| File: | build/source/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp |
| Warning: | line 9205, column 17 Although the value stored to 'bytes_read' is used in the enclosing expression, the value is never actually read from 'bytes_read' |
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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 "clang/AST/DeclBase.h" |
| 12 | #include "llvm/Support/Casting.h" |
| 13 | #include "llvm/Support/FormatAdapters.h" |
| 14 | #include "llvm/Support/FormatVariadic.h" |
| 15 | |
| 16 | #include <mutex> |
| 17 | #include <memory> |
| 18 | #include <string> |
| 19 | #include <vector> |
| 20 | |
| 21 | #include "clang/AST/ASTContext.h" |
| 22 | #include "clang/AST/ASTImporter.h" |
| 23 | #include "clang/AST/Attr.h" |
| 24 | #include "clang/AST/CXXInheritance.h" |
| 25 | #include "clang/AST/DeclObjC.h" |
| 26 | #include "clang/AST/DeclTemplate.h" |
| 27 | #include "clang/AST/Mangle.h" |
| 28 | #include "clang/AST/RecordLayout.h" |
| 29 | #include "clang/AST/Type.h" |
| 30 | #include "clang/AST/VTableBuilder.h" |
| 31 | #include "clang/Basic/Builtins.h" |
| 32 | #include "clang/Basic/Diagnostic.h" |
| 33 | #include "clang/Basic/FileManager.h" |
| 34 | #include "clang/Basic/FileSystemOptions.h" |
| 35 | #include "clang/Basic/LangStandard.h" |
| 36 | #include "clang/Basic/SourceManager.h" |
| 37 | #include "clang/Basic/TargetInfo.h" |
| 38 | #include "clang/Basic/TargetOptions.h" |
| 39 | #include "clang/Frontend/FrontendOptions.h" |
| 40 | #include "clang/Lex/HeaderSearch.h" |
| 41 | #include "clang/Lex/HeaderSearchOptions.h" |
| 42 | #include "clang/Lex/ModuleMap.h" |
| 43 | #include "clang/Sema/Sema.h" |
| 44 | |
| 45 | #include "llvm/Support/Signals.h" |
| 46 | #include "llvm/Support/Threading.h" |
| 47 | |
| 48 | #include "Plugins/ExpressionParser/Clang/ClangASTImporter.h" |
| 49 | #include "Plugins/ExpressionParser/Clang/ClangASTMetadata.h" |
| 50 | #include "Plugins/ExpressionParser/Clang/ClangExternalASTSourceCallbacks.h" |
| 51 | #include "Plugins/ExpressionParser/Clang/ClangFunctionCaller.h" |
| 52 | #include "Plugins/ExpressionParser/Clang/ClangPersistentVariables.h" |
| 53 | #include "Plugins/ExpressionParser/Clang/ClangUserExpression.h" |
| 54 | #include "Plugins/ExpressionParser/Clang/ClangUtil.h" |
| 55 | #include "Plugins/ExpressionParser/Clang/ClangUtilityFunction.h" |
| 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/ArchSpec.h" |
| 69 | #include "lldb/Utility/DataExtractor.h" |
| 70 | #include "lldb/Utility/Flags.h" |
| 71 | #include "lldb/Utility/LLDBAssert.h" |
| 72 | #include "lldb/Utility/LLDBLog.h" |
| 73 | #include "lldb/Utility/RegularExpression.h" |
| 74 | #include "lldb/Utility/Scalar.h" |
| 75 | |
| 76 | #include "Plugins/LanguageRuntime/ObjC/ObjCLanguageRuntime.h" |
| 77 | #include "Plugins/SymbolFile/DWARF/DWARFASTParserClang.h" |
| 78 | #include "Plugins/SymbolFile/PDB/PDBASTParser.h" |
| 79 | #include "Plugins/SymbolFile/NativePDB/PdbAstBuilder.h" |
| 80 | |
| 81 | #include <cstdio> |
| 82 | |
| 83 | #include <mutex> |
| 84 | #include <optional> |
| 85 | |
| 86 | using namespace lldb; |
| 87 | using namespace lldb_private; |
| 88 | using namespace lldb_private::dwarf; |
| 89 | using namespace clang; |
| 90 | using llvm::StringSwitch; |
| 91 | |
| 92 | LLDB_PLUGIN_DEFINE(TypeSystemClang)namespace lldb_private { void lldb_initialize_TypeSystemClang () { TypeSystemClang::Initialize(); } void lldb_terminate_TypeSystemClang () { TypeSystemClang::Terminate(); } } |
| 93 | |
| 94 | namespace { |
| 95 | static void VerifyDecl(clang::Decl *decl) { |
| 96 | assert(decl && "VerifyDecl called with nullptr?")(static_cast <bool> (decl && "VerifyDecl called with nullptr?" ) ? void (0) : __assert_fail ("decl && \"VerifyDecl called with nullptr?\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 96, __extension__ __PRETTY_FUNCTION__)); |
| 97 | #ifndef NDEBUG |
| 98 | // We don't care about the actual access value here but only want to trigger |
| 99 | // that Clang calls its internal Decl::AccessDeclContextCheck validation. |
| 100 | decl->getAccess(); |
| 101 | #endif |
| 102 | } |
| 103 | |
| 104 | static inline bool |
| 105 | TypeSystemClangSupportsLanguage(lldb::LanguageType language) { |
| 106 | return language == eLanguageTypeUnknown || // Clang is the default type system |
| 107 | lldb_private::Language::LanguageIsC(language) || |
| 108 | lldb_private::Language::LanguageIsCPlusPlus(language) || |
| 109 | lldb_private::Language::LanguageIsObjC(language) || |
| 110 | lldb_private::Language::LanguageIsPascal(language) || |
| 111 | // Use Clang for Rust until there is a proper language plugin for it |
| 112 | language == eLanguageTypeRust || |
| 113 | // Use Clang for D until there is a proper language plugin for it |
| 114 | language == eLanguageTypeD || |
| 115 | // Open Dylan compiler debug info is designed to be Clang-compatible |
| 116 | language == eLanguageTypeDylan; |
| 117 | } |
| 118 | |
| 119 | // Checks whether m1 is an overload of m2 (as opposed to an override). This is |
| 120 | // called by addOverridesForMethod to distinguish overrides (which share a |
| 121 | // vtable entry) from overloads (which require distinct entries). |
| 122 | bool isOverload(clang::CXXMethodDecl *m1, clang::CXXMethodDecl *m2) { |
| 123 | // FIXME: This should detect covariant return types, but currently doesn't. |
| 124 | lldbassert(&m1->getASTContext() == &m2->getASTContext() &&lldb_private::lldb_assert(static_cast<bool>(&m1-> getASTContext() == &m2->getASTContext() && "Methods should have the same AST context" ), "&m1->getASTContext() == &m2->getASTContext() && \"Methods should have the same AST context\"" , __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 125) |
| 125 | "Methods should have the same AST context")lldb_private::lldb_assert(static_cast<bool>(&m1-> getASTContext() == &m2->getASTContext() && "Methods should have the same AST context" ), "&m1->getASTContext() == &m2->getASTContext() && \"Methods should have the same AST context\"" , __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 125); |
| 126 | clang::ASTContext &context = m1->getASTContext(); |
| 127 | |
| 128 | const auto *m1Type = llvm::cast<clang::FunctionProtoType>( |
| 129 | context.getCanonicalType(m1->getType())); |
| 130 | |
| 131 | const auto *m2Type = llvm::cast<clang::FunctionProtoType>( |
| 132 | context.getCanonicalType(m2->getType())); |
| 133 | |
| 134 | auto compareArgTypes = [&context](const clang::QualType &m1p, |
| 135 | const clang::QualType &m2p) { |
| 136 | return context.hasSameType(m1p.getUnqualifiedType(), |
| 137 | m2p.getUnqualifiedType()); |
| 138 | }; |
| 139 | |
| 140 | // FIXME: In C++14 and later, we can just pass m2Type->param_type_end() |
| 141 | // as a fourth parameter to std::equal(). |
| 142 | return (m1->getNumParams() != m2->getNumParams()) || |
| 143 | !std::equal(m1Type->param_type_begin(), m1Type->param_type_end(), |
| 144 | m2Type->param_type_begin(), compareArgTypes); |
| 145 | } |
| 146 | |
| 147 | // If decl is a virtual method, walk the base classes looking for methods that |
| 148 | // decl overrides. This table of overridden methods is used by IRGen to |
| 149 | // determine the vtable layout for decl's parent class. |
| 150 | void addOverridesForMethod(clang::CXXMethodDecl *decl) { |
| 151 | if (!decl->isVirtual()) |
| 152 | return; |
| 153 | |
| 154 | clang::CXXBasePaths paths; |
| 155 | llvm::SmallVector<clang::NamedDecl *, 4> decls; |
| 156 | |
| 157 | auto find_overridden_methods = |
| 158 | [&decls, decl](const clang::CXXBaseSpecifier *specifier, |
| 159 | clang::CXXBasePath &path) { |
| 160 | if (auto *base_record = llvm::dyn_cast<clang::CXXRecordDecl>( |
| 161 | specifier->getType()->castAs<clang::RecordType>()->getDecl())) { |
| 162 | |
| 163 | clang::DeclarationName name = decl->getDeclName(); |
| 164 | |
| 165 | // If this is a destructor, check whether the base class destructor is |
| 166 | // virtual. |
| 167 | if (name.getNameKind() == clang::DeclarationName::CXXDestructorName) |
| 168 | if (auto *baseDtorDecl = base_record->getDestructor()) { |
| 169 | if (baseDtorDecl->isVirtual()) { |
| 170 | decls.push_back(baseDtorDecl); |
| 171 | return true; |
| 172 | } else |
| 173 | return false; |
| 174 | } |
| 175 | |
| 176 | // Otherwise, search for name in the base class. |
| 177 | for (path.Decls = base_record->lookup(name).begin(); |
| 178 | path.Decls != path.Decls.end(); ++path.Decls) { |
| 179 | if (auto *method_decl = |
| 180 | llvm::dyn_cast<clang::CXXMethodDecl>(*path.Decls)) |
| 181 | if (method_decl->isVirtual() && !isOverload(decl, method_decl)) { |
| 182 | decls.push_back(method_decl); |
| 183 | return true; |
| 184 | } |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | return false; |
| 189 | }; |
| 190 | |
| 191 | if (decl->getParent()->lookupInBases(find_overridden_methods, paths)) { |
| 192 | for (auto *overridden_decl : decls) |
| 193 | decl->addOverriddenMethod( |
| 194 | llvm::cast<clang::CXXMethodDecl>(overridden_decl)); |
| 195 | } |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | static lldb::addr_t GetVTableAddress(Process &process, |
| 200 | VTableContextBase &vtable_ctx, |
| 201 | ValueObject &valobj, |
| 202 | const ASTRecordLayout &record_layout) { |
| 203 | // Retrieve type info |
| 204 | CompilerType pointee_type; |
| 205 | CompilerType this_type(valobj.GetCompilerType()); |
| 206 | uint32_t type_info = this_type.GetTypeInfo(&pointee_type); |
| 207 | if (!type_info) |
| 208 | return LLDB_INVALID_ADDRESS(18446744073709551615UL); |
| 209 | |
| 210 | // Check if it's a pointer or reference |
| 211 | bool ptr_or_ref = false; |
| 212 | if (type_info & (eTypeIsPointer | eTypeIsReference)) { |
| 213 | ptr_or_ref = true; |
| 214 | type_info = pointee_type.GetTypeInfo(); |
| 215 | } |
| 216 | |
| 217 | // We process only C++ classes |
| 218 | const uint32_t cpp_class = eTypeIsClass | eTypeIsCPlusPlus; |
| 219 | if ((type_info & cpp_class) != cpp_class) |
| 220 | return LLDB_INVALID_ADDRESS(18446744073709551615UL); |
| 221 | |
| 222 | // Calculate offset to VTable pointer |
| 223 | lldb::offset_t vbtable_ptr_offset = |
| 224 | vtable_ctx.isMicrosoft() ? record_layout.getVBPtrOffset().getQuantity() |
| 225 | : 0; |
| 226 | |
| 227 | if (ptr_or_ref) { |
| 228 | // We have a pointer / ref to object, so read |
| 229 | // VTable pointer from process memory |
| 230 | |
| 231 | if (valobj.GetAddressTypeOfChildren() != eAddressTypeLoad) |
| 232 | return LLDB_INVALID_ADDRESS(18446744073709551615UL); |
| 233 | |
| 234 | auto vbtable_ptr_addr = valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS(18446744073709551615UL)); |
| 235 | if (vbtable_ptr_addr == LLDB_INVALID_ADDRESS(18446744073709551615UL)) |
| 236 | return LLDB_INVALID_ADDRESS(18446744073709551615UL); |
| 237 | |
| 238 | vbtable_ptr_addr += vbtable_ptr_offset; |
| 239 | |
| 240 | Status err; |
| 241 | return process.ReadPointerFromMemory(vbtable_ptr_addr, err); |
| 242 | } |
| 243 | |
| 244 | // We have an object already read from process memory, |
| 245 | // so just extract VTable pointer from it |
| 246 | |
| 247 | DataExtractor data; |
| 248 | Status err; |
| 249 | auto size = valobj.GetData(data, err); |
| 250 | if (err.Fail() || vbtable_ptr_offset + data.GetAddressByteSize() > size) |
| 251 | return LLDB_INVALID_ADDRESS(18446744073709551615UL); |
| 252 | |
| 253 | return data.GetAddress(&vbtable_ptr_offset); |
| 254 | } |
| 255 | |
| 256 | static int64_t ReadVBaseOffsetFromVTable(Process &process, |
| 257 | VTableContextBase &vtable_ctx, |
| 258 | lldb::addr_t vtable_ptr, |
| 259 | const CXXRecordDecl *cxx_record_decl, |
| 260 | const CXXRecordDecl *base_class_decl) { |
| 261 | if (vtable_ctx.isMicrosoft()) { |
| 262 | clang::MicrosoftVTableContext &msoft_vtable_ctx = |
| 263 | static_cast<clang::MicrosoftVTableContext &>(vtable_ctx); |
| 264 | |
| 265 | // Get the index into the virtual base table. The |
| 266 | // index is the index in uint32_t from vbtable_ptr |
| 267 | const unsigned vbtable_index = |
| 268 | msoft_vtable_ctx.getVBTableIndex(cxx_record_decl, base_class_decl); |
| 269 | const lldb::addr_t base_offset_addr = vtable_ptr + vbtable_index * 4; |
| 270 | Status err; |
| 271 | return process.ReadSignedIntegerFromMemory(base_offset_addr, 4, INT64_MAX(9223372036854775807L), |
| 272 | err); |
| 273 | } |
| 274 | |
| 275 | clang::ItaniumVTableContext &itanium_vtable_ctx = |
| 276 | static_cast<clang::ItaniumVTableContext &>(vtable_ctx); |
| 277 | |
| 278 | clang::CharUnits base_offset_offset = |
| 279 | itanium_vtable_ctx.getVirtualBaseOffsetOffset(cxx_record_decl, |
| 280 | base_class_decl); |
| 281 | const lldb::addr_t base_offset_addr = |
| 282 | vtable_ptr + base_offset_offset.getQuantity(); |
| 283 | const uint32_t base_offset_size = process.GetAddressByteSize(); |
| 284 | Status err; |
| 285 | return process.ReadSignedIntegerFromMemory(base_offset_addr, base_offset_size, |
| 286 | INT64_MAX(9223372036854775807L), err); |
| 287 | } |
| 288 | |
| 289 | static bool GetVBaseBitOffset(VTableContextBase &vtable_ctx, |
| 290 | ValueObject &valobj, |
| 291 | const ASTRecordLayout &record_layout, |
| 292 | const CXXRecordDecl *cxx_record_decl, |
| 293 | const CXXRecordDecl *base_class_decl, |
| 294 | int32_t &bit_offset) { |
| 295 | ExecutionContext exe_ctx(valobj.GetExecutionContextRef()); |
| 296 | Process *process = exe_ctx.GetProcessPtr(); |
| 297 | if (!process) |
| 298 | return false; |
| 299 | |
| 300 | lldb::addr_t vtable_ptr = |
| 301 | GetVTableAddress(*process, vtable_ctx, valobj, record_layout); |
| 302 | if (vtable_ptr == LLDB_INVALID_ADDRESS(18446744073709551615UL)) |
| 303 | return false; |
| 304 | |
| 305 | auto base_offset = ReadVBaseOffsetFromVTable( |
| 306 | *process, vtable_ctx, vtable_ptr, cxx_record_decl, base_class_decl); |
| 307 | if (base_offset == INT64_MAX(9223372036854775807L)) |
| 308 | return false; |
| 309 | |
| 310 | bit_offset = base_offset * 8; |
| 311 | |
| 312 | return true; |
| 313 | } |
| 314 | |
| 315 | typedef lldb_private::ThreadSafeDenseMap<clang::ASTContext *, TypeSystemClang *> |
| 316 | ClangASTMap; |
| 317 | |
| 318 | static ClangASTMap &GetASTMap() { |
| 319 | static ClangASTMap *g_map_ptr = nullptr; |
| 320 | static llvm::once_flag g_once_flag; |
| 321 | llvm::call_once(g_once_flag, []() { |
| 322 | g_map_ptr = new ClangASTMap(); // leaked on purpose to avoid spins |
| 323 | }); |
| 324 | return *g_map_ptr; |
