File: | src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp |
Warning: | line 6699, column 23 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?")((void)0); |
92 | #ifndef NDEBUG1 |
93 | // We don't care about the actual access value here but only want to trigger |
94 | // that Clang calls its internal Decl::AccessDeclContextSanity check. |
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__, "/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/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__, "/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/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_ADDRESS0xffffffffffffffffULL; |
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_ADDRESS0xffffffffffffffffULL; |
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_ADDRESS0xffffffffffffffffULL; |
229 | |
230 | auto vbtable_ptr_addr = valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS0xffffffffffffffffULL); |
231 | if (vbtable_ptr_addr == LLDB_INVALID_ADDRESS0xffffffffffffffffULL) |
232 | return LLDB_INVALID_ADDRESS0xffffffffffffffffULL; |
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_ADDRESS0xffffffffffffffffULL; |
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_MAX0x7fffffffffffffffLL, |
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_MAX0x7fffffffffffffffLL, 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_ADDRESS0xffffffffffffffffULL) |
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_MAX0x7fffffffffffffffLL) |
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)((void)0); |
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!")__builtin_unreachable(); |
477 | case clang::Language::OpenCL: |
478 | LangStd = LangStandard::lang_opencl10; |
479 | break; |
480 | case clang::Language::OpenCLCXX: |
481 | LangStd = LangStandard::lang_openclcpp; |
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 | ConstString TypeSystemClang::GetPluginNameStatic() { |
574 | return ConstString("clang"); |
575 | } |
576 | |
577 | ConstString TypeSystemClang::GetPluginName() { |
578 | return TypeSystemClang::GetPluginNameStatic(); |
579 | } |
580 | |
581 | uint32_t TypeSystemClang::GetPluginVersion() { return 1; } |
582 | |
583 | lldb::TypeSystemSP TypeSystemClang::CreateInstance(lldb::LanguageType language, |
584 | lldb_private::Module *module, |
585 | Target *target) { |
586 | if (!TypeSystemClangSupportsLanguage(language)) |
587 | return lldb::TypeSystemSP(); |
588 | ArchSpec arch; |
589 | if (module) |
590 | arch = module->GetArchitecture(); |
591 | else if (target) |
592 | arch = target->GetArchitecture(); |
593 | |
594 | if (!arch.IsValid()) |
595 | return lldb::TypeSystemSP(); |
596 | |
597 | llvm::Triple triple = arch.GetTriple(); |
598 | // LLVM wants this to be set to iOS or MacOSX; if we're working on |
599 | // a bare-boards type image, change the triple for llvm's benefit. |
600 | if (triple.getVendor() == llvm::Triple::Apple && |
601 | triple.getOS() == llvm::Triple::UnknownOS) { |
602 | if (triple.getArch() == llvm::Triple::arm || |
603 | triple.getArch() == llvm::Triple::aarch64 || |
604 | triple.getArch() == llvm::Triple::aarch64_32 || |
605 | triple.getArch() == llvm::Triple::thumb) { |
606 | triple.setOS(llvm::Triple::IOS); |
607 | } else { |
608 | triple.setOS(llvm::Triple::MacOSX); |
609 | } |
610 | } |
611 | |
612 | if (module) { |
613 | std::string ast_name = |
614 | "ASTContext for '" + module->GetFileSpec().GetPath() + "'"; |
615 | return std::make_shared<TypeSystemClang>(ast_name, triple); |
616 | } else if (target && target->IsValid()) |
617 | return std::make_shared<ScratchTypeSystemClang>(*target, triple); |
618 | return lldb::TypeSystemSP(); |
619 | } |
620 | |
621 | LanguageSet TypeSystemClang::GetSupportedLanguagesForTypes() { |
622 | LanguageSet languages; |
623 | languages.Insert(lldb::eLanguageTypeC89); |
624 | languages.Insert(lldb::eLanguageTypeC); |
625 | languages.Insert(lldb::eLanguageTypeC11); |
626 | languages.Insert(lldb::eLanguageTypeC_plus_plus); |
627 | languages.Insert(lldb::eLanguageTypeC99); |
628 | languages.Insert(lldb::eLanguageTypeObjC); |
629 | languages.Insert(lldb::eLanguageTypeObjC_plus_plus); |
630 | languages.Insert(lldb::eLanguageTypeC_plus_plus_03); |
631 | languages.Insert(lldb::eLanguageTypeC_plus_plus_11); |
632 | languages.Insert(lldb::eLanguageTypeC11); |
633 | languages.Insert(lldb::eLanguageTypeC_plus_plus_14); |
634 | return languages; |
635 | } |
636 | |
637 | LanguageSet TypeSystemClang::GetSupportedLanguagesForExpressions() { |
638 | LanguageSet languages; |
639 | languages.Insert(lldb::eLanguageTypeC_plus_plus); |
640 | languages.Insert(lldb::eLanguageTypeObjC_plus_plus); |
641 | languages.Insert(lldb::eLanguageTypeC_plus_plus_03); |
642 | languages.Insert(lldb::eLanguageTypeC_plus_plus_11); |
643 | languages.Insert(lldb::eLanguageTypeC_plus_plus_14); |
644 | return languages; |
645 | } |
646 | |
647 | void TypeSystemClang::Initialize() { |
648 | PluginManager::RegisterPlugin( |
649 | GetPluginNameStatic(), "clang base AST context plug-in", CreateInstance, |
650 | GetSupportedLanguagesForTypes(), GetSupportedLanguagesForExpressions()); |
651 | } |
652 | |
653 | void TypeSystemClang::Terminate() { |
654 | PluginManager::UnregisterPlugin(CreateInstance); |
655 | } |
656 | |
657 | void TypeSystemClang::Finalize() { |
658 | assert(m_ast_up)((void)0); |
659 | GetASTMap().Erase(m_ast_up.get()); |
660 | if (!m_ast_owned) |
661 | m_ast_up.release(); |
662 | |
663 | m_builtins_up.reset(); |
664 | m_selector_table_up.reset(); |
665 | m_identifier_table_up.reset(); |
666 | m_target_info_up.reset(); |
667 | m_target_options_rp.reset(); |
668 | m_diagnostics_engine_up.reset(); |
669 | m_source_manager_up.reset(); |
670 | m_language_options_up.reset(); |
671 | } |
672 | |
673 | void TypeSystemClang::setSema(Sema *s) { |
674 | // Ensure that the new sema actually belongs to our ASTContext. |
675 | assert(s == nullptr || &s->getASTContext() == m_ast_up.get())((void)0); |
676 | m_sema = s; |
677 | } |
678 | |
679 | const char *TypeSystemClang::GetTargetTriple() { |
680 | return m_target_triple.c_str(); |
681 | } |
682 | |
683 | void TypeSystemClang::SetTargetTriple(llvm::StringRef target_triple) { |
684 | m_target_triple = target_triple.str(); |
685 | } |
686 | |
687 | void TypeSystemClang::SetExternalSource( |
688 | llvm::IntrusiveRefCntPtr<ExternalASTSource> &ast_source_up) { |
689 | ASTContext &ast = getASTContext(); |
690 | ast.getTranslationUnitDecl()->setHasExternalLexicalStorage(true); |
691 | ast.setExternalSource(ast_source_up); |
692 | } |
693 | |
694 | ASTContext &TypeSystemClang::getASTContext() { |
695 | assert(m_ast_up)((void)0); |
696 | return *m_ast_up; |
697 | } |
698 | |
699 | class NullDiagnosticConsumer : public DiagnosticConsumer { |
700 | public: |
701 | NullDiagnosticConsumer() { |
702 | m_log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS(1u << 8)); |
703 | } |
704 | |
705 | void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, |
706 | const clang::Diagnostic &info) override { |
707 | if (m_log) { |
708 | llvm::SmallVector<char, 32> diag_str(10); |
709 | info.FormatDiagnostic(diag_str); |
710 | diag_str.push_back('\0'); |
711 | 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); |
712 | } |
713 | } |
714 | |
715 | DiagnosticConsumer *clone(DiagnosticsEngine &Diags) const { |
716 | return new NullDiagnosticConsumer(); |
717 | } |
718 | |
719 | private: |
720 | Log *m_log; |
721 | }; |
722 | |
723 | void TypeSystemClang::CreateASTContext() { |
724 | assert(!m_ast_up)((void)0); |
725 | m_ast_owned = true; |
726 | |
727 | m_language_options_up = std::make_unique<LangOptions>(); |
728 | ParseLangArgs(*m_language_options_up, clang::Language::ObjCXX, |
729 | GetTargetTriple()); |
730 | |
731 | m_identifier_table_up = |
732 | std::make_unique<IdentifierTable>(*m_language_options_up, nullptr); |
733 | m_builtins_up = std::make_unique<Builtin::Context>(); |
734 | |
735 | m_selector_table_up = std::make_unique<SelectorTable>(); |
736 | |
737 | clang::FileSystemOptions file_system_options; |
738 | m_file_manager_up = std::make_unique<clang::FileManager>( |
739 | file_system_options, FileSystem::Instance().GetVirtualFileSystem()); |
740 | |
741 | llvm::IntrusiveRefCntPtr<DiagnosticIDs> diag_id_sp(new DiagnosticIDs()); |
742 | m_diagnostics_engine_up = |
743 | std::make_unique<DiagnosticsEngine>(diag_id_sp, new DiagnosticOptions()); |
744 | |
745 | m_source_manager_up = std::make_unique<clang::SourceManager>( |
746 | *m_diagnostics_engine_up, *m_file_manager_up); |
747 | m_ast_up = std::make_unique<ASTContext>( |
748 | *m_language_options_up, *m_source_manager_up, *m_identifier_table_up, |
749 | *m_selector_table_up, *m_builtins_up, TU_Complete); |
750 | |
751 | m_diagnostic_consumer_up = std::make_unique<NullDiagnosticConsumer>(); |
752 | m_ast_up->getDiagnostics().setClient(m_diagnostic_consumer_up.get(), false); |
753 | |
754 | // This can be NULL if we don't know anything about the architecture or if |
755 | // the target for an architecture isn't enabled in the llvm/clang that we |
756 | // built |
757 | TargetInfo *target_info = getTargetInfo(); |
758 | if (target_info) |
759 | m_ast_up->InitBuiltinTypes(*target_info); |
760 | |
761 | GetASTMap().Insert(m_ast_up.get(), this); |
762 | |
763 | llvm::IntrusiveRefCntPtr<clang::ExternalASTSource> ast_source_up( |
764 | new ClangExternalASTSourceCallbacks(*this)); |
765 | SetExternalSource(ast_source_up); |
766 | } |
767 | |
768 | TypeSystemClang *TypeSystemClang::GetASTContext(clang::ASTContext *ast) { |
769 | TypeSystemClang *clang_ast = GetASTMap().Lookup(ast); |
770 | return clang_ast; |
771 | } |
772 | |
773 | clang::MangleContext *TypeSystemClang::getMangleContext() { |
774 | if (m_mangle_ctx_up == nullptr) |
775 | m_mangle_ctx_up.reset(getASTContext().createMangleContext()); |
776 | return m_mangle_ctx_up.get(); |
777 | } |
778 | |
779 | std::shared_ptr<clang::TargetOptions> &TypeSystemClang::getTargetOptions() { |
780 | if (m_target_options_rp == nullptr && !m_target_triple.empty()) { |
781 | m_target_options_rp = std::make_shared<clang::TargetOptions>(); |
782 | if (m_target_options_rp != nullptr) |
783 | m_target_options_rp->Triple = m_target_triple; |
784 | } |
785 | return m_target_options_rp; |
786 | } |
787 | |
788 | TargetInfo *TypeSystemClang::getTargetInfo() { |
789 | // target_triple should be something like "x86_64-apple-macosx" |
790 | if (m_target_info_up == nullptr && !m_target_triple.empty()) |
791 | m_target_info_up.reset(TargetInfo::CreateTargetInfo( |
792 | getASTContext().getDiagnostics(), getTargetOptions())); |
793 | return m_target_info_up.get(); |
794 | } |
795 | |
796 | #pragma mark Basic Types |
797 | |
798 | static inline bool QualTypeMatchesBitSize(const uint64_t bit_size, |
799 | ASTContext &ast, QualType qual_type) { |
800 | uint64_t qual_type_bit_size = ast.getTypeSize(qual_type); |
801 | return qual_type_bit_size == bit_size; |
802 | } |
803 | |
804 | CompilerType |
805 | TypeSystemClang::GetBuiltinTypeForEncodingAndBitSize(Encoding encoding, |
806 | size_t bit_size) { |
807 | ASTContext &ast = getASTContext(); |
808 | switch (encoding) { |
809 | case eEncodingInvalid: |
810 | if (QualTypeMatchesBitSize(bit_size, ast, ast.VoidPtrTy)) |
811 | return GetType(ast.VoidPtrTy); |
812 | break; |
813 | |
814 | case eEncodingUint: |
815 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
816 | return GetType(ast.UnsignedCharTy); |
817 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
818 | return GetType(ast.UnsignedShortTy); |
819 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) |
820 | return GetType(ast.UnsignedIntTy); |
821 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy)) |
822 | return GetType(ast.UnsignedLongTy); |
823 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy)) |
824 | return GetType(ast.UnsignedLongLongTy); |
825 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty)) |
826 | return GetType(ast.UnsignedInt128Ty); |
827 | break; |
828 | |
829 | case eEncodingSint: |
830 | if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy)) |
831 | return GetType(ast.SignedCharTy); |
832 | if (QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy)) |
833 | return GetType(ast.ShortTy); |
834 | if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy)) |
835 | return GetType(ast.IntTy); |
836 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongTy)) |
837 | return GetType(ast.LongTy); |
838 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy)) |
839 | return GetType(ast.LongLongTy); |
840 | if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty)) |
841 | return GetType(ast.Int128Ty); |
842 | break; |
843 | |
844 | case eEncodingIEEE754: |
845 | if (QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy)) |
846 | return GetType(ast.FloatTy); |
847 | if (QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy)) |
848 | return GetType(ast.DoubleTy); |
849 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy)) |
850 | return GetType(ast.LongDoubleTy); |
851 | if (QualTypeMatchesBitSize(bit_size, ast, ast.HalfTy)) |
852 | return GetType(ast.HalfTy); |
853 | break; |
854 | |
855 | case eEncodingVector: |
856 | // Sanity check that bit_size is a multiple of 8's. |
857 | if (bit_size && !(bit_size & 0x7u)) |
858 | return GetType(ast.getExtVectorType(ast.UnsignedCharTy, bit_size / 8)); |
859 | break; |
860 | } |
861 | |
862 | return CompilerType(); |
863 | } |
864 | |
865 | lldb::BasicType |
866 | TypeSystemClang::GetBasicTypeEnumeration(ConstString name) { |
867 | if (name) { |
868 | typedef UniqueCStringMap<lldb::BasicType> TypeNameToBasicTypeMap; |
869 | static TypeNameToBasicTypeMap g_type_map; |
870 | static llvm::once_flag g_once_flag; |
871 | llvm::call_once(g_once_flag, []() { |
872 | // "void" |
873 | g_type_map.Append(ConstString("void"), eBasicTypeVoid); |
874 | |
875 | // "char" |
876 | g_type_map.Append(ConstString("char"), eBasicTypeChar); |
877 | g_type_map.Append(ConstString("signed char"), eBasicTypeSignedChar); |
878 | g_type_map.Append(ConstString("unsigned char"), eBasicTypeUnsignedChar); |
879 | g_type_map.Append(ConstString("wchar_t"), eBasicTypeWChar); |
880 | g_type_map.Append(ConstString("signed wchar_t"), eBasicTypeSignedWChar); |
881 | g_type_map.Append(ConstString("unsigned wchar_t"), |
882 | eBasicTypeUnsignedWChar); |
883 | // "short" |
884 | g_type_map.Append(ConstString("short"), eBasicTypeShort); |
885 | g_type_map.Append(ConstString("short int"), eBasicTypeShort); |
886 | g_type_map.Append(ConstString("unsigned short"), eBasicTypeUnsignedShort); |
887 | g_type_map.Append(ConstString("unsigned short int"), |
888 | eBasicTypeUnsignedShort); |
889 | |
890 | // "int" |
891 | g_type_map.Append(ConstString("int"), eBasicTypeInt); |
892 | g_type_map.Append(ConstString("signed int"), eBasicTypeInt); |
893 | g_type_map.Append(ConstString("unsigned int"), eBasicTypeUnsignedInt); |
894 | g_type_map.Append(ConstString("unsigned"), eBasicTypeUnsignedInt); |
895 | |
896 | // "long" |
897 | g_type_map.Append(ConstString("long"), eBasicTypeLong); |
898 | g_type_map.Append(ConstString("long int"), eBasicTypeLong); |
899 | g_type_map.Append(ConstString("unsigned long"), eBasicTypeUnsignedLong); |
900 | g_type_map.Append(ConstString("unsigned long int"), |
901 | eBasicTypeUnsignedLong); |
902 | |
903 | // "long long" |
904 | g_type_map.Append(ConstString("long long"), eBasicTypeLongLong); |
905 | g_type_map.Append(ConstString("long long int"), eBasicTypeLongLong); |
906 | g_type_map.Append(ConstString("unsigned long long"), |
907 | eBasicTypeUnsignedLongLong); |
908 | g_type_map.Append(ConstString("unsigned long long int"), |
909 | eBasicTypeUnsignedLongLong); |
910 | |
911 | // "int128" |
912 | g_type_map.Append(ConstString("__int128_t"), eBasicTypeInt128); |
913 | g_type_map.Append(ConstString("__uint128_t"), eBasicTypeUnsignedInt128); |
914 | |
915 | // Miscellaneous |
916 | g_type_map.Append(ConstString("bool"), eBasicTypeBool); |
917 | g_type_map.Append(ConstString("float"), eBasicTypeFloat); |
918 | g_type_map.Append(ConstString("double"), eBasicTypeDouble); |
919 | g_type_map.Append(ConstString("long double"), eBasicTypeLongDouble); |
920 | g_type_map.Append(ConstString("id"), eBasicTypeObjCID); |
921 | g_type_map.Append(ConstString("SEL"), eBasicTypeObjCSel); |
922 | g_type_map.Append(ConstString("nullptr"), eBasicTypeNullPtr); |
923 | g_type_map.Sort(); |
924 | }); |
925 | |
926 | return g_type_map.Find(name, eBasicTypeInvalid); |
927 | } |
928 | return eBasicTypeInvalid; |
929 | } |
930 | |
931 | uint32_t TypeSystemClang::GetPointerByteSize() { |
932 | if (m_pointer_byte_size == 0) |
933 | if (auto size = GetBasicType(lldb::eBasicTypeVoid) |
934 | .GetPointerType() |
935 | .GetByteSize(nullptr)) |
936 | m_pointer_byte_size = *size; |
937 | return m_pointer_byte_size; |
938 | } |
939 | |
940 | CompilerType TypeSystemClang::GetBasicType(lldb::BasicType basic_type) { |
941 | clang::ASTContext &ast = getASTContext(); |
942 | |
943 | lldb::opaque_compiler_type_t clang_type = |
944 | GetOpaqueCompilerType(&ast, basic_type); |
945 | |
946 | if (clang_type) |
947 | return CompilerType(this, clang_type); |
948 | return CompilerType(); |
949 | } |
950 | |
951 | CompilerType TypeSystemClang::GetBuiltinTypeForDWARFEncodingAndBitSize( |
952 | llvm::StringRef type_name, uint32_t dw_ate, uint32_t bit_size) { |
953 | ASTContext &ast = getASTContext(); |
954 | |
955 | switch (dw_ate) { |
956 | default: |
957 | break; |
958 | |
959 | case DW_ATE_address: |
960 | if (QualTypeMatchesBitSize(bit_size, ast, ast.VoidPtrTy)) |
961 | return GetType(ast.VoidPtrTy); |
962 | break; |
963 | |
964 | case DW_ATE_boolean: |
965 | if (QualTypeMatchesBitSize(bit_size, ast, ast.BoolTy)) |
966 | return GetType(ast.BoolTy); |
967 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
968 | return GetType(ast.UnsignedCharTy); |
969 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
970 | return GetType(ast.UnsignedShortTy); |
971 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) |
972 | return GetType(ast.UnsignedIntTy); |
973 | break; |
974 | |
975 | case DW_ATE_lo_user: |
976 | // This has been seen to mean DW_AT_complex_integer |
977 | if (type_name.contains("complex")) { |
978 | CompilerType complex_int_clang_type = |
979 | GetBuiltinTypeForDWARFEncodingAndBitSize("int", DW_ATE_signed, |
980 | bit_size / 2); |
981 | return GetType( |
982 | ast.getComplexType(ClangUtil::GetQualType(complex_int_clang_type))); |
983 | } |
984 | break; |
985 | |
986 | case DW_ATE_complex_float: |
987 | if (QualTypeMatchesBitSize(bit_size, ast, ast.FloatComplexTy)) |
988 | return GetType(ast.FloatComplexTy); |
989 | else if (QualTypeMatchesBitSize(bit_size, ast, ast.DoubleComplexTy)) |
990 | return GetType(ast.DoubleComplexTy); |
991 | else if (QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleComplexTy)) |
992 | return GetType(ast.LongDoubleComplexTy); |
993 | else { |
994 | CompilerType complex_float_clang_type = |
995 | GetBuiltinTypeForDWARFEncodingAndBitSize("float", DW_ATE_float, |
996 | bit_size / 2); |
997 | return GetType( |
998 | ast.getComplexType(ClangUtil::GetQualType(complex_float_clang_type))); |
999 | } |
1000 | break; |
1001 | |
1002 | case DW_ATE_float: |
1003 | if (type_name == "float" && |
1004 | QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy)) |
1005 | return GetType(ast.FloatTy); |
1006 | if (type_name == "double" && |
1007 | QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy)) |
1008 | return GetType(ast.DoubleTy); |
1009 | if (type_name == "long double" && |
1010 | QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy)) |
1011 | return GetType(ast.LongDoubleTy); |
1012 | // Fall back to not requiring a name match |
1013 | if (QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy)) |
1014 | return GetType(ast.FloatTy); |
1015 | if (QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy)) |
1016 | return GetType(ast.DoubleTy); |
1017 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy)) |
1018 | return GetType(ast.LongDoubleTy); |
1019 | if (QualTypeMatchesBitSize(bit_size, ast, ast.HalfTy)) |
1020 | return GetType(ast.HalfTy); |
1021 | break; |
1022 | |
1023 | case DW_ATE_signed: |
1024 | if (!type_name.empty()) { |
1025 | if (type_name == "wchar_t" && |
1026 | QualTypeMatchesBitSize(bit_size, ast, ast.WCharTy) && |
1027 | (getTargetInfo() && |
1028 | TargetInfo::isTypeSigned(getTargetInfo()->getWCharType()))) |
1029 | return GetType(ast.WCharTy); |
1030 | if (type_name == "void" && |
1031 | QualTypeMatchesBitSize(bit_size, ast, ast.VoidTy)) |
1032 | return GetType(ast.VoidTy); |
1033 | if (type_name.contains("long long") && |
1034 | QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy)) |
1035 | return GetType(ast.LongLongTy); |
1036 | if (type_name.contains("long") && |
1037 | QualTypeMatchesBitSize(bit_size, ast, ast.LongTy)) |
1038 | return GetType(ast.LongTy); |
1039 | if (type_name.contains("short") && |
1040 | QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy)) |
1041 | return GetType(ast.ShortTy); |
1042 | if (type_name.contains("char")) { |
1043 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) |
1044 | return GetType(ast.CharTy); |
1045 | if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy)) |
1046 | return GetType(ast.SignedCharTy); |
1047 | } |
1048 | if (type_name.contains("int")) { |
1049 | if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy)) |
1050 | return GetType(ast.IntTy); |
1051 | if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty)) |
1052 | return GetType(ast.Int128Ty); |
1053 | } |
1054 | } |
1055 | // We weren't able to match up a type name, just search by size |
1056 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) |
1057 | return GetType(ast.CharTy); |
1058 | if (QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy)) |
1059 | return GetType(ast.ShortTy); |
1060 | if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy)) |
1061 | return GetType(ast.IntTy); |
1062 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongTy)) |
1063 | return GetType(ast.LongTy); |
1064 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy)) |
1065 | return GetType(ast.LongLongTy); |
1066 | if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty)) |
1067 | return GetType(ast.Int128Ty); |
1068 | break; |
1069 | |
1070 | case DW_ATE_signed_char: |
1071 | if (ast.getLangOpts().CharIsSigned && type_name == "char") { |
1072 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) |
1073 | return GetType(ast.CharTy); |
1074 | } |
1075 | if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy)) |
1076 | return GetType(ast.SignedCharTy); |
1077 | break; |
1078 | |
1079 | case DW_ATE_unsigned: |
1080 | if (!type_name.empty()) { |
1081 | if (type_name == "wchar_t") { |
1082 | if (QualTypeMatchesBitSize(bit_size, ast, ast.WCharTy)) { |
1083 | if (!(getTargetInfo() && |
1084 | TargetInfo::isTypeSigned(getTargetInfo()->getWCharType()))) |
1085 | return GetType(ast.WCharTy); |
1086 | } |
1087 | } |
1088 | if (type_name.contains("long long")) { |
1089 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy)) |
1090 | return GetType(ast.UnsignedLongLongTy); |
1091 | } else if (type_name.contains("long")) { |
1092 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy)) |
1093 | return GetType(ast.UnsignedLongTy); |
1094 | } else if (type_name.contains("short")) { |
1095 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
1096 | return GetType(ast.UnsignedShortTy); |
1097 | } else if (type_name.contains("char")) { |
1098 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
1099 | return GetType(ast.UnsignedCharTy); |
1100 | } else if (type_name.contains("int")) { |
1101 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) |
1102 | return GetType(ast.UnsignedIntTy); |
1103 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty)) |
1104 | return GetType(ast.UnsignedInt128Ty); |
1105 | } |
1106 | } |
1107 | // We weren't able to match up a type name, just search by size |
1108 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
1109 | return GetType(ast.UnsignedCharTy); |
1110 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
1111 | return GetType(ast.UnsignedShortTy); |
1112 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) |
1113 | return GetType(ast.UnsignedIntTy); |
1114 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy)) |
1115 | return GetType(ast.UnsignedLongTy); |
1116 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy)) |
1117 | return GetType(ast.UnsignedLongLongTy); |
1118 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty)) |
1119 | return GetType(ast.UnsignedInt128Ty); |
1120 | break; |
1121 | |
1122 | case DW_ATE_unsigned_char: |
1123 | if (!ast.getLangOpts().CharIsSigned && type_name == "char") { |
1124 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) |
1125 | return GetType(ast.CharTy); |
1126 | } |
1127 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
1128 | return GetType(ast.UnsignedCharTy); |
1129 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
1130 | return GetType(ast.UnsignedShortTy); |
1131 | break; |
1132 | |
1133 | case DW_ATE_imaginary_float: |
1134 | break; |
1135 | |
1136 | case DW_ATE_UTF: |
1137 | switch (bit_size) { |
1138 | case 8: |
1139 | return GetType(ast.Char8Ty); |
1140 | case 16: |
1141 | return GetType(ast.Char16Ty); |
1142 | case 32: |
1143 | return GetType(ast.Char32Ty); |
1144 | default: |
1145 | if (!type_name.empty()) { |
1146 | if (type_name == "char16_t") |
1147 | return GetType(ast.Char16Ty); |
1148 | if (type_name == "char32_t") |
1149 | return GetType(ast.Char32Ty); |
1150 | if (type_name == "char8_t") |
1151 | return GetType(ast.Char8Ty); |
1152 | } |
1153 | } |
1154 | break; |
1155 | } |
1156 | // This assert should fire for anything that we don't catch above so we know |
1157 | // to fix any issues we run into. |
1158 | if (!type_name.empty()) { |
1159 | std::string type_name_str = type_name.str(); |
1160 | Host::SystemLog(Host::eSystemLogError, |
1161 | "error: need to add support for DW_TAG_base_type '%s' " |
1162 | "encoded with DW_ATE = 0x%x, bit_size = %u\n", |
1163 | type_name_str.c_str(), dw_ate, bit_size); |
1164 | } else { |
1165 | Host::SystemLog(Host::eSystemLogError, "error: need to add support for " |
1166 | "DW_TAG_base_type encoded with " |
1167 | "DW_ATE = 0x%x, bit_size = %u\n", |
1168 | dw_ate, bit_size); |
1169 | } |
1170 | return CompilerType(); |
1171 | } |
1172 | |
1173 | CompilerType TypeSystemClang::GetCStringType(bool is_const) { |
1174 | ASTContext &ast = getASTContext(); |
1175 | QualType char_type(ast.CharTy); |
1176 | |
1177 | if (is_const) |
1178 | char_type.addConst(); |
1179 | |
1180 | return GetType(ast.getPointerType(char_type)); |
1181 | } |
1182 | |
1183 | bool TypeSystemClang::AreTypesSame(CompilerType type1, CompilerType type2, |
1184 | bool ignore_qualifiers) { |
1185 | TypeSystemClang *ast = |
1186 | llvm::dyn_cast_or_null<TypeSystemClang>(type1.GetTypeSystem()); |
