File: | lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp |
Warning: | line 6927, column 21 Called C++ object pointer is null |
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1 | //===-- TypeSystemClang.cpp -----------------------------------------------===// | |||
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 | #include "TypeSystemClang.h" | |||
10 | ||||
11 | #include "llvm/Support/FormatAdapters.h" | |||
12 | #include "llvm/Support/FormatVariadic.h" | |||
13 | ||||
14 | #include <mutex> | |||
15 | #include <string> | |||
16 | #include <vector> | |||
17 | ||||
18 | #include "clang/AST/ASTContext.h" | |||
19 | #include "clang/AST/ASTImporter.h" | |||
20 | #include "clang/AST/Attr.h" | |||
21 | #include "clang/AST/CXXInheritance.h" | |||
22 | #include "clang/AST/DeclObjC.h" | |||
23 | #include "clang/AST/DeclTemplate.h" | |||
24 | #include "clang/AST/Mangle.h" | |||
25 | #include "clang/AST/RecordLayout.h" | |||
26 | #include "clang/AST/Type.h" | |||
27 | #include "clang/AST/VTableBuilder.h" | |||
28 | #include "clang/Basic/Builtins.h" | |||
29 | #include "clang/Basic/Diagnostic.h" | |||
30 | #include "clang/Basic/FileManager.h" | |||
31 | #include "clang/Basic/FileSystemOptions.h" | |||
32 | #include "clang/Basic/LangStandard.h" | |||
33 | #include "clang/Basic/SourceManager.h" | |||
34 | #include "clang/Basic/TargetInfo.h" | |||
35 | #include "clang/Basic/TargetOptions.h" | |||
36 | #include "clang/Frontend/FrontendOptions.h" | |||
37 | #include "clang/Lex/HeaderSearch.h" | |||
38 | #include "clang/Lex/HeaderSearchOptions.h" | |||
39 | #include "clang/Lex/ModuleMap.h" | |||
40 | #include "clang/Sema/Sema.h" | |||
41 | ||||
42 | #include "llvm/Support/Signals.h" | |||
43 | #include "llvm/Support/Threading.h" | |||
44 | ||||
45 | #include "Plugins/ExpressionParser/Clang/ClangASTImporter.h" | |||
46 | #include "Plugins/ExpressionParser/Clang/ClangASTMetadata.h" | |||
47 | #include "Plugins/ExpressionParser/Clang/ClangExternalASTSourceCallbacks.h" | |||
48 | #include "Plugins/ExpressionParser/Clang/ClangFunctionCaller.h" | |||
49 | #include "Plugins/ExpressionParser/Clang/ClangPersistentVariables.h" | |||
50 | #include "Plugins/ExpressionParser/Clang/ClangUserExpression.h" | |||
51 | #include "Plugins/ExpressionParser/Clang/ClangUtil.h" | |||
52 | #include "Plugins/ExpressionParser/Clang/ClangUtilityFunction.h" | |||
53 | #include "lldb/Utility/ArchSpec.h" | |||
54 | #include "lldb/Utility/Flags.h" | |||
55 | ||||
56 | #include "lldb/Core/DumpDataExtractor.h" | |||
57 | #include "lldb/Core/Module.h" | |||
58 | #include "lldb/Core/PluginManager.h" | |||
59 | #include "lldb/Core/StreamFile.h" | |||
60 | #include "lldb/Core/ThreadSafeDenseMap.h" | |||
61 | #include "lldb/Core/UniqueCStringMap.h" | |||
62 | #include "lldb/Symbol/ObjectFile.h" | |||
63 | #include "lldb/Symbol/SymbolFile.h" | |||
64 | #include "lldb/Target/ExecutionContext.h" | |||
65 | #include "lldb/Target/Language.h" | |||
66 | #include "lldb/Target/Process.h" | |||
67 | #include "lldb/Target/Target.h" | |||
68 | #include "lldb/Utility/DataExtractor.h" | |||
69 | #include "lldb/Utility/LLDBAssert.h" | |||
70 | #include "lldb/Utility/Log.h" | |||
71 | #include "lldb/Utility/RegularExpression.h" | |||
72 | #include "lldb/Utility/Scalar.h" | |||
73 | ||||
74 | #include "Plugins/LanguageRuntime/ObjC/ObjCLanguageRuntime.h" | |||
75 | #include "Plugins/SymbolFile/DWARF/DWARFASTParserClang.h" | |||
76 | #include "Plugins/SymbolFile/PDB/PDBASTParser.h" | |||
77 | ||||
78 | #include <cstdio> | |||
79 | ||||
80 | #include <mutex> | |||
81 | ||||
82 | using namespace lldb; | |||
83 | using namespace lldb_private; | |||
84 | using namespace clang; | |||
85 | using llvm::StringSwitch; | |||
86 | ||||
87 | LLDB_PLUGIN_DEFINE(TypeSystemClang)namespace lldb_private { void lldb_initialize_TypeSystemClang () { TypeSystemClang::Initialize(); } void lldb_terminate_TypeSystemClang () { TypeSystemClang::Terminate(); } } | |||
88 | ||||
89 | namespace { | |||
90 | static void VerifyDecl(clang::Decl *decl) { | |||
91 | assert(decl && "VerifyDecl called with nullptr?")(static_cast <bool> (decl && "VerifyDecl called with nullptr?" ) ? void (0) : __assert_fail ("decl && \"VerifyDecl called with nullptr?\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 91, __extension__ __PRETTY_FUNCTION__)); | |||
92 | #ifndef NDEBUG | |||
93 | // We don't care about the actual access value here but only want to trigger | |||
94 | // that Clang calls its internal Decl::AccessDeclContextCheck validation. | |||
95 | decl->getAccess(); | |||
96 | #endif | |||
97 | } | |||
98 | ||||
99 | static inline bool | |||
100 | TypeSystemClangSupportsLanguage(lldb::LanguageType language) { | |||
101 | return language == eLanguageTypeUnknown || // Clang is the default type system | |||
102 | lldb_private::Language::LanguageIsC(language) || | |||
103 | lldb_private::Language::LanguageIsCPlusPlus(language) || | |||
104 | lldb_private::Language::LanguageIsObjC(language) || | |||
105 | lldb_private::Language::LanguageIsPascal(language) || | |||
106 | // Use Clang for Rust until there is a proper language plugin for it | |||
107 | language == eLanguageTypeRust || | |||
108 | language == eLanguageTypeExtRenderScript || | |||
109 | // Use Clang for D until there is a proper language plugin for it | |||
110 | language == eLanguageTypeD || | |||
111 | // Open Dylan compiler debug info is designed to be Clang-compatible | |||
112 | language == eLanguageTypeDylan; | |||
113 | } | |||
114 | ||||
115 | // Checks whether m1 is an overload of m2 (as opposed to an override). This is | |||
116 | // called by addOverridesForMethod to distinguish overrides (which share a | |||
117 | // vtable entry) from overloads (which require distinct entries). | |||
118 | bool isOverload(clang::CXXMethodDecl *m1, clang::CXXMethodDecl *m2) { | |||
119 | // FIXME: This should detect covariant return types, but currently doesn't. | |||
120 | lldbassert(&m1->getASTContext() == &m2->getASTContext() &&lldb_private::lldb_assert(static_cast<bool>(&m1-> getASTContext() == &m2->getASTContext() && "Methods should have the same AST context" ), "&m1->getASTContext() == &m2->getASTContext() && \"Methods should have the same AST context\"" , __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 121) | |||
121 | "Methods should have the same AST context")lldb_private::lldb_assert(static_cast<bool>(&m1-> getASTContext() == &m2->getASTContext() && "Methods should have the same AST context" ), "&m1->getASTContext() == &m2->getASTContext() && \"Methods should have the same AST context\"" , __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 121); | |||
122 | clang::ASTContext &context = m1->getASTContext(); | |||
123 | ||||
124 | const auto *m1Type = llvm::cast<clang::FunctionProtoType>( | |||
125 | context.getCanonicalType(m1->getType())); | |||
126 | ||||
127 | const auto *m2Type = llvm::cast<clang::FunctionProtoType>( | |||
128 | context.getCanonicalType(m2->getType())); | |||
129 | ||||
130 | auto compareArgTypes = [&context](const clang::QualType &m1p, | |||
131 | const clang::QualType &m2p) { | |||
132 | return context.hasSameType(m1p.getUnqualifiedType(), | |||
133 | m2p.getUnqualifiedType()); | |||
134 | }; | |||
135 | ||||
136 | // FIXME: In C++14 and later, we can just pass m2Type->param_type_end() | |||
137 | // as a fourth parameter to std::equal(). | |||
138 | return (m1->getNumParams() != m2->getNumParams()) || | |||
139 | !std::equal(m1Type->param_type_begin(), m1Type->param_type_end(), | |||
140 | m2Type->param_type_begin(), compareArgTypes); | |||
141 | } | |||
142 | ||||
143 | // If decl is a virtual method, walk the base classes looking for methods that | |||
144 | // decl overrides. This table of overridden methods is used by IRGen to | |||
145 | // determine the vtable layout for decl's parent class. | |||
146 | void addOverridesForMethod(clang::CXXMethodDecl *decl) { | |||
147 | if (!decl->isVirtual()) | |||
148 | return; | |||
149 | ||||
150 | clang::CXXBasePaths paths; | |||
151 | llvm::SmallVector<clang::NamedDecl *, 4> decls; | |||
152 | ||||
153 | auto find_overridden_methods = | |||
154 | [&decls, decl](const clang::CXXBaseSpecifier *specifier, | |||
155 | clang::CXXBasePath &path) { | |||
156 | if (auto *base_record = llvm::dyn_cast<clang::CXXRecordDecl>( | |||
157 | specifier->getType()->getAs<clang::RecordType>()->getDecl())) { | |||
158 | ||||
159 | clang::DeclarationName name = decl->getDeclName(); | |||
160 | ||||
161 | // If this is a destructor, check whether the base class destructor is | |||
162 | // virtual. | |||
163 | if (name.getNameKind() == clang::DeclarationName::CXXDestructorName) | |||
164 | if (auto *baseDtorDecl = base_record->getDestructor()) { | |||
165 | if (baseDtorDecl->isVirtual()) { | |||
166 | decls.push_back(baseDtorDecl); | |||
167 | return true; | |||
168 | } else | |||
169 | return false; | |||
170 | } | |||
171 | ||||
172 | // Otherwise, search for name in the base class. | |||
173 | for (path.Decls = base_record->lookup(name).begin(); | |||
174 | path.Decls != path.Decls.end(); ++path.Decls) { | |||
175 | if (auto *method_decl = | |||
176 | llvm::dyn_cast<clang::CXXMethodDecl>(*path.Decls)) | |||
177 | if (method_decl->isVirtual() && !isOverload(decl, method_decl)) { | |||
178 | decls.push_back(method_decl); | |||
179 | return true; | |||
180 | } | |||
181 | } | |||
182 | } | |||
183 | ||||
184 | return false; | |||
185 | }; | |||
186 | ||||
187 | if (decl->getParent()->lookupInBases(find_overridden_methods, paths)) { | |||
188 | for (auto *overridden_decl : decls) | |||
189 | decl->addOverriddenMethod( | |||
190 | llvm::cast<clang::CXXMethodDecl>(overridden_decl)); | |||
191 | } | |||
192 | } | |||
193 | } | |||
194 | ||||
195 | static lldb::addr_t GetVTableAddress(Process &process, | |||
196 | VTableContextBase &vtable_ctx, | |||
197 | ValueObject &valobj, | |||
198 | const ASTRecordLayout &record_layout) { | |||
199 | // Retrieve type info | |||
200 | CompilerType pointee_type; | |||
201 | CompilerType this_type(valobj.GetCompilerType()); | |||
202 | uint32_t type_info = this_type.GetTypeInfo(&pointee_type); | |||
203 | if (!type_info) | |||
204 | return LLDB_INVALID_ADDRESS(18446744073709551615UL); | |||
205 | ||||
206 | // Check if it's a pointer or reference | |||
207 | bool ptr_or_ref = false; | |||
208 | if (type_info & (eTypeIsPointer | eTypeIsReference)) { | |||
209 | ptr_or_ref = true; | |||
210 | type_info = pointee_type.GetTypeInfo(); | |||
211 | } | |||
212 | ||||
213 | // We process only C++ classes | |||
214 | const uint32_t cpp_class = eTypeIsClass | eTypeIsCPlusPlus; | |||
215 | if ((type_info & cpp_class) != cpp_class) | |||
216 | return LLDB_INVALID_ADDRESS(18446744073709551615UL); | |||
217 | ||||
218 | // Calculate offset to VTable pointer | |||
219 | lldb::offset_t vbtable_ptr_offset = | |||
220 | vtable_ctx.isMicrosoft() ? record_layout.getVBPtrOffset().getQuantity() | |||
221 | : 0; | |||
222 | ||||
223 | if (ptr_or_ref) { | |||
224 | // We have a pointer / ref to object, so read | |||
225 | // VTable pointer from process memory | |||
226 | ||||
227 | if (valobj.GetAddressTypeOfChildren() != eAddressTypeLoad) | |||
228 | return LLDB_INVALID_ADDRESS(18446744073709551615UL); | |||
229 | ||||
230 | auto vbtable_ptr_addr = valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS(18446744073709551615UL)); | |||
231 | if (vbtable_ptr_addr == LLDB_INVALID_ADDRESS(18446744073709551615UL)) | |||
232 | return LLDB_INVALID_ADDRESS(18446744073709551615UL); | |||
233 | ||||
234 | vbtable_ptr_addr += vbtable_ptr_offset; | |||
235 | ||||
236 | Status err; | |||
237 | return process.ReadPointerFromMemory(vbtable_ptr_addr, err); | |||
238 | } | |||
239 | ||||
240 | // We have an object already read from process memory, | |||
241 | // so just extract VTable pointer from it | |||
242 | ||||
243 | DataExtractor data; | |||
244 | Status err; | |||
245 | auto size = valobj.GetData(data, err); | |||
246 | if (err.Fail() || vbtable_ptr_offset + data.GetAddressByteSize() > size) | |||
247 | return LLDB_INVALID_ADDRESS(18446744073709551615UL); | |||
248 | ||||
249 | return data.GetAddress(&vbtable_ptr_offset); | |||
250 | } | |||
251 | ||||
252 | static int64_t ReadVBaseOffsetFromVTable(Process &process, | |||
253 | VTableContextBase &vtable_ctx, | |||
254 | lldb::addr_t vtable_ptr, | |||
255 | const CXXRecordDecl *cxx_record_decl, | |||
256 | const CXXRecordDecl *base_class_decl) { | |||
257 | if (vtable_ctx.isMicrosoft()) { | |||
258 | clang::MicrosoftVTableContext &msoft_vtable_ctx = | |||
259 | static_cast<clang::MicrosoftVTableContext &>(vtable_ctx); | |||
260 | ||||
261 | // Get the index into the virtual base table. The | |||
262 | // index is the index in uint32_t from vbtable_ptr | |||
263 | const unsigned vbtable_index = | |||
264 | msoft_vtable_ctx.getVBTableIndex(cxx_record_decl, base_class_decl); | |||
265 | const lldb::addr_t base_offset_addr = vtable_ptr + vbtable_index * 4; | |||
266 | Status err; | |||
267 | return process.ReadSignedIntegerFromMemory(base_offset_addr, 4, INT64_MAX(9223372036854775807L), | |||
268 | err); | |||
269 | } | |||
270 | ||||
271 | clang::ItaniumVTableContext &itanium_vtable_ctx = | |||
272 | static_cast<clang::ItaniumVTableContext &>(vtable_ctx); | |||
273 | ||||
274 | clang::CharUnits base_offset_offset = | |||
275 | itanium_vtable_ctx.getVirtualBaseOffsetOffset(cxx_record_decl, | |||
276 | base_class_decl); | |||
277 | const lldb::addr_t base_offset_addr = | |||
278 | vtable_ptr + base_offset_offset.getQuantity(); | |||
279 | const uint32_t base_offset_size = process.GetAddressByteSize(); | |||
280 | Status err; | |||
281 | return process.ReadSignedIntegerFromMemory(base_offset_addr, base_offset_size, | |||
282 | INT64_MAX(9223372036854775807L), err); | |||
283 | } | |||
284 | ||||
285 | static bool GetVBaseBitOffset(VTableContextBase &vtable_ctx, | |||
286 | ValueObject &valobj, | |||
287 | const ASTRecordLayout &record_layout, | |||
288 | const CXXRecordDecl *cxx_record_decl, | |||
289 | const CXXRecordDecl *base_class_decl, | |||
290 | int32_t &bit_offset) { | |||
291 | ExecutionContext exe_ctx(valobj.GetExecutionContextRef()); | |||
292 | Process *process = exe_ctx.GetProcessPtr(); | |||
293 | if (!process) | |||
294 | return false; | |||
295 | ||||
296 | lldb::addr_t vtable_ptr = | |||
297 | GetVTableAddress(*process, vtable_ctx, valobj, record_layout); | |||
298 | if (vtable_ptr == LLDB_INVALID_ADDRESS(18446744073709551615UL)) | |||
299 | return false; | |||
300 | ||||
301 | auto base_offset = ReadVBaseOffsetFromVTable( | |||
302 | *process, vtable_ctx, vtable_ptr, cxx_record_decl, base_class_decl); | |||
303 | if (base_offset == INT64_MAX(9223372036854775807L)) | |||
304 | return false; | |||
305 | ||||
306 | bit_offset = base_offset * 8; | |||
307 | ||||
308 | return true; | |||
309 | } | |||
310 | ||||
311 | typedef lldb_private::ThreadSafeDenseMap<clang::ASTContext *, TypeSystemClang *> | |||
312 | ClangASTMap; | |||
313 | ||||
314 | static ClangASTMap &GetASTMap() { | |||
315 | static ClangASTMap *g_map_ptr = nullptr; | |||
316 | static llvm::once_flag g_once_flag; | |||
317 | llvm::call_once(g_once_flag, []() { | |||
318 | g_map_ptr = new ClangASTMap(); // leaked on purpose to avoid spins | |||
319 | }); | |||
320 | return *g_map_ptr; | |||
321 | } | |||
322 | ||||
323 | TypePayloadClang::TypePayloadClang(OptionalClangModuleID owning_module, | |||
324 | bool is_complete_objc_class) | |||
325 | : m_payload(owning_module.GetValue()) { | |||
326 | SetIsCompleteObjCClass(is_complete_objc_class); | |||
327 | } | |||
328 | ||||
329 | void TypePayloadClang::SetOwningModule(OptionalClangModuleID id) { | |||
330 | assert(id.GetValue() < ObjCClassBit)(static_cast <bool> (id.GetValue() < ObjCClassBit) ? void (0) : __assert_fail ("id.GetValue() < ObjCClassBit", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 330 , __extension__ __PRETTY_FUNCTION__)); | |||
331 | bool is_complete = IsCompleteObjCClass(); | |||
332 | m_payload = id.GetValue(); | |||
333 | SetIsCompleteObjCClass(is_complete); | |||
334 | } | |||
335 | ||||
336 | static void SetMemberOwningModule(clang::Decl *member, | |||
337 | const clang::Decl *parent) { | |||
338 | if (!member || !parent) | |||
339 | return; | |||
340 | ||||
341 | OptionalClangModuleID id(parent->getOwningModuleID()); | |||
342 | if (!id.HasValue()) | |||
343 | return; | |||
344 | ||||
345 | member->setFromASTFile(); | |||
346 | member->setOwningModuleID(id.GetValue()); | |||
347 | member->setModuleOwnershipKind(clang::Decl::ModuleOwnershipKind::Visible); | |||
348 | if (llvm::isa<clang::NamedDecl>(member)) | |||
349 | if (auto *dc = llvm::dyn_cast<clang::DeclContext>(parent)) { | |||
350 | dc->setHasExternalVisibleStorage(true); | |||
351 | // This triggers ExternalASTSource::FindExternalVisibleDeclsByName() to be | |||
352 | // called when searching for members. | |||
353 | dc->setHasExternalLexicalStorage(true); | |||
354 | } | |||
355 | } | |||
356 | ||||
357 | char TypeSystemClang::ID; | |||
358 | ||||
359 | bool TypeSystemClang::IsOperator(llvm::StringRef name, | |||
360 | clang::OverloadedOperatorKind &op_kind) { | |||
361 | // All operators have to start with "operator". | |||
362 | if (!name.consume_front("operator")) | |||
363 | return false; | |||
364 | ||||
365 | // Remember if there was a space after "operator". This is necessary to | |||
366 | // check for collisions with strangely named functions like "operatorint()". | |||
367 | bool space_after_operator = name.consume_front(" "); | |||
368 | ||||
369 | op_kind = StringSwitch<clang::OverloadedOperatorKind>(name) | |||
370 | .Case("+", clang::OO_Plus) | |||
371 | .Case("+=", clang::OO_PlusEqual) | |||
372 | .Case("++", clang::OO_PlusPlus) | |||
373 | .Case("-", clang::OO_Minus) | |||
374 | .Case("-=", clang::OO_MinusEqual) | |||
375 | .Case("--", clang::OO_MinusMinus) | |||
376 | .Case("->", clang::OO_Arrow) | |||
377 | .Case("->*", clang::OO_ArrowStar) | |||
378 | .Case("*", clang::OO_Star) | |||
379 | .Case("*=", clang::OO_StarEqual) | |||
380 | .Case("/", clang::OO_Slash) | |||
381 | .Case("/=", clang::OO_SlashEqual) | |||
382 | .Case("%", clang::OO_Percent) | |||
383 | .Case("%=", clang::OO_PercentEqual) | |||
384 | .Case("^", clang::OO_Caret) | |||
385 | .Case("^=", clang::OO_CaretEqual) | |||
386 | .Case("&", clang::OO_Amp) | |||
387 | .Case("&=", clang::OO_AmpEqual) | |||
388 | .Case("&&", clang::OO_AmpAmp) | |||
389 | .Case("|", clang::OO_Pipe) | |||
390 | .Case("|=", clang::OO_PipeEqual) | |||
391 | .Case("||", clang::OO_PipePipe) | |||
392 | .Case("~", clang::OO_Tilde) | |||
393 | .Case("!", clang::OO_Exclaim) | |||
394 | .Case("!=", clang::OO_ExclaimEqual) | |||
395 | .Case("=", clang::OO_Equal) | |||
396 | .Case("==", clang::OO_EqualEqual) | |||
397 | .Case("<", clang::OO_Less) | |||
398 | .Case("<<", clang::OO_LessLess) | |||
399 | .Case("<<=", clang::OO_LessLessEqual) | |||
400 | .Case("<=", clang::OO_LessEqual) | |||
401 | .Case(">", clang::OO_Greater) | |||
402 | .Case(">>", clang::OO_GreaterGreater) | |||
403 | .Case(">>=", clang::OO_GreaterGreaterEqual) | |||
404 | .Case(">=", clang::OO_GreaterEqual) | |||
405 | .Case("()", clang::OO_Call) | |||
406 | .Case("[]", clang::OO_Subscript) | |||
407 | .Case(",", clang::OO_Comma) | |||
408 | .Default(clang::NUM_OVERLOADED_OPERATORS); | |||
409 | ||||
410 | // We found a fitting operator, so we can exit now. | |||
411 | if (op_kind != clang::NUM_OVERLOADED_OPERATORS) | |||
412 | return true; | |||
413 | ||||
414 | // After the "operator " or "operator" part is something unknown. This means | |||
415 | // it's either one of the named operators (new/delete), a conversion operator | |||
416 | // (e.g. operator bool) or a function which name starts with "operator" | |||
417 | // (e.g. void operatorbool). | |||
418 | ||||
419 | // If it's a function that starts with operator it can't have a space after | |||
420 | // "operator" because identifiers can't contain spaces. | |||
421 | // E.g. "operator int" (conversion operator) | |||
422 | // vs. "operatorint" (function with colliding name). | |||
423 | if (!space_after_operator) | |||
424 | return false; // not an operator. | |||
425 | ||||
426 | // Now the operator is either one of the named operators or a conversion | |||
427 | // operator. | |||
428 | op_kind = StringSwitch<clang::OverloadedOperatorKind>(name) | |||
429 | .Case("new", clang::OO_New) | |||
430 | .Case("new[]", clang::OO_Array_New) | |||
431 | .Case("delete", clang::OO_Delete) | |||
432 | .Case("delete[]", clang::OO_Array_Delete) | |||
433 | // conversion operators hit this case. | |||
434 | .Default(clang::NUM_OVERLOADED_OPERATORS); | |||
435 | ||||
436 | return true; | |||
437 | } | |||
438 | ||||
439 | clang::AccessSpecifier | |||
440 | TypeSystemClang::ConvertAccessTypeToAccessSpecifier(AccessType access) { | |||
441 | switch (access) { | |||
442 | default: | |||
443 | break; | |||
444 | case eAccessNone: | |||
445 | return AS_none; | |||
446 | case eAccessPublic: | |||
447 | return AS_public; | |||
448 | case eAccessPrivate: | |||
449 | return AS_private; | |||
450 | case eAccessProtected: | |||
451 | return AS_protected; | |||
452 | } | |||
453 | return AS_none; | |||
454 | } | |||
455 | ||||
456 | static void ParseLangArgs(LangOptions &Opts, InputKind IK, const char *triple) { | |||
457 | // FIXME: Cleanup per-file based stuff. | |||
458 | ||||
459 | // Set some properties which depend solely on the input kind; it would be | |||
460 | // nice to move these to the language standard, and have the driver resolve | |||
461 | // the input kind + language standard. | |||
462 | if (IK.getLanguage() == clang::Language::Asm) { | |||
463 | Opts.AsmPreprocessor = 1; | |||
464 | } else if (IK.isObjectiveC()) { | |||
465 | Opts.ObjC = 1; | |||
466 | } | |||
467 | ||||
468 | LangStandard::Kind LangStd = LangStandard::lang_unspecified; | |||
469 | ||||
470 | if (LangStd == LangStandard::lang_unspecified) { | |||
471 | // Based on the base language, pick one. | |||
472 | switch (IK.getLanguage()) { | |||
473 | case clang::Language::Unknown: | |||
474 | case clang::Language::LLVM_IR: | |||
475 | case clang::Language::RenderScript: | |||
476 | llvm_unreachable("Invalid input kind!")::llvm::llvm_unreachable_internal("Invalid input kind!", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 476); | |||
477 | case clang::Language::OpenCL: | |||
478 | LangStd = LangStandard::lang_opencl10; | |||
479 | break; | |||
480 | case clang::Language::OpenCLCXX: | |||
481 | LangStd = LangStandard::lang_openclcpp10; | |||
482 | break; | |||
483 | case clang::Language::CUDA: | |||
484 | LangStd = LangStandard::lang_cuda; | |||
485 | break; | |||
486 | case clang::Language::Asm: | |||
487 | case clang::Language::C: | |||
488 | case clang::Language::ObjC: | |||
489 | LangStd = LangStandard::lang_gnu99; | |||
490 | break; | |||
491 | case clang::Language::CXX: | |||
492 | case clang::Language::ObjCXX: | |||
493 | LangStd = LangStandard::lang_gnucxx98; | |||
494 | break; | |||
495 | case clang::Language::HIP: | |||
496 | LangStd = LangStandard::lang_hip; | |||
497 | break; | |||
498 | } | |||
499 | } | |||
500 | ||||
501 | const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); | |||
502 | Opts.LineComment = Std.hasLineComments(); | |||
503 | Opts.C99 = Std.isC99(); | |||
504 | Opts.CPlusPlus = Std.isCPlusPlus(); | |||
505 | Opts.CPlusPlus11 = Std.isCPlusPlus11(); | |||
506 | Opts.Digraphs = Std.hasDigraphs(); | |||
507 | Opts.GNUMode = Std.isGNUMode(); | |||
508 | Opts.GNUInline = !Std.isC99(); | |||
509 | Opts.HexFloats = Std.hasHexFloats(); | |||
510 | Opts.ImplicitInt = Std.hasImplicitInt(); | |||
511 | ||||
512 | Opts.WChar = true; | |||
513 | ||||
514 | // OpenCL has some additional defaults. | |||
515 | if (LangStd == LangStandard::lang_opencl10) { | |||
516 | Opts.OpenCL = 1; | |||
517 | Opts.AltiVec = 1; | |||
518 | Opts.CXXOperatorNames = 1; | |||
519 | Opts.setLaxVectorConversions(LangOptions::LaxVectorConversionKind::All); | |||
520 | } | |||
521 | ||||
522 | // OpenCL and C++ both have bool, true, false keywords. | |||
523 | Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; | |||
524 | ||||
525 | Opts.setValueVisibilityMode(DefaultVisibility); | |||
526 | ||||
527 | // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs is | |||
528 | // specified, or -std is set to a conforming mode. | |||
529 | Opts.Trigraphs = !Opts.GNUMode; | |||
530 | Opts.CharIsSigned = ArchSpec(triple).CharIsSignedByDefault(); | |||
531 | Opts.OptimizeSize = 0; | |||
532 | ||||
533 | // FIXME: Eliminate this dependency. | |||
534 | // unsigned Opt = | |||
535 | // Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags); | |||
536 | // Opts.Optimize = Opt != 0; | |||
537 | unsigned Opt = 0; | |||
538 | ||||
539 | // This is the __NO_INLINE__ define, which just depends on things like the | |||
540 | // optimization level and -fno-inline, not actually whether the backend has | |||
541 | // inlining enabled. | |||
542 | // | |||
543 | // FIXME: This is affected by other options (-fno-inline). | |||
544 | Opts.NoInlineDefine = !Opt; | |||
545 | ||||
546 | // This is needed to allocate the extra space for the owning module | |||
547 | // on each decl. | |||
548 | Opts.ModulesLocalVisibility = 1; | |||
549 | } | |||
550 | ||||
551 | TypeSystemClang::TypeSystemClang(llvm::StringRef name, | |||
552 | llvm::Triple target_triple) { | |||
553 | m_display_name = name.str(); | |||
554 | if (!target_triple.str().empty()) | |||
555 | SetTargetTriple(target_triple.str()); | |||
556 | // The caller didn't pass an ASTContext so create a new one for this | |||
557 | // TypeSystemClang. | |||
558 | CreateASTContext(); | |||
559 | } | |||
560 | ||||
561 | TypeSystemClang::TypeSystemClang(llvm::StringRef name, | |||
562 | ASTContext &existing_ctxt) { | |||
563 | m_display_name = name.str(); | |||
564 | SetTargetTriple(existing_ctxt.getTargetInfo().getTriple().str()); | |||
565 | ||||
566 | m_ast_up.reset(&existing_ctxt); | |||
567 | GetASTMap().Insert(&existing_ctxt, this); | |||
568 | } | |||
569 | ||||
570 | // Destructor | |||
571 | TypeSystemClang::~TypeSystemClang() { Finalize(); } | |||
572 | ||||
573 | lldb::TypeSystemSP TypeSystemClang::CreateInstance(lldb::LanguageType language, | |||
574 | lldb_private::Module *module, | |||
575 | Target *target) { | |||
576 | if (!TypeSystemClangSupportsLanguage(language)) | |||
577 | return lldb::TypeSystemSP(); | |||
578 | ArchSpec arch; | |||
579 | if (module) | |||
580 | arch = module->GetArchitecture(); | |||
581 | else if (target) | |||
582 | arch = target->GetArchitecture(); | |||
583 | ||||
584 | if (!arch.IsValid()) | |||
585 | return lldb::TypeSystemSP(); | |||
586 | ||||
587 | llvm::Triple triple = arch.GetTriple(); | |||
588 | // LLVM wants this to be set to iOS or MacOSX; if we're working on | |||
589 | // a bare-boards type image, change the triple for llvm's benefit. | |||
590 | if (triple.getVendor() == llvm::Triple::Apple && | |||
591 | triple.getOS() == llvm::Triple::UnknownOS) { | |||
592 | if (triple.getArch() == llvm::Triple::arm || | |||
593 | triple.getArch() == llvm::Triple::aarch64 || | |||
594 | triple.getArch() == llvm::Triple::aarch64_32 || | |||
595 | triple.getArch() == llvm::Triple::thumb) { | |||
596 | triple.setOS(llvm::Triple::IOS); | |||
597 | } else { | |||
598 | triple.setOS(llvm::Triple::MacOSX); | |||
599 | } | |||
600 | } | |||
601 | ||||
602 | if (module) { | |||
603 | std::string ast_name = | |||
604 | "ASTContext for '" + module->GetFileSpec().GetPath() + "'"; | |||
605 | return std::make_shared<TypeSystemClang>(ast_name, triple); | |||
606 | } else if (target && target->IsValid()) | |||
607 | return std::make_shared<ScratchTypeSystemClang>(*target, triple); | |||
608 | return lldb::TypeSystemSP(); | |||
609 | } | |||
610 | ||||
611 | LanguageSet TypeSystemClang::GetSupportedLanguagesForTypes() { | |||
612 | LanguageSet languages; | |||
613 | languages.Insert(lldb::eLanguageTypeC89); | |||
614 | languages.Insert(lldb::eLanguageTypeC); | |||
615 | languages.Insert(lldb::eLanguageTypeC11); | |||
616 | languages.Insert(lldb::eLanguageTypeC_plus_plus); | |||
617 | languages.Insert(lldb::eLanguageTypeC99); | |||
618 | languages.Insert(lldb::eLanguageTypeObjC); | |||
619 | languages.Insert(lldb::eLanguageTypeObjC_plus_plus); | |||
620 | languages.Insert(lldb::eLanguageTypeC_plus_plus_03); | |||
621 | languages.Insert(lldb::eLanguageTypeC_plus_plus_11); | |||
622 | languages.Insert(lldb::eLanguageTypeC11); | |||
623 | languages.Insert(lldb::eLanguageTypeC_plus_plus_14); | |||
624 | return languages; | |||
625 | } | |||
626 | ||||
627 | LanguageSet TypeSystemClang::GetSupportedLanguagesForExpressions() { | |||
628 | LanguageSet languages; | |||
629 | languages.Insert(lldb::eLanguageTypeC_plus_plus); | |||
630 | languages.Insert(lldb::eLanguageTypeObjC_plus_plus); | |||
631 | languages.Insert(lldb::eLanguageTypeC_plus_plus_03); | |||
632 | languages.Insert(lldb::eLanguageTypeC_plus_plus_11); | |||
633 | languages.Insert(lldb::eLanguageTypeC_plus_plus_14); | |||
634 | return languages; | |||
635 | } | |||
636 | ||||
637 | void TypeSystemClang::Initialize() { | |||
638 | PluginManager::RegisterPlugin( | |||
639 | GetPluginNameStatic(), "clang base AST context plug-in", CreateInstance, | |||
640 | GetSupportedLanguagesForTypes(), GetSupportedLanguagesForExpressions()); | |||
641 | } | |||
642 | ||||
643 | void TypeSystemClang::Terminate() { | |||
644 | PluginManager::UnregisterPlugin(CreateInstance); | |||
645 | } | |||
646 | ||||
647 | void TypeSystemClang::Finalize() { | |||
648 | assert(m_ast_up)(static_cast <bool> (m_ast_up) ? void (0) : __assert_fail ("m_ast_up", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 648, __extension__ __PRETTY_FUNCTION__)); | |||
649 | GetASTMap().Erase(m_ast_up.get()); | |||
650 | if (!m_ast_owned) | |||
651 | m_ast_up.release(); | |||
652 | ||||
653 | m_builtins_up.reset(); | |||
654 | m_selector_table_up.reset(); | |||
655 | m_identifier_table_up.reset(); | |||
656 | m_target_info_up.reset(); | |||
657 | m_target_options_rp.reset(); | |||
658 | m_diagnostics_engine_up.reset(); | |||
659 | m_source_manager_up.reset(); | |||
660 | m_language_options_up.reset(); | |||
661 | } | |||
662 | ||||
663 | void TypeSystemClang::setSema(Sema *s) { | |||
664 | // Ensure that the new sema actually belongs to our ASTContext. | |||
665 | assert(s == nullptr || &s->getASTContext() == m_ast_up.get())(static_cast <bool> (s == nullptr || &s->getASTContext () == m_ast_up.get()) ? void (0) : __assert_fail ("s == nullptr || &s->getASTContext() == m_ast_up.get()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 665, __extension__ __PRETTY_FUNCTION__)); | |||
666 | m_sema = s; | |||
667 | } | |||
668 | ||||
669 | const char *TypeSystemClang::GetTargetTriple() { | |||
670 | return m_target_triple.c_str(); | |||
671 | } | |||
672 | ||||
673 | void TypeSystemClang::SetTargetTriple(llvm::StringRef target_triple) { | |||
674 | m_target_triple = target_triple.str(); | |||
675 | } | |||
676 | ||||
677 | void TypeSystemClang::SetExternalSource( | |||
678 | llvm::IntrusiveRefCntPtr<ExternalASTSource> &ast_source_up) { | |||
679 | ASTContext &ast = getASTContext(); | |||
680 | ast.getTranslationUnitDecl()->setHasExternalLexicalStorage(true); | |||
681 | ast.setExternalSource(ast_source_up); | |||
682 | } | |||
683 | ||||
684 | ASTContext &TypeSystemClang::getASTContext() { | |||
685 | assert(m_ast_up)(static_cast <bool> (m_ast_up) ? void (0) : __assert_fail ("m_ast_up", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 685, __extension__ __PRETTY_FUNCTION__)); | |||
686 | return *m_ast_up; | |||
687 | } | |||
688 | ||||
689 | class NullDiagnosticConsumer : public DiagnosticConsumer { | |||
690 | public: | |||
691 | NullDiagnosticConsumer() { | |||
692 | m_log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS::lldb_private::LLDBLog::Expressions); | |||
693 | } | |||
694 | ||||
695 | void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, | |||
696 | const clang::Diagnostic &info) override { | |||
697 | if (m_log) { | |||
698 | llvm::SmallVector<char, 32> diag_str(10); | |||
699 | info.FormatDiagnostic(diag_str); | |||
700 | diag_str.push_back('\0'); | |||
701 | LLDB_LOGF(m_log, "Compiler diagnostic: %s\n", diag_str.data())do { ::lldb_private::Log *log_private = (m_log); if (log_private ) log_private->Printf("Compiler diagnostic: %s\n", diag_str .data()); } while (0); | |||
702 | } | |||
703 | } | |||
704 | ||||
705 | DiagnosticConsumer *clone(DiagnosticsEngine &Diags) const { | |||
706 | return new NullDiagnosticConsumer(); | |||
707 | } | |||
708 | ||||
709 | private: | |||
710 | Log *m_log; | |||
711 | }; | |||
712 | ||||
713 | void TypeSystemClang::CreateASTContext() { | |||
714 | assert(!m_ast_up)(static_cast <bool> (!m_ast_up) ? void (0) : __assert_fail ("!m_ast_up", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 714, __extension__ __PRETTY_FUNCTION__)); | |||
715 | m_ast_owned = true; | |||
716 | ||||
717 | m_language_options_up = std::make_unique<LangOptions>(); | |||
718 | ParseLangArgs(*m_language_options_up, clang::Language::ObjCXX, | |||
719 | GetTargetTriple()); | |||
720 | ||||
721 | m_identifier_table_up = | |||
722 | std::make_unique<IdentifierTable>(*m_language_options_up, nullptr); | |||
723 | m_builtins_up = std::make_unique<Builtin::Context>(); | |||
724 | ||||
725 | m_selector_table_up = std::make_unique<SelectorTable>(); | |||
726 | ||||
727 | clang::FileSystemOptions file_system_options; | |||
728 | m_file_manager_up = std::make_unique<clang::FileManager>( | |||
729 | file_system_options, FileSystem::Instance().GetVirtualFileSystem()); | |||
730 | ||||
731 | llvm::IntrusiveRefCntPtr<DiagnosticIDs> diag_id_sp(new DiagnosticIDs()); | |||
732 | m_diagnostics_engine_up = | |||
733 | std::make_unique<DiagnosticsEngine>(diag_id_sp, new DiagnosticOptions()); | |||
734 | ||||
735 | m_source_manager_up = std::make_unique<clang::SourceManager>( | |||
736 | *m_diagnostics_engine_up, *m_file_manager_up); | |||
737 | m_ast_up = std::make_unique<ASTContext>( | |||
738 | *m_language_options_up, *m_source_manager_up, *m_identifier_table_up, | |||
739 | *m_selector_table_up, *m_builtins_up, TU_Complete); | |||
740 | ||||
741 | m_diagnostic_consumer_up = std::make_unique<NullDiagnosticConsumer>(); | |||
742 | m_ast_up->getDiagnostics().setClient(m_diagnostic_consumer_up.get(), false); | |||
743 | ||||
744 | // This can be NULL if we don't know anything about the architecture or if | |||
745 | // the target for an architecture isn't enabled in the llvm/clang that we | |||
746 | // built | |||
747 | TargetInfo *target_info = getTargetInfo(); | |||
748 | if (target_info) | |||
749 | m_ast_up->InitBuiltinTypes(*target_info); | |||
750 | ||||
751 | GetASTMap().Insert(m_ast_up.get(), this); | |||
752 | ||||
753 | llvm::IntrusiveRefCntPtr<clang::ExternalASTSource> ast_source_up( | |||
754 | new ClangExternalASTSourceCallbacks(*this)); | |||
755 | SetExternalSource(ast_source_up); | |||
756 | } | |||
757 | ||||
758 | TypeSystemClang *TypeSystemClang::GetASTContext(clang::ASTContext *ast) { | |||
759 | TypeSystemClang *clang_ast = GetASTMap().Lookup(ast); | |||
760 | return clang_ast; | |||
761 | } | |||
762 | ||||
763 | clang::MangleContext *TypeSystemClang::getMangleContext() { | |||
764 | if (m_mangle_ctx_up == nullptr) | |||
765 | m_mangle_ctx_up.reset(getASTContext().createMangleContext()); | |||
766 | return m_mangle_ctx_up.get(); | |||
767 | } | |||
768 | ||||
769 | std::shared_ptr<clang::TargetOptions> &TypeSystemClang::getTargetOptions() { | |||
770 | if (m_target_options_rp == nullptr && !m_target_triple.empty()) { | |||
771 | m_target_options_rp = std::make_shared<clang::TargetOptions>(); | |||
772 | if (m_target_options_rp != nullptr) | |||
773 | m_target_options_rp->Triple = m_target_triple; | |||
774 | } | |||
775 | return m_target_options_rp; | |||
776 | } | |||
777 | ||||
778 | TargetInfo *TypeSystemClang::getTargetInfo() { | |||
779 | // target_triple should be something like "x86_64-apple-macosx" | |||
780 | if (m_target_info_up == nullptr && !m_target_triple.empty()) | |||
781 | m_target_info_up.reset(TargetInfo::CreateTargetInfo( | |||
782 | getASTContext().getDiagnostics(), getTargetOptions())); | |||
783 | return m_target_info_up.get(); | |||
784 | } | |||
785 | ||||
786 | #pragma mark Basic Types | |||
787 | ||||
788 | static inline bool QualTypeMatchesBitSize(const uint64_t bit_size, | |||
789 | ASTContext &ast, QualType qual_type) { | |||
790 | uint64_t qual_type_bit_size = ast.getTypeSize(qual_type); | |||
791 | return qual_type_bit_size == bit_size; | |||
792 | } | |||
793 | ||||
794 | CompilerType | |||
795 | TypeSystemClang::GetBuiltinTypeForEncodingAndBitSize(Encoding encoding, | |||
796 | size_t bit_size) { | |||
797 | ASTContext &ast = getASTContext(); | |||
798 | switch (encoding) { | |||
799 | case eEncodingInvalid: | |||
800 | if (QualTypeMatchesBitSize(bit_size, ast, ast.VoidPtrTy)) | |||
801 | return GetType(ast.VoidPtrTy); | |||
802 | break; | |||
803 | ||||
804 | case eEncodingUint: | |||
805 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) | |||
806 | return GetType(ast.UnsignedCharTy); | |||
807 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) | |||
808 | return GetType(ast.UnsignedShortTy); | |||
809 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) | |||
810 | return GetType(ast.UnsignedIntTy); | |||
811 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy)) | |||
812 | return GetType(ast.UnsignedLongTy); | |||
813 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy)) | |||
814 | return GetType(ast.UnsignedLongLongTy); | |||
815 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty)) | |||
816 | return GetType(ast.UnsignedInt128Ty); | |||
817 | break; | |||
818 | ||||
819 | case eEncodingSint: | |||
820 | if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy)) | |||
821 | return GetType(ast.SignedCharTy); | |||
822 | if (QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy)) | |||
823 | return GetType(ast.ShortTy); | |||
824 | if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy)) | |||
825 | return GetType(ast.IntTy); | |||
826 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongTy)) | |||
827 | return GetType(ast.LongTy); | |||
828 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy)) | |||
829 | return GetType(ast.LongLongTy); | |||
830 | if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty)) | |||
831 | return GetType(ast.Int128Ty); | |||
832 | break; | |||
833 | ||||
834 | case eEncodingIEEE754: | |||
835 | if (QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy)) | |||
836 | return GetType(ast.FloatTy); | |||
837 | if (QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy)) | |||
838 | return GetType(ast.DoubleTy); | |||
839 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy)) | |||
840 | return GetType(ast.LongDoubleTy); | |||
841 | if (QualTypeMatchesBitSize(bit_size, ast, ast.HalfTy)) | |||
842 | return GetType(ast.HalfTy); | |||
843 | break; | |||
844 | ||||
845 | case eEncodingVector: | |||
846 | // Sanity check that bit_size is a multiple of 8's. | |||
847 | if (bit_size && !(bit_size & 0x7u)) | |||
848 | return GetType(ast.getExtVectorType(ast.UnsignedCharTy, bit_size / 8)); | |||
849 | break; | |||
850 | } | |||
851 | ||||
852 | return CompilerType(); | |||
853 | } | |||
854 | ||||
855 | lldb::BasicType | |||
856 | TypeSystemClang::GetBasicTypeEnumeration(ConstString name) { | |||
857 | if (name) { | |||
858 | typedef UniqueCStringMap<lldb::BasicType> TypeNameToBasicTypeMap; | |||
859 | static TypeNameToBasicTypeMap g_type_map; | |||
860 | static llvm::once_flag g_once_flag; | |||
861 | llvm::call_once(g_once_flag, []() { | |||
862 | // "void" | |||
863 | g_type_map.Append(ConstString("void"), eBasicTypeVoid); | |||
864 | ||||
865 | // "char" | |||
866 | g_type_map.Append(ConstString("char"), eBasicTypeChar); | |||
867 | g_type_map.Append(ConstString("signed char"), eBasicTypeSignedChar); | |||
868 | g_type_map.Append(ConstString("unsigned char"), eBasicTypeUnsignedChar); | |||
869 | g_type_map.Append(ConstString("wchar_t"), eBasicTypeWChar); | |||
870 | g_type_map.Append(ConstString("signed wchar_t"), eBasicTypeSignedWChar); | |||
871 | g_type_map.Append(ConstString("unsigned wchar_t"), | |||
872 | eBasicTypeUnsignedWChar); | |||
873 | // "short" | |||
874 | g_type_map.Append(ConstString("short"), eBasicTypeShort); | |||
875 | g_type_map.Append(ConstString("short int"), eBasicTypeShort); | |||
876 | g_type_map.Append(ConstString("unsigned short"), eBasicTypeUnsignedShort); | |||
877 | g_type_map.Append(ConstString("unsigned short int"), | |||
878 | eBasicTypeUnsignedShort); | |||
879 | ||||
880 | // "int" | |||
881 | g_type_map.Append(ConstString("int"), eBasicTypeInt); | |||
882 | g_type_map.Append(ConstString("signed int"), eBasicTypeInt); | |||
883 | g_type_map.Append(ConstString("unsigned int"), eBasicTypeUnsignedInt); | |||
884 | g_type_map.Append(ConstString("unsigned"), eBasicTypeUnsignedInt); | |||
885 | ||||
886 | // "long" | |||
887 | g_type_map.Append(ConstString("long"), eBasicTypeLong); | |||
888 | g_type_map.Append(ConstString("long int"), eBasicTypeLong); | |||
889 | g_type_map.Append(ConstString("unsigned long"), eBasicTypeUnsignedLong); | |||
890 | g_type_map.Append(ConstString("unsigned long int"), | |||
891 | eBasicTypeUnsignedLong); | |||
892 | ||||
893 | // "long long" | |||
894 | g_type_map.Append(ConstString("long long"), eBasicTypeLongLong); | |||
895 | g_type_map.Append(ConstString("long long int"), eBasicTypeLongLong); | |||
896 | g_type_map.Append(ConstString("unsigned long long"), | |||
897 | eBasicTypeUnsignedLongLong); | |||
898 | g_type_map.Append(ConstString("unsigned long long int"), | |||
899 | eBasicTypeUnsignedLongLong); | |||
900 | ||||
901 | // "int128" | |||
902 | g_type_map.Append(ConstString("__int128_t"), eBasicTypeInt128); | |||
903 | g_type_map.Append(ConstString("__uint128_t"), eBasicTypeUnsignedInt128); | |||
904 | ||||
905 | // Miscellaneous | |||
906 | g_type_map.Append(ConstString("bool"), eBasicTypeBool); | |||
907 | g_type_map.Append(ConstString("float"), eBasicTypeFloat); | |||
908 | g_type_map.Append(ConstString("double"), eBasicTypeDouble); | |||
909 | g_type_map.Append(ConstString("long double"), eBasicTypeLongDouble); | |||
910 | g_type_map.Append(ConstString("id"), eBasicTypeObjCID); | |||
911 | g_type_map.Append(ConstString("SEL"), eBasicTypeObjCSel); | |||
912 | g_type_map.Append(ConstString("nullptr"), eBasicTypeNullPtr); | |||
913 | g_type_map.Sort(); | |||
914 | }); | |||
915 | ||||
916 | return g_type_map.Find(name, eBasicTypeInvalid); | |||
917 | } | |||
918 | return eBasicTypeInvalid; | |||
919 | } | |||
920 | ||||
921 | uint32_t TypeSystemClang::GetPointerByteSize() { | |||
922 | if (m_pointer_byte_size == 0) | |||
923 | if (auto size = GetBasicType(lldb::eBasicTypeVoid) | |||
924 | .GetPointerType() | |||
925 | .GetByteSize(nullptr)) | |||
926 | m_pointer_byte_size = *size; | |||
927 | return m_pointer_byte_size; | |||
928 | } | |||
929 | ||||
930 | CompilerType TypeSystemClang::GetBasicType(lldb::BasicType basic_type) { | |||
931 | clang::ASTContext &ast = getASTContext(); | |||
932 | ||||
933 | lldb::opaque_compiler_type_t clang_type = | |||
934 | GetOpaqueCompilerType(&ast, basic_type); | |||
935 | ||||
936 | if (clang_type) | |||
937 | return CompilerType(this, clang_type); | |||
938 | return CompilerType(); | |||
939 | } | |||
940 | ||||
941 | CompilerType TypeSystemClang::GetBuiltinTypeForDWARFEncodingAndBitSize( | |||
942 | llvm::StringRef type_name, uint32_t dw_ate, uint32_t bit_size) { | |||
943 | ASTContext &ast = getASTContext(); | |||
944 | ||||
945 | switch (dw_ate) { | |||
946 | default: | |||
947 | break; | |||
948 | ||||
949 | case DW_ATE_address: | |||
950 | if (QualTypeMatchesBitSize(bit_size, ast, ast.VoidPtrTy)) | |||
951 | return GetType(ast.VoidPtrTy); | |||
952 | break; | |||
953 | ||||
954 | case DW_ATE_boolean: | |||
955 | if (QualTypeMatchesBitSize(bit_size, ast, ast.BoolTy)) | |||
956 | return GetType(ast.BoolTy); | |||
957 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) | |||
958 | return GetType(ast.UnsignedCharTy); | |||
959 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) | |||
960 | return GetType(ast.UnsignedShortTy); | |||
961 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) | |||
962 | return GetType(ast.UnsignedIntTy); | |||
963 | break; | |||
964 | ||||
965 | case DW_ATE_lo_user: | |||
966 | // This has been seen to mean DW_AT_complex_integer | |||
967 | if (type_name.contains("complex")) { | |||
968 | CompilerType complex_int_clang_type = | |||
969 | GetBuiltinTypeForDWARFEncodingAndBitSize("int", DW_ATE_signed, | |||
970 | bit_size / 2); | |||
971 | return GetType( | |||
972 | ast.getComplexType(ClangUtil::GetQualType(complex_int_clang_type))); | |||
973 | } | |||
974 | break; | |||
975 | ||||
976 | case DW_ATE_complex_float: { | |||
977 | CanQualType FloatComplexTy = ast.getComplexType(ast.FloatTy); | |||
978 | if (QualTypeMatchesBitSize(bit_size, ast, FloatComplexTy)) | |||
979 | return GetType(FloatComplexTy); | |||
980 | ||||
981 | CanQualType DoubleComplexTy = ast.getComplexType(ast.DoubleTy); | |||
982 | if (QualTypeMatchesBitSize(bit_size, ast, DoubleComplexTy)) | |||
983 | return GetType(DoubleComplexTy); | |||
984 | ||||
985 | CanQualType LongDoubleComplexTy = ast.getComplexType(ast.LongDoubleTy); | |||
986 | if (QualTypeMatchesBitSize(bit_size, ast, LongDoubleComplexTy)) | |||
987 | return GetType(LongDoubleComplexTy); | |||
988 | ||||
989 | CompilerType complex_float_clang_type = | |||
990 | GetBuiltinTypeForDWARFEncodingAndBitSize("float", DW_ATE_float, | |||
991 | bit_size / 2); | |||
992 | return GetType( | |||
993 | ast.getComplexType(ClangUtil::GetQualType(complex_float_clang_type))); | |||
994 | } | |||
995 | ||||
996 | case DW_ATE_float: | |||
997 | if (type_name == "float" && | |||
998 | QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy)) | |||
999 | return GetType(ast.FloatTy); | |||
1000 | if (type_name == "double" && | |||
1001 | QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy)) | |||
1002 | return GetType(ast.DoubleTy); | |||
1003 | if (type_name == "long double" && | |||
1004 | QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy)) | |||
1005 | return GetType(ast.LongDoubleTy); | |||
1006 | // Fall back to not requiring a name match | |||
1007 | if (QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy)) | |||
1008 | return GetType(ast.FloatTy); | |||
1009 | if (QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy)) | |||
1010 | return GetType(ast.DoubleTy); | |||
1011 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy)) | |||
1012 | return GetType(ast.LongDoubleTy); | |||
1013 | if (QualTypeMatchesBitSize(bit_size, ast, ast.HalfTy)) | |||
1014 | return GetType(ast.HalfTy); | |||
1015 | break; | |||
1016 | ||||
1017 | case DW_ATE_signed: | |||
1018 | if (!type_name.empty()) { | |||
1019 | if (type_name == "wchar_t" && | |||
1020 | QualTypeMatchesBitSize(bit_size, ast, ast.WCharTy) && | |||
1021 | (getTargetInfo() && | |||
1022 | TargetInfo::isTypeSigned(getTargetInfo()->getWCharType()))) | |||
1023 | return GetType(ast.WCharTy); | |||
1024 | if (type_name == "void" && | |||
1025 | QualTypeMatchesBitSize(bit_size, ast, ast.VoidTy)) | |||
1026 | return GetType(ast.VoidTy); | |||
1027 | if (type_name.contains("long long") && | |||
1028 | QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy)) | |||
1029 | return GetType(ast.LongLongTy); | |||
1030 | if (type_name.contains("long") && | |||
1031 | QualTypeMatchesBitSize(bit_size, ast, ast.LongTy)) | |||
1032 | return GetType(ast.LongTy); | |||
1033 | if (type_name.contains("short") && | |||
1034 | QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy)) | |||
1035 | return GetType(ast.ShortTy); | |||
1036 | if (type_name.contains("char")) { | |||
1037 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) | |||
1038 | return GetType(ast.CharTy); | |||
1039 | if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy)) | |||
1040 | return GetType(ast.SignedCharTy); | |||
1041 | } | |||
1042 | if (type_name.contains("int")) { | |||
1043 | if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy)) | |||
1044 | return GetType(ast.IntTy); | |||
1045 | if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty)) | |||
1046 | return GetType(ast.Int128Ty); | |||
1047 | } | |||
1048 | } | |||
1049 | // We weren't able to match up a type name, just search by size | |||
1050 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) | |||
1051 | return GetType(ast.CharTy); | |||
1052 | if (QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy)) | |||
1053 | return GetType(ast.ShortTy); | |||
1054 | if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy)) | |||
1055 | return GetType(ast.IntTy); | |||
1056 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongTy)) | |||
1057 | return GetType(ast.LongTy); | |||
1058 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy)) | |||
1059 | return GetType(ast.LongLongTy); | |||
1060 | if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty)) | |||
1061 | return GetType(ast.Int128Ty); | |||
1062 | break; | |||
1063 | ||||
1064 | case DW_ATE_signed_char: | |||
1065 | if (ast.getLangOpts().CharIsSigned && type_name == "char") { | |||
1066 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) | |||
1067 | return GetType(ast.CharTy); | |||
1068 | } | |||
1069 | if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy)) | |||
1070 | return GetType(ast.SignedCharTy); | |||
1071 | break; | |||
1072 | ||||
1073 | case DW_ATE_unsigned: | |||
1074 | if (!type_name.empty()) { | |||
1075 | if (type_name == "wchar_t") { | |||
1076 | if (QualTypeMatchesBitSize(bit_size, ast, ast.WCharTy)) { | |||
1077 | if (!(getTargetInfo() && | |||
1078 | TargetInfo::isTypeSigned(getTargetInfo()->getWCharType()))) | |||
1079 | return GetType(ast.WCharTy); | |||
1080 | } | |||
1081 | } | |||
1082 | if (type_name.contains("long long")) { | |||
1083 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy)) | |||
1084 | return GetType(ast.UnsignedLongLongTy); | |||
1085 | } else if (type_name.contains("long")) { | |||
1086 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy)) | |||
1087 | return GetType(ast.UnsignedLongTy); | |||
1088 | } else if (type_name.contains("short")) { | |||
1089 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) | |||
1090 | return GetType(ast.UnsignedShortTy); | |||
1091 | } else if (type_name.contains("char")) { | |||
1092 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) | |||
1093 | return GetType(ast.UnsignedCharTy); | |||
1094 | } else if (type_name.contains("int")) { | |||
1095 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) | |||
1096 | return GetType(ast.UnsignedIntTy); | |||
1097 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty)) | |||
1098 | return GetType(ast.UnsignedInt128Ty); | |||
1099 | } | |||
1100 | } | |||
1101 | // We weren't able to match up a type name, just search by size | |||
1102 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) | |||
1103 | return GetType(ast.UnsignedCharTy); | |||
1104 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) | |||
1105 | return GetType(ast.UnsignedShortTy); | |||
1106 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) | |||
1107 | return GetType(ast.UnsignedIntTy); | |||
1108 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy)) | |||
1109 | return GetType(ast.UnsignedLongTy); | |||
1110 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy)) | |||
1111 | return GetType(ast.UnsignedLongLongTy); | |||
1112 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty)) | |||
1113 | return GetType(ast.UnsignedInt128Ty); | |||
1114 | break; | |||
1115 | ||||
1116 | case DW_ATE_unsigned_char: | |||
1117 | if (!ast.getLangOpts().CharIsSigned && type_name == "char") { | |||
1118 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) | |||
1119 | return GetType(ast.CharTy); | |||
1120 | } | |||
1121 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) | |||
1122 | return GetType(ast.UnsignedCharTy); | |||
1123 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) | |||
1124 | return GetType(ast.UnsignedShortTy); | |||
1125 | break; | |||
1126 | ||||
1127 | case DW_ATE_imaginary_float: | |||
1128 | break; | |||
1129 | ||||
1130 | case DW_ATE_UTF: | |||
1131 | switch (bit_size) { | |||
1132 | case 8: | |||
1133 | return GetType(ast.Char8Ty); | |||
1134 | case 16: | |||
1135 | return GetType(ast.Char16Ty); | |||
1136 | case 32: | |||
1137 | return GetType(ast.Char32Ty); | |||
1138 | default: | |||
1139 | if (!type_name.empty()) { | |||
1140 | if (type_name == "char16_t") | |||
1141 | return GetType(ast.Char16Ty); | |||
1142 | if (type_name == "char32_t") | |||
1143 | return GetType(ast.Char32Ty); | |||
1144 | if (type_name == "char8_t") | |||
1145 | return GetType(ast.Char8Ty); | |||
1146 | } | |||
1147 | } | |||
1148 | break; | |||
1149 | } | |||
1150 | ||||
1151 | Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_TYPES::lldb_private::LLDBLog::Types); | |||
1152 | LLDB_LOG(log,do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "error: need to add support for DW_TAG_base_type '{0}' " "encoded with DW_ATE = {1:x}, bit_size = {2}", type_name, dw_ate , bit_size); } while (0) | |||
1153 | "error: need to add support for DW_TAG_base_type '{0}' "do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "error: need to add support for DW_TAG_base_type '{0}' " "encoded with DW_ATE = {1:x}, bit_size = {2}", type_name, dw_ate , bit_size); } while (0) | |||
1154 | "encoded with DW_ATE = {1:x}, bit_size = {2}",do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "error: need to add support for DW_TAG_base_type '{0}' " "encoded with DW_ATE = {1:x}, bit_size = {2}", type_name, dw_ate , bit_size); } while (0) | |||
1155 | type_name, dw_ate, bit_size)do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "error: need to add support for DW_TAG_base_type '{0}' " "encoded with DW_ATE = {1:x}, bit_size = {2}", type_name, dw_ate , bit_size); } while (0); | |||
1156 | return CompilerType(); | |||
1157 | } | |||
1158 | ||||
1159 | CompilerType TypeSystemClang::GetCStringType(bool is_const) { | |||
1160 | ASTContext &ast = getASTContext(); | |||
1161 | QualType char_type(ast.CharTy); | |||
1162 | ||||
1163 | if (is_const) | |||
1164 | char_type.addConst(); | |||
1165 | ||||
1166 | return GetType(ast.getPointerType(char_type)); | |||
1167 | } | |||
1168 | ||||
1169 | bool TypeSystemClang::AreTypesSame(CompilerType type1, CompilerType type2, | |||
1170 | bool ignore_qualifiers) { | |||
1171 | TypeSystemClang *ast = | |||
1172 | llvm::dyn_cast_or_null<TypeSystemClang>(type1.GetTypeSystem()); | |||
1173 | if (!ast || ast != type2.GetTypeSystem()) | |||
1174 | return false; | |||
1175 | ||||
1176 | if (type1.GetOpaqueQualType() == type2.GetOpaqueQualType()) | |||
1177 | return true; | |||
1178 | ||||
1179 | QualType type1_qual = ClangUtil::GetQualType(type1); | |||
1180 | QualType type2_qual = ClangUtil::GetQualType(type2); | |||
1181 | ||||