| 325 | } |
| 326 | |
| 327 | TypePayloadClang::TypePayloadClang(OptionalClangModuleID owning_module, |
| 328 | bool is_complete_objc_class) |
| 329 | : m_payload(owning_module.GetValue()) { |
| 330 | SetIsCompleteObjCClass(is_complete_objc_class); |
| 331 | } |
| 332 | |
| 333 | void TypePayloadClang::SetOwningModule(OptionalClangModuleID id) { |
| 334 | assert(id.GetValue() < ObjCClassBit)(static_cast <bool> (id.GetValue() < ObjCClassBit) ? void (0) : __assert_fail ("id.GetValue() < ObjCClassBit", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 334 , __extension__ __PRETTY_FUNCTION__)); |
| 335 | bool is_complete = IsCompleteObjCClass(); |
| 336 | m_payload = id.GetValue(); |
| 337 | SetIsCompleteObjCClass(is_complete); |
| 338 | } |
| 339 | |
| 340 | static void SetMemberOwningModule(clang::Decl *member, |
| 341 | const clang::Decl *parent) { |
| 342 | if (!member || !parent) |
| 343 | return; |
| 344 | |
| 345 | OptionalClangModuleID id(parent->getOwningModuleID()); |
| 346 | if (!id.HasValue()) |
| 347 | return; |
| 348 | |
| 349 | member->setFromASTFile(); |
| 350 | member->setOwningModuleID(id.GetValue()); |
| 351 | member->setModuleOwnershipKind(clang::Decl::ModuleOwnershipKind::Visible); |
| 352 | if (llvm::isa<clang::NamedDecl>(member)) |
| 353 | if (auto *dc = llvm::dyn_cast<clang::DeclContext>(parent)) { |
| 354 | dc->setHasExternalVisibleStorage(true); |
| 355 | // This triggers ExternalASTSource::FindExternalVisibleDeclsByName() to be |
| 356 | // called when searching for members. |
| 357 | dc->setHasExternalLexicalStorage(true); |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | char TypeSystemClang::ID; |
| 362 | |
| 363 | bool TypeSystemClang::IsOperator(llvm::StringRef name, |
| 364 | clang::OverloadedOperatorKind &op_kind) { |
| 365 | // All operators have to start with "operator". |
| 366 | if (!name.consume_front("operator")) |
| 367 | return false; |
| 368 | |
| 369 | // Remember if there was a space after "operator". This is necessary to |
| 370 | // check for collisions with strangely named functions like "operatorint()". |
| 371 | bool space_after_operator = name.consume_front(" "); |
| 372 | |
| 373 | op_kind = StringSwitch<clang::OverloadedOperatorKind>(name) |
| 374 | .Case("+", clang::OO_Plus) |
| 375 | .Case("+=", clang::OO_PlusEqual) |
| 376 | .Case("++", clang::OO_PlusPlus) |
| 377 | .Case("-", clang::OO_Minus) |
| 378 | .Case("-=", clang::OO_MinusEqual) |
| 379 | .Case("--", clang::OO_MinusMinus) |
| 380 | .Case("->", clang::OO_Arrow) |
| 381 | .Case("->*", clang::OO_ArrowStar) |
| 382 | .Case("*", clang::OO_Star) |
| 383 | .Case("*=", clang::OO_StarEqual) |
| 384 | .Case("/", clang::OO_Slash) |
| 385 | .Case("/=", clang::OO_SlashEqual) |
| 386 | .Case("%", clang::OO_Percent) |
| 387 | .Case("%=", clang::OO_PercentEqual) |
| 388 | .Case("^", clang::OO_Caret) |
| 389 | .Case("^=", clang::OO_CaretEqual) |
| 390 | .Case("&", clang::OO_Amp) |
| 391 | .Case("&=", clang::OO_AmpEqual) |
| 392 | .Case("&&", clang::OO_AmpAmp) |
| 393 | .Case("|", clang::OO_Pipe) |
| 394 | .Case("|=", clang::OO_PipeEqual) |
| 395 | .Case("||", clang::OO_PipePipe) |
| 396 | .Case("~", clang::OO_Tilde) |
| 397 | .Case("!", clang::OO_Exclaim) |
| 398 | .Case("!=", clang::OO_ExclaimEqual) |
| 399 | .Case("=", clang::OO_Equal) |
| 400 | .Case("==", clang::OO_EqualEqual) |
| 401 | .Case("<", clang::OO_Less) |
| 402 | .Case("<=>", clang::OO_Spaceship) |
| 403 | .Case("<<", clang::OO_LessLess) |
| 404 | .Case("<<=", clang::OO_LessLessEqual) |
| 405 | .Case("<=", clang::OO_LessEqual) |
| 406 | .Case(">", clang::OO_Greater) |
| 407 | .Case(">>", clang::OO_GreaterGreater) |
| 408 | .Case(">>=", clang::OO_GreaterGreaterEqual) |
| 409 | .Case(">=", clang::OO_GreaterEqual) |
| 410 | .Case("()", clang::OO_Call) |
| 411 | .Case("[]", clang::OO_Subscript) |
| 412 | .Case(",", clang::OO_Comma) |
| 413 | .Default(clang::NUM_OVERLOADED_OPERATORS); |
| 414 | |
| 415 | // We found a fitting operator, so we can exit now. |
| 416 | if (op_kind != clang::NUM_OVERLOADED_OPERATORS) |
| 417 | return true; |
| 418 | |
| 419 | // After the "operator " or "operator" part is something unknown. This means |
| 420 | // it's either one of the named operators (new/delete), a conversion operator |
| 421 | // (e.g. operator bool) or a function which name starts with "operator" |
| 422 | // (e.g. void operatorbool). |
| 423 | |
| 424 | // If it's a function that starts with operator it can't have a space after |
| 425 | // "operator" because identifiers can't contain spaces. |
| 426 | // E.g. "operator int" (conversion operator) |
| 427 | // vs. "operatorint" (function with colliding name). |
| 428 | if (!space_after_operator) |
| 429 | return false; // not an operator. |
| 430 | |
| 431 | // Now the operator is either one of the named operators or a conversion |
| 432 | // operator. |
| 433 | op_kind = StringSwitch<clang::OverloadedOperatorKind>(name) |
| 434 | .Case("new", clang::OO_New) |
| 435 | .Case("new[]", clang::OO_Array_New) |
| 436 | .Case("delete", clang::OO_Delete) |
| 437 | .Case("delete[]", clang::OO_Array_Delete) |
| 438 | // conversion operators hit this case. |
| 439 | .Default(clang::NUM_OVERLOADED_OPERATORS); |
| 440 | |
| 441 | return true; |
| 442 | } |
| 443 | |
| 444 | clang::AccessSpecifier |
| 445 | TypeSystemClang::ConvertAccessTypeToAccessSpecifier(AccessType access) { |
| 446 | switch (access) { |
| 447 | default: |
| 448 | break; |
| 449 | case eAccessNone: |
| 450 | return AS_none; |
| 451 | case eAccessPublic: |
| 452 | return AS_public; |
| 453 | case eAccessPrivate: |
| 454 | return AS_private; |
| 455 | case eAccessProtected: |
| 456 | return AS_protected; |
| 457 | } |
| 458 | return AS_none; |
| 459 | } |
| 460 | |
| 461 | static void ParseLangArgs(LangOptions &Opts, InputKind IK, const char *triple) { |
| 462 | // FIXME: Cleanup per-file based stuff. |
| 463 | |
| 464 | // Set some properties which depend solely on the input kind; it would be |
| 465 | // nice to move these to the language standard, and have the driver resolve |
| 466 | // the input kind + language standard. |
| 467 | if (IK.getLanguage() == clang::Language::Asm) { |
| 468 | Opts.AsmPreprocessor = 1; |
| 469 | } else if (IK.isObjectiveC()) { |
| 470 | Opts.ObjC = 1; |
| 471 | } |
| 472 | |
| 473 | LangStandard::Kind LangStd = LangStandard::lang_unspecified; |
| 474 | |
| 475 | if (LangStd == LangStandard::lang_unspecified) { |
| 476 | // Based on the base language, pick one. |
| 477 | switch (IK.getLanguage()) { |
| 478 | case clang::Language::Unknown: |
| 479 | case clang::Language::LLVM_IR: |
| 480 | case clang::Language::RenderScript: |
| 481 | llvm_unreachable("Invalid input kind!")::llvm::llvm_unreachable_internal("Invalid input kind!", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 481); |
| 482 | case clang::Language::OpenCL: |
| 483 | LangStd = LangStandard::lang_opencl10; |
| 484 | break; |
| 485 | case clang::Language::OpenCLCXX: |
| 486 | LangStd = LangStandard::lang_openclcpp10; |
| 487 | break; |
| 488 | case clang::Language::CUDA: |
| 489 | LangStd = LangStandard::lang_cuda; |
| 490 | break; |
| 491 | case clang::Language::Asm: |
| 492 | case clang::Language::C: |
| 493 | case clang::Language::ObjC: |
| 494 | LangStd = LangStandard::lang_gnu99; |
| 495 | break; |
| 496 | case clang::Language::CXX: |
| 497 | case clang::Language::ObjCXX: |
| 498 | LangStd = LangStandard::lang_gnucxx98; |
| 499 | break; |
| 500 | case clang::Language::HIP: |
| 501 | LangStd = LangStandard::lang_hip; |
| 502 | break; |
| 503 | case clang::Language::HLSL: |
| 504 | LangStd = LangStandard::lang_hlsl; |
| 505 | break; |
| 506 | } |
| 507 | } |
| 508 | |
| 509 | const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); |
| 510 | Opts.LineComment = Std.hasLineComments(); |
| 511 | Opts.C99 = Std.isC99(); |
| 512 | Opts.CPlusPlus = Std.isCPlusPlus(); |
| 513 | Opts.CPlusPlus11 = Std.isCPlusPlus11(); |
| 514 | Opts.CPlusPlus14 = Std.isCPlusPlus14(); |
| 515 | Opts.CPlusPlus17 = Std.isCPlusPlus17(); |
| 516 | Opts.CPlusPlus20 = Std.isCPlusPlus20(); |
| 517 | Opts.Digraphs = Std.hasDigraphs(); |
| 518 | Opts.GNUMode = Std.isGNUMode(); |
| 519 | Opts.GNUInline = !Std.isC99(); |
| 520 | Opts.HexFloats = Std.hasHexFloats(); |
| 521 | |
| 522 | Opts.WChar = true; |
| 523 | |
| 524 | // OpenCL has some additional defaults. |
| 525 | if (LangStd == LangStandard::lang_opencl10) { |
| 526 | Opts.OpenCL = 1; |
| 527 | Opts.AltiVec = 1; |
| 528 | Opts.CXXOperatorNames = 1; |
| 529 | Opts.setLaxVectorConversions(LangOptions::LaxVectorConversionKind::All); |
| 530 | } |
| 531 | |
| 532 | // OpenCL and C++ both have bool, true, false keywords. |
| 533 | Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; |
| 534 | |
| 535 | Opts.setValueVisibilityMode(DefaultVisibility); |
| 536 | |
| 537 | // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs is |
| 538 | // specified, or -std is set to a conforming mode. |
| 539 | Opts.Trigraphs = !Opts.GNUMode; |
| 540 | Opts.CharIsSigned = ArchSpec(triple).CharIsSignedByDefault(); |
| 541 | Opts.OptimizeSize = 0; |
| 542 | |
| 543 | // FIXME: Eliminate this dependency. |
| 544 | // unsigned Opt = |
| 545 | // Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags); |
| 546 | // Opts.Optimize = Opt != 0; |
| 547 | unsigned Opt = 0; |
| 548 | |
| 549 | // This is the __NO_INLINE__ define, which just depends on things like the |
| 550 | // optimization level and -fno-inline, not actually whether the backend has |
| 551 | // inlining enabled. |
| 552 | // |
| 553 | // FIXME: This is affected by other options (-fno-inline). |
| 554 | Opts.NoInlineDefine = !Opt; |
| 555 | |
| 556 | // This is needed to allocate the extra space for the owning module |
| 557 | // on each decl. |
| 558 | Opts.ModulesLocalVisibility = 1; |
| 559 | } |
| 560 | |
| 561 | TypeSystemClang::TypeSystemClang(llvm::StringRef name, |
| 562 | llvm::Triple target_triple) { |
| 563 | m_display_name = name.str(); |
| 564 | if (!target_triple.str().empty()) |
| 565 | SetTargetTriple(target_triple.str()); |
| 566 | // The caller didn't pass an ASTContext so create a new one for this |
| 567 | // TypeSystemClang. |
| 568 | CreateASTContext(); |
| 569 | } |
| 570 | |
| 571 | TypeSystemClang::TypeSystemClang(llvm::StringRef name, |
| 572 | ASTContext &existing_ctxt) { |
| 573 | m_display_name = name.str(); |
| 574 | SetTargetTriple(existing_ctxt.getTargetInfo().getTriple().str()); |
| 575 | |
| 576 | m_ast_up.reset(&existing_ctxt); |
| 577 | GetASTMap().Insert(&existing_ctxt, this); |
| 578 | } |
| 579 | |
| 580 | // Destructor |
| 581 | TypeSystemClang::~TypeSystemClang() { Finalize(); } |
| 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 | languages.Insert(lldb::eLanguageTypeC_plus_plus_17); |
| 635 | languages.Insert(lldb::eLanguageTypeC_plus_plus_20); |
| 636 | return languages; |
| 637 | } |
| 638 | |
| 639 | LanguageSet TypeSystemClang::GetSupportedLanguagesForExpressions() { |
| 640 | LanguageSet languages; |
| 641 | languages.Insert(lldb::eLanguageTypeC_plus_plus); |
| 642 | languages.Insert(lldb::eLanguageTypeObjC_plus_plus); |
| 643 | languages.Insert(lldb::eLanguageTypeC_plus_plus_03); |
| 644 | languages.Insert(lldb::eLanguageTypeC_plus_plus_11); |
| 645 | languages.Insert(lldb::eLanguageTypeC_plus_plus_14); |
| 646 | languages.Insert(lldb::eLanguageTypeC_plus_plus_17); |
| 647 | languages.Insert(lldb::eLanguageTypeC_plus_plus_20); |
| 648 | return languages; |
| 649 | } |
| 650 | |
| 651 | void TypeSystemClang::Initialize() { |
| 652 | PluginManager::RegisterPlugin( |
| 653 | GetPluginNameStatic(), "clang base AST context plug-in", CreateInstance, |
| 654 | GetSupportedLanguagesForTypes(), GetSupportedLanguagesForExpressions()); |
| 655 | } |
| 656 | |
| 657 | void TypeSystemClang::Terminate() { |
| 658 | PluginManager::UnregisterPlugin(CreateInstance); |
| 659 | } |
| 660 | |
| 661 | void TypeSystemClang::Finalize() { |
| 662 | assert(m_ast_up)(static_cast <bool> (m_ast_up) ? void (0) : __assert_fail ("m_ast_up", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 662, __extension__ __PRETTY_FUNCTION__)); |
| 663 | GetASTMap().Erase(m_ast_up.get()); |
| 664 | if (!m_ast_owned) |
| 665 | m_ast_up.release(); |
| 666 | |
| 667 | m_builtins_up.reset(); |
| 668 | m_selector_table_up.reset(); |
| 669 | m_identifier_table_up.reset(); |
| 670 | m_target_info_up.reset(); |
| 671 | m_target_options_rp.reset(); |
| 672 | m_diagnostics_engine_up.reset(); |
| 673 | m_source_manager_up.reset(); |
| 674 | m_language_options_up.reset(); |
| 675 | } |
| 676 | |
| 677 | void TypeSystemClang::setSema(Sema *s) { |
| 678 | // Ensure that the new sema actually belongs to our ASTContext. |
| 679 | assert(s == nullptr || &s->getASTContext() == m_ast_up.get())(static_cast <bool> (s == nullptr || &s->getASTContext () == m_ast_up.get()) ? void (0) : __assert_fail ("s == nullptr || &s->getASTContext() == m_ast_up.get()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 679, __extension__ __PRETTY_FUNCTION__)); |
| 680 | m_sema = s; |
| 681 | } |
| 682 | |
| 683 | const char *TypeSystemClang::GetTargetTriple() { |
| 684 | return m_target_triple.c_str(); |
| 685 | } |
| 686 | |
| 687 | void TypeSystemClang::SetTargetTriple(llvm::StringRef target_triple) { |
| 688 | m_target_triple = target_triple.str(); |
| 689 | } |
| 690 | |
| 691 | void TypeSystemClang::SetExternalSource( |
| 692 | llvm::IntrusiveRefCntPtr<ExternalASTSource> &ast_source_up) { |
| 693 | ASTContext &ast = getASTContext(); |
| 694 | ast.getTranslationUnitDecl()->setHasExternalLexicalStorage(true); |
| 695 | ast.setExternalSource(ast_source_up); |
| 696 | } |
| 697 | |
| 698 | ASTContext &TypeSystemClang::getASTContext() { |
| 699 | assert(m_ast_up)(static_cast <bool> (m_ast_up) ? void (0) : __assert_fail ("m_ast_up", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 699, __extension__ __PRETTY_FUNCTION__)); |
| 700 | return *m_ast_up; |
| 701 | } |
| 702 | |
| 703 | class NullDiagnosticConsumer : public DiagnosticConsumer { |
| 704 | public: |
| 705 | NullDiagnosticConsumer() { m_log = GetLog(LLDBLog::Expressions); } |
| 706 | |
| 707 | void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, |
| 708 | const clang::Diagnostic &info) override { |
| 709 | if (m_log) { |
| 710 | llvm::SmallVector<char, 32> diag_str(10); |
| 711 | info.FormatDiagnostic(diag_str); |
| 712 | diag_str.push_back('\0'); |
