAlias, D, Importer.getToContext(), DC, Loc, | ||||||||
2649 | Name, ToTemplateParameters, ToTemplatedDecl)) | ||||||||
2650 | return ToAlias; | ||||||||
2651 | |||||||||
2652 | ToTemplatedDecl->setDescribedAliasTemplate(ToAlias); | ||||||||
2653 | |||||||||
2654 | ToAlias->setAccess(D->getAccess()); | ||||||||
2655 | ToAlias->setLexicalDeclContext(LexicalDC); | ||||||||
2656 | LexicalDC->addDeclInternal(ToAlias); | ||||||||
2657 | if (DC != Importer.getToContext().getTranslationUnitDecl()) | ||||||||
2658 | updateLookupTableForTemplateParameters(*ToTemplateParameters); | ||||||||
2659 | return ToAlias; | ||||||||
2660 | } | ||||||||
2661 | |||||||||
2662 | ExpectedDecl ASTNodeImporter::VisitLabelDecl(LabelDecl *D) { | ||||||||
2663 | // Import the major distinguishing characteristics of this label. | ||||||||
2664 | DeclContext *DC, *LexicalDC; | ||||||||
2665 | DeclarationName Name; | ||||||||
2666 | SourceLocation Loc; | ||||||||
2667 | NamedDecl *ToD; | ||||||||
2668 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
2669 | return std::move(Err); | ||||||||
2670 | if (ToD) | ||||||||
2671 | return ToD; | ||||||||
2672 | |||||||||
2673 | assert(LexicalDC->isFunctionOrMethod())(static_cast <bool> (LexicalDC->isFunctionOrMethod() ) ? void (0) : __assert_fail ("LexicalDC->isFunctionOrMethod()" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 2673, __extension__ __PRETTY_FUNCTION__)); | ||||||||
2674 | |||||||||
2675 | LabelDecl *ToLabel; | ||||||||
2676 | if (D->isGnuLocal()) { | ||||||||
2677 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); | ||||||||
2678 | if (!BeginLocOrErr) | ||||||||
2679 | return BeginLocOrErr.takeError(); | ||||||||
2680 | if (GetImportedOrCreateDecl(ToLabel, D, Importer.getToContext(), DC, Loc, | ||||||||
2681 | Name.getAsIdentifierInfo(), *BeginLocOrErr)) | ||||||||
2682 | return ToLabel; | ||||||||
2683 | |||||||||
2684 | } else { | ||||||||
2685 | if (GetImportedOrCreateDecl(ToLabel, D, Importer.getToContext(), DC, Loc, | ||||||||
2686 | Name.getAsIdentifierInfo())) | ||||||||
2687 | return ToLabel; | ||||||||
2688 | |||||||||
2689 | } | ||||||||
2690 | |||||||||
2691 | Expected<LabelStmt *> ToStmtOrErr = import(D->getStmt()); | ||||||||
2692 | if (!ToStmtOrErr) | ||||||||
2693 | return ToStmtOrErr.takeError(); | ||||||||
2694 | |||||||||
2695 | ToLabel->setStmt(*ToStmtOrErr); | ||||||||
2696 | ToLabel->setLexicalDeclContext(LexicalDC); | ||||||||
2697 | LexicalDC->addDeclInternal(ToLabel); | ||||||||
2698 | return ToLabel; | ||||||||
2699 | } | ||||||||
2700 | |||||||||
2701 | ExpectedDecl ASTNodeImporter::VisitEnumDecl(EnumDecl *D) { | ||||||||
2702 | // Import the major distinguishing characteristics of this enum. | ||||||||
2703 | DeclContext *DC, *LexicalDC; | ||||||||
2704 | DeclarationName Name; | ||||||||
2705 | SourceLocation Loc; | ||||||||
2706 | NamedDecl *ToD; | ||||||||
2707 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
2708 | return std::move(Err); | ||||||||
2709 | if (ToD) | ||||||||
2710 | return ToD; | ||||||||
2711 | |||||||||
2712 | // Figure out what enum name we're looking for. | ||||||||
2713 | unsigned IDNS = Decl::IDNS_Tag; | ||||||||
2714 | DeclarationName SearchName = Name; | ||||||||
2715 | if (!SearchName && D->getTypedefNameForAnonDecl()) { | ||||||||
2716 | if (Error Err = importInto( | ||||||||
2717 | SearchName, D->getTypedefNameForAnonDecl()->getDeclName())) | ||||||||
2718 | return std::move(Err); | ||||||||
2719 | IDNS = Decl::IDNS_Ordinary; | ||||||||
2720 | } else if (Importer.getToContext().getLangOpts().CPlusPlus) | ||||||||
2721 | IDNS |= Decl::IDNS_Ordinary; | ||||||||
2722 | |||||||||
2723 | // We may already have an enum of the same name; try to find and match it. | ||||||||
2724 | EnumDecl *PrevDecl = nullptr; | ||||||||
2725 | if (!DC->isFunctionOrMethod() && SearchName) { | ||||||||
2726 | SmallVector<NamedDecl *, 4> ConflictingDecls; | ||||||||
2727 | auto FoundDecls = | ||||||||
2728 | Importer.findDeclsInToCtx(DC, SearchName); | ||||||||
2729 | for (auto *FoundDecl : FoundDecls) { | ||||||||
2730 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | ||||||||
2731 | continue; | ||||||||
2732 | |||||||||
2733 | if (auto *Typedef = dyn_cast<TypedefNameDecl>(FoundDecl)) { | ||||||||
2734 | if (const auto *Tag = Typedef->getUnderlyingType()->getAs<TagType>()) | ||||||||
2735 | FoundDecl = Tag->getDecl(); | ||||||||
2736 | } | ||||||||
2737 | |||||||||
2738 | if (auto *FoundEnum = dyn_cast<EnumDecl>(FoundDecl)) { | ||||||||
2739 | if (!hasSameVisibilityContextAndLinkage(FoundEnum, D)) | ||||||||
2740 | continue; | ||||||||
2741 | if (IsStructuralMatch(D, FoundEnum)) { | ||||||||
2742 | EnumDecl *FoundDef = FoundEnum->getDefinition(); | ||||||||
2743 | if (D->isThisDeclarationADefinition() && FoundDef) | ||||||||
2744 | return Importer.MapImported(D, FoundDef); | ||||||||
2745 | PrevDecl = FoundEnum->getMostRecentDecl(); | ||||||||
2746 | break; | ||||||||
2747 | } | ||||||||
2748 | ConflictingDecls.push_back(FoundDecl); | ||||||||
2749 | } | ||||||||
2750 | } | ||||||||
2751 | |||||||||
2752 | if (!ConflictingDecls.empty()) { | ||||||||
2753 | ExpectedName NameOrErr = Importer.HandleNameConflict( | ||||||||
2754 | SearchName, DC, IDNS, ConflictingDecls.data(), | ||||||||
2755 | ConflictingDecls.size()); | ||||||||
2756 | if (NameOrErr) | ||||||||
2757 | Name = NameOrErr.get(); | ||||||||
2758 | else | ||||||||
2759 | return NameOrErr.takeError(); | ||||||||
2760 | } | ||||||||
2761 | } | ||||||||
2762 | |||||||||
2763 | Error Err = Error::success(); | ||||||||
2764 | auto ToBeginLoc = importChecked(Err, D->getBeginLoc()); | ||||||||
2765 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | ||||||||
2766 | auto ToIntegerType = importChecked(Err, D->getIntegerType()); | ||||||||
2767 | auto ToBraceRange = importChecked(Err, D->getBraceRange()); | ||||||||
2768 | if (Err) | ||||||||
2769 | return std::move(Err); | ||||||||
2770 | |||||||||
2771 | // Create the enum declaration. | ||||||||
2772 | EnumDecl *D2; | ||||||||
2773 | if (GetImportedOrCreateDecl( | ||||||||
2774 | D2, D, Importer.getToContext(), DC, ToBeginLoc, | ||||||||
2775 | Loc, Name.getAsIdentifierInfo(), PrevDecl, D->isScoped(), | ||||||||
2776 | D->isScopedUsingClassTag(), D->isFixed())) | ||||||||
2777 | return D2; | ||||||||
2778 | |||||||||
2779 | D2->setQualifierInfo(ToQualifierLoc); | ||||||||
2780 | D2->setIntegerType(ToIntegerType); | ||||||||
2781 | D2->setBraceRange(ToBraceRange); | ||||||||
2782 | D2->setAccess(D->getAccess()); | ||||||||
2783 | D2->setLexicalDeclContext(LexicalDC); | ||||||||
2784 | addDeclToContexts(D, D2); | ||||||||
2785 | |||||||||
2786 | if (MemberSpecializationInfo *MemberInfo = D->getMemberSpecializationInfo()) { | ||||||||
2787 | TemplateSpecializationKind SK = MemberInfo->getTemplateSpecializationKind(); | ||||||||
2788 | EnumDecl *FromInst = D->getInstantiatedFromMemberEnum(); | ||||||||
2789 | if (Expected<EnumDecl *> ToInstOrErr = import(FromInst)) | ||||||||
2790 | D2->setInstantiationOfMemberEnum(*ToInstOrErr, SK); | ||||||||
2791 | else | ||||||||
2792 | return ToInstOrErr.takeError(); | ||||||||
2793 | if (ExpectedSLoc POIOrErr = import(MemberInfo->getPointOfInstantiation())) | ||||||||
2794 | D2->getMemberSpecializationInfo()->setPointOfInstantiation(*POIOrErr); | ||||||||
2795 | else | ||||||||
2796 | return POIOrErr.takeError(); | ||||||||
2797 | } | ||||||||
2798 | |||||||||
2799 | // Import the definition | ||||||||
2800 | if (D->isCompleteDefinition()) | ||||||||
2801 | if (Error Err = ImportDefinition(D, D2)) | ||||||||
2802 | return std::move(Err); | ||||||||
2803 | |||||||||
2804 | return D2; | ||||||||
2805 | } | ||||||||
2806 | |||||||||
2807 | ExpectedDecl ASTNodeImporter::VisitRecordDecl(RecordDecl *D) { | ||||||||
2808 | bool IsFriendTemplate = false; | ||||||||
2809 | if (auto *DCXX = dyn_cast<CXXRecordDecl>(D)) { | ||||||||
2810 | IsFriendTemplate = | ||||||||
2811 | DCXX->getDescribedClassTemplate() && | ||||||||
2812 | DCXX->getDescribedClassTemplate()->getFriendObjectKind() != | ||||||||
2813 | Decl::FOK_None; | ||||||||
2814 | } | ||||||||
2815 | |||||||||
2816 | // Import the major distinguishing characteristics of this record. | ||||||||
2817 | DeclContext *DC = nullptr, *LexicalDC = nullptr; | ||||||||
2818 | DeclarationName Name; | ||||||||
2819 | SourceLocation Loc; | ||||||||
2820 | NamedDecl *ToD = nullptr; | ||||||||
2821 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
2822 | return std::move(Err); | ||||||||
2823 | if (ToD) | ||||||||
2824 | return ToD; | ||||||||
2825 | |||||||||
2826 | // Figure out what structure name we're looking for. | ||||||||
2827 | unsigned IDNS = Decl::IDNS_Tag; | ||||||||
2828 | DeclarationName SearchName = Name; | ||||||||
2829 | if (!SearchName && D->getTypedefNameForAnonDecl()) { | ||||||||
2830 | if (Error Err = importInto( | ||||||||
2831 | SearchName, D->getTypedefNameForAnonDecl()->getDeclName())) | ||||||||
2832 | return std::move(Err); | ||||||||
2833 | IDNS = Decl::IDNS_Ordinary; | ||||||||
2834 | } else if (Importer.getToContext().getLangOpts().CPlusPlus) | ||||||||
2835 | IDNS |= Decl::IDNS_Ordinary | Decl::IDNS_TagFriend; | ||||||||
2836 | |||||||||
2837 | // We may already have a record of the same name; try to find and match it. | ||||||||
2838 | RecordDecl *PrevDecl = nullptr; | ||||||||
2839 | if (!DC->isFunctionOrMethod() && !D->isLambda()) { | ||||||||
2840 | SmallVector<NamedDecl *, 4> ConflictingDecls; | ||||||||
2841 | auto FoundDecls = | ||||||||
2842 | Importer.findDeclsInToCtx(DC, SearchName); | ||||||||
2843 | if (!FoundDecls.empty()) { | ||||||||
2844 | // We're going to have to compare D against potentially conflicting Decls, | ||||||||
2845 | // so complete it. | ||||||||
2846 | if (D->hasExternalLexicalStorage() && !D->isCompleteDefinition()) | ||||||||
2847 | D->getASTContext().getExternalSource()->CompleteType(D); | ||||||||
2848 | } | ||||||||
2849 | |||||||||
2850 | for (auto *FoundDecl : FoundDecls) { | ||||||||
2851 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | ||||||||
2852 | continue; | ||||||||
2853 | |||||||||
2854 | Decl *Found = FoundDecl; | ||||||||
2855 | if (auto *Typedef = dyn_cast<TypedefNameDecl>(Found)) { | ||||||||
2856 | if (const auto *Tag = Typedef->getUnderlyingType()->getAs<TagType>()) | ||||||||
2857 | Found = Tag->getDecl(); | ||||||||
2858 | } | ||||||||
2859 | |||||||||
2860 | if (auto *FoundRecord = dyn_cast<RecordDecl>(Found)) { | ||||||||
2861 | // Do not emit false positive diagnostic in case of unnamed | ||||||||
2862 | // struct/union and in case of anonymous structs. Would be false | ||||||||
2863 | // because there may be several anonymous/unnamed structs in a class. | ||||||||
2864 | // E.g. these are both valid: | ||||||||
2865 | // struct A { // unnamed structs | ||||||||
2866 | // struct { struct A *next; } entry0; | ||||||||
2867 | // struct { struct A *next; } entry1; | ||||||||
2868 | // }; | ||||||||
2869 | // struct X { struct { int a; }; struct { int b; }; }; // anon structs | ||||||||
2870 | if (!SearchName) | ||||||||
2871 | if (!IsStructuralMatch(D, FoundRecord, false)) | ||||||||
2872 | continue; | ||||||||
2873 | |||||||||
2874 | if (!hasSameVisibilityContextAndLinkage(FoundRecord, D)) | ||||||||
2875 | continue; | ||||||||
2876 | |||||||||
2877 | if (IsStructuralMatch(D, FoundRecord)) { | ||||||||
2878 | RecordDecl *FoundDef = FoundRecord->getDefinition(); | ||||||||
2879 | if (D->isThisDeclarationADefinition() && FoundDef) { | ||||||||
2880 | // FIXME: Structural equivalence check should check for same | ||||||||
2881 | // user-defined methods. | ||||||||
2882 | Importer.MapImported(D, FoundDef); | ||||||||
2883 | if (const auto *DCXX = dyn_cast<CXXRecordDecl>(D)) { | ||||||||
2884 | auto *FoundCXX = dyn_cast<CXXRecordDecl>(FoundDef); | ||||||||
2885 | assert(FoundCXX && "Record type mismatch")(static_cast <bool> (FoundCXX && "Record type mismatch" ) ? void (0) : __assert_fail ("FoundCXX && \"Record type mismatch\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 2885, __extension__ __PRETTY_FUNCTION__)); | ||||||||
2886 | |||||||||
2887 | if (!Importer.isMinimalImport()) | ||||||||
2888 | // FoundDef may not have every implicit method that D has | ||||||||
2889 | // because implicit methods are created only if they are used. | ||||||||
2890 | if (Error Err = ImportImplicitMethods(DCXX, FoundCXX)) | ||||||||
2891 | return std::move(Err); | ||||||||
2892 | } | ||||||||
2893 | } | ||||||||
2894 | PrevDecl = FoundRecord->getMostRecentDecl(); | ||||||||
2895 | break; | ||||||||
2896 | } | ||||||||
2897 | ConflictingDecls.push_back(FoundDecl); | ||||||||
2898 | } // kind is RecordDecl | ||||||||
2899 | } // for | ||||||||
2900 | |||||||||
2901 | if (!ConflictingDecls.empty() && SearchName) { | ||||||||
2902 | ExpectedName NameOrErr = Importer.HandleNameConflict( | ||||||||
2903 | SearchName, DC, IDNS, ConflictingDecls.data(), | ||||||||
2904 | ConflictingDecls.size()); | ||||||||
2905 | if (NameOrErr) | ||||||||
2906 | Name = NameOrErr.get(); | ||||||||
2907 | else | ||||||||
2908 | return NameOrErr.takeError(); | ||||||||
2909 | } | ||||||||
2910 | } | ||||||||
2911 | |||||||||
2912 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); | ||||||||
2913 | if (!BeginLocOrErr) | ||||||||
2914 | return BeginLocOrErr.takeError(); | ||||||||
2915 | |||||||||
2916 | // Create the record declaration. | ||||||||
2917 | RecordDecl *D2 = nullptr; | ||||||||
2918 | CXXRecordDecl *D2CXX = nullptr; | ||||||||
2919 | if (auto *DCXX = dyn_cast<CXXRecordDecl>(D)) { | ||||||||
2920 | if (DCXX->isLambda()) { | ||||||||
2921 | auto TInfoOrErr = import(DCXX->getLambdaTypeInfo()); | ||||||||
2922 | if (!TInfoOrErr) | ||||||||
2923 | return TInfoOrErr.takeError(); | ||||||||
2924 | if (GetImportedOrCreateSpecialDecl( | ||||||||
2925 | D2CXX, CXXRecordDecl::CreateLambda, D, Importer.getToContext(), | ||||||||
2926 | DC, *TInfoOrErr, Loc, DCXX->isDependentLambda(), | ||||||||
2927 | DCXX->isGenericLambda(), DCXX->getLambdaCaptureDefault())) | ||||||||
2928 | return D2CXX; | ||||||||
2929 | ExpectedDecl CDeclOrErr = import(DCXX->getLambdaContextDecl()); | ||||||||
2930 | if (!CDeclOrErr) | ||||||||
2931 | return CDeclOrErr.takeError(); | ||||||||
2932 | D2CXX->setLambdaMangling(DCXX->getLambdaManglingNumber(), *CDeclOrErr, | ||||||||
2933 | DCXX->hasKnownLambdaInternalLinkage()); | ||||||||
2934 | D2CXX->setDeviceLambdaManglingNumber( | ||||||||
2935 | DCXX->getDeviceLambdaManglingNumber()); | ||||||||
2936 | } else if (DCXX->isInjectedClassName()) { | ||||||||
2937 | // We have to be careful to do a similar dance to the one in | ||||||||
2938 | // Sema::ActOnStartCXXMemberDeclarations | ||||||||
2939 | const bool DelayTypeCreation = true; | ||||||||
2940 | if (GetImportedOrCreateDecl( | ||||||||
2941 | D2CXX, D, Importer.getToContext(), D->getTagKind(), DC, | ||||||||
2942 | *BeginLocOrErr, Loc, Name.getAsIdentifierInfo(), | ||||||||
2943 | cast_or_null<CXXRecordDecl>(PrevDecl), DelayTypeCreation)) | ||||||||
2944 | return D2CXX; | ||||||||
2945 | Importer.getToContext().getTypeDeclType( | ||||||||
2946 | D2CXX, dyn_cast<CXXRecordDecl>(DC)); | ||||||||
2947 | } else { | ||||||||
2948 | if (GetImportedOrCreateDecl(D2CXX, D, Importer.getToContext(), | ||||||||
2949 | D->getTagKind(), DC, *BeginLocOrErr, Loc, | ||||||||
2950 | Name.getAsIdentifierInfo(), | ||||||||
2951 | cast_or_null<CXXRecordDecl>(PrevDecl))) | ||||||||
2952 | return D2CXX; | ||||||||
2953 | } | ||||||||
2954 | |||||||||
2955 | D2 = D2CXX; | ||||||||
2956 | D2->setAccess(D->getAccess()); | ||||||||
2957 | D2->setLexicalDeclContext(LexicalDC); | ||||||||
2958 | addDeclToContexts(D, D2); | ||||||||
2959 | |||||||||
2960 | if (ClassTemplateDecl *FromDescribed = | ||||||||
2961 | DCXX->getDescribedClassTemplate()) { | ||||||||
2962 | ClassTemplateDecl *ToDescribed; | ||||||||
2963 | if (Error Err = importInto(ToDescribed, FromDescribed)) | ||||||||
2964 | return std::move(Err); | ||||||||
2965 | D2CXX->setDescribedClassTemplate(ToDescribed); | ||||||||
2966 | if (!DCXX->isInjectedClassName() && !IsFriendTemplate) { | ||||||||
2967 | // In a record describing a template the type should be an | ||||||||
2968 | // InjectedClassNameType (see Sema::CheckClassTemplate). Update the | ||||||||
2969 | // previously set type to the correct value here (ToDescribed is not | ||||||||
2970 | // available at record create). | ||||||||
2971 | // FIXME: The previous type is cleared but not removed from | ||||||||
2972 | // ASTContext's internal storage. | ||||||||
2973 | CXXRecordDecl *Injected = nullptr; | ||||||||
2974 | for (NamedDecl *Found : D2CXX->noload_lookup(Name)) { | ||||||||
2975 | auto *Record = dyn_cast<CXXRecordDecl>(Found); | ||||||||
2976 | if (Record && Record->isInjectedClassName()) { | ||||||||
2977 | Injected = Record; | ||||||||
2978 | break; | ||||||||
2979 | } | ||||||||
2980 | } | ||||||||
2981 | // Create an injected type for the whole redecl chain. | ||||||||
2982 | SmallVector<Decl *, 2> Redecls = | ||||||||
2983 | getCanonicalForwardRedeclChain(D2CXX); | ||||||||
2984 | for (auto *R : Redecls) { | ||||||||
2985 | auto *RI = cast<CXXRecordDecl>(R); | ||||||||
2986 | RI->setTypeForDecl(nullptr); | ||||||||
2987 | // Below we create a new injected type and assign that to the | ||||||||
2988 | // canonical decl, subsequent declarations in the chain will reuse | ||||||||
2989 | // that type. | ||||||||
2990 | Importer.getToContext().getInjectedClassNameType( | ||||||||
2991 | RI, ToDescribed->getInjectedClassNameSpecialization()); | ||||||||
2992 | } | ||||||||
2993 | // Set the new type for the previous injected decl too. | ||||||||
2994 | if (Injected) { | ||||||||
2995 | Injected->setTypeForDecl(nullptr); | ||||||||
2996 | Importer.getToContext().getTypeDeclType(Injected, D2CXX); | ||||||||
2997 | } | ||||||||
2998 | } | ||||||||
2999 | } else if (MemberSpecializationInfo *MemberInfo = | ||||||||
3000 | DCXX->getMemberSpecializationInfo()) { | ||||||||
3001 | TemplateSpecializationKind SK = | ||||||||
3002 | MemberInfo->getTemplateSpecializationKind(); | ||||||||
3003 | CXXRecordDecl *FromInst = DCXX->getInstantiatedFromMemberClass(); | ||||||||
3004 | |||||||||
3005 | if (Expected<CXXRecordDecl *> ToInstOrErr = import(FromInst)) | ||||||||
3006 | D2CXX->setInstantiationOfMemberClass(*ToInstOrErr, SK); | ||||||||
3007 | else | ||||||||
3008 | return ToInstOrErr.takeError(); | ||||||||
3009 | |||||||||
3010 | if (ExpectedSLoc POIOrErr = | ||||||||
3011 | import(MemberInfo->getPointOfInstantiation())) | ||||||||
3012 | D2CXX->getMemberSpecializationInfo()->setPointOfInstantiation( | ||||||||
3013 | *POIOrErr); | ||||||||
3014 | else | ||||||||
3015 | return POIOrErr.takeError(); | ||||||||
3016 | } | ||||||||
3017 | |||||||||
3018 | } else { | ||||||||
3019 | if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), | ||||||||
3020 | D->getTagKind(), DC, *BeginLocOrErr, Loc, | ||||||||
3021 | Name.getAsIdentifierInfo(), PrevDecl)) | ||||||||
3022 | return D2; | ||||||||
3023 | D2->setLexicalDeclContext(LexicalDC); | ||||||||
3024 | addDeclToContexts(D, D2); | ||||||||
3025 | } | ||||||||
3026 | |||||||||
3027 | if (auto BraceRangeOrErr = import(D->getBraceRange())) | ||||||||
3028 | D2->setBraceRange(*BraceRangeOrErr); | ||||||||
3029 | else | ||||||||
3030 | return BraceRangeOrErr.takeError(); | ||||||||
3031 | if (auto QualifierLocOrErr = import(D->getQualifierLoc())) | ||||||||
3032 | D2->setQualifierInfo(*QualifierLocOrErr); | ||||||||
3033 | else | ||||||||
3034 | return QualifierLocOrErr.takeError(); | ||||||||
3035 | |||||||||
3036 | if (D->isAnonymousStructOrUnion()) | ||||||||
3037 | D2->setAnonymousStructOrUnion(true); | ||||||||
3038 | |||||||||
3039 | if (D->isCompleteDefinition()) | ||||||||
3040 | if (Error Err = ImportDefinition(D, D2, IDK_Default)) | ||||||||
3041 | return std::move(Err); | ||||||||
3042 | |||||||||
3043 | return D2; | ||||||||
3044 | } | ||||||||
3045 | |||||||||
3046 | ExpectedDecl ASTNodeImporter::VisitEnumConstantDecl(EnumConstantDecl *D) { | ||||||||
3047 | // Import the major distinguishing characteristics of this enumerator. | ||||||||
3048 | DeclContext *DC, *LexicalDC; | ||||||||
3049 | DeclarationName Name; | ||||||||
3050 | SourceLocation Loc; | ||||||||
3051 | NamedDecl *ToD; | ||||||||
3052 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
3053 | return std::move(Err); | ||||||||
3054 | if (ToD) | ||||||||
3055 | return ToD; | ||||||||
3056 | |||||||||
3057 | // Determine whether there are any other declarations with the same name and | ||||||||
3058 | // in the same context. | ||||||||
3059 | if (!LexicalDC->isFunctionOrMethod()) { | ||||||||
3060 | SmallVector<NamedDecl *, 4> ConflictingDecls; | ||||||||
3061 | unsigned IDNS = Decl::IDNS_Ordinary; | ||||||||
3062 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
3063 | for (auto *FoundDecl : FoundDecls) { | ||||||||
3064 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | ||||||||
3065 | continue; | ||||||||
3066 | |||||||||
3067 | if (auto *FoundEnumConstant = dyn_cast<EnumConstantDecl>(FoundDecl)) { | ||||||||
3068 | if (IsStructuralMatch(D, FoundEnumConstant)) | ||||||||
3069 | return Importer.MapImported(D, FoundEnumConstant); | ||||||||
3070 | ConflictingDecls.push_back(FoundDecl); | ||||||||
3071 | } | ||||||||
3072 | } | ||||||||
3073 | |||||||||
3074 | if (!ConflictingDecls.empty()) { | ||||||||
3075 | ExpectedName NameOrErr = Importer.HandleNameConflict( | ||||||||
3076 | Name, DC, IDNS, ConflictingDecls.data(), ConflictingDecls.size()); | ||||||||
3077 | if (NameOrErr) | ||||||||
3078 | Name = NameOrErr.get(); | ||||||||
3079 | else | ||||||||
3080 | return NameOrErr.takeError(); | ||||||||
3081 | } | ||||||||
3082 | } | ||||||||
3083 | |||||||||
3084 | ExpectedType TypeOrErr = import(D->getType()); | ||||||||
3085 | if (!TypeOrErr) | ||||||||
3086 | return TypeOrErr.takeError(); | ||||||||
3087 | |||||||||
3088 | ExpectedExpr InitOrErr = import(D->getInitExpr()); | ||||||||
3089 | if (!InitOrErr) | ||||||||
3090 | return InitOrErr.takeError(); | ||||||||
3091 | |||||||||
3092 | EnumConstantDecl *ToEnumerator; | ||||||||
3093 | if (GetImportedOrCreateDecl( | ||||||||
3094 | ToEnumerator, D, Importer.getToContext(), cast<EnumDecl>(DC), Loc, | ||||||||
3095 | Name.getAsIdentifierInfo(), *TypeOrErr, *InitOrErr, D->getInitVal())) | ||||||||
3096 | return ToEnumerator; | ||||||||
3097 | |||||||||
3098 | ToEnumerator->setAccess(D->getAccess()); | ||||||||
3099 | ToEnumerator->setLexicalDeclContext(LexicalDC); | ||||||||
3100 | LexicalDC->addDeclInternal(ToEnumerator); | ||||||||
3101 | return ToEnumerator; | ||||||||
3102 | } | ||||||||
3103 | |||||||||
3104 | Error ASTNodeImporter::ImportTemplateParameterLists(const DeclaratorDecl *FromD, | ||||||||
3105 | DeclaratorDecl *ToD) { | ||||||||
3106 | unsigned int Num = FromD->getNumTemplateParameterLists(); | ||||||||
3107 | if (Num == 0) | ||||||||
3108 | return Error::success(); | ||||||||
3109 | SmallVector<TemplateParameterList *, 2> ToTPLists(Num); | ||||||||
3110 | for (unsigned int I = 0; I < Num; ++I) | ||||||||
3111 | if (Expected<TemplateParameterList *> ToTPListOrErr = | ||||||||
3112 | import(FromD->getTemplateParameterList(I))) | ||||||||
3113 | ToTPLists[I] = *ToTPListOrErr; | ||||||||
3114 | else | ||||||||
3115 | return ToTPListOrErr.takeError(); | ||||||||
3116 | ToD->setTemplateParameterListsInfo(Importer.ToContext, ToTPLists); | ||||||||
3117 | return Error::success(); | ||||||||
3118 | } | ||||||||
3119 | |||||||||
3120 | Error ASTNodeImporter::ImportTemplateInformation( | ||||||||
3121 | FunctionDecl *FromFD, FunctionDecl *ToFD) { | ||||||||
3122 | switch (FromFD->getTemplatedKind()) { | ||||||||
3123 | case FunctionDecl::TK_NonTemplate: | ||||||||
3124 | case FunctionDecl::TK_FunctionTemplate: | ||||||||
3125 | return Error::success(); | ||||||||
3126 | |||||||||
3127 | case FunctionDecl::TK_MemberSpecialization: { | ||||||||
3128 | TemplateSpecializationKind TSK = FromFD->getTemplateSpecializationKind(); | ||||||||
3129 | |||||||||
3130 | if (Expected<FunctionDecl *> InstFDOrErr = | ||||||||
3131 | import(FromFD->getInstantiatedFromMemberFunction())) | ||||||||
3132 | ToFD->setInstantiationOfMemberFunction(*InstFDOrErr, TSK); | ||||||||
3133 | else | ||||||||
3134 | return InstFDOrErr.takeError(); | ||||||||
3135 | |||||||||
3136 | if (ExpectedSLoc POIOrErr = import( | ||||||||
3137 | FromFD->getMemberSpecializationInfo()->getPointOfInstantiation())) | ||||||||
3138 | ToFD->getMemberSpecializationInfo()->setPointOfInstantiation(*POIOrErr); | ||||||||
3139 | else | ||||||||
3140 | return POIOrErr.takeError(); | ||||||||
3141 | |||||||||
3142 | return Error::success(); | ||||||||
3143 | } | ||||||||
3144 | |||||||||
3145 | case FunctionDecl::TK_FunctionTemplateSpecialization: { | ||||||||
3146 | auto FunctionAndArgsOrErr = | ||||||||
3147 | ImportFunctionTemplateWithTemplateArgsFromSpecialization(FromFD); | ||||||||
3148 | if (!FunctionAndArgsOrErr) | ||||||||
3149 | return FunctionAndArgsOrErr.takeError(); | ||||||||
3150 | |||||||||
3151 | TemplateArgumentList *ToTAList = TemplateArgumentList::CreateCopy( | ||||||||
3152 | Importer.getToContext(), std::get<1>(*FunctionAndArgsOrErr)); | ||||||||
3153 | |||||||||
3154 | auto *FTSInfo = FromFD->getTemplateSpecializationInfo(); | ||||||||
3155 | TemplateArgumentListInfo ToTAInfo; | ||||||||
3156 | const auto *FromTAArgsAsWritten = FTSInfo->TemplateArgumentsAsWritten; | ||||||||
3157 | if (FromTAArgsAsWritten) | ||||||||
3158 | if (Error Err = ImportTemplateArgumentListInfo( | ||||||||
3159 | *FromTAArgsAsWritten, ToTAInfo)) | ||||||||
3160 | return Err; | ||||||||
3161 | |||||||||
3162 | ExpectedSLoc POIOrErr = import(FTSInfo->getPointOfInstantiation()); | ||||||||
3163 | if (!POIOrErr) | ||||||||
3164 | return POIOrErr.takeError(); | ||||||||
3165 | |||||||||
3166 | if (Error Err = ImportTemplateParameterLists(FromFD, ToFD)) | ||||||||
3167 | return Err; | ||||||||
3168 | |||||||||
3169 | TemplateSpecializationKind TSK = FTSInfo->getTemplateSpecializationKind(); | ||||||||
3170 | ToFD->setFunctionTemplateSpecialization( | ||||||||
3171 | std::get<0>(*FunctionAndArgsOrErr), ToTAList, /* InsertPos= */ nullptr, | ||||||||
3172 | TSK, FromTAArgsAsWritten ? &ToTAInfo : nullptr, *POIOrErr); | ||||||||
3173 | return Error::success(); | ||||||||
3174 | } | ||||||||
3175 | |||||||||
3176 | case FunctionDecl::TK_DependentFunctionTemplateSpecialization: { | ||||||||
3177 | auto *FromInfo = FromFD->getDependentSpecializationInfo(); | ||||||||
3178 | UnresolvedSet<8> TemplDecls; | ||||||||
3179 | unsigned NumTemplates = FromInfo->getNumTemplates(); | ||||||||
3180 | for (unsigned I = 0; I < NumTemplates; I++) { | ||||||||
3181 | if (Expected<FunctionTemplateDecl *> ToFTDOrErr = | ||||||||
3182 | import(FromInfo->getTemplate(I))) | ||||||||
3183 | TemplDecls.addDecl(*ToFTDOrErr); | ||||||||
3184 | else | ||||||||
3185 | return ToFTDOrErr.takeError(); | ||||||||
3186 | } | ||||||||
3187 | |||||||||
3188 | // Import TemplateArgumentListInfo. | ||||||||
3189 | TemplateArgumentListInfo ToTAInfo; | ||||||||
3190 | if (Error Err = ImportTemplateArgumentListInfo( | ||||||||
3191 | FromInfo->getLAngleLoc(), FromInfo->getRAngleLoc(), | ||||||||
3192 | llvm::makeArrayRef( | ||||||||
3193 | FromInfo->getTemplateArgs(), FromInfo->getNumTemplateArgs()), | ||||||||
3194 | ToTAInfo)) | ||||||||
3195 | return Err; | ||||||||
3196 | |||||||||
3197 | ToFD->setDependentTemplateSpecialization(Importer.getToContext(), | ||||||||
3198 | TemplDecls, ToTAInfo); | ||||||||
3199 | return Error::success(); | ||||||||
3200 | } | ||||||||
3201 | } | ||||||||
3202 | llvm_unreachable("All cases should be covered!")::llvm::llvm_unreachable_internal("All cases should be covered!" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3202); | ||||||||
3203 | } | ||||||||
3204 | |||||||||
3205 | Expected<FunctionDecl *> | ||||||||
3206 | ASTNodeImporter::FindFunctionTemplateSpecialization(FunctionDecl *FromFD) { | ||||||||
3207 | auto FunctionAndArgsOrErr = | ||||||||
3208 | ImportFunctionTemplateWithTemplateArgsFromSpecialization(FromFD); | ||||||||
3209 | if (!FunctionAndArgsOrErr) | ||||||||
3210 | return FunctionAndArgsOrErr.takeError(); | ||||||||
3211 | |||||||||
3212 | FunctionTemplateDecl *Template; | ||||||||
3213 | TemplateArgsTy ToTemplArgs; | ||||||||
3214 | std::tie(Template, ToTemplArgs) = *FunctionAndArgsOrErr; | ||||||||
3215 | void *InsertPos = nullptr; | ||||||||
3216 | auto *FoundSpec = Template->findSpecialization(ToTemplArgs, InsertPos); | ||||||||
3217 | return FoundSpec; | ||||||||
3218 | } | ||||||||
3219 | |||||||||
3220 | Error ASTNodeImporter::ImportFunctionDeclBody(FunctionDecl *FromFD, | ||||||||
3221 | FunctionDecl *ToFD) { | ||||||||
3222 | if (Stmt *FromBody = FromFD->getBody()) { | ||||||||
3223 | if (ExpectedStmt ToBodyOrErr = import(FromBody)) | ||||||||
3224 | ToFD->setBody(*ToBodyOrErr); | ||||||||
3225 | else | ||||||||
3226 | return ToBodyOrErr.takeError(); | ||||||||
3227 | } | ||||||||
3228 | return Error::success(); | ||||||||
3229 | } | ||||||||
3230 | |||||||||
3231 | // Returns true if the given D has a DeclContext up to the TranslationUnitDecl | ||||||||
3232 | // which is equal to the given DC. | ||||||||
3233 | static bool isAncestorDeclContextOf(const DeclContext *DC, const Decl *D) { | ||||||||
3234 | const DeclContext *DCi = D->getDeclContext(); | ||||||||
3235 | while (DCi != D->getTranslationUnitDecl()) { | ||||||||
3236 | if (DCi == DC) | ||||||||
3237 | return true; | ||||||||
3238 | DCi = DCi->getParent(); | ||||||||
3239 | } | ||||||||
3240 | return false; | ||||||||
3241 | } | ||||||||
3242 | |||||||||
3243 | bool ASTNodeImporter::hasAutoReturnTypeDeclaredInside(FunctionDecl *D) { | ||||||||
3244 | QualType FromTy = D->getType(); | ||||||||
3245 | const FunctionProtoType *FromFPT = FromTy->getAs<FunctionProtoType>(); | ||||||||
3246 | assert(FromFPT && "Must be called on FunctionProtoType")(static_cast <bool> (FromFPT && "Must be called on FunctionProtoType" ) ? void (0) : __assert_fail ("FromFPT && \"Must be called on FunctionProtoType\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3246, __extension__ __PRETTY_FUNCTION__)); | ||||||||
3247 | if (AutoType *AutoT = FromFPT->getReturnType()->getContainedAutoType()) { | ||||||||
3248 | QualType DeducedT = AutoT->getDeducedType(); | ||||||||
3249 | if (const RecordType *RecordT = | ||||||||
3250 | DeducedT.isNull() ? nullptr : dyn_cast<RecordType>(DeducedT)) { | ||||||||
3251 | RecordDecl *RD = RecordT->getDecl(); | ||||||||
3252 | assert(RD)(static_cast <bool> (RD) ? void (0) : __assert_fail ("RD" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3252, __extension__ __PRETTY_FUNCTION__)); | ||||||||
3253 | if (isAncestorDeclContextOf(D, RD)) { | ||||||||
3254 | assert(RD->getLexicalDeclContext() == RD->getDeclContext())(static_cast <bool> (RD->getLexicalDeclContext() == RD ->getDeclContext()) ? void (0) : __assert_fail ("RD->getLexicalDeclContext() == RD->getDeclContext()" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3254, __extension__ __PRETTY_FUNCTION__)); | ||||||||
3255 | return true; | ||||||||
3256 | } | ||||||||
3257 | } | ||||||||
3258 | } | ||||||||
3259 | if (const TypedefType *TypedefT = | ||||||||
3260 | dyn_cast<TypedefType>(FromFPT->getReturnType())) { | ||||||||
3261 | TypedefNameDecl *TD = TypedefT->getDecl(); | ||||||||
3262 | assert(TD)(static_cast <bool> (TD) ? void (0) : __assert_fail ("TD" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3262, __extension__ __PRETTY_FUNCTION__)); | ||||||||
3263 | if (isAncestorDeclContextOf(D, TD)) { | ||||||||
3264 | assert(TD->getLexicalDeclContext() == TD->getDeclContext())(static_cast <bool> (TD->getLexicalDeclContext() == TD ->getDeclContext()) ? void (0) : __assert_fail ("TD->getLexicalDeclContext() == TD->getDeclContext()" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3264, __extension__ __PRETTY_FUNCTION__)); | ||||||||
3265 | return true; | ||||||||
3266 | } | ||||||||
3267 | } | ||||||||
3268 | return false; | ||||||||
3269 | } | ||||||||
3270 | |||||||||
3271 | ExplicitSpecifier | ||||||||
3272 | ASTNodeImporter::importExplicitSpecifier(Error &Err, ExplicitSpecifier ESpec) { | ||||||||
3273 | Expr *ExplicitExpr = ESpec.getExpr(); | ||||||||
3274 | if (ExplicitExpr) | ||||||||
3275 | ExplicitExpr = importChecked(Err, ESpec.getExpr()); | ||||||||
3276 | return ExplicitSpecifier(ExplicitExpr, ESpec.getKind()); | ||||||||
3277 | } | ||||||||
3278 | |||||||||
3279 | ExpectedDecl ASTNodeImporter::VisitFunctionDecl(FunctionDecl *D) { | ||||||||
3280 | |||||||||
3281 | SmallVector<Decl *, 2> Redecls = getCanonicalForwardRedeclChain(D); | ||||||||
3282 | auto RedeclIt = Redecls.begin(); | ||||||||
3283 | // Import the first part of the decl chain. I.e. import all previous | ||||||||
3284 | // declarations starting from the canonical decl. | ||||||||
3285 | for (; RedeclIt != Redecls.end() && *RedeclIt != D; ++RedeclIt) { | ||||||||
3286 | ExpectedDecl ToRedeclOrErr = import(*RedeclIt); | ||||||||
3287 | if (!ToRedeclOrErr) | ||||||||
3288 | return ToRedeclOrErr.takeError(); | ||||||||
3289 | } | ||||||||
3290 | assert(*RedeclIt == D)(static_cast <bool> (*RedeclIt == D) ? void (0) : __assert_fail ("*RedeclIt == D", "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3290, __extension__ __PRETTY_FUNCTION__)); | ||||||||
3291 | |||||||||
3292 | // Import the major distinguishing characteristics of this function. | ||||||||
3293 | DeclContext *DC, *LexicalDC; | ||||||||
3294 | DeclarationName Name; | ||||||||
3295 | SourceLocation Loc; | ||||||||
3296 | NamedDecl *ToD; | ||||||||
3297 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
3298 | return std::move(Err); | ||||||||
3299 | if (ToD) | ||||||||
3300 | return ToD; | ||||||||
3301 | |||||||||
3302 | FunctionDecl *FoundByLookup = nullptr; | ||||||||
3303 | FunctionTemplateDecl *FromFT = D->getDescribedFunctionTemplate(); | ||||||||
3304 | |||||||||
3305 | // If this is a function template specialization, then try to find the same | ||||||||
3306 | // existing specialization in the "to" context. The lookup below will not | ||||||||
3307 | // find any specialization, but would find the primary template; thus, we | ||||||||
3308 | // have to skip normal lookup in case of specializations. | ||||||||
3309 | // FIXME handle member function templates (TK_MemberSpecialization) similarly? | ||||||||
3310 | if (D->getTemplatedKind() == | ||||||||
3311 | FunctionDecl::TK_FunctionTemplateSpecialization) { | ||||||||
3312 | auto FoundFunctionOrErr = FindFunctionTemplateSpecialization(D); | ||||||||
3313 | if (!FoundFunctionOrErr) | ||||||||
3314 | return FoundFunctionOrErr.takeError(); | ||||||||
3315 | if (FunctionDecl *FoundFunction = *FoundFunctionOrErr) { | ||||||||
3316 | if (Decl *Def = FindAndMapDefinition(D, FoundFunction)) | ||||||||
3317 | return Def; | ||||||||
3318 | FoundByLookup = FoundFunction; | ||||||||
3319 | } | ||||||||
3320 | } | ||||||||
3321 | // Try to find a function in our own ("to") context with the same name, same | ||||||||
3322 | // type, and in the same context as the function we're importing. | ||||||||
3323 | else if (!LexicalDC->isFunctionOrMethod()) { | ||||||||
3324 | SmallVector<NamedDecl *, 4> ConflictingDecls; | ||||||||
3325 | unsigned IDNS = Decl::IDNS_Ordinary | Decl::IDNS_OrdinaryFriend; | ||||||||
3326 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
3327 | for (auto *FoundDecl : FoundDecls) { | ||||||||
3328 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | ||||||||
3329 | continue; | ||||||||
3330 | |||||||||
3331 | if (auto *FoundFunction = dyn_cast<FunctionDecl>(FoundDecl)) { | ||||||||
3332 | if (!hasSameVisibilityContextAndLinkage(FoundFunction, D)) | ||||||||
3333 | continue; | ||||||||
3334 | |||||||||
3335 | if (IsStructuralMatch(D, FoundFunction)) { | ||||||||
3336 | if (Decl *Def = FindAndMapDefinition(D, FoundFunction)) | ||||||||
3337 | return Def; | ||||||||
3338 | FoundByLookup = FoundFunction; | ||||||||
3339 | break; | ||||||||
3340 | } | ||||||||
3341 | // FIXME: Check for overloading more carefully, e.g., by boosting | ||||||||
3342 | // Sema::IsOverload out to the AST library. | ||||||||
3343 | |||||||||
3344 | // Function overloading is okay in C++. | ||||||||
3345 | if (Importer.getToContext().getLangOpts().CPlusPlus) | ||||||||
3346 | continue; | ||||||||
3347 | |||||||||
3348 | // Complain about inconsistent function types. | ||||||||
3349 | Importer.ToDiag(Loc, diag::warn_odr_function_type_inconsistent) | ||||||||
3350 | << Name << D->getType() << FoundFunction->getType(); | ||||||||
3351 | Importer.ToDiag(FoundFunction->getLocation(), diag::note_odr_value_here) | ||||||||
3352 | << FoundFunction->getType(); | ||||||||
3353 | ConflictingDecls.push_back(FoundDecl); | ||||||||
3354 | } | ||||||||
3355 | } | ||||||||
3356 | |||||||||
3357 | if (!ConflictingDecls.empty()) { | ||||||||
3358 | ExpectedName NameOrErr = Importer.HandleNameConflict( | ||||||||
3359 | Name, DC, IDNS, ConflictingDecls.data(), ConflictingDecls.size()); | ||||||||
3360 | if (NameOrErr) | ||||||||
3361 | Name = NameOrErr.get(); | ||||||||
3362 | else | ||||||||
3363 | return NameOrErr.takeError(); | ||||||||
3364 | } | ||||||||
3365 | } | ||||||||
3366 | |||||||||
3367 | // We do not allow more than one in-class declaration of a function. This is | ||||||||
3368 | // because AST clients like VTableBuilder asserts on this. VTableBuilder | ||||||||
3369 | // assumes there is only one in-class declaration. Building a redecl | ||||||||
3370 | // chain would result in more than one in-class declaration for | ||||||||
3371 | // overrides (even if they are part of the same redecl chain inside the | ||||||||
3372 | // derived class.) | ||||||||
3373 | if (FoundByLookup) { | ||||||||
3374 | if (isa<CXXMethodDecl>(FoundByLookup)) { | ||||||||
3375 | if (D->getLexicalDeclContext() == D->getDeclContext()) { | ||||||||
3376 | if (!D->doesThisDeclarationHaveABody()) { | ||||||||
3377 | if (FunctionTemplateDecl *DescribedD = | ||||||||
3378 | D->getDescribedFunctionTemplate()) { | ||||||||
3379 | // Handle a "templated" function together with its described | ||||||||
3380 | // template. This avoids need for a similar check at import of the | ||||||||
3381 | // described template. | ||||||||
3382 | assert(FoundByLookup->getDescribedFunctionTemplate() &&(static_cast <bool> (FoundByLookup->getDescribedFunctionTemplate () && "Templated function mapped to non-templated?") ? void (0) : __assert_fail ("FoundByLookup->getDescribedFunctionTemplate() && \"Templated function mapped to non-templated?\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3383, __extension__ __PRETTY_FUNCTION__)) | ||||||||
3383 | "Templated function mapped to non-templated?")(static_cast <bool> (FoundByLookup->getDescribedFunctionTemplate () && "Templated function mapped to non-templated?") ? void (0) : __assert_fail ("FoundByLookup->getDescribedFunctionTemplate() && \"Templated function mapped to non-templated?\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3383, __extension__ __PRETTY_FUNCTION__)); | ||||||||
3384 | Importer.MapImported(DescribedD, | ||||||||
3385 | FoundByLookup->getDescribedFunctionTemplate()); | ||||||||
3386 | } | ||||||||
3387 | return Importer.MapImported(D, FoundByLookup); | ||||||||
3388 | } else { | ||||||||
3389 | // Let's continue and build up the redecl chain in this case. | ||||||||
3390 | // FIXME Merge the functions into one decl. | ||||||||
3391 | } | ||||||||
3392 | } | ||||||||
3393 | } | ||||||||
3394 | } | ||||||||
3395 | |||||||||
3396 | DeclarationNameInfo NameInfo(Name, Loc); | ||||||||
3397 | // Import additional name location/type info. | ||||||||
3398 | if (Error Err = ImportDeclarationNameLoc(D->getNameInfo(), NameInfo)) | ||||||||
3399 | return std::move(Err); | ||||||||
3400 | |||||||||
3401 | QualType FromTy = D->getType(); | ||||||||
3402 | // Set to true if we do not import the type of the function as is. There are | ||||||||
3403 | // cases when the original type would result in an infinite recursion during | ||||||||
3404 | // the import. To avoid an infinite recursion when importing, we create the | ||||||||
3405 | // FunctionDecl with a simplified function type and update it only after the | ||||||||
3406 | // relevant AST nodes are already imported. | ||||||||
3407 | bool UsedDifferentProtoType = false; | ||||||||
3408 | if (const auto *FromFPT = FromTy->getAs<FunctionProtoType>()) { | ||||||||
3409 | QualType FromReturnTy = FromFPT->getReturnType(); | ||||||||
3410 | // Functions with auto return type may define a struct inside their body | ||||||||
3411 | // and the return type could refer to that struct. | ||||||||
3412 | // E.g.: auto foo() { struct X{}; return X(); } | ||||||||
3413 | // To avoid an infinite recursion when importing, create the FunctionDecl | ||||||||
3414 | // with a simplified return type. | ||||||||
3415 | if (hasAutoReturnTypeDeclaredInside(D)) { | ||||||||
3416 | FromReturnTy = Importer.getFromContext().VoidTy; | ||||||||
3417 | UsedDifferentProtoType = true; | ||||||||
3418 | } | ||||||||
3419 | FunctionProtoType::ExtProtoInfo FromEPI = FromFPT->getExtProtoInfo(); | ||||||||
3420 | // FunctionProtoType::ExtProtoInfo's ExceptionSpecDecl can point to the | ||||||||
3421 | // FunctionDecl that we are importing the FunctionProtoType for. | ||||||||
3422 | // To avoid an infinite recursion when importing, create the FunctionDecl | ||||||||
3423 | // with a simplified function type. | ||||||||
3424 | if (FromEPI.ExceptionSpec.SourceDecl || | ||||||||
3425 | FromEPI.ExceptionSpec.SourceTemplate || | ||||||||
3426 | FromEPI.ExceptionSpec.NoexceptExpr) { | ||||||||
3427 | FunctionProtoType::ExtProtoInfo DefaultEPI; | ||||||||
3428 | FromEPI = DefaultEPI; | ||||||||
3429 | UsedDifferentProtoType = true; | ||||||||
3430 | } | ||||||||
3431 | FromTy = Importer.getFromContext().getFunctionType( | ||||||||
3432 | FromReturnTy, FromFPT->getParamTypes(), FromEPI); | ||||||||
3433 | } | ||||||||
3434 | |||||||||
3435 | Error Err = Error::success(); | ||||||||
3436 | auto T = importChecked(Err, FromTy); | ||||||||
3437 | auto TInfo = importChecked(Err, D->getTypeSourceInfo()); | ||||||||
3438 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); | ||||||||
3439 | auto ToEndLoc = importChecked(Err, D->getEndLoc()); | ||||||||
3440 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | ||||||||
3441 | auto TrailingRequiresClause = | ||||||||
3442 | importChecked(Err, D->getTrailingRequiresClause()); | ||||||||
3443 | if (Err) | ||||||||
3444 | return std::move(Err); | ||||||||
3445 | |||||||||
3446 | // Import the function parameters. | ||||||||
3447 | SmallVector<ParmVarDecl *, 8> Parameters; | ||||||||
3448 | for (auto P : D->parameters()) { | ||||||||
3449 | if (Expected<ParmVarDecl *> ToPOrErr = import(P)) | ||||||||
3450 | Parameters.push_back(*ToPOrErr); | ||||||||
3451 | else | ||||||||
3452 | return ToPOrErr.takeError(); | ||||||||
3453 | } | ||||||||
3454 | |||||||||
3455 | // Create the imported function. | ||||||||
3456 | FunctionDecl *ToFunction = nullptr; | ||||||||
3457 | if (auto *FromConstructor = dyn_cast<CXXConstructorDecl>(D)) { | ||||||||
3458 | ExplicitSpecifier ESpec = | ||||||||
3459 | importExplicitSpecifier(Err, FromConstructor->getExplicitSpecifier()); | ||||||||
3460 | if (Err) | ||||||||
3461 | return std::move(Err); | ||||||||
3462 | if (GetImportedOrCreateDecl<CXXConstructorDecl>( | ||||||||
3463 | ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(DC), | ||||||||
3464 | ToInnerLocStart, NameInfo, T, TInfo, ESpec, D->UsesFPIntrin(), | ||||||||
3465 | D->isInlineSpecified(), D->isImplicit(), D->getConstexprKind(), | ||||||||
3466 | InheritedConstructor(), // FIXME: Properly import inherited | ||||||||
3467 | // constructor info | ||||||||
3468 | TrailingRequiresClause)) | ||||||||
3469 | return ToFunction; | ||||||||
3470 | } else if (CXXDestructorDecl *FromDtor = dyn_cast<CXXDestructorDecl>(D)) { | ||||||||
3471 | |||||||||
3472 | Error Err = Error::success(); | ||||||||
3473 | auto ToOperatorDelete = importChecked( | ||||||||
3474 | Err, const_cast<FunctionDecl *>(FromDtor->getOperatorDelete())); | ||||||||
3475 | auto ToThisArg = importChecked(Err, FromDtor->getOperatorDeleteThisArg()); | ||||||||
3476 | if (Err) | ||||||||
3477 | return std::move(Err); | ||||||||
3478 | |||||||||
3479 | if (GetImportedOrCreateDecl<CXXDestructorDecl>( | ||||||||
3480 | ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(DC), | ||||||||
3481 | ToInnerLocStart, NameInfo, T, TInfo, D->UsesFPIntrin(), | ||||||||
3482 | D->isInlineSpecified(), D->isImplicit(), D->getConstexprKind(), | ||||||||
3483 | TrailingRequiresClause)) | ||||||||
3484 | return ToFunction; | ||||||||
3485 | |||||||||
3486 | CXXDestructorDecl *ToDtor = cast<CXXDestructorDecl>(ToFunction); | ||||||||
3487 | |||||||||
3488 | ToDtor->setOperatorDelete(ToOperatorDelete, ToThisArg); | ||||||||
3489 | } else if (CXXConversionDecl *FromConversion = | ||||||||
3490 | dyn_cast<CXXConversionDecl>(D)) { | ||||||||
3491 | ExplicitSpecifier ESpec = | ||||||||
3492 | importExplicitSpecifier(Err, FromConversion->getExplicitSpecifier()); | ||||||||
3493 | if (Err) | ||||||||
3494 | return std::move(Err); | ||||||||
3495 | if (GetImportedOrCreateDecl<CXXConversionDecl>( | ||||||||
3496 | ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(DC), | ||||||||
3497 | ToInnerLocStart, NameInfo, T, TInfo, D->UsesFPIntrin(), | ||||||||
3498 | D->isInlineSpecified(), ESpec, D->getConstexprKind(), | ||||||||
3499 | SourceLocation(), TrailingRequiresClause)) | ||||||||
3500 | return ToFunction; | ||||||||
3501 | } else if (auto *Method = dyn_cast<CXXMethodDecl>(D)) { | ||||||||
3502 | if (GetImportedOrCreateDecl<CXXMethodDecl>( | ||||||||
3503 | ToFunction, D, Importer.getToContext(), cast<CXXRecordDecl>(DC), | ||||||||
3504 | ToInnerLocStart, NameInfo, T, TInfo, Method->getStorageClass(), | ||||||||
3505 | Method->UsesFPIntrin(), Method->isInlineSpecified(), | ||||||||
3506 | D->getConstexprKind(), SourceLocation(), TrailingRequiresClause)) | ||||||||
3507 | return ToFunction; | ||||||||
3508 | } else if (auto *Guide = dyn_cast<CXXDeductionGuideDecl>(D)) { | ||||||||
3509 | ExplicitSpecifier ESpec = | ||||||||
3510 | importExplicitSpecifier(Err, Guide->getExplicitSpecifier()); | ||||||||
3511 | CXXConstructorDecl *Ctor = | ||||||||
3512 | importChecked(Err, Guide->getCorrespondingConstructor()); | ||||||||
3513 | if (Err) | ||||||||
3514 | return std::move(Err); | ||||||||
3515 | if (GetImportedOrCreateDecl<CXXDeductionGuideDecl>( | ||||||||
3516 | ToFunction, D, Importer.getToContext(), DC, ToInnerLocStart, ESpec, | ||||||||
3517 | NameInfo, T, TInfo, ToEndLoc, Ctor)) | ||||||||
3518 | return ToFunction; | ||||||||
3519 | cast<CXXDeductionGuideDecl>(ToFunction) | ||||||||
3520 | ->setIsCopyDeductionCandidate(Guide->isCopyDeductionCandidate()); | ||||||||
3521 | } else { | ||||||||
3522 | if (GetImportedOrCreateDecl( | ||||||||
3523 | ToFunction, D, Importer.getToContext(), DC, ToInnerLocStart, | ||||||||
3524 | NameInfo, T, TInfo, D->getStorageClass(), D->UsesFPIntrin(), | ||||||||
3525 | D->isInlineSpecified(), D->hasWrittenPrototype(), | ||||||||
3526 | D->getConstexprKind(), TrailingRequiresClause)) | ||||||||
3527 | return ToFunction; | ||||||||
3528 | } | ||||||||
3529 | |||||||||
3530 | // Connect the redecl chain. | ||||||||
3531 | if (FoundByLookup) { | ||||||||
3532 | auto *Recent = const_cast<FunctionDecl *>( | ||||||||
3533 | FoundByLookup->getMostRecentDecl()); | ||||||||
3534 | ToFunction->setPreviousDecl(Recent); | ||||||||
3535 | // FIXME Probably we should merge exception specifications. E.g. In the | ||||||||
3536 | // "To" context the existing function may have exception specification with | ||||||||
3537 | // noexcept-unevaluated, while the newly imported function may have an | ||||||||
3538 | // evaluated noexcept. A call to adjustExceptionSpec() on the imported | ||||||||
3539 | // decl and its redeclarations may be required. | ||||||||
3540 | } | ||||||||
3541 | |||||||||
3542 | ToFunction->setQualifierInfo(ToQualifierLoc); | ||||||||
3543 | ToFunction->setAccess(D->getAccess()); | ||||||||
3544 | ToFunction->setLexicalDeclContext(LexicalDC); | ||||||||
3545 | ToFunction->setVirtualAsWritten(D->isVirtualAsWritten()); | ||||||||
3546 | ToFunction->setTrivial(D->isTrivial()); | ||||||||
3547 | ToFunction->setPure(D->isPure()); | ||||||||
3548 | ToFunction->setDefaulted(D->isDefaulted()); | ||||||||
3549 | ToFunction->setExplicitlyDefaulted(D->isExplicitlyDefaulted()); | ||||||||
3550 | ToFunction->setDeletedAsWritten(D->isDeletedAsWritten()); | ||||||||
3551 | ToFunction->setRangeEnd(ToEndLoc); | ||||||||
3552 | |||||||||
3553 | // Set the parameters. | ||||||||
3554 | for (auto *Param : Parameters) { | ||||||||
3555 | Param->setOwningFunction(ToFunction); | ||||||||
3556 | ToFunction->addDeclInternal(Param); | ||||||||
3557 | if (ASTImporterLookupTable *LT = Importer.SharedState->getLookupTable()) | ||||||||
3558 | LT->update(Param, Importer.getToContext().getTranslationUnitDecl()); | ||||||||
3559 | } | ||||||||
3560 | ToFunction->setParams(Parameters); | ||||||||
3561 | |||||||||
3562 | // We need to complete creation of FunctionProtoTypeLoc manually with setting | ||||||||
3563 | // params it refers to. | ||||||||
3564 | if (TInfo) { | ||||||||
3565 | if (auto ProtoLoc = | ||||||||
3566 | TInfo->getTypeLoc().IgnoreParens().getAs<FunctionProtoTypeLoc>()) { | ||||||||
3567 | for (unsigned I = 0, N = Parameters.size(); I != N; ++I) | ||||||||
3568 | ProtoLoc.setParam(I, Parameters[I]); | ||||||||
3569 | } | ||||||||
3570 | } | ||||||||
3571 | |||||||||
3572 | // Import the describing template function, if any. | ||||||||
3573 | if (FromFT) { | ||||||||
3574 | auto ToFTOrErr = import(FromFT); | ||||||||
3575 | if (!ToFTOrErr) | ||||||||
3576 | return ToFTOrErr.takeError(); | ||||||||
3577 | } | ||||||||
3578 | |||||||||
3579 | // Import Ctor initializers. | ||||||||
3580 | if (auto *FromConstructor = dyn_cast<CXXConstructorDecl>(D)) { | ||||||||
3581 | if (unsigned NumInitializers = FromConstructor->getNumCtorInitializers()) { | ||||||||
3582 | SmallVector<CXXCtorInitializer *, 4> CtorInitializers(NumInitializers); | ||||||||
3583 | // Import first, then allocate memory and copy if there was no error. | ||||||||
3584 | if (Error Err = ImportContainerChecked( | ||||||||
3585 | FromConstructor->inits(), CtorInitializers)) | ||||||||
3586 | return std::move(Err); | ||||||||
3587 | auto **Memory = | ||||||||
3588 | new (Importer.getToContext()) CXXCtorInitializer *[NumInitializers]; | ||||||||
3589 | std::copy(CtorInitializers.begin(), CtorInitializers.end(), Memory); | ||||||||
3590 | auto *ToCtor = cast<CXXConstructorDecl>(ToFunction); | ||||||||
3591 | ToCtor->setCtorInitializers(Memory); | ||||||||
3592 | ToCtor->setNumCtorInitializers(NumInitializers); | ||||||||
3593 | } | ||||||||
3594 | } | ||||||||
3595 | |||||||||
3596 | if (D->doesThisDeclarationHaveABody()) { | ||||||||
3597 | Error Err = ImportFunctionDeclBody(D, ToFunction); | ||||||||
3598 | |||||||||
3599 | if (Err) | ||||||||
3600 | return std::move(Err); | ||||||||
3601 | } | ||||||||
3602 | |||||||||
3603 | // Import and set the original type in case we used another type. | ||||||||
3604 | if (UsedDifferentProtoType) { | ||||||||
3605 | if (ExpectedType TyOrErr = import(D->getType())) | ||||||||
3606 | ToFunction->setType(*TyOrErr); | ||||||||
3607 | else | ||||||||
3608 | return TyOrErr.takeError(); | ||||||||
3609 | } | ||||||||
3610 | |||||||||
3611 | // FIXME: Other bits to merge? | ||||||||
3612 | |||||||||
3613 | // If it is a template, import all related things. | ||||||||
3614 | if (Error Err = ImportTemplateInformation(D, ToFunction)) | ||||||||
3615 | return std::move(Err); | ||||||||
3616 | |||||||||
3617 | addDeclToContexts(D, ToFunction); | ||||||||
3618 | |||||||||
3619 | if (auto *FromCXXMethod = dyn_cast<CXXMethodDecl>(D)) | ||||||||
3620 | if (Error Err = ImportOverriddenMethods(cast<CXXMethodDecl>(ToFunction), | ||||||||
3621 | FromCXXMethod)) | ||||||||
3622 | return std::move(Err); | ||||||||
3623 | |||||||||
3624 | // Import the rest of the chain. I.e. import all subsequent declarations. | ||||||||
3625 | for (++RedeclIt; RedeclIt != Redecls.end(); ++RedeclIt) { | ||||||||
3626 | ExpectedDecl ToRedeclOrErr = import(*RedeclIt); | ||||||||
3627 | if (!ToRedeclOrErr) | ||||||||
3628 | return ToRedeclOrErr.takeError(); | ||||||||
3629 | } | ||||||||
3630 | |||||||||
3631 | return ToFunction; | ||||||||
3632 | } | ||||||||
3633 | |||||||||
3634 | ExpectedDecl ASTNodeImporter::VisitCXXMethodDecl(CXXMethodDecl *D) { | ||||||||
3635 | return VisitFunctionDecl(D); | ||||||||
3636 | } | ||||||||
3637 | |||||||||
3638 | ExpectedDecl ASTNodeImporter::VisitCXXConstructorDecl(CXXConstructorDecl *D) { | ||||||||
3639 | return VisitCXXMethodDecl(D); | ||||||||
3640 | } | ||||||||
3641 | |||||||||
3642 | ExpectedDecl ASTNodeImporter::VisitCXXDestructorDecl(CXXDestructorDecl *D) { | ||||||||
3643 | return VisitCXXMethodDecl(D); | ||||||||
3644 | } | ||||||||
3645 | |||||||||
3646 | ExpectedDecl ASTNodeImporter::VisitCXXConversionDecl(CXXConversionDecl *D) { | ||||||||
3647 | return VisitCXXMethodDecl(D); | ||||||||
3648 | } | ||||||||
3649 | |||||||||
3650 | ExpectedDecl | ||||||||
3651 | ASTNodeImporter::VisitCXXDeductionGuideDecl(CXXDeductionGuideDecl *D) { | ||||||||
3652 | return VisitFunctionDecl(D); | ||||||||
3653 | } | ||||||||
3654 | |||||||||
3655 | ExpectedDecl ASTNodeImporter::VisitFieldDecl(FieldDecl *D) { | ||||||||
3656 | // Import the major distinguishing characteristics of a variable. | ||||||||
3657 | DeclContext *DC, *LexicalDC; | ||||||||
3658 | DeclarationName Name; | ||||||||
3659 | SourceLocation Loc; | ||||||||
3660 | NamedDecl *ToD; | ||||||||
3661 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
3662 | return std::move(Err); | ||||||||
3663 | if (ToD) | ||||||||
3664 | return ToD; | ||||||||
3665 | |||||||||
3666 | // Determine whether we've already imported this field. | ||||||||
3667 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
3668 | for (auto *FoundDecl : FoundDecls) { | ||||||||
3669 | if (FieldDecl *FoundField = dyn_cast<FieldDecl>(FoundDecl)) { | ||||||||
3670 | // For anonymous fields, match up by index. | ||||||||
3671 | if (!Name && | ||||||||
3672 | ASTImporter::getFieldIndex(D) != | ||||||||
3673 | ASTImporter::getFieldIndex(FoundField)) | ||||||||
3674 | continue; | ||||||||
3675 | |||||||||
3676 | if (Importer.IsStructurallyEquivalent(D->getType(), | ||||||||
3677 | FoundField->getType())) { | ||||||||
3678 | Importer.MapImported(D, FoundField); | ||||||||
3679 | // In case of a FieldDecl of a ClassTemplateSpecializationDecl, the | ||||||||