1187 | if (!ast || ast != type2.GetTypeSystem()) |
1188 | return false; |
1189 | |
1190 | if (type1.GetOpaqueQualType() == type2.GetOpaqueQualType()) |
1191 | return true; |
1192 | |
1193 | QualType type1_qual = ClangUtil::GetQualType(type1); |
1194 | QualType type2_qual = ClangUtil::GetQualType(type2); |
1195 | |
1196 | if (ignore_qualifiers) { |
1197 | type1_qual = type1_qual.getUnqualifiedType(); |
1198 | type2_qual = type2_qual.getUnqualifiedType(); |
1199 | } |
1200 | |
1201 | return ast->getASTContext().hasSameType(type1_qual, type2_qual); |
1202 | } |
1203 | |
1204 | CompilerType TypeSystemClang::GetTypeForDecl(void *opaque_decl) { |
1205 | if (!opaque_decl) |
1206 | return CompilerType(); |
1207 | |
1208 | clang::Decl *decl = static_cast<clang::Decl *>(opaque_decl); |
1209 | if (auto *named_decl = llvm::dyn_cast<clang::NamedDecl>(decl)) |
1210 | return GetTypeForDecl(named_decl); |
1211 | return CompilerType(); |
1212 | } |
1213 | |
1214 | CompilerDeclContext TypeSystemClang::CreateDeclContext(DeclContext *ctx) { |
1215 | // Check that the DeclContext actually belongs to this ASTContext. |
1216 | assert(&ctx->getParentASTContext() == &getASTContext())((void)0); |
1217 | return CompilerDeclContext(this, ctx); |
1218 | } |
1219 | |
1220 | CompilerType TypeSystemClang::GetTypeForDecl(clang::NamedDecl *decl) { |
1221 | if (clang::ObjCInterfaceDecl *interface_decl = |
1222 | llvm::dyn_cast<clang::ObjCInterfaceDecl>(decl)) |
1223 | return GetTypeForDecl(interface_decl); |
1224 | if (clang::TagDecl *tag_decl = llvm::dyn_cast<clang::TagDecl>(decl)) |
1225 | return GetTypeForDecl(tag_decl); |
1226 | return CompilerType(); |
1227 | } |
1228 | |
1229 | CompilerType TypeSystemClang::GetTypeForDecl(TagDecl *decl) { |
1230 | return GetType(getASTContext().getTagDeclType(decl)); |
1231 | } |
1232 | |
1233 | CompilerType TypeSystemClang::GetTypeForDecl(ObjCInterfaceDecl *decl) { |
1234 | return GetType(getASTContext().getObjCInterfaceType(decl)); |
1235 | } |
1236 | |
1237 | #pragma mark Structure, Unions, Classes |
1238 | |
1239 | void TypeSystemClang::SetOwningModule(clang::Decl *decl, |
1240 | OptionalClangModuleID owning_module) { |
1241 | if (!decl || !owning_module.HasValue()) |
1242 | return; |
1243 | |
1244 | decl->setFromASTFile(); |
1245 | decl->setOwningModuleID(owning_module.GetValue()); |
1246 | decl->setModuleOwnershipKind(clang::Decl::ModuleOwnershipKind::Visible); |
1247 | } |
1248 | |
1249 | OptionalClangModuleID |
1250 | TypeSystemClang::GetOrCreateClangModule(llvm::StringRef name, |
1251 | OptionalClangModuleID parent, |
1252 | bool is_framework, bool is_explicit) { |
1253 | // Get the external AST source which holds the modules. |
1254 | auto *ast_source = llvm::dyn_cast_or_null<ClangExternalASTSourceCallbacks>( |
1255 | getASTContext().getExternalSource()); |
1256 | assert(ast_source && "external ast source was lost")((void)0); |
1257 | if (!ast_source) |
1258 | return {}; |
1259 | |
1260 | // Lazily initialize the module map. |
1261 | if (!m_header_search_up) { |
1262 | auto HSOpts = std::make_shared<clang::HeaderSearchOptions>(); |
1263 | m_header_search_up = std::make_unique<clang::HeaderSearch>( |
1264 | HSOpts, *m_source_manager_up, *m_diagnostics_engine_up, |
1265 | *m_language_options_up, m_target_info_up.get()); |
1266 | m_module_map_up = std::make_unique<clang::ModuleMap>( |
1267 | *m_source_manager_up, *m_diagnostics_engine_up, *m_language_options_up, |
1268 | m_target_info_up.get(), *m_header_search_up); |
1269 | } |
1270 | |
1271 | // Get or create the module context. |
1272 | bool created; |
1273 | clang::Module *module; |
1274 | auto parent_desc = ast_source->getSourceDescriptor(parent.GetValue()); |
1275 | std::tie(module, created) = m_module_map_up->findOrCreateModule( |
1276 | name, parent_desc ? parent_desc->getModuleOrNull() : nullptr, |
1277 | is_framework, is_explicit); |
1278 | if (!created) |
1279 | return ast_source->GetIDForModule(module); |
1280 | |
1281 | return ast_source->RegisterModule(module); |
1282 | } |
1283 | |
1284 | CompilerType TypeSystemClang::CreateRecordType( |
1285 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
1286 | AccessType access_type, llvm::StringRef name, int kind, |
1287 | LanguageType language, ClangASTMetadata *metadata, bool exports_symbols) { |
1288 | ASTContext &ast = getASTContext(); |
1289 | |
1290 | if (decl_ctx == nullptr) |
1291 | decl_ctx = ast.getTranslationUnitDecl(); |
1292 | |
1293 | if (language == eLanguageTypeObjC || |
1294 | language == eLanguageTypeObjC_plus_plus) { |
1295 | bool isForwardDecl = true; |
1296 | bool isInternal = false; |
1297 | return CreateObjCClass(name, decl_ctx, owning_module, isForwardDecl, |
1298 | isInternal, metadata); |
1299 | } |
1300 | |
1301 | // NOTE: Eventually CXXRecordDecl will be merged back into RecordDecl and |
1302 | // we will need to update this code. I was told to currently always use the |
1303 | // CXXRecordDecl class since we often don't know from debug information if |
1304 | // something is struct or a class, so we default to always use the more |
1305 | // complete definition just in case. |
1306 | |
1307 | bool has_name = !name.empty(); |
1308 | CXXRecordDecl *decl = CXXRecordDecl::CreateDeserialized(ast, 0); |
1309 | decl->setTagKind(static_cast<TagDecl::TagKind>(kind)); |
1310 | decl->setDeclContext(decl_ctx); |
1311 | if (has_name) |
1312 | decl->setDeclName(&ast.Idents.get(name)); |
1313 | SetOwningModule(decl, owning_module); |
1314 | |
1315 | if (!has_name) { |
1316 | // In C++ a lambda is also represented as an unnamed class. This is |
1317 | // different from an *anonymous class* that the user wrote: |
1318 | // |
1319 | // struct A { |
1320 | // // anonymous class (GNU/MSVC extension) |
1321 | // struct { |
1322 | // int x; |
1323 | // }; |
1324 | // // unnamed class within a class |
1325 | // struct { |
1326 | // int y; |
1327 | // } B; |
1328 | // }; |
1329 | // |
1330 | // void f() { |
1331 | // // unammed class outside of a class |
1332 | // struct { |
1333 | // int z; |
1334 | // } C; |
1335 | // } |
1336 | // |
1337 | // Anonymous classes is a GNU/MSVC extension that clang supports. It |
1338 | // requires the anonymous class be embedded within a class. So the new |
1339 | // heuristic verifies this condition. |
1340 | if (isa<CXXRecordDecl>(decl_ctx) && exports_symbols) |
1341 | decl->setAnonymousStructOrUnion(true); |
1342 | } |
1343 | |
1344 | if (decl) { |
1345 | if (metadata) |
1346 | SetMetadata(decl, *metadata); |
1347 | |
1348 | if (access_type != eAccessNone) |
1349 | decl->setAccess(ConvertAccessTypeToAccessSpecifier(access_type)); |
1350 | |
1351 | if (decl_ctx) |
1352 | decl_ctx->addDecl(decl); |
1353 | |
1354 | return GetType(ast.getTagDeclType(decl)); |
1355 | } |
1356 | return CompilerType(); |
1357 | } |
1358 | |
1359 | namespace { |
1360 | /// Returns true iff the given TemplateArgument should be represented as an |
1361 | /// NonTypeTemplateParmDecl in the AST. |
1362 | bool IsValueParam(const clang::TemplateArgument &argument) { |
1363 | return argument.getKind() == TemplateArgument::Integral; |
1364 | } |
1365 | } |
1366 | |
1367 | static TemplateParameterList *CreateTemplateParameterList( |
1368 | ASTContext &ast, |
1369 | const TypeSystemClang::TemplateParameterInfos &template_param_infos, |
1370 | llvm::SmallVector<NamedDecl *, 8> &template_param_decls) { |
1371 | const bool parameter_pack = false; |
1372 | const bool is_typename = false; |
1373 | const unsigned depth = 0; |
1374 | const size_t num_template_params = template_param_infos.args.size(); |
1375 | DeclContext *const decl_context = |
1376 | ast.getTranslationUnitDecl(); // Is this the right decl context?, |
1377 | for (size_t i = 0; i < num_template_params; ++i) { |
1378 | const char *name = template_param_infos.names[i]; |
1379 | |
1380 | IdentifierInfo *identifier_info = nullptr; |
1381 | if (name && name[0]) |
1382 | identifier_info = &ast.Idents.get(name); |
1383 | if (IsValueParam(template_param_infos.args[i])) { |
1384 | QualType template_param_type = |
1385 | template_param_infos.args[i].getIntegralType(); |
1386 | template_param_decls.push_back(NonTypeTemplateParmDecl::Create( |
1387 | ast, decl_context, SourceLocation(), SourceLocation(), depth, i, |
1388 | identifier_info, template_param_type, parameter_pack, |
1389 | ast.getTrivialTypeSourceInfo(template_param_type))); |
1390 | } else { |
1391 | template_param_decls.push_back(TemplateTypeParmDecl::Create( |
1392 | ast, decl_context, SourceLocation(), SourceLocation(), depth, i, |
1393 | identifier_info, is_typename, parameter_pack)); |
1394 | } |
1395 | } |
1396 | |
1397 | if (template_param_infos.packed_args) { |
1398 | IdentifierInfo *identifier_info = nullptr; |
1399 | if (template_param_infos.pack_name && template_param_infos.pack_name[0]) |
1400 | identifier_info = &ast.Idents.get(template_param_infos.pack_name); |
1401 | const bool parameter_pack_true = true; |
1402 | |
1403 | if (!template_param_infos.packed_args->args.empty() && |
1404 | IsValueParam(template_param_infos.packed_args->args[0])) { |
1405 | QualType template_param_type = |
1406 | template_param_infos.packed_args->args[0].getIntegralType(); |
1407 | template_param_decls.push_back(NonTypeTemplateParmDecl::Create( |
1408 | ast, decl_context, SourceLocation(), SourceLocation(), depth, |
1409 | num_template_params, identifier_info, template_param_type, |
1410 | parameter_pack_true, |
1411 | ast.getTrivialTypeSourceInfo(template_param_type))); |
1412 | } else { |
1413 | template_param_decls.push_back(TemplateTypeParmDecl::Create( |
1414 | ast, decl_context, SourceLocation(), SourceLocation(), depth, |
1415 | num_template_params, identifier_info, is_typename, |
1416 | parameter_pack_true)); |
1417 | } |
1418 | } |
1419 | clang::Expr *const requires_clause = nullptr; // TODO: Concepts |
1420 | TemplateParameterList *template_param_list = TemplateParameterList::Create( |
1421 | ast, SourceLocation(), SourceLocation(), template_param_decls, |
1422 | SourceLocation(), requires_clause); |
1423 | return template_param_list; |
1424 | } |
1425 | |
1426 | clang::FunctionTemplateDecl *TypeSystemClang::CreateFunctionTemplateDecl( |
1427 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
1428 | clang::FunctionDecl *func_decl, |
1429 | const TemplateParameterInfos &template_param_infos) { |
1430 | // /// Create a function template node. |
1431 | ASTContext &ast = getASTContext(); |
1432 | |
1433 | llvm::SmallVector<NamedDecl *, 8> template_param_decls; |
1434 | TemplateParameterList *template_param_list = CreateTemplateParameterList( |
1435 | ast, template_param_infos, template_param_decls); |
1436 | FunctionTemplateDecl *func_tmpl_decl = |
1437 | FunctionTemplateDecl::CreateDeserialized(ast, 0); |
1438 | func_tmpl_decl->setDeclContext(decl_ctx); |
1439 | func_tmpl_decl->setLocation(func_decl->getLocation()); |
1440 | func_tmpl_decl->setDeclName(func_decl->getDeclName()); |
1441 | func_tmpl_decl->init(func_decl, template_param_list); |
1442 | SetOwningModule(func_tmpl_decl, owning_module); |
1443 | |
1444 | for (size_t i = 0, template_param_decl_count = template_param_decls.size(); |
1445 | i < template_param_decl_count; ++i) { |
1446 | // TODO: verify which decl context we should put template_param_decls into.. |
1447 | template_param_decls[i]->setDeclContext(func_decl); |
1448 | } |
1449 | // Function templates inside a record need to have an access specifier. |
1450 | // It doesn't matter what access specifier we give the template as LLDB |
1451 | // anyway allows accessing everything inside a record. |
1452 | if (decl_ctx->isRecord()) |
1453 | func_tmpl_decl->setAccess(clang::AccessSpecifier::AS_public); |
1454 | |
1455 | return func_tmpl_decl; |
1456 | } |
1457 | |
1458 | void TypeSystemClang::CreateFunctionTemplateSpecializationInfo( |
1459 | FunctionDecl *func_decl, clang::FunctionTemplateDecl *func_tmpl_decl, |
1460 | const TemplateParameterInfos &infos) { |
1461 | TemplateArgumentList *template_args_ptr = |
1462 | TemplateArgumentList::CreateCopy(func_decl->getASTContext(), infos.args); |
1463 | |
1464 | func_decl->setFunctionTemplateSpecialization(func_tmpl_decl, |
1465 | template_args_ptr, nullptr); |
1466 | } |
1467 | |
1468 | /// Returns true if the given template parameter can represent the given value. |
1469 | /// For example, `typename T` can represent `int` but not integral values such |
1470 | /// as `int I = 3`. |
1471 | static bool TemplateParameterAllowsValue(NamedDecl *param, |
1472 | const TemplateArgument &value) { |
1473 | if (auto *type_param = llvm::dyn_cast<TemplateTypeParmDecl>(param)) { |
1474 | // Compare the argument kind, i.e. ensure that <typename> != <int>. |
1475 | if (value.getKind() != TemplateArgument::Type) |
1476 | return false; |
1477 | } else if (auto *type_param = |
1478 | llvm::dyn_cast<NonTypeTemplateParmDecl>(param)) { |
1479 | // Compare the argument kind, i.e. ensure that <typename> != <int>. |
1480 | if (!IsValueParam(value)) |
1481 | return false; |
1482 | // Compare the integral type, i.e. ensure that <int> != <char>. |
1483 | if (type_param->getType() != value.getIntegralType()) |
1484 | return false; |
1485 | } else { |
1486 | // There is no way to create other parameter decls at the moment, so we |
1487 | // can't reach this case during normal LLDB usage. Log that this happened |
1488 | // and assert. |
1489 | Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS(1u << 8)); |
1490 | LLDB_LOG(log,do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/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) |
1491 | "Don't know how to compare template parameter to passed"do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/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) |
1492 | " value. Decl kind of parameter is: {0}",do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/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) |
1493 | param->getDeclKindName())do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/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); |
1494 | 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__, "/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 1494); |
1495 | // In release builds just fall back to marking the parameter as not |
1496 | // accepting the value so that we don't try to fit an instantiation to a |
1497 | // template that doesn't fit. E.g., avoid that `S<1>` is being connected to |
1498 | // `template<typename T> struct S;`. |
1499 | return false; |
1500 | } |
1501 | return true; |
1502 | } |
1503 | |
1504 | /// Returns true if the given class template declaration could produce an |
1505 | /// instantiation with the specified values. |
1506 | /// For example, `<typename T>` allows the arguments `float`, but not for |
1507 | /// example `bool, float` or `3` (as an integer parameter value). |
1508 | static bool ClassTemplateAllowsToInstantiationArgs( |
1509 | ClassTemplateDecl *class_template_decl, |
1510 | const TypeSystemClang::TemplateParameterInfos &instantiation_values) { |
1511 | |
1512 | TemplateParameterList ¶ms = *class_template_decl->getTemplateParameters(); |
1513 | |
1514 | // Save some work by iterating only once over the found parameters and |
1515 | // calculate the information related to parameter packs. |
1516 | |
1517 | // Contains the first pack parameter (or non if there are none). |
1518 | llvm::Optional<NamedDecl *> pack_parameter; |
1519 | // Contains the number of non-pack parameters. |
1520 | size_t non_pack_params = params.size(); |
1521 | for (size_t i = 0; i < params.size(); ++i) { |
1522 | NamedDecl *param = params.getParam(i); |
1523 | if (param->isParameterPack()) { |
1524 | pack_parameter = param; |
1525 | non_pack_params = i; |
1526 | break; |
1527 | } |
1528 | } |
1529 | |
1530 | // The found template needs to have compatible non-pack template arguments. |
1531 | // E.g., ensure that <typename, typename> != <typename>. |
1532 | // The pack parameters are compared later. |
1533 | if (non_pack_params != instantiation_values.args.size()) |
1534 | return false; |
1535 | |
1536 | // Ensure that <typename...> != <typename>. |
1537 | if (pack_parameter.hasValue() != instantiation_values.hasParameterPack()) |
1538 | return false; |
1539 | |
1540 | // Compare the first pack parameter that was found with the first pack |
1541 | // parameter value. The special case of having an empty parameter pack value |
1542 | // always fits to a pack parameter. |
1543 | // E.g., ensure that <int...> != <typename...>. |
1544 | if (pack_parameter && !instantiation_values.packed_args->args.empty() && |
1545 | !TemplateParameterAllowsValue( |
1546 | *pack_parameter, instantiation_values.packed_args->args.front())) |
1547 | return false; |
1548 | |
1549 | // Compare all the non-pack parameters now. |
1550 | // E.g., ensure that <int> != <long>. |
1551 | for (const auto pair : llvm::zip_first(instantiation_values.args, params)) { |
1552 | const TemplateArgument &passed_arg = std::get<0>(pair); |
1553 | NamedDecl *found_param = std::get<1>(pair); |
1554 | if (!TemplateParameterAllowsValue(found_param, passed_arg)) |
1555 | return false; |
1556 | } |
1557 | |
1558 | return class_template_decl; |
1559 | } |
1560 | |
1561 | ClassTemplateDecl *TypeSystemClang::CreateClassTemplateDecl( |
1562 | DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
1563 | lldb::AccessType access_type, const char *class_name, int kind, |
1564 | const TemplateParameterInfos &template_param_infos) { |
1565 | ASTContext &ast = getASTContext(); |
1566 | |
1567 | ClassTemplateDecl *class_template_decl = nullptr; |
1568 | if (decl_ctx == nullptr) |
1569 | decl_ctx = ast.getTranslationUnitDecl(); |
1570 | |
1571 | IdentifierInfo &identifier_info = ast.Idents.get(class_name); |
1572 | DeclarationName decl_name(&identifier_info); |
1573 | |
1574 | // Search the AST for an existing ClassTemplateDecl that could be reused. |
1575 | clang::DeclContext::lookup_result result = decl_ctx->lookup(decl_name); |
1576 | for (NamedDecl *decl : result) { |
1577 | class_template_decl = dyn_cast<clang::ClassTemplateDecl>(decl); |
1578 | if (!class_template_decl) |
1579 | continue; |
1580 | // The class template has to be able to represents the instantiation |
1581 | // values we received. Without this we might end up putting an instantiation |
1582 | // with arguments such as <int, int> to a template such as: |
1583 | // template<typename T> struct S; |
1584 | // Connecting the instantiation to an incompatible template could cause |
1585 | // problems later on. |
1586 | if (!ClassTemplateAllowsToInstantiationArgs(class_template_decl, |
1587 | template_param_infos)) |
1588 | continue; |
1589 | return class_template_decl; |
1590 | } |
1591 | |
1592 | llvm::SmallVector<NamedDecl *, 8> template_param_decls; |
1593 | |
1594 | TemplateParameterList *template_param_list = CreateTemplateParameterList( |
1595 | ast, template_param_infos, template_param_decls); |
1596 | |
1597 | CXXRecordDecl *template_cxx_decl = CXXRecordDecl::CreateDeserialized(ast, 0); |
1598 | template_cxx_decl->setTagKind(static_cast<TagDecl::TagKind>(kind)); |
1599 | // What decl context do we use here? TU? The actual decl context? |
1600 | template_cxx_decl->setDeclContext(decl_ctx); |
1601 | template_cxx_decl->setDeclName(decl_name); |
1602 | SetOwningModule(template_cxx_decl, owning_module); |
1603 | |
1604 | for (size_t i = 0, template_param_decl_count = template_param_decls.size(); |
1605 | i < template_param_decl_count; ++i) { |
1606 | template_param_decls[i]->setDeclContext(template_cxx_decl); |
1607 | } |
1608 | |
1609 | // With templated classes, we say that a class is templated with |
1610 | // specializations, but that the bare class has no functions. |
1611 | // template_cxx_decl->startDefinition(); |
1612 | // template_cxx_decl->completeDefinition(); |
1613 | |
1614 | class_template_decl = ClassTemplateDecl::CreateDeserialized(ast, 0); |
1615 | // What decl context do we use here? TU? The actual decl context? |
1616 | class_template_decl->setDeclContext(decl_ctx); |
1617 | class_template_decl->setDeclName(decl_name); |
1618 | class_template_decl->init(template_cxx_decl, template_param_list); |
1619 | template_cxx_decl->setDescribedClassTemplate(class_template_decl); |
1620 | SetOwningModule(class_template_decl, owning_module); |
1621 | |
1622 | if (class_template_decl) { |
1623 | if (access_type != eAccessNone) |
1624 | class_template_decl->setAccess( |
1625 | ConvertAccessTypeToAccessSpecifier(access_type)); |
1626 | |
1627 | decl_ctx->addDecl(class_template_decl); |
1628 | |
1629 | VerifyDecl(class_template_decl); |
1630 | } |
1631 | |
1632 | return class_template_decl; |
1633 | } |
1634 | |
1635 | TemplateTemplateParmDecl * |
1636 | TypeSystemClang::CreateTemplateTemplateParmDecl(const char *template_name) { |
1637 | ASTContext &ast = getASTContext(); |
1638 | |
1639 | auto *decl_ctx = ast.getTranslationUnitDecl(); |
1640 | |
1641 | IdentifierInfo &identifier_info = ast.Idents.get(template_name); |
1642 | llvm::SmallVector<NamedDecl *, 8> template_param_decls; |
1643 | |
1644 | TypeSystemClang::TemplateParameterInfos template_param_infos; |
1645 | TemplateParameterList *template_param_list = CreateTemplateParameterList( |
1646 | ast, template_param_infos, template_param_decls); |
1647 | |
1648 | // LLDB needs to create those decls only to be able to display a |
1649 | // type that includes a template template argument. Only the name matters for |
1650 | // this purpose, so we use dummy values for the other characteristics of the |
1651 | // type. |
1652 | return TemplateTemplateParmDecl::Create( |
1653 | ast, decl_ctx, SourceLocation(), |
1654 | /*Depth*/ 0, /*Position*/ 0, |
1655 | /*IsParameterPack*/ false, &identifier_info, template_param_list); |
1656 | } |
1657 | |
1658 | ClassTemplateSpecializationDecl * |
1659 | TypeSystemClang::CreateClassTemplateSpecializationDecl( |
1660 | DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
1661 | ClassTemplateDecl *class_template_decl, int kind, |
1662 | const TemplateParameterInfos &template_param_infos) { |
1663 | ASTContext &ast = getASTContext(); |
1664 | llvm::SmallVector<clang::TemplateArgument, 2> args( |
1665 | template_param_infos.args.size() + |
1666 | (template_param_infos.packed_args ? 1 : 0)); |
1667 | std::copy(template_param_infos.args.begin(), template_param_infos.args.end(), |
1668 | args.begin()); |
1669 | if (template_param_infos.packed_args) { |
1670 | args[args.size() - 1] = TemplateArgument::CreatePackCopy( |
1671 | ast, template_param_infos.packed_args->args); |
1672 | } |
1673 | ClassTemplateSpecializationDecl *class_template_specialization_decl = |
1674 | ClassTemplateSpecializationDecl::CreateDeserialized(ast, 0); |
1675 | class_template_specialization_decl->setTagKind( |
1676 | static_cast<TagDecl::TagKind>(kind)); |
1677 | class_template_specialization_decl->setDeclContext(decl_ctx); |
1678 | class_template_specialization_decl->setInstantiationOf(class_template_decl); |
1679 | class_template_specialization_decl->setTemplateArgs( |
1680 | TemplateArgumentList::CreateCopy(ast, args)); |
1681 | ast.getTypeDeclType(class_template_specialization_decl, nullptr); |
1682 | class_template_specialization_decl->setDeclName( |
1683 | class_template_decl->getDeclName()); |
1684 | SetOwningModule(class_template_specialization_decl, owning_module); |
1685 | decl_ctx->addDecl(class_template_specialization_decl); |
1686 | |
1687 | class_template_specialization_decl->setSpecializationKind( |
1688 | TSK_ExplicitSpecialization); |
1689 | |
1690 | return class_template_specialization_decl; |
1691 | } |
1692 | |
1693 | CompilerType TypeSystemClang::CreateClassTemplateSpecializationType( |
1694 | ClassTemplateSpecializationDecl *class_template_specialization_decl) { |
1695 | if (class_template_specialization_decl) { |
1696 | ASTContext &ast = getASTContext(); |
1697 | return GetType(ast.getTagDeclType(class_template_specialization_decl)); |
1698 | } |
1699 | return CompilerType(); |
1700 | } |
1701 | |
1702 | static inline bool check_op_param(bool is_method, |
1703 | clang::OverloadedOperatorKind op_kind, |
1704 | bool unary, bool binary, |
1705 | uint32_t num_params) { |
1706 | // Special-case call since it can take any number of operands |
1707 | if (op_kind == OO_Call) |
1708 | return true; |
1709 | |
1710 | // The parameter count doesn't include "this" |
1711 | if (is_method) |
1712 | ++num_params; |
1713 | if (num_params == 1) |
1714 | return unary; |
1715 | if (num_params == 2) |
1716 | return binary; |
1717 | else |
1718 | return false; |
1719 | } |
1720 | |
1721 | bool TypeSystemClang::CheckOverloadedOperatorKindParameterCount( |
1722 | bool is_method, clang::OverloadedOperatorKind op_kind, |
1723 | uint32_t num_params) { |
1724 | switch (op_kind) { |
1725 | default: |
1726 | break; |
1727 | // C++ standard allows any number of arguments to new/delete |
1728 | case OO_New: |
1729 | case OO_Array_New: |
1730 | case OO_Delete: |
1731 | case OO_Array_Delete: |
1732 | return true; |
1733 | } |
1734 | |
1735 | #define OVERLOADED_OPERATOR(Name, Spelling, Token, Unary, Binary, MemberOnly) \ |
1736 | case OO_##Name: \ |
1737 | return check_op_param(is_method, op_kind, Unary, Binary, num_params); |
1738 | switch (op_kind) { |
1739 | #include "clang/Basic/OperatorKinds.def" |
1740 | default: |
1741 | break; |
1742 | } |
1743 | return false; |
1744 | } |
1745 | |
1746 | clang::AccessSpecifier |
1747 | TypeSystemClang::UnifyAccessSpecifiers(clang::AccessSpecifier lhs, |
1748 | clang::AccessSpecifier rhs) { |
1749 | // Make the access equal to the stricter of the field and the nested field's |
1750 | // access |
1751 | if (lhs == AS_none || rhs == AS_none) |
1752 | return AS_none; |
1753 | if (lhs == AS_private || rhs == AS_private) |
1754 | return AS_private; |
1755 | if (lhs == AS_protected || rhs == AS_protected) |
1756 | return AS_protected; |
1757 | return AS_public; |
1758 | } |
1759 | |
1760 | bool TypeSystemClang::FieldIsBitfield(FieldDecl *field, |
1761 | uint32_t &bitfield_bit_size) { |
1762 | ASTContext &ast = getASTContext(); |
1763 | if (field == nullptr) |
1764 | return false; |
1765 | |
1766 | if (field->isBitField()) { |
1767 | Expr *bit_width_expr = field->getBitWidth(); |
1768 | if (bit_width_expr) { |
1769 | if (Optional<llvm::APSInt> bit_width_apsint = |
1770 | bit_width_expr->getIntegerConstantExpr(ast)) { |
1771 | bitfield_bit_size = bit_width_apsint->getLimitedValue(UINT32_MAX0xffffffffU); |
1772 | return true; |
1773 | } |
1774 | } |
1775 | } |
1776 | return false; |
1777 | } |
1778 | |
1779 | bool TypeSystemClang::RecordHasFields(const RecordDecl *record_decl) { |
1780 | if (record_decl == nullptr) |
1781 | return false; |
1782 | |
1783 | if (!record_decl->field_empty()) |
1784 | return true; |
1785 | |
1786 | // No fields, lets check this is a CXX record and check the base classes |
1787 | const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); |
1788 | if (cxx_record_decl) { |
1789 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