| 713 | 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); |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | DiagnosticConsumer *clone(DiagnosticsEngine &Diags) const { |
| 718 | return new NullDiagnosticConsumer(); |
| 719 | } |
| 720 | |
| 721 | private: |
| 722 | Log *m_log; |
| 723 | }; |
| 724 | |
| 725 | void TypeSystemClang::CreateASTContext() { |
| 726 | assert(!m_ast_up)(static_cast <bool> (!m_ast_up) ? void (0) : __assert_fail ("!m_ast_up", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 726, __extension__ __PRETTY_FUNCTION__)); |
| 727 | m_ast_owned = true; |
| 728 | |
| 729 | m_language_options_up = std::make_unique<LangOptions>(); |
| 730 | ParseLangArgs(*m_language_options_up, clang::Language::ObjCXX, |
| 731 | GetTargetTriple()); |
| 732 | |
| 733 | m_identifier_table_up = |
| 734 | std::make_unique<IdentifierTable>(*m_language_options_up, nullptr); |
| 735 | m_builtins_up = std::make_unique<Builtin::Context>(); |
| 736 | |
| 737 | m_selector_table_up = std::make_unique<SelectorTable>(); |
| 738 | |
| 739 | clang::FileSystemOptions file_system_options; |
| 740 | m_file_manager_up = std::make_unique<clang::FileManager>( |
| 741 | file_system_options, FileSystem::Instance().GetVirtualFileSystem()); |
| 742 | |
| 743 | llvm::IntrusiveRefCntPtr<DiagnosticIDs> diag_id_sp(new DiagnosticIDs()); |
| 744 | m_diagnostics_engine_up = |
| 745 | std::make_unique<DiagnosticsEngine>(diag_id_sp, new DiagnosticOptions()); |
| 746 | |
| 747 | m_source_manager_up = std::make_unique<clang::SourceManager>( |
| 748 | *m_diagnostics_engine_up, *m_file_manager_up); |
| 749 | m_ast_up = std::make_unique<ASTContext>( |
| 750 | *m_language_options_up, *m_source_manager_up, *m_identifier_table_up, |
| 751 | *m_selector_table_up, *m_builtins_up, TU_Complete); |
| 752 | |
| 753 | m_diagnostic_consumer_up = std::make_unique<NullDiagnosticConsumer>(); |
| 754 | m_ast_up->getDiagnostics().setClient(m_diagnostic_consumer_up.get(), false); |
| 755 | |
| 756 | // This can be NULL if we don't know anything about the architecture or if |
| 757 | // the target for an architecture isn't enabled in the llvm/clang that we |
| 758 | // built |
| 759 | TargetInfo *target_info = getTargetInfo(); |
| 760 | if (target_info) |
| 761 | m_ast_up->InitBuiltinTypes(*target_info); |
| 762 | |
| 763 | GetASTMap().Insert(m_ast_up.get(), this); |
| 764 | |
| 765 | llvm::IntrusiveRefCntPtr<clang::ExternalASTSource> ast_source_up( |
| 766 | new ClangExternalASTSourceCallbacks(*this)); |
| 767 | SetExternalSource(ast_source_up); |
| 768 | } |
| 769 | |
| 770 | TypeSystemClang *TypeSystemClang::GetASTContext(clang::ASTContext *ast) { |
| 771 | TypeSystemClang *clang_ast = GetASTMap().Lookup(ast); |
| 772 | return clang_ast; |
| 773 | } |
| 774 | |
| 775 | clang::MangleContext *TypeSystemClang::getMangleContext() { |
| 776 | if (m_mangle_ctx_up == nullptr) |
| 777 | m_mangle_ctx_up.reset(getASTContext().createMangleContext()); |
| 778 | return m_mangle_ctx_up.get(); |
| 779 | } |
| 780 | |
| 781 | std::shared_ptr<clang::TargetOptions> &TypeSystemClang::getTargetOptions() { |
| 782 | if (m_target_options_rp == nullptr && !m_target_triple.empty()) { |
| 783 | m_target_options_rp = std::make_shared<clang::TargetOptions>(); |
| 784 | if (m_target_options_rp != nullptr) |
| 785 | m_target_options_rp->Triple = m_target_triple; |
| 786 | } |
| 787 | return m_target_options_rp; |
| 788 | } |
| 789 | |
| 790 | TargetInfo *TypeSystemClang::getTargetInfo() { |
| 791 | // target_triple should be something like "x86_64-apple-macosx" |
| 792 | if (m_target_info_up == nullptr && !m_target_triple.empty()) |
| 793 | m_target_info_up.reset(TargetInfo::CreateTargetInfo( |
| 794 | getASTContext().getDiagnostics(), getTargetOptions())); |
| 795 | return m_target_info_up.get(); |
| 796 | } |
| 797 | |
| 798 | #pragma mark Basic Types |
| 799 | |
| 800 | static inline bool QualTypeMatchesBitSize(const uint64_t bit_size, |
| 801 | ASTContext &ast, QualType qual_type) { |
| 802 | uint64_t qual_type_bit_size = ast.getTypeSize(qual_type); |
| 803 | return qual_type_bit_size == bit_size; |
| 804 | } |
| 805 | |
| 806 | CompilerType |
| 807 | TypeSystemClang::GetBuiltinTypeForEncodingAndBitSize(Encoding encoding, |
| 808 | size_t bit_size) { |
| 809 | ASTContext &ast = getASTContext(); |
| 810 | switch (encoding) { |
| 811 | case eEncodingInvalid: |
| 812 | if (QualTypeMatchesBitSize(bit_size, ast, ast.VoidPtrTy)) |
| 813 | return GetType(ast.VoidPtrTy); |
| 814 | break; |
| 815 | |
| 816 | case eEncodingUint: |
| 817 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
| 818 | return GetType(ast.UnsignedCharTy); |
| 819 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
| 820 | return GetType(ast.UnsignedShortTy); |
| 821 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) |
| 822 | return GetType(ast.UnsignedIntTy); |
| 823 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy)) |
| 824 | return GetType(ast.UnsignedLongTy); |
| 825 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy)) |
| 826 | return GetType(ast.UnsignedLongLongTy); |
| 827 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty)) |
| 828 | return GetType(ast.UnsignedInt128Ty); |
| 829 | break; |
| 830 | |
| 831 | case eEncodingSint: |
| 832 | if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy)) |
| 833 | return GetType(ast.SignedCharTy); |
| 834 | if (QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy)) |
| 835 | return GetType(ast.ShortTy); |
| 836 | if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy)) |
| 837 | return GetType(ast.IntTy); |
| 838 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongTy)) |
| 839 | return GetType(ast.LongTy); |
| 840 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy)) |
| 841 | return GetType(ast.LongLongTy); |
| 842 | if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty)) |
| 843 | return GetType(ast.Int128Ty); |
| 844 | break; |
| 845 | |
| 846 | case eEncodingIEEE754: |
| 847 | if (QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy)) |
| 848 | return GetType(ast.FloatTy); |
| 849 | if (QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy)) |
| 850 | return GetType(ast.DoubleTy); |
| 851 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy)) |
| 852 | return GetType(ast.LongDoubleTy); |
| 853 | if (QualTypeMatchesBitSize(bit_size, ast, ast.HalfTy)) |
| 854 | return GetType(ast.HalfTy); |
| 855 | break; |
| 856 | |
| 857 | case eEncodingVector: |
| 858 | // Sanity check that bit_size is a multiple of 8's. |
| 859 | if (bit_size && !(bit_size & 0x7u)) |
| 860 | return GetType(ast.getExtVectorType(ast.UnsignedCharTy, bit_size / 8)); |
| 861 | break; |
| 862 | } |
| 863 | |
| 864 | return CompilerType(); |
| 865 | } |
| 866 | |
| 867 | lldb::BasicType |
| 868 | TypeSystemClang::GetBasicTypeEnumeration(ConstString name) { |
| 869 | if (name) { |
| 870 | typedef UniqueCStringMap<lldb::BasicType> TypeNameToBasicTypeMap; |
| 871 | static TypeNameToBasicTypeMap g_type_map; |
| 872 | static llvm::once_flag g_once_flag; |
| 873 | llvm::call_once(g_once_flag, []() { |
| 874 | // "void" |
| 875 | g_type_map.Append(ConstString("void"), eBasicTypeVoid); |
| 876 | |
| 877 | // "char" |
| 878 | g_type_map.Append(ConstString("char"), eBasicTypeChar); |
| 879 | g_type_map.Append(ConstString("signed char"), eBasicTypeSignedChar); |
| 880 | g_type_map.Append(ConstString("unsigned char"), eBasicTypeUnsignedChar); |
| 881 | g_type_map.Append(ConstString("wchar_t"), eBasicTypeWChar); |
| 882 | g_type_map.Append(ConstString("signed wchar_t"), eBasicTypeSignedWChar); |
| 883 | g_type_map.Append(ConstString("unsigned wchar_t"), |
| 884 | eBasicTypeUnsignedWChar); |
| 885 | // "short" |
| 886 | g_type_map.Append(ConstString("short"), eBasicTypeShort); |
| 887 | g_type_map.Append(ConstString("short int"), eBasicTypeShort); |
| 888 | g_type_map.Append(ConstString("unsigned short"), eBasicTypeUnsignedShort); |
| 889 | g_type_map.Append(ConstString("unsigned short int"), |
| 890 | eBasicTypeUnsignedShort); |
| 891 | |
| 892 | // "int" |
| 893 | g_type_map.Append(ConstString("int"), eBasicTypeInt); |
| 894 | g_type_map.Append(ConstString("signed int"), eBasicTypeInt); |
| 895 | g_type_map.Append(ConstString("unsigned int"), eBasicTypeUnsignedInt); |
| 896 | g_type_map.Append(ConstString("unsigned"), eBasicTypeUnsignedInt); |
| 897 | |
| 898 | // "long" |
| 899 | g_type_map.Append(ConstString("long"), eBasicTypeLong); |
| 900 | g_type_map.Append(ConstString("long int"), eBasicTypeLong); |
| 901 | g_type_map.Append(ConstString("unsigned long"), eBasicTypeUnsignedLong); |
| 902 | g_type_map.Append(ConstString("unsigned long int"), |
| 903 | eBasicTypeUnsignedLong); |
| 904 | |
| 905 | // "long long" |
| 906 | g_type_map.Append(ConstString("long long"), eBasicTypeLongLong); |
| 907 | g_type_map.Append(ConstString("long long int"), eBasicTypeLongLong); |
| 908 | g_type_map.Append(ConstString("unsigned long long"), |
| 909 | eBasicTypeUnsignedLongLong); |
| 910 | g_type_map.Append(ConstString("unsigned long long int"), |
| 911 | eBasicTypeUnsignedLongLong); |
| 912 | |
| 913 | // "int128" |
| 914 | g_type_map.Append(ConstString("__int128_t"), eBasicTypeInt128); |
| 915 | g_type_map.Append(ConstString("__uint128_t"), eBasicTypeUnsignedInt128); |
| 916 | |
| 917 | // Miscellaneous |
| 918 | g_type_map.Append(ConstString("bool"), eBasicTypeBool); |
| 919 | g_type_map.Append(ConstString("float"), eBasicTypeFloat); |
| 920 | g_type_map.Append(ConstString("double"), eBasicTypeDouble); |
| 921 | g_type_map.Append(ConstString("long double"), eBasicTypeLongDouble); |
| 922 | g_type_map.Append(ConstString("id"), eBasicTypeObjCID); |
| 923 | g_type_map.Append(ConstString("SEL"), eBasicTypeObjCSel); |
| 924 | g_type_map.Append(ConstString("nullptr"), eBasicTypeNullPtr); |
| 925 | g_type_map.Sort(); |
| 926 | }); |
| 927 | |
| 928 | return g_type_map.Find(name, eBasicTypeInvalid); |
| 929 | } |
| 930 | return eBasicTypeInvalid; |
| 931 | } |
| 932 | |
| 933 | uint32_t TypeSystemClang::GetPointerByteSize() { |
| 934 | if (m_pointer_byte_size == 0) |
| 935 | if (auto size = GetBasicType(lldb::eBasicTypeVoid) |
| 936 | .GetPointerType() |
| 937 | .GetByteSize(nullptr)) |
| 938 | m_pointer_byte_size = *size; |
| 939 | return m_pointer_byte_size; |
| 940 | } |
| 941 | |
| 942 | CompilerType TypeSystemClang::GetBasicType(lldb::BasicType basic_type) { |
| 943 | clang::ASTContext &ast = getASTContext(); |
| 944 | |
| 945 | lldb::opaque_compiler_type_t clang_type = |
| 946 | GetOpaqueCompilerType(&ast, basic_type); |
| 947 | |
| 948 | if (clang_type) |
| 949 | return CompilerType(weak_from_this(), clang_type); |
| 950 | return CompilerType(); |
| 951 | } |
| 952 | |
| 953 | CompilerType TypeSystemClang::GetBuiltinTypeForDWARFEncodingAndBitSize( |
| 954 | llvm::StringRef type_name, uint32_t dw_ate, uint32_t bit_size) { |
| 955 | ASTContext &ast = getASTContext(); |
| 956 | |
| 957 | switch (dw_ate) { |
| 958 | default: |
| 959 | break; |
| 960 | |
| 961 | case DW_ATE_address: |
| 962 | if (QualTypeMatchesBitSize(bit_size, ast, ast.VoidPtrTy)) |
| 963 | return GetType(ast.VoidPtrTy); |
| 964 | break; |
| 965 | |
| 966 | case DW_ATE_boolean: |
| 967 | if (QualTypeMatchesBitSize(bit_size, ast, ast.BoolTy)) |
| 968 | return GetType(ast.BoolTy); |
| 969 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
| 970 | return GetType(ast.UnsignedCharTy); |
| 971 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
| 972 | return GetType(ast.UnsignedShortTy); |
| 973 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) |
| 974 | return GetType(ast.UnsignedIntTy); |
| 975 | break; |
| 976 | |
| 977 | case DW_ATE_lo_user: |
| 978 | // This has been seen to mean DW_AT_complex_integer |
| 979 | if (type_name.contains("complex")) { |
| 980 | CompilerType complex_int_clang_type = |
| 981 | GetBuiltinTypeForDWARFEncodingAndBitSize("int", DW_ATE_signed, |
| 982 | bit_size / 2); |
| 983 | return GetType( |
| 984 | ast.getComplexType(ClangUtil::GetQualType(complex_int_clang_type))); |
| 985 | } |
| 986 | break; |
| 987 | |
| 988 | case DW_ATE_complex_float: { |
| 989 | CanQualType FloatComplexTy = ast.getComplexType(ast.FloatTy); |
| 990 | if (QualTypeMatchesBitSize(bit_size, ast, FloatComplexTy)) |
| 991 | return GetType(FloatComplexTy); |
| 992 | |
| 993 | CanQualType DoubleComplexTy = ast.getComplexType(ast.DoubleTy); |
| 994 | if (QualTypeMatchesBitSize(bit_size, ast, DoubleComplexTy)) |
| 995 | return GetType(DoubleComplexTy); |
| 996 | |
| 997 | CanQualType LongDoubleComplexTy = ast.getComplexType(ast.LongDoubleTy); |
| 998 | if (QualTypeMatchesBitSize(bit_size, ast, LongDoubleComplexTy)) |
| 999 | return GetType(LongDoubleComplexTy); |
| 1000 | |
| 1001 | CompilerType complex_float_clang_type = |
| 1002 | GetBuiltinTypeForDWARFEncodingAndBitSize("float", DW_ATE_float, |
| 1003 | bit_size / 2); |
| 1004 | return GetType( |
| 1005 | ast.getComplexType(ClangUtil::GetQualType(complex_float_clang_type))); |
| 1006 | } |
| 1007 | |
| 1008 | case DW_ATE_float: |
| 1009 | if (type_name == "float" && |
| 1010 | QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy)) |
| 1011 | return GetType(ast.FloatTy); |
| 1012 | if (type_name == "double" && |
| 1013 | QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy)) |
| 1014 | return GetType(ast.DoubleTy); |
| 1015 | if (type_name == "long double" && |
| 1016 | QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy)) |
| 1017 | return GetType(ast.LongDoubleTy); |
| 1018 | // Fall back to not requiring a name match |
| 1019 | if (QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy)) |
| 1020 | return GetType(ast.FloatTy); |
| 1021 | if (QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy)) |
| 1022 | return GetType(ast.DoubleTy); |
| 1023 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy)) |
| 1024 | return GetType(ast.LongDoubleTy); |
| 1025 | if (QualTypeMatchesBitSize(bit_size, ast, ast.HalfTy)) |
| 1026 | return GetType(ast.HalfTy); |
| 1027 | break; |
| 1028 | |
| 1029 | case DW_ATE_signed: |
| 1030 | if (!type_name.empty()) { |
| 1031 | if (type_name == "wchar_t" && |
| 1032 | QualTypeMatchesBitSize(bit_size, ast, ast.WCharTy) && |
| 1033 | (getTargetInfo() && |
| 1034 | TargetInfo::isTypeSigned(getTargetInfo()->getWCharType()))) |
| 1035 | return GetType(ast.WCharTy); |
| 1036 | if (type_name == "void" && |
| 1037 | QualTypeMatchesBitSize(bit_size, ast, ast.VoidTy)) |
| 1038 | return GetType(ast.VoidTy); |