3680 | // initializer of a FieldDecl might not had been instantiated in the | ||||||||
3681 | // "To" context. However, the "From" context might instantiated that, | ||||||||
3682 | // thus we have to merge that. | ||||||||
3683 | if (Expr *FromInitializer = D->getInClassInitializer()) { | ||||||||
3684 | // We don't have yet the initializer set. | ||||||||
3685 | if (FoundField->hasInClassInitializer() && | ||||||||
3686 | !FoundField->getInClassInitializer()) { | ||||||||
3687 | if (ExpectedExpr ToInitializerOrErr = import(FromInitializer)) | ||||||||
3688 | FoundField->setInClassInitializer(*ToInitializerOrErr); | ||||||||
3689 | else { | ||||||||
3690 | // We can't return error here, | ||||||||
3691 | // since we already mapped D as imported. | ||||||||
3692 | // FIXME: warning message? | ||||||||
3693 | consumeError(ToInitializerOrErr.takeError()); | ||||||||
3694 | return FoundField; | ||||||||
3695 | } | ||||||||
3696 | } | ||||||||
3697 | } | ||||||||
3698 | return FoundField; | ||||||||
3699 | } | ||||||||
3700 | |||||||||
3701 | // FIXME: Why is this case not handled with calling HandleNameConflict? | ||||||||
3702 | Importer.ToDiag(Loc, diag::warn_odr_field_type_inconsistent) | ||||||||
3703 | << Name << D->getType() << FoundField->getType(); | ||||||||
3704 | Importer.ToDiag(FoundField->getLocation(), diag::note_odr_value_here) | ||||||||
3705 | << FoundField->getType(); | ||||||||
3706 | |||||||||
3707 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
3708 | } | ||||||||
3709 | } | ||||||||
3710 | |||||||||
3711 | Error Err = Error::success(); | ||||||||
3712 | auto ToType = importChecked(Err, D->getType()); | ||||||||
3713 | auto ToTInfo = importChecked(Err, D->getTypeSourceInfo()); | ||||||||
3714 | auto ToBitWidth = importChecked(Err, D->getBitWidth()); | ||||||||
3715 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); | ||||||||
3716 | auto ToInitializer = importChecked(Err, D->getInClassInitializer()); | ||||||||
3717 | if (Err) | ||||||||
3718 | return std::move(Err); | ||||||||
3719 | const Type *ToCapturedVLAType = nullptr; | ||||||||
3720 | if (Error Err = Importer.importInto( | ||||||||
3721 | ToCapturedVLAType, cast_or_null<Type>(D->getCapturedVLAType()))) | ||||||||
3722 | return std::move(Err); | ||||||||
3723 | |||||||||
3724 | FieldDecl *ToField; | ||||||||
3725 | if (GetImportedOrCreateDecl(ToField, D, Importer.getToContext(), DC, | ||||||||
3726 | ToInnerLocStart, Loc, Name.getAsIdentifierInfo(), | ||||||||
3727 | ToType, ToTInfo, ToBitWidth, D->isMutable(), | ||||||||
3728 | D->getInClassInitStyle())) | ||||||||
3729 | return ToField; | ||||||||
3730 | |||||||||
3731 | ToField->setAccess(D->getAccess()); | ||||||||
3732 | ToField->setLexicalDeclContext(LexicalDC); | ||||||||
3733 | if (ToInitializer) | ||||||||
3734 | ToField->setInClassInitializer(ToInitializer); | ||||||||
3735 | ToField->setImplicit(D->isImplicit()); | ||||||||
3736 | if (ToCapturedVLAType) | ||||||||
3737 | ToField->setCapturedVLAType(cast<VariableArrayType>(ToCapturedVLAType)); | ||||||||
3738 | LexicalDC->addDeclInternal(ToField); | ||||||||
3739 | return ToField; | ||||||||
3740 | } | ||||||||
3741 | |||||||||
3742 | ExpectedDecl ASTNodeImporter::VisitIndirectFieldDecl(IndirectFieldDecl *D) { | ||||||||
3743 | // Import the major distinguishing characteristics of a variable. | ||||||||
3744 | DeclContext *DC, *LexicalDC; | ||||||||
3745 | DeclarationName Name; | ||||||||
3746 | SourceLocation Loc; | ||||||||
3747 | NamedDecl *ToD; | ||||||||
3748 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
3749 | return std::move(Err); | ||||||||
3750 | if (ToD) | ||||||||
3751 | return ToD; | ||||||||
3752 | |||||||||
3753 | // Determine whether we've already imported this field. | ||||||||
3754 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
3755 | for (unsigned I = 0, N = FoundDecls.size(); I != N; ++I) { | ||||||||
3756 | if (auto *FoundField = dyn_cast<IndirectFieldDecl>(FoundDecls[I])) { | ||||||||
3757 | // For anonymous indirect fields, match up by index. | ||||||||
3758 | if (!Name && | ||||||||
3759 | ASTImporter::getFieldIndex(D) != | ||||||||
3760 | ASTImporter::getFieldIndex(FoundField)) | ||||||||
3761 | continue; | ||||||||
3762 | |||||||||
3763 | if (Importer.IsStructurallyEquivalent(D->getType(), | ||||||||
3764 | FoundField->getType(), | ||||||||
3765 | !Name.isEmpty())) { | ||||||||
3766 | Importer.MapImported(D, FoundField); | ||||||||
3767 | return FoundField; | ||||||||
3768 | } | ||||||||
3769 | |||||||||
3770 | // If there are more anonymous fields to check, continue. | ||||||||
3771 | if (!Name && I < N-1) | ||||||||
3772 | continue; | ||||||||
3773 | |||||||||
3774 | // FIXME: Why is this case not handled with calling HandleNameConflict? | ||||||||
3775 | Importer.ToDiag(Loc, diag::warn_odr_field_type_inconsistent) | ||||||||
3776 | << Name << D->getType() << FoundField->getType(); | ||||||||
3777 | Importer.ToDiag(FoundField->getLocation(), diag::note_odr_value_here) | ||||||||
3778 | << FoundField->getType(); | ||||||||
3779 | |||||||||
3780 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
3781 | } | ||||||||
3782 | } | ||||||||
3783 | |||||||||
3784 | // Import the type. | ||||||||
3785 | auto TypeOrErr = import(D->getType()); | ||||||||
3786 | if (!TypeOrErr) | ||||||||
3787 | return TypeOrErr.takeError(); | ||||||||
3788 | |||||||||
3789 | auto **NamedChain = | ||||||||
3790 | new (Importer.getToContext()) NamedDecl*[D->getChainingSize()]; | ||||||||
3791 | |||||||||
3792 | unsigned i = 0; | ||||||||
3793 | for (auto *PI : D->chain()) | ||||||||
3794 | if (Expected<NamedDecl *> ToD = import(PI)) | ||||||||
3795 | NamedChain[i++] = *ToD; | ||||||||
3796 | else | ||||||||
3797 | return ToD.takeError(); | ||||||||
3798 | |||||||||
3799 | llvm::MutableArrayRef<NamedDecl *> CH = {NamedChain, D->getChainingSize()}; | ||||||||
3800 | IndirectFieldDecl *ToIndirectField; | ||||||||
3801 | if (GetImportedOrCreateDecl(ToIndirectField, D, Importer.getToContext(), DC, | ||||||||
3802 | Loc, Name.getAsIdentifierInfo(), *TypeOrErr, CH)) | ||||||||
3803 | // FIXME here we leak `NamedChain` which is allocated before | ||||||||
3804 | return ToIndirectField; | ||||||||
3805 | |||||||||
3806 | ToIndirectField->setAccess(D->getAccess()); | ||||||||
3807 | ToIndirectField->setLexicalDeclContext(LexicalDC); | ||||||||
3808 | LexicalDC->addDeclInternal(ToIndirectField); | ||||||||
3809 | return ToIndirectField; | ||||||||
3810 | } | ||||||||
3811 | |||||||||
3812 | /// Used as return type of getFriendCountAndPosition. | ||||||||
3813 | struct FriendCountAndPosition { | ||||||||
3814 | /// Number of similar looking friends. | ||||||||
3815 | unsigned int TotalCount; | ||||||||
3816 | /// Index of the specific FriendDecl. | ||||||||
3817 | unsigned int IndexOfDecl; | ||||||||
3818 | }; | ||||||||
3819 | |||||||||
3820 | template <class T> | ||||||||
3821 | static FriendCountAndPosition getFriendCountAndPosition( | ||||||||
3822 | const FriendDecl *FD, | ||||||||
3823 | llvm::function_ref<T(const FriendDecl *)> GetCanTypeOrDecl) { | ||||||||
3824 | unsigned int FriendCount = 0; | ||||||||
3825 | llvm::Optional<unsigned int> FriendPosition; | ||||||||
3826 | const auto *RD = cast<CXXRecordDecl>(FD->getLexicalDeclContext()); | ||||||||
3827 | |||||||||
3828 | T TypeOrDecl = GetCanTypeOrDecl(FD); | ||||||||
3829 | |||||||||
3830 | for (const FriendDecl *FoundFriend : RD->friends()) { | ||||||||
3831 | if (FoundFriend == FD) { | ||||||||
3832 | FriendPosition = FriendCount; | ||||||||
3833 | ++FriendCount; | ||||||||
3834 | } else if (!FoundFriend->getFriendDecl() == !FD->getFriendDecl() && | ||||||||
3835 | GetCanTypeOrDecl(FoundFriend) == TypeOrDecl) { | ||||||||
3836 | ++FriendCount; | ||||||||
3837 | } | ||||||||
3838 | } | ||||||||
3839 | |||||||||
3840 | assert(FriendPosition && "Friend decl not found in own parent.")(static_cast <bool> (FriendPosition && "Friend decl not found in own parent." ) ? void (0) : __assert_fail ("FriendPosition && \"Friend decl not found in own parent.\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3840, __extension__ __PRETTY_FUNCTION__)); | ||||||||
3841 | |||||||||
3842 | return {FriendCount, *FriendPosition}; | ||||||||
3843 | } | ||||||||
3844 | |||||||||
3845 | static FriendCountAndPosition getFriendCountAndPosition(const FriendDecl *FD) { | ||||||||
3846 | if (FD->getFriendType()) | ||||||||
3847 | return getFriendCountAndPosition<QualType>(FD, [](const FriendDecl *F) { | ||||||||
3848 | if (TypeSourceInfo *TSI = F->getFriendType()) | ||||||||
3849 | return TSI->getType().getCanonicalType(); | ||||||||
3850 | llvm_unreachable("Wrong friend object type.")::llvm::llvm_unreachable_internal("Wrong friend object type." , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3850); | ||||||||
3851 | }); | ||||||||
3852 | else | ||||||||
3853 | return getFriendCountAndPosition<Decl *>(FD, [](const FriendDecl *F) { | ||||||||
3854 | if (Decl *D = F->getFriendDecl()) | ||||||||
3855 | return D->getCanonicalDecl(); | ||||||||
3856 | llvm_unreachable("Wrong friend object type.")::llvm::llvm_unreachable_internal("Wrong friend object type." , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3856); | ||||||||
3857 | }); | ||||||||
3858 | } | ||||||||
3859 | |||||||||
3860 | ExpectedDecl ASTNodeImporter::VisitFriendDecl(FriendDecl *D) { | ||||||||
3861 | // Import the major distinguishing characteristics of a declaration. | ||||||||
3862 | DeclContext *DC, *LexicalDC; | ||||||||
3863 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | ||||||||
3864 | return std::move(Err); | ||||||||
3865 | |||||||||
3866 | // Determine whether we've already imported this decl. | ||||||||
3867 | // FriendDecl is not a NamedDecl so we cannot use lookup. | ||||||||
3868 | // We try to maintain order and count of redundant friend declarations. | ||||||||
3869 | const auto *RD = cast<CXXRecordDecl>(DC); | ||||||||
3870 | FriendDecl *ImportedFriend = RD->getFirstFriend(); | ||||||||
3871 | SmallVector<FriendDecl *, 2> ImportedEquivalentFriends; | ||||||||
3872 | |||||||||
3873 | while (ImportedFriend) { | ||||||||
3874 | bool Match = false; | ||||||||
3875 | if (D->getFriendDecl() && ImportedFriend->getFriendDecl()) { | ||||||||
3876 | Match = | ||||||||
3877 | IsStructuralMatch(D->getFriendDecl(), ImportedFriend->getFriendDecl(), | ||||||||
3878 | /*Complain=*/false); | ||||||||
3879 | } else if (D->getFriendType() && ImportedFriend->getFriendType()) { | ||||||||
3880 | Match = Importer.IsStructurallyEquivalent( | ||||||||
3881 | D->getFriendType()->getType(), | ||||||||
3882 | ImportedFriend->getFriendType()->getType(), /*Complain=*/false); | ||||||||
3883 | } | ||||||||
3884 | if (Match) | ||||||||
3885 | ImportedEquivalentFriends.push_back(ImportedFriend); | ||||||||
3886 | |||||||||
3887 | ImportedFriend = ImportedFriend->getNextFriend(); | ||||||||
3888 | } | ||||||||
3889 | FriendCountAndPosition CountAndPosition = getFriendCountAndPosition(D); | ||||||||
3890 | |||||||||
3891 | assert(ImportedEquivalentFriends.size() <= CountAndPosition.TotalCount &&(static_cast <bool> (ImportedEquivalentFriends.size() <= CountAndPosition.TotalCount && "Class with non-matching friends is imported, ODR check wrong?" ) ? void (0) : __assert_fail ("ImportedEquivalentFriends.size() <= CountAndPosition.TotalCount && \"Class with non-matching friends is imported, ODR check wrong?\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3892, __extension__ __PRETTY_FUNCTION__)) | ||||||||
3892 | "Class with non-matching friends is imported, ODR check wrong?")(static_cast <bool> (ImportedEquivalentFriends.size() <= CountAndPosition.TotalCount && "Class with non-matching friends is imported, ODR check wrong?" ) ? void (0) : __assert_fail ("ImportedEquivalentFriends.size() <= CountAndPosition.TotalCount && \"Class with non-matching friends is imported, ODR check wrong?\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 3892, __extension__ __PRETTY_FUNCTION__)); | ||||||||
3893 | if (ImportedEquivalentFriends.size() == CountAndPosition.TotalCount) | ||||||||
3894 | return Importer.MapImported( | ||||||||
3895 | D, ImportedEquivalentFriends[CountAndPosition.IndexOfDecl]); | ||||||||
3896 | |||||||||
3897 | // Not found. Create it. | ||||||||
3898 | // The declarations will be put into order later by ImportDeclContext. | ||||||||
3899 | FriendDecl::FriendUnion ToFU; | ||||||||
3900 | if (NamedDecl *FriendD = D->getFriendDecl()) { | ||||||||
3901 | NamedDecl *ToFriendD; | ||||||||
3902 | if (Error Err = importInto(ToFriendD, FriendD)) | ||||||||
3903 | return std::move(Err); | ||||||||
3904 | |||||||||
3905 | if (FriendD->getFriendObjectKind() != Decl::FOK_None && | ||||||||
3906 | !(FriendD->isInIdentifierNamespace(Decl::IDNS_NonMemberOperator))) | ||||||||
3907 | ToFriendD->setObjectOfFriendDecl(false); | ||||||||
3908 | |||||||||
3909 | ToFU = ToFriendD; | ||||||||
3910 | } else { // The friend is a type, not a decl. | ||||||||
3911 | if (auto TSIOrErr = import(D->getFriendType())) | ||||||||
3912 | ToFU = *TSIOrErr; | ||||||||
3913 | else | ||||||||
3914 | return TSIOrErr.takeError(); | ||||||||
3915 | } | ||||||||
3916 | |||||||||
3917 | SmallVector<TemplateParameterList *, 1> ToTPLists(D->NumTPLists); | ||||||||
3918 | auto **FromTPLists = D->getTrailingObjects<TemplateParameterList *>(); | ||||||||
3919 | for (unsigned I = 0; I < D->NumTPLists; I++) { | ||||||||
3920 | if (auto ListOrErr = import(FromTPLists[I])) | ||||||||
3921 | ToTPLists[I] = *ListOrErr; | ||||||||
3922 | else | ||||||||
3923 | return ListOrErr.takeError(); | ||||||||
3924 | } | ||||||||
3925 | |||||||||
3926 | auto LocationOrErr = import(D->getLocation()); | ||||||||
3927 | if (!LocationOrErr) | ||||||||
3928 | return LocationOrErr.takeError(); | ||||||||
3929 | auto FriendLocOrErr = import(D->getFriendLoc()); | ||||||||
3930 | if (!FriendLocOrErr) | ||||||||
3931 | return FriendLocOrErr.takeError(); | ||||||||
3932 | |||||||||
3933 | FriendDecl *FrD; | ||||||||
3934 | if (GetImportedOrCreateDecl(FrD, D, Importer.getToContext(), DC, | ||||||||
3935 | *LocationOrErr, ToFU, | ||||||||
3936 | *FriendLocOrErr, ToTPLists)) | ||||||||
3937 | return FrD; | ||||||||
3938 | |||||||||
3939 | FrD->setAccess(D->getAccess()); | ||||||||
3940 | FrD->setLexicalDeclContext(LexicalDC); | ||||||||
3941 | LexicalDC->addDeclInternal(FrD); | ||||||||
3942 | return FrD; | ||||||||
3943 | } | ||||||||
3944 | |||||||||
3945 | ExpectedDecl ASTNodeImporter::VisitObjCIvarDecl(ObjCIvarDecl *D) { | ||||||||
3946 | // Import the major distinguishing characteristics of an ivar. | ||||||||
3947 | DeclContext *DC, *LexicalDC; | ||||||||
3948 | DeclarationName Name; | ||||||||
3949 | SourceLocation Loc; | ||||||||
3950 | NamedDecl *ToD; | ||||||||
3951 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
3952 | return std::move(Err); | ||||||||
3953 | if (ToD) | ||||||||
3954 | return ToD; | ||||||||
3955 | |||||||||
3956 | // Determine whether we've already imported this ivar | ||||||||
3957 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
3958 | for (auto *FoundDecl : FoundDecls) { | ||||||||
3959 | if (ObjCIvarDecl *FoundIvar = dyn_cast<ObjCIvarDecl>(FoundDecl)) { | ||||||||
3960 | if (Importer.IsStructurallyEquivalent(D->getType(), | ||||||||
3961 | FoundIvar->getType())) { | ||||||||
3962 | Importer.MapImported(D, FoundIvar); | ||||||||
3963 | return FoundIvar; | ||||||||
3964 | } | ||||||||
3965 | |||||||||
3966 | Importer.ToDiag(Loc, diag::warn_odr_ivar_type_inconsistent) | ||||||||
3967 | << Name << D->getType() << FoundIvar->getType(); | ||||||||
3968 | Importer.ToDiag(FoundIvar->getLocation(), diag::note_odr_value_here) | ||||||||
3969 | << FoundIvar->getType(); | ||||||||
3970 | |||||||||
3971 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
3972 | } | ||||||||
3973 | } | ||||||||
3974 | |||||||||
3975 | Error Err = Error::success(); | ||||||||
3976 | auto ToType = importChecked(Err, D->getType()); | ||||||||
3977 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | ||||||||
3978 | auto ToBitWidth = importChecked(Err, D->getBitWidth()); | ||||||||
3979 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); | ||||||||
3980 | if (Err) | ||||||||
3981 | return std::move(Err); | ||||||||
3982 | |||||||||
3983 | ObjCIvarDecl *ToIvar; | ||||||||
3984 | if (GetImportedOrCreateDecl( | ||||||||
3985 | ToIvar, D, Importer.getToContext(), cast<ObjCContainerDecl>(DC), | ||||||||
3986 | ToInnerLocStart, Loc, Name.getAsIdentifierInfo(), | ||||||||
3987 | ToType, ToTypeSourceInfo, | ||||||||
3988 | D->getAccessControl(),ToBitWidth, D->getSynthesize())) | ||||||||
3989 | return ToIvar; | ||||||||
3990 | |||||||||
3991 | ToIvar->setLexicalDeclContext(LexicalDC); | ||||||||
3992 | LexicalDC->addDeclInternal(ToIvar); | ||||||||
3993 | return ToIvar; | ||||||||
3994 | } | ||||||||
3995 | |||||||||
3996 | ExpectedDecl ASTNodeImporter::VisitVarDecl(VarDecl *D) { | ||||||||
3997 | |||||||||
3998 | SmallVector<Decl*, 2> Redecls = getCanonicalForwardRedeclChain(D); | ||||||||
3999 | auto RedeclIt = Redecls.begin(); | ||||||||
4000 | // Import the first part of the decl chain. I.e. import all previous | ||||||||
4001 | // declarations starting from the canonical decl. | ||||||||
4002 | for (; RedeclIt != Redecls.end() && *RedeclIt != D; ++RedeclIt) { | ||||||||
4003 | ExpectedDecl RedeclOrErr = import(*RedeclIt); | ||||||||
4004 | if (!RedeclOrErr) | ||||||||
4005 | return RedeclOrErr.takeError(); | ||||||||
4006 | } | ||||||||
4007 | assert(*RedeclIt == D)(static_cast <bool> (*RedeclIt == D) ? void (0) : __assert_fail ("*RedeclIt == D", "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 4007, __extension__ __PRETTY_FUNCTION__)); | ||||||||
4008 | |||||||||
4009 | // Import the major distinguishing characteristics of a variable. | ||||||||
4010 | DeclContext *DC, *LexicalDC; | ||||||||
4011 | DeclarationName Name; | ||||||||
4012 | SourceLocation Loc; | ||||||||
4013 | NamedDecl *ToD; | ||||||||
4014 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
4015 | return std::move(Err); | ||||||||
4016 | if (ToD) | ||||||||
4017 | return ToD; | ||||||||
4018 | |||||||||
4019 | // Try to find a variable in our own ("to") context with the same name and | ||||||||
4020 | // in the same context as the variable we're importing. | ||||||||
4021 | VarDecl *FoundByLookup = nullptr; | ||||||||
4022 | if (D->isFileVarDecl()) { | ||||||||
4023 | SmallVector<NamedDecl *, 4> ConflictingDecls; | ||||||||
4024 | unsigned IDNS = Decl::IDNS_Ordinary; | ||||||||
4025 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
4026 | for (auto *FoundDecl : FoundDecls) { | ||||||||
4027 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | ||||||||
4028 | continue; | ||||||||
4029 | |||||||||
4030 | if (auto *FoundVar = dyn_cast<VarDecl>(FoundDecl)) { | ||||||||
4031 | if (!hasSameVisibilityContextAndLinkage(FoundVar, D)) | ||||||||
4032 | continue; | ||||||||
4033 | if (Importer.IsStructurallyEquivalent(D->getType(), | ||||||||
4034 | FoundVar->getType())) { | ||||||||
4035 | |||||||||
4036 | // The VarDecl in the "From" context has a definition, but in the | ||||||||
4037 | // "To" context we already have a definition. | ||||||||
4038 | VarDecl *FoundDef = FoundVar->getDefinition(); | ||||||||
4039 | if (D->isThisDeclarationADefinition() && FoundDef) | ||||||||
4040 | // FIXME Check for ODR error if the two definitions have | ||||||||
4041 | // different initializers? | ||||||||
4042 | return Importer.MapImported(D, FoundDef); | ||||||||
4043 | |||||||||
4044 | // The VarDecl in the "From" context has an initializer, but in the | ||||||||
4045 | // "To" context we already have an initializer. | ||||||||
4046 | const VarDecl *FoundDInit = nullptr; | ||||||||
4047 | if (D->getInit() && FoundVar->getAnyInitializer(FoundDInit)) | ||||||||
4048 | // FIXME Diagnose ODR error if the two initializers are different? | ||||||||
4049 | return Importer.MapImported(D, const_cast<VarDecl*>(FoundDInit)); | ||||||||
4050 | |||||||||
4051 | FoundByLookup = FoundVar; | ||||||||
4052 | break; | ||||||||
4053 | } | ||||||||
4054 | |||||||||
4055 | const ArrayType *FoundArray | ||||||||
4056 | = Importer.getToContext().getAsArrayType(FoundVar->getType()); | ||||||||
4057 | const ArrayType *TArray | ||||||||
4058 | = Importer.getToContext().getAsArrayType(D->getType()); | ||||||||
4059 | if (FoundArray && TArray) { | ||||||||
4060 | if (isa<IncompleteArrayType>(FoundArray) && | ||||||||
4061 | isa<ConstantArrayType>(TArray)) { | ||||||||
4062 | // Import the type. | ||||||||
4063 | if (auto TyOrErr = import(D->getType())) | ||||||||
4064 | FoundVar->setType(*TyOrErr); | ||||||||
4065 | else | ||||||||
4066 | return TyOrErr.takeError(); | ||||||||
4067 | |||||||||
4068 | FoundByLookup = FoundVar; | ||||||||
4069 | break; | ||||||||
4070 | } else if (isa<IncompleteArrayType>(TArray) && | ||||||||
4071 | isa<ConstantArrayType>(FoundArray)) { | ||||||||
4072 | FoundByLookup = FoundVar; | ||||||||
4073 | break; | ||||||||
4074 | } | ||||||||
4075 | } | ||||||||
4076 | |||||||||
4077 | Importer.ToDiag(Loc, diag::warn_odr_variable_type_inconsistent) | ||||||||
4078 | << Name << D->getType() << FoundVar->getType(); | ||||||||
4079 | Importer.ToDiag(FoundVar->getLocation(), diag::note_odr_value_here) | ||||||||
4080 | << FoundVar->getType(); | ||||||||
4081 | ConflictingDecls.push_back(FoundDecl); | ||||||||
4082 | } | ||||||||
4083 | } | ||||||||
4084 | |||||||||
4085 | if (!ConflictingDecls.empty()) { | ||||||||
4086 | ExpectedName NameOrErr = Importer.HandleNameConflict( | ||||||||
4087 | Name, DC, IDNS, ConflictingDecls.data(), ConflictingDecls.size()); | ||||||||
4088 | if (NameOrErr) | ||||||||
4089 | Name = NameOrErr.get(); | ||||||||
4090 | else | ||||||||
4091 | return NameOrErr.takeError(); | ||||||||
4092 | } | ||||||||
4093 | } | ||||||||
4094 | |||||||||
4095 | Error Err = Error::success(); | ||||||||
4096 | auto ToType = importChecked(Err, D->getType()); | ||||||||
4097 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | ||||||||
4098 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); | ||||||||
4099 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | ||||||||
4100 | if (Err) | ||||||||
4101 | return std::move(Err); | ||||||||
4102 | |||||||||
4103 | VarDecl *ToVar; | ||||||||
4104 | if (auto *FromDecomp = dyn_cast<DecompositionDecl>(D)) { | ||||||||
4105 | SmallVector<BindingDecl *> Bindings(FromDecomp->bindings().size()); | ||||||||
4106 | if (Error Err = | ||||||||
4107 | ImportArrayChecked(FromDecomp->bindings(), Bindings.begin())) | ||||||||
4108 | return std::move(Err); | ||||||||
4109 | DecompositionDecl *ToDecomp; | ||||||||
4110 | if (GetImportedOrCreateDecl( | ||||||||
4111 | ToDecomp, FromDecomp, Importer.getToContext(), DC, ToInnerLocStart, | ||||||||
4112 | Loc, ToType, ToTypeSourceInfo, D->getStorageClass(), Bindings)) | ||||||||
4113 | return ToDecomp; | ||||||||
4114 | ToVar = ToDecomp; | ||||||||
4115 | } else { | ||||||||
4116 | // Create the imported variable. | ||||||||
4117 | if (GetImportedOrCreateDecl(ToVar, D, Importer.getToContext(), DC, | ||||||||
4118 | ToInnerLocStart, Loc, | ||||||||
4119 | Name.getAsIdentifierInfo(), ToType, | ||||||||
4120 | ToTypeSourceInfo, D->getStorageClass())) | ||||||||
4121 | return ToVar; | ||||||||
4122 | } | ||||||||
4123 | |||||||||
4124 | ToVar->setTSCSpec(D->getTSCSpec()); | ||||||||
4125 | ToVar->setQualifierInfo(ToQualifierLoc); | ||||||||
4126 | ToVar->setAccess(D->getAccess()); | ||||||||
4127 | ToVar->setLexicalDeclContext(LexicalDC); | ||||||||
4128 | |||||||||
4129 | if (FoundByLookup) { | ||||||||
4130 | auto *Recent = const_cast<VarDecl *>(FoundByLookup->getMostRecentDecl()); | ||||||||
4131 | ToVar->setPreviousDecl(Recent); | ||||||||
4132 | } | ||||||||
4133 | |||||||||
4134 | // Import the described template, if any. | ||||||||
4135 | if (D->getDescribedVarTemplate()) { | ||||||||
4136 | auto ToVTOrErr = import(D->getDescribedVarTemplate()); | ||||||||
4137 | if (!ToVTOrErr) | ||||||||
4138 | return ToVTOrErr.takeError(); | ||||||||
4139 | } | ||||||||
4140 | |||||||||
4141 | if (Error Err = ImportInitializer(D, ToVar)) | ||||||||
4142 | return std::move(Err); | ||||||||
4143 | |||||||||
4144 | if (D->isConstexpr()) | ||||||||
4145 | ToVar->setConstexpr(true); | ||||||||
4146 | |||||||||
4147 | addDeclToContexts(D, ToVar); | ||||||||
4148 | |||||||||
4149 | // Import the rest of the chain. I.e. import all subsequent declarations. | ||||||||
4150 | for (++RedeclIt; RedeclIt != Redecls.end(); ++RedeclIt) { | ||||||||
4151 | ExpectedDecl RedeclOrErr = import(*RedeclIt); | ||||||||
4152 | if (!RedeclOrErr) | ||||||||
4153 | return RedeclOrErr.takeError(); | ||||||||
4154 | } | ||||||||
4155 | |||||||||
4156 | return ToVar; | ||||||||
4157 | } | ||||||||
4158 | |||||||||
4159 | ExpectedDecl ASTNodeImporter::VisitImplicitParamDecl(ImplicitParamDecl *D) { | ||||||||
4160 | // Parameters are created in the translation unit's context, then moved | ||||||||
4161 | // into the function declaration's context afterward. | ||||||||
4162 | DeclContext *DC = Importer.getToContext().getTranslationUnitDecl(); | ||||||||
4163 | |||||||||
4164 | Error Err = Error::success(); | ||||||||
4165 | auto ToDeclName = importChecked(Err, D->getDeclName()); | ||||||||
4166 | auto ToLocation = importChecked(Err, D->getLocation()); | ||||||||
4167 | auto ToType = importChecked(Err, D->getType()); | ||||||||
4168 | if (Err) | ||||||||
4169 | return std::move(Err); | ||||||||
4170 | |||||||||
4171 | // Create the imported parameter. | ||||||||
4172 | ImplicitParamDecl *ToParm = nullptr; | ||||||||
4173 | if (GetImportedOrCreateDecl(ToParm, D, Importer.getToContext(), DC, | ||||||||
4174 | ToLocation, ToDeclName.getAsIdentifierInfo(), | ||||||||
4175 | ToType, D->getParameterKind())) | ||||||||
4176 | return ToParm; | ||||||||
4177 | return ToParm; | ||||||||
4178 | } | ||||||||
4179 | |||||||||
4180 | Error ASTNodeImporter::ImportDefaultArgOfParmVarDecl( | ||||||||
4181 | const ParmVarDecl *FromParam, ParmVarDecl *ToParam) { | ||||||||
4182 | ToParam->setHasInheritedDefaultArg(FromParam->hasInheritedDefaultArg()); | ||||||||
4183 | ToParam->setKNRPromoted(FromParam->isKNRPromoted()); | ||||||||
4184 | |||||||||
4185 | if (FromParam->hasUninstantiatedDefaultArg()) { | ||||||||
4186 | if (auto ToDefArgOrErr = import(FromParam->getUninstantiatedDefaultArg())) | ||||||||
4187 | ToParam->setUninstantiatedDefaultArg(*ToDefArgOrErr); | ||||||||
4188 | else | ||||||||
4189 | return ToDefArgOrErr.takeError(); | ||||||||
4190 | } else if (FromParam->hasUnparsedDefaultArg()) { | ||||||||
4191 | ToParam->setUnparsedDefaultArg(); | ||||||||
4192 | } else if (FromParam->hasDefaultArg()) { | ||||||||
4193 | if (auto ToDefArgOrErr = import(FromParam->getDefaultArg())) | ||||||||
4194 | ToParam->setDefaultArg(*ToDefArgOrErr); | ||||||||
4195 | else | ||||||||
4196 | return ToDefArgOrErr.takeError(); | ||||||||
4197 | } | ||||||||
4198 | |||||||||
4199 | return Error::success(); | ||||||||
4200 | } | ||||||||
4201 | |||||||||
4202 | ExpectedDecl ASTNodeImporter::VisitParmVarDecl(ParmVarDecl *D) { | ||||||||
4203 | // Parameters are created in the translation unit's context, then moved | ||||||||
4204 | // into the function declaration's context afterward. | ||||||||
4205 | DeclContext *DC = Importer.getToContext().getTranslationUnitDecl(); | ||||||||
4206 | |||||||||
4207 | Error Err = Error::success(); | ||||||||
4208 | auto ToDeclName = importChecked(Err, D->getDeclName()); | ||||||||
4209 | auto ToLocation = importChecked(Err, D->getLocation()); | ||||||||
4210 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); | ||||||||
4211 | auto ToType = importChecked(Err, D->getType()); | ||||||||
4212 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | ||||||||
4213 | if (Err) | ||||||||
4214 | return std::move(Err); | ||||||||
4215 | |||||||||
4216 | ParmVarDecl *ToParm; | ||||||||
4217 | if (GetImportedOrCreateDecl(ToParm, D, Importer.getToContext(), DC, | ||||||||
4218 | ToInnerLocStart, ToLocation, | ||||||||
4219 | ToDeclName.getAsIdentifierInfo(), ToType, | ||||||||
4220 | ToTypeSourceInfo, D->getStorageClass(), | ||||||||
4221 | /*DefaultArg*/ nullptr)) | ||||||||
4222 | return ToParm; | ||||||||
4223 | |||||||||
4224 | // Set the default argument. It should be no problem if it was already done. | ||||||||
4225 | // Do not import the default expression before GetImportedOrCreateDecl call | ||||||||
4226 | // to avoid possible infinite import loop because circular dependency. | ||||||||
4227 | if (Error Err = ImportDefaultArgOfParmVarDecl(D, ToParm)) | ||||||||
4228 | return std::move(Err); | ||||||||
4229 | |||||||||
4230 | if (D->isObjCMethodParameter()) { | ||||||||
4231 | ToParm->setObjCMethodScopeInfo(D->getFunctionScopeIndex()); | ||||||||
4232 | ToParm->setObjCDeclQualifier(D->getObjCDeclQualifier()); | ||||||||
4233 | } else { | ||||||||
4234 | ToParm->setScopeInfo(D->getFunctionScopeDepth(), | ||||||||
4235 | D->getFunctionScopeIndex()); | ||||||||
4236 | } | ||||||||
4237 | |||||||||
4238 | return ToParm; | ||||||||
4239 | } | ||||||||
4240 | |||||||||
4241 | ExpectedDecl ASTNodeImporter::VisitObjCMethodDecl(ObjCMethodDecl *D) { | ||||||||
4242 | // Import the major distinguishing characteristics of a method. | ||||||||
4243 | DeclContext *DC, *LexicalDC; | ||||||||
4244 | DeclarationName Name; | ||||||||
4245 | SourceLocation Loc; | ||||||||
4246 | NamedDecl *ToD; | ||||||||
4247 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
4248 | return std::move(Err); | ||||||||
4249 | if (ToD) | ||||||||
4250 | return ToD; | ||||||||
4251 | |||||||||
4252 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
4253 | for (auto *FoundDecl : FoundDecls) { | ||||||||
4254 | if (auto *FoundMethod = dyn_cast<ObjCMethodDecl>(FoundDecl)) { | ||||||||
4255 | if (FoundMethod->isInstanceMethod() != D->isInstanceMethod()) | ||||||||
4256 | continue; | ||||||||
4257 | |||||||||
4258 | // Check return types. | ||||||||
4259 | if (!Importer.IsStructurallyEquivalent(D->getReturnType(), | ||||||||
4260 | FoundMethod->getReturnType())) { | ||||||||
4261 | Importer.ToDiag(Loc, diag::warn_odr_objc_method_result_type_inconsistent) | ||||||||
4262 | << D->isInstanceMethod() << Name << D->getReturnType() | ||||||||
4263 | << FoundMethod->getReturnType(); | ||||||||
4264 | Importer.ToDiag(FoundMethod->getLocation(), | ||||||||
4265 | diag::note_odr_objc_method_here) | ||||||||
4266 | << D->isInstanceMethod() << Name; | ||||||||
4267 | |||||||||
4268 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
4269 | } | ||||||||
4270 | |||||||||
4271 | // Check the number of parameters. | ||||||||
4272 | if (D->param_size() != FoundMethod->param_size()) { | ||||||||
4273 | Importer.ToDiag(Loc, diag::warn_odr_objc_method_num_params_inconsistent) | ||||||||
4274 | << D->isInstanceMethod() << Name | ||||||||
4275 | << D->param_size() << FoundMethod->param_size(); | ||||||||
4276 | Importer.ToDiag(FoundMethod->getLocation(), | ||||||||
4277 | diag::note_odr_objc_method_here) | ||||||||
4278 | << D->isInstanceMethod() << Name; | ||||||||
4279 | |||||||||
4280 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
4281 | } | ||||||||
4282 | |||||||||
4283 | // Check parameter types. | ||||||||
4284 | for (ObjCMethodDecl::param_iterator P = D->param_begin(), | ||||||||
4285 | PEnd = D->param_end(), FoundP = FoundMethod->param_begin(); | ||||||||
4286 | P != PEnd; ++P, ++FoundP) { | ||||||||
4287 | if (!Importer.IsStructurallyEquivalent((*P)->getType(), | ||||||||
4288 | (*FoundP)->getType())) { | ||||||||
4289 | Importer.FromDiag((*P)->getLocation(), | ||||||||
4290 | diag::warn_odr_objc_method_param_type_inconsistent) | ||||||||
4291 | << D->isInstanceMethod() << Name | ||||||||
4292 | << (*P)->getType() << (*FoundP)->getType(); | ||||||||
4293 | Importer.ToDiag((*FoundP)->getLocation(), diag::note_odr_value_here) | ||||||||
4294 | << (*FoundP)->getType(); | ||||||||
4295 | |||||||||
4296 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
4297 | } | ||||||||
4298 | } | ||||||||
4299 | |||||||||
4300 | // Check variadic/non-variadic. | ||||||||
4301 | // Check the number of parameters. | ||||||||
4302 | if (D->isVariadic() != FoundMethod->isVariadic()) { | ||||||||
4303 | Importer.ToDiag(Loc, diag::warn_odr_objc_method_variadic_inconsistent) | ||||||||
4304 | << D->isInstanceMethod() << Name; | ||||||||
4305 | Importer.ToDiag(FoundMethod->getLocation(), | ||||||||
4306 | diag::note_odr_objc_method_here) | ||||||||
4307 | << D->isInstanceMethod() << Name; | ||||||||
4308 | |||||||||
4309 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
4310 | } | ||||||||
4311 | |||||||||
4312 | // FIXME: Any other bits we need to merge? | ||||||||
4313 | return Importer.MapImported(D, FoundMethod); | ||||||||
4314 | } | ||||||||
4315 | } | ||||||||
4316 | |||||||||
4317 | Error Err = Error::success(); | ||||||||
4318 | auto ToEndLoc = importChecked(Err, D->getEndLoc()); | ||||||||
4319 | auto ToReturnType = importChecked(Err, D->getReturnType()); | ||||||||
4320 | auto ToReturnTypeSourceInfo = | ||||||||
4321 | importChecked(Err, D->getReturnTypeSourceInfo()); | ||||||||
4322 | if (Err) | ||||||||
4323 | return std::move(Err); | ||||||||
4324 | |||||||||
4325 | ObjCMethodDecl *ToMethod; | ||||||||
4326 | if (GetImportedOrCreateDecl( | ||||||||
4327 | ToMethod, D, Importer.getToContext(), Loc, ToEndLoc, | ||||||||
4328 | Name.getObjCSelector(), ToReturnType, ToReturnTypeSourceInfo, DC, | ||||||||
4329 | D->isInstanceMethod(), D->isVariadic(), D->isPropertyAccessor(), | ||||||||
4330 | D->isSynthesizedAccessorStub(), D->isImplicit(), D->isDefined(), | ||||||||
4331 | D->getImplementationControl(), D->hasRelatedResultType())) | ||||||||
4332 | return ToMethod; | ||||||||
4333 | |||||||||
4334 | // FIXME: When we decide to merge method definitions, we'll need to | ||||||||
4335 | // deal with implicit parameters. | ||||||||
4336 | |||||||||
4337 | // Import the parameters | ||||||||
4338 | SmallVector<ParmVarDecl *, 5> ToParams; | ||||||||
4339 | for (auto *FromP : D->parameters()) { | ||||||||
4340 | if (Expected<ParmVarDecl *> ToPOrErr = import(FromP)) | ||||||||
4341 | ToParams.push_back(*ToPOrErr); | ||||||||
4342 | else | ||||||||
4343 | return ToPOrErr.takeError(); | ||||||||
4344 | } | ||||||||
4345 | |||||||||
4346 | // Set the parameters. | ||||||||
4347 | for (auto *ToParam : ToParams) { | ||||||||
4348 | ToParam->setOwningFunction(ToMethod); | ||||||||
4349 | ToMethod->addDeclInternal(ToParam); | ||||||||
4350 | } | ||||||||
4351 | |||||||||
4352 | SmallVector<SourceLocation, 12> FromSelLocs; | ||||||||
4353 | D->getSelectorLocs(FromSelLocs); | ||||||||
4354 | SmallVector<SourceLocation, 12> ToSelLocs(FromSelLocs.size()); | ||||||||
4355 | if (Error Err = ImportContainerChecked(FromSelLocs, ToSelLocs)) | ||||||||
4356 | return std::move(Err); | ||||||||
4357 | |||||||||
4358 | ToMethod->setMethodParams(Importer.getToContext(), ToParams, ToSelLocs); | ||||||||
4359 | |||||||||
4360 | ToMethod->setLexicalDeclContext(LexicalDC); | ||||||||
4361 | LexicalDC->addDeclInternal(ToMethod); | ||||||||
4362 | |||||||||
4363 | // Implicit params are declared when Sema encounters the definition but this | ||||||||
4364 | // never happens when the method is imported. Manually declare the implicit | ||||||||
4365 | // params now that the MethodDecl knows its class interface. | ||||||||
4366 | if (D->getSelfDecl()) | ||||||||
4367 | ToMethod->createImplicitParams(Importer.getToContext(), | ||||||||
4368 | ToMethod->getClassInterface()); | ||||||||
4369 | |||||||||
4370 | return ToMethod; | ||||||||
4371 | } | ||||||||
4372 | |||||||||
4373 | ExpectedDecl ASTNodeImporter::VisitObjCTypeParamDecl(ObjCTypeParamDecl *D) { | ||||||||
4374 | // Import the major distinguishing characteristics of a category. | ||||||||
4375 | DeclContext *DC, *LexicalDC; | ||||||||
4376 | DeclarationName Name; | ||||||||
4377 | SourceLocation Loc; | ||||||||
4378 | NamedDecl *ToD; | ||||||||
4379 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
4380 | return std::move(Err); | ||||||||
4381 | if (ToD) | ||||||||
4382 | return ToD; | ||||||||
4383 | |||||||||
4384 | Error Err = Error::success(); | ||||||||
4385 | auto ToVarianceLoc = importChecked(Err, D->getVarianceLoc()); | ||||||||
4386 | auto ToLocation = importChecked(Err, D->getLocation()); | ||||||||
4387 | auto ToColonLoc = importChecked(Err, D->getColonLoc()); | ||||||||
4388 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | ||||||||
4389 | if (Err) | ||||||||
4390 | return std::move(Err); | ||||||||
4391 | |||||||||
4392 | ObjCTypeParamDecl *Result; | ||||||||
4393 | if (GetImportedOrCreateDecl( | ||||||||
4394 | Result, D, Importer.getToContext(), DC, D->getVariance(), | ||||||||
4395 | ToVarianceLoc, D->getIndex(), | ||||||||
4396 | ToLocation, Name.getAsIdentifierInfo(), | ||||||||
4397 | ToColonLoc, ToTypeSourceInfo)) | ||||||||
4398 | return Result; | ||||||||
4399 | |||||||||
4400 | Result->setLexicalDeclContext(LexicalDC); | ||||||||
4401 | return Result; | ||||||||
4402 | } | ||||||||
4403 | |||||||||
4404 | ExpectedDecl ASTNodeImporter::VisitObjCCategoryDecl(ObjCCategoryDecl *D) { | ||||||||
4405 | // Import the major distinguishing characteristics of a category. | ||||||||
4406 | DeclContext *DC, *LexicalDC; | ||||||||
4407 | DeclarationName Name; | ||||||||
4408 | SourceLocation Loc; | ||||||||
4409 | NamedDecl *ToD; | ||||||||
4410 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
4411 | return std::move(Err); | ||||||||
4412 | if (ToD) | ||||||||
4413 | return ToD; | ||||||||
4414 | |||||||||
4415 | ObjCInterfaceDecl *ToInterface; | ||||||||
4416 | if (Error Err = importInto(ToInterface, D->getClassInterface())) | ||||||||
4417 | return std::move(Err); | ||||||||
4418 | |||||||||
4419 | // Determine if we've already encountered this category. | ||||||||
4420 | ObjCCategoryDecl *MergeWithCategory | ||||||||
4421 | = ToInterface->FindCategoryDeclaration(Name.getAsIdentifierInfo()); | ||||||||
4422 | ObjCCategoryDecl *ToCategory = MergeWithCategory; | ||||||||
4423 | if (!ToCategory) { | ||||||||
4424 | |||||||||
4425 | Error Err = Error::success(); | ||||||||
4426 | auto ToAtStartLoc = importChecked(Err, D->getAtStartLoc()); | ||||||||
4427 | auto ToCategoryNameLoc = importChecked(Err, D->getCategoryNameLoc()); | ||||||||
4428 | auto ToIvarLBraceLoc = importChecked(Err, D->getIvarLBraceLoc()); | ||||||||
4429 | auto ToIvarRBraceLoc = importChecked(Err, D->getIvarRBraceLoc()); | ||||||||
4430 | if (Err) | ||||||||
4431 | return std::move(Err); | ||||||||
4432 | |||||||||
4433 | if (GetImportedOrCreateDecl(ToCategory, D, Importer.getToContext(), DC, | ||||||||
4434 | ToAtStartLoc, Loc, | ||||||||
4435 | ToCategoryNameLoc, | ||||||||
4436 | Name.getAsIdentifierInfo(), ToInterface, | ||||||||
4437 | /*TypeParamList=*/nullptr, | ||||||||
4438 | ToIvarLBraceLoc, | ||||||||
4439 | ToIvarRBraceLoc)) | ||||||||
4440 | return ToCategory; | ||||||||
4441 | |||||||||
4442 | ToCategory->setLexicalDeclContext(LexicalDC); | ||||||||
4443 | LexicalDC->addDeclInternal(ToCategory); | ||||||||
4444 | // Import the type parameter list after MapImported, to avoid | ||||||||
4445 | // loops when bringing in their DeclContext. | ||||||||
4446 | if (auto PListOrErr = ImportObjCTypeParamList(D->getTypeParamList())) | ||||||||
4447 | ToCategory->setTypeParamList(*PListOrErr); | ||||||||
4448 | else | ||||||||
4449 | return PListOrErr.takeError(); | ||||||||
4450 | |||||||||
4451 | // Import protocols | ||||||||
4452 | SmallVector<ObjCProtocolDecl *, 4> Protocols; | ||||||||
4453 | SmallVector<SourceLocation, 4> ProtocolLocs; | ||||||||
4454 | ObjCCategoryDecl::protocol_loc_iterator FromProtoLoc | ||||||||
4455 | = D->protocol_loc_begin(); | ||||||||
4456 | for (ObjCCategoryDecl::protocol_iterator FromProto = D->protocol_begin(), | ||||||||
4457 | FromProtoEnd = D->protocol_end(); | ||||||||
4458 | FromProto != FromProtoEnd; | ||||||||
4459 | ++FromProto, ++FromProtoLoc) { | ||||||||
4460 | if (Expected<ObjCProtocolDecl *> ToProtoOrErr = import(*FromProto)) | ||||||||
4461 | Protocols.push_back(*ToProtoOrErr); | ||||||||
4462 | else | ||||||||
4463 | return ToProtoOrErr.takeError(); | ||||||||
4464 | |||||||||
4465 | if (ExpectedSLoc ToProtoLocOrErr = import(*FromProtoLoc)) | ||||||||
4466 | ProtocolLocs.push_back(*ToProtoLocOrErr); | ||||||||
4467 | else | ||||||||
4468 | return ToProtoLocOrErr.takeError(); | ||||||||
4469 | } | ||||||||
4470 | |||||||||
4471 | // FIXME: If we're merging, make sure that the protocol list is the same. | ||||||||
4472 | ToCategory->setProtocolList(Protocols.data(), Protocols.size(), | ||||||||
4473 | ProtocolLocs.data(), Importer.getToContext()); | ||||||||
4474 | |||||||||
4475 | } else { | ||||||||
4476 | Importer.MapImported(D, ToCategory); | ||||||||
4477 | } | ||||||||
4478 | |||||||||
4479 | // Import all of the members of this category. | ||||||||
4480 | if (Error Err = ImportDeclContext(D)) | ||||||||
4481 | return std::move(Err); | ||||||||
4482 | |||||||||
4483 | // If we have an implementation, import it as well. | ||||||||
4484 | if (D->getImplementation()) { | ||||||||
4485 | if (Expected<ObjCCategoryImplDecl *> ToImplOrErr = | ||||||||
4486 | import(D->getImplementation())) | ||||||||
4487 | ToCategory->setImplementation(*ToImplOrErr); | ||||||||
4488 | else | ||||||||
4489 | return ToImplOrErr.takeError(); | ||||||||
4490 | } | ||||||||
4491 | |||||||||
4492 | return ToCategory; | ||||||||
4493 | } | ||||||||
4494 | |||||||||
4495 | Error ASTNodeImporter::ImportDefinition( | ||||||||
4496 | ObjCProtocolDecl *From, ObjCProtocolDecl *To, ImportDefinitionKind Kind) { | ||||||||
4497 | if (To->getDefinition()) { | ||||||||
4498 | if (shouldForceImportDeclContext(Kind)) | ||||||||
4499 | if (Error Err = ImportDeclContext(From)) | ||||||||
4500 | return Err; | ||||||||
4501 | return Error::success(); | ||||||||
4502 | } | ||||||||
4503 | |||||||||
4504 | // Start the protocol definition | ||||||||
4505 | To->startDefinition(); | ||||||||
4506 | |||||||||
4507 | // Import protocols | ||||||||
4508 | SmallVector<ObjCProtocolDecl *, 4> Protocols; | ||||||||
4509 | SmallVector<SourceLocation, 4> ProtocolLocs; | ||||||||
4510 | ObjCProtocolDecl::protocol_loc_iterator FromProtoLoc = | ||||||||
4511 | From->protocol_loc_begin(); | ||||||||
4512 | for (ObjCProtocolDecl::protocol_iterator FromProto = From->protocol_begin(), | ||||||||
4513 | FromProtoEnd = From->protocol_end(); | ||||||||
4514 | FromProto != FromProtoEnd; | ||||||||
4515 | ++FromProto, ++FromProtoLoc) { | ||||||||
4516 | if (Expected<ObjCProtocolDecl *> ToProtoOrErr = import(*FromProto)) | ||||||||
4517 | Protocols.push_back(*ToProtoOrErr); | ||||||||
4518 | else | ||||||||
4519 | return ToProtoOrErr.takeError(); | ||||||||
4520 | |||||||||
4521 | if (ExpectedSLoc ToProtoLocOrErr = import(*FromProtoLoc)) | ||||||||
4522 | ProtocolLocs.push_back(*ToProtoLocOrErr); | ||||||||
4523 | else | ||||||||
4524 | return ToProtoLocOrErr.takeError(); | ||||||||
4525 | |||||||||
4526 | } | ||||||||
4527 | |||||||||
4528 | // FIXME: If we're merging, make sure that the protocol list is the same. | ||||||||
4529 | To->setProtocolList(Protocols.data(), Protocols.size(), | ||||||||
4530 | ProtocolLocs.data(), Importer.getToContext()); | ||||||||
4531 | |||||||||
4532 | if (shouldForceImportDeclContext(Kind)) { | ||||||||
4533 | // Import all of the members of this protocol. | ||||||||
4534 | if (Error Err = ImportDeclContext(From, /*ForceImport=*/true)) | ||||||||
4535 | return Err; | ||||||||
4536 | } | ||||||||
4537 | return Error::success(); | ||||||||
4538 | } | ||||||||
4539 | |||||||||
4540 | ExpectedDecl ASTNodeImporter::VisitObjCProtocolDecl(ObjCProtocolDecl *D) { | ||||||||
4541 | // If this protocol has a definition in the translation unit we're coming | ||||||||
4542 | // from, but this particular declaration is not that definition, import the | ||||||||
4543 | // definition and map to that. | ||||||||
4544 | ObjCProtocolDecl *Definition = D->getDefinition(); | ||||||||
4545 | if (Definition && Definition != D) { | ||||||||
4546 | if (ExpectedDecl ImportedDefOrErr = import(Definition)) | ||||||||
4547 | return Importer.MapImported(D, *ImportedDefOrErr); | ||||||||
4548 | else | ||||||||
4549 | return ImportedDefOrErr.takeError(); | ||||||||
4550 | } | ||||||||
4551 | |||||||||
4552 | // Import the major distinguishing characteristics of a protocol. | ||||||||
4553 | DeclContext *DC, *LexicalDC; | ||||||||
4554 | DeclarationName Name; | ||||||||
4555 | SourceLocation Loc; | ||||||||
4556 | NamedDecl *ToD; | ||||||||
4557 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
4558 | return std::move(Err); | ||||||||
4559 | if (ToD) | ||||||||
4560 | return ToD; | ||||||||
4561 | |||||||||
4562 | ObjCProtocolDecl *MergeWithProtocol = nullptr; | ||||||||
4563 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
4564 | for (auto *FoundDecl : FoundDecls) { | ||||||||
4565 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_ObjCProtocol)) | ||||||||
4566 | continue; | ||||||||
4567 | |||||||||
4568 | if ((MergeWithProtocol = dyn_cast<ObjCProtocolDecl>(FoundDecl))) | ||||||||
4569 | break; | ||||||||
4570 | } | ||||||||
4571 | |||||||||
4572 | ObjCProtocolDecl *ToProto = MergeWithProtocol; | ||||||||
4573 | if (!ToProto) { | ||||||||
4574 | auto ToAtBeginLocOrErr = import(D->getAtStartLoc()); | ||||||||
4575 | if (!ToAtBeginLocOrErr) | ||||||||
4576 | return ToAtBeginLocOrErr.takeError(); | ||||||||
4577 | |||||||||
4578 | if (GetImportedOrCreateDecl(ToProto, D, Importer.getToContext(), DC, | ||||||||
4579 | Name.getAsIdentifierInfo(), Loc, | ||||||||
4580 | *ToAtBeginLocOrErr, | ||||||||
4581 | /*PrevDecl=*/nullptr)) | ||||||||
4582 | return ToProto; | ||||||||
4583 | ToProto->setLexicalDeclContext(LexicalDC); | ||||||||
4584 | LexicalDC->addDeclInternal(ToProto); | ||||||||
4585 | } | ||||||||
4586 | |||||||||
4587 | Importer.MapImported(D, ToProto); | ||||||||
4588 | |||||||||
4589 | if (D->isThisDeclarationADefinition()) | ||||||||
4590 | if (Error Err = ImportDefinition(D, ToProto)) | ||||||||
4591 | return std::move(Err); | ||||||||
4592 | |||||||||
4593 | return ToProto; | ||||||||
4594 | } | ||||||||
4595 | |||||||||
4596 | ExpectedDecl ASTNodeImporter::VisitLinkageSpecDecl(LinkageSpecDecl *D) { | ||||||||
4597 | DeclContext *DC, *LexicalDC; | ||||||||
4598 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | ||||||||
4599 | return std::move(Err); | ||||||||
4600 | |||||||||
4601 | ExpectedSLoc ExternLocOrErr = import(D->getExternLoc()); | ||||||||
4602 | if (!ExternLocOrErr) | ||||||||
4603 | return ExternLocOrErr.takeError(); | ||||||||
4604 | |||||||||
4605 | ExpectedSLoc LangLocOrErr = import(D->getLocation()); | ||||||||
4606 | if (!LangLocOrErr) | ||||||||
4607 | return LangLocOrErr.takeError(); | ||||||||
4608 | |||||||||
4609 | bool HasBraces = D->hasBraces(); | ||||||||
4610 | |||||||||
4611 | LinkageSpecDecl *ToLinkageSpec; | ||||||||
4612 | if (GetImportedOrCreateDecl(ToLinkageSpec, D, Importer.getToContext(), DC, | ||||||||
4613 | *ExternLocOrErr, *LangLocOrErr, | ||||||||
4614 | D->getLanguage(), HasBraces)) | ||||||||
4615 | return ToLinkageSpec; | ||||||||
4616 | |||||||||
4617 | if (HasBraces) { | ||||||||
4618 | ExpectedSLoc RBraceLocOrErr = import(D->getRBraceLoc()); | ||||||||
4619 | if (!RBraceLocOrErr) | ||||||||
4620 | return RBraceLocOrErr.takeError(); | ||||||||
4621 | ToLinkageSpec->setRBraceLoc(*RBraceLocOrErr); | ||||||||
4622 | } | ||||||||
4623 | |||||||||
4624 | ToLinkageSpec->setLexicalDeclContext(LexicalDC); | ||||||||
4625 | LexicalDC->addDeclInternal(ToLinkageSpec); | ||||||||
4626 | |||||||||
4627 | return ToLinkageSpec; | ||||||||
4628 | } | ||||||||
4629 | |||||||||
4630 | ExpectedDecl ASTNodeImporter::ImportUsingShadowDecls(BaseUsingDecl *D, | ||||||||
4631 | BaseUsingDecl *ToSI) { | ||||||||
4632 | for (UsingShadowDecl *FromShadow : D->shadows()) { | ||||||||
4633 | if (Expected<UsingShadowDecl *> ToShadowOrErr = import(FromShadow)) | ||||||||
4634 | ToSI->addShadowDecl(*ToShadowOrErr); | ||||||||
4635 | else | ||||||||
4636 | // FIXME: We return error here but the definition is already created | ||||||||
4637 | // and available with lookups. How to fix this?.. | ||||||||
4638 | return ToShadowOrErr.takeError(); | ||||||||
4639 | } | ||||||||
4640 | return ToSI; | ||||||||
4641 | } | ||||||||
4642 | |||||||||
4643 | ExpectedDecl ASTNodeImporter::VisitUsingDecl(UsingDecl *D) { | ||||||||
4644 | DeclContext *DC, *LexicalDC; | ||||||||
4645 | DeclarationName Name; | ||||||||
4646 | SourceLocation Loc; | ||||||||
4647 | NamedDecl *ToD = nullptr; | ||||||||
4648 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
4649 | return std::move(Err); | ||||||||
4650 | if (ToD) | ||||||||
4651 | return ToD; | ||||||||
4652 | |||||||||
4653 | Error Err = Error::success(); | ||||||||
4654 | auto ToLoc = importChecked(Err, D->getNameInfo().getLoc()); | ||||||||
4655 | auto ToUsingLoc = importChecked(Err, D->getUsingLoc()); | ||||||||
4656 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | ||||||||
4657 | if (Err) | ||||||||
4658 | return std::move(Err); | ||||||||
4659 | |||||||||
4660 | DeclarationNameInfo NameInfo(Name, ToLoc); | ||||||||
4661 | if (Error Err = ImportDeclarationNameLoc(D->getNameInfo(), NameInfo)) | ||||||||
4662 | return std::move(Err); | ||||||||
4663 | |||||||||
4664 | UsingDecl *ToUsing; | ||||||||
4665 | if (GetImportedOrCreateDecl(ToUsing, D, Importer.getToContext(), DC, | ||||||||
4666 | ToUsingLoc, ToQualifierLoc, NameInfo, | ||||||||
4667 | D->hasTypename())) | ||||||||
4668 | return ToUsing; | ||||||||
4669 | |||||||||
4670 | ToUsing->setLexicalDeclContext(LexicalDC); | ||||||||
4671 | LexicalDC->addDeclInternal(ToUsing); | ||||||||
4672 | |||||||||
4673 | if (NamedDecl *FromPattern = | ||||||||
4674 | Importer.getFromContext().getInstantiatedFromUsingDecl(D)) { | ||||||||
4675 | if (Expected<NamedDecl *> ToPatternOrErr = import(FromPattern)) | ||||||||
4676 | Importer.getToContext().setInstantiatedFromUsingDecl( | ||||||||
4677 | ToUsing, *ToPatternOrErr); | ||||||||
4678 | else | ||||||||
4679 | return ToPatternOrErr.takeError(); | ||||||||
4680 | } | ||||||||
4681 | |||||||||
4682 | return ImportUsingShadowDecls(D, ToUsing); | ||||||||
4683 | } | ||||||||
4684 | |||||||||
4685 | ExpectedDecl ASTNodeImporter::VisitUsingEnumDecl(UsingEnumDecl *D) { | ||||||||
4686 | DeclContext *DC, *LexicalDC; | ||||||||
4687 | DeclarationName Name; | ||||||||
4688 | SourceLocation Loc; | ||||||||
4689 | NamedDecl *ToD = nullptr; | ||||||||
4690 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
4691 | return std::move(Err); | ||||||||
4692 | if (ToD) | ||||||||
4693 | return ToD; | ||||||||
4694 | |||||||||
4695 | Error Err = Error::success(); | ||||||||
4696 | auto ToUsingLoc = importChecked(Err, D->getUsingLoc()); | ||||||||
4697 | auto ToEnumLoc = importChecked(Err, D->getEnumLoc()); | ||||||||
4698 | auto ToEnumDecl = importChecked(Err, D->getEnumDecl()); | ||||||||
4699 | if (Err) | ||||||||
4700 | return std::move(Err); | ||||||||
4701 | |||||||||
4702 | UsingEnumDecl *ToUsingEnum; | ||||||||
4703 | if (GetImportedOrCreateDecl(ToUsingEnum, D, Importer.getToContext(), DC, | ||||||||
4704 | ToUsingLoc, ToEnumLoc, Loc, ToEnumDecl)) | ||||||||
4705 | return ToUsingEnum; | ||||||||
4706 | |||||||||
4707 | ToUsingEnum->setLexicalDeclContext(LexicalDC); | ||||||||
4708 | LexicalDC->addDeclInternal(ToUsingEnum); | ||||||||
4709 | |||||||||
4710 | if (UsingEnumDecl *FromPattern = | ||||||||
4711 | Importer.getFromContext().getInstantiatedFromUsingEnumDecl(D)) { | ||||||||
4712 | if (Expected<UsingEnumDecl *> ToPatternOrErr = import(FromPattern)) | ||||||||
4713 | Importer.getToContext().setInstantiatedFromUsingEnumDecl(ToUsingEnum, | ||||||||
4714 | *ToPatternOrErr); | ||||||||
4715 | else | ||||||||
4716 | return ToPatternOrErr.takeError(); | ||||||||
4717 | } | ||||||||
4718 | |||||||||
4719 | return ImportUsingShadowDecls(D, ToUsingEnum); | ||||||||
4720 | } | ||||||||
4721 | |||||||||
4722 | ExpectedDecl ASTNodeImporter::VisitUsingShadowDecl(UsingShadowDecl *D) { | ||||||||
4723 | DeclContext *DC, *LexicalDC; | ||||||||
4724 | DeclarationName Name; | ||||||||
4725 | SourceLocation Loc; | ||||||||
4726 | NamedDecl *ToD = nullptr; | ||||||||
4727 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
4728 | return std::move(Err); | ||||||||
4729 | if (ToD) | ||||||||
4730 | return ToD; | ||||||||
4731 | |||||||||
4732 | Expected<BaseUsingDecl *> ToIntroducerOrErr = import(D->getIntroducer()); | ||||||||
4733 | if (!ToIntroducerOrErr) | ||||||||
4734 | return ToIntroducerOrErr.takeError(); | ||||||||
4735 | |||||||||
4736 | Expected<NamedDecl *> ToTargetOrErr = import(D->getTargetDecl()); | ||||||||
4737 | if (!ToTargetOrErr) | ||||||||
4738 | return ToTargetOrErr.takeError(); | ||||||||
4739 | |||||||||
4740 | UsingShadowDecl *ToShadow; | ||||||||
4741 | if (GetImportedOrCreateDecl(ToShadow, D, Importer.getToContext(), DC, Loc, | ||||||||
4742 | Name, *ToIntroducerOrErr, *ToTargetOrErr)) | ||||||||
4743 | return ToShadow; | ||||||||
4744 | |||||||||
4745 | ToShadow->setLexicalDeclContext(LexicalDC); | ||||||||
4746 | ToShadow->setAccess(D->getAccess()); | ||||||||
4747 | |||||||||
4748 | if (UsingShadowDecl *FromPattern = | ||||||||
4749 | Importer.getFromContext().getInstantiatedFromUsingShadowDecl(D)) { | ||||||||
4750 | if (Expected<UsingShadowDecl *> ToPatternOrErr = import(FromPattern)) | ||||||||
4751 | Importer.getToContext().setInstantiatedFromUsingShadowDecl( | ||||||||
4752 | ToShadow, *ToPatternOrErr); | ||||||||
4753 | else | ||||||||
4754 | // FIXME: We return error here but the definition is already created | ||||||||
4755 | // and available with lookups. How to fix this?.. | ||||||||
4756 | return ToPatternOrErr.takeError(); | ||||||||
4757 | } | ||||||||
4758 | |||||||||
4759 | LexicalDC->addDeclInternal(ToShadow); | ||||||||
4760 | |||||||||
4761 | return ToShadow; | ||||||||
4762 | } | ||||||||
4763 | |||||||||
4764 | ExpectedDecl ASTNodeImporter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { | ||||||||
4765 | DeclContext *DC, *LexicalDC; | ||||||||
4766 | DeclarationName Name; | ||||||||
4767 | SourceLocation Loc; | ||||||||
4768 | NamedDecl *ToD = nullptr; | ||||||||
4769 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
4770 | return std::move(Err); | ||||||||
4771 | if (ToD) | ||||||||
4772 | return ToD; | ||||||||
4773 | |||||||||
4774 | auto ToComAncestorOrErr = Importer.ImportContext(D->getCommonAncestor()); | ||||||||
4775 | if (!ToComAncestorOrErr) | ||||||||
4776 | return ToComAncestorOrErr.takeError(); | ||||||||
4777 | |||||||||
4778 | Error Err = Error::success(); | ||||||||
4779 | auto ToNominatedNamespace = importChecked(Err, D->getNominatedNamespace()); | ||||||||