1182 | if (ignore_qualifiers) { | |||
1183 | type1_qual = type1_qual.getUnqualifiedType(); | |||
1184 | type2_qual = type2_qual.getUnqualifiedType(); | |||
1185 | } | |||
1186 | ||||
1187 | return ast->getASTContext().hasSameType(type1_qual, type2_qual); | |||
1188 | } | |||
1189 | ||||
1190 | CompilerType TypeSystemClang::GetTypeForDecl(void *opaque_decl) { | |||
1191 | if (!opaque_decl) | |||
1192 | return CompilerType(); | |||
1193 | ||||
1194 | clang::Decl *decl = static_cast<clang::Decl *>(opaque_decl); | |||
1195 | if (auto *named_decl = llvm::dyn_cast<clang::NamedDecl>(decl)) | |||
1196 | return GetTypeForDecl(named_decl); | |||
1197 | return CompilerType(); | |||
1198 | } | |||
1199 | ||||
1200 | CompilerDeclContext TypeSystemClang::CreateDeclContext(DeclContext *ctx) { | |||
1201 | // Check that the DeclContext actually belongs to this ASTContext. | |||
1202 | assert(&ctx->getParentASTContext() == &getASTContext())(static_cast <bool> (&ctx->getParentASTContext() == &getASTContext()) ? void (0) : __assert_fail ("&ctx->getParentASTContext() == &getASTContext()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1202, __extension__ __PRETTY_FUNCTION__)); | |||
1203 | return CompilerDeclContext(this, ctx); | |||
1204 | } | |||
1205 | ||||
1206 | CompilerType TypeSystemClang::GetTypeForDecl(clang::NamedDecl *decl) { | |||
1207 | if (clang::ObjCInterfaceDecl *interface_decl = | |||
1208 | llvm::dyn_cast<clang::ObjCInterfaceDecl>(decl)) | |||
1209 | return GetTypeForDecl(interface_decl); | |||
1210 | if (clang::TagDecl *tag_decl = llvm::dyn_cast<clang::TagDecl>(decl)) | |||
1211 | return GetTypeForDecl(tag_decl); | |||
1212 | return CompilerType(); | |||
1213 | } | |||
1214 | ||||
1215 | CompilerType TypeSystemClang::GetTypeForDecl(TagDecl *decl) { | |||
1216 | return GetType(getASTContext().getTagDeclType(decl)); | |||
1217 | } | |||
1218 | ||||
1219 | CompilerType TypeSystemClang::GetTypeForDecl(ObjCInterfaceDecl *decl) { | |||
1220 | return GetType(getASTContext().getObjCInterfaceType(decl)); | |||
1221 | } | |||
1222 | ||||
1223 | #pragma mark Structure, Unions, Classes | |||
1224 | ||||
1225 | void TypeSystemClang::SetOwningModule(clang::Decl *decl, | |||
1226 | OptionalClangModuleID owning_module) { | |||
1227 | if (!decl || !owning_module.HasValue()) | |||
1228 | return; | |||
1229 | ||||
1230 | decl->setFromASTFile(); | |||
1231 | decl->setOwningModuleID(owning_module.GetValue()); | |||
1232 | decl->setModuleOwnershipKind(clang::Decl::ModuleOwnershipKind::Visible); | |||
1233 | } | |||
1234 | ||||
1235 | OptionalClangModuleID | |||
1236 | TypeSystemClang::GetOrCreateClangModule(llvm::StringRef name, | |||
1237 | OptionalClangModuleID parent, | |||
1238 | bool is_framework, bool is_explicit) { | |||
1239 | // Get the external AST source which holds the modules. | |||
1240 | auto *ast_source = llvm::dyn_cast_or_null<ClangExternalASTSourceCallbacks>( | |||
1241 | getASTContext().getExternalSource()); | |||
1242 | assert(ast_source && "external ast source was lost")(static_cast <bool> (ast_source && "external ast source was lost" ) ? void (0) : __assert_fail ("ast_source && \"external ast source was lost\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1242, __extension__ __PRETTY_FUNCTION__)); | |||
1243 | if (!ast_source) | |||
1244 | return {}; | |||
1245 | ||||
1246 | // Lazily initialize the module map. | |||
1247 | if (!m_header_search_up) { | |||
1248 | auto HSOpts = std::make_shared<clang::HeaderSearchOptions>(); | |||
1249 | m_header_search_up = std::make_unique<clang::HeaderSearch>( | |||
1250 | HSOpts, *m_source_manager_up, *m_diagnostics_engine_up, | |||
1251 | *m_language_options_up, m_target_info_up.get()); | |||
1252 | m_module_map_up = std::make_unique<clang::ModuleMap>( | |||
1253 | *m_source_manager_up, *m_diagnostics_engine_up, *m_language_options_up, | |||
1254 | m_target_info_up.get(), *m_header_search_up); | |||
1255 | } | |||
1256 | ||||
1257 | // Get or create the module context. | |||
1258 | bool created; | |||
1259 | clang::Module *module; | |||
1260 | auto parent_desc = ast_source->getSourceDescriptor(parent.GetValue()); | |||
1261 | std::tie(module, created) = m_module_map_up->findOrCreateModule( | |||
1262 | name, parent_desc ? parent_desc->getModuleOrNull() : nullptr, | |||
1263 | is_framework, is_explicit); | |||
1264 | if (!created) | |||
1265 | return ast_source->GetIDForModule(module); | |||
1266 | ||||
1267 | return ast_source->RegisterModule(module); | |||
1268 | } | |||
1269 | ||||
1270 | CompilerType TypeSystemClang::CreateRecordType( | |||
1271 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, | |||
1272 | AccessType access_type, llvm::StringRef name, int kind, | |||
1273 | LanguageType language, ClangASTMetadata *metadata, bool exports_symbols) { | |||
1274 | ASTContext &ast = getASTContext(); | |||
1275 | ||||
1276 | if (decl_ctx == nullptr) | |||
1277 | decl_ctx = ast.getTranslationUnitDecl(); | |||
1278 | ||||
1279 | if (language == eLanguageTypeObjC || | |||
1280 | language == eLanguageTypeObjC_plus_plus) { | |||
1281 | bool isForwardDecl = true; | |||
1282 | bool isInternal = false; | |||
1283 | return CreateObjCClass(name, decl_ctx, owning_module, isForwardDecl, | |||
1284 | isInternal, metadata); | |||
1285 | } | |||
1286 | ||||
1287 | // NOTE: Eventually CXXRecordDecl will be merged back into RecordDecl and | |||
1288 | // we will need to update this code. I was told to currently always use the | |||
1289 | // CXXRecordDecl class since we often don't know from debug information if | |||
1290 | // something is struct or a class, so we default to always use the more | |||
1291 | // complete definition just in case. | |||
1292 | ||||
1293 | bool has_name = !name.empty(); | |||
1294 | CXXRecordDecl *decl = CXXRecordDecl::CreateDeserialized(ast, 0); | |||
1295 | decl->setTagKind(static_cast<TagDecl::TagKind>(kind)); | |||
1296 | decl->setDeclContext(decl_ctx); | |||
1297 | if (has_name) | |||
1298 | decl->setDeclName(&ast.Idents.get(name)); | |||
1299 | SetOwningModule(decl, owning_module); | |||
1300 | ||||
1301 | if (!has_name) { | |||
1302 | // In C++ a lambda is also represented as an unnamed class. This is | |||
1303 | // different from an *anonymous class* that the user wrote: | |||
1304 | // | |||
1305 | // struct A { | |||
1306 | // // anonymous class (GNU/MSVC extension) | |||
1307 | // struct { | |||
1308 | // int x; | |||
1309 | // }; | |||
1310 | // // unnamed class within a class | |||
1311 | // struct { | |||
1312 | // int y; | |||
1313 | // } B; | |||
1314 | // }; | |||
1315 | // | |||
1316 | // void f() { | |||
1317 | // // unammed class outside of a class | |||
1318 | // struct { | |||
1319 | // int z; | |||
1320 | // } C; | |||
1321 | // } | |||
1322 | // | |||
1323 | // Anonymous classes is a GNU/MSVC extension that clang supports. It | |||
1324 | // requires the anonymous class be embedded within a class. So the new | |||
1325 | // heuristic verifies this condition. | |||
1326 | if (isa<CXXRecordDecl>(decl_ctx) && exports_symbols) | |||
1327 | decl->setAnonymousStructOrUnion(true); | |||
1328 | } | |||
1329 | ||||
1330 | if (metadata) | |||
1331 | SetMetadata(decl, *metadata); | |||
1332 | ||||
1333 | if (access_type != eAccessNone) | |||
1334 | decl->setAccess(ConvertAccessTypeToAccessSpecifier(access_type)); | |||
1335 | ||||
1336 | if (decl_ctx) | |||
1337 | decl_ctx->addDecl(decl); | |||
1338 | ||||
1339 | return GetType(ast.getTagDeclType(decl)); | |||
1340 | } | |||
1341 | ||||
1342 | namespace { | |||
1343 | /// Returns true iff the given TemplateArgument should be represented as an | |||
1344 | /// NonTypeTemplateParmDecl in the AST. | |||
1345 | bool IsValueParam(const clang::TemplateArgument &argument) { | |||
1346 | return argument.getKind() == TemplateArgument::Integral; | |||
1347 | } | |||
1348 | ||||
1349 | void AddAccessSpecifierDecl(clang::CXXRecordDecl *cxx_record_decl, | |||
1350 | ASTContext &ct, | |||
1351 | clang::AccessSpecifier previous_access, | |||
1352 | clang::AccessSpecifier access_specifier) { | |||
1353 | if (!cxx_record_decl->isClass() && !cxx_record_decl->isStruct()) | |||
1354 | return; | |||
1355 | if (previous_access != access_specifier) { | |||
1356 | // For struct, don't add AS_public if it's the first AccessSpecDecl. | |||
1357 | // For class, don't add AS_private if it's the first AccessSpecDecl. | |||
1358 | if ((cxx_record_decl->isStruct() && | |||
1359 | previous_access == clang::AccessSpecifier::AS_none && | |||
1360 | access_specifier == clang::AccessSpecifier::AS_public) || | |||
1361 | (cxx_record_decl->isClass() && | |||
1362 | previous_access == clang::AccessSpecifier::AS_none && | |||
1363 | access_specifier == clang::AccessSpecifier::AS_private)) { | |||
1364 | return; | |||
1365 | } | |||
1366 | cxx_record_decl->addDecl( | |||
1367 | AccessSpecDecl::Create(ct, access_specifier, cxx_record_decl, | |||
1368 | SourceLocation(), SourceLocation())); | |||
1369 | } | |||
1370 | } | |||
1371 | } // namespace | |||
1372 | ||||
1373 | static TemplateParameterList *CreateTemplateParameterList( | |||
1374 | ASTContext &ast, | |||
1375 | const TypeSystemClang::TemplateParameterInfos &template_param_infos, | |||
1376 | llvm::SmallVector<NamedDecl *, 8> &template_param_decls) { | |||
1377 | const bool parameter_pack = false; | |||
1378 | const bool is_typename = false; | |||
1379 | const unsigned depth = 0; | |||
1380 | const size_t num_template_params = template_param_infos.args.size(); | |||
1381 | DeclContext *const decl_context = | |||
1382 | ast.getTranslationUnitDecl(); // Is this the right decl context?, | |||
1383 | for (size_t i = 0; i < num_template_params; ++i) { | |||
1384 | const char *name = template_param_infos.names[i]; | |||
1385 | ||||
1386 | IdentifierInfo *identifier_info = nullptr; | |||
1387 | if (name && name[0]) | |||
1388 | identifier_info = &ast.Idents.get(name); | |||
1389 | if (IsValueParam(template_param_infos.args[i])) { | |||
1390 | QualType template_param_type = | |||
1391 | template_param_infos.args[i].getIntegralType(); | |||
1392 | template_param_decls.push_back(NonTypeTemplateParmDecl::Create( | |||
1393 | ast, decl_context, SourceLocation(), SourceLocation(), depth, i, | |||
1394 | identifier_info, template_param_type, parameter_pack, | |||
1395 | ast.getTrivialTypeSourceInfo(template_param_type))); | |||
1396 | } else { | |||
1397 | template_param_decls.push_back(TemplateTypeParmDecl::Create( | |||
1398 | ast, decl_context, SourceLocation(), SourceLocation(), depth, i, | |||
1399 | identifier_info, is_typename, parameter_pack)); | |||
1400 | } | |||
1401 | } | |||
1402 | ||||
1403 | if (template_param_infos.packed_args) { | |||
1404 | IdentifierInfo *identifier_info = nullptr; | |||
1405 | if (template_param_infos.pack_name && template_param_infos.pack_name[0]) | |||
1406 | identifier_info = &ast.Idents.get(template_param_infos.pack_name); | |||
1407 | const bool parameter_pack_true = true; | |||
1408 | ||||
1409 | if (!template_param_infos.packed_args->args.empty() && | |||
1410 | IsValueParam(template_param_infos.packed_args->args[0])) { | |||
1411 | QualType template_param_type = | |||
1412 | template_param_infos.packed_args->args[0].getIntegralType(); | |||
1413 | template_param_decls.push_back(NonTypeTemplateParmDecl::Create( | |||
1414 | ast, decl_context, SourceLocation(), SourceLocation(), depth, | |||
1415 | num_template_params, identifier_info, template_param_type, | |||
1416 | parameter_pack_true, | |||
1417 | ast.getTrivialTypeSourceInfo(template_param_type))); | |||
1418 | } else { | |||
1419 | template_param_decls.push_back(TemplateTypeParmDecl::Create( | |||
1420 | ast, decl_context, SourceLocation(), SourceLocation(), depth, | |||
1421 | num_template_params, identifier_info, is_typename, | |||
1422 | parameter_pack_true)); | |||
1423 | } | |||
1424 | } | |||
1425 | clang::Expr *const requires_clause = nullptr; // TODO: Concepts | |||
1426 | TemplateParameterList *template_param_list = TemplateParameterList::Create( | |||
1427 | ast, SourceLocation(), SourceLocation(), template_param_decls, | |||
1428 | SourceLocation(), requires_clause); | |||
1429 | return template_param_list; | |||
1430 | } | |||
1431 | ||||
1432 | clang::FunctionTemplateDecl *TypeSystemClang::CreateFunctionTemplateDecl( | |||
1433 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, | |||
1434 | clang::FunctionDecl *func_decl, | |||
1435 | const TemplateParameterInfos &template_param_infos) { | |||
1436 | // /// Create a function template node. | |||
1437 | ASTContext &ast = getASTContext(); | |||
1438 | ||||
1439 | llvm::SmallVector<NamedDecl *, 8> template_param_decls; | |||
1440 | TemplateParameterList *template_param_list = CreateTemplateParameterList( | |||
1441 | ast, template_param_infos, template_param_decls); | |||
1442 | FunctionTemplateDecl *func_tmpl_decl = | |||
1443 | FunctionTemplateDecl::CreateDeserialized(ast, 0); | |||
1444 | func_tmpl_decl->setDeclContext(decl_ctx); | |||
1445 | func_tmpl_decl->setLocation(func_decl->getLocation()); | |||
1446 | func_tmpl_decl->setDeclName(func_decl->getDeclName()); | |||
1447 | func_tmpl_decl->init(func_decl, template_param_list); | |||
1448 | SetOwningModule(func_tmpl_decl, owning_module); | |||
1449 | ||||
1450 | for (size_t i = 0, template_param_decl_count = template_param_decls.size(); | |||
1451 | i < template_param_decl_count; ++i) { | |||
1452 | // TODO: verify which decl context we should put template_param_decls into.. | |||
1453 | template_param_decls[i]->setDeclContext(func_decl); | |||
1454 | } | |||
1455 | // Function templates inside a record need to have an access specifier. | |||
1456 | // It doesn't matter what access specifier we give the template as LLDB | |||
1457 | // anyway allows accessing everything inside a record. | |||
1458 | if (decl_ctx->isRecord()) | |||
1459 | func_tmpl_decl->setAccess(clang::AccessSpecifier::AS_public); | |||
1460 | ||||
1461 | return func_tmpl_decl; | |||
1462 | } | |||
1463 | ||||
1464 | void TypeSystemClang::CreateFunctionTemplateSpecializationInfo( | |||
1465 | FunctionDecl *func_decl, clang::FunctionTemplateDecl *func_tmpl_decl, | |||
1466 | const TemplateParameterInfos &infos) { | |||
1467 | TemplateArgumentList *template_args_ptr = | |||
1468 | TemplateArgumentList::CreateCopy(func_decl->getASTContext(), infos.args); | |||
1469 | ||||
1470 | func_decl->setFunctionTemplateSpecialization(func_tmpl_decl, | |||
1471 | template_args_ptr, nullptr); | |||
1472 | } | |||
1473 | ||||
1474 | /// Returns true if the given template parameter can represent the given value. | |||
1475 | /// For example, `typename T` can represent `int` but not integral values such | |||
1476 | /// as `int I = 3`. | |||
1477 | static bool TemplateParameterAllowsValue(NamedDecl *param, | |||
1478 | const TemplateArgument &value) { | |||
1479 | if (llvm::isa<TemplateTypeParmDecl>(param)) { | |||
1480 | // Compare the argument kind, i.e. ensure that <typename> != <int>. | |||
1481 | if (value.getKind() != TemplateArgument::Type) | |||
1482 | return false; | |||
1483 | } else if (auto *type_param = | |||
1484 | llvm::dyn_cast<NonTypeTemplateParmDecl>(param)) { | |||
1485 | // Compare the argument kind, i.e. ensure that <typename> != <int>. | |||
1486 | if (!IsValueParam(value)) | |||
1487 | return false; | |||
1488 | // Compare the integral type, i.e. ensure that <int> != <char>. | |||
1489 | if (type_param->getType() != value.getIntegralType()) | |||
1490 | return false; | |||
1491 | } else { | |||
1492 | // There is no way to create other parameter decls at the moment, so we | |||
1493 | // can't reach this case during normal LLDB usage. Log that this happened | |||
1494 | // and assert. | |||
1495 | Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS::lldb_private::LLDBLog::Expressions); | |||
1496 | LLDB_LOG(log,do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Don't know how to compare template parameter to passed" " value. Decl kind of parameter is: {0}", param->getDeclKindName ()); } while (0) | |||
1497 | "Don't know how to compare template parameter to passed"do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Don't know how to compare template parameter to passed" " value. Decl kind of parameter is: {0}", param->getDeclKindName ()); } while (0) | |||
1498 | " value. Decl kind of parameter is: {0}",do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Don't know how to compare template parameter to passed" " value. Decl kind of parameter is: {0}", param->getDeclKindName ()); } while (0) | |||
1499 | param->getDeclKindName())do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Don't know how to compare template parameter to passed" " value. Decl kind of parameter is: {0}", param->getDeclKindName ()); } while (0); | |||
1500 | lldbassert(false && "Can't compare this TemplateParmDecl subclass")lldb_private::lldb_assert(static_cast<bool>(false && "Can't compare this TemplateParmDecl subclass"), "false && \"Can't compare this TemplateParmDecl subclass\"" , __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 1500); | |||
1501 | // In release builds just fall back to marking the parameter as not | |||
1502 | // accepting the value so that we don't try to fit an instantiation to a | |||
1503 | // template that doesn't fit. E.g., avoid that `S<1>` is being connected to | |||
1504 | // `template<typename T> struct S;`. | |||
1505 | return false; | |||
1506 | } | |||
1507 | return true; | |||
1508 | } | |||
1509 | ||||
1510 | /// Returns true if the given class template declaration could produce an | |||
1511 | /// instantiation with the specified values. | |||
1512 | /// For example, `<typename T>` allows the arguments `float`, but not for | |||
1513 | /// example `bool, float` or `3` (as an integer parameter value). | |||
1514 | static bool ClassTemplateAllowsToInstantiationArgs( | |||
1515 | ClassTemplateDecl *class_template_decl, | |||
1516 | const TypeSystemClang::TemplateParameterInfos &instantiation_values) { | |||
1517 | ||||
1518 | TemplateParameterList ¶ms = *class_template_decl->getTemplateParameters(); | |||
1519 | ||||
1520 | // Save some work by iterating only once over the found parameters and | |||
1521 | // calculate the information related to parameter packs. | |||
1522 | ||||
1523 | // Contains the first pack parameter (or non if there are none). | |||
1524 | llvm::Optional<NamedDecl *> pack_parameter; | |||
1525 | // Contains the number of non-pack parameters. | |||
1526 | size_t non_pack_params = params.size(); | |||
1527 | for (size_t i = 0; i < params.size(); ++i) { | |||
1528 | NamedDecl *param = params.getParam(i); | |||
1529 | if (param->isParameterPack()) { | |||
1530 | pack_parameter = param; | |||
1531 | non_pack_params = i; | |||
1532 | break; | |||
1533 | } | |||
1534 | } | |||
1535 | ||||
1536 | // The found template needs to have compatible non-pack template arguments. | |||
1537 | // E.g., ensure that <typename, typename> != <typename>. | |||
1538 | // The pack parameters are compared later. | |||
1539 | if (non_pack_params != instantiation_values.args.size()) | |||
1540 | return false; | |||
1541 | ||||
1542 | // Ensure that <typename...> != <typename>. | |||
1543 | if (pack_parameter.hasValue() != instantiation_values.hasParameterPack()) | |||
1544 | return false; | |||
1545 | ||||
1546 | // Compare the first pack parameter that was found with the first pack | |||
1547 | // parameter value. The special case of having an empty parameter pack value | |||
1548 | // always fits to a pack parameter. | |||
1549 | // E.g., ensure that <int...> != <typename...>. | |||
1550 | if (pack_parameter && !instantiation_values.packed_args->args.empty() && | |||
1551 | !TemplateParameterAllowsValue( | |||
1552 | *pack_parameter, instantiation_values.packed_args->args.front())) | |||
1553 | return false; | |||
1554 | ||||
1555 | // Compare all the non-pack parameters now. | |||
1556 | // E.g., ensure that <int> != <long>. | |||
1557 | for (const auto pair : llvm::zip_first(instantiation_values.args, params)) { | |||
1558 | const TemplateArgument &passed_arg = std::get<0>(pair); | |||
1559 | NamedDecl *found_param = std::get<1>(pair); | |||
1560 | if (!TemplateParameterAllowsValue(found_param, passed_arg)) | |||
1561 | return false; | |||
1562 | } | |||
1563 | ||||
1564 | return class_template_decl; | |||
1565 | } | |||
1566 | ||||
1567 | ClassTemplateDecl *TypeSystemClang::CreateClassTemplateDecl( | |||
1568 | DeclContext *decl_ctx, OptionalClangModuleID owning_module, | |||
1569 | lldb::AccessType access_type, llvm::StringRef class_name, int kind, | |||
1570 | const TemplateParameterInfos &template_param_infos) { | |||
1571 | ASTContext &ast = getASTContext(); | |||
1572 | ||||
1573 | ClassTemplateDecl *class_template_decl = nullptr; | |||
1574 | if (decl_ctx == nullptr) | |||
1575 | decl_ctx = ast.getTranslationUnitDecl(); | |||
1576 | ||||
1577 | IdentifierInfo &identifier_info = ast.Idents.get(class_name); | |||
1578 | DeclarationName decl_name(&identifier_info); | |||
1579 | ||||
1580 | // Search the AST for an existing ClassTemplateDecl that could be reused. | |||
1581 | clang::DeclContext::lookup_result result = decl_ctx->lookup(decl_name); | |||
1582 | for (NamedDecl *decl : result) { | |||
1583 | class_template_decl = dyn_cast<clang::ClassTemplateDecl>(decl); | |||
1584 | if (!class_template_decl) | |||
1585 | continue; | |||
1586 | // The class template has to be able to represents the instantiation | |||
1587 | // values we received. Without this we might end up putting an instantiation | |||
1588 | // with arguments such as <int, int> to a template such as: | |||
1589 | // template<typename T> struct S; | |||
1590 | // Connecting the instantiation to an incompatible template could cause | |||
1591 | // problems later on. | |||
1592 | if (!ClassTemplateAllowsToInstantiationArgs(class_template_decl, | |||
1593 | template_param_infos)) | |||
1594 | continue; | |||
1595 | return class_template_decl; | |||
1596 | } | |||
1597 | ||||
1598 | llvm::SmallVector<NamedDecl *, 8> template_param_decls; | |||
1599 | ||||
1600 | TemplateParameterList *template_param_list = CreateTemplateParameterList( | |||
1601 | ast, template_param_infos, template_param_decls); | |||
1602 | ||||
1603 | CXXRecordDecl *template_cxx_decl = CXXRecordDecl::CreateDeserialized(ast, 0); | |||
1604 | template_cxx_decl->setTagKind(static_cast<TagDecl::TagKind>(kind)); | |||
1605 | // What decl context do we use here? TU? The actual decl context? | |||
1606 | template_cxx_decl->setDeclContext(decl_ctx); | |||
1607 | template_cxx_decl->setDeclName(decl_name); | |||
1608 | SetOwningModule(template_cxx_decl, owning_module); | |||
1609 | ||||
1610 | for (size_t i = 0, template_param_decl_count = template_param_decls.size(); | |||
1611 | i < template_param_decl_count; ++i) { | |||
1612 | template_param_decls[i]->setDeclContext(template_cxx_decl); | |||
1613 | } | |||
1614 | ||||
1615 | // With templated classes, we say that a class is templated with | |||
1616 | // specializations, but that the bare class has no functions. | |||
1617 | // template_cxx_decl->startDefinition(); | |||
1618 | // template_cxx_decl->completeDefinition(); | |||
1619 | ||||
1620 | class_template_decl = ClassTemplateDecl::CreateDeserialized(ast, 0); | |||
1621 | // What decl context do we use here? TU? The actual decl context? | |||
1622 | class_template_decl->setDeclContext(decl_ctx); | |||
1623 | class_template_decl->setDeclName(decl_name); | |||
1624 | class_template_decl->init(template_cxx_decl, template_param_list); | |||
1625 | template_cxx_decl->setDescribedClassTemplate(class_template_decl); | |||
1626 | SetOwningModule(class_template_decl, owning_module); | |||
1627 | ||||
1628 | if (access_type != eAccessNone) | |||
1629 | class_template_decl->setAccess( | |||
1630 | ConvertAccessTypeToAccessSpecifier(access_type)); | |||
1631 | ||||
1632 | decl_ctx->addDecl(class_template_decl); | |||
1633 | ||||
1634 | VerifyDecl(class_template_decl); | |||
1635 | ||||
1636 | return class_template_decl; | |||
1637 | } | |||
1638 | ||||
1639 | TemplateTemplateParmDecl * | |||
1640 | TypeSystemClang::CreateTemplateTemplateParmDecl(const char *template_name) { | |||
1641 | ASTContext &ast = getASTContext(); | |||
1642 | ||||
1643 | auto *decl_ctx = ast.getTranslationUnitDecl(); | |||
1644 | ||||
1645 | IdentifierInfo &identifier_info = ast.Idents.get(template_name); | |||
1646 | llvm::SmallVector<NamedDecl *, 8> template_param_decls; | |||
1647 | ||||
1648 | TypeSystemClang::TemplateParameterInfos template_param_infos; | |||
1649 | TemplateParameterList *template_param_list = CreateTemplateParameterList( | |||
1650 | ast, template_param_infos, template_param_decls); | |||
1651 | ||||
1652 | // LLDB needs to create those decls only to be able to display a | |||
1653 | // type that includes a template template argument. Only the name matters for | |||
1654 | // this purpose, so we use dummy values for the other characteristics of the | |||
1655 | // type. | |||
1656 | return TemplateTemplateParmDecl::Create( | |||
1657 | ast, decl_ctx, SourceLocation(), | |||
1658 | /*Depth*/ 0, /*Position*/ 0, | |||
1659 | /*IsParameterPack*/ false, &identifier_info, template_param_list); | |||
1660 | } | |||
1661 | ||||
1662 | ClassTemplateSpecializationDecl * | |||
1663 | TypeSystemClang::CreateClassTemplateSpecializationDecl( | |||
1664 | DeclContext *decl_ctx, OptionalClangModuleID owning_module, | |||
1665 | ClassTemplateDecl *class_template_decl, int kind, | |||
1666 | const TemplateParameterInfos &template_param_infos) { | |||
1667 | ASTContext &ast = getASTContext(); | |||
1668 | llvm::SmallVector<clang::TemplateArgument, 2> args( | |||
1669 | template_param_infos.args.size() + | |||
1670 | (template_param_infos.packed_args ? 1 : 0)); | |||
1671 | std::copy(template_param_infos.args.begin(), template_param_infos.args.end(), | |||
1672 | args.begin()); | |||
1673 | if (template_param_infos.packed_args) { | |||
1674 | args[args.size() - 1] = TemplateArgument::CreatePackCopy( | |||
1675 | ast, template_param_infos.packed_args->args); | |||
1676 | } | |||
1677 | ClassTemplateSpecializationDecl *class_template_specialization_decl = | |||
1678 | ClassTemplateSpecializationDecl::CreateDeserialized(ast, 0); | |||
1679 | class_template_specialization_decl->setTagKind( | |||
1680 | static_cast<TagDecl::TagKind>(kind)); | |||
1681 | class_template_specialization_decl->setDeclContext(decl_ctx); | |||
1682 | class_template_specialization_decl->setInstantiationOf(class_template_decl); | |||
1683 | class_template_specialization_decl->setTemplateArgs( | |||
1684 | TemplateArgumentList::CreateCopy(ast, args)); | |||
1685 | ast.getTypeDeclType(class_template_specialization_decl, nullptr); | |||
1686 | class_template_specialization_decl->setDeclName( | |||
1687 | class_template_decl->getDeclName()); | |||
1688 | SetOwningModule(class_template_specialization_decl, owning_module); | |||
1689 | decl_ctx->addDecl(class_template_specialization_decl); | |||
1690 | ||||
1691 | class_template_specialization_decl->setSpecializationKind( | |||
1692 | TSK_ExplicitSpecialization); | |||
1693 | ||||
1694 | return class_template_specialization_decl; | |||
1695 | } | |||
1696 | ||||
1697 | CompilerType TypeSystemClang::CreateClassTemplateSpecializationType( | |||
1698 | ClassTemplateSpecializationDecl *class_template_specialization_decl) { | |||
1699 | if (class_template_specialization_decl) { | |||
1700 | ASTContext &ast = getASTContext(); | |||
1701 | return GetType(ast.getTagDeclType(class_template_specialization_decl)); | |||
1702 | } | |||
1703 | return CompilerType(); | |||
1704 | } | |||
1705 | ||||
1706 | static inline bool check_op_param(bool is_method, | |||
1707 | clang::OverloadedOperatorKind op_kind, | |||
1708 | bool unary, bool binary, | |||
1709 | uint32_t num_params) { | |||
1710 | // Special-case call since it can take any number of operands | |||
1711 | if (op_kind == OO_Call) | |||
1712 | return true; | |||
1713 | ||||
1714 | // The parameter count doesn't include "this" | |||
1715 | if (is_method) | |||
1716 | ++num_params; | |||
1717 | if (num_params == 1) | |||
1718 | return unary; | |||
1719 | if (num_params == 2) | |||
1720 | return binary; | |||
1721 | else | |||
1722 | return false; | |||
1723 | } | |||
1724 | ||||
1725 | bool TypeSystemClang::CheckOverloadedOperatorKindParameterCount( | |||
1726 | bool is_method, clang::OverloadedOperatorKind op_kind, | |||
1727 | uint32_t num_params) { | |||
1728 | switch (op_kind) { | |||
1729 | default: | |||
1730 | break; | |||
1731 | // C++ standard allows any number of arguments to new/delete | |||
1732 | case OO_New: | |||
1733 | case OO_Array_New: | |||
1734 | case OO_Delete: | |||
1735 | case OO_Array_Delete: | |||
1736 | return true; | |||
1737 | } | |||
1738 | ||||
1739 | #define OVERLOADED_OPERATOR(Name, Spelling, Token, Unary, Binary, MemberOnly) \ | |||
1740 | case OO_##Name: \ | |||
1741 | return check_op_param(is_method, op_kind, Unary, Binary, num_params); | |||
1742 | switch (op_kind) { | |||
1743 | #include "clang/Basic/OperatorKinds.def" | |||
1744 | default: | |||
1745 | break; | |||
1746 | } | |||
1747 | return false; | |||
1748 | } | |||
1749 | ||||
1750 | clang::AccessSpecifier | |||
1751 | TypeSystemClang::UnifyAccessSpecifiers(clang::AccessSpecifier lhs, | |||
1752 | clang::AccessSpecifier rhs) { | |||
1753 | // Make the access equal to the stricter of the field and the nested field's | |||
1754 | // access | |||
1755 | if (lhs == AS_none || rhs == AS_none) | |||
1756 | return AS_none; | |||
1757 | if (lhs == AS_private || rhs == AS_private) | |||
1758 | return AS_private; | |||
1759 | if (lhs == AS_protected || rhs == AS_protected) | |||
1760 | return AS_protected; | |||
1761 | return AS_public; | |||
1762 | } | |||
1763 | ||||
1764 | bool TypeSystemClang::FieldIsBitfield(FieldDecl *field, | |||
1765 | uint32_t &bitfield_bit_size) { | |||
1766 | ASTContext &ast = getASTContext(); | |||
1767 | if (field == nullptr) | |||
1768 | return false; | |||
1769 | ||||
1770 | if (field->isBitField()) { | |||
1771 | Expr *bit_width_expr = field->getBitWidth(); | |||
1772 | if (bit_width_expr) { | |||
1773 | if (Optional<llvm::APSInt> bit_width_apsint = | |||
1774 | bit_width_expr->getIntegerConstantExpr(ast)) { | |||
1775 | bitfield_bit_size = bit_width_apsint->getLimitedValue(UINT32_MAX(4294967295U)); | |||
1776 | return true; | |||
1777 | } | |||
1778 | } | |||
1779 | } | |||
1780 | return false; | |||
1781 | } | |||
1782 | ||||
1783 | bool TypeSystemClang::RecordHasFields(const RecordDecl *record_decl) { | |||
1784 | if (record_decl == nullptr) | |||
1785 | return false; | |||
1786 | ||||
1787 | if (!record_decl->field_empty()) | |||
1788 | return true; | |||
1789 | ||||
1790 | // No fields, lets check this is a CXX record and check the base classes | |||
1791 | const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); | |||
1792 | if (cxx_record_decl) { | |||
1793 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; | |||
1794 | for (base_class = cxx_record_decl->bases_begin(), | |||
1795 | base_class_end = cxx_record_decl->bases_end(); | |||
1796 | base_class != base_class_end; ++base_class) { | |||
1797 | const CXXRecordDecl *base_class_decl = cast<CXXRecordDecl>( | |||
1798 | base_class->getType()->getAs<RecordType>()->getDecl()); | |||
1799 | if (RecordHasFields(base_class_decl)) | |||
1800 | return true; | |||
1801 | } | |||
1802 | } | |||
1803 | return false; | |||
1804 | } | |||
1805 | ||||
1806 | #pragma mark Objective-C Classes | |||
1807 | ||||
1808 | CompilerType TypeSystemClang::CreateObjCClass( | |||
1809 | llvm::StringRef name, clang::DeclContext *decl_ctx, | |||
1810 | OptionalClangModuleID owning_module, bool isForwardDecl, bool isInternal, | |||
1811 | ClangASTMetadata *metadata) { | |||
1812 | ASTContext &ast = getASTContext(); | |||
1813 | assert(!name.empty())(static_cast <bool> (!name.empty()) ? void (0) : __assert_fail ("!name.empty()", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 1813, __extension__ __PRETTY_FUNCTION__)); | |||
1814 | if (!decl_ctx) | |||
1815 | decl_ctx = ast.getTranslationUnitDecl(); | |||
1816 | ||||
1817 | ObjCInterfaceDecl *decl = ObjCInterfaceDecl::CreateDeserialized(ast, 0); | |||
1818 | decl->setDeclContext(decl_ctx); | |||
1819 | decl->setDeclName(&ast.Idents.get(name)); | |||
1820 | /*isForwardDecl,*/ | |||
1821 | decl->setImplicit(isInternal); | |||
1822 | SetOwningModule(decl, owning_module); | |||
1823 | ||||
1824 | if (metadata) | |||
1825 | SetMetadata(decl, *metadata); | |||
1826 | ||||
1827 | return GetType(ast.getObjCInterfaceType(decl)); | |||
1828 | } | |||
1829 | ||||
1830 | static inline bool BaseSpecifierIsEmpty(const CXXBaseSpecifier *b) { | |||
1831 | return !TypeSystemClang::RecordHasFields(b->getType()->getAsCXXRecordDecl()); | |||
1832 | } | |||
1833 | ||||
1834 | uint32_t | |||
1835 | TypeSystemClang::GetNumBaseClasses(const CXXRecordDecl *cxx_record_decl, | |||
1836 | bool omit_empty_base_classes) { | |||
1837 | uint32_t num_bases = 0; | |||
1838 | if (cxx_record_decl) { | |||
1839 | if (omit_empty_base_classes) { | |||
1840 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; | |||
1841 | for (base_class = cxx_record_decl->bases_begin(), | |||
1842 | base_class_end = cxx_record_decl->bases_end(); | |||
1843 | base_class != base_class_end; ++base_class) { | |||
1844 | // Skip empty base classes | |||
1845 | if (BaseSpecifierIsEmpty(base_class)) | |||
1846 | continue; | |||
1847 | ++num_bases; | |||
1848 | } | |||
1849 | } else | |||
1850 | num_bases = cxx_record_decl->getNumBases(); | |||
1851 | } | |||
1852 | return num_bases; | |||
1853 | } | |||
1854 | ||||
1855 | #pragma mark Namespace Declarations | |||
1856 | ||||
1857 | NamespaceDecl *TypeSystemClang::GetUniqueNamespaceDeclaration( | |||
1858 | const char *name, clang::DeclContext *decl_ctx, | |||
1859 | OptionalClangModuleID owning_module, bool is_inline) { | |||
1860 | NamespaceDecl *namespace_decl = nullptr; | |||
1861 | ASTContext &ast = getASTContext(); | |||
1862 | TranslationUnitDecl *translation_unit_decl = ast.getTranslationUnitDecl(); | |||
1863 | if (!decl_ctx) | |||
1864 | decl_ctx = translation_unit_decl; | |||
1865 | ||||
1866 | if (name) { | |||
1867 | IdentifierInfo &identifier_info = ast.Idents.get(name); | |||
1868 | DeclarationName decl_name(&identifier_info); | |||
1869 | clang::DeclContext::lookup_result result = decl_ctx->lookup(decl_name); | |||
1870 | for (NamedDecl *decl : result) { | |||
1871 | namespace_decl = dyn_cast<clang::NamespaceDecl>(decl); | |||
1872 | if (namespace_decl) | |||
1873 | return namespace_decl; | |||
1874 | } | |||
1875 | ||||
1876 | namespace_decl = | |||
1877 | NamespaceDecl::Create(ast, decl_ctx, is_inline, SourceLocation(), | |||
1878 | SourceLocation(), &identifier_info, nullptr); | |||
1879 | ||||
1880 | decl_ctx->addDecl(namespace_decl); | |||
1881 | } else { | |||
1882 | if (decl_ctx == translation_unit_decl) { | |||
1883 | namespace_decl = translation_unit_decl->getAnonymousNamespace(); | |||
1884 | if (namespace_decl) | |||
1885 | return namespace_decl; | |||
1886 | ||||
1887 | namespace_decl = | |||
1888 | NamespaceDecl::Create(ast, decl_ctx, false, SourceLocation(), | |||
1889 | SourceLocation(), nullptr, nullptr); | |||
1890 | translation_unit_decl->setAnonymousNamespace(namespace_decl); | |||
1891 | translation_unit_decl->addDecl(namespace_decl); | |||
1892 | assert(namespace_decl == translation_unit_decl->getAnonymousNamespace())(static_cast <bool> (namespace_decl == translation_unit_decl ->getAnonymousNamespace()) ? void (0) : __assert_fail ("namespace_decl == translation_unit_decl->getAnonymousNamespace()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1892, __extension__ __PRETTY_FUNCTION__)); | |||
1893 | } else { | |||
1894 | NamespaceDecl *parent_namespace_decl = cast<NamespaceDecl>(decl_ctx); | |||
1895 | if (parent_namespace_decl) { | |||
1896 | namespace_decl = parent_namespace_decl->getAnonymousNamespace(); | |||
1897 | if (namespace_decl) | |||
1898 | return namespace_decl; | |||
1899 | namespace_decl = | |||
1900 | NamespaceDecl::Create(ast, decl_ctx, false, SourceLocation(), | |||
1901 | SourceLocation(), nullptr, nullptr); | |||
1902 | parent_namespace_decl->setAnonymousNamespace(namespace_decl); | |||
1903 | parent_namespace_decl->addDecl(namespace_decl); | |||
1904 | assert(namespace_decl ==(static_cast <bool> (namespace_decl == parent_namespace_decl ->getAnonymousNamespace()) ? void (0) : __assert_fail ("namespace_decl == parent_namespace_decl->getAnonymousNamespace()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1905, __extension__ __PRETTY_FUNCTION__)) | |||
1905 | parent_namespace_decl->getAnonymousNamespace())(static_cast <bool> (namespace_decl == parent_namespace_decl ->getAnonymousNamespace()) ? void (0) : __assert_fail ("namespace_decl == parent_namespace_decl->getAnonymousNamespace()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1905, __extension__ __PRETTY_FUNCTION__)); | |||
1906 | } else { | |||
1907 | assert(false && "GetUniqueNamespaceDeclaration called with no name and "(static_cast <bool> (false && "GetUniqueNamespaceDeclaration called with no name and " "no namespace as decl_ctx") ? void (0) : __assert_fail ("false && \"GetUniqueNamespaceDeclaration called with no name and \" \"no namespace as decl_ctx\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1908, __extension__ __PRETTY_FUNCTION__)) | |||
1908 | "no namespace as decl_ctx")(static_cast <bool> (false && "GetUniqueNamespaceDeclaration called with no name and " "no namespace as decl_ctx") ? void (0) : __assert_fail ("false && \"GetUniqueNamespaceDeclaration called with no name and \" \"no namespace as decl_ctx\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1908, __extension__ __PRETTY_FUNCTION__)); | |||
1909 | } | |||
1910 | } | |||
1911 | } | |||
1912 | // Note: namespaces can span multiple modules, so perhaps this isn't a good | |||
1913 | // idea. | |||
1914 | SetOwningModule(namespace_decl, owning_module); | |||
1915 | ||||
1916 | VerifyDecl(namespace_decl); | |||
1917 | return namespace_decl; | |||
1918 | } | |||
1919 | ||||
1920 | clang::BlockDecl * | |||
1921 | TypeSystemClang::CreateBlockDeclaration(clang::DeclContext *ctx, | |||
1922 | OptionalClangModuleID owning_module) { | |||
1923 | if (ctx) { | |||
1924 | clang::BlockDecl *decl = | |||
1925 | clang::BlockDecl::CreateDeserialized(getASTContext(), 0); | |||
1926 | decl->setDeclContext(ctx); | |||
1927 | ctx->addDecl(decl); | |||
1928 | SetOwningModule(decl, owning_module); | |||
1929 | return decl; | |||
1930 | } | |||
1931 | return nullptr; | |||
1932 | } | |||
1933 | ||||
1934 | clang::DeclContext *FindLCABetweenDecls(clang::DeclContext *left, | |||
1935 | clang::DeclContext *right, | |||
1936 | clang::DeclContext *root) { | |||
1937 | if (root == nullptr) | |||
1938 | return nullptr; | |||
1939 | ||||
1940 | std::set<clang::DeclContext *> path_left; | |||
1941 | for (clang::DeclContext *d = left; d != nullptr; d = d->getParent()) | |||
1942 | path_left.insert(d); | |||
1943 | ||||
1944 | for (clang::DeclContext *d = right; d != nullptr; d = d->getParent()) | |||
1945 | if (path_left.find(d) != path_left.end()) | |||
1946 | return d; | |||
1947 | ||||
1948 | return nullptr; | |||
1949 | } | |||
1950 | ||||
1951 | clang::UsingDirectiveDecl *TypeSystemClang::CreateUsingDirectiveDeclaration( | |||
1952 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, | |||
1953 | clang::NamespaceDecl *ns_decl) { | |||
1954 | if (decl_ctx && ns_decl) { | |||
1955 | auto *translation_unit = getASTContext().getTranslationUnitDecl(); | |||
1956 | clang::UsingDirectiveDecl *using_decl = clang::UsingDirectiveDecl::Create( | |||
1957 | getASTContext(), decl_ctx, clang::SourceLocation(), | |||
1958 | clang::SourceLocation(), clang::NestedNameSpecifierLoc(), | |||
1959 | clang::SourceLocation(), ns_decl, | |||
1960 | FindLCABetweenDecls(decl_ctx, ns_decl, | |||
1961 | translation_unit)); | |||
1962 | decl_ctx->addDecl(using_decl); | |||
1963 | SetOwningModule(using_decl, owning_module); | |||
1964 | return using_decl; | |||
1965 | } | |||
1966 | return nullptr; | |||
1967 | } | |||
1968 | ||||
1969 | clang::UsingDecl * | |||
1970 | TypeSystemClang::CreateUsingDeclaration(clang::DeclContext *current_decl_ctx, | |||
1971 | OptionalClangModuleID owning_module, | |||
1972 | clang::NamedDecl *target) { | |||
1973 | if (current_decl_ctx && target) { | |||
1974 | clang::UsingDecl *using_decl = clang::UsingDecl::Create( | |||
1975 | getASTContext(), current_decl_ctx, clang::SourceLocation(), | |||
1976 | clang::NestedNameSpecifierLoc(), clang::DeclarationNameInfo(), false); | |||
1977 | SetOwningModule(using_decl, owning_module); | |||
1978 | clang::UsingShadowDecl *shadow_decl = clang::UsingShadowDecl::Create( | |||
1979 | getASTContext(), current_decl_ctx, clang::SourceLocation(), | |||
1980 | target->getDeclName(), using_decl, target); | |||
1981 | SetOwningModule(shadow_decl, owning_module); | |||
1982 | using_decl->addShadowDecl(shadow_decl); | |||
1983 | current_decl_ctx->addDecl(using_decl); | |||
1984 | return using_decl; | |||
1985 | } | |||
1986 | return nullptr; | |||
1987 | } | |||
1988 | ||||
1989 | clang::VarDecl *TypeSystemClang::CreateVariableDeclaration( | |||
1990 | clang::DeclContext *decl_context, OptionalClangModuleID owning_module, | |||
1991 | const char *name, clang::QualType type) { | |||
1992 | if (decl_context) { | |||
1993 | clang::VarDecl *var_decl = | |||
1994 | clang::VarDecl::CreateDeserialized(getASTContext(), 0); | |||
1995 | var_decl->setDeclContext(decl_context); | |||
1996 | if (name && name[0]) | |||
1997 | var_decl->setDeclName(&getASTContext().Idents.getOwn(name)); | |||
1998 | var_decl->setType(type); | |||
1999 | SetOwningModule(var_decl, owning_module); | |||
2000 | var_decl->setAccess(clang::AS_public); | |||
2001 | decl_context->addDecl(var_decl); | |||
2002 | return var_decl; | |||
2003 | } | |||
2004 | return nullptr; | |||
2005 | } | |||
2006 | ||||
2007 | lldb::opaque_compiler_type_t | |||
2008 | TypeSystemClang::GetOpaqueCompilerType(clang::ASTContext *ast, | |||
2009 | lldb::BasicType basic_type) { | |||
2010 | switch (basic_type) { | |||
2011 | case eBasicTypeVoid: | |||
2012 | return ast->VoidTy.getAsOpaquePtr(); | |||
2013 | case eBasicTypeChar: | |||
2014 | return ast->CharTy.getAsOpaquePtr(); | |||
2015 | case eBasicTypeSignedChar: | |||
2016 | return ast->SignedCharTy.getAsOpaquePtr(); | |||
2017 | case eBasicTypeUnsignedChar: | |||
2018 | return ast->UnsignedCharTy.getAsOpaquePtr(); | |||
2019 | case eBasicTypeWChar: | |||
2020 | return ast->getWCharType().getAsOpaquePtr(); | |||
2021 | case eBasicTypeSignedWChar: | |||
2022 | return ast->getSignedWCharType().getAsOpaquePtr(); | |||
2023 | case eBasicTypeUnsignedWChar: | |||
2024 | return ast->getUnsignedWCharType().getAsOpaquePtr(); | |||
2025 | case eBasicTypeChar16: | |||
2026 | return ast->Char16Ty.getAsOpaquePtr(); | |||
2027 | case eBasicTypeChar32: | |||
2028 | return ast->Char32Ty.getAsOpaquePtr(); | |||
2029 | case eBasicTypeShort: | |||
2030 | return ast->ShortTy.getAsOpaquePtr(); | |||
2031 | case eBasicTypeUnsignedShort: | |||
2032 | return ast->UnsignedShortTy.getAsOpaquePtr(); | |||
2033 | case eBasicTypeInt: | |||
2034 | return ast->IntTy.getAsOpaquePtr(); | |||
2035 | case eBasicTypeUnsignedInt: | |||
2036 | return ast->UnsignedIntTy.getAsOpaquePtr(); | |||
2037 | case eBasicTypeLong: | |||
2038 | return ast->LongTy.getAsOpaquePtr(); | |||
2039 | case eBasicTypeUnsignedLong: | |||
2040 | return ast->UnsignedLongTy.getAsOpaquePtr(); | |||
2041 | case eBasicTypeLongLong: | |||
2042 | return ast->LongLongTy.getAsOpaquePtr(); | |||
2043 | case eBasicTypeUnsignedLongLong: | |||
2044 | return ast->UnsignedLongLongTy.getAsOpaquePtr(); | |||
2045 | case eBasicTypeInt128: | |||
2046 | return ast->Int128Ty.getAsOpaquePtr(); | |||
2047 | case eBasicTypeUnsignedInt128: | |||
2048 | return ast->UnsignedInt128Ty.getAsOpaquePtr(); | |||
2049 | case eBasicTypeBool: | |||
2050 | return ast->BoolTy.getAsOpaquePtr(); | |||
2051 | case eBasicTypeHalf: | |||
2052 | return ast->HalfTy.getAsOpaquePtr(); | |||
2053 | case eBasicTypeFloat: | |||
2054 | return ast->FloatTy.getAsOpaquePtr(); | |||
2055 | case eBasicTypeDouble: | |||
2056 | return ast->DoubleTy.getAsOpaquePtr(); | |||
2057 | case eBasicTypeLongDouble: | |||
2058 | return ast->LongDoubleTy.getAsOpaquePtr(); | |||
2059 | case eBasicTypeFloatComplex: | |||
2060 | return ast->getComplexType(ast->FloatTy).getAsOpaquePtr(); | |||
2061 | case eBasicTypeDoubleComplex: | |||
2062 | return ast->getComplexType(ast->DoubleTy).getAsOpaquePtr(); | |||
2063 | case eBasicTypeLongDoubleComplex: | |||
2064 | return ast->getComplexType(ast->LongDoubleTy).getAsOpaquePtr(); | |||
2065 | case eBasicTypeObjCID: | |||
2066 | return ast->getObjCIdType().getAsOpaquePtr(); | |||
2067 | case eBasicTypeObjCClass: | |||
2068 | return ast->getObjCClassType().getAsOpaquePtr(); | |||
2069 | case eBasicTypeObjCSel: | |||
2070 | return ast->getObjCSelType().getAsOpaquePtr(); | |||
2071 | case eBasicTypeNullPtr: | |||
2072 | return ast->NullPtrTy.getAsOpaquePtr(); | |||
2073 | default: | |||
2074 | return nullptr; | |||
2075 | } | |||
2076 | } | |||
2077 | ||||
2078 | #pragma mark Function Types | |||
2079 | ||||
2080 | clang::DeclarationName | |||
2081 | TypeSystemClang::GetDeclarationName(llvm::StringRef name, | |||
2082 | const CompilerType &function_clang_type) { | |||
2083 | clang::OverloadedOperatorKind op_kind = clang::NUM_OVERLOADED_OPERATORS; | |||
2084 | if (!IsOperator(name, op_kind) || op_kind == clang::NUM_OVERLOADED_OPERATORS) | |||
2085 | return DeclarationName(&getASTContext().Idents.get( | |||
2086 | name)); // Not operator, but a regular function. | |||
2087 | ||||
2088 | // Check the number of operator parameters. Sometimes we have seen bad DWARF | |||
2089 | // that doesn't correctly describe operators and if we try to create a method | |||
2090 | // and add it to the class, clang will assert and crash, so we need to make | |||
2091 | // sure things are acceptable. | |||
2092 | clang::QualType method_qual_type(ClangUtil::GetQualType(function_clang_type)); | |||
2093 | const clang::FunctionProtoType *function_type = | |||
2094 | llvm::dyn_cast<clang::FunctionProtoType>(method_qual_type.getTypePtr()); | |||
2095 | if (function_type == nullptr) | |||
2096 | return clang::DeclarationName(); | |||
2097 | ||||
2098 | const bool is_method = false; | |||
2099 | const unsigned int num_params = function_type->getNumParams(); | |||
2100 | if (!TypeSystemClang::CheckOverloadedOperatorKindParameterCount( | |||
2101 | is_method, op_kind, num_params)) | |||
2102 | return clang::DeclarationName(); | |||
2103 | ||||
2104 | return getASTContext().DeclarationNames.getCXXOperatorName(op_kind); | |||
2105 | } | |||
2106 | ||||
2107 | PrintingPolicy TypeSystemClang::GetTypePrintingPolicy() { | |||
2108 | clang::PrintingPolicy printing_policy(getASTContext().getPrintingPolicy()); | |||
2109 | printing_policy.SuppressTagKeyword = true; | |||
2110 | // Inline namespaces are important for some type formatters (e.g., libc++ | |||
2111 | // and libstdc++ are differentiated by their inline namespaces). | |||
2112 | printing_policy.SuppressInlineNamespace = false; | |||
2113 | printing_policy.SuppressUnwrittenScope = false; | |||
2114 | // Default arguments are also always important for type formatters. Otherwise | |||
2115 | // we would need to always specify two type names for the setups where we do | |||
2116 | // know the default arguments and where we don't know default arguments. | |||
2117 | // | |||
2118 | // For example, without this we would need to have formatters for both: | |||
2119 | // std::basic_string<char> | |||
2120 | // and | |||
2121 | // std::basic_string<char, std::char_traits<char>, std::allocator<char> > | |||
2122 | // to support setups where LLDB was able to reconstruct default arguments | |||
2123 | // (and we then would have suppressed them from the type name) and also setups | |||
2124 | // where LLDB wasn't able to reconstruct the default arguments. | |||
2125 | printing_policy.SuppressDefaultTemplateArgs = false; | |||
2126 | return printing_policy; | |||
2127 | } | |||
2128 | ||||
2129 | std::string TypeSystemClang::GetTypeNameForDecl(const NamedDecl *named_decl) { | |||
2130 | clang::PrintingPolicy printing_policy = GetTypePrintingPolicy(); | |||
2131 | std::string result; | |||
2132 | llvm::raw_string_ostream os(result); | |||
2133 | named_decl->printQualifiedName(os, printing_policy); | |||
2134 | return result; | |||
2135 | } | |||
2136 | ||||
2137 | FunctionDecl *TypeSystemClang::CreateFunctionDeclaration( | |||
2138 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, | |||
2139 | llvm::StringRef name, const CompilerType &function_clang_type, | |||
2140 | clang::StorageClass storage, bool is_inline) { | |||
2141 | FunctionDecl *func_decl = nullptr; | |||
2142 | ASTContext &ast = getASTContext(); | |||
2143 | if (!decl_ctx) | |||
2144 | decl_ctx = ast.getTranslationUnitDecl(); | |||
2145 | ||||
2146 | const bool hasWrittenPrototype = true; | |||
2147 | const bool isConstexprSpecified = false; | |||
2148 | ||||
2149 | clang::DeclarationName declarationName = | |||
2150 | GetDeclarationName(name, function_clang_type); | |||
2151 | func_decl = FunctionDecl::CreateDeserialized(ast, 0); | |||
2152 | func_decl->setDeclContext(decl_ctx); | |||
2153 | func_decl->setDeclName(declarationName); | |||
2154 | func_decl->setType(ClangUtil::GetQualType(function_clang_type)); | |||
2155 | func_decl->setStorageClass(storage); | |||
2156 | func_decl->setInlineSpecified(is_inline); | |||
2157 | func_decl->setHasWrittenPrototype(hasWrittenPrototype); | |||
2158 | func_decl->setConstexprKind(isConstexprSpecified | |||
2159 | ? ConstexprSpecKind::Constexpr | |||
2160 | : ConstexprSpecKind::Unspecified); | |||
2161 | SetOwningModule(func_decl, owning_module); | |||
2162 | decl_ctx->addDecl(func_decl); | |||
2163 | ||||
2164 | VerifyDecl(func_decl); | |||
2165 | ||||
2166 | return func_decl; | |||
2167 | } | |||
2168 | ||||
2169 | CompilerType | |||
2170 | TypeSystemClang::CreateFunctionType(const CompilerType &result_type, | |||
2171 | const CompilerType *args, unsigned num_args, | |||
2172 | bool is_variadic, unsigned type_quals, | |||
2173 | clang::CallingConv cc) { | |||
2174 | if (!result_type || !ClangUtil::IsClangType(result_type)) | |||
2175 | return CompilerType(); // invalid return type | |||
2176 | ||||
2177 | std::vector<QualType> qual_type_args; | |||
2178 | if (num_args > 0 && args == nullptr) | |||
2179 | return CompilerType(); // invalid argument array passed in | |||
2180 | ||||
2181 | // Verify that all arguments are valid and the right type | |||
2182 | for (unsigned i = 0; i < num_args; ++i) { | |||
2183 | if (args[i]) { | |||
2184 | // Make sure we have a clang type in args[i] and not a type from another | |||
2185 | // language whose name might match | |||
2186 | const bool is_clang_type = ClangUtil::IsClangType(args[i]); | |||
2187 | lldbassert(is_clang_type)lldb_private::lldb_assert(static_cast<bool>(is_clang_type ), "is_clang_type", __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 2187); | |||
2188 | if (is_clang_type) | |||
2189 | qual_type_args.push_back(ClangUtil::GetQualType(args[i])); | |||
2190 | else | |||
2191 | return CompilerType(); // invalid argument type (must be a clang type) | |||
2192 | } else | |||
2193 | return CompilerType(); // invalid argument type (empty) | |||
2194 | } | |||
2195 | ||||
2196 | // TODO: Detect calling convention in DWARF? | |||
2197 | FunctionProtoType::ExtProtoInfo proto_info; | |||
2198 | proto_info.ExtInfo = cc; | |||
2199 | proto_info.Variadic = is_variadic; | |||
2200 | proto_info.ExceptionSpec = EST_None; | |||
2201 | proto_info.TypeQuals = clang::Qualifiers::fromFastMask(type_quals); | |||
2202 | proto_info.RefQualifier = RQ_None; | |||
2203 | ||||
2204 | return GetType(getASTContext().getFunctionType( | |||
2205 | ClangUtil::GetQualType(result_type), qual_type_args, proto_info)); | |||
2206 | } | |||
2207 | ||||
2208 | ParmVarDecl *TypeSystemClang::CreateParameterDeclaration( | |||
2209 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, | |||
2210 | const char *name, const CompilerType ¶m_type, int storage, | |||
2211 | bool add_decl) { | |||
2212 | ASTContext &ast = getASTContext(); | |||
2213 | auto *decl = ParmVarDecl::CreateDeserialized(ast, 0); | |||
2214 | decl->setDeclContext(decl_ctx); | |||
2215 | if (name && name[0]) | |||
2216 | decl->setDeclName(&ast.Idents.get(name)); | |||
2217 | decl->setType(ClangUtil::GetQualType(param_type)); | |||
2218 | decl->setStorageClass(static_cast<clang::StorageClass>(storage)); | |||
2219 | SetOwningModule(decl, owning_module); | |||
2220 | if (add_decl) | |||
2221 | decl_ctx->addDecl(decl); | |||
2222 | ||||
2223 | return decl; | |||
2224 | } | |||
2225 | ||||
2226 | void TypeSystemClang::SetFunctionParameters( | |||
2227 | FunctionDecl *function_decl, llvm::ArrayRef<ParmVarDecl *> params) { | |||
2228 | if (function_decl) | |||
2229 | function_decl->setParams(params); | |||
2230 | } | |||
2231 | ||||
2232 | CompilerType | |||
2233 | TypeSystemClang::CreateBlockPointerType(const CompilerType &function_type) { | |||
2234 | QualType block_type = m_ast_up->getBlockPointerType( | |||
2235 | clang::QualType::getFromOpaquePtr(function_type.GetOpaqueQualType())); | |||
2236 | ||||
2237 | return GetType(block_type); | |||
2238 | } | |||
2239 | ||||
2240 | #pragma mark Array Types | |||
2241 | ||||
2242 | CompilerType TypeSystemClang::CreateArrayType(const CompilerType &element_type, | |||
2243 | size_t element_count, | |||
2244 | bool is_vector) { | |||
2245 | if (element_type.IsValid()) { | |||
2246 | ASTContext &ast = getASTContext(); | |||
2247 | ||||
2248 | if (is_vector) { | |||
2249 | return GetType(ast.getExtVectorType(ClangUtil::GetQualType(element_type), | |||
2250 | element_count)); | |||
2251 | } else { | |||
2252 | ||||
2253 | llvm::APInt ap_element_count(64, element_count); | |||
2254 | if (element_count == 0) { | |||
2255 | return GetType(ast.getIncompleteArrayType( | |||
2256 | ClangUtil::GetQualType(element_type), clang::ArrayType::Normal, 0)); | |||
2257 | } else { | |||
2258 | return GetType(ast.getConstantArrayType( | |||
2259 | ClangUtil::GetQualType(element_type), ap_element_count, nullptr, | |||
2260 | clang::ArrayType::Normal, 0)); | |||
2261 | } | |||
2262 | } | |||
2263 | } | |||
2264 | return CompilerType(); | |||
2265 | } | |||
2266 | ||||
2267 | CompilerType TypeSystemClang::CreateStructForIdentifier( | |||
2268 | ConstString type_name, | |||
2269 | const std::initializer_list<std::pair<const char *, CompilerType>> | |||
2270 | &type_fields, | |||
2271 | bool packed) { | |||
2272 | CompilerType type; | |||
2273 | if (!type_name.IsEmpty() && | |||
2274 | (type = GetTypeForIdentifier<clang::CXXRecordDecl>(type_name)) | |||
2275 | .IsValid()) { | |||
2276 | lldbassert(0 && "Trying to create a type for an existing name")lldb_private::lldb_assert(static_cast<bool>(0 && "Trying to create a type for an existing name"), "0 && \"Trying to create a type for an existing name\"" , __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 2276); | |||