| 1039 | if (type_name.contains("long long") && |
| 1040 | QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy)) |
| 1041 | return GetType(ast.LongLongTy); |
| 1042 | if (type_name.contains("long") && |
| 1043 | QualTypeMatchesBitSize(bit_size, ast, ast.LongTy)) |
| 1044 | return GetType(ast.LongTy); |
| 1045 | if (type_name.contains("short") && |
| 1046 | QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy)) |
| 1047 | return GetType(ast.ShortTy); |
| 1048 | if (type_name.contains("char")) { |
| 1049 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) |
| 1050 | return GetType(ast.CharTy); |
| 1051 | if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy)) |
| 1052 | return GetType(ast.SignedCharTy); |
| 1053 | } |
| 1054 | if (type_name.contains("int")) { |
| 1055 | if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy)) |
| 1056 | return GetType(ast.IntTy); |
| 1057 | if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty)) |
| 1058 | return GetType(ast.Int128Ty); |
| 1059 | } |
| 1060 | } |
| 1061 | // We weren't able to match up a type name, just search by size |
| 1062 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) |
| 1063 | return GetType(ast.CharTy); |
| 1064 | if (QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy)) |
| 1065 | return GetType(ast.ShortTy); |
| 1066 | if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy)) |
| 1067 | return GetType(ast.IntTy); |
| 1068 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongTy)) |
| 1069 | return GetType(ast.LongTy); |
| 1070 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy)) |
| 1071 | return GetType(ast.LongLongTy); |
| 1072 | if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty)) |
| 1073 | return GetType(ast.Int128Ty); |
| 1074 | break; |
| 1075 | |
| 1076 | case DW_ATE_signed_char: |
| 1077 | if (type_name == "char") { |
| 1078 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) |
| 1079 | return GetType(ast.CharTy); |
| 1080 | } |
| 1081 | if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy)) |
| 1082 | return GetType(ast.SignedCharTy); |
| 1083 | break; |
| 1084 | |
| 1085 | case DW_ATE_unsigned: |
| 1086 | if (!type_name.empty()) { |
| 1087 | if (type_name == "wchar_t") { |
| 1088 | if (QualTypeMatchesBitSize(bit_size, ast, ast.WCharTy)) { |
| 1089 | if (!(getTargetInfo() && |
| 1090 | TargetInfo::isTypeSigned(getTargetInfo()->getWCharType()))) |
| 1091 | return GetType(ast.WCharTy); |
| 1092 | } |
| 1093 | } |
| 1094 | if (type_name.contains("long long")) { |
| 1095 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy)) |
| 1096 | return GetType(ast.UnsignedLongLongTy); |
| 1097 | } else if (type_name.contains("long")) { |
| 1098 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy)) |
| 1099 | return GetType(ast.UnsignedLongTy); |
| 1100 | } else if (type_name.contains("short")) { |
| 1101 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
| 1102 | return GetType(ast.UnsignedShortTy); |
| 1103 | } else if (type_name.contains("char")) { |
| 1104 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
| 1105 | return GetType(ast.UnsignedCharTy); |
| 1106 | } else if (type_name.contains("int")) { |
| 1107 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) |
| 1108 | return GetType(ast.UnsignedIntTy); |
| 1109 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty)) |
| 1110 | return GetType(ast.UnsignedInt128Ty); |
| 1111 | } |
| 1112 | } |
| 1113 | // We weren't able to match up a type name, just search by size |
| 1114 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
| 1115 | return GetType(ast.UnsignedCharTy); |
| 1116 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
| 1117 | return GetType(ast.UnsignedShortTy); |
| 1118 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) |
| 1119 | return GetType(ast.UnsignedIntTy); |
| 1120 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy)) |
| 1121 | return GetType(ast.UnsignedLongTy); |
| 1122 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy)) |
| 1123 | return GetType(ast.UnsignedLongLongTy); |
| 1124 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty)) |
| 1125 | return GetType(ast.UnsignedInt128Ty); |
| 1126 | break; |
| 1127 | |
| 1128 | case DW_ATE_unsigned_char: |
| 1129 | if (type_name == "char") { |
| 1130 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) |
| 1131 | return GetType(ast.CharTy); |
| 1132 | } |
| 1133 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
| 1134 | return GetType(ast.UnsignedCharTy); |
| 1135 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
| 1136 | return GetType(ast.UnsignedShortTy); |
| 1137 | break; |
| 1138 | |
| 1139 | case DW_ATE_imaginary_float: |
| 1140 | break; |
| 1141 | |
| 1142 | case DW_ATE_UTF: |
| 1143 | switch (bit_size) { |
| 1144 | case 8: |
| 1145 | return GetType(ast.Char8Ty); |
| 1146 | case 16: |
| 1147 | return GetType(ast.Char16Ty); |
| 1148 | case 32: |
| 1149 | return GetType(ast.Char32Ty); |
| 1150 | default: |
| 1151 | if (!type_name.empty()) { |
| 1152 | if (type_name == "char16_t") |
| 1153 | return GetType(ast.Char16Ty); |
| 1154 | if (type_name == "char32_t") |
| 1155 | return GetType(ast.Char32Ty); |
| 1156 | if (type_name == "char8_t") |
| 1157 | return GetType(ast.Char8Ty); |
| 1158 | } |
| 1159 | } |
| 1160 | break; |
| 1161 | } |
| 1162 | |
| 1163 | Log *log = GetLog(LLDBLog::Types); |
| 1164 | LLDB_LOG(log,do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "error: need to add support for DW_TAG_base_type '{0}' " "encoded with DW_ATE = {1:x}, bit_size = {2}", type_name, dw_ate , bit_size); } while (0) |
| 1165 | "error: need to add support for DW_TAG_base_type '{0}' "do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "error: need to add support for DW_TAG_base_type '{0}' " "encoded with DW_ATE = {1:x}, bit_size = {2}", type_name, dw_ate , bit_size); } while (0) |
| 1166 | "encoded with DW_ATE = {1:x}, bit_size = {2}",do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "error: need to add support for DW_TAG_base_type '{0}' " "encoded with DW_ATE = {1:x}, bit_size = {2}", type_name, dw_ate , bit_size); } while (0) |
| 1167 | type_name, dw_ate, bit_size)do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "error: need to add support for DW_TAG_base_type '{0}' " "encoded with DW_ATE = {1:x}, bit_size = {2}", type_name, dw_ate , bit_size); } while (0); |
| 1168 | return CompilerType(); |
| 1169 | } |
| 1170 | |
| 1171 | CompilerType TypeSystemClang::GetCStringType(bool is_const) { |
| 1172 | ASTContext &ast = getASTContext(); |
| 1173 | QualType char_type(ast.CharTy); |
| 1174 | |
| 1175 | if (is_const) |
| 1176 | char_type.addConst(); |
| 1177 | |
| 1178 | return GetType(ast.getPointerType(char_type)); |
| 1179 | } |
| 1180 | |
| 1181 | bool TypeSystemClang::AreTypesSame(CompilerType type1, CompilerType type2, |
| 1182 | bool ignore_qualifiers) { |
| 1183 | auto ast = type1.GetTypeSystem().dyn_cast_or_null<TypeSystemClang>(); |
| 1184 | if (!ast || type1.GetTypeSystem() != type2.GetTypeSystem()) |
| 1185 | return false; |
| 1186 | |
| 1187 | if (type1.GetOpaqueQualType() == type2.GetOpaqueQualType()) |
| 1188 | return true; |
| 1189 | |
| 1190 | QualType type1_qual = ClangUtil::GetQualType(type1); |
| 1191 | QualType type2_qual = ClangUtil::GetQualType(type2); |
| 1192 | |
| 1193 | if (ignore_qualifiers) { |
| 1194 | type1_qual = type1_qual.getUnqualifiedType(); |
| 1195 | type2_qual = type2_qual.getUnqualifiedType(); |
| 1196 | } |
| 1197 | |
| 1198 | return ast->getASTContext().hasSameType(type1_qual, type2_qual); |
| 1199 | } |
| 1200 | |
| 1201 | CompilerType TypeSystemClang::GetTypeForDecl(void *opaque_decl) { |
| 1202 | if (!opaque_decl) |
| 1203 | return CompilerType(); |
| 1204 | |
| 1205 | clang::Decl *decl = static_cast<clang::Decl *>(opaque_decl); |
| 1206 | if (auto *named_decl = llvm::dyn_cast<clang::NamedDecl>(decl)) |
| 1207 | return GetTypeForDecl(named_decl); |
| 1208 | return CompilerType(); |
| 1209 | } |
| 1210 | |
| 1211 | CompilerDeclContext TypeSystemClang::CreateDeclContext(DeclContext *ctx) { |
| 1212 | // Check that the DeclContext actually belongs to this ASTContext. |
| 1213 | assert(&ctx->getParentASTContext() == &getASTContext())(static_cast <bool> (&ctx->getParentASTContext() == &getASTContext()) ? void (0) : __assert_fail ("&ctx->getParentASTContext() == &getASTContext()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1213, __extension__ __PRETTY_FUNCTION__)); |
| 1214 | return CompilerDeclContext(this, ctx); |
| 1215 | } |
| 1216 | |
| 1217 | CompilerType TypeSystemClang::GetTypeForDecl(clang::NamedDecl *decl) { |
| 1218 | if (clang::ObjCInterfaceDecl *interface_decl = |
| 1219 | llvm::dyn_cast<clang::ObjCInterfaceDecl>(decl)) |
| 1220 | return GetTypeForDecl(interface_decl); |
| 1221 | if (clang::TagDecl *tag_decl = llvm::dyn_cast<clang::TagDecl>(decl)) |
| 1222 | return GetTypeForDecl(tag_decl); |
| 1223 | return CompilerType(); |
| 1224 | } |
| 1225 | |
| 1226 | CompilerType TypeSystemClang::GetTypeForDecl(TagDecl *decl) { |
| 1227 | return GetType(getASTContext().getTagDeclType(decl)); |
| 1228 | } |
| 1229 | |
| 1230 | CompilerType TypeSystemClang::GetTypeForDecl(ObjCInterfaceDecl *decl) { |
| 1231 | return GetType(getASTContext().getObjCInterfaceType(decl)); |
| 1232 | } |
| 1233 | |
| 1234 | #pragma mark Structure, Unions, Classes |
| 1235 | |
| 1236 | void TypeSystemClang::SetOwningModule(clang::Decl *decl, |
| 1237 | OptionalClangModuleID owning_module) { |
| 1238 | if (!decl || !owning_module.HasValue()) |
| 1239 | return; |
| 1240 | |
| 1241 | decl->setFromASTFile(); |
| 1242 | decl->setOwningModuleID(owning_module.GetValue()); |
| 1243 | decl->setModuleOwnershipKind(clang::Decl::ModuleOwnershipKind::Visible); |
| 1244 | } |
| 1245 | |
| 1246 | OptionalClangModuleID |
| 1247 | TypeSystemClang::GetOrCreateClangModule(llvm::StringRef name, |
| 1248 | OptionalClangModuleID parent, |
| 1249 | bool is_framework, bool is_explicit) { |
| 1250 | // Get the external AST source which holds the modules. |
| 1251 | auto *ast_source = llvm::dyn_cast_or_null<ClangExternalASTSourceCallbacks>( |
| 1252 | getASTContext().getExternalSource()); |
| 1253 | assert(ast_source && "external ast source was lost")(static_cast <bool> (ast_source && "external ast source was lost" ) ? void (0) : __assert_fail ("ast_source && \"external ast source was lost\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1253, __extension__ __PRETTY_FUNCTION__)); |
| 1254 | if (!ast_source) |
| 1255 | return {}; |
| 1256 | |
| 1257 | // Lazily initialize the module map. |
| 1258 | if (!m_header_search_up) { |
| 1259 | auto HSOpts = std::make_shared<clang::HeaderSearchOptions>(); |
| 1260 | m_header_search_up = std::make_unique<clang::HeaderSearch>( |
| 1261 | HSOpts, *m_source_manager_up, *m_diagnostics_engine_up, |
| 1262 | *m_language_options_up, m_target_info_up.get()); |
| 1263 | m_module_map_up = std::make_unique<clang::ModuleMap>( |
| 1264 | *m_source_manager_up, *m_diagnostics_engine_up, *m_language_options_up, |
| 1265 | m_target_info_up.get(), *m_header_search_up); |
| 1266 | } |
| 1267 | |
| 1268 | // Get or create the module context. |
| 1269 | bool created; |
| 1270 | clang::Module *module; |
| 1271 | auto parent_desc = ast_source->getSourceDescriptor(parent.GetValue()); |
| 1272 | std::tie(module, created) = m_module_map_up->findOrCreateModule( |
| 1273 | name, parent_desc ? parent_desc->getModuleOrNull() : nullptr, |
| 1274 | is_framework, is_explicit); |
| 1275 | if (!created) |
| 1276 | return ast_source->GetIDForModule(module); |
| 1277 | |
| 1278 | return ast_source->RegisterModule(module); |
| 1279 | } |
| 1280 | |
| 1281 | CompilerType TypeSystemClang::CreateRecordType( |
| 1282 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 1283 | AccessType access_type, llvm::StringRef name, int kind, |
| 1284 | LanguageType language, ClangASTMetadata *metadata, bool exports_symbols) { |
| 1285 | ASTContext &ast = getASTContext(); |
| 1286 | |
| 1287 | if (decl_ctx == nullptr) |
| 1288 | decl_ctx = ast.getTranslationUnitDecl(); |
| 1289 | |
| 1290 | if (language == eLanguageTypeObjC || |
| 1291 | language == eLanguageTypeObjC_plus_plus) { |
| 1292 | bool isForwardDecl = true; |
| 1293 | bool isInternal = false; |
| 1294 | return CreateObjCClass(name, decl_ctx, owning_module, isForwardDecl, |
| 1295 | isInternal, metadata); |
| 1296 | } |
| 1297 | |
| 1298 | // NOTE: Eventually CXXRecordDecl will be merged back into RecordDecl and |
| 1299 | // we will need to update this code. I was told to currently always use the |
| 1300 | // CXXRecordDecl class since we often don't know from debug information if |
| 1301 | // something is struct or a class, so we default to always use the more |
| 1302 | // complete definition just in case. |
| 1303 | |
| 1304 | bool has_name = !name.empty(); |
| 1305 | CXXRecordDecl *decl = CXXRecordDecl::CreateDeserialized(ast, 0); |
| 1306 | decl->setTagKind(static_cast<TagDecl::TagKind>(kind)); |
| 1307 | decl->setDeclContext(decl_ctx); |
| 1308 | if (has_name) |
| 1309 | decl->setDeclName(&ast.Idents.get(name)); |
| 1310 | SetOwningModule(decl, owning_module); |
| 1311 | |
| 1312 | if (!has_name) { |
| 1313 | // In C++ a lambda is also represented as an unnamed class. This is |
| 1314 | // different from an *anonymous class* that the user wrote: |
| 1315 | // |
| 1316 | // struct A { |
| 1317 | // // anonymous class (GNU/MSVC extension) |
| 1318 | // struct { |
| 1319 | // int x; |
| 1320 | // }; |
| 1321 | // // unnamed class within a class |
| 1322 | // struct { |
| 1323 | // int y; |
| 1324 | // } B; |
| 1325 | // }; |
| 1326 | // |
| 1327 | // void f() { |
| 1328 | // // unammed class outside of a class |
| 1329 | // struct { |
| 1330 | // int z; |
| 1331 | // } C; |
| 1332 | // } |
| 1333 | // |
| 1334 | // Anonymous classes is a GNU/MSVC extension that clang supports. It |
| 1335 | // requires the anonymous class be embedded within a class. So the new |
| 1336 | // heuristic verifies this condition. |
| 1337 | if (isa<CXXRecordDecl>(decl_ctx) && exports_symbols) |
| 1338 | decl->setAnonymousStructOrUnion(true); |
| 1339 | } |
| 1340 | |
| 1341 | if (metadata) |
| 1342 | SetMetadata(decl, *metadata); |
| 1343 | |
| 1344 | if (access_type != eAccessNone) |
| 1345 | decl->setAccess(ConvertAccessTypeToAccessSpecifier(access_type)); |
| 1346 | |
| 1347 | if (decl_ctx) |
| 1348 | decl_ctx->addDecl(decl); |
| 1349 | |