1790 | for (base_class = cxx_record_decl->bases_begin(), |
1791 | base_class_end = cxx_record_decl->bases_end(); |
1792 | base_class != base_class_end; ++base_class) { |
1793 | const CXXRecordDecl *base_class_decl = cast<CXXRecordDecl>( |
1794 | base_class->getType()->getAs<RecordType>()->getDecl()); |
1795 | if (RecordHasFields(base_class_decl)) |
1796 | return true; |
1797 | } |
1798 | } |
1799 | return false; |
1800 | } |
1801 | |
1802 | #pragma mark Objective-C Classes |
1803 | |
1804 | CompilerType TypeSystemClang::CreateObjCClass( |
1805 | llvm::StringRef name, clang::DeclContext *decl_ctx, |
1806 | OptionalClangModuleID owning_module, bool isForwardDecl, bool isInternal, |
1807 | ClangASTMetadata *metadata) { |
1808 | ASTContext &ast = getASTContext(); |
1809 | assert(!name.empty())((void)0); |
1810 | if (!decl_ctx) |
1811 | decl_ctx = ast.getTranslationUnitDecl(); |
1812 | |
1813 | ObjCInterfaceDecl *decl = ObjCInterfaceDecl::CreateDeserialized(ast, 0); |
1814 | decl->setDeclContext(decl_ctx); |
1815 | decl->setDeclName(&ast.Idents.get(name)); |
1816 | /*isForwardDecl,*/ |
1817 | decl->setImplicit(isInternal); |
1818 | SetOwningModule(decl, owning_module); |
1819 | |
1820 | if (decl && metadata) |
1821 | SetMetadata(decl, *metadata); |
1822 | |
1823 | return GetType(ast.getObjCInterfaceType(decl)); |
1824 | } |
1825 | |
1826 | static inline bool BaseSpecifierIsEmpty(const CXXBaseSpecifier *b) { |
1827 | return !TypeSystemClang::RecordHasFields(b->getType()->getAsCXXRecordDecl()); |
1828 | } |
1829 | |
1830 | uint32_t |
1831 | TypeSystemClang::GetNumBaseClasses(const CXXRecordDecl *cxx_record_decl, |
1832 | bool omit_empty_base_classes) { |
1833 | uint32_t num_bases = 0; |
1834 | if (cxx_record_decl) { |
1835 | if (omit_empty_base_classes) { |
1836 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
1837 | for (base_class = cxx_record_decl->bases_begin(), |
1838 | base_class_end = cxx_record_decl->bases_end(); |
1839 | base_class != base_class_end; ++base_class) { |
1840 | // Skip empty base classes |
1841 | if (BaseSpecifierIsEmpty(base_class)) |
1842 | continue; |
1843 | ++num_bases; |
1844 | } |
1845 | } else |
1846 | num_bases = cxx_record_decl->getNumBases(); |
1847 | } |
1848 | return num_bases; |
1849 | } |
1850 | |
1851 | #pragma mark Namespace Declarations |
1852 | |
1853 | NamespaceDecl *TypeSystemClang::GetUniqueNamespaceDeclaration( |
1854 | const char *name, clang::DeclContext *decl_ctx, |
1855 | OptionalClangModuleID owning_module, bool is_inline) { |
1856 | NamespaceDecl *namespace_decl = nullptr; |
1857 | ASTContext &ast = getASTContext(); |
1858 | TranslationUnitDecl *translation_unit_decl = ast.getTranslationUnitDecl(); |
1859 | if (!decl_ctx) |
1860 | decl_ctx = translation_unit_decl; |
1861 | |
1862 | if (name) { |
1863 | IdentifierInfo &identifier_info = ast.Idents.get(name); |
1864 | DeclarationName decl_name(&identifier_info); |
1865 | clang::DeclContext::lookup_result result = decl_ctx->lookup(decl_name); |
1866 | for (NamedDecl *decl : result) { |
1867 | namespace_decl = dyn_cast<clang::NamespaceDecl>(decl); |
1868 | if (namespace_decl) |
1869 | return namespace_decl; |
1870 | } |
1871 | |
1872 | namespace_decl = |
1873 | NamespaceDecl::Create(ast, decl_ctx, is_inline, SourceLocation(), |
1874 | SourceLocation(), &identifier_info, nullptr); |
1875 | |
1876 | decl_ctx->addDecl(namespace_decl); |
1877 | } else { |
1878 | if (decl_ctx == translation_unit_decl) { |
1879 | namespace_decl = translation_unit_decl->getAnonymousNamespace(); |
1880 | if (namespace_decl) |
1881 | return namespace_decl; |
1882 | |
1883 | namespace_decl = |
1884 | NamespaceDecl::Create(ast, decl_ctx, false, SourceLocation(), |
1885 | SourceLocation(), nullptr, nullptr); |
1886 | translation_unit_decl->setAnonymousNamespace(namespace_decl); |
1887 | translation_unit_decl->addDecl(namespace_decl); |
1888 | assert(namespace_decl == translation_unit_decl->getAnonymousNamespace())((void)0); |
1889 | } else { |
1890 | NamespaceDecl *parent_namespace_decl = cast<NamespaceDecl>(decl_ctx); |
1891 | if (parent_namespace_decl) { |
1892 | namespace_decl = parent_namespace_decl->getAnonymousNamespace(); |
1893 | if (namespace_decl) |
1894 | return namespace_decl; |
1895 | namespace_decl = |
1896 | NamespaceDecl::Create(ast, decl_ctx, false, SourceLocation(), |
1897 | SourceLocation(), nullptr, nullptr); |
1898 | parent_namespace_decl->setAnonymousNamespace(namespace_decl); |
1899 | parent_namespace_decl->addDecl(namespace_decl); |
1900 | assert(namespace_decl ==((void)0) |
1901 | parent_namespace_decl->getAnonymousNamespace())((void)0); |
1902 | } else { |
1903 | assert(false && "GetUniqueNamespaceDeclaration called with no name and "((void)0) |
1904 | "no namespace as decl_ctx")((void)0); |
1905 | } |
1906 | } |
1907 | } |
1908 | // Note: namespaces can span multiple modules, so perhaps this isn't a good |
1909 | // idea. |
1910 | SetOwningModule(namespace_decl, owning_module); |
1911 | |
1912 | VerifyDecl(namespace_decl); |
1913 | return namespace_decl; |
1914 | } |
1915 | |
1916 | clang::BlockDecl * |
1917 | TypeSystemClang::CreateBlockDeclaration(clang::DeclContext *ctx, |
1918 | OptionalClangModuleID owning_module) { |
1919 | if (ctx) { |
1920 | clang::BlockDecl *decl = |
1921 | clang::BlockDecl::CreateDeserialized(getASTContext(), 0); |
1922 | decl->setDeclContext(ctx); |
1923 | ctx->addDecl(decl); |
1924 | SetOwningModule(decl, owning_module); |
1925 | return decl; |
1926 | } |
1927 | return nullptr; |
1928 | } |
1929 | |
1930 | clang::DeclContext *FindLCABetweenDecls(clang::DeclContext *left, |
1931 | clang::DeclContext *right, |
1932 | clang::DeclContext *root) { |
1933 | if (root == nullptr) |
1934 | return nullptr; |
1935 | |
1936 | std::set<clang::DeclContext *> path_left; |
1937 | for (clang::DeclContext *d = left; d != nullptr; d = d->getParent()) |
1938 | path_left.insert(d); |
1939 | |
1940 | for (clang::DeclContext *d = right; d != nullptr; d = d->getParent()) |
1941 | if (path_left.find(d) != path_left.end()) |
1942 | return d; |
1943 | |
1944 | return nullptr; |
1945 | } |
1946 | |
1947 | clang::UsingDirectiveDecl *TypeSystemClang::CreateUsingDirectiveDeclaration( |
1948 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
1949 | clang::NamespaceDecl *ns_decl) { |
1950 | if (decl_ctx && ns_decl) { |
1951 | auto *translation_unit = getASTContext().getTranslationUnitDecl(); |
1952 | clang::UsingDirectiveDecl *using_decl = clang::UsingDirectiveDecl::Create( |
1953 | getASTContext(), decl_ctx, clang::SourceLocation(), |
1954 | clang::SourceLocation(), clang::NestedNameSpecifierLoc(), |
1955 | clang::SourceLocation(), ns_decl, |
1956 | FindLCABetweenDecls(decl_ctx, ns_decl, |
1957 | translation_unit)); |
1958 | decl_ctx->addDecl(using_decl); |
1959 | SetOwningModule(using_decl, owning_module); |
1960 | return using_decl; |
1961 | } |
1962 | return nullptr; |
1963 | } |
1964 | |
1965 | clang::UsingDecl * |
1966 | TypeSystemClang::CreateUsingDeclaration(clang::DeclContext *current_decl_ctx, |
1967 | OptionalClangModuleID owning_module, |
1968 | clang::NamedDecl *target) { |
1969 | if (current_decl_ctx && target) { |
1970 | clang::UsingDecl *using_decl = clang::UsingDecl::Create( |
1971 | getASTContext(), current_decl_ctx, clang::SourceLocation(), |
1972 | clang::NestedNameSpecifierLoc(), clang::DeclarationNameInfo(), false); |
1973 | SetOwningModule(using_decl, owning_module); |
1974 | clang::UsingShadowDecl *shadow_decl = clang::UsingShadowDecl::Create( |
1975 | getASTContext(), current_decl_ctx, clang::SourceLocation(), |
1976 | target->getDeclName(), using_decl, target); |
1977 | SetOwningModule(shadow_decl, owning_module); |
1978 | using_decl->addShadowDecl(shadow_decl); |
1979 | current_decl_ctx->addDecl(using_decl); |
1980 | return using_decl; |
1981 | } |
1982 | return nullptr; |
1983 | } |
1984 | |
1985 | clang::VarDecl *TypeSystemClang::CreateVariableDeclaration( |
1986 | clang::DeclContext *decl_context, OptionalClangModuleID owning_module, |
1987 | const char *name, clang::QualType type) { |
1988 | if (decl_context) { |
1989 | clang::VarDecl *var_decl = |
1990 | clang::VarDecl::CreateDeserialized(getASTContext(), 0); |
1991 | var_decl->setDeclContext(decl_context); |
1992 | if (name && name[0]) |
1993 | var_decl->setDeclName(&getASTContext().Idents.getOwn(name)); |
1994 | var_decl->setType(type); |
1995 | SetOwningModule(var_decl, owning_module); |
1996 | var_decl->setAccess(clang::AS_public); |
1997 | decl_context->addDecl(var_decl); |
1998 | return var_decl; |
1999 | } |
2000 | return nullptr; |
2001 | } |
2002 | |
2003 | lldb::opaque_compiler_type_t |
2004 | TypeSystemClang::GetOpaqueCompilerType(clang::ASTContext *ast, |
2005 | lldb::BasicType basic_type) { |
2006 | switch (basic_type) { |
2007 | case eBasicTypeVoid: |
2008 | return ast->VoidTy.getAsOpaquePtr(); |
2009 | case eBasicTypeChar: |
2010 | return ast->CharTy.getAsOpaquePtr(); |
2011 | case eBasicTypeSignedChar: |
2012 | return ast->SignedCharTy.getAsOpaquePtr(); |
2013 | case eBasicTypeUnsignedChar: |
2014 | return ast->UnsignedCharTy.getAsOpaquePtr(); |
2015 | case eBasicTypeWChar: |
2016 | return ast->getWCharType().getAsOpaquePtr(); |
2017 | case eBasicTypeSignedWChar: |
2018 | return ast->getSignedWCharType().getAsOpaquePtr(); |
2019 | case eBasicTypeUnsignedWChar: |
2020 | return ast->getUnsignedWCharType().getAsOpaquePtr(); |
2021 | case eBasicTypeChar16: |
2022 | return ast->Char16Ty.getAsOpaquePtr(); |
2023 | case eBasicTypeChar32: |
2024 | return ast->Char32Ty.getAsOpaquePtr(); |
2025 | case eBasicTypeShort: |
2026 | return ast->ShortTy.getAsOpaquePtr(); |
2027 | case eBasicTypeUnsignedShort: |
2028 | return ast->UnsignedShortTy.getAsOpaquePtr(); |
2029 | case eBasicTypeInt: |
2030 | return ast->IntTy.getAsOpaquePtr(); |
2031 | case eBasicTypeUnsignedInt: |
2032 | return ast->UnsignedIntTy.getAsOpaquePtr(); |
2033 | case eBasicTypeLong: |
2034 | return ast->LongTy.getAsOpaquePtr(); |
2035 | case eBasicTypeUnsignedLong: |
2036 | return ast->UnsignedLongTy.getAsOpaquePtr(); |
2037 | case eBasicTypeLongLong: |
2038 | return ast->LongLongTy.getAsOpaquePtr(); |
2039 | case eBasicTypeUnsignedLongLong: |
2040 | return ast->UnsignedLongLongTy.getAsOpaquePtr(); |
2041 | case eBasicTypeInt128: |
2042 | return ast->Int128Ty.getAsOpaquePtr(); |
2043 | case eBasicTypeUnsignedInt128: |
2044 | return ast->UnsignedInt128Ty.getAsOpaquePtr(); |
2045 | case eBasicTypeBool: |
2046 | return ast->BoolTy.getAsOpaquePtr(); |
2047 | case eBasicTypeHalf: |
2048 | return ast->HalfTy.getAsOpaquePtr(); |
2049 | case eBasicTypeFloat: |
2050 | return ast->FloatTy.getAsOpaquePtr(); |
2051 | case eBasicTypeDouble: |
2052 | return ast->DoubleTy.getAsOpaquePtr(); |
2053 | case eBasicTypeLongDouble: |
2054 | return ast->LongDoubleTy.getAsOpaquePtr(); |
2055 | case eBasicTypeFloatComplex: |
2056 | return ast->FloatComplexTy.getAsOpaquePtr(); |
2057 | case eBasicTypeDoubleComplex: |
2058 | return ast->DoubleComplexTy.getAsOpaquePtr(); |
2059 | case eBasicTypeLongDoubleComplex: |
2060 | return ast->LongDoubleComplexTy.getAsOpaquePtr(); |
2061 | case eBasicTypeObjCID: |
2062 | return ast->getObjCIdType().getAsOpaquePtr(); |
2063 | case eBasicTypeObjCClass: |
2064 | return ast->getObjCClassType().getAsOpaquePtr(); |
2065 | case eBasicTypeObjCSel: |
2066 | return ast->getObjCSelType().getAsOpaquePtr(); |
2067 | case eBasicTypeNullPtr: |
2068 | return ast->NullPtrTy.getAsOpaquePtr(); |
2069 | default: |
2070 | return nullptr; |
2071 | } |
2072 | } |
2073 | |
2074 | #pragma mark Function Types |
2075 | |
2076 | clang::DeclarationName |
2077 | TypeSystemClang::GetDeclarationName(llvm::StringRef name, |
2078 | const CompilerType &function_clang_type) { |
2079 | clang::OverloadedOperatorKind op_kind = clang::NUM_OVERLOADED_OPERATORS; |
2080 | if (!IsOperator(name, op_kind) || op_kind == clang::NUM_OVERLOADED_OPERATORS) |
2081 | return DeclarationName(&getASTContext().Idents.get( |
2082 | name)); // Not operator, but a regular function. |
2083 | |
2084 | // Check the number of operator parameters. Sometimes we have seen bad DWARF |
2085 | // that doesn't correctly describe operators and if we try to create a method |
2086 | // and add it to the class, clang will assert and crash, so we need to make |
2087 | // sure things are acceptable. |
2088 | clang::QualType method_qual_type(ClangUtil::GetQualType(function_clang_type)); |
2089 | const clang::FunctionProtoType *function_type = |
2090 | llvm::dyn_cast<clang::FunctionProtoType>(method_qual_type.getTypePtr()); |
2091 | if (function_type == nullptr) |
2092 | return clang::DeclarationName(); |
2093 | |
2094 | const bool is_method = false; |
2095 | const unsigned int num_params = function_type->getNumParams(); |
2096 | if (!TypeSystemClang::CheckOverloadedOperatorKindParameterCount( |
2097 | is_method, op_kind, num_params)) |
2098 | return clang::DeclarationName(); |
2099 | |
2100 | return getASTContext().DeclarationNames.getCXXOperatorName(op_kind); |
2101 | } |
2102 | |
2103 | PrintingPolicy TypeSystemClang::GetTypePrintingPolicy() { |
2104 | clang::PrintingPolicy printing_policy(getASTContext().getPrintingPolicy()); |
2105 | printing_policy.SuppressTagKeyword = true; |
2106 | // Inline namespaces are important for some type formatters (e.g., libc++ |
2107 | // and libstdc++ are differentiated by their inline namespaces). |
2108 | printing_policy.SuppressInlineNamespace = false; |
2109 | printing_policy.SuppressUnwrittenScope = false; |
2110 | // Default arguments are also always important for type formatters. Otherwise |
2111 | // we would need to always specify two type names for the setups where we do |
2112 | // know the default arguments and where we don't know default arguments. |
2113 | // |
2114 | // For example, without this we would need to have formatters for both: |
2115 | // std::basic_string<char> |
2116 | // and |
2117 | // std::basic_string<char, std::char_traits<char>, std::allocator<char> > |
2118 | // to support setups where LLDB was able to reconstruct default arguments |
2119 | // (and we then would have suppressed them from the type name) and also setups |
2120 | // where LLDB wasn't able to reconstruct the default arguments. |
2121 | printing_policy.SuppressDefaultTemplateArgs = false; |
2122 | return printing_policy; |
2123 | } |
2124 | |
2125 | std::string TypeSystemClang::GetTypeNameForDecl(const NamedDecl *named_decl) { |
2126 | clang::PrintingPolicy printing_policy = GetTypePrintingPolicy(); |
2127 | std::string result; |
2128 | llvm::raw_string_ostream os(result); |
2129 | named_decl->printQualifiedName(os, printing_policy); |
2130 | return result; |
2131 | } |
2132 | |
2133 | FunctionDecl *TypeSystemClang::CreateFunctionDeclaration( |
2134 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
2135 | llvm::StringRef name, const CompilerType &function_clang_type, |
2136 | clang::StorageClass storage, bool is_inline) { |
2137 | FunctionDecl *func_decl = nullptr; |
2138 | ASTContext &ast = getASTContext(); |
2139 | if (!decl_ctx) |
2140 | decl_ctx = ast.getTranslationUnitDecl(); |
2141 | |
2142 | const bool hasWrittenPrototype = true; |
2143 | const bool isConstexprSpecified = false; |
2144 | |
2145 | clang::DeclarationName declarationName = |
2146 | GetDeclarationName(name, function_clang_type); |
2147 | func_decl = FunctionDecl::CreateDeserialized(ast, 0); |
2148 | func_decl->setDeclContext(decl_ctx); |
2149 | func_decl->setDeclName(declarationName); |
2150 | func_decl->setType(ClangUtil::GetQualType(function_clang_type)); |
2151 | func_decl->setStorageClass(storage); |
2152 | func_decl->setInlineSpecified(is_inline); |
2153 | func_decl->setHasWrittenPrototype(hasWrittenPrototype); |
2154 | func_decl->setConstexprKind(isConstexprSpecified |
2155 | ? ConstexprSpecKind::Constexpr |
2156 | : ConstexprSpecKind::Unspecified); |
2157 | SetOwningModule(func_decl, owning_module); |
2158 | if (func_decl) |
2159 | decl_ctx->addDecl(func_decl); |
2160 | |
2161 | VerifyDecl(func_decl); |
2162 | |
2163 | return func_decl; |
2164 | } |
2165 | |
2166 | CompilerType |
2167 | TypeSystemClang::CreateFunctionType(const CompilerType &result_type, |
2168 | const CompilerType *args, unsigned num_args, |
2169 | bool is_variadic, unsigned type_quals, |
2170 | clang::CallingConv cc) { |
2171 | if (!result_type || !ClangUtil::IsClangType(result_type)) |
2172 | return CompilerType(); // invalid return type |
2173 | |
2174 | std::vector<QualType> qual_type_args; |
2175 | if (num_args > 0 && args == nullptr) |
2176 | return CompilerType(); // invalid argument array passed in |
2177 | |
2178 | // Verify that all arguments are valid and the right type |
2179 | for (unsigned i = 0; i < num_args; ++i) { |
2180 | if (args[i]) { |
2181 | // Make sure we have a clang type in args[i] and not a type from another |
2182 | // language whose name might match |
2183 | const bool is_clang_type = ClangUtil::IsClangType(args[i]); |
2184 | lldbassert(is_clang_type)lldb_private::lldb_assert(static_cast<bool>(is_clang_type ), "is_clang_type", __FUNCTION__, "/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 2184); |
2185 | if (is_clang_type) |
2186 | qual_type_args.push_back(ClangUtil::GetQualType(args[i])); |
2187 | else |
2188 | return CompilerType(); // invalid argument type (must be a clang type) |
2189 | } else |
2190 | return CompilerType(); // invalid argument type (empty) |
2191 | } |
2192 | |
2193 | // TODO: Detect calling convention in DWARF? |
2194 | FunctionProtoType::ExtProtoInfo proto_info; |
2195 | proto_info.ExtInfo = cc; |
2196 | proto_info.Variadic = is_variadic; |
2197 | proto_info.ExceptionSpec = EST_None; |
2198 | proto_info.TypeQuals = clang::Qualifiers::fromFastMask(type_quals); |
2199 | proto_info.RefQualifier = RQ_None; |
2200 | |
2201 | return GetType(getASTContext().getFunctionType( |
2202 | ClangUtil::GetQualType(result_type), qual_type_args, proto_info)); |
2203 | } |
2204 | |
2205 | ParmVarDecl *TypeSystemClang::CreateParameterDeclaration( |
2206 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
2207 | const char *name, const CompilerType ¶m_type, int storage, |
2208 | bool add_decl) { |
2209 | ASTContext &ast = getASTContext(); |
2210 | auto *decl = ParmVarDecl::CreateDeserialized(ast, 0); |
2211 | decl->setDeclContext(decl_ctx); |
2212 | if (name && name[0]) |
2213 | decl->setDeclName(&ast.Idents.get(name)); |
2214 | decl->setType(ClangUtil::GetQualType(param_type)); |
2215 | decl->setStorageClass(static_cast<clang::StorageClass>(storage)); |
2216 | SetOwningModule(decl, owning_module); |
2217 | if (add_decl) |
2218 | decl_ctx->addDecl(decl); |
2219 | |
2220 | return decl; |
2221 | } |
2222 | |
2223 | void TypeSystemClang::SetFunctionParameters( |
2224 | FunctionDecl *function_decl, llvm::ArrayRef<ParmVarDecl *> params) { |
2225 | if (function_decl) |
2226 | function_decl->setParams(params); |
2227 | } |
2228 | |
2229 | CompilerType |
2230 | TypeSystemClang::CreateBlockPointerType(const CompilerType &function_type) { |
2231 | QualType block_type = m_ast_up->getBlockPointerType( |
2232 | clang::QualType::getFromOpaquePtr(function_type.GetOpaqueQualType())); |
2233 | |
2234 | return GetType(block_type); |
2235 | } |
2236 | |
2237 | #pragma mark Array Types |
2238 | |
2239 | CompilerType TypeSystemClang::CreateArrayType(const CompilerType &element_type, |
2240 | size_t element_count, |
2241 | bool is_vector) { |
2242 | if (element_type.IsValid()) { |
2243 | ASTContext &ast = getASTContext(); |
2244 | |
2245 | if (is_vector) { |
2246 | return GetType(ast.getExtVectorType(ClangUtil::GetQualType(element_type), |
2247 | element_count)); |
2248 | } else { |
2249 | |
2250 | llvm::APInt ap_element_count(64, element_count); |
2251 | if (element_count == 0) { |
2252 | return GetType(ast.getIncompleteArrayType( |
2253 | ClangUtil::GetQualType(element_type), clang::ArrayType::Normal, 0)); |
2254 | } else { |
2255 | return GetType(ast.getConstantArrayType( |
2256 | ClangUtil::GetQualType(element_type), ap_element_count, nullptr, |
2257 | clang::ArrayType::Normal, 0)); |
2258 | } |
2259 | } |
2260 | } |
2261 | return CompilerType(); |
2262 | } |
2263 | |
2264 | CompilerType TypeSystemClang::CreateStructForIdentifier( |
2265 | ConstString type_name, |
2266 | const std::initializer_list<std::pair<const char *, CompilerType>> |
2267 | &type_fields, |
2268 | bool packed) { |
2269 | CompilerType type; |
2270 | if (!type_name.IsEmpty() && |
2271 | (type = GetTypeForIdentifier<clang::CXXRecordDecl>(type_name)) |
2272 | .IsValid()) { |
2273 | 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__, "/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 2273); |
2274 | return type; |
2275 | } |
2276 | |
2277 | type = CreateRecordType(nullptr, OptionalClangModuleID(), lldb::eAccessPublic, |
2278 | type_name.GetCString(), clang::TTK_Struct, |
2279 | lldb::eLanguageTypeC); |
2280 | StartTagDeclarationDefinition(type); |
2281 | for (const auto &field : type_fields) |
2282 | AddFieldToRecordType(type, field.first, field.second, lldb::eAccessPublic, |
2283 | 0); |
2284 | if (packed) |
2285 | SetIsPacked(type); |
2286 | CompleteTagDeclarationDefinition(type); |
2287 | return type; |
2288 | } |
2289 | |
2290 | CompilerType TypeSystemClang::GetOrCreateStructForIdentifier( |
2291 | ConstString type_name, |
2292 | const std::initializer_list<std::pair<const char *, CompilerType>> |
2293 | &type_fields, |
2294 | bool packed) { |
2295 | CompilerType type; |
2296 | if ((type = GetTypeForIdentifier<clang::CXXRecordDecl>(type_name)).IsValid()) |
2297 | return type; |
2298 | |
2299 | return CreateStructForIdentifier(type_name, type_fields, packed); |
2300 | } |
2301 | |
2302 | #pragma mark Enumeration Types |
2303 | |
2304 | CompilerType TypeSystemClang::CreateEnumerationType( |
2305 | const char *name, clang::DeclContext *decl_ctx, |
2306 | OptionalClangModuleID owning_module, const Declaration &decl, |
2307 | const CompilerType &integer_clang_type, bool is_scoped) { |
2308 | // TODO: Do something intelligent with the Declaration object passed in |
2309 | // like maybe filling in the SourceLocation with it... |
2310 | ASTContext &ast = getASTContext(); |
2311 | |
2312 | // TODO: ask about these... |
2313 | // const bool IsFixed = false; |
2314 | EnumDecl *enum_decl = EnumDecl::CreateDeserialized(ast, 0); |
2315 | enum_decl->setDeclContext(decl_ctx); |
2316 | if (name && name[0]) |
2317 | enum_decl->setDeclName(&ast.Idents.get(name)); |
2318 | enum_decl->setScoped(is_scoped); |
2319 | enum_decl->setScopedUsingClassTag(is_scoped); |
2320 | enum_decl->setFixed(false); |
2321 | SetOwningModule(enum_decl, owning_module); |
2322 | if (enum_decl) { |
2323 | if (decl_ctx) |
2324 | decl_ctx->addDecl(enum_decl); |
2325 | |
2326 | // TODO: check if we should be setting the promotion type too? |
2327 | enum_decl->setIntegerType(ClangUtil::GetQualType(integer_clang_type)); |
2328 | |
2329 | enum_decl->setAccess(AS_public); // TODO respect what's in the debug info |
2330 | |
2331 | return GetType(ast.getTagDeclType(enum_decl)); |
2332 | } |
2333 | return CompilerType(); |
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 | clang::DeclContext * |
2579 | TypeSystemClang::GetDeclContextForType(const CompilerType &type) { |
2580 | return GetDeclContextForType(ClangUtil::GetQualType(type)); |
2581 | } |
2582 | |
2583 | /// Aggressively desugar the provided type, skipping past various kinds of |
2584 | /// syntactic sugar and other constructs one typically wants to ignore. |
2585 | /// The \p mask argument allows one to skip certain kinds of simplifications, |
2586 | /// when one wishes to handle a certain kind of type directly. |
2587 | static QualType |
2588 | RemoveWrappingTypes(QualType type, ArrayRef<clang::Type::TypeClass> mask = {}) { |
2589 | while (true) { |
2590 | if (find(mask, type->getTypeClass()) != mask.end()) |
2591 | return type; |
2592 | switch (type->getTypeClass()) { |
2593 | // This is not fully correct as _Atomic is more than sugar, but it is |
2594 | // sufficient for the purposes we care about. |
2595 | case clang::Type::Atomic: |
2596 | type = cast<clang::AtomicType>(type)->getValueType(); |
2597 | break; |
2598 | case clang::Type::Auto: |
2599 | case clang::Type::Decltype: |
2600 | case clang::Type::Elaborated: |
2601 | case clang::Type::Paren: |
2602 | case clang::Type::SubstTemplateTypeParm: |
2603 | case clang::Type::TemplateSpecialization: |
2604 | case clang::Type::Typedef: |
2605 | case clang::Type::TypeOf: |
2606 | case clang::Type::TypeOfExpr: |
2607 | type = type->getLocallyUnqualifiedSingleStepDesugaredType(); |
2608 | break; |
2609 | default: |
2610 | return type; |
2611 | } |
2612 | } |
2613 | } |
2614 | |
2615 | clang::DeclContext * |
2616 | TypeSystemClang::GetDeclContextForType(clang::QualType type) { |
2617 | if (type.isNull()) |
2618 | return nullptr; |
2619 | |
2620 | clang::QualType qual_type = RemoveWrappingTypes(type.getCanonicalType()); |
2621 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
2622 | switch (type_class) { |
2623 | case clang::Type::ObjCInterface: |
2624 | return llvm::cast<clang::ObjCObjectType>(qual_type.getTypePtr()) |
2625 | ->getInterface(); |
2626 | case clang::Type::ObjCObjectPointer: |
2627 | return GetDeclContextForType( |
2628 | llvm::cast<clang::ObjCObjectPointerType>(qual_type.getTypePtr()) |
2629 | ->getPointeeType()); |
2630 | case clang::Type::Record: |
2631 | return llvm::cast<clang::RecordType>(qual_type)->getDecl(); |
2632 | case clang::Type::Enum: |
2633 | return llvm::cast<clang::EnumType>(qual_type)->getDecl(); |
2634 | default: |
2635 | break; |
2636 | } |
2637 | // No DeclContext in this type... |
2638 | return nullptr; |
2639 | } |
2640 | |
2641 | static bool GetCompleteQualType(clang::ASTContext *ast, |
2642 | clang::QualType qual_type, |
2643 | bool allow_completion = true) { |
2644 | qual_type = RemoveWrappingTypes(qual_type); |
2645 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
2646 | switch (type_class) { |
2647 | case clang::Type::ConstantArray: |
2648 | case clang::Type::IncompleteArray: |
2649 | case clang::Type::VariableArray: { |
2650 | const clang::ArrayType *array_type = |
2651 | llvm::dyn_cast<clang::ArrayType>(qual_type.getTypePtr()); |
2652 | |
2653 | if (array_type) |
2654 | return GetCompleteQualType(ast, array_type->getElementType(), |
2655 | allow_completion); |
2656 | } break; |
2657 | case clang::Type::Record: { |
2658 | clang::CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); |
2659 | if (cxx_record_decl) { |
2660 | if (cxx_record_decl->hasExternalLexicalStorage()) { |
2661 | const bool is_complete = cxx_record_decl->isCompleteDefinition(); |
2662 | const bool fields_loaded = |
2663 | cxx_record_decl->hasLoadedFieldsFromExternalStorage(); |
2664 | if (is_complete && fields_loaded) |
2665 | return true; |
2666 | |
2667 | if (!allow_completion) |
2668 | return false; |
2669 | |
2670 | // Call the field_begin() accessor to for it to use the external source |
2671 | // to load the fields... |