2277 | return type; | |||
2278 | } | |||
2279 | ||||
2280 | type = CreateRecordType(nullptr, OptionalClangModuleID(), lldb::eAccessPublic, | |||
2281 | type_name.GetCString(), clang::TTK_Struct, | |||
2282 | lldb::eLanguageTypeC); | |||
2283 | StartTagDeclarationDefinition(type); | |||
2284 | for (const auto &field : type_fields) | |||
2285 | AddFieldToRecordType(type, field.first, field.second, lldb::eAccessPublic, | |||
2286 | 0); | |||
2287 | if (packed) | |||
2288 | SetIsPacked(type); | |||
2289 | CompleteTagDeclarationDefinition(type); | |||
2290 | return type; | |||
2291 | } | |||
2292 | ||||
2293 | CompilerType TypeSystemClang::GetOrCreateStructForIdentifier( | |||
2294 | ConstString type_name, | |||
2295 | const std::initializer_list<std::pair<const char *, CompilerType>> | |||
2296 | &type_fields, | |||
2297 | bool packed) { | |||
2298 | CompilerType type; | |||
2299 | if ((type = GetTypeForIdentifier<clang::CXXRecordDecl>(type_name)).IsValid()) | |||
2300 | return type; | |||
2301 | ||||
2302 | return CreateStructForIdentifier(type_name, type_fields, packed); | |||
2303 | } | |||
2304 | ||||
2305 | #pragma mark Enumeration Types | |||
2306 | ||||
2307 | CompilerType TypeSystemClang::CreateEnumerationType( | |||
2308 | llvm::StringRef name, clang::DeclContext *decl_ctx, | |||
2309 | OptionalClangModuleID owning_module, const Declaration &decl, | |||
2310 | const CompilerType &integer_clang_type, bool is_scoped) { | |||
2311 | // TODO: Do something intelligent with the Declaration object passed in | |||
2312 | // like maybe filling in the SourceLocation with it... | |||
2313 | ASTContext &ast = getASTContext(); | |||
2314 | ||||
2315 | // TODO: ask about these... | |||
2316 | // const bool IsFixed = false; | |||
2317 | EnumDecl *enum_decl = EnumDecl::CreateDeserialized(ast, 0); | |||
2318 | enum_decl->setDeclContext(decl_ctx); | |||
2319 | if (!name.empty()) | |||
2320 | enum_decl->setDeclName(&ast.Idents.get(name)); | |||
2321 | enum_decl->setScoped(is_scoped); | |||
2322 | enum_decl->setScopedUsingClassTag(is_scoped); | |||
2323 | enum_decl->setFixed(false); | |||
2324 | SetOwningModule(enum_decl, owning_module); | |||
2325 | if (decl_ctx) | |||
2326 | decl_ctx->addDecl(enum_decl); | |||
2327 | ||||
2328 | // TODO: check if we should be setting the promotion type too? | |||
2329 | enum_decl->setIntegerType(ClangUtil::GetQualType(integer_clang_type)); | |||
2330 | ||||
2331 | enum_decl->setAccess(AS_public); // TODO respect what's in the debug info | |||
2332 | ||||
2333 | return GetType(ast.getTagDeclType(enum_decl)); | |||
2334 | } | |||
2335 | ||||
2336 | CompilerType TypeSystemClang::GetIntTypeFromBitSize(size_t bit_size, | |||
2337 | bool is_signed) { | |||
2338 | clang::ASTContext &ast = getASTContext(); | |||
2339 | ||||
2340 | if (is_signed) { | |||
2341 | if (bit_size == ast.getTypeSize(ast.SignedCharTy)) | |||
2342 | return GetType(ast.SignedCharTy); | |||
2343 | ||||
2344 | if (bit_size == ast.getTypeSize(ast.ShortTy)) | |||
2345 | return GetType(ast.ShortTy); | |||
2346 | ||||
2347 | if (bit_size == ast.getTypeSize(ast.IntTy)) | |||
2348 | return GetType(ast.IntTy); | |||
2349 | ||||
2350 | if (bit_size == ast.getTypeSize(ast.LongTy)) | |||
2351 | return GetType(ast.LongTy); | |||
2352 | ||||
2353 | if (bit_size == ast.getTypeSize(ast.LongLongTy)) | |||
2354 | return GetType(ast.LongLongTy); | |||
2355 | ||||
2356 | if (bit_size == ast.getTypeSize(ast.Int128Ty)) | |||
2357 | return GetType(ast.Int128Ty); | |||
2358 | } else { | |||
2359 | if (bit_size == ast.getTypeSize(ast.UnsignedCharTy)) | |||
2360 | return GetType(ast.UnsignedCharTy); | |||
2361 | ||||
2362 | if (bit_size == ast.getTypeSize(ast.UnsignedShortTy)) | |||
2363 | return GetType(ast.UnsignedShortTy); | |||
2364 | ||||
2365 | if (bit_size == ast.getTypeSize(ast.UnsignedIntTy)) | |||
2366 | return GetType(ast.UnsignedIntTy); | |||
2367 | ||||
2368 | if (bit_size == ast.getTypeSize(ast.UnsignedLongTy)) | |||
2369 | return GetType(ast.UnsignedLongTy); | |||
2370 | ||||
2371 | if (bit_size == ast.getTypeSize(ast.UnsignedLongLongTy)) | |||
2372 | return GetType(ast.UnsignedLongLongTy); | |||
2373 | ||||
2374 | if (bit_size == ast.getTypeSize(ast.UnsignedInt128Ty)) | |||
2375 | return GetType(ast.UnsignedInt128Ty); | |||
2376 | } | |||
2377 | return CompilerType(); | |||
2378 | } | |||
2379 | ||||
2380 | CompilerType TypeSystemClang::GetPointerSizedIntType(bool is_signed) { | |||
2381 | return GetIntTypeFromBitSize( | |||
2382 | getASTContext().getTypeSize(getASTContext().VoidPtrTy), is_signed); | |||
2383 | } | |||
2384 | ||||
2385 | void TypeSystemClang::DumpDeclContextHiearchy(clang::DeclContext *decl_ctx) { | |||
2386 | if (decl_ctx) { | |||
2387 | DumpDeclContextHiearchy(decl_ctx->getParent()); | |||
2388 | ||||
2389 | clang::NamedDecl *named_decl = llvm::dyn_cast<clang::NamedDecl>(decl_ctx); | |||
2390 | if (named_decl) { | |||
2391 | printf("%20s: %s\n", decl_ctx->getDeclKindName(), | |||
2392 | named_decl->getDeclName().getAsString().c_str()); | |||
2393 | } else { | |||
2394 | printf("%20s\n", decl_ctx->getDeclKindName()); | |||
2395 | } | |||
2396 | } | |||
2397 | } | |||
2398 | ||||
2399 | void TypeSystemClang::DumpDeclHiearchy(clang::Decl *decl) { | |||
2400 | if (decl == nullptr) | |||
2401 | return; | |||
2402 | DumpDeclContextHiearchy(decl->getDeclContext()); | |||
2403 | ||||
2404 | clang::RecordDecl *record_decl = llvm::dyn_cast<clang::RecordDecl>(decl); | |||
2405 | if (record_decl) { | |||
2406 | printf("%20s: %s%s\n", decl->getDeclKindName(), | |||
2407 | record_decl->getDeclName().getAsString().c_str(), | |||
2408 | record_decl->isInjectedClassName() ? " (injected class name)" : ""); | |||
2409 | ||||
2410 | } else { | |||
2411 | clang::NamedDecl *named_decl = llvm::dyn_cast<clang::NamedDecl>(decl); | |||
2412 | if (named_decl) { | |||
2413 | printf("%20s: %s\n", decl->getDeclKindName(), | |||
2414 | named_decl->getDeclName().getAsString().c_str()); | |||
2415 | } else { | |||
2416 | printf("%20s\n", decl->getDeclKindName()); | |||
2417 | } | |||
2418 | } | |||
2419 | } | |||
2420 | ||||
2421 | bool TypeSystemClang::DeclsAreEquivalent(clang::Decl *lhs_decl, | |||
2422 | clang::Decl *rhs_decl) { | |||
2423 | if (lhs_decl && rhs_decl) { | |||
2424 | // Make sure the decl kinds match first | |||
2425 | const clang::Decl::Kind lhs_decl_kind = lhs_decl->getKind(); | |||
2426 | const clang::Decl::Kind rhs_decl_kind = rhs_decl->getKind(); | |||
2427 | ||||
2428 | if (lhs_decl_kind == rhs_decl_kind) { | |||
2429 | // Now check that the decl contexts kinds are all equivalent before we | |||
2430 | // have to check any names of the decl contexts... | |||
2431 | clang::DeclContext *lhs_decl_ctx = lhs_decl->getDeclContext(); | |||
2432 | clang::DeclContext *rhs_decl_ctx = rhs_decl->getDeclContext(); | |||
2433 | if (lhs_decl_ctx && rhs_decl_ctx) { | |||
2434 | while (true) { | |||
2435 | if (lhs_decl_ctx && rhs_decl_ctx) { | |||
2436 | const clang::Decl::Kind lhs_decl_ctx_kind = | |||
2437 | lhs_decl_ctx->getDeclKind(); | |||
2438 | const clang::Decl::Kind rhs_decl_ctx_kind = | |||
2439 | rhs_decl_ctx->getDeclKind(); | |||
2440 | if (lhs_decl_ctx_kind == rhs_decl_ctx_kind) { | |||
2441 | lhs_decl_ctx = lhs_decl_ctx->getParent(); | |||
2442 | rhs_decl_ctx = rhs_decl_ctx->getParent(); | |||
2443 | ||||
2444 | if (lhs_decl_ctx == nullptr && rhs_decl_ctx == nullptr) | |||
2445 | break; | |||
2446 | } else | |||
2447 | return false; | |||
2448 | } else | |||
2449 | return false; | |||
2450 | } | |||
2451 | ||||
2452 | // Now make sure the name of the decls match | |||
2453 | clang::NamedDecl *lhs_named_decl = | |||
2454 | llvm::dyn_cast<clang::NamedDecl>(lhs_decl); | |||
2455 | clang::NamedDecl *rhs_named_decl = | |||
2456 | llvm::dyn_cast<clang::NamedDecl>(rhs_decl); | |||
2457 | if (lhs_named_decl && rhs_named_decl) { | |||
2458 | clang::DeclarationName lhs_decl_name = lhs_named_decl->getDeclName(); | |||
2459 | clang::DeclarationName rhs_decl_name = rhs_named_decl->getDeclName(); | |||
2460 | if (lhs_decl_name.getNameKind() == rhs_decl_name.getNameKind()) { | |||
2461 | if (lhs_decl_name.getAsString() != rhs_decl_name.getAsString()) | |||
2462 | return false; | |||
2463 | } else | |||
2464 | return false; | |||
2465 | } else | |||
2466 | return false; | |||
2467 | ||||
2468 | // We know that the decl context kinds all match, so now we need to | |||
2469 | // make sure the names match as well | |||
2470 | lhs_decl_ctx = lhs_decl->getDeclContext(); | |||
2471 | rhs_decl_ctx = rhs_decl->getDeclContext(); | |||
2472 | while (true) { | |||
2473 | switch (lhs_decl_ctx->getDeclKind()) { | |||
2474 | case clang::Decl::TranslationUnit: | |||
2475 | // We don't care about the translation unit names | |||
2476 | return true; | |||
2477 | default: { | |||
2478 | clang::NamedDecl *lhs_named_decl = | |||
2479 | llvm::dyn_cast<clang::NamedDecl>(lhs_decl_ctx); | |||
2480 | clang::NamedDecl *rhs_named_decl = | |||
2481 | llvm::dyn_cast<clang::NamedDecl>(rhs_decl_ctx); | |||
2482 | if (lhs_named_decl && rhs_named_decl) { | |||
2483 | clang::DeclarationName lhs_decl_name = | |||
2484 | lhs_named_decl->getDeclName(); | |||
2485 | clang::DeclarationName rhs_decl_name = | |||
2486 | rhs_named_decl->getDeclName(); | |||
2487 | if (lhs_decl_name.getNameKind() == rhs_decl_name.getNameKind()) { | |||
2488 | if (lhs_decl_name.getAsString() != rhs_decl_name.getAsString()) | |||
2489 | return false; | |||
2490 | } else | |||
2491 | return false; | |||
2492 | } else | |||
2493 | return false; | |||
2494 | } break; | |||
2495 | } | |||
2496 | lhs_decl_ctx = lhs_decl_ctx->getParent(); | |||
2497 | rhs_decl_ctx = rhs_decl_ctx->getParent(); | |||
2498 | } | |||
2499 | } | |||
2500 | } | |||
2501 | } | |||
2502 | return false; | |||
2503 | } | |||
2504 | bool TypeSystemClang::GetCompleteDecl(clang::ASTContext *ast, | |||
2505 | clang::Decl *decl) { | |||
2506 | if (!decl) | |||
2507 | return false; | |||
2508 | ||||
2509 | ExternalASTSource *ast_source = ast->getExternalSource(); | |||
2510 | ||||
2511 | if (!ast_source) | |||
2512 | return false; | |||
2513 | ||||
2514 | if (clang::TagDecl *tag_decl = llvm::dyn_cast<clang::TagDecl>(decl)) { | |||
2515 | if (tag_decl->isCompleteDefinition()) | |||
2516 | return true; | |||
2517 | ||||
2518 | if (!tag_decl->hasExternalLexicalStorage()) | |||
2519 | return false; | |||
2520 | ||||
2521 | ast_source->CompleteType(tag_decl); | |||
2522 | ||||
2523 | return !tag_decl->getTypeForDecl()->isIncompleteType(); | |||
2524 | } else if (clang::ObjCInterfaceDecl *objc_interface_decl = | |||
2525 | llvm::dyn_cast<clang::ObjCInterfaceDecl>(decl)) { | |||
2526 | if (objc_interface_decl->getDefinition()) | |||
2527 | return true; | |||
2528 | ||||
2529 | if (!objc_interface_decl->hasExternalLexicalStorage()) | |||
2530 | return false; | |||
2531 | ||||
2532 | ast_source->CompleteType(objc_interface_decl); | |||
2533 | ||||
2534 | return !objc_interface_decl->getTypeForDecl()->isIncompleteType(); | |||
2535 | } else { | |||
2536 | return false; | |||
2537 | } | |||
2538 | } | |||
2539 | ||||
2540 | void TypeSystemClang::SetMetadataAsUserID(const clang::Decl *decl, | |||
2541 | user_id_t user_id) { | |||
2542 | ClangASTMetadata meta_data; | |||
2543 | meta_data.SetUserID(user_id); | |||
2544 | SetMetadata(decl, meta_data); | |||
2545 | } | |||
2546 | ||||
2547 | void TypeSystemClang::SetMetadataAsUserID(const clang::Type *type, | |||
2548 | user_id_t user_id) { | |||
2549 | ClangASTMetadata meta_data; | |||
2550 | meta_data.SetUserID(user_id); | |||
2551 | SetMetadata(type, meta_data); | |||
2552 | } | |||
2553 | ||||
2554 | void TypeSystemClang::SetMetadata(const clang::Decl *object, | |||
2555 | ClangASTMetadata &metadata) { | |||
2556 | m_decl_metadata[object] = metadata; | |||
2557 | } | |||
2558 | ||||
2559 | void TypeSystemClang::SetMetadata(const clang::Type *object, | |||
2560 | ClangASTMetadata &metadata) { | |||
2561 | m_type_metadata[object] = metadata; | |||
2562 | } | |||
2563 | ||||
2564 | ClangASTMetadata *TypeSystemClang::GetMetadata(const clang::Decl *object) { | |||
2565 | auto It = m_decl_metadata.find(object); | |||
2566 | if (It != m_decl_metadata.end()) | |||
2567 | return &It->second; | |||
2568 | return nullptr; | |||
2569 | } | |||
2570 | ||||
2571 | ClangASTMetadata *TypeSystemClang::GetMetadata(const clang::Type *object) { | |||
2572 | auto It = m_type_metadata.find(object); | |||
2573 | if (It != m_type_metadata.end()) | |||
2574 | return &It->second; | |||
2575 | return nullptr; | |||
2576 | } | |||
2577 | ||||
2578 | void TypeSystemClang::SetCXXRecordDeclAccess(const clang::CXXRecordDecl *object, | |||
2579 | clang::AccessSpecifier access) { | |||
2580 | if (access == clang::AccessSpecifier::AS_none) | |||
2581 | m_cxx_record_decl_access.erase(object); | |||
2582 | else | |||
2583 | m_cxx_record_decl_access[object] = access; | |||
2584 | } | |||
2585 | ||||
2586 | clang::AccessSpecifier | |||
2587 | TypeSystemClang::GetCXXRecordDeclAccess(const clang::CXXRecordDecl *object) { | |||
2588 | auto It = m_cxx_record_decl_access.find(object); | |||
2589 | if (It != m_cxx_record_decl_access.end()) | |||
2590 | return It->second; | |||
2591 | return clang::AccessSpecifier::AS_none; | |||
2592 | } | |||
2593 | ||||
2594 | clang::DeclContext * | |||
2595 | TypeSystemClang::GetDeclContextForType(const CompilerType &type) { | |||
2596 | return GetDeclContextForType(ClangUtil::GetQualType(type)); | |||
2597 | } | |||
2598 | ||||
2599 | /// Aggressively desugar the provided type, skipping past various kinds of | |||
2600 | /// syntactic sugar and other constructs one typically wants to ignore. | |||
2601 | /// The \p mask argument allows one to skip certain kinds of simplifications, | |||
2602 | /// when one wishes to handle a certain kind of type directly. | |||
2603 | static QualType | |||
2604 | RemoveWrappingTypes(QualType type, ArrayRef<clang::Type::TypeClass> mask = {}) { | |||
2605 | while (true) { | |||
2606 | if (find(mask, type->getTypeClass()) != mask.end()) | |||
2607 | return type; | |||
2608 | switch (type->getTypeClass()) { | |||
2609 | // This is not fully correct as _Atomic is more than sugar, but it is | |||
2610 | // sufficient for the purposes we care about. | |||
2611 | case clang::Type::Atomic: | |||
2612 | type = cast<clang::AtomicType>(type)->getValueType(); | |||
2613 | break; | |||
2614 | case clang::Type::Auto: | |||
2615 | case clang::Type::Decltype: | |||
2616 | case clang::Type::Elaborated: | |||
2617 | case clang::Type::Paren: | |||
2618 | case clang::Type::SubstTemplateTypeParm: | |||
2619 | case clang::Type::TemplateSpecialization: | |||
2620 | case clang::Type::Typedef: | |||
2621 | case clang::Type::TypeOf: | |||
2622 | case clang::Type::TypeOfExpr: | |||
2623 | case clang::Type::Using: | |||
2624 | type = type->getLocallyUnqualifiedSingleStepDesugaredType(); | |||
2625 | break; | |||
2626 | default: | |||
2627 | return type; | |||
2628 | } | |||
2629 | } | |||
2630 | } | |||
2631 | ||||
2632 | clang::DeclContext * | |||
2633 | TypeSystemClang::GetDeclContextForType(clang::QualType type) { | |||
2634 | if (type.isNull()) | |||
2635 | return nullptr; | |||
2636 | ||||
2637 | clang::QualType qual_type = RemoveWrappingTypes(type.getCanonicalType()); | |||
2638 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
2639 | switch (type_class) { | |||
2640 | case clang::Type::ObjCInterface: | |||
2641 | return llvm::cast<clang::ObjCObjectType>(qual_type.getTypePtr()) | |||
2642 | ->getInterface(); | |||
2643 | case clang::Type::ObjCObjectPointer: | |||
2644 | return GetDeclContextForType( | |||
2645 | llvm::cast<clang::ObjCObjectPointerType>(qual_type.getTypePtr()) | |||
2646 | ->getPointeeType()); | |||
2647 | case clang::Type::Record: | |||
2648 | return llvm::cast<clang::RecordType>(qual_type)->getDecl(); | |||
2649 | case clang::Type::Enum: | |||
2650 | return llvm::cast<clang::EnumType>(qual_type)->getDecl(); | |||
2651 | default: | |||
2652 | break; | |||
2653 | } | |||
2654 | // No DeclContext in this type... | |||
2655 | return nullptr; | |||
2656 | } | |||
2657 | ||||
2658 | static bool GetCompleteQualType(clang::ASTContext *ast, | |||
2659 | clang::QualType qual_type, | |||
2660 | bool allow_completion = true) { | |||
2661 | qual_type = RemoveWrappingTypes(qual_type); | |||
2662 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
2663 | switch (type_class) { | |||
2664 | case clang::Type::ConstantArray: | |||
2665 | case clang::Type::IncompleteArray: | |||
2666 | case clang::Type::VariableArray: { | |||
2667 | const clang::ArrayType *array_type = | |||
2668 | llvm::dyn_cast<clang::ArrayType>(qual_type.getTypePtr()); | |||
2669 | ||||
2670 | if (array_type) | |||
2671 | return GetCompleteQualType(ast, array_type->getElementType(), | |||
2672 | allow_completion); | |||
2673 | } break; | |||
2674 | case clang::Type::Record: { | |||
2675 | clang::CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); | |||
2676 | if (cxx_record_decl) { | |||
2677 | if (cxx_record_decl->hasExternalLexicalStorage()) { | |||
2678 | const bool is_complete = cxx_record_decl->isCompleteDefinition(); | |||
2679 | const bool fields_loaded = | |||
2680 | cxx_record_decl->hasLoadedFieldsFromExternalStorage(); | |||
2681 | if (is_complete && fields_loaded) | |||
2682 | return true; | |||
2683 | ||||
2684 | if (!allow_completion) | |||
2685 | return false; | |||
2686 | ||||
2687 | // Call the field_begin() accessor to for it to use the external source | |||
2688 | // to load the fields... | |||
2689 | clang::ExternalASTSource *external_ast_source = | |||
2690 | ast->getExternalSource(); | |||
2691 | if (external_ast_source) { | |||
2692 | external_ast_source->CompleteType(cxx_record_decl); | |||
2693 | if (cxx_record_decl->isCompleteDefinition()) { | |||
2694 | cxx_record_decl->field_begin(); | |||
2695 | cxx_record_decl->setHasLoadedFieldsFromExternalStorage(true); | |||
2696 | } | |||
2697 | } | |||
2698 | } | |||
2699 | } | |||
2700 | const clang::TagType *tag_type = | |||
2701 | llvm::cast<clang::TagType>(qual_type.getTypePtr()); | |||
2702 | return !tag_type->isIncompleteType(); | |||
2703 | } break; | |||
2704 | ||||
2705 | case clang::Type::Enum: { | |||
2706 | const clang::TagType *tag_type = | |||
2707 | llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr()); | |||
2708 | if (tag_type) { | |||
2709 | clang::TagDecl *tag_decl = tag_type->getDecl(); | |||
2710 | if (tag_decl) { | |||
2711 | if (tag_decl->getDefinition()) | |||
2712 | return true; | |||
2713 | ||||
2714 | if (!allow_completion) | |||
2715 | return false; | |||
2716 | ||||
2717 | if (tag_decl->hasExternalLexicalStorage()) { | |||
2718 | if (ast) { | |||
2719 | clang::ExternalASTSource *external_ast_source = | |||
2720 | ast->getExternalSource(); | |||
2721 | if (external_ast_source) { | |||
2722 | external_ast_source->CompleteType(tag_decl); | |||
2723 | return !tag_type->isIncompleteType(); | |||
2724 | } | |||
2725 | } | |||
2726 | } | |||
2727 | return false; | |||
2728 | } | |||
2729 | } | |||
2730 | ||||
2731 | } break; | |||
2732 | case clang::Type::ObjCObject: | |||
2733 | case clang::Type::ObjCInterface: { | |||
2734 | const clang::ObjCObjectType *objc_class_type = | |||
2735 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type); | |||
2736 | if (objc_class_type) { | |||
2737 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
2738 | objc_class_type->getInterface(); | |||
2739 | // We currently can't complete objective C types through the newly added | |||
2740 | // ASTContext because it only supports TagDecl objects right now... | |||
2741 | if (class_interface_decl) { | |||
2742 | if (class_interface_decl->getDefinition()) | |||
2743 | return true; | |||
2744 | ||||
2745 | if (!allow_completion) | |||
2746 | return false; | |||
2747 | ||||
2748 | if (class_interface_decl->hasExternalLexicalStorage()) { | |||
2749 | if (ast) { | |||
2750 | clang::ExternalASTSource *external_ast_source = | |||
2751 | ast->getExternalSource(); | |||
2752 | if (external_ast_source) { | |||
2753 | external_ast_source->CompleteType(class_interface_decl); | |||
2754 | return !objc_class_type->isIncompleteType(); | |||
2755 | } | |||
2756 | } | |||
2757 | } | |||
2758 | return false; | |||
2759 | } | |||
2760 | } | |||
2761 | } break; | |||
2762 | ||||
2763 | case clang::Type::Attributed: | |||
2764 | return GetCompleteQualType( | |||
2765 | ast, llvm::cast<clang::AttributedType>(qual_type)->getModifiedType(), | |||
2766 | allow_completion); | |||
2767 | ||||
2768 | default: | |||
2769 | break; | |||
2770 | } | |||
2771 | ||||
2772 | return true; | |||
2773 | } | |||
2774 | ||||
2775 | static clang::ObjCIvarDecl::AccessControl | |||
2776 | ConvertAccessTypeToObjCIvarAccessControl(AccessType access) { | |||
2777 | switch (access) { | |||
2778 | case eAccessNone: | |||
2779 | return clang::ObjCIvarDecl::None; | |||
2780 | case eAccessPublic: | |||
2781 | return clang::ObjCIvarDecl::Public; | |||
2782 | case eAccessPrivate: | |||
2783 | return clang::ObjCIvarDecl::Private; | |||
2784 | case eAccessProtected: | |||
2785 | return clang::ObjCIvarDecl::Protected; | |||
2786 | case eAccessPackage: | |||
2787 | return clang::ObjCIvarDecl::Package; | |||
2788 | } | |||
2789 | return clang::ObjCIvarDecl::None; | |||
2790 | } | |||
2791 | ||||
2792 | // Tests | |||
2793 | ||||
2794 | #ifndef NDEBUG | |||
2795 | bool TypeSystemClang::Verify(lldb::opaque_compiler_type_t type) { | |||
2796 | return !type || llvm::isa<clang::Type>(GetQualType(type).getTypePtr()); | |||
2797 | } | |||
2798 | #endif | |||
2799 | ||||
2800 | bool TypeSystemClang::IsAggregateType(lldb::opaque_compiler_type_t type) { | |||
2801 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); | |||
2802 | ||||
2803 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
2804 | switch (type_class) { | |||
2805 | case clang::Type::IncompleteArray: | |||
2806 | case clang::Type::VariableArray: | |||
2807 | case clang::Type::ConstantArray: | |||
2808 | case clang::Type::ExtVector: | |||
2809 | case clang::Type::Vector: | |||
2810 | case clang::Type::Record: | |||
2811 | case clang::Type::ObjCObject: | |||
2812 | case clang::Type::ObjCInterface: | |||
2813 | return true; | |||
2814 | default: | |||
2815 | break; | |||
2816 | } | |||
2817 | // The clang type does have a value | |||
2818 | return false; | |||
2819 | } | |||
2820 | ||||
2821 | bool TypeSystemClang::IsAnonymousType(lldb::opaque_compiler_type_t type) { | |||
2822 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); | |||
2823 | ||||
2824 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
2825 | switch (type_class) { | |||
2826 | case clang::Type::Record: { | |||
2827 | if (const clang::RecordType *record_type = | |||
2828 | llvm::dyn_cast_or_null<clang::RecordType>( | |||
2829 | qual_type.getTypePtrOrNull())) { | |||
2830 | if (const clang::RecordDecl *record_decl = record_type->getDecl()) { | |||
2831 | return record_decl->isAnonymousStructOrUnion(); | |||
2832 | } | |||
2833 | } | |||
2834 | break; | |||
2835 | } | |||
2836 | default: | |||
2837 | break; | |||
2838 | } | |||
2839 | // The clang type does have a value | |||
2840 | return false; | |||
2841 | } | |||
2842 | ||||
2843 | bool TypeSystemClang::IsArrayType(lldb::opaque_compiler_type_t type, | |||
2844 | CompilerType *element_type_ptr, | |||
2845 | uint64_t *size, bool *is_incomplete) { | |||
2846 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); | |||
2847 | ||||
2848 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
2849 | switch (type_class) { | |||
2850 | default: | |||
2851 | break; | |||
2852 | ||||
2853 | case clang::Type::ConstantArray: | |||
2854 | if (element_type_ptr) | |||
2855 | element_type_ptr->SetCompilerType( | |||
2856 | this, llvm::cast<clang::ConstantArrayType>(qual_type) | |||
2857 | ->getElementType() | |||
2858 | .getAsOpaquePtr()); | |||
2859 | if (size) | |||
2860 | *size = llvm::cast<clang::ConstantArrayType>(qual_type) | |||
2861 | ->getSize() | |||
2862 | .getLimitedValue(ULLONG_MAX(9223372036854775807LL*2ULL+1ULL)); | |||
2863 | if (is_incomplete) | |||
2864 | *is_incomplete = false; | |||
2865 | return true; | |||
2866 | ||||
2867 | case clang::Type::IncompleteArray: | |||
2868 | if (element_type_ptr) | |||
2869 | element_type_ptr->SetCompilerType( | |||
2870 | this, llvm::cast<clang::IncompleteArrayType>(qual_type) | |||
2871 | ->getElementType() | |||
2872 | .getAsOpaquePtr()); | |||
2873 | if (size) | |||
2874 | *size = 0; | |||
2875 | if (is_incomplete) | |||
2876 | *is_incomplete = true; | |||
2877 | return true; | |||
2878 | ||||
2879 | case clang::Type::VariableArray: | |||
2880 | if (element_type_ptr) | |||
2881 | element_type_ptr->SetCompilerType( | |||
2882 | this, llvm::cast<clang::VariableArrayType>(qual_type) | |||
2883 | ->getElementType() | |||
2884 | .getAsOpaquePtr()); | |||
2885 | if (size) | |||
2886 | *size = 0; | |||
2887 | if (is_incomplete) | |||
2888 | *is_incomplete = false; | |||
2889 | return true; | |||
2890 | ||||
2891 | case clang::Type::DependentSizedArray: | |||
2892 | if (element_type_ptr) | |||
2893 | element_type_ptr->SetCompilerType( | |||
2894 | this, llvm::cast<clang::DependentSizedArrayType>(qual_type) | |||
2895 | ->getElementType() | |||
2896 | .getAsOpaquePtr()); | |||
2897 | if (size) | |||
2898 | *size = 0; | |||
2899 | if (is_incomplete) | |||
2900 | *is_incomplete = false; | |||
2901 | return true; | |||
2902 | } | |||
2903 | if (element_type_ptr) | |||
2904 | element_type_ptr->Clear(); | |||
2905 | if (size) | |||
2906 | *size = 0; | |||
2907 | if (is_incomplete) | |||
2908 | *is_incomplete = false; | |||
2909 | return false; | |||
2910 | } | |||
2911 | ||||
2912 | bool TypeSystemClang::IsVectorType(lldb::opaque_compiler_type_t type, | |||
2913 | CompilerType *element_type, uint64_t *size) { | |||
2914 | clang::QualType qual_type(GetCanonicalQualType(type)); | |||
2915 | ||||
2916 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
2917 | switch (type_class) { | |||
2918 | case clang::Type::Vector: { | |||
2919 | const clang::VectorType *vector_type = | |||
2920 | qual_type->getAs<clang::VectorType>(); | |||
2921 | if (vector_type) { | |||
2922 | if (size) | |||
2923 | *size = vector_type->getNumElements(); | |||
2924 | if (element_type) | |||
2925 | *element_type = GetType(vector_type->getElementType()); | |||
2926 | } | |||
2927 | return true; | |||
2928 | } break; | |||
2929 | case clang::Type::ExtVector: { | |||
2930 | const clang::ExtVectorType *ext_vector_type = | |||
2931 | qual_type->getAs<clang::ExtVectorType>(); | |||
2932 | if (ext_vector_type) { | |||
2933 | if (size) | |||
2934 | *size = ext_vector_type->getNumElements(); | |||
2935 | if (element_type) | |||
2936 | *element_type = | |||
2937 | CompilerType(this, ext_vector_type->getElementType().getAsOpaquePtr()); | |||
2938 | } | |||
2939 | return true; | |||
2940 | } | |||
2941 | default: | |||
2942 | break; | |||
2943 | } | |||
2944 | return false; | |||
2945 | } | |||
2946 | ||||
2947 | bool TypeSystemClang::IsRuntimeGeneratedType( | |||
2948 | lldb::opaque_compiler_type_t type) { | |||
2949 | clang::DeclContext *decl_ctx = GetDeclContextForType(GetQualType(type)); | |||
2950 | if (!decl_ctx) | |||
2951 | return false; | |||
2952 | ||||
2953 | if (!llvm::isa<clang::ObjCInterfaceDecl>(decl_ctx)) | |||
2954 | return false; | |||
2955 | ||||
2956 | clang::ObjCInterfaceDecl *result_iface_decl = | |||
2957 | llvm::dyn_cast<clang::ObjCInterfaceDecl>(decl_ctx); | |||
2958 | ||||
2959 | ClangASTMetadata *ast_metadata = GetMetadata(result_iface_decl); | |||
2960 | if (!ast_metadata) | |||
2961 | return false; | |||
2962 | return (ast_metadata->GetISAPtr() != 0); | |||
2963 | } | |||
2964 | ||||
2965 | bool TypeSystemClang::IsCharType(lldb::opaque_compiler_type_t type) { | |||
2966 | return GetQualType(type).getUnqualifiedType()->isCharType(); | |||
2967 | } | |||
2968 | ||||
2969 | bool TypeSystemClang::IsCompleteType(lldb::opaque_compiler_type_t type) { | |||
2970 | // If the type hasn't been lazily completed yet, complete it now so that we | |||
2971 | // can give the caller an accurate answer whether the type actually has a | |||
2972 | // definition. Without completing the type now we would just tell the user | |||
2973 | // the current (internal) completeness state of the type and most users don't | |||
2974 | // care (or even know) about this behavior. | |||
2975 | const bool allow_completion = true; | |||
2976 | return GetCompleteQualType(&getASTContext(), GetQualType(type), | |||
2977 | allow_completion); | |||
2978 | } | |||
2979 | ||||
2980 | bool TypeSystemClang::IsConst(lldb::opaque_compiler_type_t type) { | |||
2981 | return GetQualType(type).isConstQualified(); | |||
2982 | } | |||
2983 | ||||
2984 | bool TypeSystemClang::IsCStringType(lldb::opaque_compiler_type_t type, | |||
2985 | uint32_t &length) { | |||
2986 | CompilerType pointee_or_element_clang_type; | |||
2987 | length = 0; | |||
2988 | Flags type_flags(GetTypeInfo(type, &pointee_or_element_clang_type)); | |||
2989 | ||||
2990 | if (!pointee_or_element_clang_type.IsValid()) | |||
2991 | return false; | |||
2992 | ||||
2993 | if (type_flags.AnySet(eTypeIsArray | eTypeIsPointer)) { | |||
2994 | if (pointee_or_element_clang_type.IsCharType()) { | |||
2995 | if (type_flags.Test(eTypeIsArray)) { | |||
2996 | // We know the size of the array and it could be a C string since it is | |||
2997 | // an array of characters | |||
2998 | length = llvm::cast<clang::ConstantArrayType>( | |||
2999 | GetCanonicalQualType(type).getTypePtr()) | |||
3000 | ->getSize() | |||
3001 | .getLimitedValue(); | |||
3002 | } | |||
3003 | return true; | |||
3004 | } | |||
3005 | } | |||
3006 | return false; | |||
3007 | } | |||
3008 | ||||
3009 | bool TypeSystemClang::IsFunctionType(lldb::opaque_compiler_type_t type) { | |||
3010 | if (type) { | |||
3011 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
3012 | ||||
3013 | if (qual_type->isFunctionType()) { | |||
3014 | return true; | |||
3015 | } | |||
3016 | ||||
3017 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
3018 | switch (type_class) { | |||
3019 | default: | |||
3020 | break; | |||
3021 | case clang::Type::LValueReference: | |||
3022 | case clang::Type::RValueReference: { | |||
3023 | const clang::ReferenceType *reference_type = | |||
3024 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); | |||
3025 | if (reference_type) | |||
3026 | return IsFunctionType( | |||
3027 | reference_type->getPointeeType().getAsOpaquePtr()); | |||
3028 | } break; | |||
3029 | } | |||
3030 | } | |||
3031 | return false; | |||
3032 | } | |||
3033 | ||||
3034 | // Used to detect "Homogeneous Floating-point Aggregates" | |||
3035 | uint32_t | |||
3036 | TypeSystemClang::IsHomogeneousAggregate(lldb::opaque_compiler_type_t type, | |||
3037 | CompilerType *base_type_ptr) { | |||
3038 | if (!type) | |||
3039 | return 0; | |||
3040 | ||||
3041 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); | |||
3042 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
3043 | switch (type_class) { | |||
3044 | case clang::Type::Record: | |||
3045 | if (GetCompleteType(type)) { | |||
3046 | const clang::CXXRecordDecl *cxx_record_decl = | |||
3047 | qual_type->getAsCXXRecordDecl(); | |||
3048 | if (cxx_record_decl) { | |||
3049 | if (cxx_record_decl->getNumBases() || cxx_record_decl->isDynamicClass()) | |||
3050 | return 0; | |||
3051 | } | |||
3052 | const clang::RecordType *record_type = | |||
3053 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); | |||
3054 | if (record_type) { | |||
3055 | const clang::RecordDecl *record_decl = record_type->getDecl(); | |||
3056 | if (record_decl) { | |||
3057 | // We are looking for a structure that contains only floating point | |||
3058 | // types | |||
3059 | clang::RecordDecl::field_iterator field_pos, | |||
3060 | field_end = record_decl->field_end(); | |||
3061 | uint32_t num_fields = 0; | |||
3062 | bool is_hva = false; | |||
3063 | bool is_hfa = false; | |||
3064 | clang::QualType base_qual_type; | |||
3065 | uint64_t base_bitwidth = 0; | |||
3066 | for (field_pos = record_decl->field_begin(); field_pos != field_end; | |||
3067 | ++field_pos) { | |||
3068 | clang::QualType field_qual_type = field_pos->getType(); | |||
3069 | uint64_t field_bitwidth = getASTContext().getTypeSize(qual_type); | |||
3070 | if (field_qual_type->isFloatingType()) { | |||
3071 | if (field_qual_type->isComplexType()) | |||
3072 | return 0; | |||
3073 | else { | |||
3074 | if (num_fields == 0) | |||
3075 | base_qual_type = field_qual_type; | |||
3076 | else { | |||
3077 | if (is_hva) | |||
3078 | return 0; | |||
3079 | is_hfa = true; | |||
3080 | if (field_qual_type.getTypePtr() != | |||
3081 | base_qual_type.getTypePtr()) | |||
3082 | return 0; | |||
3083 | } | |||
3084 | } | |||
3085 | } else if (field_qual_type->isVectorType() || | |||
3086 | field_qual_type->isExtVectorType()) { | |||
3087 | if (num_fields == 0) { | |||
3088 | base_qual_type = field_qual_type; | |||
3089 | base_bitwidth = field_bitwidth; | |||
3090 | } else { | |||
3091 | if (is_hfa) | |||
3092 | return 0; | |||
3093 | is_hva = true; | |||
3094 | if (base_bitwidth != field_bitwidth) | |||
3095 | return 0; | |||
3096 | if (field_qual_type.getTypePtr() != base_qual_type.getTypePtr()) | |||
3097 | return 0; | |||
3098 | } | |||
3099 | } else | |||
3100 | return 0; | |||
3101 | ++num_fields; | |||
3102 | } | |||
3103 | if (base_type_ptr) | |||
3104 | *base_type_ptr = CompilerType(this, base_qual_type.getAsOpaquePtr()); | |||
3105 | return num_fields; | |||
3106 | } | |||
3107 | } | |||
3108 | } | |||
3109 | break; | |||
3110 | ||||
3111 | default: | |||
3112 | break; | |||
3113 | } | |||
3114 | return 0; | |||
3115 | } | |||
3116 | ||||
3117 | size_t TypeSystemClang::GetNumberOfFunctionArguments( | |||
3118 | lldb::opaque_compiler_type_t type) { | |||
3119 | if (type) { | |||
3120 | clang::QualType qual_type(GetCanonicalQualType(type)); | |||
3121 | const clang::FunctionProtoType *func = | |||
3122 | llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); | |||
3123 | if (func) | |||
3124 | return func->getNumParams(); | |||
3125 | } | |||
3126 | return 0; | |||
3127 | } | |||
3128 | ||||
3129 | CompilerType | |||
3130 | TypeSystemClang::GetFunctionArgumentAtIndex(lldb::opaque_compiler_type_t type, | |||
3131 | const size_t index) { | |||
3132 | if (type) { | |||
3133 | clang::QualType qual_type(GetQualType(type)); | |||
3134 | const clang::FunctionProtoType *func = | |||
3135 | llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); | |||
3136 | if (func) { | |||
3137 | if (index < func->getNumParams()) | |||
3138 | return CompilerType(this, func->getParamType(index).getAsOpaquePtr()); | |||
3139 | } | |||
3140 | } | |||
3141 | return CompilerType(); | |||
3142 | } | |||
3143 | ||||
3144 | bool TypeSystemClang::IsFunctionPointerType(lldb::opaque_compiler_type_t type) { | |||
3145 | if (type) { | |||
3146 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
3147 | ||||
3148 | if (qual_type->isFunctionPointerType()) | |||
3149 | return true; | |||
3150 | ||||
3151 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
3152 | switch (type_class) { | |||
3153 | default: | |||
3154 | break; | |||
3155 | ||||
3156 | case clang::Type::LValueReference: | |||
3157 | case clang::Type::RValueReference: { | |||
3158 | const clang::ReferenceType *reference_type = | |||
3159 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); | |||
3160 | if (reference_type) | |||
3161 | return IsFunctionPointerType( | |||
3162 | reference_type->getPointeeType().getAsOpaquePtr()); | |||
3163 | } break; | |||
3164 | } | |||
3165 | } | |||
3166 | return false; | |||
3167 | } | |||
3168 | ||||
3169 | bool TypeSystemClang::IsBlockPointerType( | |||
3170 | lldb::opaque_compiler_type_t type, | |||
3171 | CompilerType *function_pointer_type_ptr) { | |||
3172 | if (type) { | |||
3173 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
3174 | ||||
3175 | if (qual_type->isBlockPointerType()) { | |||
3176 | if (function_pointer_type_ptr) { | |||
3177 | const clang::BlockPointerType *block_pointer_type = | |||
3178 | qual_type->getAs<clang::BlockPointerType>(); | |||
3179 | QualType pointee_type = block_pointer_type->getPointeeType(); | |||
3180 | QualType function_pointer_type = m_ast_up->getPointerType(pointee_type); | |||
3181 | *function_pointer_type_ptr = | |||
3182 | CompilerType(this, function_pointer_type.getAsOpaquePtr()); | |||
3183 | } | |||
3184 | return true; | |||
3185 | } | |||
3186 | ||||
3187 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
3188 | switch (type_class) { | |||
3189 | default: | |||
3190 | break; | |||
3191 | ||||
3192 | case clang::Type::LValueReference: | |||
3193 | case clang::Type::RValueReference: { | |||
3194 | const clang::ReferenceType *reference_type = | |||
3195 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); | |||
3196 | if (reference_type) | |||
3197 | return IsBlockPointerType( | |||
3198 | reference_type->getPointeeType().getAsOpaquePtr(), | |||
3199 | function_pointer_type_ptr); | |||
3200 | } break; | |||
3201 | } | |||
3202 | } | |||
3203 | return false; | |||
3204 | } | |||
3205 | ||||
3206 | bool TypeSystemClang::IsIntegerType(lldb::opaque_compiler_type_t type, | |||
3207 | bool &is_signed) { | |||
3208 | if (!type) | |||
3209 | return false; | |||
3210 | ||||
3211 | clang::QualType qual_type(GetCanonicalQualType(type)); | |||
3212 | const clang::BuiltinType *builtin_type = | |||
3213 | llvm::dyn_cast<clang::BuiltinType>(qual_type->getCanonicalTypeInternal()); | |||
3214 | ||||
3215 | if (builtin_type) { | |||
3216 | if (builtin_type->isInteger()) { | |||
3217 | is_signed = builtin_type->isSignedInteger(); | |||
3218 | return true; | |||
3219 | } | |||
3220 | } | |||
3221 | ||||
3222 | return false; | |||
3223 | } | |||
3224 | ||||
3225 | bool TypeSystemClang::IsEnumerationType(lldb::opaque_compiler_type_t type, | |||
3226 | bool &is_signed) { | |||
3227 | if (type) { | |||
3228 | const clang::EnumType *enum_type = llvm::dyn_cast<clang::EnumType>( | |||
3229 | GetCanonicalQualType(type)->getCanonicalTypeInternal()); | |||
3230 | ||||
3231 | if (enum_type) { | |||
3232 | IsIntegerType(enum_type->getDecl()->getIntegerType().getAsOpaquePtr(), | |||
3233 | is_signed); | |||
3234 | return true; | |||
3235 | } | |||
3236 | } | |||
3237 | ||||
3238 | return false; | |||
3239 | } | |||
3240 | ||||
3241 | bool TypeSystemClang::IsScopedEnumerationType( | |||
3242 | lldb::opaque_compiler_type_t type) { | |||
3243 | if (type) { | |||
3244 | const clang::EnumType *enum_type = llvm::dyn_cast<clang::EnumType>( | |||
3245 | GetCanonicalQualType(type)->getCanonicalTypeInternal()); | |||
3246 | ||||
3247 | if (enum_type) { | |||
3248 | return enum_type->isScopedEnumeralType(); | |||
3249 | } | |||
3250 | } | |||
3251 | ||||
3252 | return false; | |||
3253 | } | |||
3254 | ||||
3255 | bool TypeSystemClang::IsPointerType(lldb::opaque_compiler_type_t type, | |||
3256 | CompilerType *pointee_type) { | |||
3257 | if (type) { | |||
3258 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
3259 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
3260 | switch (type_class) { | |||
3261 | case clang::Type::Builtin: | |||
3262 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { | |||
3263 | default: | |||
3264 | break; | |||
3265 | case clang::BuiltinType::ObjCId: | |||
3266 | case clang::BuiltinType::ObjCClass: | |||
3267 | return true; | |||
3268 | } | |||
3269 | return false; | |||
3270 | case clang::Type::ObjCObjectPointer: | |||
3271 | if (pointee_type) | |||
3272 | pointee_type->SetCompilerType( | |||
3273 | this, llvm::cast<clang::ObjCObjectPointerType>(qual_type) | |||
3274 | ->getPointeeType() | |||
3275 | .getAsOpaquePtr()); | |||
3276 | return true; | |||
3277 | case clang::Type::BlockPointer: | |||
3278 | if (pointee_type) | |||
3279 | pointee_type->SetCompilerType( | |||
3280 | this, llvm::cast<clang::BlockPointerType>(qual_type) | |||
3281 | ->getPointeeType() | |||
3282 | .getAsOpaquePtr()); | |||
3283 | return true; | |||
3284 | case clang::Type::Pointer: | |||
3285 | if (pointee_type) | |||
3286 | pointee_type->SetCompilerType(this, | |||
3287 | llvm::cast<clang::PointerType>(qual_type) | |||
3288 | ->getPointeeType() | |||
3289 | .getAsOpaquePtr()); | |||
3290 | return true; | |||
3291 | case clang::Type::MemberPointer: | |||
3292 | if (pointee_type) | |||
3293 | pointee_type->SetCompilerType( | |||
3294 | this, llvm::cast<clang::MemberPointerType>(qual_type) | |||
3295 | ->getPointeeType() | |||
3296 | .getAsOpaquePtr()); | |||
3297 | return true; | |||
3298 | default: | |||
3299 | break; | |||
3300 | } | |||
3301 | } | |||
3302 | if (pointee_type) | |||
3303 | pointee_type->Clear(); | |||
3304 | return false; | |||
3305 | } | |||
3306 | ||||
3307 | bool TypeSystemClang::IsPointerOrReferenceType( | |||
3308 | lldb::opaque_compiler_type_t type, CompilerType *pointee_type) { | |||
3309 | if (type) { | |||
3310 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
3311 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
3312 | switch (type_class) { | |||
3313 | case clang::Type::Builtin: | |||
3314 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { | |||
3315 | default: | |||
3316 | break; | |||
3317 | case clang::BuiltinType::ObjCId: | |||
3318 | case clang::BuiltinType::ObjCClass: | |||
3319 | return true; | |||
3320 | } | |||
3321 | return false; | |||
3322 | case clang::Type::ObjCObjectPointer: | |||
3323 | if (pointee_type) | |||
3324 | pointee_type->SetCompilerType( | |||
3325 | this, llvm::cast<clang::ObjCObjectPointerType>(qual_type) | |||
3326 | ->getPointeeType().getAsOpaquePtr()); | |||
3327 | return true; | |||
3328 | case clang::Type::BlockPointer: | |||
3329 | if (pointee_type) | |||
3330 | pointee_type->SetCompilerType( | |||
3331 | this, llvm::cast<clang::BlockPointerType>(qual_type) | |||
3332 | ->getPointeeType() | |||
3333 | .getAsOpaquePtr()); | |||
3334 | return true; | |||
3335 | case clang::Type::Pointer: | |||
3336 | if (pointee_type) | |||
3337 | pointee_type->SetCompilerType(this, | |||
3338 | llvm::cast<clang::PointerType>(qual_type) | |||
3339 | ->getPointeeType() | |||
3340 | .getAsOpaquePtr()); | |||
3341 | return true; | |||
3342 | case clang::Type::MemberPointer: | |||
3343 | if (pointee_type) | |||
3344 | pointee_type->SetCompilerType( | |||
3345 | this, llvm::cast<clang::MemberPointerType>(qual_type) | |||
3346 | ->getPointeeType() | |||
3347 | .getAsOpaquePtr()); | |||
3348 | return true; | |||
3349 | case clang::Type::LValueReference: | |||
3350 | if (pointee_type) | |||
3351 | pointee_type->SetCompilerType( | |||
3352 | this, llvm::cast<clang::LValueReferenceType>(qual_type) | |||
3353 | ->desugar() | |||
3354 | .getAsOpaquePtr()); | |||
3355 | return true; | |||
3356 | case clang::Type::RValueReference: | |||
3357 | if (pointee_type) | |||
3358 | pointee_type->SetCompilerType( | |||
3359 | this, llvm::cast<clang::RValueReferenceType>(qual_type) | |||
3360 | ->desugar() | |||
3361 | .getAsOpaquePtr()); | |||
3362 | return true; | |||
3363 | default: | |||
3364 | break; | |||
3365 | } | |||
3366 | } | |||
3367 | if (pointee_type) | |||
3368 | pointee_type->Clear(); | |||
3369 | return false; | |||
3370 | } | |||
3371 | ||||
3372 | bool TypeSystemClang::IsReferenceType(lldb::opaque_compiler_type_t type, | |||
3373 | CompilerType *pointee_type, | |||
3374 | bool *is_rvalue) { | |||
3375 | if (type) { | |||
3376 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
3377 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
3378 | ||||
3379 | switch (type_class) { | |||
3380 | case clang::Type::LValueReference: | |||
3381 | if (pointee_type) | |||
3382 | pointee_type->SetCompilerType( | |||
3383 | this, llvm::cast<clang::LValueReferenceType>(qual_type) | |||
3384 | ->desugar() | |||
3385 | .getAsOpaquePtr()); | |||
3386 | if (is_rvalue) | |||
3387 | *is_rvalue = false; | |||
3388 | return true; | |||
3389 | case clang::Type::RValueReference: | |||
3390 | if (pointee_type) | |||
3391 | pointee_type->SetCompilerType( | |||
3392 | this, llvm::cast<clang::RValueReferenceType>(qual_type) | |||
3393 | ->desugar() | |||
3394 | .getAsOpaquePtr()); | |||
3395 | if (is_rvalue) | |||
3396 | *is_rvalue = true; | |||
3397 | return true; | |||
3398 | ||||
3399 | default: | |||
3400 | break; | |||
3401 | } | |||
3402 | } | |||
3403 | if (pointee_type) | |||
3404 | pointee_type->Clear(); | |||
3405 | return false; | |||
3406 | } | |||
3407 | ||||
3408 | bool TypeSystemClang::IsFloatingPointType(lldb::opaque_compiler_type_t type, | |||
3409 | uint32_t &count, bool &is_complex) { | |||
3410 | if (type) { | |||
3411 | clang::QualType qual_type(GetCanonicalQualType(type)); | |||
3412 | ||||
3413 | if (const clang::BuiltinType *BT = llvm::dyn_cast<clang::BuiltinType>( | |||
3414 | qual_type->getCanonicalTypeInternal())) { | |||
3415 | clang::BuiltinType::Kind kind = BT->getKind(); | |||
3416 | if (kind >= clang::BuiltinType::Float && | |||
3417 | kind <= clang::BuiltinType::LongDouble) { | |||
3418 | count = 1; | |||
3419 | is_complex = false; | |||
3420 | return true; | |||
3421 | } | |||
3422 | } else if (const clang::ComplexType *CT = | |||
3423 | llvm::dyn_cast<clang::ComplexType>( | |||
3424 | qual_type->getCanonicalTypeInternal())) { | |||
3425 | if (IsFloatingPointType(CT->getElementType().getAsOpaquePtr(), count, | |||
3426 | is_complex)) { | |||
3427 | count = 2; | |||
3428 | is_complex = true; | |||
3429 | return true; | |||
3430 | } | |||
3431 | } else if (const clang::VectorType *VT = llvm::dyn_cast<clang::VectorType>( | |||
3432 | qual_type->getCanonicalTypeInternal())) { | |||
3433 | if (IsFloatingPointType(VT->getElementType().getAsOpaquePtr(), count, | |||
3434 | is_complex)) { | |||
3435 | count = VT->getNumElements(); | |||
3436 | is_complex = false; | |||
3437 | return true; | |||
3438 | } | |||
3439 | } | |||
3440 | } | |||
3441 | count = 0; | |||
3442 | is_complex = false; | |||
3443 | return false; | |||
3444 | } | |||
3445 | ||||
3446 | bool TypeSystemClang::IsDefined(lldb::opaque_compiler_type_t type) { | |||
3447 | if (!type) | |||
3448 | return false; | |||
3449 | ||||
3450 | clang::QualType qual_type(GetQualType(type)); | |||
3451 | const clang::TagType *tag_type = | |||
3452 | llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr()); | |||
3453 | if (tag_type) { | |||
3454 | clang::TagDecl *tag_decl = tag_type->getDecl(); | |||
3455 | if (tag_decl) | |||
3456 | return tag_decl->isCompleteDefinition(); | |||
3457 | return false; | |||
3458 | } else { | |||
3459 | const clang::ObjCObjectType *objc_class_type = | |||
3460 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type); | |||
3461 | if (objc_class_type) { | |||
3462 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
3463 | objc_class_type->getInterface(); | |||
3464 | if (class_interface_decl) | |||
3465 | return class_interface_decl->getDefinition() != nullptr; | |||
3466 | return false; | |||
3467 | } | |||
3468 | } | |||
3469 | return true; | |||
3470 | } | |||
3471 | ||||
3472 | bool TypeSystemClang::IsObjCClassType(const CompilerType &type) { | |||
3473 | if (ClangUtil::IsClangType(type)) { | |||
3474 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); | |||
3475 | ||||
3476 | const clang::ObjCObjectPointerType *obj_pointer_type = | |||
3477 | llvm::dyn_cast<clang::ObjCObjectPointerType>(qual_type); | |||
3478 | ||||
3479 | if (obj_pointer_type) | |||
3480 | return obj_pointer_type->isObjCClassType(); | |||
3481 | } | |||
3482 | return false; | |||
3483 | } | |||
3484 | ||||
3485 | bool TypeSystemClang::IsObjCObjectOrInterfaceType(const CompilerType &type) { | |||
3486 | if (ClangUtil::IsClangType(type)) | |||
3487 | return ClangUtil::GetCanonicalQualType(type)->isObjCObjectOrInterfaceType(); | |||
3488 | return false; | |||
3489 | } | |||
3490 | ||||
3491 | bool TypeSystemClang::IsClassType(lldb::opaque_compiler_type_t type) { | |||
3492 | if (!type) | |||
3493 | return false; | |||
3494 | clang::QualType qual_type(GetCanonicalQualType(type)); | |||
3495 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
3496 | return (type_class == clang::Type::Record); | |||
3497 | } | |||
3498 | ||||
3499 | bool TypeSystemClang::IsEnumType(lldb::opaque_compiler_type_t type) { | |||
3500 | if (!type) | |||
3501 | return false; | |||
3502 | clang::QualType qual_type(GetCanonicalQualType(type)); | |||
3503 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
3504 | return (type_class == clang::Type::Enum); | |||
3505 | } | |||
3506 | ||||
3507 | bool TypeSystemClang::IsPolymorphicClass(lldb::opaque_compiler_type_t type) { | |||
3508 | if (type) { | |||
3509 | clang::QualType qual_type(GetCanonicalQualType(type)); | |||
3510 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
3511 | switch (type_class) { | |||
3512 | case clang::Type::Record: | |||
3513 | if (GetCompleteType(type)) { | |||
3514 | const clang::RecordType *record_type = | |||
3515 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); | |||
3516 | const clang::RecordDecl *record_decl = record_type->getDecl(); | |||
3517 | if (record_decl) { | |||
3518 | const clang::CXXRecordDecl *cxx_record_decl = | |||
3519 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); | |||
3520 | if (cxx_record_decl) | |||
3521 | return cxx_record_decl->isPolymorphic(); | |||
3522 | } | |||
3523 | } | |||
3524 | break; | |||
3525 | ||||
3526 | default: | |||
3527 | break; | |||
3528 | } | |||
3529 | } | |||
3530 | return false; | |||
3531 | } | |||
3532 | ||||
3533 | bool TypeSystemClang::IsPossibleDynamicType(lldb::opaque_compiler_type_t type, | |||
3534 | CompilerType *dynamic_pointee_type, | |||
3535 | bool check_cplusplus, | |||
3536 | bool check_objc) { | |||
3537 | clang::QualType pointee_qual_type; | |||
3538 | if (type) { | |||
3539 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
3540 | bool success = false; | |||
3541 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
3542 | switch (type_class) { | |||
3543 | case clang::Type::Builtin: | |||
3544 | if (check_objc && | |||
3545 | llvm::cast<clang::BuiltinType>(qual_type)->getKind() == | |||
3546 | clang::BuiltinType::ObjCId) { | |||
3547 | if (dynamic_pointee_type) | |||
3548 | dynamic_pointee_type->SetCompilerType(this, type); | |||
3549 | return true; | |||
3550 | } | |||
3551 | break; | |||
3552 | ||||
3553 | case clang::Type::ObjCObjectPointer: | |||
3554 | if (check_objc) { | |||
3555 | if (const auto *objc_pointee_type = | |||
3556 | qual_type->getPointeeType().getTypePtrOrNull()) { | |||
3557 | if (const auto *objc_object_type = | |||
3558 | llvm::dyn_cast_or_null<clang::ObjCObjectType>( | |||
3559 | objc_pointee_type)) { | |||
3560 | if (objc_object_type->isObjCClass()) | |||
3561 | return false; | |||
3562 | } | |||
3563 | } | |||
3564 | if (dynamic_pointee_type) | |||
3565 | dynamic_pointee_type->SetCompilerType( | |||
3566 | this, llvm::cast<clang::ObjCObjectPointerType>(qual_type) | |||
3567 | ->getPointeeType() | |||
3568 | .getAsOpaquePtr()); | |||
3569 | return true; | |||
3570 | } | |||
3571 | break; | |||
3572 | ||||
3573 | case clang::Type::Pointer: | |||
3574 | pointee_qual_type = | |||
3575 | llvm::cast<clang::PointerType>(qual_type)->getPointeeType(); | |||
3576 | success = true; | |||
3577 | break; | |||
3578 | ||||
3579 | case clang::Type::LValueReference: | |||
3580 | case clang::Type::RValueReference: | |||
3581 | pointee_qual_type = | |||
3582 | llvm::cast<clang::ReferenceType>(qual_type)->getPointeeType(); | |||
3583 | success = true; | |||
3584 | break; | |||
3585 | ||||
3586 | default: | |||
3587 | break; | |||
3588 | } | |||
3589 | ||||
3590 | if (success) { | |||
3591 | // Check to make sure what we are pointing too is a possible dynamic C++ | |||
3592 | // type We currently accept any "void *" (in case we have a class that | |||
3593 | // has been watered down to an opaque pointer) and virtual C++ classes. | |||
3594 | const clang::Type::TypeClass pointee_type_class = | |||
3595 | pointee_qual_type.getCanonicalType()->getTypeClass(); | |||
3596 | switch (pointee_type_class) { | |||
3597 | case clang::Type::Builtin: | |||
3598 | switch (llvm::cast<clang::BuiltinType>(pointee_qual_type)->getKind()) { | |||
3599 | case clang::BuiltinType::UnknownAny: | |||
3600 | case clang::BuiltinType::Void: | |||
3601 | if (dynamic_pointee_type) | |||
3602 | dynamic_pointee_type->SetCompilerType( | |||
3603 | this, pointee_qual_type.getAsOpaquePtr()); | |||
3604 | return true; | |||
3605 | default: | |||
3606 | break; | |||
3607 | } | |||
3608 | break; | |||
3609 | ||||
3610 | case clang::Type::Record: | |||
3611 | if (check_cplusplus) { | |||
3612 | clang::CXXRecordDecl *cxx_record_decl = | |||
3613 | pointee_qual_type->getAsCXXRecordDecl(); | |||
3614 | if (cxx_record_decl) { | |||
3615 | bool is_complete = cxx_record_decl->isCompleteDefinition(); | |||
3616 | ||||
3617 | if (is_complete) | |||
3618 | success = cxx_record_decl->isDynamicClass(); | |||
3619 | else { | |||
3620 | ClangASTMetadata *metadata = GetMetadata(cxx_record_decl); | |||
3621 | if (metadata) | |||
3622 | success = metadata->GetIsDynamicCXXType(); | |||
3623 | else { | |||
3624 | is_complete = GetType(pointee_qual_type).GetCompleteType(); | |||
3625 | if (is_complete) | |||
3626 | success = cxx_record_decl->isDynamicClass(); | |||
3627 | else | |||
3628 | success = false; | |||
3629 | } | |||
3630 | } | |||
3631 | ||||
3632 | if (success) { | |||
3633 | if (dynamic_pointee_type) | |||
3634 | dynamic_pointee_type->SetCompilerType( | |||
3635 | this, pointee_qual_type.getAsOpaquePtr()); | |||
3636 | return true; | |||
3637 | } | |||
3638 | } | |||
3639 | } | |||
3640 | break; | |||
3641 | ||||
3642 | case clang::Type::ObjCObject: | |||
3643 | case clang::Type::ObjCInterface: | |||
3644 | if (check_objc) { | |||
3645 | if (dynamic_pointee_type) | |||
3646 | dynamic_pointee_type->SetCompilerType( | |||
3647 | this, pointee_qual_type.getAsOpaquePtr()); | |||
3648 | return true; | |||
3649 | } | |||
3650 | break; | |||
3651 | ||||
3652 | default: | |||
3653 | break; | |||
3654 | } | |||
3655 | } | |||
3656 | } | |||
3657 | if (dynamic_pointee_type) | |||
3658 | dynamic_pointee_type->Clear(); | |||
3659 | return false; | |||
3660 | } | |||
3661 | ||||
3662 | bool TypeSystemClang::IsScalarType(lldb::opaque_compiler_type_t type) { | |||
3663 | if (!type) | |||
3664 | return false; | |||
3665 | ||||
3666 | return (GetTypeInfo(type, nullptr) & eTypeIsScalar) != 0; | |||
3667 | } | |||
3668 | ||||
3669 | bool TypeSystemClang::IsTypedefType(lldb::opaque_compiler_type_t type) { | |||
3670 | if (!type) | |||
3671 | return false; | |||
3672 | return RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}) | |||
3673 | ->getTypeClass() == clang::Type::Typedef; | |||
3674 | } | |||
3675 | ||||
3676 | bool TypeSystemClang::IsVoidType(lldb::opaque_compiler_type_t type) { | |||
3677 | if (!type) | |||
3678 | return false; | |||
3679 | return GetCanonicalQualType(type)->isVoidType(); | |||
3680 | } | |||
3681 | ||||
3682 | bool TypeSystemClang::CanPassInRegisters(const CompilerType &type) { | |||