4780 | auto ToUsingLoc = importChecked(Err, D->getUsingLoc()); | ||||||||
4781 | auto ToNamespaceKeyLocation = | ||||||||
4782 | importChecked(Err, D->getNamespaceKeyLocation()); | ||||||||
4783 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | ||||||||
4784 | auto ToIdentLocation = importChecked(Err, D->getIdentLocation()); | ||||||||
4785 | if (Err) | ||||||||
4786 | return std::move(Err); | ||||||||
4787 | |||||||||
4788 | UsingDirectiveDecl *ToUsingDir; | ||||||||
4789 | if (GetImportedOrCreateDecl(ToUsingDir, D, Importer.getToContext(), DC, | ||||||||
4790 | ToUsingLoc, | ||||||||
4791 | ToNamespaceKeyLocation, | ||||||||
4792 | ToQualifierLoc, | ||||||||
4793 | ToIdentLocation, | ||||||||
4794 | ToNominatedNamespace, *ToComAncestorOrErr)) | ||||||||
4795 | return ToUsingDir; | ||||||||
4796 | |||||||||
4797 | ToUsingDir->setLexicalDeclContext(LexicalDC); | ||||||||
4798 | LexicalDC->addDeclInternal(ToUsingDir); | ||||||||
4799 | |||||||||
4800 | return ToUsingDir; | ||||||||
4801 | } | ||||||||
4802 | |||||||||
4803 | ExpectedDecl ASTNodeImporter::VisitUnresolvedUsingValueDecl( | ||||||||
4804 | UnresolvedUsingValueDecl *D) { | ||||||||
4805 | DeclContext *DC, *LexicalDC; | ||||||||
4806 | DeclarationName Name; | ||||||||
4807 | SourceLocation Loc; | ||||||||
4808 | NamedDecl *ToD = nullptr; | ||||||||
4809 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
4810 | return std::move(Err); | ||||||||
4811 | if (ToD) | ||||||||
4812 | return ToD; | ||||||||
4813 | |||||||||
4814 | Error Err = Error::success(); | ||||||||
4815 | auto ToLoc = importChecked(Err, D->getNameInfo().getLoc()); | ||||||||
4816 | auto ToUsingLoc = importChecked(Err, D->getUsingLoc()); | ||||||||
4817 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | ||||||||
4818 | auto ToEllipsisLoc = importChecked(Err, D->getEllipsisLoc()); | ||||||||
4819 | if (Err) | ||||||||
4820 | return std::move(Err); | ||||||||
4821 | |||||||||
4822 | DeclarationNameInfo NameInfo(Name, ToLoc); | ||||||||
4823 | if (Error Err = ImportDeclarationNameLoc(D->getNameInfo(), NameInfo)) | ||||||||
4824 | return std::move(Err); | ||||||||
4825 | |||||||||
4826 | UnresolvedUsingValueDecl *ToUsingValue; | ||||||||
4827 | if (GetImportedOrCreateDecl(ToUsingValue, D, Importer.getToContext(), DC, | ||||||||
4828 | ToUsingLoc, ToQualifierLoc, NameInfo, | ||||||||
4829 | ToEllipsisLoc)) | ||||||||
4830 | return ToUsingValue; | ||||||||
4831 | |||||||||
4832 | ToUsingValue->setAccess(D->getAccess()); | ||||||||
4833 | ToUsingValue->setLexicalDeclContext(LexicalDC); | ||||||||
4834 | LexicalDC->addDeclInternal(ToUsingValue); | ||||||||
4835 | |||||||||
4836 | return ToUsingValue; | ||||||||
4837 | } | ||||||||
4838 | |||||||||
4839 | ExpectedDecl ASTNodeImporter::VisitUnresolvedUsingTypenameDecl( | ||||||||
4840 | UnresolvedUsingTypenameDecl *D) { | ||||||||
4841 | DeclContext *DC, *LexicalDC; | ||||||||
4842 | DeclarationName Name; | ||||||||
4843 | SourceLocation Loc; | ||||||||
4844 | NamedDecl *ToD = nullptr; | ||||||||
4845 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
4846 | return std::move(Err); | ||||||||
4847 | if (ToD) | ||||||||
4848 | return ToD; | ||||||||
4849 | |||||||||
4850 | Error Err = Error::success(); | ||||||||
4851 | auto ToUsingLoc = importChecked(Err, D->getUsingLoc()); | ||||||||
4852 | auto ToTypenameLoc = importChecked(Err, D->getTypenameLoc()); | ||||||||
4853 | auto ToQualifierLoc = importChecked(Err, D->getQualifierLoc()); | ||||||||
4854 | auto ToEllipsisLoc = importChecked(Err, D->getEllipsisLoc()); | ||||||||
4855 | if (Err) | ||||||||
4856 | return std::move(Err); | ||||||||
4857 | |||||||||
4858 | UnresolvedUsingTypenameDecl *ToUsing; | ||||||||
4859 | if (GetImportedOrCreateDecl(ToUsing, D, Importer.getToContext(), DC, | ||||||||
4860 | ToUsingLoc, ToTypenameLoc, | ||||||||
4861 | ToQualifierLoc, Loc, Name, ToEllipsisLoc)) | ||||||||
4862 | return ToUsing; | ||||||||
4863 | |||||||||
4864 | ToUsing->setAccess(D->getAccess()); | ||||||||
4865 | ToUsing->setLexicalDeclContext(LexicalDC); | ||||||||
4866 | LexicalDC->addDeclInternal(ToUsing); | ||||||||
4867 | |||||||||
4868 | return ToUsing; | ||||||||
4869 | } | ||||||||
4870 | |||||||||
4871 | ExpectedDecl ASTNodeImporter::VisitBuiltinTemplateDecl(BuiltinTemplateDecl *D) { | ||||||||
4872 | Decl* ToD = nullptr; | ||||||||
4873 | switch (D->getBuiltinTemplateKind()) { | ||||||||
4874 | case BuiltinTemplateKind::BTK__make_integer_seq: | ||||||||
4875 | ToD = Importer.getToContext().getMakeIntegerSeqDecl(); | ||||||||
4876 | break; | ||||||||
4877 | case BuiltinTemplateKind::BTK__type_pack_element: | ||||||||
4878 | ToD = Importer.getToContext().getTypePackElementDecl(); | ||||||||
4879 | break; | ||||||||
4880 | } | ||||||||
4881 | assert(ToD && "BuiltinTemplateDecl of unsupported kind!")(static_cast <bool> (ToD && "BuiltinTemplateDecl of unsupported kind!" ) ? void (0) : __assert_fail ("ToD && \"BuiltinTemplateDecl of unsupported kind!\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 4881, __extension__ __PRETTY_FUNCTION__)); | ||||||||
4882 | Importer.MapImported(D, ToD); | ||||||||
4883 | return ToD; | ||||||||
4884 | } | ||||||||
4885 | |||||||||
4886 | Error ASTNodeImporter::ImportDefinition( | ||||||||
4887 | ObjCInterfaceDecl *From, ObjCInterfaceDecl *To, ImportDefinitionKind Kind) { | ||||||||
4888 | if (To->getDefinition()) { | ||||||||
4889 | // Check consistency of superclass. | ||||||||
4890 | ObjCInterfaceDecl *FromSuper = From->getSuperClass(); | ||||||||
4891 | if (FromSuper) { | ||||||||
4892 | if (auto FromSuperOrErr = import(FromSuper)) | ||||||||
4893 | FromSuper = *FromSuperOrErr; | ||||||||
4894 | else | ||||||||
4895 | return FromSuperOrErr.takeError(); | ||||||||
4896 | } | ||||||||
4897 | |||||||||
4898 | ObjCInterfaceDecl *ToSuper = To->getSuperClass(); | ||||||||
4899 | if ((bool)FromSuper != (bool)ToSuper || | ||||||||
4900 | (FromSuper && !declaresSameEntity(FromSuper, ToSuper))) { | ||||||||
4901 | Importer.ToDiag(To->getLocation(), | ||||||||
4902 | diag::warn_odr_objc_superclass_inconsistent) | ||||||||
4903 | << To->getDeclName(); | ||||||||
4904 | if (ToSuper) | ||||||||
4905 | Importer.ToDiag(To->getSuperClassLoc(), diag::note_odr_objc_superclass) | ||||||||
4906 | << To->getSuperClass()->getDeclName(); | ||||||||
4907 | else | ||||||||
4908 | Importer.ToDiag(To->getLocation(), | ||||||||
4909 | diag::note_odr_objc_missing_superclass); | ||||||||
4910 | if (From->getSuperClass()) | ||||||||
4911 | Importer.FromDiag(From->getSuperClassLoc(), | ||||||||
4912 | diag::note_odr_objc_superclass) | ||||||||
4913 | << From->getSuperClass()->getDeclName(); | ||||||||
4914 | else | ||||||||
4915 | Importer.FromDiag(From->getLocation(), | ||||||||
4916 | diag::note_odr_objc_missing_superclass); | ||||||||
4917 | } | ||||||||
4918 | |||||||||
4919 | if (shouldForceImportDeclContext(Kind)) | ||||||||
4920 | if (Error Err = ImportDeclContext(From)) | ||||||||
4921 | return Err; | ||||||||
4922 | return Error::success(); | ||||||||
4923 | } | ||||||||
4924 | |||||||||
4925 | // Start the definition. | ||||||||
4926 | To->startDefinition(); | ||||||||
4927 | |||||||||
4928 | // If this class has a superclass, import it. | ||||||||
4929 | if (From->getSuperClass()) { | ||||||||
4930 | if (auto SuperTInfoOrErr = import(From->getSuperClassTInfo())) | ||||||||
4931 | To->setSuperClass(*SuperTInfoOrErr); | ||||||||
4932 | else | ||||||||
4933 | return SuperTInfoOrErr.takeError(); | ||||||||
4934 | } | ||||||||
4935 | |||||||||
4936 | // Import protocols | ||||||||
4937 | SmallVector<ObjCProtocolDecl *, 4> Protocols; | ||||||||
4938 | SmallVector<SourceLocation, 4> ProtocolLocs; | ||||||||
4939 | ObjCInterfaceDecl::protocol_loc_iterator FromProtoLoc = | ||||||||
4940 | From->protocol_loc_begin(); | ||||||||
4941 | |||||||||
4942 | for (ObjCInterfaceDecl::protocol_iterator FromProto = From->protocol_begin(), | ||||||||
4943 | FromProtoEnd = From->protocol_end(); | ||||||||
4944 | FromProto != FromProtoEnd; | ||||||||
4945 | ++FromProto, ++FromProtoLoc) { | ||||||||
4946 | if (Expected<ObjCProtocolDecl *> ToProtoOrErr = import(*FromProto)) | ||||||||
4947 | Protocols.push_back(*ToProtoOrErr); | ||||||||
4948 | else | ||||||||
4949 | return ToProtoOrErr.takeError(); | ||||||||
4950 | |||||||||
4951 | if (ExpectedSLoc ToProtoLocOrErr = import(*FromProtoLoc)) | ||||||||
4952 | ProtocolLocs.push_back(*ToProtoLocOrErr); | ||||||||
4953 | else | ||||||||
4954 | return ToProtoLocOrErr.takeError(); | ||||||||
4955 | |||||||||
4956 | } | ||||||||
4957 | |||||||||
4958 | // FIXME: If we're merging, make sure that the protocol list is the same. | ||||||||
4959 | To->setProtocolList(Protocols.data(), Protocols.size(), | ||||||||
4960 | ProtocolLocs.data(), Importer.getToContext()); | ||||||||
4961 | |||||||||
4962 | // Import categories. When the categories themselves are imported, they'll | ||||||||
4963 | // hook themselves into this interface. | ||||||||
4964 | for (auto *Cat : From->known_categories()) { | ||||||||
4965 | auto ToCatOrErr = import(Cat); | ||||||||
4966 | if (!ToCatOrErr) | ||||||||
4967 | return ToCatOrErr.takeError(); | ||||||||
4968 | } | ||||||||
4969 | |||||||||
4970 | // If we have an @implementation, import it as well. | ||||||||
4971 | if (From->getImplementation()) { | ||||||||
4972 | if (Expected<ObjCImplementationDecl *> ToImplOrErr = | ||||||||
4973 | import(From->getImplementation())) | ||||||||
4974 | To->setImplementation(*ToImplOrErr); | ||||||||
4975 | else | ||||||||
4976 | return ToImplOrErr.takeError(); | ||||||||
4977 | } | ||||||||
4978 | |||||||||
4979 | // Import all of the members of this class. | ||||||||
4980 | if (Error Err = ImportDeclContext(From, /*ForceImport=*/true)) | ||||||||
4981 | return Err; | ||||||||
4982 | |||||||||
4983 | return Error::success(); | ||||||||
4984 | } | ||||||||
4985 | |||||||||
4986 | Expected<ObjCTypeParamList *> | ||||||||
4987 | ASTNodeImporter::ImportObjCTypeParamList(ObjCTypeParamList *list) { | ||||||||
4988 | if (!list) | ||||||||
4989 | return nullptr; | ||||||||
4990 | |||||||||
4991 | SmallVector<ObjCTypeParamDecl *, 4> toTypeParams; | ||||||||
4992 | for (auto *fromTypeParam : *list) { | ||||||||
4993 | if (auto toTypeParamOrErr = import(fromTypeParam)) | ||||||||
4994 | toTypeParams.push_back(*toTypeParamOrErr); | ||||||||
4995 | else | ||||||||
4996 | return toTypeParamOrErr.takeError(); | ||||||||
4997 | } | ||||||||
4998 | |||||||||
4999 | auto LAngleLocOrErr = import(list->getLAngleLoc()); | ||||||||
5000 | if (!LAngleLocOrErr) | ||||||||
5001 | return LAngleLocOrErr.takeError(); | ||||||||
5002 | |||||||||
5003 | auto RAngleLocOrErr = import(list->getRAngleLoc()); | ||||||||
5004 | if (!RAngleLocOrErr) | ||||||||
5005 | return RAngleLocOrErr.takeError(); | ||||||||
5006 | |||||||||
5007 | return ObjCTypeParamList::create(Importer.getToContext(), | ||||||||
5008 | *LAngleLocOrErr, | ||||||||
5009 | toTypeParams, | ||||||||
5010 | *RAngleLocOrErr); | ||||||||
5011 | } | ||||||||
5012 | |||||||||
5013 | ExpectedDecl ASTNodeImporter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *D) { | ||||||||
5014 | // If this class has a definition in the translation unit we're coming from, | ||||||||
5015 | // but this particular declaration is not that definition, import the | ||||||||
5016 | // definition and map to that. | ||||||||
5017 | ObjCInterfaceDecl *Definition = D->getDefinition(); | ||||||||
5018 | if (Definition && Definition != D) { | ||||||||
5019 | if (ExpectedDecl ImportedDefOrErr = import(Definition)) | ||||||||
5020 | return Importer.MapImported(D, *ImportedDefOrErr); | ||||||||
5021 | else | ||||||||
5022 | return ImportedDefOrErr.takeError(); | ||||||||
5023 | } | ||||||||
5024 | |||||||||
5025 | // Import the major distinguishing characteristics of an @interface. | ||||||||
5026 | DeclContext *DC, *LexicalDC; | ||||||||
5027 | DeclarationName Name; | ||||||||
5028 | SourceLocation Loc; | ||||||||
5029 | NamedDecl *ToD; | ||||||||
5030 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
5031 | return std::move(Err); | ||||||||
5032 | if (ToD) | ||||||||
5033 | return ToD; | ||||||||
5034 | |||||||||
5035 | // Look for an existing interface with the same name. | ||||||||
5036 | ObjCInterfaceDecl *MergeWithIface = nullptr; | ||||||||
5037 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
5038 | for (auto *FoundDecl : FoundDecls) { | ||||||||
5039 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary)) | ||||||||
5040 | continue; | ||||||||
5041 | |||||||||
5042 | if ((MergeWithIface = dyn_cast<ObjCInterfaceDecl>(FoundDecl))) | ||||||||
5043 | break; | ||||||||
5044 | } | ||||||||
5045 | |||||||||
5046 | // Create an interface declaration, if one does not already exist. | ||||||||
5047 | ObjCInterfaceDecl *ToIface = MergeWithIface; | ||||||||
5048 | if (!ToIface) { | ||||||||
5049 | ExpectedSLoc AtBeginLocOrErr = import(D->getAtStartLoc()); | ||||||||
5050 | if (!AtBeginLocOrErr) | ||||||||
5051 | return AtBeginLocOrErr.takeError(); | ||||||||
5052 | |||||||||
5053 | if (GetImportedOrCreateDecl( | ||||||||
5054 | ToIface, D, Importer.getToContext(), DC, | ||||||||
5055 | *AtBeginLocOrErr, Name.getAsIdentifierInfo(), | ||||||||
5056 | /*TypeParamList=*/nullptr, | ||||||||
5057 | /*PrevDecl=*/nullptr, Loc, D->isImplicitInterfaceDecl())) | ||||||||
5058 | return ToIface; | ||||||||
5059 | ToIface->setLexicalDeclContext(LexicalDC); | ||||||||
5060 | LexicalDC->addDeclInternal(ToIface); | ||||||||
5061 | } | ||||||||
5062 | Importer.MapImported(D, ToIface); | ||||||||
5063 | // Import the type parameter list after MapImported, to avoid | ||||||||
5064 | // loops when bringing in their DeclContext. | ||||||||
5065 | if (auto ToPListOrErr = | ||||||||
5066 | ImportObjCTypeParamList(D->getTypeParamListAsWritten())) | ||||||||
5067 | ToIface->setTypeParamList(*ToPListOrErr); | ||||||||
5068 | else | ||||||||
5069 | return ToPListOrErr.takeError(); | ||||||||
5070 | |||||||||
5071 | if (D->isThisDeclarationADefinition()) | ||||||||
5072 | if (Error Err = ImportDefinition(D, ToIface)) | ||||||||
5073 | return std::move(Err); | ||||||||
5074 | |||||||||
5075 | return ToIface; | ||||||||
5076 | } | ||||||||
5077 | |||||||||
5078 | ExpectedDecl | ||||||||
5079 | ASTNodeImporter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) { | ||||||||
5080 | ObjCCategoryDecl *Category; | ||||||||
5081 | if (Error Err = importInto(Category, D->getCategoryDecl())) | ||||||||
5082 | return std::move(Err); | ||||||||
5083 | |||||||||
5084 | ObjCCategoryImplDecl *ToImpl = Category->getImplementation(); | ||||||||
5085 | if (!ToImpl) { | ||||||||
5086 | DeclContext *DC, *LexicalDC; | ||||||||
5087 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | ||||||||
5088 | return std::move(Err); | ||||||||
5089 | |||||||||
5090 | Error Err = Error::success(); | ||||||||
5091 | auto ToLocation = importChecked(Err, D->getLocation()); | ||||||||
5092 | auto ToAtStartLoc = importChecked(Err, D->getAtStartLoc()); | ||||||||
5093 | auto ToCategoryNameLoc = importChecked(Err, D->getCategoryNameLoc()); | ||||||||
5094 | if (Err) | ||||||||
5095 | return std::move(Err); | ||||||||
5096 | |||||||||
5097 | if (GetImportedOrCreateDecl( | ||||||||
5098 | ToImpl, D, Importer.getToContext(), DC, | ||||||||
5099 | Importer.Import(D->getIdentifier()), Category->getClassInterface(), | ||||||||
5100 | ToLocation, ToAtStartLoc, ToCategoryNameLoc)) | ||||||||
5101 | return ToImpl; | ||||||||
5102 | |||||||||
5103 | ToImpl->setLexicalDeclContext(LexicalDC); | ||||||||
5104 | LexicalDC->addDeclInternal(ToImpl); | ||||||||
5105 | Category->setImplementation(ToImpl); | ||||||||
5106 | } | ||||||||
5107 | |||||||||
5108 | Importer.MapImported(D, ToImpl); | ||||||||
5109 | if (Error Err = ImportDeclContext(D)) | ||||||||
5110 | return std::move(Err); | ||||||||
5111 | |||||||||
5112 | return ToImpl; | ||||||||
5113 | } | ||||||||
5114 | |||||||||
5115 | ExpectedDecl | ||||||||
5116 | ASTNodeImporter::VisitObjCImplementationDecl(ObjCImplementationDecl *D) { | ||||||||
5117 | // Find the corresponding interface. | ||||||||
5118 | ObjCInterfaceDecl *Iface; | ||||||||
5119 | if (Error Err = importInto(Iface, D->getClassInterface())) | ||||||||
5120 | return std::move(Err); | ||||||||
5121 | |||||||||
5122 | // Import the superclass, if any. | ||||||||
5123 | ObjCInterfaceDecl *Super; | ||||||||
5124 | if (Error Err = importInto(Super, D->getSuperClass())) | ||||||||
5125 | return std::move(Err); | ||||||||
5126 | |||||||||
5127 | ObjCImplementationDecl *Impl = Iface->getImplementation(); | ||||||||
5128 | if (!Impl) { | ||||||||
5129 | // We haven't imported an implementation yet. Create a new @implementation | ||||||||
5130 | // now. | ||||||||
5131 | DeclContext *DC, *LexicalDC; | ||||||||
5132 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | ||||||||
5133 | return std::move(Err); | ||||||||
5134 | |||||||||
5135 | Error Err = Error::success(); | ||||||||
5136 | auto ToLocation = importChecked(Err, D->getLocation()); | ||||||||
5137 | auto ToAtStartLoc = importChecked(Err, D->getAtStartLoc()); | ||||||||
5138 | auto ToSuperClassLoc = importChecked(Err, D->getSuperClassLoc()); | ||||||||
5139 | auto ToIvarLBraceLoc = importChecked(Err, D->getIvarLBraceLoc()); | ||||||||
5140 | auto ToIvarRBraceLoc = importChecked(Err, D->getIvarRBraceLoc()); | ||||||||
5141 | if (Err) | ||||||||
5142 | return std::move(Err); | ||||||||
5143 | |||||||||
5144 | if (GetImportedOrCreateDecl(Impl, D, Importer.getToContext(), | ||||||||
5145 | DC, Iface, Super, | ||||||||
5146 | ToLocation, | ||||||||
5147 | ToAtStartLoc, | ||||||||
5148 | ToSuperClassLoc, | ||||||||
5149 | ToIvarLBraceLoc, | ||||||||
5150 | ToIvarRBraceLoc)) | ||||||||
5151 | return Impl; | ||||||||
5152 | |||||||||
5153 | Impl->setLexicalDeclContext(LexicalDC); | ||||||||
5154 | |||||||||
5155 | // Associate the implementation with the class it implements. | ||||||||
5156 | Iface->setImplementation(Impl); | ||||||||
5157 | Importer.MapImported(D, Iface->getImplementation()); | ||||||||
5158 | } else { | ||||||||
5159 | Importer.MapImported(D, Iface->getImplementation()); | ||||||||
5160 | |||||||||
5161 | // Verify that the existing @implementation has the same superclass. | ||||||||
5162 | if ((Super && !Impl->getSuperClass()) || | ||||||||
5163 | (!Super && Impl->getSuperClass()) || | ||||||||
5164 | (Super && Impl->getSuperClass() && | ||||||||
5165 | !declaresSameEntity(Super->getCanonicalDecl(), | ||||||||
5166 | Impl->getSuperClass()))) { | ||||||||
5167 | Importer.ToDiag(Impl->getLocation(), | ||||||||
5168 | diag::warn_odr_objc_superclass_inconsistent) | ||||||||
5169 | << Iface->getDeclName(); | ||||||||
5170 | // FIXME: It would be nice to have the location of the superclass | ||||||||
5171 | // below. | ||||||||
5172 | if (Impl->getSuperClass()) | ||||||||
5173 | Importer.ToDiag(Impl->getLocation(), | ||||||||
5174 | diag::note_odr_objc_superclass) | ||||||||
5175 | << Impl->getSuperClass()->getDeclName(); | ||||||||
5176 | else | ||||||||
5177 | Importer.ToDiag(Impl->getLocation(), | ||||||||
5178 | diag::note_odr_objc_missing_superclass); | ||||||||
5179 | if (D->getSuperClass()) | ||||||||
5180 | Importer.FromDiag(D->getLocation(), | ||||||||
5181 | diag::note_odr_objc_superclass) | ||||||||
5182 | << D->getSuperClass()->getDeclName(); | ||||||||
5183 | else | ||||||||
5184 | Importer.FromDiag(D->getLocation(), | ||||||||
5185 | diag::note_odr_objc_missing_superclass); | ||||||||
5186 | |||||||||
5187 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
5188 | } | ||||||||
5189 | } | ||||||||
5190 | |||||||||
5191 | // Import all of the members of this @implementation. | ||||||||
5192 | if (Error Err = ImportDeclContext(D)) | ||||||||
5193 | return std::move(Err); | ||||||||
5194 | |||||||||
5195 | return Impl; | ||||||||
5196 | } | ||||||||
5197 | |||||||||
5198 | ExpectedDecl ASTNodeImporter::VisitObjCPropertyDecl(ObjCPropertyDecl *D) { | ||||||||
5199 | // Import the major distinguishing characteristics of an @property. | ||||||||
5200 | DeclContext *DC, *LexicalDC; | ||||||||
5201 | DeclarationName Name; | ||||||||
5202 | SourceLocation Loc; | ||||||||
5203 | NamedDecl *ToD; | ||||||||
5204 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
5205 | return std::move(Err); | ||||||||
5206 | if (ToD) | ||||||||
5207 | return ToD; | ||||||||
5208 | |||||||||
5209 | // Check whether we have already imported this property. | ||||||||
5210 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
5211 | for (auto *FoundDecl : FoundDecls) { | ||||||||
5212 | if (auto *FoundProp = dyn_cast<ObjCPropertyDecl>(FoundDecl)) { | ||||||||
5213 | // Instance and class properties can share the same name but are different | ||||||||
5214 | // declarations. | ||||||||
5215 | if (FoundProp->isInstanceProperty() != D->isInstanceProperty()) | ||||||||
5216 | continue; | ||||||||
5217 | |||||||||
5218 | // Check property types. | ||||||||
5219 | if (!Importer.IsStructurallyEquivalent(D->getType(), | ||||||||
5220 | FoundProp->getType())) { | ||||||||
5221 | Importer.ToDiag(Loc, diag::warn_odr_objc_property_type_inconsistent) | ||||||||
5222 | << Name << D->getType() << FoundProp->getType(); | ||||||||
5223 | Importer.ToDiag(FoundProp->getLocation(), diag::note_odr_value_here) | ||||||||
5224 | << FoundProp->getType(); | ||||||||
5225 | |||||||||
5226 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
5227 | } | ||||||||
5228 | |||||||||
5229 | // FIXME: Check property attributes, getters, setters, etc.? | ||||||||
5230 | |||||||||
5231 | // Consider these properties to be equivalent. | ||||||||
5232 | Importer.MapImported(D, FoundProp); | ||||||||
5233 | return FoundProp; | ||||||||
5234 | } | ||||||||
5235 | } | ||||||||
5236 | |||||||||
5237 | Error Err = Error::success(); | ||||||||
5238 | auto ToType = importChecked(Err, D->getType()); | ||||||||
5239 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | ||||||||
5240 | auto ToAtLoc = importChecked(Err, D->getAtLoc()); | ||||||||
5241 | auto ToLParenLoc = importChecked(Err, D->getLParenLoc()); | ||||||||
5242 | if (Err) | ||||||||
5243 | return std::move(Err); | ||||||||
5244 | |||||||||
5245 | // Create the new property. | ||||||||
5246 | ObjCPropertyDecl *ToProperty; | ||||||||
5247 | if (GetImportedOrCreateDecl( | ||||||||
5248 | ToProperty, D, Importer.getToContext(), DC, Loc, | ||||||||
5249 | Name.getAsIdentifierInfo(), ToAtLoc, | ||||||||
5250 | ToLParenLoc, ToType, | ||||||||
5251 | ToTypeSourceInfo, D->getPropertyImplementation())) | ||||||||
5252 | return ToProperty; | ||||||||
5253 | |||||||||
5254 | auto ToGetterName = importChecked(Err, D->getGetterName()); | ||||||||
5255 | auto ToSetterName = importChecked(Err, D->getSetterName()); | ||||||||
5256 | auto ToGetterNameLoc = importChecked(Err, D->getGetterNameLoc()); | ||||||||
5257 | auto ToSetterNameLoc = importChecked(Err, D->getSetterNameLoc()); | ||||||||
5258 | auto ToGetterMethodDecl = importChecked(Err, D->getGetterMethodDecl()); | ||||||||
5259 | auto ToSetterMethodDecl = importChecked(Err, D->getSetterMethodDecl()); | ||||||||
5260 | auto ToPropertyIvarDecl = importChecked(Err, D->getPropertyIvarDecl()); | ||||||||
5261 | if (Err) | ||||||||
5262 | return std::move(Err); | ||||||||
5263 | |||||||||
5264 | ToProperty->setLexicalDeclContext(LexicalDC); | ||||||||
5265 | LexicalDC->addDeclInternal(ToProperty); | ||||||||
5266 | |||||||||
5267 | ToProperty->setPropertyAttributes(D->getPropertyAttributes()); | ||||||||
5268 | ToProperty->setPropertyAttributesAsWritten( | ||||||||
5269 | D->getPropertyAttributesAsWritten()); | ||||||||
5270 | ToProperty->setGetterName(ToGetterName, ToGetterNameLoc); | ||||||||
5271 | ToProperty->setSetterName(ToSetterName, ToSetterNameLoc); | ||||||||
5272 | ToProperty->setGetterMethodDecl(ToGetterMethodDecl); | ||||||||
5273 | ToProperty->setSetterMethodDecl(ToSetterMethodDecl); | ||||||||
5274 | ToProperty->setPropertyIvarDecl(ToPropertyIvarDecl); | ||||||||
5275 | return ToProperty; | ||||||||
5276 | } | ||||||||
5277 | |||||||||
5278 | ExpectedDecl | ||||||||
5279 | ASTNodeImporter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) { | ||||||||
5280 | ObjCPropertyDecl *Property; | ||||||||
5281 | if (Error Err = importInto(Property, D->getPropertyDecl())) | ||||||||
5282 | return std::move(Err); | ||||||||
5283 | |||||||||
5284 | DeclContext *DC, *LexicalDC; | ||||||||
5285 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | ||||||||
5286 | return std::move(Err); | ||||||||
5287 | |||||||||
5288 | auto *InImpl = cast<ObjCImplDecl>(LexicalDC); | ||||||||
5289 | |||||||||
5290 | // Import the ivar (for an @synthesize). | ||||||||
5291 | ObjCIvarDecl *Ivar = nullptr; | ||||||||
5292 | if (Error Err = importInto(Ivar, D->getPropertyIvarDecl())) | ||||||||
5293 | return std::move(Err); | ||||||||
5294 | |||||||||
5295 | ObjCPropertyImplDecl *ToImpl | ||||||||
5296 | = InImpl->FindPropertyImplDecl(Property->getIdentifier(), | ||||||||
5297 | Property->getQueryKind()); | ||||||||
5298 | if (!ToImpl) { | ||||||||
5299 | |||||||||
5300 | Error Err = Error::success(); | ||||||||
5301 | auto ToBeginLoc = importChecked(Err, D->getBeginLoc()); | ||||||||
5302 | auto ToLocation = importChecked(Err, D->getLocation()); | ||||||||
5303 | auto ToPropertyIvarDeclLoc = | ||||||||
5304 | importChecked(Err, D->getPropertyIvarDeclLoc()); | ||||||||
5305 | if (Err) | ||||||||
5306 | return std::move(Err); | ||||||||
5307 | |||||||||
5308 | if (GetImportedOrCreateDecl(ToImpl, D, Importer.getToContext(), DC, | ||||||||
5309 | ToBeginLoc, | ||||||||
5310 | ToLocation, Property, | ||||||||
5311 | D->getPropertyImplementation(), Ivar, | ||||||||
5312 | ToPropertyIvarDeclLoc)) | ||||||||
5313 | return ToImpl; | ||||||||
5314 | |||||||||
5315 | ToImpl->setLexicalDeclContext(LexicalDC); | ||||||||
5316 | LexicalDC->addDeclInternal(ToImpl); | ||||||||
5317 | } else { | ||||||||
5318 | // Check that we have the same kind of property implementation (@synthesize | ||||||||
5319 | // vs. @dynamic). | ||||||||
5320 | if (D->getPropertyImplementation() != ToImpl->getPropertyImplementation()) { | ||||||||
5321 | Importer.ToDiag(ToImpl->getLocation(), | ||||||||
5322 | diag::warn_odr_objc_property_impl_kind_inconsistent) | ||||||||
5323 | << Property->getDeclName() | ||||||||
5324 | << (ToImpl->getPropertyImplementation() | ||||||||
5325 | == ObjCPropertyImplDecl::Dynamic); | ||||||||
5326 | Importer.FromDiag(D->getLocation(), | ||||||||
5327 | diag::note_odr_objc_property_impl_kind) | ||||||||
5328 | << D->getPropertyDecl()->getDeclName() | ||||||||
5329 | << (D->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic); | ||||||||
5330 | |||||||||
5331 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
5332 | } | ||||||||
5333 | |||||||||
5334 | // For @synthesize, check that we have the same | ||||||||
5335 | if (D->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize && | ||||||||
5336 | Ivar != ToImpl->getPropertyIvarDecl()) { | ||||||||
5337 | Importer.ToDiag(ToImpl->getPropertyIvarDeclLoc(), | ||||||||
5338 | diag::warn_odr_objc_synthesize_ivar_inconsistent) | ||||||||
5339 | << Property->getDeclName() | ||||||||
5340 | << ToImpl->getPropertyIvarDecl()->getDeclName() | ||||||||
5341 | << Ivar->getDeclName(); | ||||||||
5342 | Importer.FromDiag(D->getPropertyIvarDeclLoc(), | ||||||||
5343 | diag::note_odr_objc_synthesize_ivar_here) | ||||||||
5344 | << D->getPropertyIvarDecl()->getDeclName(); | ||||||||
5345 | |||||||||
5346 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
5347 | } | ||||||||
5348 | |||||||||
5349 | // Merge the existing implementation with the new implementation. | ||||||||
5350 | Importer.MapImported(D, ToImpl); | ||||||||
5351 | } | ||||||||
5352 | |||||||||
5353 | return ToImpl; | ||||||||
5354 | } | ||||||||
5355 | |||||||||
5356 | ExpectedDecl | ||||||||
5357 | ASTNodeImporter::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) { | ||||||||
5358 | // For template arguments, we adopt the translation unit as our declaration | ||||||||
5359 | // context. This context will be fixed when the actual template declaration | ||||||||
5360 | // is created. | ||||||||
5361 | |||||||||
5362 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); | ||||||||
5363 | if (!BeginLocOrErr) | ||||||||
5364 | return BeginLocOrErr.takeError(); | ||||||||
5365 | |||||||||
5366 | ExpectedSLoc LocationOrErr = import(D->getLocation()); | ||||||||
5367 | if (!LocationOrErr) | ||||||||
5368 | return LocationOrErr.takeError(); | ||||||||
5369 | |||||||||
5370 | TemplateTypeParmDecl *ToD = nullptr; | ||||||||
5371 | if (GetImportedOrCreateDecl( | ||||||||
5372 | ToD, D, Importer.getToContext(), | ||||||||
5373 | Importer.getToContext().getTranslationUnitDecl(), | ||||||||
5374 | *BeginLocOrErr, *LocationOrErr, | ||||||||
5375 | D->getDepth(), D->getIndex(), Importer.Import(D->getIdentifier()), | ||||||||
5376 | D->wasDeclaredWithTypename(), D->isParameterPack(), | ||||||||
5377 | D->hasTypeConstraint())) | ||||||||
5378 | return ToD; | ||||||||
5379 | |||||||||
5380 | // Import the type-constraint | ||||||||
5381 | if (const TypeConstraint *TC = D->getTypeConstraint()) { | ||||||||
5382 | |||||||||
5383 | Error Err = Error::success(); | ||||||||
5384 | auto ToNNS = importChecked(Err, TC->getNestedNameSpecifierLoc()); | ||||||||
5385 | auto ToName = importChecked(Err, TC->getConceptNameInfo().getName()); | ||||||||
5386 | auto ToNameLoc = importChecked(Err, TC->getConceptNameInfo().getLoc()); | ||||||||
5387 | auto ToFoundDecl = importChecked(Err, TC->getFoundDecl()); | ||||||||
5388 | auto ToNamedConcept = importChecked(Err, TC->getNamedConcept()); | ||||||||
5389 | auto ToIDC = importChecked(Err, TC->getImmediatelyDeclaredConstraint()); | ||||||||
5390 | if (Err) | ||||||||
5391 | return std::move(Err); | ||||||||
5392 | |||||||||
5393 | TemplateArgumentListInfo ToTAInfo; | ||||||||
5394 | const auto *ASTTemplateArgs = TC->getTemplateArgsAsWritten(); | ||||||||
5395 | if (ASTTemplateArgs) | ||||||||
5396 | if (Error Err = ImportTemplateArgumentListInfo(*ASTTemplateArgs, | ||||||||
5397 | ToTAInfo)) | ||||||||
5398 | return std::move(Err); | ||||||||
5399 | |||||||||
5400 | ToD->setTypeConstraint(ToNNS, DeclarationNameInfo(ToName, ToNameLoc), | ||||||||
5401 | ToFoundDecl, ToNamedConcept, | ||||||||
5402 | ASTTemplateArgs ? | ||||||||
5403 | ASTTemplateArgumentListInfo::Create(Importer.getToContext(), | ||||||||
5404 | ToTAInfo) : nullptr, | ||||||||
5405 | ToIDC); | ||||||||
5406 | } | ||||||||
5407 | |||||||||
5408 | if (D->hasDefaultArgument()) { | ||||||||
5409 | Expected<TypeSourceInfo *> ToDefaultArgOrErr = | ||||||||
5410 | import(D->getDefaultArgumentInfo()); | ||||||||
5411 | if (!ToDefaultArgOrErr) | ||||||||
5412 | return ToDefaultArgOrErr.takeError(); | ||||||||
5413 | ToD->setDefaultArgument(*ToDefaultArgOrErr); | ||||||||
5414 | } | ||||||||
5415 | |||||||||
5416 | return ToD; | ||||||||
5417 | } | ||||||||
5418 | |||||||||
5419 | ExpectedDecl | ||||||||
5420 | ASTNodeImporter::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) { | ||||||||
5421 | |||||||||
5422 | Error Err = Error::success(); | ||||||||
5423 | auto ToDeclName = importChecked(Err, D->getDeclName()); | ||||||||
5424 | auto ToLocation = importChecked(Err, D->getLocation()); | ||||||||
5425 | auto ToType = importChecked(Err, D->getType()); | ||||||||
5426 | auto ToTypeSourceInfo = importChecked(Err, D->getTypeSourceInfo()); | ||||||||
5427 | auto ToInnerLocStart = importChecked(Err, D->getInnerLocStart()); | ||||||||
5428 | if (Err) | ||||||||
5429 | return std::move(Err); | ||||||||
5430 | |||||||||
5431 | NonTypeTemplateParmDecl *ToD = nullptr; | ||||||||
5432 | if (GetImportedOrCreateDecl(ToD, D, Importer.getToContext(), | ||||||||
5433 | Importer.getToContext().getTranslationUnitDecl(), | ||||||||
5434 | ToInnerLocStart, ToLocation, D->getDepth(), | ||||||||
5435 | D->getPosition(), | ||||||||
5436 | ToDeclName.getAsIdentifierInfo(), ToType, | ||||||||
5437 | D->isParameterPack(), ToTypeSourceInfo)) | ||||||||
5438 | return ToD; | ||||||||
5439 | |||||||||
5440 | if (D->hasDefaultArgument()) { | ||||||||
5441 | ExpectedExpr ToDefaultArgOrErr = import(D->getDefaultArgument()); | ||||||||
5442 | if (!ToDefaultArgOrErr) | ||||||||
5443 | return ToDefaultArgOrErr.takeError(); | ||||||||
5444 | ToD->setDefaultArgument(*ToDefaultArgOrErr); | ||||||||
5445 | } | ||||||||
5446 | |||||||||
5447 | return ToD; | ||||||||
5448 | } | ||||||||
5449 | |||||||||
5450 | ExpectedDecl | ||||||||
5451 | ASTNodeImporter::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) { | ||||||||
5452 | // Import the name of this declaration. | ||||||||
5453 | auto NameOrErr = import(D->getDeclName()); | ||||||||
5454 | if (!NameOrErr) | ||||||||
5455 | return NameOrErr.takeError(); | ||||||||
5456 | |||||||||
5457 | // Import the location of this declaration. | ||||||||
5458 | ExpectedSLoc LocationOrErr = import(D->getLocation()); | ||||||||
5459 | if (!LocationOrErr) | ||||||||
5460 | return LocationOrErr.takeError(); | ||||||||
5461 | |||||||||
5462 | // Import template parameters. | ||||||||
5463 | auto TemplateParamsOrErr = import(D->getTemplateParameters()); | ||||||||
5464 | if (!TemplateParamsOrErr) | ||||||||
5465 | return TemplateParamsOrErr.takeError(); | ||||||||
5466 | |||||||||
5467 | TemplateTemplateParmDecl *ToD = nullptr; | ||||||||
5468 | if (GetImportedOrCreateDecl( | ||||||||
5469 | ToD, D, Importer.getToContext(), | ||||||||
5470 | Importer.getToContext().getTranslationUnitDecl(), *LocationOrErr, | ||||||||
5471 | D->getDepth(), D->getPosition(), D->isParameterPack(), | ||||||||
5472 | (*NameOrErr).getAsIdentifierInfo(), *TemplateParamsOrErr)) | ||||||||
5473 | return ToD; | ||||||||
5474 | |||||||||
5475 | if (D->hasDefaultArgument()) { | ||||||||
5476 | Expected<TemplateArgumentLoc> ToDefaultArgOrErr = | ||||||||
5477 | import(D->getDefaultArgument()); | ||||||||
5478 | if (!ToDefaultArgOrErr) | ||||||||
5479 | return ToDefaultArgOrErr.takeError(); | ||||||||
5480 | ToD->setDefaultArgument(Importer.getToContext(), *ToDefaultArgOrErr); | ||||||||
5481 | } | ||||||||
5482 | |||||||||
5483 | return ToD; | ||||||||
5484 | } | ||||||||
5485 | |||||||||
5486 | // Returns the definition for a (forward) declaration of a TemplateDecl, if | ||||||||
5487 | // it has any definition in the redecl chain. | ||||||||
5488 | template <typename T> static auto getTemplateDefinition(T *D) -> T * { | ||||||||
5489 | assert(D->getTemplatedDecl() && "Should be called on templates only")(static_cast <bool> (D->getTemplatedDecl() && "Should be called on templates only") ? void (0) : __assert_fail ("D->getTemplatedDecl() && \"Should be called on templates only\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 5489, __extension__ __PRETTY_FUNCTION__)); | ||||||||
5490 | auto *ToTemplatedDef = D->getTemplatedDecl()->getDefinition(); | ||||||||
5491 | if (!ToTemplatedDef) | ||||||||
5492 | return nullptr; | ||||||||
5493 | auto *TemplateWithDef = ToTemplatedDef->getDescribedTemplate(); | ||||||||
5494 | return cast_or_null<T>(TemplateWithDef); | ||||||||
5495 | } | ||||||||
5496 | |||||||||
5497 | ExpectedDecl ASTNodeImporter::VisitClassTemplateDecl(ClassTemplateDecl *D) { | ||||||||
5498 | |||||||||
5499 | // Import the major distinguishing characteristics of this class template. | ||||||||
5500 | DeclContext *DC, *LexicalDC; | ||||||||
5501 | DeclarationName Name; | ||||||||
5502 | SourceLocation Loc; | ||||||||
5503 | NamedDecl *ToD; | ||||||||
5504 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
5505 | return std::move(Err); | ||||||||
5506 | if (ToD) | ||||||||
5507 | return ToD; | ||||||||
5508 | |||||||||
5509 | ClassTemplateDecl *FoundByLookup = nullptr; | ||||||||
5510 | |||||||||
5511 | // We may already have a template of the same name; try to find and match it. | ||||||||
5512 | if (!DC->isFunctionOrMethod()) { | ||||||||
5513 | SmallVector<NamedDecl *, 4> ConflictingDecls; | ||||||||
5514 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
5515 | for (auto *FoundDecl : FoundDecls) { | ||||||||
5516 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary | | ||||||||
5517 | Decl::IDNS_TagFriend)) | ||||||||
5518 | continue; | ||||||||
5519 | |||||||||
5520 | Decl *Found = FoundDecl; | ||||||||
5521 | auto *FoundTemplate = dyn_cast<ClassTemplateDecl>(Found); | ||||||||
5522 | if (FoundTemplate) { | ||||||||
5523 | if (!hasSameVisibilityContextAndLinkage(FoundTemplate, D)) | ||||||||
5524 | continue; | ||||||||
5525 | |||||||||
5526 | if (IsStructuralMatch(D, FoundTemplate)) { | ||||||||
5527 | ClassTemplateDecl *TemplateWithDef = | ||||||||
5528 | getTemplateDefinition(FoundTemplate); | ||||||||
5529 | if (D->isThisDeclarationADefinition() && TemplateWithDef) | ||||||||
5530 | return Importer.MapImported(D, TemplateWithDef); | ||||||||
5531 | if (!FoundByLookup) | ||||||||
5532 | FoundByLookup = FoundTemplate; | ||||||||
5533 | // Search in all matches because there may be multiple decl chains, | ||||||||
5534 | // see ASTTests test ImportExistingFriendClassTemplateDef. | ||||||||
5535 | continue; | ||||||||
5536 | } | ||||||||
5537 | ConflictingDecls.push_back(FoundDecl); | ||||||||
5538 | } | ||||||||
5539 | } | ||||||||
5540 | |||||||||
5541 | if (!ConflictingDecls.empty()) { | ||||||||
5542 | ExpectedName NameOrErr = Importer.HandleNameConflict( | ||||||||
5543 | Name, DC, Decl::IDNS_Ordinary, ConflictingDecls.data(), | ||||||||
5544 | ConflictingDecls.size()); | ||||||||
5545 | if (NameOrErr) | ||||||||
5546 | Name = NameOrErr.get(); | ||||||||
5547 | else | ||||||||
5548 | return NameOrErr.takeError(); | ||||||||
5549 | } | ||||||||
5550 | } | ||||||||
5551 | |||||||||
5552 | CXXRecordDecl *FromTemplated = D->getTemplatedDecl(); | ||||||||
5553 | |||||||||
5554 | auto TemplateParamsOrErr = import(D->getTemplateParameters()); | ||||||||
5555 | if (!TemplateParamsOrErr) | ||||||||
5556 | return TemplateParamsOrErr.takeError(); | ||||||||
5557 | |||||||||
5558 | // Create the declaration that is being templated. | ||||||||
5559 | CXXRecordDecl *ToTemplated; | ||||||||
5560 | if (Error Err = importInto(ToTemplated, FromTemplated)) | ||||||||
5561 | return std::move(Err); | ||||||||
5562 | |||||||||
5563 | // Create the class template declaration itself. | ||||||||
5564 | ClassTemplateDecl *D2; | ||||||||
5565 | if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), DC, Loc, Name, | ||||||||
5566 | *TemplateParamsOrErr, ToTemplated)) | ||||||||
5567 | return D2; | ||||||||
5568 | |||||||||
5569 | ToTemplated->setDescribedClassTemplate(D2); | ||||||||
5570 | |||||||||
5571 | D2->setAccess(D->getAccess()); | ||||||||
5572 | D2->setLexicalDeclContext(LexicalDC); | ||||||||
5573 | |||||||||
5574 | addDeclToContexts(D, D2); | ||||||||
5575 | updateLookupTableForTemplateParameters(**TemplateParamsOrErr); | ||||||||
5576 | |||||||||
5577 | if (FoundByLookup) { | ||||||||
5578 | auto *Recent = | ||||||||
5579 | const_cast<ClassTemplateDecl *>(FoundByLookup->getMostRecentDecl()); | ||||||||
5580 | |||||||||
5581 | // It is possible that during the import of the class template definition | ||||||||
5582 | // we start the import of a fwd friend decl of the very same class template | ||||||||
5583 | // and we add the fwd friend decl to the lookup table. But the ToTemplated | ||||||||
5584 | // had been created earlier and by that time the lookup could not find | ||||||||
5585 | // anything existing, so it has no previous decl. Later, (still during the | ||||||||
5586 | // import of the fwd friend decl) we start to import the definition again | ||||||||
5587 | // and this time the lookup finds the previous fwd friend class template. | ||||||||
5588 | // In this case we must set up the previous decl for the templated decl. | ||||||||
5589 | if (!ToTemplated->getPreviousDecl()) { | ||||||||
5590 | assert(FoundByLookup->getTemplatedDecl() &&(static_cast <bool> (FoundByLookup->getTemplatedDecl () && "Found decl must have its templated decl set") ? void (0) : __assert_fail ("FoundByLookup->getTemplatedDecl() && \"Found decl must have its templated decl set\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 5591, __extension__ __PRETTY_FUNCTION__)) | ||||||||
5591 | "Found decl must have its templated decl set")(static_cast <bool> (FoundByLookup->getTemplatedDecl () && "Found decl must have its templated decl set") ? void (0) : __assert_fail ("FoundByLookup->getTemplatedDecl() && \"Found decl must have its templated decl set\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 5591, __extension__ __PRETTY_FUNCTION__)); | ||||||||
5592 | CXXRecordDecl *PrevTemplated = | ||||||||
5593 | FoundByLookup->getTemplatedDecl()->getMostRecentDecl(); | ||||||||
5594 | if (ToTemplated != PrevTemplated) | ||||||||
5595 | ToTemplated->setPreviousDecl(PrevTemplated); | ||||||||
5596 | } | ||||||||
5597 | |||||||||
5598 | D2->setPreviousDecl(Recent); | ||||||||
5599 | } | ||||||||
5600 | |||||||||
5601 | if (FromTemplated->isCompleteDefinition() && | ||||||||
5602 | !ToTemplated->isCompleteDefinition()) { | ||||||||
5603 | // FIXME: Import definition! | ||||||||
5604 | } | ||||||||
5605 | |||||||||
5606 | return D2; | ||||||||
5607 | } | ||||||||
5608 | |||||||||
5609 | ExpectedDecl ASTNodeImporter::VisitClassTemplateSpecializationDecl( | ||||||||
5610 | ClassTemplateSpecializationDecl *D) { | ||||||||
5611 | ClassTemplateDecl *ClassTemplate; | ||||||||
5612 | if (Error Err = importInto(ClassTemplate, D->getSpecializedTemplate())) | ||||||||
5613 | return std::move(Err); | ||||||||
5614 | |||||||||
5615 | // Import the context of this declaration. | ||||||||
5616 | DeclContext *DC, *LexicalDC; | ||||||||
5617 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | ||||||||
5618 | return std::move(Err); | ||||||||
5619 | |||||||||
5620 | // Import template arguments. | ||||||||
5621 | SmallVector<TemplateArgument, 2> TemplateArgs; | ||||||||
5622 | if (Error Err = ImportTemplateArguments( | ||||||||
5623 | D->getTemplateArgs().data(), D->getTemplateArgs().size(), TemplateArgs)) | ||||||||
5624 | return std::move(Err); | ||||||||
5625 | // Try to find an existing specialization with these template arguments and | ||||||||
5626 | // template parameter list. | ||||||||
5627 | void *InsertPos = nullptr; | ||||||||
5628 | ClassTemplateSpecializationDecl *PrevDecl = nullptr; | ||||||||
5629 | ClassTemplatePartialSpecializationDecl *PartialSpec = | ||||||||
5630 | dyn_cast<ClassTemplatePartialSpecializationDecl>(D); | ||||||||
5631 | |||||||||
5632 | // Import template parameters. | ||||||||
5633 | TemplateParameterList *ToTPList = nullptr; | ||||||||
5634 | |||||||||
5635 | if (PartialSpec
| ||||||||
5636 | auto ToTPListOrErr = import(PartialSpec->getTemplateParameters()); | ||||||||
5637 | if (!ToTPListOrErr) | ||||||||
5638 | return ToTPListOrErr.takeError(); | ||||||||
5639 | ToTPList = *ToTPListOrErr; | ||||||||
5640 | PrevDecl = ClassTemplate->findPartialSpecialization(TemplateArgs, | ||||||||
| |||||||||
5641 | *ToTPListOrErr, | ||||||||
5642 | InsertPos); | ||||||||
5643 | } else | ||||||||
5644 | PrevDecl = ClassTemplate->findSpecialization(TemplateArgs, InsertPos); | ||||||||
5645 | |||||||||
5646 | if (PrevDecl) { | ||||||||
5647 | if (IsStructuralMatch(D, PrevDecl)) { | ||||||||
5648 | CXXRecordDecl *PrevDefinition = PrevDecl->getDefinition(); | ||||||||
5649 | if (D->isThisDeclarationADefinition() && PrevDefinition) { | ||||||||
5650 | Importer.MapImported(D, PrevDefinition); | ||||||||
5651 | // Import those default field initializers which have been | ||||||||
5652 | // instantiated in the "From" context, but not in the "To" context. | ||||||||
5653 | for (auto *FromField : D->fields()) { | ||||||||
5654 | auto ToOrErr = import(FromField); | ||||||||
5655 | if (!ToOrErr) | ||||||||
5656 | return ToOrErr.takeError(); | ||||||||
5657 | } | ||||||||
5658 | |||||||||
5659 | // Import those methods which have been instantiated in the | ||||||||
5660 | // "From" context, but not in the "To" context. | ||||||||
5661 | for (CXXMethodDecl *FromM : D->methods()) { | ||||||||
5662 | auto ToOrErr = import(FromM); | ||||||||
5663 | if (!ToOrErr) | ||||||||
5664 | return ToOrErr.takeError(); | ||||||||
5665 | } | ||||||||
5666 | |||||||||
5667 | // TODO Import instantiated default arguments. | ||||||||
5668 | // TODO Import instantiated exception specifications. | ||||||||
5669 | // | ||||||||
5670 | // Generally, ASTCommon.h/DeclUpdateKind enum gives a very good hint | ||||||||
5671 | // what else could be fused during an AST merge. | ||||||||
5672 | return PrevDefinition; | ||||||||
5673 | } | ||||||||
5674 | } else { // ODR violation. | ||||||||
5675 | // FIXME HandleNameConflict | ||||||||
5676 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
5677 | } | ||||||||
5678 | } | ||||||||
5679 | |||||||||
5680 | // Import the location of this declaration. | ||||||||
5681 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); | ||||||||
5682 | if (!BeginLocOrErr) | ||||||||
5683 | return BeginLocOrErr.takeError(); | ||||||||
5684 | ExpectedSLoc IdLocOrErr = import(D->getLocation()); | ||||||||
5685 | if (!IdLocOrErr) | ||||||||
5686 | return IdLocOrErr.takeError(); | ||||||||
5687 | |||||||||
5688 | // Create the specialization. | ||||||||
5689 | ClassTemplateSpecializationDecl *D2 = nullptr; | ||||||||
5690 | if (PartialSpec) { | ||||||||
5691 | // Import TemplateArgumentListInfo. | ||||||||
5692 | TemplateArgumentListInfo ToTAInfo; | ||||||||
5693 | const auto &ASTTemplateArgs = *PartialSpec->getTemplateArgsAsWritten(); | ||||||||
5694 | if (Error Err = ImportTemplateArgumentListInfo(ASTTemplateArgs, ToTAInfo)) | ||||||||
5695 | return std::move(Err); | ||||||||
5696 | |||||||||
5697 | QualType CanonInjType; | ||||||||
5698 | if (Error Err = importInto( | ||||||||
5699 | CanonInjType, PartialSpec->getInjectedSpecializationType())) | ||||||||
5700 | return std::move(Err); | ||||||||
5701 | CanonInjType = CanonInjType.getCanonicalType(); | ||||||||
5702 | |||||||||
5703 | if (GetImportedOrCreateDecl<ClassTemplatePartialSpecializationDecl>( | ||||||||
5704 | D2, D, Importer.getToContext(), D->getTagKind(), DC, | ||||||||
5705 | *BeginLocOrErr, *IdLocOrErr, ToTPList, ClassTemplate, | ||||||||
5706 | llvm::makeArrayRef(TemplateArgs.data(), TemplateArgs.size()), | ||||||||
5707 | ToTAInfo, CanonInjType, | ||||||||
5708 | cast_or_null<ClassTemplatePartialSpecializationDecl>(PrevDecl))) | ||||||||
5709 | return D2; | ||||||||
5710 | |||||||||
5711 | // Update InsertPos, because preceding import calls may have invalidated | ||||||||
5712 | // it by adding new specializations. | ||||||||
5713 | auto *PartSpec2 = cast<ClassTemplatePartialSpecializationDecl>(D2); | ||||||||
5714 | if (!ClassTemplate->findPartialSpecialization(TemplateArgs, ToTPList, | ||||||||
5715 | InsertPos)) | ||||||||
5716 | // Add this partial specialization to the class template. | ||||||||
5717 | ClassTemplate->AddPartialSpecialization(PartSpec2, InsertPos); | ||||||||
5718 | |||||||||
5719 | updateLookupTableForTemplateParameters(*ToTPList); | ||||||||
5720 | } else { // Not a partial specialization. | ||||||||
5721 | if (GetImportedOrCreateDecl( | ||||||||
5722 | D2, D, Importer.getToContext(), D->getTagKind(), DC, | ||||||||
5723 | *BeginLocOrErr, *IdLocOrErr, ClassTemplate, TemplateArgs, | ||||||||
5724 | PrevDecl)) | ||||||||
5725 | return D2; | ||||||||
5726 | |||||||||
5727 | // Update InsertPos, because preceding import calls may have invalidated | ||||||||
5728 | // it by adding new specializations. | ||||||||
5729 | if (!ClassTemplate->findSpecialization(TemplateArgs, InsertPos)) | ||||||||
5730 | // Add this specialization to the class template. | ||||||||
5731 | ClassTemplate->AddSpecialization(D2, InsertPos); | ||||||||
5732 | } | ||||||||
5733 | |||||||||
5734 | D2->setSpecializationKind(D->getSpecializationKind()); | ||||||||
5735 | |||||||||
5736 | // Set the context of this specialization/instantiation. | ||||||||
5737 | D2->setLexicalDeclContext(LexicalDC); | ||||||||
5738 | |||||||||
5739 | // Add to the DC only if it was an explicit specialization/instantiation. | ||||||||
5740 | if (D2->isExplicitInstantiationOrSpecialization()) { | ||||||||
5741 | LexicalDC->addDeclInternal(D2); | ||||||||
5742 | } | ||||||||
5743 | |||||||||
5744 | if (auto BraceRangeOrErr = import(D->getBraceRange())) | ||||||||
5745 | D2->setBraceRange(*BraceRangeOrErr); | ||||||||
5746 | else | ||||||||
5747 | return BraceRangeOrErr.takeError(); | ||||||||
5748 | |||||||||
5749 | // Import the qualifier, if any. | ||||||||
5750 | if (auto LocOrErr = import(D->getQualifierLoc())) | ||||||||
5751 | D2->setQualifierInfo(*LocOrErr); | ||||||||
5752 | else | ||||||||
5753 | return LocOrErr.takeError(); | ||||||||
5754 | |||||||||
5755 | if (auto *TSI = D->getTypeAsWritten()) { | ||||||||
5756 | if (auto TInfoOrErr = import(TSI)) | ||||||||
5757 | D2->setTypeAsWritten(*TInfoOrErr); | ||||||||
5758 | else | ||||||||
5759 | return TInfoOrErr.takeError(); | ||||||||
5760 | |||||||||
5761 | if (auto LocOrErr = import(D->getTemplateKeywordLoc())) | ||||||||
5762 | D2->setTemplateKeywordLoc(*LocOrErr); | ||||||||
5763 | else | ||||||||
5764 | return LocOrErr.takeError(); | ||||||||
5765 | |||||||||
5766 | if (auto LocOrErr = import(D->getExternLoc())) | ||||||||
5767 | D2->setExternLoc(*LocOrErr); | ||||||||
5768 | else | ||||||||
5769 | return LocOrErr.takeError(); | ||||||||
5770 | } | ||||||||
5771 | |||||||||
5772 | if (D->getPointOfInstantiation().isValid()) { | ||||||||
5773 | if (auto POIOrErr = import(D->getPointOfInstantiation())) | ||||||||
5774 | D2->setPointOfInstantiation(*POIOrErr); | ||||||||
5775 | else | ||||||||
5776 | return POIOrErr.takeError(); | ||||||||
5777 | } | ||||||||
5778 | |||||||||
5779 | D2->setTemplateSpecializationKind(D->getTemplateSpecializationKind()); | ||||||||
5780 | |||||||||
5781 | if (D->isCompleteDefinition()) | ||||||||
5782 | if (Error Err = ImportDefinition(D, D2)) | ||||||||
5783 | return std::move(Err); | ||||||||
5784 | |||||||||
5785 | return D2; | ||||||||
5786 | } | ||||||||
5787 | |||||||||
5788 | ExpectedDecl ASTNodeImporter::VisitVarTemplateDecl(VarTemplateDecl *D) { | ||||||||
5789 | // Import the major distinguishing characteristics of this variable template. | ||||||||
5790 | DeclContext *DC, *LexicalDC; | ||||||||
5791 | DeclarationName Name; | ||||||||
5792 | SourceLocation Loc; | ||||||||
5793 | NamedDecl *ToD; | ||||||||
5794 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
5795 | return std::move(Err); | ||||||||
5796 | if (ToD) | ||||||||
5797 | return ToD; | ||||||||
5798 | |||||||||
5799 | // We may already have a template of the same name; try to find and match it. | ||||||||
5800 | assert(!DC->isFunctionOrMethod() &&(static_cast <bool> (!DC->isFunctionOrMethod() && "Variable templates cannot be declared at function scope") ? void (0) : __assert_fail ("!DC->isFunctionOrMethod() && \"Variable templates cannot be declared at function scope\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 5801, __extension__ __PRETTY_FUNCTION__)) | ||||||||
5801 | "Variable templates cannot be declared at function scope")(static_cast <bool> (!DC->isFunctionOrMethod() && "Variable templates cannot be declared at function scope") ? void (0) : __assert_fail ("!DC->isFunctionOrMethod() && \"Variable templates cannot be declared at function scope\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 5801, __extension__ __PRETTY_FUNCTION__)); | ||||||||
5802 | |||||||||
5803 | SmallVector<NamedDecl *, 4> ConflictingDecls; | ||||||||
5804 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
5805 | VarTemplateDecl *FoundByLookup = nullptr; | ||||||||
5806 | for (auto *FoundDecl : FoundDecls) { | ||||||||
5807 | if (!FoundDecl->isInIdentifierNamespace(Decl::IDNS_Ordinary)) | ||||||||
5808 | continue; | ||||||||
5809 | |||||||||
5810 | if (VarTemplateDecl *FoundTemplate = dyn_cast<VarTemplateDecl>(FoundDecl)) { | ||||||||
5811 | // Use the templated decl, some linkage flags are set only there. | ||||||||
5812 | if (!hasSameVisibilityContextAndLinkage(FoundTemplate->getTemplatedDecl(), | ||||||||
5813 | D->getTemplatedDecl())) | ||||||||
5814 | continue; | ||||||||
5815 | if (IsStructuralMatch(D, FoundTemplate)) { | ||||||||
5816 | // The Decl in the "From" context has a definition, but in the | ||||||||
5817 | // "To" context we already have a definition. | ||||||||
5818 | VarTemplateDecl *FoundDef = getTemplateDefinition(FoundTemplate); | ||||||||
5819 | if (D->isThisDeclarationADefinition() && FoundDef) | ||||||||
5820 | // FIXME Check for ODR error if the two definitions have | ||||||||
5821 | // different initializers? | ||||||||
5822 | return Importer.MapImported(D, FoundDef); | ||||||||
5823 | |||||||||
5824 | FoundByLookup = FoundTemplate; | ||||||||
5825 | break; | ||||||||
5826 | } | ||||||||
5827 | ConflictingDecls.push_back(FoundDecl); | ||||||||
5828 | } | ||||||||
5829 | } | ||||||||
5830 | |||||||||
5831 | if (!ConflictingDecls.empty()) { | ||||||||
5832 | ExpectedName NameOrErr = Importer.HandleNameConflict( | ||||||||
5833 | Name, DC, Decl::IDNS_Ordinary, ConflictingDecls.data(), | ||||||||
5834 | ConflictingDecls.size()); | ||||||||
5835 | if (NameOrErr) | ||||||||
5836 | Name = NameOrErr.get(); | ||||||||
5837 | else | ||||||||
5838 | return NameOrErr.takeError(); | ||||||||
5839 | } | ||||||||
5840 | |||||||||
5841 | VarDecl *DTemplated = D->getTemplatedDecl(); | ||||||||
5842 | |||||||||
5843 | // Import the type. | ||||||||
5844 | // FIXME: Value not used? | ||||||||
5845 | ExpectedType TypeOrErr = import(DTemplated->getType()); | ||||||||
5846 | if (!TypeOrErr) | ||||||||
5847 | return TypeOrErr.takeError(); | ||||||||
5848 | |||||||||
5849 | // Create the declaration that is being templated. | ||||||||
5850 | VarDecl *ToTemplated; | ||||||||
5851 | if (Error Err = importInto(ToTemplated, DTemplated)) | ||||||||
5852 | return std::move(Err); | ||||||||
5853 | |||||||||
5854 | // Create the variable template declaration itself. | ||||||||
5855 | auto TemplateParamsOrErr = import(D->getTemplateParameters()); | ||||||||
5856 | if (!TemplateParamsOrErr) | ||||||||
5857 | return TemplateParamsOrErr.takeError(); | ||||||||
5858 | |||||||||
5859 | VarTemplateDecl *ToVarTD; | ||||||||
5860 | if (GetImportedOrCreateDecl(ToVarTD, D, Importer.getToContext(), DC, Loc, | ||||||||
5861 | Name, *TemplateParamsOrErr, ToTemplated)) | ||||||||
5862 | return ToVarTD; | ||||||||
5863 | |||||||||
5864 | ToTemplated->setDescribedVarTemplate(ToVarTD); | ||||||||
5865 | |||||||||
5866 | ToVarTD->setAccess(D->getAccess()); | ||||||||
5867 | ToVarTD->setLexicalDeclContext(LexicalDC); | ||||||||
5868 | LexicalDC->addDeclInternal(ToVarTD); | ||||||||
5869 | if (DC != Importer.getToContext().getTranslationUnitDecl()) | ||||||||