| 1350 | return GetType(ast.getTagDeclType(decl)); |
| 1351 | } |
| 1352 | |
| 1353 | namespace { |
| 1354 | /// Returns true iff the given TemplateArgument should be represented as an |
| 1355 | /// NonTypeTemplateParmDecl in the AST. |
| 1356 | bool IsValueParam(const clang::TemplateArgument &argument) { |
| 1357 | return argument.getKind() == TemplateArgument::Integral; |
| 1358 | } |
| 1359 | |
| 1360 | void AddAccessSpecifierDecl(clang::CXXRecordDecl *cxx_record_decl, |
| 1361 | ASTContext &ct, |
| 1362 | clang::AccessSpecifier previous_access, |
| 1363 | clang::AccessSpecifier access_specifier) { |
| 1364 | if (!cxx_record_decl->isClass() && !cxx_record_decl->isStruct()) |
| 1365 | return; |
| 1366 | if (previous_access != access_specifier) { |
| 1367 | // For struct, don't add AS_public if it's the first AccessSpecDecl. |
| 1368 | // For class, don't add AS_private if it's the first AccessSpecDecl. |
| 1369 | if ((cxx_record_decl->isStruct() && |
| 1370 | previous_access == clang::AccessSpecifier::AS_none && |
| 1371 | access_specifier == clang::AccessSpecifier::AS_public) || |
| 1372 | (cxx_record_decl->isClass() && |
| 1373 | previous_access == clang::AccessSpecifier::AS_none && |
| 1374 | access_specifier == clang::AccessSpecifier::AS_private)) { |
| 1375 | return; |
| 1376 | } |
| 1377 | cxx_record_decl->addDecl( |
| 1378 | AccessSpecDecl::Create(ct, access_specifier, cxx_record_decl, |
| 1379 | SourceLocation(), SourceLocation())); |
| 1380 | } |
| 1381 | } |
| 1382 | } // namespace |
| 1383 | |
| 1384 | static TemplateParameterList *CreateTemplateParameterList( |
| 1385 | ASTContext &ast, |
| 1386 | const TypeSystemClang::TemplateParameterInfos &template_param_infos, |
| 1387 | llvm::SmallVector<NamedDecl *, 8> &template_param_decls) { |
| 1388 | const bool parameter_pack = false; |
| 1389 | const bool is_typename = false; |
| 1390 | const unsigned depth = 0; |
| 1391 | const size_t num_template_params = template_param_infos.Size(); |
| 1392 | DeclContext *const decl_context = |
| 1393 | ast.getTranslationUnitDecl(); // Is this the right decl context?, |
| 1394 | |
| 1395 | auto const &args = template_param_infos.GetArgs(); |
| 1396 | auto const &names = template_param_infos.GetNames(); |
| 1397 | for (size_t i = 0; i < num_template_params; ++i) { |
| 1398 | const char *name = names[i]; |
| 1399 | |
| 1400 | IdentifierInfo *identifier_info = nullptr; |
| 1401 | if (name && name[0]) |
| 1402 | identifier_info = &ast.Idents.get(name); |
| 1403 | TemplateArgument const &targ = args[i]; |
| 1404 | if (IsValueParam(targ)) { |
| 1405 | QualType template_param_type = targ.getIntegralType(); |
| 1406 | template_param_decls.push_back(NonTypeTemplateParmDecl::Create( |
| 1407 | ast, decl_context, SourceLocation(), SourceLocation(), depth, i, |
| 1408 | identifier_info, template_param_type, parameter_pack, |
| 1409 | ast.getTrivialTypeSourceInfo(template_param_type))); |
| 1410 | } else { |
| 1411 | template_param_decls.push_back(TemplateTypeParmDecl::Create( |
| 1412 | ast, decl_context, SourceLocation(), SourceLocation(), depth, i, |
| 1413 | identifier_info, is_typename, parameter_pack)); |
| 1414 | } |
| 1415 | } |
| 1416 | |
| 1417 | if (template_param_infos.hasParameterPack()) { |
| 1418 | IdentifierInfo *identifier_info = nullptr; |
| 1419 | if (template_param_infos.HasPackName()) |
| 1420 | identifier_info = &ast.Idents.get(template_param_infos.GetPackName()); |
| 1421 | const bool parameter_pack_true = true; |
| 1422 | |
| 1423 | if (!template_param_infos.GetParameterPack().IsEmpty() && |
| 1424 | IsValueParam(template_param_infos.GetParameterPack().Front())) { |
| 1425 | QualType template_param_type = |
| 1426 | template_param_infos.GetParameterPack().Front().getIntegralType(); |
| 1427 | template_param_decls.push_back(NonTypeTemplateParmDecl::Create( |
| 1428 | ast, decl_context, SourceLocation(), SourceLocation(), depth, |
| 1429 | num_template_params, identifier_info, template_param_type, |
| 1430 | parameter_pack_true, |
| 1431 | ast.getTrivialTypeSourceInfo(template_param_type))); |
| 1432 | } else { |
| 1433 | template_param_decls.push_back(TemplateTypeParmDecl::Create( |
| 1434 | ast, decl_context, SourceLocation(), SourceLocation(), depth, |
| 1435 | num_template_params, identifier_info, is_typename, |
| 1436 | parameter_pack_true)); |
| 1437 | } |
| 1438 | } |
| 1439 | clang::Expr *const requires_clause = nullptr; // TODO: Concepts |
| 1440 | TemplateParameterList *template_param_list = TemplateParameterList::Create( |
| 1441 | ast, SourceLocation(), SourceLocation(), template_param_decls, |
| 1442 | SourceLocation(), requires_clause); |
| 1443 | return template_param_list; |
| 1444 | } |
| 1445 | |
| 1446 | std::string TypeSystemClang::PrintTemplateParams( |
| 1447 | const TemplateParameterInfos &template_param_infos) { |
| 1448 | llvm::SmallVector<NamedDecl *, 8> ignore; |
| 1449 | clang::TemplateParameterList *template_param_list = |
| 1450 | CreateTemplateParameterList(getASTContext(), template_param_infos, |
| 1451 | ignore); |
| 1452 | llvm::SmallVector<clang::TemplateArgument, 2> args( |
| 1453 | template_param_infos.GetArgs()); |
| 1454 | if (template_param_infos.hasParameterPack()) { |
| 1455 | llvm::ArrayRef<TemplateArgument> pack_args = |
| 1456 | template_param_infos.GetParameterPackArgs(); |
| 1457 | args.append(pack_args.begin(), pack_args.end()); |
| 1458 | } |
| 1459 | std::string str; |
| 1460 | llvm::raw_string_ostream os(str); |
| 1461 | clang::printTemplateArgumentList(os, args, GetTypePrintingPolicy(), |
| 1462 | template_param_list); |
| 1463 | return str; |
| 1464 | } |
| 1465 | |
| 1466 | clang::FunctionTemplateDecl *TypeSystemClang::CreateFunctionTemplateDecl( |
| 1467 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 1468 | clang::FunctionDecl *func_decl, |
| 1469 | const TemplateParameterInfos &template_param_infos) { |
| 1470 | // /// Create a function template node. |
| 1471 | ASTContext &ast = getASTContext(); |
| 1472 | |
| 1473 | llvm::SmallVector<NamedDecl *, 8> template_param_decls; |
| 1474 | TemplateParameterList *template_param_list = CreateTemplateParameterList( |
| 1475 | ast, template_param_infos, template_param_decls); |
| 1476 | FunctionTemplateDecl *func_tmpl_decl = |
| 1477 | FunctionTemplateDecl::CreateDeserialized(ast, 0); |
| 1478 | func_tmpl_decl->setDeclContext(decl_ctx); |
| 1479 | func_tmpl_decl->setLocation(func_decl->getLocation()); |
| 1480 | func_tmpl_decl->setDeclName(func_decl->getDeclName()); |
| 1481 | func_tmpl_decl->setTemplateParameters(template_param_list); |
| 1482 | func_tmpl_decl->init(func_decl); |
| 1483 | SetOwningModule(func_tmpl_decl, owning_module); |
| 1484 | |
| 1485 | for (size_t i = 0, template_param_decl_count = template_param_decls.size(); |
| 1486 | i < template_param_decl_count; ++i) { |
| 1487 | // TODO: verify which decl context we should put template_param_decls into.. |
| 1488 | template_param_decls[i]->setDeclContext(func_decl); |
| 1489 | } |
| 1490 | // Function templates inside a record need to have an access specifier. |
| 1491 | // It doesn't matter what access specifier we give the template as LLDB |
| 1492 | // anyway allows accessing everything inside a record. |
| 1493 | if (decl_ctx->isRecord()) |
| 1494 | func_tmpl_decl->setAccess(clang::AccessSpecifier::AS_public); |
| 1495 | |
| 1496 | return func_tmpl_decl; |
| 1497 | } |
| 1498 | |
| 1499 | void TypeSystemClang::CreateFunctionTemplateSpecializationInfo( |
| 1500 | FunctionDecl *func_decl, clang::FunctionTemplateDecl *func_tmpl_decl, |
| 1501 | const TemplateParameterInfos &infos) { |
| 1502 | TemplateArgumentList *template_args_ptr = TemplateArgumentList::CreateCopy( |
| 1503 | func_decl->getASTContext(), infos.GetArgs()); |
| 1504 | |
| 1505 | func_decl->setFunctionTemplateSpecialization(func_tmpl_decl, |
| 1506 | template_args_ptr, nullptr); |
| 1507 | } |
| 1508 | |
| 1509 | /// Returns true if the given template parameter can represent the given value. |
| 1510 | /// For example, `typename T` can represent `int` but not integral values such |
| 1511 | /// as `int I = 3`. |
| 1512 | static bool TemplateParameterAllowsValue(NamedDecl *param, |
| 1513 | const TemplateArgument &value) { |
| 1514 | if (llvm::isa<TemplateTypeParmDecl>(param)) { |
| 1515 | // Compare the argument kind, i.e. ensure that <typename> != <int>. |
| 1516 | if (value.getKind() != TemplateArgument::Type) |
| 1517 | return false; |
| 1518 | } else if (auto *type_param = |
| 1519 | llvm::dyn_cast<NonTypeTemplateParmDecl>(param)) { |
| 1520 | // Compare the argument kind, i.e. ensure that <typename> != <int>. |
| 1521 | if (!IsValueParam(value)) |
| 1522 | return false; |
| 1523 | // Compare the integral type, i.e. ensure that <int> != <char>. |
| 1524 | if (type_param->getType() != value.getIntegralType()) |
| 1525 | return false; |
| 1526 | } else { |
| 1527 | // There is no way to create other parameter decls at the moment, so we |
| 1528 | // can't reach this case during normal LLDB usage. Log that this happened |
| 1529 | // and assert. |
| 1530 | Log *log = GetLog(LLDBLog::Expressions); |
| 1531 | LLDB_LOG(log,do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Don't know how to compare template parameter to passed" " value. Decl kind of parameter is: {0}", param->getDeclKindName ()); } while (0) |
| 1532 | "Don't know how to compare template parameter to passed"do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Don't know how to compare template parameter to passed" " value. Decl kind of parameter is: {0}", param->getDeclKindName ()); } while (0) |
| 1533 | " value. Decl kind of parameter is: {0}",do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Don't know how to compare template parameter to passed" " value. Decl kind of parameter is: {0}", param->getDeclKindName ()); } while (0) |
| 1534 | param->getDeclKindName())do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Don't know how to compare template parameter to passed" " value. Decl kind of parameter is: {0}", param->getDeclKindName ()); } while (0); |
| 1535 | lldbassert(false && "Can't compare this TemplateParmDecl subclass")lldb_private::lldb_assert(static_cast<bool>(false && "Can't compare this TemplateParmDecl subclass"), "false && \"Can't compare this TemplateParmDecl subclass\"" , __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 1535); |
| 1536 | // In release builds just fall back to marking the parameter as not |
| 1537 | // accepting the value so that we don't try to fit an instantiation to a |
| 1538 | // template that doesn't fit. E.g., avoid that `S<1>` is being connected to |
| 1539 | // `template<typename T> struct S;`. |
| 1540 | return false; |
| 1541 | } |
| 1542 | return true; |
| 1543 | } |
| 1544 | |
| 1545 | /// Returns true if the given class template declaration could produce an |
| 1546 | /// instantiation with the specified values. |
| 1547 | /// For example, `<typename T>` allows the arguments `float`, but not for |
| 1548 | /// example `bool, float` or `3` (as an integer parameter value). |
| 1549 | static bool ClassTemplateAllowsToInstantiationArgs( |
| 1550 | ClassTemplateDecl *class_template_decl, |
| 1551 | const TypeSystemClang::TemplateParameterInfos &instantiation_values) { |
| 1552 | |
| 1553 | TemplateParameterList ¶ms = *class_template_decl->getTemplateParameters(); |
| 1554 | |
| 1555 | // Save some work by iterating only once over the found parameters and |
| 1556 | // calculate the information related to parameter packs. |
| 1557 | |
| 1558 | // Contains the first pack parameter (or non if there are none). |
| 1559 | std::optional<NamedDecl *> pack_parameter; |
| 1560 | // Contains the number of non-pack parameters. |
| 1561 | size_t non_pack_params = params.size(); |
| 1562 | for (size_t i = 0; i < params.size(); ++i) { |
| 1563 | NamedDecl *param = params.getParam(i); |
| 1564 | if (param->isParameterPack()) { |
| 1565 | pack_parameter = param; |
| 1566 | non_pack_params = i; |
| 1567 | break; |
| 1568 | } |
| 1569 | } |
| 1570 | |
| 1571 | // The found template needs to have compatible non-pack template arguments. |
| 1572 | // E.g., ensure that <typename, typename> != <typename>. |
| 1573 | // The pack parameters are compared later. |
| 1574 | if (non_pack_params != instantiation_values.Size()) |
| 1575 | return false; |
| 1576 | |
| 1577 | // Ensure that <typename...> != <typename>. |
| 1578 | if (pack_parameter.has_value() != instantiation_values.hasParameterPack()) |
| 1579 | return false; |
| 1580 | |
| 1581 | // Compare the first pack parameter that was found with the first pack |
| 1582 | // parameter value. The special case of having an empty parameter pack value |
| 1583 | // always fits to a pack parameter. |
| 1584 | // E.g., ensure that <int...> != <typename...>. |
| 1585 | if (pack_parameter && !instantiation_values.GetParameterPack().IsEmpty() && |
| 1586 | !TemplateParameterAllowsValue( |
| 1587 | *pack_parameter, instantiation_values.GetParameterPack().Front())) |
| 1588 | return false; |
| 1589 | |
| 1590 | // Compare all the non-pack parameters now. |
| 1591 | // E.g., ensure that <int> != <long>. |
| 1592 | for (const auto pair : |
| 1593 | llvm::zip_first(instantiation_values.GetArgs(), params)) { |
| 1594 | const TemplateArgument &passed_arg = std::get<0>(pair); |
| 1595 | NamedDecl *found_param = std::get<1>(pair); |
| 1596 | if (!TemplateParameterAllowsValue(found_param, passed_arg)) |
| 1597 | return false; |
| 1598 | } |
| 1599 | |
| 1600 | return class_template_decl; |
| 1601 | } |
| 1602 | |
| 1603 | ClassTemplateDecl *TypeSystemClang::CreateClassTemplateDecl( |
| 1604 | DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 1605 | lldb::AccessType access_type, llvm::StringRef class_name, int kind, |
| 1606 | const TemplateParameterInfos &template_param_infos) { |
| 1607 | ASTContext &ast = getASTContext(); |
| 1608 | |
| 1609 | ClassTemplateDecl *class_template_decl = nullptr; |
| 1610 | if (decl_ctx == nullptr) |
| 1611 | decl_ctx = ast.getTranslationUnitDecl(); |
| 1612 | |
| 1613 | IdentifierInfo &identifier_info = ast.Idents.get(class_name); |
| 1614 | DeclarationName decl_name(&identifier_info); |
| 1615 | |
| 1616 | // Search the AST for an existing ClassTemplateDecl that could be reused. |
| 1617 | clang::DeclContext::lookup_result result = decl_ctx->lookup(decl_name); |
| 1618 | for (NamedDecl *decl : result) { |