3683 | if (auto *record_decl = | |||
3684 | TypeSystemClang::GetAsRecordDecl(type)) { | |||
3685 | return record_decl->canPassInRegisters(); | |||
3686 | } | |||
3687 | return false; | |||
3688 | } | |||
3689 | ||||
3690 | bool TypeSystemClang::SupportsLanguage(lldb::LanguageType language) { | |||
3691 | return TypeSystemClangSupportsLanguage(language); | |||
3692 | } | |||
3693 | ||||
3694 | Optional<std::string> | |||
3695 | TypeSystemClang::GetCXXClassName(const CompilerType &type) { | |||
3696 | if (!type) | |||
3697 | return llvm::None; | |||
3698 | ||||
3699 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); | |||
3700 | if (qual_type.isNull()) | |||
3701 | return llvm::None; | |||
3702 | ||||
3703 | clang::CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); | |||
3704 | if (!cxx_record_decl) | |||
3705 | return llvm::None; | |||
3706 | ||||
3707 | return std::string(cxx_record_decl->getIdentifier()->getNameStart()); | |||
3708 | } | |||
3709 | ||||
3710 | bool TypeSystemClang::IsCXXClassType(const CompilerType &type) { | |||
3711 | if (!type) | |||
3712 | return false; | |||
3713 | ||||
3714 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); | |||
3715 | return !qual_type.isNull() && qual_type->getAsCXXRecordDecl() != nullptr; | |||
3716 | } | |||
3717 | ||||
3718 | bool TypeSystemClang::IsBeingDefined(lldb::opaque_compiler_type_t type) { | |||
3719 | if (!type) | |||
3720 | return false; | |||
3721 | clang::QualType qual_type(GetCanonicalQualType(type)); | |||
3722 | const clang::TagType *tag_type = llvm::dyn_cast<clang::TagType>(qual_type); | |||
3723 | if (tag_type) | |||
3724 | return tag_type->isBeingDefined(); | |||
3725 | return false; | |||
3726 | } | |||
3727 | ||||
3728 | bool TypeSystemClang::IsObjCObjectPointerType(const CompilerType &type, | |||
3729 | CompilerType *class_type_ptr) { | |||
3730 | if (!ClangUtil::IsClangType(type)) | |||
3731 | return false; | |||
3732 | ||||
3733 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); | |||
3734 | ||||
3735 | if (!qual_type.isNull() && qual_type->isObjCObjectPointerType()) { | |||
3736 | if (class_type_ptr) { | |||
3737 | if (!qual_type->isObjCClassType() && !qual_type->isObjCIdType()) { | |||
3738 | const clang::ObjCObjectPointerType *obj_pointer_type = | |||
3739 | llvm::dyn_cast<clang::ObjCObjectPointerType>(qual_type); | |||
3740 | if (obj_pointer_type == nullptr) | |||
3741 | class_type_ptr->Clear(); | |||
3742 | else | |||
3743 | class_type_ptr->SetCompilerType( | |||
3744 | type.GetTypeSystem(), | |||
3745 | clang::QualType(obj_pointer_type->getInterfaceType(), 0) | |||
3746 | .getAsOpaquePtr()); | |||
3747 | } | |||
3748 | } | |||
3749 | return true; | |||
3750 | } | |||
3751 | if (class_type_ptr) | |||
3752 | class_type_ptr->Clear(); | |||
3753 | return false; | |||
3754 | } | |||
3755 | ||||
3756 | // Type Completion | |||
3757 | ||||
3758 | bool TypeSystemClang::GetCompleteType(lldb::opaque_compiler_type_t type) { | |||
3759 | if (!type) | |||
3760 | return false; | |||
3761 | const bool allow_completion = true; | |||
3762 | return GetCompleteQualType(&getASTContext(), GetQualType(type), | |||
3763 | allow_completion); | |||
3764 | } | |||
3765 | ||||
3766 | ConstString TypeSystemClang::GetTypeName(lldb::opaque_compiler_type_t type) { | |||
3767 | if (!type) | |||
3768 | return ConstString(); | |||
3769 | ||||
3770 | clang::QualType qual_type(GetQualType(type)); | |||
3771 | ||||
3772 | // Remove certain type sugar from the name. Sugar such as elaborated types | |||
3773 | // or template types which only serve to improve diagnostics shouldn't | |||
3774 | // act as their own types from the user's perspective (e.g., formatter | |||
3775 | // shouldn't format a variable differently depending on how the ser has | |||
3776 | // specified the type. '::Type' and 'Type' should behave the same). | |||
3777 | // Typedefs and atomic derived types are not removed as they are actually | |||
3778 | // useful for identifiying specific types. | |||
3779 | qual_type = RemoveWrappingTypes(qual_type, | |||
3780 | {clang::Type::Typedef, clang::Type::Atomic}); | |||
3781 | ||||
3782 | // For a typedef just return the qualified name. | |||
3783 | if (const auto *typedef_type = qual_type->getAs<clang::TypedefType>()) { | |||
3784 | const clang::TypedefNameDecl *typedef_decl = typedef_type->getDecl(); | |||
3785 | return ConstString(GetTypeNameForDecl(typedef_decl)); | |||
3786 | } | |||
3787 | ||||
3788 | return ConstString(qual_type.getAsString(GetTypePrintingPolicy())); | |||
3789 | } | |||
3790 | ||||
3791 | ConstString | |||
3792 | TypeSystemClang::GetDisplayTypeName(lldb::opaque_compiler_type_t type) { | |||
3793 | if (!type) | |||
3794 | return ConstString(); | |||
3795 | ||||
3796 | clang::QualType qual_type(GetQualType(type)); | |||
3797 | clang::PrintingPolicy printing_policy(getASTContext().getPrintingPolicy()); | |||
3798 | printing_policy.SuppressTagKeyword = true; | |||
3799 | printing_policy.SuppressScope = false; | |||
3800 | printing_policy.SuppressUnwrittenScope = true; | |||
3801 | printing_policy.SuppressInlineNamespace = true; | |||
3802 | return ConstString(qual_type.getAsString(printing_policy)); | |||
3803 | } | |||
3804 | ||||
3805 | uint32_t | |||
3806 | TypeSystemClang::GetTypeInfo(lldb::opaque_compiler_type_t type, | |||
3807 | CompilerType *pointee_or_element_clang_type) { | |||
3808 | if (!type) | |||
3809 | return 0; | |||
3810 | ||||
3811 | if (pointee_or_element_clang_type) | |||
3812 | pointee_or_element_clang_type->Clear(); | |||
3813 | ||||
3814 | clang::QualType qual_type = | |||
3815 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}); | |||
3816 | ||||
3817 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
3818 | switch (type_class) { | |||
3819 | case clang::Type::Attributed: | |||
3820 | return GetTypeInfo( | |||
3821 | qual_type->getAs<clang::AttributedType>() | |||
3822 | ->getModifiedType().getAsOpaquePtr(), | |||
3823 | pointee_or_element_clang_type); | |||
3824 | case clang::Type::Builtin: { | |||
3825 | const clang::BuiltinType *builtin_type = llvm::dyn_cast<clang::BuiltinType>( | |||
3826 | qual_type->getCanonicalTypeInternal()); | |||
3827 | ||||
3828 | uint32_t builtin_type_flags = eTypeIsBuiltIn | eTypeHasValue; | |||
3829 | switch (builtin_type->getKind()) { | |||
3830 | case clang::BuiltinType::ObjCId: | |||
3831 | case clang::BuiltinType::ObjCClass: | |||
3832 | if (pointee_or_element_clang_type) | |||
3833 | pointee_or_element_clang_type->SetCompilerType( | |||
3834 | this, getASTContext().ObjCBuiltinClassTy.getAsOpaquePtr()); | |||
3835 | builtin_type_flags |= eTypeIsPointer | eTypeIsObjC; | |||
3836 | break; | |||
3837 | ||||
3838 | case clang::BuiltinType::ObjCSel: | |||
3839 | if (pointee_or_element_clang_type) | |||
3840 | pointee_or_element_clang_type->SetCompilerType( | |||
3841 | this, getASTContext().CharTy.getAsOpaquePtr()); | |||
3842 | builtin_type_flags |= eTypeIsPointer | eTypeIsObjC; | |||
3843 | break; | |||
3844 | ||||
3845 | case clang::BuiltinType::Bool: | |||
3846 | case clang::BuiltinType::Char_U: | |||
3847 | case clang::BuiltinType::UChar: | |||
3848 | case clang::BuiltinType::WChar_U: | |||
3849 | case clang::BuiltinType::Char16: | |||
3850 | case clang::BuiltinType::Char32: | |||
3851 | case clang::BuiltinType::UShort: | |||
3852 | case clang::BuiltinType::UInt: | |||
3853 | case clang::BuiltinType::ULong: | |||
3854 | case clang::BuiltinType::ULongLong: | |||
3855 | case clang::BuiltinType::UInt128: | |||
3856 | case clang::BuiltinType::Char_S: | |||
3857 | case clang::BuiltinType::SChar: | |||
3858 | case clang::BuiltinType::WChar_S: | |||
3859 | case clang::BuiltinType::Short: | |||
3860 | case clang::BuiltinType::Int: | |||
3861 | case clang::BuiltinType::Long: | |||
3862 | case clang::BuiltinType::LongLong: | |||
3863 | case clang::BuiltinType::Int128: | |||
3864 | case clang::BuiltinType::Float: | |||
3865 | case clang::BuiltinType::Double: | |||
3866 | case clang::BuiltinType::LongDouble: | |||
3867 | builtin_type_flags |= eTypeIsScalar; | |||
3868 | if (builtin_type->isInteger()) { | |||
3869 | builtin_type_flags |= eTypeIsInteger; | |||
3870 | if (builtin_type->isSignedInteger()) | |||
3871 | builtin_type_flags |= eTypeIsSigned; | |||
3872 | } else if (builtin_type->isFloatingPoint()) | |||
3873 | builtin_type_flags |= eTypeIsFloat; | |||
3874 | break; | |||
3875 | default: | |||
3876 | break; | |||
3877 | } | |||
3878 | return builtin_type_flags; | |||
3879 | } | |||
3880 | ||||
3881 | case clang::Type::BlockPointer: | |||
3882 | if (pointee_or_element_clang_type) | |||
3883 | pointee_or_element_clang_type->SetCompilerType( | |||
3884 | this, qual_type->getPointeeType().getAsOpaquePtr()); | |||
3885 | return eTypeIsPointer | eTypeHasChildren | eTypeIsBlock; | |||
3886 | ||||
3887 | case clang::Type::Complex: { | |||
3888 | uint32_t complex_type_flags = | |||
3889 | eTypeIsBuiltIn | eTypeHasValue | eTypeIsComplex; | |||
3890 | const clang::ComplexType *complex_type = llvm::dyn_cast<clang::ComplexType>( | |||
3891 | qual_type->getCanonicalTypeInternal()); | |||
3892 | if (complex_type) { | |||
3893 | clang::QualType complex_element_type(complex_type->getElementType()); | |||
3894 | if (complex_element_type->isIntegerType()) | |||
3895 | complex_type_flags |= eTypeIsFloat; | |||
3896 | else if (complex_element_type->isFloatingType()) | |||
3897 | complex_type_flags |= eTypeIsInteger; | |||
3898 | } | |||
3899 | return complex_type_flags; | |||
3900 | } break; | |||
3901 | ||||
3902 | case clang::Type::ConstantArray: | |||
3903 | case clang::Type::DependentSizedArray: | |||
3904 | case clang::Type::IncompleteArray: | |||
3905 | case clang::Type::VariableArray: | |||
3906 | if (pointee_or_element_clang_type) | |||
3907 | pointee_or_element_clang_type->SetCompilerType( | |||
3908 | this, llvm::cast<clang::ArrayType>(qual_type.getTypePtr()) | |||
3909 | ->getElementType() | |||
3910 | .getAsOpaquePtr()); | |||
3911 | return eTypeHasChildren | eTypeIsArray; | |||
3912 | ||||
3913 | case clang::Type::DependentName: | |||
3914 | return 0; | |||
3915 | case clang::Type::DependentSizedExtVector: | |||
3916 | return eTypeHasChildren | eTypeIsVector; | |||
3917 | case clang::Type::DependentTemplateSpecialization: | |||
3918 | return eTypeIsTemplate; | |||
3919 | ||||
3920 | case clang::Type::Enum: | |||
3921 | if (pointee_or_element_clang_type) | |||
3922 | pointee_or_element_clang_type->SetCompilerType( | |||
3923 | this, llvm::cast<clang::EnumType>(qual_type) | |||
3924 | ->getDecl() | |||
3925 | ->getIntegerType() | |||
3926 | .getAsOpaquePtr()); | |||
3927 | return eTypeIsEnumeration | eTypeHasValue; | |||
3928 | ||||
3929 | case clang::Type::FunctionProto: | |||
3930 | return eTypeIsFuncPrototype | eTypeHasValue; | |||
3931 | case clang::Type::FunctionNoProto: | |||
3932 | return eTypeIsFuncPrototype | eTypeHasValue; | |||
3933 | case clang::Type::InjectedClassName: | |||
3934 | return 0; | |||
3935 | ||||
3936 | case clang::Type::LValueReference: | |||
3937 | case clang::Type::RValueReference: | |||
3938 | if (pointee_or_element_clang_type) | |||
3939 | pointee_or_element_clang_type->SetCompilerType( | |||
3940 | this, llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()) | |||
3941 | ->getPointeeType() | |||
3942 | .getAsOpaquePtr()); | |||
3943 | return eTypeHasChildren | eTypeIsReference | eTypeHasValue; | |||
3944 | ||||
3945 | case clang::Type::MemberPointer: | |||
3946 | return eTypeIsPointer | eTypeIsMember | eTypeHasValue; | |||
3947 | ||||
3948 | case clang::Type::ObjCObjectPointer: | |||
3949 | if (pointee_or_element_clang_type) | |||
3950 | pointee_or_element_clang_type->SetCompilerType( | |||
3951 | this, qual_type->getPointeeType().getAsOpaquePtr()); | |||
3952 | return eTypeHasChildren | eTypeIsObjC | eTypeIsClass | eTypeIsPointer | | |||
3953 | eTypeHasValue; | |||
3954 | ||||
3955 | case clang::Type::ObjCObject: | |||
3956 | return eTypeHasChildren | eTypeIsObjC | eTypeIsClass; | |||
3957 | case clang::Type::ObjCInterface: | |||
3958 | return eTypeHasChildren | eTypeIsObjC | eTypeIsClass; | |||
3959 | ||||
3960 | case clang::Type::Pointer: | |||
3961 | if (pointee_or_element_clang_type) | |||
3962 | pointee_or_element_clang_type->SetCompilerType( | |||
3963 | this, qual_type->getPointeeType().getAsOpaquePtr()); | |||
3964 | return eTypeHasChildren | eTypeIsPointer | eTypeHasValue; | |||
3965 | ||||
3966 | case clang::Type::Record: | |||
3967 | if (qual_type->getAsCXXRecordDecl()) | |||
3968 | return eTypeHasChildren | eTypeIsClass | eTypeIsCPlusPlus; | |||
3969 | else | |||
3970 | return eTypeHasChildren | eTypeIsStructUnion; | |||
3971 | break; | |||
3972 | case clang::Type::SubstTemplateTypeParm: | |||
3973 | return eTypeIsTemplate; | |||
3974 | case clang::Type::TemplateTypeParm: | |||
3975 | return eTypeIsTemplate; | |||
3976 | case clang::Type::TemplateSpecialization: | |||
3977 | return eTypeIsTemplate; | |||
3978 | ||||
3979 | case clang::Type::Typedef: | |||
3980 | return eTypeIsTypedef | GetType(llvm::cast<clang::TypedefType>(qual_type) | |||
3981 | ->getDecl() | |||
3982 | ->getUnderlyingType()) | |||
3983 | .GetTypeInfo(pointee_or_element_clang_type); | |||
3984 | case clang::Type::UnresolvedUsing: | |||
3985 | return 0; | |||
3986 | ||||
3987 | case clang::Type::ExtVector: | |||
3988 | case clang::Type::Vector: { | |||
3989 | uint32_t vector_type_flags = eTypeHasChildren | eTypeIsVector; | |||
3990 | const clang::VectorType *vector_type = llvm::dyn_cast<clang::VectorType>( | |||
3991 | qual_type->getCanonicalTypeInternal()); | |||
3992 | if (vector_type) { | |||
3993 | if (vector_type->isIntegerType()) | |||
3994 | vector_type_flags |= eTypeIsFloat; | |||
3995 | else if (vector_type->isFloatingType()) | |||
3996 | vector_type_flags |= eTypeIsInteger; | |||
3997 | } | |||
3998 | return vector_type_flags; | |||
3999 | } | |||
4000 | default: | |||
4001 | return 0; | |||
4002 | } | |||
4003 | return 0; | |||
4004 | } | |||
4005 | ||||
4006 | lldb::LanguageType | |||
4007 | TypeSystemClang::GetMinimumLanguage(lldb::opaque_compiler_type_t type) { | |||
4008 | if (!type) | |||
4009 | return lldb::eLanguageTypeC; | |||
4010 | ||||
4011 | // If the type is a reference, then resolve it to what it refers to first: | |||
4012 | clang::QualType qual_type(GetCanonicalQualType(type).getNonReferenceType()); | |||
4013 | if (qual_type->isAnyPointerType()) { | |||
4014 | if (qual_type->isObjCObjectPointerType()) | |||
4015 | return lldb::eLanguageTypeObjC; | |||
4016 | if (qual_type->getPointeeCXXRecordDecl()) | |||
4017 | return lldb::eLanguageTypeC_plus_plus; | |||
4018 | ||||
4019 | clang::QualType pointee_type(qual_type->getPointeeType()); | |||
4020 | if (pointee_type->getPointeeCXXRecordDecl()) | |||
4021 | return lldb::eLanguageTypeC_plus_plus; | |||
4022 | if (pointee_type->isObjCObjectOrInterfaceType()) | |||
4023 | return lldb::eLanguageTypeObjC; | |||
4024 | if (pointee_type->isObjCClassType()) | |||
4025 | return lldb::eLanguageTypeObjC; | |||
4026 | if (pointee_type.getTypePtr() == | |||
4027 | getASTContext().ObjCBuiltinIdTy.getTypePtr()) | |||
4028 | return lldb::eLanguageTypeObjC; | |||
4029 | } else { | |||
4030 | if (qual_type->isObjCObjectOrInterfaceType()) | |||
4031 | return lldb::eLanguageTypeObjC; | |||
4032 | if (qual_type->getAsCXXRecordDecl()) | |||
4033 | return lldb::eLanguageTypeC_plus_plus; | |||
4034 | switch (qual_type->getTypeClass()) { | |||
4035 | default: | |||
4036 | break; | |||
4037 | case clang::Type::Builtin: | |||
4038 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { | |||
4039 | default: | |||
4040 | case clang::BuiltinType::Void: | |||
4041 | case clang::BuiltinType::Bool: | |||
4042 | case clang::BuiltinType::Char_U: | |||
4043 | case clang::BuiltinType::UChar: | |||
4044 | case clang::BuiltinType::WChar_U: | |||
4045 | case clang::BuiltinType::Char16: | |||
4046 | case clang::BuiltinType::Char32: | |||
4047 | case clang::BuiltinType::UShort: | |||
4048 | case clang::BuiltinType::UInt: | |||
4049 | case clang::BuiltinType::ULong: | |||
4050 | case clang::BuiltinType::ULongLong: | |||
4051 | case clang::BuiltinType::UInt128: | |||
4052 | case clang::BuiltinType::Char_S: | |||
4053 | case clang::BuiltinType::SChar: | |||
4054 | case clang::BuiltinType::WChar_S: | |||
4055 | case clang::BuiltinType::Short: | |||
4056 | case clang::BuiltinType::Int: | |||
4057 | case clang::BuiltinType::Long: | |||
4058 | case clang::BuiltinType::LongLong: | |||
4059 | case clang::BuiltinType::Int128: | |||
4060 | case clang::BuiltinType::Float: | |||
4061 | case clang::BuiltinType::Double: | |||
4062 | case clang::BuiltinType::LongDouble: | |||
4063 | break; | |||
4064 | ||||
4065 | case clang::BuiltinType::NullPtr: | |||
4066 | return eLanguageTypeC_plus_plus; | |||
4067 | ||||
4068 | case clang::BuiltinType::ObjCId: | |||
4069 | case clang::BuiltinType::ObjCClass: | |||
4070 | case clang::BuiltinType::ObjCSel: | |||
4071 | return eLanguageTypeObjC; | |||
4072 | ||||
4073 | case clang::BuiltinType::Dependent: | |||
4074 | case clang::BuiltinType::Overload: | |||
4075 | case clang::BuiltinType::BoundMember: | |||
4076 | case clang::BuiltinType::UnknownAny: | |||
4077 | break; | |||
4078 | } | |||
4079 | break; | |||
4080 | case clang::Type::Typedef: | |||
4081 | return GetType(llvm::cast<clang::TypedefType>(qual_type) | |||
4082 | ->getDecl() | |||
4083 | ->getUnderlyingType()) | |||
4084 | .GetMinimumLanguage(); | |||
4085 | } | |||
4086 | } | |||
4087 | return lldb::eLanguageTypeC; | |||
4088 | } | |||
4089 | ||||
4090 | lldb::TypeClass | |||
4091 | TypeSystemClang::GetTypeClass(lldb::opaque_compiler_type_t type) { | |||
4092 | if (!type) | |||
4093 | return lldb::eTypeClassInvalid; | |||
4094 | ||||
4095 | clang::QualType qual_type = | |||
4096 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}); | |||
4097 | ||||
4098 | switch (qual_type->getTypeClass()) { | |||
4099 | case clang::Type::Atomic: | |||
4100 | case clang::Type::Auto: | |||
4101 | case clang::Type::Decltype: | |||
4102 | case clang::Type::Elaborated: | |||
4103 | case clang::Type::Paren: | |||
4104 | case clang::Type::TypeOf: | |||
4105 | case clang::Type::TypeOfExpr: | |||
4106 | case clang::Type::Using: | |||
4107 | llvm_unreachable("Handled in RemoveWrappingTypes!")::llvm::llvm_unreachable_internal("Handled in RemoveWrappingTypes!" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 4107); | |||
4108 | case clang::Type::UnaryTransform: | |||
4109 | break; | |||
4110 | case clang::Type::FunctionNoProto: | |||
4111 | return lldb::eTypeClassFunction; | |||
4112 | case clang::Type::FunctionProto: | |||
4113 | return lldb::eTypeClassFunction; | |||
4114 | case clang::Type::IncompleteArray: | |||
4115 | return lldb::eTypeClassArray; | |||
4116 | case clang::Type::VariableArray: | |||
4117 | return lldb::eTypeClassArray; | |||
4118 | case clang::Type::ConstantArray: | |||
4119 | return lldb::eTypeClassArray; | |||
4120 | case clang::Type::DependentSizedArray: | |||
4121 | return lldb::eTypeClassArray; | |||
4122 | case clang::Type::DependentSizedExtVector: | |||
4123 | return lldb::eTypeClassVector; | |||
4124 | case clang::Type::DependentVector: | |||
4125 | return lldb::eTypeClassVector; | |||
4126 | case clang::Type::ExtVector: | |||
4127 | return lldb::eTypeClassVector; | |||
4128 | case clang::Type::Vector: | |||
4129 | return lldb::eTypeClassVector; | |||
4130 | case clang::Type::Builtin: | |||
4131 | // Ext-Int is just an integer type. | |||
4132 | case clang::Type::BitInt: | |||
4133 | case clang::Type::DependentBitInt: | |||
4134 | return lldb::eTypeClassBuiltin; | |||
4135 | case clang::Type::ObjCObjectPointer: | |||
4136 | return lldb::eTypeClassObjCObjectPointer; | |||
4137 | case clang::Type::BlockPointer: | |||
4138 | return lldb::eTypeClassBlockPointer; | |||
4139 | case clang::Type::Pointer: | |||
4140 | return lldb::eTypeClassPointer; | |||
4141 | case clang::Type::LValueReference: | |||
4142 | return lldb::eTypeClassReference; | |||
4143 | case clang::Type::RValueReference: | |||
4144 | return lldb::eTypeClassReference; | |||
4145 | case clang::Type::MemberPointer: | |||
4146 | return lldb::eTypeClassMemberPointer; | |||
4147 | case clang::Type::Complex: | |||
4148 | if (qual_type->isComplexType()) | |||
4149 | return lldb::eTypeClassComplexFloat; | |||
4150 | else | |||
4151 | return lldb::eTypeClassComplexInteger; | |||
4152 | case clang::Type::ObjCObject: | |||
4153 | return lldb::eTypeClassObjCObject; | |||
4154 | case clang::Type::ObjCInterface: | |||
4155 | return lldb::eTypeClassObjCInterface; | |||
4156 | case clang::Type::Record: { | |||
4157 | const clang::RecordType *record_type = | |||
4158 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); | |||
4159 | const clang::RecordDecl *record_decl = record_type->getDecl(); | |||
4160 | if (record_decl->isUnion()) | |||
4161 | return lldb::eTypeClassUnion; | |||
4162 | else if (record_decl->isStruct()) | |||
4163 | return lldb::eTypeClassStruct; | |||
4164 | else | |||
4165 | return lldb::eTypeClassClass; | |||
4166 | } break; | |||
4167 | case clang::Type::Enum: | |||
4168 | return lldb::eTypeClassEnumeration; | |||
4169 | case clang::Type::Typedef: | |||
4170 | return lldb::eTypeClassTypedef; | |||
4171 | case clang::Type::UnresolvedUsing: | |||
4172 | break; | |||
4173 | ||||
4174 | case clang::Type::Attributed: | |||
4175 | break; | |||
4176 | case clang::Type::TemplateTypeParm: | |||
4177 | break; | |||
4178 | case clang::Type::SubstTemplateTypeParm: | |||
4179 | break; | |||
4180 | case clang::Type::SubstTemplateTypeParmPack: | |||
4181 | break; | |||
4182 | case clang::Type::InjectedClassName: | |||
4183 | break; | |||
4184 | case clang::Type::DependentName: | |||
4185 | break; | |||
4186 | case clang::Type::DependentTemplateSpecialization: | |||
4187 | break; | |||
4188 | case clang::Type::PackExpansion: | |||
4189 | break; | |||
4190 | ||||
4191 | case clang::Type::TemplateSpecialization: | |||
4192 | break; | |||
4193 | case clang::Type::DeducedTemplateSpecialization: | |||
4194 | break; | |||
4195 | case clang::Type::Pipe: | |||
4196 | break; | |||
4197 | ||||
4198 | // pointer type decayed from an array or function type. | |||
4199 | case clang::Type::Decayed: | |||
4200 | break; | |||
4201 | case clang::Type::Adjusted: | |||
4202 | break; | |||
4203 | case clang::Type::ObjCTypeParam: | |||
4204 | break; | |||
4205 | ||||
4206 | case clang::Type::DependentAddressSpace: | |||
4207 | break; | |||
4208 | case clang::Type::MacroQualified: | |||
4209 | break; | |||
4210 | ||||
4211 | // Matrix types that we're not sure how to display at the moment. | |||
4212 | case clang::Type::ConstantMatrix: | |||
4213 | case clang::Type::DependentSizedMatrix: | |||
4214 | break; | |||
4215 | } | |||
4216 | // We don't know hot to display this type... | |||
4217 | return lldb::eTypeClassOther; | |||
4218 | } | |||
4219 | ||||
4220 | unsigned TypeSystemClang::GetTypeQualifiers(lldb::opaque_compiler_type_t type) { | |||
4221 | if (type) | |||
4222 | return GetQualType(type).getQualifiers().getCVRQualifiers(); | |||
4223 | return 0; | |||
4224 | } | |||
4225 | ||||
4226 | // Creating related types | |||
4227 | ||||
4228 | CompilerType | |||
4229 | TypeSystemClang::GetArrayElementType(lldb::opaque_compiler_type_t type, | |||
4230 | ExecutionContextScope *exe_scope) { | |||
4231 | if (type) { | |||
4232 | clang::QualType qual_type(GetQualType(type)); | |||
4233 | ||||
4234 | const clang::Type *array_eletype = | |||
4235 | qual_type.getTypePtr()->getArrayElementTypeNoTypeQual(); | |||
4236 | ||||
4237 | if (!array_eletype) | |||
4238 | return CompilerType(); | |||
4239 | ||||
4240 | return GetType(clang::QualType(array_eletype, 0)); | |||
4241 | } | |||
4242 | return CompilerType(); | |||
4243 | } | |||
4244 | ||||
4245 | CompilerType TypeSystemClang::GetArrayType(lldb::opaque_compiler_type_t type, | |||
4246 | uint64_t size) { | |||
4247 | if (type) { | |||
4248 | clang::QualType qual_type(GetCanonicalQualType(type)); | |||
4249 | clang::ASTContext &ast_ctx = getASTContext(); | |||
4250 | if (size != 0) | |||
4251 | return GetType(ast_ctx.getConstantArrayType( | |||
4252 | qual_type, llvm::APInt(64, size), nullptr, | |||
4253 | clang::ArrayType::ArraySizeModifier::Normal, 0)); | |||
4254 | else | |||
4255 | return GetType(ast_ctx.getIncompleteArrayType( | |||
4256 | qual_type, clang::ArrayType::ArraySizeModifier::Normal, 0)); | |||
4257 | } | |||
4258 | ||||
4259 | return CompilerType(); | |||
4260 | } | |||
4261 | ||||
4262 | CompilerType | |||
4263 | TypeSystemClang::GetCanonicalType(lldb::opaque_compiler_type_t type) { | |||
4264 | if (type) | |||
4265 | return GetType(GetCanonicalQualType(type)); | |||
4266 | return CompilerType(); | |||
4267 | } | |||
4268 | ||||
4269 | static clang::QualType GetFullyUnqualifiedType_Impl(clang::ASTContext *ast, | |||
4270 | clang::QualType qual_type) { | |||
4271 | if (qual_type->isPointerType()) | |||
4272 | qual_type = ast->getPointerType( | |||
4273 | GetFullyUnqualifiedType_Impl(ast, qual_type->getPointeeType())); | |||
4274 | else if (const ConstantArrayType *arr = | |||
4275 | ast->getAsConstantArrayType(qual_type)) { | |||
4276 | qual_type = ast->getConstantArrayType( | |||
4277 | GetFullyUnqualifiedType_Impl(ast, arr->getElementType()), | |||
4278 | arr->getSize(), arr->getSizeExpr(), arr->getSizeModifier(), | |||
4279 | arr->getIndexTypeQualifiers().getAsOpaqueValue()); | |||
4280 | } else | |||
4281 | qual_type = qual_type.getUnqualifiedType(); | |||
4282 | qual_type.removeLocalConst(); | |||
4283 | qual_type.removeLocalRestrict(); | |||
4284 | qual_type.removeLocalVolatile(); | |||
4285 | return qual_type; | |||
4286 | } | |||
4287 | ||||
4288 | CompilerType | |||
4289 | TypeSystemClang::GetFullyUnqualifiedType(lldb::opaque_compiler_type_t type) { | |||
4290 | if (type) | |||
4291 | return GetType( | |||
4292 | GetFullyUnqualifiedType_Impl(&getASTContext(), GetQualType(type))); | |||
4293 | return CompilerType(); | |||
4294 | } | |||
4295 | ||||
4296 | CompilerType | |||
4297 | TypeSystemClang::GetEnumerationIntegerType(lldb::opaque_compiler_type_t type) { | |||
4298 | if (type) | |||
4299 | return GetEnumerationIntegerType(GetType(GetCanonicalQualType(type))); | |||
4300 | return CompilerType(); | |||
4301 | } | |||
4302 | ||||
4303 | int TypeSystemClang::GetFunctionArgumentCount( | |||
4304 | lldb::opaque_compiler_type_t type) { | |||
4305 | if (type) { | |||
4306 | const clang::FunctionProtoType *func = | |||
4307 | llvm::dyn_cast<clang::FunctionProtoType>(GetCanonicalQualType(type)); | |||
4308 | if (func) | |||
4309 | return func->getNumParams(); | |||
4310 | } | |||
4311 | return -1; | |||
4312 | } | |||
4313 | ||||
4314 | CompilerType TypeSystemClang::GetFunctionArgumentTypeAtIndex( | |||
4315 | lldb::opaque_compiler_type_t type, size_t idx) { | |||
4316 | if (type) { | |||
4317 | const clang::FunctionProtoType *func = | |||
4318 | llvm::dyn_cast<clang::FunctionProtoType>(GetQualType(type)); | |||
4319 | if (func) { | |||
4320 | const uint32_t num_args = func->getNumParams(); | |||
4321 | if (idx < num_args) | |||
4322 | return GetType(func->getParamType(idx)); | |||
4323 | } | |||
4324 | } | |||
4325 | return CompilerType(); | |||
4326 | } | |||
4327 | ||||
4328 | CompilerType | |||
4329 | TypeSystemClang::GetFunctionReturnType(lldb::opaque_compiler_type_t type) { | |||
4330 | if (type) { | |||
4331 | clang::QualType qual_type(GetQualType(type)); | |||
4332 | const clang::FunctionProtoType *func = | |||
4333 | llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); | |||
4334 | if (func) | |||
4335 | return GetType(func->getReturnType()); | |||
4336 | } | |||
4337 | return CompilerType(); | |||
4338 | } | |||
4339 | ||||
4340 | size_t | |||
4341 | TypeSystemClang::GetNumMemberFunctions(lldb::opaque_compiler_type_t type) { | |||
4342 | size_t num_functions = 0; | |||
4343 | if (type) { | |||
4344 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
4345 | switch (qual_type->getTypeClass()) { | |||
4346 | case clang::Type::Record: | |||
4347 | if (GetCompleteQualType(&getASTContext(), qual_type)) { | |||
4348 | const clang::RecordType *record_type = | |||
4349 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); | |||
4350 | const clang::RecordDecl *record_decl = record_type->getDecl(); | |||
4351 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 4351, __extension__ __PRETTY_FUNCTION__)); | |||
4352 | const clang::CXXRecordDecl *cxx_record_decl = | |||
4353 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); | |||
4354 | if (cxx_record_decl) | |||
4355 | num_functions = std::distance(cxx_record_decl->method_begin(), | |||
4356 | cxx_record_decl->method_end()); | |||
4357 | } | |||
4358 | break; | |||
4359 | ||||
4360 | case clang::Type::ObjCObjectPointer: { | |||
4361 | const clang::ObjCObjectPointerType *objc_class_type = | |||
4362 | qual_type->getAs<clang::ObjCObjectPointerType>(); | |||
4363 | const clang::ObjCInterfaceType *objc_interface_type = | |||
4364 | objc_class_type->getInterfaceType(); | |||
4365 | if (objc_interface_type && | |||
4366 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( | |||
4367 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { | |||
4368 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
4369 | objc_interface_type->getDecl(); | |||
4370 | if (class_interface_decl) { | |||
4371 | num_functions = std::distance(class_interface_decl->meth_begin(), | |||
4372 | class_interface_decl->meth_end()); | |||
4373 | } | |||
4374 | } | |||
4375 | break; | |||
4376 | } | |||
4377 | ||||
4378 | case clang::Type::ObjCObject: | |||
4379 | case clang::Type::ObjCInterface: | |||
4380 | if (GetCompleteType(type)) { | |||
4381 | const clang::ObjCObjectType *objc_class_type = | |||
4382 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); | |||
4383 | if (objc_class_type) { | |||
4384 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
4385 | objc_class_type->getInterface(); | |||
4386 | if (class_interface_decl) | |||
4387 | num_functions = std::distance(class_interface_decl->meth_begin(), | |||
4388 | class_interface_decl->meth_end()); | |||
4389 | } | |||
4390 | } | |||
4391 | break; | |||
4392 | ||||
4393 | default: | |||
4394 | break; | |||
4395 | } | |||
4396 | } | |||
4397 | return num_functions; | |||
4398 | } | |||
4399 | ||||
4400 | TypeMemberFunctionImpl | |||
4401 | TypeSystemClang::GetMemberFunctionAtIndex(lldb::opaque_compiler_type_t type, | |||
4402 | size_t idx) { | |||
4403 | std::string name; | |||
4404 | MemberFunctionKind kind(MemberFunctionKind::eMemberFunctionKindUnknown); | |||
4405 | CompilerType clang_type; | |||
4406 | CompilerDecl clang_decl; | |||
4407 | if (type) { | |||
4408 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
4409 | switch (qual_type->getTypeClass()) { | |||
4410 | case clang::Type::Record: | |||
4411 | if (GetCompleteQualType(&getASTContext(), qual_type)) { | |||
4412 | const clang::RecordType *record_type = | |||
4413 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); | |||
4414 | const clang::RecordDecl *record_decl = record_type->getDecl(); | |||
4415 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 4415, __extension__ __PRETTY_FUNCTION__)); | |||
4416 | const clang::CXXRecordDecl *cxx_record_decl = | |||
4417 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); | |||
4418 | if (cxx_record_decl) { | |||
4419 | auto method_iter = cxx_record_decl->method_begin(); | |||
4420 | auto method_end = cxx_record_decl->method_end(); | |||
4421 | if (idx < | |||
4422 | static_cast<size_t>(std::distance(method_iter, method_end))) { | |||
4423 | std::advance(method_iter, idx); | |||
4424 | clang::CXXMethodDecl *cxx_method_decl = | |||
4425 | method_iter->getCanonicalDecl(); | |||
4426 | if (cxx_method_decl) { | |||
4427 | name = cxx_method_decl->getDeclName().getAsString(); | |||
4428 | if (cxx_method_decl->isStatic()) | |||
4429 | kind = lldb::eMemberFunctionKindStaticMethod; | |||
4430 | else if (llvm::isa<clang::CXXConstructorDecl>(cxx_method_decl)) | |||
4431 | kind = lldb::eMemberFunctionKindConstructor; | |||
4432 | else if (llvm::isa<clang::CXXDestructorDecl>(cxx_method_decl)) | |||
4433 | kind = lldb::eMemberFunctionKindDestructor; | |||
4434 | else | |||
4435 | kind = lldb::eMemberFunctionKindInstanceMethod; | |||
4436 | clang_type = GetType(cxx_method_decl->getType()); | |||
4437 | clang_decl = GetCompilerDecl(cxx_method_decl); | |||
4438 | } | |||
4439 | } | |||
4440 | } | |||
4441 | } | |||
4442 | break; | |||
4443 | ||||
4444 | case clang::Type::ObjCObjectPointer: { | |||
4445 | const clang::ObjCObjectPointerType *objc_class_type = | |||
4446 | qual_type->getAs<clang::ObjCObjectPointerType>(); | |||
4447 | const clang::ObjCInterfaceType *objc_interface_type = | |||
4448 | objc_class_type->getInterfaceType(); | |||
4449 | if (objc_interface_type && | |||
4450 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( | |||
4451 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { | |||
4452 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
4453 | objc_interface_type->getDecl(); | |||
4454 | if (class_interface_decl) { | |||
4455 | auto method_iter = class_interface_decl->meth_begin(); | |||
4456 | auto method_end = class_interface_decl->meth_end(); | |||
4457 | if (idx < | |||
4458 | static_cast<size_t>(std::distance(method_iter, method_end))) { | |||
4459 | std::advance(method_iter, idx); | |||
4460 | clang::ObjCMethodDecl *objc_method_decl = | |||
4461 | method_iter->getCanonicalDecl(); | |||
4462 | if (objc_method_decl) { | |||
4463 | clang_decl = GetCompilerDecl(objc_method_decl); | |||
4464 | name = objc_method_decl->getSelector().getAsString(); | |||
4465 | if (objc_method_decl->isClassMethod()) | |||
4466 | kind = lldb::eMemberFunctionKindStaticMethod; | |||
4467 | else | |||
4468 | kind = lldb::eMemberFunctionKindInstanceMethod; | |||
4469 | } | |||
4470 | } | |||
4471 | } | |||
4472 | } | |||
4473 | break; | |||
4474 | } | |||
4475 | ||||
4476 | case clang::Type::ObjCObject: | |||
4477 | case clang::Type::ObjCInterface: | |||
4478 | if (GetCompleteType(type)) { | |||
4479 | const clang::ObjCObjectType *objc_class_type = | |||
4480 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); | |||
4481 | if (objc_class_type) { | |||
4482 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
4483 | objc_class_type->getInterface(); | |||
4484 | if (class_interface_decl) { | |||
4485 | auto method_iter = class_interface_decl->meth_begin(); | |||
4486 | auto method_end = class_interface_decl->meth_end(); | |||
4487 | if (idx < | |||
4488 | static_cast<size_t>(std::distance(method_iter, method_end))) { | |||
4489 | std::advance(method_iter, idx); | |||
4490 | clang::ObjCMethodDecl *objc_method_decl = | |||
4491 | method_iter->getCanonicalDecl(); | |||
4492 | if (objc_method_decl) { | |||
4493 | clang_decl = GetCompilerDecl(objc_method_decl); | |||
4494 | name = objc_method_decl->getSelector().getAsString(); | |||
4495 | if (objc_method_decl->isClassMethod()) | |||
4496 | kind = lldb::eMemberFunctionKindStaticMethod; | |||
4497 | else | |||
4498 | kind = lldb::eMemberFunctionKindInstanceMethod; | |||
4499 | } | |||
4500 | } | |||
4501 | } | |||
4502 | } | |||
4503 | } | |||
4504 | break; | |||
4505 | ||||
4506 | default: | |||
4507 | break; | |||
4508 | } | |||
4509 | } | |||
4510 | ||||
4511 | if (kind == eMemberFunctionKindUnknown) | |||
4512 | return TypeMemberFunctionImpl(); | |||
4513 | else | |||
4514 | return TypeMemberFunctionImpl(clang_type, clang_decl, name, kind); | |||
4515 | } | |||
4516 | ||||
4517 | CompilerType | |||
4518 | TypeSystemClang::GetNonReferenceType(lldb::opaque_compiler_type_t type) { | |||
4519 | if (type) | |||
4520 | return GetType(GetQualType(type).getNonReferenceType()); | |||
4521 | return CompilerType(); | |||
4522 | } | |||
4523 | ||||
4524 | CompilerType | |||
4525 | TypeSystemClang::GetPointeeType(lldb::opaque_compiler_type_t type) { | |||
4526 | if (type) { | |||
4527 | clang::QualType qual_type(GetQualType(type)); | |||
4528 | return GetType(qual_type.getTypePtr()->getPointeeType()); | |||
4529 | } | |||
4530 | return CompilerType(); | |||
4531 | } | |||
4532 | ||||
4533 | CompilerType | |||
4534 | TypeSystemClang::GetPointerType(lldb::opaque_compiler_type_t type) { | |||
4535 | if (type) { | |||
4536 | clang::QualType qual_type(GetQualType(type)); | |||
4537 | ||||
4538 | switch (qual_type.getDesugaredType(getASTContext())->getTypeClass()) { | |||
4539 | case clang::Type::ObjCObject: | |||
4540 | case clang::Type::ObjCInterface: | |||
4541 | return GetType(getASTContext().getObjCObjectPointerType(qual_type)); | |||
4542 | ||||
4543 | default: | |||
4544 | return GetType(getASTContext().getPointerType(qual_type)); | |||
4545 | } | |||
4546 | } | |||
4547 | return CompilerType(); | |||
4548 | } | |||
4549 | ||||
4550 | CompilerType | |||
4551 | TypeSystemClang::GetLValueReferenceType(lldb::opaque_compiler_type_t type) { | |||
4552 | if (type) | |||
4553 | return GetType(getASTContext().getLValueReferenceType(GetQualType(type))); | |||
4554 | else | |||
4555 | return CompilerType(); | |||
4556 | } | |||
4557 | ||||
4558 | CompilerType | |||
4559 | TypeSystemClang::GetRValueReferenceType(lldb::opaque_compiler_type_t type) { | |||
4560 | if (type) | |||
4561 | return GetType(getASTContext().getRValueReferenceType(GetQualType(type))); | |||
4562 | else | |||
4563 | return CompilerType(); | |||
4564 | } | |||
4565 | ||||
4566 | CompilerType TypeSystemClang::GetAtomicType(lldb::opaque_compiler_type_t type) { | |||
4567 | if (!type) | |||
4568 | return CompilerType(); | |||
4569 | return GetType(getASTContext().getAtomicType(GetQualType(type))); | |||
4570 | } | |||
4571 | ||||
4572 | CompilerType | |||
4573 | TypeSystemClang::AddConstModifier(lldb::opaque_compiler_type_t type) { | |||
4574 | if (type) { | |||
4575 | clang::QualType result(GetQualType(type)); | |||
4576 | result.addConst(); | |||
4577 | return GetType(result); | |||
4578 | } | |||
4579 | return CompilerType(); | |||
4580 | } | |||
4581 | ||||
4582 | CompilerType | |||
4583 | TypeSystemClang::AddVolatileModifier(lldb::opaque_compiler_type_t type) { | |||
4584 | if (type) { | |||
4585 | clang::QualType result(GetQualType(type)); | |||
4586 | result.addVolatile(); | |||
4587 | return GetType(result); | |||
4588 | } | |||
4589 | return CompilerType(); | |||
4590 | } | |||
4591 | ||||
4592 | CompilerType | |||
4593 | TypeSystemClang::AddRestrictModifier(lldb::opaque_compiler_type_t type) { | |||
4594 | if (type) { | |||
4595 | clang::QualType result(GetQualType(type)); | |||
4596 | result.addRestrict(); | |||
4597 | return GetType(result); | |||
4598 | } | |||
4599 | return CompilerType(); | |||
4600 | } | |||
4601 | ||||
4602 | CompilerType TypeSystemClang::CreateTypedef( | |||
4603 | lldb::opaque_compiler_type_t type, const char *typedef_name, | |||
4604 | const CompilerDeclContext &compiler_decl_ctx, uint32_t payload) { | |||
4605 | if (type && typedef_name && typedef_name[0]) { | |||
4606 | clang::ASTContext &clang_ast = getASTContext(); | |||
4607 | clang::QualType qual_type(GetQualType(type)); | |||
4608 | ||||
4609 | clang::DeclContext *decl_ctx = | |||
4610 | TypeSystemClang::DeclContextGetAsDeclContext(compiler_decl_ctx); | |||
4611 | if (!decl_ctx) | |||
4612 | decl_ctx = getASTContext().getTranslationUnitDecl(); | |||
4613 | ||||
4614 | clang::TypedefDecl *decl = | |||
4615 | clang::TypedefDecl::CreateDeserialized(clang_ast, 0); | |||
4616 | decl->setDeclContext(decl_ctx); | |||
4617 | decl->setDeclName(&clang_ast.Idents.get(typedef_name)); | |||
4618 | decl->setTypeSourceInfo(clang_ast.getTrivialTypeSourceInfo(qual_type)); | |||
4619 | decl_ctx->addDecl(decl); | |||
4620 | SetOwningModule(decl, TypePayloadClang(payload).GetOwningModule()); | |||
4621 | ||||
4622 | clang::TagDecl *tdecl = nullptr; | |||
4623 | if (!qual_type.isNull()) { | |||
4624 | if (const clang::RecordType *rt = qual_type->getAs<clang::RecordType>()) | |||
4625 | tdecl = rt->getDecl(); | |||
4626 | if (const clang::EnumType *et = qual_type->getAs<clang::EnumType>()) | |||
4627 | tdecl = et->getDecl(); | |||
4628 | } | |||
4629 | ||||
4630 | // Check whether this declaration is an anonymous struct, union, or enum, | |||
4631 | // hidden behind a typedef. If so, we try to check whether we have a | |||
4632 | // typedef tag to attach to the original record declaration | |||
4633 | if (tdecl && !tdecl->getIdentifier() && !tdecl->getTypedefNameForAnonDecl()) | |||
4634 | tdecl->setTypedefNameForAnonDecl(decl); | |||
4635 | ||||
4636 | decl->setAccess(clang::AS_public); // TODO respect proper access specifier | |||
4637 | ||||
4638 | // Get a uniqued clang::QualType for the typedef decl type | |||
4639 | return GetType(clang_ast.getTypedefType(decl)); | |||
4640 | } | |||
4641 | return CompilerType(); | |||
4642 | } | |||
4643 | ||||
4644 | CompilerType | |||
4645 | TypeSystemClang::GetTypedefedType(lldb::opaque_compiler_type_t type) { | |||
4646 | if (type) { | |||
4647 | const clang::TypedefType *typedef_type = llvm::dyn_cast<clang::TypedefType>( | |||
4648 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef})); | |||
4649 | if (typedef_type) | |||
4650 | return GetType(typedef_type->getDecl()->getUnderlyingType()); | |||
4651 | } | |||
4652 | return CompilerType(); | |||
4653 | } | |||
4654 | ||||
4655 | // Create related types using the current type's AST | |||
4656 | ||||
4657 | CompilerType TypeSystemClang::GetBasicTypeFromAST(lldb::BasicType basic_type) { | |||
4658 | return TypeSystemClang::GetBasicType(basic_type); | |||
4659 | } | |||
4660 | // Exploring the type | |||
4661 | ||||
4662 | const llvm::fltSemantics & | |||
4663 | TypeSystemClang::GetFloatTypeSemantics(size_t byte_size) { | |||
4664 | clang::ASTContext &ast = getASTContext(); | |||
4665 | const size_t bit_size = byte_size * 8; | |||
4666 | if (bit_size == ast.getTypeSize(ast.FloatTy)) | |||
4667 | return ast.getFloatTypeSemantics(ast.FloatTy); | |||
4668 | else if (bit_size == ast.getTypeSize(ast.DoubleTy)) | |||
4669 | return ast.getFloatTypeSemantics(ast.DoubleTy); | |||
4670 | else if (bit_size == ast.getTypeSize(ast.LongDoubleTy)) | |||
4671 | return ast.getFloatTypeSemantics(ast.LongDoubleTy); | |||
4672 | else if (bit_size == ast.getTypeSize(ast.HalfTy)) | |||
4673 | return ast.getFloatTypeSemantics(ast.HalfTy); | |||
4674 | return llvm::APFloatBase::Bogus(); | |||
4675 | } | |||
4676 | ||||
4677 | Optional<uint64_t> | |||
4678 | TypeSystemClang::GetBitSize(lldb::opaque_compiler_type_t type, | |||
4679 | ExecutionContextScope *exe_scope) { | |||
4680 | if (GetCompleteType(type)) { | |||
4681 | clang::QualType qual_type(GetCanonicalQualType(type)); | |||
4682 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
4683 | switch (type_class) { | |||
4684 | case clang::Type::Record: | |||
4685 | if (GetCompleteType(type)) | |||
4686 | return getASTContext().getTypeSize(qual_type); | |||
4687 | else | |||
4688 | return None; | |||
4689 | break; | |||
4690 | ||||
4691 | case clang::Type::ObjCInterface: | |||
4692 | case clang::Type::ObjCObject: { | |||
4693 | ExecutionContext exe_ctx(exe_scope); | |||
4694 | Process *process = exe_ctx.GetProcessPtr(); | |||
4695 | if (process) { | |||
4696 | ObjCLanguageRuntime *objc_runtime = ObjCLanguageRuntime::Get(*process); | |||
4697 | if (objc_runtime) { | |||
4698 | uint64_t bit_size = 0; | |||
4699 | if (objc_runtime->GetTypeBitSize(GetType(qual_type), bit_size)) | |||
4700 | return bit_size; | |||
4701 | } | |||
4702 | } else { | |||
4703 | static bool g_printed = false; | |||
4704 | if (!g_printed) { | |||
4705 | StreamString s; | |||
4706 | DumpTypeDescription(type, &s); | |||
4707 | ||||
4708 | llvm::outs() << "warning: trying to determine the size of type "; | |||
4709 | llvm::outs() << s.GetString() << "\n"; | |||
4710 | llvm::outs() << "without a valid ExecutionContext. this is not " | |||
4711 | "reliable. please file a bug against LLDB.\n"; | |||
4712 | llvm::outs() << "backtrace:\n"; | |||
4713 | llvm::sys::PrintStackTrace(llvm::outs()); | |||
4714 | llvm::outs() << "\n"; | |||
4715 | g_printed = true; | |||
4716 | } | |||
4717 | } | |||
4718 | } | |||
4719 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | |||
4720 | default: | |||
4721 | const uint32_t bit_size = getASTContext().getTypeSize(qual_type); | |||
4722 | if (bit_size == 0) { | |||
4723 | if (qual_type->isIncompleteArrayType()) | |||
4724 | return getASTContext().getTypeSize( | |||
4725 | qual_type->getArrayElementTypeNoTypeQual() | |||
4726 | ->getCanonicalTypeUnqualified()); | |||
4727 | } | |||
4728 | if (qual_type->isObjCObjectOrInterfaceType()) | |||
4729 | return bit_size + | |||
4730 | getASTContext().getTypeSize(getASTContext().ObjCBuiltinClassTy); | |||
4731 | // Function types actually have a size of 0, that's not an error. | |||
4732 | if (qual_type->isFunctionProtoType()) | |||
4733 | return bit_size; | |||
4734 | if (bit_size) | |||
4735 | return bit_size; | |||
4736 | } | |||
4737 | } | |||
4738 | return None; | |||
4739 | } | |||
4740 | ||||
4741 | llvm::Optional<size_t> | |||
4742 | TypeSystemClang::GetTypeBitAlign(lldb::opaque_compiler_type_t type, | |||
4743 | ExecutionContextScope *exe_scope) { | |||
4744 | if (GetCompleteType(type)) | |||
4745 | return getASTContext().getTypeAlign(GetQualType(type)); | |||
4746 | return {}; | |||
4747 | } | |||
4748 | ||||
4749 | lldb::Encoding TypeSystemClang::GetEncoding(lldb::opaque_compiler_type_t type, | |||
4750 | uint64_t &count) { | |||
4751 | if (!type) | |||
4752 | return lldb::eEncodingInvalid; | |||
4753 | ||||
4754 | count = 1; | |||
4755 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
4756 | ||||
4757 | switch (qual_type->getTypeClass()) { | |||
4758 | case clang::Type::Atomic: | |||
4759 | case clang::Type::Auto: | |||
4760 | case clang::Type::Decltype: | |||
4761 | case clang::Type::Elaborated: | |||
4762 | case clang::Type::Paren: | |||
4763 | case clang::Type::Typedef: | |||
4764 | case clang::Type::TypeOf: | |||
4765 | case clang::Type::TypeOfExpr: | |||
4766 | case clang::Type::Using: | |||
4767 | llvm_unreachable("Handled in RemoveWrappingTypes!")::llvm::llvm_unreachable_internal("Handled in RemoveWrappingTypes!" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 4767); | |||
4768 | ||||
4769 | case clang::Type::UnaryTransform: | |||
4770 | break; | |||
4771 | ||||
4772 | case clang::Type::FunctionNoProto: | |||
4773 | case clang::Type::FunctionProto: | |||
4774 | break; | |||
4775 | ||||
4776 | case clang::Type::IncompleteArray: | |||
4777 | case clang::Type::VariableArray: | |||
4778 | break; | |||
4779 | ||||
4780 | case clang::Type::ConstantArray: | |||
4781 | break; | |||
4782 | ||||
4783 | case clang::Type::DependentVector: | |||
4784 | case clang::Type::ExtVector: | |||
4785 | case clang::Type::Vector: | |||
4786 | // TODO: Set this to more than one??? | |||
4787 | break; | |||
4788 | ||||
4789 | case clang::Type::BitInt: | |||
4790 | case clang::Type::DependentBitInt: | |||
4791 | return qual_type->isUnsignedIntegerType() ? lldb::eEncodingUint | |||
4792 | : lldb::eEncodingSint; | |||
4793 | ||||
4794 | case clang::Type::Builtin: | |||
4795 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { | |||
4796 | case clang::BuiltinType::Void: | |||
4797 | break; | |||
4798 | ||||
4799 | case clang::BuiltinType::Char_S: | |||
4800 | case clang::BuiltinType::SChar: | |||
4801 | case clang::BuiltinType::WChar_S: | |||
4802 | case clang::BuiltinType::Short: | |||
4803 | case clang::BuiltinType::Int: | |||
4804 | case clang::BuiltinType::Long: | |||
4805 | case clang::BuiltinType::LongLong: | |||
4806 | case clang::BuiltinType::Int128: | |||
4807 | return lldb::eEncodingSint; | |||
4808 | ||||
4809 | case clang::BuiltinType::Bool: | |||
4810 | case clang::BuiltinType::Char_U: | |||
4811 | case clang::BuiltinType::UChar: | |||
4812 | case clang::BuiltinType::WChar_U: | |||
4813 | case clang::BuiltinType::Char8: | |||
4814 | case clang::BuiltinType::Char16: | |||
4815 | case clang::BuiltinType::Char32: | |||
4816 | case clang::BuiltinType::UShort: | |||
4817 | case clang::BuiltinType::UInt: | |||
4818 | case clang::BuiltinType::ULong: | |||
4819 | case clang::BuiltinType::ULongLong: | |||
4820 | case clang::BuiltinType::UInt128: | |||
4821 | return lldb::eEncodingUint; | |||
4822 | ||||
4823 | // Fixed point types. Note that they are currently ignored. | |||
4824 | case clang::BuiltinType::ShortAccum: | |||
4825 | case clang::BuiltinType::Accum: | |||
4826 | case clang::BuiltinType::LongAccum: | |||
4827 | case clang::BuiltinType::UShortAccum: | |||
4828 | case clang::BuiltinType::UAccum: | |||
4829 | case clang::BuiltinType::ULongAccum: | |||
4830 | case clang::BuiltinType::ShortFract: | |||
4831 | case clang::BuiltinType::Fract: | |||
4832 | case clang::BuiltinType::LongFract: | |||
4833 | case clang::BuiltinType::UShortFract: | |||
4834 | case clang::BuiltinType::UFract: | |||
4835 | case clang::BuiltinType::ULongFract: | |||
4836 | case clang::BuiltinType::SatShortAccum: | |||
4837 | case clang::BuiltinType::SatAccum: | |||
4838 | case clang::BuiltinType::SatLongAccum: | |||
4839 | case clang::BuiltinType::SatUShortAccum: | |||
4840 | case clang::BuiltinType::SatUAccum: | |||
4841 | case clang::BuiltinType::SatULongAccum: | |||
4842 | case clang::BuiltinType::SatShortFract: | |||
4843 | case clang::BuiltinType::SatFract: | |||
4844 | case clang::BuiltinType::SatLongFract: | |||
4845 | case clang::BuiltinType::SatUShortFract: | |||
4846 | case clang::BuiltinType::SatUFract: | |||
4847 | case clang::BuiltinType::SatULongFract: | |||
4848 | break; | |||
4849 | ||||
4850 | case clang::BuiltinType::Half: | |||
4851 | case clang::BuiltinType::Float: | |||
4852 | case clang::BuiltinType::Float16: | |||
4853 | case clang::BuiltinType::Float128: | |||
4854 | case clang::BuiltinType::Double: | |||
4855 | case clang::BuiltinType::LongDouble: | |||
4856 | case clang::BuiltinType::BFloat16: | |||
4857 | case clang::BuiltinType::Ibm128: | |||
4858 | return lldb::eEncodingIEEE754; | |||
4859 | ||||
4860 | case clang::BuiltinType::ObjCClass: | |||
4861 | case clang::BuiltinType::ObjCId: | |||
4862 | case clang::BuiltinType::ObjCSel: | |||
4863 | return lldb::eEncodingUint; | |||
4864 | ||||
4865 | case clang::BuiltinType::NullPtr: | |||
4866 | return lldb::eEncodingUint; | |||
4867 | ||||
4868 | case clang::BuiltinType::Kind::ARCUnbridgedCast: | |||
4869 | case clang::BuiltinType::Kind::BoundMember: | |||
4870 | case clang::BuiltinType::Kind::BuiltinFn: | |||
4871 | case clang::BuiltinType::Kind::Dependent: | |||
4872 | case clang::BuiltinType::Kind::OCLClkEvent: | |||
4873 | case clang::BuiltinType::Kind::OCLEvent: | |||
4874 | case clang::BuiltinType::Kind::OCLImage1dRO: | |||
4875 | case clang::BuiltinType::Kind::OCLImage1dWO: | |||
4876 | case clang::BuiltinType::Kind::OCLImage1dRW: | |||
4877 | case clang::BuiltinType::Kind::OCLImage1dArrayRO: | |||
4878 | case clang::BuiltinType::Kind::OCLImage1dArrayWO: | |||
4879 | case clang::BuiltinType::Kind::OCLImage1dArrayRW: | |||
4880 | case clang::BuiltinType::Kind::OCLImage1dBufferRO: | |||
4881 | case clang::BuiltinType::Kind::OCLImage1dBufferWO: | |||
4882 | case clang::BuiltinType::Kind::OCLImage1dBufferRW: | |||
4883 | case clang::BuiltinType::Kind::OCLImage2dRO: | |||
4884 | case clang::BuiltinType::Kind::OCLImage2dWO: | |||
4885 | case clang::BuiltinType::Kind::OCLImage2dRW: | |||
4886 | case clang::BuiltinType::Kind::OCLImage2dArrayRO: | |||
4887 | case clang::BuiltinType::Kind::OCLImage2dArrayWO: | |||
4888 | case clang::BuiltinType::Kind::OCLImage2dArrayRW: | |||
4889 | case clang::BuiltinType::Kind::OCLImage2dArrayDepthRO: | |||
4890 | case clang::BuiltinType::Kind::OCLImage2dArrayDepthWO: | |||
4891 | case clang::BuiltinType::Kind::OCLImage2dArrayDepthRW: | |||
4892 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAARO: | |||
4893 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAAWO: | |||
4894 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAARW: | |||
4895 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAADepthRO: | |||
4896 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAADepthWO: | |||
4897 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAADepthRW: | |||
4898 | case clang::BuiltinType::Kind::OCLImage2dDepthRO: | |||
4899 | case clang::BuiltinType::Kind::OCLImage2dDepthWO: | |||
4900 | case clang::BuiltinType::Kind::OCLImage2dDepthRW: | |||
4901 | case clang::BuiltinType::Kind::OCLImage2dMSAARO: | |||
4902 | case clang::BuiltinType::Kind::OCLImage2dMSAAWO: | |||
4903 | case clang::BuiltinType::Kind::OCLImage2dMSAARW: | |||
4904 | case clang::BuiltinType::Kind::OCLImage2dMSAADepthRO: | |||
4905 | case clang::BuiltinType::Kind::OCLImage2dMSAADepthWO: | |||
4906 | case clang::BuiltinType::Kind::OCLImage2dMSAADepthRW: | |||
4907 | case clang::BuiltinType::Kind::OCLImage3dRO: | |||
4908 | case clang::BuiltinType::Kind::OCLImage3dWO: | |||
4909 | case clang::BuiltinType::Kind::OCLImage3dRW: | |||
4910 | case clang::BuiltinType::Kind::OCLQueue: | |||
4911 | case clang::BuiltinType::Kind::OCLReserveID: | |||
4912 | case clang::BuiltinType::Kind::OCLSampler: | |||
4913 | case clang::BuiltinType::Kind::OMPArraySection: | |||
4914 | case clang::BuiltinType::Kind::OMPArrayShaping: | |||
4915 | case clang::BuiltinType::Kind::OMPIterator: | |||
4916 | case clang::BuiltinType::Kind::Overload: | |||
4917 | case clang::BuiltinType::Kind::PseudoObject: | |||
4918 | case clang::BuiltinType::Kind::UnknownAny: | |||
4919 | break; | |||
4920 | ||||
4921 | case clang::BuiltinType::OCLIntelSubgroupAVCMcePayload: | |||
4922 | case clang::BuiltinType::OCLIntelSubgroupAVCImePayload: | |||
4923 | case clang::BuiltinType::OCLIntelSubgroupAVCRefPayload: | |||
4924 | case clang::BuiltinType::OCLIntelSubgroupAVCSicPayload: | |||
4925 | case clang::BuiltinType::OCLIntelSubgroupAVCMceResult: | |||
4926 | case clang::BuiltinType::OCLIntelSubgroupAVCImeResult: | |||
4927 | case clang::BuiltinType::OCLIntelSubgroupAVCRefResult: | |||
4928 | case clang::BuiltinType::OCLIntelSubgroupAVCSicResult: | |||
4929 | case clang::BuiltinType::OCLIntelSubgroupAVCImeResultSingleRefStreamout: | |||
4930 | case clang::BuiltinType::OCLIntelSubgroupAVCImeResultDualRefStreamout: | |||
4931 | case clang::BuiltinType::OCLIntelSubgroupAVCImeSingleRefStreamin: | |||
4932 | case clang::BuiltinType::OCLIntelSubgroupAVCImeDualRefStreamin: | |||
4933 | break; | |||
4934 | ||||
4935 | // PowerPC -- Matrix Multiply Assist | |||
4936 | case clang::BuiltinType::VectorPair: | |||
4937 | case clang::BuiltinType::VectorQuad: | |||
4938 | break; | |||
4939 | ||||
4940 | // ARM -- Scalable Vector Extension | |||
4941 | case clang::BuiltinType::SveBool: | |||
4942 | case clang::BuiltinType::SveInt8: | |||
4943 | case clang::BuiltinType::SveInt8x2: | |||
4944 | case clang::BuiltinType::SveInt8x3: | |||
4945 | case clang::BuiltinType::SveInt8x4: | |||
4946 | case clang::BuiltinType::SveInt16: | |||
4947 | case clang::BuiltinType::SveInt16x2: | |||
4948 | case clang::BuiltinType::SveInt16x3: | |||
4949 | case clang::BuiltinType::SveInt16x4: | |||
4950 | case clang::BuiltinType::SveInt32: | |||
4951 | case clang::BuiltinType::SveInt32x2: | |||