5870 | updateLookupTableForTemplateParameters(**TemplateParamsOrErr); | ||||||||
5871 | |||||||||
5872 | if (FoundByLookup) { | ||||||||
5873 | auto *Recent = | ||||||||
5874 | const_cast<VarTemplateDecl *>(FoundByLookup->getMostRecentDecl()); | ||||||||
5875 | if (!ToTemplated->getPreviousDecl()) { | ||||||||
5876 | auto *PrevTemplated = | ||||||||
5877 | FoundByLookup->getTemplatedDecl()->getMostRecentDecl(); | ||||||||
5878 | if (ToTemplated != PrevTemplated) | ||||||||
5879 | ToTemplated->setPreviousDecl(PrevTemplated); | ||||||||
5880 | } | ||||||||
5881 | ToVarTD->setPreviousDecl(Recent); | ||||||||
5882 | } | ||||||||
5883 | |||||||||
5884 | if (DTemplated->isThisDeclarationADefinition() && | ||||||||
5885 | !ToTemplated->isThisDeclarationADefinition()) { | ||||||||
5886 | // FIXME: Import definition! | ||||||||
5887 | } | ||||||||
5888 | |||||||||
5889 | return ToVarTD; | ||||||||
5890 | } | ||||||||
5891 | |||||||||
5892 | ExpectedDecl ASTNodeImporter::VisitVarTemplateSpecializationDecl( | ||||||||
5893 | VarTemplateSpecializationDecl *D) { | ||||||||
5894 | // If this record has a definition in the translation unit we're coming from, | ||||||||
5895 | // but this particular declaration is not that definition, import the | ||||||||
5896 | // definition and map to that. | ||||||||
5897 | VarDecl *Definition = D->getDefinition(); | ||||||||
5898 | if (Definition && Definition != D) { | ||||||||
5899 | if (ExpectedDecl ImportedDefOrErr = import(Definition)) | ||||||||
5900 | return Importer.MapImported(D, *ImportedDefOrErr); | ||||||||
5901 | else | ||||||||
5902 | return ImportedDefOrErr.takeError(); | ||||||||
5903 | } | ||||||||
5904 | |||||||||
5905 | VarTemplateDecl *VarTemplate = nullptr; | ||||||||
5906 | if (Error Err = importInto(VarTemplate, D->getSpecializedTemplate())) | ||||||||
5907 | return std::move(Err); | ||||||||
5908 | |||||||||
5909 | // Import the context of this declaration. | ||||||||
5910 | DeclContext *DC, *LexicalDC; | ||||||||
5911 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | ||||||||
5912 | return std::move(Err); | ||||||||
5913 | |||||||||
5914 | // Import the location of this declaration. | ||||||||
5915 | ExpectedSLoc BeginLocOrErr = import(D->getBeginLoc()); | ||||||||
5916 | if (!BeginLocOrErr) | ||||||||
5917 | return BeginLocOrErr.takeError(); | ||||||||
5918 | |||||||||
5919 | auto IdLocOrErr = import(D->getLocation()); | ||||||||
5920 | if (!IdLocOrErr) | ||||||||
5921 | return IdLocOrErr.takeError(); | ||||||||
5922 | |||||||||
5923 | // Import template arguments. | ||||||||
5924 | SmallVector<TemplateArgument, 2> TemplateArgs; | ||||||||
5925 | if (Error Err = ImportTemplateArguments( | ||||||||
5926 | D->getTemplateArgs().data(), D->getTemplateArgs().size(), TemplateArgs)) | ||||||||
5927 | return std::move(Err); | ||||||||
5928 | |||||||||
5929 | // Try to find an existing specialization with these template arguments. | ||||||||
5930 | void *InsertPos = nullptr; | ||||||||
5931 | VarTemplateSpecializationDecl *D2 = VarTemplate->findSpecialization( | ||||||||
5932 | TemplateArgs, InsertPos); | ||||||||
5933 | if (D2) { | ||||||||
5934 | // We already have a variable template specialization with these template | ||||||||
5935 | // arguments. | ||||||||
5936 | |||||||||
5937 | // FIXME: Check for specialization vs. instantiation errors. | ||||||||
5938 | |||||||||
5939 | if (VarDecl *FoundDef = D2->getDefinition()) { | ||||||||
5940 | if (!D->isThisDeclarationADefinition() || | ||||||||
5941 | IsStructuralMatch(D, FoundDef)) { | ||||||||
5942 | // The record types structurally match, or the "from" translation | ||||||||
5943 | // unit only had a forward declaration anyway; call it the same | ||||||||
5944 | // variable. | ||||||||
5945 | return Importer.MapImported(D, FoundDef); | ||||||||
5946 | } | ||||||||
5947 | } | ||||||||
5948 | } else { | ||||||||
5949 | // Import the type. | ||||||||
5950 | QualType T; | ||||||||
5951 | if (Error Err = importInto(T, D->getType())) | ||||||||
5952 | return std::move(Err); | ||||||||
5953 | |||||||||
5954 | auto TInfoOrErr = import(D->getTypeSourceInfo()); | ||||||||
5955 | if (!TInfoOrErr) | ||||||||
5956 | return TInfoOrErr.takeError(); | ||||||||
5957 | |||||||||
5958 | TemplateArgumentListInfo ToTAInfo; | ||||||||
5959 | if (Error Err = ImportTemplateArgumentListInfo( | ||||||||
5960 | D->getTemplateArgsInfo(), ToTAInfo)) | ||||||||
5961 | return std::move(Err); | ||||||||
5962 | |||||||||
5963 | using PartVarSpecDecl = VarTemplatePartialSpecializationDecl; | ||||||||
5964 | // Create a new specialization. | ||||||||
5965 | if (auto *FromPartial = dyn_cast<PartVarSpecDecl>(D)) { | ||||||||
5966 | // Import TemplateArgumentListInfo | ||||||||
5967 | TemplateArgumentListInfo ArgInfos; | ||||||||
5968 | const auto *FromTAArgsAsWritten = FromPartial->getTemplateArgsAsWritten(); | ||||||||
5969 | // NOTE: FromTAArgsAsWritten and template parameter list are non-null. | ||||||||
5970 | if (Error Err = ImportTemplateArgumentListInfo( | ||||||||
5971 | *FromTAArgsAsWritten, ArgInfos)) | ||||||||
5972 | return std::move(Err); | ||||||||
5973 | |||||||||
5974 | auto ToTPListOrErr = import(FromPartial->getTemplateParameters()); | ||||||||
5975 | if (!ToTPListOrErr) | ||||||||
5976 | return ToTPListOrErr.takeError(); | ||||||||
5977 | |||||||||
5978 | PartVarSpecDecl *ToPartial; | ||||||||
5979 | if (GetImportedOrCreateDecl(ToPartial, D, Importer.getToContext(), DC, | ||||||||
5980 | *BeginLocOrErr, *IdLocOrErr, *ToTPListOrErr, | ||||||||
5981 | VarTemplate, T, *TInfoOrErr, | ||||||||
5982 | D->getStorageClass(), TemplateArgs, ArgInfos)) | ||||||||
5983 | return ToPartial; | ||||||||
5984 | |||||||||
5985 | if (Expected<PartVarSpecDecl *> ToInstOrErr = import( | ||||||||
5986 | FromPartial->getInstantiatedFromMember())) | ||||||||
5987 | ToPartial->setInstantiatedFromMember(*ToInstOrErr); | ||||||||
5988 | else | ||||||||
5989 | return ToInstOrErr.takeError(); | ||||||||
5990 | |||||||||
5991 | if (FromPartial->isMemberSpecialization()) | ||||||||
5992 | ToPartial->setMemberSpecialization(); | ||||||||
5993 | |||||||||
5994 | D2 = ToPartial; | ||||||||
5995 | |||||||||
5996 | // FIXME: Use this update if VarTemplatePartialSpecializationDecl is fixed | ||||||||
5997 | // to adopt template parameters. | ||||||||
5998 | // updateLookupTableForTemplateParameters(**ToTPListOrErr); | ||||||||
5999 | } else { // Full specialization | ||||||||
6000 | if (GetImportedOrCreateDecl(D2, D, Importer.getToContext(), DC, | ||||||||
6001 | *BeginLocOrErr, *IdLocOrErr, VarTemplate, | ||||||||
6002 | T, *TInfoOrErr, | ||||||||
6003 | D->getStorageClass(), TemplateArgs)) | ||||||||
6004 | return D2; | ||||||||
6005 | } | ||||||||
6006 | |||||||||
6007 | if (D->getPointOfInstantiation().isValid()) { | ||||||||
6008 | if (ExpectedSLoc POIOrErr = import(D->getPointOfInstantiation())) | ||||||||
6009 | D2->setPointOfInstantiation(*POIOrErr); | ||||||||
6010 | else | ||||||||
6011 | return POIOrErr.takeError(); | ||||||||
6012 | } | ||||||||
6013 | |||||||||
6014 | D2->setSpecializationKind(D->getSpecializationKind()); | ||||||||
6015 | D2->setTemplateArgsInfo(ToTAInfo); | ||||||||
6016 | |||||||||
6017 | // Add this specialization to the class template. | ||||||||
6018 | VarTemplate->AddSpecialization(D2, InsertPos); | ||||||||
6019 | |||||||||
6020 | // Import the qualifier, if any. | ||||||||
6021 | if (auto LocOrErr = import(D->getQualifierLoc())) | ||||||||
6022 | D2->setQualifierInfo(*LocOrErr); | ||||||||
6023 | else | ||||||||
6024 | return LocOrErr.takeError(); | ||||||||
6025 | |||||||||
6026 | if (D->isConstexpr()) | ||||||||
6027 | D2->setConstexpr(true); | ||||||||
6028 | |||||||||
6029 | // Add the specialization to this context. | ||||||||
6030 | D2->setLexicalDeclContext(LexicalDC); | ||||||||
6031 | LexicalDC->addDeclInternal(D2); | ||||||||
6032 | |||||||||
6033 | D2->setAccess(D->getAccess()); | ||||||||
6034 | } | ||||||||
6035 | |||||||||
6036 | if (Error Err = ImportInitializer(D, D2)) | ||||||||
6037 | return std::move(Err); | ||||||||
6038 | |||||||||
6039 | return D2; | ||||||||
6040 | } | ||||||||
6041 | |||||||||
6042 | ExpectedDecl | ||||||||
6043 | ASTNodeImporter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { | ||||||||
6044 | DeclContext *DC, *LexicalDC; | ||||||||
6045 | DeclarationName Name; | ||||||||
6046 | SourceLocation Loc; | ||||||||
6047 | NamedDecl *ToD; | ||||||||
6048 | |||||||||
6049 | if (Error Err = ImportDeclParts(D, DC, LexicalDC, Name, ToD, Loc)) | ||||||||
6050 | return std::move(Err); | ||||||||
6051 | |||||||||
6052 | if (ToD) | ||||||||
6053 | return ToD; | ||||||||
6054 | |||||||||
6055 | const FunctionTemplateDecl *FoundByLookup = nullptr; | ||||||||
6056 | |||||||||
6057 | // Try to find a function in our own ("to") context with the same name, same | ||||||||
6058 | // type, and in the same context as the function we're importing. | ||||||||
6059 | // FIXME Split this into a separate function. | ||||||||
6060 | if (!LexicalDC->isFunctionOrMethod()) { | ||||||||
6061 | unsigned IDNS = Decl::IDNS_Ordinary | Decl::IDNS_OrdinaryFriend; | ||||||||
6062 | auto FoundDecls = Importer.findDeclsInToCtx(DC, Name); | ||||||||
6063 | for (auto *FoundDecl : FoundDecls) { | ||||||||
6064 | if (!FoundDecl->isInIdentifierNamespace(IDNS)) | ||||||||
6065 | continue; | ||||||||
6066 | |||||||||
6067 | if (auto *FoundTemplate = dyn_cast<FunctionTemplateDecl>(FoundDecl)) { | ||||||||
6068 | if (!hasSameVisibilityContextAndLinkage(FoundTemplate, D)) | ||||||||
6069 | continue; | ||||||||
6070 | if (IsStructuralMatch(D, FoundTemplate)) { | ||||||||
6071 | FunctionTemplateDecl *TemplateWithDef = | ||||||||
6072 | getTemplateDefinition(FoundTemplate); | ||||||||
6073 | if (D->isThisDeclarationADefinition() && TemplateWithDef) | ||||||||
6074 | return Importer.MapImported(D, TemplateWithDef); | ||||||||
6075 | |||||||||
6076 | FoundByLookup = FoundTemplate; | ||||||||
6077 | break; | ||||||||
6078 | // TODO: handle conflicting names | ||||||||
6079 | } | ||||||||
6080 | } | ||||||||
6081 | } | ||||||||
6082 | } | ||||||||
6083 | |||||||||
6084 | auto ParamsOrErr = import(D->getTemplateParameters()); | ||||||||
6085 | if (!ParamsOrErr) | ||||||||
6086 | return ParamsOrErr.takeError(); | ||||||||
6087 | TemplateParameterList *Params = *ParamsOrErr; | ||||||||
6088 | |||||||||
6089 | FunctionDecl *TemplatedFD; | ||||||||
6090 | if (Error Err = importInto(TemplatedFD, D->getTemplatedDecl())) | ||||||||
6091 | return std::move(Err); | ||||||||
6092 | |||||||||
6093 | // Template parameters of the ClassTemplateDecl and FunctionTemplateDecl are | ||||||||
6094 | // shared, if the FunctionTemplateDecl is a deduction guide for the class. | ||||||||
6095 | // At import the ClassTemplateDecl object is always created first (FIXME: is | ||||||||
6096 | // this really true?) because the dependency, then the FunctionTemplateDecl. | ||||||||
6097 | // The DeclContext of the template parameters is changed when the | ||||||||
6098 | // FunctionTemplateDecl is created, but was set already when the class | ||||||||
6099 | // template was created. So here it is not the TU (default value) any more. | ||||||||
6100 | // FIXME: The DeclContext of the parameters is now set finally to the | ||||||||
6101 | // CXXDeductionGuideDecl object that was imported later. This may not be the | ||||||||
6102 | // same that is in the original AST, specially if there are multiple deduction | ||||||||
6103 | // guides. | ||||||||
6104 | DeclContext *OldParamDC = nullptr; | ||||||||
6105 | if (Params->size() > 0) | ||||||||
6106 | OldParamDC = Params->getParam(0)->getDeclContext(); | ||||||||
6107 | |||||||||
6108 | FunctionTemplateDecl *ToFunc; | ||||||||
6109 | if (GetImportedOrCreateDecl(ToFunc, D, Importer.getToContext(), DC, Loc, Name, | ||||||||
6110 | Params, TemplatedFD)) | ||||||||
6111 | return ToFunc; | ||||||||
6112 | |||||||||
6113 | TemplatedFD->setDescribedFunctionTemplate(ToFunc); | ||||||||
6114 | |||||||||
6115 | ToFunc->setAccess(D->getAccess()); | ||||||||
6116 | ToFunc->setLexicalDeclContext(LexicalDC); | ||||||||
6117 | LexicalDC->addDeclInternal(ToFunc); | ||||||||
6118 | updateLookupTableForTemplateParameters(*Params, OldParamDC); | ||||||||
6119 | |||||||||
6120 | if (FoundByLookup) { | ||||||||
6121 | auto *Recent = | ||||||||
6122 | const_cast<FunctionTemplateDecl *>(FoundByLookup->getMostRecentDecl()); | ||||||||
6123 | if (!TemplatedFD->getPreviousDecl()) { | ||||||||
6124 | assert(FoundByLookup->getTemplatedDecl() &&(static_cast <bool> (FoundByLookup->getTemplatedDecl () && "Found decl must have its templated decl set") ? void (0) : __assert_fail ("FoundByLookup->getTemplatedDecl() && \"Found decl must have its templated decl set\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 6125, __extension__ __PRETTY_FUNCTION__)) | ||||||||
6125 | "Found decl must have its templated decl set")(static_cast <bool> (FoundByLookup->getTemplatedDecl () && "Found decl must have its templated decl set") ? void (0) : __assert_fail ("FoundByLookup->getTemplatedDecl() && \"Found decl must have its templated decl set\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 6125, __extension__ __PRETTY_FUNCTION__)); | ||||||||
6126 | auto *PrevTemplated = | ||||||||
6127 | FoundByLookup->getTemplatedDecl()->getMostRecentDecl(); | ||||||||
6128 | if (TemplatedFD != PrevTemplated) | ||||||||
6129 | TemplatedFD->setPreviousDecl(PrevTemplated); | ||||||||
6130 | } | ||||||||
6131 | ToFunc->setPreviousDecl(Recent); | ||||||||
6132 | } | ||||||||
6133 | |||||||||
6134 | return ToFunc; | ||||||||
6135 | } | ||||||||
6136 | |||||||||
6137 | //---------------------------------------------------------------------------- | ||||||||
6138 | // Import Statements | ||||||||
6139 | //---------------------------------------------------------------------------- | ||||||||
6140 | |||||||||
6141 | ExpectedStmt ASTNodeImporter::VisitStmt(Stmt *S) { | ||||||||
6142 | Importer.FromDiag(S->getBeginLoc(), diag::err_unsupported_ast_node) | ||||||||
6143 | << S->getStmtClassName(); | ||||||||
6144 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | ||||||||
6145 | } | ||||||||
6146 | |||||||||
6147 | |||||||||
6148 | ExpectedStmt ASTNodeImporter::VisitGCCAsmStmt(GCCAsmStmt *S) { | ||||||||
6149 | if (Importer.returnWithErrorInTest()) | ||||||||
6150 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | ||||||||
6151 | SmallVector<IdentifierInfo *, 4> Names; | ||||||||
6152 | for (unsigned I = 0, E = S->getNumOutputs(); I != E; I++) { | ||||||||
6153 | IdentifierInfo *ToII = Importer.Import(S->getOutputIdentifier(I)); | ||||||||
6154 | // ToII is nullptr when no symbolic name is given for output operand | ||||||||
6155 | // see ParseStmtAsm::ParseAsmOperandsOpt | ||||||||
6156 | Names.push_back(ToII); | ||||||||
6157 | } | ||||||||
6158 | |||||||||
6159 | for (unsigned I = 0, E = S->getNumInputs(); I != E; I++) { | ||||||||
6160 | IdentifierInfo *ToII = Importer.Import(S->getInputIdentifier(I)); | ||||||||
6161 | // ToII is nullptr when no symbolic name is given for input operand | ||||||||
6162 | // see ParseStmtAsm::ParseAsmOperandsOpt | ||||||||
6163 | Names.push_back(ToII); | ||||||||
6164 | } | ||||||||
6165 | |||||||||
6166 | SmallVector<StringLiteral *, 4> Clobbers; | ||||||||
6167 | for (unsigned I = 0, E = S->getNumClobbers(); I != E; I++) { | ||||||||
6168 | if (auto ClobberOrErr = import(S->getClobberStringLiteral(I))) | ||||||||
6169 | Clobbers.push_back(*ClobberOrErr); | ||||||||
6170 | else | ||||||||
6171 | return ClobberOrErr.takeError(); | ||||||||
6172 | |||||||||
6173 | } | ||||||||
6174 | |||||||||
6175 | SmallVector<StringLiteral *, 4> Constraints; | ||||||||
6176 | for (unsigned I = 0, E = S->getNumOutputs(); I != E; I++) { | ||||||||
6177 | if (auto OutputOrErr = import(S->getOutputConstraintLiteral(I))) | ||||||||
6178 | Constraints.push_back(*OutputOrErr); | ||||||||
6179 | else | ||||||||
6180 | return OutputOrErr.takeError(); | ||||||||
6181 | } | ||||||||
6182 | |||||||||
6183 | for (unsigned I = 0, E = S->getNumInputs(); I != E; I++) { | ||||||||
6184 | if (auto InputOrErr = import(S->getInputConstraintLiteral(I))) | ||||||||
6185 | Constraints.push_back(*InputOrErr); | ||||||||
6186 | else | ||||||||
6187 | return InputOrErr.takeError(); | ||||||||
6188 | } | ||||||||
6189 | |||||||||
6190 | SmallVector<Expr *, 4> Exprs(S->getNumOutputs() + S->getNumInputs() + | ||||||||
6191 | S->getNumLabels()); | ||||||||
6192 | if (Error Err = ImportContainerChecked(S->outputs(), Exprs)) | ||||||||
6193 | return std::move(Err); | ||||||||
6194 | |||||||||
6195 | if (Error Err = | ||||||||
6196 | ImportArrayChecked(S->inputs(), Exprs.begin() + S->getNumOutputs())) | ||||||||
6197 | return std::move(Err); | ||||||||
6198 | |||||||||
6199 | if (Error Err = ImportArrayChecked( | ||||||||
6200 | S->labels(), Exprs.begin() + S->getNumOutputs() + S->getNumInputs())) | ||||||||
6201 | return std::move(Err); | ||||||||
6202 | |||||||||
6203 | ExpectedSLoc AsmLocOrErr = import(S->getAsmLoc()); | ||||||||
6204 | if (!AsmLocOrErr) | ||||||||
6205 | return AsmLocOrErr.takeError(); | ||||||||
6206 | auto AsmStrOrErr = import(S->getAsmString()); | ||||||||
6207 | if (!AsmStrOrErr) | ||||||||
6208 | return AsmStrOrErr.takeError(); | ||||||||
6209 | ExpectedSLoc RParenLocOrErr = import(S->getRParenLoc()); | ||||||||
6210 | if (!RParenLocOrErr) | ||||||||
6211 | return RParenLocOrErr.takeError(); | ||||||||
6212 | |||||||||
6213 | return new (Importer.getToContext()) GCCAsmStmt( | ||||||||
6214 | Importer.getToContext(), | ||||||||
6215 | *AsmLocOrErr, | ||||||||
6216 | S->isSimple(), | ||||||||
6217 | S->isVolatile(), | ||||||||
6218 | S->getNumOutputs(), | ||||||||
6219 | S->getNumInputs(), | ||||||||
6220 | Names.data(), | ||||||||
6221 | Constraints.data(), | ||||||||
6222 | Exprs.data(), | ||||||||
6223 | *AsmStrOrErr, | ||||||||
6224 | S->getNumClobbers(), | ||||||||
6225 | Clobbers.data(), | ||||||||
6226 | S->getNumLabels(), | ||||||||
6227 | *RParenLocOrErr); | ||||||||
6228 | } | ||||||||
6229 | |||||||||
6230 | ExpectedStmt ASTNodeImporter::VisitDeclStmt(DeclStmt *S) { | ||||||||
6231 | |||||||||
6232 | Error Err = Error::success(); | ||||||||
6233 | auto ToDG = importChecked(Err, S->getDeclGroup()); | ||||||||
6234 | auto ToBeginLoc = importChecked(Err, S->getBeginLoc()); | ||||||||
6235 | auto ToEndLoc = importChecked(Err, S->getEndLoc()); | ||||||||
6236 | if (Err) | ||||||||
6237 | return std::move(Err); | ||||||||
6238 | return new (Importer.getToContext()) DeclStmt(ToDG, ToBeginLoc, ToEndLoc); | ||||||||
6239 | } | ||||||||
6240 | |||||||||
6241 | ExpectedStmt ASTNodeImporter::VisitNullStmt(NullStmt *S) { | ||||||||
6242 | ExpectedSLoc ToSemiLocOrErr = import(S->getSemiLoc()); | ||||||||
6243 | if (!ToSemiLocOrErr) | ||||||||
6244 | return ToSemiLocOrErr.takeError(); | ||||||||
6245 | return new (Importer.getToContext()) NullStmt( | ||||||||
6246 | *ToSemiLocOrErr, S->hasLeadingEmptyMacro()); | ||||||||
6247 | } | ||||||||
6248 | |||||||||
6249 | ExpectedStmt ASTNodeImporter::VisitCompoundStmt(CompoundStmt *S) { | ||||||||
6250 | SmallVector<Stmt *, 8> ToStmts(S->size()); | ||||||||
6251 | |||||||||
6252 | if (Error Err = ImportContainerChecked(S->body(), ToStmts)) | ||||||||
6253 | return std::move(Err); | ||||||||
6254 | |||||||||
6255 | ExpectedSLoc ToLBracLocOrErr = import(S->getLBracLoc()); | ||||||||
6256 | if (!ToLBracLocOrErr) | ||||||||
6257 | return ToLBracLocOrErr.takeError(); | ||||||||
6258 | |||||||||
6259 | ExpectedSLoc ToRBracLocOrErr = import(S->getRBracLoc()); | ||||||||
6260 | if (!ToRBracLocOrErr) | ||||||||
6261 | return ToRBracLocOrErr.takeError(); | ||||||||
6262 | |||||||||
6263 | return CompoundStmt::Create( | ||||||||
6264 | Importer.getToContext(), ToStmts, | ||||||||
6265 | *ToLBracLocOrErr, *ToRBracLocOrErr); | ||||||||
6266 | } | ||||||||
6267 | |||||||||
6268 | ExpectedStmt ASTNodeImporter::VisitCaseStmt(CaseStmt *S) { | ||||||||
6269 | |||||||||
6270 | Error Err = Error::success(); | ||||||||
6271 | auto ToLHS = importChecked(Err, S->getLHS()); | ||||||||
6272 | auto ToRHS = importChecked(Err, S->getRHS()); | ||||||||
6273 | auto ToSubStmt = importChecked(Err, S->getSubStmt()); | ||||||||
6274 | auto ToCaseLoc = importChecked(Err, S->getCaseLoc()); | ||||||||
6275 | auto ToEllipsisLoc = importChecked(Err, S->getEllipsisLoc()); | ||||||||
6276 | auto ToColonLoc = importChecked(Err, S->getColonLoc()); | ||||||||
6277 | if (Err) | ||||||||
6278 | return std::move(Err); | ||||||||
6279 | |||||||||
6280 | auto *ToStmt = CaseStmt::Create(Importer.getToContext(), ToLHS, ToRHS, | ||||||||
6281 | ToCaseLoc, ToEllipsisLoc, ToColonLoc); | ||||||||
6282 | ToStmt->setSubStmt(ToSubStmt); | ||||||||
6283 | |||||||||
6284 | return ToStmt; | ||||||||
6285 | } | ||||||||
6286 | |||||||||
6287 | ExpectedStmt ASTNodeImporter::VisitDefaultStmt(DefaultStmt *S) { | ||||||||
6288 | |||||||||
6289 | Error Err = Error::success(); | ||||||||
6290 | auto ToDefaultLoc = importChecked(Err, S->getDefaultLoc()); | ||||||||
6291 | auto ToColonLoc = importChecked(Err, S->getColonLoc()); | ||||||||
6292 | auto ToSubStmt = importChecked(Err, S->getSubStmt()); | ||||||||
6293 | if (Err) | ||||||||
6294 | return std::move(Err); | ||||||||
6295 | |||||||||
6296 | return new (Importer.getToContext()) DefaultStmt( | ||||||||
6297 | ToDefaultLoc, ToColonLoc, ToSubStmt); | ||||||||
6298 | } | ||||||||
6299 | |||||||||
6300 | ExpectedStmt ASTNodeImporter::VisitLabelStmt(LabelStmt *S) { | ||||||||
6301 | |||||||||
6302 | Error Err = Error::success(); | ||||||||
6303 | auto ToIdentLoc = importChecked(Err, S->getIdentLoc()); | ||||||||
6304 | auto ToLabelDecl = importChecked(Err, S->getDecl()); | ||||||||
6305 | auto ToSubStmt = importChecked(Err, S->getSubStmt()); | ||||||||
6306 | if (Err) | ||||||||
6307 | return std::move(Err); | ||||||||
6308 | |||||||||
6309 | return new (Importer.getToContext()) LabelStmt( | ||||||||
6310 | ToIdentLoc, ToLabelDecl, ToSubStmt); | ||||||||
6311 | } | ||||||||
6312 | |||||||||
6313 | ExpectedStmt ASTNodeImporter::VisitAttributedStmt(AttributedStmt *S) { | ||||||||
6314 | ExpectedSLoc ToAttrLocOrErr = import(S->getAttrLoc()); | ||||||||
6315 | if (!ToAttrLocOrErr) | ||||||||
6316 | return ToAttrLocOrErr.takeError(); | ||||||||
6317 | ArrayRef<const Attr*> FromAttrs(S->getAttrs()); | ||||||||
6318 | SmallVector<const Attr *, 1> ToAttrs(FromAttrs.size()); | ||||||||
6319 | if (Error Err = ImportContainerChecked(FromAttrs, ToAttrs)) | ||||||||
6320 | return std::move(Err); | ||||||||
6321 | ExpectedStmt ToSubStmtOrErr = import(S->getSubStmt()); | ||||||||
6322 | if (!ToSubStmtOrErr) | ||||||||
6323 | return ToSubStmtOrErr.takeError(); | ||||||||
6324 | |||||||||
6325 | return AttributedStmt::Create( | ||||||||
6326 | Importer.getToContext(), *ToAttrLocOrErr, ToAttrs, *ToSubStmtOrErr); | ||||||||
6327 | } | ||||||||
6328 | |||||||||
6329 | ExpectedStmt ASTNodeImporter::VisitIfStmt(IfStmt *S) { | ||||||||
6330 | |||||||||
6331 | Error Err = Error::success(); | ||||||||
6332 | auto ToIfLoc = importChecked(Err, S->getIfLoc()); | ||||||||
6333 | auto ToInit = importChecked(Err, S->getInit()); | ||||||||
6334 | auto ToConditionVariable = importChecked(Err, S->getConditionVariable()); | ||||||||
6335 | auto ToCond = importChecked(Err, S->getCond()); | ||||||||
6336 | auto ToLParenLoc = importChecked(Err, S->getLParenLoc()); | ||||||||
6337 | auto ToRParenLoc = importChecked(Err, S->getRParenLoc()); | ||||||||
6338 | auto ToThen = importChecked(Err, S->getThen()); | ||||||||
6339 | auto ToElseLoc = importChecked(Err, S->getElseLoc()); | ||||||||
6340 | auto ToElse = importChecked(Err, S->getElse()); | ||||||||
6341 | if (Err) | ||||||||
6342 | return std::move(Err); | ||||||||
6343 | |||||||||
6344 | return IfStmt::Create(Importer.getToContext(), ToIfLoc, S->isConstexpr(), | ||||||||
6345 | ToInit, ToConditionVariable, ToCond, ToLParenLoc, | ||||||||
6346 | ToRParenLoc, ToThen, ToElseLoc, ToElse); | ||||||||
6347 | } | ||||||||
6348 | |||||||||
6349 | ExpectedStmt ASTNodeImporter::VisitSwitchStmt(SwitchStmt *S) { | ||||||||
6350 | |||||||||
6351 | Error Err = Error::success(); | ||||||||
6352 | auto ToInit = importChecked(Err, S->getInit()); | ||||||||
6353 | auto ToConditionVariable = importChecked(Err, S->getConditionVariable()); | ||||||||
6354 | auto ToCond = importChecked(Err, S->getCond()); | ||||||||
6355 | auto ToLParenLoc = importChecked(Err, S->getLParenLoc()); | ||||||||
6356 | auto ToRParenLoc = importChecked(Err, S->getRParenLoc()); | ||||||||
6357 | auto ToBody = importChecked(Err, S->getBody()); | ||||||||
6358 | auto ToSwitchLoc = importChecked(Err, S->getSwitchLoc()); | ||||||||
6359 | if (Err) | ||||||||
6360 | return std::move(Err); | ||||||||
6361 | |||||||||
6362 | auto *ToStmt = | ||||||||
6363 | SwitchStmt::Create(Importer.getToContext(), ToInit, ToConditionVariable, | ||||||||
6364 | ToCond, ToLParenLoc, ToRParenLoc); | ||||||||
6365 | ToStmt->setBody(ToBody); | ||||||||
6366 | ToStmt->setSwitchLoc(ToSwitchLoc); | ||||||||
6367 | |||||||||
6368 | // Now we have to re-chain the cases. | ||||||||
6369 | SwitchCase *LastChainedSwitchCase = nullptr; | ||||||||
6370 | for (SwitchCase *SC = S->getSwitchCaseList(); SC != nullptr; | ||||||||
6371 | SC = SC->getNextSwitchCase()) { | ||||||||
6372 | Expected<SwitchCase *> ToSCOrErr = import(SC); | ||||||||
6373 | if (!ToSCOrErr) | ||||||||
6374 | return ToSCOrErr.takeError(); | ||||||||
6375 | if (LastChainedSwitchCase) | ||||||||
6376 | LastChainedSwitchCase->setNextSwitchCase(*ToSCOrErr); | ||||||||
6377 | else | ||||||||
6378 | ToStmt->setSwitchCaseList(*ToSCOrErr); | ||||||||
6379 | LastChainedSwitchCase = *ToSCOrErr; | ||||||||
6380 | } | ||||||||
6381 | |||||||||
6382 | return ToStmt; | ||||||||
6383 | } | ||||||||
6384 | |||||||||
6385 | ExpectedStmt ASTNodeImporter::VisitWhileStmt(WhileStmt *S) { | ||||||||
6386 | |||||||||
6387 | Error Err = Error::success(); | ||||||||
6388 | auto ToConditionVariable = importChecked(Err, S->getConditionVariable()); | ||||||||
6389 | auto ToCond = importChecked(Err, S->getCond()); | ||||||||
6390 | auto ToBody = importChecked(Err, S->getBody()); | ||||||||
6391 | auto ToWhileLoc = importChecked(Err, S->getWhileLoc()); | ||||||||
6392 | auto ToLParenLoc = importChecked(Err, S->getLParenLoc()); | ||||||||
6393 | auto ToRParenLoc = importChecked(Err, S->getRParenLoc()); | ||||||||
6394 | if (Err) | ||||||||
6395 | return std::move(Err); | ||||||||
6396 | |||||||||
6397 | return WhileStmt::Create(Importer.getToContext(), ToConditionVariable, ToCond, | ||||||||
6398 | ToBody, ToWhileLoc, ToLParenLoc, ToRParenLoc); | ||||||||
6399 | } | ||||||||
6400 | |||||||||
6401 | ExpectedStmt ASTNodeImporter::VisitDoStmt(DoStmt *S) { | ||||||||
6402 | |||||||||
6403 | Error Err = Error::success(); | ||||||||
6404 | auto ToBody = importChecked(Err, S->getBody()); | ||||||||
6405 | auto ToCond = importChecked(Err, S->getCond()); | ||||||||
6406 | auto ToDoLoc = importChecked(Err, S->getDoLoc()); | ||||||||
6407 | auto ToWhileLoc = importChecked(Err, S->getWhileLoc()); | ||||||||
6408 | auto ToRParenLoc = importChecked(Err, S->getRParenLoc()); | ||||||||
6409 | if (Err) | ||||||||
6410 | return std::move(Err); | ||||||||
6411 | |||||||||
6412 | return new (Importer.getToContext()) DoStmt( | ||||||||
6413 | ToBody, ToCond, ToDoLoc, ToWhileLoc, ToRParenLoc); | ||||||||
6414 | } | ||||||||
6415 | |||||||||
6416 | ExpectedStmt ASTNodeImporter::VisitForStmt(ForStmt *S) { | ||||||||
6417 | |||||||||
6418 | Error Err = Error::success(); | ||||||||
6419 | auto ToInit = importChecked(Err, S->getInit()); | ||||||||
6420 | auto ToCond = importChecked(Err, S->getCond()); | ||||||||
6421 | auto ToConditionVariable = importChecked(Err, S->getConditionVariable()); | ||||||||
6422 | auto ToInc = importChecked(Err, S->getInc()); | ||||||||
6423 | auto ToBody = importChecked(Err, S->getBody()); | ||||||||
6424 | auto ToForLoc = importChecked(Err, S->getForLoc()); | ||||||||
6425 | auto ToLParenLoc = importChecked(Err, S->getLParenLoc()); | ||||||||
6426 | auto ToRParenLoc = importChecked(Err, S->getRParenLoc()); | ||||||||
6427 | if (Err) | ||||||||
6428 | return std::move(Err); | ||||||||
6429 | |||||||||
6430 | return new (Importer.getToContext()) ForStmt( | ||||||||
6431 | Importer.getToContext(), | ||||||||
6432 | ToInit, ToCond, ToConditionVariable, ToInc, ToBody, ToForLoc, ToLParenLoc, | ||||||||
6433 | ToRParenLoc); | ||||||||
6434 | } | ||||||||
6435 | |||||||||
6436 | ExpectedStmt ASTNodeImporter::VisitGotoStmt(GotoStmt *S) { | ||||||||
6437 | |||||||||
6438 | Error Err = Error::success(); | ||||||||
6439 | auto ToLabel = importChecked(Err, S->getLabel()); | ||||||||
6440 | auto ToGotoLoc = importChecked(Err, S->getGotoLoc()); | ||||||||
6441 | auto ToLabelLoc = importChecked(Err, S->getLabelLoc()); | ||||||||
6442 | if (Err) | ||||||||
6443 | return std::move(Err); | ||||||||
6444 | |||||||||
6445 | return new (Importer.getToContext()) GotoStmt( | ||||||||
6446 | ToLabel, ToGotoLoc, ToLabelLoc); | ||||||||
6447 | } | ||||||||
6448 | |||||||||
6449 | ExpectedStmt ASTNodeImporter::VisitIndirectGotoStmt(IndirectGotoStmt *S) { | ||||||||
6450 | |||||||||
6451 | Error Err = Error::success(); | ||||||||
6452 | auto ToGotoLoc = importChecked(Err, S->getGotoLoc()); | ||||||||
6453 | auto ToStarLoc = importChecked(Err, S->getStarLoc()); | ||||||||
6454 | auto ToTarget = importChecked(Err, S->getTarget()); | ||||||||
6455 | if (Err) | ||||||||
6456 | return std::move(Err); | ||||||||
6457 | |||||||||
6458 | return new (Importer.getToContext()) IndirectGotoStmt( | ||||||||
6459 | ToGotoLoc, ToStarLoc, ToTarget); | ||||||||
6460 | } | ||||||||
6461 | |||||||||
6462 | ExpectedStmt ASTNodeImporter::VisitContinueStmt(ContinueStmt *S) { | ||||||||
6463 | ExpectedSLoc ToContinueLocOrErr = import(S->getContinueLoc()); | ||||||||
6464 | if (!ToContinueLocOrErr) | ||||||||
6465 | return ToContinueLocOrErr.takeError(); | ||||||||
6466 | return new (Importer.getToContext()) ContinueStmt(*ToContinueLocOrErr); | ||||||||
6467 | } | ||||||||
6468 | |||||||||
6469 | ExpectedStmt ASTNodeImporter::VisitBreakStmt(BreakStmt *S) { | ||||||||
6470 | auto ToBreakLocOrErr = import(S->getBreakLoc()); | ||||||||
6471 | if (!ToBreakLocOrErr) | ||||||||
6472 | return ToBreakLocOrErr.takeError(); | ||||||||
6473 | return new (Importer.getToContext()) BreakStmt(*ToBreakLocOrErr); | ||||||||
6474 | } | ||||||||
6475 | |||||||||
6476 | ExpectedStmt ASTNodeImporter::VisitReturnStmt(ReturnStmt *S) { | ||||||||
6477 | |||||||||
6478 | Error Err = Error::success(); | ||||||||
6479 | auto ToReturnLoc = importChecked(Err, S->getReturnLoc()); | ||||||||
6480 | auto ToRetValue = importChecked(Err, S->getRetValue()); | ||||||||
6481 | auto ToNRVOCandidate = importChecked(Err, S->getNRVOCandidate()); | ||||||||
6482 | if (Err) | ||||||||
6483 | return std::move(Err); | ||||||||
6484 | |||||||||
6485 | return ReturnStmt::Create(Importer.getToContext(), ToReturnLoc, ToRetValue, | ||||||||
6486 | ToNRVOCandidate); | ||||||||
6487 | } | ||||||||
6488 | |||||||||
6489 | ExpectedStmt ASTNodeImporter::VisitCXXCatchStmt(CXXCatchStmt *S) { | ||||||||
6490 | |||||||||
6491 | Error Err = Error::success(); | ||||||||
6492 | auto ToCatchLoc = importChecked(Err, S->getCatchLoc()); | ||||||||
6493 | auto ToExceptionDecl = importChecked(Err, S->getExceptionDecl()); | ||||||||
6494 | auto ToHandlerBlock = importChecked(Err, S->getHandlerBlock()); | ||||||||
6495 | if (Err) | ||||||||
6496 | return std::move(Err); | ||||||||
6497 | |||||||||
6498 | return new (Importer.getToContext()) CXXCatchStmt ( | ||||||||
6499 | ToCatchLoc, ToExceptionDecl, ToHandlerBlock); | ||||||||
6500 | } | ||||||||
6501 | |||||||||
6502 | ExpectedStmt ASTNodeImporter::VisitCXXTryStmt(CXXTryStmt *S) { | ||||||||
6503 | ExpectedSLoc ToTryLocOrErr = import(S->getTryLoc()); | ||||||||
6504 | if (!ToTryLocOrErr) | ||||||||
6505 | return ToTryLocOrErr.takeError(); | ||||||||
6506 | |||||||||
6507 | ExpectedStmt ToTryBlockOrErr = import(S->getTryBlock()); | ||||||||
6508 | if (!ToTryBlockOrErr) | ||||||||
6509 | return ToTryBlockOrErr.takeError(); | ||||||||
6510 | |||||||||
6511 | SmallVector<Stmt *, 1> ToHandlers(S->getNumHandlers()); | ||||||||
6512 | for (unsigned HI = 0, HE = S->getNumHandlers(); HI != HE; ++HI) { | ||||||||
6513 | CXXCatchStmt *FromHandler = S->getHandler(HI); | ||||||||
6514 | if (auto ToHandlerOrErr = import(FromHandler)) | ||||||||
6515 | ToHandlers[HI] = *ToHandlerOrErr; | ||||||||
6516 | else | ||||||||
6517 | return ToHandlerOrErr.takeError(); | ||||||||
6518 | } | ||||||||
6519 | |||||||||
6520 | return CXXTryStmt::Create( | ||||||||
6521 | Importer.getToContext(), *ToTryLocOrErr,*ToTryBlockOrErr, ToHandlers); | ||||||||
6522 | } | ||||||||
6523 | |||||||||
6524 | ExpectedStmt ASTNodeImporter::VisitCXXForRangeStmt(CXXForRangeStmt *S) { | ||||||||
6525 | |||||||||
6526 | Error Err = Error::success(); | ||||||||
6527 | auto ToInit = importChecked(Err, S->getInit()); | ||||||||
6528 | auto ToRangeStmt = importChecked(Err, S->getRangeStmt()); | ||||||||
6529 | auto ToBeginStmt = importChecked(Err, S->getBeginStmt()); | ||||||||
6530 | auto ToEndStmt = importChecked(Err, S->getEndStmt()); | ||||||||
6531 | auto ToCond = importChecked(Err, S->getCond()); | ||||||||
6532 | auto ToInc = importChecked(Err, S->getInc()); | ||||||||
6533 | auto ToLoopVarStmt = importChecked(Err, S->getLoopVarStmt()); | ||||||||
6534 | auto ToBody = importChecked(Err, S->getBody()); | ||||||||
6535 | auto ToForLoc = importChecked(Err, S->getForLoc()); | ||||||||
6536 | auto ToCoawaitLoc = importChecked(Err, S->getCoawaitLoc()); | ||||||||
6537 | auto ToColonLoc = importChecked(Err, S->getColonLoc()); | ||||||||
6538 | auto ToRParenLoc = importChecked(Err, S->getRParenLoc()); | ||||||||
6539 | if (Err) | ||||||||
6540 | return std::move(Err); | ||||||||
6541 | |||||||||
6542 | return new (Importer.getToContext()) CXXForRangeStmt( | ||||||||
6543 | ToInit, ToRangeStmt, ToBeginStmt, ToEndStmt, ToCond, ToInc, ToLoopVarStmt, | ||||||||
6544 | ToBody, ToForLoc, ToCoawaitLoc, ToColonLoc, ToRParenLoc); | ||||||||
6545 | } | ||||||||
6546 | |||||||||
6547 | ExpectedStmt | ||||||||
6548 | ASTNodeImporter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { | ||||||||
6549 | Error Err = Error::success(); | ||||||||
6550 | auto ToElement = importChecked(Err, S->getElement()); | ||||||||
6551 | auto ToCollection = importChecked(Err, S->getCollection()); | ||||||||
6552 | auto ToBody = importChecked(Err, S->getBody()); | ||||||||
6553 | auto ToForLoc = importChecked(Err, S->getForLoc()); | ||||||||
6554 | auto ToRParenLoc = importChecked(Err, S->getRParenLoc()); | ||||||||
6555 | if (Err) | ||||||||
6556 | return std::move(Err); | ||||||||
6557 | |||||||||
6558 | return new (Importer.getToContext()) ObjCForCollectionStmt(ToElement, | ||||||||
6559 | ToCollection, | ||||||||
6560 | ToBody, | ||||||||
6561 | ToForLoc, | ||||||||
6562 | ToRParenLoc); | ||||||||
6563 | } | ||||||||
6564 | |||||||||
6565 | ExpectedStmt ASTNodeImporter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { | ||||||||
6566 | |||||||||
6567 | Error Err = Error::success(); | ||||||||
6568 | auto ToAtCatchLoc = importChecked(Err, S->getAtCatchLoc()); | ||||||||
6569 | auto ToRParenLoc = importChecked(Err, S->getRParenLoc()); | ||||||||
6570 | auto ToCatchParamDecl = importChecked(Err, S->getCatchParamDecl()); | ||||||||
6571 | auto ToCatchBody = importChecked(Err, S->getCatchBody()); | ||||||||
6572 | if (Err) | ||||||||
6573 | return std::move(Err); | ||||||||
6574 | |||||||||
6575 | return new (Importer.getToContext()) ObjCAtCatchStmt ( | ||||||||
6576 | ToAtCatchLoc, ToRParenLoc, ToCatchParamDecl, ToCatchBody); | ||||||||
6577 | } | ||||||||
6578 | |||||||||
6579 | ExpectedStmt ASTNodeImporter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { | ||||||||
6580 | ExpectedSLoc ToAtFinallyLocOrErr = import(S->getAtFinallyLoc()); | ||||||||
6581 | if (!ToAtFinallyLocOrErr) | ||||||||
6582 | return ToAtFinallyLocOrErr.takeError(); | ||||||||
6583 | ExpectedStmt ToAtFinallyStmtOrErr = import(S->getFinallyBody()); | ||||||||
6584 | if (!ToAtFinallyStmtOrErr) | ||||||||
6585 | return ToAtFinallyStmtOrErr.takeError(); | ||||||||
6586 | return new (Importer.getToContext()) ObjCAtFinallyStmt(*ToAtFinallyLocOrErr, | ||||||||
6587 | *ToAtFinallyStmtOrErr); | ||||||||
6588 | } | ||||||||
6589 | |||||||||
6590 | ExpectedStmt ASTNodeImporter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { | ||||||||
6591 | |||||||||
6592 | Error Err = Error::success(); | ||||||||
6593 | auto ToAtTryLoc = importChecked(Err, S->getAtTryLoc()); | ||||||||
6594 | auto ToTryBody = importChecked(Err, S->getTryBody()); | ||||||||
6595 | auto ToFinallyStmt = importChecked(Err, S->getFinallyStmt()); | ||||||||
6596 | if (Err) | ||||||||
6597 | return std::move(Err); | ||||||||
6598 | |||||||||
6599 | SmallVector<Stmt *, 1> ToCatchStmts(S->getNumCatchStmts()); | ||||||||
6600 | for (unsigned CI = 0, CE = S->getNumCatchStmts(); CI != CE; ++CI) { | ||||||||
6601 | ObjCAtCatchStmt *FromCatchStmt = S->getCatchStmt(CI); | ||||||||
6602 | if (ExpectedStmt ToCatchStmtOrErr = import(FromCatchStmt)) | ||||||||
6603 | ToCatchStmts[CI] = *ToCatchStmtOrErr; | ||||||||
6604 | else | ||||||||
6605 | return ToCatchStmtOrErr.takeError(); | ||||||||
6606 | } | ||||||||
6607 | |||||||||
6608 | return ObjCAtTryStmt::Create(Importer.getToContext(), | ||||||||
6609 | ToAtTryLoc, ToTryBody, | ||||||||
6610 | ToCatchStmts.begin(), ToCatchStmts.size(), | ||||||||
6611 | ToFinallyStmt); | ||||||||
6612 | } | ||||||||
6613 | |||||||||
6614 | ExpectedStmt | ||||||||
6615 | ASTNodeImporter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { | ||||||||
6616 | |||||||||
6617 | Error Err = Error::success(); | ||||||||
6618 | auto ToAtSynchronizedLoc = importChecked(Err, S->getAtSynchronizedLoc()); | ||||||||
6619 | auto ToSynchExpr = importChecked(Err, S->getSynchExpr()); | ||||||||
6620 | auto ToSynchBody = importChecked(Err, S->getSynchBody()); | ||||||||
6621 | if (Err) | ||||||||
6622 | return std::move(Err); | ||||||||
6623 | |||||||||
6624 | return new (Importer.getToContext()) ObjCAtSynchronizedStmt( | ||||||||
6625 | ToAtSynchronizedLoc, ToSynchExpr, ToSynchBody); | ||||||||
6626 | } | ||||||||
6627 | |||||||||
6628 | ExpectedStmt ASTNodeImporter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { | ||||||||
6629 | ExpectedSLoc ToThrowLocOrErr = import(S->getThrowLoc()); | ||||||||
6630 | if (!ToThrowLocOrErr) | ||||||||
6631 | return ToThrowLocOrErr.takeError(); | ||||||||
6632 | ExpectedExpr ToThrowExprOrErr = import(S->getThrowExpr()); | ||||||||
6633 | if (!ToThrowExprOrErr) | ||||||||
6634 | return ToThrowExprOrErr.takeError(); | ||||||||
6635 | return new (Importer.getToContext()) ObjCAtThrowStmt( | ||||||||
6636 | *ToThrowLocOrErr, *ToThrowExprOrErr); | ||||||||
6637 | } | ||||||||
6638 | |||||||||
6639 | ExpectedStmt ASTNodeImporter::VisitObjCAutoreleasePoolStmt( | ||||||||
6640 | ObjCAutoreleasePoolStmt *S) { | ||||||||
6641 | ExpectedSLoc ToAtLocOrErr = import(S->getAtLoc()); | ||||||||
6642 | if (!ToAtLocOrErr) | ||||||||
6643 | return ToAtLocOrErr.takeError(); | ||||||||
6644 | ExpectedStmt ToSubStmtOrErr = import(S->getSubStmt()); | ||||||||
6645 | if (!ToSubStmtOrErr) | ||||||||
6646 | return ToSubStmtOrErr.takeError(); | ||||||||
6647 | return new (Importer.getToContext()) ObjCAutoreleasePoolStmt(*ToAtLocOrErr, | ||||||||
6648 | *ToSubStmtOrErr); | ||||||||
6649 | } | ||||||||
6650 | |||||||||
6651 | //---------------------------------------------------------------------------- | ||||||||
6652 | // Import Expressions | ||||||||
6653 | //---------------------------------------------------------------------------- | ||||||||
6654 | ExpectedStmt ASTNodeImporter::VisitExpr(Expr *E) { | ||||||||
6655 | Importer.FromDiag(E->getBeginLoc(), diag::err_unsupported_ast_node) | ||||||||
6656 | << E->getStmtClassName(); | ||||||||
6657 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | ||||||||
6658 | } | ||||||||
6659 | |||||||||
6660 | ExpectedStmt ASTNodeImporter::VisitSourceLocExpr(SourceLocExpr *E) { | ||||||||
6661 | Error Err = Error::success(); | ||||||||
6662 | auto BLoc = importChecked(Err, E->getBeginLoc()); | ||||||||
6663 | auto RParenLoc = importChecked(Err, E->getEndLoc()); | ||||||||
6664 | if (Err) | ||||||||
6665 | return std::move(Err); | ||||||||
6666 | auto ParentContextOrErr = Importer.ImportContext(E->getParentContext()); | ||||||||
6667 | if (!ParentContextOrErr) | ||||||||
6668 | return ParentContextOrErr.takeError(); | ||||||||
6669 | |||||||||
6670 | return new (Importer.getToContext()) | ||||||||
6671 | SourceLocExpr(Importer.getToContext(), E->getIdentKind(), BLoc, RParenLoc, | ||||||||
6672 | *ParentContextOrErr); | ||||||||
6673 | } | ||||||||
6674 | |||||||||
6675 | ExpectedStmt ASTNodeImporter::VisitVAArgExpr(VAArgExpr *E) { | ||||||||
6676 | |||||||||
6677 | Error Err = Error::success(); | ||||||||
6678 | auto ToBuiltinLoc = importChecked(Err, E->getBuiltinLoc()); | ||||||||
6679 | auto ToSubExpr = importChecked(Err, E->getSubExpr()); | ||||||||
6680 | auto ToWrittenTypeInfo = importChecked(Err, E->getWrittenTypeInfo()); | ||||||||
6681 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
6682 | auto ToType = importChecked(Err, E->getType()); | ||||||||
6683 | if (Err) | ||||||||
6684 | return std::move(Err); | ||||||||
6685 | |||||||||
6686 | return new (Importer.getToContext()) VAArgExpr( | ||||||||
6687 | ToBuiltinLoc, ToSubExpr, ToWrittenTypeInfo, ToRParenLoc, ToType, | ||||||||
6688 | E->isMicrosoftABI()); | ||||||||
6689 | } | ||||||||
6690 | |||||||||
6691 | ExpectedStmt ASTNodeImporter::VisitChooseExpr(ChooseExpr *E) { | ||||||||
6692 | |||||||||
6693 | Error Err = Error::success(); | ||||||||
6694 | auto ToCond = importChecked(Err, E->getCond()); | ||||||||
6695 | auto ToLHS = importChecked(Err, E->getLHS()); | ||||||||
6696 | auto ToRHS = importChecked(Err, E->getRHS()); | ||||||||
6697 | auto ToBuiltinLoc = importChecked(Err, E->getBuiltinLoc()); | ||||||||
6698 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
6699 | auto ToType = importChecked(Err, E->getType()); | ||||||||
6700 | if (Err) | ||||||||
6701 | return std::move(Err); | ||||||||
6702 | |||||||||
6703 | ExprValueKind VK = E->getValueKind(); | ||||||||
6704 | ExprObjectKind OK = E->getObjectKind(); | ||||||||
6705 | |||||||||
6706 | // The value of CondIsTrue only matters if the value is not | ||||||||
6707 | // condition-dependent. | ||||||||
6708 | bool CondIsTrue = !E->isConditionDependent() && E->isConditionTrue(); | ||||||||
6709 | |||||||||
6710 | return new (Importer.getToContext()) | ||||||||
6711 | ChooseExpr(ToBuiltinLoc, ToCond, ToLHS, ToRHS, ToType, VK, OK, | ||||||||
6712 | ToRParenLoc, CondIsTrue); | ||||||||
6713 | } | ||||||||
6714 | |||||||||
6715 | ExpectedStmt ASTNodeImporter::VisitGNUNullExpr(GNUNullExpr *E) { | ||||||||
6716 | ExpectedType TypeOrErr = import(E->getType()); | ||||||||
6717 | if (!TypeOrErr) | ||||||||
6718 | return TypeOrErr.takeError(); | ||||||||
6719 | |||||||||
6720 | ExpectedSLoc BeginLocOrErr = import(E->getBeginLoc()); | ||||||||
6721 | if (!BeginLocOrErr) | ||||||||
6722 | return BeginLocOrErr.takeError(); | ||||||||
6723 | |||||||||
6724 | return new (Importer.getToContext()) GNUNullExpr(*TypeOrErr, *BeginLocOrErr); | ||||||||
6725 | } | ||||||||
6726 | |||||||||
6727 | ExpectedStmt | ||||||||
6728 | ASTNodeImporter::VisitGenericSelectionExpr(GenericSelectionExpr *E) { | ||||||||
6729 | Error Err = Error::success(); | ||||||||
6730 | auto ToGenericLoc = importChecked(Err, E->getGenericLoc()); | ||||||||
6731 | auto *ToControllingExpr = importChecked(Err, E->getControllingExpr()); | ||||||||
6732 | auto ToDefaultLoc = importChecked(Err, E->getDefaultLoc()); | ||||||||
6733 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
6734 | if (Err) | ||||||||
6735 | return std::move(Err); | ||||||||
6736 | |||||||||
6737 | ArrayRef<const TypeSourceInfo *> FromAssocTypes(E->getAssocTypeSourceInfos()); | ||||||||
6738 | SmallVector<TypeSourceInfo *, 1> ToAssocTypes(FromAssocTypes.size()); | ||||||||
6739 | if (Error Err = ImportContainerChecked(FromAssocTypes, ToAssocTypes)) | ||||||||
6740 | return std::move(Err); | ||||||||
6741 | |||||||||
6742 | ArrayRef<const Expr *> FromAssocExprs(E->getAssocExprs()); | ||||||||
6743 | SmallVector<Expr *, 1> ToAssocExprs(FromAssocExprs.size()); | ||||||||
6744 | if (Error Err = ImportContainerChecked(FromAssocExprs, ToAssocExprs)) | ||||||||
6745 | return std::move(Err); | ||||||||
6746 | |||||||||
6747 | const ASTContext &ToCtx = Importer.getToContext(); | ||||||||
6748 | if (E->isResultDependent()) { | ||||||||
6749 | return GenericSelectionExpr::Create( | ||||||||
6750 | ToCtx, ToGenericLoc, ToControllingExpr, | ||||||||
6751 | llvm::makeArrayRef(ToAssocTypes), llvm::makeArrayRef(ToAssocExprs), | ||||||||
6752 | ToDefaultLoc, ToRParenLoc, E->containsUnexpandedParameterPack()); | ||||||||
6753 | } | ||||||||
6754 | |||||||||
6755 | return GenericSelectionExpr::Create( | ||||||||
6756 | ToCtx, ToGenericLoc, ToControllingExpr, llvm::makeArrayRef(ToAssocTypes), | ||||||||
6757 | llvm::makeArrayRef(ToAssocExprs), ToDefaultLoc, ToRParenLoc, | ||||||||
6758 | E->containsUnexpandedParameterPack(), E->getResultIndex()); | ||||||||
6759 | } | ||||||||
6760 | |||||||||
6761 | ExpectedStmt ASTNodeImporter::VisitPredefinedExpr(PredefinedExpr *E) { | ||||||||
6762 | |||||||||
6763 | Error Err = Error::success(); | ||||||||
6764 | auto ToBeginLoc = importChecked(Err, E->getBeginLoc()); | ||||||||
6765 | auto ToType = importChecked(Err, E->getType()); | ||||||||
6766 | auto ToFunctionName = importChecked(Err, E->getFunctionName()); | ||||||||
6767 | if (Err) | ||||||||
6768 | return std::move(Err); | ||||||||
6769 | |||||||||
6770 | return PredefinedExpr::Create(Importer.getToContext(), ToBeginLoc, ToType, | ||||||||
6771 | E->getIdentKind(), ToFunctionName); | ||||||||
6772 | } | ||||||||
6773 | |||||||||
6774 | ExpectedStmt ASTNodeImporter::VisitDeclRefExpr(DeclRefExpr *E) { | ||||||||
6775 | |||||||||
6776 | Error Err = Error::success(); | ||||||||
6777 | auto ToQualifierLoc = importChecked(Err, E->getQualifierLoc()); | ||||||||
6778 | auto ToTemplateKeywordLoc = importChecked(Err, E->getTemplateKeywordLoc()); | ||||||||
6779 | auto ToDecl = importChecked(Err, E->getDecl()); | ||||||||
6780 | auto ToLocation = importChecked(Err, E->getLocation()); | ||||||||
6781 | auto ToType = importChecked(Err, E->getType()); | ||||||||
6782 | if (Err) | ||||||||
6783 | return std::move(Err); | ||||||||
6784 | |||||||||
6785 | NamedDecl *ToFoundD = nullptr; | ||||||||
6786 | if (E->getDecl() != E->getFoundDecl()) { | ||||||||
6787 | auto FoundDOrErr = import(E->getFoundDecl()); | ||||||||
6788 | if (!FoundDOrErr) | ||||||||
6789 | return FoundDOrErr.takeError(); | ||||||||
6790 | ToFoundD = *FoundDOrErr; | ||||||||
6791 | } | ||||||||
6792 | |||||||||
6793 | TemplateArgumentListInfo ToTAInfo; | ||||||||
6794 | TemplateArgumentListInfo *ToResInfo = nullptr; | ||||||||
6795 | if (E->hasExplicitTemplateArgs()) { | ||||||||
6796 | if (Error Err = | ||||||||
6797 | ImportTemplateArgumentListInfo(E->getLAngleLoc(), E->getRAngleLoc(), | ||||||||
6798 | E->template_arguments(), ToTAInfo)) | ||||||||
6799 | return std::move(Err); | ||||||||
6800 | ToResInfo = &ToTAInfo; | ||||||||
6801 | } | ||||||||
6802 | |||||||||
6803 | auto *ToE = DeclRefExpr::Create( | ||||||||
6804 | Importer.getToContext(), ToQualifierLoc, ToTemplateKeywordLoc, ToDecl, | ||||||||
6805 | E->refersToEnclosingVariableOrCapture(), ToLocation, ToType, | ||||||||
6806 | E->getValueKind(), ToFoundD, ToResInfo, E->isNonOdrUse()); | ||||||||
6807 | if (E->hadMultipleCandidates()) | ||||||||
6808 | ToE->setHadMultipleCandidates(true); | ||||||||
6809 | return ToE; | ||||||||
6810 | } | ||||||||
6811 | |||||||||
6812 | ExpectedStmt ASTNodeImporter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) { | ||||||||
6813 | ExpectedType TypeOrErr = import(E->getType()); | ||||||||
6814 | if (!TypeOrErr) | ||||||||
6815 | return TypeOrErr.takeError(); | ||||||||
6816 | |||||||||
6817 | return new (Importer.getToContext()) ImplicitValueInitExpr(*TypeOrErr); | ||||||||
6818 | } | ||||||||
6819 | |||||||||
6820 | ExpectedStmt ASTNodeImporter::VisitDesignatedInitExpr(DesignatedInitExpr *E) { | ||||||||
6821 | ExpectedExpr ToInitOrErr = import(E->getInit()); | ||||||||
6822 | if (!ToInitOrErr) | ||||||||
6823 | return ToInitOrErr.takeError(); | ||||||||
6824 | |||||||||
6825 | ExpectedSLoc ToEqualOrColonLocOrErr = import(E->getEqualOrColonLoc()); | ||||||||
6826 | if (!ToEqualOrColonLocOrErr) | ||||||||
6827 | return ToEqualOrColonLocOrErr.takeError(); | ||||||||
6828 | |||||||||
6829 | SmallVector<Expr *, 4> ToIndexExprs(E->getNumSubExprs() - 1); | ||||||||
6830 | // List elements from the second, the first is Init itself | ||||||||
6831 | for (unsigned I = 1, N = E->getNumSubExprs(); I < N; I++) { | ||||||||
6832 | if (ExpectedExpr ToArgOrErr = import(E->getSubExpr(I))) | ||||||||
6833 | ToIndexExprs[I - 1] = *ToArgOrErr; | ||||||||
6834 | else | ||||||||
6835 | return ToArgOrErr.takeError(); | ||||||||
6836 | } | ||||||||
6837 | |||||||||
6838 | SmallVector<Designator, 4> ToDesignators(E->size()); | ||||||||
6839 | if (Error Err = ImportContainerChecked(E->designators(), ToDesignators)) | ||||||||
6840 | return std::move(Err); | ||||||||
6841 | |||||||||
6842 | return DesignatedInitExpr::Create( | ||||||||
6843 | Importer.getToContext(), ToDesignators, | ||||||||
6844 | ToIndexExprs, *ToEqualOrColonLocOrErr, | ||||||||
6845 | E->usesGNUSyntax(), *ToInitOrErr); | ||||||||
6846 | } | ||||||||
6847 | |||||||||
6848 | ExpectedStmt | ||||||||
6849 | ASTNodeImporter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) { | ||||||||
6850 | ExpectedType ToTypeOrErr = import(E->getType()); | ||||||||
6851 | if (!ToTypeOrErr) | ||||||||
6852 | return ToTypeOrErr.takeError(); | ||||||||
6853 | |||||||||
6854 | ExpectedSLoc ToLocationOrErr = import(E->getLocation()); | ||||||||
6855 | if (!ToLocationOrErr) | ||||||||
6856 | return ToLocationOrErr.takeError(); | ||||||||
6857 | |||||||||
6858 | return new (Importer.getToContext()) CXXNullPtrLiteralExpr( | ||||||||
6859 | *ToTypeOrErr, *ToLocationOrErr); | ||||||||
6860 | } | ||||||||
6861 | |||||||||
6862 | ExpectedStmt ASTNodeImporter::VisitIntegerLiteral(IntegerLiteral *E) { | ||||||||
6863 | ExpectedType ToTypeOrErr = import(E->getType()); | ||||||||
6864 | if (!ToTypeOrErr) | ||||||||
6865 | return ToTypeOrErr.takeError(); | ||||||||
6866 | |||||||||
6867 | ExpectedSLoc ToLocationOrErr = import(E->getLocation()); | ||||||||
6868 | if (!ToLocationOrErr) | ||||||||
6869 | return ToLocationOrErr.takeError(); | ||||||||
6870 | |||||||||
6871 | return IntegerLiteral::Create( | ||||||||
6872 | Importer.getToContext(), E->getValue(), *ToTypeOrErr, *ToLocationOrErr); | ||||||||
6873 | } | ||||||||
6874 | |||||||||
6875 | |||||||||
6876 | ExpectedStmt ASTNodeImporter::VisitFloatingLiteral(FloatingLiteral *E) { | ||||||||
6877 | ExpectedType ToTypeOrErr = import(E->getType()); | ||||||||
6878 | if (!ToTypeOrErr) | ||||||||
6879 | return ToTypeOrErr.takeError(); | ||||||||
6880 | |||||||||
6881 | ExpectedSLoc ToLocationOrErr = import(E->getLocation()); | ||||||||
6882 | if (!ToLocationOrErr) | ||||||||
6883 | return ToLocationOrErr.takeError(); | ||||||||
6884 | |||||||||
6885 | return FloatingLiteral::Create( | ||||||||
6886 | Importer.getToContext(), E->getValue(), E->isExact(), | ||||||||
6887 | *ToTypeOrErr, *ToLocationOrErr); | ||||||||
6888 | } | ||||||||
6889 | |||||||||
6890 | ExpectedStmt ASTNodeImporter::VisitImaginaryLiteral(ImaginaryLiteral *E) { | ||||||||
6891 | auto ToTypeOrErr = import(E->getType()); | ||||||||
6892 | if (!ToTypeOrErr) | ||||||||
6893 | return ToTypeOrErr.takeError(); | ||||||||
6894 | |||||||||
6895 | ExpectedExpr ToSubExprOrErr = import(E->getSubExpr()); | ||||||||
6896 | if (!ToSubExprOrErr) | ||||||||
6897 | return ToSubExprOrErr.takeError(); | ||||||||
6898 | |||||||||
6899 | return new (Importer.getToContext()) ImaginaryLiteral( | ||||||||
6900 | *ToSubExprOrErr, *ToTypeOrErr); | ||||||||
6901 | } | ||||||||
6902 | |||||||||
6903 | ExpectedStmt ASTNodeImporter::VisitFixedPointLiteral(FixedPointLiteral *E) { | ||||||||
6904 | auto ToTypeOrErr = import(E->getType()); | ||||||||
6905 | if (!ToTypeOrErr) | ||||||||
6906 | return ToTypeOrErr.takeError(); | ||||||||
6907 | |||||||||
6908 | ExpectedSLoc ToLocationOrErr = import(E->getLocation()); | ||||||||
6909 | if (!ToLocationOrErr) | ||||||||
6910 | return ToLocationOrErr.takeError(); | ||||||||
6911 | |||||||||
6912 | return new (Importer.getToContext()) FixedPointLiteral( | ||||||||
6913 | Importer.getToContext(), E->getValue(), *ToTypeOrErr, *ToLocationOrErr, | ||||||||
6914 | Importer.getToContext().getFixedPointScale(*ToTypeOrErr)); | ||||||||
6915 | } | ||||||||
6916 | |||||||||
6917 | ExpectedStmt ASTNodeImporter::VisitCharacterLiteral(CharacterLiteral *E) { | ||||||||
6918 | ExpectedType ToTypeOrErr = import(E->getType()); | ||||||||
6919 | if (!ToTypeOrErr) | ||||||||
6920 | return ToTypeOrErr.takeError(); | ||||||||
6921 | |||||||||
6922 | ExpectedSLoc ToLocationOrErr = import(E->getLocation()); | ||||||||
6923 | if (!ToLocationOrErr) | ||||||||
6924 | return ToLocationOrErr.takeError(); | ||||||||
6925 | |||||||||
6926 | return new (Importer.getToContext()) CharacterLiteral( | ||||||||
6927 | E->getValue(), E->getKind(), *ToTypeOrErr, *ToLocationOrErr); | ||||||||
6928 | } | ||||||||
6929 | |||||||||
6930 | ExpectedStmt ASTNodeImporter::VisitStringLiteral(StringLiteral *E) { | ||||||||
6931 | ExpectedType ToTypeOrErr = import(E->getType()); | ||||||||
6932 | if (!ToTypeOrErr) | ||||||||
6933 | return ToTypeOrErr.takeError(); | ||||||||
6934 | |||||||||
6935 | SmallVector<SourceLocation, 4> ToLocations(E->getNumConcatenated()); | ||||||||
6936 | if (Error Err = ImportArrayChecked( | ||||||||
6937 | E->tokloc_begin(), E->tokloc_end(), ToLocations.begin())) | ||||||||
6938 | return std::move(Err); | ||||||||
6939 | |||||||||
6940 | return StringLiteral::Create( | ||||||||
6941 | Importer.getToContext(), E->getBytes(), E->getKind(), E->isPascal(), | ||||||||
6942 | *ToTypeOrErr, ToLocations.data(), ToLocations.size()); | ||||||||
6943 | } | ||||||||
6944 | |||||||||
6945 | ExpectedStmt ASTNodeImporter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { | ||||||||
6946 | |||||||||
6947 | Error Err = Error::success(); | ||||||||
6948 | auto ToLParenLoc = importChecked(Err, E->getLParenLoc()); | ||||||||
6949 | auto ToTypeSourceInfo = importChecked(Err, E->getTypeSourceInfo()); | ||||||||
6950 | auto ToType = importChecked(Err, E->getType()); | ||||||||