2672 | clang::ExternalASTSource *external_ast_source = |
2673 | ast->getExternalSource(); |
2674 | if (external_ast_source) { |
2675 | external_ast_source->CompleteType(cxx_record_decl); |
2676 | if (cxx_record_decl->isCompleteDefinition()) { |
2677 | cxx_record_decl->field_begin(); |
2678 | cxx_record_decl->setHasLoadedFieldsFromExternalStorage(true); |
2679 | } |
2680 | } |
2681 | } |
2682 | } |
2683 | const clang::TagType *tag_type = |
2684 | llvm::cast<clang::TagType>(qual_type.getTypePtr()); |
2685 | return !tag_type->isIncompleteType(); |
2686 | } break; |
2687 | |
2688 | case clang::Type::Enum: { |
2689 | const clang::TagType *tag_type = |
2690 | llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr()); |
2691 | if (tag_type) { |
2692 | clang::TagDecl *tag_decl = tag_type->getDecl(); |
2693 | if (tag_decl) { |
2694 | if (tag_decl->getDefinition()) |
2695 | return true; |
2696 | |
2697 | if (!allow_completion) |
2698 | return false; |
2699 | |
2700 | if (tag_decl->hasExternalLexicalStorage()) { |
2701 | if (ast) { |
2702 | clang::ExternalASTSource *external_ast_source = |
2703 | ast->getExternalSource(); |
2704 | if (external_ast_source) { |
2705 | external_ast_source->CompleteType(tag_decl); |
2706 | return !tag_type->isIncompleteType(); |
2707 | } |
2708 | } |
2709 | } |
2710 | return false; |
2711 | } |
2712 | } |
2713 | |
2714 | } break; |
2715 | case clang::Type::ObjCObject: |
2716 | case clang::Type::ObjCInterface: { |
2717 | const clang::ObjCObjectType *objc_class_type = |
2718 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type); |
2719 | if (objc_class_type) { |
2720 | clang::ObjCInterfaceDecl *class_interface_decl = |
2721 | objc_class_type->getInterface(); |
2722 | // We currently can't complete objective C types through the newly added |
2723 | // ASTContext because it only supports TagDecl objects right now... |
2724 | if (class_interface_decl) { |
2725 | if (class_interface_decl->getDefinition()) |
2726 | return true; |
2727 | |
2728 | if (!allow_completion) |
2729 | return false; |
2730 | |
2731 | if (class_interface_decl->hasExternalLexicalStorage()) { |
2732 | if (ast) { |
2733 | clang::ExternalASTSource *external_ast_source = |
2734 | ast->getExternalSource(); |
2735 | if (external_ast_source) { |
2736 | external_ast_source->CompleteType(class_interface_decl); |
2737 | return !objc_class_type->isIncompleteType(); |
2738 | } |
2739 | } |
2740 | } |
2741 | return false; |
2742 | } |
2743 | } |
2744 | } break; |
2745 | |
2746 | case clang::Type::Attributed: |
2747 | return GetCompleteQualType( |
2748 | ast, llvm::cast<clang::AttributedType>(qual_type)->getModifiedType(), |
2749 | allow_completion); |
2750 | |
2751 | default: |
2752 | break; |
2753 | } |
2754 | |
2755 | return true; |
2756 | } |
2757 | |
2758 | static clang::ObjCIvarDecl::AccessControl |
2759 | ConvertAccessTypeToObjCIvarAccessControl(AccessType access) { |
2760 | switch (access) { |
2761 | case eAccessNone: |
2762 | return clang::ObjCIvarDecl::None; |
2763 | case eAccessPublic: |
2764 | return clang::ObjCIvarDecl::Public; |
2765 | case eAccessPrivate: |
2766 | return clang::ObjCIvarDecl::Private; |
2767 | case eAccessProtected: |
2768 | return clang::ObjCIvarDecl::Protected; |
2769 | case eAccessPackage: |
2770 | return clang::ObjCIvarDecl::Package; |
2771 | } |
2772 | return clang::ObjCIvarDecl::None; |
2773 | } |
2774 | |
2775 | // Tests |
2776 | |
2777 | #ifndef NDEBUG1 |
2778 | bool TypeSystemClang::Verify(lldb::opaque_compiler_type_t type) { |
2779 | return !type || llvm::isa<clang::Type>(GetQualType(type).getTypePtr()); |
2780 | } |
2781 | #endif |
2782 | |
2783 | bool TypeSystemClang::IsAggregateType(lldb::opaque_compiler_type_t type) { |
2784 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
2785 | |
2786 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
2787 | switch (type_class) { |
2788 | case clang::Type::IncompleteArray: |
2789 | case clang::Type::VariableArray: |
2790 | case clang::Type::ConstantArray: |
2791 | case clang::Type::ExtVector: |
2792 | case clang::Type::Vector: |
2793 | case clang::Type::Record: |
2794 | case clang::Type::ObjCObject: |
2795 | case clang::Type::ObjCInterface: |
2796 | return true; |
2797 | default: |
2798 | break; |
2799 | } |
2800 | // The clang type does have a value |
2801 | return false; |
2802 | } |
2803 | |
2804 | bool TypeSystemClang::IsAnonymousType(lldb::opaque_compiler_type_t type) { |
2805 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
2806 | |
2807 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
2808 | switch (type_class) { |
2809 | case clang::Type::Record: { |
2810 | if (const clang::RecordType *record_type = |
2811 | llvm::dyn_cast_or_null<clang::RecordType>( |
2812 | qual_type.getTypePtrOrNull())) { |
2813 | if (const clang::RecordDecl *record_decl = record_type->getDecl()) { |
2814 | return record_decl->isAnonymousStructOrUnion(); |
2815 | } |
2816 | } |
2817 | break; |
2818 | } |
2819 | default: |
2820 | break; |
2821 | } |
2822 | // The clang type does have a value |
2823 | return false; |
2824 | } |
2825 | |
2826 | bool TypeSystemClang::IsArrayType(lldb::opaque_compiler_type_t type, |
2827 | CompilerType *element_type_ptr, |
2828 | uint64_t *size, bool *is_incomplete) { |
2829 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
2830 | |
2831 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
2832 | switch (type_class) { |
2833 | default: |
2834 | break; |
2835 | |
2836 | case clang::Type::ConstantArray: |
2837 | if (element_type_ptr) |
2838 | element_type_ptr->SetCompilerType( |
2839 | this, llvm::cast<clang::ConstantArrayType>(qual_type) |
2840 | ->getElementType() |
2841 | .getAsOpaquePtr()); |
2842 | if (size) |
2843 | *size = llvm::cast<clang::ConstantArrayType>(qual_type) |
2844 | ->getSize() |
2845 | .getLimitedValue(ULLONG_MAX(9223372036854775807LL*2ULL+1ULL)); |
2846 | if (is_incomplete) |
2847 | *is_incomplete = false; |
2848 | return true; |
2849 | |
2850 | case clang::Type::IncompleteArray: |
2851 | if (element_type_ptr) |
2852 | element_type_ptr->SetCompilerType( |
2853 | this, llvm::cast<clang::IncompleteArrayType>(qual_type) |
2854 | ->getElementType() |
2855 | .getAsOpaquePtr()); |
2856 | if (size) |
2857 | *size = 0; |
2858 | if (is_incomplete) |
2859 | *is_incomplete = true; |
2860 | return true; |
2861 | |
2862 | case clang::Type::VariableArray: |
2863 | if (element_type_ptr) |
2864 | element_type_ptr->SetCompilerType( |
2865 | this, llvm::cast<clang::VariableArrayType>(qual_type) |
2866 | ->getElementType() |
2867 | .getAsOpaquePtr()); |
2868 | if (size) |
2869 | *size = 0; |
2870 | if (is_incomplete) |
2871 | *is_incomplete = false; |
2872 | return true; |
2873 | |
2874 | case clang::Type::DependentSizedArray: |
2875 | if (element_type_ptr) |
2876 | element_type_ptr->SetCompilerType( |
2877 | this, llvm::cast<clang::DependentSizedArrayType>(qual_type) |
2878 | ->getElementType() |
2879 | .getAsOpaquePtr()); |
2880 | if (size) |
2881 | *size = 0; |
2882 | if (is_incomplete) |
2883 | *is_incomplete = false; |
2884 | return true; |
2885 | } |
2886 | if (element_type_ptr) |
2887 | element_type_ptr->Clear(); |
2888 | if (size) |
2889 | *size = 0; |
2890 | if (is_incomplete) |
2891 | *is_incomplete = false; |
2892 | return false; |
2893 | } |
2894 | |
2895 | bool TypeSystemClang::IsVectorType(lldb::opaque_compiler_type_t type, |
2896 | CompilerType *element_type, uint64_t *size) { |
2897 | clang::QualType qual_type(GetCanonicalQualType(type)); |
2898 | |
2899 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
2900 | switch (type_class) { |
2901 | case clang::Type::Vector: { |
2902 | const clang::VectorType *vector_type = |
2903 | qual_type->getAs<clang::VectorType>(); |
2904 | if (vector_type) { |
2905 | if (size) |
2906 | *size = vector_type->getNumElements(); |
2907 | if (element_type) |
2908 | *element_type = GetType(vector_type->getElementType()); |
2909 | } |
2910 | return true; |
2911 | } break; |
2912 | case clang::Type::ExtVector: { |
2913 | const clang::ExtVectorType *ext_vector_type = |
2914 | qual_type->getAs<clang::ExtVectorType>(); |
2915 | if (ext_vector_type) { |
2916 | if (size) |
2917 | *size = ext_vector_type->getNumElements(); |
2918 | if (element_type) |
2919 | *element_type = |
2920 | CompilerType(this, ext_vector_type->getElementType().getAsOpaquePtr()); |
2921 | } |
2922 | return true; |
2923 | } |
2924 | default: |
2925 | break; |
2926 | } |
2927 | return false; |
2928 | } |
2929 | |
2930 | bool TypeSystemClang::IsRuntimeGeneratedType( |
2931 | lldb::opaque_compiler_type_t type) { |
2932 | clang::DeclContext *decl_ctx = GetDeclContextForType(GetQualType(type)); |
2933 | if (!decl_ctx) |
2934 | return false; |
2935 | |
2936 | if (!llvm::isa<clang::ObjCInterfaceDecl>(decl_ctx)) |
2937 | return false; |
2938 | |
2939 | clang::ObjCInterfaceDecl *result_iface_decl = |
2940 | llvm::dyn_cast<clang::ObjCInterfaceDecl>(decl_ctx); |
2941 | |
2942 | ClangASTMetadata *ast_metadata = GetMetadata(result_iface_decl); |
2943 | if (!ast_metadata) |
2944 | return false; |
2945 | return (ast_metadata->GetISAPtr() != 0); |
2946 | } |
2947 | |
2948 | bool TypeSystemClang::IsCharType(lldb::opaque_compiler_type_t type) { |
2949 | return GetQualType(type).getUnqualifiedType()->isCharType(); |
2950 | } |
2951 | |
2952 | bool TypeSystemClang::IsCompleteType(lldb::opaque_compiler_type_t type) { |
2953 | const bool allow_completion = false; |
2954 | return GetCompleteQualType(&getASTContext(), GetQualType(type), |
2955 | allow_completion); |
2956 | } |
2957 | |
2958 | bool TypeSystemClang::IsConst(lldb::opaque_compiler_type_t type) { |
2959 | return GetQualType(type).isConstQualified(); |
2960 | } |
2961 | |
2962 | bool TypeSystemClang::IsCStringType(lldb::opaque_compiler_type_t type, |
2963 | uint32_t &length) { |
2964 | CompilerType pointee_or_element_clang_type; |
2965 | length = 0; |
2966 | Flags type_flags(GetTypeInfo(type, &pointee_or_element_clang_type)); |
2967 | |
2968 | if (!pointee_or_element_clang_type.IsValid()) |
2969 | return false; |
2970 | |
2971 | if (type_flags.AnySet(eTypeIsArray | eTypeIsPointer)) { |
2972 | if (pointee_or_element_clang_type.IsCharType()) { |
2973 | if (type_flags.Test(eTypeIsArray)) { |
2974 | // We know the size of the array and it could be a C string since it is |
2975 | // an array of characters |
2976 | length = llvm::cast<clang::ConstantArrayType>( |
2977 | GetCanonicalQualType(type).getTypePtr()) |
2978 | ->getSize() |
2979 | .getLimitedValue(); |
2980 | } |
2981 | return true; |
2982 | } |
2983 | } |
2984 | return false; |
2985 | } |
2986 | |
2987 | bool TypeSystemClang::IsFunctionType(lldb::opaque_compiler_type_t type) { |
2988 | if (type) { |
2989 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
2990 | |
2991 | if (qual_type->isFunctionType()) { |
2992 | return true; |
2993 | } |
2994 | |
2995 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
2996 | switch (type_class) { |
2997 | default: |
2998 | break; |
2999 | case clang::Type::LValueReference: |
3000 | case clang::Type::RValueReference: { |
3001 | const clang::ReferenceType *reference_type = |
3002 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); |
3003 | if (reference_type) |
3004 | return IsFunctionType( |
3005 | reference_type->getPointeeType().getAsOpaquePtr()); |
3006 | } break; |
3007 | } |
3008 | } |
3009 | return false; |
3010 | } |
3011 | |
3012 | // Used to detect "Homogeneous Floating-point Aggregates" |
3013 | uint32_t |
3014 | TypeSystemClang::IsHomogeneousAggregate(lldb::opaque_compiler_type_t type, |
3015 | CompilerType *base_type_ptr) { |
3016 | if (!type) |
3017 | return 0; |
3018 | |
3019 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
3020 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
3021 | switch (type_class) { |
3022 | case clang::Type::Record: |
3023 | if (GetCompleteType(type)) { |
3024 | const clang::CXXRecordDecl *cxx_record_decl = |
3025 | qual_type->getAsCXXRecordDecl(); |
3026 | if (cxx_record_decl) { |
3027 | if (cxx_record_decl->getNumBases() || cxx_record_decl->isDynamicClass()) |
3028 | return 0; |
3029 | } |
3030 | const clang::RecordType *record_type = |
3031 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
3032 | if (record_type) { |
3033 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
3034 | if (record_decl) { |
3035 | // We are looking for a structure that contains only floating point |
3036 | // types |
3037 | clang::RecordDecl::field_iterator field_pos, |
3038 | field_end = record_decl->field_end(); |
3039 | uint32_t num_fields = 0; |
3040 | bool is_hva = false; |
3041 | bool is_hfa = false; |
3042 | clang::QualType base_qual_type; |
3043 | uint64_t base_bitwidth = 0; |
3044 | for (field_pos = record_decl->field_begin(); field_pos != field_end; |
3045 | ++field_pos) { |
3046 | clang::QualType field_qual_type = field_pos->getType(); |
3047 | uint64_t field_bitwidth = getASTContext().getTypeSize(qual_type); |
3048 | if (field_qual_type->isFloatingType()) { |
3049 | if (field_qual_type->isComplexType()) |
3050 | return 0; |
3051 | else { |
3052 | if (num_fields == 0) |
3053 | base_qual_type = field_qual_type; |
3054 | else { |
3055 | if (is_hva) |
3056 | return 0; |
3057 | is_hfa = true; |
3058 | if (field_qual_type.getTypePtr() != |
3059 | base_qual_type.getTypePtr()) |
3060 | return 0; |
3061 | } |
3062 | } |
3063 | } else if (field_qual_type->isVectorType() || |
3064 | field_qual_type->isExtVectorType()) { |
3065 | if (num_fields == 0) { |
3066 | base_qual_type = field_qual_type; |
3067 | base_bitwidth = field_bitwidth; |
3068 | } else { |
3069 | if (is_hfa) |
3070 | return 0; |
3071 | is_hva = true; |
3072 | if (base_bitwidth != field_bitwidth) |
3073 | return 0; |
3074 | if (field_qual_type.getTypePtr() != base_qual_type.getTypePtr()) |
3075 | return 0; |
3076 | } |
3077 | } else |
3078 | return 0; |
3079 | ++num_fields; |
3080 | } |
3081 | if (base_type_ptr) |
3082 | *base_type_ptr = CompilerType(this, base_qual_type.getAsOpaquePtr()); |
3083 | return num_fields; |
3084 | } |
3085 | } |
3086 | } |
3087 | break; |
3088 | |
3089 | default: |
3090 | break; |
3091 | } |
3092 | return 0; |
3093 | } |
3094 | |
3095 | size_t TypeSystemClang::GetNumberOfFunctionArguments( |
3096 | lldb::opaque_compiler_type_t type) { |
3097 | if (type) { |
3098 | clang::QualType qual_type(GetCanonicalQualType(type)); |
3099 | const clang::FunctionProtoType *func = |
3100 | llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); |
3101 | if (func) |
3102 | return func->getNumParams(); |
3103 | } |
3104 | return 0; |
3105 | } |
3106 | |
3107 | CompilerType |
3108 | TypeSystemClang::GetFunctionArgumentAtIndex(lldb::opaque_compiler_type_t type, |
3109 | const size_t index) { |
3110 | if (type) { |
3111 | clang::QualType qual_type(GetQualType(type)); |
3112 | const clang::FunctionProtoType *func = |
3113 | llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); |
3114 | if (func) { |
3115 | if (index < func->getNumParams()) |
3116 | return CompilerType(this, func->getParamType(index).getAsOpaquePtr()); |
3117 | } |
3118 | } |
3119 | return CompilerType(); |
3120 | } |
3121 | |
3122 | bool TypeSystemClang::IsFunctionPointerType(lldb::opaque_compiler_type_t type) { |
3123 | if (type) { |
3124 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
3125 | |
3126 | if (qual_type->isFunctionPointerType()) |
3127 | return true; |
3128 | |
3129 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
3130 | switch (type_class) { |
3131 | default: |
3132 | break; |
3133 | |
3134 | case clang::Type::LValueReference: |
3135 | case clang::Type::RValueReference: { |
3136 | const clang::ReferenceType *reference_type = |
3137 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); |
3138 | if (reference_type) |
3139 | return IsFunctionPointerType( |
3140 | reference_type->getPointeeType().getAsOpaquePtr()); |
3141 | } break; |
3142 | } |
3143 | } |
3144 | return false; |
3145 | } |
3146 | |
3147 | bool TypeSystemClang::IsBlockPointerType( |
3148 | lldb::opaque_compiler_type_t type, |
3149 | CompilerType *function_pointer_type_ptr) { |
3150 | if (type) { |
3151 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
3152 | |
3153 | if (qual_type->isBlockPointerType()) { |
3154 | if (function_pointer_type_ptr) { |
3155 | const clang::BlockPointerType *block_pointer_type = |
3156 | qual_type->getAs<clang::BlockPointerType>(); |
3157 | QualType pointee_type = block_pointer_type->getPointeeType(); |
3158 | QualType function_pointer_type = m_ast_up->getPointerType(pointee_type); |
3159 | *function_pointer_type_ptr = |
3160 | CompilerType(this, function_pointer_type.getAsOpaquePtr()); |
3161 | } |
3162 | return true; |
3163 | } |
3164 | |
3165 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
3166 | switch (type_class) { |
3167 | default: |
3168 | break; |
3169 | |
3170 | case clang::Type::LValueReference: |
3171 | case clang::Type::RValueReference: { |
3172 | const clang::ReferenceType *reference_type = |
3173 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); |
3174 | if (reference_type) |
3175 | return IsBlockPointerType( |
3176 | reference_type->getPointeeType().getAsOpaquePtr(), |
3177 | function_pointer_type_ptr); |
3178 | } break; |
3179 | } |
3180 | } |
3181 | return false; |
3182 | } |
3183 | |
3184 | bool TypeSystemClang::IsIntegerType(lldb::opaque_compiler_type_t type, |
3185 | bool &is_signed) { |
3186 | if (!type) |
3187 | return false; |
3188 | |
3189 | clang::QualType qual_type(GetCanonicalQualType(type)); |
3190 | const clang::BuiltinType *builtin_type = |
3191 | llvm::dyn_cast<clang::BuiltinType>(qual_type->getCanonicalTypeInternal()); |
3192 | |
3193 | if (builtin_type) { |
3194 | if (builtin_type->isInteger()) { |
3195 | is_signed = builtin_type->isSignedInteger(); |
3196 | return true; |
3197 | } |
3198 | } |
3199 | |
3200 | return false; |
3201 | } |
3202 | |
3203 | bool TypeSystemClang::IsEnumerationType(lldb::opaque_compiler_type_t type, |
3204 | bool &is_signed) { |
3205 | if (type) { |
3206 | const clang::EnumType *enum_type = llvm::dyn_cast<clang::EnumType>( |
3207 | GetCanonicalQualType(type)->getCanonicalTypeInternal()); |
3208 | |
3209 | if (enum_type) { |
3210 | IsIntegerType(enum_type->getDecl()->getIntegerType().getAsOpaquePtr(), |
3211 | is_signed); |
3212 | return true; |
3213 | } |
3214 | } |
3215 | |
3216 | return false; |
3217 | } |
3218 | |
3219 | bool TypeSystemClang::IsScopedEnumerationType( |
3220 | lldb::opaque_compiler_type_t type) { |
3221 | if (type) { |
3222 | const clang::EnumType *enum_type = llvm::dyn_cast<clang::EnumType>( |
3223 | GetCanonicalQualType(type)->getCanonicalTypeInternal()); |
3224 | |
3225 | if (enum_type) { |
3226 | return enum_type->isScopedEnumeralType(); |
3227 | } |
3228 | } |
3229 | |
3230 | return false; |
3231 | } |
3232 | |
3233 | bool TypeSystemClang::IsPointerType(lldb::opaque_compiler_type_t type, |
3234 | CompilerType *pointee_type) { |
3235 | if (type) { |
3236 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
3237 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
3238 | switch (type_class) { |
3239 | case clang::Type::Builtin: |
3240 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
3241 | default: |
3242 | break; |
3243 | case clang::BuiltinType::ObjCId: |
3244 | case clang::BuiltinType::ObjCClass: |
3245 | return true; |
3246 | } |
3247 | return false; |
3248 | case clang::Type::ObjCObjectPointer: |
3249 | if (pointee_type) |
3250 | pointee_type->SetCompilerType( |
3251 | this, llvm::cast<clang::ObjCObjectPointerType>(qual_type) |
3252 | ->getPointeeType() |
3253 | .getAsOpaquePtr()); |
3254 | return true; |
3255 | case clang::Type::BlockPointer: |
3256 | if (pointee_type) |
3257 | pointee_type->SetCompilerType( |
3258 | this, llvm::cast<clang::BlockPointerType>(qual_type) |
3259 | ->getPointeeType() |
3260 | .getAsOpaquePtr()); |
3261 | return true; |
3262 | case clang::Type::Pointer: |
3263 | if (pointee_type) |
3264 | pointee_type->SetCompilerType(this, |
3265 | llvm::cast<clang::PointerType>(qual_type) |
3266 | ->getPointeeType() |
3267 | .getAsOpaquePtr()); |
3268 | return true; |
3269 | case clang::Type::MemberPointer: |
3270 | if (pointee_type) |
3271 | pointee_type->SetCompilerType( |
3272 | this, llvm::cast<clang::MemberPointerType>(qual_type) |
3273 | ->getPointeeType() |
3274 | .getAsOpaquePtr()); |
3275 | return true; |
3276 | default: |
3277 | break; |
3278 | } |
3279 | } |
3280 | if (pointee_type) |
3281 | pointee_type->Clear(); |
3282 | return false; |
3283 | } |
3284 | |
3285 | bool TypeSystemClang::IsPointerOrReferenceType( |
3286 | lldb::opaque_compiler_type_t type, CompilerType *pointee_type) { |
3287 | if (type) { |
3288 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
3289 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
3290 | switch (type_class) { |
3291 | case clang::Type::Builtin: |
3292 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
3293 | default: |
3294 | break; |
3295 | case clang::BuiltinType::ObjCId: |
3296 | case clang::BuiltinType::ObjCClass: |
3297 | return true; |
3298 | } |
3299 | return false; |
3300 | case clang::Type::ObjCObjectPointer: |
3301 | if (pointee_type) |
3302 | pointee_type->SetCompilerType( |
3303 | this, llvm::cast<clang::ObjCObjectPointerType>(qual_type) |
3304 | ->getPointeeType().getAsOpaquePtr()); |
3305 | return true; |
3306 | case clang::Type::BlockPointer: |
3307 | if (pointee_type) |
3308 | pointee_type->SetCompilerType( |
3309 | this, llvm::cast<clang::BlockPointerType>(qual_type) |
3310 | ->getPointeeType() |
3311 | .getAsOpaquePtr()); |
3312 | return true; |
3313 | case clang::Type::Pointer: |
3314 | if (pointee_type) |
3315 | pointee_type->SetCompilerType(this, |
3316 | llvm::cast<clang::PointerType>(qual_type) |
3317 | ->getPointeeType() |
3318 | .getAsOpaquePtr()); |
3319 | return true; |
3320 | case clang::Type::MemberPointer: |
3321 | if (pointee_type) |
3322 | pointee_type->SetCompilerType( |
3323 | this, llvm::cast<clang::MemberPointerType>(qual_type) |
3324 | ->getPointeeType() |
3325 | .getAsOpaquePtr()); |
3326 | return true; |
3327 | case clang::Type::LValueReference: |
3328 | if (pointee_type) |
3329 | pointee_type->SetCompilerType( |
3330 | this, llvm::cast<clang::LValueReferenceType>(qual_type) |
3331 | ->desugar() |
3332 | .getAsOpaquePtr()); |
3333 | return true; |
3334 | case clang::Type::RValueReference: |
3335 | if (pointee_type) |
3336 | pointee_type->SetCompilerType( |
3337 | this, llvm::cast<clang::RValueReferenceType>(qual_type) |
3338 | ->desugar() |
3339 | .getAsOpaquePtr()); |
3340 | return true; |
3341 | default: |
3342 | break; |
3343 | } |
3344 | } |
3345 | if (pointee_type) |
3346 | pointee_type->Clear(); |
3347 | return false; |
3348 | } |
3349 | |
3350 | bool TypeSystemClang::IsReferenceType(lldb::opaque_compiler_type_t type, |
3351 | CompilerType *pointee_type, |
3352 | bool *is_rvalue) { |
3353 | if (type) { |
3354 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
3355 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
3356 | |
3357 | switch (type_class) { |
3358 | case clang::Type::LValueReference: |
3359 | if (pointee_type) |
3360 | pointee_type->SetCompilerType( |
3361 | this, llvm::cast<clang::LValueReferenceType>(qual_type) |
3362 | ->desugar() |
3363 | .getAsOpaquePtr()); |
3364 | if (is_rvalue) |
3365 | *is_rvalue = false; |
3366 | return true; |
3367 | case clang::Type::RValueReference: |
3368 | if (pointee_type) |
3369 | pointee_type->SetCompilerType( |
3370 | this, llvm::cast<clang::RValueReferenceType>(qual_type) |
3371 | ->desugar() |
3372 | .getAsOpaquePtr()); |
3373 | if (is_rvalue) |
3374 | *is_rvalue = true; |
3375 | return true; |
3376 | |
3377 | default: |
3378 | break; |
3379 | } |
3380 | } |
3381 | if (pointee_type) |
3382 | pointee_type->Clear(); |
3383 | return false; |
3384 | } |
3385 | |
3386 | bool TypeSystemClang::IsFloatingPointType(lldb::opaque_compiler_type_t type, |
3387 | uint32_t &count, bool &is_complex) { |
3388 | if (type) { |
3389 | clang::QualType qual_type(GetCanonicalQualType(type)); |
3390 | |
3391 | if (const clang::BuiltinType *BT = llvm::dyn_cast<clang::BuiltinType>( |
3392 | qual_type->getCanonicalTypeInternal())) { |
3393 | clang::BuiltinType::Kind kind = BT->getKind(); |
3394 | if (kind >= clang::BuiltinType::Float && |
3395 | kind <= clang::BuiltinType::LongDouble) { |
3396 | count = 1; |
3397 | is_complex = false; |
3398 | return true; |
3399 | } |
3400 | } else if (const clang::ComplexType *CT = |
3401 | llvm::dyn_cast<clang::ComplexType>( |
3402 | qual_type->getCanonicalTypeInternal())) { |
3403 | if (IsFloatingPointType(CT->getElementType().getAsOpaquePtr(), count, |
3404 | is_complex)) { |
3405 | count = 2; |
3406 | is_complex = true; |
3407 | return true; |
3408 | } |
3409 | } else if (const clang::VectorType *VT = llvm::dyn_cast<clang::VectorType>( |
3410 | qual_type->getCanonicalTypeInternal())) { |
3411 | if (IsFloatingPointType(VT->getElementType().getAsOpaquePtr(), count, |
3412 | is_complex)) { |
3413 | count = VT->getNumElements(); |
3414 | is_complex = false; |
3415 | return true; |
3416 | } |
3417 | } |
3418 | } |
3419 | count = 0; |
3420 | is_complex = false; |
3421 | return false; |
3422 | } |
3423 | |
3424 | bool TypeSystemClang::IsDefined(lldb::opaque_compiler_type_t type) { |
3425 | if (!type) |
3426 | return false; |
3427 | |
3428 | clang::QualType qual_type(GetQualType(type)); |
3429 | const clang::TagType *tag_type = |
3430 | llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr()); |
3431 | if (tag_type) { |
3432 | clang::TagDecl *tag_decl = tag_type->getDecl(); |
3433 | if (tag_decl) |
3434 | return tag_decl->isCompleteDefinition(); |
3435 | return false; |
3436 | } else { |
3437 | const clang::ObjCObjectType *objc_class_type = |
3438 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type); |
3439 | if (objc_class_type) { |
3440 | clang::ObjCInterfaceDecl *class_interface_decl = |
3441 | objc_class_type->getInterface(); |
3442 | if (class_interface_decl) |
3443 | return class_interface_decl->getDefinition() != nullptr; |
3444 | return false; |
3445 | } |
3446 | } |
3447 | return true; |
3448 | } |
3449 | |
3450 | bool TypeSystemClang::IsObjCClassType(const CompilerType &type) { |
3451 | if (ClangUtil::IsClangType(type)) { |
3452 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); |
3453 | |
3454 | const clang::ObjCObjectPointerType *obj_pointer_type = |
3455 | llvm::dyn_cast<clang::ObjCObjectPointerType>(qual_type); |
3456 | |
3457 | if (obj_pointer_type) |
3458 | return obj_pointer_type->isObjCClassType(); |
3459 | } |
3460 | return false; |
3461 | } |
3462 | |
3463 | bool TypeSystemClang::IsObjCObjectOrInterfaceType(const CompilerType &type) { |
3464 | if (ClangUtil::IsClangType(type)) |
3465 | return ClangUtil::GetCanonicalQualType(type)->isObjCObjectOrInterfaceType(); |
3466 | return false; |
3467 | } |
3468 | |
3469 | bool TypeSystemClang::IsClassType(lldb::opaque_compiler_type_t type) { |
3470 | if (!type) |
3471 | return false; |
3472 | clang::QualType qual_type(GetCanonicalQualType(type)); |