| 1619 | class_template_decl = dyn_cast<clang::ClassTemplateDecl>(decl); |
| 1620 | if (!class_template_decl) |
| 1621 | continue; |
| 1622 | // The class template has to be able to represents the instantiation |
| 1623 | // values we received. Without this we might end up putting an instantiation |
| 1624 | // with arguments such as <int, int> to a template such as: |
| 1625 | // template<typename T> struct S; |
| 1626 | // Connecting the instantiation to an incompatible template could cause |
| 1627 | // problems later on. |
| 1628 | if (!ClassTemplateAllowsToInstantiationArgs(class_template_decl, |
| 1629 | template_param_infos)) |
| 1630 | continue; |
| 1631 | return class_template_decl; |
| 1632 | } |
| 1633 | |
| 1634 | llvm::SmallVector<NamedDecl *, 8> template_param_decls; |
| 1635 | |
| 1636 | TemplateParameterList *template_param_list = CreateTemplateParameterList( |
| 1637 | ast, template_param_infos, template_param_decls); |
| 1638 | |
| 1639 | CXXRecordDecl *template_cxx_decl = CXXRecordDecl::CreateDeserialized(ast, 0); |
| 1640 | template_cxx_decl->setTagKind(static_cast<TagDecl::TagKind>(kind)); |
| 1641 | // What decl context do we use here? TU? The actual decl context? |
| 1642 | template_cxx_decl->setDeclContext(decl_ctx); |
| 1643 | template_cxx_decl->setDeclName(decl_name); |
| 1644 | SetOwningModule(template_cxx_decl, owning_module); |
| 1645 | |
| 1646 | for (size_t i = 0, template_param_decl_count = template_param_decls.size(); |
| 1647 | i < template_param_decl_count; ++i) { |
| 1648 | template_param_decls[i]->setDeclContext(template_cxx_decl); |
| 1649 | } |
| 1650 | |
| 1651 | // With templated classes, we say that a class is templated with |
| 1652 | // specializations, but that the bare class has no functions. |
| 1653 | // template_cxx_decl->startDefinition(); |
| 1654 | // template_cxx_decl->completeDefinition(); |
| 1655 | |
| 1656 | class_template_decl = ClassTemplateDecl::CreateDeserialized(ast, 0); |
| 1657 | // What decl context do we use here? TU? The actual decl context? |
| 1658 | class_template_decl->setDeclContext(decl_ctx); |
| 1659 | class_template_decl->setDeclName(decl_name); |
| 1660 | class_template_decl->setTemplateParameters(template_param_list); |
| 1661 | class_template_decl->init(template_cxx_decl); |
| 1662 | template_cxx_decl->setDescribedClassTemplate(class_template_decl); |
| 1663 | SetOwningModule(class_template_decl, owning_module); |
| 1664 | |
| 1665 | if (access_type != eAccessNone) |
| 1666 | class_template_decl->setAccess( |
| 1667 | ConvertAccessTypeToAccessSpecifier(access_type)); |
| 1668 | |
| 1669 | decl_ctx->addDecl(class_template_decl); |
| 1670 | |
| 1671 | VerifyDecl(class_template_decl); |
| 1672 | |
| 1673 | return class_template_decl; |
| 1674 | } |
| 1675 | |
| 1676 | TemplateTemplateParmDecl * |
| 1677 | TypeSystemClang::CreateTemplateTemplateParmDecl(const char *template_name) { |
| 1678 | ASTContext &ast = getASTContext(); |
| 1679 | |
| 1680 | auto *decl_ctx = ast.getTranslationUnitDecl(); |
| 1681 | |
| 1682 | IdentifierInfo &identifier_info = ast.Idents.get(template_name); |
| 1683 | llvm::SmallVector<NamedDecl *, 8> template_param_decls; |
| 1684 | |
| 1685 | TypeSystemClang::TemplateParameterInfos template_param_infos; |
| 1686 | TemplateParameterList *template_param_list = CreateTemplateParameterList( |
| 1687 | ast, template_param_infos, template_param_decls); |
| 1688 | |
| 1689 | // LLDB needs to create those decls only to be able to display a |
| 1690 | // type that includes a template template argument. Only the name matters for |
| 1691 | // this purpose, so we use dummy values for the other characteristics of the |
| 1692 | // type. |
| 1693 | return TemplateTemplateParmDecl::Create( |
| 1694 | ast, decl_ctx, SourceLocation(), |
| 1695 | /*Depth*/ 0, /*Position*/ 0, |
| 1696 | /*IsParameterPack*/ false, &identifier_info, template_param_list); |
| 1697 | } |
| 1698 | |
| 1699 | ClassTemplateSpecializationDecl * |
| 1700 | TypeSystemClang::CreateClassTemplateSpecializationDecl( |
| 1701 | DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 1702 | ClassTemplateDecl *class_template_decl, int kind, |
| 1703 | const TemplateParameterInfos &template_param_infos) { |
| 1704 | ASTContext &ast = getASTContext(); |
| 1705 | llvm::SmallVector<clang::TemplateArgument, 2> args( |
| 1706 | template_param_infos.Size() + |
| 1707 | (template_param_infos.hasParameterPack() ? 1 : 0)); |
| 1708 | |
| 1709 | auto const &orig_args = template_param_infos.GetArgs(); |
| 1710 | std::copy(orig_args.begin(), orig_args.end(), args.begin()); |
| 1711 | if (template_param_infos.hasParameterPack()) { |
| 1712 | args[args.size() - 1] = TemplateArgument::CreatePackCopy( |
| 1713 | ast, template_param_infos.GetParameterPackArgs()); |
| 1714 | } |
| 1715 | ClassTemplateSpecializationDecl *class_template_specialization_decl = |
| 1716 | ClassTemplateSpecializationDecl::CreateDeserialized(ast, 0); |
| 1717 | class_template_specialization_decl->setTagKind( |
| 1718 | static_cast<TagDecl::TagKind>(kind)); |
| 1719 | class_template_specialization_decl->setDeclContext(decl_ctx); |
| 1720 | class_template_specialization_decl->setInstantiationOf(class_template_decl); |
| 1721 | class_template_specialization_decl->setTemplateArgs( |
| 1722 | TemplateArgumentList::CreateCopy(ast, args)); |
| 1723 | ast.getTypeDeclType(class_template_specialization_decl, nullptr); |
| 1724 | class_template_specialization_decl->setDeclName( |
| 1725 | class_template_decl->getDeclName()); |
| 1726 | SetOwningModule(class_template_specialization_decl, owning_module); |
| 1727 | decl_ctx->addDecl(class_template_specialization_decl); |
| 1728 | |
| 1729 | class_template_specialization_decl->setSpecializationKind( |
| 1730 | TSK_ExplicitSpecialization); |
| 1731 | |
| 1732 | return class_template_specialization_decl; |
| 1733 | } |
| 1734 | |
| 1735 | CompilerType TypeSystemClang::CreateClassTemplateSpecializationType( |
| 1736 | ClassTemplateSpecializationDecl *class_template_specialization_decl) { |
| 1737 | if (class_template_specialization_decl) { |
| 1738 | ASTContext &ast = getASTContext(); |
| 1739 | return GetType(ast.getTagDeclType(class_template_specialization_decl)); |
| 1740 | } |
| 1741 | return CompilerType(); |
| 1742 | } |
| 1743 | |
| 1744 | static inline bool check_op_param(bool is_method, |
| 1745 | clang::OverloadedOperatorKind op_kind, |
| 1746 | bool unary, bool binary, |
| 1747 | uint32_t num_params) { |
| 1748 | // Special-case call since it can take any number of operands |
| 1749 | if (op_kind == OO_Call) |
| 1750 | return true; |
| 1751 | |
| 1752 | // The parameter count doesn't include "this" |
| 1753 | if (is_method) |
| 1754 | ++num_params; |
| 1755 | if (num_params == 1) |
| 1756 | return unary; |
| 1757 | if (num_params == 2) |
| 1758 | return binary; |
| 1759 | else |
| 1760 | return false; |
| 1761 | } |
| 1762 | |
| 1763 | bool TypeSystemClang::CheckOverloadedOperatorKindParameterCount( |
| 1764 | bool is_method, clang::OverloadedOperatorKind op_kind, |
| 1765 | uint32_t num_params) { |
| 1766 | switch (op_kind) { |
| 1767 | default: |
| 1768 | break; |
| 1769 | // C++ standard allows any number of arguments to new/delete |
| 1770 | case OO_New: |
| 1771 | case OO_Array_New: |
| 1772 | case OO_Delete: |
| 1773 | case OO_Array_Delete: |
| 1774 | return true; |
| 1775 | } |
| 1776 | |
| 1777 | #define OVERLOADED_OPERATOR(Name, Spelling, Token, Unary, Binary, MemberOnly) \ |
| 1778 | case OO_##Name: \ |
| 1779 | return check_op_param(is_method, op_kind, Unary, Binary, num_params); |
| 1780 | switch (op_kind) { |
| 1781 | #include "clang/Basic/OperatorKinds.def" |
| 1782 | default: |
| 1783 | break; |
| 1784 | } |
| 1785 | return false; |
| 1786 | } |
| 1787 | |
| 1788 | clang::AccessSpecifier |
| 1789 | TypeSystemClang::UnifyAccessSpecifiers(clang::AccessSpecifier lhs, |
| 1790 | clang::AccessSpecifier rhs) { |
| 1791 | // Make the access equal to the stricter of the field and the nested field's |
| 1792 | // access |
| 1793 | if (lhs == AS_none || rhs == AS_none) |
| 1794 | return AS_none; |
| 1795 | if (lhs == AS_private || rhs == AS_private) |
| 1796 | return AS_private; |
| 1797 | if (lhs == AS_protected || rhs == AS_protected) |
| 1798 | return AS_protected; |
| 1799 | return AS_public; |
| 1800 | } |
| 1801 | |
| 1802 | bool TypeSystemClang::FieldIsBitfield(FieldDecl *field, |
| 1803 | uint32_t &bitfield_bit_size) { |
| 1804 | ASTContext &ast = getASTContext(); |
| 1805 | if (field == nullptr) |
| 1806 | return false; |
| 1807 | |
| 1808 | if (field->isBitField()) { |
| 1809 | Expr *bit_width_expr = field->getBitWidth(); |
| 1810 | if (bit_width_expr) { |
| 1811 | if (std::optional<llvm::APSInt> bit_width_apsint = |
| 1812 | bit_width_expr->getIntegerConstantExpr(ast)) { |
| 1813 | bitfield_bit_size = bit_width_apsint->getLimitedValue(UINT32_MAX(4294967295U)); |
| 1814 | return true; |
| 1815 | } |
| 1816 | } |
| 1817 | } |
| 1818 | return false; |
| 1819 | } |
| 1820 | |
| 1821 | bool TypeSystemClang::RecordHasFields(const RecordDecl *record_decl) { |
| 1822 | if (record_decl == nullptr) |
| 1823 | return false; |
| 1824 | |
| 1825 | if (!record_decl->field_empty()) |
| 1826 | return true; |
| 1827 | |
| 1828 | // No fields, lets check this is a CXX record and check the base classes |
| 1829 | const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); |
| 1830 | if (cxx_record_decl) { |
| 1831 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
| 1832 | for (base_class = cxx_record_decl->bases_begin(), |
| 1833 | base_class_end = cxx_record_decl->bases_end(); |
| 1834 | base_class != base_class_end; ++base_class) { |
| 1835 | const CXXRecordDecl *base_class_decl = cast<CXXRecordDecl>( |
| 1836 | base_class->getType()->getAs<RecordType>()->getDecl()); |
| 1837 | if (RecordHasFields(base_class_decl)) |
| 1838 | return true; |
| 1839 | } |
| 1840 | } |
| 1841 | |
| 1842 | // We always want forcefully completed types to show up so we can print a |
| 1843 | // message in the summary that indicates that the type is incomplete. |
| 1844 | // This will help users know when they are running into issues with |
| 1845 | // -flimit-debug-info instead of just seeing nothing if this is a base class |
| 1846 | // (since we were hiding empty base classes), or nothing when you turn open |
| 1847 | // an valiable whose type was incomplete. |
| 1848 | ClangASTMetadata *meta_data = GetMetadata(record_decl); |
| 1849 | if (meta_data && meta_data->IsForcefullyCompleted()) |
| 1850 | return true; |
| 1851 | |
| 1852 | return false; |
| 1853 | } |
| 1854 | |
| 1855 | #pragma mark Objective-C Classes |
| 1856 | |
| 1857 | CompilerType TypeSystemClang::CreateObjCClass( |
| 1858 | llvm::StringRef name, clang::DeclContext *decl_ctx, |
| 1859 | OptionalClangModuleID owning_module, bool isForwardDecl, bool isInternal, |
| 1860 | ClangASTMetadata *metadata) { |
| 1861 | ASTContext &ast = getASTContext(); |
| 1862 | assert(!name.empty())(static_cast <bool> (!name.empty()) ? void (0) : __assert_fail ("!name.empty()", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 1862, __extension__ __PRETTY_FUNCTION__)); |
| 1863 | if (!decl_ctx) |
| 1864 | decl_ctx = ast.getTranslationUnitDecl(); |
| 1865 | |
| 1866 | ObjCInterfaceDecl *decl = ObjCInterfaceDecl::CreateDeserialized(ast, 0); |
| 1867 | decl->setDeclContext(decl_ctx); |
| 1868 | decl->setDeclName(&ast.Idents.get(name)); |
| 1869 | /*isForwardDecl,*/ |
| 1870 | decl->setImplicit(isInternal); |
| 1871 | SetOwningModule(decl, owning_module); |
| 1872 | |
| 1873 | if (metadata) |
| 1874 | SetMetadata(decl, *metadata); |
| 1875 | |
| 1876 | return GetType(ast.getObjCInterfaceType(decl)); |
| 1877 | } |
| 1878 | |
| 1879 | bool TypeSystemClang::BaseSpecifierIsEmpty(const CXXBaseSpecifier *b) { |
| 1880 | return !TypeSystemClang::RecordHasFields(b->getType()->getAsCXXRecordDecl()); |
| 1881 | } |
| 1882 | |
| 1883 | uint32_t |
| 1884 | TypeSystemClang::GetNumBaseClasses(const CXXRecordDecl *cxx_record_decl, |
| 1885 | bool omit_empty_base_classes) { |
| 1886 | uint32_t num_bases = 0; |
| 1887 | if (cxx_record_decl) { |
| 1888 | if (omit_empty_base_classes) { |
| 1889 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
| 1890 | for (base_class = cxx_record_decl->bases_begin(), |
| 1891 | base_class_end = cxx_record_decl->bases_end(); |
| 1892 | base_class != base_class_end; ++base_class) { |
| 1893 | // Skip empty base classes |
| 1894 | if (BaseSpecifierIsEmpty(base_class)) |
| 1895 | continue; |
| 1896 | ++num_bases; |
| 1897 | } |
| 1898 | } else |
| 1899 | num_bases = cxx_record_decl->getNumBases(); |
| 1900 | } |
| 1901 | return num_bases; |
| 1902 | } |
| 1903 | |
| 1904 | #pragma mark Namespace Declarations |
| 1905 | |
| 1906 | NamespaceDecl *TypeSystemClang::GetUniqueNamespaceDeclaration( |
| 1907 | const char *name, clang::DeclContext *decl_ctx, |
| 1908 | OptionalClangModuleID owning_module, bool is_inline) { |
| 1909 | NamespaceDecl *namespace_decl = nullptr; |
| 1910 | ASTContext &ast = getASTContext(); |
| 1911 | TranslationUnitDecl *translation_unit_decl = ast.getTranslationUnitDecl(); |
| 1912 | if (!decl_ctx) |
| 1913 | decl_ctx = translation_unit_decl; |
| 1914 | |
| 1915 | if (name) { |
| 1916 | IdentifierInfo &identifier_info = ast.Idents.get(name); |
| 1917 | DeclarationName decl_name(&identifier_info); |
| 1918 | clang::DeclContext::lookup_result result = decl_ctx->lookup(decl_name); |
| 1919 | for (NamedDecl *decl : result) { |
| 1920 | namespace_decl = dyn_cast<clang::NamespaceDecl>(decl); |
| 1921 | if (namespace_decl) |
| 1922 | return namespace_decl; |
| 1923 | } |
| 1924 | |
| 1925 | namespace_decl = NamespaceDecl::Create(ast, decl_ctx, is_inline, |
| 1926 | SourceLocation(), SourceLocation(), |
| 1927 | &identifier_info, nullptr, false); |
| 1928 | |
| 1929 | decl_ctx->addDecl(namespace_decl); |
| 1930 | } else { |
| 1931 | if (decl_ctx == translation_unit_decl) { |
| 1932 | namespace_decl = translation_unit_decl->getAnonymousNamespace(); |
| 1933 | if (namespace_decl) |
| 1934 | return namespace_decl; |
| 1935 | |
| 1936 | namespace_decl = |
| 1937 | NamespaceDecl::Create(ast, decl_ctx, false, SourceLocation(), |
| 1938 | SourceLocation(), nullptr, nullptr, false); |
| 1939 | translation_unit_decl->setAnonymousNamespace(namespace_decl); |
| 1940 | translation_unit_decl->addDecl(namespace_decl); |