4952 | case clang::BuiltinType::SveInt32x3: | |||
4953 | case clang::BuiltinType::SveInt32x4: | |||
4954 | case clang::BuiltinType::SveInt64: | |||
4955 | case clang::BuiltinType::SveInt64x2: | |||
4956 | case clang::BuiltinType::SveInt64x3: | |||
4957 | case clang::BuiltinType::SveInt64x4: | |||
4958 | case clang::BuiltinType::SveUint8: | |||
4959 | case clang::BuiltinType::SveUint8x2: | |||
4960 | case clang::BuiltinType::SveUint8x3: | |||
4961 | case clang::BuiltinType::SveUint8x4: | |||
4962 | case clang::BuiltinType::SveUint16: | |||
4963 | case clang::BuiltinType::SveUint16x2: | |||
4964 | case clang::BuiltinType::SveUint16x3: | |||
4965 | case clang::BuiltinType::SveUint16x4: | |||
4966 | case clang::BuiltinType::SveUint32: | |||
4967 | case clang::BuiltinType::SveUint32x2: | |||
4968 | case clang::BuiltinType::SveUint32x3: | |||
4969 | case clang::BuiltinType::SveUint32x4: | |||
4970 | case clang::BuiltinType::SveUint64: | |||
4971 | case clang::BuiltinType::SveUint64x2: | |||
4972 | case clang::BuiltinType::SveUint64x3: | |||
4973 | case clang::BuiltinType::SveUint64x4: | |||
4974 | case clang::BuiltinType::SveFloat16: | |||
4975 | case clang::BuiltinType::SveBFloat16: | |||
4976 | case clang::BuiltinType::SveBFloat16x2: | |||
4977 | case clang::BuiltinType::SveBFloat16x3: | |||
4978 | case clang::BuiltinType::SveBFloat16x4: | |||
4979 | case clang::BuiltinType::SveFloat16x2: | |||
4980 | case clang::BuiltinType::SveFloat16x3: | |||
4981 | case clang::BuiltinType::SveFloat16x4: | |||
4982 | case clang::BuiltinType::SveFloat32: | |||
4983 | case clang::BuiltinType::SveFloat32x2: | |||
4984 | case clang::BuiltinType::SveFloat32x3: | |||
4985 | case clang::BuiltinType::SveFloat32x4: | |||
4986 | case clang::BuiltinType::SveFloat64: | |||
4987 | case clang::BuiltinType::SveFloat64x2: | |||
4988 | case clang::BuiltinType::SveFloat64x3: | |||
4989 | case clang::BuiltinType::SveFloat64x4: | |||
4990 | break; | |||
4991 | ||||
4992 | // RISC-V V builtin types. | |||
4993 | case clang::BuiltinType::RvvInt8mf8: | |||
4994 | case clang::BuiltinType::RvvInt8mf4: | |||
4995 | case clang::BuiltinType::RvvInt8mf2: | |||
4996 | case clang::BuiltinType::RvvInt8m1: | |||
4997 | case clang::BuiltinType::RvvInt8m2: | |||
4998 | case clang::BuiltinType::RvvInt8m4: | |||
4999 | case clang::BuiltinType::RvvInt8m8: | |||
5000 | case clang::BuiltinType::RvvUint8mf8: | |||
5001 | case clang::BuiltinType::RvvUint8mf4: | |||
5002 | case clang::BuiltinType::RvvUint8mf2: | |||
5003 | case clang::BuiltinType::RvvUint8m1: | |||
5004 | case clang::BuiltinType::RvvUint8m2: | |||
5005 | case clang::BuiltinType::RvvUint8m4: | |||
5006 | case clang::BuiltinType::RvvUint8m8: | |||
5007 | case clang::BuiltinType::RvvInt16mf4: | |||
5008 | case clang::BuiltinType::RvvInt16mf2: | |||
5009 | case clang::BuiltinType::RvvInt16m1: | |||
5010 | case clang::BuiltinType::RvvInt16m2: | |||
5011 | case clang::BuiltinType::RvvInt16m4: | |||
5012 | case clang::BuiltinType::RvvInt16m8: | |||
5013 | case clang::BuiltinType::RvvUint16mf4: | |||
5014 | case clang::BuiltinType::RvvUint16mf2: | |||
5015 | case clang::BuiltinType::RvvUint16m1: | |||
5016 | case clang::BuiltinType::RvvUint16m2: | |||
5017 | case clang::BuiltinType::RvvUint16m4: | |||
5018 | case clang::BuiltinType::RvvUint16m8: | |||
5019 | case clang::BuiltinType::RvvInt32mf2: | |||
5020 | case clang::BuiltinType::RvvInt32m1: | |||
5021 | case clang::BuiltinType::RvvInt32m2: | |||
5022 | case clang::BuiltinType::RvvInt32m4: | |||
5023 | case clang::BuiltinType::RvvInt32m8: | |||
5024 | case clang::BuiltinType::RvvUint32mf2: | |||
5025 | case clang::BuiltinType::RvvUint32m1: | |||
5026 | case clang::BuiltinType::RvvUint32m2: | |||
5027 | case clang::BuiltinType::RvvUint32m4: | |||
5028 | case clang::BuiltinType::RvvUint32m8: | |||
5029 | case clang::BuiltinType::RvvInt64m1: | |||
5030 | case clang::BuiltinType::RvvInt64m2: | |||
5031 | case clang::BuiltinType::RvvInt64m4: | |||
5032 | case clang::BuiltinType::RvvInt64m8: | |||
5033 | case clang::BuiltinType::RvvUint64m1: | |||
5034 | case clang::BuiltinType::RvvUint64m2: | |||
5035 | case clang::BuiltinType::RvvUint64m4: | |||
5036 | case clang::BuiltinType::RvvUint64m8: | |||
5037 | case clang::BuiltinType::RvvFloat16mf4: | |||
5038 | case clang::BuiltinType::RvvFloat16mf2: | |||
5039 | case clang::BuiltinType::RvvFloat16m1: | |||
5040 | case clang::BuiltinType::RvvFloat16m2: | |||
5041 | case clang::BuiltinType::RvvFloat16m4: | |||
5042 | case clang::BuiltinType::RvvFloat16m8: | |||
5043 | case clang::BuiltinType::RvvFloat32mf2: | |||
5044 | case clang::BuiltinType::RvvFloat32m1: | |||
5045 | case clang::BuiltinType::RvvFloat32m2: | |||
5046 | case clang::BuiltinType::RvvFloat32m4: | |||
5047 | case clang::BuiltinType::RvvFloat32m8: | |||
5048 | case clang::BuiltinType::RvvFloat64m1: | |||
5049 | case clang::BuiltinType::RvvFloat64m2: | |||
5050 | case clang::BuiltinType::RvvFloat64m4: | |||
5051 | case clang::BuiltinType::RvvFloat64m8: | |||
5052 | case clang::BuiltinType::RvvBool1: | |||
5053 | case clang::BuiltinType::RvvBool2: | |||
5054 | case clang::BuiltinType::RvvBool4: | |||
5055 | case clang::BuiltinType::RvvBool8: | |||
5056 | case clang::BuiltinType::RvvBool16: | |||
5057 | case clang::BuiltinType::RvvBool32: | |||
5058 | case clang::BuiltinType::RvvBool64: | |||
5059 | break; | |||
5060 | ||||
5061 | case clang::BuiltinType::IncompleteMatrixIdx: | |||
5062 | break; | |||
5063 | } | |||
5064 | break; | |||
5065 | // All pointer types are represented as unsigned integer encodings. We may | |||
5066 | // nee to add a eEncodingPointer if we ever need to know the difference | |||
5067 | case clang::Type::ObjCObjectPointer: | |||
5068 | case clang::Type::BlockPointer: | |||
5069 | case clang::Type::Pointer: | |||
5070 | case clang::Type::LValueReference: | |||
5071 | case clang::Type::RValueReference: | |||
5072 | case clang::Type::MemberPointer: | |||
5073 | return lldb::eEncodingUint; | |||
5074 | case clang::Type::Complex: { | |||
5075 | lldb::Encoding encoding = lldb::eEncodingIEEE754; | |||
5076 | if (qual_type->isComplexType()) | |||
5077 | encoding = lldb::eEncodingIEEE754; | |||
5078 | else { | |||
5079 | const clang::ComplexType *complex_type = | |||
5080 | qual_type->getAsComplexIntegerType(); | |||
5081 | if (complex_type) | |||
5082 | encoding = GetType(complex_type->getElementType()).GetEncoding(count); | |||
5083 | else | |||
5084 | encoding = lldb::eEncodingSint; | |||
5085 | } | |||
5086 | count = 2; | |||
5087 | return encoding; | |||
5088 | } | |||
5089 | ||||
5090 | case clang::Type::ObjCInterface: | |||
5091 | break; | |||
5092 | case clang::Type::Record: | |||
5093 | break; | |||
5094 | case clang::Type::Enum: | |||
5095 | return lldb::eEncodingSint; | |||
5096 | case clang::Type::DependentSizedArray: | |||
5097 | case clang::Type::DependentSizedExtVector: | |||
5098 | case clang::Type::UnresolvedUsing: | |||
5099 | case clang::Type::Attributed: | |||
5100 | case clang::Type::TemplateTypeParm: | |||
5101 | case clang::Type::SubstTemplateTypeParm: | |||
5102 | case clang::Type::SubstTemplateTypeParmPack: | |||
5103 | case clang::Type::InjectedClassName: | |||
5104 | case clang::Type::DependentName: | |||
5105 | case clang::Type::DependentTemplateSpecialization: | |||
5106 | case clang::Type::PackExpansion: | |||
5107 | case clang::Type::ObjCObject: | |||
5108 | ||||
5109 | case clang::Type::TemplateSpecialization: | |||
5110 | case clang::Type::DeducedTemplateSpecialization: | |||
5111 | case clang::Type::Adjusted: | |||
5112 | case clang::Type::Pipe: | |||
5113 | break; | |||
5114 | ||||
5115 | // pointer type decayed from an array or function type. | |||
5116 | case clang::Type::Decayed: | |||
5117 | break; | |||
5118 | case clang::Type::ObjCTypeParam: | |||
5119 | break; | |||
5120 | ||||
5121 | case clang::Type::DependentAddressSpace: | |||
5122 | break; | |||
5123 | case clang::Type::MacroQualified: | |||
5124 | break; | |||
5125 | ||||
5126 | case clang::Type::ConstantMatrix: | |||
5127 | case clang::Type::DependentSizedMatrix: | |||
5128 | break; | |||
5129 | } | |||
5130 | count = 0; | |||
5131 | return lldb::eEncodingInvalid; | |||
5132 | } | |||
5133 | ||||
5134 | lldb::Format TypeSystemClang::GetFormat(lldb::opaque_compiler_type_t type) { | |||
5135 | if (!type) | |||
5136 | return lldb::eFormatDefault; | |||
5137 | ||||
5138 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
5139 | ||||
5140 | switch (qual_type->getTypeClass()) { | |||
5141 | case clang::Type::Atomic: | |||
5142 | case clang::Type::Auto: | |||
5143 | case clang::Type::Decltype: | |||
5144 | case clang::Type::Elaborated: | |||
5145 | case clang::Type::Paren: | |||
5146 | case clang::Type::Typedef: | |||
5147 | case clang::Type::TypeOf: | |||
5148 | case clang::Type::TypeOfExpr: | |||
5149 | case clang::Type::Using: | |||
5150 | llvm_unreachable("Handled in RemoveWrappingTypes!")::llvm::llvm_unreachable_internal("Handled in RemoveWrappingTypes!" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 5150); | |||
5151 | case clang::Type::UnaryTransform: | |||
5152 | break; | |||
5153 | ||||
5154 | case clang::Type::FunctionNoProto: | |||
5155 | case clang::Type::FunctionProto: | |||
5156 | break; | |||
5157 | ||||
5158 | case clang::Type::IncompleteArray: | |||
5159 | case clang::Type::VariableArray: | |||
5160 | break; | |||
5161 | ||||
5162 | case clang::Type::ConstantArray: | |||
5163 | return lldb::eFormatVoid; // no value | |||
5164 | ||||
5165 | case clang::Type::DependentVector: | |||
5166 | case clang::Type::ExtVector: | |||
5167 | case clang::Type::Vector: | |||
5168 | break; | |||
5169 | ||||
5170 | case clang::Type::BitInt: | |||
5171 | case clang::Type::DependentBitInt: | |||
5172 | return qual_type->isUnsignedIntegerType() ? lldb::eFormatUnsigned | |||
5173 | : lldb::eFormatDecimal; | |||
5174 | ||||
5175 | case clang::Type::Builtin: | |||
5176 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { | |||
5177 | case clang::BuiltinType::UnknownAny: | |||
5178 | case clang::BuiltinType::Void: | |||
5179 | case clang::BuiltinType::BoundMember: | |||
5180 | break; | |||
5181 | ||||
5182 | case clang::BuiltinType::Bool: | |||
5183 | return lldb::eFormatBoolean; | |||
5184 | case clang::BuiltinType::Char_S: | |||
5185 | case clang::BuiltinType::SChar: | |||
5186 | case clang::BuiltinType::WChar_S: | |||
5187 | case clang::BuiltinType::Char_U: | |||
5188 | case clang::BuiltinType::UChar: | |||
5189 | case clang::BuiltinType::WChar_U: | |||
5190 | return lldb::eFormatChar; | |||
5191 | case clang::BuiltinType::Char8: | |||
5192 | return lldb::eFormatUnicode8; | |||
5193 | case clang::BuiltinType::Char16: | |||
5194 | return lldb::eFormatUnicode16; | |||
5195 | case clang::BuiltinType::Char32: | |||
5196 | return lldb::eFormatUnicode32; | |||
5197 | case clang::BuiltinType::UShort: | |||
5198 | return lldb::eFormatUnsigned; | |||
5199 | case clang::BuiltinType::Short: | |||
5200 | return lldb::eFormatDecimal; | |||
5201 | case clang::BuiltinType::UInt: | |||
5202 | return lldb::eFormatUnsigned; | |||
5203 | case clang::BuiltinType::Int: | |||
5204 | return lldb::eFormatDecimal; | |||
5205 | case clang::BuiltinType::ULong: | |||
5206 | return lldb::eFormatUnsigned; | |||
5207 | case clang::BuiltinType::Long: | |||
5208 | return lldb::eFormatDecimal; | |||
5209 | case clang::BuiltinType::ULongLong: | |||
5210 | return lldb::eFormatUnsigned; | |||
5211 | case clang::BuiltinType::LongLong: | |||
5212 | return lldb::eFormatDecimal; | |||
5213 | case clang::BuiltinType::UInt128: | |||
5214 | return lldb::eFormatUnsigned; | |||
5215 | case clang::BuiltinType::Int128: | |||
5216 | return lldb::eFormatDecimal; | |||
5217 | case clang::BuiltinType::Half: | |||
5218 | case clang::BuiltinType::Float: | |||
5219 | case clang::BuiltinType::Double: | |||
5220 | case clang::BuiltinType::LongDouble: | |||
5221 | return lldb::eFormatFloat; | |||
5222 | default: | |||
5223 | return lldb::eFormatHex; | |||
5224 | } | |||
5225 | break; | |||
5226 | case clang::Type::ObjCObjectPointer: | |||
5227 | return lldb::eFormatHex; | |||
5228 | case clang::Type::BlockPointer: | |||
5229 | return lldb::eFormatHex; | |||
5230 | case clang::Type::Pointer: | |||
5231 | return lldb::eFormatHex; | |||
5232 | case clang::Type::LValueReference: | |||
5233 | case clang::Type::RValueReference: | |||
5234 | return lldb::eFormatHex; | |||
5235 | case clang::Type::MemberPointer: | |||
5236 | break; | |||
5237 | case clang::Type::Complex: { | |||
5238 | if (qual_type->isComplexType()) | |||
5239 | return lldb::eFormatComplex; | |||
5240 | else | |||
5241 | return lldb::eFormatComplexInteger; | |||
5242 | } | |||
5243 | case clang::Type::ObjCInterface: | |||
5244 | break; | |||
5245 | case clang::Type::Record: | |||
5246 | break; | |||
5247 | case clang::Type::Enum: | |||
5248 | return lldb::eFormatEnum; | |||
5249 | case clang::Type::DependentSizedArray: | |||
5250 | case clang::Type::DependentSizedExtVector: | |||
5251 | case clang::Type::UnresolvedUsing: | |||
5252 | case clang::Type::Attributed: | |||
5253 | case clang::Type::TemplateTypeParm: | |||
5254 | case clang::Type::SubstTemplateTypeParm: | |||
5255 | case clang::Type::SubstTemplateTypeParmPack: | |||
5256 | case clang::Type::InjectedClassName: | |||
5257 | case clang::Type::DependentName: | |||
5258 | case clang::Type::DependentTemplateSpecialization: | |||
5259 | case clang::Type::PackExpansion: | |||
5260 | case clang::Type::ObjCObject: | |||
5261 | ||||
5262 | case clang::Type::TemplateSpecialization: | |||
5263 | case clang::Type::DeducedTemplateSpecialization: | |||
5264 | case clang::Type::Adjusted: | |||
5265 | case clang::Type::Pipe: | |||
5266 | break; | |||
5267 | ||||
5268 | // pointer type decayed from an array or function type. | |||
5269 | case clang::Type::Decayed: | |||
5270 | break; | |||
5271 | case clang::Type::ObjCTypeParam: | |||
5272 | break; | |||
5273 | ||||
5274 | case clang::Type::DependentAddressSpace: | |||
5275 | break; | |||
5276 | case clang::Type::MacroQualified: | |||
5277 | break; | |||
5278 | ||||
5279 | // Matrix types we're not sure how to display yet. | |||
5280 | case clang::Type::ConstantMatrix: | |||
5281 | case clang::Type::DependentSizedMatrix: | |||
5282 | break; | |||
5283 | } | |||
5284 | // We don't know hot to display this type... | |||
5285 | return lldb::eFormatBytes; | |||
5286 | } | |||
5287 | ||||
5288 | static bool ObjCDeclHasIVars(clang::ObjCInterfaceDecl *class_interface_decl, | |||
5289 | bool check_superclass) { | |||
5290 | while (class_interface_decl) { | |||
5291 | if (class_interface_decl->ivar_size() > 0) | |||
5292 | return true; | |||
5293 | ||||
5294 | if (check_superclass) | |||
5295 | class_interface_decl = class_interface_decl->getSuperClass(); | |||
5296 | else | |||
5297 | break; | |||
5298 | } | |||
5299 | return false; | |||
5300 | } | |||
5301 | ||||
5302 | static Optional<SymbolFile::ArrayInfo> | |||
5303 | GetDynamicArrayInfo(TypeSystemClang &ast, SymbolFile *sym_file, | |||
5304 | clang::QualType qual_type, | |||
5305 | const ExecutionContext *exe_ctx) { | |||
5306 | if (qual_type->isIncompleteArrayType()) | |||
5307 | if (auto *metadata = ast.GetMetadata(qual_type.getTypePtr())) | |||
5308 | return sym_file->GetDynamicArrayInfoForUID(metadata->GetUserID(), | |||
5309 | exe_ctx); | |||
5310 | return llvm::None; | |||
5311 | } | |||
5312 | ||||
5313 | uint32_t TypeSystemClang::GetNumChildren(lldb::opaque_compiler_type_t type, | |||
5314 | bool omit_empty_base_classes, | |||
5315 | const ExecutionContext *exe_ctx) { | |||
5316 | if (!type) | |||
5317 | return 0; | |||
5318 | ||||
5319 | uint32_t num_children = 0; | |||
5320 | clang::QualType qual_type(RemoveWrappingTypes(GetQualType(type))); | |||
5321 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
5322 | switch (type_class) { | |||
5323 | case clang::Type::Builtin: | |||
5324 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { | |||
5325 | case clang::BuiltinType::ObjCId: // child is Class | |||
5326 | case clang::BuiltinType::ObjCClass: // child is Class | |||
5327 | num_children = 1; | |||
5328 | break; | |||
5329 | ||||
5330 | default: | |||
5331 | break; | |||
5332 | } | |||
5333 | break; | |||
5334 | ||||
5335 | case clang::Type::Complex: | |||
5336 | return 0; | |||
5337 | case clang::Type::Record: | |||
5338 | if (GetCompleteQualType(&getASTContext(), qual_type)) { | |||
5339 | const clang::RecordType *record_type = | |||
5340 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); | |||
5341 | const clang::RecordDecl *record_decl = record_type->getDecl(); | |||
5342 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 5342, __extension__ __PRETTY_FUNCTION__)); | |||
5343 | const clang::CXXRecordDecl *cxx_record_decl = | |||
5344 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); | |||
5345 | if (cxx_record_decl) { | |||
5346 | if (omit_empty_base_classes) { | |||
5347 | // Check each base classes to see if it or any of its base classes | |||
5348 | // contain any fields. This can help limit the noise in variable | |||
5349 | // views by not having to show base classes that contain no members. | |||
5350 | clang::CXXRecordDecl::base_class_const_iterator base_class, | |||
5351 | base_class_end; | |||
5352 | for (base_class = cxx_record_decl->bases_begin(), | |||
5353 | base_class_end = cxx_record_decl->bases_end(); | |||
5354 | base_class != base_class_end; ++base_class) { | |||
5355 | const clang::CXXRecordDecl *base_class_decl = | |||
5356 | llvm::cast<clang::CXXRecordDecl>( | |||
5357 | base_class->getType() | |||
5358 | ->getAs<clang::RecordType>() | |||
5359 | ->getDecl()); | |||
5360 | ||||
5361 | // Skip empty base classes | |||
5362 | if (!TypeSystemClang::RecordHasFields(base_class_decl)) | |||
5363 | continue; | |||
5364 | ||||
5365 | num_children++; | |||
5366 | } | |||
5367 | } else { | |||
5368 | // Include all base classes | |||
5369 | num_children += cxx_record_decl->getNumBases(); | |||
5370 | } | |||
5371 | } | |||
5372 | clang::RecordDecl::field_iterator field, field_end; | |||
5373 | for (field = record_decl->field_begin(), | |||
5374 | field_end = record_decl->field_end(); | |||
5375 | field != field_end; ++field) | |||
5376 | ++num_children; | |||
5377 | } | |||
5378 | break; | |||
5379 | ||||
5380 | case clang::Type::ObjCObject: | |||
5381 | case clang::Type::ObjCInterface: | |||
5382 | if (GetCompleteQualType(&getASTContext(), qual_type)) { | |||
5383 | const clang::ObjCObjectType *objc_class_type = | |||
5384 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); | |||
5385 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 5385, __extension__ __PRETTY_FUNCTION__)); | |||
5386 | if (objc_class_type) { | |||
5387 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
5388 | objc_class_type->getInterface(); | |||
5389 | ||||
5390 | if (class_interface_decl) { | |||
5391 | ||||
5392 | clang::ObjCInterfaceDecl *superclass_interface_decl = | |||
5393 | class_interface_decl->getSuperClass(); | |||
5394 | if (superclass_interface_decl) { | |||
5395 | if (omit_empty_base_classes) { | |||
5396 | if (ObjCDeclHasIVars(superclass_interface_decl, true)) | |||
5397 | ++num_children; | |||
5398 | } else | |||
5399 | ++num_children; | |||
5400 | } | |||
5401 | ||||
5402 | num_children += class_interface_decl->ivar_size(); | |||
5403 | } | |||
5404 | } | |||
5405 | } | |||
5406 | break; | |||
5407 | ||||
5408 | case clang::Type::LValueReference: | |||
5409 | case clang::Type::RValueReference: | |||
5410 | case clang::Type::ObjCObjectPointer: { | |||
5411 | CompilerType pointee_clang_type(GetPointeeType(type)); | |||
5412 | ||||
5413 | uint32_t num_pointee_children = 0; | |||
5414 | if (pointee_clang_type.IsAggregateType()) | |||
5415 | num_pointee_children = | |||
5416 | pointee_clang_type.GetNumChildren(omit_empty_base_classes, exe_ctx); | |||
5417 | // If this type points to a simple type, then it has 1 child | |||
5418 | if (num_pointee_children == 0) | |||
5419 | num_children = 1; | |||
5420 | else | |||
5421 | num_children = num_pointee_children; | |||
5422 | } break; | |||
5423 | ||||
5424 | case clang::Type::Vector: | |||
5425 | case clang::Type::ExtVector: | |||
5426 | num_children = | |||
5427 | llvm::cast<clang::VectorType>(qual_type.getTypePtr())->getNumElements(); | |||
5428 | break; | |||
5429 | ||||
5430 | case clang::Type::ConstantArray: | |||
5431 | num_children = llvm::cast<clang::ConstantArrayType>(qual_type.getTypePtr()) | |||
5432 | ->getSize() | |||
5433 | .getLimitedValue(); | |||
5434 | break; | |||
5435 | case clang::Type::IncompleteArray: | |||
5436 | if (auto array_info = | |||
5437 | GetDynamicArrayInfo(*this, GetSymbolFile(), qual_type, exe_ctx)) | |||
5438 | // Only 1-dimensional arrays are supported. | |||
5439 | num_children = array_info->element_orders.size() | |||
5440 | ? array_info->element_orders.back() | |||
5441 | : 0; | |||
5442 | break; | |||
5443 | ||||
5444 | case clang::Type::Pointer: { | |||
5445 | const clang::PointerType *pointer_type = | |||
5446 | llvm::cast<clang::PointerType>(qual_type.getTypePtr()); | |||
5447 | clang::QualType pointee_type(pointer_type->getPointeeType()); | |||
5448 | CompilerType pointee_clang_type(GetType(pointee_type)); | |||
5449 | uint32_t num_pointee_children = 0; | |||
5450 | if (pointee_clang_type.IsAggregateType()) | |||
5451 | num_pointee_children = | |||
5452 | pointee_clang_type.GetNumChildren(omit_empty_base_classes, exe_ctx); | |||
5453 | if (num_pointee_children == 0) { | |||
5454 | // We have a pointer to a pointee type that claims it has no children. We | |||
5455 | // will want to look at | |||
5456 | num_children = GetNumPointeeChildren(pointee_type); | |||
5457 | } else | |||
5458 | num_children = num_pointee_children; | |||
5459 | } break; | |||
5460 | ||||
5461 | default: | |||
5462 | break; | |||
5463 | } | |||
5464 | return num_children; | |||
5465 | } | |||
5466 | ||||
5467 | CompilerType TypeSystemClang::GetBuiltinTypeByName(ConstString name) { | |||
5468 | return GetBasicType(GetBasicTypeEnumeration(name)); | |||
5469 | } | |||
5470 | ||||
5471 | lldb::BasicType | |||
5472 | TypeSystemClang::GetBasicTypeEnumeration(lldb::opaque_compiler_type_t type) { | |||
5473 | if (type) { | |||
5474 | clang::QualType qual_type(GetQualType(type)); | |||
5475 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
5476 | if (type_class == clang::Type::Builtin) { | |||
5477 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { | |||
5478 | case clang::BuiltinType::Void: | |||
5479 | return eBasicTypeVoid; | |||
5480 | case clang::BuiltinType::Bool: | |||
5481 | return eBasicTypeBool; | |||
5482 | case clang::BuiltinType::Char_S: | |||
5483 | return eBasicTypeSignedChar; | |||
5484 | case clang::BuiltinType::Char_U: | |||
5485 | return eBasicTypeUnsignedChar; | |||
5486 | case clang::BuiltinType::Char16: | |||
5487 | return eBasicTypeChar16; | |||
5488 | case clang::BuiltinType::Char32: | |||
5489 | return eBasicTypeChar32; | |||
5490 | case clang::BuiltinType::UChar: | |||
5491 | return eBasicTypeUnsignedChar; | |||
5492 | case clang::BuiltinType::SChar: | |||
5493 | return eBasicTypeSignedChar; | |||
5494 | case clang::BuiltinType::WChar_S: | |||
5495 | return eBasicTypeSignedWChar; | |||
5496 | case clang::BuiltinType::WChar_U: | |||
5497 | return eBasicTypeUnsignedWChar; | |||
5498 | case clang::BuiltinType::Short: | |||
5499 | return eBasicTypeShort; | |||
5500 | case clang::BuiltinType::UShort: | |||
5501 | return eBasicTypeUnsignedShort; | |||
5502 | case clang::BuiltinType::Int: | |||
5503 | return eBasicTypeInt; | |||
5504 | case clang::BuiltinType::UInt: | |||
5505 | return eBasicTypeUnsignedInt; | |||
5506 | case clang::BuiltinType::Long: | |||
5507 | return eBasicTypeLong; | |||
5508 | case clang::BuiltinType::ULong: | |||
5509 | return eBasicTypeUnsignedLong; | |||
5510 | case clang::BuiltinType::LongLong: | |||
5511 | return eBasicTypeLongLong; | |||
5512 | case clang::BuiltinType::ULongLong: | |||
5513 | return eBasicTypeUnsignedLongLong; | |||
5514 | case clang::BuiltinType::Int128: | |||
5515 | return eBasicTypeInt128; | |||
5516 | case clang::BuiltinType::UInt128: | |||
5517 | return eBasicTypeUnsignedInt128; | |||
5518 | ||||
5519 | case clang::BuiltinType::Half: | |||
5520 | return eBasicTypeHalf; | |||
5521 | case clang::BuiltinType::Float: | |||
5522 | return eBasicTypeFloat; | |||
5523 | case clang::BuiltinType::Double: | |||
5524 | return eBasicTypeDouble; | |||
5525 | case clang::BuiltinType::LongDouble: | |||
5526 | return eBasicTypeLongDouble; | |||
5527 | ||||
5528 | case clang::BuiltinType::NullPtr: | |||
5529 | return eBasicTypeNullPtr; | |||
5530 | case clang::BuiltinType::ObjCId: | |||
5531 | return eBasicTypeObjCID; | |||
5532 | case clang::BuiltinType::ObjCClass: | |||
5533 | return eBasicTypeObjCClass; | |||
5534 | case clang::BuiltinType::ObjCSel: | |||
5535 | return eBasicTypeObjCSel; | |||
5536 | default: | |||
5537 | return eBasicTypeOther; | |||
5538 | } | |||
5539 | } | |||
5540 | } | |||
5541 | return eBasicTypeInvalid; | |||
5542 | } | |||
5543 | ||||
5544 | void TypeSystemClang::ForEachEnumerator( | |||
5545 | lldb::opaque_compiler_type_t type, | |||
5546 | std::function<bool(const CompilerType &integer_type, | |||
5547 | ConstString name, | |||
5548 | const llvm::APSInt &value)> const &callback) { | |||
5549 | const clang::EnumType *enum_type = | |||
5550 | llvm::dyn_cast<clang::EnumType>(GetCanonicalQualType(type)); | |||
5551 | if (enum_type) { | |||
5552 | const clang::EnumDecl *enum_decl = enum_type->getDecl(); | |||
5553 | if (enum_decl) { | |||
5554 | CompilerType integer_type = GetType(enum_decl->getIntegerType()); | |||
5555 | ||||
5556 | clang::EnumDecl::enumerator_iterator enum_pos, enum_end_pos; | |||
5557 | for (enum_pos = enum_decl->enumerator_begin(), | |||
5558 | enum_end_pos = enum_decl->enumerator_end(); | |||
5559 | enum_pos != enum_end_pos; ++enum_pos) { | |||
5560 | ConstString name(enum_pos->getNameAsString().c_str()); | |||
5561 | if (!callback(integer_type, name, enum_pos->getInitVal())) | |||
5562 | break; | |||
5563 | } | |||
5564 | } | |||
5565 | } | |||
5566 | } | |||
5567 | ||||
5568 | #pragma mark Aggregate Types | |||
5569 | ||||
5570 | uint32_t TypeSystemClang::GetNumFields(lldb::opaque_compiler_type_t type) { | |||
5571 | if (!type) | |||
5572 | return 0; | |||
5573 | ||||
5574 | uint32_t count = 0; | |||
5575 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); | |||
5576 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
5577 | switch (type_class) { | |||
5578 | case clang::Type::Record: | |||
5579 | if (GetCompleteType(type)) { | |||
5580 | const clang::RecordType *record_type = | |||
5581 | llvm::dyn_cast<clang::RecordType>(qual_type.getTypePtr()); | |||
5582 | if (record_type) { | |||
5583 | clang::RecordDecl *record_decl = record_type->getDecl(); | |||
5584 | if (record_decl) { | |||
5585 | uint32_t field_idx = 0; | |||
5586 | clang::RecordDecl::field_iterator field, field_end; | |||
5587 | for (field = record_decl->field_begin(), | |||
5588 | field_end = record_decl->field_end(); | |||
5589 | field != field_end; ++field) | |||
5590 | ++field_idx; | |||
5591 | count = field_idx; | |||
5592 | } | |||
5593 | } | |||
5594 | } | |||
5595 | break; | |||
5596 | ||||
5597 | case clang::Type::ObjCObjectPointer: { | |||
5598 | const clang::ObjCObjectPointerType *objc_class_type = | |||
5599 | qual_type->getAs<clang::ObjCObjectPointerType>(); | |||
5600 | const clang::ObjCInterfaceType *objc_interface_type = | |||
5601 | objc_class_type->getInterfaceType(); | |||
5602 | if (objc_interface_type && | |||
5603 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( | |||
5604 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { | |||
5605 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
5606 | objc_interface_type->getDecl(); | |||
5607 | if (class_interface_decl) { | |||
5608 | count = class_interface_decl->ivar_size(); | |||
5609 | } | |||
5610 | } | |||
5611 | break; | |||
5612 | } | |||
5613 | ||||
5614 | case clang::Type::ObjCObject: | |||
5615 | case clang::Type::ObjCInterface: | |||
5616 | if (GetCompleteType(type)) { | |||
5617 | const clang::ObjCObjectType *objc_class_type = | |||
5618 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); | |||
5619 | if (objc_class_type) { | |||
5620 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
5621 | objc_class_type->getInterface(); | |||
5622 | ||||
5623 | if (class_interface_decl) | |||
5624 | count = class_interface_decl->ivar_size(); | |||
5625 | } | |||
5626 | } | |||
5627 | break; | |||
5628 | ||||
5629 | default: | |||
5630 | break; | |||
5631 | } | |||
5632 | return count; | |||
5633 | } | |||
5634 | ||||
5635 | static lldb::opaque_compiler_type_t | |||
5636 | GetObjCFieldAtIndex(clang::ASTContext *ast, | |||
5637 | clang::ObjCInterfaceDecl *class_interface_decl, size_t idx, | |||
5638 | std::string &name, uint64_t *bit_offset_ptr, | |||
5639 | uint32_t *bitfield_bit_size_ptr, bool *is_bitfield_ptr) { | |||
5640 | if (class_interface_decl) { | |||
5641 | if (idx < (class_interface_decl->ivar_size())) { | |||
5642 | clang::ObjCInterfaceDecl::ivar_iterator ivar_pos, | |||
5643 | ivar_end = class_interface_decl->ivar_end(); | |||
5644 | uint32_t ivar_idx = 0; | |||
5645 | ||||
5646 | for (ivar_pos = class_interface_decl->ivar_begin(); ivar_pos != ivar_end; | |||
5647 | ++ivar_pos, ++ivar_idx) { | |||
5648 | if (ivar_idx == idx) { | |||
5649 | const clang::ObjCIvarDecl *ivar_decl = *ivar_pos; | |||
5650 | ||||
5651 | clang::QualType ivar_qual_type(ivar_decl->getType()); | |||
5652 | ||||
5653 | name.assign(ivar_decl->getNameAsString()); | |||
5654 | ||||
5655 | if (bit_offset_ptr) { | |||
5656 | const clang::ASTRecordLayout &interface_layout = | |||
5657 | ast->getASTObjCInterfaceLayout(class_interface_decl); | |||
5658 | *bit_offset_ptr = interface_layout.getFieldOffset(ivar_idx); | |||
5659 | } | |||
5660 | ||||
5661 | const bool is_bitfield = ivar_pos->isBitField(); | |||
5662 | ||||
5663 | if (bitfield_bit_size_ptr) { | |||
5664 | *bitfield_bit_size_ptr = 0; | |||
5665 | ||||
5666 | if (is_bitfield && ast) { | |||
5667 | clang::Expr *bitfield_bit_size_expr = ivar_pos->getBitWidth(); | |||
5668 | clang::Expr::EvalResult result; | |||
5669 | if (bitfield_bit_size_expr && | |||
5670 | bitfield_bit_size_expr->EvaluateAsInt(result, *ast)) { | |||
5671 | llvm::APSInt bitfield_apsint = result.Val.getInt(); | |||
5672 | *bitfield_bit_size_ptr = bitfield_apsint.getLimitedValue(); | |||
5673 | } | |||
5674 | } | |||
5675 | } | |||
5676 | if (is_bitfield_ptr) | |||
5677 | *is_bitfield_ptr = is_bitfield; | |||
5678 | ||||
5679 | return ivar_qual_type.getAsOpaquePtr(); | |||
5680 | } | |||
5681 | } | |||
5682 | } | |||
5683 | } | |||
5684 | return nullptr; | |||
5685 | } | |||
5686 | ||||
5687 | CompilerType TypeSystemClang::GetFieldAtIndex(lldb::opaque_compiler_type_t type, | |||
5688 | size_t idx, std::string &name, | |||
5689 | uint64_t *bit_offset_ptr, | |||
5690 | uint32_t *bitfield_bit_size_ptr, | |||
5691 | bool *is_bitfield_ptr) { | |||
5692 | if (!type) | |||
5693 | return CompilerType(); | |||
5694 | ||||
5695 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); | |||
5696 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
5697 | switch (type_class) { | |||
5698 | case clang::Type::Record: | |||
5699 | if (GetCompleteType(type)) { | |||
5700 | const clang::RecordType *record_type = | |||
5701 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); | |||
5702 | const clang::RecordDecl *record_decl = record_type->getDecl(); | |||
5703 | uint32_t field_idx = 0; | |||
5704 | clang::RecordDecl::field_iterator field, field_end; | |||
5705 | for (field = record_decl->field_begin(), | |||
5706 | field_end = record_decl->field_end(); | |||
5707 | field != field_end; ++field, ++field_idx) { | |||
5708 | if (idx == field_idx) { | |||
5709 | // Print the member type if requested | |||
5710 | // Print the member name and equal sign | |||
5711 | name.assign(field->getNameAsString()); | |||
5712 | ||||
5713 | // Figure out the type byte size (field_type_info.first) and | |||
5714 | // alignment (field_type_info.second) from the AST context. | |||
5715 | if (bit_offset_ptr) { | |||
5716 | const clang::ASTRecordLayout &record_layout = | |||
5717 | getASTContext().getASTRecordLayout(record_decl); | |||
5718 | *bit_offset_ptr = record_layout.getFieldOffset(field_idx); | |||
5719 | } | |||
5720 | ||||
5721 | const bool is_bitfield = field->isBitField(); | |||
5722 | ||||
5723 | if (bitfield_bit_size_ptr) { | |||
5724 | *bitfield_bit_size_ptr = 0; | |||
5725 | ||||
5726 | if (is_bitfield) { | |||
5727 | clang::Expr *bitfield_bit_size_expr = field->getBitWidth(); | |||
5728 | clang::Expr::EvalResult result; | |||
5729 | if (bitfield_bit_size_expr && | |||
5730 | bitfield_bit_size_expr->EvaluateAsInt(result, | |||
5731 | getASTContext())) { | |||
5732 | llvm::APSInt bitfield_apsint = result.Val.getInt(); | |||
5733 | *bitfield_bit_size_ptr = bitfield_apsint.getLimitedValue(); | |||
5734 | } | |||
5735 | } | |||
5736 | } | |||
5737 | if (is_bitfield_ptr) | |||
5738 | *is_bitfield_ptr = is_bitfield; | |||
5739 | ||||
5740 | return GetType(field->getType()); | |||
5741 | } | |||
5742 | } | |||
5743 | } | |||
5744 | break; | |||
5745 | ||||
5746 | case clang::Type::ObjCObjectPointer: { | |||
5747 | const clang::ObjCObjectPointerType *objc_class_type = | |||
5748 | qual_type->getAs<clang::ObjCObjectPointerType>(); | |||
5749 | const clang::ObjCInterfaceType *objc_interface_type = | |||
5750 | objc_class_type->getInterfaceType(); | |||
5751 | if (objc_interface_type && | |||
5752 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( | |||
5753 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { | |||
5754 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
5755 | objc_interface_type->getDecl(); | |||
5756 | if (class_interface_decl) { | |||
5757 | return CompilerType( | |||
5758 | this, GetObjCFieldAtIndex(&getASTContext(), class_interface_decl, | |||
5759 | idx, name, bit_offset_ptr, | |||
5760 | bitfield_bit_size_ptr, is_bitfield_ptr)); | |||
5761 | } | |||
5762 | } | |||
5763 | break; | |||
5764 | } | |||
5765 | ||||
5766 | case clang::Type::ObjCObject: | |||
5767 | case clang::Type::ObjCInterface: | |||
5768 | if (GetCompleteType(type)) { | |||
5769 | const clang::ObjCObjectType *objc_class_type = | |||
5770 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); | |||
5771 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 5771, __extension__ __PRETTY_FUNCTION__)); | |||
5772 | if (objc_class_type) { | |||
5773 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
5774 | objc_class_type->getInterface(); | |||
5775 | return CompilerType( | |||
5776 | this, GetObjCFieldAtIndex(&getASTContext(), class_interface_decl, | |||
5777 | idx, name, bit_offset_ptr, | |||
5778 | bitfield_bit_size_ptr, is_bitfield_ptr)); | |||
5779 | } | |||
5780 | } | |||
5781 | break; | |||
5782 | ||||
5783 | default: | |||
5784 | break; | |||
5785 | } | |||
5786 | return CompilerType(); | |||
5787 | } | |||
5788 | ||||
5789 | uint32_t | |||
5790 | TypeSystemClang::GetNumDirectBaseClasses(lldb::opaque_compiler_type_t type) { | |||
5791 | uint32_t count = 0; | |||
5792 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
5793 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
5794 | switch (type_class) { | |||
5795 | case clang::Type::Record: | |||
5796 | if (GetCompleteType(type)) { | |||
5797 | const clang::CXXRecordDecl *cxx_record_decl = | |||
5798 | qual_type->getAsCXXRecordDecl(); | |||
5799 | if (cxx_record_decl) | |||
5800 | count = cxx_record_decl->getNumBases(); | |||
5801 | } | |||
5802 | break; | |||
5803 | ||||
5804 | case clang::Type::ObjCObjectPointer: | |||
5805 | count = GetPointeeType(type).GetNumDirectBaseClasses(); | |||
5806 | break; | |||
5807 | ||||
5808 | case clang::Type::ObjCObject: | |||
5809 | if (GetCompleteType(type)) { | |||
5810 | const clang::ObjCObjectType *objc_class_type = | |||
5811 | qual_type->getAsObjCQualifiedInterfaceType(); | |||
5812 | if (objc_class_type) { | |||
5813 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
5814 | objc_class_type->getInterface(); | |||
5815 | ||||
5816 | if (class_interface_decl && class_interface_decl->getSuperClass()) | |||
5817 | count = 1; | |||
5818 | } | |||
5819 | } | |||
5820 | break; | |||
5821 | case clang::Type::ObjCInterface: | |||
5822 | if (GetCompleteType(type)) { | |||
5823 | const clang::ObjCInterfaceType *objc_interface_type = | |||
5824 | qual_type->getAs<clang::ObjCInterfaceType>(); | |||
5825 | if (objc_interface_type) { | |||
5826 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
5827 | objc_interface_type->getInterface(); | |||
5828 | ||||
5829 | if (class_interface_decl && class_interface_decl->getSuperClass()) | |||
5830 | count = 1; | |||
5831 | } | |||
5832 | } | |||
5833 | break; | |||
5834 | ||||
5835 | default: | |||
5836 | break; | |||
5837 | } | |||
5838 | return count; | |||
5839 | } | |||
5840 | ||||
5841 | uint32_t | |||
5842 | TypeSystemClang::GetNumVirtualBaseClasses(lldb::opaque_compiler_type_t type) { | |||
5843 | uint32_t count = 0; | |||
5844 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
5845 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
5846 | switch (type_class) { | |||
5847 | case clang::Type::Record: | |||
5848 | if (GetCompleteType(type)) { | |||
5849 | const clang::CXXRecordDecl *cxx_record_decl = | |||
5850 | qual_type->getAsCXXRecordDecl(); | |||
5851 | if (cxx_record_decl) | |||
5852 | count = cxx_record_decl->getNumVBases(); | |||
5853 | } | |||
5854 | break; | |||
5855 | ||||
5856 | default: | |||
5857 | break; | |||
5858 | } | |||
5859 | return count; | |||
5860 | } | |||
5861 | ||||
5862 | CompilerType TypeSystemClang::GetDirectBaseClassAtIndex( | |||
5863 | lldb::opaque_compiler_type_t type, size_t idx, uint32_t *bit_offset_ptr) { | |||
5864 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
5865 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
5866 | switch (type_class) { | |||
5867 | case clang::Type::Record: | |||
5868 | if (GetCompleteType(type)) { | |||
5869 | const clang::CXXRecordDecl *cxx_record_decl = | |||
5870 | qual_type->getAsCXXRecordDecl(); | |||
5871 | if (cxx_record_decl) { | |||
5872 | uint32_t curr_idx = 0; | |||
5873 | clang::CXXRecordDecl::base_class_const_iterator base_class, | |||
5874 | base_class_end; | |||
5875 | for (base_class = cxx_record_decl->bases_begin(), | |||
5876 | base_class_end = cxx_record_decl->bases_end(); | |||
5877 | base_class != base_class_end; ++base_class, ++curr_idx) { | |||
5878 | if (curr_idx == idx) { | |||
5879 | if (bit_offset_ptr) { | |||
5880 | const clang::ASTRecordLayout &record_layout = | |||
5881 | getASTContext().getASTRecordLayout(cxx_record_decl); | |||
5882 | const clang::CXXRecordDecl *base_class_decl = | |||
5883 | llvm::cast<clang::CXXRecordDecl>( | |||
5884 | base_class->getType() | |||
5885 | ->getAs<clang::RecordType>() | |||
5886 | ->getDecl()); | |||
5887 | if (base_class->isVirtual()) | |||
5888 | *bit_offset_ptr = | |||
5889 | record_layout.getVBaseClassOffset(base_class_decl) | |||
5890 | .getQuantity() * | |||
5891 | 8; | |||
5892 | else | |||
5893 | *bit_offset_ptr = | |||
5894 | record_layout.getBaseClassOffset(base_class_decl) | |||
5895 | .getQuantity() * | |||
5896 | 8; | |||
5897 | } | |||
5898 | return GetType(base_class->getType()); | |||
5899 | } | |||
5900 | } | |||
5901 | } | |||
5902 | } | |||
5903 | break; | |||
5904 | ||||
5905 | case clang::Type::ObjCObjectPointer: | |||
5906 | return GetPointeeType(type).GetDirectBaseClassAtIndex(idx, bit_offset_ptr); | |||
5907 | ||||
5908 | case clang::Type::ObjCObject: | |||
5909 | if (idx == 0 && GetCompleteType(type)) { | |||
5910 | const clang::ObjCObjectType *objc_class_type = | |||
5911 | qual_type->getAsObjCQualifiedInterfaceType(); | |||
5912 | if (objc_class_type) { | |||
5913 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
5914 | objc_class_type->getInterface(); | |||
5915 | ||||
5916 | if (class_interface_decl) { | |||
5917 | clang::ObjCInterfaceDecl *superclass_interface_decl = | |||
5918 | class_interface_decl->getSuperClass(); | |||
5919 | if (superclass_interface_decl) { | |||
5920 | if (bit_offset_ptr) | |||
5921 | *bit_offset_ptr = 0; | |||
5922 | return GetType(getASTContext().getObjCInterfaceType( | |||
5923 | superclass_interface_decl)); | |||
5924 | } | |||
5925 | } | |||
5926 | } | |||
5927 | } | |||
5928 | break; | |||
5929 | case clang::Type::ObjCInterface: | |||
5930 | if (idx == 0 && GetCompleteType(type)) { | |||
5931 | const clang::ObjCObjectType *objc_interface_type = | |||
5932 | qual_type->getAs<clang::ObjCInterfaceType>(); | |||
5933 | if (objc_interface_type) { | |||
5934 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
5935 | objc_interface_type->getInterface(); | |||
5936 | ||||
5937 | if (class_interface_decl) { | |||
5938 | clang::ObjCInterfaceDecl *superclass_interface_decl = | |||
5939 | class_interface_decl->getSuperClass(); | |||
5940 | if (superclass_interface_decl) { | |||
5941 | if (bit_offset_ptr) | |||
5942 | *bit_offset_ptr = 0; | |||
5943 | return GetType(getASTContext().getObjCInterfaceType( | |||
5944 | superclass_interface_decl)); | |||
5945 | } | |||
5946 | } | |||
5947 | } | |||
5948 | } | |||
5949 | break; | |||
5950 | ||||
5951 | default: | |||
5952 | break; | |||
5953 | } | |||
5954 | return CompilerType(); | |||
5955 | } | |||
5956 | ||||
5957 | CompilerType TypeSystemClang::GetVirtualBaseClassAtIndex( | |||
5958 | lldb::opaque_compiler_type_t type, size_t idx, uint32_t *bit_offset_ptr) { | |||
5959 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
5960 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
5961 | switch (type_class) { | |||
5962 | case clang::Type::Record: | |||
5963 | if (GetCompleteType(type)) { | |||
5964 | const clang::CXXRecordDecl *cxx_record_decl = | |||
5965 | qual_type->getAsCXXRecordDecl(); | |||
5966 | if (cxx_record_decl) { | |||
5967 | uint32_t curr_idx = 0; | |||
5968 | clang::CXXRecordDecl::base_class_const_iterator base_class, | |||
5969 | base_class_end; | |||
5970 | for (base_class = cxx_record_decl->vbases_begin(), | |||
5971 | base_class_end = cxx_record_decl->vbases_end(); | |||
5972 | base_class != base_class_end; ++base_class, ++curr_idx) { | |||
5973 | if (curr_idx == idx) { | |||
5974 | if (bit_offset_ptr) { | |||
5975 | const clang::ASTRecordLayout &record_layout = | |||
5976 | getASTContext().getASTRecordLayout(cxx_record_decl); | |||
5977 | const clang::CXXRecordDecl *base_class_decl = | |||
5978 | llvm::cast<clang::CXXRecordDecl>( | |||
5979 | base_class->getType() | |||
5980 | ->getAs<clang::RecordType>() | |||
5981 | ->getDecl()); | |||
5982 | *bit_offset_ptr = | |||
5983 | record_layout.getVBaseClassOffset(base_class_decl) | |||
5984 | .getQuantity() * | |||
5985 | 8; | |||
5986 | } | |||
5987 | return GetType(base_class->getType()); | |||
5988 | } | |||
5989 | } | |||
5990 | } | |||
5991 | } | |||
5992 | break; | |||
5993 | ||||
5994 | default: | |||
5995 | break; | |||
5996 | } | |||
5997 | return CompilerType(); | |||
5998 | } | |||
5999 | ||||
6000 | // If a pointer to a pointee type (the clang_type arg) says that it has no | |||
6001 | // children, then we either need to trust it, or override it and return a | |||
6002 | // different result. For example, an "int *" has one child that is an integer, | |||
6003 | // but a function pointer doesn't have any children. Likewise if a Record type | |||
6004 | // claims it has no children, then there really is nothing to show. | |||
6005 | uint32_t TypeSystemClang::GetNumPointeeChildren(clang::QualType type) { | |||
6006 | if (type.isNull()) | |||
6007 | return 0; | |||
6008 | ||||
6009 | clang::QualType qual_type = RemoveWrappingTypes(type.getCanonicalType()); | |||
6010 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
6011 | switch (type_class) { | |||
6012 | case clang::Type::Builtin: | |||
6013 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { | |||
6014 | case clang::BuiltinType::UnknownAny: | |||
6015 | case clang::BuiltinType::Void: | |||
6016 | case clang::BuiltinType::NullPtr: | |||
6017 | case clang::BuiltinType::OCLEvent: | |||
6018 | case clang::BuiltinType::OCLImage1dRO: | |||
6019 | case clang::BuiltinType::OCLImage1dWO: | |||
6020 | case clang::BuiltinType::OCLImage1dRW: | |||
6021 | case clang::BuiltinType::OCLImage1dArrayRO: | |||
6022 | case clang::BuiltinType::OCLImage1dArrayWO: | |||
6023 | case clang::BuiltinType::OCLImage1dArrayRW: | |||
6024 | case clang::BuiltinType::OCLImage1dBufferRO: | |||
6025 | case clang::BuiltinType::OCLImage1dBufferWO: | |||
6026 | case clang::BuiltinType::OCLImage1dBufferRW: | |||
6027 | case clang::BuiltinType::OCLImage2dRO: | |||
6028 | case clang::BuiltinType::OCLImage2dWO: | |||
6029 | case clang::BuiltinType::OCLImage2dRW: | |||
6030 | case clang::BuiltinType::OCLImage2dArrayRO: | |||
6031 | case clang::BuiltinType::OCLImage2dArrayWO: | |||
6032 | case clang::BuiltinType::OCLImage2dArrayRW: | |||
6033 | case clang::BuiltinType::OCLImage3dRO: | |||
6034 | case clang::BuiltinType::OCLImage3dWO: | |||
6035 | case clang::BuiltinType::OCLImage3dRW: | |||
6036 | case clang::BuiltinType::OCLSampler: | |||
6037 | return 0; | |||
6038 | case clang::BuiltinType::Bool: | |||
6039 | case clang::BuiltinType::Char_U: | |||
6040 | case clang::BuiltinType::UChar: | |||
6041 | case clang::BuiltinType::WChar_U: | |||
6042 | case clang::BuiltinType::Char16: | |||
6043 | case clang::BuiltinType::Char32: | |||
6044 | case clang::BuiltinType::UShort: | |||
6045 | case clang::BuiltinType::UInt: | |||
6046 | case clang::BuiltinType::ULong: | |||
6047 | case clang::BuiltinType::ULongLong: | |||
6048 | case clang::BuiltinType::UInt128: | |||
6049 | case clang::BuiltinType::Char_S: | |||
6050 | case clang::BuiltinType::SChar: | |||
6051 | case clang::BuiltinType::WChar_S: | |||
6052 | case clang::BuiltinType::Short: | |||
6053 | case clang::BuiltinType::Int: | |||
6054 | case clang::BuiltinType::Long: | |||
6055 | case clang::BuiltinType::LongLong: | |||
6056 | case clang::BuiltinType::Int128: | |||
6057 | case clang::BuiltinType::Float: | |||
6058 | case clang::BuiltinType::Double: | |||
6059 | case clang::BuiltinType::LongDouble: | |||
6060 | case clang::BuiltinType::Dependent: | |||
6061 | case clang::BuiltinType::Overload: | |||
6062 | case clang::BuiltinType::ObjCId: | |||
6063 | case clang::BuiltinType::ObjCClass: | |||
6064 | case clang::BuiltinType::ObjCSel: | |||
6065 | case clang::BuiltinType::BoundMember: | |||
6066 | case clang::BuiltinType::Half: | |||
6067 | case clang::BuiltinType::ARCUnbridgedCast: | |||
6068 | case clang::BuiltinType::PseudoObject: | |||
6069 | case clang::BuiltinType::BuiltinFn: | |||
6070 | case clang::BuiltinType::OMPArraySection: | |||
6071 | return 1; | |||
6072 | default: | |||
6073 | return 0; | |||
6074 | } | |||
6075 | break; | |||
6076 | ||||
6077 | case clang::Type::Complex: | |||
6078 | return 1; | |||
6079 | case clang::Type::Pointer: | |||
6080 | return 1; | |||
6081 | case clang::Type::BlockPointer: | |||
6082 | return 0; // If block pointers don't have debug info, then no children for | |||
6083 | // them | |||
6084 | case clang::Type::LValueReference: | |||
6085 | return 1; | |||
6086 | case clang::Type::RValueReference: | |||
6087 | return 1; | |||
6088 | case clang::Type::MemberPointer: | |||
6089 | return 0; | |||
6090 | case clang::Type::ConstantArray: | |||
6091 | return 0; | |||
6092 | case clang::Type::IncompleteArray: | |||
6093 | return 0; | |||
6094 | case clang::Type::VariableArray: | |||
6095 | return 0; | |||
6096 | case clang::Type::DependentSizedArray: | |||
6097 | return 0; | |||
6098 | case clang::Type::DependentSizedExtVector: | |||
6099 | return 0; | |||
6100 | case clang::Type::Vector: | |||
6101 | return 0; | |||
6102 | case clang::Type::ExtVector: | |||
6103 | return 0; | |||
6104 | case clang::Type::FunctionProto: | |||
6105 | return 0; // When we function pointers, they have no children... | |||
6106 | case clang::Type::FunctionNoProto: | |||
6107 | return 0; // When we function pointers, they have no children... | |||
6108 | case clang::Type::UnresolvedUsing: | |||
6109 | return 0; | |||
6110 | case clang::Type::Record: | |||
6111 | return 0; | |||
6112 | case clang::Type::Enum: | |||
6113 | return 1; | |||
6114 | case clang::Type::TemplateTypeParm: | |||
6115 | return 1; | |||
6116 | case clang::Type::SubstTemplateTypeParm: | |||
6117 | return 1; | |||
6118 | case clang::Type::TemplateSpecialization: | |||
6119 | return 1; | |||
6120 | case clang::Type::InjectedClassName: | |||
6121 | return 0; | |||
6122 | case clang::Type::DependentName: | |||
6123 | return 1; | |||
6124 | case clang::Type::DependentTemplateSpecialization: | |||
6125 | return 1; | |||
6126 | case clang::Type::ObjCObject: | |||
6127 | return 0; | |||
6128 | case clang::Type::ObjCInterface: | |||
6129 | return 0; | |||
6130 | case clang::Type::ObjCObjectPointer: | |||
6131 | return 1; | |||
6132 | default: | |||
6133 | break; | |||
6134 | } | |||
6135 | return 0; | |||
6136 | } | |||
6137 | ||||
6138 | CompilerType TypeSystemClang::GetChildCompilerTypeAtIndex( | |||
6139 | lldb::opaque_compiler_type_t type, ExecutionContext *exe_ctx, size_t idx, | |||
6140 | bool transparent_pointers, bool omit_empty_base_classes, | |||
6141 | bool ignore_array_bounds, std::string &child_name, | |||
6142 | uint32_t &child_byte_size, int32_t &child_byte_offset, | |||
6143 | uint32_t &child_bitfield_bit_size, uint32_t &child_bitfield_bit_offset, | |||
6144 | bool &child_is_base_class, bool &child_is_deref_of_parent, | |||
6145 | ValueObject *valobj, uint64_t &language_flags) { | |||
6146 | if (!type) | |||
6147 | return CompilerType(); | |||
6148 | ||||
6149 | auto get_exe_scope = [&exe_ctx]() { | |||
6150 | return exe_ctx ? exe_ctx->GetBestExecutionContextScope() : nullptr; | |||
6151 | }; | |||
6152 | ||||
6153 | clang::QualType parent_qual_type( | |||
6154 | RemoveWrappingTypes(GetCanonicalQualType(type))); | |||
6155 | const clang::Type::TypeClass parent_type_class = | |||
6156 | parent_qual_type->getTypeClass(); | |||
6157 | child_bitfield_bit_size = 0; | |||
6158 | child_bitfield_bit_offset = 0; | |||
6159 | child_is_base_class = false; | |||
6160 | language_flags = 0; | |||
6161 | ||||
6162 | const bool idx_is_valid = | |||
6163 | idx < GetNumChildren(type, omit_empty_base_classes, exe_ctx); | |||
6164 | int32_t bit_offset; | |||
6165 | switch (parent_type_class) { | |||
6166 | case clang::Type::Builtin: | |||
6167 | if (idx_is_valid) { | |||
6168 | switch (llvm::cast<clang::BuiltinType>(parent_qual_type)->getKind()) { | |||
6169 | case clang::BuiltinType::ObjCId: | |||
6170 | case clang::BuiltinType::ObjCClass: | |||
6171 | child_name = "isa"; | |||
6172 | child_byte_size = | |||
6173 | getASTContext().getTypeSize(getASTContext().ObjCBuiltinClassTy) / | |||
6174 | CHAR_BIT8; | |||
6175 | return GetType(getASTContext().ObjCBuiltinClassTy); | |||
6176 | ||||
6177 | default: | |||
6178 | break; | |||
6179 | } | |||
6180 | } | |||
6181 | break; | |||
6182 | ||||
6183 | case clang::Type::Record: | |||
6184 | if (idx_is_valid && GetCompleteType(type)) { | |||
6185 | const clang::RecordType *record_type = | |||
6186 | llvm::cast<clang::RecordType>(parent_qual_type.getTypePtr()); | |||
6187 | const clang::RecordDecl *record_decl = record_type->getDecl(); | |||
6188 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 6188, __extension__ __PRETTY_FUNCTION__)); | |||
6189 | const clang::ASTRecordLayout &record_layout = | |||
6190 | getASTContext().getASTRecordLayout(record_decl); | |||
6191 | uint32_t child_idx = 0; | |||
6192 | ||||
6193 | const clang::CXXRecordDecl *cxx_record_decl = | |||
6194 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); | |||
6195 | if (cxx_record_decl) { | |||
6196 | // We might have base classes to print out first | |||
6197 | clang::CXXRecordDecl::base_class_const_iterator base_class, | |||
6198 | base_class_end; | |||
6199 | for (base_class = cxx_record_decl->bases_begin(), | |||
6200 | base_class_end = cxx_record_decl->bases_end(); | |||
6201 | base_class != base_class_end; ++base_class) { | |||
6202 | const clang::CXXRecordDecl *base_class_decl = nullptr; | |||
6203 | ||||
6204 | // Skip empty base classes | |||
6205 | if (omit_empty_base_classes) { | |||
6206 | base_class_decl = llvm::cast<clang::CXXRecordDecl>( | |||
6207 | base_class->getType()->getAs<clang::RecordType>()->getDecl()); | |||
6208 | if (!TypeSystemClang::RecordHasFields(base_class_decl)) | |||
6209 | continue; | |||
6210 | } | |||
6211 | ||||
6212 | if (idx == child_idx) { | |||
6213 | if (base_class_decl == nullptr) | |||
6214 | base_class_decl = llvm::cast<clang::CXXRecordDecl>( | |||
6215 | base_class->getType()->getAs<clang::RecordType>()->getDecl()); | |||
6216 | ||||
6217 | if (base_class->isVirtual()) { | |||
6218 | bool handled = false; | |||
6219 | if (valobj) { | |||
6220 | clang::VTableContextBase *vtable_ctx = | |||
6221 | getASTContext().getVTableContext(); | |||
6222 | if (vtable_ctx) | |||
6223 | handled = GetVBaseBitOffset(*vtable_ctx, *valobj, | |||
6224 | record_layout, cxx_record_decl, | |||
6225 | base_class_decl, bit_offset); | |||
6226 | } | |||
6227 | if (!handled) | |||
6228 | bit_offset = record_layout.getVBaseClassOffset(base_class_decl) | |||
6229 | .getQuantity() * | |||
6230 | 8; | |||
6231 | } else | |||
6232 | bit_offset = record_layout.getBaseClassOffset(base_class_decl) | |||
6233 | .getQuantity() * | |||
6234 | 8; | |||
6235 | ||||
6236 | // Base classes should be a multiple of 8 bits in size | |||
6237 | child_byte_offset = bit_offset / 8; | |||
6238 | CompilerType base_class_clang_type = GetType(base_class->getType()); | |||
6239 | child_name = base_class_clang_type.GetTypeName().AsCString(""); | |||
6240 | Optional<uint64_t> size = | |||
6241 | base_class_clang_type.GetBitSize(get_exe_scope()); | |||
6242 | if (!size) | |||
6243 | return {}; | |||
6244 | uint64_t base_class_clang_type_bit_size = *size; | |||
6245 | ||||
6246 | // Base classes bit sizes should be a multiple of 8 bits in size | |||
6247 | assert(base_class_clang_type_bit_size % 8 == 0)(static_cast <bool> (base_class_clang_type_bit_size % 8 == 0) ? void (0) : __assert_fail ("base_class_clang_type_bit_size % 8 == 0" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 6247, __extension__ __PRETTY_FUNCTION__)); | |||
6248 | child_byte_size = base_class_clang_type_bit_size / 8; | |||
6249 | child_is_base_class = true; | |||
6250 | return base_class_clang_type; | |||
6251 | } | |||
6252 | // We don't increment the child index in the for loop since we might | |||
6253 | // be skipping empty base classes | |||
6254 | ++child_idx; | |||
6255 | } | |||
6256 | } | |||
6257 | // Make sure index is in range... | |||
6258 | uint32_t field_idx = 0; | |||
6259 | clang::RecordDecl::field_iterator field, field_end; | |||
6260 | for (field = record_decl->field_begin(), | |||
6261 | field_end = record_decl->field_end(); | |||
6262 | field != field_end; ++field, ++field_idx, ++child_idx) { | |||
6263 | if (idx == child_idx) { | |||
6264 | // Print the member type if requested | |||