3473 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
3474 | return (type_class == clang::Type::Record); |
3475 | } |
3476 | |
3477 | bool TypeSystemClang::IsEnumType(lldb::opaque_compiler_type_t type) { |
3478 | if (!type) |
3479 | return false; |
3480 | clang::QualType qual_type(GetCanonicalQualType(type)); |
3481 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
3482 | return (type_class == clang::Type::Enum); |
3483 | } |
3484 | |
3485 | bool TypeSystemClang::IsPolymorphicClass(lldb::opaque_compiler_type_t type) { |
3486 | if (type) { |
3487 | clang::QualType qual_type(GetCanonicalQualType(type)); |
3488 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
3489 | switch (type_class) { |
3490 | case clang::Type::Record: |
3491 | if (GetCompleteType(type)) { |
3492 | const clang::RecordType *record_type = |
3493 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
3494 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
3495 | if (record_decl) { |
3496 | const clang::CXXRecordDecl *cxx_record_decl = |
3497 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
3498 | if (cxx_record_decl) |
3499 | return cxx_record_decl->isPolymorphic(); |
3500 | } |
3501 | } |
3502 | break; |
3503 | |
3504 | default: |
3505 | break; |
3506 | } |
3507 | } |
3508 | return false; |
3509 | } |
3510 | |
3511 | bool TypeSystemClang::IsPossibleDynamicType(lldb::opaque_compiler_type_t type, |
3512 | CompilerType *dynamic_pointee_type, |
3513 | bool check_cplusplus, |
3514 | bool check_objc) { |
3515 | clang::QualType pointee_qual_type; |
3516 | if (type) { |
3517 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
3518 | bool success = false; |
3519 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
3520 | switch (type_class) { |
3521 | case clang::Type::Builtin: |
3522 | if (check_objc && |
3523 | llvm::cast<clang::BuiltinType>(qual_type)->getKind() == |
3524 | clang::BuiltinType::ObjCId) { |
3525 | if (dynamic_pointee_type) |
3526 | dynamic_pointee_type->SetCompilerType(this, type); |
3527 | return true; |
3528 | } |
3529 | break; |
3530 | |
3531 | case clang::Type::ObjCObjectPointer: |
3532 | if (check_objc) { |
3533 | if (const auto *objc_pointee_type = |
3534 | qual_type->getPointeeType().getTypePtrOrNull()) { |
3535 | if (const auto *objc_object_type = |
3536 | llvm::dyn_cast_or_null<clang::ObjCObjectType>( |
3537 | objc_pointee_type)) { |
3538 | if (objc_object_type->isObjCClass()) |
3539 | return false; |
3540 | } |
3541 | } |
3542 | if (dynamic_pointee_type) |
3543 | dynamic_pointee_type->SetCompilerType( |
3544 | this, llvm::cast<clang::ObjCObjectPointerType>(qual_type) |
3545 | ->getPointeeType() |
3546 | .getAsOpaquePtr()); |
3547 | return true; |
3548 | } |
3549 | break; |
3550 | |
3551 | case clang::Type::Pointer: |
3552 | pointee_qual_type = |
3553 | llvm::cast<clang::PointerType>(qual_type)->getPointeeType(); |
3554 | success = true; |
3555 | break; |
3556 | |
3557 | case clang::Type::LValueReference: |
3558 | case clang::Type::RValueReference: |
3559 | pointee_qual_type = |
3560 | llvm::cast<clang::ReferenceType>(qual_type)->getPointeeType(); |
3561 | success = true; |
3562 | break; |
3563 | |
3564 | default: |
3565 | break; |
3566 | } |
3567 | |
3568 | if (success) { |
3569 | // Check to make sure what we are pointing too is a possible dynamic C++ |
3570 | // type We currently accept any "void *" (in case we have a class that |
3571 | // has been watered down to an opaque pointer) and virtual C++ classes. |
3572 | const clang::Type::TypeClass pointee_type_class = |
3573 | pointee_qual_type.getCanonicalType()->getTypeClass(); |
3574 | switch (pointee_type_class) { |
3575 | case clang::Type::Builtin: |
3576 | switch (llvm::cast<clang::BuiltinType>(pointee_qual_type)->getKind()) { |
3577 | case clang::BuiltinType::UnknownAny: |
3578 | case clang::BuiltinType::Void: |
3579 | if (dynamic_pointee_type) |
3580 | dynamic_pointee_type->SetCompilerType( |
3581 | this, pointee_qual_type.getAsOpaquePtr()); |
3582 | return true; |
3583 | default: |
3584 | break; |
3585 | } |
3586 | break; |
3587 | |
3588 | case clang::Type::Record: |
3589 | if (check_cplusplus) { |
3590 | clang::CXXRecordDecl *cxx_record_decl = |
3591 | pointee_qual_type->getAsCXXRecordDecl(); |
3592 | if (cxx_record_decl) { |
3593 | bool is_complete = cxx_record_decl->isCompleteDefinition(); |
3594 | |
3595 | if (is_complete) |
3596 | success = cxx_record_decl->isDynamicClass(); |
3597 | else { |
3598 | ClangASTMetadata *metadata = GetMetadata(cxx_record_decl); |
3599 | if (metadata) |
3600 | success = metadata->GetIsDynamicCXXType(); |
3601 | else { |
3602 | is_complete = GetType(pointee_qual_type).GetCompleteType(); |
3603 | if (is_complete) |
3604 | success = cxx_record_decl->isDynamicClass(); |
3605 | else |
3606 | success = false; |
3607 | } |
3608 | } |
3609 | |
3610 | if (success) { |
3611 | if (dynamic_pointee_type) |
3612 | dynamic_pointee_type->SetCompilerType( |
3613 | this, pointee_qual_type.getAsOpaquePtr()); |
3614 | return true; |
3615 | } |
3616 | } |
3617 | } |
3618 | break; |
3619 | |
3620 | case clang::Type::ObjCObject: |
3621 | case clang::Type::ObjCInterface: |
3622 | if (check_objc) { |
3623 | if (dynamic_pointee_type) |
3624 | dynamic_pointee_type->SetCompilerType( |
3625 | this, pointee_qual_type.getAsOpaquePtr()); |
3626 | return true; |
3627 | } |
3628 | break; |
3629 | |
3630 | default: |
3631 | break; |
3632 | } |
3633 | } |
3634 | } |
3635 | if (dynamic_pointee_type) |
3636 | dynamic_pointee_type->Clear(); |
3637 | return false; |
3638 | } |
3639 | |
3640 | bool TypeSystemClang::IsScalarType(lldb::opaque_compiler_type_t type) { |
3641 | if (!type) |
3642 | return false; |
3643 | |
3644 | return (GetTypeInfo(type, nullptr) & eTypeIsScalar) != 0; |
3645 | } |
3646 | |
3647 | bool TypeSystemClang::IsTypedefType(lldb::opaque_compiler_type_t type) { |
3648 | if (!type) |
3649 | return false; |
3650 | return RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}) |
3651 | ->getTypeClass() == clang::Type::Typedef; |
3652 | } |
3653 | |
3654 | bool TypeSystemClang::IsVoidType(lldb::opaque_compiler_type_t type) { |
3655 | if (!type) |
3656 | return false; |
3657 | return GetCanonicalQualType(type)->isVoidType(); |
3658 | } |
3659 | |
3660 | bool TypeSystemClang::CanPassInRegisters(const CompilerType &type) { |
3661 | if (auto *record_decl = |
3662 | TypeSystemClang::GetAsRecordDecl(type)) { |
3663 | return record_decl->canPassInRegisters(); |
3664 | } |
3665 | return false; |
3666 | } |
3667 | |
3668 | bool TypeSystemClang::SupportsLanguage(lldb::LanguageType language) { |
3669 | return TypeSystemClangSupportsLanguage(language); |
3670 | } |
3671 | |
3672 | Optional<std::string> |
3673 | TypeSystemClang::GetCXXClassName(const CompilerType &type) { |
3674 | if (!type) |
3675 | return llvm::None; |
3676 | |
3677 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); |
3678 | if (qual_type.isNull()) |
3679 | return llvm::None; |
3680 | |
3681 | clang::CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); |
3682 | if (!cxx_record_decl) |
3683 | return llvm::None; |
3684 | |
3685 | return std::string(cxx_record_decl->getIdentifier()->getNameStart()); |
3686 | } |
3687 | |
3688 | bool TypeSystemClang::IsCXXClassType(const CompilerType &type) { |
3689 | if (!type) |
3690 | return false; |
3691 | |
3692 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); |
3693 | return !qual_type.isNull() && qual_type->getAsCXXRecordDecl() != nullptr; |
3694 | } |
3695 | |
3696 | bool TypeSystemClang::IsBeingDefined(lldb::opaque_compiler_type_t type) { |
3697 | if (!type) |
3698 | return false; |
3699 | clang::QualType qual_type(GetCanonicalQualType(type)); |
3700 | const clang::TagType *tag_type = llvm::dyn_cast<clang::TagType>(qual_type); |
3701 | if (tag_type) |
3702 | return tag_type->isBeingDefined(); |
3703 | return false; |
3704 | } |
3705 | |
3706 | bool TypeSystemClang::IsObjCObjectPointerType(const CompilerType &type, |
3707 | CompilerType *class_type_ptr) { |
3708 | if (!ClangUtil::IsClangType(type)) |
3709 | return false; |
3710 | |
3711 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); |
3712 | |
3713 | if (!qual_type.isNull() && qual_type->isObjCObjectPointerType()) { |
3714 | if (class_type_ptr) { |
3715 | if (!qual_type->isObjCClassType() && !qual_type->isObjCIdType()) { |
3716 | const clang::ObjCObjectPointerType *obj_pointer_type = |
3717 | llvm::dyn_cast<clang::ObjCObjectPointerType>(qual_type); |
3718 | if (obj_pointer_type == nullptr) |
3719 | class_type_ptr->Clear(); |
3720 | else |
3721 | class_type_ptr->SetCompilerType( |
3722 | type.GetTypeSystem(), |
3723 | clang::QualType(obj_pointer_type->getInterfaceType(), 0) |
3724 | .getAsOpaquePtr()); |
3725 | } |
3726 | } |
3727 | return true; |
3728 | } |
3729 | if (class_type_ptr) |
3730 | class_type_ptr->Clear(); |
3731 | return false; |
3732 | } |
3733 | |
3734 | // Type Completion |
3735 | |
3736 | bool TypeSystemClang::GetCompleteType(lldb::opaque_compiler_type_t type) { |
3737 | if (!type) |
3738 | return false; |
3739 | const bool allow_completion = true; |
3740 | return GetCompleteQualType(&getASTContext(), GetQualType(type), |
3741 | allow_completion); |
3742 | } |
3743 | |
3744 | ConstString TypeSystemClang::GetTypeName(lldb::opaque_compiler_type_t type) { |
3745 | if (!type) |
3746 | return ConstString(); |
3747 | |
3748 | clang::QualType qual_type(GetQualType(type)); |
3749 | |
3750 | // Remove certain type sugar from the name. Sugar such as elaborated types |
3751 | // or template types which only serve to improve diagnostics shouldn't |
3752 | // act as their own types from the user's perspective (e.g., formatter |
3753 | // shouldn't format a variable differently depending on how the ser has |
3754 | // specified the type. '::Type' and 'Type' should behave the same). |
3755 | // Typedefs and atomic derived types are not removed as they are actually |
3756 | // useful for identifiying specific types. |
3757 | qual_type = RemoveWrappingTypes(qual_type, |
3758 | {clang::Type::Typedef, clang::Type::Atomic}); |
3759 | |
3760 | // For a typedef just return the qualified name. |
3761 | if (const auto *typedef_type = qual_type->getAs<clang::TypedefType>()) { |
3762 | const clang::TypedefNameDecl *typedef_decl = typedef_type->getDecl(); |
3763 | return ConstString(GetTypeNameForDecl(typedef_decl)); |
3764 | } |
3765 | |
3766 | return ConstString(qual_type.getAsString(GetTypePrintingPolicy())); |
3767 | } |
3768 | |
3769 | ConstString |
3770 | TypeSystemClang::GetDisplayTypeName(lldb::opaque_compiler_type_t type) { |
3771 | if (!type) |
3772 | return ConstString(); |
3773 | |
3774 | clang::QualType qual_type(GetQualType(type)); |
3775 | clang::PrintingPolicy printing_policy(getASTContext().getPrintingPolicy()); |
3776 | printing_policy.SuppressTagKeyword = true; |
3777 | printing_policy.SuppressScope = false; |
3778 | printing_policy.SuppressUnwrittenScope = true; |
3779 | printing_policy.SuppressInlineNamespace = true; |
3780 | return ConstString(qual_type.getAsString(printing_policy)); |
3781 | } |
3782 | |
3783 | uint32_t |
3784 | TypeSystemClang::GetTypeInfo(lldb::opaque_compiler_type_t type, |
3785 | CompilerType *pointee_or_element_clang_type) { |
3786 | if (!type) |
3787 | return 0; |
3788 | |
3789 | if (pointee_or_element_clang_type) |
3790 | pointee_or_element_clang_type->Clear(); |
3791 | |
3792 | clang::QualType qual_type = |
3793 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}); |
3794 | |
3795 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
3796 | switch (type_class) { |
3797 | case clang::Type::Attributed: |
3798 | return GetTypeInfo( |
3799 | qual_type->getAs<clang::AttributedType>() |
3800 | ->getModifiedType().getAsOpaquePtr(), |
3801 | pointee_or_element_clang_type); |
3802 | case clang::Type::Builtin: { |
3803 | const clang::BuiltinType *builtin_type = llvm::dyn_cast<clang::BuiltinType>( |
3804 | qual_type->getCanonicalTypeInternal()); |
3805 | |
3806 | uint32_t builtin_type_flags = eTypeIsBuiltIn | eTypeHasValue; |
3807 | switch (builtin_type->getKind()) { |
3808 | case clang::BuiltinType::ObjCId: |
3809 | case clang::BuiltinType::ObjCClass: |
3810 | if (pointee_or_element_clang_type) |
3811 | pointee_or_element_clang_type->SetCompilerType( |
3812 | this, getASTContext().ObjCBuiltinClassTy.getAsOpaquePtr()); |
3813 | builtin_type_flags |= eTypeIsPointer | eTypeIsObjC; |
3814 | break; |
3815 | |
3816 | case clang::BuiltinType::ObjCSel: |
3817 | if (pointee_or_element_clang_type) |
3818 | pointee_or_element_clang_type->SetCompilerType( |
3819 | this, getASTContext().CharTy.getAsOpaquePtr()); |
3820 | builtin_type_flags |= eTypeIsPointer | eTypeIsObjC; |
3821 | break; |
3822 | |
3823 | case clang::BuiltinType::Bool: |
3824 | case clang::BuiltinType::Char_U: |
3825 | case clang::BuiltinType::UChar: |
3826 | case clang::BuiltinType::WChar_U: |
3827 | case clang::BuiltinType::Char16: |
3828 | case clang::BuiltinType::Char32: |
3829 | case clang::BuiltinType::UShort: |
3830 | case clang::BuiltinType::UInt: |
3831 | case clang::BuiltinType::ULong: |
3832 | case clang::BuiltinType::ULongLong: |
3833 | case clang::BuiltinType::UInt128: |
3834 | case clang::BuiltinType::Char_S: |
3835 | case clang::BuiltinType::SChar: |
3836 | case clang::BuiltinType::WChar_S: |
3837 | case clang::BuiltinType::Short: |
3838 | case clang::BuiltinType::Int: |
3839 | case clang::BuiltinType::Long: |
3840 | case clang::BuiltinType::LongLong: |
3841 | case clang::BuiltinType::Int128: |
3842 | case clang::BuiltinType::Float: |
3843 | case clang::BuiltinType::Double: |
3844 | case clang::BuiltinType::LongDouble: |
3845 | builtin_type_flags |= eTypeIsScalar; |
3846 | if (builtin_type->isInteger()) { |
3847 | builtin_type_flags |= eTypeIsInteger; |
3848 | if (builtin_type->isSignedInteger()) |
3849 | builtin_type_flags |= eTypeIsSigned; |
3850 | } else if (builtin_type->isFloatingPoint()) |
3851 | builtin_type_flags |= eTypeIsFloat; |
3852 | break; |
3853 | default: |
3854 | break; |
3855 | } |
3856 | return builtin_type_flags; |
3857 | } |
3858 | |
3859 | case clang::Type::BlockPointer: |
3860 | if (pointee_or_element_clang_type) |
3861 | pointee_or_element_clang_type->SetCompilerType( |
3862 | this, qual_type->getPointeeType().getAsOpaquePtr()); |
3863 | return eTypeIsPointer | eTypeHasChildren | eTypeIsBlock; |
3864 | |
3865 | case clang::Type::Complex: { |
3866 | uint32_t complex_type_flags = |
3867 | eTypeIsBuiltIn | eTypeHasValue | eTypeIsComplex; |
3868 | const clang::ComplexType *complex_type = llvm::dyn_cast<clang::ComplexType>( |
3869 | qual_type->getCanonicalTypeInternal()); |
3870 | if (complex_type) { |
3871 | clang::QualType complex_element_type(complex_type->getElementType()); |
3872 | if (complex_element_type->isIntegerType()) |
3873 | complex_type_flags |= eTypeIsFloat; |
3874 | else if (complex_element_type->isFloatingType()) |
3875 | complex_type_flags |= eTypeIsInteger; |
3876 | } |
3877 | return complex_type_flags; |
3878 | } break; |
3879 | |
3880 | case clang::Type::ConstantArray: |
3881 | case clang::Type::DependentSizedArray: |
3882 | case clang::Type::IncompleteArray: |
3883 | case clang::Type::VariableArray: |
3884 | if (pointee_or_element_clang_type) |
3885 | pointee_or_element_clang_type->SetCompilerType( |
3886 | this, llvm::cast<clang::ArrayType>(qual_type.getTypePtr()) |
3887 | ->getElementType() |
3888 | .getAsOpaquePtr()); |
3889 | return eTypeHasChildren | eTypeIsArray; |
3890 | |
3891 | case clang::Type::DependentName: |
3892 | return 0; |
3893 | case clang::Type::DependentSizedExtVector: |
3894 | return eTypeHasChildren | eTypeIsVector; |
3895 | case clang::Type::DependentTemplateSpecialization: |
3896 | return eTypeIsTemplate; |
3897 | |
3898 | case clang::Type::Enum: |
3899 | if (pointee_or_element_clang_type) |
3900 | pointee_or_element_clang_type->SetCompilerType( |
3901 | this, llvm::cast<clang::EnumType>(qual_type) |
3902 | ->getDecl() |
3903 | ->getIntegerType() |
3904 | .getAsOpaquePtr()); |
3905 | return eTypeIsEnumeration | eTypeHasValue; |
3906 | |
3907 | case clang::Type::FunctionProto: |
3908 | return eTypeIsFuncPrototype | eTypeHasValue; |
3909 | case clang::Type::FunctionNoProto: |
3910 | return eTypeIsFuncPrototype | eTypeHasValue; |
3911 | case clang::Type::InjectedClassName: |
3912 | return 0; |
3913 | |
3914 | case clang::Type::LValueReference: |
3915 | case clang::Type::RValueReference: |
3916 | if (pointee_or_element_clang_type) |
3917 | pointee_or_element_clang_type->SetCompilerType( |
3918 | this, llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()) |
3919 | ->getPointeeType() |
3920 | .getAsOpaquePtr()); |
3921 | return eTypeHasChildren | eTypeIsReference | eTypeHasValue; |
3922 | |
3923 | case clang::Type::MemberPointer: |
3924 | return eTypeIsPointer | eTypeIsMember | eTypeHasValue; |
3925 | |
3926 | case clang::Type::ObjCObjectPointer: |
3927 | if (pointee_or_element_clang_type) |
3928 | pointee_or_element_clang_type->SetCompilerType( |
3929 | this, qual_type->getPointeeType().getAsOpaquePtr()); |
3930 | return eTypeHasChildren | eTypeIsObjC | eTypeIsClass | eTypeIsPointer | |
3931 | eTypeHasValue; |
3932 | |
3933 | case clang::Type::ObjCObject: |
3934 | return eTypeHasChildren | eTypeIsObjC | eTypeIsClass; |
3935 | case clang::Type::ObjCInterface: |
3936 | return eTypeHasChildren | eTypeIsObjC | eTypeIsClass; |
3937 | |
3938 | case clang::Type::Pointer: |
3939 | if (pointee_or_element_clang_type) |
3940 | pointee_or_element_clang_type->SetCompilerType( |
3941 | this, qual_type->getPointeeType().getAsOpaquePtr()); |
3942 | return eTypeHasChildren | eTypeIsPointer | eTypeHasValue; |
3943 | |
3944 | case clang::Type::Record: |
3945 | if (qual_type->getAsCXXRecordDecl()) |
3946 | return eTypeHasChildren | eTypeIsClass | eTypeIsCPlusPlus; |
3947 | else |
3948 | return eTypeHasChildren | eTypeIsStructUnion; |
3949 | break; |
3950 | case clang::Type::SubstTemplateTypeParm: |
3951 | return eTypeIsTemplate; |
3952 | case clang::Type::TemplateTypeParm: |
3953 | return eTypeIsTemplate; |
3954 | case clang::Type::TemplateSpecialization: |
3955 | return eTypeIsTemplate; |
3956 | |
3957 | case clang::Type::Typedef: |
3958 | return eTypeIsTypedef | GetType(llvm::cast<clang::TypedefType>(qual_type) |
3959 | ->getDecl() |
3960 | ->getUnderlyingType()) |
3961 | .GetTypeInfo(pointee_or_element_clang_type); |
3962 | case clang::Type::UnresolvedUsing: |
3963 | return 0; |
3964 | |
3965 | case clang::Type::ExtVector: |
3966 | case clang::Type::Vector: { |
3967 | uint32_t vector_type_flags = eTypeHasChildren | eTypeIsVector; |
3968 | const clang::VectorType *vector_type = llvm::dyn_cast<clang::VectorType>( |
3969 | qual_type->getCanonicalTypeInternal()); |
3970 | if (vector_type) { |
3971 | if (vector_type->isIntegerType()) |
3972 | vector_type_flags |= eTypeIsFloat; |
3973 | else if (vector_type->isFloatingType()) |
3974 | vector_type_flags |= eTypeIsInteger; |
3975 | } |
3976 | return vector_type_flags; |
3977 | } |
3978 | default: |
3979 | return 0; |
3980 | } |
3981 | return 0; |
3982 | } |
3983 | |
3984 | lldb::LanguageType |
3985 | TypeSystemClang::GetMinimumLanguage(lldb::opaque_compiler_type_t type) { |
3986 | if (!type) |
3987 | return lldb::eLanguageTypeC; |
3988 | |
3989 | // If the type is a reference, then resolve it to what it refers to first: |
3990 | clang::QualType qual_type(GetCanonicalQualType(type).getNonReferenceType()); |
3991 | if (qual_type->isAnyPointerType()) { |
3992 | if (qual_type->isObjCObjectPointerType()) |
3993 | return lldb::eLanguageTypeObjC; |
3994 | if (qual_type->getPointeeCXXRecordDecl()) |
3995 | return lldb::eLanguageTypeC_plus_plus; |
3996 | |
3997 | clang::QualType pointee_type(qual_type->getPointeeType()); |
3998 | if (pointee_type->getPointeeCXXRecordDecl()) |
3999 | return lldb::eLanguageTypeC_plus_plus; |
4000 | if (pointee_type->isObjCObjectOrInterfaceType()) |
4001 | return lldb::eLanguageTypeObjC; |
4002 | if (pointee_type->isObjCClassType()) |
4003 | return lldb::eLanguageTypeObjC; |
4004 | if (pointee_type.getTypePtr() == |
4005 | getASTContext().ObjCBuiltinIdTy.getTypePtr()) |
4006 | return lldb::eLanguageTypeObjC; |
4007 | } else { |
4008 | if (qual_type->isObjCObjectOrInterfaceType()) |
4009 | return lldb::eLanguageTypeObjC; |
4010 | if (qual_type->getAsCXXRecordDecl()) |
4011 | return lldb::eLanguageTypeC_plus_plus; |
4012 | switch (qual_type->getTypeClass()) { |
4013 | default: |
4014 | break; |
4015 | case clang::Type::Builtin: |
4016 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
4017 | default: |
4018 | case clang::BuiltinType::Void: |
4019 | case clang::BuiltinType::Bool: |
4020 | case clang::BuiltinType::Char_U: |
4021 | case clang::BuiltinType::UChar: |
4022 | case clang::BuiltinType::WChar_U: |
4023 | case clang::BuiltinType::Char16: |
4024 | case clang::BuiltinType::Char32: |
4025 | case clang::BuiltinType::UShort: |
4026 | case clang::BuiltinType::UInt: |
4027 | case clang::BuiltinType::ULong: |
4028 | case clang::BuiltinType::ULongLong: |
4029 | case clang::BuiltinType::UInt128: |
4030 | case clang::BuiltinType::Char_S: |
4031 | case clang::BuiltinType::SChar: |
4032 | case clang::BuiltinType::WChar_S: |
4033 | case clang::BuiltinType::Short: |
4034 | case clang::BuiltinType::Int: |
4035 | case clang::BuiltinType::Long: |
4036 | case clang::BuiltinType::LongLong: |
4037 | case clang::BuiltinType::Int128: |
4038 | case clang::BuiltinType::Float: |
4039 | case clang::BuiltinType::Double: |
4040 | case clang::BuiltinType::LongDouble: |
4041 | break; |
4042 | |
4043 | case clang::BuiltinType::NullPtr: |
4044 | return eLanguageTypeC_plus_plus; |
4045 | |
4046 | case clang::BuiltinType::ObjCId: |
4047 | case clang::BuiltinType::ObjCClass: |
4048 | case clang::BuiltinType::ObjCSel: |
4049 | return eLanguageTypeObjC; |
4050 | |
4051 | case clang::BuiltinType::Dependent: |
4052 | case clang::BuiltinType::Overload: |
4053 | case clang::BuiltinType::BoundMember: |
4054 | case clang::BuiltinType::UnknownAny: |
4055 | break; |
4056 | } |
4057 | break; |
4058 | case clang::Type::Typedef: |
4059 | return GetType(llvm::cast<clang::TypedefType>(qual_type) |
4060 | ->getDecl() |
4061 | ->getUnderlyingType()) |
4062 | .GetMinimumLanguage(); |
4063 | } |
4064 | } |
4065 | return lldb::eLanguageTypeC; |
4066 | } |
4067 | |
4068 | lldb::TypeClass |
4069 | TypeSystemClang::GetTypeClass(lldb::opaque_compiler_type_t type) { |
4070 | if (!type) |
4071 | return lldb::eTypeClassInvalid; |
4072 | |
4073 | clang::QualType qual_type = |
4074 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}); |
4075 | |
4076 | switch (qual_type->getTypeClass()) { |
4077 | case clang::Type::Atomic: |
4078 | case clang::Type::Auto: |
4079 | case clang::Type::Decltype: |
4080 | case clang::Type::Elaborated: |
4081 | case clang::Type::Paren: |
4082 | case clang::Type::TypeOf: |
4083 | case clang::Type::TypeOfExpr: |
4084 | llvm_unreachable("Handled in RemoveWrappingTypes!")__builtin_unreachable(); |
4085 | case clang::Type::UnaryTransform: |
4086 | break; |
4087 | case clang::Type::FunctionNoProto: |
4088 | return lldb::eTypeClassFunction; |
4089 | case clang::Type::FunctionProto: |
4090 | return lldb::eTypeClassFunction; |
4091 | case clang::Type::IncompleteArray: |
4092 | return lldb::eTypeClassArray; |
4093 | case clang::Type::VariableArray: |
4094 | return lldb::eTypeClassArray; |
4095 | case clang::Type::ConstantArray: |
4096 | return lldb::eTypeClassArray; |
4097 | case clang::Type::DependentSizedArray: |
4098 | return lldb::eTypeClassArray; |
4099 | case clang::Type::DependentSizedExtVector: |
4100 | return lldb::eTypeClassVector; |
4101 | case clang::Type::DependentVector: |
4102 | return lldb::eTypeClassVector; |
4103 | case clang::Type::ExtVector: |
4104 | return lldb::eTypeClassVector; |
4105 | case clang::Type::Vector: |
4106 | return lldb::eTypeClassVector; |
4107 | case clang::Type::Builtin: |
4108 | // Ext-Int is just an integer type. |
4109 | case clang::Type::ExtInt: |
4110 | case clang::Type::DependentExtInt: |
4111 | return lldb::eTypeClassBuiltin; |
4112 | case clang::Type::ObjCObjectPointer: |
4113 | return lldb::eTypeClassObjCObjectPointer; |
4114 | case clang::Type::BlockPointer: |
4115 | return lldb::eTypeClassBlockPointer; |
4116 | case clang::Type::Pointer: |
4117 | return lldb::eTypeClassPointer; |
4118 | case clang::Type::LValueReference: |
4119 | return lldb::eTypeClassReference; |
4120 | case clang::Type::RValueReference: |
4121 | return lldb::eTypeClassReference; |
4122 | case clang::Type::MemberPointer: |
4123 | return lldb::eTypeClassMemberPointer; |
4124 | case clang::Type::Complex: |
4125 | if (qual_type->isComplexType()) |
4126 | return lldb::eTypeClassComplexFloat; |
4127 | else |
4128 | return lldb::eTypeClassComplexInteger; |
4129 | case clang::Type::ObjCObject: |
4130 | return lldb::eTypeClassObjCObject; |
4131 | case clang::Type::ObjCInterface: |
4132 | return lldb::eTypeClassObjCInterface; |
4133 | case clang::Type::Record: { |
4134 | const clang::RecordType *record_type = |
4135 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
4136 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
4137 | if (record_decl->isUnion()) |
4138 | return lldb::eTypeClassUnion; |
4139 | else if (record_decl->isStruct()) |
4140 | return lldb::eTypeClassStruct; |
4141 | else |
4142 | return lldb::eTypeClassClass; |
4143 | } break; |
4144 | case clang::Type::Enum: |
4145 | return lldb::eTypeClassEnumeration; |
4146 | case clang::Type::Typedef: |
4147 | return lldb::eTypeClassTypedef; |
4148 | case clang::Type::UnresolvedUsing: |
4149 | break; |
4150 | |
4151 | case clang::Type::Attributed: |
4152 | break; |
4153 | case clang::Type::TemplateTypeParm: |
4154 | break; |
4155 | case clang::Type::SubstTemplateTypeParm: |
4156 | break; |
4157 | case clang::Type::SubstTemplateTypeParmPack: |
4158 | break; |
4159 | case clang::Type::InjectedClassName: |
4160 | break; |
4161 | case clang::Type::DependentName: |
4162 | break; |
4163 | case clang::Type::DependentTemplateSpecialization: |
4164 | break; |
4165 | case clang::Type::PackExpansion: |
4166 | break; |
4167 | |
4168 | case clang::Type::TemplateSpecialization: |
4169 | break; |
4170 | case clang::Type::DeducedTemplateSpecialization: |
4171 | break; |
4172 | case clang::Type::Pipe: |
4173 | break; |
4174 | |
4175 | // pointer type decayed from an array or function type. |
4176 | case clang::Type::Decayed: |
4177 | break; |
4178 | case clang::Type::Adjusted: |
4179 | break; |
4180 | case clang::Type::ObjCTypeParam: |
4181 | break; |
4182 | |
4183 | case clang::Type::DependentAddressSpace: |
4184 | break; |
4185 | case clang::Type::MacroQualified: |
4186 | break; |
4187 | |
4188 | // Matrix types that we're not sure how to display at the moment. |
4189 | case clang::Type::ConstantMatrix: |
4190 | case clang::Type::DependentSizedMatrix: |
4191 | break; |
4192 | } |
4193 | // We don't know hot to display this type... |
4194 | return lldb::eTypeClassOther; |
4195 | } |
4196 | |