6951 | auto ToInitializer = importChecked(Err, E->getInitializer()); | ||||||||
6952 | if (Err) | ||||||||
6953 | return std::move(Err); | ||||||||
6954 | |||||||||
6955 | return new (Importer.getToContext()) CompoundLiteralExpr( | ||||||||
6956 | ToLParenLoc, ToTypeSourceInfo, ToType, E->getValueKind(), | ||||||||
6957 | ToInitializer, E->isFileScope()); | ||||||||
6958 | } | ||||||||
6959 | |||||||||
6960 | ExpectedStmt ASTNodeImporter::VisitAtomicExpr(AtomicExpr *E) { | ||||||||
6961 | |||||||||
6962 | Error Err = Error::success(); | ||||||||
6963 | auto ToBuiltinLoc = importChecked(Err, E->getBuiltinLoc()); | ||||||||
6964 | auto ToType = importChecked(Err, E->getType()); | ||||||||
6965 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
6966 | if (Err) | ||||||||
6967 | return std::move(Err); | ||||||||
6968 | |||||||||
6969 | SmallVector<Expr *, 6> ToExprs(E->getNumSubExprs()); | ||||||||
6970 | if (Error Err = ImportArrayChecked( | ||||||||
6971 | E->getSubExprs(), E->getSubExprs() + E->getNumSubExprs(), | ||||||||
6972 | ToExprs.begin())) | ||||||||
6973 | return std::move(Err); | ||||||||
6974 | |||||||||
6975 | return new (Importer.getToContext()) AtomicExpr( | ||||||||
6976 | |||||||||
6977 | ToBuiltinLoc, ToExprs, ToType, E->getOp(), ToRParenLoc); | ||||||||
6978 | } | ||||||||
6979 | |||||||||
6980 | ExpectedStmt ASTNodeImporter::VisitAddrLabelExpr(AddrLabelExpr *E) { | ||||||||
6981 | Error Err = Error::success(); | ||||||||
6982 | auto ToAmpAmpLoc = importChecked(Err, E->getAmpAmpLoc()); | ||||||||
6983 | auto ToLabelLoc = importChecked(Err, E->getLabelLoc()); | ||||||||
6984 | auto ToLabel = importChecked(Err, E->getLabel()); | ||||||||
6985 | auto ToType = importChecked(Err, E->getType()); | ||||||||
6986 | if (Err) | ||||||||
6987 | return std::move(Err); | ||||||||
6988 | |||||||||
6989 | return new (Importer.getToContext()) AddrLabelExpr( | ||||||||
6990 | ToAmpAmpLoc, ToLabelLoc, ToLabel, ToType); | ||||||||
6991 | } | ||||||||
6992 | ExpectedStmt ASTNodeImporter::VisitConstantExpr(ConstantExpr *E) { | ||||||||
6993 | Error Err = Error::success(); | ||||||||
6994 | auto ToSubExpr = importChecked(Err, E->getSubExpr()); | ||||||||
6995 | auto ToResult = importChecked(Err, E->getAPValueResult()); | ||||||||
6996 | if (Err) | ||||||||
6997 | return std::move(Err); | ||||||||
6998 | |||||||||
6999 | return ConstantExpr::Create(Importer.getToContext(), ToSubExpr, ToResult); | ||||||||
7000 | } | ||||||||
7001 | ExpectedStmt ASTNodeImporter::VisitParenExpr(ParenExpr *E) { | ||||||||
7002 | Error Err = Error::success(); | ||||||||
7003 | auto ToLParen = importChecked(Err, E->getLParen()); | ||||||||
7004 | auto ToRParen = importChecked(Err, E->getRParen()); | ||||||||
7005 | auto ToSubExpr = importChecked(Err, E->getSubExpr()); | ||||||||
7006 | if (Err) | ||||||||
7007 | return std::move(Err); | ||||||||
7008 | |||||||||
7009 | return new (Importer.getToContext()) | ||||||||
7010 | ParenExpr(ToLParen, ToRParen, ToSubExpr); | ||||||||
7011 | } | ||||||||
7012 | |||||||||
7013 | ExpectedStmt ASTNodeImporter::VisitParenListExpr(ParenListExpr *E) { | ||||||||
7014 | SmallVector<Expr *, 4> ToExprs(E->getNumExprs()); | ||||||||
7015 | if (Error Err = ImportContainerChecked(E->exprs(), ToExprs)) | ||||||||
7016 | return std::move(Err); | ||||||||
7017 | |||||||||
7018 | ExpectedSLoc ToLParenLocOrErr = import(E->getLParenLoc()); | ||||||||
7019 | if (!ToLParenLocOrErr) | ||||||||
7020 | return ToLParenLocOrErr.takeError(); | ||||||||
7021 | |||||||||
7022 | ExpectedSLoc ToRParenLocOrErr = import(E->getRParenLoc()); | ||||||||
7023 | if (!ToRParenLocOrErr) | ||||||||
7024 | return ToRParenLocOrErr.takeError(); | ||||||||
7025 | |||||||||
7026 | return ParenListExpr::Create(Importer.getToContext(), *ToLParenLocOrErr, | ||||||||
7027 | ToExprs, *ToRParenLocOrErr); | ||||||||
7028 | } | ||||||||
7029 | |||||||||
7030 | ExpectedStmt ASTNodeImporter::VisitStmtExpr(StmtExpr *E) { | ||||||||
7031 | Error Err = Error::success(); | ||||||||
7032 | auto ToSubStmt = importChecked(Err, E->getSubStmt()); | ||||||||
7033 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7034 | auto ToLParenLoc = importChecked(Err, E->getLParenLoc()); | ||||||||
7035 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
7036 | if (Err) | ||||||||
7037 | return std::move(Err); | ||||||||
7038 | |||||||||
7039 | return new (Importer.getToContext()) | ||||||||
7040 | StmtExpr(ToSubStmt, ToType, ToLParenLoc, ToRParenLoc, | ||||||||
7041 | E->getTemplateDepth()); | ||||||||
7042 | } | ||||||||
7043 | |||||||||
7044 | ExpectedStmt ASTNodeImporter::VisitUnaryOperator(UnaryOperator *E) { | ||||||||
7045 | Error Err = Error::success(); | ||||||||
7046 | auto ToSubExpr = importChecked(Err, E->getSubExpr()); | ||||||||
7047 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7048 | auto ToOperatorLoc = importChecked(Err, E->getOperatorLoc()); | ||||||||
7049 | if (Err) | ||||||||
7050 | return std::move(Err); | ||||||||
7051 | |||||||||
7052 | return UnaryOperator::Create( | ||||||||
7053 | Importer.getToContext(), ToSubExpr, E->getOpcode(), ToType, | ||||||||
7054 | E->getValueKind(), E->getObjectKind(), ToOperatorLoc, E->canOverflow(), | ||||||||
7055 | E->getFPOptionsOverride()); | ||||||||
7056 | } | ||||||||
7057 | |||||||||
7058 | ExpectedStmt | ||||||||
7059 | |||||||||
7060 | ASTNodeImporter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E) { | ||||||||
7061 | Error Err = Error::success(); | ||||||||
7062 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7063 | auto ToOperatorLoc = importChecked(Err, E->getOperatorLoc()); | ||||||||
7064 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
7065 | if (Err) | ||||||||
7066 | return std::move(Err); | ||||||||
7067 | |||||||||
7068 | if (E->isArgumentType()) { | ||||||||
7069 | Expected<TypeSourceInfo *> ToArgumentTypeInfoOrErr = | ||||||||
7070 | import(E->getArgumentTypeInfo()); | ||||||||
7071 | if (!ToArgumentTypeInfoOrErr) | ||||||||
7072 | return ToArgumentTypeInfoOrErr.takeError(); | ||||||||
7073 | |||||||||
7074 | return new (Importer.getToContext()) UnaryExprOrTypeTraitExpr( | ||||||||
7075 | E->getKind(), *ToArgumentTypeInfoOrErr, ToType, ToOperatorLoc, | ||||||||
7076 | ToRParenLoc); | ||||||||
7077 | } | ||||||||
7078 | |||||||||
7079 | ExpectedExpr ToArgumentExprOrErr = import(E->getArgumentExpr()); | ||||||||
7080 | if (!ToArgumentExprOrErr) | ||||||||
7081 | return ToArgumentExprOrErr.takeError(); | ||||||||
7082 | |||||||||
7083 | return new (Importer.getToContext()) UnaryExprOrTypeTraitExpr( | ||||||||
7084 | E->getKind(), *ToArgumentExprOrErr, ToType, ToOperatorLoc, ToRParenLoc); | ||||||||
7085 | } | ||||||||
7086 | |||||||||
7087 | ExpectedStmt ASTNodeImporter::VisitBinaryOperator(BinaryOperator *E) { | ||||||||
7088 | Error Err = Error::success(); | ||||||||
7089 | auto ToLHS = importChecked(Err, E->getLHS()); | ||||||||
7090 | auto ToRHS = importChecked(Err, E->getRHS()); | ||||||||
7091 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7092 | auto ToOperatorLoc = importChecked(Err, E->getOperatorLoc()); | ||||||||
7093 | if (Err) | ||||||||
7094 | return std::move(Err); | ||||||||
7095 | |||||||||
7096 | return BinaryOperator::Create( | ||||||||
7097 | Importer.getToContext(), ToLHS, ToRHS, E->getOpcode(), ToType, | ||||||||
7098 | E->getValueKind(), E->getObjectKind(), ToOperatorLoc, | ||||||||
7099 | E->getFPFeatures(Importer.getFromContext().getLangOpts())); | ||||||||
7100 | } | ||||||||
7101 | |||||||||
7102 | ExpectedStmt ASTNodeImporter::VisitConditionalOperator(ConditionalOperator *E) { | ||||||||
7103 | Error Err = Error::success(); | ||||||||
7104 | auto ToCond = importChecked(Err, E->getCond()); | ||||||||
7105 | auto ToQuestionLoc = importChecked(Err, E->getQuestionLoc()); | ||||||||
7106 | auto ToLHS = importChecked(Err, E->getLHS()); | ||||||||
7107 | auto ToColonLoc = importChecked(Err, E->getColonLoc()); | ||||||||
7108 | auto ToRHS = importChecked(Err, E->getRHS()); | ||||||||
7109 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7110 | if (Err) | ||||||||
7111 | return std::move(Err); | ||||||||
7112 | |||||||||
7113 | return new (Importer.getToContext()) ConditionalOperator( | ||||||||
7114 | ToCond, ToQuestionLoc, ToLHS, ToColonLoc, ToRHS, ToType, | ||||||||
7115 | E->getValueKind(), E->getObjectKind()); | ||||||||
7116 | } | ||||||||
7117 | |||||||||
7118 | ExpectedStmt | ||||||||
7119 | ASTNodeImporter::VisitBinaryConditionalOperator(BinaryConditionalOperator *E) { | ||||||||
7120 | Error Err = Error::success(); | ||||||||
7121 | auto ToCommon = importChecked(Err, E->getCommon()); | ||||||||
7122 | auto ToOpaqueValue = importChecked(Err, E->getOpaqueValue()); | ||||||||
7123 | auto ToCond = importChecked(Err, E->getCond()); | ||||||||
7124 | auto ToTrueExpr = importChecked(Err, E->getTrueExpr()); | ||||||||
7125 | auto ToFalseExpr = importChecked(Err, E->getFalseExpr()); | ||||||||
7126 | auto ToQuestionLoc = importChecked(Err, E->getQuestionLoc()); | ||||||||
7127 | auto ToColonLoc = importChecked(Err, E->getColonLoc()); | ||||||||
7128 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7129 | if (Err) | ||||||||
7130 | return std::move(Err); | ||||||||
7131 | |||||||||
7132 | return new (Importer.getToContext()) BinaryConditionalOperator( | ||||||||
7133 | ToCommon, ToOpaqueValue, ToCond, ToTrueExpr, ToFalseExpr, | ||||||||
7134 | ToQuestionLoc, ToColonLoc, ToType, E->getValueKind(), | ||||||||
7135 | E->getObjectKind()); | ||||||||
7136 | } | ||||||||
7137 | |||||||||
7138 | ExpectedStmt ASTNodeImporter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) { | ||||||||
7139 | Error Err = Error::success(); | ||||||||
7140 | auto ToBeginLoc = importChecked(Err, E->getBeginLoc()); | ||||||||
7141 | auto ToQueriedTypeSourceInfo = | ||||||||
7142 | importChecked(Err, E->getQueriedTypeSourceInfo()); | ||||||||
7143 | auto ToDimensionExpression = importChecked(Err, E->getDimensionExpression()); | ||||||||
7144 | auto ToEndLoc = importChecked(Err, E->getEndLoc()); | ||||||||
7145 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7146 | if (Err) | ||||||||
7147 | return std::move(Err); | ||||||||
7148 | |||||||||
7149 | return new (Importer.getToContext()) ArrayTypeTraitExpr( | ||||||||
7150 | ToBeginLoc, E->getTrait(), ToQueriedTypeSourceInfo, E->getValue(), | ||||||||
7151 | ToDimensionExpression, ToEndLoc, ToType); | ||||||||
7152 | } | ||||||||
7153 | |||||||||
7154 | ExpectedStmt ASTNodeImporter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) { | ||||||||
7155 | Error Err = Error::success(); | ||||||||
7156 | auto ToBeginLoc = importChecked(Err, E->getBeginLoc()); | ||||||||
7157 | auto ToQueriedExpression = importChecked(Err, E->getQueriedExpression()); | ||||||||
7158 | auto ToEndLoc = importChecked(Err, E->getEndLoc()); | ||||||||
7159 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7160 | if (Err) | ||||||||
7161 | return std::move(Err); | ||||||||
7162 | |||||||||
7163 | return new (Importer.getToContext()) ExpressionTraitExpr( | ||||||||
7164 | ToBeginLoc, E->getTrait(), ToQueriedExpression, E->getValue(), | ||||||||
7165 | ToEndLoc, ToType); | ||||||||
7166 | } | ||||||||
7167 | |||||||||
7168 | ExpectedStmt ASTNodeImporter::VisitOpaqueValueExpr(OpaqueValueExpr *E) { | ||||||||
7169 | Error Err = Error::success(); | ||||||||
7170 | auto ToLocation = importChecked(Err, E->getLocation()); | ||||||||
7171 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7172 | auto ToSourceExpr = importChecked(Err, E->getSourceExpr()); | ||||||||
7173 | if (Err) | ||||||||
7174 | return std::move(Err); | ||||||||
7175 | |||||||||
7176 | return new (Importer.getToContext()) OpaqueValueExpr( | ||||||||
7177 | ToLocation, ToType, E->getValueKind(), E->getObjectKind(), ToSourceExpr); | ||||||||
7178 | } | ||||||||
7179 | |||||||||
7180 | ExpectedStmt ASTNodeImporter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) { | ||||||||
7181 | Error Err = Error::success(); | ||||||||
7182 | auto ToLHS = importChecked(Err, E->getLHS()); | ||||||||
7183 | auto ToRHS = importChecked(Err, E->getRHS()); | ||||||||
7184 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7185 | auto ToRBracketLoc = importChecked(Err, E->getRBracketLoc()); | ||||||||
7186 | if (Err) | ||||||||
7187 | return std::move(Err); | ||||||||
7188 | |||||||||
7189 | return new (Importer.getToContext()) ArraySubscriptExpr( | ||||||||
7190 | ToLHS, ToRHS, ToType, E->getValueKind(), E->getObjectKind(), | ||||||||
7191 | ToRBracketLoc); | ||||||||
7192 | } | ||||||||
7193 | |||||||||
7194 | ExpectedStmt | ||||||||
7195 | ASTNodeImporter::VisitCompoundAssignOperator(CompoundAssignOperator *E) { | ||||||||
7196 | Error Err = Error::success(); | ||||||||
7197 | auto ToLHS = importChecked(Err, E->getLHS()); | ||||||||
7198 | auto ToRHS = importChecked(Err, E->getRHS()); | ||||||||
7199 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7200 | auto ToComputationLHSType = importChecked(Err, E->getComputationLHSType()); | ||||||||
7201 | auto ToComputationResultType = | ||||||||
7202 | importChecked(Err, E->getComputationResultType()); | ||||||||
7203 | auto ToOperatorLoc = importChecked(Err, E->getOperatorLoc()); | ||||||||
7204 | if (Err) | ||||||||
7205 | return std::move(Err); | ||||||||
7206 | |||||||||
7207 | return CompoundAssignOperator::Create( | ||||||||
7208 | Importer.getToContext(), ToLHS, ToRHS, E->getOpcode(), ToType, | ||||||||
7209 | E->getValueKind(), E->getObjectKind(), ToOperatorLoc, | ||||||||
7210 | E->getFPFeatures(Importer.getFromContext().getLangOpts()), | ||||||||
7211 | ToComputationLHSType, ToComputationResultType); | ||||||||
7212 | } | ||||||||
7213 | |||||||||
7214 | Expected<CXXCastPath> | ||||||||
7215 | ASTNodeImporter::ImportCastPath(CastExpr *CE) { | ||||||||
7216 | CXXCastPath Path; | ||||||||
7217 | for (auto I = CE->path_begin(), E = CE->path_end(); I != E; ++I) { | ||||||||
7218 | if (auto SpecOrErr = import(*I)) | ||||||||
7219 | Path.push_back(*SpecOrErr); | ||||||||
7220 | else | ||||||||
7221 | return SpecOrErr.takeError(); | ||||||||
7222 | } | ||||||||
7223 | return Path; | ||||||||
7224 | } | ||||||||
7225 | |||||||||
7226 | ExpectedStmt ASTNodeImporter::VisitImplicitCastExpr(ImplicitCastExpr *E) { | ||||||||
7227 | ExpectedType ToTypeOrErr = import(E->getType()); | ||||||||
7228 | if (!ToTypeOrErr) | ||||||||
7229 | return ToTypeOrErr.takeError(); | ||||||||
7230 | |||||||||
7231 | ExpectedExpr ToSubExprOrErr = import(E->getSubExpr()); | ||||||||
7232 | if (!ToSubExprOrErr) | ||||||||
7233 | return ToSubExprOrErr.takeError(); | ||||||||
7234 | |||||||||
7235 | Expected<CXXCastPath> ToBasePathOrErr = ImportCastPath(E); | ||||||||
7236 | if (!ToBasePathOrErr) | ||||||||
7237 | return ToBasePathOrErr.takeError(); | ||||||||
7238 | |||||||||
7239 | return ImplicitCastExpr::Create( | ||||||||
7240 | Importer.getToContext(), *ToTypeOrErr, E->getCastKind(), *ToSubExprOrErr, | ||||||||
7241 | &(*ToBasePathOrErr), E->getValueKind(), E->getFPFeatures()); | ||||||||
7242 | } | ||||||||
7243 | |||||||||
7244 | ExpectedStmt ASTNodeImporter::VisitExplicitCastExpr(ExplicitCastExpr *E) { | ||||||||
7245 | Error Err = Error::success(); | ||||||||
7246 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7247 | auto ToSubExpr = importChecked(Err, E->getSubExpr()); | ||||||||
7248 | auto ToTypeInfoAsWritten = importChecked(Err, E->getTypeInfoAsWritten()); | ||||||||
7249 | if (Err) | ||||||||
7250 | return std::move(Err); | ||||||||
7251 | |||||||||
7252 | Expected<CXXCastPath> ToBasePathOrErr = ImportCastPath(E); | ||||||||
7253 | if (!ToBasePathOrErr) | ||||||||
7254 | return ToBasePathOrErr.takeError(); | ||||||||
7255 | CXXCastPath *ToBasePath = &(*ToBasePathOrErr); | ||||||||
7256 | |||||||||
7257 | switch (E->getStmtClass()) { | ||||||||
7258 | case Stmt::CStyleCastExprClass: { | ||||||||
7259 | auto *CCE = cast<CStyleCastExpr>(E); | ||||||||
7260 | ExpectedSLoc ToLParenLocOrErr = import(CCE->getLParenLoc()); | ||||||||
7261 | if (!ToLParenLocOrErr) | ||||||||
7262 | return ToLParenLocOrErr.takeError(); | ||||||||
7263 | ExpectedSLoc ToRParenLocOrErr = import(CCE->getRParenLoc()); | ||||||||
7264 | if (!ToRParenLocOrErr) | ||||||||
7265 | return ToRParenLocOrErr.takeError(); | ||||||||
7266 | return CStyleCastExpr::Create( | ||||||||
7267 | Importer.getToContext(), ToType, E->getValueKind(), E->getCastKind(), | ||||||||
7268 | ToSubExpr, ToBasePath, CCE->getFPFeatures(), ToTypeInfoAsWritten, | ||||||||
7269 | *ToLParenLocOrErr, *ToRParenLocOrErr); | ||||||||
7270 | } | ||||||||
7271 | |||||||||
7272 | case Stmt::CXXFunctionalCastExprClass: { | ||||||||
7273 | auto *FCE = cast<CXXFunctionalCastExpr>(E); | ||||||||
7274 | ExpectedSLoc ToLParenLocOrErr = import(FCE->getLParenLoc()); | ||||||||
7275 | if (!ToLParenLocOrErr) | ||||||||
7276 | return ToLParenLocOrErr.takeError(); | ||||||||
7277 | ExpectedSLoc ToRParenLocOrErr = import(FCE->getRParenLoc()); | ||||||||
7278 | if (!ToRParenLocOrErr) | ||||||||
7279 | return ToRParenLocOrErr.takeError(); | ||||||||
7280 | return CXXFunctionalCastExpr::Create( | ||||||||
7281 | Importer.getToContext(), ToType, E->getValueKind(), ToTypeInfoAsWritten, | ||||||||
7282 | E->getCastKind(), ToSubExpr, ToBasePath, FCE->getFPFeatures(), | ||||||||
7283 | *ToLParenLocOrErr, *ToRParenLocOrErr); | ||||||||
7284 | } | ||||||||
7285 | |||||||||
7286 | case Stmt::ObjCBridgedCastExprClass: { | ||||||||
7287 | auto *OCE = cast<ObjCBridgedCastExpr>(E); | ||||||||
7288 | ExpectedSLoc ToLParenLocOrErr = import(OCE->getLParenLoc()); | ||||||||
7289 | if (!ToLParenLocOrErr) | ||||||||
7290 | return ToLParenLocOrErr.takeError(); | ||||||||
7291 | ExpectedSLoc ToBridgeKeywordLocOrErr = import(OCE->getBridgeKeywordLoc()); | ||||||||
7292 | if (!ToBridgeKeywordLocOrErr) | ||||||||
7293 | return ToBridgeKeywordLocOrErr.takeError(); | ||||||||
7294 | return new (Importer.getToContext()) ObjCBridgedCastExpr( | ||||||||
7295 | *ToLParenLocOrErr, OCE->getBridgeKind(), E->getCastKind(), | ||||||||
7296 | *ToBridgeKeywordLocOrErr, ToTypeInfoAsWritten, ToSubExpr); | ||||||||
7297 | } | ||||||||
7298 | default: | ||||||||
7299 | llvm_unreachable("Cast expression of unsupported type!")::llvm::llvm_unreachable_internal("Cast expression of unsupported type!" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 7299); | ||||||||
7300 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | ||||||||
7301 | } | ||||||||
7302 | } | ||||||||
7303 | |||||||||
7304 | ExpectedStmt ASTNodeImporter::VisitOffsetOfExpr(OffsetOfExpr *E) { | ||||||||
7305 | SmallVector<OffsetOfNode, 4> ToNodes; | ||||||||
7306 | for (int I = 0, N = E->getNumComponents(); I < N; ++I) { | ||||||||
7307 | const OffsetOfNode &FromNode = E->getComponent(I); | ||||||||
7308 | |||||||||
7309 | SourceLocation ToBeginLoc, ToEndLoc; | ||||||||
7310 | |||||||||
7311 | if (FromNode.getKind() != OffsetOfNode::Base) { | ||||||||
7312 | Error Err = Error::success(); | ||||||||
7313 | ToBeginLoc = importChecked(Err, FromNode.getBeginLoc()); | ||||||||
7314 | ToEndLoc = importChecked(Err, FromNode.getEndLoc()); | ||||||||
7315 | if (Err) | ||||||||
7316 | return std::move(Err); | ||||||||
7317 | } | ||||||||
7318 | |||||||||
7319 | switch (FromNode.getKind()) { | ||||||||
7320 | case OffsetOfNode::Array: | ||||||||
7321 | ToNodes.push_back( | ||||||||
7322 | OffsetOfNode(ToBeginLoc, FromNode.getArrayExprIndex(), ToEndLoc)); | ||||||||
7323 | break; | ||||||||
7324 | case OffsetOfNode::Base: { | ||||||||
7325 | auto ToBSOrErr = import(FromNode.getBase()); | ||||||||
7326 | if (!ToBSOrErr) | ||||||||
7327 | return ToBSOrErr.takeError(); | ||||||||
7328 | ToNodes.push_back(OffsetOfNode(*ToBSOrErr)); | ||||||||
7329 | break; | ||||||||
7330 | } | ||||||||
7331 | case OffsetOfNode::Field: { | ||||||||
7332 | auto ToFieldOrErr = import(FromNode.getField()); | ||||||||
7333 | if (!ToFieldOrErr) | ||||||||
7334 | return ToFieldOrErr.takeError(); | ||||||||
7335 | ToNodes.push_back(OffsetOfNode(ToBeginLoc, *ToFieldOrErr, ToEndLoc)); | ||||||||
7336 | break; | ||||||||
7337 | } | ||||||||
7338 | case OffsetOfNode::Identifier: { | ||||||||
7339 | IdentifierInfo *ToII = Importer.Import(FromNode.getFieldName()); | ||||||||
7340 | ToNodes.push_back(OffsetOfNode(ToBeginLoc, ToII, ToEndLoc)); | ||||||||
7341 | break; | ||||||||
7342 | } | ||||||||
7343 | } | ||||||||
7344 | } | ||||||||
7345 | |||||||||
7346 | SmallVector<Expr *, 4> ToExprs(E->getNumExpressions()); | ||||||||
7347 | for (int I = 0, N = E->getNumExpressions(); I < N; ++I) { | ||||||||
7348 | ExpectedExpr ToIndexExprOrErr = import(E->getIndexExpr(I)); | ||||||||
7349 | if (!ToIndexExprOrErr) | ||||||||
7350 | return ToIndexExprOrErr.takeError(); | ||||||||
7351 | ToExprs[I] = *ToIndexExprOrErr; | ||||||||
7352 | } | ||||||||
7353 | |||||||||
7354 | Error Err = Error::success(); | ||||||||
7355 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7356 | auto ToTypeSourceInfo = importChecked(Err, E->getTypeSourceInfo()); | ||||||||
7357 | auto ToOperatorLoc = importChecked(Err, E->getOperatorLoc()); | ||||||||
7358 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
7359 | if (Err) | ||||||||
7360 | return std::move(Err); | ||||||||
7361 | |||||||||
7362 | return OffsetOfExpr::Create( | ||||||||
7363 | Importer.getToContext(), ToType, ToOperatorLoc, ToTypeSourceInfo, ToNodes, | ||||||||
7364 | ToExprs, ToRParenLoc); | ||||||||
7365 | } | ||||||||
7366 | |||||||||
7367 | ExpectedStmt ASTNodeImporter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) { | ||||||||
7368 | Error Err = Error::success(); | ||||||||
7369 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7370 | auto ToOperand = importChecked(Err, E->getOperand()); | ||||||||
7371 | auto ToBeginLoc = importChecked(Err, E->getBeginLoc()); | ||||||||
7372 | auto ToEndLoc = importChecked(Err, E->getEndLoc()); | ||||||||
7373 | if (Err) | ||||||||
7374 | return std::move(Err); | ||||||||
7375 | |||||||||
7376 | CanThrowResult ToCanThrow; | ||||||||
7377 | if (E->isValueDependent()) | ||||||||
7378 | ToCanThrow = CT_Dependent; | ||||||||
7379 | else | ||||||||
7380 | ToCanThrow = E->getValue() ? CT_Can : CT_Cannot; | ||||||||
7381 | |||||||||
7382 | return new (Importer.getToContext()) CXXNoexceptExpr( | ||||||||
7383 | ToType, ToOperand, ToCanThrow, ToBeginLoc, ToEndLoc); | ||||||||
7384 | } | ||||||||
7385 | |||||||||
7386 | ExpectedStmt ASTNodeImporter::VisitCXXThrowExpr(CXXThrowExpr *E) { | ||||||||
7387 | Error Err = Error::success(); | ||||||||
7388 | auto ToSubExpr = importChecked(Err, E->getSubExpr()); | ||||||||
7389 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7390 | auto ToThrowLoc = importChecked(Err, E->getThrowLoc()); | ||||||||
7391 | if (Err) | ||||||||
7392 | return std::move(Err); | ||||||||
7393 | |||||||||
7394 | return new (Importer.getToContext()) CXXThrowExpr( | ||||||||
7395 | ToSubExpr, ToType, ToThrowLoc, E->isThrownVariableInScope()); | ||||||||
7396 | } | ||||||||
7397 | |||||||||
7398 | ExpectedStmt ASTNodeImporter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { | ||||||||
7399 | ExpectedSLoc ToUsedLocOrErr = import(E->getUsedLocation()); | ||||||||
7400 | if (!ToUsedLocOrErr) | ||||||||
7401 | return ToUsedLocOrErr.takeError(); | ||||||||
7402 | |||||||||
7403 | auto ToParamOrErr = import(E->getParam()); | ||||||||
7404 | if (!ToParamOrErr) | ||||||||
7405 | return ToParamOrErr.takeError(); | ||||||||
7406 | |||||||||
7407 | auto UsedContextOrErr = Importer.ImportContext(E->getUsedContext()); | ||||||||
7408 | if (!UsedContextOrErr) | ||||||||
7409 | return UsedContextOrErr.takeError(); | ||||||||
7410 | |||||||||
7411 | // Import the default arg if it was not imported yet. | ||||||||
7412 | // This is needed because it can happen that during the import of the | ||||||||
7413 | // default expression (from VisitParmVarDecl) the same ParmVarDecl is | ||||||||
7414 | // encountered here. The default argument for a ParmVarDecl is set in the | ||||||||
7415 | // ParmVarDecl only after it is imported (set in VisitParmVarDecl if not here, | ||||||||
7416 | // see VisitParmVarDecl). | ||||||||
7417 | ParmVarDecl *ToParam = *ToParamOrErr; | ||||||||
7418 | if (!ToParam->getDefaultArg()) { | ||||||||
7419 | Optional<ParmVarDecl *> FromParam = Importer.getImportedFromDecl(ToParam); | ||||||||
7420 | assert(FromParam && "ParmVarDecl was not imported?")(static_cast <bool> (FromParam && "ParmVarDecl was not imported?" ) ? void (0) : __assert_fail ("FromParam && \"ParmVarDecl was not imported?\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 7420, __extension__ __PRETTY_FUNCTION__)); | ||||||||
7421 | |||||||||
7422 | if (Error Err = ImportDefaultArgOfParmVarDecl(*FromParam, ToParam)) | ||||||||
7423 | return std::move(Err); | ||||||||
7424 | } | ||||||||
7425 | |||||||||
7426 | return CXXDefaultArgExpr::Create(Importer.getToContext(), *ToUsedLocOrErr, | ||||||||
7427 | *ToParamOrErr, *UsedContextOrErr); | ||||||||
7428 | } | ||||||||
7429 | |||||||||
7430 | ExpectedStmt | ||||||||
7431 | ASTNodeImporter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) { | ||||||||
7432 | Error Err = Error::success(); | ||||||||
7433 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7434 | auto ToTypeSourceInfo = importChecked(Err, E->getTypeSourceInfo()); | ||||||||
7435 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
7436 | if (Err) | ||||||||
7437 | return std::move(Err); | ||||||||
7438 | |||||||||
7439 | return new (Importer.getToContext()) CXXScalarValueInitExpr( | ||||||||
7440 | ToType, ToTypeSourceInfo, ToRParenLoc); | ||||||||
7441 | } | ||||||||
7442 | |||||||||
7443 | ExpectedStmt | ||||||||
7444 | ASTNodeImporter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { | ||||||||
7445 | ExpectedExpr ToSubExprOrErr = import(E->getSubExpr()); | ||||||||
7446 | if (!ToSubExprOrErr) | ||||||||
7447 | return ToSubExprOrErr.takeError(); | ||||||||
7448 | |||||||||
7449 | auto ToDtorOrErr = import(E->getTemporary()->getDestructor()); | ||||||||
7450 | if (!ToDtorOrErr) | ||||||||
7451 | return ToDtorOrErr.takeError(); | ||||||||
7452 | |||||||||
7453 | ASTContext &ToCtx = Importer.getToContext(); | ||||||||
7454 | CXXTemporary *Temp = CXXTemporary::Create(ToCtx, *ToDtorOrErr); | ||||||||
7455 | return CXXBindTemporaryExpr::Create(ToCtx, Temp, *ToSubExprOrErr); | ||||||||
7456 | } | ||||||||
7457 | |||||||||
7458 | ExpectedStmt | ||||||||
7459 | |||||||||
7460 | ASTNodeImporter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) { | ||||||||
7461 | Error Err = Error::success(); | ||||||||
7462 | auto ToConstructor = importChecked(Err, E->getConstructor()); | ||||||||
7463 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7464 | auto ToTypeSourceInfo = importChecked(Err, E->getTypeSourceInfo()); | ||||||||
7465 | auto ToParenOrBraceRange = importChecked(Err, E->getParenOrBraceRange()); | ||||||||
7466 | if (Err) | ||||||||
7467 | return std::move(Err); | ||||||||
7468 | |||||||||
7469 | SmallVector<Expr *, 8> ToArgs(E->getNumArgs()); | ||||||||
7470 | if (Error Err = ImportContainerChecked(E->arguments(), ToArgs)) | ||||||||
7471 | return std::move(Err); | ||||||||
7472 | |||||||||
7473 | return CXXTemporaryObjectExpr::Create( | ||||||||
7474 | Importer.getToContext(), ToConstructor, ToType, ToTypeSourceInfo, ToArgs, | ||||||||
7475 | ToParenOrBraceRange, E->hadMultipleCandidates(), | ||||||||
7476 | E->isListInitialization(), E->isStdInitListInitialization(), | ||||||||
7477 | E->requiresZeroInitialization()); | ||||||||
7478 | } | ||||||||
7479 | |||||||||
7480 | ExpectedDecl ASTNodeImporter::VisitLifetimeExtendedTemporaryDecl( | ||||||||
7481 | LifetimeExtendedTemporaryDecl *D) { | ||||||||
7482 | DeclContext *DC, *LexicalDC; | ||||||||
7483 | if (Error Err = ImportDeclContext(D, DC, LexicalDC)) | ||||||||
7484 | return std::move(Err); | ||||||||
7485 | |||||||||
7486 | Error Err = Error::success(); | ||||||||
7487 | auto Temporary = importChecked(Err, D->getTemporaryExpr()); | ||||||||
7488 | auto ExtendingDecl = importChecked(Err, D->getExtendingDecl()); | ||||||||
7489 | if (Err) | ||||||||
7490 | return std::move(Err); | ||||||||
7491 | // FIXME: Should ManglingNumber get numbers associated with 'to' context? | ||||||||
7492 | |||||||||
7493 | LifetimeExtendedTemporaryDecl *To; | ||||||||
7494 | if (GetImportedOrCreateDecl(To, D, Temporary, ExtendingDecl, | ||||||||
7495 | D->getManglingNumber())) | ||||||||
7496 | return To; | ||||||||
7497 | |||||||||
7498 | To->setLexicalDeclContext(LexicalDC); | ||||||||
7499 | LexicalDC->addDeclInternal(To); | ||||||||
7500 | return To; | ||||||||
7501 | } | ||||||||
7502 | |||||||||
7503 | ExpectedStmt | ||||||||
7504 | ASTNodeImporter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E) { | ||||||||
7505 | Error Err = Error::success(); | ||||||||
7506 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7507 | Expr *ToTemporaryExpr = importChecked( | ||||||||
7508 | Err, E->getLifetimeExtendedTemporaryDecl() ? nullptr : E->getSubExpr()); | ||||||||
7509 | auto ToMaterializedDecl = | ||||||||
7510 | importChecked(Err, E->getLifetimeExtendedTemporaryDecl()); | ||||||||
7511 | if (Err) | ||||||||
7512 | return std::move(Err); | ||||||||
7513 | |||||||||
7514 | if (!ToTemporaryExpr) | ||||||||
7515 | ToTemporaryExpr = cast<Expr>(ToMaterializedDecl->getTemporaryExpr()); | ||||||||
7516 | |||||||||
7517 | auto *ToMTE = new (Importer.getToContext()) MaterializeTemporaryExpr( | ||||||||
7518 | ToType, ToTemporaryExpr, E->isBoundToLvalueReference(), | ||||||||
7519 | ToMaterializedDecl); | ||||||||
7520 | |||||||||
7521 | return ToMTE; | ||||||||
7522 | } | ||||||||
7523 | |||||||||
7524 | ExpectedStmt ASTNodeImporter::VisitPackExpansionExpr(PackExpansionExpr *E) { | ||||||||
7525 | Error Err = Error::success(); | ||||||||
7526 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7527 | auto ToPattern = importChecked(Err, E->getPattern()); | ||||||||
7528 | auto ToEllipsisLoc = importChecked(Err, E->getEllipsisLoc()); | ||||||||
7529 | if (Err) | ||||||||
7530 | return std::move(Err); | ||||||||
7531 | |||||||||
7532 | return new (Importer.getToContext()) PackExpansionExpr( | ||||||||
7533 | ToType, ToPattern, ToEllipsisLoc, E->getNumExpansions()); | ||||||||
7534 | } | ||||||||
7535 | |||||||||
7536 | ExpectedStmt ASTNodeImporter::VisitSizeOfPackExpr(SizeOfPackExpr *E) { | ||||||||
7537 | Error Err = Error::success(); | ||||||||
7538 | auto ToOperatorLoc = importChecked(Err, E->getOperatorLoc()); | ||||||||
7539 | auto ToPack = importChecked(Err, E->getPack()); | ||||||||
7540 | auto ToPackLoc = importChecked(Err, E->getPackLoc()); | ||||||||
7541 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
7542 | if (Err) | ||||||||
7543 | return std::move(Err); | ||||||||
7544 | |||||||||
7545 | Optional<unsigned> Length; | ||||||||
7546 | if (!E->isValueDependent()) | ||||||||
7547 | Length = E->getPackLength(); | ||||||||
7548 | |||||||||
7549 | SmallVector<TemplateArgument, 8> ToPartialArguments; | ||||||||
7550 | if (E->isPartiallySubstituted()) { | ||||||||
7551 | if (Error Err = ImportTemplateArguments( | ||||||||
7552 | E->getPartialArguments().data(), | ||||||||
7553 | E->getPartialArguments().size(), | ||||||||
7554 | ToPartialArguments)) | ||||||||
7555 | return std::move(Err); | ||||||||
7556 | } | ||||||||
7557 | |||||||||
7558 | return SizeOfPackExpr::Create( | ||||||||
7559 | Importer.getToContext(), ToOperatorLoc, ToPack, ToPackLoc, ToRParenLoc, | ||||||||
7560 | Length, ToPartialArguments); | ||||||||
7561 | } | ||||||||
7562 | |||||||||
7563 | |||||||||
7564 | ExpectedStmt ASTNodeImporter::VisitCXXNewExpr(CXXNewExpr *E) { | ||||||||
7565 | Error Err = Error::success(); | ||||||||
7566 | auto ToOperatorNew = importChecked(Err, E->getOperatorNew()); | ||||||||
7567 | auto ToOperatorDelete = importChecked(Err, E->getOperatorDelete()); | ||||||||
7568 | auto ToTypeIdParens = importChecked(Err, E->getTypeIdParens()); | ||||||||
7569 | auto ToArraySize = importChecked(Err, E->getArraySize()); | ||||||||
7570 | auto ToInitializer = importChecked(Err, E->getInitializer()); | ||||||||
7571 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7572 | auto ToAllocatedTypeSourceInfo = | ||||||||
7573 | importChecked(Err, E->getAllocatedTypeSourceInfo()); | ||||||||
7574 | auto ToSourceRange = importChecked(Err, E->getSourceRange()); | ||||||||
7575 | auto ToDirectInitRange = importChecked(Err, E->getDirectInitRange()); | ||||||||
7576 | if (Err) | ||||||||
7577 | return std::move(Err); | ||||||||
7578 | |||||||||
7579 | SmallVector<Expr *, 4> ToPlacementArgs(E->getNumPlacementArgs()); | ||||||||
7580 | if (Error Err = | ||||||||
7581 | ImportContainerChecked(E->placement_arguments(), ToPlacementArgs)) | ||||||||
7582 | return std::move(Err); | ||||||||
7583 | |||||||||
7584 | return CXXNewExpr::Create( | ||||||||
7585 | Importer.getToContext(), E->isGlobalNew(), ToOperatorNew, | ||||||||
7586 | ToOperatorDelete, E->passAlignment(), E->doesUsualArrayDeleteWantSize(), | ||||||||
7587 | ToPlacementArgs, ToTypeIdParens, ToArraySize, E->getInitializationStyle(), | ||||||||
7588 | ToInitializer, ToType, ToAllocatedTypeSourceInfo, ToSourceRange, | ||||||||
7589 | ToDirectInitRange); | ||||||||
7590 | } | ||||||||
7591 | |||||||||
7592 | ExpectedStmt ASTNodeImporter::VisitCXXDeleteExpr(CXXDeleteExpr *E) { | ||||||||
7593 | Error Err = Error::success(); | ||||||||
7594 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7595 | auto ToOperatorDelete = importChecked(Err, E->getOperatorDelete()); | ||||||||
7596 | auto ToArgument = importChecked(Err, E->getArgument()); | ||||||||
7597 | auto ToBeginLoc = importChecked(Err, E->getBeginLoc()); | ||||||||
7598 | if (Err) | ||||||||
7599 | return std::move(Err); | ||||||||
7600 | |||||||||
7601 | return new (Importer.getToContext()) CXXDeleteExpr( | ||||||||
7602 | ToType, E->isGlobalDelete(), E->isArrayForm(), E->isArrayFormAsWritten(), | ||||||||
7603 | E->doesUsualArrayDeleteWantSize(), ToOperatorDelete, ToArgument, | ||||||||
7604 | ToBeginLoc); | ||||||||
7605 | } | ||||||||
7606 | |||||||||
7607 | ExpectedStmt ASTNodeImporter::VisitCXXConstructExpr(CXXConstructExpr *E) { | ||||||||
7608 | Error Err = Error::success(); | ||||||||
7609 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7610 | auto ToLocation = importChecked(Err, E->getLocation()); | ||||||||
7611 | auto ToConstructor = importChecked(Err, E->getConstructor()); | ||||||||
7612 | auto ToParenOrBraceRange = importChecked(Err, E->getParenOrBraceRange()); | ||||||||
7613 | if (Err) | ||||||||
7614 | return std::move(Err); | ||||||||
7615 | |||||||||
7616 | SmallVector<Expr *, 6> ToArgs(E->getNumArgs()); | ||||||||
7617 | if (Error Err = ImportContainerChecked(E->arguments(), ToArgs)) | ||||||||
7618 | return std::move(Err); | ||||||||
7619 | |||||||||
7620 | return CXXConstructExpr::Create( | ||||||||
7621 | Importer.getToContext(), ToType, ToLocation, ToConstructor, | ||||||||
7622 | E->isElidable(), ToArgs, E->hadMultipleCandidates(), | ||||||||
7623 | E->isListInitialization(), E->isStdInitListInitialization(), | ||||||||
7624 | E->requiresZeroInitialization(), E->getConstructionKind(), | ||||||||
7625 | ToParenOrBraceRange); | ||||||||
7626 | } | ||||||||
7627 | |||||||||
7628 | ExpectedStmt ASTNodeImporter::VisitExprWithCleanups(ExprWithCleanups *E) { | ||||||||
7629 | ExpectedExpr ToSubExprOrErr = import(E->getSubExpr()); | ||||||||
7630 | if (!ToSubExprOrErr) | ||||||||
7631 | return ToSubExprOrErr.takeError(); | ||||||||
7632 | |||||||||
7633 | SmallVector<ExprWithCleanups::CleanupObject, 8> ToObjects(E->getNumObjects()); | ||||||||
7634 | if (Error Err = ImportContainerChecked(E->getObjects(), ToObjects)) | ||||||||
7635 | return std::move(Err); | ||||||||
7636 | |||||||||
7637 | return ExprWithCleanups::Create( | ||||||||
7638 | Importer.getToContext(), *ToSubExprOrErr, E->cleanupsHaveSideEffects(), | ||||||||
7639 | ToObjects); | ||||||||
7640 | } | ||||||||
7641 | |||||||||
7642 | ExpectedStmt ASTNodeImporter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) { | ||||||||
7643 | Error Err = Error::success(); | ||||||||
7644 | auto ToCallee = importChecked(Err, E->getCallee()); | ||||||||
7645 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7646 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
7647 | if (Err) | ||||||||
7648 | return std::move(Err); | ||||||||
7649 | |||||||||
7650 | SmallVector<Expr *, 4> ToArgs(E->getNumArgs()); | ||||||||
7651 | if (Error Err = ImportContainerChecked(E->arguments(), ToArgs)) | ||||||||
7652 | return std::move(Err); | ||||||||
7653 | |||||||||
7654 | return CXXMemberCallExpr::Create(Importer.getToContext(), ToCallee, ToArgs, | ||||||||
7655 | ToType, E->getValueKind(), ToRParenLoc, | ||||||||
7656 | E->getFPFeatures()); | ||||||||
7657 | } | ||||||||
7658 | |||||||||
7659 | ExpectedStmt ASTNodeImporter::VisitCXXThisExpr(CXXThisExpr *E) { | ||||||||
7660 | ExpectedType ToTypeOrErr = import(E->getType()); | ||||||||
7661 | if (!ToTypeOrErr) | ||||||||
7662 | return ToTypeOrErr.takeError(); | ||||||||
7663 | |||||||||
7664 | ExpectedSLoc ToLocationOrErr = import(E->getLocation()); | ||||||||
7665 | if (!ToLocationOrErr) | ||||||||
7666 | return ToLocationOrErr.takeError(); | ||||||||
7667 | |||||||||
7668 | return new (Importer.getToContext()) CXXThisExpr( | ||||||||
7669 | *ToLocationOrErr, *ToTypeOrErr, E->isImplicit()); | ||||||||
7670 | } | ||||||||
7671 | |||||||||
7672 | ExpectedStmt ASTNodeImporter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) { | ||||||||
7673 | ExpectedType ToTypeOrErr = import(E->getType()); | ||||||||
7674 | if (!ToTypeOrErr) | ||||||||
7675 | return ToTypeOrErr.takeError(); | ||||||||
7676 | |||||||||
7677 | ExpectedSLoc ToLocationOrErr = import(E->getLocation()); | ||||||||
7678 | if (!ToLocationOrErr) | ||||||||
7679 | return ToLocationOrErr.takeError(); | ||||||||
7680 | |||||||||
7681 | return new (Importer.getToContext()) CXXBoolLiteralExpr( | ||||||||
7682 | E->getValue(), *ToTypeOrErr, *ToLocationOrErr); | ||||||||
7683 | } | ||||||||
7684 | |||||||||
7685 | ExpectedStmt ASTNodeImporter::VisitMemberExpr(MemberExpr *E) { | ||||||||
7686 | Error Err = Error::success(); | ||||||||
7687 | auto ToBase = importChecked(Err, E->getBase()); | ||||||||
7688 | auto ToOperatorLoc = importChecked(Err, E->getOperatorLoc()); | ||||||||
7689 | auto ToQualifierLoc = importChecked(Err, E->getQualifierLoc()); | ||||||||
7690 | auto ToTemplateKeywordLoc = importChecked(Err, E->getTemplateKeywordLoc()); | ||||||||
7691 | auto ToMemberDecl = importChecked(Err, E->getMemberDecl()); | ||||||||
7692 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7693 | auto ToDecl = importChecked(Err, E->getFoundDecl().getDecl()); | ||||||||
7694 | auto ToName = importChecked(Err, E->getMemberNameInfo().getName()); | ||||||||
7695 | auto ToLoc = importChecked(Err, E->getMemberNameInfo().getLoc()); | ||||||||
7696 | if (Err) | ||||||||
7697 | return std::move(Err); | ||||||||
7698 | |||||||||
7699 | DeclAccessPair ToFoundDecl = | ||||||||
7700 | DeclAccessPair::make(ToDecl, E->getFoundDecl().getAccess()); | ||||||||
7701 | |||||||||
7702 | DeclarationNameInfo ToMemberNameInfo(ToName, ToLoc); | ||||||||
7703 | |||||||||
7704 | TemplateArgumentListInfo ToTAInfo, *ResInfo = nullptr; | ||||||||
7705 | if (E->hasExplicitTemplateArgs()) { | ||||||||
7706 | if (Error Err = | ||||||||
7707 | ImportTemplateArgumentListInfo(E->getLAngleLoc(), E->getRAngleLoc(), | ||||||||
7708 | E->template_arguments(), ToTAInfo)) | ||||||||
7709 | return std::move(Err); | ||||||||
7710 | ResInfo = &ToTAInfo; | ||||||||
7711 | } | ||||||||
7712 | |||||||||
7713 | return MemberExpr::Create(Importer.getToContext(), ToBase, E->isArrow(), | ||||||||
7714 | ToOperatorLoc, ToQualifierLoc, ToTemplateKeywordLoc, | ||||||||
7715 | ToMemberDecl, ToFoundDecl, ToMemberNameInfo, | ||||||||
7716 | ResInfo, ToType, E->getValueKind(), | ||||||||
7717 | E->getObjectKind(), E->isNonOdrUse()); | ||||||||
7718 | } | ||||||||
7719 | |||||||||
7720 | ExpectedStmt | ||||||||
7721 | ASTNodeImporter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) { | ||||||||
7722 | Error Err = Error::success(); | ||||||||
7723 | auto ToBase = importChecked(Err, E->getBase()); | ||||||||
7724 | auto ToOperatorLoc = importChecked(Err, E->getOperatorLoc()); | ||||||||
7725 | auto ToQualifierLoc = importChecked(Err, E->getQualifierLoc()); | ||||||||
7726 | auto ToScopeTypeInfo = importChecked(Err, E->getScopeTypeInfo()); | ||||||||
7727 | auto ToColonColonLoc = importChecked(Err, E->getColonColonLoc()); | ||||||||
7728 | auto ToTildeLoc = importChecked(Err, E->getTildeLoc()); | ||||||||
7729 | if (Err) | ||||||||
7730 | return std::move(Err); | ||||||||
7731 | |||||||||
7732 | PseudoDestructorTypeStorage Storage; | ||||||||
7733 | if (IdentifierInfo *FromII = E->getDestroyedTypeIdentifier()) { | ||||||||
7734 | IdentifierInfo *ToII = Importer.Import(FromII); | ||||||||
7735 | ExpectedSLoc ToDestroyedTypeLocOrErr = import(E->getDestroyedTypeLoc()); | ||||||||
7736 | if (!ToDestroyedTypeLocOrErr) | ||||||||
7737 | return ToDestroyedTypeLocOrErr.takeError(); | ||||||||
7738 | Storage = PseudoDestructorTypeStorage(ToII, *ToDestroyedTypeLocOrErr); | ||||||||
7739 | } else { | ||||||||
7740 | if (auto ToTIOrErr = import(E->getDestroyedTypeInfo())) | ||||||||
7741 | Storage = PseudoDestructorTypeStorage(*ToTIOrErr); | ||||||||
7742 | else | ||||||||
7743 | return ToTIOrErr.takeError(); | ||||||||
7744 | } | ||||||||
7745 | |||||||||
7746 | return new (Importer.getToContext()) CXXPseudoDestructorExpr( | ||||||||
7747 | Importer.getToContext(), ToBase, E->isArrow(), ToOperatorLoc, | ||||||||
7748 | ToQualifierLoc, ToScopeTypeInfo, ToColonColonLoc, ToTildeLoc, Storage); | ||||||||
7749 | } | ||||||||
7750 | |||||||||
7751 | ExpectedStmt ASTNodeImporter::VisitCXXDependentScopeMemberExpr( | ||||||||
7752 | CXXDependentScopeMemberExpr *E) { | ||||||||
7753 | Error Err = Error::success(); | ||||||||
7754 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7755 | auto ToOperatorLoc = importChecked(Err, E->getOperatorLoc()); | ||||||||
7756 | auto ToQualifierLoc = importChecked(Err, E->getQualifierLoc()); | ||||||||
7757 | auto ToTemplateKeywordLoc = importChecked(Err, E->getTemplateKeywordLoc()); | ||||||||
7758 | auto ToFirstQualifierFoundInScope = | ||||||||
7759 | importChecked(Err, E->getFirstQualifierFoundInScope()); | ||||||||
7760 | if (Err) | ||||||||
7761 | return std::move(Err); | ||||||||
7762 | |||||||||
7763 | Expr *ToBase = nullptr; | ||||||||
7764 | if (!E->isImplicitAccess()) { | ||||||||
7765 | if (ExpectedExpr ToBaseOrErr = import(E->getBase())) | ||||||||
7766 | ToBase = *ToBaseOrErr; | ||||||||
7767 | else | ||||||||
7768 | return ToBaseOrErr.takeError(); | ||||||||
7769 | } | ||||||||
7770 | |||||||||
7771 | TemplateArgumentListInfo ToTAInfo, *ResInfo = nullptr; | ||||||||
7772 | |||||||||
7773 | if (E->hasExplicitTemplateArgs()) { | ||||||||
7774 | if (Error Err = | ||||||||
7775 | ImportTemplateArgumentListInfo(E->getLAngleLoc(), E->getRAngleLoc(), | ||||||||
7776 | E->template_arguments(), ToTAInfo)) | ||||||||
7777 | return std::move(Err); | ||||||||
7778 | ResInfo = &ToTAInfo; | ||||||||
7779 | } | ||||||||
7780 | auto ToMember = importChecked(Err, E->getMember()); | ||||||||
7781 | auto ToMemberLoc = importChecked(Err, E->getMemberLoc()); | ||||||||
7782 | if (Err) | ||||||||
7783 | return std::move(Err); | ||||||||
7784 | DeclarationNameInfo ToMemberNameInfo(ToMember, ToMemberLoc); | ||||||||
7785 | |||||||||
7786 | // Import additional name location/type info. | ||||||||
7787 | if (Error Err = | ||||||||
7788 | ImportDeclarationNameLoc(E->getMemberNameInfo(), ToMemberNameInfo)) | ||||||||
7789 | return std::move(Err); | ||||||||
7790 | |||||||||
7791 | return CXXDependentScopeMemberExpr::Create( | ||||||||
7792 | Importer.getToContext(), ToBase, ToType, E->isArrow(), ToOperatorLoc, | ||||||||
7793 | ToQualifierLoc, ToTemplateKeywordLoc, ToFirstQualifierFoundInScope, | ||||||||
7794 | ToMemberNameInfo, ResInfo); | ||||||||
7795 | } | ||||||||
7796 | |||||||||
7797 | ExpectedStmt | ||||||||
7798 | ASTNodeImporter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) { | ||||||||
7799 | Error Err = Error::success(); | ||||||||
7800 | auto ToQualifierLoc = importChecked(Err, E->getQualifierLoc()); | ||||||||
7801 | auto ToTemplateKeywordLoc = importChecked(Err, E->getTemplateKeywordLoc()); | ||||||||
7802 | auto ToDeclName = importChecked(Err, E->getDeclName()); | ||||||||
7803 | auto ToNameLoc = importChecked(Err, E->getNameInfo().getLoc()); | ||||||||
7804 | auto ToLAngleLoc = importChecked(Err, E->getLAngleLoc()); | ||||||||
7805 | auto ToRAngleLoc = importChecked(Err, E->getRAngleLoc()); | ||||||||
7806 | if (Err) | ||||||||
7807 | return std::move(Err); | ||||||||
7808 | |||||||||
7809 | DeclarationNameInfo ToNameInfo(ToDeclName, ToNameLoc); | ||||||||
7810 | if (Error Err = ImportDeclarationNameLoc(E->getNameInfo(), ToNameInfo)) | ||||||||
7811 | return std::move(Err); | ||||||||
7812 | |||||||||
7813 | TemplateArgumentListInfo ToTAInfo(ToLAngleLoc, ToRAngleLoc); | ||||||||
7814 | TemplateArgumentListInfo *ResInfo = nullptr; | ||||||||
7815 | if (E->hasExplicitTemplateArgs()) { | ||||||||
7816 | if (Error Err = | ||||||||
7817 | ImportTemplateArgumentListInfo(E->template_arguments(), ToTAInfo)) | ||||||||
7818 | return std::move(Err); | ||||||||
7819 | ResInfo = &ToTAInfo; | ||||||||
7820 | } | ||||||||
7821 | |||||||||
7822 | return DependentScopeDeclRefExpr::Create( | ||||||||
7823 | Importer.getToContext(), ToQualifierLoc, ToTemplateKeywordLoc, | ||||||||
7824 | ToNameInfo, ResInfo); | ||||||||
7825 | } | ||||||||
7826 | |||||||||
7827 | ExpectedStmt ASTNodeImporter::VisitCXXUnresolvedConstructExpr( | ||||||||
7828 | CXXUnresolvedConstructExpr *E) { | ||||||||
7829 | Error Err = Error::success(); | ||||||||
7830 | auto ToLParenLoc = importChecked(Err, E->getLParenLoc()); | ||||||||
7831 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
7832 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7833 | auto ToTypeSourceInfo = importChecked(Err, E->getTypeSourceInfo()); | ||||||||
7834 | if (Err) | ||||||||
7835 | return std::move(Err); | ||||||||
7836 | |||||||||
7837 | SmallVector<Expr *, 8> ToArgs(E->getNumArgs()); | ||||||||
7838 | if (Error Err = | ||||||||
7839 | ImportArrayChecked(E->arg_begin(), E->arg_end(), ToArgs.begin())) | ||||||||
7840 | return std::move(Err); | ||||||||
7841 | |||||||||
7842 | return CXXUnresolvedConstructExpr::Create( | ||||||||
7843 | Importer.getToContext(), ToType, ToTypeSourceInfo, ToLParenLoc, | ||||||||
7844 | llvm::makeArrayRef(ToArgs), ToRParenLoc); | ||||||||
7845 | } | ||||||||
7846 | |||||||||
7847 | ExpectedStmt | ||||||||
7848 | ASTNodeImporter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { | ||||||||
7849 | Expected<CXXRecordDecl *> ToNamingClassOrErr = import(E->getNamingClass()); | ||||||||
7850 | if (!ToNamingClassOrErr) | ||||||||
7851 | return ToNamingClassOrErr.takeError(); | ||||||||
7852 | |||||||||
7853 | auto ToQualifierLocOrErr = import(E->getQualifierLoc()); | ||||||||
7854 | if (!ToQualifierLocOrErr) | ||||||||
7855 | return ToQualifierLocOrErr.takeError(); | ||||||||
7856 | |||||||||
7857 | Error Err = Error::success(); | ||||||||
7858 | auto ToName = importChecked(Err, E->getName()); | ||||||||
7859 | auto ToNameLoc = importChecked(Err, E->getNameLoc()); | ||||||||
7860 | if (Err) | ||||||||
7861 | return std::move(Err); | ||||||||
7862 | DeclarationNameInfo ToNameInfo(ToName, ToNameLoc); | ||||||||
7863 | |||||||||
7864 | // Import additional name location/type info. | ||||||||
7865 | if (Error Err = ImportDeclarationNameLoc(E->getNameInfo(), ToNameInfo)) | ||||||||
7866 | return std::move(Err); | ||||||||
7867 | |||||||||
7868 | UnresolvedSet<8> ToDecls; | ||||||||
7869 | for (auto *D : E->decls()) | ||||||||
7870 | if (auto ToDOrErr = import(D)) | ||||||||
7871 | ToDecls.addDecl(cast<NamedDecl>(*ToDOrErr)); | ||||||||
7872 | else | ||||||||
7873 | return ToDOrErr.takeError(); | ||||||||
7874 | |||||||||
7875 | if (E->hasExplicitTemplateArgs()) { | ||||||||
7876 | TemplateArgumentListInfo ToTAInfo; | ||||||||
7877 | if (Error Err = ImportTemplateArgumentListInfo( | ||||||||
7878 | E->getLAngleLoc(), E->getRAngleLoc(), E->template_arguments(), | ||||||||
7879 | ToTAInfo)) | ||||||||
7880 | return std::move(Err); | ||||||||
7881 | |||||||||
7882 | ExpectedSLoc ToTemplateKeywordLocOrErr = import(E->getTemplateKeywordLoc()); | ||||||||
7883 | if (!ToTemplateKeywordLocOrErr) | ||||||||
7884 | return ToTemplateKeywordLocOrErr.takeError(); | ||||||||
7885 | |||||||||
7886 | return UnresolvedLookupExpr::Create( | ||||||||
7887 | Importer.getToContext(), *ToNamingClassOrErr, *ToQualifierLocOrErr, | ||||||||
7888 | *ToTemplateKeywordLocOrErr, ToNameInfo, E->requiresADL(), &ToTAInfo, | ||||||||
7889 | ToDecls.begin(), ToDecls.end()); | ||||||||
7890 | } | ||||||||
7891 | |||||||||
7892 | return UnresolvedLookupExpr::Create( | ||||||||
7893 | Importer.getToContext(), *ToNamingClassOrErr, *ToQualifierLocOrErr, | ||||||||
7894 | ToNameInfo, E->requiresADL(), E->isOverloaded(), ToDecls.begin(), | ||||||||
7895 | ToDecls.end()); | ||||||||
7896 | } | ||||||||
7897 | |||||||||
7898 | ExpectedStmt | ||||||||
7899 | ASTNodeImporter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { | ||||||||
7900 | Error Err = Error::success(); | ||||||||
7901 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7902 | auto ToOperatorLoc = importChecked(Err, E->getOperatorLoc()); | ||||||||
7903 | auto ToQualifierLoc = importChecked(Err, E->getQualifierLoc()); | ||||||||
7904 | auto ToTemplateKeywordLoc = importChecked(Err, E->getTemplateKeywordLoc()); | ||||||||
7905 | auto ToName = importChecked(Err, E->getName()); | ||||||||
7906 | auto ToNameLoc = importChecked(Err, E->getNameLoc()); | ||||||||
7907 | if (Err) | ||||||||
7908 | return std::move(Err); | ||||||||
7909 | |||||||||
7910 | DeclarationNameInfo ToNameInfo(ToName, ToNameLoc); | ||||||||
7911 | // Import additional name location/type info. | ||||||||
7912 | if (Error Err = ImportDeclarationNameLoc(E->getNameInfo(), ToNameInfo)) | ||||||||
7913 | return std::move(Err); | ||||||||
7914 | |||||||||
7915 | UnresolvedSet<8> ToDecls; | ||||||||
7916 | for (Decl *D : E->decls()) | ||||||||
7917 | if (auto ToDOrErr = import(D)) | ||||||||
7918 | ToDecls.addDecl(cast<NamedDecl>(*ToDOrErr)); | ||||||||
7919 | else | ||||||||
7920 | return ToDOrErr.takeError(); | ||||||||
7921 | |||||||||
7922 | TemplateArgumentListInfo ToTAInfo; | ||||||||
7923 | TemplateArgumentListInfo *ResInfo = nullptr; | ||||||||
7924 | if (E->hasExplicitTemplateArgs()) { | ||||||||
7925 | TemplateArgumentListInfo FromTAInfo; | ||||||||
7926 | E->copyTemplateArgumentsInto(FromTAInfo); | ||||||||
7927 | if (Error Err = ImportTemplateArgumentListInfo(FromTAInfo, ToTAInfo)) | ||||||||
7928 | return std::move(Err); | ||||||||
7929 | ResInfo = &ToTAInfo; | ||||||||
7930 | } | ||||||||
7931 | |||||||||
7932 | Expr *ToBase = nullptr; | ||||||||
7933 | if (!E->isImplicitAccess()) { | ||||||||
7934 | if (ExpectedExpr ToBaseOrErr = import(E->getBase())) | ||||||||
7935 | ToBase = *ToBaseOrErr; | ||||||||
7936 | else | ||||||||
7937 | return ToBaseOrErr.takeError(); | ||||||||
7938 | } | ||||||||
7939 | |||||||||
7940 | return UnresolvedMemberExpr::Create( | ||||||||
7941 | Importer.getToContext(), E->hasUnresolvedUsing(), ToBase, ToType, | ||||||||
7942 | E->isArrow(), ToOperatorLoc, ToQualifierLoc, ToTemplateKeywordLoc, | ||||||||
7943 | ToNameInfo, ResInfo, ToDecls.begin(), ToDecls.end()); | ||||||||
7944 | } | ||||||||
7945 | |||||||||
7946 | ExpectedStmt ASTNodeImporter::VisitCallExpr(CallExpr *E) { | ||||||||
7947 | Error Err = Error::success(); | ||||||||
7948 | auto ToCallee = importChecked(Err, E->getCallee()); | ||||||||
7949 | auto ToType = importChecked(Err, E->getType()); | ||||||||
7950 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
7951 | if (Err) | ||||||||
7952 | return std::move(Err); | ||||||||
7953 | |||||||||
7954 | unsigned NumArgs = E->getNumArgs(); | ||||||||
7955 | llvm::SmallVector<Expr *, 2> ToArgs(NumArgs); | ||||||||
7956 | if (Error Err = ImportContainerChecked(E->arguments(), ToArgs)) | ||||||||
7957 | return std::move(Err); | ||||||||
7958 | |||||||||
7959 | if (const auto *OCE = dyn_cast<CXXOperatorCallExpr>(E)) { | ||||||||
7960 | return CXXOperatorCallExpr::Create( | ||||||||
7961 | Importer.getToContext(), OCE->getOperator(), ToCallee, ToArgs, ToType, | ||||||||
7962 | OCE->getValueKind(), ToRParenLoc, OCE->getFPFeatures(), | ||||||||
7963 | OCE->getADLCallKind()); | ||||||||
7964 | } | ||||||||
7965 | |||||||||
7966 | return CallExpr::Create(Importer.getToContext(), ToCallee, ToArgs, ToType, | ||||||||
7967 | E->getValueKind(), ToRParenLoc, E->getFPFeatures(), | ||||||||
7968 | /*MinNumArgs=*/0, E->getADLCallKind()); | ||||||||
7969 | } | ||||||||
7970 | |||||||||
7971 | ExpectedStmt ASTNodeImporter::VisitLambdaExpr(LambdaExpr *E) { | ||||||||
7972 | CXXRecordDecl *FromClass = E->getLambdaClass(); | ||||||||
7973 | auto ToClassOrErr = import(FromClass); | ||||||||
7974 | if (!ToClassOrErr) | ||||||||
7975 | return ToClassOrErr.takeError(); | ||||||||
7976 | CXXRecordDecl *ToClass = *ToClassOrErr; | ||||||||
7977 | |||||||||
7978 | auto ToCallOpOrErr = import(E->getCallOperator()); | ||||||||
7979 | if (!ToCallOpOrErr) | ||||||||
7980 | return ToCallOpOrErr.takeError(); | ||||||||
7981 | |||||||||
7982 | SmallVector<Expr *, 8> ToCaptureInits(E->capture_size()); | ||||||||
7983 | if (Error Err = ImportContainerChecked(E->capture_inits(), ToCaptureInits)) | ||||||||
7984 | return std::move(Err); | ||||||||
7985 | |||||||||
7986 | Error Err = Error::success(); | ||||||||
7987 | auto ToIntroducerRange = importChecked(Err, E->getIntroducerRange()); | ||||||||
7988 | auto ToCaptureDefaultLoc = importChecked(Err, E->getCaptureDefaultLoc()); | ||||||||
7989 | auto ToEndLoc = importChecked(Err, E->getEndLoc()); | ||||||||
7990 | if (Err) | ||||||||
7991 | return std::move(Err); | ||||||||
7992 | |||||||||
7993 | return LambdaExpr::Create(Importer.getToContext(), ToClass, ToIntroducerRange, | ||||||||
7994 | E->getCaptureDefault(), ToCaptureDefaultLoc, | ||||||||
7995 | E->hasExplicitParameters(), | ||||||||
7996 | E->hasExplicitResultType(), ToCaptureInits, | ||||||||
7997 | ToEndLoc, E->containsUnexpandedParameterPack()); | ||||||||
7998 | } | ||||||||
7999 | |||||||||
8000 | |||||||||
8001 | ExpectedStmt ASTNodeImporter::VisitInitListExpr(InitListExpr *E) { | ||||||||
8002 | Error Err = Error::success(); | ||||||||
8003 | auto ToLBraceLoc = importChecked(Err, E->getLBraceLoc()); | ||||||||
8004 | auto ToRBraceLoc = importChecked(Err, E->getRBraceLoc()); | ||||||||