6265 | // Print the member name and equal sign | |||
6266 | child_name.assign(field->getNameAsString()); | |||
6267 | ||||
6268 | // Figure out the type byte size (field_type_info.first) and | |||
6269 | // alignment (field_type_info.second) from the AST context. | |||
6270 | CompilerType field_clang_type = GetType(field->getType()); | |||
6271 | assert(field_idx < record_layout.getFieldCount())(static_cast <bool> (field_idx < record_layout.getFieldCount ()) ? void (0) : __assert_fail ("field_idx < record_layout.getFieldCount()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 6271, __extension__ __PRETTY_FUNCTION__)); | |||
6272 | Optional<uint64_t> size = | |||
6273 | field_clang_type.GetByteSize(get_exe_scope()); | |||
6274 | if (!size) | |||
6275 | return {}; | |||
6276 | child_byte_size = *size; | |||
6277 | const uint32_t child_bit_size = child_byte_size * 8; | |||
6278 | ||||
6279 | // Figure out the field offset within the current struct/union/class | |||
6280 | // type | |||
6281 | bit_offset = record_layout.getFieldOffset(field_idx); | |||
6282 | if (FieldIsBitfield(*field, child_bitfield_bit_size)) { | |||
6283 | child_bitfield_bit_offset = bit_offset % child_bit_size; | |||
6284 | const uint32_t child_bit_offset = | |||
6285 | bit_offset - child_bitfield_bit_offset; | |||
6286 | child_byte_offset = child_bit_offset / 8; | |||
6287 | } else { | |||
6288 | child_byte_offset = bit_offset / 8; | |||
6289 | } | |||
6290 | ||||
6291 | return field_clang_type; | |||
6292 | } | |||
6293 | } | |||
6294 | } | |||
6295 | break; | |||
6296 | ||||
6297 | case clang::Type::ObjCObject: | |||
6298 | case clang::Type::ObjCInterface: | |||
6299 | if (idx_is_valid && GetCompleteType(type)) { | |||
6300 | const clang::ObjCObjectType *objc_class_type = | |||
6301 | llvm::dyn_cast<clang::ObjCObjectType>(parent_qual_type.getTypePtr()); | |||
6302 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 6302, __extension__ __PRETTY_FUNCTION__)); | |||
6303 | if (objc_class_type) { | |||
6304 | uint32_t child_idx = 0; | |||
6305 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
6306 | objc_class_type->getInterface(); | |||
6307 | ||||
6308 | if (class_interface_decl) { | |||
6309 | ||||
6310 | const clang::ASTRecordLayout &interface_layout = | |||
6311 | getASTContext().getASTObjCInterfaceLayout(class_interface_decl); | |||
6312 | clang::ObjCInterfaceDecl *superclass_interface_decl = | |||
6313 | class_interface_decl->getSuperClass(); | |||
6314 | if (superclass_interface_decl) { | |||
6315 | if (omit_empty_base_classes) { | |||
6316 | CompilerType base_class_clang_type = | |||
6317 | GetType(getASTContext().getObjCInterfaceType( | |||
6318 | superclass_interface_decl)); | |||
6319 | if (base_class_clang_type.GetNumChildren(omit_empty_base_classes, | |||
6320 | exe_ctx) > 0) { | |||
6321 | if (idx == 0) { | |||
6322 | clang::QualType ivar_qual_type( | |||
6323 | getASTContext().getObjCInterfaceType( | |||
6324 | superclass_interface_decl)); | |||
6325 | ||||
6326 | child_name.assign( | |||
6327 | superclass_interface_decl->getNameAsString()); | |||
6328 | ||||
6329 | clang::TypeInfo ivar_type_info = | |||
6330 | getASTContext().getTypeInfo(ivar_qual_type.getTypePtr()); | |||
6331 | ||||
6332 | child_byte_size = ivar_type_info.Width / 8; | |||
6333 | child_byte_offset = 0; | |||
6334 | child_is_base_class = true; | |||
6335 | ||||
6336 | return GetType(ivar_qual_type); | |||
6337 | } | |||
6338 | ||||
6339 | ++child_idx; | |||
6340 | } | |||
6341 | } else | |||
6342 | ++child_idx; | |||
6343 | } | |||
6344 | ||||
6345 | const uint32_t superclass_idx = child_idx; | |||
6346 | ||||
6347 | if (idx < (child_idx + class_interface_decl->ivar_size())) { | |||
6348 | clang::ObjCInterfaceDecl::ivar_iterator ivar_pos, | |||
6349 | ivar_end = class_interface_decl->ivar_end(); | |||
6350 | ||||
6351 | for (ivar_pos = class_interface_decl->ivar_begin(); | |||
6352 | ivar_pos != ivar_end; ++ivar_pos) { | |||
6353 | if (child_idx == idx) { | |||
6354 | clang::ObjCIvarDecl *ivar_decl = *ivar_pos; | |||
6355 | ||||
6356 | clang::QualType ivar_qual_type(ivar_decl->getType()); | |||
6357 | ||||
6358 | child_name.assign(ivar_decl->getNameAsString()); | |||
6359 | ||||
6360 | clang::TypeInfo ivar_type_info = | |||
6361 | getASTContext().getTypeInfo(ivar_qual_type.getTypePtr()); | |||
6362 | ||||
6363 | child_byte_size = ivar_type_info.Width / 8; | |||
6364 | ||||
6365 | // Figure out the field offset within the current | |||
6366 | // struct/union/class type For ObjC objects, we can't trust the | |||
6367 | // bit offset we get from the Clang AST, since that doesn't | |||
6368 | // account for the space taken up by unbacked properties, or | |||
6369 | // from the changing size of base classes that are newer than | |||
6370 | // this class. So if we have a process around that we can ask | |||
6371 | // about this object, do so. | |||
6372 | child_byte_offset = LLDB_INVALID_IVAR_OFFSET(4294967295U); | |||
6373 | Process *process = nullptr; | |||
6374 | if (exe_ctx) | |||
6375 | process = exe_ctx->GetProcessPtr(); | |||
6376 | if (process) { | |||
6377 | ObjCLanguageRuntime *objc_runtime = | |||
6378 | ObjCLanguageRuntime::Get(*process); | |||
6379 | if (objc_runtime != nullptr) { | |||
6380 | CompilerType parent_ast_type = GetType(parent_qual_type); | |||
6381 | child_byte_offset = objc_runtime->GetByteOffsetForIvar( | |||
6382 | parent_ast_type, ivar_decl->getNameAsString().c_str()); | |||
6383 | } | |||
6384 | } | |||
6385 | ||||
6386 | // Setting this to INT32_MAX to make sure we don't compute it | |||
6387 | // twice... | |||
6388 | bit_offset = INT32_MAX(2147483647); | |||
6389 | ||||
6390 | if (child_byte_offset == | |||
6391 | static_cast<int32_t>(LLDB_INVALID_IVAR_OFFSET(4294967295U))) { | |||
6392 | bit_offset = interface_layout.getFieldOffset(child_idx - | |||
6393 | superclass_idx); | |||
6394 | child_byte_offset = bit_offset / 8; | |||
6395 | } | |||
6396 | ||||
6397 | // Note, the ObjC Ivar Byte offset is just that, it doesn't | |||
6398 | // account for the bit offset of a bitfield within its | |||
6399 | // containing object. So regardless of where we get the byte | |||
6400 | // offset from, we still need to get the bit offset for | |||
6401 | // bitfields from the layout. | |||
6402 | ||||
6403 | if (FieldIsBitfield(ivar_decl, child_bitfield_bit_size)) { | |||
6404 | if (bit_offset == INT32_MAX(2147483647)) | |||
6405 | bit_offset = interface_layout.getFieldOffset( | |||
6406 | child_idx - superclass_idx); | |||
6407 | ||||
6408 | child_bitfield_bit_offset = bit_offset % 8; | |||
6409 | } | |||
6410 | return GetType(ivar_qual_type); | |||
6411 | } | |||
6412 | ++child_idx; | |||
6413 | } | |||
6414 | } | |||
6415 | } | |||
6416 | } | |||
6417 | } | |||
6418 | break; | |||
6419 | ||||
6420 | case clang::Type::ObjCObjectPointer: | |||
6421 | if (idx_is_valid) { | |||
6422 | CompilerType pointee_clang_type(GetPointeeType(type)); | |||
6423 | ||||
6424 | if (transparent_pointers && pointee_clang_type.IsAggregateType()) { | |||
6425 | child_is_deref_of_parent = false; | |||
6426 | bool tmp_child_is_deref_of_parent = false; | |||
6427 | return pointee_clang_type.GetChildCompilerTypeAtIndex( | |||
6428 | exe_ctx, idx, transparent_pointers, omit_empty_base_classes, | |||
6429 | ignore_array_bounds, child_name, child_byte_size, child_byte_offset, | |||
6430 | child_bitfield_bit_size, child_bitfield_bit_offset, | |||
6431 | child_is_base_class, tmp_child_is_deref_of_parent, valobj, | |||
6432 | language_flags); | |||
6433 | } else { | |||
6434 | child_is_deref_of_parent = true; | |||
6435 | const char *parent_name = | |||
6436 | valobj ? valobj->GetName().GetCString() : nullptr; | |||
6437 | if (parent_name) { | |||
6438 | child_name.assign(1, '*'); | |||
6439 | child_name += parent_name; | |||
6440 | } | |||
6441 | ||||
6442 | // We have a pointer to an simple type | |||
6443 | if (idx == 0 && pointee_clang_type.GetCompleteType()) { | |||
6444 | if (Optional<uint64_t> size = | |||
6445 | pointee_clang_type.GetByteSize(get_exe_scope())) { | |||
6446 | child_byte_size = *size; | |||
6447 | child_byte_offset = 0; | |||
6448 | return pointee_clang_type; | |||
6449 | } | |||
6450 | } | |||
6451 | } | |||
6452 | } | |||
6453 | break; | |||
6454 | ||||
6455 | case clang::Type::Vector: | |||
6456 | case clang::Type::ExtVector: | |||
6457 | if (idx_is_valid) { | |||
6458 | const clang::VectorType *array = | |||
6459 | llvm::cast<clang::VectorType>(parent_qual_type.getTypePtr()); | |||
6460 | if (array) { | |||
6461 | CompilerType element_type = GetType(array->getElementType()); | |||
6462 | if (element_type.GetCompleteType()) { | |||
6463 | char element_name[64]; | |||
6464 | ::snprintf(element_name, sizeof(element_name), "[%" PRIu64"l" "u" "]", | |||
6465 | static_cast<uint64_t>(idx)); | |||
6466 | child_name.assign(element_name); | |||
6467 | if (Optional<uint64_t> size = | |||
6468 | element_type.GetByteSize(get_exe_scope())) { | |||
6469 | child_byte_size = *size; | |||
6470 | child_byte_offset = (int32_t)idx * (int32_t)child_byte_size; | |||
6471 | return element_type; | |||
6472 | } | |||
6473 | } | |||
6474 | } | |||
6475 | } | |||
6476 | break; | |||
6477 | ||||
6478 | case clang::Type::ConstantArray: | |||
6479 | case clang::Type::IncompleteArray: | |||
6480 | if (ignore_array_bounds || idx_is_valid) { | |||
6481 | const clang::ArrayType *array = GetQualType(type)->getAsArrayTypeUnsafe(); | |||
6482 | if (array) { | |||
6483 | CompilerType element_type = GetType(array->getElementType()); | |||
6484 | if (element_type.GetCompleteType()) { | |||
6485 | child_name = std::string(llvm::formatv("[{0}]", idx)); | |||
6486 | if (Optional<uint64_t> size = | |||
6487 | element_type.GetByteSize(get_exe_scope())) { | |||
6488 | child_byte_size = *size; | |||
6489 | child_byte_offset = (int32_t)idx * (int32_t)child_byte_size; | |||
6490 | return element_type; | |||
6491 | } | |||
6492 | } | |||
6493 | } | |||
6494 | } | |||
6495 | break; | |||
6496 | ||||
6497 | case clang::Type::Pointer: { | |||
6498 | CompilerType pointee_clang_type(GetPointeeType(type)); | |||
6499 | ||||
6500 | // Don't dereference "void *" pointers | |||
6501 | if (pointee_clang_type.IsVoidType()) | |||
6502 | return CompilerType(); | |||
6503 | ||||
6504 | if (transparent_pointers && pointee_clang_type.IsAggregateType()) { | |||
6505 | child_is_deref_of_parent = false; | |||
6506 | bool tmp_child_is_deref_of_parent = false; | |||
6507 | return pointee_clang_type.GetChildCompilerTypeAtIndex( | |||
6508 | exe_ctx, idx, transparent_pointers, omit_empty_base_classes, | |||
6509 | ignore_array_bounds, child_name, child_byte_size, child_byte_offset, | |||
6510 | child_bitfield_bit_size, child_bitfield_bit_offset, | |||
6511 | child_is_base_class, tmp_child_is_deref_of_parent, valobj, | |||
6512 | language_flags); | |||
6513 | } else { | |||
6514 | child_is_deref_of_parent = true; | |||
6515 | ||||
6516 | const char *parent_name = | |||
6517 | valobj ? valobj->GetName().GetCString() : nullptr; | |||
6518 | if (parent_name) { | |||
6519 | child_name.assign(1, '*'); | |||
6520 | child_name += parent_name; | |||
6521 | } | |||
6522 | ||||
6523 | // We have a pointer to an simple type | |||
6524 | if (idx == 0) { | |||
6525 | if (Optional<uint64_t> size = | |||
6526 | pointee_clang_type.GetByteSize(get_exe_scope())) { | |||
6527 | child_byte_size = *size; | |||
6528 | child_byte_offset = 0; | |||
6529 | return pointee_clang_type; | |||
6530 | } | |||
6531 | } | |||
6532 | } | |||
6533 | break; | |||
6534 | } | |||
6535 | ||||
6536 | case clang::Type::LValueReference: | |||
6537 | case clang::Type::RValueReference: | |||
6538 | if (idx_is_valid) { | |||
6539 | const clang::ReferenceType *reference_type = | |||
6540 | llvm::cast<clang::ReferenceType>( | |||
6541 | RemoveWrappingTypes(GetQualType(type)).getTypePtr()); | |||
6542 | CompilerType pointee_clang_type = | |||
6543 | GetType(reference_type->getPointeeType()); | |||
6544 | if (transparent_pointers && pointee_clang_type.IsAggregateType()) { | |||
6545 | child_is_deref_of_parent = false; | |||
6546 | bool tmp_child_is_deref_of_parent = false; | |||
6547 | return pointee_clang_type.GetChildCompilerTypeAtIndex( | |||
6548 | exe_ctx, idx, transparent_pointers, omit_empty_base_classes, | |||
6549 | ignore_array_bounds, child_name, child_byte_size, child_byte_offset, | |||
6550 | child_bitfield_bit_size, child_bitfield_bit_offset, | |||
6551 | child_is_base_class, tmp_child_is_deref_of_parent, valobj, | |||
6552 | language_flags); | |||
6553 | } else { | |||
6554 | const char *parent_name = | |||
6555 | valobj ? valobj->GetName().GetCString() : nullptr; | |||
6556 | if (parent_name) { | |||
6557 | child_name.assign(1, '&'); | |||
6558 | child_name += parent_name; | |||
6559 | } | |||
6560 | ||||
6561 | // We have a pointer to an simple type | |||
6562 | if (idx == 0) { | |||
6563 | if (Optional<uint64_t> size = | |||
6564 | pointee_clang_type.GetByteSize(get_exe_scope())) { | |||
6565 | child_byte_size = *size; | |||
6566 | child_byte_offset = 0; | |||
6567 | return pointee_clang_type; | |||
6568 | } | |||
6569 | } | |||
6570 | } | |||
6571 | } | |||
6572 | break; | |||
6573 | ||||
6574 | default: | |||
6575 | break; | |||
6576 | } | |||
6577 | return CompilerType(); | |||
6578 | } | |||
6579 | ||||
6580 | static uint32_t GetIndexForRecordBase(const clang::RecordDecl *record_decl, | |||
6581 | const clang::CXXBaseSpecifier *base_spec, | |||
6582 | bool omit_empty_base_classes) { | |||
6583 | uint32_t child_idx = 0; | |||
6584 | ||||
6585 | const clang::CXXRecordDecl *cxx_record_decl = | |||
6586 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); | |||
6587 | ||||
6588 | if (cxx_record_decl) { | |||
6589 | clang::CXXRecordDecl::base_class_const_iterator base_class, base_class_end; | |||
6590 | for (base_class = cxx_record_decl->bases_begin(), | |||
6591 | base_class_end = cxx_record_decl->bases_end(); | |||
6592 | base_class != base_class_end; ++base_class) { | |||
6593 | if (omit_empty_base_classes) { | |||
6594 | if (BaseSpecifierIsEmpty(base_class)) | |||
6595 | continue; | |||
6596 | } | |||
6597 | ||||
6598 | if (base_class == base_spec) | |||
6599 | return child_idx; | |||
6600 | ++child_idx; | |||
6601 | } | |||
6602 | } | |||
6603 | ||||
6604 | return UINT32_MAX(4294967295U); | |||
6605 | } | |||
6606 | ||||
6607 | static uint32_t GetIndexForRecordChild(const clang::RecordDecl *record_decl, | |||
6608 | clang::NamedDecl *canonical_decl, | |||
6609 | bool omit_empty_base_classes) { | |||
6610 | uint32_t child_idx = TypeSystemClang::GetNumBaseClasses( | |||
6611 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl), | |||
6612 | omit_empty_base_classes); | |||
6613 | ||||
6614 | clang::RecordDecl::field_iterator field, field_end; | |||
6615 | for (field = record_decl->field_begin(), field_end = record_decl->field_end(); | |||
6616 | field != field_end; ++field, ++child_idx) { | |||
6617 | if (field->getCanonicalDecl() == canonical_decl) | |||
6618 | return child_idx; | |||
6619 | } | |||
6620 | ||||
6621 | return UINT32_MAX(4294967295U); | |||
6622 | } | |||
6623 | ||||
6624 | // Look for a child member (doesn't include base classes, but it does include | |||
6625 | // their members) in the type hierarchy. Returns an index path into | |||
6626 | // "clang_type" on how to reach the appropriate member. | |||
6627 | // | |||
6628 | // class A | |||
6629 | // { | |||
6630 | // public: | |||
6631 | // int m_a; | |||
6632 | // int m_b; | |||
6633 | // }; | |||
6634 | // | |||
6635 | // class B | |||
6636 | // { | |||
6637 | // }; | |||
6638 | // | |||
6639 | // class C : | |||
6640 | // public B, | |||
6641 | // public A | |||
6642 | // { | |||
6643 | // }; | |||
6644 | // | |||
6645 | // If we have a clang type that describes "class C", and we wanted to looked | |||
6646 | // "m_b" in it: | |||
6647 | // | |||
6648 | // With omit_empty_base_classes == false we would get an integer array back | |||
6649 | // with: { 1, 1 } The first index 1 is the child index for "class A" within | |||
6650 | // class C The second index 1 is the child index for "m_b" within class A | |||
6651 | // | |||
6652 | // With omit_empty_base_classes == true we would get an integer array back | |||
6653 | // with: { 0, 1 } The first index 0 is the child index for "class A" within | |||
6654 | // class C (since class B doesn't have any members it doesn't count) The second | |||
6655 | // index 1 is the child index for "m_b" within class A | |||
6656 | ||||
6657 | size_t TypeSystemClang::GetIndexOfChildMemberWithName( | |||
6658 | lldb::opaque_compiler_type_t type, const char *name, | |||
6659 | bool omit_empty_base_classes, std::vector<uint32_t> &child_indexes) { | |||
6660 | if (type && name && name[0]) { | |||
6661 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
6662 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
6663 | switch (type_class) { | |||
6664 | case clang::Type::Record: | |||
6665 | if (GetCompleteType(type)) { | |||
6666 | const clang::RecordType *record_type = | |||
6667 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); | |||
6668 | const clang::RecordDecl *record_decl = record_type->getDecl(); | |||
6669 | ||||
6670 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 6670, __extension__ __PRETTY_FUNCTION__)); | |||
6671 | uint32_t child_idx = 0; | |||
6672 | ||||
6673 | const clang::CXXRecordDecl *cxx_record_decl = | |||
6674 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); | |||
6675 | ||||
6676 | // Try and find a field that matches NAME | |||
6677 | clang::RecordDecl::field_iterator field, field_end; | |||
6678 | llvm::StringRef name_sref(name); | |||
6679 | for (field = record_decl->field_begin(), | |||
6680 | field_end = record_decl->field_end(); | |||
6681 | field != field_end; ++field, ++child_idx) { | |||
6682 | llvm::StringRef field_name = field->getName(); | |||
6683 | if (field_name.empty()) { | |||
6684 | CompilerType field_type = GetType(field->getType()); | |||
6685 | child_indexes.push_back(child_idx); | |||
6686 | if (field_type.GetIndexOfChildMemberWithName( | |||
6687 | name, omit_empty_base_classes, child_indexes)) | |||
6688 | return child_indexes.size(); | |||
6689 | child_indexes.pop_back(); | |||
6690 | ||||
6691 | } else if (field_name.equals(name_sref)) { | |||
6692 | // We have to add on the number of base classes to this index! | |||
6693 | child_indexes.push_back( | |||
6694 | child_idx + TypeSystemClang::GetNumBaseClasses( | |||
6695 | cxx_record_decl, omit_empty_base_classes)); | |||
6696 | return child_indexes.size(); | |||
6697 | } | |||
6698 | } | |||
6699 | ||||
6700 | if (cxx_record_decl) { | |||
6701 | const clang::RecordDecl *parent_record_decl = cxx_record_decl; | |||
6702 | ||||
6703 | // Didn't find things easily, lets let clang do its thang... | |||
6704 | clang::IdentifierInfo &ident_ref = | |||
6705 | getASTContext().Idents.get(name_sref); | |||
6706 | clang::DeclarationName decl_name(&ident_ref); | |||
6707 | ||||
6708 | clang::CXXBasePaths paths; | |||
6709 | if (cxx_record_decl->lookupInBases( | |||
6710 | [decl_name](const clang::CXXBaseSpecifier *specifier, | |||
6711 | clang::CXXBasePath &path) { | |||
6712 | CXXRecordDecl *record = | |||
6713 | specifier->getType()->getAsCXXRecordDecl(); | |||
6714 | auto r = record->lookup(decl_name); | |||
6715 | path.Decls = r.begin(); | |||
6716 | return !r.empty(); | |||
6717 | }, | |||
6718 | paths)) { | |||
6719 | clang::CXXBasePaths::const_paths_iterator path, | |||
6720 | path_end = paths.end(); | |||
6721 | for (path = paths.begin(); path != path_end; ++path) { | |||
6722 | const size_t num_path_elements = path->size(); | |||
6723 | for (size_t e = 0; e < num_path_elements; ++e) { | |||
6724 | clang::CXXBasePathElement elem = (*path)[e]; | |||
6725 | ||||
6726 | child_idx = GetIndexForRecordBase(parent_record_decl, elem.Base, | |||
6727 | omit_empty_base_classes); | |||
6728 | if (child_idx == UINT32_MAX(4294967295U)) { | |||
6729 | child_indexes.clear(); | |||
6730 | return 0; | |||
6731 | } else { | |||
6732 | child_indexes.push_back(child_idx); | |||
6733 | parent_record_decl = llvm::cast<clang::RecordDecl>( | |||
6734 | elem.Base->getType() | |||
6735 | ->getAs<clang::RecordType>() | |||
6736 | ->getDecl()); | |||
6737 | } | |||
6738 | } | |||
6739 | for (clang::DeclContext::lookup_iterator I = path->Decls, E; | |||
6740 | I != E; ++I) { | |||
6741 | child_idx = GetIndexForRecordChild( | |||
6742 | parent_record_decl, *I, omit_empty_base_classes); | |||
6743 | if (child_idx == UINT32_MAX(4294967295U)) { | |||
6744 | child_indexes.clear(); | |||
6745 | return 0; | |||
6746 | } else { | |||
6747 | child_indexes.push_back(child_idx); | |||
6748 | } | |||
6749 | } | |||
6750 | } | |||
6751 | return child_indexes.size(); | |||
6752 | } | |||
6753 | } | |||
6754 | } | |||
6755 | break; | |||
6756 | ||||
6757 | case clang::Type::ObjCObject: | |||
6758 | case clang::Type::ObjCInterface: | |||
6759 | if (GetCompleteType(type)) { | |||
6760 | llvm::StringRef name_sref(name); | |||
6761 | const clang::ObjCObjectType *objc_class_type = | |||
6762 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); | |||
6763 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 6763, __extension__ __PRETTY_FUNCTION__)); | |||
6764 | if (objc_class_type) { | |||
6765 | uint32_t child_idx = 0; | |||
6766 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
6767 | objc_class_type->getInterface(); | |||
6768 | ||||
6769 | if (class_interface_decl) { | |||
6770 | clang::ObjCInterfaceDecl::ivar_iterator ivar_pos, | |||
6771 | ivar_end = class_interface_decl->ivar_end(); | |||
6772 | clang::ObjCInterfaceDecl *superclass_interface_decl = | |||
6773 | class_interface_decl->getSuperClass(); | |||
6774 | ||||
6775 | for (ivar_pos = class_interface_decl->ivar_begin(); | |||
6776 | ivar_pos != ivar_end; ++ivar_pos, ++child_idx) { | |||
6777 | const clang::ObjCIvarDecl *ivar_decl = *ivar_pos; | |||
6778 | ||||
6779 | if (ivar_decl->getName().equals(name_sref)) { | |||
6780 | if ((!omit_empty_base_classes && superclass_interface_decl) || | |||
6781 | (omit_empty_base_classes && | |||
6782 | ObjCDeclHasIVars(superclass_interface_decl, true))) | |||
6783 | ++child_idx; | |||
6784 | ||||
6785 | child_indexes.push_back(child_idx); | |||
6786 | return child_indexes.size(); | |||
6787 | } | |||
6788 | } | |||
6789 | ||||
6790 | if (superclass_interface_decl) { | |||
6791 | // The super class index is always zero for ObjC classes, so we | |||
6792 | // push it onto the child indexes in case we find an ivar in our | |||
6793 | // superclass... | |||
6794 | child_indexes.push_back(0); | |||
6795 | ||||
6796 | CompilerType superclass_clang_type = | |||
6797 | GetType(getASTContext().getObjCInterfaceType( | |||
6798 | superclass_interface_decl)); | |||
6799 | if (superclass_clang_type.GetIndexOfChildMemberWithName( | |||
6800 | name, omit_empty_base_classes, child_indexes)) { | |||
6801 | // We did find an ivar in a superclass so just return the | |||
6802 | // results! | |||
6803 | return child_indexes.size(); | |||
6804 | } | |||
6805 | ||||
6806 | // We didn't find an ivar matching "name" in our superclass, pop | |||
6807 | // the superclass zero index that we pushed on above. | |||
6808 | child_indexes.pop_back(); | |||
6809 | } | |||
6810 | } | |||
6811 | } | |||
6812 | } | |||
6813 | break; | |||
6814 | ||||
6815 | case clang::Type::ObjCObjectPointer: { | |||
6816 | CompilerType objc_object_clang_type = GetType( | |||
6817 | llvm::cast<clang::ObjCObjectPointerType>(qual_type.getTypePtr()) | |||
6818 | ->getPointeeType()); | |||
6819 | return objc_object_clang_type.GetIndexOfChildMemberWithName( | |||
6820 | name, omit_empty_base_classes, child_indexes); | |||
6821 | } break; | |||
6822 | ||||
6823 | case clang::Type::ConstantArray: { | |||
6824 | // const clang::ConstantArrayType *array = | |||
6825 | // llvm::cast<clang::ConstantArrayType>(parent_qual_type.getTypePtr()); | |||
6826 | // const uint64_t element_count = | |||
6827 | // array->getSize().getLimitedValue(); | |||
6828 | // | |||
6829 | // if (idx < element_count) | |||
6830 | // { | |||
6831 | // std::pair<uint64_t, unsigned> field_type_info = | |||
6832 | // ast->getTypeInfo(array->getElementType()); | |||
6833 | // | |||
6834 | // char element_name[32]; | |||
6835 | // ::snprintf (element_name, sizeof (element_name), | |||
6836 | // "%s[%u]", parent_name ? parent_name : "", idx); | |||
6837 | // | |||
6838 | // child_name.assign(element_name); | |||
6839 | // assert(field_type_info.first % 8 == 0); | |||
6840 | // child_byte_size = field_type_info.first / 8; | |||
6841 | // child_byte_offset = idx * child_byte_size; | |||
6842 | // return array->getElementType().getAsOpaquePtr(); | |||
6843 | // } | |||
6844 | } break; | |||
6845 | ||||
6846 | // case clang::Type::MemberPointerType: | |||
6847 | // { | |||
6848 | // MemberPointerType *mem_ptr_type = | |||
6849 | // llvm::cast<MemberPointerType>(qual_type.getTypePtr()); | |||
6850 | // clang::QualType pointee_type = | |||
6851 | // mem_ptr_type->getPointeeType(); | |||
6852 | // | |||
6853 | // if (TypeSystemClang::IsAggregateType | |||
6854 | // (pointee_type.getAsOpaquePtr())) | |||
6855 | // { | |||
6856 | // return GetIndexOfChildWithName (ast, | |||
6857 | // mem_ptr_type->getPointeeType().getAsOpaquePtr(), | |||
6858 | // name); | |||
6859 | // } | |||
6860 | // } | |||
6861 | // break; | |||
6862 | // | |||
6863 | case clang::Type::LValueReference: | |||
6864 | case clang::Type::RValueReference: { | |||
6865 | const clang::ReferenceType *reference_type = | |||
6866 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); | |||
6867 | clang::QualType pointee_type(reference_type->getPointeeType()); | |||
6868 | CompilerType pointee_clang_type = GetType(pointee_type); | |||
6869 | ||||
6870 | if (pointee_clang_type.IsAggregateType()) { | |||
6871 | return pointee_clang_type.GetIndexOfChildMemberWithName( | |||
6872 | name, omit_empty_base_classes, child_indexes); | |||
6873 | } | |||
6874 | } break; | |||
6875 | ||||
6876 | case clang::Type::Pointer: { | |||
6877 | CompilerType pointee_clang_type(GetPointeeType(type)); | |||
6878 | ||||
6879 | if (pointee_clang_type.IsAggregateType()) { | |||
6880 | return pointee_clang_type.GetIndexOfChildMemberWithName( | |||
6881 | name, omit_empty_base_classes, child_indexes); | |||
6882 | } | |||
6883 | } break; | |||
6884 | ||||
6885 | default: | |||
6886 | break; | |||
6887 | } | |||
6888 | } | |||
6889 | return 0; | |||
6890 | } | |||
6891 | ||||
6892 | // Get the index of the child of "clang_type" whose name matches. This function | |||
6893 | // doesn't descend into the children, but only looks one level deep and name | |||
6894 | // matches can include base class names. | |||
6895 | ||||
6896 | uint32_t | |||
6897 | TypeSystemClang::GetIndexOfChildWithName(lldb::opaque_compiler_type_t type, | |||
6898 | const char *name, | |||
6899 | bool omit_empty_base_classes) { | |||
6900 | if (type && name && name[0]) { | |||
| ||||
6901 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
6902 | ||||
6903 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
6904 | ||||
6905 | switch (type_class) { | |||
6906 | case clang::Type::Record: | |||
6907 | if (GetCompleteType(type)) { | |||
6908 | const clang::RecordType *record_type = | |||
6909 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); | |||
6910 | const clang::RecordDecl *record_decl = record_type->getDecl(); | |||
6911 | ||||
6912 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 6912, __extension__ __PRETTY_FUNCTION__)); | |||
6913 | uint32_t child_idx = 0; | |||
6914 | ||||
6915 | const clang::CXXRecordDecl *cxx_record_decl = | |||
6916 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); | |||
6917 | ||||
6918 | if (cxx_record_decl
| |||
6919 | clang::CXXRecordDecl::base_class_const_iterator base_class, | |||
6920 | base_class_end; | |||
6921 | for (base_class = cxx_record_decl->bases_begin(), | |||
6922 | base_class_end = cxx_record_decl->bases_end(); | |||
6923 | base_class != base_class_end; ++base_class) { | |||
6924 | // Skip empty base classes | |||
6925 | clang::CXXRecordDecl *base_class_decl = | |||
6926 | llvm::cast<clang::CXXRecordDecl>( | |||
6927 | base_class->getType() | |||
| ||||
6928 | ->getAs<clang::RecordType>() | |||
6929 | ->getDecl()); | |||
6930 | if (omit_empty_base_classes && | |||
6931 | !TypeSystemClang::RecordHasFields(base_class_decl)) | |||
6932 | continue; | |||
6933 | ||||
6934 | CompilerType base_class_clang_type = GetType(base_class->getType()); | |||
6935 | std::string base_class_type_name( | |||
6936 | base_class_clang_type.GetTypeName().AsCString("")); | |||
6937 | if (base_class_type_name == name) | |||
6938 | return child_idx; | |||
6939 | ++child_idx; | |||
6940 | } | |||
6941 | } | |||
6942 | ||||
6943 | // Try and find a field that matches NAME | |||
6944 | clang::RecordDecl::field_iterator field, field_end; | |||
6945 | llvm::StringRef name_sref(name); | |||
6946 | for (field = record_decl->field_begin(), | |||
6947 | field_end = record_decl->field_end(); | |||
6948 | field != field_end; ++field, ++child_idx) { | |||
6949 | if (field->getName().equals(name_sref)) | |||
6950 | return child_idx; | |||
6951 | } | |||
6952 | } | |||
6953 | break; | |||
6954 | ||||
6955 | case clang::Type::ObjCObject: | |||
6956 | case clang::Type::ObjCInterface: | |||
6957 | if (GetCompleteType(type)) { | |||
6958 | llvm::StringRef name_sref(name); | |||
6959 | const clang::ObjCObjectType *objc_class_type = | |||
6960 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); | |||
6961 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 6961, __extension__ __PRETTY_FUNCTION__)); | |||
6962 | if (objc_class_type) { | |||
6963 | uint32_t child_idx = 0; | |||
6964 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
6965 | objc_class_type->getInterface(); | |||
6966 | ||||
6967 | if (class_interface_decl) { | |||
6968 | clang::ObjCInterfaceDecl::ivar_iterator ivar_pos, | |||
6969 | ivar_end = class_interface_decl->ivar_end(); | |||
6970 | clang::ObjCInterfaceDecl *superclass_interface_decl = | |||
6971 | class_interface_decl->getSuperClass(); | |||
6972 | ||||
6973 | for (ivar_pos = class_interface_decl->ivar_begin(); | |||
6974 | ivar_pos != ivar_end; ++ivar_pos, ++child_idx) { | |||
6975 | const clang::ObjCIvarDecl *ivar_decl = *ivar_pos; | |||
6976 | ||||
6977 | if (ivar_decl->getName().equals(name_sref)) { | |||
6978 | if ((!omit_empty_base_classes && superclass_interface_decl) || | |||
6979 | (omit_empty_base_classes && | |||
6980 | ObjCDeclHasIVars(superclass_interface_decl, true))) | |||
6981 | ++child_idx; | |||
6982 | ||||
6983 | return child_idx; | |||
6984 | } | |||
6985 | } | |||
6986 | ||||
6987 | if (superclass_interface_decl) { | |||
6988 | if (superclass_interface_decl->getName().equals(name_sref)) | |||
6989 | return 0; | |||
6990 | } | |||
6991 | } | |||
6992 | } | |||
6993 | } | |||
6994 | break; | |||
6995 | ||||
6996 | case clang::Type::ObjCObjectPointer: { | |||
6997 | CompilerType pointee_clang_type = GetType( | |||
6998 | llvm::cast<clang::ObjCObjectPointerType>(qual_type.getTypePtr()) | |||
6999 | ->getPointeeType()); | |||
7000 | return pointee_clang_type.GetIndexOfChildWithName( | |||
7001 | name, omit_empty_base_classes); | |||
7002 | } break; | |||
7003 | ||||
7004 | case clang::Type::ConstantArray: { | |||
7005 | // const clang::ConstantArrayType *array = | |||
7006 | // llvm::cast<clang::ConstantArrayType>(parent_qual_type.getTypePtr()); | |||
7007 | // const uint64_t element_count = | |||
7008 | // array->getSize().getLimitedValue(); | |||
7009 | // | |||
7010 | // if (idx < element_count) | |||
7011 | // { | |||
7012 | // std::pair<uint64_t, unsigned> field_type_info = | |||
7013 | // ast->getTypeInfo(array->getElementType()); | |||
7014 | // | |||
7015 | // char element_name[32]; | |||
7016 | // ::snprintf (element_name, sizeof (element_name), | |||
7017 | // "%s[%u]", parent_name ? parent_name : "", idx); | |||
7018 | // | |||
7019 | // child_name.assign(element_name); | |||
7020 | // assert(field_type_info.first % 8 == 0); | |||
7021 | // child_byte_size = field_type_info.first / 8; | |||
7022 | // child_byte_offset = idx * child_byte_size; | |||
7023 | // return array->getElementType().getAsOpaquePtr(); | |||
7024 | // } | |||
7025 | } break; | |||
7026 | ||||
7027 | // case clang::Type::MemberPointerType: | |||
7028 | // { | |||
7029 | // MemberPointerType *mem_ptr_type = | |||
7030 | // llvm::cast<MemberPointerType>(qual_type.getTypePtr()); | |||
7031 | // clang::QualType pointee_type = | |||
7032 | // mem_ptr_type->getPointeeType(); | |||
7033 | // | |||
7034 | // if (TypeSystemClang::IsAggregateType | |||
7035 | // (pointee_type.getAsOpaquePtr())) | |||
7036 | // { | |||
7037 | // return GetIndexOfChildWithName (ast, | |||
7038 | // mem_ptr_type->getPointeeType().getAsOpaquePtr(), | |||
7039 | // name); | |||
7040 | // } | |||
7041 | // } | |||
7042 | // break; | |||
7043 | // | |||
7044 | case clang::Type::LValueReference: | |||
7045 | case clang::Type::RValueReference: { | |||
7046 | const clang::ReferenceType *reference_type = | |||
7047 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); | |||
7048 | CompilerType pointee_type = GetType(reference_type->getPointeeType()); | |||
7049 | ||||
7050 | if (pointee_type.IsAggregateType()) { | |||
7051 | return pointee_type.GetIndexOfChildWithName(name, | |||
7052 | omit_empty_base_classes); | |||
7053 | } | |||
7054 | } break; | |||
7055 | ||||
7056 | case clang::Type::Pointer: { | |||
7057 | const clang::PointerType *pointer_type = | |||
7058 | llvm::cast<clang::PointerType>(qual_type.getTypePtr()); | |||
7059 | CompilerType pointee_type = GetType(pointer_type->getPointeeType()); | |||
7060 | ||||
7061 | if (pointee_type.IsAggregateType()) { | |||
7062 | return pointee_type.GetIndexOfChildWithName(name, | |||
7063 | omit_empty_base_classes); | |||
7064 | } else { | |||
7065 | // if (parent_name) | |||
7066 | // { | |||
7067 | // child_name.assign(1, '*'); | |||
7068 | // child_name += parent_name; | |||
7069 | // } | |||
7070 | // | |||
7071 | // // We have a pointer to an simple type | |||
7072 | // if (idx == 0) | |||
7073 | // { | |||
7074 | // std::pair<uint64_t, unsigned> clang_type_info | |||
7075 | // = ast->getTypeInfo(pointee_type); | |||
7076 | // assert(clang_type_info.first % 8 == 0); | |||
7077 | // child_byte_size = clang_type_info.first / 8; | |||
7078 | // child_byte_offset = 0; | |||
7079 | // return pointee_type.getAsOpaquePtr(); | |||
7080 | // } | |||
7081 | } | |||
7082 | } break; | |||
7083 | ||||
7084 | default: | |||
7085 | break; | |||
7086 | } | |||
7087 | } | |||
7088 | return UINT32_MAX(4294967295U); | |||
7089 | } | |||
7090 | ||||
7091 | size_t | |||
7092 | TypeSystemClang::GetNumTemplateArguments(lldb::opaque_compiler_type_t type) { | |||
7093 | if (!type) | |||
7094 | return 0; | |||
7095 | ||||
7096 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); | |||
7097 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
7098 | switch (type_class) { | |||
7099 | case clang::Type::Record: | |||
7100 | if (GetCompleteType(type)) { | |||
7101 | const clang::CXXRecordDecl *cxx_record_decl = | |||
7102 | qual_type->getAsCXXRecordDecl(); | |||
7103 | if (cxx_record_decl) { | |||
7104 | const clang::ClassTemplateSpecializationDecl *template_decl = | |||
7105 | llvm::dyn_cast<clang::ClassTemplateSpecializationDecl>( | |||
7106 | cxx_record_decl); | |||
7107 | if (template_decl) | |||
7108 | return template_decl->getTemplateArgs().size(); | |||
7109 | } | |||
7110 | } | |||
7111 | break; | |||
7112 | ||||
7113 | default: | |||
7114 | break; | |||
7115 | } | |||
7116 | ||||
7117 | return 0; | |||
7118 | } | |||
7119 | ||||
7120 | const clang::ClassTemplateSpecializationDecl * | |||
7121 | TypeSystemClang::GetAsTemplateSpecialization( | |||
7122 | lldb::opaque_compiler_type_t type) { | |||
7123 | if (!type) | |||
7124 | return nullptr; | |||
7125 | ||||
7126 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); | |||
7127 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
7128 | switch (type_class) { | |||
7129 | case clang::Type::Record: { | |||
7130 | if (! GetCompleteType(type)) | |||
7131 | return nullptr; | |||
7132 | const clang::CXXRecordDecl *cxx_record_decl = | |||
7133 | qual_type->getAsCXXRecordDecl(); | |||
7134 | if (!cxx_record_decl) | |||
7135 | return nullptr; | |||
7136 | return llvm::dyn_cast<clang::ClassTemplateSpecializationDecl>( | |||
7137 | cxx_record_decl); | |||
7138 | } | |||
7139 | ||||
7140 | default: | |||
7141 | return nullptr; | |||
7142 | } | |||
7143 | } | |||
7144 | ||||
7145 | lldb::TemplateArgumentKind | |||
7146 | TypeSystemClang::GetTemplateArgumentKind(lldb::opaque_compiler_type_t type, | |||
7147 | size_t arg_idx) { | |||
7148 | const clang::ClassTemplateSpecializationDecl *template_decl = | |||
7149 | GetAsTemplateSpecialization(type); | |||
7150 | if (! template_decl || arg_idx >= template_decl->getTemplateArgs().size()) | |||
7151 | return eTemplateArgumentKindNull; | |||
7152 | ||||
7153 | switch (template_decl->getTemplateArgs()[arg_idx].getKind()) { | |||
7154 | case clang::TemplateArgument::Null: | |||
7155 | return eTemplateArgumentKindNull; | |||
7156 | ||||
7157 | case clang::TemplateArgument::NullPtr: | |||
7158 | return eTemplateArgumentKindNullPtr; | |||
7159 | ||||
7160 | case clang::TemplateArgument::Type: | |||
7161 | return eTemplateArgumentKindType; | |||
7162 | ||||
7163 | case clang::TemplateArgument::Declaration: | |||
7164 | return eTemplateArgumentKindDeclaration; | |||
7165 | ||||
7166 | case clang::TemplateArgument::Integral: | |||
7167 | return eTemplateArgumentKindIntegral; | |||
7168 | ||||
7169 | case clang::TemplateArgument::Template: | |||
7170 | return eTemplateArgumentKindTemplate; | |||
7171 | ||||
7172 | case clang::TemplateArgument::TemplateExpansion: | |||
7173 | return eTemplateArgumentKindTemplateExpansion; | |||
7174 | ||||
7175 | case clang::TemplateArgument::Expression: | |||
7176 | return eTemplateArgumentKindExpression; | |||
7177 | ||||
7178 | case clang::TemplateArgument::Pack: | |||
7179 | return eTemplateArgumentKindPack; | |||
7180 | } | |||
7181 | llvm_unreachable("Unhandled clang::TemplateArgument::ArgKind")::llvm::llvm_unreachable_internal("Unhandled clang::TemplateArgument::ArgKind" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7181); | |||
7182 | } | |||
7183 | ||||
7184 | CompilerType | |||
7185 | TypeSystemClang::GetTypeTemplateArgument(lldb::opaque_compiler_type_t type, | |||
7186 | size_t idx) { | |||
7187 | const clang::ClassTemplateSpecializationDecl *template_decl = | |||
7188 | GetAsTemplateSpecialization(type); | |||
7189 | if (!template_decl || idx >= template_decl->getTemplateArgs().size()) | |||
7190 | return CompilerType(); | |||
7191 | ||||
7192 | const clang::TemplateArgument &template_arg = | |||
7193 | template_decl->getTemplateArgs()[idx]; | |||
7194 | if (template_arg.getKind() != clang::TemplateArgument::Type) | |||
7195 | return CompilerType(); | |||
7196 | ||||
7197 | return GetType(template_arg.getAsType()); | |||
7198 | } | |||
7199 | ||||
7200 | Optional<CompilerType::IntegralTemplateArgument> | |||
7201 | TypeSystemClang::GetIntegralTemplateArgument(lldb::opaque_compiler_type_t type, | |||
7202 | size_t idx) { | |||
7203 | const clang::ClassTemplateSpecializationDecl *template_decl = | |||
7204 | GetAsTemplateSpecialization(type); | |||
7205 | if (! template_decl || idx >= template_decl->getTemplateArgs().size()) | |||
7206 | return llvm::None; | |||
7207 | ||||
7208 | const clang::TemplateArgument &template_arg = | |||
7209 | template_decl->getTemplateArgs()[idx]; | |||
7210 | if (template_arg.getKind() != clang::TemplateArgument::Integral) | |||
7211 | return llvm::None; | |||
7212 | ||||
7213 | return { | |||
7214 | {template_arg.getAsIntegral(), GetType(template_arg.getIntegralType())}}; | |||
7215 | } | |||
7216 | ||||
7217 | CompilerType TypeSystemClang::GetTypeForFormatters(void *type) { | |||
7218 | if (type) | |||
7219 | return ClangUtil::RemoveFastQualifiers(CompilerType(this, type)); | |||
7220 | return CompilerType(); | |||
7221 | } | |||
7222 | ||||
7223 | clang::EnumDecl *TypeSystemClang::GetAsEnumDecl(const CompilerType &type) { | |||
7224 | const clang::EnumType *enutype = | |||
7225 | llvm::dyn_cast<clang::EnumType>(ClangUtil::GetCanonicalQualType(type)); | |||
7226 | if (enutype) | |||
7227 | return enutype->getDecl(); | |||
7228 | return nullptr; | |||
7229 | } | |||
7230 | ||||
7231 | clang::RecordDecl *TypeSystemClang::GetAsRecordDecl(const CompilerType &type) { | |||
7232 | const clang::RecordType *record_type = | |||
7233 | llvm::dyn_cast<clang::RecordType>(ClangUtil::GetCanonicalQualType(type)); | |||
7234 | if (record_type) | |||
7235 | return record_type->getDecl(); | |||
7236 | return nullptr; | |||
7237 | } | |||
7238 | ||||
7239 | clang::TagDecl *TypeSystemClang::GetAsTagDecl(const CompilerType &type) { | |||
7240 | return ClangUtil::GetAsTagDecl(type); | |||
7241 | } | |||
7242 | ||||
7243 | clang::TypedefNameDecl * | |||
7244 | TypeSystemClang::GetAsTypedefDecl(const CompilerType &type) { | |||
7245 | const clang::TypedefType *typedef_type = | |||
7246 | llvm::dyn_cast<clang::TypedefType>(ClangUtil::GetQualType(type)); | |||
7247 | if (typedef_type) | |||
7248 | return typedef_type->getDecl(); | |||
7249 | return nullptr; | |||
7250 | } | |||
7251 | ||||
7252 | clang::CXXRecordDecl * | |||
7253 | TypeSystemClang::GetAsCXXRecordDecl(lldb::opaque_compiler_type_t type) { | |||
7254 | return GetCanonicalQualType(type)->getAsCXXRecordDecl(); | |||
7255 | } | |||
7256 | ||||
7257 | clang::ObjCInterfaceDecl * | |||
7258 | TypeSystemClang::GetAsObjCInterfaceDecl(const CompilerType &type) { | |||
7259 | const clang::ObjCObjectType *objc_class_type = | |||
7260 | llvm::dyn_cast<clang::ObjCObjectType>( | |||
7261 | ClangUtil::GetCanonicalQualType(type)); | |||
7262 | if (objc_class_type) | |||
7263 | return objc_class_type->getInterface(); | |||
7264 | return nullptr; | |||
7265 | } | |||
7266 | ||||
7267 | clang::FieldDecl *TypeSystemClang::AddFieldToRecordType( | |||
7268 | const CompilerType &type, llvm::StringRef name, | |||
7269 | const CompilerType &field_clang_type, AccessType access, | |||
7270 | uint32_t bitfield_bit_size) { | |||
7271 | if (!type.IsValid() || !field_clang_type.IsValid()) | |||
7272 | return nullptr; | |||
7273 | TypeSystemClang *ast = | |||
7274 | llvm::dyn_cast_or_null<TypeSystemClang>(type.GetTypeSystem()); | |||
7275 | if (!ast) | |||
7276 | return nullptr; | |||
7277 | clang::ASTContext &clang_ast = ast->getASTContext(); | |||
7278 | clang::IdentifierInfo *ident = nullptr; | |||
7279 | if (!name.empty()) | |||
7280 | ident = &clang_ast.Idents.get(name); | |||
7281 | ||||
7282 | clang::FieldDecl *field = nullptr; | |||
7283 | ||||
7284 | clang::Expr *bit_width = nullptr; | |||
7285 | if (bitfield_bit_size != 0) { | |||
7286 | llvm::APInt bitfield_bit_size_apint(clang_ast.getTypeSize(clang_ast.IntTy), | |||
7287 | bitfield_bit_size); | |||
7288 | bit_width = new (clang_ast) | |||
7289 | clang::IntegerLiteral(clang_ast, bitfield_bit_size_apint, | |||
7290 | clang_ast.IntTy, clang::SourceLocation()); | |||
7291 | } | |||
7292 | ||||
7293 | clang::RecordDecl *record_decl = ast->GetAsRecordDecl(type); | |||
7294 | if (record_decl) { | |||
7295 | field = clang::FieldDecl::CreateDeserialized(clang_ast, 0); | |||
7296 | field->setDeclContext(record_decl); | |||
7297 | field->setDeclName(ident); | |||
7298 | field->setType(ClangUtil::GetQualType(field_clang_type)); | |||
7299 | if (bit_width) | |||
7300 | field->setBitWidth(bit_width); | |||
7301 | SetMemberOwningModule(field, record_decl); | |||
7302 | ||||
7303 | if (name.empty()) { | |||
7304 | // Determine whether this field corresponds to an anonymous struct or | |||
7305 | // union. | |||
7306 | if (const clang::TagType *TagT = | |||
7307 | field->getType()->getAs<clang::TagType>()) { | |||
7308 | if (clang::RecordDecl *Rec = | |||
7309 | llvm::dyn_cast<clang::RecordDecl>(TagT->getDecl())) | |||
7310 | if (!Rec->getDeclName()) { | |||
7311 | Rec->setAnonymousStructOrUnion(true); | |||
7312 | field->setImplicit(); | |||
7313 | } | |||
7314 | } | |||
7315 | } | |||
7316 | ||||
7317 | if (field) { | |||
7318 | clang::AccessSpecifier access_specifier = | |||
7319 | TypeSystemClang::ConvertAccessTypeToAccessSpecifier(access); | |||
7320 | field->setAccess(access_specifier); | |||
7321 | ||||
7322 | if (clang::CXXRecordDecl *cxx_record_decl = | |||
7323 | llvm::dyn_cast<CXXRecordDecl>(record_decl)) { | |||
7324 | AddAccessSpecifierDecl(cxx_record_decl, ast->getASTContext(), | |||
7325 | ast->GetCXXRecordDeclAccess(cxx_record_decl), | |||
7326 | access_specifier); | |||
7327 | ast->SetCXXRecordDeclAccess(cxx_record_decl, access_specifier); | |||
7328 | } | |||
7329 | record_decl->addDecl(field); | |||
7330 | ||||
7331 | VerifyDecl(field); | |||
7332 | } | |||
7333 | } else { | |||
7334 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
7335 | ast->GetAsObjCInterfaceDecl(type); | |||
7336 | ||||
7337 | if (class_interface_decl) { | |||
7338 | const bool is_synthesized = false; | |||
7339 | ||||
7340 | field_clang_type.GetCompleteType(); | |||
7341 | ||||
7342 | auto *ivar = clang::ObjCIvarDecl::CreateDeserialized(clang_ast, 0); | |||
7343 | ivar->setDeclContext(class_interface_decl); | |||
7344 | ivar->setDeclName(ident); | |||
7345 | ivar->setType(ClangUtil::GetQualType(field_clang_type)); | |||
7346 | ivar->setAccessControl(ConvertAccessTypeToObjCIvarAccessControl(access)); | |||
7347 | if (bit_width) | |||
7348 | ivar->setBitWidth(bit_width); | |||
7349 | ivar->setSynthesize(is_synthesized); | |||
7350 | field = ivar; | |||
7351 | SetMemberOwningModule(field, class_interface_decl); | |||
7352 | ||||
7353 | if (field) { | |||
7354 | class_interface_decl->addDecl(field); | |||
7355 | ||||
7356 | VerifyDecl(field); | |||
7357 | } | |||
7358 | } | |||
7359 | } | |||
7360 | return field; | |||
7361 | } | |||
7362 | ||||
7363 | void TypeSystemClang::BuildIndirectFields(const CompilerType &type) { | |||
7364 | if (!type) | |||
7365 | return; | |||
7366 | ||||
7367 | TypeSystemClang *ast = llvm::dyn_cast<TypeSystemClang>(type.GetTypeSystem()); | |||
7368 | if (!ast) | |||
7369 | return; | |||
7370 | ||||
7371 | clang::RecordDecl *record_decl = ast->GetAsRecordDecl(type); | |||
7372 | ||||
7373 | if (!record_decl) | |||
7374 | return; | |||
7375 | ||||
7376 | typedef llvm::SmallVector<clang::IndirectFieldDecl *, 1> IndirectFieldVector; | |||
7377 | ||||
7378 | IndirectFieldVector indirect_fields; | |||
7379 | clang::RecordDecl::field_iterator field_pos; | |||
7380 | clang::RecordDecl::field_iterator field_end_pos = record_decl->field_end(); | |||
7381 | clang::RecordDecl::field_iterator last_field_pos = field_end_pos; | |||
7382 | for (field_pos = record_decl->field_begin(); field_pos != field_end_pos; | |||
7383 | last_field_pos = field_pos++) { | |||
7384 | if (field_pos->isAnonymousStructOrUnion()) { | |||
7385 | clang::QualType field_qual_type = field_pos->getType(); | |||
7386 | ||||
7387 | const clang::RecordType *field_record_type = | |||
7388 | field_qual_type->getAs<clang::RecordType>(); | |||
7389 | ||||
7390 | if (!field_record_type) | |||
7391 | continue; | |||
7392 | ||||
7393 | clang::RecordDecl *field_record_decl = field_record_type->getDecl(); | |||
7394 | ||||
7395 | if (!field_record_decl) | |||
7396 | continue; | |||
7397 | ||||
7398 | for (clang::RecordDecl::decl_iterator | |||
7399 | di = field_record_decl->decls_begin(), | |||
7400 | de = field_record_decl->decls_end(); | |||
7401 | di != de; ++di) { | |||
7402 | if (clang::FieldDecl *nested_field_decl = | |||
7403 | llvm::dyn_cast<clang::FieldDecl>(*di)) { | |||
7404 | clang::NamedDecl **chain = | |||
7405 | new (ast->getASTContext()) clang::NamedDecl *[2]; | |||
7406 | chain[0] = *field_pos; | |||
7407 | chain[1] = nested_field_decl; | |||
7408 | clang::IndirectFieldDecl *indirect_field = | |||
7409 | clang::IndirectFieldDecl::Create( | |||
7410 | ast->getASTContext(), record_decl, clang::SourceLocation(), | |||
7411 | nested_field_decl->getIdentifier(), | |||
7412 | nested_field_decl->getType(), {chain, 2}); | |||
7413 | SetMemberOwningModule(indirect_field, record_decl); | |||
7414 | ||||
7415 | indirect_field->setImplicit(); | |||
7416 | ||||
7417 | indirect_field->setAccess(TypeSystemClang::UnifyAccessSpecifiers( | |||
7418 | field_pos->getAccess(), nested_field_decl->getAccess())); | |||
7419 | ||||
7420 | indirect_fields.push_back(indirect_field); | |||
7421 | } else if (clang::IndirectFieldDecl *nested_indirect_field_decl = | |||
7422 | llvm::dyn_cast<clang::IndirectFieldDecl>(*di)) { | |||
7423 | size_t nested_chain_size = | |||
7424 | nested_indirect_field_decl->getChainingSize(); | |||
7425 | clang::NamedDecl **chain = new (ast->getASTContext()) | |||
7426 | clang::NamedDecl *[nested_chain_size + 1]; | |||
7427 | chain[0] = *field_pos; | |||
7428 | ||||
7429 | int chain_index = 1; | |||
7430 | for (clang::IndirectFieldDecl::chain_iterator | |||
7431 | nci = nested_indirect_field_decl->chain_begin(), | |||
7432 | nce = nested_indirect_field_decl->chain_end(); | |||
7433 | nci < nce; ++nci) { | |||
7434 | chain[chain_index] = *nci; | |||
7435 | chain_index++; | |||
7436 | } | |||
7437 | ||||
7438 | clang::IndirectFieldDecl *indirect_field = | |||
7439 | clang::IndirectFieldDecl::Create( | |||
7440 | ast->getASTContext(), record_decl, clang::SourceLocation(), | |||
7441 | nested_indirect_field_decl->getIdentifier(), | |||
7442 | nested_indirect_field_decl->getType(), | |||
7443 | {chain, nested_chain_size + 1}); | |||
7444 | SetMemberOwningModule(indirect_field, record_decl); | |||
7445 | ||||
7446 | indirect_field->setImplicit(); | |||
7447 | ||||
7448 | indirect_field->setAccess(TypeSystemClang::UnifyAccessSpecifiers( | |||
7449 | field_pos->getAccess(), nested_indirect_field_decl->getAccess())); | |||
7450 | ||||
7451 | indirect_fields.push_back(indirect_field); | |||
7452 | } | |||
7453 | } | |||
7454 | } | |||
7455 | } | |||
7456 | ||||
7457 | // Check the last field to see if it has an incomplete array type as its last | |||
7458 | // member and if it does, the tell the record decl about it | |||
7459 | if (last_field_pos != field_end_pos) { | |||
7460 | if (last_field_pos->getType()->isIncompleteArrayType()) | |||
7461 | record_decl->hasFlexibleArrayMember(); | |||
7462 | } | |||
7463 | ||||
7464 | for (IndirectFieldVector::iterator ifi = indirect_fields.begin(), | |||
7465 | ife = indirect_fields.end(); | |||
7466 | ifi < ife; ++ifi) { | |||
7467 | record_decl->addDecl(*ifi); | |||
7468 | } | |||
7469 | } | |||
7470 | ||||
7471 | void TypeSystemClang::SetIsPacked(const CompilerType &type) { | |||
7472 | if (type) { | |||
7473 | TypeSystemClang *ast = | |||
7474 | llvm::dyn_cast<TypeSystemClang>(type.GetTypeSystem()); | |||
7475 | if (ast) { | |||
7476 | clang::RecordDecl *record_decl = GetAsRecordDecl(type); | |||
7477 | ||||
7478 | if (!record_decl) | |||
7479 | return; | |||
7480 | ||||
7481 | record_decl->addAttr( | |||
7482 | clang::PackedAttr::CreateImplicit(ast->getASTContext())); | |||
7483 | } | |||
7484 | } | |||
7485 | } | |||
7486 | ||||
7487 | clang::VarDecl *TypeSystemClang::AddVariableToRecordType( | |||
7488 | const CompilerType &type, llvm::StringRef name, | |||
7489 | const CompilerType &var_type, AccessType access) { | |||
7490 | if (!type.IsValid() || !var_type.IsValid()) | |||
7491 | return nullptr; | |||
7492 | ||||
7493 | TypeSystemClang *ast = llvm::dyn_cast<TypeSystemClang>(type.GetTypeSystem()); | |||
7494 | if (!ast) | |||
7495 | return nullptr; | |||
7496 | ||||
7497 | clang::RecordDecl *record_decl = ast->GetAsRecordDecl(type); | |||
7498 | if (!record_decl) | |||
7499 | return nullptr; | |||
7500 | ||||
7501 | clang::VarDecl *var_decl = nullptr; | |||
7502 | clang::IdentifierInfo *ident = nullptr; | |||
7503 | if (!name.empty()) | |||
7504 | ident = &ast->getASTContext().Idents.get(name); | |||
7505 | ||||
7506 | var_decl = clang::VarDecl::CreateDeserialized(ast->getASTContext(), 0); | |||
7507 | var_decl->setDeclContext(record_decl); | |||
7508 | var_decl->setDeclName(ident); | |||
7509 | var_decl->setType(ClangUtil::GetQualType(var_type)); | |||
7510 | var_decl->setStorageClass(clang::SC_Static); | |||
7511 | SetMemberOwningModule(var_decl, record_decl); | |||
7512 | if (!var_decl) | |||
7513 | return nullptr; | |||
7514 | ||||
7515 | var_decl->setAccess( | |||
7516 | TypeSystemClang::ConvertAccessTypeToAccessSpecifier(access)); | |||
7517 | record_decl->addDecl(var_decl); | |||
7518 | ||||
7519 | VerifyDecl(var_decl); | |||
7520 | ||||
7521 | return var_decl; | |||
7522 | } | |||
7523 | ||||
7524 | void TypeSystemClang::SetIntegerInitializerForVariable( | |||
7525 | VarDecl *var, const llvm::APInt &init_value) { | |||
7526 | assert(!var->hasInit() && "variable already initialized")(static_cast <bool> (!var->hasInit() && "variable already initialized" ) ? void (0) : __assert_fail ("!var->hasInit() && \"variable already initialized\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7526, __extension__ __PRETTY_FUNCTION__)); | |||
7527 | ||||
7528 | clang::ASTContext &ast = var->getASTContext(); | |||
7529 | QualType qt = var->getType(); | |||
7530 | assert(qt->isIntegralOrEnumerationType() &&(static_cast <bool> (qt->isIntegralOrEnumerationType () && "only integer or enum types supported") ? void ( 0) : __assert_fail ("qt->isIntegralOrEnumerationType() && \"only integer or enum types supported\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7531, __extension__ __PRETTY_FUNCTION__)) | |||
7531 | "only integer or enum types supported")(static_cast <bool> (qt->isIntegralOrEnumerationType () && "only integer or enum types supported") ? void ( 0) : __assert_fail ("qt->isIntegralOrEnumerationType() && \"only integer or enum types supported\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7531, __extension__ __PRETTY_FUNCTION__)); | |||
7532 | // If the variable is an enum type, take the underlying integer type as | |||
7533 | // the type of the integer literal. | |||
7534 | if (const EnumType *enum_type = llvm::dyn_cast<EnumType>(qt.getTypePtr())) { | |||
7535 | const EnumDecl *enum_decl = enum_type->getDecl(); | |||
7536 | qt = enum_decl->getIntegerType(); | |||
7537 | } | |||
7538 | var->setInit(IntegerLiteral::Create(ast, init_value, qt.getUnqualifiedType(), | |||
7539 | SourceLocation())); | |||
7540 | } | |||
7541 | ||||
7542 | void TypeSystemClang::SetFloatingInitializerForVariable( | |||
7543 | clang::VarDecl *var, const llvm::APFloat &init_value) { | |||
7544 | assert(!var->hasInit() && "variable already initialized")(static_cast <bool> (!var->hasInit() && "variable already initialized" ) ? void (0) : __assert_fail ("!var->hasInit() && \"variable already initialized\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7544, __extension__ __PRETTY_FUNCTION__)); | |||
7545 | ||||
7546 | clang::ASTContext &ast = var->getASTContext(); | |||
7547 | QualType qt = var->getType(); | |||