4197 | unsigned TypeSystemClang::GetTypeQualifiers(lldb::opaque_compiler_type_t type) { |
4198 | if (type) |
4199 | return GetQualType(type).getQualifiers().getCVRQualifiers(); |
4200 | return 0; |
4201 | } |
4202 | |
4203 | // Creating related types |
4204 | |
4205 | CompilerType |
4206 | TypeSystemClang::GetArrayElementType(lldb::opaque_compiler_type_t type, |
4207 | ExecutionContextScope *exe_scope) { |
4208 | if (type) { |
4209 | clang::QualType qual_type(GetQualType(type)); |
4210 | |
4211 | const clang::Type *array_eletype = |
4212 | qual_type.getTypePtr()->getArrayElementTypeNoTypeQual(); |
4213 | |
4214 | if (!array_eletype) |
4215 | return CompilerType(); |
4216 | |
4217 | return GetType(clang::QualType(array_eletype, 0)); |
4218 | } |
4219 | return CompilerType(); |
4220 | } |
4221 | |
4222 | CompilerType TypeSystemClang::GetArrayType(lldb::opaque_compiler_type_t type, |
4223 | uint64_t size) { |
4224 | if (type) { |
4225 | clang::QualType qual_type(GetCanonicalQualType(type)); |
4226 | clang::ASTContext &ast_ctx = getASTContext(); |
4227 | if (size != 0) |
4228 | return GetType(ast_ctx.getConstantArrayType( |
4229 | qual_type, llvm::APInt(64, size), nullptr, |
4230 | clang::ArrayType::ArraySizeModifier::Normal, 0)); |
4231 | else |
4232 | return GetType(ast_ctx.getIncompleteArrayType( |
4233 | qual_type, clang::ArrayType::ArraySizeModifier::Normal, 0)); |
4234 | } |
4235 | |
4236 | return CompilerType(); |
4237 | } |
4238 | |
4239 | CompilerType |
4240 | TypeSystemClang::GetCanonicalType(lldb::opaque_compiler_type_t type) { |
4241 | if (type) |
4242 | return GetType(GetCanonicalQualType(type)); |
4243 | return CompilerType(); |
4244 | } |
4245 | |
4246 | static clang::QualType GetFullyUnqualifiedType_Impl(clang::ASTContext *ast, |
4247 | clang::QualType qual_type) { |
4248 | if (qual_type->isPointerType()) |
4249 | qual_type = ast->getPointerType( |
4250 | GetFullyUnqualifiedType_Impl(ast, qual_type->getPointeeType())); |
4251 | else |
4252 | qual_type = qual_type.getUnqualifiedType(); |
4253 | qual_type.removeLocalConst(); |
4254 | qual_type.removeLocalRestrict(); |
4255 | qual_type.removeLocalVolatile(); |
4256 | return qual_type; |
4257 | } |
4258 | |
4259 | CompilerType |
4260 | TypeSystemClang::GetFullyUnqualifiedType(lldb::opaque_compiler_type_t type) { |
4261 | if (type) |
4262 | return GetType( |
4263 | GetFullyUnqualifiedType_Impl(&getASTContext(), GetQualType(type))); |
4264 | return CompilerType(); |
4265 | } |
4266 | |
4267 | CompilerType |
4268 | TypeSystemClang::GetEnumerationIntegerType(lldb::opaque_compiler_type_t type) { |
4269 | if (type) |
4270 | return GetEnumerationIntegerType(GetType(GetCanonicalQualType(type))); |
4271 | return CompilerType(); |
4272 | } |
4273 | |
4274 | int TypeSystemClang::GetFunctionArgumentCount( |
4275 | lldb::opaque_compiler_type_t type) { |
4276 | if (type) { |
4277 | const clang::FunctionProtoType *func = |
4278 | llvm::dyn_cast<clang::FunctionProtoType>(GetCanonicalQualType(type)); |
4279 | if (func) |
4280 | return func->getNumParams(); |
4281 | } |
4282 | return -1; |
4283 | } |
4284 | |
4285 | CompilerType TypeSystemClang::GetFunctionArgumentTypeAtIndex( |
4286 | lldb::opaque_compiler_type_t type, size_t idx) { |
4287 | if (type) { |
4288 | const clang::FunctionProtoType *func = |
4289 | llvm::dyn_cast<clang::FunctionProtoType>(GetQualType(type)); |
4290 | if (func) { |
4291 | const uint32_t num_args = func->getNumParams(); |
4292 | if (idx < num_args) |
4293 | return GetType(func->getParamType(idx)); |
4294 | } |
4295 | } |
4296 | return CompilerType(); |
4297 | } |
4298 | |
4299 | CompilerType |
4300 | TypeSystemClang::GetFunctionReturnType(lldb::opaque_compiler_type_t type) { |
4301 | if (type) { |
4302 | clang::QualType qual_type(GetQualType(type)); |
4303 | const clang::FunctionProtoType *func = |
4304 | llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); |
4305 | if (func) |
4306 | return GetType(func->getReturnType()); |
4307 | } |
4308 | return CompilerType(); |
4309 | } |
4310 | |
4311 | size_t |
4312 | TypeSystemClang::GetNumMemberFunctions(lldb::opaque_compiler_type_t type) { |
4313 | size_t num_functions = 0; |
4314 | if (type) { |
4315 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
4316 | switch (qual_type->getTypeClass()) { |
4317 | case clang::Type::Record: |
4318 | if (GetCompleteQualType(&getASTContext(), qual_type)) { |
4319 | const clang::RecordType *record_type = |
4320 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
4321 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
4322 | assert(record_decl)((void)0); |
4323 | const clang::CXXRecordDecl *cxx_record_decl = |
4324 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
4325 | if (cxx_record_decl) |
4326 | num_functions = std::distance(cxx_record_decl->method_begin(), |
4327 | cxx_record_decl->method_end()); |
4328 | } |
4329 | break; |
4330 | |
4331 | case clang::Type::ObjCObjectPointer: { |
4332 | const clang::ObjCObjectPointerType *objc_class_type = |
4333 | qual_type->getAs<clang::ObjCObjectPointerType>(); |
4334 | const clang::ObjCInterfaceType *objc_interface_type = |
4335 | objc_class_type->getInterfaceType(); |
4336 | if (objc_interface_type && |
4337 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( |
4338 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { |
4339 | clang::ObjCInterfaceDecl *class_interface_decl = |
4340 | objc_interface_type->getDecl(); |
4341 | if (class_interface_decl) { |
4342 | num_functions = std::distance(class_interface_decl->meth_begin(), |
4343 | class_interface_decl->meth_end()); |
4344 | } |
4345 | } |
4346 | break; |
4347 | } |
4348 | |
4349 | case clang::Type::ObjCObject: |
4350 | case clang::Type::ObjCInterface: |
4351 | if (GetCompleteType(type)) { |
4352 | const clang::ObjCObjectType *objc_class_type = |
4353 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
4354 | if (objc_class_type) { |
4355 | clang::ObjCInterfaceDecl *class_interface_decl = |
4356 | objc_class_type->getInterface(); |
4357 | if (class_interface_decl) |
4358 | num_functions = std::distance(class_interface_decl->meth_begin(), |
4359 | class_interface_decl->meth_end()); |
4360 | } |
4361 | } |
4362 | break; |
4363 | |
4364 | default: |
4365 | break; |
4366 | } |
4367 | } |
4368 | return num_functions; |
4369 | } |
4370 | |
4371 | TypeMemberFunctionImpl |
4372 | TypeSystemClang::GetMemberFunctionAtIndex(lldb::opaque_compiler_type_t type, |
4373 | size_t idx) { |
4374 | std::string name; |
4375 | MemberFunctionKind kind(MemberFunctionKind::eMemberFunctionKindUnknown); |
4376 | CompilerType clang_type; |
4377 | CompilerDecl clang_decl; |
4378 | if (type) { |
4379 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
4380 | switch (qual_type->getTypeClass()) { |
4381 | case clang::Type::Record: |
4382 | if (GetCompleteQualType(&getASTContext(), qual_type)) { |
4383 | const clang::RecordType *record_type = |
4384 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
4385 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
4386 | assert(record_decl)((void)0); |
4387 | const clang::CXXRecordDecl *cxx_record_decl = |
4388 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
4389 | if (cxx_record_decl) { |
4390 | auto method_iter = cxx_record_decl->method_begin(); |
4391 | auto method_end = cxx_record_decl->method_end(); |
4392 | if (idx < |
4393 | static_cast<size_t>(std::distance(method_iter, method_end))) { |
4394 | std::advance(method_iter, idx); |
4395 | clang::CXXMethodDecl *cxx_method_decl = |
4396 | method_iter->getCanonicalDecl(); |
4397 | if (cxx_method_decl) { |
4398 | name = cxx_method_decl->getDeclName().getAsString(); |
4399 | if (cxx_method_decl->isStatic()) |
4400 | kind = lldb::eMemberFunctionKindStaticMethod; |
4401 | else if (llvm::isa<clang::CXXConstructorDecl>(cxx_method_decl)) |
4402 | kind = lldb::eMemberFunctionKindConstructor; |
4403 | else if (llvm::isa<clang::CXXDestructorDecl>(cxx_method_decl)) |
4404 | kind = lldb::eMemberFunctionKindDestructor; |
4405 | else |
4406 | kind = lldb::eMemberFunctionKindInstanceMethod; |
4407 | clang_type = GetType(cxx_method_decl->getType()); |
4408 | clang_decl = GetCompilerDecl(cxx_method_decl); |
4409 | } |
4410 | } |
4411 | } |
4412 | } |
4413 | break; |
4414 | |
4415 | case clang::Type::ObjCObjectPointer: { |
4416 | const clang::ObjCObjectPointerType *objc_class_type = |
4417 | qual_type->getAs<clang::ObjCObjectPointerType>(); |
4418 | const clang::ObjCInterfaceType *objc_interface_type = |
4419 | objc_class_type->getInterfaceType(); |
4420 | if (objc_interface_type && |
4421 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( |
4422 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { |
4423 | clang::ObjCInterfaceDecl *class_interface_decl = |
4424 | objc_interface_type->getDecl(); |
4425 | if (class_interface_decl) { |
4426 | auto method_iter = class_interface_decl->meth_begin(); |
4427 | auto method_end = class_interface_decl->meth_end(); |
4428 | if (idx < |
4429 | static_cast<size_t>(std::distance(method_iter, method_end))) { |
4430 | std::advance(method_iter, idx); |
4431 | clang::ObjCMethodDecl *objc_method_decl = |
4432 | method_iter->getCanonicalDecl(); |
4433 | if (objc_method_decl) { |
4434 | clang_decl = GetCompilerDecl(objc_method_decl); |
4435 | name = objc_method_decl->getSelector().getAsString(); |
4436 | if (objc_method_decl->isClassMethod()) |
4437 | kind = lldb::eMemberFunctionKindStaticMethod; |
4438 | else |
4439 | kind = lldb::eMemberFunctionKindInstanceMethod; |
4440 | } |
4441 | } |
4442 | } |
4443 | } |
4444 | break; |
4445 | } |
4446 | |
4447 | case clang::Type::ObjCObject: |
4448 | case clang::Type::ObjCInterface: |
4449 | if (GetCompleteType(type)) { |
4450 | const clang::ObjCObjectType *objc_class_type = |
4451 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
4452 | if (objc_class_type) { |
4453 | clang::ObjCInterfaceDecl *class_interface_decl = |
4454 | objc_class_type->getInterface(); |
4455 | if (class_interface_decl) { |
4456 | auto method_iter = class_interface_decl->meth_begin(); |
4457 | auto method_end = class_interface_decl->meth_end(); |
4458 | if (idx < |
4459 | static_cast<size_t>(std::distance(method_iter, method_end))) { |
4460 | std::advance(method_iter, idx); |
4461 | clang::ObjCMethodDecl *objc_method_decl = |
4462 | method_iter->getCanonicalDecl(); |
4463 | if (objc_method_decl) { |
4464 | clang_decl = GetCompilerDecl(objc_method_decl); |
4465 | name = objc_method_decl->getSelector().getAsString(); |
4466 | if (objc_method_decl->isClassMethod()) |
4467 | kind = lldb::eMemberFunctionKindStaticMethod; |
4468 | else |
4469 | kind = lldb::eMemberFunctionKindInstanceMethod; |
4470 | } |
4471 | } |
4472 | } |
4473 | } |
4474 | } |
4475 | break; |
4476 | |
4477 | default: |
4478 | break; |
4479 | } |
4480 | } |
4481 | |
4482 | if (kind == eMemberFunctionKindUnknown) |
4483 | return TypeMemberFunctionImpl(); |
4484 | else |
4485 | return TypeMemberFunctionImpl(clang_type, clang_decl, name, kind); |
4486 | } |
4487 | |
4488 | CompilerType |
4489 | TypeSystemClang::GetNonReferenceType(lldb::opaque_compiler_type_t type) { |
4490 | if (type) |
4491 | return GetType(GetQualType(type).getNonReferenceType()); |
4492 | return CompilerType(); |
4493 | } |
4494 | |
4495 | CompilerType |
4496 | TypeSystemClang::GetPointeeType(lldb::opaque_compiler_type_t type) { |
4497 | if (type) { |
4498 | clang::QualType qual_type(GetQualType(type)); |
4499 | return GetType(qual_type.getTypePtr()->getPointeeType()); |
4500 | } |
4501 | return CompilerType(); |
4502 | } |
4503 | |
4504 | CompilerType |
4505 | TypeSystemClang::GetPointerType(lldb::opaque_compiler_type_t type) { |
4506 | if (type) { |
4507 | clang::QualType qual_type(GetQualType(type)); |
4508 | |
4509 | switch (qual_type.getDesugaredType(getASTContext())->getTypeClass()) { |
4510 | case clang::Type::ObjCObject: |
4511 | case clang::Type::ObjCInterface: |
4512 | return GetType(getASTContext().getObjCObjectPointerType(qual_type)); |
4513 | |
4514 | default: |
4515 | return GetType(getASTContext().getPointerType(qual_type)); |
4516 | } |
4517 | } |
4518 | return CompilerType(); |
4519 | } |
4520 | |
4521 | CompilerType |
4522 | TypeSystemClang::GetLValueReferenceType(lldb::opaque_compiler_type_t type) { |
4523 | if (type) |
4524 | return GetType(getASTContext().getLValueReferenceType(GetQualType(type))); |
4525 | else |
4526 | return CompilerType(); |
4527 | } |
4528 | |
4529 | CompilerType |
4530 | TypeSystemClang::GetRValueReferenceType(lldb::opaque_compiler_type_t type) { |
4531 | if (type) |
4532 | return GetType(getASTContext().getRValueReferenceType(GetQualType(type))); |
4533 | else |
4534 | return CompilerType(); |
4535 | } |
4536 | |
4537 | CompilerType TypeSystemClang::GetAtomicType(lldb::opaque_compiler_type_t type) { |
4538 | if (!type) |
4539 | return CompilerType(); |
4540 | return GetType(getASTContext().getAtomicType(GetQualType(type))); |
4541 | } |
4542 | |
4543 | CompilerType |
4544 | TypeSystemClang::AddConstModifier(lldb::opaque_compiler_type_t type) { |
4545 | if (type) { |
4546 | clang::QualType result(GetQualType(type)); |
4547 | result.addConst(); |
4548 | return GetType(result); |
4549 | } |
4550 | return CompilerType(); |
4551 | } |
4552 | |
4553 | CompilerType |
4554 | TypeSystemClang::AddVolatileModifier(lldb::opaque_compiler_type_t type) { |
4555 | if (type) { |
4556 | clang::QualType result(GetQualType(type)); |
4557 | result.addVolatile(); |
4558 | return GetType(result); |
4559 | } |
4560 | return CompilerType(); |
4561 | } |
4562 | |
4563 | CompilerType |
4564 | TypeSystemClang::AddRestrictModifier(lldb::opaque_compiler_type_t type) { |
4565 | if (type) { |
4566 | clang::QualType result(GetQualType(type)); |
4567 | result.addRestrict(); |
4568 | return GetType(result); |
4569 | } |
4570 | return CompilerType(); |
4571 | } |
4572 | |
4573 | CompilerType TypeSystemClang::CreateTypedef( |
4574 | lldb::opaque_compiler_type_t type, const char *typedef_name, |
4575 | const CompilerDeclContext &compiler_decl_ctx, uint32_t payload) { |
4576 | if (type && typedef_name && typedef_name[0]) { |
4577 | clang::ASTContext &clang_ast = getASTContext(); |
4578 | clang::QualType qual_type(GetQualType(type)); |
4579 | |
4580 | clang::DeclContext *decl_ctx = |
4581 | TypeSystemClang::DeclContextGetAsDeclContext(compiler_decl_ctx); |
4582 | if (!decl_ctx) |
4583 | decl_ctx = getASTContext().getTranslationUnitDecl(); |
4584 | |
4585 | clang::TypedefDecl *decl = |
4586 | clang::TypedefDecl::CreateDeserialized(clang_ast, 0); |
4587 | decl->setDeclContext(decl_ctx); |
4588 | decl->setDeclName(&clang_ast.Idents.get(typedef_name)); |
4589 | decl->setTypeSourceInfo(clang_ast.getTrivialTypeSourceInfo(qual_type)); |
4590 | decl_ctx->addDecl(decl); |
4591 | SetOwningModule(decl, TypePayloadClang(payload).GetOwningModule()); |
4592 | |
4593 | clang::TagDecl *tdecl = nullptr; |
4594 | if (!qual_type.isNull()) { |
4595 | if (const clang::RecordType *rt = qual_type->getAs<clang::RecordType>()) |
4596 | tdecl = rt->getDecl(); |
4597 | if (const clang::EnumType *et = qual_type->getAs<clang::EnumType>()) |
4598 | tdecl = et->getDecl(); |
4599 | } |
4600 | |
4601 | // Check whether this declaration is an anonymous struct, union, or enum, |
4602 | // hidden behind a typedef. If so, we try to check whether we have a |
4603 | // typedef tag to attach to the original record declaration |
4604 | if (tdecl && !tdecl->getIdentifier() && !tdecl->getTypedefNameForAnonDecl()) |
4605 | tdecl->setTypedefNameForAnonDecl(decl); |
4606 | |
4607 | decl->setAccess(clang::AS_public); // TODO respect proper access specifier |
4608 | |
4609 | // Get a uniqued clang::QualType for the typedef decl type |
4610 | return GetType(clang_ast.getTypedefType(decl)); |
4611 | } |
4612 | return CompilerType(); |
4613 | } |
4614 | |
4615 | CompilerType |
4616 | TypeSystemClang::GetTypedefedType(lldb::opaque_compiler_type_t type) { |
4617 | if (type) { |
4618 | const clang::TypedefType *typedef_type = llvm::dyn_cast<clang::TypedefType>( |
4619 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef})); |
4620 | if (typedef_type) |
4621 | return GetType(typedef_type->getDecl()->getUnderlyingType()); |
4622 | } |
4623 | return CompilerType(); |
4624 | } |
4625 | |
4626 | // Create related types using the current type's AST |
4627 | |
4628 | CompilerType TypeSystemClang::GetBasicTypeFromAST(lldb::BasicType basic_type) { |
4629 | return TypeSystemClang::GetBasicType(basic_type); |
4630 | } |
4631 | // Exploring the type |
4632 | |
4633 | const llvm::fltSemantics & |
4634 | TypeSystemClang::GetFloatTypeSemantics(size_t byte_size) { |
4635 | clang::ASTContext &ast = getASTContext(); |
4636 | const size_t bit_size = byte_size * 8; |
4637 | if (bit_size == ast.getTypeSize(ast.FloatTy)) |
4638 | return ast.getFloatTypeSemantics(ast.FloatTy); |
4639 | else if (bit_size == ast.getTypeSize(ast.DoubleTy)) |
4640 | return ast.getFloatTypeSemantics(ast.DoubleTy); |
4641 | else if (bit_size == ast.getTypeSize(ast.LongDoubleTy)) |
4642 | return ast.getFloatTypeSemantics(ast.LongDoubleTy); |
4643 | else if (bit_size == ast.getTypeSize(ast.HalfTy)) |
4644 | return ast.getFloatTypeSemantics(ast.HalfTy); |
4645 | return llvm::APFloatBase::Bogus(); |
4646 | } |
4647 | |
4648 | Optional<uint64_t> |
4649 | TypeSystemClang::GetBitSize(lldb::opaque_compiler_type_t type, |
4650 | ExecutionContextScope *exe_scope) { |
4651 | if (GetCompleteType(type)) { |
4652 | clang::QualType qual_type(GetCanonicalQualType(type)); |
4653 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
4654 | switch (type_class) { |
4655 | case clang::Type::Record: |
4656 | if (GetCompleteType(type)) |
4657 | return getASTContext().getTypeSize(qual_type); |
4658 | else |
4659 | return None; |
4660 | break; |
4661 | |
4662 | case clang::Type::ObjCInterface: |
4663 | case clang::Type::ObjCObject: { |
4664 | ExecutionContext exe_ctx(exe_scope); |
4665 | Process *process = exe_ctx.GetProcessPtr(); |
4666 | if (process) { |
4667 | ObjCLanguageRuntime *objc_runtime = ObjCLanguageRuntime::Get(*process); |
4668 | if (objc_runtime) { |
4669 | uint64_t bit_size = 0; |
4670 | if (objc_runtime->GetTypeBitSize(GetType(qual_type), bit_size)) |
4671 | return bit_size; |
4672 | } |
4673 | } else { |
4674 | static bool g_printed = false; |
4675 | if (!g_printed) { |
4676 | StreamString s; |
4677 | DumpTypeDescription(type, &s); |
4678 | |
4679 | llvm::outs() << "warning: trying to determine the size of type "; |
4680 | llvm::outs() << s.GetString() << "\n"; |
4681 | llvm::outs() << "without a valid ExecutionContext. this is not " |
4682 | "reliable. please file a bug against LLDB.\n"; |
4683 | llvm::outs() << "backtrace:\n"; |
4684 | llvm::sys::PrintStackTrace(llvm::outs()); |
4685 | llvm::outs() << "\n"; |
4686 | g_printed = true; |
4687 | } |
4688 | } |
4689 | } |
4690 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
4691 | default: |
4692 | const uint32_t bit_size = getASTContext().getTypeSize(qual_type); |
4693 | if (bit_size == 0) { |
4694 | if (qual_type->isIncompleteArrayType()) |
4695 | return getASTContext().getTypeSize( |
4696 | qual_type->getArrayElementTypeNoTypeQual() |
4697 | ->getCanonicalTypeUnqualified()); |
4698 | } |
4699 | if (qual_type->isObjCObjectOrInterfaceType()) |
4700 | return bit_size + |
4701 | getASTContext().getTypeSize(getASTContext().ObjCBuiltinClassTy); |
4702 | // Function types actually have a size of 0, that's not an error. |
4703 | if (qual_type->isFunctionProtoType()) |
4704 | return bit_size; |
4705 | if (bit_size) |
4706 | return bit_size; |
4707 | } |
4708 | } |
4709 | return None; |
4710 | } |
4711 | |
4712 | llvm::Optional<size_t> |
4713 | TypeSystemClang::GetTypeBitAlign(lldb::opaque_compiler_type_t type, |
4714 | ExecutionContextScope *exe_scope) { |
4715 | if (GetCompleteType(type)) |
4716 | return getASTContext().getTypeAlign(GetQualType(type)); |
4717 | return {}; |
4718 | } |
4719 | |
4720 | lldb::Encoding TypeSystemClang::GetEncoding(lldb::opaque_compiler_type_t type, |
4721 | uint64_t &count) { |
4722 | if (!type) |
4723 | return lldb::eEncodingInvalid; |
4724 | |
4725 | count = 1; |
4726 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
4727 | |
4728 | switch (qual_type->getTypeClass()) { |
4729 | case clang::Type::Atomic: |
4730 | case clang::Type::Auto: |
4731 | case clang::Type::Decltype: |
4732 | case clang::Type::Elaborated: |
4733 | case clang::Type::Paren: |
4734 | case clang::Type::Typedef: |
4735 | case clang::Type::TypeOf: |
4736 | case clang::Type::TypeOfExpr: |
4737 | llvm_unreachable("Handled in RemoveWrappingTypes!")__builtin_unreachable(); |
4738 | |
4739 | case clang::Type::UnaryTransform: |
4740 | break; |
4741 | |
4742 | case clang::Type::FunctionNoProto: |
4743 | case clang::Type::FunctionProto: |
4744 | break; |
4745 | |
4746 | case clang::Type::IncompleteArray: |
4747 | case clang::Type::VariableArray: |
4748 | break; |
4749 | |
4750 | case clang::Type::ConstantArray: |
4751 | break; |
4752 | |
4753 | case clang::Type::DependentVector: |
4754 | case clang::Type::ExtVector: |
4755 | case clang::Type::Vector: |
4756 | // TODO: Set this to more than one??? |
4757 | break; |
4758 | |
4759 | case clang::Type::ExtInt: |
4760 | case clang::Type::DependentExtInt: |
4761 | return qual_type->isUnsignedIntegerType() ? lldb::eEncodingUint |
4762 | : lldb::eEncodingSint; |
4763 | |
4764 | case clang::Type::Builtin: |
4765 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
4766 | case clang::BuiltinType::Void: |
4767 | break; |
4768 | |
4769 | case clang::BuiltinType::Char_S: |
4770 | case clang::BuiltinType::SChar: |
4771 | case clang::BuiltinType::WChar_S: |
4772 | case clang::BuiltinType::Short: |
4773 | case clang::BuiltinType::Int: |
4774 | case clang::BuiltinType::Long: |
4775 | case clang::BuiltinType::LongLong: |
4776 | case clang::BuiltinType::Int128: |
4777 | return lldb::eEncodingSint; |
4778 | |
4779 | case clang::BuiltinType::Bool: |
4780 | case clang::BuiltinType::Char_U: |
4781 | case clang::BuiltinType::UChar: |
4782 | case clang::BuiltinType::WChar_U: |
4783 | case clang::BuiltinType::Char8: |
4784 | case clang::BuiltinType::Char16: |
4785 | case clang::BuiltinType::Char32: |
4786 | case clang::BuiltinType::UShort: |
4787 | case clang::BuiltinType::UInt: |
4788 | case clang::BuiltinType::ULong: |
4789 | case clang::BuiltinType::ULongLong: |
4790 | case clang::BuiltinType::UInt128: |
4791 | return lldb::eEncodingUint; |
4792 | |
4793 | // Fixed point types. Note that they are currently ignored. |
4794 | case clang::BuiltinType::ShortAccum: |
4795 | case clang::BuiltinType::Accum: |
4796 | case clang::BuiltinType::LongAccum: |
4797 | case clang::BuiltinType::UShortAccum: |
4798 | case clang::BuiltinType::UAccum: |
4799 | case clang::BuiltinType::ULongAccum: |
4800 | case clang::BuiltinType::ShortFract: |
4801 | case clang::BuiltinType::Fract: |
4802 | case clang::BuiltinType::LongFract: |
4803 | case clang::BuiltinType::UShortFract: |
4804 | case clang::BuiltinType::UFract: |
4805 | case clang::BuiltinType::ULongFract: |
4806 | case clang::BuiltinType::SatShortAccum: |
4807 | case clang::BuiltinType::SatAccum: |
4808 | case clang::BuiltinType::SatLongAccum: |
4809 | case clang::BuiltinType::SatUShortAccum: |
4810 | case clang::BuiltinType::SatUAccum: |
4811 | case clang::BuiltinType::SatULongAccum: |
4812 | case clang::BuiltinType::SatShortFract: |
4813 | case clang::BuiltinType::SatFract: |
4814 | case clang::BuiltinType::SatLongFract: |
4815 | case clang::BuiltinType::SatUShortFract: |
4816 | case clang::BuiltinType::SatUFract: |
4817 | case clang::BuiltinType::SatULongFract: |
4818 | break; |
4819 | |
4820 | case clang::BuiltinType::Half: |
4821 | case clang::BuiltinType::Float: |
4822 | case clang::BuiltinType::Float16: |
4823 | case clang::BuiltinType::Float128: |
4824 | case clang::BuiltinType::Double: |
4825 | case clang::BuiltinType::LongDouble: |
4826 | case clang::BuiltinType::BFloat16: |
4827 | return lldb::eEncodingIEEE754; |
4828 | |
4829 | case clang::BuiltinType::ObjCClass: |
4830 | case clang::BuiltinType::ObjCId: |
4831 | case clang::BuiltinType::ObjCSel: |
4832 | return lldb::eEncodingUint; |
4833 | |
4834 | case clang::BuiltinType::NullPtr: |
4835 | return lldb::eEncodingUint; |
4836 | |
4837 | case clang::BuiltinType::Kind::ARCUnbridgedCast: |
4838 | case clang::BuiltinType::Kind::BoundMember: |
4839 | case clang::BuiltinType::Kind::BuiltinFn: |
4840 | case clang::BuiltinType::Kind::Dependent: |
4841 | case clang::BuiltinType::Kind::OCLClkEvent: |
4842 | case clang::BuiltinType::Kind::OCLEvent: |
4843 | case clang::BuiltinType::Kind::OCLImage1dRO: |
4844 | case clang::BuiltinType::Kind::OCLImage1dWO: |
4845 | case clang::BuiltinType::Kind::OCLImage1dRW: |
4846 | case clang::BuiltinType::Kind::OCLImage1dArrayRO: |
4847 | case clang::BuiltinType::Kind::OCLImage1dArrayWO: |
4848 | case clang::BuiltinType::Kind::OCLImage1dArrayRW: |
4849 | case clang::BuiltinType::Kind::OCLImage1dBufferRO: |
4850 | case clang::BuiltinType::Kind::OCLImage1dBufferWO: |
4851 | case clang::BuiltinType::Kind::OCLImage1dBufferRW: |
4852 | case clang::BuiltinType::Kind::OCLImage2dRO: |
4853 | case clang::BuiltinType::Kind::OCLImage2dWO: |
4854 | case clang::BuiltinType::Kind::OCLImage2dRW: |
4855 | case clang::BuiltinType::Kind::OCLImage2dArrayRO: |
4856 | case clang::BuiltinType::Kind::OCLImage2dArrayWO: |
4857 | case clang::BuiltinType::Kind::OCLImage2dArrayRW: |
4858 | case clang::BuiltinType::Kind::OCLImage2dArrayDepthRO: |
4859 | case clang::BuiltinType::Kind::OCLImage2dArrayDepthWO: |
4860 | case clang::BuiltinType::Kind::OCLImage2dArrayDepthRW: |
4861 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAARO: |
4862 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAAWO: |
4863 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAARW: |
4864 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAADepthRO: |
4865 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAADepthWO: |
4866 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAADepthRW: |
4867 | case clang::BuiltinType::Kind::OCLImage2dDepthRO: |
4868 | case clang::BuiltinType::Kind::OCLImage2dDepthWO: |
4869 | case clang::BuiltinType::Kind::OCLImage2dDepthRW: |
4870 | case clang::BuiltinType::Kind::OCLImage2dMSAARO: |
4871 | case clang::BuiltinType::Kind::OCLImage2dMSAAWO: |
4872 | case clang::BuiltinType::Kind::OCLImage2dMSAARW: |
4873 | case clang::BuiltinType::Kind::OCLImage2dMSAADepthRO: |
4874 | case clang::BuiltinType::Kind::OCLImage2dMSAADepthWO: |
4875 | case clang::BuiltinType::Kind::OCLImage2dMSAADepthRW: |
4876 | case clang::BuiltinType::Kind::OCLImage3dRO: |
4877 | case clang::BuiltinType::Kind::OCLImage3dWO: |
4878 | case clang::BuiltinType::Kind::OCLImage3dRW: |
4879 | case clang::BuiltinType::Kind::OCLQueue: |
4880 | case clang::BuiltinType::Kind::OCLReserveID: |
4881 | case clang::BuiltinType::Kind::OCLSampler: |
4882 | case clang::BuiltinType::Kind::OMPArraySection: |
4883 | case clang::BuiltinType::Kind::OMPArrayShaping: |
4884 | case clang::BuiltinType::Kind::OMPIterator: |