8005 | auto ToType = importChecked(Err, E->getType()); | ||||||||
8006 | if (Err) | ||||||||
8007 | return std::move(Err); | ||||||||
8008 | |||||||||
8009 | SmallVector<Expr *, 4> ToExprs(E->getNumInits()); | ||||||||
8010 | if (Error Err = ImportContainerChecked(E->inits(), ToExprs)) | ||||||||
8011 | return std::move(Err); | ||||||||
8012 | |||||||||
8013 | ASTContext &ToCtx = Importer.getToContext(); | ||||||||
8014 | InitListExpr *To = new (ToCtx) InitListExpr( | ||||||||
8015 | ToCtx, ToLBraceLoc, ToExprs, ToRBraceLoc); | ||||||||
8016 | To->setType(ToType); | ||||||||
8017 | |||||||||
8018 | if (E->hasArrayFiller()) { | ||||||||
8019 | if (ExpectedExpr ToFillerOrErr = import(E->getArrayFiller())) | ||||||||
8020 | To->setArrayFiller(*ToFillerOrErr); | ||||||||
8021 | else | ||||||||
8022 | return ToFillerOrErr.takeError(); | ||||||||
8023 | } | ||||||||
8024 | |||||||||
8025 | if (FieldDecl *FromFD = E->getInitializedFieldInUnion()) { | ||||||||
8026 | if (auto ToFDOrErr = import(FromFD)) | ||||||||
8027 | To->setInitializedFieldInUnion(*ToFDOrErr); | ||||||||
8028 | else | ||||||||
8029 | return ToFDOrErr.takeError(); | ||||||||
8030 | } | ||||||||
8031 | |||||||||
8032 | if (InitListExpr *SyntForm = E->getSyntacticForm()) { | ||||||||
8033 | if (auto ToSyntFormOrErr = import(SyntForm)) | ||||||||
8034 | To->setSyntacticForm(*ToSyntFormOrErr); | ||||||||
8035 | else | ||||||||
8036 | return ToSyntFormOrErr.takeError(); | ||||||||
8037 | } | ||||||||
8038 | |||||||||
8039 | // Copy InitListExprBitfields, which are not handled in the ctor of | ||||||||
8040 | // InitListExpr. | ||||||||
8041 | To->sawArrayRangeDesignator(E->hadArrayRangeDesignator()); | ||||||||
8042 | |||||||||
8043 | return To; | ||||||||
8044 | } | ||||||||
8045 | |||||||||
8046 | ExpectedStmt ASTNodeImporter::VisitCXXStdInitializerListExpr( | ||||||||
8047 | CXXStdInitializerListExpr *E) { | ||||||||
8048 | ExpectedType ToTypeOrErr = import(E->getType()); | ||||||||
8049 | if (!ToTypeOrErr) | ||||||||
8050 | return ToTypeOrErr.takeError(); | ||||||||
8051 | |||||||||
8052 | ExpectedExpr ToSubExprOrErr = import(E->getSubExpr()); | ||||||||
8053 | if (!ToSubExprOrErr) | ||||||||
8054 | return ToSubExprOrErr.takeError(); | ||||||||
8055 | |||||||||
8056 | return new (Importer.getToContext()) CXXStdInitializerListExpr( | ||||||||
8057 | *ToTypeOrErr, *ToSubExprOrErr); | ||||||||
8058 | } | ||||||||
8059 | |||||||||
8060 | ExpectedStmt ASTNodeImporter::VisitCXXInheritedCtorInitExpr( | ||||||||
8061 | CXXInheritedCtorInitExpr *E) { | ||||||||
8062 | Error Err = Error::success(); | ||||||||
8063 | auto ToLocation = importChecked(Err, E->getLocation()); | ||||||||
8064 | auto ToType = importChecked(Err, E->getType()); | ||||||||
8065 | auto ToConstructor = importChecked(Err, E->getConstructor()); | ||||||||
8066 | if (Err) | ||||||||
8067 | return std::move(Err); | ||||||||
8068 | |||||||||
8069 | return new (Importer.getToContext()) CXXInheritedCtorInitExpr( | ||||||||
8070 | ToLocation, ToType, ToConstructor, E->constructsVBase(), | ||||||||
8071 | E->inheritedFromVBase()); | ||||||||
8072 | } | ||||||||
8073 | |||||||||
8074 | ExpectedStmt ASTNodeImporter::VisitArrayInitLoopExpr(ArrayInitLoopExpr *E) { | ||||||||
8075 | Error Err = Error::success(); | ||||||||
8076 | auto ToType = importChecked(Err, E->getType()); | ||||||||
8077 | auto ToCommonExpr = importChecked(Err, E->getCommonExpr()); | ||||||||
8078 | auto ToSubExpr = importChecked(Err, E->getSubExpr()); | ||||||||
8079 | if (Err) | ||||||||
8080 | return std::move(Err); | ||||||||
8081 | |||||||||
8082 | return new (Importer.getToContext()) ArrayInitLoopExpr( | ||||||||
8083 | ToType, ToCommonExpr, ToSubExpr); | ||||||||
8084 | } | ||||||||
8085 | |||||||||
8086 | ExpectedStmt ASTNodeImporter::VisitArrayInitIndexExpr(ArrayInitIndexExpr *E) { | ||||||||
8087 | ExpectedType ToTypeOrErr = import(E->getType()); | ||||||||
8088 | if (!ToTypeOrErr) | ||||||||
8089 | return ToTypeOrErr.takeError(); | ||||||||
8090 | return new (Importer.getToContext()) ArrayInitIndexExpr(*ToTypeOrErr); | ||||||||
8091 | } | ||||||||
8092 | |||||||||
8093 | ExpectedStmt ASTNodeImporter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) { | ||||||||
8094 | ExpectedSLoc ToBeginLocOrErr = import(E->getBeginLoc()); | ||||||||
8095 | if (!ToBeginLocOrErr) | ||||||||
8096 | return ToBeginLocOrErr.takeError(); | ||||||||
8097 | |||||||||
8098 | auto ToFieldOrErr = import(E->getField()); | ||||||||
8099 | if (!ToFieldOrErr) | ||||||||
8100 | return ToFieldOrErr.takeError(); | ||||||||
8101 | |||||||||
8102 | auto UsedContextOrErr = Importer.ImportContext(E->getUsedContext()); | ||||||||
8103 | if (!UsedContextOrErr) | ||||||||
8104 | return UsedContextOrErr.takeError(); | ||||||||
8105 | |||||||||
8106 | return CXXDefaultInitExpr::Create( | ||||||||
8107 | Importer.getToContext(), *ToBeginLocOrErr, *ToFieldOrErr, *UsedContextOrErr); | ||||||||
8108 | } | ||||||||
8109 | |||||||||
8110 | ExpectedStmt ASTNodeImporter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) { | ||||||||
8111 | Error Err = Error::success(); | ||||||||
8112 | auto ToType = importChecked(Err, E->getType()); | ||||||||
8113 | auto ToSubExpr = importChecked(Err, E->getSubExpr()); | ||||||||
8114 | auto ToTypeInfoAsWritten = importChecked(Err, E->getTypeInfoAsWritten()); | ||||||||
8115 | auto ToOperatorLoc = importChecked(Err, E->getOperatorLoc()); | ||||||||
8116 | auto ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
8117 | auto ToAngleBrackets = importChecked(Err, E->getAngleBrackets()); | ||||||||
8118 | if (Err) | ||||||||
8119 | return std::move(Err); | ||||||||
8120 | |||||||||
8121 | ExprValueKind VK = E->getValueKind(); | ||||||||
8122 | CastKind CK = E->getCastKind(); | ||||||||
8123 | auto ToBasePathOrErr = ImportCastPath(E); | ||||||||
8124 | if (!ToBasePathOrErr) | ||||||||
8125 | return ToBasePathOrErr.takeError(); | ||||||||
8126 | |||||||||
8127 | if (auto CCE = dyn_cast<CXXStaticCastExpr>(E)) { | ||||||||
8128 | return CXXStaticCastExpr::Create( | ||||||||
8129 | Importer.getToContext(), ToType, VK, CK, ToSubExpr, &(*ToBasePathOrErr), | ||||||||
8130 | ToTypeInfoAsWritten, CCE->getFPFeatures(), ToOperatorLoc, ToRParenLoc, | ||||||||
8131 | ToAngleBrackets); | ||||||||
8132 | } else if (isa<CXXDynamicCastExpr>(E)) { | ||||||||
8133 | return CXXDynamicCastExpr::Create( | ||||||||
8134 | Importer.getToContext(), ToType, VK, CK, ToSubExpr, &(*ToBasePathOrErr), | ||||||||
8135 | ToTypeInfoAsWritten, ToOperatorLoc, ToRParenLoc, ToAngleBrackets); | ||||||||
8136 | } else if (isa<CXXReinterpretCastExpr>(E)) { | ||||||||
8137 | return CXXReinterpretCastExpr::Create( | ||||||||
8138 | Importer.getToContext(), ToType, VK, CK, ToSubExpr, &(*ToBasePathOrErr), | ||||||||
8139 | ToTypeInfoAsWritten, ToOperatorLoc, ToRParenLoc, ToAngleBrackets); | ||||||||
8140 | } else if (isa<CXXConstCastExpr>(E)) { | ||||||||
8141 | return CXXConstCastExpr::Create( | ||||||||
8142 | Importer.getToContext(), ToType, VK, ToSubExpr, ToTypeInfoAsWritten, | ||||||||
8143 | ToOperatorLoc, ToRParenLoc, ToAngleBrackets); | ||||||||
8144 | } else { | ||||||||
8145 | llvm_unreachable("Unknown cast type")::llvm::llvm_unreachable_internal("Unknown cast type", "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 8145); | ||||||||
8146 | return make_error<ImportError>(); | ||||||||
8147 | } | ||||||||
8148 | } | ||||||||
8149 | |||||||||
8150 | ExpectedStmt ASTNodeImporter::VisitSubstNonTypeTemplateParmExpr( | ||||||||
8151 | SubstNonTypeTemplateParmExpr *E) { | ||||||||
8152 | Error Err = Error::success(); | ||||||||
8153 | auto ToType = importChecked(Err, E->getType()); | ||||||||
8154 | auto ToExprLoc = importChecked(Err, E->getExprLoc()); | ||||||||
8155 | auto ToParameter = importChecked(Err, E->getParameter()); | ||||||||
8156 | auto ToReplacement = importChecked(Err, E->getReplacement()); | ||||||||
8157 | if (Err) | ||||||||
8158 | return std::move(Err); | ||||||||
8159 | |||||||||
8160 | return new (Importer.getToContext()) SubstNonTypeTemplateParmExpr( | ||||||||
8161 | ToType, E->getValueKind(), ToExprLoc, ToParameter, | ||||||||
8162 | E->isReferenceParameter(), ToReplacement); | ||||||||
8163 | } | ||||||||
8164 | |||||||||
8165 | ExpectedStmt ASTNodeImporter::VisitTypeTraitExpr(TypeTraitExpr *E) { | ||||||||
8166 | Error Err = Error::success(); | ||||||||
8167 | auto ToType = importChecked(Err, E->getType()); | ||||||||
8168 | auto ToBeginLoc = importChecked(Err, E->getBeginLoc()); | ||||||||
8169 | auto ToEndLoc = importChecked(Err, E->getEndLoc()); | ||||||||
8170 | if (Err) | ||||||||
8171 | return std::move(Err); | ||||||||
8172 | |||||||||
8173 | SmallVector<TypeSourceInfo *, 4> ToArgs(E->getNumArgs()); | ||||||||
8174 | if (Error Err = ImportContainerChecked(E->getArgs(), ToArgs)) | ||||||||
8175 | return std::move(Err); | ||||||||
8176 | |||||||||
8177 | // According to Sema::BuildTypeTrait(), if E is value-dependent, | ||||||||
8178 | // Value is always false. | ||||||||
8179 | bool ToValue = (E->isValueDependent() ? false : E->getValue()); | ||||||||
8180 | |||||||||
8181 | return TypeTraitExpr::Create( | ||||||||
8182 | Importer.getToContext(), ToType, ToBeginLoc, E->getTrait(), ToArgs, | ||||||||
8183 | ToEndLoc, ToValue); | ||||||||
8184 | } | ||||||||
8185 | |||||||||
8186 | ExpectedStmt ASTNodeImporter::VisitCXXTypeidExpr(CXXTypeidExpr *E) { | ||||||||
8187 | ExpectedType ToTypeOrErr = import(E->getType()); | ||||||||
8188 | if (!ToTypeOrErr) | ||||||||
8189 | return ToTypeOrErr.takeError(); | ||||||||
8190 | |||||||||
8191 | auto ToSourceRangeOrErr = import(E->getSourceRange()); | ||||||||
8192 | if (!ToSourceRangeOrErr) | ||||||||
8193 | return ToSourceRangeOrErr.takeError(); | ||||||||
8194 | |||||||||
8195 | if (E->isTypeOperand()) { | ||||||||
8196 | if (auto ToTSIOrErr = import(E->getTypeOperandSourceInfo())) | ||||||||
8197 | return new (Importer.getToContext()) CXXTypeidExpr( | ||||||||
8198 | *ToTypeOrErr, *ToTSIOrErr, *ToSourceRangeOrErr); | ||||||||
8199 | else | ||||||||
8200 | return ToTSIOrErr.takeError(); | ||||||||
8201 | } | ||||||||
8202 | |||||||||
8203 | ExpectedExpr ToExprOperandOrErr = import(E->getExprOperand()); | ||||||||
8204 | if (!ToExprOperandOrErr) | ||||||||
8205 | return ToExprOperandOrErr.takeError(); | ||||||||
8206 | |||||||||
8207 | return new (Importer.getToContext()) CXXTypeidExpr( | ||||||||
8208 | *ToTypeOrErr, *ToExprOperandOrErr, *ToSourceRangeOrErr); | ||||||||
8209 | } | ||||||||
8210 | |||||||||
8211 | ExpectedStmt ASTNodeImporter::VisitCXXFoldExpr(CXXFoldExpr *E) { | ||||||||
8212 | Error Err = Error::success(); | ||||||||
8213 | |||||||||
8214 | QualType ToType = importChecked(Err, E->getType()); | ||||||||
8215 | UnresolvedLookupExpr *ToCallee = importChecked(Err, E->getCallee()); | ||||||||
8216 | SourceLocation ToLParenLoc = importChecked(Err, E->getLParenLoc()); | ||||||||
8217 | Expr *ToLHS = importChecked(Err, E->getLHS()); | ||||||||
8218 | SourceLocation ToEllipsisLoc = importChecked(Err, E->getEllipsisLoc()); | ||||||||
8219 | Expr *ToRHS = importChecked(Err, E->getRHS()); | ||||||||
8220 | SourceLocation ToRParenLoc = importChecked(Err, E->getRParenLoc()); | ||||||||
8221 | |||||||||
8222 | if (Err) | ||||||||
8223 | return std::move(Err); | ||||||||
8224 | |||||||||
8225 | return new (Importer.getToContext()) | ||||||||
8226 | CXXFoldExpr(ToType, ToCallee, ToLParenLoc, ToLHS, E->getOperator(), | ||||||||
8227 | ToEllipsisLoc, ToRHS, ToRParenLoc, E->getNumExpansions()); | ||||||||
8228 | } | ||||||||
8229 | |||||||||
8230 | Error ASTNodeImporter::ImportOverriddenMethods(CXXMethodDecl *ToMethod, | ||||||||
8231 | CXXMethodDecl *FromMethod) { | ||||||||
8232 | Error ImportErrors = Error::success(); | ||||||||
8233 | for (auto *FromOverriddenMethod : FromMethod->overridden_methods()) { | ||||||||
8234 | if (auto ImportedOrErr = import(FromOverriddenMethod)) | ||||||||
8235 | ToMethod->getCanonicalDecl()->addOverriddenMethod(cast<CXXMethodDecl>( | ||||||||
8236 | (*ImportedOrErr)->getCanonicalDecl())); | ||||||||
8237 | else | ||||||||
8238 | ImportErrors = | ||||||||
8239 | joinErrors(std::move(ImportErrors), ImportedOrErr.takeError()); | ||||||||
8240 | } | ||||||||
8241 | return ImportErrors; | ||||||||
8242 | } | ||||||||
8243 | |||||||||
8244 | ASTImporter::ASTImporter(ASTContext &ToContext, FileManager &ToFileManager, | ||||||||
8245 | ASTContext &FromContext, FileManager &FromFileManager, | ||||||||
8246 | bool MinimalImport, | ||||||||
8247 | std::shared_ptr<ASTImporterSharedState> SharedState) | ||||||||
8248 | : SharedState(SharedState), ToContext(ToContext), FromContext(FromContext), | ||||||||
8249 | ToFileManager(ToFileManager), FromFileManager(FromFileManager), | ||||||||
8250 | Minimal(MinimalImport), ODRHandling(ODRHandlingType::Conservative) { | ||||||||
8251 | |||||||||
8252 | // Create a default state without the lookup table: LLDB case. | ||||||||
8253 | if (!SharedState) { | ||||||||
8254 | this->SharedState = std::make_shared<ASTImporterSharedState>(); | ||||||||
8255 | } | ||||||||
8256 | |||||||||
8257 | ImportedDecls[FromContext.getTranslationUnitDecl()] = | ||||||||
8258 | ToContext.getTranslationUnitDecl(); | ||||||||
8259 | } | ||||||||
8260 | |||||||||
8261 | ASTImporter::~ASTImporter() = default; | ||||||||
8262 | |||||||||
8263 | Optional<unsigned> ASTImporter::getFieldIndex(Decl *F) { | ||||||||
8264 | assert(F && (isa<FieldDecl>(*F) || isa<IndirectFieldDecl>(*F)) &&(static_cast <bool> (F && (isa<FieldDecl> (*F) || isa<IndirectFieldDecl>(*F)) && "Try to get field index for non-field." ) ? void (0) : __assert_fail ("F && (isa<FieldDecl>(*F) || isa<IndirectFieldDecl>(*F)) && \"Try to get field index for non-field.\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 8265, __extension__ __PRETTY_FUNCTION__)) | ||||||||
8265 | "Try to get field index for non-field.")(static_cast <bool> (F && (isa<FieldDecl> (*F) || isa<IndirectFieldDecl>(*F)) && "Try to get field index for non-field." ) ? void (0) : __assert_fail ("F && (isa<FieldDecl>(*F) || isa<IndirectFieldDecl>(*F)) && \"Try to get field index for non-field.\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 8265, __extension__ __PRETTY_FUNCTION__)); | ||||||||
8266 | |||||||||
8267 | auto *Owner = dyn_cast<RecordDecl>(F->getDeclContext()); | ||||||||
8268 | if (!Owner) | ||||||||
8269 | return None; | ||||||||
8270 | |||||||||
8271 | unsigned Index = 0; | ||||||||
8272 | for (const auto *D : Owner->decls()) { | ||||||||
8273 | if (D == F) | ||||||||
8274 | return Index; | ||||||||
8275 | |||||||||
8276 | if (isa<FieldDecl>(*D) || isa<IndirectFieldDecl>(*D)) | ||||||||
8277 | ++Index; | ||||||||
8278 | } | ||||||||
8279 | |||||||||
8280 | llvm_unreachable("Field was not found in its parent context.")::llvm::llvm_unreachable_internal("Field was not found in its parent context." , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 8280); | ||||||||
8281 | |||||||||
8282 | return None; | ||||||||
8283 | } | ||||||||
8284 | |||||||||
8285 | ASTImporter::FoundDeclsTy | ||||||||
8286 | ASTImporter::findDeclsInToCtx(DeclContext *DC, DeclarationName Name) { | ||||||||
8287 | // We search in the redecl context because of transparent contexts. | ||||||||
8288 | // E.g. a simple C language enum is a transparent context: | ||||||||
8289 | // enum E { A, B }; | ||||||||
8290 | // Now if we had a global variable in the TU | ||||||||
8291 | // int A; | ||||||||
8292 | // then the enum constant 'A' and the variable 'A' violates ODR. | ||||||||
8293 | // We can diagnose this only if we search in the redecl context. | ||||||||
8294 | DeclContext *ReDC = DC->getRedeclContext(); | ||||||||
8295 | if (SharedState->getLookupTable()) { | ||||||||
8296 | ASTImporterLookupTable::LookupResult LookupResult = | ||||||||
8297 | SharedState->getLookupTable()->lookup(ReDC, Name); | ||||||||
8298 | return FoundDeclsTy(LookupResult.begin(), LookupResult.end()); | ||||||||
8299 | } else { | ||||||||
8300 | DeclContext::lookup_result NoloadLookupResult = ReDC->noload_lookup(Name); | ||||||||
8301 | FoundDeclsTy Result(NoloadLookupResult.begin(), NoloadLookupResult.end()); | ||||||||
8302 | // We must search by the slow case of localUncachedLookup because that is | ||||||||
8303 | // working even if there is no LookupPtr for the DC. We could use | ||||||||
8304 | // DC::buildLookup() to create the LookupPtr, but that would load external | ||||||||
8305 | // decls again, we must avoid that case. | ||||||||
8306 | // Also, even if we had the LookupPtr, we must find Decls which are not | ||||||||
8307 | // in the LookupPtr, so we need the slow case. | ||||||||
8308 | // These cases are handled in ASTImporterLookupTable, but we cannot use | ||||||||
8309 | // that with LLDB since that traverses through the AST which initiates the | ||||||||
8310 | // load of external decls again via DC::decls(). And again, we must avoid | ||||||||
8311 | // loading external decls during the import. | ||||||||
8312 | if (Result.empty()) | ||||||||
8313 | ReDC->localUncachedLookup(Name, Result); | ||||||||
8314 | return Result; | ||||||||
8315 | } | ||||||||
8316 | } | ||||||||
8317 | |||||||||
8318 | void ASTImporter::AddToLookupTable(Decl *ToD) { | ||||||||
8319 | SharedState->addDeclToLookup(ToD); | ||||||||
8320 | } | ||||||||
8321 | |||||||||
8322 | Expected<Decl *> ASTImporter::ImportImpl(Decl *FromD) { | ||||||||
8323 | // Import the decl using ASTNodeImporter. | ||||||||
8324 | ASTNodeImporter Importer(*this); | ||||||||
8325 | return Importer.Visit(FromD); | ||||||||
8326 | } | ||||||||
8327 | |||||||||
8328 | void ASTImporter::RegisterImportedDecl(Decl *FromD, Decl *ToD) { | ||||||||
8329 | MapImported(FromD, ToD); | ||||||||
8330 | } | ||||||||
8331 | |||||||||
8332 | llvm::Expected<ExprWithCleanups::CleanupObject> | ||||||||
8333 | ASTImporter::Import(ExprWithCleanups::CleanupObject From) { | ||||||||
8334 | if (auto *CLE = From.dyn_cast<CompoundLiteralExpr *>()) { | ||||||||
8335 | if (Expected<Expr *> R = Import(CLE)) | ||||||||
8336 | return ExprWithCleanups::CleanupObject(cast<CompoundLiteralExpr>(*R)); | ||||||||
8337 | } | ||||||||
8338 | |||||||||
8339 | // FIXME: Handle BlockDecl when we implement importing BlockExpr in | ||||||||
8340 | // ASTNodeImporter. | ||||||||
8341 | return make_error<ImportError>(ImportError::UnsupportedConstruct); | ||||||||
8342 | } | ||||||||
8343 | |||||||||
8344 | Expected<const Type *> ASTImporter::Import(const Type *FromT) { | ||||||||
8345 | if (!FromT) | ||||||||
8346 | return FromT; | ||||||||
8347 | |||||||||
8348 | // Check whether we've already imported this type. | ||||||||
8349 | llvm::DenseMap<const Type *, const Type *>::iterator Pos = | ||||||||
8350 | ImportedTypes.find(FromT); | ||||||||
8351 | if (Pos != ImportedTypes.end()) | ||||||||
8352 | return Pos->second; | ||||||||
8353 | |||||||||
8354 | // Import the type | ||||||||
8355 | ASTNodeImporter Importer(*this); | ||||||||
8356 | ExpectedType ToTOrErr = Importer.Visit(FromT); | ||||||||
8357 | if (!ToTOrErr) | ||||||||
8358 | return ToTOrErr.takeError(); | ||||||||
8359 | |||||||||
8360 | // Record the imported type. | ||||||||
8361 | ImportedTypes[FromT] = ToTOrErr->getTypePtr(); | ||||||||
8362 | |||||||||
8363 | return ToTOrErr->getTypePtr(); | ||||||||
8364 | } | ||||||||
8365 | |||||||||
8366 | Expected<QualType> ASTImporter::Import(QualType FromT) { | ||||||||
8367 | if (FromT.isNull()) | ||||||||
8368 | return QualType{}; | ||||||||
8369 | |||||||||
8370 | Expected<const Type *> ToTyOrErr = Import(FromT.getTypePtr()); | ||||||||
8371 | if (!ToTyOrErr) | ||||||||
8372 | return ToTyOrErr.takeError(); | ||||||||
8373 | |||||||||
8374 | return ToContext.getQualifiedType(*ToTyOrErr, FromT.getLocalQualifiers()); | ||||||||
8375 | } | ||||||||
8376 | |||||||||
8377 | Expected<TypeSourceInfo *> ASTImporter::Import(TypeSourceInfo *FromTSI) { | ||||||||
8378 | if (!FromTSI) | ||||||||
8379 | return FromTSI; | ||||||||
8380 | |||||||||
8381 | // FIXME: For now we just create a "trivial" type source info based | ||||||||
8382 | // on the type and a single location. Implement a real version of this. | ||||||||
8383 | ExpectedType TOrErr = Import(FromTSI->getType()); | ||||||||
8384 | if (!TOrErr) | ||||||||
8385 | return TOrErr.takeError(); | ||||||||
8386 | ExpectedSLoc BeginLocOrErr = Import(FromTSI->getTypeLoc().getBeginLoc()); | ||||||||
8387 | if (!BeginLocOrErr) | ||||||||
8388 | return BeginLocOrErr.takeError(); | ||||||||
8389 | |||||||||
8390 | return ToContext.getTrivialTypeSourceInfo(*TOrErr, *BeginLocOrErr); | ||||||||
8391 | } | ||||||||
8392 | |||||||||
8393 | Expected<Attr *> ASTImporter::Import(const Attr *FromAttr) { | ||||||||
8394 | Attr *ToAttr = nullptr; | ||||||||
8395 | SourceRange ToRange; | ||||||||
8396 | if (Error Err = importInto(ToRange, FromAttr->getRange())) | ||||||||
8397 | return std::move(Err); | ||||||||
8398 | |||||||||
8399 | // FIXME: Is there some kind of AttrVisitor to use here? | ||||||||
8400 | switch (FromAttr->getKind()) { | ||||||||
8401 | case attr::Aligned: { | ||||||||
8402 | auto *From = cast<AlignedAttr>(FromAttr); | ||||||||
8403 | AlignedAttr *To; | ||||||||
8404 | auto CreateAlign = [&](bool IsAlignmentExpr, void *Alignment) { | ||||||||
8405 | return AlignedAttr::Create(ToContext, IsAlignmentExpr, Alignment, ToRange, | ||||||||
8406 | From->getSyntax(), | ||||||||
8407 | From->getSemanticSpelling()); | ||||||||
8408 | }; | ||||||||
8409 | if (From->isAlignmentExpr()) { | ||||||||
8410 | if (auto ToEOrErr = Import(From->getAlignmentExpr())) | ||||||||
8411 | To = CreateAlign(true, *ToEOrErr); | ||||||||
8412 | else | ||||||||
8413 | return ToEOrErr.takeError(); | ||||||||
8414 | } else { | ||||||||
8415 | if (auto ToTOrErr = Import(From->getAlignmentType())) | ||||||||
8416 | To = CreateAlign(false, *ToTOrErr); | ||||||||
8417 | else | ||||||||
8418 | return ToTOrErr.takeError(); | ||||||||
8419 | } | ||||||||
8420 | To->setInherited(From->isInherited()); | ||||||||
8421 | To->setPackExpansion(From->isPackExpansion()); | ||||||||
8422 | To->setImplicit(From->isImplicit()); | ||||||||
8423 | ToAttr = To; | ||||||||
8424 | break; | ||||||||
8425 | } | ||||||||
8426 | case attr::Format: { | ||||||||
8427 | const auto *From = cast<FormatAttr>(FromAttr); | ||||||||
8428 | FormatAttr *To; | ||||||||
8429 | IdentifierInfo *ToAttrType = Import(From->getType()); | ||||||||
8430 | To = FormatAttr::Create(ToContext, ToAttrType, From->getFormatIdx(), | ||||||||
8431 | From->getFirstArg(), ToRange, From->getSyntax()); | ||||||||
8432 | To->setInherited(From->isInherited()); | ||||||||
8433 | ToAttr = To; | ||||||||
8434 | break; | ||||||||
8435 | } | ||||||||
8436 | default: | ||||||||
8437 | // FIXME: 'clone' copies every member but some of them should be imported. | ||||||||
8438 | // Handle other Attrs that have parameters that should be imported. | ||||||||
8439 | ToAttr = FromAttr->clone(ToContext); | ||||||||
8440 | ToAttr->setRange(ToRange); | ||||||||
8441 | break; | ||||||||
8442 | } | ||||||||
8443 | assert(ToAttr && "Attribute should be created.")(static_cast <bool> (ToAttr && "Attribute should be created." ) ? void (0) : __assert_fail ("ToAttr && \"Attribute should be created.\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 8443, __extension__ __PRETTY_FUNCTION__)); | ||||||||
8444 | |||||||||
8445 | return ToAttr; | ||||||||
8446 | } | ||||||||
8447 | |||||||||
8448 | Decl *ASTImporter::GetAlreadyImportedOrNull(const Decl *FromD) const { | ||||||||
8449 | auto Pos = ImportedDecls.find(FromD); | ||||||||
8450 | if (Pos != ImportedDecls.end()) | ||||||||
8451 | return Pos->second; | ||||||||
8452 | else | ||||||||
8453 | return nullptr; | ||||||||
8454 | } | ||||||||
8455 | |||||||||
8456 | TranslationUnitDecl *ASTImporter::GetFromTU(Decl *ToD) { | ||||||||
8457 | auto FromDPos = ImportedFromDecls.find(ToD); | ||||||||
8458 | if (FromDPos == ImportedFromDecls.end()) | ||||||||
8459 | return nullptr; | ||||||||
8460 | return FromDPos->second->getTranslationUnitDecl(); | ||||||||
8461 | } | ||||||||
8462 | |||||||||
8463 | Expected<Decl *> ASTImporter::Import(Decl *FromD) { | ||||||||
8464 | if (!FromD) | ||||||||
8465 | return nullptr; | ||||||||
8466 | |||||||||
8467 | // Push FromD to the stack, and remove that when we return. | ||||||||
8468 | ImportPath.push(FromD); | ||||||||
8469 | auto ImportPathBuilder = | ||||||||
8470 | llvm::make_scope_exit([this]() { ImportPath.pop(); }); | ||||||||
8471 | |||||||||
8472 | // Check whether there was a previous failed import. | ||||||||
8473 | // If yes return the existing error. | ||||||||
8474 | if (auto Error = getImportDeclErrorIfAny(FromD)) | ||||||||
8475 | return make_error<ImportError>(*Error); | ||||||||
8476 | |||||||||
8477 | // Check whether we've already imported this declaration. | ||||||||
8478 | Decl *ToD = GetAlreadyImportedOrNull(FromD); | ||||||||
8479 | if (ToD) { | ||||||||
8480 | // Already imported (possibly from another TU) and with an error. | ||||||||
8481 | if (auto Error = SharedState->getImportDeclErrorIfAny(ToD)) { | ||||||||
8482 | setImportDeclError(FromD, *Error); | ||||||||
8483 | return make_error<ImportError>(*Error); | ||||||||
8484 | } | ||||||||
8485 | |||||||||
8486 | // If FromD has some updated flags after last import, apply it. | ||||||||
8487 | updateFlags(FromD, ToD); | ||||||||
8488 | // If we encounter a cycle during an import then we save the relevant part | ||||||||
8489 | // of the import path associated to the Decl. | ||||||||
8490 | if (ImportPath.hasCycleAtBack()) | ||||||||
8491 | SavedImportPaths[FromD].push_back(ImportPath.copyCycleAtBack()); | ||||||||
8492 | return ToD; | ||||||||
8493 | } | ||||||||
8494 | |||||||||
8495 | // Import the declaration. | ||||||||
8496 | ExpectedDecl ToDOrErr = ImportImpl(FromD); | ||||||||
8497 | if (!ToDOrErr) { | ||||||||
8498 | // Failed to import. | ||||||||
8499 | |||||||||
8500 | auto Pos = ImportedDecls.find(FromD); | ||||||||
8501 | if (Pos != ImportedDecls.end()) { | ||||||||
8502 | // Import failed after the object was created. | ||||||||
8503 | // Remove all references to it. | ||||||||
8504 | auto *ToD = Pos->second; | ||||||||
8505 | ImportedDecls.erase(Pos); | ||||||||
8506 | |||||||||
8507 | // ImportedDecls and ImportedFromDecls are not symmetric. It may happen | ||||||||
8508 | // (e.g. with namespaces) that several decls from the 'from' context are | ||||||||
8509 | // mapped to the same decl in the 'to' context. If we removed entries | ||||||||
8510 | // from the LookupTable here then we may end up removing them multiple | ||||||||
8511 | // times. | ||||||||
8512 | |||||||||
8513 | // The Lookuptable contains decls only which are in the 'to' context. | ||||||||
8514 | // Remove from the Lookuptable only if it is *imported* into the 'to' | ||||||||
8515 | // context (and do not remove it if it was added during the initial | ||||||||
8516 | // traverse of the 'to' context). | ||||||||
8517 | auto PosF = ImportedFromDecls.find(ToD); | ||||||||
8518 | if (PosF != ImportedFromDecls.end()) { | ||||||||
8519 | // In the case of TypedefNameDecl we create the Decl first and only | ||||||||
8520 | // then we import and set its DeclContext. So, the DC might not be set | ||||||||
8521 | // when we reach here. | ||||||||
8522 | if (ToD->getDeclContext()) | ||||||||
8523 | SharedState->removeDeclFromLookup(ToD); | ||||||||
8524 | ImportedFromDecls.erase(PosF); | ||||||||
8525 | } | ||||||||
8526 | |||||||||
8527 | // FIXME: AST may contain remaining references to the failed object. | ||||||||
8528 | // However, the ImportDeclErrors in the shared state contains all the | ||||||||
8529 | // failed objects together with their error. | ||||||||
8530 | } | ||||||||
8531 | |||||||||
8532 | // Error encountered for the first time. | ||||||||
8533 | // After takeError the error is not usable any more in ToDOrErr. | ||||||||
8534 | // Get a copy of the error object (any more simple solution for this?). | ||||||||
8535 | ImportError ErrOut; | ||||||||
8536 | handleAllErrors(ToDOrErr.takeError(), | ||||||||
8537 | [&ErrOut](const ImportError &E) { ErrOut = E; }); | ||||||||
8538 | setImportDeclError(FromD, ErrOut); | ||||||||
8539 | // Set the error for the mapped to Decl, which is in the "to" context. | ||||||||
8540 | if (Pos != ImportedDecls.end()) | ||||||||
8541 | SharedState->setImportDeclError(Pos->second, ErrOut); | ||||||||
8542 | |||||||||
8543 | // Set the error for all nodes which have been created before we | ||||||||
8544 | // recognized the error. | ||||||||
8545 | for (const auto &Path : SavedImportPaths[FromD]) | ||||||||
8546 | for (Decl *FromDi : Path) { | ||||||||
8547 | setImportDeclError(FromDi, ErrOut); | ||||||||
8548 | //FIXME Should we remove these Decls from ImportedDecls? | ||||||||
8549 | // Set the error for the mapped to Decl, which is in the "to" context. | ||||||||
8550 | auto Ii = ImportedDecls.find(FromDi); | ||||||||
8551 | if (Ii != ImportedDecls.end()) | ||||||||
8552 | SharedState->setImportDeclError(Ii->second, ErrOut); | ||||||||
8553 | // FIXME Should we remove these Decls from the LookupTable, | ||||||||
8554 | // and from ImportedFromDecls? | ||||||||
8555 | } | ||||||||
8556 | SavedImportPaths.erase(FromD); | ||||||||
8557 | |||||||||
8558 | // Do not return ToDOrErr, error was taken out of it. | ||||||||
8559 | return make_error<ImportError>(ErrOut); | ||||||||
8560 | } | ||||||||
8561 | |||||||||
8562 | ToD = *ToDOrErr; | ||||||||
8563 | |||||||||
8564 | // FIXME: Handle the "already imported with error" case. We can get here | ||||||||
8565 | // nullptr only if GetImportedOrCreateDecl returned nullptr (after a | ||||||||
8566 | // previously failed create was requested). | ||||||||
8567 | // Later GetImportedOrCreateDecl can be updated to return the error. | ||||||||
8568 | if (!ToD) { | ||||||||
8569 | auto Err = getImportDeclErrorIfAny(FromD); | ||||||||
8570 | assert(Err)(static_cast <bool> (Err) ? void (0) : __assert_fail ("Err" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 8570, __extension__ __PRETTY_FUNCTION__)); | ||||||||
8571 | return make_error<ImportError>(*Err); | ||||||||
8572 | } | ||||||||
8573 | |||||||||
8574 | // We could import from the current TU without error. But previously we | ||||||||
8575 | // already had imported a Decl as `ToD` from another TU (with another | ||||||||
8576 | // ASTImporter object) and with an error. | ||||||||
8577 | if (auto Error = SharedState->getImportDeclErrorIfAny(ToD)) { | ||||||||
8578 | setImportDeclError(FromD, *Error); | ||||||||
8579 | return make_error<ImportError>(*Error); | ||||||||
8580 | } | ||||||||
8581 | |||||||||
8582 | // Make sure that ImportImpl registered the imported decl. | ||||||||
8583 | assert(ImportedDecls.count(FromD) != 0 && "Missing call to MapImported?")(static_cast <bool> (ImportedDecls.count(FromD) != 0 && "Missing call to MapImported?") ? void (0) : __assert_fail ( "ImportedDecls.count(FromD) != 0 && \"Missing call to MapImported?\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 8583, __extension__ __PRETTY_FUNCTION__)); | ||||||||
8584 | |||||||||
8585 | if (FromD->hasAttrs()) | ||||||||
8586 | for (const Attr *FromAttr : FromD->getAttrs()) { | ||||||||
8587 | auto ToAttrOrErr = Import(FromAttr); | ||||||||
8588 | if (ToAttrOrErr) | ||||||||
8589 | ToD->addAttr(*ToAttrOrErr); | ||||||||
8590 | else | ||||||||
8591 | return ToAttrOrErr.takeError(); | ||||||||
8592 | } | ||||||||
8593 | |||||||||
8594 | // Notify subclasses. | ||||||||
8595 | Imported(FromD, ToD); | ||||||||
8596 | |||||||||
8597 | updateFlags(FromD, ToD); | ||||||||
8598 | SavedImportPaths.erase(FromD); | ||||||||
8599 | return ToDOrErr; | ||||||||
8600 | } | ||||||||
8601 | |||||||||
8602 | Expected<DeclContext *> ASTImporter::ImportContext(DeclContext *FromDC) { | ||||||||
8603 | if (!FromDC) | ||||||||
8604 | return FromDC; | ||||||||
8605 | |||||||||
8606 | ExpectedDecl ToDCOrErr = Import(cast<Decl>(FromDC)); | ||||||||
8607 | if (!ToDCOrErr) | ||||||||
8608 | return ToDCOrErr.takeError(); | ||||||||
8609 | auto *ToDC = cast<DeclContext>(*ToDCOrErr); | ||||||||
8610 | |||||||||
8611 | // When we're using a record/enum/Objective-C class/protocol as a context, we | ||||||||
8612 | // need it to have a definition. | ||||||||
8613 | if (auto *ToRecord = dyn_cast<RecordDecl>(ToDC)) { | ||||||||
8614 | auto *FromRecord = cast<RecordDecl>(FromDC); | ||||||||
8615 | if (ToRecord->isCompleteDefinition()) | ||||||||
8616 | return ToDC; | ||||||||
8617 | |||||||||
8618 | // If FromRecord is not defined we need to force it to be. | ||||||||
8619 | // Simply calling CompleteDecl(...) for a RecordDecl will break some cases | ||||||||
8620 | // it will start the definition but we never finish it. | ||||||||
8621 | // If there are base classes they won't be imported and we will | ||||||||
8622 | // be missing anything that we inherit from those bases. | ||||||||
8623 | if (FromRecord->getASTContext().getExternalSource() && | ||||||||
8624 | !FromRecord->isCompleteDefinition()) | ||||||||
8625 | FromRecord->getASTContext().getExternalSource()->CompleteType(FromRecord); | ||||||||
8626 | |||||||||
8627 | if (FromRecord->isCompleteDefinition()) | ||||||||
8628 | if (Error Err = ASTNodeImporter(*this).ImportDefinition( | ||||||||
8629 | FromRecord, ToRecord, ASTNodeImporter::IDK_Basic)) | ||||||||
8630 | return std::move(Err); | ||||||||
8631 | } else if (auto *ToEnum = dyn_cast<EnumDecl>(ToDC)) { | ||||||||
8632 | auto *FromEnum = cast<EnumDecl>(FromDC); | ||||||||
8633 | if (ToEnum->isCompleteDefinition()) { | ||||||||
8634 | // Do nothing. | ||||||||
8635 | } else if (FromEnum->isCompleteDefinition()) { | ||||||||
8636 | if (Error Err = ASTNodeImporter(*this).ImportDefinition( | ||||||||
8637 | FromEnum, ToEnum, ASTNodeImporter::IDK_Basic)) | ||||||||
8638 | return std::move(Err); | ||||||||
8639 | } else { | ||||||||
8640 | CompleteDecl(ToEnum); | ||||||||
8641 | } | ||||||||
8642 | } else if (auto *ToClass = dyn_cast<ObjCInterfaceDecl>(ToDC)) { | ||||||||
8643 | auto *FromClass = cast<ObjCInterfaceDecl>(FromDC); | ||||||||
8644 | if (ToClass->getDefinition()) { | ||||||||
8645 | // Do nothing. | ||||||||
8646 | } else if (ObjCInterfaceDecl *FromDef = FromClass->getDefinition()) { | ||||||||
8647 | if (Error Err = ASTNodeImporter(*this).ImportDefinition( | ||||||||
8648 | FromDef, ToClass, ASTNodeImporter::IDK_Basic)) | ||||||||
8649 | return std::move(Err); | ||||||||
8650 | } else { | ||||||||
8651 | CompleteDecl(ToClass); | ||||||||
8652 | } | ||||||||
8653 | } else if (auto *ToProto = dyn_cast<ObjCProtocolDecl>(ToDC)) { | ||||||||
8654 | auto *FromProto = cast<ObjCProtocolDecl>(FromDC); | ||||||||
8655 | if (ToProto->getDefinition()) { | ||||||||
8656 | // Do nothing. | ||||||||
8657 | } else if (ObjCProtocolDecl *FromDef = FromProto->getDefinition()) { | ||||||||
8658 | if (Error Err = ASTNodeImporter(*this).ImportDefinition( | ||||||||
8659 | FromDef, ToProto, ASTNodeImporter::IDK_Basic)) | ||||||||
8660 | return std::move(Err); | ||||||||
8661 | } else { | ||||||||
8662 | CompleteDecl(ToProto); | ||||||||
8663 | } | ||||||||
8664 | } | ||||||||
8665 | |||||||||
8666 | return ToDC; | ||||||||
8667 | } | ||||||||
8668 | |||||||||
8669 | Expected<Expr *> ASTImporter::Import(Expr *FromE) { | ||||||||
8670 | if (ExpectedStmt ToSOrErr = Import(cast_or_null<Stmt>(FromE))) | ||||||||
8671 | return cast_or_null<Expr>(*ToSOrErr); | ||||||||
8672 | else | ||||||||
8673 | return ToSOrErr.takeError(); | ||||||||
8674 | } | ||||||||
8675 | |||||||||
8676 | Expected<Stmt *> ASTImporter::Import(Stmt *FromS) { | ||||||||
8677 | if (!FromS) | ||||||||
8678 | return nullptr; | ||||||||
8679 | |||||||||
8680 | // Check whether we've already imported this statement. | ||||||||
8681 | llvm::DenseMap<Stmt *, Stmt *>::iterator Pos = ImportedStmts.find(FromS); | ||||||||
8682 | if (Pos != ImportedStmts.end()) | ||||||||
8683 | return Pos->second; | ||||||||
8684 | |||||||||
8685 | // Import the statement. | ||||||||
8686 | ASTNodeImporter Importer(*this); | ||||||||
8687 | ExpectedStmt ToSOrErr = Importer.Visit(FromS); | ||||||||
8688 | if (!ToSOrErr) | ||||||||
8689 | return ToSOrErr; | ||||||||
8690 | |||||||||
8691 | if (auto *ToE = dyn_cast<Expr>(*ToSOrErr)) { | ||||||||
8692 | auto *FromE = cast<Expr>(FromS); | ||||||||
8693 | // Copy ExprBitfields, which may not be handled in Expr subclasses | ||||||||
8694 | // constructors. | ||||||||
8695 | ToE->setValueKind(FromE->getValueKind()); | ||||||||
8696 | ToE->setObjectKind(FromE->getObjectKind()); | ||||||||
8697 | ToE->setDependence(FromE->getDependence()); | ||||||||
8698 | } | ||||||||
8699 | |||||||||
8700 | // Record the imported statement object. | ||||||||
8701 | ImportedStmts[FromS] = *ToSOrErr; | ||||||||
8702 | return ToSOrErr; | ||||||||
8703 | } | ||||||||
8704 | |||||||||
8705 | Expected<NestedNameSpecifier *> | ||||||||
8706 | ASTImporter::Import(NestedNameSpecifier *FromNNS) { | ||||||||
8707 | if (!FromNNS) | ||||||||
8708 | return nullptr; | ||||||||
8709 | |||||||||
8710 | NestedNameSpecifier *Prefix = nullptr; | ||||||||
8711 | if (Error Err = importInto(Prefix, FromNNS->getPrefix())) | ||||||||
8712 | return std::move(Err); | ||||||||
8713 | |||||||||
8714 | switch (FromNNS->getKind()) { | ||||||||
8715 | case NestedNameSpecifier::Identifier: | ||||||||
8716 | assert(FromNNS->getAsIdentifier() && "NNS should contain identifier.")(static_cast <bool> (FromNNS->getAsIdentifier() && "NNS should contain identifier.") ? void (0) : __assert_fail ("FromNNS->getAsIdentifier() && \"NNS should contain identifier.\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 8716, __extension__ __PRETTY_FUNCTION__)); | ||||||||
8717 | return NestedNameSpecifier::Create(ToContext, Prefix, | ||||||||
8718 | Import(FromNNS->getAsIdentifier())); | ||||||||
8719 | |||||||||
8720 | case NestedNameSpecifier::Namespace: | ||||||||
8721 | if (ExpectedDecl NSOrErr = Import(FromNNS->getAsNamespace())) { | ||||||||
8722 | return NestedNameSpecifier::Create(ToContext, Prefix, | ||||||||
8723 | cast<NamespaceDecl>(*NSOrErr)); | ||||||||
8724 | } else | ||||||||
8725 | return NSOrErr.takeError(); | ||||||||
8726 | |||||||||
8727 | case NestedNameSpecifier::NamespaceAlias: | ||||||||
8728 | if (ExpectedDecl NSADOrErr = Import(FromNNS->getAsNamespaceAlias())) | ||||||||
8729 | return NestedNameSpecifier::Create(ToContext, Prefix, | ||||||||
8730 | cast<NamespaceAliasDecl>(*NSADOrErr)); | ||||||||
8731 | else | ||||||||
8732 | return NSADOrErr.takeError(); | ||||||||
8733 | |||||||||
8734 | case NestedNameSpecifier::Global: | ||||||||
8735 | return NestedNameSpecifier::GlobalSpecifier(ToContext); | ||||||||
8736 | |||||||||
8737 | case NestedNameSpecifier::Super: | ||||||||
8738 | if (ExpectedDecl RDOrErr = Import(FromNNS->getAsRecordDecl())) | ||||||||
8739 | return NestedNameSpecifier::SuperSpecifier(ToContext, | ||||||||
8740 | cast<CXXRecordDecl>(*RDOrErr)); | ||||||||
8741 | else | ||||||||
8742 | return RDOrErr.takeError(); | ||||||||
8743 | |||||||||
8744 | case NestedNameSpecifier::TypeSpec: | ||||||||
8745 | case NestedNameSpecifier::TypeSpecWithTemplate: | ||||||||
8746 | if (Expected<QualType> TyOrErr = | ||||||||
8747 | Import(QualType(FromNNS->getAsType(), 0u))) { | ||||||||
8748 | bool TSTemplate = | ||||||||
8749 | FromNNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate; | ||||||||
8750 | return NestedNameSpecifier::Create(ToContext, Prefix, TSTemplate, | ||||||||
8751 | TyOrErr->getTypePtr()); | ||||||||
8752 | } else { | ||||||||
8753 | return TyOrErr.takeError(); | ||||||||
8754 | } | ||||||||
8755 | } | ||||||||
8756 | |||||||||
8757 | llvm_unreachable("Invalid nested name specifier kind")::llvm::llvm_unreachable_internal("Invalid nested name specifier kind" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 8757); | ||||||||
8758 | } | ||||||||
8759 | |||||||||
8760 | Expected<NestedNameSpecifierLoc> | ||||||||
8761 | ASTImporter::Import(NestedNameSpecifierLoc FromNNS) { | ||||||||
8762 | // Copied from NestedNameSpecifier mostly. | ||||||||
8763 | SmallVector<NestedNameSpecifierLoc , 8> NestedNames; | ||||||||
8764 | NestedNameSpecifierLoc NNS = FromNNS; | ||||||||
8765 | |||||||||
8766 | // Push each of the nested-name-specifiers's onto a stack for | ||||||||
8767 | // serialization in reverse order. | ||||||||
8768 | while (NNS) { | ||||||||
8769 | NestedNames.push_back(NNS); | ||||||||
8770 | NNS = NNS.getPrefix(); | ||||||||
8771 | } | ||||||||
8772 | |||||||||
8773 | NestedNameSpecifierLocBuilder Builder; | ||||||||
8774 | |||||||||
8775 | while (!NestedNames.empty()) { | ||||||||
8776 | NNS = NestedNames.pop_back_val(); | ||||||||
8777 | NestedNameSpecifier *Spec = nullptr; | ||||||||
8778 | if (Error Err = importInto(Spec, NNS.getNestedNameSpecifier())) | ||||||||
8779 | return std::move(Err); | ||||||||
8780 | |||||||||
8781 | NestedNameSpecifier::SpecifierKind Kind = Spec->getKind(); | ||||||||
8782 | |||||||||
8783 | SourceLocation ToLocalBeginLoc, ToLocalEndLoc; | ||||||||
8784 | if (Kind != NestedNameSpecifier::Super) { | ||||||||
8785 | if (Error Err = importInto(ToLocalBeginLoc, NNS.getLocalBeginLoc())) | ||||||||
8786 | return std::move(Err); | ||||||||
8787 | |||||||||
8788 | if (Kind != NestedNameSpecifier::Global) | ||||||||
8789 | if (Error Err = importInto(ToLocalEndLoc, NNS.getLocalEndLoc())) | ||||||||
8790 | return std::move(Err); | ||||||||
8791 | } | ||||||||
8792 | |||||||||
8793 | switch (Kind) { | ||||||||
8794 | case NestedNameSpecifier::Identifier: | ||||||||
8795 | Builder.Extend(getToContext(), Spec->getAsIdentifier(), ToLocalBeginLoc, | ||||||||
8796 | ToLocalEndLoc); | ||||||||
8797 | break; | ||||||||
8798 | |||||||||
8799 | case NestedNameSpecifier::Namespace: | ||||||||
8800 | Builder.Extend(getToContext(), Spec->getAsNamespace(), ToLocalBeginLoc, | ||||||||
8801 | ToLocalEndLoc); | ||||||||
8802 | break; | ||||||||
8803 | |||||||||
8804 | case NestedNameSpecifier::NamespaceAlias: | ||||||||
8805 | Builder.Extend(getToContext(), Spec->getAsNamespaceAlias(), | ||||||||
8806 | ToLocalBeginLoc, ToLocalEndLoc); | ||||||||
8807 | break; | ||||||||
8808 | |||||||||
8809 | case NestedNameSpecifier::TypeSpec: | ||||||||
8810 | case NestedNameSpecifier::TypeSpecWithTemplate: { | ||||||||
8811 | SourceLocation ToTLoc; | ||||||||
8812 | if (Error Err = importInto(ToTLoc, NNS.getTypeLoc().getBeginLoc())) | ||||||||
8813 | return std::move(Err); | ||||||||
8814 | TypeSourceInfo *TSI = getToContext().getTrivialTypeSourceInfo( | ||||||||
8815 | QualType(Spec->getAsType(), 0), ToTLoc); | ||||||||
8816 | if (Kind == NestedNameSpecifier::TypeSpecWithTemplate) | ||||||||
8817 | // ToLocalBeginLoc is here the location of the 'template' keyword. | ||||||||
8818 | Builder.Extend(getToContext(), ToLocalBeginLoc, TSI->getTypeLoc(), | ||||||||
8819 | ToLocalEndLoc); | ||||||||
8820 | else | ||||||||
8821 | // No location for 'template' keyword here. | ||||||||
8822 | Builder.Extend(getToContext(), SourceLocation{}, TSI->getTypeLoc(), | ||||||||
8823 | ToLocalEndLoc); | ||||||||
8824 | break; | ||||||||
8825 | } | ||||||||
8826 | |||||||||
8827 | case NestedNameSpecifier::Global: | ||||||||
8828 | Builder.MakeGlobal(getToContext(), ToLocalBeginLoc); | ||||||||
8829 | break; | ||||||||
8830 | |||||||||
8831 | case NestedNameSpecifier::Super: { | ||||||||
8832 | auto ToSourceRangeOrErr = Import(NNS.getSourceRange()); | ||||||||
8833 | if (!ToSourceRangeOrErr) | ||||||||
8834 | return ToSourceRangeOrErr.takeError(); | ||||||||
8835 | |||||||||
8836 | Builder.MakeSuper(getToContext(), Spec->getAsRecordDecl(), | ||||||||
8837 | ToSourceRangeOrErr->getBegin(), | ||||||||
8838 | ToSourceRangeOrErr->getEnd()); | ||||||||
8839 | } | ||||||||
8840 | } | ||||||||
8841 | } | ||||||||
8842 | |||||||||
8843 | return Builder.getWithLocInContext(getToContext()); | ||||||||
8844 | } | ||||||||
8845 | |||||||||
8846 | Expected<TemplateName> ASTImporter::Import(TemplateName From) { | ||||||||
8847 | switch (From.getKind()) { | ||||||||
8848 | case TemplateName::Template: | ||||||||
8849 | if (ExpectedDecl ToTemplateOrErr = Import(From.getAsTemplateDecl())) | ||||||||
8850 | return TemplateName(cast<TemplateDecl>(*ToTemplateOrErr)); | ||||||||
8851 | else | ||||||||
8852 | return ToTemplateOrErr.takeError(); | ||||||||
8853 | |||||||||
8854 | case TemplateName::OverloadedTemplate: { | ||||||||
8855 | OverloadedTemplateStorage *FromStorage = From.getAsOverloadedTemplate(); | ||||||||
8856 | UnresolvedSet<2> ToTemplates; | ||||||||
8857 | for (auto *I : *FromStorage) { | ||||||||
8858 | if (auto ToOrErr = Import(I)) | ||||||||
8859 | ToTemplates.addDecl(cast<NamedDecl>(*ToOrErr)); | ||||||||
8860 | else | ||||||||
8861 | return ToOrErr.takeError(); | ||||||||
8862 | } | ||||||||
8863 | return ToContext.getOverloadedTemplateName(ToTemplates.begin(), | ||||||||
8864 | ToTemplates.end()); | ||||||||
8865 | } | ||||||||
8866 | |||||||||
8867 | case TemplateName::AssumedTemplate: { | ||||||||
8868 | AssumedTemplateStorage *FromStorage = From.getAsAssumedTemplateName(); | ||||||||
8869 | auto DeclNameOrErr = Import(FromStorage->getDeclName()); | ||||||||
8870 | if (!DeclNameOrErr) | ||||||||
8871 | return DeclNameOrErr.takeError(); | ||||||||
8872 | return ToContext.getAssumedTemplateName(*DeclNameOrErr); | ||||||||
8873 | } | ||||||||
8874 | |||||||||
8875 | case TemplateName::QualifiedTemplate: { | ||||||||
8876 | QualifiedTemplateName *QTN = From.getAsQualifiedTemplateName(); | ||||||||
8877 | auto QualifierOrErr = Import(QTN->getQualifier()); | ||||||||
8878 | if (!QualifierOrErr) | ||||||||
8879 | return QualifierOrErr.takeError(); | ||||||||
8880 | |||||||||
8881 | if (ExpectedDecl ToTemplateOrErr = Import(From.getAsTemplateDecl())) | ||||||||
8882 | return ToContext.getQualifiedTemplateName( | ||||||||
8883 | *QualifierOrErr, QTN->hasTemplateKeyword(), | ||||||||
8884 | cast<TemplateDecl>(*ToTemplateOrErr)); | ||||||||
8885 | else | ||||||||
8886 | return ToTemplateOrErr.takeError(); | ||||||||
8887 | } | ||||||||
8888 | |||||||||
8889 | case TemplateName::DependentTemplate: { | ||||||||
8890 | DependentTemplateName *DTN = From.getAsDependentTemplateName(); | ||||||||
8891 | auto QualifierOrErr = Import(DTN->getQualifier()); | ||||||||
8892 | if (!QualifierOrErr) | ||||||||
8893 | return QualifierOrErr.takeError(); | ||||||||
8894 | |||||||||
8895 | if (DTN->isIdentifier()) { | ||||||||
8896 | return ToContext.getDependentTemplateName(*QualifierOrErr, | ||||||||
8897 | Import(DTN->getIdentifier())); | ||||||||
8898 | } | ||||||||
8899 | |||||||||
8900 | return ToContext.getDependentTemplateName(*QualifierOrErr, | ||||||||
8901 | DTN->getOperator()); | ||||||||
8902 | } | ||||||||
8903 | |||||||||
8904 | case TemplateName::SubstTemplateTemplateParm: { | ||||||||
8905 | SubstTemplateTemplateParmStorage *Subst = | ||||||||
8906 | From.getAsSubstTemplateTemplateParm(); | ||||||||
8907 | ExpectedDecl ParamOrErr = Import(Subst->getParameter()); | ||||||||
8908 | if (!ParamOrErr) | ||||||||
8909 | return ParamOrErr.takeError(); | ||||||||
8910 | |||||||||
8911 | auto ReplacementOrErr = Import(Subst->getReplacement()); | ||||||||
8912 | if (!ReplacementOrErr) | ||||||||
8913 | return ReplacementOrErr.takeError(); | ||||||||
8914 | |||||||||
8915 | return ToContext.getSubstTemplateTemplateParm( | ||||||||
8916 | cast<TemplateTemplateParmDecl>(*ParamOrErr), *ReplacementOrErr); | ||||||||
8917 | } | ||||||||
8918 | |||||||||
8919 | case TemplateName::SubstTemplateTemplateParmPack: { | ||||||||
8920 | SubstTemplateTemplateParmPackStorage *SubstPack | ||||||||
8921 | = From.getAsSubstTemplateTemplateParmPack(); | ||||||||
8922 | ExpectedDecl ParamOrErr = Import(SubstPack->getParameterPack()); | ||||||||
8923 | if (!ParamOrErr) | ||||||||
8924 | return ParamOrErr.takeError(); | ||||||||
8925 | |||||||||
8926 | ASTNodeImporter Importer(*this); | ||||||||
8927 | auto ArgPackOrErr = | ||||||||
8928 | Importer.ImportTemplateArgument(SubstPack->getArgumentPack()); | ||||||||
8929 | if (!ArgPackOrErr) | ||||||||
8930 | return ArgPackOrErr.takeError(); | ||||||||
8931 | |||||||||
8932 | return ToContext.getSubstTemplateTemplateParmPack( | ||||||||
8933 | cast<TemplateTemplateParmDecl>(*ParamOrErr), *ArgPackOrErr); | ||||||||
8934 | } | ||||||||
8935 | } | ||||||||
8936 | |||||||||
8937 | llvm_unreachable("Invalid template name kind")::llvm::llvm_unreachable_internal("Invalid template name kind" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 8937); | ||||||||
8938 | } | ||||||||
8939 | |||||||||
8940 | Expected<SourceLocation> ASTImporter::Import(SourceLocation FromLoc) { | ||||||||
8941 | if (FromLoc.isInvalid()) | ||||||||
8942 | return SourceLocation{}; | ||||||||
8943 | |||||||||
8944 | SourceManager &FromSM = FromContext.getSourceManager(); | ||||||||
8945 | bool IsBuiltin = FromSM.isWrittenInBuiltinFile(FromLoc); | ||||||||
8946 | |||||||||
8947 | std::pair<FileID, unsigned> Decomposed = FromSM.getDecomposedLoc(FromLoc); | ||||||||
8948 | Expected<FileID> ToFileIDOrErr = Import(Decomposed.first, IsBuiltin); | ||||||||
8949 | if (!ToFileIDOrErr) | ||||||||
8950 | return ToFileIDOrErr.takeError(); | ||||||||
8951 | SourceManager &ToSM = ToContext.getSourceManager(); | ||||||||
8952 | return ToSM.getComposedLoc(*ToFileIDOrErr, Decomposed.second); | ||||||||
8953 | } | ||||||||
8954 | |||||||||
8955 | Expected<SourceRange> ASTImporter::Import(SourceRange FromRange) { | ||||||||
8956 | SourceLocation ToBegin, ToEnd; | ||||||||
8957 | if (Error Err = importInto(ToBegin, FromRange.getBegin())) | ||||||||
8958 | return std::move(Err); | ||||||||
8959 | if (Error Err = importInto(ToEnd, FromRange.getEnd())) | ||||||||
8960 | return std::move(Err); | ||||||||
8961 | |||||||||
8962 | return SourceRange(ToBegin, ToEnd); | ||||||||
8963 | } | ||||||||
8964 | |||||||||
8965 | Expected<FileID> ASTImporter::Import(FileID FromID, bool IsBuiltin) { | ||||||||
8966 | llvm::DenseMap<FileID, FileID>::iterator Pos = ImportedFileIDs.find(FromID); | ||||||||
8967 | if (Pos != ImportedFileIDs.end()) | ||||||||
8968 | return Pos->second; | ||||||||
8969 | |||||||||
8970 | SourceManager &FromSM = FromContext.getSourceManager(); | ||||||||
8971 | SourceManager &ToSM = ToContext.getSourceManager(); | ||||||||
8972 | const SrcMgr::SLocEntry &FromSLoc = FromSM.getSLocEntry(FromID); | ||||||||
8973 | |||||||||
8974 | // Map the FromID to the "to" source manager. | ||||||||
8975 | FileID ToID; | ||||||||
8976 | if (FromSLoc.isExpansion()) { | ||||||||
8977 | const SrcMgr::ExpansionInfo &FromEx = FromSLoc.getExpansion(); | ||||||||
8978 | ExpectedSLoc ToSpLoc = Import(FromEx.getSpellingLoc()); | ||||||||
8979 | if (!ToSpLoc) | ||||||||
8980 | return ToSpLoc.takeError(); | ||||||||
8981 | ExpectedSLoc ToExLocS = Import(FromEx.getExpansionLocStart()); | ||||||||
8982 | if (!ToExLocS) | ||||||||
8983 | return ToExLocS.takeError(); | ||||||||
8984 | unsigned TokenLen = FromSM.getFileIDSize(FromID); | ||||||||
8985 | SourceLocation MLoc; | ||||||||
8986 | if (FromEx.isMacroArgExpansion()) { | ||||||||
8987 | MLoc = ToSM.createMacroArgExpansionLoc(*ToSpLoc, *ToExLocS, TokenLen); | ||||||||
8988 | } else { | ||||||||
8989 | if (ExpectedSLoc ToExLocE = Import(FromEx.getExpansionLocEnd())) | ||||||||
8990 | MLoc = ToSM.createExpansionLoc(*ToSpLoc, *ToExLocS, *ToExLocE, TokenLen, | ||||||||
8991 | FromEx.isExpansionTokenRange()); | ||||||||
8992 | else | ||||||||
8993 | return ToExLocE.takeError(); | ||||||||
8994 | } | ||||||||
8995 | ToID = ToSM.getFileID(MLoc); | ||||||||
8996 | } else { | ||||||||
8997 | const SrcMgr::ContentCache *Cache = &FromSLoc.getFile().getContentCache(); | ||||||||
8998 | |||||||||
8999 | if (!IsBuiltin && !Cache->BufferOverridden) { | ||||||||
9000 | // Include location of this file. | ||||||||
9001 | ExpectedSLoc ToIncludeLoc = Import(FromSLoc.getFile().getIncludeLoc()); | ||||||||
9002 | if (!ToIncludeLoc) | ||||||||
9003 | return ToIncludeLoc.takeError(); | ||||||||
9004 | |||||||||
9005 | // Every FileID that is not the main FileID needs to have a valid include | ||||||||
9006 | // location so that the include chain points to the main FileID. When | ||||||||
9007 | // importing the main FileID (which has no include location), we need to | ||||||||
9008 | // create a fake include location in the main file to keep this property | ||||||||
9009 | // intact. | ||||||||
9010 | SourceLocation ToIncludeLocOrFakeLoc = *ToIncludeLoc; | ||||||||
9011 | if (FromID == FromSM.getMainFileID()) | ||||||||
9012 | ToIncludeLocOrFakeLoc = ToSM.getLocForStartOfFile(ToSM.getMainFileID()); | ||||||||
9013 | |||||||||
9014 | if (Cache->OrigEntry && Cache->OrigEntry->getDir()) { | ||||||||
9015 | // FIXME: We probably want to use getVirtualFile(), so we don't hit the | ||||||||
9016 | // disk again | ||||||||
9017 | // FIXME: We definitely want to re-use the existing MemoryBuffer, rather | ||||||||
9018 | // than mmap the files several times. | ||||||||
9019 | auto Entry = | ||||||||
9020 | ToFileManager.getOptionalFileRef(Cache->OrigEntry->getName()); | ||||||||
9021 | // FIXME: The filename may be a virtual name that does probably not | ||||||||
9022 | // point to a valid file and we get no Entry here. In this case try with | ||||||||
9023 | // the memory buffer below. | ||||||||
9024 | if (Entry) | ||||||||
9025 | ToID = ToSM.createFileID(*Entry, ToIncludeLocOrFakeLoc, | ||||||||
9026 | FromSLoc.getFile().getFileCharacteristic()); | ||||||||
9027 | } | ||||||||
9028 | } | ||||||||
9029 | |||||||||
9030 | if (ToID.isInvalid() || IsBuiltin) { | ||||||||
9031 | // FIXME: We want to re-use the existing MemoryBuffer! | ||||||||
9032 | llvm::Optional<llvm::MemoryBufferRef> FromBuf = | ||||||||
9033 | Cache->getBufferOrNone(FromContext.getDiagnostics(), | ||||||||
9034 | FromSM.getFileManager(), SourceLocation{}); | ||||||||
9035 | if (!FromBuf) | ||||||||
9036 | return llvm::make_error<ImportError>(ImportError::Unknown); | ||||||||
9037 | |||||||||
9038 | std::unique_ptr<llvm::MemoryBuffer> ToBuf = | ||||||||
9039 | llvm::MemoryBuffer::getMemBufferCopy(FromBuf->getBuffer(), | ||||||||
9040 | FromBuf->getBufferIdentifier()); | ||||||||
9041 | ToID = ToSM.createFileID(std::move(ToBuf), | ||||||||
9042 | FromSLoc.getFile().getFileCharacteristic()); | ||||||||
9043 | } | ||||||||
9044 | } | ||||||||
9045 | |||||||||
9046 | assert(ToID.isValid() && "Unexpected invalid fileID was created.")(static_cast <bool> (ToID.isValid() && "Unexpected invalid fileID was created." ) ? void (0) : __assert_fail ("ToID.isValid() && \"Unexpected invalid fileID was created.\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 9046, __extension__ __PRETTY_FUNCTION__)); | ||||||||
9047 | |||||||||
9048 | ImportedFileIDs[FromID] = ToID; | ||||||||
9049 | return ToID; | ||||||||
9050 | } | ||||||||
9051 | |||||||||