7548 | assert(qt->isFloatingType() && "only floating point types supported")(static_cast <bool> (qt->isFloatingType() && "only floating point types supported") ? void (0) : __assert_fail ("qt->isFloatingType() && \"only floating point types supported\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7548, __extension__ __PRETTY_FUNCTION__)); | |||
7549 | var->setInit(FloatingLiteral::Create( | |||
7550 | ast, init_value, true, qt.getUnqualifiedType(), SourceLocation())); | |||
7551 | } | |||
7552 | ||||
7553 | clang::CXXMethodDecl *TypeSystemClang::AddMethodToCXXRecordType( | |||
7554 | lldb::opaque_compiler_type_t type, llvm::StringRef name, | |||
7555 | const char *mangled_name, const CompilerType &method_clang_type, | |||
7556 | lldb::AccessType access, bool is_virtual, bool is_static, bool is_inline, | |||
7557 | bool is_explicit, bool is_attr_used, bool is_artificial) { | |||
7558 | if (!type || !method_clang_type.IsValid() || name.empty()) | |||
7559 | return nullptr; | |||
7560 | ||||
7561 | clang::QualType record_qual_type(GetCanonicalQualType(type)); | |||
7562 | ||||
7563 | clang::CXXRecordDecl *cxx_record_decl = | |||
7564 | record_qual_type->getAsCXXRecordDecl(); | |||
7565 | ||||
7566 | if (cxx_record_decl == nullptr) | |||
7567 | return nullptr; | |||
7568 | ||||
7569 | clang::QualType method_qual_type(ClangUtil::GetQualType(method_clang_type)); | |||
7570 | ||||
7571 | clang::CXXMethodDecl *cxx_method_decl = nullptr; | |||
7572 | ||||
7573 | clang::DeclarationName decl_name(&getASTContext().Idents.get(name)); | |||
7574 | ||||
7575 | const clang::FunctionType *function_type = | |||
7576 | llvm::dyn_cast<clang::FunctionType>(method_qual_type.getTypePtr()); | |||
7577 | ||||
7578 | if (function_type == nullptr) | |||
7579 | return nullptr; | |||
7580 | ||||
7581 | const clang::FunctionProtoType *method_function_prototype( | |||
7582 | llvm::dyn_cast<clang::FunctionProtoType>(function_type)); | |||
7583 | ||||
7584 | if (!method_function_prototype) | |||
7585 | return nullptr; | |||
7586 | ||||
7587 | unsigned int num_params = method_function_prototype->getNumParams(); | |||
7588 | ||||
7589 | clang::CXXDestructorDecl *cxx_dtor_decl(nullptr); | |||
7590 | clang::CXXConstructorDecl *cxx_ctor_decl(nullptr); | |||
7591 | ||||
7592 | if (is_artificial) | |||
7593 | return nullptr; // skip everything artificial | |||
7594 | ||||
7595 | const clang::ExplicitSpecifier explicit_spec( | |||
7596 | nullptr /*expr*/, is_explicit ? clang::ExplicitSpecKind::ResolvedTrue | |||
7597 | : clang::ExplicitSpecKind::ResolvedFalse); | |||
7598 | ||||
7599 | if (name.startswith("~")) { | |||
7600 | cxx_dtor_decl = | |||
7601 | clang::CXXDestructorDecl::CreateDeserialized(getASTContext(), 0); | |||
7602 | cxx_dtor_decl->setDeclContext(cxx_record_decl); | |||
7603 | cxx_dtor_decl->setDeclName( | |||
7604 | getASTContext().DeclarationNames.getCXXDestructorName( | |||
7605 | getASTContext().getCanonicalType(record_qual_type))); | |||
7606 | cxx_dtor_decl->setType(method_qual_type); | |||
7607 | cxx_dtor_decl->setImplicit(is_artificial); | |||
7608 | cxx_dtor_decl->setInlineSpecified(is_inline); | |||
7609 | cxx_dtor_decl->setConstexprKind(ConstexprSpecKind::Unspecified); | |||
7610 | cxx_method_decl = cxx_dtor_decl; | |||
7611 | } else if (decl_name == cxx_record_decl->getDeclName()) { | |||
7612 | cxx_ctor_decl = clang::CXXConstructorDecl::CreateDeserialized( | |||
7613 | getASTContext(), 0, 0); | |||
7614 | cxx_ctor_decl->setDeclContext(cxx_record_decl); | |||
7615 | cxx_ctor_decl->setDeclName( | |||
7616 | getASTContext().DeclarationNames.getCXXConstructorName( | |||
7617 | getASTContext().getCanonicalType(record_qual_type))); | |||
7618 | cxx_ctor_decl->setType(method_qual_type); | |||
7619 | cxx_ctor_decl->setImplicit(is_artificial); | |||
7620 | cxx_ctor_decl->setInlineSpecified(is_inline); | |||
7621 | cxx_ctor_decl->setConstexprKind(ConstexprSpecKind::Unspecified); | |||
7622 | cxx_ctor_decl->setNumCtorInitializers(0); | |||
7623 | cxx_ctor_decl->setExplicitSpecifier(explicit_spec); | |||
7624 | cxx_method_decl = cxx_ctor_decl; | |||
7625 | } else { | |||
7626 | clang::StorageClass SC = is_static ? clang::SC_Static : clang::SC_None; | |||
7627 | clang::OverloadedOperatorKind op_kind = clang::NUM_OVERLOADED_OPERATORS; | |||
7628 | ||||
7629 | if (IsOperator(name, op_kind)) { | |||
7630 | if (op_kind != clang::NUM_OVERLOADED_OPERATORS) { | |||
7631 | // Check the number of operator parameters. Sometimes we have seen bad | |||
7632 | // DWARF that doesn't correctly describe operators and if we try to | |||
7633 | // create a method and add it to the class, clang will assert and | |||
7634 | // crash, so we need to make sure things are acceptable. | |||
7635 | const bool is_method = true; | |||
7636 | if (!TypeSystemClang::CheckOverloadedOperatorKindParameterCount( | |||
7637 | is_method, op_kind, num_params)) | |||
7638 | return nullptr; | |||
7639 | cxx_method_decl = | |||
7640 | clang::CXXMethodDecl::CreateDeserialized(getASTContext(), 0); | |||
7641 | cxx_method_decl->setDeclContext(cxx_record_decl); | |||
7642 | cxx_method_decl->setDeclName( | |||
7643 | getASTContext().DeclarationNames.getCXXOperatorName(op_kind)); | |||
7644 | cxx_method_decl->setType(method_qual_type); | |||
7645 | cxx_method_decl->setStorageClass(SC); | |||
7646 | cxx_method_decl->setInlineSpecified(is_inline); | |||
7647 | cxx_method_decl->setConstexprKind(ConstexprSpecKind::Unspecified); | |||
7648 | } else if (num_params == 0) { | |||
7649 | // Conversion operators don't take params... | |||
7650 | auto *cxx_conversion_decl = | |||
7651 | clang::CXXConversionDecl::CreateDeserialized(getASTContext(), 0); | |||
7652 | cxx_conversion_decl->setDeclContext(cxx_record_decl); | |||
7653 | cxx_conversion_decl->setDeclName( | |||
7654 | getASTContext().DeclarationNames.getCXXConversionFunctionName( | |||
7655 | getASTContext().getCanonicalType( | |||
7656 | function_type->getReturnType()))); | |||
7657 | cxx_conversion_decl->setType(method_qual_type); | |||
7658 | cxx_conversion_decl->setInlineSpecified(is_inline); | |||
7659 | cxx_conversion_decl->setExplicitSpecifier(explicit_spec); | |||
7660 | cxx_conversion_decl->setConstexprKind(ConstexprSpecKind::Unspecified); | |||
7661 | cxx_method_decl = cxx_conversion_decl; | |||
7662 | } | |||
7663 | } | |||
7664 | ||||
7665 | if (cxx_method_decl == nullptr) { | |||
7666 | cxx_method_decl = | |||
7667 | clang::CXXMethodDecl::CreateDeserialized(getASTContext(), 0); | |||
7668 | cxx_method_decl->setDeclContext(cxx_record_decl); | |||
7669 | cxx_method_decl->setDeclName(decl_name); | |||
7670 | cxx_method_decl->setType(method_qual_type); | |||
7671 | cxx_method_decl->setInlineSpecified(is_inline); | |||
7672 | cxx_method_decl->setStorageClass(SC); | |||
7673 | cxx_method_decl->setConstexprKind(ConstexprSpecKind::Unspecified); | |||
7674 | } | |||
7675 | } | |||
7676 | SetMemberOwningModule(cxx_method_decl, cxx_record_decl); | |||
7677 | ||||
7678 | clang::AccessSpecifier access_specifier = | |||
7679 | TypeSystemClang::ConvertAccessTypeToAccessSpecifier(access); | |||
7680 | ||||
7681 | cxx_method_decl->setAccess(access_specifier); | |||
7682 | cxx_method_decl->setVirtualAsWritten(is_virtual); | |||
7683 | ||||
7684 | if (is_attr_used) | |||
7685 | cxx_method_decl->addAttr(clang::UsedAttr::CreateImplicit(getASTContext())); | |||
7686 | ||||
7687 | if (mangled_name != nullptr) { | |||
7688 | cxx_method_decl->addAttr(clang::AsmLabelAttr::CreateImplicit( | |||
7689 | getASTContext(), mangled_name, /*literal=*/false)); | |||
7690 | } | |||
7691 | ||||
7692 | // Populate the method decl with parameter decls | |||
7693 | ||||
7694 | llvm::SmallVector<clang::ParmVarDecl *, 12> params; | |||
7695 | ||||
7696 | for (unsigned param_index = 0; param_index < num_params; ++param_index) { | |||
7697 | params.push_back(clang::ParmVarDecl::Create( | |||
7698 | getASTContext(), cxx_method_decl, clang::SourceLocation(), | |||
7699 | clang::SourceLocation(), | |||
7700 | nullptr, // anonymous | |||
7701 | method_function_prototype->getParamType(param_index), nullptr, | |||
7702 | clang::SC_None, nullptr)); | |||
7703 | } | |||
7704 | ||||
7705 | cxx_method_decl->setParams(llvm::ArrayRef<clang::ParmVarDecl *>(params)); | |||
7706 | ||||
7707 | AddAccessSpecifierDecl(cxx_record_decl, getASTContext(), | |||
7708 | GetCXXRecordDeclAccess(cxx_record_decl), | |||
7709 | access_specifier); | |||
7710 | SetCXXRecordDeclAccess(cxx_record_decl, access_specifier); | |||
7711 | ||||
7712 | cxx_record_decl->addDecl(cxx_method_decl); | |||
7713 | ||||
7714 | // Sometimes the debug info will mention a constructor (default/copy/move), | |||
7715 | // destructor, or assignment operator (copy/move) but there won't be any | |||
7716 | // version of this in the code. So we check if the function was artificially | |||
7717 | // generated and if it is trivial and this lets the compiler/backend know | |||
7718 | // that it can inline the IR for these when it needs to and we can avoid a | |||
7719 | // "missing function" error when running expressions. | |||
7720 | ||||
7721 | if (is_artificial) { | |||
7722 | if (cxx_ctor_decl && ((cxx_ctor_decl->isDefaultConstructor() && | |||
7723 | cxx_record_decl->hasTrivialDefaultConstructor()) || | |||
7724 | (cxx_ctor_decl->isCopyConstructor() && | |||
7725 | cxx_record_decl->hasTrivialCopyConstructor()) || | |||
7726 | (cxx_ctor_decl->isMoveConstructor() && | |||
7727 | cxx_record_decl->hasTrivialMoveConstructor()))) { | |||
7728 | cxx_ctor_decl->setDefaulted(); | |||
7729 | cxx_ctor_decl->setTrivial(true); | |||
7730 | } else if (cxx_dtor_decl) { | |||
7731 | if (cxx_record_decl->hasTrivialDestructor()) { | |||
7732 | cxx_dtor_decl->setDefaulted(); | |||
7733 | cxx_dtor_decl->setTrivial(true); | |||
7734 | } | |||
7735 | } else if ((cxx_method_decl->isCopyAssignmentOperator() && | |||
7736 | cxx_record_decl->hasTrivialCopyAssignment()) || | |||
7737 | (cxx_method_decl->isMoveAssignmentOperator() && | |||
7738 | cxx_record_decl->hasTrivialMoveAssignment())) { | |||
7739 | cxx_method_decl->setDefaulted(); | |||
7740 | cxx_method_decl->setTrivial(true); | |||
7741 | } | |||
7742 | } | |||
7743 | ||||
7744 | VerifyDecl(cxx_method_decl); | |||
7745 | ||||
7746 | return cxx_method_decl; | |||
7747 | } | |||
7748 | ||||
7749 | void TypeSystemClang::AddMethodOverridesForCXXRecordType( | |||
7750 | lldb::opaque_compiler_type_t type) { | |||
7751 | if (auto *record = GetAsCXXRecordDecl(type)) | |||
7752 | for (auto *method : record->methods()) | |||
7753 | addOverridesForMethod(method); | |||
7754 | } | |||
7755 | ||||
7756 | #pragma mark C++ Base Classes | |||
7757 | ||||
7758 | std::unique_ptr<clang::CXXBaseSpecifier> | |||
7759 | TypeSystemClang::CreateBaseClassSpecifier(lldb::opaque_compiler_type_t type, | |||
7760 | AccessType access, bool is_virtual, | |||
7761 | bool base_of_class) { | |||
7762 | if (!type) | |||
7763 | return nullptr; | |||
7764 | ||||
7765 | return std::make_unique<clang::CXXBaseSpecifier>( | |||
7766 | clang::SourceRange(), is_virtual, base_of_class, | |||
7767 | TypeSystemClang::ConvertAccessTypeToAccessSpecifier(access), | |||
7768 | getASTContext().getTrivialTypeSourceInfo(GetQualType(type)), | |||
7769 | clang::SourceLocation()); | |||
7770 | } | |||
7771 | ||||
7772 | bool TypeSystemClang::TransferBaseClasses( | |||
7773 | lldb::opaque_compiler_type_t type, | |||
7774 | std::vector<std::unique_ptr<clang::CXXBaseSpecifier>> bases) { | |||
7775 | if (!type) | |||
7776 | return false; | |||
7777 | clang::CXXRecordDecl *cxx_record_decl = GetAsCXXRecordDecl(type); | |||
7778 | if (!cxx_record_decl) | |||
7779 | return false; | |||
7780 | std::vector<clang::CXXBaseSpecifier *> raw_bases; | |||
7781 | raw_bases.reserve(bases.size()); | |||
7782 | ||||
7783 | // Clang will make a copy of them, so it's ok that we pass pointers that we're | |||
7784 | // about to destroy. | |||
7785 | for (auto &b : bases) | |||
7786 | raw_bases.push_back(b.get()); | |||
7787 | cxx_record_decl->setBases(raw_bases.data(), raw_bases.size()); | |||
7788 | return true; | |||
7789 | } | |||
7790 | ||||
7791 | bool TypeSystemClang::SetObjCSuperClass( | |||
7792 | const CompilerType &type, const CompilerType &superclass_clang_type) { | |||
7793 | TypeSystemClang *ast = | |||
7794 | llvm::dyn_cast_or_null<TypeSystemClang>(type.GetTypeSystem()); | |||
7795 | if (!ast) | |||
7796 | return false; | |||
7797 | clang::ASTContext &clang_ast = ast->getASTContext(); | |||
7798 | ||||
7799 | if (type && superclass_clang_type.IsValid() && | |||
7800 | superclass_clang_type.GetTypeSystem() == type.GetTypeSystem()) { | |||
7801 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
7802 | GetAsObjCInterfaceDecl(type); | |||
7803 | clang::ObjCInterfaceDecl *super_interface_decl = | |||
7804 | GetAsObjCInterfaceDecl(superclass_clang_type); | |||
7805 | if (class_interface_decl && super_interface_decl) { | |||
7806 | class_interface_decl->setSuperClass(clang_ast.getTrivialTypeSourceInfo( | |||
7807 | clang_ast.getObjCInterfaceType(super_interface_decl))); | |||
7808 | return true; | |||
7809 | } | |||
7810 | } | |||
7811 | return false; | |||
7812 | } | |||
7813 | ||||
7814 | bool TypeSystemClang::AddObjCClassProperty( | |||
7815 | const CompilerType &type, const char *property_name, | |||
7816 | const CompilerType &property_clang_type, clang::ObjCIvarDecl *ivar_decl, | |||
7817 | const char *property_setter_name, const char *property_getter_name, | |||
7818 | uint32_t property_attributes, ClangASTMetadata *metadata) { | |||
7819 | if (!type || !property_clang_type.IsValid() || property_name == nullptr || | |||
7820 | property_name[0] == '\0') | |||
7821 | return false; | |||
7822 | TypeSystemClang *ast = llvm::dyn_cast<TypeSystemClang>(type.GetTypeSystem()); | |||
7823 | if (!ast) | |||
7824 | return false; | |||
7825 | clang::ASTContext &clang_ast = ast->getASTContext(); | |||
7826 | ||||
7827 | clang::ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl(type); | |||
7828 | if (!class_interface_decl) | |||
7829 | return false; | |||
7830 | ||||
7831 | CompilerType property_clang_type_to_access; | |||
7832 | ||||
7833 | if (property_clang_type.IsValid()) | |||
7834 | property_clang_type_to_access = property_clang_type; | |||
7835 | else if (ivar_decl) | |||
7836 | property_clang_type_to_access = ast->GetType(ivar_decl->getType()); | |||
7837 | ||||
7838 | if (!class_interface_decl || !property_clang_type_to_access.IsValid()) | |||
7839 | return false; | |||
7840 | ||||
7841 | clang::TypeSourceInfo *prop_type_source; | |||
7842 | if (ivar_decl) | |||
7843 | prop_type_source = clang_ast.getTrivialTypeSourceInfo(ivar_decl->getType()); | |||
7844 | else | |||
7845 | prop_type_source = clang_ast.getTrivialTypeSourceInfo( | |||
7846 | ClangUtil::GetQualType(property_clang_type)); | |||
7847 | ||||
7848 | clang::ObjCPropertyDecl *property_decl = | |||
7849 | clang::ObjCPropertyDecl::CreateDeserialized(clang_ast, 0); | |||
7850 | property_decl->setDeclContext(class_interface_decl); | |||
7851 | property_decl->setDeclName(&clang_ast.Idents.get(property_name)); | |||
7852 | property_decl->setType(ivar_decl | |||
7853 | ? ivar_decl->getType() | |||
7854 | : ClangUtil::GetQualType(property_clang_type), | |||
7855 | prop_type_source); | |||
7856 | SetMemberOwningModule(property_decl, class_interface_decl); | |||
7857 | ||||
7858 | if (!property_decl) | |||
7859 | return false; | |||
7860 | ||||
7861 | if (metadata) | |||
7862 | ast->SetMetadata(property_decl, *metadata); | |||
7863 | ||||
7864 | class_interface_decl->addDecl(property_decl); | |||
7865 | ||||
7866 | clang::Selector setter_sel, getter_sel; | |||
7867 | ||||
7868 | if (property_setter_name) { | |||
7869 | std::string property_setter_no_colon(property_setter_name, | |||
7870 | strlen(property_setter_name) - 1); | |||
7871 | clang::IdentifierInfo *setter_ident = | |||
7872 | &clang_ast.Idents.get(property_setter_no_colon); | |||
7873 | setter_sel = clang_ast.Selectors.getSelector(1, &setter_ident); | |||
7874 | } else if (!(property_attributes & DW_APPLE_PROPERTY_readonly)) { | |||
7875 | std::string setter_sel_string("set"); | |||
7876 | setter_sel_string.push_back(::toupper(property_name[0])); | |||
7877 | setter_sel_string.append(&property_name[1]); | |||
7878 | clang::IdentifierInfo *setter_ident = | |||
7879 | &clang_ast.Idents.get(setter_sel_string); | |||
7880 | setter_sel = clang_ast.Selectors.getSelector(1, &setter_ident); | |||
7881 | } | |||
7882 | property_decl->setSetterName(setter_sel); | |||
7883 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_setter); | |||
7884 | ||||
7885 | if (property_getter_name != nullptr) { | |||
7886 | clang::IdentifierInfo *getter_ident = | |||
7887 | &clang_ast.Idents.get(property_getter_name); | |||
7888 | getter_sel = clang_ast.Selectors.getSelector(0, &getter_ident); | |||
7889 | } else { | |||
7890 | clang::IdentifierInfo *getter_ident = &clang_ast.Idents.get(property_name); | |||
7891 | getter_sel = clang_ast.Selectors.getSelector(0, &getter_ident); | |||
7892 | } | |||
7893 | property_decl->setGetterName(getter_sel); | |||
7894 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_getter); | |||
7895 | ||||
7896 | if (ivar_decl) | |||
7897 | property_decl->setPropertyIvarDecl(ivar_decl); | |||
7898 | ||||
7899 | if (property_attributes & DW_APPLE_PROPERTY_readonly) | |||
7900 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_readonly); | |||
7901 | if (property_attributes & DW_APPLE_PROPERTY_readwrite) | |||
7902 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_readwrite); | |||
7903 | if (property_attributes & DW_APPLE_PROPERTY_assign) | |||
7904 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_assign); | |||
7905 | if (property_attributes & DW_APPLE_PROPERTY_retain) | |||
7906 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_retain); | |||
7907 | if (property_attributes & DW_APPLE_PROPERTY_copy) | |||
7908 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_copy); | |||
7909 | if (property_attributes & DW_APPLE_PROPERTY_nonatomic) | |||
7910 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_nonatomic); | |||
7911 | if (property_attributes & ObjCPropertyAttribute::kind_nullability) | |||
7912 | property_decl->setPropertyAttributes( | |||
7913 | ObjCPropertyAttribute::kind_nullability); | |||
7914 | if (property_attributes & ObjCPropertyAttribute::kind_null_resettable) | |||
7915 | property_decl->setPropertyAttributes( | |||
7916 | ObjCPropertyAttribute::kind_null_resettable); | |||
7917 | if (property_attributes & ObjCPropertyAttribute::kind_class) | |||
7918 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_class); | |||
7919 | ||||
7920 | const bool isInstance = | |||
7921 | (property_attributes & ObjCPropertyAttribute::kind_class) == 0; | |||
7922 | ||||
7923 | clang::ObjCMethodDecl *getter = nullptr; | |||
7924 | if (!getter_sel.isNull()) | |||
7925 | getter = isInstance ? class_interface_decl->lookupInstanceMethod(getter_sel) | |||
7926 | : class_interface_decl->lookupClassMethod(getter_sel); | |||
7927 | if (!getter_sel.isNull() && !getter) { | |||
7928 | const bool isVariadic = false; | |||
7929 | const bool isPropertyAccessor = true; | |||
7930 | const bool isSynthesizedAccessorStub = false; | |||
7931 | const bool isImplicitlyDeclared = true; | |||
7932 | const bool isDefined = false; | |||
7933 | const clang::ObjCMethodDecl::ImplementationControl impControl = | |||
7934 | clang::ObjCMethodDecl::None; | |||
7935 | const bool HasRelatedResultType = false; | |||
7936 | ||||
7937 | getter = clang::ObjCMethodDecl::CreateDeserialized(clang_ast, 0); | |||
7938 | getter->setDeclName(getter_sel); | |||
7939 | getter->setReturnType(ClangUtil::GetQualType(property_clang_type_to_access)); | |||
7940 | getter->setDeclContext(class_interface_decl); | |||
7941 | getter->setInstanceMethod(isInstance); | |||
7942 | getter->setVariadic(isVariadic); | |||
7943 | getter->setPropertyAccessor(isPropertyAccessor); | |||
7944 | getter->setSynthesizedAccessorStub(isSynthesizedAccessorStub); | |||
7945 | getter->setImplicit(isImplicitlyDeclared); | |||
7946 | getter->setDefined(isDefined); | |||
7947 | getter->setDeclImplementation(impControl); | |||
7948 | getter->setRelatedResultType(HasRelatedResultType); | |||
7949 | SetMemberOwningModule(getter, class_interface_decl); | |||
7950 | ||||
7951 | if (getter) { | |||
7952 | if (metadata) | |||
7953 | ast->SetMetadata(getter, *metadata); | |||
7954 | ||||
7955 | getter->setMethodParams(clang_ast, llvm::ArrayRef<clang::ParmVarDecl *>(), | |||
7956 | llvm::ArrayRef<clang::SourceLocation>()); | |||
7957 | class_interface_decl->addDecl(getter); | |||
7958 | } | |||
7959 | } | |||
7960 | if (getter) { | |||
7961 | getter->setPropertyAccessor(true); | |||
7962 | property_decl->setGetterMethodDecl(getter); | |||
7963 | } | |||
7964 | ||||
7965 | clang::ObjCMethodDecl *setter = nullptr; | |||
7966 | setter = isInstance ? class_interface_decl->lookupInstanceMethod(setter_sel) | |||
7967 | : class_interface_decl->lookupClassMethod(setter_sel); | |||
7968 | if (!setter_sel.isNull() && !setter) { | |||
7969 | clang::QualType result_type = clang_ast.VoidTy; | |||
7970 | const bool isVariadic = false; | |||
7971 | const bool isPropertyAccessor = true; | |||
7972 | const bool isSynthesizedAccessorStub = false; | |||
7973 | const bool isImplicitlyDeclared = true; | |||
7974 | const bool isDefined = false; | |||
7975 | const clang::ObjCMethodDecl::ImplementationControl impControl = | |||
7976 | clang::ObjCMethodDecl::None; | |||
7977 | const bool HasRelatedResultType = false; | |||
7978 | ||||
7979 | setter = clang::ObjCMethodDecl::CreateDeserialized(clang_ast, 0); | |||
7980 | setter->setDeclName(setter_sel); | |||
7981 | setter->setReturnType(result_type); | |||
7982 | setter->setDeclContext(class_interface_decl); | |||
7983 | setter->setInstanceMethod(isInstance); | |||
7984 | setter->setVariadic(isVariadic); | |||
7985 | setter->setPropertyAccessor(isPropertyAccessor); | |||
7986 | setter->setSynthesizedAccessorStub(isSynthesizedAccessorStub); | |||
7987 | setter->setImplicit(isImplicitlyDeclared); | |||
7988 | setter->setDefined(isDefined); | |||
7989 | setter->setDeclImplementation(impControl); | |||
7990 | setter->setRelatedResultType(HasRelatedResultType); | |||
7991 | SetMemberOwningModule(setter, class_interface_decl); | |||
7992 | ||||
7993 | if (setter) { | |||
7994 | if (metadata) | |||
7995 | ast->SetMetadata(setter, *metadata); | |||
7996 | ||||
7997 | llvm::SmallVector<clang::ParmVarDecl *, 1> params; | |||
7998 | params.push_back(clang::ParmVarDecl::Create( | |||
7999 | clang_ast, setter, clang::SourceLocation(), clang::SourceLocation(), | |||
8000 | nullptr, // anonymous | |||
8001 | ClangUtil::GetQualType(property_clang_type_to_access), nullptr, | |||
8002 | clang::SC_Auto, nullptr)); | |||
8003 | ||||
8004 | setter->setMethodParams(clang_ast, | |||
8005 | llvm::ArrayRef<clang::ParmVarDecl *>(params), | |||
8006 | llvm::ArrayRef<clang::SourceLocation>()); | |||
8007 | ||||
8008 | class_interface_decl->addDecl(setter); | |||
8009 | } | |||
8010 | } | |||
8011 | if (setter) { | |||
8012 | setter->setPropertyAccessor(true); | |||
8013 | property_decl->setSetterMethodDecl(setter); | |||
8014 | } | |||
8015 | ||||
8016 | return true; | |||
8017 | } | |||
8018 | ||||
8019 | bool TypeSystemClang::IsObjCClassTypeAndHasIVars(const CompilerType &type, | |||
8020 | bool check_superclass) { | |||
8021 | clang::ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl(type); | |||
8022 | if (class_interface_decl) | |||
8023 | return ObjCDeclHasIVars(class_interface_decl, check_superclass); | |||
8024 | return false; | |||
8025 | } | |||
8026 | ||||
8027 | clang::ObjCMethodDecl *TypeSystemClang::AddMethodToObjCObjectType( | |||
8028 | const CompilerType &type, | |||
8029 | const char *name, // the full symbol name as seen in the symbol table | |||
8030 | // (lldb::opaque_compiler_type_t type, "-[NString | |||
8031 | // stringWithCString:]") | |||
8032 | const CompilerType &method_clang_type, lldb::AccessType access, | |||
8033 | bool is_artificial, bool is_variadic, bool is_objc_direct_call) { | |||
8034 | if (!type || !method_clang_type.IsValid()) | |||
8035 | return nullptr; | |||
8036 | ||||
8037 | clang::ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl(type); | |||
8038 | ||||
8039 | if (class_interface_decl == nullptr) | |||
8040 | return nullptr; | |||
8041 | TypeSystemClang *lldb_ast = | |||
8042 | llvm::dyn_cast<TypeSystemClang>(type.GetTypeSystem()); | |||
8043 | if (lldb_ast == nullptr) | |||
8044 | return nullptr; | |||
8045 | clang::ASTContext &ast = lldb_ast->getASTContext(); | |||
8046 | ||||
8047 | const char *selector_start = ::strchr(name, ' '); | |||
8048 | if (selector_start == nullptr) | |||
8049 | return nullptr; | |||
8050 | ||||
8051 | selector_start++; | |||
8052 | llvm::SmallVector<clang::IdentifierInfo *, 12> selector_idents; | |||
8053 | ||||
8054 | size_t len = 0; | |||
8055 | const char *start; | |||
8056 | ||||
8057 | unsigned num_selectors_with_args = 0; | |||
8058 | for (start = selector_start; start && *start != '\0' && *start != ']'; | |||
8059 | start += len) { | |||
8060 | len = ::strcspn(start, ":]"); | |||
8061 | bool has_arg = (start[len] == ':'); | |||
8062 | if (has_arg) | |||
8063 | ++num_selectors_with_args; | |||
8064 | selector_idents.push_back(&ast.Idents.get(llvm::StringRef(start, len))); | |||
8065 | if (has_arg) | |||
8066 | len += 1; | |||
8067 | } | |||
8068 | ||||
8069 | if (selector_idents.size() == 0) | |||
8070 | return nullptr; | |||
8071 | ||||
8072 | clang::Selector method_selector = ast.Selectors.getSelector( | |||
8073 | num_selectors_with_args ? selector_idents.size() : 0, | |||
8074 | selector_idents.data()); | |||
8075 | ||||
8076 | clang::QualType method_qual_type(ClangUtil::GetQualType(method_clang_type)); | |||
8077 | ||||
8078 | // Populate the method decl with parameter decls | |||
8079 | const clang::Type *method_type(method_qual_type.getTypePtr()); | |||
8080 | ||||
8081 | if (method_type == nullptr) | |||
8082 | return nullptr; | |||
8083 | ||||
8084 | const clang::FunctionProtoType *method_function_prototype( | |||
8085 | llvm::dyn_cast<clang::FunctionProtoType>(method_type)); | |||
8086 | ||||
8087 | if (!method_function_prototype) | |||
8088 | return nullptr; | |||
8089 | ||||
8090 | const bool isInstance = (name[0] == '-'); | |||
8091 | const bool isVariadic = is_variadic; | |||
8092 | const bool isPropertyAccessor = false; | |||
8093 | const bool isSynthesizedAccessorStub = false; | |||
8094 | /// Force this to true because we don't have source locations. | |||
8095 | const bool isImplicitlyDeclared = true; | |||
8096 | const bool isDefined = false; | |||
8097 | const clang::ObjCMethodDecl::ImplementationControl impControl = | |||
8098 | clang::ObjCMethodDecl::None; | |||
8099 | const bool HasRelatedResultType = false; | |||
8100 | ||||
8101 | const unsigned num_args = method_function_prototype->getNumParams(); | |||
8102 | ||||
8103 | if (num_args != num_selectors_with_args) | |||
8104 | return nullptr; // some debug information is corrupt. We are not going to | |||
8105 | // deal with it. | |||
8106 | ||||
8107 | auto *objc_method_decl = clang::ObjCMethodDecl::CreateDeserialized(ast, 0); | |||
8108 | objc_method_decl->setDeclName(method_selector); | |||
8109 | objc_method_decl->setReturnType(method_function_prototype->getReturnType()); | |||
8110 | objc_method_decl->setDeclContext( | |||
8111 | lldb_ast->GetDeclContextForType(ClangUtil::GetQualType(type))); | |||
8112 | objc_method_decl->setInstanceMethod(isInstance); | |||
8113 | objc_method_decl->setVariadic(isVariadic); | |||
8114 | objc_method_decl->setPropertyAccessor(isPropertyAccessor); | |||
8115 | objc_method_decl->setSynthesizedAccessorStub(isSynthesizedAccessorStub); | |||
8116 | objc_method_decl->setImplicit(isImplicitlyDeclared); | |||
8117 | objc_method_decl->setDefined(isDefined); | |||
8118 | objc_method_decl->setDeclImplementation(impControl); | |||
8119 | objc_method_decl->setRelatedResultType(HasRelatedResultType); | |||
8120 | SetMemberOwningModule(objc_method_decl, class_interface_decl); | |||
8121 | ||||
8122 | if (objc_method_decl == nullptr) | |||
8123 | return nullptr; | |||
8124 | ||||
8125 | if (num_args > 0) { | |||
8126 | llvm::SmallVector<clang::ParmVarDecl *, 12> params; | |||
8127 | ||||
8128 | for (unsigned param_index = 0; param_index < num_args; ++param_index) { | |||
8129 | params.push_back(clang::ParmVarDecl::Create( | |||
8130 | ast, objc_method_decl, clang::SourceLocation(), | |||
8131 | clang::SourceLocation(), | |||
8132 | nullptr, // anonymous | |||
8133 | method_function_prototype->getParamType(param_index), nullptr, | |||
8134 | clang::SC_Auto, nullptr)); | |||
8135 | } | |||
8136 | ||||
8137 | objc_method_decl->setMethodParams( | |||
8138 | ast, llvm::ArrayRef<clang::ParmVarDecl *>(params), | |||
8139 | llvm::ArrayRef<clang::SourceLocation>()); | |||
8140 | } | |||
8141 | ||||
8142 | if (is_objc_direct_call) { | |||
8143 | // Add a the objc_direct attribute to the declaration we generate that | |||
8144 | // we generate a direct method call for this ObjCMethodDecl. | |||
8145 | objc_method_decl->addAttr( | |||
8146 | clang::ObjCDirectAttr::CreateImplicit(ast, SourceLocation())); | |||
8147 | // Usually Sema is creating implicit parameters (e.g., self) when it | |||
8148 | // parses the method. We don't have a parsing Sema when we build our own | |||
8149 | // AST here so we manually need to create these implicit parameters to | |||
8150 | // make the direct call code generation happy. | |||
8151 | objc_method_decl->createImplicitParams(ast, class_interface_decl); | |||
8152 | } | |||
8153 | ||||
8154 | class_interface_decl->addDecl(objc_method_decl); | |||
8155 | ||||
8156 | VerifyDecl(objc_method_decl); | |||
8157 | ||||
8158 | return objc_method_decl; | |||
8159 | } | |||
8160 | ||||
8161 | bool TypeSystemClang::SetHasExternalStorage(lldb::opaque_compiler_type_t type, | |||
8162 | bool has_extern) { | |||
8163 | if (!type) | |||
8164 | return false; | |||
8165 | ||||
8166 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); | |||
8167 | ||||
8168 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
8169 | switch (type_class) { | |||
8170 | case clang::Type::Record: { | |||
8171 | clang::CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); | |||
8172 | if (cxx_record_decl) { | |||
8173 | cxx_record_decl->setHasExternalLexicalStorage(has_extern); | |||
8174 | cxx_record_decl->setHasExternalVisibleStorage(has_extern); | |||
8175 | return true; | |||
8176 | } | |||
8177 | } break; | |||
8178 | ||||
8179 | case clang::Type::Enum: { | |||
8180 | clang::EnumDecl *enum_decl = | |||
8181 | llvm::cast<clang::EnumType>(qual_type)->getDecl(); | |||
8182 | if (enum_decl) { | |||
8183 | enum_decl->setHasExternalLexicalStorage(has_extern); | |||
8184 | enum_decl->setHasExternalVisibleStorage(has_extern); | |||
8185 | return true; | |||
8186 | } | |||
8187 | } break; | |||
8188 | ||||
8189 | case clang::Type::ObjCObject: | |||
8190 | case clang::Type::ObjCInterface: { | |||
8191 | const clang::ObjCObjectType *objc_class_type = | |||
8192 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); | |||
8193 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8193, __extension__ __PRETTY_FUNCTION__)); | |||
8194 | if (objc_class_type) { | |||
8195 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
8196 | objc_class_type->getInterface(); | |||
8197 | ||||
8198 | if (class_interface_decl) { | |||
8199 | class_interface_decl->setHasExternalLexicalStorage(has_extern); | |||
8200 | class_interface_decl->setHasExternalVisibleStorage(has_extern); | |||
8201 | return true; | |||
8202 | } | |||
8203 | } | |||
8204 | } break; | |||
8205 | ||||
8206 | default: | |||
8207 | break; | |||
8208 | } | |||
8209 | return false; | |||
8210 | } | |||
8211 | ||||
8212 | #pragma mark TagDecl | |||
8213 | ||||
8214 | bool TypeSystemClang::StartTagDeclarationDefinition(const CompilerType &type) { | |||
8215 | clang::QualType qual_type(ClangUtil::GetQualType(type)); | |||
8216 | if (!qual_type.isNull()) { | |||
8217 | const clang::TagType *tag_type = qual_type->getAs<clang::TagType>(); | |||
8218 | if (tag_type) { | |||
8219 | clang::TagDecl *tag_decl = tag_type->getDecl(); | |||
8220 | if (tag_decl) { | |||
8221 | tag_decl->startDefinition(); | |||
8222 | return true; | |||
8223 | } | |||
8224 | } | |||
8225 | ||||
8226 | const clang::ObjCObjectType *object_type = | |||
8227 | qual_type->getAs<clang::ObjCObjectType>(); | |||
8228 | if (object_type) { | |||
8229 | clang::ObjCInterfaceDecl *interface_decl = object_type->getInterface(); | |||
8230 | if (interface_decl) { | |||
8231 | interface_decl->startDefinition(); | |||
8232 | return true; | |||
8233 | } | |||
8234 | } | |||
8235 | } | |||
8236 | return false; | |||
8237 | } | |||
8238 | ||||
8239 | bool TypeSystemClang::CompleteTagDeclarationDefinition( | |||
8240 | const CompilerType &type) { | |||
8241 | clang::QualType qual_type(ClangUtil::GetQualType(type)); | |||
8242 | if (qual_type.isNull()) | |||
8243 | return false; | |||
8244 | ||||
8245 | TypeSystemClang *lldb_ast = | |||
8246 | llvm::dyn_cast<TypeSystemClang>(type.GetTypeSystem()); | |||
8247 | if (lldb_ast == nullptr) | |||
8248 | return false; | |||
8249 | ||||
8250 | // Make sure we use the same methodology as | |||
8251 | // TypeSystemClang::StartTagDeclarationDefinition() as to how we start/end | |||
8252 | // the definition. | |||
8253 | const clang::TagType *tag_type = qual_type->getAs<clang::TagType>(); | |||
8254 | if (tag_type) { | |||
8255 | clang::TagDecl *tag_decl = tag_type->getDecl(); | |||
8256 | ||||
8257 | if (auto *cxx_record_decl = llvm::dyn_cast<CXXRecordDecl>(tag_decl)) { | |||
8258 | // If we have a move constructor declared but no copy constructor we | |||
8259 | // need to explicitly mark it as deleted. Usually Sema would do this for | |||
8260 | // us in Sema::DeclareImplicitCopyConstructor but we don't have a Sema | |||
8261 | // when building an AST from debug information. | |||
8262 | // See also: | |||
8263 | // C++11 [class.copy]p7, p18: | |||
8264 | // If the class definition declares a move constructor or move assignment | |||
8265 | // operator, an implicitly declared copy constructor or copy assignment | |||
8266 | // operator is defined as deleted. | |||
8267 | if (cxx_record_decl->hasUserDeclaredMoveConstructor() || | |||
8268 | cxx_record_decl->hasUserDeclaredMoveAssignment()) { | |||
8269 | if (cxx_record_decl->needsImplicitCopyConstructor()) | |||
8270 | cxx_record_decl->setImplicitCopyConstructorIsDeleted(); | |||
8271 | if (cxx_record_decl->needsImplicitCopyAssignment()) | |||
8272 | cxx_record_decl->setImplicitCopyAssignmentIsDeleted(); | |||
8273 | } | |||
8274 | ||||
8275 | if (!cxx_record_decl->isCompleteDefinition()) | |||
8276 | cxx_record_decl->completeDefinition(); | |||
8277 | cxx_record_decl->setHasLoadedFieldsFromExternalStorage(true); | |||
8278 | cxx_record_decl->setHasExternalLexicalStorage(false); | |||
8279 | cxx_record_decl->setHasExternalVisibleStorage(false); | |||
8280 | lldb_ast->SetCXXRecordDeclAccess(cxx_record_decl, | |||
8281 | clang::AccessSpecifier::AS_none); | |||
8282 | return true; | |||
8283 | } | |||
8284 | } | |||
8285 | ||||
8286 | const clang::EnumType *enutype = qual_type->getAs<clang::EnumType>(); | |||
8287 | ||||
8288 | if (!enutype) | |||
8289 | return false; | |||
8290 | clang::EnumDecl *enum_decl = enutype->getDecl(); | |||
8291 | ||||
8292 | if (enum_decl->isCompleteDefinition()) | |||
8293 | return true; | |||
8294 | ||||
8295 | clang::ASTContext &ast = lldb_ast->getASTContext(); | |||
8296 | ||||
8297 | /// TODO This really needs to be fixed. | |||
8298 | ||||
8299 | QualType integer_type(enum_decl->getIntegerType()); | |||
8300 | if (!integer_type.isNull()) { | |||
8301 | unsigned NumPositiveBits = 1; | |||
8302 | unsigned NumNegativeBits = 0; | |||
8303 | ||||
8304 | clang::QualType promotion_qual_type; | |||
8305 | // If the enum integer type is less than an integer in bit width, | |||
8306 | // then we must promote it to an integer size. | |||
8307 | if (ast.getTypeSize(enum_decl->getIntegerType()) < | |||
8308 | ast.getTypeSize(ast.IntTy)) { | |||
8309 | if (enum_decl->getIntegerType()->isSignedIntegerType()) | |||
8310 | promotion_qual_type = ast.IntTy; | |||
8311 | else | |||
8312 | promotion_qual_type = ast.UnsignedIntTy; | |||
8313 | } else | |||
8314 | promotion_qual_type = enum_decl->getIntegerType(); | |||
8315 | ||||
8316 | enum_decl->completeDefinition(enum_decl->getIntegerType(), | |||
8317 | promotion_qual_type, NumPositiveBits, | |||
8318 | NumNegativeBits); | |||
8319 | } | |||
8320 | return true; | |||
8321 | } | |||
8322 | ||||
8323 | clang::EnumConstantDecl *TypeSystemClang::AddEnumerationValueToEnumerationType( | |||
8324 | const CompilerType &enum_type, const Declaration &decl, const char *name, | |||
8325 | const llvm::APSInt &value) { | |||
8326 | ||||
8327 | if (!enum_type || ConstString(name).IsEmpty()) | |||
8328 | return nullptr; | |||
8329 | ||||
8330 | lldbassert(enum_type.GetTypeSystem() == static_cast<TypeSystem *>(this))lldb_private::lldb_assert(static_cast<bool>(enum_type.GetTypeSystem () == static_cast<TypeSystem *>(this)), "enum_type.GetTypeSystem() == static_cast<TypeSystem *>(this)" , __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8330); | |||
8331 | ||||
8332 | lldb::opaque_compiler_type_t enum_opaque_compiler_type = | |||
8333 | enum_type.GetOpaqueQualType(); | |||
8334 | ||||
8335 | if (!enum_opaque_compiler_type) | |||
8336 | return nullptr; | |||
8337 | ||||
8338 | clang::QualType enum_qual_type( | |||
8339 | GetCanonicalQualType(enum_opaque_compiler_type)); | |||
8340 | ||||
8341 | const clang::Type *clang_type = enum_qual_type.getTypePtr(); | |||
8342 | ||||
8343 | if (!clang_type) | |||
8344 | return nullptr; | |||
8345 | ||||
8346 | const clang::EnumType *enutype = llvm::dyn_cast<clang::EnumType>(clang_type); | |||
8347 | ||||
8348 | if (!enutype) | |||
8349 | return nullptr; | |||
8350 | ||||
8351 | clang::EnumConstantDecl *enumerator_decl = | |||
8352 | clang::EnumConstantDecl::CreateDeserialized(getASTContext(), 0); | |||
8353 | enumerator_decl->setDeclContext(enutype->getDecl()); | |||
8354 | if (name && name[0]) | |||
8355 | enumerator_decl->setDeclName(&getASTContext().Idents.get(name)); | |||
8356 | enumerator_decl->setType(clang::QualType(enutype, 0)); | |||
8357 | enumerator_decl->setInitVal(value); | |||
8358 | SetMemberOwningModule(enumerator_decl, enutype->getDecl()); | |||
8359 | ||||
8360 | if (!enumerator_decl) | |||
8361 | return nullptr; | |||
8362 | ||||
8363 | enutype->getDecl()->addDecl(enumerator_decl); | |||
8364 | ||||
8365 | VerifyDecl(enumerator_decl); | |||
8366 | return enumerator_decl; | |||
8367 | } | |||
8368 | ||||
8369 | clang::EnumConstantDecl *TypeSystemClang::AddEnumerationValueToEnumerationType( | |||
8370 | const CompilerType &enum_type, const Declaration &decl, const char *name, | |||
8371 | int64_t enum_value, uint32_t enum_value_bit_size) { | |||
8372 | CompilerType underlying_type = GetEnumerationIntegerType(enum_type); | |||
8373 | bool is_signed = false; | |||
8374 | underlying_type.IsIntegerType(is_signed); | |||
8375 | ||||
8376 | llvm::APSInt value(enum_value_bit_size, is_signed); | |||
8377 | value = enum_value; | |||
8378 | ||||
8379 | return AddEnumerationValueToEnumerationType(enum_type, decl, name, value); | |||
8380 | } | |||
8381 | ||||
8382 | CompilerType TypeSystemClang::GetEnumerationIntegerType(CompilerType type) { | |||
8383 | clang::QualType qt(ClangUtil::GetQualType(type)); | |||
8384 | const clang::Type *clang_type = qt.getTypePtrOrNull(); | |||
8385 | const auto *enum_type = llvm::dyn_cast_or_null<clang::EnumType>(clang_type); | |||
8386 | if (!enum_type) | |||
8387 | return CompilerType(); | |||
8388 | ||||
8389 | return GetType(enum_type->getDecl()->getIntegerType()); | |||
8390 | } | |||
8391 | ||||
8392 | CompilerType | |||
8393 | TypeSystemClang::CreateMemberPointerType(const CompilerType &type, | |||
8394 | const CompilerType &pointee_type) { | |||
8395 | if (type && pointee_type.IsValid() && | |||
8396 | type.GetTypeSystem() == pointee_type.GetTypeSystem()) { | |||
8397 | TypeSystemClang *ast = | |||
8398 | llvm::dyn_cast<TypeSystemClang>(type.GetTypeSystem()); | |||
8399 | if (!ast) | |||
8400 | return CompilerType(); | |||
8401 | return ast->GetType(ast->getASTContext().getMemberPointerType( | |||
8402 | ClangUtil::GetQualType(pointee_type), | |||
8403 | ClangUtil::GetQualType(type).getTypePtr())); | |||
8404 | } | |||
8405 | return CompilerType(); | |||
8406 | } | |||
8407 | ||||
8408 | // Dumping types | |||
8409 | #define DEPTH_INCREMENT2 2 | |||
8410 | ||||
8411 | #ifndef NDEBUG | |||
8412 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void | |||
8413 | TypeSystemClang::dump(lldb::opaque_compiler_type_t type) const { | |||
8414 | if (!type) | |||
8415 | return; | |||
8416 | clang::QualType qual_type(GetQualType(type)); | |||
8417 | qual_type.dump(); | |||
8418 | } | |||
8419 | #endif | |||
8420 | ||||
8421 | void TypeSystemClang::Dump(llvm::raw_ostream &output) { | |||
8422 | GetTranslationUnitDecl()->dump(output); | |||
8423 | } | |||
8424 | ||||
8425 | void TypeSystemClang::DumpFromSymbolFile(Stream &s, | |||
8426 | llvm::StringRef symbol_name) { | |||
8427 | SymbolFile *symfile = GetSymbolFile(); | |||
8428 | ||||
8429 | if (!symfile) | |||
8430 | return; | |||
8431 | ||||
8432 | lldb_private::TypeList type_list; | |||
8433 | symfile->GetTypes(nullptr, eTypeClassAny, type_list); | |||
8434 | size_t ntypes = type_list.GetSize(); | |||
8435 | ||||
8436 | for (size_t i = 0; i < ntypes; ++i) { | |||
8437 | TypeSP type = type_list.GetTypeAtIndex(i); | |||
8438 | ||||
8439 | if (!symbol_name.empty()) | |||
8440 | if (symbol_name != type->GetName().GetStringRef()) | |||
8441 | continue; | |||
8442 | ||||
8443 | s << type->GetName().AsCString() << "\n"; | |||
8444 | ||||
8445 | CompilerType full_type = type->GetFullCompilerType(); | |||
8446 | if (clang::TagDecl *tag_decl = GetAsTagDecl(full_type)) { | |||
8447 | tag_decl->dump(s.AsRawOstream()); | |||
8448 | continue; | |||
8449 | } | |||
8450 | if (clang::TypedefNameDecl *typedef_decl = GetAsTypedefDecl(full_type)) { | |||
8451 | typedef_decl->dump(s.AsRawOstream()); | |||
8452 | continue; | |||
8453 | } | |||
8454 | if (auto *objc_obj = llvm::dyn_cast<clang::ObjCObjectType>( | |||
8455 | ClangUtil::GetQualType(full_type).getTypePtr())) { | |||
8456 | if (clang::ObjCInterfaceDecl *interface_decl = objc_obj->getInterface()) { | |||
8457 | interface_decl->dump(s.AsRawOstream()); | |||
8458 | continue; | |||
8459 | } | |||
8460 | } | |||
8461 | GetCanonicalQualType(full_type.GetOpaqueQualType()) | |||
8462 | .dump(s.AsRawOstream(), getASTContext()); | |||
8463 | } | |||
8464 | } | |||
8465 | ||||
8466 | void TypeSystemClang::DumpValue( | |||
8467 | lldb::opaque_compiler_type_t type, ExecutionContext *exe_ctx, Stream *s, | |||
8468 | lldb::Format format, const lldb_private::DataExtractor &data, | |||
8469 | lldb::offset_t data_byte_offset, size_t data_byte_size, | |||
8470 | uint32_t bitfield_bit_size, uint32_t bitfield_bit_offset, bool show_types, | |||
8471 | bool show_summary, bool verbose, uint32_t depth) { | |||
8472 | if (!type) | |||
8473 | return; | |||
8474 | ||||
8475 | clang::QualType qual_type(GetQualType(type)); | |||
8476 | switch (qual_type->getTypeClass()) { | |||
8477 | case clang::Type::Record: | |||
8478 | if (GetCompleteType(type)) { | |||
8479 | const clang::RecordType *record_type = | |||
8480 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); | |||
8481 | const clang::RecordDecl *record_decl = record_type->getDecl(); | |||
8482 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8482, __extension__ __PRETTY_FUNCTION__)); | |||
8483 | uint32_t field_bit_offset = 0; | |||
8484 | uint32_t field_byte_offset = 0; | |||
8485 | const clang::ASTRecordLayout &record_layout = | |||
8486 | getASTContext().getASTRecordLayout(record_decl); | |||
8487 | uint32_t child_idx = 0; | |||
8488 | ||||
8489 | const clang::CXXRecordDecl *cxx_record_decl = | |||
8490 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); | |||
8491 | if (cxx_record_decl) { | |||
8492 | // We might have base classes to print out first | |||
8493 | clang::CXXRecordDecl::base_class_const_iterator base_class, | |||
8494 | base_class_end; | |||
8495 | for (base_class = cxx_record_decl->bases_begin(), | |||
8496 | base_class_end = cxx_record_decl->bases_end(); | |||
8497 | base_class != base_class_end; ++base_class) { | |||
8498 | const clang::CXXRecordDecl *base_class_decl = | |||
8499 | llvm::cast<clang::CXXRecordDecl>( | |||
8500 | base_class->getType()->getAs<clang::RecordType>()->getDecl()); | |||
8501 | ||||
8502 | // Skip empty base classes | |||
8503 | if (!verbose && !TypeSystemClang::RecordHasFields(base_class_decl)) | |||
8504 | continue; | |||
8505 | ||||
8506 | if (base_class->isVirtual()) | |||
8507 | field_bit_offset = | |||
8508 | record_layout.getVBaseClassOffset(base_class_decl) | |||
8509 | .getQuantity() * | |||
8510 | 8; | |||
8511 | else | |||
8512 | field_bit_offset = record_layout.getBaseClassOffset(base_class_decl) | |||
8513 | .getQuantity() * | |||
8514 | 8; | |||
8515 | field_byte_offset = field_bit_offset / 8; | |||
8516 | assert(field_bit_offset % 8 == 0)(static_cast <bool> (field_bit_offset % 8 == 0) ? void ( 0) : __assert_fail ("field_bit_offset % 8 == 0", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8516, __extension__ __PRETTY_FUNCTION__)); | |||
8517 | if (child_idx == 0) | |||
8518 | s->PutChar('{'); | |||
8519 | else | |||
8520 | s->PutChar(','); | |||
8521 | ||||
8522 | clang::QualType base_class_qual_type = base_class->getType(); | |||
8523 | std::string base_class_type_name(base_class_qual_type.getAsString()); | |||
8524 | ||||
8525 | // Indent and print the base class type name | |||
8526 | s->Format("\n{0}{1}", llvm::fmt_repeat(" ", depth + DEPTH_INCREMENT2), | |||
8527 | base_class_type_name); | |||
8528 | ||||
8529 | clang::TypeInfo base_class_type_info = | |||
8530 | getASTContext().getTypeInfo(base_class_qual_type); | |||
8531 | ||||
8532 | // Dump the value of the member | |||
8533 | CompilerType base_clang_type = GetType(base_class_qual_type); | |||
8534 | base_clang_type.DumpValue( | |||
8535 | exe_ctx, | |||
8536 | s, // Stream to dump to | |||
8537 | base_clang_type | |||
8538 | .GetFormat(), // The format with which to display the member | |||
8539 | data, // Data buffer containing all bytes for this type | |||
8540 | data_byte_offset + field_byte_offset, // Offset into "data" where | |||
8541 | // to grab value from | |||
8542 | base_class_type_info.Width / 8, // Size of this type in bytes | |||
8543 | 0, // Bitfield bit size | |||
8544 | 0, // Bitfield bit offset | |||
8545 | show_types, // Boolean indicating if we should show the variable | |||
8546 | // types | |||
8547 | show_summary, // Boolean indicating if we should show a summary | |||
8548 | // for the current type | |||
8549 | verbose, // Verbose output? | |||
8550 | depth + DEPTH_INCREMENT2); // Scope depth for any types that have | |||
8551 | // children | |||
8552 | ||||
8553 | ++child_idx; | |||
8554 | } | |||
8555 | } | |||
8556 | uint32_t field_idx = 0; | |||
8557 | clang::RecordDecl::field_iterator field, field_end; | |||
8558 | for (field = record_decl->field_begin(), | |||
8559 | field_end = record_decl->field_end(); | |||
8560 | field != field_end; ++field, ++field_idx, ++child_idx) { | |||
8561 | // Print the starting squiggly bracket (if this is the first member) or | |||
8562 | // comma (for member 2 and beyond) for the struct/union/class member. | |||
8563 | if (child_idx == 0) | |||
8564 | s->PutChar('{'); | |||
8565 | else | |||
8566 | s->PutChar(','); | |||
8567 | ||||
8568 | // Indent | |||
8569 | s->Printf("\n%*s", depth + DEPTH_INCREMENT2, ""); | |||
8570 | ||||
8571 | clang::QualType field_type = field->getType(); | |||
8572 | // Print the member type if requested | |||
8573 | // Figure out the type byte size (field_type_info.first) and alignment | |||
8574 | // (field_type_info.second) from the AST context. | |||
8575 | clang::TypeInfo field_type_info = | |||
8576 | getASTContext().getTypeInfo(field_type); | |||
8577 | assert(field_idx < record_layout.getFieldCount())(static_cast <bool> (field_idx < record_layout.getFieldCount ()) ? void (0) : __assert_fail ("field_idx < record_layout.getFieldCount()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 8577, __extension__ __PRETTY_FUNCTION__)); | |||
8578 | // Figure out the field offset within the current struct/union/class | |||
8579 | // type | |||
8580 | field_bit_offset = record_layout.getFieldOffset(field_idx); | |||
8581 | field_byte_offset = field_bit_offset / 8; | |||
8582 | uint32_t field_bitfield_bit_size = 0; | |||
8583 | uint32_t field_bitfield_bit_offset = 0; | |||
8584 | if (FieldIsBitfield(*field, field_bitfield_bit_size)) | |||
8585 | field_bitfield_bit_offset = field_bit_offset % 8; | |||
8586 | ||||
8587 | if (show_types) { | |||
8588 | std::string field_type_name(field_type.getAsString()); | |||
8589 | if (field_bitfield_bit_size > 0) | |||
8590 | s->Printf("(%s:%u) ", field_type_name.c_str(), | |||
8591 | field_bitfield_bit_size); | |||
8592 | else | |||
8593 | s->Printf("(%s) ", field_type_name.c_str()); | |||
8594 | } | |||
8595 | // Print the member name and equal sign | |||
8596 | s->Printf("%s = ", field->getNameAsString().c_str()); | |||
8597 | ||||
8598 | // Dump the value of the member | |||
8599 | CompilerType field_clang_type = GetType(field_type); | |||
8600 | field_clang_type.DumpValue( | |||
8601 | exe_ctx, | |||
8602 | s, // Stream to dump to | |||
8603 | field_clang_type | |||
8604 | .GetFormat(), // The format with which to display the member | |||
8605 | data, // Data buffer containing all bytes for this type | |||
8606 | data_byte_offset + field_byte_offset, // Offset into "data" where to | |||
8607 | // grab value from | |||
8608 | field_type_info.Width / 8, // Size of this type in bytes | |||
8609 | field_bitfield_bit_size, // Bitfield bit size | |||
8610 | field_bitfield_bit_offset, // Bitfield bit offset | |||
8611 | show_types, // Boolean indicating if we should show the variable | |||
8612 | // types | |||
8613 | show_summary, // Boolean indicating if we should show a summary for | |||
8614 | // the current type | |||
8615 | verbose, // Verbose output? | |||
8616 | depth + DEPTH_INCREMENT2); // Scope depth for any types that have | |||
8617 | // children | |||
8618 | } | |||
8619 | ||||
8620 | // Indent the trailing squiggly bracket | |||
8621 | if (child_idx > 0) | |||
8622 | s->Printf("\n%*s}", depth, ""); | |||
8623 | } | |||
8624 | return; | |||
8625 | ||||
8626 | case clang::Type::Enum: | |||
8627 | if (GetCompleteType(type)) { | |||
8628 | const clang::EnumType *enutype = | |||
8629 | llvm::cast<clang::EnumType>(qual_type.getTypePtr()); | |||
8630 | const clang::EnumDecl *enum_decl = enutype->getDecl(); | |||
8631 | assert(enum_decl)(static_cast <bool> (enum_decl) ? void (0) : __assert_fail ("enum_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8631, __extension__ __PRETTY_FUNCTION__)); | |||
8632 | clang::EnumDecl::enumerator_iterator enum_pos, enum_end_pos; | |||
8633 | lldb::offset_t offset = data_byte_offset; | |||
8634 | const int64_t enum_value = data.GetMaxU64Bitfield( | |||
8635 | &offset, data_byte_size, bitfield_bit_size, bitfield_bit_offset); | |||
8636 | for (enum_pos = enum_decl->enumerator_begin(), | |||
8637 | enum_end_pos = enum_decl->enumerator_end(); | |||
8638 | enum_pos != enum_end_pos; ++enum_pos) { | |||
8639 | if (enum_pos->getInitVal() == enum_value) { | |||
8640 | s->Printf("%s", enum_pos->getNameAsString().c_str()); | |||
8641 | return; | |||
8642 | } | |||
8643 | } | |||
8644 | // If we have gotten here we didn't get find the enumerator in the enum | |||
8645 | // decl, so just print the integer. | |||
8646 | s->Printf("%" PRIi64"l" "i", enum_value); | |||
8647 | } | |||
8648 | return; | |||
8649 | ||||
8650 | case clang::Type::ConstantArray: { | |||
8651 | const clang::ConstantArrayType *array = | |||
8652 | llvm::cast<clang::ConstantArrayType>(qual_type.getTypePtr()); | |||
8653 | bool is_array_of_characters = false; | |||
8654 | clang::QualType element_qual_type = array->getElementType(); | |||
8655 | ||||
8656 | const clang::Type *canonical_type = | |||
8657 | element_qual_type->getCanonicalTypeInternal().getTypePtr(); | |||
8658 | if (canonical_type) | |||
8659 | is_array_of_characters = canonical_type->isCharType(); | |||
8660 | ||||
8661 | const uint64_t element_count = array->getSize().getLimitedValue(); | |||
8662 | ||||
8663 | clang::TypeInfo field_type_info = | |||
8664 | getASTContext().getTypeInfo(element_qual_type); | |||
8665 | ||||
8666 | uint32_t element_idx = 0; | |||
8667 | uint32_t element_offset = 0; | |||
8668 | uint64_t element_byte_size = field_type_info.Width / 8; | |||
8669 | uint32_t element_stride = element_byte_size; | |||
8670 | ||||
8671 | if (is_array_of_characters) { | |||
8672 | s->PutChar('"'); | |||
8673 | DumpDataExtractor(data, s, data_byte_offset, lldb::eFormatChar, | |||
8674 | element_byte_size, element_count, UINT32_MAX(4294967295U), | |||
8675 | LLDB_INVALID_ADDRESS(18446744073709551615UL), 0, 0); | |||
8676 | s->PutChar('"'); | |||
8677 | return; | |||
8678 | } else { | |||
8679 | CompilerType element_clang_type = GetType(element_qual_type); | |||
8680 | lldb::Format element_format = element_clang_type.GetFormat(); | |||
8681 | ||||
8682 | for (element_idx = 0; element_idx < element_count; ++element_idx) { | |||
8683 | // Print the starting squiggly bracket (if this is the first member) or | |||
8684 | // comman (for member 2 and beyong) for the struct/union/class member. | |||
8685 | if (element_idx == 0) | |||
8686 | s->PutChar('{'); | |||
8687 | else | |||
8688 | s->PutChar(','); | |||
8689 | ||||
8690 | // Indent and print the index | |||
8691 | s->Printf("\n%*s[%u] ", depth + DEPTH_INCREMENT2, "", element_idx); | |||
8692 | ||||
8693 | // Figure out the field offset within the current struct/union/class | |||
8694 | // type | |||
8695 | element_offset = element_idx * element_stride; | |||
8696 | ||||
8697 | // Dump the value of the member | |||
8698 | element_clang_type.DumpValue( | |||
8699 | exe_ctx, | |||
8700 | s, // Stream to dump to | |||
8701 | element_format, // The format with which to display the element | |||
8702 | data, // Data buffer containing all bytes for this type | |||
8703 | data_byte_offset + | |||
8704 | element_offset, // Offset into "data" where to grab value from | |||
8705 | element_byte_size, // Size of this type in bytes | |||
8706 | 0, // Bitfield bit size | |||
8707 | 0, // Bitfield bit offset | |||
8708 | show_types, // Boolean indicating if we should show the variable | |||
8709 | // types | |||
8710 | show_summary, // Boolean indicating if we should show a summary for | |||
8711 | // the current type | |||
8712 | verbose, // Verbose output? | |||
8713 | depth + DEPTH_INCREMENT2); // Scope depth for any types that have | |||
