File: | src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp |
Warning: | line 1794, column 11 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_d |