9052 | Expected<CXXCtorInitializer *> ASTImporter::Import(CXXCtorInitializer *From) { | ||||||||
9053 | ExpectedExpr ToExprOrErr = Import(From->getInit()); | ||||||||
9054 | if (!ToExprOrErr) | ||||||||
9055 | return ToExprOrErr.takeError(); | ||||||||
9056 | |||||||||
9057 | auto LParenLocOrErr = Import(From->getLParenLoc()); | ||||||||
9058 | if (!LParenLocOrErr) | ||||||||
9059 | return LParenLocOrErr.takeError(); | ||||||||
9060 | |||||||||
9061 | auto RParenLocOrErr = Import(From->getRParenLoc()); | ||||||||
9062 | if (!RParenLocOrErr) | ||||||||
9063 | return RParenLocOrErr.takeError(); | ||||||||
9064 | |||||||||
9065 | if (From->isBaseInitializer()) { | ||||||||
9066 | auto ToTInfoOrErr = Import(From->getTypeSourceInfo()); | ||||||||
9067 | if (!ToTInfoOrErr) | ||||||||
9068 | return ToTInfoOrErr.takeError(); | ||||||||
9069 | |||||||||
9070 | SourceLocation EllipsisLoc; | ||||||||
9071 | if (From->isPackExpansion()) | ||||||||
9072 | if (Error Err = importInto(EllipsisLoc, From->getEllipsisLoc())) | ||||||||
9073 | return std::move(Err); | ||||||||
9074 | |||||||||
9075 | return new (ToContext) CXXCtorInitializer( | ||||||||
9076 | ToContext, *ToTInfoOrErr, From->isBaseVirtual(), *LParenLocOrErr, | ||||||||
9077 | *ToExprOrErr, *RParenLocOrErr, EllipsisLoc); | ||||||||
9078 | } else if (From->isMemberInitializer()) { | ||||||||
9079 | ExpectedDecl ToFieldOrErr = Import(From->getMember()); | ||||||||
9080 | if (!ToFieldOrErr) | ||||||||
9081 | return ToFieldOrErr.takeError(); | ||||||||
9082 | |||||||||
9083 | auto MemberLocOrErr = Import(From->getMemberLocation()); | ||||||||
9084 | if (!MemberLocOrErr) | ||||||||
9085 | return MemberLocOrErr.takeError(); | ||||||||
9086 | |||||||||
9087 | return new (ToContext) CXXCtorInitializer( | ||||||||
9088 | ToContext, cast_or_null<FieldDecl>(*ToFieldOrErr), *MemberLocOrErr, | ||||||||
9089 | *LParenLocOrErr, *ToExprOrErr, *RParenLocOrErr); | ||||||||
9090 | } else if (From->isIndirectMemberInitializer()) { | ||||||||
9091 | ExpectedDecl ToIFieldOrErr = Import(From->getIndirectMember()); | ||||||||
9092 | if (!ToIFieldOrErr) | ||||||||
9093 | return ToIFieldOrErr.takeError(); | ||||||||
9094 | |||||||||
9095 | auto MemberLocOrErr = Import(From->getMemberLocation()); | ||||||||
9096 | if (!MemberLocOrErr) | ||||||||
9097 | return MemberLocOrErr.takeError(); | ||||||||
9098 | |||||||||
9099 | return new (ToContext) CXXCtorInitializer( | ||||||||
9100 | ToContext, cast_or_null<IndirectFieldDecl>(*ToIFieldOrErr), | ||||||||
9101 | *MemberLocOrErr, *LParenLocOrErr, *ToExprOrErr, *RParenLocOrErr); | ||||||||
9102 | } else if (From->isDelegatingInitializer()) { | ||||||||
9103 | auto ToTInfoOrErr = Import(From->getTypeSourceInfo()); | ||||||||
9104 | if (!ToTInfoOrErr) | ||||||||
9105 | return ToTInfoOrErr.takeError(); | ||||||||
9106 | |||||||||
9107 | return new (ToContext) | ||||||||
9108 | CXXCtorInitializer(ToContext, *ToTInfoOrErr, *LParenLocOrErr, | ||||||||
9109 | *ToExprOrErr, *RParenLocOrErr); | ||||||||
9110 | } else { | ||||||||
9111 | // FIXME: assert? | ||||||||
9112 | return make_error<ImportError>(); | ||||||||
9113 | } | ||||||||
9114 | } | ||||||||
9115 | |||||||||
9116 | Expected<CXXBaseSpecifier *> | ||||||||
9117 | ASTImporter::Import(const CXXBaseSpecifier *BaseSpec) { | ||||||||
9118 | auto Pos = ImportedCXXBaseSpecifiers.find(BaseSpec); | ||||||||
9119 | if (Pos != ImportedCXXBaseSpecifiers.end()) | ||||||||
9120 | return Pos->second; | ||||||||
9121 | |||||||||
9122 | Expected<SourceRange> ToSourceRange = Import(BaseSpec->getSourceRange()); | ||||||||
9123 | if (!ToSourceRange) | ||||||||
9124 | return ToSourceRange.takeError(); | ||||||||
9125 | Expected<TypeSourceInfo *> ToTSI = Import(BaseSpec->getTypeSourceInfo()); | ||||||||
9126 | if (!ToTSI) | ||||||||
9127 | return ToTSI.takeError(); | ||||||||
9128 | ExpectedSLoc ToEllipsisLoc = Import(BaseSpec->getEllipsisLoc()); | ||||||||
9129 | if (!ToEllipsisLoc) | ||||||||
9130 | return ToEllipsisLoc.takeError(); | ||||||||
9131 | CXXBaseSpecifier *Imported = new (ToContext) CXXBaseSpecifier( | ||||||||
9132 | *ToSourceRange, BaseSpec->isVirtual(), BaseSpec->isBaseOfClass(), | ||||||||
9133 | BaseSpec->getAccessSpecifierAsWritten(), *ToTSI, *ToEllipsisLoc); | ||||||||
9134 | ImportedCXXBaseSpecifiers[BaseSpec] = Imported; | ||||||||
9135 | return Imported; | ||||||||
9136 | } | ||||||||
9137 | |||||||||
9138 | llvm::Expected<APValue> ASTImporter::Import(const APValue &FromValue) { | ||||||||
9139 | ASTNodeImporter Importer(*this); | ||||||||
9140 | return Importer.ImportAPValue(FromValue); | ||||||||
9141 | } | ||||||||
9142 | |||||||||
9143 | Error ASTImporter::ImportDefinition(Decl *From) { | ||||||||
9144 | ExpectedDecl ToOrErr = Import(From); | ||||||||
9145 | if (!ToOrErr) | ||||||||
9146 | return ToOrErr.takeError(); | ||||||||
9147 | Decl *To = *ToOrErr; | ||||||||
9148 | |||||||||
9149 | auto *FromDC = cast<DeclContext>(From); | ||||||||
9150 | ASTNodeImporter Importer(*this); | ||||||||
9151 | |||||||||
9152 | if (auto *ToRecord = dyn_cast<RecordDecl>(To)) { | ||||||||
9153 | if (!ToRecord->getDefinition()) { | ||||||||
9154 | return Importer.ImportDefinition( | ||||||||
9155 | cast<RecordDecl>(FromDC), ToRecord, | ||||||||
9156 | ASTNodeImporter::IDK_Everything); | ||||||||
9157 | } | ||||||||
9158 | } | ||||||||
9159 | |||||||||
9160 | if (auto *ToEnum = dyn_cast<EnumDecl>(To)) { | ||||||||
9161 | if (!ToEnum->getDefinition()) { | ||||||||
9162 | return Importer.ImportDefinition( | ||||||||
9163 | cast<EnumDecl>(FromDC), ToEnum, ASTNodeImporter::IDK_Everything); | ||||||||
9164 | } | ||||||||
9165 | } | ||||||||
9166 | |||||||||
9167 | if (auto *ToIFace = dyn_cast<ObjCInterfaceDecl>(To)) { | ||||||||
9168 | if (!ToIFace->getDefinition()) { | ||||||||
9169 | return Importer.ImportDefinition( | ||||||||
9170 | cast<ObjCInterfaceDecl>(FromDC), ToIFace, | ||||||||
9171 | ASTNodeImporter::IDK_Everything); | ||||||||
9172 | } | ||||||||
9173 | } | ||||||||
9174 | |||||||||
9175 | if (auto *ToProto = dyn_cast<ObjCProtocolDecl>(To)) { | ||||||||
9176 | if (!ToProto->getDefinition()) { | ||||||||
9177 | return Importer.ImportDefinition( | ||||||||
9178 | cast<ObjCProtocolDecl>(FromDC), ToProto, | ||||||||
9179 | ASTNodeImporter::IDK_Everything); | ||||||||
9180 | } | ||||||||
9181 | } | ||||||||
9182 | |||||||||
9183 | return Importer.ImportDeclContext(FromDC, true); | ||||||||
9184 | } | ||||||||
9185 | |||||||||
9186 | Expected<DeclarationName> ASTImporter::Import(DeclarationName FromName) { | ||||||||
9187 | if (!FromName) | ||||||||
9188 | return DeclarationName{}; | ||||||||
9189 | |||||||||
9190 | switch (FromName.getNameKind()) { | ||||||||
9191 | case DeclarationName::Identifier: | ||||||||
9192 | return DeclarationName(Import(FromName.getAsIdentifierInfo())); | ||||||||
9193 | |||||||||
9194 | case DeclarationName::ObjCZeroArgSelector: | ||||||||
9195 | case DeclarationName::ObjCOneArgSelector: | ||||||||
9196 | case DeclarationName::ObjCMultiArgSelector: | ||||||||
9197 | if (auto ToSelOrErr = Import(FromName.getObjCSelector())) | ||||||||
9198 | return DeclarationName(*ToSelOrErr); | ||||||||
9199 | else | ||||||||
9200 | return ToSelOrErr.takeError(); | ||||||||
9201 | |||||||||
9202 | case DeclarationName::CXXConstructorName: { | ||||||||
9203 | if (auto ToTyOrErr = Import(FromName.getCXXNameType())) | ||||||||
9204 | return ToContext.DeclarationNames.getCXXConstructorName( | ||||||||
9205 | ToContext.getCanonicalType(*ToTyOrErr)); | ||||||||
9206 | else | ||||||||
9207 | return ToTyOrErr.takeError(); | ||||||||
9208 | } | ||||||||
9209 | |||||||||
9210 | case DeclarationName::CXXDestructorName: { | ||||||||
9211 | if (auto ToTyOrErr = Import(FromName.getCXXNameType())) | ||||||||
9212 | return ToContext.DeclarationNames.getCXXDestructorName( | ||||||||
9213 | ToContext.getCanonicalType(*ToTyOrErr)); | ||||||||
9214 | else | ||||||||
9215 | return ToTyOrErr.takeError(); | ||||||||
9216 | } | ||||||||
9217 | |||||||||
9218 | case DeclarationName::CXXDeductionGuideName: { | ||||||||
9219 | if (auto ToTemplateOrErr = Import(FromName.getCXXDeductionGuideTemplate())) | ||||||||
9220 | return ToContext.DeclarationNames.getCXXDeductionGuideName( | ||||||||
9221 | cast<TemplateDecl>(*ToTemplateOrErr)); | ||||||||
9222 | else | ||||||||
9223 | return ToTemplateOrErr.takeError(); | ||||||||
9224 | } | ||||||||
9225 | |||||||||
9226 | case DeclarationName::CXXConversionFunctionName: { | ||||||||
9227 | if (auto ToTyOrErr = Import(FromName.getCXXNameType())) | ||||||||
9228 | return ToContext.DeclarationNames.getCXXConversionFunctionName( | ||||||||
9229 | ToContext.getCanonicalType(*ToTyOrErr)); | ||||||||
9230 | else | ||||||||
9231 | return ToTyOrErr.takeError(); | ||||||||
9232 | } | ||||||||
9233 | |||||||||
9234 | case DeclarationName::CXXOperatorName: | ||||||||
9235 | return ToContext.DeclarationNames.getCXXOperatorName( | ||||||||
9236 | FromName.getCXXOverloadedOperator()); | ||||||||
9237 | |||||||||
9238 | case DeclarationName::CXXLiteralOperatorName: | ||||||||
9239 | return ToContext.DeclarationNames.getCXXLiteralOperatorName( | ||||||||
9240 | Import(FromName.getCXXLiteralIdentifier())); | ||||||||
9241 | |||||||||
9242 | case DeclarationName::CXXUsingDirective: | ||||||||
9243 | // FIXME: STATICS! | ||||||||
9244 | return DeclarationName::getUsingDirectiveName(); | ||||||||
9245 | } | ||||||||
9246 | |||||||||
9247 | llvm_unreachable("Invalid DeclarationName Kind!")::llvm::llvm_unreachable_internal("Invalid DeclarationName Kind!" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 9247); | ||||||||
9248 | } | ||||||||
9249 | |||||||||
9250 | IdentifierInfo *ASTImporter::Import(const IdentifierInfo *FromId) { | ||||||||
9251 | if (!FromId) | ||||||||
9252 | return nullptr; | ||||||||
9253 | |||||||||
9254 | IdentifierInfo *ToId = &ToContext.Idents.get(FromId->getName()); | ||||||||
9255 | |||||||||
9256 | if (!ToId->getBuiltinID() && FromId->getBuiltinID()) | ||||||||
9257 | ToId->setBuiltinID(FromId->getBuiltinID()); | ||||||||
9258 | |||||||||
9259 | return ToId; | ||||||||
9260 | } | ||||||||
9261 | |||||||||
9262 | Expected<Selector> ASTImporter::Import(Selector FromSel) { | ||||||||
9263 | if (FromSel.isNull()) | ||||||||
9264 | return Selector{}; | ||||||||
9265 | |||||||||
9266 | SmallVector<IdentifierInfo *, 4> Idents; | ||||||||
9267 | Idents.push_back(Import(FromSel.getIdentifierInfoForSlot(0))); | ||||||||
9268 | for (unsigned I = 1, N = FromSel.getNumArgs(); I < N; ++I) | ||||||||
9269 | Idents.push_back(Import(FromSel.getIdentifierInfoForSlot(I))); | ||||||||
9270 | return ToContext.Selectors.getSelector(FromSel.getNumArgs(), Idents.data()); | ||||||||
9271 | } | ||||||||
9272 | |||||||||
9273 | llvm::Expected<APValue> | ||||||||
9274 | ASTNodeImporter::ImportAPValue(const APValue &FromValue) { | ||||||||
9275 | APValue Result; | ||||||||
9276 | llvm::Error Err = llvm::Error::success(); | ||||||||
9277 | auto ImportLoop = [&](const APValue *From, APValue *To, unsigned Size) { | ||||||||
9278 | for (unsigned Idx = 0; Idx < Size; Idx++) { | ||||||||
9279 | APValue Tmp = importChecked(Err, From[Idx]); | ||||||||
9280 | To[Idx] = Tmp; | ||||||||
9281 | } | ||||||||
9282 | }; | ||||||||
9283 | switch (FromValue.getKind()) { | ||||||||
9284 | case APValue::None: | ||||||||
9285 | case APValue::Indeterminate: | ||||||||
9286 | case APValue::Int: | ||||||||
9287 | case APValue::Float: | ||||||||
9288 | case APValue::FixedPoint: | ||||||||
9289 | case APValue::ComplexInt: | ||||||||
9290 | case APValue::ComplexFloat: | ||||||||
9291 | Result = FromValue; | ||||||||
9292 | break; | ||||||||
9293 | case APValue::Vector: { | ||||||||
9294 | Result.MakeVector(); | ||||||||
9295 | MutableArrayRef<APValue> Elts = | ||||||||
9296 | Result.setVectorUninit(FromValue.getVectorLength()); | ||||||||
9297 | ImportLoop(((const APValue::Vec *)(const char *)&FromValue.Data)->Elts, | ||||||||
9298 | Elts.data(), FromValue.getVectorLength()); | ||||||||
9299 | break; | ||||||||
9300 | } | ||||||||
9301 | case APValue::Array: | ||||||||
9302 | Result.MakeArray(FromValue.getArrayInitializedElts(), | ||||||||
9303 | FromValue.getArraySize()); | ||||||||
9304 | ImportLoop(((const APValue::Arr *)(const char *)&FromValue.Data)->Elts, | ||||||||
9305 | ((const APValue::Arr *)(const char *)&Result.Data)->Elts, | ||||||||
9306 | FromValue.getArrayInitializedElts()); | ||||||||
9307 | break; | ||||||||
9308 | case APValue::Struct: | ||||||||
9309 | Result.MakeStruct(FromValue.getStructNumBases(), | ||||||||
9310 | FromValue.getStructNumFields()); | ||||||||
9311 | ImportLoop( | ||||||||
9312 | ((const APValue::StructData *)(const char *)&FromValue.Data)->Elts, | ||||||||
9313 | ((const APValue::StructData *)(const char *)&Result.Data)->Elts, | ||||||||
9314 | FromValue.getStructNumBases() + FromValue.getStructNumFields()); | ||||||||
9315 | break; | ||||||||
9316 | case APValue::Union: { | ||||||||
9317 | Result.MakeUnion(); | ||||||||
9318 | const Decl *ImpFDecl = importChecked(Err, FromValue.getUnionField()); | ||||||||
9319 | APValue ImpValue = importChecked(Err, FromValue.getUnionValue()); | ||||||||
9320 | if (Err) | ||||||||
9321 | return std::move(Err); | ||||||||
9322 | Result.setUnion(cast<FieldDecl>(ImpFDecl), ImpValue); | ||||||||
9323 | break; | ||||||||
9324 | } | ||||||||
9325 | case APValue::AddrLabelDiff: { | ||||||||
9326 | Result.MakeAddrLabelDiff(); | ||||||||
9327 | const Expr *ImpLHS = importChecked(Err, FromValue.getAddrLabelDiffLHS()); | ||||||||
9328 | const Expr *ImpRHS = importChecked(Err, FromValue.getAddrLabelDiffRHS()); | ||||||||
9329 | if (Err) | ||||||||
9330 | return std::move(Err); | ||||||||
9331 | Result.setAddrLabelDiff(cast<AddrLabelExpr>(ImpLHS), | ||||||||
9332 | cast<AddrLabelExpr>(ImpRHS)); | ||||||||
9333 | break; | ||||||||
9334 | } | ||||||||
9335 | case APValue::MemberPointer: { | ||||||||
9336 | const Decl *ImpMemPtrDecl = | ||||||||
9337 | importChecked(Err, FromValue.getMemberPointerDecl()); | ||||||||
9338 | if (Err) | ||||||||
9339 | return std::move(Err); | ||||||||
9340 | MutableArrayRef<const CXXRecordDecl *> ToPath = | ||||||||
9341 | Result.setMemberPointerUninit( | ||||||||
9342 | cast<const ValueDecl>(ImpMemPtrDecl), | ||||||||
9343 | FromValue.isMemberPointerToDerivedMember(), | ||||||||
9344 | FromValue.getMemberPointerPath().size()); | ||||||||
9345 | llvm::ArrayRef<const CXXRecordDecl *> FromPath = | ||||||||
9346 | Result.getMemberPointerPath(); | ||||||||
9347 | for (unsigned Idx = 0; Idx < FromValue.getMemberPointerPath().size(); | ||||||||
9348 | Idx++) { | ||||||||
9349 | const Decl *ImpDecl = importChecked(Err, FromPath[Idx]); | ||||||||
9350 | if (Err) | ||||||||
9351 | return std::move(Err); | ||||||||
9352 | ToPath[Idx] = cast<const CXXRecordDecl>(ImpDecl->getCanonicalDecl()); | ||||||||
9353 | } | ||||||||
9354 | break; | ||||||||
9355 | } | ||||||||
9356 | case APValue::LValue: | ||||||||
9357 | APValue::LValueBase Base; | ||||||||
9358 | QualType FromElemTy; | ||||||||
9359 | if (FromValue.getLValueBase()) { | ||||||||
9360 | assert(!FromValue.getLValueBase().is<DynamicAllocLValue>() &&(static_cast <bool> (!FromValue.getLValueBase().is<DynamicAllocLValue >() && "in C++20 dynamic allocation are transient so they shouldn't " "appear in the AST") ? void (0) : __assert_fail ("!FromValue.getLValueBase().is<DynamicAllocLValue>() && \"in C++20 dynamic allocation are transient so they shouldn't \" \"appear in the AST\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 9362, __extension__ __PRETTY_FUNCTION__)) | ||||||||
9361 | "in C++20 dynamic allocation are transient so they shouldn't "(static_cast <bool> (!FromValue.getLValueBase().is<DynamicAllocLValue >() && "in C++20 dynamic allocation are transient so they shouldn't " "appear in the AST") ? void (0) : __assert_fail ("!FromValue.getLValueBase().is<DynamicAllocLValue>() && \"in C++20 dynamic allocation are transient so they shouldn't \" \"appear in the AST\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 9362, __extension__ __PRETTY_FUNCTION__)) | ||||||||
9362 | "appear in the AST")(static_cast <bool> (!FromValue.getLValueBase().is<DynamicAllocLValue >() && "in C++20 dynamic allocation are transient so they shouldn't " "appear in the AST") ? void (0) : __assert_fail ("!FromValue.getLValueBase().is<DynamicAllocLValue>() && \"in C++20 dynamic allocation are transient so they shouldn't \" \"appear in the AST\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 9362, __extension__ __PRETTY_FUNCTION__)); | ||||||||
9363 | if (!FromValue.getLValueBase().is<TypeInfoLValue>()) { | ||||||||
9364 | if (const auto *E = | ||||||||
9365 | FromValue.getLValueBase().dyn_cast<const Expr *>()) { | ||||||||
9366 | FromElemTy = E->getType(); | ||||||||
9367 | const Expr *ImpExpr = importChecked(Err, E); | ||||||||
9368 | if (Err) | ||||||||
9369 | return std::move(Err); | ||||||||
9370 | Base = APValue::LValueBase(ImpExpr, | ||||||||
9371 | FromValue.getLValueBase().getCallIndex(), | ||||||||
9372 | FromValue.getLValueBase().getVersion()); | ||||||||
9373 | } else { | ||||||||
9374 | FromElemTy = | ||||||||
9375 | FromValue.getLValueBase().get<const ValueDecl *>()->getType(); | ||||||||
9376 | const Decl *ImpDecl = importChecked( | ||||||||
9377 | Err, FromValue.getLValueBase().get<const ValueDecl *>()); | ||||||||
9378 | if (Err) | ||||||||
9379 | return std::move(Err); | ||||||||
9380 | Base = APValue::LValueBase(cast<ValueDecl>(ImpDecl), | ||||||||
9381 | FromValue.getLValueBase().getCallIndex(), | ||||||||
9382 | FromValue.getLValueBase().getVersion()); | ||||||||
9383 | } | ||||||||
9384 | } else { | ||||||||
9385 | FromElemTy = FromValue.getLValueBase().getTypeInfoType(); | ||||||||
9386 | QualType ImpTypeInfo = importChecked( | ||||||||
9387 | Err, | ||||||||
9388 | QualType(FromValue.getLValueBase().get<TypeInfoLValue>().getType(), | ||||||||
9389 | 0)); | ||||||||
9390 | QualType ImpType = | ||||||||
9391 | importChecked(Err, FromValue.getLValueBase().getTypeInfoType()); | ||||||||
9392 | if (Err) | ||||||||
9393 | return std::move(Err); | ||||||||
9394 | Base = APValue::LValueBase::getTypeInfo( | ||||||||
9395 | TypeInfoLValue(ImpTypeInfo.getTypePtr()), ImpType); | ||||||||
9396 | } | ||||||||
9397 | } | ||||||||
9398 | CharUnits Offset = FromValue.getLValueOffset(); | ||||||||
9399 | unsigned PathLength = FromValue.getLValuePath().size(); | ||||||||
9400 | Result.MakeLValue(); | ||||||||
9401 | if (FromValue.hasLValuePath()) { | ||||||||
9402 | MutableArrayRef<APValue::LValuePathEntry> ToPath = Result.setLValueUninit( | ||||||||
9403 | Base, Offset, PathLength, FromValue.isLValueOnePastTheEnd(), | ||||||||
9404 | FromValue.isNullPointer()); | ||||||||
9405 | llvm::ArrayRef<APValue::LValuePathEntry> FromPath = | ||||||||
9406 | FromValue.getLValuePath(); | ||||||||
9407 | for (unsigned LoopIdx = 0; LoopIdx < PathLength; LoopIdx++) { | ||||||||
9408 | if (FromElemTy->isRecordType()) { | ||||||||
9409 | const Decl *FromDecl = | ||||||||
9410 | FromPath[LoopIdx].getAsBaseOrMember().getPointer(); | ||||||||
9411 | const Decl *ImpDecl = importChecked(Err, FromDecl); | ||||||||
9412 | if (Err) | ||||||||
9413 | return std::move(Err); | ||||||||
9414 | if (auto *RD = dyn_cast<CXXRecordDecl>(FromDecl)) | ||||||||
9415 | FromElemTy = Importer.FromContext.getRecordType(RD); | ||||||||
9416 | else | ||||||||
9417 | FromElemTy = cast<ValueDecl>(FromDecl)->getType(); | ||||||||
9418 | ToPath[LoopIdx] = APValue::LValuePathEntry(APValue::BaseOrMemberType( | ||||||||
9419 | ImpDecl, FromPath[LoopIdx].getAsBaseOrMember().getInt())); | ||||||||
9420 | } else { | ||||||||
9421 | FromElemTy = | ||||||||
9422 | Importer.FromContext.getAsArrayType(FromElemTy)->getElementType(); | ||||||||
9423 | ToPath[LoopIdx] = APValue::LValuePathEntry::ArrayIndex( | ||||||||
9424 | FromPath[LoopIdx].getAsArrayIndex()); | ||||||||
9425 | } | ||||||||
9426 | } | ||||||||
9427 | } else | ||||||||
9428 | Result.setLValue(Base, Offset, APValue::NoLValuePath{}, | ||||||||
9429 | FromValue.isNullPointer()); | ||||||||
9430 | } | ||||||||
9431 | if (Err) | ||||||||
9432 | return std::move(Err); | ||||||||
9433 | return Result; | ||||||||
9434 | } | ||||||||
9435 | |||||||||
9436 | Expected<DeclarationName> ASTImporter::HandleNameConflict(DeclarationName Name, | ||||||||
9437 | DeclContext *DC, | ||||||||
9438 | unsigned IDNS, | ||||||||
9439 | NamedDecl **Decls, | ||||||||
9440 | unsigned NumDecls) { | ||||||||
9441 | if (ODRHandling == ODRHandlingType::Conservative) | ||||||||
9442 | // Report error at any name conflict. | ||||||||
9443 | return make_error<ImportError>(ImportError::NameConflict); | ||||||||
9444 | else | ||||||||
9445 | // Allow to create the new Decl with the same name. | ||||||||
9446 | return Name; | ||||||||
9447 | } | ||||||||
9448 | |||||||||
9449 | DiagnosticBuilder ASTImporter::ToDiag(SourceLocation Loc, unsigned DiagID) { | ||||||||
9450 | if (LastDiagFromFrom) | ||||||||
9451 | ToContext.getDiagnostics().notePriorDiagnosticFrom( | ||||||||
9452 | FromContext.getDiagnostics()); | ||||||||
9453 | LastDiagFromFrom = false; | ||||||||
9454 | return ToContext.getDiagnostics().Report(Loc, DiagID); | ||||||||
9455 | } | ||||||||
9456 | |||||||||
9457 | DiagnosticBuilder ASTImporter::FromDiag(SourceLocation Loc, unsigned DiagID) { | ||||||||
9458 | if (!LastDiagFromFrom) | ||||||||
9459 | FromContext.getDiagnostics().notePriorDiagnosticFrom( | ||||||||
9460 | ToContext.getDiagnostics()); | ||||||||
9461 | LastDiagFromFrom = true; | ||||||||
9462 | return FromContext.getDiagnostics().Report(Loc, DiagID); | ||||||||
9463 | } | ||||||||
9464 | |||||||||
9465 | void ASTImporter::CompleteDecl (Decl *D) { | ||||||||
9466 | if (auto *ID = dyn_cast<ObjCInterfaceDecl>(D)) { | ||||||||
9467 | if (!ID->getDefinition()) | ||||||||
9468 | ID->startDefinition(); | ||||||||
9469 | } | ||||||||
9470 | else if (auto *PD = dyn_cast<ObjCProtocolDecl>(D)) { | ||||||||
9471 | if (!PD->getDefinition()) | ||||||||
9472 | PD->startDefinition(); | ||||||||
9473 | } | ||||||||
9474 | else if (auto *TD = dyn_cast<TagDecl>(D)) { | ||||||||
9475 | if (!TD->getDefinition() && !TD->isBeingDefined()) { | ||||||||
9476 | TD->startDefinition(); | ||||||||
9477 | TD->setCompleteDefinition(true); | ||||||||
9478 | } | ||||||||
9479 | } | ||||||||
9480 | else { | ||||||||
9481 | assert(0 && "CompleteDecl called on a Decl that can't be completed")(static_cast <bool> (0 && "CompleteDecl called on a Decl that can't be completed" ) ? void (0) : __assert_fail ("0 && \"CompleteDecl called on a Decl that can't be completed\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 9481, __extension__ __PRETTY_FUNCTION__)); | ||||||||
9482 | } | ||||||||
9483 | } | ||||||||
9484 | |||||||||
9485 | Decl *ASTImporter::MapImported(Decl *From, Decl *To) { | ||||||||
9486 | llvm::DenseMap<Decl *, Decl *>::iterator Pos = ImportedDecls.find(From); | ||||||||
9487 | assert((Pos == ImportedDecls.end() || Pos->second == To) &&(static_cast <bool> ((Pos == ImportedDecls.end() || Pos ->second == To) && "Try to import an already imported Decl" ) ? void (0) : __assert_fail ("(Pos == ImportedDecls.end() || Pos->second == To) && \"Try to import an already imported Decl\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 9488, __extension__ __PRETTY_FUNCTION__)) | ||||||||
9488 | "Try to import an already imported Decl")(static_cast <bool> ((Pos == ImportedDecls.end() || Pos ->second == To) && "Try to import an already imported Decl" ) ? void (0) : __assert_fail ("(Pos == ImportedDecls.end() || Pos->second == To) && \"Try to import an already imported Decl\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 9488, __extension__ __PRETTY_FUNCTION__)); | ||||||||
9489 | if (Pos != ImportedDecls.end()) | ||||||||
9490 | return Pos->second; | ||||||||
9491 | ImportedDecls[From] = To; | ||||||||
9492 | // This mapping should be maintained only in this function. Therefore do not | ||||||||
9493 | // check for additional consistency. | ||||||||
9494 | ImportedFromDecls[To] = From; | ||||||||
9495 | // In the case of TypedefNameDecl we create the Decl first and only then we | ||||||||
9496 | // import and set its DeclContext. So, the DC is still not set when we reach | ||||||||
9497 | // here from GetImportedOrCreateDecl. | ||||||||
9498 | if (To->getDeclContext()) | ||||||||
9499 | AddToLookupTable(To); | ||||||||
9500 | return To; | ||||||||
9501 | } | ||||||||
9502 | |||||||||
9503 | llvm::Optional<ImportError> | ||||||||
9504 | ASTImporter::getImportDeclErrorIfAny(Decl *FromD) const { | ||||||||
9505 | auto Pos = ImportDeclErrors.find(FromD); | ||||||||
9506 | if (Pos != ImportDeclErrors.end()) | ||||||||
9507 | return Pos->second; | ||||||||
9508 | else | ||||||||
9509 | return Optional<ImportError>(); | ||||||||
9510 | } | ||||||||
9511 | |||||||||
9512 | void ASTImporter::setImportDeclError(Decl *From, ImportError Error) { | ||||||||
9513 | auto InsertRes = ImportDeclErrors.insert({From, Error}); | ||||||||
9514 | (void)InsertRes; | ||||||||
9515 | // Either we set the error for the first time, or we already had set one and | ||||||||
9516 | // now we want to set the same error. | ||||||||
9517 | assert(InsertRes.second || InsertRes.first->second.Error == Error.Error)(static_cast <bool> (InsertRes.second || InsertRes.first ->second.Error == Error.Error) ? void (0) : __assert_fail ( "InsertRes.second || InsertRes.first->second.Error == Error.Error" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/lib/AST/ASTImporter.cpp" , 9517, __extension__ __PRETTY_FUNCTION__)); | ||||||||
9518 | } | ||||||||
9519 | |||||||||
9520 | bool ASTImporter::IsStructurallyEquivalent(QualType From, QualType To, | ||||||||
9521 | bool Complain) { | ||||||||
9522 | llvm::DenseMap<const Type *, const Type *>::iterator Pos = | ||||||||
9523 | ImportedTypes.find(From.getTypePtr()); | ||||||||
9524 | if (Pos != ImportedTypes.end()) { | ||||||||
9525 | if (ExpectedType ToFromOrErr = Import(From)) { | ||||||||
9526 | if (ToContext.hasSameType(*ToFromOrErr, To)) | ||||||||
9527 | return true; | ||||||||
9528 | } else { | ||||||||
9529 | llvm::consumeError(ToFromOrErr.takeError()); | ||||||||
9530 | } | ||||||||
9531 | } | ||||||||
9532 | |||||||||
9533 | StructuralEquivalenceContext Ctx(FromContext, ToContext, NonEquivalentDecls, | ||||||||
9534 | getStructuralEquivalenceKind(*this), false, | ||||||||
9535 | Complain); | ||||||||
9536 | return Ctx.IsEquivalent(From, To); | ||||||||
9537 | } |
1 | //===- DeclVisitor.h - Visitor for Decl subclasses --------------*- 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 | // |
9 | // This file defines the DeclVisitor interface. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #ifndef LLVM_CLANG_AST_DECLVISITOR_H |
14 | #define LLVM_CLANG_AST_DECLVISITOR_H |
15 | |
16 | #include "clang/AST/Decl.h" |
17 | #include "clang/AST/DeclBase.h" |
18 | #include "clang/AST/DeclCXX.h" |
19 | #include "clang/AST/DeclFriend.h" |
20 | #include "clang/AST/DeclObjC.h" |
21 | #include "clang/AST/DeclOpenMP.h" |
22 | #include "clang/AST/DeclTemplate.h" |
23 | #include "llvm/ADT/STLExtras.h" |
24 | #include "llvm/Support/ErrorHandling.h" |
25 | |
26 | namespace clang { |
27 | |
28 | namespace declvisitor { |
29 | /// A simple visitor class that helps create declaration visitors. |
30 | template<template <typename> class Ptr, typename ImplClass, typename RetTy=void> |
31 | class Base { |
32 | public: |
33 | #define PTR(CLASS) typename Ptr<CLASS>::type |
34 | #define DISPATCH(NAME, CLASS) \ |
35 | return static_cast<ImplClass*>(this)->Visit##NAME(static_cast<PTR(CLASS)>(D)) |
36 | |
37 | RetTy Visit(PTR(Decl) D) { |
38 | switch (D->getKind()) { |
39 | #define DECL(DERIVED, BASE) \ |
40 | case Decl::DERIVED: DISPATCH(DERIVED##Decl, DERIVED##Decl); |
41 | #define ABSTRACT_DECL(DECL) |
42 | #include "clang/AST/DeclNodes.inc" |
43 | } |
44 | llvm_unreachable("Decl that isn't part of DeclNodes.inc!")::llvm::llvm_unreachable_internal("Decl that isn't part of DeclNodes.inc!" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/clang/include/clang/AST/DeclVisitor.h" , 44); |
45 | } |
46 | |
47 | // If the implementation chooses not to implement a certain visit |
48 | // method, fall back to the parent. |
49 | #define DECL(DERIVED, BASE) \ |
50 | RetTy Visit##DERIVED##Decl(PTR(DERIVED##Decl) D) { DISPATCH(BASE, BASE); } |
51 | #include "clang/AST/DeclNodes.inc" |
52 | |
53 | RetTy VisitDecl(PTR(Decl) D) { return RetTy(); } |
54 | |
55 | #undef PTR |
56 | #undef DISPATCH |
57 | }; |
58 | |
59 | } // namespace declvisitor |
60 | |
61 | /// A simple visitor class that helps create declaration visitors. |
62 | /// |
63 | /// This class does not preserve constness of Decl pointers (see also |
64 | /// ConstDeclVisitor). |
65 | template <typename ImplClass, typename RetTy = void> |
66 | class DeclVisitor |
67 | : public declvisitor::Base<std::add_pointer, ImplClass, RetTy> {}; |
68 | |
69 | /// A simple visitor class that helps create declaration visitors. |
70 | /// |
71 | /// This class preserves constness of Decl pointers (see also DeclVisitor). |
72 | template <typename ImplClass, typename RetTy = void> |
73 | class ConstDeclVisitor |
74 | : public declvisitor::Base<llvm::make_const_ptr, ImplClass, RetTy> {}; |
75 | |
76 | } // namespace clang |
77 | |
78 | #endif // LLVM_CLANG_AST_DECLVISITOR_H |
1 | /*===- TableGen'erated file -------------------------------------*- C++ -*-===*\ |
2 | |* *| |
3 | |* List of AST nodes of a particular kind *| |
4 | |* *| |
5 | |* Automatically generated file, do not edit! *| |
6 | |* *| |
7 | \*===----------------------------------------------------------------------===*/ |
8 | |
9 | #ifndef ABSTRACT_DECL |
10 | # define ABSTRACT_DECL(Type) Type |
11 | #endif |
12 | #ifndef DECL_RANGE |
13 | # define DECL_RANGE(Base, First, Last) |
14 | #endif |
15 | |
16 | #ifndef LAST_DECL_RANGE |
17 | # define LAST_DECL_RANGE(Base, First, Last) DECL_RANGE(Base, First, Last) |
18 | #endif |
19 | |
20 | #ifndef ACCESSSPEC |
21 | # define ACCESSSPEC(Type, Base) DECL(Type, Base) |
22 | #endif |
23 | ACCESSSPEC(AccessSpec, Decl) |
24 | #undef ACCESSSPEC |
25 | |
26 | #ifndef BLOCK |
27 | # define BLOCK(Type, Base) DECL(Type, Base) |
28 | #endif |
29 | BLOCK(Block, Decl) |
30 | #undef BLOCK |
31 | |
32 | #ifndef CAPTURED |
33 | # define CAPTURED(Type, Base) DECL(Type, Base) |
34 | #endif |
35 | CAPTURED(Captured, Decl) |
36 | #undef CAPTURED |
37 | |
38 | #ifndef CLASSSCOPEFUNCTIONSPECIALIZATION |
39 | # define CLASSSCOPEFUNCTIONSPECIALIZATION(Type, Base) DECL(Type, Base) |
40 | #endif |
41 | CLASSSCOPEFUNCTIONSPECIALIZATION(ClassScopeFunctionSpecialization, Decl) |
42 | #undef CLASSSCOPEFUNCTIONSPECIALIZATION |
43 | |
44 | #ifndef EMPTY |
45 | # define EMPTY(Type, Base) DECL(Type, Base) |
46 | #endif |
47 | EMPTY(Empty, Decl) |
48 | #undef EMPTY |
49 | |
50 | #ifndef EXPORT |
51 | # define EXPORT(Type, Base) DECL(Type, Base) |
52 | #endif |
53 | EXPORT(Export, Decl) |
54 | #undef EXPORT |
55 | |
56 | #ifndef EXTERNCCONTEXT |
57 | # define EXTERNCCONTEXT(Type, Base) DECL(Type, Base) |
58 | #endif |
59 | EXTERNCCONTEXT(ExternCContext, Decl) |
60 | #undef EXTERNCCONTEXT |
61 | |
62 | #ifndef FILESCOPEASM |
63 | # define FILESCOPEASM(Type, Base) DECL(Type, Base) |
64 | #endif |
65 | FILESCOPEASM(FileScopeAsm, Decl) |
66 | #undef FILESCOPEASM |
67 | |
68 | #ifndef FRIEND |
69 | # define FRIEND(Type, Base) DECL(Type, Base) |
70 | #endif |
71 | FRIEND(Friend, Decl) |
72 | #undef FRIEND |
73 | |
74 | #ifndef FRIENDTEMPLATE |
75 | # define FRIENDTEMPLATE(Type, Base) DECL(Type, Base) |
76 | #endif |
77 | FRIENDTEMPLATE(FriendTemplate, Decl) |
78 | #undef FRIENDTEMPLATE |
79 | |
80 | #ifndef IMPORT |
81 | # define IMPORT(Type, Base) DECL(Type, Base) |
82 | #endif |
83 | IMPORT(Import, Decl) |
84 | #undef IMPORT |
85 | |
86 | #ifndef LIFETIMEEXTENDEDTEMPORARY |
87 | # define LIFETIMEEXTENDEDTEMPORARY(Type, Base) DECL(Type, Base) |
88 | #endif |
89 | LIFETIMEEXTENDEDTEMPORARY(LifetimeExtendedTemporary, Decl) |
90 | #undef LIFETIMEEXTENDEDTEMPORARY |
91 | |
92 | #ifndef LINKAGESPEC |
93 | # define LINKAGESPEC(Type, Base) DECL(Type, Base) |
94 | #endif |
95 | LINKAGESPEC(LinkageSpec, Decl) |
96 | #undef LINKAGESPEC |
97 | |
98 | #ifndef NAMED |
99 | # define NAMED(Type, Base) DECL(Type, Base) |
100 | #endif |
101 | ABSTRACT_DECL(NAMED(Named, Decl)) |
102 | #ifndef BASEUSING |
103 | # define BASEUSING(Type, Base) NAMED(Type, Base) |
104 | #endif |
105 | ABSTRACT_DECL(BASEUSING(BaseUsing, NamedDecl)) |
106 | #ifndef USING |
107 | # define USING(Type, Base) BASEUSING(Type, Base) |
108 | #endif |
109 | USING(Using, BaseUsingDecl) |
110 | #undef USING |
111 | |
112 | #ifndef USINGENUM |
113 | # define USINGENUM(Type, Base) BASEUSING(Type, Base) |
114 | #endif |
115 | USINGENUM(UsingEnum, BaseUsingDecl) |
116 | #undef USINGENUM |
117 | |
118 | DECL_RANGE(BaseUsing, Using, UsingEnum) |
119 | |
120 | #undef BASEUSING |
121 | |
122 | #ifndef LABEL |
123 | # define LABEL(Type, Base) NAMED(Type, Base) |
124 | #endif |
125 | LABEL(Label, NamedDecl) |
126 | #undef LABEL |
127 | |
128 | #ifndef NAMESPACE |
129 | # define NAMESPACE(Type, Base) NAMED(Type, Base) |
130 | #endif |
131 | NAMESPACE(Namespace, NamedDecl) |
132 | #undef NAMESPACE |
133 | |
134 | #ifndef NAMESPACEALIAS |
135 | # define NAMESPACEALIAS(Type, Base) NAMED(Type, Base) |
136 | #endif |
137 | NAMESPACEALIAS(NamespaceAlias, NamedDecl) |
138 | #undef NAMESPACEALIAS |
139 | |
140 | #ifndef OBJCCOMPATIBLEALIAS |
141 | # define OBJCCOMPATIBLEALIAS(Type, Base) NAMED(Type, Base) |
142 | #endif |
143 | OBJCCOMPATIBLEALIAS(ObjCCompatibleAlias, NamedDecl) |
144 | #undef OBJCCOMPATIBLEALIAS |
145 | |
146 | #ifndef OBJCCONTAINER |
147 | # define OBJCCONTAINER(Type, Base) NAMED(Type, Base) |
148 | #endif |
149 | ABSTRACT_DECL(OBJCCONTAINER(ObjCContainer, NamedDecl)) |
150 | #ifndef OBJCCATEGORY |
151 | # define OBJCCATEGORY(Type, Base) OBJCCONTAINER(Type, Base) |
152 | #endif |
153 | OBJCCATEGORY(ObjCCategory, ObjCContainerDecl) |
154 | #undef OBJCCATEGORY |
155 | |
156 | #ifndef OBJCIMPL |
157 | # define OBJCIMPL(Type, Base) OBJCCONTAINER(Type, Base) |
158 | #endif |
159 | ABSTRACT_DECL(OBJCIMPL(ObjCImpl, ObjCContainerDecl)) |
160 | #ifndef OBJCCATEGORYIMPL |
161 | # define OBJCCATEGORYIMPL(Type, Base) OBJCIMPL(Type, Base) |
162 | #endif |
163 | OBJCCATEGORYIMPL(ObjCCategoryImpl, ObjCImplDecl) |
164 | #undef OBJCCATEGORYIMPL |
165 | |
166 | #ifndef OBJCIMPLEMENTATION |
167 | # define OBJCIMPLEMENTATION(Type, Base) OBJCIMPL(Type, Base) |
168 | #endif |
169 | OBJCIMPLEMENTATION(ObjCImplementation, ObjCImplDecl) |
170 | #undef OBJCIMPLEMENTATION |
171 | |
172 | DECL_RANGE(ObjCImpl, ObjCCategoryImpl, ObjCImplementation) |
173 | |
174 | #undef OBJCIMPL |
175 | |
176 | #ifndef OBJCINTERFACE |
177 | # define OBJCINTERFACE(Type, Base) OBJCCONTAINER(Type, Base) |
178 | #endif |
179 | OBJCINTERFACE(ObjCInterface, ObjCContainerDecl) |
180 | #undef OBJCINTERFACE |
181 | |
182 | #ifndef OBJCPROTOCOL |
183 | # define OBJCPROTOCOL(Type, Base) OBJCCONTAINER(Type, Base) |
184 | #endif |
185 | OBJCPROTOCOL(ObjCProtocol, ObjCContainerDecl) |
186 | #undef OBJCPROTOCOL |
187 | |
188 | DECL_RANGE(ObjCContainer, ObjCCategory, ObjCProtocol) |
189 | |
190 | #undef OBJCCONTAINER |
191 | |
192 | #ifndef OBJCMETHOD |
193 | # define OBJCMETHOD(Type, Base) NAMED(Type, Base) |
194 | #endif |
195 | OBJCMETHOD(ObjCMethod, NamedDecl) |
196 | #undef OBJCMETHOD |
197 | |
198 | #ifndef OBJCPROPERTY |
199 | # define OBJCPROPERTY(Type, Base) NAMED(Type, Base) |
200 | #endif |
201 | OBJCPROPERTY(ObjCProperty, NamedDecl) |
202 | #undef OBJCPROPERTY |
203 | |
204 | #ifndef TEMPLATE |
205 | # define TEMPLATE(Type, Base) NAMED(Type, Base) |
206 | #endif |
207 | ABSTRACT_DECL(TEMPLATE(Template, NamedDecl)) |
208 | #ifndef BUILTINTEMPLATE |
209 | # define BUILTINTEMPLATE(Type, Base) TEMPLATE(Type, Base) |
210 | #endif |
211 | BUILTINTEMPLATE(BuiltinTemplate, TemplateDecl) |
212 | #undef BUILTINTEMPLATE |
213 | |
214 | #ifndef CONCEPT |
215 | # define CONCEPT(Type, Base) TEMPLATE(Type, Base) |
216 | #endif |
217 | CONCEPT(Concept, TemplateDecl) |
218 | #undef CONCEPT |
219 | |
220 | #ifndef REDECLARABLETEMPLATE |
221 | # define REDECLARABLETEMPLATE(Type, Base) TEMPLATE(Type, Base) |
222 | #endif |
223 | ABSTRACT_DECL(REDECLARABLETEMPLATE(RedeclarableTemplate, TemplateDecl)) |
224 | #ifndef CLASSTEMPLATE |
225 | # define CLASSTEMPLATE(Type, Base) REDECLARABLETEMPLATE(Type, Base) |
226 | #endif |
227 | CLASSTEMPLATE(ClassTemplate, RedeclarableTemplateDecl) |
228 | #undef CLASSTEMPLATE |
229 | |
230 | #ifndef FUNCTIONTEMPLATE |
231 | # define FUNCTIONTEMPLATE(Type, Base) REDECLARABLETEMPLATE(Type, Base) |
232 | #endif |
233 | FUNCTIONTEMPLATE(FunctionTemplate, RedeclarableTemplateDecl) |
234 | #undef FUNCTIONTEMPLATE |
235 | |
236 | #ifndef TYPEALIASTEMPLATE |
237 | # define TYPEALIASTEMPLATE(Type, Base) REDECLARABLETEMPLATE(Type, Base) |
238 | #endif |
239 | TYPEALIASTEMPLATE(TypeAliasTemplate, RedeclarableTemplateDecl) |
240 | #undef TYPEALIASTEMPLATE |
241 | |
242 | #ifndef VARTEMPLATE |
243 | # define VARTEMPLATE(Type, Base) REDECLARABLETEMPLATE(Type, Base) |
244 | #endif |
245 | VARTEMPLATE(VarTemplate, RedeclarableTemplateDecl) |
246 | #undef VARTEMPLATE |
247 | |
248 | DECL_RANGE(RedeclarableTemplate, ClassTemplate, VarTemplate) |
249 | |
250 | #undef REDECLARABLETEMPLATE |
251 | |
252 | #ifndef TEMPLATETEMPLATEPARM |
253 | # define TEMPLATETEMPLATEPARM(Type, Base) TEMPLATE(Type, Base) |
254 | #endif |
255 | TEMPLATETEMPLATEPARM(TemplateTemplateParm, TemplateDecl) |
256 | #undef TEMPLATETEMPLATEPARM |
257 | |
258 | DECL_RANGE(Template, BuiltinTemplate, TemplateTemplateParm) |
259 | |
260 | #undef TEMPLATE |
261 | |
262 | #ifndef TYPE |
263 | # define TYPE(Type, Base) NAMED(Type, Base) |
264 | #endif |
265 | ABSTRACT_DECL(TYPE(Type, NamedDecl)) |
266 | #ifndef TAG |
267 | # define TAG(Type, Base) TYPE(Type, Base) |
268 | #endif |
269 | ABSTRACT_DECL(TAG(Tag, TypeDecl)) |
270 | #ifndef ENUM |
271 | # define ENUM(Type, Base) TAG(Type, Base) |
272 | #endif |
273 | ENUM(Enum, TagDecl) |
274 | #undef ENUM |
275 | |
276 | #ifndef RECORD |
277 | # define RECORD(Type, Base) TAG(Type, Base) |
278 | #endif |
279 | RECORD(Record, TagDecl) |
280 | #ifndef CXXRECORD |
281 | # define CXXRECORD(Type, Base) RECORD(Type, Base) |
282 | #endif |
283 | CXXRECORD(CXXRecord, RecordDecl) |
284 | #ifndef CLASSTEMPLATESPECIALIZATION |
285 | # define CLASSTEMPLATESPECIALIZATION(Type, Base) CXXRECORD(Type, Base) |
286 | #endif |
287 | CLASSTEMPLATESPECIALIZATION(ClassTemplateSpecialization, CXXRecordDecl) |
288 | #ifndef CLASSTEMPLATEPARTIALSPECIALIZATION |
289 | # define CLASSTEMPLATEPARTIALSPECIALIZATION(Type, Base) CLASSTEMPLATESPECIALIZATION(Type, Base) |
290 | #endif |
291 | CLASSTEMPLATEPARTIALSPECIALIZATION(ClassTemplatePartialSpecialization, ClassTemplateSpecializationDecl) |
292 | #undef CLASSTEMPLATEPARTIALSPECIALIZATION |
293 | |
294 | DECL_RANGE(ClassTemplateSpecialization, ClassTemplateSpecialization, ClassTemplatePartialSpecialization) |
295 | |
296 | #undef CLASSTEMPLATESPECIALIZATION |
297 | |
298 | DECL_RANGE(CXXRecord, CXXRecord, ClassTemplatePartialSpecialization) |
299 | |
300 | #undef CXXRECORD |
301 | |
302 | DECL_RANGE(Record, Record, ClassTemplatePartialSpecialization) |
303 | |
304 | #undef RECORD |
305 | |
306 | DECL_RANGE(Tag, Enum, ClassTemplatePartialSpecialization) |
307 | |
308 | #undef TAG |
309 | |
310 | #ifndef TEMPLATETYPEPARM |
311 | # define TEMPLATETYPEPARM(Type, Base) TYPE(Type, Base) |
312 | #endif |
313 | TEMPLATETYPEPARM(TemplateTypeParm, TypeDecl) |
314 | #undef TEMPLATETYPEPARM |
315 | |
316 | #ifndef TYPEDEFNAME |
317 | # define TYPEDEFNAME(Type, Base) TYPE(Type, Base) |
318 | #endif |
319 | ABSTRACT_DECL(TYPEDEFNAME(TypedefName, TypeDecl)) |
320 | #ifndef OBJCTYPEPARAM |
321 | # define OBJCTYPEPARAM(Type, Base) TYPEDEFNAME(Type, Base) |
322 | #endif |
323 | OBJCTYPEPARAM(ObjCTypeParam, TypedefNameDecl) |
324 | #undef OBJCTYPEPARAM |
325 | |
326 | #ifndef TYPEALIAS |
327 | # define TYPEALIAS(Type, Base) TYPEDEFNAME(Type, Base) |
328 | #endif |
329 | TYPEALIAS(TypeAlias, TypedefNameDecl) |
330 | #undef TYPEALIAS |
331 | |
332 | #ifndef TYPEDEF |
333 | # define TYPEDEF(Type, Base) TYPEDEFNAME(Type, Base) |
334 | #endif |
335 | TYPEDEF(Typedef, TypedefNameDecl) |
336 | #undef TYPEDEF |
337 | |
338 | DECL_RANGE(TypedefName, ObjCTypeParam, Typedef) |
339 | |
340 | #undef TYPEDEFNAME |
341 | |
342 | #ifndef UNRESOLVEDUSINGTYPENAME |
343 | # define UNRESOLVEDUSINGTYPENAME(Type, Base) TYPE(Type, Base) |
344 | #endif |
345 | UNRESOLVEDUSINGTYPENAME(UnresolvedUsingTypename, TypeDecl) |
346 | #undef UNRESOLVEDUSINGTYPENAME |
347 | |
348 | DECL_RANGE(Type, Enum, UnresolvedUsingTypename) |
349 | |
350 | #undef TYPE |
351 | |
352 | #ifndef UNRESOLVEDUSINGIFEXISTS |
353 | # define UNRESOLVEDUSINGIFEXISTS(Type, Base) NAMED(Type, Base) |
354 | #endif |
355 | UNRESOLVEDUSINGIFEXISTS(UnresolvedUsingIfExists, NamedDecl) |
356 | #undef UNRESOLVEDUSINGIFEXISTS |
357 | |
358 | #ifndef USINGDIRECTIVE |
359 | # define USINGDIRECTIVE(Type, Base) NAMED(Type, Base) |
360 | #endif |
361 | USINGDIRECTIVE(UsingDirective, NamedDecl) |
362 | #undef USINGDIRECTIVE |
363 | |
364 | #ifndef USINGPACK |
365 | # define USINGPACK(Type, Base) NAMED(Type, Base) |
366 | #endif |
367 | USINGPACK(UsingPack, NamedDecl) |
368 | #undef USINGPACK |
369 | |
370 | #ifndef USINGSHADOW |
371 | # define USINGSHADOW(Type, Base) NAMED(Type, Base) |
372 | #endif |
373 | USINGSHADOW(UsingShadow, NamedDecl) |
374 | #ifndef CONSTRUCTORUSINGSHADOW |
375 | # define CONSTRUCTORUSINGSHADOW(Type, Base) USINGSHADOW(Type, Base) |
376 | #endif |
377 | CONSTRUCTORUSINGSHADOW(ConstructorUsingShadow, UsingShadowDecl) |
378 | #undef CONSTRUCTORUSINGSHADOW |
379 | |
380 | DECL_RANGE(UsingShadow, UsingShadow, ConstructorUsingShadow) |
381 | |
382 | #undef USINGSHADOW |
383 | |
384 | #ifndef VALUE |
385 | # define VALUE(Type, Base) NAMED(Type, Base) |
386 | #endif |
387 | ABSTRACT_DECL(VALUE(Value, NamedDecl)) |
388 | #ifndef BINDING |
389 | # define BINDING(Type, Base) VALUE(Type, Base) |
390 | #endif |
391 | BINDING(Binding, ValueDecl) |
392 | #undef BINDING |
393 | |
394 | #ifndef DECLARATOR |
395 | # define DECLARATOR(Type, Base) VALUE(Type, Base) |
396 | #endif |
397 | ABSTRACT_DECL(DECLARATOR(Declarator, ValueDecl)) |
398 | #ifndef FIELD |
399 | # define FIELD(Type, Base) DECLARATOR(Type, Base) |
400 | #endif |
401 | FIELD(Field, DeclaratorDecl) |
402 | #ifndef OBJCATDEFSFIELD |
403 | # define OBJCATDEFSFIELD(Type, Base) FIELD(Type, Base) |
404 | #endif |
405 | OBJCATDEFSFIELD(ObjCAtDefsField, FieldDecl) |
406 | #undef OBJCATDEFSFIELD |
407 | |
408 | #ifndef OBJCIVAR |
409 | # define OBJCIVAR(Type, Base) FIELD(Type, Base) |
410 | #endif |
411 | OBJCIVAR(ObjCIvar, FieldDecl) |
412 | #undef OBJCIVAR |
413 | |
414 | DECL_RANGE(Field, Field, ObjCIvar) |
415 | |
416 | #undef FIELD |
417 | |
418 | #ifndef FUNCTION |
419 | # define FUNCTION(Type, Base) DECLARATOR(Type, Base) |
420 | #endif |
421 | FUNCTION(Function, DeclaratorDecl) |
422 | #ifndef CXXDEDUCTIONGUIDE |
423 | # define CXXDEDUCTIONGUIDE(Type, Base) FUNCTION(Type, Base) |
424 | #endif |
425 | CXXDEDUCTIONGUIDE(CXXDeductionGuide, FunctionDecl) |
426 | #undef CXXDEDUCTIONGUIDE |
427 | |
428 | #ifndef CXXMETHOD |
429 | # define CXXMETHOD(Type, Base) FUNCTION(Type, Base) |
430 | #endif |
431 | CXXMETHOD(CXXMethod, FunctionDecl) |
432 | #ifndef CXXCONSTRUCTOR |
433 | # define CXXCONSTRUCTOR(Type, Base) CXXMETHOD(Type, Base) |
434 | #endif |
435 | CXXCONSTRUCTOR(CXXConstructor, CXXMethodDecl) |
436 | #undef CXXCONSTRUCTOR |
437 | |
438 | #ifndef CXXCONVERSION |
439 | # define CXXCONVERSION(Type, Base) CXXMETHOD(Type, Base) |
440 | #endif |
441 | CXXCONVERSION(CXXConversion, CXXMethodDecl) |
442 | #undef CXXCONVERSION |
443 | |
444 | #ifndef CXXDESTRUCTOR |
445 | # define CXXDESTRUCTOR(Type, Base) CXXMETHOD(Type, Base) |
446 | #endif |
447 | CXXDESTRUCTOR(CXXDestructor, CXXMethodDecl) |
448 | #undef CXXDESTRUCTOR |
449 | |
450 | DECL_RANGE(CXXMethod, CXXMethod, CXXDestructor) |
451 | |
452 | #undef CXXMETHOD |
453 | |
454 | DECL_RANGE(Function, Function, CXXDestructor) |
455 | |
456 | #undef FUNCTION |
457 | |
458 | #ifndef MSPROPERTY |
459 | # define MSPROPERTY(Type, Base) DECLARATOR(Type, Base) |
460 | #endif |
461 | MSPROPERTY(MSProperty, DeclaratorDecl) |
462 | #undef MSPROPERTY |
463 | |
464 | #ifndef NONTYPETEMPLATEPARM |
465 | # define NONTYPETEMPLATEPARM(Type, Base) DECLARATOR(Type, Base) |
466 | #endif |
467 | NONTYPETEMPLATEPARM(NonTypeTemplateParm, DeclaratorDecl) |
468 | #undef NONTYPETEMPLATEPARM |
469 | |
470 | #ifndef VAR |
471 | # define VAR(Type, Base) DECLARATOR(Type, Base) |
472 | #endif |
473 | VAR(Var, DeclaratorDecl) |
474 | #ifndef DECOMPOSITION |
475 | # define DECOMPOSITION(Type, Base) VAR(Type, Base) |
476 | #endif |
477 | DECOMPOSITION(Decomposition, VarDecl) |
478 | #undef DECOMPOSITION |
479 | |
480 | #ifndef IMPLICITPARAM |
481 | # define IMPLICITPARAM(Type, Base) VAR(Type, Base) |
482 | #endif |
483 | IMPLICITPARAM(ImplicitParam, VarDecl) |
484 | #undef IMPLICITPARAM |
485 | |
486 | #ifndef OMPCAPTUREDEXPR |
487 | # define OMPCAPTUREDEXPR(Type, Base) VAR(Type, Base) |
488 | #endif |
489 | OMPCAPTUREDEXPR(OMPCapturedExpr, VarDecl) |
490 | #undef OMPCAPTUREDEXPR |
491 | |
492 | #ifndef PARMVAR |
493 | # define PARMVAR(Type, Base) VAR(Type, Base) |
494 | #endif |
495 | PARMVAR(ParmVar, VarDecl) |
496 | #undef PARMVAR |
497 | |
498 | #ifndef VARTEMPLATESPECIALIZATION |
499 | # define VARTEMPLATESPECIALIZATION(Type, Base) VAR(Type, Base) |
500 | #endif |
501 | VARTEMPLATESPECIALIZATION(VarTemplateSpecialization, VarDecl) |
502 | #ifndef VARTEMPLATEPARTIALSPECIALIZATION |
503 | # define VARTEMPLATEPARTIALSPECIALIZATION(Type, Base) VARTEMPLATESPECIALIZATION(Type, Base) |
504 | #endif |
505 | VARTEMPLATEPARTIALSPECIALIZATION(VarTemplatePartialSpecialization, VarTemplateSpecializationDecl) |
506 | #undef VARTEMPLATEPARTIALSPECIALIZATION |
507 | |
508 | DECL_RANGE(VarTemplateSpecialization, VarTemplateSpecialization, VarTemplatePartialSpecialization) |
509 | |
510 | #undef VARTEMPLATESPECIALIZATION |
511 | |
512 | DECL_RANGE(Var, Var, VarTemplatePartialSpecialization) |
513 | |
514 | #undef VAR |
515 | |
516 | DECL_RANGE(Declarator, Field, VarTemplatePartialSpecialization) |
517 | |
518 | #undef DECLARATOR |
519 | |
520 | #ifndef ENUMCONSTANT |
521 | # define ENUMCONSTANT(Type, Base) VALUE(Type, Base) |
522 | #endif |
523 | ENUMCONSTANT(EnumConstant, ValueDecl) |
524 | #undef ENUMCONSTANT |
525 | |
526 | #ifndef INDIRECTFIELD |
527 | # define INDIRECTFIELD(Type, Base) VALUE(Type, Base) |
528 | #endif |
529 | INDIRECTFIELD(IndirectField, ValueDecl) |
530 | #undef INDIRECTFIELD |
531 | |
532 | #ifndef MSGUID |
533 | # define MSGUID(Type, Base) VALUE(Type, Base) |
534 | #endif |
535 | MSGUID(MSGuid, ValueDecl) |
536 | #undef MSGUID |
537 | |
538 | #ifndef OMPDECLAREMAPPER |
539 | # define OMPDECLAREMAPPER(Type, Base) VALUE(Type, Base) |
540 | #endif |
541 | OMPDECLAREMAPPER(OMPDeclareMapper, ValueDecl) |
542 | #undef OMPDECLAREMAPPER |
543 | |
544 | #ifndef OMPDECLAREREDUCTION |
545 | # define OMPDECLAREREDUCTION(Type, Base) VALUE(Type, Base) |
546 | #endif |
547 | OMPDECLAREREDUCTION(OMPDeclareReduction, ValueDecl) |
548 | #undef OMPDECLAREREDUCTION |
549 | |
550 | #ifndef TEMPLATEPARAMOBJECT |
551 | # define TEMPLATEPARAMOBJECT(Type, Base) VALUE(Type, Base) |
552 | #endif |
553 | TEMPLATEPARAMOBJECT(TemplateParamObject, ValueDecl) |
554 | #undef TEMPLATEPARAMOBJECT |
555 | |
556 | #ifndef UNRESOLVEDUSINGVALUE |
557 | # define UNRESOLVEDUSINGVALUE(Type, Base) VALUE(Type, Base) |
558 | #endif |
559 | UNRESOLVEDUSINGVALUE(UnresolvedUsingValue, ValueDecl) |
560 | #undef UNRESOLVEDUSINGVALUE |
561 | |
562 | DECL_RANGE(Value, Binding, UnresolvedUsingValue) |
563 | |
564 | #undef VALUE |
565 | |
566 | DECL_RANGE(Named, Using, UnresolvedUsingValue) |
567 | |
568 | #undef NAMED |
569 | |
570 | #ifndef OMPALLOCATE |
571 | # define OMPALLOCATE(Type, Base) DECL(Type, Base) |
572 | #endif |
573 | OMPALLOCATE(OMPAllocate, Decl) |
574 | #undef OMPALLOCATE |
575 | |
576 | #ifndef OMPREQUIRES |
577 | # define OMPREQUIRES(Type, Base) DECL(Type, Base) |
578 | #endif |
579 | OMPREQUIRES(OMPRequires, Decl) |
580 | #undef OMPREQUIRES |
581 | |
582 | #ifndef OMPTHREADPRIVATE |
583 | # define OMPTHREADPRIVATE(Type, Base) DECL(Type, Base) |
584 | #endif |
585 | OMPTHREADPRIVATE(OMPThreadPrivate, Decl) |
586 | #undef OMPTHREADPRIVATE |
587 | |
588 | #ifndef OBJCPROPERTYIMPL |
589 | # define OBJCPROPERTYIMPL(Type, Base) DECL(Type, Base) |
590 | #endif |
591 | OBJCPROPERTYIMPL(ObjCPropertyImpl, Decl) |
592 | #undef OBJCPROPERTYIMPL |
593 | |
594 | #ifndef PRAGMACOMMENT |
595 | # define PRAGMACOMMENT(Type, Base) DECL(Type, Base) |
596 | #endif |
597 | PRAGMACOMMENT(PragmaComment, Decl) |
598 | #undef PRAGMACOMMENT |
599 | |
600 | #ifndef PRAGMADETECTMISMATCH |
601 | # define PRAGMADETECTMISMATCH(Type, Base) DECL(Type, Base) |
602 | #endif |
603 | PRAGMADETECTMISMATCH(PragmaDetectMismatch, Decl) |
604 | #undef PRAGMADETECTMISMATCH |
605 | |
606 | #ifndef REQUIRESEXPRBODY |
607 | # define REQUIRESEXPRBODY(Type, Base) DECL(Type, Base) |
608 | #endif |
609 | REQUIRESEXPRBODY(RequiresExprBody, Decl) |
610 | #undef REQUIRESEXPRBODY |
611 | |
612 | #ifndef STATICASSERT |
613 | # define STATICASSERT(Type, Base) DECL(Type, Base) |
614 | #endif |
615 | STATICASSERT(StaticAssert, Decl) |
616 | #undef STATICASSERT |
617 | |
618 | #ifndef TRANSLATIONUNIT |
619 | # define TRANSLATIONUNIT(Type, Base) DECL(Type, Base) |
620 | #endif |
621 | TRANSLATIONUNIT(TranslationUnit, Decl) |
622 | #undef TRANSLATIONUNIT |
623 | |
624 | LAST_DECL_RANGE(Decl, AccessSpec, TranslationUnit) |
625 | |
626 | #undef DECL |
627 | #undef DECL_RANGE |
628 | #undef LAST_DECL_RANGE |
629 | #undef ABSTRACT_DECL |
630 | /*===- TableGen'erated file -------------------------------------*- C++ -*-===*\ |
631 | |* *| |
632 | |* List of AST Decl nodes *| |
633 | |* *| |
634 | |* Automatically generated file, do not edit! *| |
635 | |* *| |
636 | \*===----------------------------------------------------------------------===*/ |
637 | |
638 | #ifndef DECL_CONTEXT |
639 | # define DECL_CONTEXT(DECL) |
640 | #endif |
641 | #ifndef DECL_CONTEXT_BASE |
642 | # define DECL_CONTEXT_BASE(DECL) DECL_CONTEXT(DECL) |
643 | #endif |
644 | DECL_CONTEXT_BASE(Function) |
645 | DECL_CONTEXT_BASE(Tag) |
646 | DECL_CONTEXT_BASE(ObjCContainer) |
647 | DECL_CONTEXT(Block) |
648 | DECL_CONTEXT(Captured) |
649 | DECL_CONTEXT(Export) |
650 | DECL_CONTEXT(ExternCContext) |
651 | DECL_CONTEXT(LinkageSpec) |
652 | DECL_CONTEXT(Namespace) |
653 | DECL_CONTEXT(OMPDeclareMapper) |
654 | DECL_CONTEXT(OMPDeclareReduction) |
655 | DECL_CONTEXT(ObjCMethod) |
656 | DECL_CONTEXT(RequiresExprBody) |
657 | DECL_CONTEXT(TranslationUnit) |
658 | #undef DECL_CONTEXT |
659 | #undef DECL_CONTEXT_BASE |
1 | //===- llvm/Support/Error.h - Recoverable error handling --------*- 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 | // |
9 | // This file defines an API used to report recoverable errors. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #ifndef LLVM_SUPPORT_ERROR_H |
14 | #define LLVM_SUPPORT_ERROR_H |
15 | |
16 | #include "llvm-c/Error.h" |
17 | #include "llvm/ADT/STLExtras.h" |
18 | #include "llvm/ADT/SmallVector.h" |
19 | #include "llvm/ADT/StringExtras.h" |
20 | #include "llvm/ADT/Twine.h" |
21 | #include "llvm/Config/abi-breaking.h" |
22 | #include "llvm/Support/AlignOf.h" |
23 | #include "llvm/Support/Compiler.h" |
24 | #include "llvm/Support/Debug.h" |
25 | #include "llvm/Support/ErrorHandling.h" |
26 | #include "llvm/Support/ErrorOr.h" |
27 | #include "llvm/Support/Format.h" |
28 | #include "llvm/Support/raw_ostream.h" |
29 | #include <algorithm> |
30 | #include <cassert> |
31 | #include <cstdint> |
32 | #include <cstdlib> |
33 | #include <functional> |
34 | #include <memory> |
35 | #include <new> |
36 | #include <string> |
37 | #include <system_error> |
38 | #include <type_traits> |
39 | #include <utility> |
40 | #include <vector> |
41 | |
42 | namespace llvm { |
43 | |
44 | class ErrorSuccess; |
45 | |
46 | /// Base class for error info classes. Do not extend this directly: Extend |
47 | /// the ErrorInfo template subclass instead. |
48 | class ErrorInfoBase { |
49 | public: |
50 | virtual ~ErrorInfoBase() = default; |
51 | |
52 | /// Print an error message to an output stream. |
53 | virtual void log(raw_ostream &OS) const = 0; |
54 | |
55 | /// Return the error message as a string. |
56 | virtual std::string message() const { |
57 | std::string Msg; |
58 | raw_string_ostream OS(Msg); |
59 | log(OS); |
60 | return OS.str(); |
61 | } |
62 | |
63 | /// Convert this error to a std::error_code. |
64 | /// |
65 | /// This is a temporary crutch to enable interaction with code still |
66 | /// using std::error_code. It will be removed in the future. |
67 | virtual std::error_code convertToErrorCode() const = 0; |
68 | |
69 | // Returns the class ID for this type. |
70 | static const void *classID() { return &ID; } |
71 | |
72 | // Returns the class ID for the dynamic type of this ErrorInfoBase instance. |
73 | virtual const void *dynamicClassID() const = 0; |
74 | |
75 | // Check whether this instance is a subclass of the class identified by |
76 | // ClassID. |
77 | virtual bool isA(const void *const ClassID) const { |
78 | return ClassID == classID(); |
79 | } |
80 | |
81 | // Check whether this instance is a subclass of ErrorInfoT. |
82 | template <typename ErrorInfoT> bool isA() const { |
83 | return isA(ErrorInfoT::classID()); |
84 | } |
85 | |
86 | private: |
87 | virtual void anchor(); |
88 | |
89 | static char ID; |
90 | }; |
91 | |
92 | /// Lightweight error class with error context and mandatory checking. |
93 | /// |
94 | /// Instances of this class wrap a ErrorInfoBase pointer. Failure states |
95 | /// are represented by setting the pointer to a ErrorInfoBase subclass |
96 | /// instance containing information describing the failure. Success is |
97 | /// represented by a null pointer value. |
98 | /// |
99 | /// Instances of Error also contains a 'Checked' flag, which must be set |
100 | /// before the destructor is called, otherwise the destructor will trigger a |
101 | /// runtime error. This enforces at runtime the requirement that all Error |
102 | /// instances be checked or returned to the caller. |
103 | /// |
104 | /// There are two ways to set the checked flag, depending on what state the |
105 | /// Error instance is in. For Error instances indicating success, it |
106 | /// is sufficient to invoke the boolean conversion operator. E.g.: |
107 | /// |
108 | /// @code{.cpp} |
109 | /// Error foo(<...>); |
110 | /// |
111 | /// if (auto E = foo(<...>)) |
112 | /// return E; // <- Return E if it is in the error state. |