4885 | case clang::BuiltinType::Kind::Overload: |
4886 | case clang::BuiltinType::Kind::PseudoObject: |
4887 | case clang::BuiltinType::Kind::UnknownAny: |
4888 | break; |
4889 | |
4890 | case clang::BuiltinType::OCLIntelSubgroupAVCMcePayload: |
4891 | case clang::BuiltinType::OCLIntelSubgroupAVCImePayload: |
4892 | case clang::BuiltinType::OCLIntelSubgroupAVCRefPayload: |
4893 | case clang::BuiltinType::OCLIntelSubgroupAVCSicPayload: |
4894 | case clang::BuiltinType::OCLIntelSubgroupAVCMceResult: |
4895 | case clang::BuiltinType::OCLIntelSubgroupAVCImeResult: |
4896 | case clang::BuiltinType::OCLIntelSubgroupAVCRefResult: |
4897 | case clang::BuiltinType::OCLIntelSubgroupAVCSicResult: |
4898 | case clang::BuiltinType::OCLIntelSubgroupAVCImeResultSingleRefStreamout: |
4899 | case clang::BuiltinType::OCLIntelSubgroupAVCImeResultDualRefStreamout: |
4900 | case clang::BuiltinType::OCLIntelSubgroupAVCImeSingleRefStreamin: |
4901 | case clang::BuiltinType::OCLIntelSubgroupAVCImeDualRefStreamin: |
4902 | break; |
4903 | |
4904 | // PowerPC -- Matrix Multiply Assist |
4905 | case clang::BuiltinType::VectorPair: |
4906 | case clang::BuiltinType::VectorQuad: |
4907 | break; |
4908 | |
4909 | // ARM -- Scalable Vector Extension |
4910 | case clang::BuiltinType::SveBool: |
4911 | case clang::BuiltinType::SveInt8: |
4912 | case clang::BuiltinType::SveInt8x2: |
4913 | case clang::BuiltinType::SveInt8x3: |
4914 | case clang::BuiltinType::SveInt8x4: |
4915 | case clang::BuiltinType::SveInt16: |
4916 | case clang::BuiltinType::SveInt16x2: |
4917 | case clang::BuiltinType::SveInt16x3: |
4918 | case clang::BuiltinType::SveInt16x4: |
4919 | case clang::BuiltinType::SveInt32: |
4920 | case clang::BuiltinType::SveInt32x2: |
4921 | case clang::BuiltinType::SveInt32x3: |
4922 | case clang::BuiltinType::SveInt32x4: |
4923 | case clang::BuiltinType::SveInt64: |
4924 | case clang::BuiltinType::SveInt64x2: |
4925 | case clang::BuiltinType::SveInt64x3: |
4926 | case clang::BuiltinType::SveInt64x4: |
4927 | case clang::BuiltinType::SveUint8: |
4928 | case clang::BuiltinType::SveUint8x2: |
4929 | case clang::BuiltinType::SveUint8x3: |
4930 | case clang::BuiltinType::SveUint8x4: |
4931 | case clang::BuiltinType::SveUint16: |
4932 | case clang::BuiltinType::SveUint16x2: |
4933 | case clang::BuiltinType::SveUint16x3: |
4934 | case clang::BuiltinType::SveUint16x4: |
4935 | case clang::BuiltinType::SveUint32: |
4936 | case clang::BuiltinType::SveUint32x2: |
4937 | case clang::BuiltinType::SveUint32x3: |
4938 | case clang::BuiltinType::SveUint32x4: |
4939 | case clang::BuiltinType::SveUint64: |
4940 | case clang::BuiltinType::SveUint64x2: |
4941 | case clang::BuiltinType::SveUint64x3: |
4942 | case clang::BuiltinType::SveUint64x4: |
4943 | case clang::BuiltinType::SveFloat16: |
4944 | case clang::BuiltinType::SveBFloat16: |
4945 | case clang::BuiltinType::SveBFloat16x2: |
4946 | case clang::BuiltinType::SveBFloat16x3: |
4947 | case clang::BuiltinType::SveBFloat16x4: |
4948 | case clang::BuiltinType::SveFloat16x2: |
4949 | case clang::BuiltinType::SveFloat16x3: |
4950 | case clang::BuiltinType::SveFloat16x4: |
4951 | case clang::BuiltinType::SveFloat32: |
4952 | case clang::BuiltinType::SveFloat32x2: |
4953 | case clang::BuiltinType::SveFloat32x3: |
4954 | case clang::BuiltinType::SveFloat32x4: |
4955 | case clang::BuiltinType::SveFloat64: |
4956 | case clang::BuiltinType::SveFloat64x2: |
4957 | case clang::BuiltinType::SveFloat64x3: |
4958 | case clang::BuiltinType::SveFloat64x4: |
4959 | break; |
4960 | |
4961 | // RISC-V V builtin types. |
4962 | case clang::BuiltinType::RvvInt8mf8: |
4963 | case clang::BuiltinType::RvvInt8mf4: |
4964 | case clang::BuiltinType::RvvInt8mf2: |
4965 | case clang::BuiltinType::RvvInt8m1: |
4966 | case clang::BuiltinType::RvvInt8m2: |
4967 | case clang::BuiltinType::RvvInt8m4: |
4968 | case clang::BuiltinType::RvvInt8m8: |
4969 | case clang::BuiltinType::RvvUint8mf8: |
4970 | case clang::BuiltinType::RvvUint8mf4: |
4971 | case clang::BuiltinType::RvvUint8mf2: |
4972 | case clang::BuiltinType::RvvUint8m1: |
4973 | case clang::BuiltinType::RvvUint8m2: |
4974 | case clang::BuiltinType::RvvUint8m4: |
4975 | case clang::BuiltinType::RvvUint8m8: |
4976 | case clang::BuiltinType::RvvInt16mf4: |
4977 | case clang::BuiltinType::RvvInt16mf2: |
4978 | case clang::BuiltinType::RvvInt16m1: |
4979 | case clang::BuiltinType::RvvInt16m2: |
4980 | case clang::BuiltinType::RvvInt16m4: |
4981 | case clang::BuiltinType::RvvInt16m8: |
4982 | case clang::BuiltinType::RvvUint16mf4: |
4983 | case clang::BuiltinType::RvvUint16mf2: |
4984 | case clang::BuiltinType::RvvUint16m1: |
4985 | case clang::BuiltinType::RvvUint16m2: |
4986 | case clang::BuiltinType::RvvUint16m4: |
4987 | case clang::BuiltinType::RvvUint16m8: |
4988 | case clang::BuiltinType::RvvInt32mf2: |
4989 | case clang::BuiltinType::RvvInt32m1: |
4990 | case clang::BuiltinType::RvvInt32m2: |
4991 | case clang::BuiltinType::RvvInt32m4: |
4992 | case clang::BuiltinType::RvvInt32m8: |
4993 | case clang::BuiltinType::RvvUint32mf2: |
4994 | case clang::BuiltinType::RvvUint32m1: |
4995 | case clang::BuiltinType::RvvUint32m2: |
4996 | case clang::BuiltinType::RvvUint32m4: |
4997 | case clang::BuiltinType::RvvUint32m8: |
4998 | case clang::BuiltinType::RvvInt64m1: |
4999 | case clang::BuiltinType::RvvInt64m2: |
5000 | case clang::BuiltinType::RvvInt64m4: |
5001 | case clang::BuiltinType::RvvInt64m8: |
5002 | case clang::BuiltinType::RvvUint64m1: |
5003 | case clang::BuiltinType::RvvUint64m2: |
5004 | case clang::BuiltinType::RvvUint64m4: |
5005 | case clang::BuiltinType::RvvUint64m8: |
5006 | case clang::BuiltinType::RvvFloat16mf4: |
5007 | case clang::BuiltinType::RvvFloat16mf2: |
5008 | case clang::BuiltinType::RvvFloat16m1: |
5009 | case clang::BuiltinType::RvvFloat16m2: |
5010 | case clang::BuiltinType::RvvFloat16m4: |
5011 | case clang::BuiltinType::RvvFloat16m8: |
5012 | case clang::BuiltinType::RvvFloat32mf2: |
5013 | case clang::BuiltinType::RvvFloat32m1: |
5014 | case clang::BuiltinType::RvvFloat32m2: |
5015 | case clang::BuiltinType::RvvFloat32m4: |
5016 | case clang::BuiltinType::RvvFloat32m8: |
5017 | case clang::BuiltinType::RvvFloat64m1: |
5018 | case clang::BuiltinType::RvvFloat64m2: |
5019 | case clang::BuiltinType::RvvFloat64m4: |
5020 | case clang::BuiltinType::RvvFloat64m8: |
5021 | case clang::BuiltinType::RvvBool1: |
5022 | case clang::BuiltinType::RvvBool2: |
5023 | case clang::BuiltinType::RvvBool4: |
5024 | case clang::BuiltinType::RvvBool8: |
5025 | case clang::BuiltinType::RvvBool16: |
5026 | case clang::BuiltinType::RvvBool32: |
5027 | case clang::BuiltinType::RvvBool64: |
5028 | break; |
5029 | |
5030 | case clang::BuiltinType::IncompleteMatrixIdx: |
5031 | break; |
5032 | } |
5033 | break; |
5034 | // All pointer types are represented as unsigned integer encodings. We may |
5035 | // nee to add a eEncodingPointer if we ever need to know the difference |
5036 | case clang::Type::ObjCObjectPointer: |
5037 | case clang::Type::BlockPointer: |
5038 | case clang::Type::Pointer: |
5039 | case clang::Type::LValueReference: |
5040 | case clang::Type::RValueReference: |
5041 | case clang::Type::MemberPointer: |
5042 | return lldb::eEncodingUint; |
5043 | case clang::Type::Complex: { |
5044 | lldb::Encoding encoding = lldb::eEncodingIEEE754; |
5045 | if (qual_type->isComplexType()) |
5046 | encoding = lldb::eEncodingIEEE754; |
5047 | else { |
5048 | const clang::ComplexType *complex_type = |
5049 | qual_type->getAsComplexIntegerType(); |
5050 | if (complex_type) |
5051 | encoding = GetType(complex_type->getElementType()).GetEncoding(count); |
5052 | else |
5053 | encoding = lldb::eEncodingSint; |
5054 | } |
5055 | count = 2; |
5056 | return encoding; |
5057 | } |
5058 | |
5059 | case clang::Type::ObjCInterface: |
5060 | break; |
5061 | case clang::Type::Record: |
5062 | break; |
5063 | case clang::Type::Enum: |
5064 | return lldb::eEncodingSint; |
5065 | case clang::Type::DependentSizedArray: |
5066 | case clang::Type::DependentSizedExtVector: |
5067 | case clang::Type::UnresolvedUsing: |
5068 | case clang::Type::Attributed: |
5069 | case clang::Type::TemplateTypeParm: |
5070 | case clang::Type::SubstTemplateTypeParm: |
5071 | case clang::Type::SubstTemplateTypeParmPack: |
5072 | case clang::Type::InjectedClassName: |
5073 | case clang::Type::DependentName: |
5074 | case clang::Type::DependentTemplateSpecialization: |
5075 | case clang::Type::PackExpansion: |
5076 | case clang::Type::ObjCObject: |
5077 | |
5078 | case clang::Type::TemplateSpecialization: |
5079 | case clang::Type::DeducedTemplateSpecialization: |
5080 | case clang::Type::Adjusted: |
5081 | case clang::Type::Pipe: |
5082 | break; |
5083 | |
5084 | // pointer type decayed from an array or function type. |
5085 | case clang::Type::Decayed: |
5086 | break; |
5087 | case clang::Type::ObjCTypeParam: |
5088 | break; |
5089 | |
5090 | case clang::Type::DependentAddressSpace: |
5091 | break; |
5092 | case clang::Type::MacroQualified: |
5093 | break; |
5094 | |
5095 | case clang::Type::ConstantMatrix: |
5096 | case clang::Type::DependentSizedMatrix: |
5097 | break; |
5098 | } |
5099 | count = 0; |
5100 | return lldb::eEncodingInvalid; |
5101 | } |
5102 | |
5103 | lldb::Format TypeSystemClang::GetFormat(lldb::opaque_compiler_type_t type) { |
5104 | if (!type) |
5105 | return lldb::eFormatDefault; |
5106 | |
5107 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
5108 | |
5109 | switch (qual_type->getTypeClass()) { |
5110 | case clang::Type::Atomic: |
5111 | case clang::Type::Auto: |
5112 | case clang::Type::Decltype: |
5113 | case clang::Type::Elaborated: |
5114 | case clang::Type::Paren: |
5115 | case clang::Type::Typedef: |
5116 | case clang::Type::TypeOf: |
5117 | case clang::Type::TypeOfExpr: |
5118 | llvm_unreachable("Handled in RemoveWrappingTypes!")__builtin_unreachable(); |
5119 | case clang::Type::UnaryTransform: |
5120 | break; |
5121 | |
5122 | case clang::Type::FunctionNoProto: |
5123 | case clang::Type::FunctionProto: |
5124 | break; |
5125 | |
5126 | case clang::Type::IncompleteArray: |
5127 | case clang::Type::VariableArray: |
5128 | break; |
5129 | |
5130 | case clang::Type::ConstantArray: |
5131 | return lldb::eFormatVoid; // no value |
5132 | |
5133 | case clang::Type::DependentVector: |
5134 | case clang::Type::ExtVector: |
5135 | case clang::Type::Vector: |
5136 | break; |
5137 | |
5138 | case clang::Type::ExtInt: |
5139 | case clang::Type::DependentExtInt: |
5140 | return qual_type->isUnsignedIntegerType() ? lldb::eFormatUnsigned |
5141 | : lldb::eFormatDecimal; |
5142 | |
5143 | case clang::Type::Builtin: |
5144 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
5145 | case clang::BuiltinType::UnknownAny: |
5146 | case clang::BuiltinType::Void: |
5147 | case clang::BuiltinType::BoundMember: |
5148 | break; |
5149 | |
5150 | case clang::BuiltinType::Bool: |
5151 | return lldb::eFormatBoolean; |
5152 | case clang::BuiltinType::Char_S: |
5153 | case clang::BuiltinType::SChar: |
5154 | case clang::BuiltinType::WChar_S: |
5155 | case clang::BuiltinType::Char_U: |
5156 | case clang::BuiltinType::UChar: |
5157 | case clang::BuiltinType::WChar_U: |
5158 | return lldb::eFormatChar; |
5159 | case clang::BuiltinType::Char16: |
5160 | return lldb::eFormatUnicode16; |
5161 | case clang::BuiltinType::Char32: |
5162 | return lldb::eFormatUnicode32; |
5163 | case clang::BuiltinType::UShort: |
5164 | return lldb::eFormatUnsigned; |
5165 | case clang::BuiltinType::Short: |
5166 | return lldb::eFormatDecimal; |
5167 | case clang::BuiltinType::UInt: |
5168 | return lldb::eFormatUnsigned; |
5169 | case clang::BuiltinType::Int: |
5170 | return lldb::eFormatDecimal; |
5171 | case clang::BuiltinType::ULong: |
5172 | return lldb::eFormatUnsigned; |
5173 | case clang::BuiltinType::Long: |
5174 | return lldb::eFormatDecimal; |
5175 | case clang::BuiltinType::ULongLong: |
5176 | return lldb::eFormatUnsigned; |
5177 | case clang::BuiltinType::LongLong: |
5178 | return lldb::eFormatDecimal; |
5179 | case clang::BuiltinType::UInt128: |
5180 | return lldb::eFormatUnsigned; |
5181 | case clang::BuiltinType::Int128: |
5182 | return lldb::eFormatDecimal; |
5183 | case clang::BuiltinType::Half: |
5184 | case clang::BuiltinType::Float: |
5185 | case clang::BuiltinType::Double: |
5186 | case clang::BuiltinType::LongDouble: |
5187 | return lldb::eFormatFloat; |
5188 | default: |
5189 | return lldb::eFormatHex; |
5190 | } |
5191 | break; |
5192 | case clang::Type::ObjCObjectPointer: |
5193 | return lldb::eFormatHex; |
5194 | case clang::Type::BlockPointer: |
5195 | return lldb::eFormatHex; |
5196 | case clang::Type::Pointer: |
5197 | return lldb::eFormatHex; |
5198 | case clang::Type::LValueReference: |
5199 | case clang::Type::RValueReference: |
5200 | return lldb::eFormatHex; |
5201 | case clang::Type::MemberPointer: |
5202 | break; |
5203 | case clang::Type::Complex: { |
5204 | if (qual_type->isComplexType()) |
5205 | return lldb::eFormatComplex; |
5206 | else |
5207 | return lldb::eFormatComplexInteger; |
5208 | } |
5209 | case clang::Type::ObjCInterface: |
5210 | break; |
5211 | case clang::Type::Record: |
5212 | break; |
5213 | case clang::Type::Enum: |
5214 | return lldb::eFormatEnum; |
5215 | case clang::Type::DependentSizedArray: |
5216 | case clang::Type::DependentSizedExtVector: |
5217 | case clang::Type::UnresolvedUsing: |
5218 | case clang::Type::Attributed: |
5219 | case clang::Type::TemplateTypeParm: |
5220 | case clang::Type::SubstTemplateTypeParm: |
5221 | case clang::Type::SubstTemplateTypeParmPack: |
5222 | case clang::Type::InjectedClassName: |
5223 | case clang::Type::DependentName: |
5224 | case clang::Type::DependentTemplateSpecialization: |
5225 | case clang::Type::PackExpansion: |
5226 | case clang::Type::ObjCObject: |
5227 | |
5228 | case clang::Type::TemplateSpecialization: |
5229 | case clang::Type::DeducedTemplateSpecialization: |
5230 | case clang::Type::Adjusted: |
5231 | case clang::Type::Pipe: |
5232 | break; |
5233 | |
5234 | // pointer type decayed from an array or function type. |
5235 | case clang::Type::Decayed: |
5236 | break; |
5237 | case clang::Type::ObjCTypeParam: |
5238 | break; |
5239 | |
5240 | case clang::Type::DependentAddressSpace: |
5241 | break; |
5242 | case clang::Type::MacroQualified: |
5243 | break; |
5244 | |
5245 | // Matrix types we're not sure how to display yet. |
5246 | case clang::Type::ConstantMatrix: |
5247 | case clang::Type::DependentSizedMatrix: |
5248 | break; |
5249 | } |
5250 | // We don't know hot to display this type... |
5251 | return lldb::eFormatBytes; |
5252 | } |
5253 | |
5254 | static bool ObjCDeclHasIVars(clang::ObjCInterfaceDecl *class_interface_decl, |
5255 | bool check_superclass) { |
5256 | while (class_interface_decl) { |
5257 | if (class_interface_decl->ivar_size() > 0) |
5258 | return true; |
5259 | |
5260 | if (check_superclass) |
5261 | class_interface_decl = class_interface_decl->getSuperClass(); |
5262 | else |
5263 | break; |
5264 | } |
5265 | return false; |
5266 | } |
5267 | |
5268 | static Optional<SymbolFile::ArrayInfo> |
5269 | GetDynamicArrayInfo(TypeSystemClang &ast, SymbolFile *sym_file, |
5270 | clang::QualType qual_type, |
5271 | const ExecutionContext *exe_ctx) { |
5272 | if (qual_type->isIncompleteArrayType()) |
5273 | if (auto *metadata = ast.GetMetadata(qual_type.getTypePtr())) |
5274 | return sym_file->GetDynamicArrayInfoForUID(metadata->GetUserID(), |
5275 | exe_ctx); |
5276 | return llvm::None; |
5277 | } |
5278 | |
5279 | uint32_t TypeSystemClang::GetNumChildren(lldb::opaque_compiler_type_t type, |
5280 | bool omit_empty_base_classes, |
5281 | const ExecutionContext *exe_ctx) { |
5282 | if (!type) |
5283 | return 0; |
5284 | |
5285 | uint32_t num_children = 0; |
5286 | clang::QualType qual_type(RemoveWrappingTypes(GetQualType(type))); |
5287 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
5288 | switch (type_class) { |
5289 | case clang::Type::Builtin: |
5290 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
5291 | case clang::BuiltinType::ObjCId: // child is Class |
5292 | case clang::BuiltinType::ObjCClass: // child is Class |
5293 | num_children = 1; |
5294 | break; |
5295 | |
5296 | default: |
5297 | break; |
5298 | } |
5299 | break; |
5300 | |
5301 | case clang::Type::Complex: |
5302 | return 0; |
5303 | case clang::Type::Record: |
5304 | if (GetCompleteQualType(&getASTContext(), qual_type)) { |
5305 | const clang::RecordType *record_type = |
5306 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
5307 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
5308 | assert(record_decl)((void)0); |
5309 | const clang::CXXRecordDecl *cxx_record_decl = |
5310 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
5311 | if (cxx_record_decl) { |
5312 | if (omit_empty_base_classes) { |
5313 | // Check each base classes to see if it or any of its base classes |
5314 | // contain any fields. This can help limit the noise in variable |
5315 | // views by not having to show base classes that contain no members. |
5316 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
5317 | base_class_end; |
5318 | for (base_class = cxx_record_decl->bases_begin(), |
5319 | base_class_end = cxx_record_decl->bases_end(); |
5320 | base_class != base_class_end; ++base_class) { |
5321 | const clang::CXXRecordDecl *base_class_decl = |
5322 | llvm::cast<clang::CXXRecordDecl>( |
5323 | base_class->getType() |
5324 | ->getAs<clang::RecordType>() |
5325 | ->getDecl()); |
5326 | |
5327 | // Skip empty base classes |
5328 | if (!TypeSystemClang::RecordHasFields(base_class_decl)) |
5329 | continue; |
5330 | |
5331 | num_children++; |
5332 | } |
5333 | } else { |
5334 | // Include all base classes |
5335 | num_children += cxx_record_decl->getNumBases(); |
5336 | } |
5337 | } |
5338 | clang::RecordDecl::field_iterator field, field_end; |
5339 | for (field = record_decl->field_begin(), |
5340 | field_end = record_decl->field_end(); |
5341 | field != field_end; ++field) |
5342 | ++num_children; |
5343 | } |
5344 | break; |
5345 | |
5346 | case clang::Type::ObjCObject: |
5347 | case clang::Type::ObjCInterface: |
5348 | if (GetCompleteQualType(&getASTContext(), qual_type)) { |
5349 | const clang::ObjCObjectType *objc_class_type = |
5350 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
5351 | assert(objc_class_type)((void)0); |
5352 | if (objc_class_type) { |
5353 | clang::ObjCInterfaceDecl *class_interface_decl = |
5354 | objc_class_type->getInterface(); |
5355 | |
5356 | if (class_interface_decl) { |
5357 | |
5358 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
5359 | class_interface_decl->getSuperClass(); |
5360 | if (superclass_interface_decl) { |
5361 | if (omit_empty_base_classes) { |
5362 | if (ObjCDeclHasIVars(superclass_interface_decl, true)) |
5363 | ++num_children; |
5364 | } else |
5365 | ++num_children; |
5366 | } |
5367 | |
5368 | num_children += class_interface_decl->ivar_size(); |
5369 | } |
5370 | } |
5371 | } |
5372 | break; |
5373 | |
5374 | case clang::Type::LValueReference: |
5375 | case clang::Type::RValueReference: |
5376 | case clang::Type::ObjCObjectPointer: { |
5377 | CompilerType pointee_clang_type(GetPointeeType(type)); |
5378 | |
5379 | uint32_t num_pointee_children = 0; |
5380 | if (pointee_clang_type.IsAggregateType()) |
5381 | num_pointee_children = |
5382 | pointee_clang_type.GetNumChildren(omit_empty_base_classes, exe_ctx); |
5383 | // If this type points to a simple type, then it has 1 child |
5384 | if (num_pointee_children == 0) |
5385 | num_children = 1; |
5386 | else |
5387 | num_children = num_pointee_children; |
5388 | } break; |
5389 | |
5390 | case clang::Type::Vector: |
5391 | case clang::Type::ExtVector: |
5392 | num_children = |
5393 | llvm::cast<clang::VectorType>(qual_type.getTypePtr())->getNumElements(); |
5394 | break; |
5395 | |
5396 | case clang::Type::ConstantArray: |
5397 | num_children = llvm::cast<clang::ConstantArrayType>(qual_type.getTypePtr()) |
5398 | ->getSize() |
5399 | .getLimitedValue(); |
5400 | break; |
5401 | case clang::Type::IncompleteArray: |
5402 | if (auto array_info = |
5403 | GetDynamicArrayInfo(*this, GetSymbolFile(), qual_type, exe_ctx)) |
5404 | // Only 1-dimensional arrays are supported. |
5405 | num_children = array_info->element_orders.size() |
5406 | ? array_info->element_orders.back() |
5407 | : 0; |
5408 | break; |
5409 | |
5410 | case clang::Type::Pointer: { |
5411 | const clang::PointerType *pointer_type = |
5412 | llvm::cast<clang::PointerType>(qual_type.getTypePtr()); |
5413 | clang::QualType pointee_type(pointer_type->getPointeeType()); |
5414 | CompilerType pointee_clang_type(GetType(pointee_type)); |
5415 | uint32_t num_pointee_children = 0; |
5416 | if (pointee_clang_type.IsAggregateType()) |
5417 | num_pointee_children = |
5418 | pointee_clang_type.GetNumChildren(omit_empty_base_classes, exe_ctx); |
5419 | if (num_pointee_children == 0) { |
5420 | // We have a pointer to a pointee type that claims it has no children. We |
5421 | // will want to look at |
5422 | num_children = GetNumPointeeChildren(pointee_type); |
5423 | } else |
5424 | num_children = num_pointee_children; |
5425 | } break; |
5426 | |
5427 | default: |
5428 | break; |
5429 | } |
5430 | return num_children; |
5431 | } |
5432 | |
5433 | CompilerType TypeSystemClang::GetBuiltinTypeByName(ConstString name) { |
5434 | return GetBasicType(GetBasicTypeEnumeration(name)); |
5435 | } |
5436 | |
5437 | lldb::BasicType |
5438 | TypeSystemClang::GetBasicTypeEnumeration(lldb::opaque_compiler_type_t type) { |
5439 | if (type) { |
5440 | clang::QualType qual_type(GetQualType(type)); |
5441 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
5442 | if (type_class == clang::Type::Builtin) { |
5443 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
5444 | case clang::BuiltinType::Void: |
5445 | return eBasicTypeVoid; |
5446 | case clang::BuiltinType::Bool: |
5447 | return eBasicTypeBool; |
5448 | case clang::BuiltinType::Char_S: |
5449 | return eBasicTypeSignedChar; |
5450 | case clang::BuiltinType::Char_U: |
5451 | return eBasicTypeUnsignedChar; |
5452 | case clang::BuiltinType::Char16: |
5453 | return eBasicTypeChar16; |
5454 | case clang::BuiltinType::Char32: |
5455 | return eBasicTypeChar32; |
5456 | case clang::BuiltinType::UChar: |
5457 | return eBasicTypeUnsignedChar; |
5458 | case clang::BuiltinType::SChar: |
5459 | return eBasicTypeSignedChar; |
5460 | case clang::BuiltinType::WChar_S: |
5461 | return eBasicTypeSignedWChar; |
5462 | case clang::BuiltinType::WChar_U: |
5463 | return eBasicTypeUnsignedWChar; |
5464 | case clang::BuiltinType::Short: |
5465 | return eBasicTypeShort; |
5466 | case clang::BuiltinType::UShort: |
5467 | return eBasicTypeUnsignedShort; |
5468 | case clang::BuiltinType::Int: |
5469 | return eBasicTypeInt; |
5470 | case clang::BuiltinType::UInt: |
5471 | return eBasicTypeUnsignedInt; |
5472 | case clang::BuiltinType::Long: |
5473 | return eBasicTypeLong; |
5474 | case clang::BuiltinType::ULong: |
5475 | return eBasicTypeUnsignedLong; |
5476 | case clang::BuiltinType::LongLong: |
5477 | return eBasicTypeLongLong; |
5478 | case clang::BuiltinType::ULongLong: |
5479 | return eBasicTypeUnsignedLongLong; |
5480 | case clang::BuiltinType::Int128: |
5481 | return eBasicTypeInt128; |
5482 | case clang::BuiltinType::UInt128: |
5483 | return eBasicTypeUnsignedInt128; |
5484 | |
5485 | case clang::BuiltinType::Half: |
5486 | return eBasicTypeHalf; |
5487 | case clang::BuiltinType::Float: |
5488 | return eBasicTypeFloat; |
5489 | case clang::BuiltinType::Double: |
5490 | return eBasicTypeDouble; |
5491 | case clang::BuiltinType::LongDouble: |
5492 | return eBasicTypeLongDouble; |
5493 | |
5494 | case clang::BuiltinType::NullPtr: |
5495 | return eBasicTypeNullPtr; |
5496 | case clang::BuiltinType::ObjCId: |
5497 | return eBasicTypeObjCID; |
5498 | case clang::BuiltinType::ObjCClass: |
5499 | return eBasicTypeObjCClass; |
5500 | case clang::BuiltinType::ObjCSel: |
5501 | return eBasicTypeObjCSel; |
5502 | default: |
5503 | return eBasicTypeOther; |
5504 | } |
5505 | } |
5506 | } |
5507 | return eBasicTypeInvalid; |
5508 | } |
5509 | |
5510 | void TypeSystemClang::ForEachEnumerator( |
5511 | lldb::opaque_compiler_type_t type, |
5512 | std::function<bool(const CompilerType &integer_type, |
5513 | ConstString name, |
5514 | const llvm::APSInt &value)> const &callback) { |
5515 | const clang::EnumType *enum_type = |
5516 | llvm::dyn_cast<clang::EnumType>(GetCanonicalQualType(type)); |
5517 | if (enum_type) { |
5518 | const clang::EnumDecl *enum_decl = enum_type->getDecl(); |
5519 | if (enum_decl) { |
5520 | CompilerType integer_type = GetType(enum_decl->getIntegerType()); |
5521 | |
5522 | clang::EnumDecl::enumerator_iterator enum_pos, enum_end_pos; |
5523 | for (enum_pos = enum_decl->enumerator_begin(), |
5524 | enum_end_pos = enum_decl->enumerator_end(); |
5525 | enum_pos != enum_end_pos; ++enum_pos) { |
5526 | ConstString name(enum_pos->getNameAsString().c_str()); |
5527 | if (!callback(integer_type, name, enum_pos->getInitVal())) |
5528 | break; |
5529 | } |
5530 | } |
5531 | } |
5532 | } |
5533 | |
5534 | #pragma mark Aggregate Types |
5535 | |
5536 | uint32_t TypeSystemClang::GetNumFields(lldb::opaque_compiler_type_t type) { |
5537 | if (!type) |
5538 | return 0; |
5539 | |
5540 | uint32_t count = 0; |
5541 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
5542 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
5543 | switch (type_class) { |
5544 | case clang::Type::Record: |
5545 | if (GetCompleteType(type)) { |
5546 | const clang::RecordType *record_type = |
5547 | llvm::dyn_cast<clang::RecordType>(qual_type.getTypePtr()); |
5548 | if (record_type) { |
5549 | clang::RecordDecl *record_decl = record_type->getDecl(); |
5550 | if (record_decl) { |
5551 | uint32_t field_idx = 0; |
5552 | clang::RecordDecl::field_iterator field, field_end; |
5553 | for (field = record_decl->field_begin(), |
5554 | field_end = record_decl->field_end(); |
5555 | field != field_end; ++field) |
5556 | ++field_idx; |
5557 | count = field_idx; |
5558 | } |
5559 | } |
5560 | } |
5561 | break; |
5562 | |
5563 | case clang::Type::ObjCObjectPointer: { |
5564 | const clang::ObjCObjectPointerType *objc_class_type = |
5565 | qual_type->getAs<clang::ObjCObjectPointerType>(); |
5566 | const clang::ObjCInterfaceType *objc_interface_type = |
5567 | objc_class_type->getInterfaceType(); |
5568 | if (objc_interface_type && |
5569 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( |
5570 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { |
5571 | clang::ObjCInterfaceDecl *class_interface_decl = |
5572 | objc_interface_type->getDecl(); |
5573 | if (class_interface_decl) { |
5574 | count = class_interface_decl->ivar_size(); |
5575 | } |
5576 | } |
5577 | break; |
5578 | } |
5579 | |
5580 | case clang::Type::ObjCObject: |
5581 | case clang::Type::ObjCInterface: |
5582 | if (GetCompleteType(type)) { |
5583 | const clang::ObjCObjectType *objc_class_type = |