8714 | // children | |||
8715 | } | |||
8716 | ||||
8717 | // Indent the trailing squiggly bracket | |||
8718 | if (element_idx > 0) | |||
8719 | s->Printf("\n%*s}", depth, ""); | |||
8720 | } | |||
8721 | } | |||
8722 | return; | |||
8723 | ||||
8724 | case clang::Type::Typedef: { | |||
8725 | clang::QualType typedef_qual_type = | |||
8726 | llvm::cast<clang::TypedefType>(qual_type) | |||
8727 | ->getDecl() | |||
8728 | ->getUnderlyingType(); | |||
8729 | ||||
8730 | CompilerType typedef_clang_type = GetType(typedef_qual_type); | |||
8731 | lldb::Format typedef_format = typedef_clang_type.GetFormat(); | |||
8732 | clang::TypeInfo typedef_type_info = | |||
8733 | getASTContext().getTypeInfo(typedef_qual_type); | |||
8734 | uint64_t typedef_byte_size = typedef_type_info.Width / 8; | |||
8735 | ||||
8736 | return typedef_clang_type.DumpValue( | |||
8737 | exe_ctx, | |||
8738 | s, // Stream to dump to | |||
8739 | typedef_format, // The format with which to display the element | |||
8740 | data, // Data buffer containing all bytes for this type | |||
8741 | data_byte_offset, // Offset into "data" where to grab value from | |||
8742 | typedef_byte_size, // Size of this type in bytes | |||
8743 | bitfield_bit_size, // Bitfield bit size | |||
8744 | bitfield_bit_offset, // Bitfield bit offset | |||
8745 | show_types, // Boolean indicating if we should show the variable types | |||
8746 | show_summary, // Boolean indicating if we should show a summary for the | |||
8747 | // current type | |||
8748 | verbose, // Verbose output? | |||
8749 | depth); // Scope depth for any types that have children | |||
8750 | } break; | |||
8751 | ||||
8752 | case clang::Type::Auto: { | |||
8753 | clang::QualType elaborated_qual_type = | |||
8754 | llvm::cast<clang::AutoType>(qual_type)->getDeducedType(); | |||
8755 | CompilerType elaborated_clang_type = GetType(elaborated_qual_type); | |||
8756 | lldb::Format elaborated_format = elaborated_clang_type.GetFormat(); | |||
8757 | clang::TypeInfo elaborated_type_info = | |||
8758 | getASTContext().getTypeInfo(elaborated_qual_type); | |||
8759 | uint64_t elaborated_byte_size = elaborated_type_info.Width / 8; | |||
8760 | ||||
8761 | return elaborated_clang_type.DumpValue( | |||
8762 | exe_ctx, | |||
8763 | s, // Stream to dump to | |||
8764 | elaborated_format, // The format with which to display the element | |||
8765 | data, // Data buffer containing all bytes for this type | |||
8766 | data_byte_offset, // Offset into "data" where to grab value from | |||
8767 | elaborated_byte_size, // Size of this type in bytes | |||
8768 | bitfield_bit_size, // Bitfield bit size | |||
8769 | bitfield_bit_offset, // Bitfield bit offset | |||
8770 | show_types, // Boolean indicating if we should show the variable types | |||
8771 | show_summary, // Boolean indicating if we should show a summary for the | |||
8772 | // current type | |||
8773 | verbose, // Verbose output? | |||
8774 | depth); // Scope depth for any types that have children | |||
8775 | } break; | |||
8776 | ||||
8777 | case clang::Type::Elaborated: { | |||
8778 | clang::QualType elaborated_qual_type = | |||
8779 | llvm::cast<clang::ElaboratedType>(qual_type)->getNamedType(); | |||
8780 | CompilerType elaborated_clang_type = GetType(elaborated_qual_type); | |||
8781 | lldb::Format elaborated_format = elaborated_clang_type.GetFormat(); | |||
8782 | clang::TypeInfo elaborated_type_info = | |||
8783 | getASTContext().getTypeInfo(elaborated_qual_type); | |||
8784 | uint64_t elaborated_byte_size = elaborated_type_info.Width / 8; | |||
8785 | ||||
8786 | return elaborated_clang_type.DumpValue( | |||
8787 | exe_ctx, | |||
8788 | s, // Stream to dump to | |||
8789 | elaborated_format, // The format with which to display the element | |||
8790 | data, // Data buffer containing all bytes for this type | |||
8791 | data_byte_offset, // Offset into "data" where to grab value from | |||
8792 | elaborated_byte_size, // Size of this type in bytes | |||
8793 | bitfield_bit_size, // Bitfield bit size | |||
8794 | bitfield_bit_offset, // Bitfield bit offset | |||
8795 | show_types, // Boolean indicating if we should show the variable types | |||
8796 | show_summary, // Boolean indicating if we should show a summary for the | |||
8797 | // current type | |||
8798 | verbose, // Verbose output? | |||
8799 | depth); // Scope depth for any types that have children | |||
8800 | } break; | |||
8801 | ||||
8802 | case clang::Type::Paren: { | |||
8803 | clang::QualType desugar_qual_type = | |||
8804 | llvm::cast<clang::ParenType>(qual_type)->desugar(); | |||
8805 | CompilerType desugar_clang_type = GetType(desugar_qual_type); | |||
8806 | ||||
8807 | lldb::Format desugar_format = desugar_clang_type.GetFormat(); | |||
8808 | clang::TypeInfo desugar_type_info = | |||
8809 | getASTContext().getTypeInfo(desugar_qual_type); | |||
8810 | uint64_t desugar_byte_size = desugar_type_info.Width / 8; | |||
8811 | ||||
8812 | return desugar_clang_type.DumpValue( | |||
8813 | exe_ctx, | |||
8814 | s, // Stream to dump to | |||
8815 | desugar_format, // The format with which to display the element | |||
8816 | data, // Data buffer containing all bytes for this type | |||
8817 | data_byte_offset, // Offset into "data" where to grab value from | |||
8818 | desugar_byte_size, // Size of this type in bytes | |||
8819 | bitfield_bit_size, // Bitfield bit size | |||
8820 | bitfield_bit_offset, // Bitfield bit offset | |||
8821 | show_types, // Boolean indicating if we should show the variable types | |||
8822 | show_summary, // Boolean indicating if we should show a summary for the | |||
8823 | // current type | |||
8824 | verbose, // Verbose output? | |||
8825 | depth); // Scope depth for any types that have children | |||
8826 | } break; | |||
8827 | ||||
8828 | default: | |||
8829 | // We are down to a scalar type that we just need to display. | |||
8830 | DumpDataExtractor(data, s, data_byte_offset, format, data_byte_size, 1, | |||
8831 | UINT32_MAX(4294967295U), LLDB_INVALID_ADDRESS(18446744073709551615UL), bitfield_bit_size, | |||
8832 | bitfield_bit_offset); | |||
8833 | ||||
8834 | if (show_summary) | |||
8835 | DumpSummary(type, exe_ctx, s, data, data_byte_offset, data_byte_size); | |||
8836 | break; | |||
8837 | } | |||
8838 | } | |||
8839 | ||||
8840 | static bool DumpEnumValue(const clang::QualType &qual_type, Stream *s, | |||
8841 | const DataExtractor &data, lldb::offset_t byte_offset, | |||
8842 | size_t byte_size, uint32_t bitfield_bit_offset, | |||
8843 | uint32_t bitfield_bit_size) { | |||
8844 | const clang::EnumType *enutype = | |||
8845 | llvm::cast<clang::EnumType>(qual_type.getTypePtr()); | |||
8846 | const clang::EnumDecl *enum_decl = enutype->getDecl(); | |||
8847 | assert(enum_decl)(static_cast <bool> (enum_decl) ? void (0) : __assert_fail ("enum_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8847, __extension__ __PRETTY_FUNCTION__)); | |||
8848 | lldb::offset_t offset = byte_offset; | |||
8849 | const uint64_t enum_svalue = data.GetMaxS64Bitfield( | |||
8850 | &offset, byte_size, bitfield_bit_size, bitfield_bit_offset); | |||
8851 | bool can_be_bitfield = true; | |||
8852 | uint64_t covered_bits = 0; | |||
8853 | int num_enumerators = 0; | |||
8854 | ||||
8855 | // Try to find an exact match for the value. | |||
8856 | // At the same time, we're applying a heuristic to determine whether we want | |||
8857 | // to print this enum as a bitfield. We're likely dealing with a bitfield if | |||
8858 | // every enumerator is either a one bit value or a superset of the previous | |||
8859 | // enumerators. Also 0 doesn't make sense when the enumerators are used as | |||
8860 | // flags. | |||
8861 | for (auto *enumerator : enum_decl->enumerators()) { | |||
8862 | uint64_t val = enumerator->getInitVal().getSExtValue(); | |||
8863 | val = llvm::SignExtend64(val, 8*byte_size); | |||
8864 | if (llvm::countPopulation(val) != 1 && (val & ~covered_bits) != 0) | |||
8865 | can_be_bitfield = false; | |||
8866 | covered_bits |= val; | |||
8867 | ++num_enumerators; | |||
8868 | if (val == enum_svalue) { | |||
8869 | // Found an exact match, that's all we need to do. | |||
8870 | s->PutCString(enumerator->getNameAsString()); | |||
8871 | return true; | |||
8872 | } | |||
8873 | } | |||
8874 | ||||
8875 | // Unsigned values make more sense for flags. | |||
8876 | offset = byte_offset; | |||
8877 | const uint64_t enum_uvalue = data.GetMaxU64Bitfield( | |||
8878 | &offset, byte_size, bitfield_bit_size, bitfield_bit_offset); | |||
8879 | ||||
8880 | // No exact match, but we don't think this is a bitfield. Print the value as | |||
8881 | // decimal. | |||
8882 | if (!can_be_bitfield) { | |||
8883 | if (qual_type->isSignedIntegerOrEnumerationType()) | |||
8884 | s->Printf("%" PRIi64"l" "i", enum_svalue); | |||
8885 | else | |||
8886 | s->Printf("%" PRIu64"l" "u", enum_uvalue); | |||
8887 | return true; | |||
8888 | } | |||
8889 | ||||
8890 | uint64_t remaining_value = enum_uvalue; | |||
8891 | std::vector<std::pair<uint64_t, llvm::StringRef>> values; | |||
8892 | values.reserve(num_enumerators); | |||
8893 | for (auto *enumerator : enum_decl->enumerators()) | |||
8894 | if (auto val = enumerator->getInitVal().getZExtValue()) | |||
8895 | values.emplace_back(val, enumerator->getName()); | |||
8896 | ||||
8897 | // Sort in reverse order of the number of the population count, so that in | |||
8898 | // `enum {A, B, ALL = A|B }` we visit ALL first. Use a stable sort so that | |||
8899 | // A | C where A is declared before C is displayed in this order. | |||
8900 | std::stable_sort(values.begin(), values.end(), [](const auto &a, const auto &b) { | |||
8901 | return llvm::countPopulation(a.first) > llvm::countPopulation(b.first); | |||
8902 | }); | |||
8903 | ||||
8904 | for (const auto &val : values) { | |||
8905 | if ((remaining_value & val.first) != val.first) | |||
8906 | continue; | |||
8907 | remaining_value &= ~val.first; | |||
8908 | s->PutCString(val.second); | |||
8909 | if (remaining_value) | |||
8910 | s->PutCString(" | "); | |||
8911 | } | |||
8912 | ||||
8913 | // If there is a remainder that is not covered by the value, print it as hex. | |||
8914 | if (remaining_value) | |||
8915 | s->Printf("0x%" PRIx64"l" "x", remaining_value); | |||
8916 | ||||
8917 | return true; | |||
8918 | } | |||
8919 | ||||
8920 | bool TypeSystemClang::DumpTypeValue( | |||
8921 | lldb::opaque_compiler_type_t type, Stream *s, lldb::Format format, | |||
8922 | const lldb_private::DataExtractor &data, lldb::offset_t byte_offset, | |||
8923 | size_t byte_size, uint32_t bitfield_bit_size, uint32_t bitfield_bit_offset, | |||
8924 | ExecutionContextScope *exe_scope) { | |||
8925 | if (!type) | |||
8926 | return false; | |||
8927 | if (IsAggregateType(type)) { | |||
8928 | return false; | |||
8929 | } else { | |||
8930 | clang::QualType qual_type(GetQualType(type)); | |||
8931 | ||||
8932 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
8933 | ||||
8934 | if (type_class == clang::Type::Elaborated) { | |||
8935 | qual_type = llvm::cast<clang::ElaboratedType>(qual_type)->getNamedType(); | |||
8936 | return DumpTypeValue(qual_type.getAsOpaquePtr(), s, format, data, byte_offset, byte_size, | |||
8937 | bitfield_bit_size, bitfield_bit_offset, exe_scope); | |||
8938 | } | |||
8939 | ||||
8940 | switch (type_class) { | |||
8941 | case clang::Type::Typedef: { | |||
8942 | clang::QualType typedef_qual_type = | |||
8943 | llvm::cast<clang::TypedefType>(qual_type) | |||
8944 | ->getDecl() | |||
8945 | ->getUnderlyingType(); | |||
8946 | CompilerType typedef_clang_type = GetType(typedef_qual_type); | |||
8947 | if (format == eFormatDefault) | |||
8948 | format = typedef_clang_type.GetFormat(); | |||
8949 | clang::TypeInfo typedef_type_info = | |||
8950 | getASTContext().getTypeInfo(typedef_qual_type); | |||
8951 | uint64_t typedef_byte_size = typedef_type_info.Width / 8; | |||
8952 | ||||
8953 | return typedef_clang_type.DumpTypeValue( | |||
8954 | s, | |||
8955 | format, // The format with which to display the element | |||
8956 | data, // Data buffer containing all bytes for this type | |||
8957 | byte_offset, // Offset into "data" where to grab value from | |||
8958 | typedef_byte_size, // Size of this type in bytes | |||
8959 | bitfield_bit_size, // Size in bits of a bitfield value, if zero don't | |||
8960 | // treat as a bitfield | |||
8961 | bitfield_bit_offset, // Offset in bits of a bitfield value if | |||
8962 | // bitfield_bit_size != 0 | |||
8963 | exe_scope); | |||
8964 | } break; | |||
8965 | ||||
8966 | case clang::Type::Enum: | |||
8967 | // If our format is enum or default, show the enumeration value as its | |||
8968 | // enumeration string value, else just display it as requested. | |||
8969 | if ((format == eFormatEnum || format == eFormatDefault) && | |||
8970 | GetCompleteType(type)) | |||
8971 | return DumpEnumValue(qual_type, s, data, byte_offset, byte_size, | |||
8972 | bitfield_bit_offset, bitfield_bit_size); | |||
8973 | // format was not enum, just fall through and dump the value as | |||
8974 | // requested.... | |||
8975 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | |||
8976 | ||||
8977 | default: | |||
8978 | // We are down to a scalar type that we just need to display. | |||
8979 | { | |||
8980 | uint32_t item_count = 1; | |||
8981 | // A few formats, we might need to modify our size and count for | |||
8982 | // depending | |||
8983 | // on how we are trying to display the value... | |||
8984 | switch (format) { | |||
8985 | default: | |||
8986 | case eFormatBoolean: | |||
8987 | case eFormatBinary: | |||
8988 | case eFormatComplex: | |||
8989 | case eFormatCString: // NULL terminated C strings | |||
8990 | case eFormatDecimal: | |||
8991 | case eFormatEnum: | |||
8992 | case eFormatHex: | |||
8993 | case eFormatHexUppercase: | |||
8994 | case eFormatFloat: | |||
8995 | case eFormatOctal: | |||
8996 | case eFormatOSType: | |||
8997 | case eFormatUnsigned: | |||
8998 | case eFormatPointer: | |||
8999 | case eFormatVectorOfChar: | |||
9000 | case eFormatVectorOfSInt8: | |||
9001 | case eFormatVectorOfUInt8: | |||
9002 | case eFormatVectorOfSInt16: | |||
9003 | case eFormatVectorOfUInt16: | |||
9004 | case eFormatVectorOfSInt32: | |||
9005 | case eFormatVectorOfUInt32: | |||
9006 | case eFormatVectorOfSInt64: | |||
9007 | case eFormatVectorOfUInt64: | |||
9008 | case eFormatVectorOfFloat32: | |||
9009 | case eFormatVectorOfFloat64: | |||
9010 | case eFormatVectorOfUInt128: | |||
9011 | break; | |||
9012 | ||||
9013 | case eFormatChar: | |||
9014 | case eFormatCharPrintable: | |||
9015 | case eFormatCharArray: | |||
9016 | case eFormatBytes: | |||
9017 | case eFormatUnicode8: | |||
9018 | case eFormatBytesWithASCII: | |||
9019 | item_count = byte_size; | |||
9020 | byte_size = 1; | |||
9021 | break; | |||
9022 | ||||
9023 | case eFormatUnicode16: | |||
9024 | item_count = byte_size / 2; | |||
9025 | byte_size = 2; | |||
9026 | break; | |||
9027 | ||||
9028 | case eFormatUnicode32: | |||
9029 | item_count = byte_size / 4; | |||
9030 | byte_size = 4; | |||
9031 | break; | |||
9032 | } | |||
9033 | return DumpDataExtractor(data, s, byte_offset, format, byte_size, | |||
9034 | item_count, UINT32_MAX(4294967295U), LLDB_INVALID_ADDRESS(18446744073709551615UL), | |||
9035 | bitfield_bit_size, bitfield_bit_offset, | |||
9036 | exe_scope); | |||
9037 | } | |||
9038 | break; | |||
9039 | } | |||
9040 | } | |||
9041 | return false; | |||
9042 | } | |||
9043 | ||||
9044 | void TypeSystemClang::DumpSummary(lldb::opaque_compiler_type_t type, | |||
9045 | ExecutionContext *exe_ctx, Stream *s, | |||
9046 | const lldb_private::DataExtractor &data, | |||
9047 | lldb::offset_t data_byte_offset, | |||
9048 | size_t data_byte_size) { | |||
9049 | uint32_t length = 0; | |||
9050 | if (IsCStringType(type, length)) { | |||
9051 | if (exe_ctx) { | |||
9052 | Process *process = exe_ctx->GetProcessPtr(); | |||
9053 | if (process) { | |||
9054 | lldb::offset_t offset = data_byte_offset; | |||
9055 | lldb::addr_t pointer_address = data.GetMaxU64(&offset, data_byte_size); | |||
9056 | std::vector<uint8_t> buf; | |||
9057 | if (length > 0) | |||
9058 | buf.resize(length); | |||
9059 | else | |||
9060 | buf.resize(256); | |||
9061 | ||||
9062 | DataExtractor cstr_data(&buf.front(), buf.size(), | |||
9063 | process->GetByteOrder(), 4); | |||
9064 | buf.back() = '\0'; | |||
9065 | size_t bytes_read; | |||
9066 | size_t total_cstr_len = 0; | |||
9067 | Status error; | |||
9068 | while ((bytes_read = process->ReadMemory(pointer_address, &buf.front(), | |||
9069 | buf.size(), error)) > 0) { | |||
9070 | const size_t len = strlen((const char *)&buf.front()); | |||
9071 | if (len == 0) | |||
9072 | break; | |||
9073 | if (total_cstr_len == 0) | |||
9074 | s->PutCString(" \""); | |||
9075 | DumpDataExtractor(cstr_data, s, 0, lldb::eFormatChar, 1, len, | |||
9076 | UINT32_MAX(4294967295U), LLDB_INVALID_ADDRESS(18446744073709551615UL), 0, 0); | |||
9077 | total_cstr_len += len; | |||
9078 | if (len < buf.size()) | |||
9079 | break; | |||
9080 | pointer_address += total_cstr_len; | |||
9081 | } | |||
9082 | if (total_cstr_len > 0) | |||
9083 | s->PutChar('"'); | |||
9084 | } | |||
9085 | } | |||
9086 | } | |||
9087 | } | |||
9088 | ||||
9089 | void TypeSystemClang::DumpTypeDescription(lldb::opaque_compiler_type_t type, | |||
9090 | lldb::DescriptionLevel level) { | |||
9091 | StreamFile s(stdoutstdout, false); | |||
9092 | DumpTypeDescription(type, &s, level); | |||
9093 | ||||
9094 | CompilerType ct(this, type); | |||
9095 | const clang::Type *clang_type = ClangUtil::GetQualType(ct).getTypePtr(); | |||
9096 | ClangASTMetadata *metadata = GetMetadata(clang_type); | |||
9097 | if (metadata) { | |||
9098 | metadata->Dump(&s); | |||
9099 | } | |||
9100 | } | |||
9101 | ||||
9102 | void TypeSystemClang::DumpTypeDescription(lldb::opaque_compiler_type_t type, | |||
9103 | Stream *s, | |||
9104 | lldb::DescriptionLevel level) { | |||
9105 | if (type) { | |||
9106 | clang::QualType qual_type = | |||
9107 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}); | |||
9108 | ||||
9109 | llvm::SmallVector<char, 1024> buf; | |||
9110 | llvm::raw_svector_ostream llvm_ostrm(buf); | |||
9111 | ||||
9112 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
9113 | switch (type_class) { | |||
9114 | case clang::Type::ObjCObject: | |||
9115 | case clang::Type::ObjCInterface: { | |||
9116 | GetCompleteType(type); | |||
9117 | ||||
9118 | auto *objc_class_type = | |||
9119 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); | |||
9120 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 9120, __extension__ __PRETTY_FUNCTION__)); | |||
9121 | if (!objc_class_type) | |||
9122 | break; | |||
9123 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
9124 | objc_class_type->getInterface(); | |||
9125 | if (!class_interface_decl) | |||
9126 | break; | |||
9127 | if (level == eDescriptionLevelVerbose) | |||
9128 | class_interface_decl->dump(llvm_ostrm); | |||
9129 | else | |||
9130 | class_interface_decl->print(llvm_ostrm, | |||
9131 | getASTContext().getPrintingPolicy(), | |||
9132 | s->GetIndentLevel()); | |||
9133 | } break; | |||
9134 | ||||
9135 | case clang::Type::Typedef: { | |||
9136 | auto *typedef_type = qual_type->getAs<clang::TypedefType>(); | |||
9137 | if (!typedef_type) | |||
9138 | break; | |||
9139 | const clang::TypedefNameDecl *typedef_decl = typedef_type->getDecl(); | |||
9140 | if (level == eDescriptionLevelVerbose) | |||
9141 | typedef_decl->dump(llvm_ostrm); | |||
9142 | else { | |||
9143 | std::string clang_typedef_name(GetTypeNameForDecl(typedef_decl)); | |||
9144 | if (!clang_typedef_name.empty()) { | |||
9145 | s->PutCString("typedef "); | |||
9146 | s->PutCString(clang_typedef_name); | |||
9147 | } | |||
9148 | } | |||
9149 | } break; | |||
9150 | ||||
9151 | case clang::Type::Record: { | |||
9152 | GetCompleteType(type); | |||
9153 | ||||
9154 | auto *record_type = llvm::cast<clang::RecordType>(qual_type.getTypePtr()); | |||
9155 | const clang::RecordDecl *record_decl = record_type->getDecl(); | |||
9156 | if (level == eDescriptionLevelVerbose) | |||
9157 | record_decl->dump(llvm_ostrm); | |||
9158 | else { | |||
9159 | if (auto *cxx_record_decl = | |||
9160 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl)) | |||
9161 | cxx_record_decl->print(llvm_ostrm, | |||
9162 | getASTContext().getPrintingPolicy(), | |||
9163 | s->GetIndentLevel()); | |||
9164 | else | |||
9165 | record_decl->print(llvm_ostrm, getASTContext().getPrintingPolicy(), | |||
9166 | s->GetIndentLevel()); | |||
9167 | } | |||
9168 | } break; | |||
9169 | ||||
9170 | default: { | |||
9171 | if (auto *tag_type = | |||
9172 | llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr())) { | |||
9173 | if (clang::TagDecl *tag_decl = tag_type->getDecl()) { | |||
9174 | if (level == eDescriptionLevelVerbose) | |||
9175 | tag_decl->dump(llvm_ostrm); | |||
9176 | else | |||
9177 | tag_decl->print(llvm_ostrm, 0); | |||
9178 | } | |||
9179 | } else { | |||
9180 | if (level == eDescriptionLevelVerbose) | |||
9181 | qual_type->dump(llvm_ostrm, getASTContext()); | |||
9182 | else { | |||
9183 | std::string clang_type_name(qual_type.getAsString()); | |||
9184 | if (!clang_type_name.empty()) | |||
9185 | s->PutCString(clang_type_name); | |||
9186 | } | |||
9187 | } | |||
9188 | } | |||
9189 | } | |||
9190 | ||||
9191 | if (buf.size() > 0) { | |||
9192 | s->Write(buf.data(), buf.size()); | |||
9193 | } | |||
9194 | } | |||
9195 | } | |||
9196 | ||||
9197 | void TypeSystemClang::DumpTypeName(const CompilerType &type) { | |||
9198 | if (ClangUtil::IsClangType(type)) { | |||
9199 | clang::QualType qual_type( | |||
9200 | ClangUtil::GetCanonicalQualType(ClangUtil::RemoveFastQualifiers(type))); | |||
9201 | ||||
9202 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); | |||
9203 | switch (type_class) { | |||
9204 | case clang::Type::Record: { | |||
9205 | const clang::CXXRecordDecl *cxx_record_decl = | |||
9206 | qual_type->getAsCXXRecordDecl(); | |||
9207 | if (cxx_record_decl) | |||
9208 | printf("class %s", cxx_record_decl->getName().str().c_str()); | |||
9209 | } break; | |||
9210 | ||||
9211 | case clang::Type::Enum: { | |||
9212 | clang::EnumDecl *enum_decl = | |||
9213 | llvm::cast<clang::EnumType>(qual_type)->getDecl(); | |||
9214 | if (enum_decl) { | |||
9215 | printf("enum %s", enum_decl->getName().str().c_str()); | |||
9216 | } | |||
9217 | } break; | |||
9218 | ||||
9219 | case clang::Type::ObjCObject: | |||
9220 | case clang::Type::ObjCInterface: { | |||
9221 | const clang::ObjCObjectType *objc_class_type = | |||
9222 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type); | |||
9223 | if (objc_class_type) { | |||
9224 | clang::ObjCInterfaceDecl *class_interface_decl = | |||
9225 | objc_class_type->getInterface(); | |||
9226 | // We currently can't complete objective C types through the newly | |||
9227 | // added ASTContext because it only supports TagDecl objects right | |||
9228 | // now... | |||
9229 | if (class_interface_decl) | |||
9230 | printf("@class %s", class_interface_decl->getName().str().c_str()); | |||
9231 | } | |||
9232 | } break; | |||
9233 | ||||
9234 | case clang::Type::Typedef: | |||
9235 | printf("typedef %s", llvm::cast<clang::TypedefType>(qual_type) | |||
9236 | ->getDecl() | |||
9237 | ->getName() | |||
9238 | .str() | |||
9239 | .c_str()); | |||
9240 | break; | |||
9241 | ||||
9242 | case clang::Type::Auto: | |||
9243 | printf("auto "); | |||
9244 | return DumpTypeName(CompilerType(type.GetTypeSystem(), | |||
9245 | llvm::cast<clang::AutoType>(qual_type) | |||
9246 | ->getDeducedType() | |||
9247 | .getAsOpaquePtr())); | |||
9248 | ||||
9249 | case clang::Type::Elaborated: | |||
9250 | printf("elaborated "); | |||
9251 | return DumpTypeName(CompilerType( | |||
9252 | type.GetTypeSystem(), llvm::cast<clang::ElaboratedType>(qual_type) | |||
9253 | ->getNamedType() | |||
9254 | .getAsOpaquePtr())); | |||
9255 | ||||
9256 | case clang::Type::Paren: | |||
9257 | printf("paren "); | |||
9258 | return DumpTypeName(CompilerType( | |||
9259 | type.GetTypeSystem(), | |||
9260 | llvm::cast<clang::ParenType>(qual_type)->desugar().getAsOpaquePtr())); | |||
9261 | ||||
9262 | default: | |||
9263 | printf("TypeSystemClang::DumpTypeName() type_class = %u", type_class); | |||
9264 | break; | |||
9265 | } | |||
9266 | } | |||
9267 | } | |||
9268 | ||||
9269 | clang::ClassTemplateDecl *TypeSystemClang::ParseClassTemplateDecl( | |||
9270 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, | |||
9271 | lldb::AccessType access_type, const char *parent_name, int tag_decl_kind, | |||
9272 | const TypeSystemClang::TemplateParameterInfos &template_param_infos) { | |||
9273 | if (template_param_infos.IsValid()) { | |||
9274 | std::string template_basename(parent_name); | |||
9275 | template_basename.erase(template_basename.find('<')); | |||
9276 | ||||
9277 | return CreateClassTemplateDecl(decl_ctx, owning_module, access_type, | |||
9278 | template_basename.c_str(), tag_decl_kind, | |||
9279 | template_param_infos); | |||
9280 | } | |||
9281 | return nullptr; | |||
9282 | } | |||
9283 | ||||
9284 | void TypeSystemClang::CompleteTagDecl(clang::TagDecl *decl) { | |||
9285 | SymbolFile *sym_file = GetSymbolFile(); | |||
9286 | if (sym_file) { | |||
9287 | CompilerType clang_type = GetTypeForDecl(decl); | |||
9288 | if (clang_type) | |||
9289 | sym_file->CompleteType(clang_type); | |||
9290 | } | |||
9291 | } | |||
9292 | ||||
9293 | void TypeSystemClang::CompleteObjCInterfaceDecl( | |||
9294 | clang::ObjCInterfaceDecl *decl) { | |||
9295 | SymbolFile *sym_file = GetSymbolFile(); | |||
9296 | if (sym_file) { | |||
9297 | CompilerType clang_type = GetTypeForDecl(decl); | |||
9298 | if (clang_type) | |||
9299 | sym_file->CompleteType(clang_type); | |||
9300 | } | |||
9301 | } | |||
9302 | ||||
9303 | DWARFASTParser *TypeSystemClang::GetDWARFParser() { | |||
9304 | if (!m_dwarf_ast_parser_up) | |||
9305 | m_dwarf_ast_parser_up = std::make_unique<DWARFASTParserClang>(*this); | |||
9306 | return m_dwarf_ast_parser_up.get(); | |||
9307 | } | |||
9308 | ||||
9309 | PDBASTParser *TypeSystemClang::GetPDBParser() { | |||
9310 | if (!m_pdb_ast_parser_up) | |||
9311 | m_pdb_ast_parser_up = std::make_unique<PDBASTParser>(*this); | |||
9312 | return m_pdb_ast_parser_up.get(); | |||
9313 | } | |||
9314 | ||||
9315 | bool TypeSystemClang::LayoutRecordType( | |||
9316 | const clang::RecordDecl *record_decl, uint64_t &bit_size, | |||
9317 | uint64_t &alignment, | |||
9318 | llvm::DenseMap<const clang::FieldDecl *, uint64_t> &field_offsets, | |||
9319 | llvm::DenseMap<const clang::CXXRecordDecl *, clang::CharUnits> | |||
9320 | &base_offsets, | |||
9321 | llvm::DenseMap<const clang::CXXRecordDecl *, clang::CharUnits> | |||
9322 | &vbase_offsets) { | |||
9323 | lldb_private::ClangASTImporter *importer = nullptr; | |||
9324 | if (m_dwarf_ast_parser_up) | |||
9325 | importer = &m_dwarf_ast_parser_up->GetClangASTImporter(); | |||
9326 | if (!importer && m_pdb_ast_parser_up) | |||
9327 | importer = &m_pdb_ast_parser_up->GetClangASTImporter(); | |||
9328 | if (!importer) | |||
9329 | return false; | |||
9330 | ||||
9331 | return importer->LayoutRecordType(record_decl, bit_size, alignment, | |||
9332 | field_offsets, base_offsets, vbase_offsets); | |||
9333 | } | |||
9334 | ||||
9335 | // CompilerDecl override functions | |||
9336 | ||||
9337 | ConstString TypeSystemClang::DeclGetName(void *opaque_decl) { | |||
9338 | if (opaque_decl) { | |||
9339 | clang::NamedDecl *nd = | |||
9340 | llvm::dyn_cast<NamedDecl>((clang::Decl *)opaque_decl); | |||
9341 | if (nd != nullptr) | |||
9342 | return ConstString(nd->getDeclName().getAsString()); | |||
9343 | } | |||
9344 | return ConstString(); | |||
9345 | } | |||
9346 | ||||
9347 | ConstString TypeSystemClang::DeclGetMangledName(void *opaque_decl) { | |||
9348 | if (opaque_decl) { | |||
9349 | clang::NamedDecl *nd = | |||
9350 | llvm::dyn_cast<clang::NamedDecl>((clang::Decl *)opaque_decl); | |||
9351 | if (nd != nullptr && !llvm::isa<clang::ObjCMethodDecl>(nd)) { | |||
9352 | clang::MangleContext *mc = getMangleContext(); | |||
9353 | if (mc && mc->shouldMangleCXXName(nd)) { | |||
9354 | llvm::SmallVector<char, 1024> buf; | |||
9355 | llvm::raw_svector_ostream llvm_ostrm(buf); | |||
9356 | if (llvm::isa<clang::CXXConstructorDecl>(nd)) { | |||
9357 | mc->mangleName( | |||
9358 | clang::GlobalDecl(llvm::dyn_cast<clang::CXXConstructorDecl>(nd), | |||
9359 | Ctor_Complete), | |||
9360 | llvm_ostrm); | |||
9361 | } else if (llvm::isa<clang::CXXDestructorDecl>(nd)) { | |||
9362 | mc->mangleName( | |||
9363 | clang::GlobalDecl(llvm::dyn_cast<clang::CXXDestructorDecl>(nd), | |||
9364 | Dtor_Complete), | |||
9365 | llvm_ostrm); | |||
9366 | } else { | |||
9367 | mc->mangleName(nd, llvm_ostrm); | |||
9368 | } | |||
9369 | if (buf.size() > 0) | |||
9370 | return ConstString(buf.data(), buf.size()); | |||
9371 | } | |||
9372 | } | |||
9373 | } | |||
9374 | return ConstString(); | |||
9375 | } | |||
9376 | ||||
9377 | CompilerDeclContext TypeSystemClang::DeclGetDeclContext(void *opaque_decl) { | |||
9378 | if (opaque_decl) | |||
9379 | return CreateDeclContext(((clang::Decl *)opaque_decl)->getDeclContext()); | |||
9380 | return CompilerDeclContext(); | |||
9381 | } | |||
9382 | ||||
9383 | CompilerType TypeSystemClang::DeclGetFunctionReturnType(void *opaque_decl) { | |||
9384 | if (clang::FunctionDecl *func_decl = | |||
9385 | llvm::dyn_cast<clang::FunctionDecl>((clang::Decl *)opaque_decl)) | |||
9386 | return GetType(func_decl->getReturnType()); | |||
9387 | if (clang::ObjCMethodDecl *objc_method = | |||
9388 | llvm::dyn_cast<clang::ObjCMethodDecl>((clang::Decl *)opaque_decl)) | |||
9389 | return GetType(objc_method->getReturnType()); | |||
9390 | else | |||
9391 | return CompilerType(); | |||
9392 | } | |||
9393 | ||||
9394 | size_t TypeSystemClang::DeclGetFunctionNumArguments(void *opaque_decl) { | |||
9395 | if (clang::FunctionDecl *func_decl = | |||
9396 | llvm::dyn_cast<clang::FunctionDecl>((clang::Decl *)opaque_decl)) | |||
9397 | return func_decl->param_size(); | |||
9398 | if (clang::ObjCMethodDecl *objc_method = | |||
9399 | llvm::dyn_cast<clang::ObjCMethodDecl>((clang::Decl *)opaque_decl)) | |||
9400 | return objc_method->param_size(); | |||
9401 | else | |||
9402 | return 0; | |||
9403 | } | |||
9404 | ||||
9405 | CompilerType TypeSystemClang::DeclGetFunctionArgumentType(void *opaque_decl, | |||
9406 | size_t idx) { | |||
9407 | if (clang::FunctionDecl *func_decl = | |||
9408 | llvm::dyn_cast<clang::FunctionDecl>((clang::Decl *)opaque_decl)) { | |||
9409 | if (idx < func_decl->param_size()) { | |||
9410 | ParmVarDecl *var_decl = func_decl->getParamDecl(idx); | |||
9411 | if (var_decl) | |||
9412 | return GetType(var_decl->getOriginalType()); | |||
9413 | } | |||
9414 | } else if (clang::ObjCMethodDecl *objc_method = | |||
9415 | llvm::dyn_cast<clang::ObjCMethodDecl>( | |||
9416 | (clang::Decl *)opaque_decl)) { | |||
9417 | if (idx < objc_method->param_size()) | |||
9418 | return GetType(objc_method->parameters()[idx]->getOriginalType()); | |||
9419 | } | |||
9420 | return CompilerType(); | |||
9421 | } | |||
9422 | ||||
9423 | // CompilerDeclContext functions | |||
9424 | ||||
9425 | std::vector<CompilerDecl> TypeSystemClang::DeclContextFindDeclByName( | |||
9426 | void *opaque_decl_ctx, ConstString name, const bool ignore_using_decls) { | |||
9427 | std::vector<CompilerDecl> found_decls; | |||
9428 | SymbolFile *symbol_file = GetSymbolFile(); | |||
9429 | if (opaque_decl_ctx && symbol_file) { | |||
9430 | DeclContext *root_decl_ctx = (DeclContext *)opaque_decl_ctx; | |||
9431 | std::set<DeclContext *> searched; | |||
9432 | std::multimap<DeclContext *, DeclContext *> search_queue; | |||
9433 | ||||
9434 | for (clang::DeclContext *decl_context = root_decl_ctx; | |||
9435 | decl_context != nullptr && found_decls.empty(); | |||
9436 | decl_context = decl_context->getParent()) { | |||
9437 | search_queue.insert(std::make_pair(decl_context, decl_context)); | |||
9438 | ||||
9439 | for (auto it = search_queue.find(decl_context); it != search_queue.end(); | |||
9440 | it++) { | |||
9441 | if (!searched.insert(it->second).second) | |||
9442 | continue; | |||
9443 | symbol_file->ParseDeclsForContext( | |||
9444 | CreateDeclContext(it->second)); | |||
9445 | ||||
9446 | for (clang::Decl *child : it->second->decls()) { | |||
9447 | if (clang::UsingDirectiveDecl *ud = | |||
9448 | llvm::dyn_cast<clang::UsingDirectiveDecl>(child)) { | |||
9449 | if (ignore_using_decls) | |||
9450 | continue; | |||
9451 | clang::DeclContext *from = ud->getCommonAncestor(); | |||
9452 | if (searched.find(ud->getNominatedNamespace()) == searched.end()) | |||
9453 | search_queue.insert( | |||
9454 | std::make_pair(from, ud->getNominatedNamespace())); | |||
9455 | } else if (clang::UsingDecl *ud = | |||
9456 | llvm::dyn_cast<clang::UsingDecl>(child)) { | |||
9457 | if (ignore_using_decls) | |||
9458 | continue; | |||
9459 | for (clang::UsingShadowDecl *usd : ud->shadows()) { | |||
9460 | clang::Decl *target = usd->getTargetDecl(); | |||
9461 | if (clang::NamedDecl *nd = | |||
9462 | llvm::dyn_cast<clang::NamedDecl>(target)) { | |||
9463 | IdentifierInfo *ii = nd->getIdentifier(); | |||
9464 | if (ii != nullptr && | |||
9465 | ii->getName().equals(name.AsCString(nullptr))) | |||
9466 | found_decls.push_back(GetCompilerDecl(nd)); | |||
9467 | } | |||
9468 | } | |||
9469 | } else if (clang::NamedDecl *nd = | |||
9470 | llvm::dyn_cast<clang::NamedDecl>(child)) { | |||
9471 | IdentifierInfo *ii = nd->getIdentifier(); | |||
9472 | if (ii != nullptr && ii->getName().equals(name.AsCString(nullptr))) | |||
9473 | found_decls.push_back(GetCompilerDecl(nd)); | |||
9474 | } | |||
9475 | } | |||
9476 | } | |||
9477 | } | |||
9478 | } | |||
9479 | return found_decls; | |||
9480 | } | |||
9481 | ||||
9482 | // Look for child_decl_ctx's lookup scope in frame_decl_ctx and its parents, | |||
9483 | // and return the number of levels it took to find it, or | |||
9484 | // LLDB_INVALID_DECL_LEVEL if not found. If the decl was imported via a using | |||
9485 | // declaration, its name and/or type, if set, will be used to check that the | |||
9486 | // decl found in the scope is a match. | |||
9487 | // | |||
9488 | // The optional name is required by languages (like C++) to handle using | |||
9489 | // declarations like: | |||
9490 | // | |||
9491 | // void poo(); | |||
9492 | // namespace ns { | |||
9493 | // void foo(); | |||
9494 | // void goo(); | |||
9495 | // } | |||
9496 | // void bar() { | |||
9497 | // using ns::foo; | |||
9498 | // // CountDeclLevels returns 0 for 'foo', 1 for 'poo', and | |||
9499 | // // LLDB_INVALID_DECL_LEVEL for 'goo'. | |||
9500 | // } | |||
9501 | // | |||
9502 | // The optional type is useful in the case that there's a specific overload | |||
9503 | // that we're looking for that might otherwise be shadowed, like: | |||
9504 | // | |||
9505 | // void foo(int); | |||
9506 | // namespace ns { | |||
9507 | // void foo(); | |||
9508 | // } | |||
9509 | // void bar() { | |||
9510 | // using ns::foo; | |||
9511 | // // CountDeclLevels returns 0 for { 'foo', void() }, | |||
9512 | // // 1 for { 'foo', void(int) }, and | |||
9513 | // // LLDB_INVALID_DECL_LEVEL for { 'foo', void(int, int) }. | |||
9514 | // } | |||
9515 | // | |||
9516 | // NOTE: Because file statics are at the TranslationUnit along with globals, a | |||
9517 | // function at file scope will return the same level as a function at global | |||
9518 | // scope. Ideally we'd like to treat the file scope as an additional scope just | |||
9519 | // below the global scope. More work needs to be done to recognise that, if | |||
9520 | // the decl we're trying to look up is static, we should compare its source | |||
9521 | // file with that of the current scope and return a lower number for it. | |||
9522 | uint32_t TypeSystemClang::CountDeclLevels(clang::DeclContext *frame_decl_ctx, | |||
9523 | clang::DeclContext *child_decl_ctx, | |||
9524 | ConstString *child_name, | |||
9525 | CompilerType *child_type) { | |||
9526 | SymbolFile *symbol_file = GetSymbolFile(); | |||
9527 | if (frame_decl_ctx && symbol_file) { | |||
9528 | std::set<DeclContext *> searched; | |||
9529 | std::multimap<DeclContext *, DeclContext *> search_queue; | |||
9530 | ||||
9531 | // Get the lookup scope for the decl we're trying to find. | |||
9532 | clang::DeclContext *parent_decl_ctx = child_decl_ctx->getParent(); | |||
9533 | ||||
9534 | // Look for it in our scope's decl context and its parents. | |||
9535 | uint32_t level = 0; | |||
9536 | for (clang::DeclContext *decl_ctx = frame_decl_ctx; decl_ctx != nullptr; | |||
9537 | decl_ctx = decl_ctx->getParent()) { | |||
9538 | if (!decl_ctx->isLookupContext()) | |||
9539 | continue; | |||
9540 | if (decl_ctx == parent_decl_ctx) | |||
9541 | // Found it! | |||
9542 | return level; | |||
9543 | search_queue.insert(std::make_pair(decl_ctx, decl_ctx)); | |||
9544 | for (auto it = search_queue.find(decl_ctx); it != search_queue.end(); | |||
9545 | it++) { | |||
9546 | if (searched.find(it->second) != searched.end()) | |||
9547 | continue; | |||
9548 | ||||
9549 | // Currently DWARF has one shared translation unit for all Decls at top | |||
9550 | // level, so this would erroneously find using statements anywhere. So | |||
9551 | // don't look at the top-level translation unit. | |||
9552 | // TODO fix this and add a testcase that depends on it. | |||
9553 | ||||
9554 | if (llvm::isa<clang::TranslationUnitDecl>(it->second)) | |||
9555 | continue; | |||
9556 | ||||
9557 | searched.insert(it->second); | |||
9558 | symbol_file->ParseDeclsForContext( | |||
9559 | CreateDeclContext(it->second)); | |||
9560 | ||||
9561 | for (clang::Decl *child : it->second->decls()) { | |||
9562 | if (clang::UsingDirectiveDecl *ud = | |||
9563 | llvm::dyn_cast<clang::UsingDirectiveDecl>(child)) { | |||
9564 | clang::DeclContext *ns = ud->getNominatedNamespace(); | |||
9565 | if (ns == parent_decl_ctx) | |||
9566 | // Found it! | |||
9567 | return level; | |||
9568 | clang::DeclContext *from = ud->getCommonAncestor(); | |||
9569 | if (searched.find(ns) == searched.end()) | |||
9570 | search_queue.insert(std::make_pair(from, ns)); | |||
9571 | } else if (child_name) { | |||
9572 | if (clang::UsingDecl *ud = | |||
9573 | llvm::dyn_cast<clang::UsingDecl>(child)) { | |||
9574 | for (clang::UsingShadowDecl *usd : ud->shadows()) { | |||
9575 | clang::Decl *target = usd->getTargetDecl(); | |||
9576 | clang::NamedDecl *nd = llvm::dyn_cast<clang::NamedDecl>(target); | |||
9577 | if (!nd) | |||
9578 | continue; | |||
9579 | // Check names. | |||
9580 | IdentifierInfo *ii = nd->getIdentifier(); | |||
9581 | if (ii == nullptr || | |||
9582 | !ii->getName().equals(child_name->AsCString(nullptr))) | |||
9583 | continue; | |||
9584 | // Check types, if one was provided. | |||
9585 | if (child_type) { | |||
9586 | CompilerType clang_type = GetTypeForDecl(nd); | |||
9587 | if (!AreTypesSame(clang_type, *child_type, | |||
9588 | /*ignore_qualifiers=*/true)) | |||
9589 | continue; | |||
9590 | } | |||
9591 | // Found it! | |||
9592 | return level; | |||
9593 | } | |||
9594 | } | |||
9595 | } | |||
9596 | } | |||
9597 | } | |||
9598 | ++level; | |||
9599 | } | |||
9600 | } | |||
9601 | return LLDB_INVALID_DECL_LEVEL(4294967295U); | |||
9602 | } | |||
9603 | ||||
9604 | ConstString TypeSystemClang::DeclContextGetName(void *opaque_decl_ctx) { | |||
9605 | if (opaque_decl_ctx) { | |||
9606 | clang::NamedDecl *named_decl = | |||
9607 | llvm::dyn_cast<clang::NamedDecl>((clang::DeclContext *)opaque_decl_ctx); | |||
9608 | if (named_decl) | |||
9609 | return ConstString(named_decl->getName()); | |||
9610 | } | |||
9611 | return ConstString(); | |||
9612 | } | |||
9613 | ||||
9614 | ConstString | |||
9615 | TypeSystemClang::DeclContextGetScopeQualifiedName(void *opaque_decl_ctx) { | |||
9616 | if (opaque_decl_ctx) { | |||
9617 | clang::NamedDecl *named_decl = | |||
9618 | llvm::dyn_cast<clang::NamedDecl>((clang::DeclContext *)opaque_decl_ctx); | |||
9619 | if (named_decl) | |||
9620 | return ConstString(GetTypeNameForDecl(named_decl)); | |||
9621 | } | |||
9622 | return ConstString(); | |||
9623 | } | |||
9624 | ||||
9625 | bool TypeSystemClang::DeclContextIsClassMethod( | |||
9626 | void *opaque_decl_ctx, lldb::LanguageType *language_ptr, | |||
9627 | bool *is_instance_method_ptr, ConstString *language_object_name_ptr) { | |||
9628 | if (opaque_decl_ctx) { | |||
9629 | clang::DeclContext *decl_ctx = (clang::DeclContext *)opaque_decl_ctx; | |||
9630 | if (ObjCMethodDecl *objc_method = | |||
9631 | llvm::dyn_cast<clang::ObjCMethodDecl>(decl_ctx)) { | |||
9632 | if (is_instance_method_ptr) | |||
9633 | *is_instance_method_ptr = objc_method->isInstanceMethod(); | |||
9634 | if (language_ptr) | |||
9635 | *language_ptr = eLanguageTypeObjC; | |||
9636 | if (language_object_name_ptr) | |||
9637 | language_object_name_ptr->SetCString("self"); | |||
9638 | return true; | |||
9639 | } else if (CXXMethodDecl *cxx_method = | |||
9640 | llvm::dyn_cast<clang::CXXMethodDecl>(decl_ctx)) { | |||
9641 | if (is_instance_method_ptr) | |||
9642 | *is_instance_method_ptr = cxx_method->isInstance(); | |||
9643 | if (language_ptr) | |||
9644 | *language_ptr = eLanguageTypeC_plus_plus; | |||
9645 | if (language_object_name_ptr) | |||
9646 | language_object_name_ptr->SetCString("this"); | |||
9647 | return true; | |||
9648 | } else if (clang::FunctionDecl *function_decl = | |||
9649 | llvm::dyn_cast<clang::FunctionDecl>(decl_ctx)) { | |||
9650 | ClangASTMetadata *metadata = GetMetadata(function_decl); | |||
9651 | if (metadata && metadata->HasObjectPtr()) { | |||
9652 | if (is_instance_method_ptr) | |||
9653 | *is_instance_method_ptr = true; | |||
9654 | if (language_ptr) | |||
9655 | *language_ptr = eLanguageTypeObjC; | |||
9656 | if (language_object_name_ptr) | |||
9657 | language_object_name_ptr->SetCString(metadata->GetObjectPtrName()); | |||
9658 | return true; | |||
9659 | } | |||
9660 | } | |||
9661 | } | |||
9662 | return false; | |||
9663 | } | |||
9664 | ||||
9665 | bool TypeSystemClang::DeclContextIsContainedInLookup( | |||
9666 | void *opaque_decl_ctx, void *other_opaque_decl_ctx) { | |||
9667 | auto *decl_ctx = (clang::DeclContext *)opaque_decl_ctx; | |||
9668 | auto *other = (clang::DeclContext *)other_opaque_decl_ctx; | |||
9669 | ||||
9670 | do { | |||
9671 | // A decl context always includes its own contents in its lookup. | |||
9672 | if (decl_ctx == other) | |||
9673 | return true; | |||
9674 | ||||
9675 | // If we have an inline namespace, then the lookup of the parent context | |||
9676 | // also includes the inline namespace contents. | |||
9677 | } while (other->isInlineNamespace() && (other = other->getParent())); | |||
9678 | ||||
9679 | return false; | |||
9680 | } | |||
9681 | ||||
9682 | static bool IsClangDeclContext(const CompilerDeclContext &dc) { | |||
9683 | return dc.IsValid() && isa<TypeSystemClang>(dc.GetTypeSystem()); | |||
9684 | } | |||
9685 | ||||
9686 | clang::DeclContext * | |||
9687 | TypeSystemClang::DeclContextGetAsDeclContext(const CompilerDeclContext &dc) { | |||
9688 | if (IsClangDeclContext(dc)) | |||
9689 | return (clang::DeclContext *)dc.GetOpaqueDeclContext(); | |||
9690 | return nullptr; | |||
9691 | } | |||
9692 | ||||
9693 | ObjCMethodDecl * | |||
9694 | TypeSystemClang::DeclContextGetAsObjCMethodDecl(const CompilerDeclContext &dc) { | |||
9695 | if (IsClangDeclContext(dc)) | |||
9696 | return llvm::dyn_cast<clang::ObjCMethodDecl>( | |||
9697 | (clang::DeclContext *)dc.GetOpaqueDeclContext()); | |||
9698 | return nullptr; | |||
9699 | } | |||
9700 | ||||
9701 | CXXMethodDecl * | |||
9702 | TypeSystemClang::DeclContextGetAsCXXMethodDecl(const CompilerDeclContext &dc) { | |||
9703 | if (IsClangDeclContext(dc)) | |||
9704 | return llvm::dyn_cast<clang::CXXMethodDecl>( | |||
9705 | (clang::DeclContext *)dc.GetOpaqueDeclContext()); | |||
9706 | return nullptr; | |||
9707 | } | |||
9708 | ||||
9709 | clang::FunctionDecl * | |||
9710 | TypeSystemClang::DeclContextGetAsFunctionDecl(const CompilerDeclContext &dc) { | |||
9711 | if (IsClangDeclContext(dc)) | |||
9712 | return llvm::dyn_cast<clang::FunctionDecl>( | |||
9713 | (clang::DeclContext *)dc.GetOpaqueDeclContext()); | |||
9714 | return nullptr; | |||
9715 | } | |||
9716 | ||||
9717 | clang::NamespaceDecl * | |||
9718 | TypeSystemClang::DeclContextGetAsNamespaceDecl(const CompilerDeclContext &dc) { | |||
9719 | if (IsClangDeclContext(dc)) | |||
9720 | return llvm::dyn_cast<clang::NamespaceDecl>( | |||
9721 | (clang::DeclContext *)dc.GetOpaqueDeclContext()); | |||
9722 | return nullptr; | |||
9723 | } | |||
9724 | ||||
9725 | ClangASTMetadata * | |||
9726 | TypeSystemClang::DeclContextGetMetaData(const CompilerDeclContext &dc, | |||
9727 | const Decl *object) { | |||
9728 | TypeSystemClang *ast = llvm::cast<TypeSystemClang>(dc.GetTypeSystem()); | |||
9729 | return ast->GetMetadata(object); | |||
9730 | } | |||
9731 | ||||
9732 | clang::ASTContext * | |||
9733 | TypeSystemClang::DeclContextGetTypeSystemClang(const CompilerDeclContext &dc) { | |||
9734 | TypeSystemClang *ast = | |||
9735 | llvm::dyn_cast_or_null<TypeSystemClang>(dc.GetTypeSystem()); | |||
9736 | if (ast) | |||
9737 | return &ast->getASTContext(); | |||
9738 | return nullptr; | |||
9739 | } | |||
9740 | ||||
9741 | namespace { | |||
9742 | /// A specialized scratch AST used within ScratchTypeSystemClang. | |||
9743 | /// These are the ASTs backing the different IsolatedASTKinds. They behave | |||
9744 | /// like a normal ScratchTypeSystemClang but they don't own their own | |||
9745 | /// persistent storage or target reference. | |||
9746 | class SpecializedScratchAST : public TypeSystemClang { | |||
9747 | public: | |||
9748 | /// \param name The display name of the TypeSystemClang instance. | |||
9749 | /// \param triple The triple used for the TypeSystemClang instance. | |||
9750 | /// \param ast_source The ClangASTSource that should be used to complete | |||
9751 | /// type information. | |||
9752 | SpecializedScratchAST(llvm::StringRef name, llvm::Triple triple, | |||
9753 | std::unique_ptr<ClangASTSource> ast_source) | |||
9754 | : TypeSystemClang(name, triple), | |||
9755 | m_scratch_ast_source_up(std::move(ast_source)) { | |||
9756 | // Setup the ClangASTSource to complete this AST. | |||
9757 | m_scratch_ast_source_up->InstallASTContext(*this); | |||
9758 | llvm::IntrusiveRefCntPtr<clang::ExternalASTSource> proxy_ast_source( | |||
9759 | m_scratch_ast_source_up->CreateProxy()); | |||
9760 | SetExternalSource(proxy_ast_source); | |||
9761 | } | |||
9762 | ||||
9763 | /// The ExternalASTSource that performs lookups and completes types. | |||
9764 | std::unique_ptr<ClangASTSource> m_scratch_ast_source_up; | |||
9765 | }; | |||
9766 | } // namespace | |||
9767 | ||||
9768 | char ScratchTypeSystemClang::ID; | |||
9769 | const llvm::NoneType ScratchTypeSystemClang::DefaultAST = llvm::None; | |||
9770 | ||||
9771 | ScratchTypeSystemClang::ScratchTypeSystemClang(Target &target, | |||
9772 | llvm::Triple triple) | |||
9773 | : TypeSystemClang("scratch ASTContext", triple), m_triple(triple), | |||
9774 | m_target_wp(target.shared_from_this()), | |||
9775 | m_persistent_variables( | |||
9776 | new ClangPersistentVariables(target.shared_from_this())) { | |||
9777 | m_scratch_ast_source_up = CreateASTSource(); | |||
9778 | m_scratch_ast_source_up->InstallASTContext(*this); | |||
9779 | llvm::IntrusiveRefCntPtr<clang::ExternalASTSource> proxy_ast_source( | |||
9780 | m_scratch_ast_source_up->CreateProxy()); | |||
9781 | SetExternalSource(proxy_ast_source); | |||
9782 | } | |||
9783 | ||||
9784 | void ScratchTypeSystemClang::Finalize() { | |||
9785 | TypeSystemClang::Finalize(); | |||
9786 | m_scratch_ast_source_up.reset(); | |||
9787 | } | |||
9788 | ||||
9789 | TypeSystemClang * | |||
9790 | ScratchTypeSystemClang::GetForTarget(Target &target, | |||
9791 | llvm::Optional<IsolatedASTKind> ast_kind, | |||
9792 | bool create_on_demand) { | |||
9793 | auto type_system_or_err = target.GetScratchTypeSystemForLanguage( | |||
9794 | lldb::eLanguageTypeC, create_on_demand); | |||
9795 | if (auto err = type_system_or_err.takeError()) { | |||
9796 | LLDB_LOG_ERROR(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_TARGET),do { ::lldb_private::Log *log_private = (lldb_private::GetLogIfAnyCategoriesSet (::lldb_private::LLDBLog::Target)); ::llvm::Error error_private = (std::move(err)); if (log_private && error_private ) { log_private->FormatError(::std::move(error_private), "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Couldn't get scratch TypeSystemClang"); } else :: llvm::consumeError(::std::move(error_private)); } while (0) | |||
9797 | std::move(err), "Couldn't get scratch TypeSystemClang")do { ::lldb_private::Log *log_private = (lldb_private::GetLogIfAnyCategoriesSet (::lldb_private::LLDBLog::Target)); ::llvm::Error error_private = (std::move(err)); if (log_private && error_private ) { log_private->FormatError(::std::move(error_private), "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Couldn't get scratch TypeSystemClang"); } else :: llvm::consumeError(::std::move(error_private)); } while (0); | |||
9798 | return nullptr; | |||
9799 | } | |||
9800 | ScratchTypeSystemClang &scratch_ast = | |||
9801 | llvm::cast<ScratchTypeSystemClang>(type_system_or_err.get()); | |||
9802 | // If no dedicated sub-AST was requested, just return the main AST. | |||
9803 | if (ast_kind == DefaultAST) | |||
9804 | return &scratch_ast; | |||
9805 | // Search the sub-ASTs. | |||
9806 | return &scratch_ast.GetIsolatedAST(*ast_kind); | |||
9807 | } | |||
9808 | ||||
9809 | /// Returns a human-readable name that uniquely identifiers the sub-AST kind. | |||
9810 | static llvm::StringRef | |||
9811 | GetNameForIsolatedASTKind(ScratchTypeSystemClang::IsolatedASTKind kind) { | |||
9812 | switch (kind) { | |||
9813 | case ScratchTypeSystemClang::IsolatedASTKind::CppModules: | |||
9814 | return "C++ modules"; | |||
9815 | } | |||
9816 | llvm_unreachable("Unimplemented IsolatedASTKind?")::llvm::llvm_unreachable_internal("Unimplemented IsolatedASTKind?" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 9816); | |||
9817 | } | |||
9818 | ||||
9819 | void ScratchTypeSystemClang::Dump(llvm::raw_ostream &output) { | |||
9820 | // First dump the main scratch AST. | |||
9821 | output << "State of scratch Clang type system:\n"; | |||
9822 | TypeSystemClang::Dump(output); | |||
9823 | ||||
9824 | // Now sort the isolated sub-ASTs. | |||
9825 | typedef std::pair<IsolatedASTKey, TypeSystem *> KeyAndTS; | |||
9826 | std::vector<KeyAndTS> sorted_typesystems; | |||
9827 | for (const auto &a : m_isolated_asts) | |||
9828 | sorted_typesystems.emplace_back(a.first, a.second.get()); | |||
9829 | llvm::stable_sort(sorted_typesystems, | |||
9830 | [](const KeyAndTS &lhs, const KeyAndTS &rhs) { | |||
9831 | return lhs.first < rhs.first; | |||
9832 | }); | |||
9833 | ||||
9834 | // Dump each sub-AST too. | |||
9835 | for (const auto &a : sorted_typesystems) { | |||
9836 | IsolatedASTKind kind = | |||
9837 | static_cast<ScratchTypeSystemClang::IsolatedASTKind>(a.first); | |||
9838 | output << "State of scratch Clang type subsystem " | |||
9839 | << GetNameForIsolatedASTKind(kind) << ":\n"; | |||
9840 | a.second->Dump(output); | |||
9841 | } | |||
9842 | } | |||
9843 | ||||
9844 | UserExpression *ScratchTypeSystemClang::GetUserExpression( | |||
9845 | llvm::StringRef expr, llvm::StringRef prefix, lldb::LanguageType language, | |||
9846 | Expression::ResultType desired_type, | |||
9847 | const EvaluateExpressionOptions &options, ValueObject *ctx_obj) { | |||
9848 | TargetSP target_sp = m_target_wp.lock(); | |||
9849 | if (!target_sp) | |||
9850 | return nullptr; | |||
9851 | ||||
9852 | return new ClangUserExpression(*target_sp.get(), expr, prefix, language, | |||
9853 | desired_type, options, ctx_obj); | |||
9854 | } | |||
9855 | ||||
9856 | FunctionCaller *ScratchTypeSystemClang::GetFunctionCaller( | |||
9857 | const CompilerType &return_type, const Address &function_address, | |||
9858 | const ValueList &arg_value_list, const char *name) { | |||
9859 | TargetSP target_sp = m_target_wp.lock(); | |||
9860 | if (!target_sp) | |||
9861 | return nullptr; | |||
9862 | ||||
9863 | Process *process = target_sp->GetProcessSP().get(); | |||
9864 | if (!process) | |||
9865 | return nullptr; | |||
9866 | ||||
9867 | return new ClangFunctionCaller(*process, return_type, function_address, | |||
9868 | arg_value_list, name); | |||
9869 | } | |||
9870 | ||||
9871 | std::unique_ptr<UtilityFunction> | |||
9872 | ScratchTypeSystemClang::CreateUtilityFunction(std::string text, | |||
9873 | std::string name) { | |||
9874 | TargetSP target_sp = m_target_wp.lock(); | |||
9875 | if (!target_sp) | |||
9876 | return {}; | |||
9877 | ||||
9878 | return std::make_unique<ClangUtilityFunction>( | |||
9879 | *target_sp.get(), std::move(text), std::move(name), | |||
9880 | target_sp->GetDebugUtilityExpression()); | |||
9881 | } | |||
9882 | ||||
9883 | PersistentExpressionState * | |||
9884 | ScratchTypeSystemClang::GetPersistentExpressionState() { | |||
9885 | return m_persistent_variables.get(); | |||
9886 | } | |||
9887 | ||||
9888 | void ScratchTypeSystemClang::ForgetSource(ASTContext *src_ctx, | |||
9889 | ClangASTImporter &importer) { | |||
9890 | // Remove it as a source from the main AST. | |||
9891 | importer.ForgetSource(&getASTContext(), src_ctx); | |||
9892 | // Remove it as a source from all created sub-ASTs. | |||
9893 | for (const auto &a : m_isolated_asts) | |||
9894 | importer.ForgetSource(&a.second->getASTContext(), src_ctx); | |||
9895 | } | |||
9896 | ||||
9897 | std::unique_ptr<ClangASTSource> ScratchTypeSystemClang::CreateASTSource() { | |||
9898 | return std::make_unique<ClangASTSource>( | |||
9899 | m_target_wp.lock()->shared_from_this(), | |||
9900 | m_persistent_variables->GetClangASTImporter()); | |||
9901 | } | |||
9902 | ||||
9903 | static llvm::StringRef | |||
9904 | GetSpecializedASTName(ScratchTypeSystemClang::IsolatedASTKind feature) { | |||
9905 | switch (feature) { | |||
9906 | case ScratchTypeSystemClang::IsolatedASTKind::CppModules: | |||
9907 | return "scratch ASTContext for C++ module types"; | |||
9908 | } | |||
9909 | llvm_unreachable("Unimplemented ASTFeature kind?")::llvm::llvm_unreachable_internal("Unimplemented ASTFeature kind?" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 9909); | |||
9910 | } | |||
9911 | ||||
9912 | TypeSystemClang &ScratchTypeSystemClang::GetIsolatedAST( | |||
9913 | ScratchTypeSystemClang::IsolatedASTKind feature) { | |||
9914 | auto found_ast = m_isolated_asts.find(feature); | |||
9915 | if (found_ast != m_isolated_asts.end()) | |||
9916 | return *found_ast->second; | |||
9917 | ||||
9918 | // Couldn't find the requested sub-AST, so create it now. | |||
9919 | std::unique_ptr<TypeSystemClang> new_ast; | |||
9920 | new_ast.reset(new SpecializedScratchAST(GetSpecializedASTName(feature), | |||
9921 | m_triple, CreateASTSource())); | |||
9922 | m_isolated_asts[feature] = std::move(new_ast); | |||
9923 | return *m_isolated_asts[feature]; | |||
9924 | } |