| 1941 | assert(namespace_decl == translation_unit_decl->getAnonymousNamespace())(static_cast <bool> (namespace_decl == translation_unit_decl ->getAnonymousNamespace()) ? void (0) : __assert_fail ("namespace_decl == translation_unit_decl->getAnonymousNamespace()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1941, __extension__ __PRETTY_FUNCTION__)); |
| 1942 | } else { |
| 1943 | NamespaceDecl *parent_namespace_decl = cast<NamespaceDecl>(decl_ctx); |
| 1944 | if (parent_namespace_decl) { |
| 1945 | namespace_decl = parent_namespace_decl->getAnonymousNamespace(); |
| 1946 | if (namespace_decl) |
| 1947 | return namespace_decl; |
| 1948 | namespace_decl = |
| 1949 | NamespaceDecl::Create(ast, decl_ctx, false, SourceLocation(), |
| 1950 | SourceLocation(), nullptr, nullptr, false); |
| 1951 | parent_namespace_decl->setAnonymousNamespace(namespace_decl); |
| 1952 | parent_namespace_decl->addDecl(namespace_decl); |
| 1953 | assert(namespace_decl ==(static_cast <bool> (namespace_decl == parent_namespace_decl ->getAnonymousNamespace()) ? void (0) : __assert_fail ("namespace_decl == parent_namespace_decl->getAnonymousNamespace()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1954, __extension__ __PRETTY_FUNCTION__)) |
| 1954 | parent_namespace_decl->getAnonymousNamespace())(static_cast <bool> (namespace_decl == parent_namespace_decl ->getAnonymousNamespace()) ? void (0) : __assert_fail ("namespace_decl == parent_namespace_decl->getAnonymousNamespace()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1954, __extension__ __PRETTY_FUNCTION__)); |
| 1955 | } else { |
| 1956 | assert(false && "GetUniqueNamespaceDeclaration called with no name and "(static_cast <bool> (false && "GetUniqueNamespaceDeclaration called with no name and " "no namespace as decl_ctx") ? void (0) : __assert_fail ("false && \"GetUniqueNamespaceDeclaration called with no name and \" \"no namespace as decl_ctx\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1957, __extension__ __PRETTY_FUNCTION__)) |
| 1957 | "no namespace as decl_ctx")(static_cast <bool> (false && "GetUniqueNamespaceDeclaration called with no name and " "no namespace as decl_ctx") ? void (0) : __assert_fail ("false && \"GetUniqueNamespaceDeclaration called with no name and \" \"no namespace as decl_ctx\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 1957, __extension__ __PRETTY_FUNCTION__)); |
| 1958 | } |
| 1959 | } |
| 1960 | } |
| 1961 | // Note: namespaces can span multiple modules, so perhaps this isn't a good |
| 1962 | // idea. |
| 1963 | SetOwningModule(namespace_decl, owning_module); |
| 1964 | |
| 1965 | VerifyDecl(namespace_decl); |
| 1966 | return namespace_decl; |
| 1967 | } |
| 1968 | |
| 1969 | clang::BlockDecl * |
| 1970 | TypeSystemClang::CreateBlockDeclaration(clang::DeclContext *ctx, |
| 1971 | OptionalClangModuleID owning_module) { |
| 1972 | if (ctx) { |
| 1973 | clang::BlockDecl *decl = |
| 1974 | clang::BlockDecl::CreateDeserialized(getASTContext(), 0); |
| 1975 | decl->setDeclContext(ctx); |
| 1976 | ctx->addDecl(decl); |
| 1977 | SetOwningModule(decl, owning_module); |
| 1978 | return decl; |
| 1979 | } |
| 1980 | return nullptr; |
| 1981 | } |
| 1982 | |
| 1983 | clang::DeclContext *FindLCABetweenDecls(clang::DeclContext *left, |
| 1984 | clang::DeclContext *right, |
| 1985 | clang::DeclContext *root) { |
| 1986 | if (root == nullptr) |
| 1987 | return nullptr; |
| 1988 | |
| 1989 | std::set<clang::DeclContext *> path_left; |
| 1990 | for (clang::DeclContext *d = left; d != nullptr; d = d->getParent()) |
| 1991 | path_left.insert(d); |
| 1992 | |
| 1993 | for (clang::DeclContext *d = right; d != nullptr; d = d->getParent()) |
| 1994 | if (path_left.find(d) != path_left.end()) |
| 1995 | return d; |
| 1996 | |
| 1997 | return nullptr; |
| 1998 | } |
| 1999 | |
| 2000 | clang::UsingDirectiveDecl *TypeSystemClang::CreateUsingDirectiveDeclaration( |
| 2001 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 2002 | clang::NamespaceDecl *ns_decl) { |
| 2003 | if (decl_ctx && ns_decl) { |
| 2004 | auto *translation_unit = getASTContext().getTranslationUnitDecl(); |
| 2005 | clang::UsingDirectiveDecl *using_decl = clang::UsingDirectiveDecl::Create( |
| 2006 | getASTContext(), decl_ctx, clang::SourceLocation(), |
| 2007 | clang::SourceLocation(), clang::NestedNameSpecifierLoc(), |
| 2008 | clang::SourceLocation(), ns_decl, |
| 2009 | FindLCABetweenDecls(decl_ctx, ns_decl, |
| 2010 | translation_unit)); |
| 2011 | decl_ctx->addDecl(using_decl); |
| 2012 | SetOwningModule(using_decl, owning_module); |
| 2013 | return using_decl; |
| 2014 | } |
| 2015 | return nullptr; |
| 2016 | } |
| 2017 | |
| 2018 | clang::UsingDecl * |
| 2019 | TypeSystemClang::CreateUsingDeclaration(clang::DeclContext *current_decl_ctx, |
| 2020 | OptionalClangModuleID owning_module, |
| 2021 | clang::NamedDecl *target) { |
| 2022 | if (current_decl_ctx && target) { |
| 2023 | clang::UsingDecl *using_decl = clang::UsingDecl::Create( |
| 2024 | getASTContext(), current_decl_ctx, clang::SourceLocation(), |
| 2025 | clang::NestedNameSpecifierLoc(), clang::DeclarationNameInfo(), false); |
| 2026 | SetOwningModule(using_decl, owning_module); |
| 2027 | clang::UsingShadowDecl *shadow_decl = clang::UsingShadowDecl::Create( |
| 2028 | getASTContext(), current_decl_ctx, clang::SourceLocation(), |
| 2029 | target->getDeclName(), using_decl, target); |
| 2030 | SetOwningModule(shadow_decl, owning_module); |
| 2031 | using_decl->addShadowDecl(shadow_decl); |
| 2032 | current_decl_ctx->addDecl(using_decl); |
| 2033 | return using_decl; |
| 2034 | } |
| 2035 | return nullptr; |
| 2036 | } |
| 2037 | |
| 2038 | clang::VarDecl *TypeSystemClang::CreateVariableDeclaration( |
| 2039 | clang::DeclContext *decl_context, OptionalClangModuleID owning_module, |
| 2040 | const char *name, clang::QualType type) { |
| 2041 | if (decl_context) { |
| 2042 | clang::VarDecl *var_decl = |
| 2043 | clang::VarDecl::CreateDeserialized(getASTContext(), 0); |
| 2044 | var_decl->setDeclContext(decl_context); |
| 2045 | if (name && name[0]) |
| 2046 | var_decl->setDeclName(&getASTContext().Idents.getOwn(name)); |
| 2047 | var_decl->setType(type); |
| 2048 | SetOwningModule(var_decl, owning_module); |
| 2049 | var_decl->setAccess(clang::AS_public); |
| 2050 | decl_context->addDecl(var_decl); |
| 2051 | return var_decl; |
| 2052 | } |
| 2053 | return nullptr; |
| 2054 | } |
| 2055 | |
| 2056 | lldb::opaque_compiler_type_t |
| 2057 | TypeSystemClang::GetOpaqueCompilerType(clang::ASTContext *ast, |
| 2058 | lldb::BasicType basic_type) { |
| 2059 | switch (basic_type) { |
| 2060 | case eBasicTypeVoid: |
| 2061 | return ast->VoidTy.getAsOpaquePtr(); |
| 2062 | case eBasicTypeChar: |
| 2063 | return ast->CharTy.getAsOpaquePtr(); |
| 2064 | case eBasicTypeSignedChar: |
| 2065 | return ast->SignedCharTy.getAsOpaquePtr(); |
| 2066 | case eBasicTypeUnsignedChar: |
| 2067 | return ast->UnsignedCharTy.getAsOpaquePtr(); |
| 2068 | case eBasicTypeWChar: |
| 2069 | return ast->getWCharType().getAsOpaquePtr(); |
| 2070 | case eBasicTypeSignedWChar: |
| 2071 | return ast->getSignedWCharType().getAsOpaquePtr(); |
| 2072 | case eBasicTypeUnsignedWChar: |
| 2073 | return ast->getUnsignedWCharType().getAsOpaquePtr(); |
| 2074 | case eBasicTypeChar8: |
| 2075 | return ast->Char8Ty.getAsOpaquePtr(); |
| 2076 | case eBasicTypeChar16: |
| 2077 | return ast->Char16Ty.getAsOpaquePtr(); |
| 2078 | case eBasicTypeChar32: |
| 2079 | return ast->Char32Ty.getAsOpaquePtr(); |
| 2080 | case eBasicTypeShort: |
| 2081 | return ast->ShortTy.getAsOpaquePtr(); |
| 2082 | case eBasicTypeUnsignedShort: |
| 2083 | return ast->UnsignedShortTy.getAsOpaquePtr(); |
| 2084 | case eBasicTypeInt: |
| 2085 | return ast->IntTy.getAsOpaquePtr(); |
| 2086 | case eBasicTypeUnsignedInt: |
| 2087 | return ast->UnsignedIntTy.getAsOpaquePtr(); |
| 2088 | case eBasicTypeLong: |
| 2089 | return ast->LongTy.getAsOpaquePtr(); |
| 2090 | case eBasicTypeUnsignedLong: |
| 2091 | return ast->UnsignedLongTy.getAsOpaquePtr(); |
| 2092 | case eBasicTypeLongLong: |
| 2093 | return ast->LongLongTy.getAsOpaquePtr(); |
| 2094 | case eBasicTypeUnsignedLongLong: |
| 2095 | return ast->UnsignedLongLongTy.getAsOpaquePtr(); |
| 2096 | case eBasicTypeInt128: |
| 2097 | return ast->Int128Ty.getAsOpaquePtr(); |
| 2098 | case eBasicTypeUnsignedInt128: |
| 2099 | return ast->UnsignedInt128Ty.getAsOpaquePtr(); |
| 2100 | case eBasicTypeBool: |
| 2101 | return ast->BoolTy.getAsOpaquePtr(); |
| 2102 | case eBasicTypeHalf: |
| 2103 | return ast->HalfTy.getAsOpaquePtr(); |
| 2104 | case eBasicTypeFloat: |
| 2105 | return ast->FloatTy.getAsOpaquePtr(); |
| 2106 | case eBasicTypeDouble: |
| 2107 | return ast->DoubleTy.getAsOpaquePtr(); |
| 2108 | case eBasicTypeLongDouble: |
| 2109 | return ast->LongDoubleTy.getAsOpaquePtr(); |
| 2110 | case eBasicTypeFloatComplex: |
| 2111 | return ast->getComplexType(ast->FloatTy).getAsOpaquePtr(); |
| 2112 | case eBasicTypeDoubleComplex: |
| 2113 | return ast->getComplexType(ast->DoubleTy).getAsOpaquePtr(); |
| 2114 | case eBasicTypeLongDoubleComplex: |
| 2115 | return ast->getComplexType(ast->LongDoubleTy).getAsOpaquePtr(); |
| 2116 | case eBasicTypeObjCID: |
| 2117 | return ast->getObjCIdType().getAsOpaquePtr(); |
| 2118 | case eBasicTypeObjCClass: |
| 2119 | return ast->getObjCClassType().getAsOpaquePtr(); |
| 2120 | case eBasicTypeObjCSel: |
| 2121 | return ast->getObjCSelType().getAsOpaquePtr(); |
| 2122 | case eBasicTypeNullPtr: |
| 2123 | return ast->NullPtrTy.getAsOpaquePtr(); |
| 2124 | default: |
| 2125 | return nullptr; |
| 2126 | } |
| 2127 | } |
| 2128 | |
| 2129 | #pragma mark Function Types |
| 2130 | |
| 2131 | clang::DeclarationName |
| 2132 | TypeSystemClang::GetDeclarationName(llvm::StringRef name, |
| 2133 | const CompilerType &function_clang_type) { |
| 2134 | clang::OverloadedOperatorKind op_kind = clang::NUM_OVERLOADED_OPERATORS; |
| 2135 | if (!IsOperator(name, op_kind) || op_kind == clang::NUM_OVERLOADED_OPERATORS) |
| 2136 | return DeclarationName(&getASTContext().Idents.get( |
| 2137 | name)); // Not operator, but a regular function. |
| 2138 | |
| 2139 | // Check the number of operator parameters. Sometimes we have seen bad DWARF |
| 2140 | // that doesn't correctly describe operators and if we try to create a method |
| 2141 | // and add it to the class, clang will assert and crash, so we need to make |
| 2142 | // sure things are acceptable. |
| 2143 | clang::QualType method_qual_type(ClangUtil::GetQualType(function_clang_type)); |
| 2144 | const clang::FunctionProtoType *function_type = |
| 2145 | llvm::dyn_cast<clang::FunctionProtoType>(method_qual_type.getTypePtr()); |
| 2146 | if (function_type == nullptr) |
| 2147 | return clang::DeclarationName(); |
| 2148 | |
| 2149 | const bool is_method = false; |
| 2150 | const unsigned int num_params = function_type->getNumParams(); |
| 2151 | if (!TypeSystemClang::CheckOverloadedOperatorKindParameterCount( |
| 2152 | is_method, op_kind, num_params)) |
| 2153 | return clang::DeclarationName(); |
| 2154 | |
| 2155 | return getASTContext().DeclarationNames.getCXXOperatorName(op_kind); |
| 2156 | } |
| 2157 | |
| 2158 | PrintingPolicy TypeSystemClang::GetTypePrintingPolicy() { |
| 2159 | clang::PrintingPolicy printing_policy(getASTContext().getPrintingPolicy()); |
| 2160 | printing_policy.SuppressTagKeyword = true; |
| 2161 | // Inline namespaces are important for some type formatters (e.g., libc++ |
| 2162 | // and libstdc++ are differentiated by their inline namespaces). |
| 2163 | printing_policy.SuppressInlineNamespace = false; |
| 2164 | printing_policy.SuppressUnwrittenScope = false; |
| 2165 | // Default arguments are also always important for type formatters. Otherwise |
| 2166 | // we would need to always specify two type names for the setups where we do |
| 2167 | // know the default arguments and where we don't know default arguments. |
| 2168 | // |
| 2169 | // For example, without this we would need to have formatters for both: |
| 2170 | // std::basic_string<char> |
| 2171 | // and |
| 2172 | // std::basic_string<char, std::char_traits<char>, std::allocator<char> > |
| 2173 | // to support setups where LLDB was able to reconstruct default arguments |
| 2174 | // (and we then would have suppressed them from the type name) and also setups |
| 2175 | // where LLDB wasn't able to reconstruct the default arguments. |
| 2176 | printing_policy.SuppressDefaultTemplateArgs = false; |
| 2177 | return printing_policy; |
| 2178 | } |
| 2179 | |
| 2180 | std::string TypeSystemClang::GetTypeNameForDecl(const NamedDecl *named_decl, |
| 2181 | bool qualified) { |
| 2182 | clang::PrintingPolicy printing_policy = GetTypePrintingPolicy(); |
| 2183 | std::string result; |
| 2184 | llvm::raw_string_ostream os(result); |
| 2185 | named_decl->getNameForDiagnostic(os, printing_policy, qualified); |
| 2186 | return result; |
| 2187 | } |
| 2188 | |
| 2189 | FunctionDecl *TypeSystemClang::CreateFunctionDeclaration( |
| 2190 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 2191 | llvm::StringRef name, const CompilerType &function_clang_type, |
| 2192 | clang::StorageClass storage, bool is_inline) { |
| 2193 | FunctionDecl *func_decl = nullptr; |
| 2194 | ASTContext &ast = getASTContext(); |
| 2195 | if (!decl_ctx) |
| 2196 | decl_ctx = ast.getTranslationUnitDecl(); |
| 2197 | |
| 2198 | const bool hasWrittenPrototype = true; |
| 2199 | const bool isConstexprSpecified = false; |
| 2200 | |
| 2201 | clang::DeclarationName declarationName = |
| 2202 | GetDeclarationName(name, function_clang_type); |
| 2203 | func_decl = FunctionDecl::CreateDeserialized(ast, 0); |
| 2204 | func_decl->setDeclContext(decl_ctx); |
| 2205 | func_decl->setDeclName(declarationName); |
| 2206 | func_decl->setType(ClangUtil::GetQualType(function_clang_type)); |
| 2207 | func_decl->setStorageClass(storage); |
| 2208 | func_decl->setInlineSpecified(is_inline); |
| 2209 | func_decl->setHasWrittenPrototype(hasWrittenPrototype); |
| 2210 | func_decl->setConstexprKind(isConstexprSpecified |
| 2211 | ? ConstexprSpecKind::Constexpr |
| 2212 | : ConstexprSpecKind::Unspecified); |
| 2213 | SetOwningModule(func_decl, owning_module); |
| 2214 | decl_ctx->addDecl(func_decl); |
| 2215 | |
| 2216 | VerifyDecl(func_decl); |
| 2217 | |
| 2218 | return func_decl; |
| 2219 | } |
| 2220 | |
| 2221 | CompilerType TypeSystemClang::CreateFunctionType( |
| 2222 | const CompilerType &result_type, const CompilerType *args, |
| 2223 | unsigned num_args, bool is_variadic, unsigned type_quals, |