5584 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
5585 | if (objc_class_type) { |
5586 | clang::ObjCInterfaceDecl *class_interface_decl = |
5587 | objc_class_type->getInterface(); |
5588 | |
5589 | if (class_interface_decl) |
5590 | count = class_interface_decl->ivar_size(); |
5591 | } |
5592 | } |
5593 | break; |
5594 | |
5595 | default: |
5596 | break; |
5597 | } |
5598 | return count; |
5599 | } |
5600 | |
5601 | static lldb::opaque_compiler_type_t |
5602 | GetObjCFieldAtIndex(clang::ASTContext *ast, |
5603 | clang::ObjCInterfaceDecl *class_interface_decl, size_t idx, |
5604 | std::string &name, uint64_t *bit_offset_ptr, |
5605 | uint32_t *bitfield_bit_size_ptr, bool *is_bitfield_ptr) { |
5606 | if (class_interface_decl) { |
5607 | if (idx < (class_interface_decl->ivar_size())) { |
5608 | clang::ObjCInterfaceDecl::ivar_iterator ivar_pos, |
5609 | ivar_end = class_interface_decl->ivar_end(); |
5610 | uint32_t ivar_idx = 0; |
5611 | |
5612 | for (ivar_pos = class_interface_decl->ivar_begin(); ivar_pos != ivar_end; |
5613 | ++ivar_pos, ++ivar_idx) { |
5614 | if (ivar_idx == idx) { |
5615 | const clang::ObjCIvarDecl *ivar_decl = *ivar_pos; |
5616 | |
5617 | clang::QualType ivar_qual_type(ivar_decl->getType()); |
5618 | |
5619 | name.assign(ivar_decl->getNameAsString()); |
5620 | |
5621 | if (bit_offset_ptr) { |
5622 | const clang::ASTRecordLayout &interface_layout = |
5623 | ast->getASTObjCInterfaceLayout(class_interface_decl); |
5624 | *bit_offset_ptr = interface_layout.getFieldOffset(ivar_idx); |
5625 | } |
5626 | |
5627 | const bool is_bitfield = ivar_pos->isBitField(); |
5628 | |
5629 | if (bitfield_bit_size_ptr) { |
5630 | *bitfield_bit_size_ptr = 0; |
5631 | |
5632 | if (is_bitfield && ast) { |
5633 | clang::Expr *bitfield_bit_size_expr = ivar_pos->getBitWidth(); |
5634 | clang::Expr::EvalResult result; |
5635 | if (bitfield_bit_size_expr && |
5636 | bitfield_bit_size_expr->EvaluateAsInt(result, *ast)) { |
5637 | llvm::APSInt bitfield_apsint = result.Val.getInt(); |
5638 | *bitfield_bit_size_ptr = bitfield_apsint.getLimitedValue(); |
5639 | } |
5640 | } |
5641 | } |
5642 | if (is_bitfield_ptr) |
5643 | *is_bitfield_ptr = is_bitfield; |
5644 | |
5645 | return ivar_qual_type.getAsOpaquePtr(); |
5646 | } |
5647 | } |
5648 | } |
5649 | } |
5650 | return nullptr; |
5651 | } |
5652 | |
5653 | CompilerType TypeSystemClang::GetFieldAtIndex(lldb::opaque_compiler_type_t type, |
5654 | size_t idx, std::string &name, |
5655 | uint64_t *bit_offset_ptr, |
5656 | uint32_t *bitfield_bit_size_ptr, |
5657 | bool *is_bitfield_ptr) { |
5658 | if (!type) |
5659 | return CompilerType(); |
5660 | |
5661 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
5662 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
5663 | switch (type_class) { |
5664 | case clang::Type::Record: |
5665 | if (GetCompleteType(type)) { |
5666 | const clang::RecordType *record_type = |
5667 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
5668 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
5669 | uint32_t field_idx = 0; |
5670 | clang::RecordDecl::field_iterator field, field_end; |
5671 | for (field = record_decl->field_begin(), |
5672 | field_end = record_decl->field_end(); |
5673 | field != field_end; ++field, ++field_idx) { |
5674 | if (idx == field_idx) { |
5675 | // Print the member type if requested |
5676 | // Print the member name and equal sign |
5677 | name.assign(field->getNameAsString()); |
5678 | |
5679 | // Figure out the type byte size (field_type_info.first) and |
5680 | // alignment (field_type_info.second) from the AST context. |
5681 | if (bit_offset_ptr) { |
5682 | const clang::ASTRecordLayout &record_layout = |
5683 | getASTContext().getASTRecordLayout(record_decl); |
5684 | *bit_offset_ptr = record_layout.getFieldOffset(field_idx); |
5685 | } |
5686 | |
5687 | const bool is_bitfield = field->isBitField(); |
5688 | |
5689 | if (bitfield_bit_size_ptr) { |
5690 | *bitfield_bit_size_ptr = 0; |
5691 | |
5692 | if (is_bitfield) { |
5693 | clang::Expr *bitfield_bit_size_expr = field->getBitWidth(); |
5694 | clang::Expr::EvalResult result; |
5695 | if (bitfield_bit_size_expr && |
5696 | bitfield_bit_size_expr->EvaluateAsInt(result, |
5697 | getASTContext())) { |
5698 | llvm::APSInt bitfield_apsint = result.Val.getInt(); |
5699 | *bitfield_bit_size_ptr = bitfield_apsint.getLimitedValue(); |
5700 | } |
5701 | } |
5702 | } |
5703 | if (is_bitfield_ptr) |
5704 | *is_bitfield_ptr = is_bitfield; |
5705 | |
5706 | return GetType(field->getType()); |
5707 | } |
5708 | } |
5709 | } |
5710 | break; |
5711 | |
5712 | case clang::Type::ObjCObjectPointer: { |
5713 | const clang::ObjCObjectPointerType *objc_class_type = |
5714 | qual_type->getAs<clang::ObjCObjectPointerType>(); |
5715 | const clang::ObjCInterfaceType *objc_interface_type = |
5716 | objc_class_type->getInterfaceType(); |
5717 | if (objc_interface_type && |
5718 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( |
5719 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { |
5720 | clang::ObjCInterfaceDecl *class_interface_decl = |
5721 | objc_interface_type->getDecl(); |
5722 | if (class_interface_decl) { |
5723 | return CompilerType( |
5724 | this, GetObjCFieldAtIndex(&getASTContext(), class_interface_decl, |
5725 | idx, name, bit_offset_ptr, |
5726 | bitfield_bit_size_ptr, is_bitfield_ptr)); |
5727 | } |
5728 | } |
5729 | break; |
5730 | } |
5731 | |
5732 | case clang::Type::ObjCObject: |
5733 | case clang::Type::ObjCInterface: |
5734 | if (GetCompleteType(type)) { |
5735 | const clang::ObjCObjectType *objc_class_type = |
5736 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
5737 | assert(objc_class_type)((void)0); |
5738 | if (objc_class_type) { |
5739 | clang::ObjCInterfaceDecl *class_interface_decl = |
5740 | objc_class_type->getInterface(); |
5741 | return CompilerType( |
5742 | this, GetObjCFieldAtIndex(&getASTContext(), class_interface_decl, |
5743 | idx, name, bit_offset_ptr, |
5744 | bitfield_bit_size_ptr, is_bitfield_ptr)); |
5745 | } |
5746 | } |
5747 | break; |
5748 | |
5749 | default: |
5750 | break; |
5751 | } |
5752 | return CompilerType(); |
5753 | } |
5754 | |
5755 | uint32_t |
5756 | TypeSystemClang::GetNumDirectBaseClasses(lldb::opaque_compiler_type_t type) { |
5757 | uint32_t count = 0; |
5758 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
5759 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
5760 | switch (type_class) { |
5761 | case clang::Type::Record: |
5762 | if (GetCompleteType(type)) { |
5763 | const clang::CXXRecordDecl *cxx_record_decl = |
5764 | qual_type->getAsCXXRecordDecl(); |
5765 | if (cxx_record_decl) |
5766 | count = cxx_record_decl->getNumBases(); |
5767 | } |
5768 | break; |
5769 | |
5770 | case clang::Type::ObjCObjectPointer: |
5771 | count = GetPointeeType(type).GetNumDirectBaseClasses(); |
5772 | break; |
5773 | |
5774 | case clang::Type::ObjCObject: |
5775 | if (GetCompleteType(type)) { |
5776 | const clang::ObjCObjectType *objc_class_type = |
5777 | qual_type->getAsObjCQualifiedInterfaceType(); |
5778 | if (objc_class_type) { |
5779 | clang::ObjCInterfaceDecl *class_interface_decl = |
5780 | objc_class_type->getInterface(); |
5781 | |
5782 | if (class_interface_decl && class_interface_decl->getSuperClass()) |
5783 | count = 1; |
5784 | } |
5785 | } |
5786 | break; |
5787 | case clang::Type::ObjCInterface: |
5788 | if (GetCompleteType(type)) { |
5789 | const clang::ObjCInterfaceType *objc_interface_type = |
5790 | qual_type->getAs<clang::ObjCInterfaceType>(); |
5791 | if (objc_interface_type) { |
5792 | clang::ObjCInterfaceDecl *class_interface_decl = |
5793 | objc_interface_type->getInterface(); |
5794 | |
5795 | if (class_interface_decl && class_interface_decl->getSuperClass()) |
5796 | count = 1; |
5797 | } |
5798 | } |
5799 | break; |
5800 | |
5801 | default: |
5802 | break; |
5803 | } |
5804 | return count; |
5805 | } |
5806 | |
5807 | uint32_t |
5808 | TypeSystemClang::GetNumVirtualBaseClasses(lldb::opaque_compiler_type_t type) { |
5809 | uint32_t count = 0; |
5810 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
5811 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
5812 | switch (type_class) { |
5813 | case clang::Type::Record: |
5814 | if (GetCompleteType(type)) { |
5815 | const clang::CXXRecordDecl *cxx_record_decl = |
5816 | qual_type->getAsCXXRecordDecl(); |
5817 | if (cxx_record_decl) |
5818 | count = cxx_record_decl->getNumVBases(); |
5819 | } |
5820 | break; |
5821 | |
5822 | default: |
5823 | break; |
5824 | } |
5825 | return count; |
5826 | } |
5827 | |
5828 | CompilerType TypeSystemClang::GetDirectBaseClassAtIndex( |
5829 | lldb::opaque_compiler_type_t type, size_t idx, uint32_t *bit_offset_ptr) { |
5830 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
5831 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
5832 | switch (type_class) { |
5833 | case clang::Type::Record: |
5834 | if (GetCompleteType(type)) { |
5835 | const clang::CXXRecordDecl *cxx_record_decl = |
5836 | qual_type->getAsCXXRecordDecl(); |
5837 | if (cxx_record_decl) { |
5838 | uint32_t curr_idx = 0; |
5839 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
5840 | base_class_end; |
5841 | for (base_class = cxx_record_decl->bases_begin(), |
5842 | base_class_end = cxx_record_decl->bases_end(); |
5843 | base_class != base_class_end; ++base_class, ++curr_idx) { |
5844 | if (curr_idx == idx) { |
5845 | if (bit_offset_ptr) { |
5846 | const clang::ASTRecordLayout &record_layout = |
5847 | getASTContext().getASTRecordLayout(cxx_record_decl); |
5848 | const clang::CXXRecordDecl *base_class_decl = |
5849 | llvm::cast<clang::CXXRecordDecl>( |
5850 | base_class->getType() |
5851 | ->getAs<clang::RecordType>() |
5852 | ->getDecl()); |
5853 | if (base_class->isVirtual()) |
5854 | *bit_offset_ptr = |
5855 | record_layout.getVBaseClassOffset(base_class_decl) |
5856 | .getQuantity() * |
5857 | 8; |
5858 | else |
5859 | *bit_offset_ptr = |
5860 | record_layout.getBaseClassOffset(base_class_decl) |
5861 | .getQuantity() * |
5862 | 8; |
5863 | } |
5864 | return GetType(base_class->getType()); |
5865 | } |
5866 | } |
5867 | } |
5868 | } |
5869 | break; |
5870 | |
5871 | case clang::Type::ObjCObjectPointer: |
5872 | return GetPointeeType(type).GetDirectBaseClassAtIndex(idx, bit_offset_ptr); |
5873 | |
5874 | case clang::Type::ObjCObject: |
5875 | if (idx == 0 && GetCompleteType(type)) { |
5876 | const clang::ObjCObjectType *objc_class_type = |
5877 | qual_type->getAsObjCQualifiedInterfaceType(); |
5878 | if (objc_class_type) { |
5879 | clang::ObjCInterfaceDecl *class_interface_decl = |
5880 | objc_class_type->getInterface(); |
5881 | |
5882 | if (class_interface_decl) { |
5883 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
5884 | class_interface_decl->getSuperClass(); |
5885 | if (superclass_interface_decl) { |
5886 | if (bit_offset_ptr) |
5887 | *bit_offset_ptr = 0; |
5888 | return GetType(getASTContext().getObjCInterfaceType( |
5889 | superclass_interface_decl)); |
5890 | } |
5891 | } |
5892 | } |
5893 | } |
5894 | break; |
5895 | case clang::Type::ObjCInterface: |
5896 | if (idx == 0 && GetCompleteType(type)) { |
5897 | const clang::ObjCObjectType *objc_interface_type = |
5898 | qual_type->getAs<clang::ObjCInterfaceType>(); |
5899 | if (objc_interface_type) { |
5900 | clang::ObjCInterfaceDecl *class_interface_decl = |
5901 | objc_interface_type->getInterface(); |
5902 | |
5903 | if (class_interface_decl) { |
5904 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
5905 | class_interface_decl->getSuperClass(); |
5906 | if (superclass_interface_decl) { |
5907 | if (bit_offset_ptr) |
5908 | *bit_offset_ptr = 0; |
5909 | return GetType(getASTContext().getObjCInterfaceType( |
5910 | superclass_interface_decl)); |
5911 | } |
5912 | } |
5913 | } |
5914 | } |
5915 | break; |
5916 | |
5917 | default: |
5918 | break; |
5919 | } |
5920 | return CompilerType(); |
5921 | } |
5922 | |
5923 | CompilerType TypeSystemClang::GetVirtualBaseClassAtIndex( |
5924 | lldb::opaque_compiler_type_t type, size_t idx, uint32_t *bit_offset_ptr) { |
5925 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
5926 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
5927 | switch (type_class) { |
5928 | case clang::Type::Record: |
5929 | if (GetCompleteType(type)) { |
5930 | const clang::CXXRecordDecl *cxx_record_decl = |
5931 | qual_type->getAsCXXRecordDecl(); |
5932 | if (cxx_record_decl) { |
5933 | uint32_t curr_idx = 0; |
5934 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
5935 | base_class_end; |
5936 | for (base_class = cxx_record_decl->vbases_begin(), |
5937 | base_class_end = cxx_record_decl->vbases_end(); |
5938 | base_class != base_class_end; ++base_class, ++curr_idx) { |
5939 | if (curr_idx == idx) { |
5940 | if (bit_offset_ptr) { |
5941 | const clang::ASTRecordLayout &record_layout = |
5942 | getASTContext().getASTRecordLayout(cxx_record_decl); |
5943 | const clang::CXXRecordDecl *base_class_decl = |
5944 | llvm::cast<clang::CXXRecordDecl>( |
5945 | base_class->getType() |
5946 | ->getAs<clang::RecordType>() |
5947 | ->getDecl()); |
5948 | *bit_offset_ptr = |
5949 | record_layout.getVBaseClassOffset(base_class_decl) |
5950 | .getQuantity() * |
5951 | 8; |
5952 | } |
5953 | return GetType(base_class->getType()); |
5954 | } |
5955 | } |
5956 | } |
5957 | } |
5958 | break; |
5959 | |
5960 | default: |
5961 | break; |
5962 | } |
5963 | return CompilerType(); |
5964 | } |
5965 | |
5966 | // If a pointer to a pointee type (the clang_type arg) says that it has no |
5967 | // children, then we either need to trust it, or override it and return a |
5968 | // different result. For example, an "int *" has one child that is an integer, |
5969 | // but a function pointer doesn't have any children. Likewise if a Record type |
5970 | // claims it has no children, then there really is nothing to show. |
5971 | uint32_t TypeSystemClang::GetNumPointeeChildren(clang::QualType type) { |
5972 | if (type.isNull()) |
5973 | return 0; |
5974 | |
5975 | clang::QualType qual_type = RemoveWrappingTypes(type.getCanonicalType()); |
5976 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
5977 | switch (type_class) { |
5978 | case clang::Type::Builtin: |
5979 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
5980 | case clang::BuiltinType::UnknownAny: |
5981 | case clang::BuiltinType::Void: |
5982 | case clang::BuiltinType::NullPtr: |
5983 | case clang::BuiltinType::OCLEvent: |
5984 | case clang::BuiltinType::OCLImage1dRO: |
5985 | case clang::BuiltinType::OCLImage1dWO: |
5986 | case clang::BuiltinType::OCLImage1dRW: |
5987 | case clang::BuiltinType::OCLImage1dArrayRO: |
5988 | case clang::BuiltinType::OCLImage1dArrayWO: |
5989 | case clang::BuiltinType::OCLImage1dArrayRW: |
5990 | case clang::BuiltinType::OCLImage1dBufferRO: |
5991 | case clang::BuiltinType::OCLImage1dBufferWO: |
5992 | case clang::BuiltinType::OCLImage1dBufferRW: |
5993 | case clang::BuiltinType::OCLImage2dRO: |
5994 | case clang::BuiltinType::OCLImage2dWO: |
5995 | case clang::BuiltinType::OCLImage2dRW: |
5996 | case clang::BuiltinType::OCLImage2dArrayRO: |
5997 | case clang::BuiltinType::OCLImage2dArrayWO: |
5998 | case clang::BuiltinType::OCLImage2dArrayRW: |
5999 | case clang::BuiltinType::OCLImage3dRO: |
6000 | case clang::BuiltinType::OCLImage3dWO: |
6001 | case clang::BuiltinType::OCLImage3dRW: |
6002 | case clang::BuiltinType::OCLSampler: |
6003 | return 0; |
6004 | case clang::BuiltinType::Bool: |
6005 | case clang::BuiltinType::Char_U: |
6006 | case clang::BuiltinType::UChar: |
6007 | case clang::BuiltinType::WChar_U: |
6008 | case clang::BuiltinType::Char16: |
6009 | case clang::BuiltinType::Char32: |
6010 | case clang::BuiltinType::UShort: |
6011 | case clang::BuiltinType::UInt: |
6012 | case clang::BuiltinType::ULong: |
6013 | case clang::BuiltinType::ULongLong: |
6014 | case clang::BuiltinType::UInt128: |
6015 | case clang::BuiltinType::Char_S: |
6016 | case clang::BuiltinType::SChar: |
6017 | case clang::BuiltinType::WChar_S: |
6018 | case clang::BuiltinType::Short: |
6019 | case clang::BuiltinType::Int: |
6020 | case clang::BuiltinType::Long: |
6021 | case clang::BuiltinType::LongLong: |
6022 | case clang::BuiltinType::Int128: |
6023 | case clang::BuiltinType::Float: |
6024 | case clang::BuiltinType::Double: |
6025 | case clang::BuiltinType::LongDouble: |
6026 | case clang::BuiltinType::Dependent: |
6027 | case clang::BuiltinType::Overload: |
6028 | case clang::BuiltinType::ObjCId: |
6029 | case clang::BuiltinType::ObjCClass: |
6030 | case clang::BuiltinType::ObjCSel: |
6031 | case clang::BuiltinType::BoundMember: |
6032 | case clang::BuiltinType::Half: |
6033 | case clang::BuiltinType::ARCUnbridgedCast: |
6034 | case clang::BuiltinType::PseudoObject: |
6035 | case clang::BuiltinType::BuiltinFn: |
6036 | case clang::BuiltinType::OMPArraySection: |
6037 | return 1; |
6038 | default: |
6039 | return 0; |
6040 | } |
6041 | break; |
6042 | |
6043 | case clang::Type::Complex: |
6044 | return 1; |
6045 | case clang::Type::Pointer: |
6046 | return 1; |
6047 | case clang::Type::BlockPointer: |
6048 | return 0; // If block pointers don't have debug info, then no children for |
6049 | // them |
6050 | case clang::Type::LValueReference: |
6051 | return 1; |
6052 | case clang::Type::RValueReference: |
6053 | return 1; |
6054 | case clang::Type::MemberPointer: |
6055 | return 0; |
6056 | case clang::Type::ConstantArray: |
6057 | return 0; |
6058 | case clang::Type::IncompleteArray: |
6059 | return 0; |
6060 | case clang::Type::VariableArray: |
6061 | return 0; |
6062 | case clang::Type::DependentSizedArray: |
6063 | return 0; |
6064 | case clang::Type::DependentSizedExtVector: |
6065 | return 0; |
6066 | case clang::Type::Vector: |
6067 | return 0; |
6068 | case clang::Type::ExtVector: |
6069 | return 0; |
6070 | case clang::Type::FunctionProto: |
6071 | return 0; // When we function pointers, they have no children... |
6072 | case clang::Type::FunctionNoProto: |
6073 | return 0; // When we function pointers, they have no children... |
6074 | case clang::Type::UnresolvedUsing: |
6075 | return 0; |
6076 | case clang::Type::Record: |
6077 | return 0; |
6078 | case clang::Type::Enum: |
6079 | return 1; |
6080 | case clang::Type::TemplateTypeParm: |
6081 | return 1; |
6082 | case clang::Type::SubstTemplateTypeParm: |
6083 | return 1; |
6084 | case clang::Type::TemplateSpecialization: |
6085 | return 1; |
6086 | case clang::Type::InjectedClassName: |
6087 | return 0; |
6088 | case clang::Type::DependentName: |
6089 | return 1; |
6090 | case clang::Type::DependentTemplateSpecialization: |
6091 | return 1; |
6092 | case clang::Type::ObjCObject: |
6093 | return 0; |
6094 | case clang::Type::ObjCInterface: |
6095 | return 0; |
6096 | case clang::Type::ObjCObjectPointer: |
6097 | return 1; |
6098 | default: |
6099 | break; |
6100 | } |
6101 | return 0; |
6102 | } |
6103 | |
6104 | CompilerType TypeSystemClang::GetChildCompilerTypeAtIndex( |
6105 | lldb::opaque_compiler_type_t type, ExecutionContext *exe_ctx, size_t idx, |
6106 | bool transparent_pointers, bool omit_empty_base_classes, |
6107 | bool ignore_array_bounds, std::string &child_name, |
6108 | uint32_t &child_byte_size, int32_t &child_byte_offset, |
6109 | uint32_t &child_bitfield_bit_size, uint32_t &child_bitfield_bit_offset, |
6110 | bool &child_is_base_class, bool &child_is_deref_of_parent, |
6111 | ValueObject *valobj, uint64_t &language_flags) { |
6112 | if (!type) |
6113 | return CompilerType(); |
6114 | |
6115 | auto get_exe_scope = [&exe_ctx]() { |
6116 | return exe_ctx ? exe_ctx->GetBestExecutionContextScope() : nullptr; |
6117 | }; |
6118 | |
6119 | clang::QualType parent_qual_type( |
6120 | RemoveWrappingTypes(GetCanonicalQualType(type))); |
6121 | const clang::Type::TypeClass parent_type_class = |
6122 | parent_qual_type->getTypeClass(); |
6123 | child_bitfield_bit_size = 0; |
6124 | child_bitfield_bit_offset = 0; |
6125 | child_is_base_class = false; |
6126 | language_flags = 0; |
6127 | |
6128 | const bool idx_is_valid = |
6129 | idx < GetNumChildren(type, omit_empty_base_classes, exe_ctx); |
6130 | int32_t bit_offset; |
6131 | switch (parent_type_class) { |
6132 | case clang::Type::Builtin: |
6133 | if (idx_is_valid) { |
6134 | switch (llvm::cast<clang::BuiltinType>(parent_qual_type)->getKind()) { |
6135 | case clang::BuiltinType::ObjCId: |
6136 | case clang::BuiltinType::ObjCClass: |
6137 | child_name = "isa"; |
6138 | child_byte_size = |
6139 | getASTContext().getTypeSize(getASTContext().ObjCBuiltinClassTy) / |
6140 | CHAR_BIT8; |
6141 | return GetType(getASTContext().ObjCBuiltinClassTy); |
6142 | |
6143 | default: |
6144 | break; |
6145 | } |
6146 | } |
6147 | break; |
6148 | |
6149 | case clang::Type::Record: |
6150 | if (idx_is_valid && GetCompleteType(type)) { |
6151 | const clang::RecordType *record_type = |
6152 | llvm::cast<clang::RecordType>(parent_qual_type.getTypePtr()); |
6153 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
6154 | assert(record_decl)((void)0); |
6155 | const clang::ASTRecordLayout &record_layout = |
6156 | getASTContext().getASTRecordLayout(record_decl); |
6157 | uint32_t child_idx = 0; |
6158 | |
6159 | const clang::CXXRecordDecl *cxx_record_decl = |
6160 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
6161 | if (cxx_record_decl) { |
6162 | // We might have base classes to print out first |
6163 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
6164 | base_class_end; |
6165 | for (base_class = cxx_record_decl->bases_begin(), |
6166 | base_class_end = cxx_record_decl->bases_end(); |
6167 | base_class != base_class_end; ++base_class) { |
6168 | const clang::CXXRecordDecl *base_class_decl = nullptr; |
6169 | |
6170 | // Skip empty base classes |
6171 | if (omit_empty_base_classes) { |
6172 | base_class_decl = llvm::cast<clang::CXXRecordDecl>( |
6173 | base_class->getType()->getAs<clang::RecordType>()->getDecl()); |
6174 | if (!TypeSystemClang::RecordHasFields(base_class_decl)) |
6175 | continue; |
6176 | } |
6177 | |
6178 | if (idx == child_idx) { |
6179 | if (base_class_decl == nullptr) |
6180 | base_class_decl = llvm::cast<clang::CXXRecordDecl>( |
6181 | base_class->getType()->getAs<clang::RecordType>()->getDecl()); |
6182 | |
6183 | if (base_class->isVirtual()) { |
6184 | bool handled = false; |
6185 | if (valobj) { |
6186 | clang::VTableContextBase *vtable_ctx = |
6187 | getASTContext().getVTableContext(); |
6188 | if (vtable_ctx) |
6189 | handled = GetVBaseBitOffset(*vtable_ctx, *valobj, |
6190 | record_layout, cxx_record_decl, |
6191 | base_class_decl, bit_offset); |
6192 | } |
6193 | if (!handled) |
6194 | bit_offset = record_layout.getVBaseClassOffset(base_class_decl) |
6195 | .getQuantity() * |
6196 | 8; |
6197 | } else |
6198 | bit_offset = record_layout.getBaseClassOffset(base_class_decl) |
6199 | .getQuantity() * |
6200 | 8; |
6201 | |
6202 | // Base classes should be a multiple of 8 bits in size |
6203 | child_byte_offset = bit_offset / 8; |
6204 | CompilerType base_class_clang_type = GetType(base_class->getType()); |
6205 | child_name = base_class_clang_type.GetTypeName().AsCString(""); |
6206 | Optional<uint64_t> size = |
6207 | base_class_clang_type.GetBitSize(get_exe_scope()); |
6208 | if (!size) |
6209 | return {}; |
6210 | uint64_t base_class_clang_type_bit_size = *size; |
6211 | |
6212 | // Base classes bit sizes should be a multiple of 8 bits in size |
6213 | assert(base_class_clang_type_bit_size % 8 == 0)((void)0); |
6214 | child_byte_size = base_class_clang_type_bit_size / 8; |
6215 | child_is_base_class = true; |
6216 | return base_class_clang_type; |
6217 | } |
6218 | // We don't increment the child index in the for loop since we might |
6219 | // be skipping empty base classes |
6220 | ++child_idx; |
6221 | } |
6222 | } |
6223 | // Make sure index is in range... |
6224 | uint32_t field_idx = 0; |
6225 | clang::RecordDecl::field_iterator field, field_end; |
6226 | for (field = record_decl->field_begin(), |
6227 | field_end = record_decl->field_end(); |
6228 | field != field_end; ++field, ++field_idx, ++child_idx) { |
6229 | if (idx == child_idx) { |
6230 | // Print the member type if requested |
6231 | // Print the member name and equal sign |
6232 | child_name.assign(field->getNameAsString()); |
6233 | |
6234 | // Figure out the type byte size (field_type_info.first) and |
6235 | // alignment (field_type_info.second) from the AST context. |
6236 | CompilerType field_clang_type = GetType(field->getType()); |
6237 | assert(field_idx < record_layout.getFieldCount())((void)0); |
6238 | Optional<uint64_t> size = |
6239 | field_clang_type.GetByteSize(get_exe_scope()); |
6240 | if (!size) |
6241 | return {}; |
6242 | child_byte_size = *size; |
6243 | const uint32_t child_bit_size = child_byte_size * 8; |
6244 | |
6245 | // Figure out the field offset within the current struct/union/class |
6246 | // type |
6247 | bit_offset = record_layout.getFieldOffset(field_idx); |
6248 | if (FieldIsBitfield(*field, child_bitfield_bit_size)) { |
6249 | child_bitfield_bit_offset = bit_offset % child_bit_size; |
6250 | const uint32_t child_bit_offset = |
6251 | bit_offset - child_bitfield_bit_offset; |
6252 | child_byte_offset = child_bit_offset / 8; |
6253 | } else { |
6254 | child_byte_offset = bit_offset / 8; |
6255 | } |
6256 | |
6257 | return field_clang_type; |
6258 | } |
6259 | } |
6260 | } |
6261 | break; |
6262 | |
6263 | case clang::Type::ObjCObject: |
6264 | case clang::Type::ObjCInterface: |
6265 | if (idx_is_valid && GetCompleteType(type)) { |
6266 | const clang::ObjCObjectType *objc_class_type = |
6267 | llvm::dyn_cast<clang::ObjCObjectType>(parent_qual_type.getTypePtr()); |
6268 | assert(objc_class_type)((void)0); |
6269 | if (objc_class_type) { |
6270 | uint32_t child_idx = 0; |
6271 | clang::ObjCInterfaceDecl *class_interface_decl = |
6272 | objc_class_type->getInterface(); |
6273 | |
6274 | if (class_interface_decl) { |
6275 | |
6276 | const clang::ASTRecordLayout &interface_layout = |
6277 | getASTContext().getASTObjCInterfaceLayout(class_interface_decl); |
6278 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
6279 | class_interface_decl->getSuperClass(); |
6280 | if (superclass_interface_decl) { |
6281 | if (omit_empty_base_classes) { |
6282 | CompilerType base_class_clang_type = |
6283 | GetType(getASTContext().getObjCInterfaceType( |
6284 | superclass_interface_decl)); |
6285 | if (base_class_clang_type.GetNumChildren(omit_empty_base_classes, |
6286 | exe_ctx) > 0) { |
6287 | if (idx == 0) { |
6288 | clang::QualType ivar_qual_type( |
6289 | getASTContext().getObjCInterfaceType( |
6290 | superclass_interface_decl)); |
6291 | |
6292 | child_name.assign( |
6293 | superclass_interface_decl->getNameAsString()); |
6294 | |
6295 | clang::TypeInfo ivar_type_info = |
6296 | getASTContext().getTypeInfo(ivar_qual_type.getTypePtr()); |
6297 | |
6298 | child_byte_size = ivar_type_info.Width / 8; |
6299 | child_byte_offset = 0; |
6300 | child_is_base_class = true; |
6301 | |
6302 | return GetType(ivar_qual_type); |
6303 | } |
6304 | |
6305 | ++child_idx; |