File: | src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp |
Warning: | line 3799, column 9 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 |