113 | /// // We have verified that E was in the success state. It can now be safely |
114 | /// // destroyed. |
115 | /// @endcode |
116 | /// |
117 | /// A success value *can not* be dropped. For example, just calling 'foo(<...>)' |
118 | /// without testing the return value will raise a runtime error, even if foo |
119 | /// returns success. |
120 | /// |
121 | /// For Error instances representing failure, you must use either the |
122 | /// handleErrors or handleAllErrors function with a typed handler. E.g.: |
123 | /// |
124 | /// @code{.cpp} |
125 | /// class MyErrorInfo : public ErrorInfo<MyErrorInfo> { |
126 | /// // Custom error info. |
127 | /// }; |
128 | /// |
129 | /// Error foo(<...>) { return make_error<MyErrorInfo>(...); } |
130 | /// |
131 | /// auto E = foo(<...>); // <- foo returns failure with MyErrorInfo. |
132 | /// auto NewE = |
133 | /// handleErrors(E, |
134 | /// [](const MyErrorInfo &M) { |
135 | /// // Deal with the error. |
136 | /// }, |
137 | /// [](std::unique_ptr<OtherError> M) -> Error { |
138 | /// if (canHandle(*M)) { |
139 | /// // handle error. |
140 | /// return Error::success(); |
141 | /// } |
142 | /// // Couldn't handle this error instance. Pass it up the stack. |
143 | /// return Error(std::move(M)); |
144 | /// ); |
145 | /// // Note - we must check or return NewE in case any of the handlers |
146 | /// // returned a new error. |
147 | /// @endcode |
148 | /// |
149 | /// The handleAllErrors function is identical to handleErrors, except |
150 | /// that it has a void return type, and requires all errors to be handled and |
151 | /// no new errors be returned. It prevents errors (assuming they can all be |
152 | /// handled) from having to be bubbled all the way to the top-level. |
153 | /// |
154 | /// *All* Error instances must be checked before destruction, even if |
155 | /// they're moved-assigned or constructed from Success values that have already |
156 | /// been checked. This enforces checking through all levels of the call stack. |
157 | class LLVM_NODISCARD[[clang::warn_unused_result]] Error { |
158 | // ErrorList needs to be able to yank ErrorInfoBase pointers out of Errors |
159 | // to add to the error list. It can't rely on handleErrors for this, since |
160 | // handleErrors does not support ErrorList handlers. |
161 | friend class ErrorList; |
162 | |
163 | // handleErrors needs to be able to set the Checked flag. |
164 | template <typename... HandlerTs> |
165 | friend Error handleErrors(Error E, HandlerTs &&... Handlers); |
166 | |
167 | // Expected<T> needs to be able to steal the payload when constructed from an |
168 | // error. |
169 | template <typename T> friend class Expected; |
170 | |
171 | // wrap needs to be able to steal the payload. |
172 | friend LLVMErrorRef wrap(Error); |
173 | |
174 | protected: |
175 | /// Create a success value. Prefer using 'Error::success()' for readability |
176 | Error() { |
177 | setPtr(nullptr); |
178 | setChecked(false); |
179 | } |
180 | |
181 | public: |
182 | /// Create a success value. |
183 | static ErrorSuccess success(); |
184 | |
185 | // Errors are not copy-constructable. |
186 | Error(const Error &Other) = delete; |
187 | |
188 | /// Move-construct an error value. The newly constructed error is considered |
189 | /// unchecked, even if the source error had been checked. The original error |
190 | /// becomes a checked Success value, regardless of its original state. |
191 | Error(Error &&Other) { |
192 | setChecked(true); |
193 | *this = std::move(Other); |
194 | } |
195 | |
196 | /// Create an error value. Prefer using the 'make_error' function, but |
197 | /// this constructor can be useful when "re-throwing" errors from handlers. |
198 | Error(std::unique_ptr<ErrorInfoBase> Payload) { |
199 | setPtr(Payload.release()); |
200 | setChecked(false); |
201 | } |
202 | |
203 | // Errors are not copy-assignable. |
204 | Error &operator=(const Error &Other) = delete; |
205 | |
206 | /// Move-assign an error value. The current error must represent success, you |
207 | /// you cannot overwrite an unhandled error. The current error is then |
208 | /// considered unchecked. The source error becomes a checked success value, |
209 | /// regardless of its original state. |
210 | Error &operator=(Error &&Other) { |
211 | // Don't allow overwriting of unchecked values. |
212 | assertIsChecked(); |
213 | setPtr(Other.getPtr()); |
214 | |
215 | // This Error is unchecked, even if the source error was checked. |
216 | setChecked(false); |
217 | |
218 | // Null out Other's payload and set its checked bit. |
219 | Other.setPtr(nullptr); |
220 | Other.setChecked(true); |
221 | |
222 | return *this; |
223 | } |
224 | |
225 | /// Destroy a Error. Fails with a call to abort() if the error is |
226 | /// unchecked. |
227 | ~Error() { |
228 | assertIsChecked(); |
229 | delete getPtr(); |
230 | } |
231 | |
232 | /// Bool conversion. Returns true if this Error is in a failure state, |
233 | /// and false if it is in an accept state. If the error is in a Success state |
234 | /// it will be considered checked. |
235 | explicit operator bool() { |
236 | setChecked(getPtr() == nullptr); |
237 | return getPtr() != nullptr; |
238 | } |
239 | |
240 | /// Check whether one error is a subclass of another. |
241 | template <typename ErrT> bool isA() const { |
242 | return getPtr() && getPtr()->isA(ErrT::classID()); |
243 | } |
244 | |
245 | /// Returns the dynamic class id of this error, or null if this is a success |
246 | /// value. |
247 | const void* dynamicClassID() const { |
248 | if (!getPtr()) |
249 | return nullptr; |
250 | return getPtr()->dynamicClassID(); |
251 | } |
252 | |
253 | private: |
254 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
255 | // assertIsChecked() happens very frequently, but under normal circumstances |
256 | // is supposed to be a no-op. So we want it to be inlined, but having a bunch |
257 | // of debug prints can cause the function to be too large for inlining. So |
258 | // it's important that we define this function out of line so that it can't be |
259 | // inlined. |
260 | [[noreturn]] void fatalUncheckedError() const; |
261 | #endif |
262 | |
263 | void assertIsChecked() { |
264 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
265 | if (LLVM_UNLIKELY(!getChecked() || getPtr())__builtin_expect((bool)(!getChecked() || getPtr()), false)) |
266 | fatalUncheckedError(); |
267 | #endif |
268 | } |
269 | |
270 | ErrorInfoBase *getPtr() const { |
271 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
272 | return reinterpret_cast<ErrorInfoBase*>( |
273 | reinterpret_cast<uintptr_t>(Payload) & |
274 | ~static_cast<uintptr_t>(0x1)); |
275 | #else |
276 | return Payload; |
277 | #endif |
278 | } |
279 | |
280 | void setPtr(ErrorInfoBase *EI) { |
281 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
282 | Payload = reinterpret_cast<ErrorInfoBase*>( |
283 | (reinterpret_cast<uintptr_t>(EI) & |
284 | ~static_cast<uintptr_t>(0x1)) | |
285 | (reinterpret_cast<uintptr_t>(Payload) & 0x1)); |
286 | #else |
287 | Payload = EI; |
288 | #endif |
289 | } |
290 | |
291 | bool getChecked() const { |
292 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
293 | return (reinterpret_cast<uintptr_t>(Payload) & 0x1) == 0; |
294 | #else |
295 | return true; |
296 | #endif |
297 | } |
298 | |
299 | void setChecked(bool V) { |
300 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
301 | Payload = reinterpret_cast<ErrorInfoBase*>( |
302 | (reinterpret_cast<uintptr_t>(Payload) & |
303 | ~static_cast<uintptr_t>(0x1)) | |
304 | (V ? 0 : 1)); |
305 | #endif |
306 | } |
307 | |
308 | std::unique_ptr<ErrorInfoBase> takePayload() { |
309 | std::unique_ptr<ErrorInfoBase> Tmp(getPtr()); |
310 | setPtr(nullptr); |
311 | setChecked(true); |
312 | return Tmp; |
313 | } |
314 | |
315 | friend raw_ostream &operator<<(raw_ostream &OS, const Error &E) { |
316 | if (auto P = E.getPtr()) |
317 | P->log(OS); |
318 | else |
319 | OS << "success"; |
320 | return OS; |
321 | } |
322 | |
323 | ErrorInfoBase *Payload = nullptr; |
324 | }; |
325 | |
326 | /// Subclass of Error for the sole purpose of identifying the success path in |
327 | /// the type system. This allows to catch invalid conversion to Expected<T> at |
328 | /// compile time. |
329 | class ErrorSuccess final : public Error {}; |
330 | |
331 | inline ErrorSuccess Error::success() { return ErrorSuccess(); } |
332 | |
333 | /// Make a Error instance representing failure using the given error info |
334 | /// type. |
335 | template <typename ErrT, typename... ArgTs> Error make_error(ArgTs &&... Args) { |
336 | return Error(std::make_unique<ErrT>(std::forward<ArgTs>(Args)...)); |
337 | } |
338 | |
339 | /// Base class for user error types. Users should declare their error types |
340 | /// like: |
341 | /// |
342 | /// class MyError : public ErrorInfo<MyError> { |
343 | /// .... |
344 | /// }; |
345 | /// |
346 | /// This class provides an implementation of the ErrorInfoBase::kind |
347 | /// method, which is used by the Error RTTI system. |
348 | template <typename ThisErrT, typename ParentErrT = ErrorInfoBase> |
349 | class ErrorInfo : public ParentErrT { |
350 | public: |
351 | using ParentErrT::ParentErrT; // inherit constructors |
352 | |
353 | static const void *classID() { return &ThisErrT::ID; } |
354 | |
355 | const void *dynamicClassID() const override { return &ThisErrT::ID; } |
356 | |
357 | bool isA(const void *const ClassID) const override { |
358 | return ClassID == classID() || ParentErrT::isA(ClassID); |
359 | } |
360 | }; |
361 | |
362 | /// Special ErrorInfo subclass representing a list of ErrorInfos. |
363 | /// Instances of this class are constructed by joinError. |
364 | class ErrorList final : public ErrorInfo<ErrorList> { |
365 | // handleErrors needs to be able to iterate the payload list of an |
366 | // ErrorList. |
367 | template <typename... HandlerTs> |
368 | friend Error handleErrors(Error E, HandlerTs &&... Handlers); |
369 | |
370 | // joinErrors is implemented in terms of join. |
371 | friend Error joinErrors(Error, Error); |
372 | |
373 | public: |
374 | void log(raw_ostream &OS) const override { |
375 | OS << "Multiple errors:\n"; |
376 | for (auto &ErrPayload : Payloads) { |
377 | ErrPayload->log(OS); |
378 | OS << "\n"; |
379 | } |
380 | } |
381 | |
382 | std::error_code convertToErrorCode() const override; |
383 | |
384 | // Used by ErrorInfo::classID. |
385 | static char ID; |
386 | |
387 | private: |
388 | ErrorList(std::unique_ptr<ErrorInfoBase> Payload1, |
389 | std::unique_ptr<ErrorInfoBase> Payload2) { |
390 | assert(!Payload1->isA<ErrorList>() && !Payload2->isA<ErrorList>() &&(static_cast <bool> (!Payload1->isA<ErrorList> () && !Payload2->isA<ErrorList>() && "ErrorList constructor payloads should be singleton errors") ? void (0) : __assert_fail ("!Payload1->isA<ErrorList>() && !Payload2->isA<ErrorList>() && \"ErrorList constructor payloads should be singleton errors\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 391, __extension__ __PRETTY_FUNCTION__)) |
391 | "ErrorList constructor payloads should be singleton errors")(static_cast <bool> (!Payload1->isA<ErrorList> () && !Payload2->isA<ErrorList>() && "ErrorList constructor payloads should be singleton errors") ? void (0) : __assert_fail ("!Payload1->isA<ErrorList>() && !Payload2->isA<ErrorList>() && \"ErrorList constructor payloads should be singleton errors\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 391, __extension__ __PRETTY_FUNCTION__)); |
392 | Payloads.push_back(std::move(Payload1)); |
393 | Payloads.push_back(std::move(Payload2)); |
394 | } |
395 | |
396 | static Error join(Error E1, Error E2) { |
397 | if (!E1) |
398 | return E2; |
399 | if (!E2) |
400 | return E1; |
401 | if (E1.isA<ErrorList>()) { |
402 | auto &E1List = static_cast<ErrorList &>(*E1.getPtr()); |
403 | if (E2.isA<ErrorList>()) { |
404 | auto E2Payload = E2.takePayload(); |
405 | auto &E2List = static_cast<ErrorList &>(*E2Payload); |
406 | for (auto &Payload : E2List.Payloads) |
407 | E1List.Payloads.push_back(std::move(Payload)); |
408 | } else |
409 | E1List.Payloads.push_back(E2.takePayload()); |
410 | |
411 | return E1; |
412 | } |
413 | if (E2.isA<ErrorList>()) { |
414 | auto &E2List = static_cast<ErrorList &>(*E2.getPtr()); |
415 | E2List.Payloads.insert(E2List.Payloads.begin(), E1.takePayload()); |
416 | return E2; |
417 | } |
418 | return Error(std::unique_ptr<ErrorList>( |
419 | new ErrorList(E1.takePayload(), E2.takePayload()))); |
420 | } |
421 | |
422 | std::vector<std::unique_ptr<ErrorInfoBase>> Payloads; |
423 | }; |
424 | |
425 | /// Concatenate errors. The resulting Error is unchecked, and contains the |
426 | /// ErrorInfo(s), if any, contained in E1, followed by the |
427 | /// ErrorInfo(s), if any, contained in E2. |
428 | inline Error joinErrors(Error E1, Error E2) { |
429 | return ErrorList::join(std::move(E1), std::move(E2)); |
430 | } |
431 | |
432 | /// Tagged union holding either a T or a Error. |
433 | /// |
434 | /// This class parallels ErrorOr, but replaces error_code with Error. Since |
435 | /// Error cannot be copied, this class replaces getError() with |
436 | /// takeError(). It also adds an bool errorIsA<ErrT>() method for testing the |
437 | /// error class type. |
438 | /// |
439 | /// Example usage of 'Expected<T>' as a function return type: |
440 | /// |
441 | /// @code{.cpp} |
442 | /// Expected<int> myDivide(int A, int B) { |
443 | /// if (B == 0) { |
444 | /// // return an Error |
445 | /// return createStringError(inconvertibleErrorCode(), |
446 | /// "B must not be zero!"); |
447 | /// } |
448 | /// // return an integer |
449 | /// return A / B; |
450 | /// } |
451 | /// @endcode |
452 | /// |
453 | /// Checking the results of to a function returning 'Expected<T>': |
454 | /// @code{.cpp} |
455 | /// if (auto E = Result.takeError()) { |
456 | /// // We must consume the error. Typically one of: |
457 | /// // - return the error to our caller |
458 | /// // - toString(), when logging |
459 | /// // - consumeError(), to silently swallow the error |
460 | /// // - handleErrors(), to distinguish error types |
461 | /// errs() << "Problem with division " << toString(std::move(E)) << "\n"; |
462 | /// return; |
463 | /// } |
464 | /// // use the result |
465 | /// outs() << "The answer is " << *Result << "\n"; |
466 | /// @endcode |
467 | /// |
468 | /// For unit-testing a function returning an 'Expceted<T>', see the |
469 | /// 'EXPECT_THAT_EXPECTED' macros in llvm/Testing/Support/Error.h |
470 | |
471 | template <class T> class LLVM_NODISCARD[[clang::warn_unused_result]] Expected { |
472 | template <class T1> friend class ExpectedAsOutParameter; |
473 | template <class OtherT> friend class Expected; |
474 | |
475 | static constexpr bool isRef = std::is_reference<T>::value; |
476 | |
477 | using wrap = std::reference_wrapper<std::remove_reference_t<T>>; |
478 | |
479 | using error_type = std::unique_ptr<ErrorInfoBase>; |
480 | |
481 | public: |
482 | using storage_type = std::conditional_t<isRef, wrap, T>; |
483 | using value_type = T; |
484 | |
485 | private: |
486 | using reference = std::remove_reference_t<T> &; |
487 | using const_reference = const std::remove_reference_t<T> &; |
488 | using pointer = std::remove_reference_t<T> *; |
489 | using const_pointer = const std::remove_reference_t<T> *; |
490 | |
491 | public: |
492 | /// Create an Expected<T> error value from the given Error. |
493 | Expected(Error Err) |
494 | : HasError(true) |
495 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
496 | // Expected is unchecked upon construction in Debug builds. |
497 | , Unchecked(true) |
498 | #endif |
499 | { |
500 | assert(Err && "Cannot create Expected<T> from Error success value.")(static_cast <bool> (Err && "Cannot create Expected<T> from Error success value." ) ? void (0) : __assert_fail ("Err && \"Cannot create Expected<T> from Error success value.\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 500, __extension__ __PRETTY_FUNCTION__)); |
501 | new (getErrorStorage()) error_type(Err.takePayload()); |
502 | } |
503 | |
504 | /// Forbid to convert from Error::success() implicitly, this avoids having |
505 | /// Expected<T> foo() { return Error::success(); } which compiles otherwise |
506 | /// but triggers the assertion above. |
507 | Expected(ErrorSuccess) = delete; |
508 | |
509 | /// Create an Expected<T> success value from the given OtherT value, which |
510 | /// must be convertible to T. |
511 | template <typename OtherT> |
512 | Expected(OtherT &&Val, |
513 | std::enable_if_t<std::is_convertible<OtherT, T>::value> * = nullptr) |
514 | : HasError(false) |
515 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
516 | // Expected is unchecked upon construction in Debug builds. |
517 | , |
518 | Unchecked(true) |
519 | #endif |
520 | { |
521 | new (getStorage()) storage_type(std::forward<OtherT>(Val)); |
522 | } |
523 | |
524 | /// Move construct an Expected<T> value. |
525 | Expected(Expected &&Other) { moveConstruct(std::move(Other)); } |
526 | |
527 | /// Move construct an Expected<T> value from an Expected<OtherT>, where OtherT |
528 | /// must be convertible to T. |
529 | template <class OtherT> |
530 | Expected( |
531 | Expected<OtherT> &&Other, |
532 | std::enable_if_t<std::is_convertible<OtherT, T>::value> * = nullptr) { |
533 | moveConstruct(std::move(Other)); |
534 | } |
535 | |
536 | /// Move construct an Expected<T> value from an Expected<OtherT>, where OtherT |
537 | /// isn't convertible to T. |
538 | template <class OtherT> |
539 | explicit Expected( |
540 | Expected<OtherT> &&Other, |
541 | std::enable_if_t<!std::is_convertible<OtherT, T>::value> * = nullptr) { |
542 | moveConstruct(std::move(Other)); |
543 | } |
544 | |
545 | /// Move-assign from another Expected<T>. |
546 | Expected &operator=(Expected &&Other) { |
547 | moveAssign(std::move(Other)); |
548 | return *this; |
549 | } |
550 | |
551 | /// Destroy an Expected<T>. |
552 | ~Expected() { |
553 | assertIsChecked(); |
554 | if (!HasError) |
555 | getStorage()->~storage_type(); |
556 | else |
557 | getErrorStorage()->~error_type(); |
558 | } |
559 | |
560 | /// Return false if there is an error. |
561 | explicit operator bool() { |
562 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
563 | Unchecked = HasError; |
564 | #endif |
565 | return !HasError; |
566 | } |
567 | |
568 | /// Returns a reference to the stored T value. |
569 | reference get() { |
570 | assertIsChecked(); |
571 | return *getStorage(); |
572 | } |
573 | |
574 | /// Returns a const reference to the stored T value. |
575 | const_reference get() const { |
576 | assertIsChecked(); |
577 | return const_cast<Expected<T> *>(this)->get(); |
578 | } |
579 | |
580 | /// Check that this Expected<T> is an error of type ErrT. |
581 | template <typename ErrT> bool errorIsA() const { |
582 | return HasError && (*getErrorStorage())->template isA<ErrT>(); |
583 | } |
584 | |
585 | /// Take ownership of the stored error. |
586 | /// After calling this the Expected<T> is in an indeterminate state that can |
587 | /// only be safely destructed. No further calls (beside the destructor) should |
588 | /// be made on the Expected<T> value. |
589 | Error takeError() { |
590 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
591 | Unchecked = false; |
592 | #endif |
593 | return HasError ? Error(std::move(*getErrorStorage())) : Error::success(); |
594 | } |
595 | |
596 | /// Returns a pointer to the stored T value. |
597 | pointer operator->() { |
598 | assertIsChecked(); |
599 | return toPointer(getStorage()); |
600 | } |
601 | |
602 | /// Returns a const pointer to the stored T value. |
603 | const_pointer operator->() const { |
604 | assertIsChecked(); |
605 | return toPointer(getStorage()); |
606 | } |
607 | |
608 | /// Returns a reference to the stored T value. |
609 | reference operator*() { |
610 | assertIsChecked(); |
611 | return *getStorage(); |
612 | } |
613 | |
614 | /// Returns a const reference to the stored T value. |
615 | const_reference operator*() const { |
616 | assertIsChecked(); |
617 | return *getStorage(); |
618 | } |
619 | |
620 | private: |
621 | template <class T1> |
622 | static bool compareThisIfSameType(const T1 &a, const T1 &b) { |
623 | return &a == &b; |
624 | } |
625 | |
626 | template <class T1, class T2> |
627 | static bool compareThisIfSameType(const T1 &, const T2 &) { |
628 | return false; |
629 | } |
630 | |
631 | template <class OtherT> void moveConstruct(Expected<OtherT> &&Other) { |
632 | HasError = Other.HasError; |
633 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
634 | Unchecked = true; |
635 | Other.Unchecked = false; |
636 | #endif |
637 | |
638 | if (!HasError) |
639 | new (getStorage()) storage_type(std::move(*Other.getStorage())); |
640 | else |
641 | new (getErrorStorage()) error_type(std::move(*Other.getErrorStorage())); |
642 | } |
643 | |
644 | template <class OtherT> void moveAssign(Expected<OtherT> &&Other) { |
645 | assertIsChecked(); |
646 | |
647 | if (compareThisIfSameType(*this, Other)) |
648 | return; |
649 | |
650 | this->~Expected(); |
651 | new (this) Expected(std::move(Other)); |
652 | } |
653 | |
654 | pointer toPointer(pointer Val) { return Val; } |
655 | |
656 | const_pointer toPointer(const_pointer Val) const { return Val; } |
657 | |
658 | pointer toPointer(wrap *Val) { return &Val->get(); } |
659 | |
660 | const_pointer toPointer(const wrap *Val) const { return &Val->get(); } |
661 | |
662 | storage_type *getStorage() { |
663 | assert(!HasError && "Cannot get value when an error exists!")(static_cast <bool> (!HasError && "Cannot get value when an error exists!" ) ? void (0) : __assert_fail ("!HasError && \"Cannot get value when an error exists!\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 663, __extension__ __PRETTY_FUNCTION__)); |
664 | return reinterpret_cast<storage_type *>(&TStorage); |
665 | } |
666 | |
667 | const storage_type *getStorage() const { |
668 | assert(!HasError && "Cannot get value when an error exists!")(static_cast <bool> (!HasError && "Cannot get value when an error exists!" ) ? void (0) : __assert_fail ("!HasError && \"Cannot get value when an error exists!\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 668, __extension__ __PRETTY_FUNCTION__)); |
669 | return reinterpret_cast<const storage_type *>(&TStorage); |
670 | } |
671 | |
672 | error_type *getErrorStorage() { |
673 | assert(HasError && "Cannot get error when a value exists!")(static_cast <bool> (HasError && "Cannot get error when a value exists!" ) ? void (0) : __assert_fail ("HasError && \"Cannot get error when a value exists!\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 673, __extension__ __PRETTY_FUNCTION__)); |
674 | return reinterpret_cast<error_type *>(&ErrorStorage); |
675 | } |
676 | |
677 | const error_type *getErrorStorage() const { |
678 | assert(HasError && "Cannot get error when a value exists!")(static_cast <bool> (HasError && "Cannot get error when a value exists!" ) ? void (0) : __assert_fail ("HasError && \"Cannot get error when a value exists!\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 678, __extension__ __PRETTY_FUNCTION__)); |
679 | return reinterpret_cast<const error_type *>(&ErrorStorage); |
680 | } |
681 | |
682 | // Used by ExpectedAsOutParameter to reset the checked flag. |
683 | void setUnchecked() { |
684 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
685 | Unchecked = true; |
686 | #endif |
687 | } |
688 | |
689 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
690 | [[noreturn]] LLVM_ATTRIBUTE_NOINLINE__attribute__((noinline)) void fatalUncheckedExpected() const { |
691 | dbgs() << "Expected<T> must be checked before access or destruction.\n"; |
692 | if (HasError) { |
693 | dbgs() << "Unchecked Expected<T> contained error:\n"; |
694 | (*getErrorStorage())->log(dbgs()); |
695 | } else |
696 | dbgs() << "Expected<T> value was in success state. (Note: Expected<T> " |
697 | "values in success mode must still be checked prior to being " |
698 | "destroyed).\n"; |
699 | abort(); |
700 | } |
701 | #endif |
702 | |
703 | void assertIsChecked() const { |
704 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
705 | if (LLVM_UNLIKELY(Unchecked)__builtin_expect((bool)(Unchecked), false)) |
706 | fatalUncheckedExpected(); |
707 | #endif |
708 | } |
709 | |
710 | union { |
711 | AlignedCharArrayUnion<storage_type> TStorage; |
712 | AlignedCharArrayUnion<error_type> ErrorStorage; |
713 | }; |
714 | bool HasError : 1; |
715 | #if LLVM_ENABLE_ABI_BREAKING_CHECKS1 |
716 | bool Unchecked : 1; |
717 | #endif |
718 | }; |
719 | |
720 | /// Report a serious error, calling any installed error handler. See |
721 | /// ErrorHandling.h. |
722 | [[noreturn]] void report_fatal_error(Error Err, bool gen_crash_diag = true); |
723 | |
724 | /// Report a fatal error if Err is a failure value. |
725 | /// |
726 | /// This function can be used to wrap calls to fallible functions ONLY when it |
727 | /// is known that the Error will always be a success value. E.g. |
728 | /// |
729 | /// @code{.cpp} |
730 | /// // foo only attempts the fallible operation if DoFallibleOperation is |
731 | /// // true. If DoFallibleOperation is false then foo always returns |
732 | /// // Error::success(). |
733 | /// Error foo(bool DoFallibleOperation); |
734 | /// |
735 | /// cantFail(foo(false)); |
736 | /// @endcode |
737 | inline void cantFail(Error Err, const char *Msg = nullptr) { |
738 | if (Err) { |
739 | if (!Msg) |
740 | Msg = "Failure value returned from cantFail wrapped call"; |
741 | #ifndef NDEBUG |
742 | std::string Str; |
743 | raw_string_ostream OS(Str); |
744 | OS << Msg << "\n" << Err; |
745 | Msg = OS.str().c_str(); |
746 | #endif |
747 | llvm_unreachable(Msg)::llvm::llvm_unreachable_internal(Msg, "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 747); |
748 | } |
749 | } |
750 | |
751 | /// Report a fatal error if ValOrErr is a failure value, otherwise unwraps and |
752 | /// returns the contained value. |
753 | /// |
754 | /// This function can be used to wrap calls to fallible functions ONLY when it |
755 | /// is known that the Error will always be a success value. E.g. |
756 | /// |
757 | /// @code{.cpp} |
758 | /// // foo only attempts the fallible operation if DoFallibleOperation is |
759 | /// // true. If DoFallibleOperation is false then foo always returns an int. |
760 | /// Expected<int> foo(bool DoFallibleOperation); |
761 | /// |
762 | /// int X = cantFail(foo(false)); |
763 | /// @endcode |
764 | template <typename T> |
765 | T cantFail(Expected<T> ValOrErr, const char *Msg = nullptr) { |
766 | if (ValOrErr) |
767 | return std::move(*ValOrErr); |
768 | else { |
769 | if (!Msg) |
770 | Msg = "Failure value returned from cantFail wrapped call"; |
771 | #ifndef NDEBUG |
772 | std::string Str; |
773 | raw_string_ostream OS(Str); |
774 | auto E = ValOrErr.takeError(); |
775 | OS << Msg << "\n" << E; |
776 | Msg = OS.str().c_str(); |
777 | #endif |
778 | llvm_unreachable(Msg)::llvm::llvm_unreachable_internal(Msg, "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 778); |
779 | } |
780 | } |
781 | |
782 | /// Report a fatal error if ValOrErr is a failure value, otherwise unwraps and |
783 | /// returns the contained reference. |
784 | /// |
785 | /// This function can be used to wrap calls to fallible functions ONLY when it |
786 | /// is known that the Error will always be a success value. E.g. |
787 | /// |
788 | /// @code{.cpp} |
789 | /// // foo only attempts the fallible operation if DoFallibleOperation is |
790 | /// // true. If DoFallibleOperation is false then foo always returns a Bar&. |
791 | /// Expected<Bar&> foo(bool DoFallibleOperation); |
792 | /// |
793 | /// Bar &X = cantFail(foo(false)); |
794 | /// @endcode |
795 | template <typename T> |
796 | T& cantFail(Expected<T&> ValOrErr, const char *Msg = nullptr) { |
797 | if (ValOrErr) |
798 | return *ValOrErr; |
799 | else { |
800 | if (!Msg) |
801 | Msg = "Failure value returned from cantFail wrapped call"; |
802 | #ifndef NDEBUG |
803 | std::string Str; |
804 | raw_string_ostream OS(Str); |
805 | auto E = ValOrErr.takeError(); |
806 | OS << Msg << "\n" << E; |
807 | Msg = OS.str().c_str(); |
808 | #endif |
809 | llvm_unreachable(Msg)::llvm::llvm_unreachable_internal(Msg, "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 809); |
810 | } |
811 | } |
812 | |
813 | /// Helper for testing applicability of, and applying, handlers for |
814 | /// ErrorInfo types. |
815 | template <typename HandlerT> |
816 | class ErrorHandlerTraits |
817 | : public ErrorHandlerTraits<decltype( |
818 | &std::remove_reference<HandlerT>::type::operator())> {}; |
819 | |
820 | // Specialization functions of the form 'Error (const ErrT&)'. |
821 | template <typename ErrT> class ErrorHandlerTraits<Error (&)(ErrT &)> { |
822 | public: |
823 | static bool appliesTo(const ErrorInfoBase &E) { |
824 | return E.template isA<ErrT>(); |
825 | } |
826 | |
827 | template <typename HandlerT> |
828 | static Error apply(HandlerT &&H, std::unique_ptr<ErrorInfoBase> E) { |
829 | assert(appliesTo(*E) && "Applying incorrect handler")(static_cast <bool> (appliesTo(*E) && "Applying incorrect handler" ) ? void (0) : __assert_fail ("appliesTo(*E) && \"Applying incorrect handler\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 829, __extension__ __PRETTY_FUNCTION__)); |
830 | return H(static_cast<ErrT &>(*E)); |
831 | } |
832 | }; |
833 | |
834 | // Specialization functions of the form 'void (const ErrT&)'. |
835 | template <typename ErrT> class ErrorHandlerTraits<void (&)(ErrT &)> { |
836 | public: |
837 | static bool appliesTo(const ErrorInfoBase &E) { |
838 | return E.template isA<ErrT>(); |
839 | } |
840 | |
841 | template <typename HandlerT> |
842 | static Error apply(HandlerT &&H, std::unique_ptr<ErrorInfoBase> E) { |
843 | assert(appliesTo(*E) && "Applying incorrect handler")(static_cast <bool> (appliesTo(*E) && "Applying incorrect handler" ) ? void (0) : __assert_fail ("appliesTo(*E) && \"Applying incorrect handler\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 843, __extension__ __PRETTY_FUNCTION__)); |
844 | H(static_cast<ErrT &>(*E)); |
845 | return Error::success(); |
846 | } |
847 | }; |
848 | |
849 | /// Specialization for functions of the form 'Error (std::unique_ptr<ErrT>)'. |
850 | template <typename ErrT> |
851 | class ErrorHandlerTraits<Error (&)(std::unique_ptr<ErrT>)> { |
852 | public: |
853 | static bool appliesTo(const ErrorInfoBase &E) { |
854 | return E.template isA<ErrT>(); |
855 | } |
856 | |
857 | template <typename HandlerT> |
858 | static Error apply(HandlerT &&H, std::unique_ptr<ErrorInfoBase> E) { |
859 | assert(appliesTo(*E) && "Applying incorrect handler")(static_cast <bool> (appliesTo(*E) && "Applying incorrect handler" ) ? void (0) : __assert_fail ("appliesTo(*E) && \"Applying incorrect handler\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 859, __extension__ __PRETTY_FUNCTION__)); |
860 | std::unique_ptr<ErrT> SubE(static_cast<ErrT *>(E.release())); |
861 | return H(std::move(SubE)); |
862 | } |
863 | }; |
864 | |
865 | /// Specialization for functions of the form 'void (std::unique_ptr<ErrT>)'. |
866 | template <typename ErrT> |
867 | class ErrorHandlerTraits<void (&)(std::unique_ptr<ErrT>)> { |
868 | public: |
869 | static bool appliesTo(const ErrorInfoBase &E) { |
870 | return E.template isA<ErrT>(); |
871 | } |
872 | |
873 | template <typename HandlerT> |
874 | static Error apply(HandlerT &&H, std::unique_ptr<ErrorInfoBase> E) { |
875 | assert(appliesTo(*E) && "Applying incorrect handler")(static_cast <bool> (appliesTo(*E) && "Applying incorrect handler" ) ? void (0) : __assert_fail ("appliesTo(*E) && \"Applying incorrect handler\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 875, __extension__ __PRETTY_FUNCTION__)); |
876 | std::unique_ptr<ErrT> SubE(static_cast<ErrT *>(E.release())); |
877 | H(std::move(SubE)); |
878 | return Error::success(); |
879 | } |
880 | }; |
881 | |
882 | // Specialization for member functions of the form 'RetT (const ErrT&)'. |
883 | template <typename C, typename RetT, typename ErrT> |
884 | class ErrorHandlerTraits<RetT (C::*)(ErrT &)> |
885 | : public ErrorHandlerTraits<RetT (&)(ErrT &)> {}; |
886 | |
887 | // Specialization for member functions of the form 'RetT (const ErrT&) const'. |
888 | template <typename C, typename RetT, typename ErrT> |
889 | class ErrorHandlerTraits<RetT (C::*)(ErrT &) const> |
890 | : public ErrorHandlerTraits<RetT (&)(ErrT &)> {}; |
891 | |
892 | // Specialization for member functions of the form 'RetT (const ErrT&)'. |
893 | template <typename C, typename RetT, typename ErrT> |
894 | class ErrorHandlerTraits<RetT (C::*)(const ErrT &)> |
895 | : public ErrorHandlerTraits<RetT (&)(ErrT &)> {}; |
896 | |
897 | // Specialization for member functions of the form 'RetT (const ErrT&) const'. |
898 | template <typename C, typename RetT, typename ErrT> |
899 | class ErrorHandlerTraits<RetT (C::*)(const ErrT &) const> |
900 | : public ErrorHandlerTraits<RetT (&)(ErrT &)> {}; |
901 | |
902 | /// Specialization for member functions of the form |
903 | /// 'RetT (std::unique_ptr<ErrT>)'. |
904 | template <typename C, typename RetT, typename ErrT> |
905 | class ErrorHandlerTraits<RetT (C::*)(std::unique_ptr<ErrT>)> |
906 | : public ErrorHandlerTraits<RetT (&)(std::unique_ptr<ErrT>)> {}; |
907 | |
908 | /// Specialization for member functions of the form |
909 | /// 'RetT (std::unique_ptr<ErrT>) const'. |
910 | template <typename C, typename RetT, typename ErrT> |
911 | class ErrorHandlerTraits<RetT (C::*)(std::unique_ptr<ErrT>) const> |
912 | : public ErrorHandlerTraits<RetT (&)(std::unique_ptr<ErrT>)> {}; |
913 | |
914 | inline Error handleErrorImpl(std::unique_ptr<ErrorInfoBase> Payload) { |
915 | return Error(std::move(Payload)); |
916 | } |
917 | |
918 | template <typename HandlerT, typename... HandlerTs> |
919 | Error handleErrorImpl(std::unique_ptr<ErrorInfoBase> Payload, |
920 | HandlerT &&Handler, HandlerTs &&... Handlers) { |
921 | if (ErrorHandlerTraits<HandlerT>::appliesTo(*Payload)) |
922 | return ErrorHandlerTraits<HandlerT>::apply(std::forward<HandlerT>(Handler), |
923 | std::move(Payload)); |
924 | return handleErrorImpl(std::move(Payload), |
925 | std::forward<HandlerTs>(Handlers)...); |
926 | } |
927 | |
928 | /// Pass the ErrorInfo(s) contained in E to their respective handlers. Any |
929 | /// unhandled errors (or Errors returned by handlers) are re-concatenated and |
930 | /// returned. |
931 | /// Because this function returns an error, its result must also be checked |
932 | /// or returned. If you intend to handle all errors use handleAllErrors |
933 | /// (which returns void, and will abort() on unhandled errors) instead. |
934 | template <typename... HandlerTs> |
935 | Error handleErrors(Error E, HandlerTs &&... Hs) { |
936 | if (!E) |
937 | return Error::success(); |
938 | |
939 | std::unique_ptr<ErrorInfoBase> Payload = E.takePayload(); |
940 | |
941 | if (Payload->isA<ErrorList>()) { |
942 | ErrorList &List = static_cast<ErrorList &>(*Payload); |
943 | Error R; |
944 | for (auto &P : List.Payloads) |
945 | R = ErrorList::join( |
946 | std::move(R), |
947 | handleErrorImpl(std::move(P), std::forward<HandlerTs>(Hs)...)); |
948 | return R; |
949 | } |
950 | |
951 | return handleErrorImpl(std::move(Payload), std::forward<HandlerTs>(Hs)...); |
952 | } |
953 | |
954 | /// Behaves the same as handleErrors, except that by contract all errors |
955 | /// *must* be handled by the given handlers (i.e. there must be no remaining |
956 | /// errors after running the handlers, or llvm_unreachable is called). |
957 | template <typename... HandlerTs> |
958 | void handleAllErrors(Error E, HandlerTs &&... Handlers) { |
959 | cantFail(handleErrors(std::move(E), std::forward<HandlerTs>(Handlers)...)); |
960 | } |
961 | |
962 | /// Check that E is a non-error, then drop it. |
963 | /// If E is an error, llvm_unreachable will be called. |
964 | inline void handleAllErrors(Error E) { |
965 | cantFail(std::move(E)); |
966 | } |
967 | |
968 | /// Handle any errors (if present) in an Expected<T>, then try a recovery path. |
969 | /// |
970 | /// If the incoming value is a success value it is returned unmodified. If it |
971 | /// is a failure value then it the contained error is passed to handleErrors. |
972 | /// If handleErrors is able to handle the error then the RecoveryPath functor |
973 | /// is called to supply the final result. If handleErrors is not able to |
974 | /// handle all errors then the unhandled errors are returned. |
975 | /// |
976 | /// This utility enables the follow pattern: |
977 | /// |
978 | /// @code{.cpp} |
979 | /// enum FooStrategy { Aggressive, Conservative }; |
980 | /// Expected<Foo> foo(FooStrategy S); |
981 | /// |
982 | /// auto ResultOrErr = |
983 | /// handleExpected( |
984 | /// foo(Aggressive), |
985 | /// []() { return foo(Conservative); }, |
986 | /// [](AggressiveStrategyError&) { |
987 | /// // Implicitly conusme this - we'll recover by using a conservative |
988 | /// // strategy. |
989 | /// }); |
990 | /// |
991 | /// @endcode |
992 | template <typename T, typename RecoveryFtor, typename... HandlerTs> |
993 | Expected<T> handleExpected(Expected<T> ValOrErr, RecoveryFtor &&RecoveryPath, |
994 | HandlerTs &&... Handlers) { |
995 | if (ValOrErr) |
996 | return ValOrErr; |
997 | |
998 | if (auto Err = handleErrors(ValOrErr.takeError(), |
999 | std::forward<HandlerTs>(Handlers)...)) |
1000 | return std::move(Err); |
1001 | |
1002 | return RecoveryPath(); |
1003 | } |
1004 | |
1005 | /// Log all errors (if any) in E to OS. If there are any errors, ErrorBanner |
1006 | /// will be printed before the first one is logged. A newline will be printed |
1007 | /// after each error. |
1008 | /// |
1009 | /// This function is compatible with the helpers from Support/WithColor.h. You |
1010 | /// can pass any of them as the OS. Please consider using them instead of |
1011 | /// including 'error: ' in the ErrorBanner. |
1012 | /// |
1013 | /// This is useful in the base level of your program to allow clean termination |
1014 | /// (allowing clean deallocation of resources, etc.), while reporting error |
1015 | /// information to the user. |
1016 | void logAllUnhandledErrors(Error E, raw_ostream &OS, Twine ErrorBanner = {}); |
1017 | |
1018 | /// Write all error messages (if any) in E to a string. The newline character |
1019 | /// is used to separate error messages. |
1020 | inline std::string toString(Error E) { |
1021 | SmallVector<std::string, 2> Errors; |
1022 | handleAllErrors(std::move(E), [&Errors](const ErrorInfoBase &EI) { |
1023 | Errors.push_back(EI.message()); |
1024 | }); |
1025 | return join(Errors.begin(), Errors.end(), "\n"); |
1026 | } |
1027 | |
1028 | /// Consume a Error without doing anything. This method should be used |
1029 | /// only where an error can be considered a reasonable and expected return |
1030 | /// value. |
1031 | /// |
1032 | /// Uses of this method are potentially indicative of design problems: If it's |
1033 | /// legitimate to do nothing while processing an "error", the error-producer |
1034 | /// might be more clearly refactored to return an Optional<T>. |
1035 | inline void consumeError(Error Err) { |
1036 | handleAllErrors(std::move(Err), [](const ErrorInfoBase &) {}); |
1037 | } |
1038 | |
1039 | /// Convert an Expected to an Optional without doing anything. This method |
1040 | /// should be used only where an error can be considered a reasonable and |
1041 | /// expected return value. |
1042 | /// |
1043 | /// Uses of this method are potentially indicative of problems: perhaps the |
1044 | /// error should be propagated further, or the error-producer should just |
1045 | /// return an Optional in the first place. |
1046 | template <typename T> Optional<T> expectedToOptional(Expected<T> &&E) { |
1047 | if (E) |
1048 | return std::move(*E); |
1049 | consumeError(E.takeError()); |
1050 | return None; |
1051 | } |
1052 | |
1053 | /// Helper for converting an Error to a bool. |
1054 | /// |
1055 | /// This method returns true if Err is in an error state, or false if it is |
1056 | /// in a success state. Puts Err in a checked state in both cases (unlike |
1057 | /// Error::operator bool(), which only does this for success states). |
1058 | inline bool errorToBool(Error Err) { |
1059 | bool IsError = static_cast<bool>(Err); |
1060 | if (IsError) |
1061 | consumeError(std::move(Err)); |
1062 | return IsError; |
1063 | } |
1064 | |
1065 | /// Helper for Errors used as out-parameters. |
1066 | /// |
1067 | /// This helper is for use with the Error-as-out-parameter idiom, where an error |
1068 | /// is passed to a function or method by reference, rather than being returned. |
1069 | /// In such cases it is helpful to set the checked bit on entry to the function |
1070 | /// so that the error can be written to (unchecked Errors abort on assignment) |
1071 | /// and clear the checked bit on exit so that clients cannot accidentally forget |
1072 | /// to check the result. This helper performs these actions automatically using |
1073 | /// RAII: |
1074 | /// |
1075 | /// @code{.cpp} |
1076 | /// Result foo(Error &Err) { |
1077 | /// ErrorAsOutParameter ErrAsOutParam(&Err); // 'Checked' flag set |
1078 | /// // <body of foo> |
1079 | /// // <- 'Checked' flag auto-cleared when ErrAsOutParam is destructed. |
1080 | /// } |
1081 | /// @endcode |
1082 | /// |
1083 | /// ErrorAsOutParameter takes an Error* rather than Error& so that it can be |
1084 | /// used with optional Errors (Error pointers that are allowed to be null). If |
1085 | /// ErrorAsOutParameter took an Error reference, an instance would have to be |
1086 | /// created inside every condition that verified that Error was non-null. By |
1087 | /// taking an Error pointer we can just create one instance at the top of the |
1088 | /// function. |
1089 | class ErrorAsOutParameter { |
1090 | public: |
1091 | ErrorAsOutParameter(Error *Err) : Err(Err) { |
1092 | // Raise the checked bit if Err is success. |
1093 | if (Err) |
1094 | (void)!!*Err; |
1095 | } |
1096 | |
1097 | ~ErrorAsOutParameter() { |
1098 | // Clear the checked bit. |
1099 | if (Err && !*Err) |
1100 | *Err = Error::success(); |
1101 | } |
1102 | |
1103 | private: |
1104 | Error *Err; |
1105 | }; |
1106 | |
1107 | /// Helper for Expected<T>s used as out-parameters. |
1108 | /// |
1109 | /// See ErrorAsOutParameter. |
1110 | template <typename T> |
1111 | class ExpectedAsOutParameter { |
1112 | public: |
1113 | ExpectedAsOutParameter(Expected<T> *ValOrErr) |
1114 | : ValOrErr(ValOrErr) { |
1115 | if (ValOrErr) |
1116 | (void)!!*ValOrErr; |
1117 | } |
1118 | |
1119 | ~ExpectedAsOutParameter() { |
1120 | if (ValOrErr) |
1121 | ValOrErr->setUnchecked(); |
1122 | } |
1123 | |
1124 | private: |
1125 | Expected<T> *ValOrErr; |
1126 | }; |
1127 | |
1128 | /// This class wraps a std::error_code in a Error. |
1129 | /// |
1130 | /// This is useful if you're writing an interface that returns a Error |
1131 | /// (or Expected) and you want to call code that still returns |
1132 | /// std::error_codes. |
1133 | class ECError : public ErrorInfo<ECError> { |
1134 | friend Error errorCodeToError(std::error_code); |
1135 | |
1136 | virtual void anchor() override; |
1137 | |
1138 | public: |
1139 | void setErrorCode(std::error_code EC) { this->EC = EC; } |
1140 | std::error_code convertToErrorCode() const override { return EC; } |
1141 | void log(raw_ostream &OS) const override { OS << EC.message(); } |
1142 | |
1143 | // Used by ErrorInfo::classID. |
1144 | static char ID; |
1145 | |
1146 | protected: |
1147 | ECError() = default; |
1148 | ECError(std::error_code EC) : EC(EC) {} |
1149 | |
1150 | std::error_code EC; |
1151 | }; |
1152 | |
1153 | /// The value returned by this function can be returned from convertToErrorCode |
1154 | /// for Error values where no sensible translation to std::error_code exists. |
1155 | /// It should only be used in this situation, and should never be used where a |
1156 | /// sensible conversion to std::error_code is available, as attempts to convert |
1157 | /// to/from this error will result in a fatal error. (i.e. it is a programmatic |
1158 | ///error to try to convert such a value). |
1159 | std::error_code inconvertibleErrorCode(); |
1160 | |
1161 | /// Helper for converting an std::error_code to a Error. |
1162 | Error errorCodeToError(std::error_code EC); |
1163 | |
1164 | /// Helper for converting an ECError to a std::error_code. |
1165 | /// |
1166 | /// This method requires that Err be Error() or an ECError, otherwise it |
1167 | /// will trigger a call to abort(). |
1168 | std::error_code errorToErrorCode(Error Err); |
1169 | |
1170 | /// Convert an ErrorOr<T> to an Expected<T>. |
1171 | template <typename T> Expected<T> errorOrToExpected(ErrorOr<T> &&EO) { |
1172 | if (auto EC = EO.getError()) |
1173 | return errorCodeToError(EC); |
1174 | return std::move(*EO); |
1175 | } |
1176 | |
1177 | /// Convert an Expected<T> to an ErrorOr<T>. |
1178 | template <typename T> ErrorOr<T> expectedToErrorOr(Expected<T> &&E) { |
1179 | if (auto Err = E.takeError()) |
1180 | return errorToErrorCode(std::move(Err)); |
1181 | return std::move(*E); |
1182 | } |
1183 | |
1184 | /// This class wraps a string in an Error. |
1185 | /// |
1186 | /// StringError is useful in cases where the client is not expected to be able |
1187 | /// to consume the specific error message programmatically (for example, if the |
1188 | /// error message is to be presented to the user). |
1189 | /// |
1190 | /// StringError can also be used when additional information is to be printed |
1191 | /// along with a error_code message. Depending on the constructor called, this |
1192 | /// class can either display: |
1193 | /// 1. the error_code message (ECError behavior) |
1194 | /// 2. a string |
1195 | /// 3. the error_code message and a string |
1196 | /// |
1197 | /// These behaviors are useful when subtyping is required; for example, when a |
1198 | /// specific library needs an explicit error type. In the example below, |
1199 | /// PDBError is derived from StringError: |
1200 | /// |
1201 | /// @code{.cpp} |
1202 | /// Expected<int> foo() { |
1203 | /// return llvm::make_error<PDBError>(pdb_error_code::dia_failed_loading, |
1204 | /// "Additional information"); |
1205 | /// } |
1206 | /// @endcode |
1207 | /// |
1208 | class StringError : public ErrorInfo<StringError> { |
1209 | public: |
1210 | static char ID; |
1211 | |
1212 | // Prints EC + S and converts to EC |
1213 | StringError(std::error_code EC, const Twine &S = Twine()); |
1214 | |
1215 | // Prints S and converts to EC |
1216 | StringError(const Twine &S, std::error_code EC); |
1217 | |
1218 | void log(raw_ostream &OS) const override; |
1219 | std::error_code convertToErrorCode() const override; |
1220 | |
1221 | const std::string &getMessage() const { return Msg; } |
1222 | |
1223 | private: |
1224 | std::string Msg; |
1225 | std::error_code EC; |
1226 | const bool PrintMsgOnly = false; |
1227 | }; |
1228 | |
1229 | /// Create formatted StringError object. |
1230 | template <typename... Ts> |
1231 | inline Error createStringError(std::error_code EC, char const *Fmt, |
1232 | const Ts &... Vals) { |
1233 | std::string Buffer; |
1234 | raw_string_ostream Stream(Buffer); |
1235 | Stream << format(Fmt, Vals...); |
1236 | return make_error<StringError>(Stream.str(), EC); |
1237 | } |
1238 | |
1239 | Error createStringError(std::error_code EC, char const *Msg); |
1240 | |
1241 | inline Error createStringError(std::error_code EC, const Twine &S) { |
1242 | return createStringError(EC, S.str().c_str()); |
1243 | } |
1244 | |
1245 | template <typename... Ts> |
1246 | inline Error createStringError(std::errc EC, char const *Fmt, |
1247 | const Ts &... Vals) { |
1248 | return createStringError(std::make_error_code(EC), Fmt, Vals...); |
1249 | } |
1250 | |
1251 | /// This class wraps a filename and another Error. |
1252 | /// |
1253 | /// In some cases, an error needs to live along a 'source' name, in order to |
1254 | /// show more detailed information to the user. |
1255 | class FileError final : public ErrorInfo<FileError> { |
1256 | |
1257 | friend Error createFileError(const Twine &, Error); |
1258 | friend Error createFileError(const Twine &, size_t, Error); |
1259 | |
1260 | public: |
1261 | void log(raw_ostream &OS) const override { |
1262 | assert(Err && !FileName.empty() && "Trying to log after takeError().")(static_cast <bool> (Err && !FileName.empty() && "Trying to log after takeError().") ? void (0) : __assert_fail ("Err && !FileName.empty() && \"Trying to log after takeError().\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 1262, __extension__ __PRETTY_FUNCTION__)); |
1263 | OS << "'" << FileName << "': "; |
1264 | if (Line.hasValue()) |
1265 | OS << "line " << Line.getValue() << ": "; |
1266 | Err->log(OS); |
1267 | } |
1268 | |
1269 | StringRef getFileName() { return FileName; } |
1270 | |
1271 | Error takeError() { return Error(std::move(Err)); } |
1272 | |
1273 | std::error_code convertToErrorCode() const override; |
1274 | |
1275 | // Used by ErrorInfo::classID. |
1276 | static char ID; |
1277 | |
1278 | private: |
1279 | FileError(const Twine &F, Optional<size_t> LineNum, |
1280 | std::unique_ptr<ErrorInfoBase> E) { |
1281 | assert(E && "Cannot create FileError from Error success value.")(static_cast <bool> (E && "Cannot create FileError from Error success value." ) ? void (0) : __assert_fail ("E && \"Cannot create FileError from Error success value.\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 1281, __extension__ __PRETTY_FUNCTION__)); |
1282 | assert(!F.isTriviallyEmpty() &&(static_cast <bool> (!F.isTriviallyEmpty() && "The file name provided to FileError must not be empty." ) ? void (0) : __assert_fail ("!F.isTriviallyEmpty() && \"The file name provided to FileError must not be empty.\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 1283, __extension__ __PRETTY_FUNCTION__)) |
1283 | "The file name provided to FileError must not be empty.")(static_cast <bool> (!F.isTriviallyEmpty() && "The file name provided to FileError must not be empty." ) ? void (0) : __assert_fail ("!F.isTriviallyEmpty() && \"The file name provided to FileError must not be empty.\"" , "/build/llvm-toolchain-snapshot-14~++20210828111110+16086d47c0d0/llvm/include/llvm/Support/Error.h" , 1283, __extension__ __PRETTY_FUNCTION__)); |
1284 | FileName = F.str(); |
1285 | Err = std::move(E); |
1286 | Line = std::move(LineNum); |
1287 | } |
1288 | |
1289 | static Error build(const Twine &F, Optional<size_t> Line, Error E) { |
1290 | std::unique_ptr<ErrorInfoBase> Payload; |
1291 | handleAllErrors(std::move(E), |
1292 | [&](std::unique_ptr<ErrorInfoBase> EIB) -> Error { |
1293 | Payload = std::move(EIB); |
1294 | return Error::success(); |
1295 | }); |
1296 | return Error( |
1297 | std::unique_ptr<FileError>(new FileError(F, Line, std::move(Payload)))); |
1298 | } |
1299 | |
1300 | std::string FileName; |
1301 | Optional<size_t> Line; |
1302 | std::unique_ptr<ErrorInfoBase> Err; |
1303 | }; |
1304 | |
1305 | /// Concatenate a source file path and/or name with an Error. The resulting |
1306 | /// Error is unchecked. |
1307 | inline Error createFileError(const Twine &F, Error E) { |
1308 | return FileError::build(F, Optional<size_t>(), std::move(E)); |
1309 | } |
1310 | |
1311 | /// Concatenate a source file path and/or name with line number and an Error. |
1312 | /// The resulting Error is unchecked. |
1313 | inline Error createFileError(const Twine &F, size_t Line, Error E) { |
1314 | return FileError::build(F, Optional<size_t>(Line), std::move(E)); |
1315 | } |
1316 | |
1317 | /// Concatenate a source file path and/or name with a std::error_code |
1318 | /// to form an Error object. |
1319 | inline Error createFileError(const Twine &F, std::error_code EC) { |
1320 | return createFileError(F, errorCodeToError(EC)); |
1321 | } |
1322 | |
1323 | /// Concatenate a source file path and/or name with line number and |
1324 | /// std::error_code to form an Error object. |
1325 | inline Error createFileError(const Twine &F, size_t Line, std::error_code EC) { |
1326 | return createFileError(F, Line, errorCodeToError(EC)); |
1327 | } |
1328 | |
1329 | Error createFileError(const Twine &F, ErrorSuccess) = delete; |
1330 | |
1331 | /// Helper for check-and-exit error handling. |
1332 | /// |
1333 | /// For tool use only. NOT FOR USE IN LIBRARY CODE. |
1334 | /// |
1335 | class ExitOnError { |
1336 | public: |
1337 | /// Create an error on exit helper. |
1338 | ExitOnError(std::string Banner = "", int DefaultErrorExitCode = 1) |
1339 | : Banner(std::move(Banner)), |
1340 | GetExitCode([=](const Error &) { return DefaultErrorExitCode; }) {} |
1341 | |
1342 | /// Set the banner string for any errors caught by operator(). |
1343 | void setBanner(std::string Banner) { this->Banner = std::move(Banner); } |
1344 | |
1345 | /// Set the exit-code mapper function. |
1346 | void setExitCodeMapper(std::function<int(const Error &)> GetExitCode) { |
1347 | this->GetExitCode = std::move(GetExitCode); |
1348 | } |
1349 | |
1350 | /// Check Err. If it's in a failure state log the error(s) and exit. |
1351 | void operator()(Error Err) const { checkError(std::move(Err)); } |
1352 | |
1353 | /// Check E. If it's in a success state then return the contained value. If |
1354 | /// it's in a failure state log the error(s) and exit. |
1355 | template <typename T> T operator()(Expected<T> &&E) const { |
1356 | checkError(E.takeError()); |
1357 | return std::move(*E); |
1358 | } |
1359 | |
1360 | /// Check E. If it's in a success state then return the contained reference. If |
1361 | /// it's in a failure state log the error(s) and exit. |
1362 | template <typename T> T& operator()(Expected<T&> &&E) const { |
1363 | checkError(E.takeError()); |
1364 | return *E; |
1365 | } |
1366 | |
1367 | private: |
1368 | void checkError(Error Err) const { |
1369 | if (Err) { |
1370 | int ExitCode = GetExitCode(Err); |
1371 | logAllUnhandledErrors(std::move(Err), errs(), Banner); |
1372 | exit(ExitCode); |
1373 | } |
1374 | } |
1375 | |
1376 | std::string Banner; |
1377 | std::function<int(const Error &)> GetExitCode; |
1378 | }; |
1379 | |
1380 | /// Conversion from Error to LLVMErrorRef for C error bindings. |
1381 | inline LLVMErrorRef wrap(Error Err) { |
1382 | return reinterpret_cast<LLVMErrorRef>(Err.takePayload().release()); |
1383 | } |
1384 | |
1385 | /// Conversion from LLVMErrorRef to Error for C error bindings. |
1386 | inline Error unwrap(LLVMErrorRef ErrRef) { |
1387 | return Error(std::unique_ptr<ErrorInfoBase>( |
1388 | reinterpret_cast<ErrorInfoBase *>(ErrRef))); |
1389 | } |
1390 | |
1391 | } // end namespace llvm |
1392 | |
1393 | #endif // LLVM_SUPPORT_ERROR_H |