| 2224 | clang::CallingConv cc, clang::RefQualifierKind ref_qual) { |
| 2225 | if (!result_type || !ClangUtil::IsClangType(result_type)) |
| 2226 | return CompilerType(); // invalid return type |
| 2227 | |
| 2228 | std::vector<QualType> qual_type_args; |
| 2229 | if (num_args > 0 && args == nullptr) |
| 2230 | return CompilerType(); // invalid argument array passed in |
| 2231 | |
| 2232 | // Verify that all arguments are valid and the right type |
| 2233 | for (unsigned i = 0; i < num_args; ++i) { |
| 2234 | if (args[i]) { |
| 2235 | // Make sure we have a clang type in args[i] and not a type from another |
| 2236 | // language whose name might match |
| 2237 | const bool is_clang_type = ClangUtil::IsClangType(args[i]); |
| 2238 | lldbassert(is_clang_type)lldb_private::lldb_assert(static_cast<bool>(is_clang_type ), "is_clang_type", __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 2238); |
| 2239 | if (is_clang_type) |
| 2240 | qual_type_args.push_back(ClangUtil::GetQualType(args[i])); |
| 2241 | else |
| 2242 | return CompilerType(); // invalid argument type (must be a clang type) |
| 2243 | } else |
| 2244 | return CompilerType(); // invalid argument type (empty) |
| 2245 | } |
| 2246 | |
| 2247 | // TODO: Detect calling convention in DWARF? |
| 2248 | FunctionProtoType::ExtProtoInfo proto_info; |
| 2249 | proto_info.ExtInfo = cc; |
| 2250 | proto_info.Variadic = is_variadic; |
| 2251 | proto_info.ExceptionSpec = EST_None; |
| 2252 | proto_info.TypeQuals = clang::Qualifiers::fromFastMask(type_quals); |
| 2253 | proto_info.RefQualifier = ref_qual; |
| 2254 | |
| 2255 | return GetType(getASTContext().getFunctionType( |
| 2256 | ClangUtil::GetQualType(result_type), qual_type_args, proto_info)); |
| 2257 | } |
| 2258 | |
| 2259 | ParmVarDecl *TypeSystemClang::CreateParameterDeclaration( |
| 2260 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 2261 | const char *name, const CompilerType ¶m_type, int storage, |
| 2262 | bool add_decl) { |
| 2263 | ASTContext &ast = getASTContext(); |
| 2264 | auto *decl = ParmVarDecl::CreateDeserialized(ast, 0); |
| 2265 | decl->setDeclContext(decl_ctx); |
| 2266 | if (name && name[0]) |
| 2267 | decl->setDeclName(&ast.Idents.get(name)); |
| 2268 | decl->setType(ClangUtil::GetQualType(param_type)); |
| 2269 | decl->setStorageClass(static_cast<clang::StorageClass>(storage)); |
| 2270 | SetOwningModule(decl, owning_module); |
| 2271 | if (add_decl) |
| 2272 | decl_ctx->addDecl(decl); |
| 2273 | |
| 2274 | return decl; |
| 2275 | } |
| 2276 | |
| 2277 | void TypeSystemClang::SetFunctionParameters( |
| 2278 | FunctionDecl *function_decl, llvm::ArrayRef<ParmVarDecl *> params) { |
| 2279 | if (function_decl) |
| 2280 | function_decl->setParams(params); |
| 2281 | } |
| 2282 | |
| 2283 | CompilerType |
| 2284 | TypeSystemClang::CreateBlockPointerType(const CompilerType &function_type) { |
| 2285 | QualType block_type = m_ast_up->getBlockPointerType( |
| 2286 | clang::QualType::getFromOpaquePtr(function_type.GetOpaqueQualType())); |
| 2287 | |
| 2288 | return GetType(block_type); |
| 2289 | } |
| 2290 | |
| 2291 | #pragma mark Array Types |
| 2292 | |
| 2293 | CompilerType TypeSystemClang::CreateArrayType(const CompilerType &element_type, |
| 2294 | size_t element_count, |
| 2295 | bool is_vector) { |
| 2296 | if (element_type.IsValid()) { |
| 2297 | ASTContext &ast = getASTContext(); |
| 2298 | |
| 2299 | if (is_vector) { |
| 2300 | return GetType(ast.getExtVectorType(ClangUtil::GetQualType(element_type), |
| 2301 | element_count)); |
| 2302 | } else { |
| 2303 | |
| 2304 | llvm::APInt ap_element_count(64, element_count); |
| 2305 | if (element_count == 0) { |
| 2306 | return GetType(ast.getIncompleteArrayType( |
| 2307 | ClangUtil::GetQualType(element_type), clang::ArrayType::Normal, 0)); |
| 2308 | } else { |
| 2309 | return GetType(ast.getConstantArrayType( |
| 2310 | ClangUtil::GetQualType(element_type), ap_element_count, nullptr, |
| 2311 | clang::ArrayType::Normal, 0)); |
| 2312 | } |
| 2313 | } |
| 2314 | } |
| 2315 | return CompilerType(); |
| 2316 | } |
| 2317 | |
| 2318 | CompilerType TypeSystemClang::CreateStructForIdentifier( |
| 2319 | ConstString type_name, |
| 2320 | const std::initializer_list<std::pair<const char *, CompilerType>> |
| 2321 | &type_fields, |
| 2322 | bool packed) { |
| 2323 | CompilerType type; |
| 2324 | if (!type_name.IsEmpty() && |
| 2325 | (type = GetTypeForIdentifier<clang::CXXRecordDecl>(type_name)) |
| 2326 | .IsValid()) { |
| 2327 | lldbassert(0 && "Trying to create a type for an existing name")lldb_private::lldb_assert(static_cast<bool>(0 && "Trying to create a type for an existing name"), "0 && \"Trying to create a type for an existing name\"" , __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 2327); |
| 2328 | return type; |
| 2329 | } |
| 2330 | |
| 2331 | type = CreateRecordType(nullptr, OptionalClangModuleID(), lldb::eAccessPublic, |
| 2332 | type_name.GetCString(), clang::TTK_Struct, |
| 2333 | lldb::eLanguageTypeC); |
| 2334 | StartTagDeclarationDefinition(type); |
| 2335 | for (const auto &field : type_fields) |
| 2336 | AddFieldToRecordType(type, field.first, field.second, lldb::eAccessPublic, |
| 2337 | 0); |
| 2338 | if (packed) |
| 2339 | SetIsPacked(type); |
| 2340 | CompleteTagDeclarationDefinition(type); |
| 2341 | return type; |
| 2342 | } |
| 2343 | |
| 2344 | CompilerType TypeSystemClang::GetOrCreateStructForIdentifier( |
| 2345 | ConstString type_name, |
| 2346 | const std::initializer_list<std::pair<const char *, CompilerType>> |
| 2347 | &type_fields, |
| 2348 | bool packed) { |
| 2349 | CompilerType type; |
| 2350 | if ((type = GetTypeForIdentifier<clang::CXXRecordDecl>(type_name)).IsValid()) |
| 2351 | return type; |
| 2352 | |
| 2353 | return CreateStructForIdentifier(type_name, type_fields, packed); |
| 2354 | } |
| 2355 | |
| 2356 | #pragma mark Enumeration Types |
| 2357 | |
| 2358 | CompilerType TypeSystemClang::CreateEnumerationType( |
| 2359 | llvm::StringRef name, clang::DeclContext *decl_ctx, |
| 2360 | OptionalClangModuleID owning_module, const Declaration &decl, |
| 2361 | const CompilerType &integer_clang_type, bool is_scoped) { |
| 2362 | // TODO: Do something intelligent with the Declaration object passed in |
| 2363 | // like maybe filling in the SourceLocation with it... |
| 2364 | ASTContext &ast = getASTContext(); |
| 2365 | |
| 2366 | // TODO: ask about these... |
| 2367 | // const bool IsFixed = false; |
| 2368 | EnumDecl *enum_decl = EnumDecl::CreateDeserialized(ast, 0); |
| 2369 | enum_decl->setDeclContext(decl_ctx); |
| 2370 | if (!name.empty()) |
| 2371 | enum_decl->setDeclName(&ast.Idents.get(name)); |
| 2372 | enum_decl->setScoped(is_scoped); |
| 2373 | enum_decl->setScopedUsingClassTag(is_scoped); |
| 2374 | enum_decl->setFixed(false); |
| 2375 | SetOwningModule(enum_decl, owning_module); |
| 2376 | if (decl_ctx) |
| 2377 | decl_ctx->addDecl(enum_decl); |
| 2378 | |
| 2379 | // TODO: check if we should be setting the promotion type too? |
| 2380 | enum_decl->setIntegerType(ClangUtil::GetQualType(integer_clang_type)); |
| 2381 | |
| 2382 | enum_decl->setAccess(AS_public); // TODO respect what's in the debug info |
| 2383 | |
| 2384 | return GetType(ast.getTagDeclType(enum_decl)); |
| 2385 | } |
| 2386 | |
| 2387 | CompilerType TypeSystemClang::GetIntTypeFromBitSize(size_t bit_size, |
| 2388 | bool is_signed) { |
| 2389 | clang::ASTContext &ast = getASTContext(); |
| 2390 | |
| 2391 | if (is_signed) { |
| 2392 | if (bit_size == ast.getTypeSize(ast.SignedCharTy)) |
| 2393 | return GetType(ast.SignedCharTy); |
| 2394 | |
| 2395 | if (bit_size == ast.getTypeSize(ast.ShortTy)) |
| 2396 | return GetType(ast.ShortTy); |
| 2397 | |
| 2398 | if (bit_size == ast.getTypeSize(ast.IntTy)) |
| 2399 | return GetType(ast.IntTy); |
| 2400 | |
| 2401 | if (bit_size == ast.getTypeSize(ast.LongTy)) |
| 2402 | return GetType(ast.LongTy); |
| 2403 | |
| 2404 | if (bit_size == ast.getTypeSize(ast.LongLongTy)) |
| 2405 | return GetType(ast.LongLongTy); |
| 2406 | |
| 2407 | if (bit_size == ast.getTypeSize(ast.Int128Ty)) |
| 2408 | return GetType(ast.Int128Ty); |
| 2409 | } else { |
| 2410 | if (bit_size == ast.getTypeSize(ast.UnsignedCharTy)) |
| 2411 | return GetType(ast.UnsignedCharTy); |
| 2412 | |
| 2413 | if (bit_size == ast.getTypeSize(ast.UnsignedShortTy)) |
| 2414 | return GetType(ast.UnsignedShortTy); |
| 2415 | |
| 2416 | if (bit_size == ast.getTypeSize(ast.UnsignedIntTy)) |
| 2417 | return GetType(ast.UnsignedIntTy); |
| 2418 | |
| 2419 | if (bit_size == ast.getTypeSize(ast.UnsignedLongTy)) |
| 2420 | return GetType(ast.UnsignedLongTy); |
| 2421 | |
| 2422 | if (bit_size == ast.getTypeSize(ast.UnsignedLongLongTy)) |
| 2423 | return GetType(ast.UnsignedLongLongTy); |
| 2424 | |
| 2425 | if (bit_size == ast.getTypeSize(ast.UnsignedInt128Ty)) |
| 2426 | return GetType(ast.UnsignedInt128Ty); |
| 2427 | } |
| 2428 | return CompilerType(); |
| 2429 | } |
| 2430 | |
| 2431 | CompilerType TypeSystemClang::GetPointerSizedIntType(bool is_signed) { |
| 2432 | return GetIntTypeFromBitSize( |
| 2433 | getASTContext().getTypeSize(getASTContext().VoidPtrTy), is_signed); |
| 2434 | } |
| 2435 | |
| 2436 | void TypeSystemClang::DumpDeclContextHiearchy(clang::DeclContext *decl_ctx) { |
| 2437 | if (decl_ctx) { |
| 2438 | DumpDeclContextHiearchy(decl_ctx->getParent()); |
| 2439 | |
| 2440 | clang::NamedDecl *named_decl = llvm::dyn_cast<clang::NamedDecl>(decl_ctx); |
| 2441 | if (named_decl) { |
| 2442 | printf("%20s: %s\n", decl_ctx->getDeclKindName(), |
| 2443 | named_decl->getDeclName().getAsString().c_str()); |
| 2444 | } else { |
| 2445 | printf("%20s\n", decl_ctx->getDeclKindName()); |
| 2446 | } |
| 2447 | } |
| 2448 | } |
| 2449 | |
| 2450 | void TypeSystemClang::DumpDeclHiearchy(clang::Decl *decl) { |
| 2451 | if (decl == nullptr) |
| 2452 | return; |
| 2453 | DumpDeclContextHiearchy(decl->getDeclContext()); |
| 2454 | |
| 2455 | clang::RecordDecl *record_decl = llvm::dyn_cast<clang::RecordDecl>(decl); |
| 2456 | if (record_decl) { |
| 2457 | printf("%20s: %s%s\n", decl->getDeclKindName(), |
| 2458 | record_decl->getDeclName().getAsString().c_str(), |
| 2459 | record_decl->isInjectedClassName() ? " (injected class name)" : ""); |
| 2460 | |
| 2461 | } else { |
| 2462 | clang::NamedDecl *named_decl = llvm::dyn_cast<clang::NamedDecl>(decl); |
| 2463 | if (named_decl) { |
| 2464 | printf("%20s: %s\n", decl->getDeclKindName(), |
| 2465 | named_decl->getDeclName().getAsString().c_str()); |
| 2466 | } else { |
| 2467 | printf("%20s\n", decl->getDeclKindName()); |
| 2468 | } |
| 2469 | } |
| 2470 | } |
| 2471 | |
| 2472 | bool TypeSystemClang::DeclsAreEquivalent(clang::Decl *lhs_decl, |
| 2473 | clang::Decl *rhs_decl) { |
| 2474 | if (lhs_decl && rhs_decl) { |
| 2475 | // Make sure the decl kinds match first |
| 2476 | const clang::Decl::Kind lhs_decl_kind = lhs_decl->getKind(); |
| 2477 | const clang::Decl::Kind rhs_decl_kind = rhs_decl->getKind(); |
| 2478 | |
| 2479 | if (lhs_decl_kind == rhs_decl_kind) { |
| 2480 | // Now check that the decl contexts kinds are all equivalent before we |
| 2481 | // have to check any names of the decl contexts... |
| 2482 | clang::DeclContext *lhs_decl_ctx = lhs_decl->getDeclContext(); |
| 2483 | clang::DeclContext *rhs_decl_ctx = rhs_decl->getDeclContext(); |
| 2484 | if (lhs_decl_ctx && rhs_decl_ctx) { |
| 2485 | while (true) { |
| 2486 | if (lhs_decl_ctx && rhs_decl_ctx) { |
| 2487 | const clang::Decl::Kind lhs_decl_ctx_kind = |
| 2488 | lhs_decl_ctx->getDeclKind(); |
| 2489 | const clang::Decl::Kind rhs_decl_ctx_kind = |
| 2490 | rhs_decl_ctx->getDeclKind(); |
| 2491 | if (lhs_decl_ctx_kind == rhs_decl_ctx_kind) { |
| 2492 | lhs_decl_ctx = lhs_decl_ctx->getParent(); |
| 2493 | rhs_decl_ctx = rhs_decl_ctx->getParent(); |
| 2494 | |
| 2495 | if (lhs_decl_ctx == nullptr && rhs_decl_ctx == nullptr) |
| 2496 | break; |
| 2497 | } else |
| 2498 | return false; |
| 2499 | } else |
| 2500 | return false; |
| 2501 | } |
| 2502 | |
| 2503 | // Now make sure the name of the decls match |
| 2504 | clang::NamedDecl *lhs_named_decl = |
| 2505 | llvm::dyn_cast<clang::NamedDecl>(lhs_decl); |
| 2506 | clang::NamedDecl *rhs_named_decl = |
| 2507 | llvm::dyn_cast<clang::NamedDecl>(rhs_decl); |
| 2508 | if (lhs_named_decl && rhs_named_decl) { |
| 2509 | clang::DeclarationName lhs_decl_name = lhs_named_decl->getDeclName(); |
| 2510 | clang::DeclarationName rhs_decl_name = rhs_named_decl->getDeclName(); |
| 2511 | if (lhs_decl_name.getNameKind() == rhs_decl_name.getNameKind()) { |
| 2512 | if (lhs_decl_name.getAsString() != rhs_decl_name.getAsString()) |
| 2513 | return false; |
| 2514 | } else |
| 2515 | return false; |
| 2516 | } else |
| 2517 | return false; |
| 2518 | |
| 2519 | // We know that the decl context kinds all match, so now we need to |
| 2520 | // make sure the names match as well |
| 2521 | lhs_decl_ctx = lhs_decl->getDeclContext(); |
| 2522 | rhs_decl_ctx = rhs_decl->getDeclContext(); |
| 2523 | while (true) { |
| 2524 | switch (lhs_decl_ctx->getDeclKind()) { |
| 2525 | case clang::Decl::TranslationUnit: |
| 2526 | // We don't care about the translation unit names |
| 2527 | return true; |
| 2528 | default: { |
| 2529 | clang::NamedDecl *lhs_named_decl = |
| 2530 | llvm::dyn_cast<clang::NamedDecl>(lhs_decl_ctx); |
| 2531 | clang::NamedDecl *rhs_named_decl = |
| 2532 | llvm::dyn_cast<clang::NamedDecl>(rhs_decl_ctx); |
| 2533 | if (lhs_named_decl && rhs_named_decl) { |
| 2534 | clang::DeclarationName lhs_decl_name = |
| 2535 | lhs_named_decl->getDeclName(); |
| 2536 | clang::DeclarationName rhs_decl_name = |
| 2537 | rhs_named_decl->getDeclName(); |
| 2538 | if (lhs_decl_name.getNameKind() == rhs_decl_name.getNameKind()) { |
| 2539 | if (lhs_decl_name.getAsString() != rhs_decl_name.getAsString()) |
| 2540 | return false; |
| 2541 | } else |
| 2542 | return false; |
| 2543 | } else |
| 2544 | return false; |
| 2545 | } break; |
| 2546 | } |
| 2547 | lhs_decl_ctx = lhs_decl_ctx->getParent(); |
| 2548 | rhs_decl_ctx = rhs_decl_ctx->getParent(); |
| 2549 | } |
| 2550 | } |
| 2551 | } |
| 2552 | } |
| 2553 | return false; |
| 2554 | } |
| 2555 | bool TypeSystemClang::GetCompleteDecl(clang::ASTContext *ast, |
| 2556 | clang::Decl *decl) { |
| 2557 | if (!decl) |
| 2558 | return false; |
| 2559 | |
| 2560 | ExternalASTSource *ast_source = ast->getExternalSource(); |
| 2561 | |
| 2562 | if (!ast_source) |
| 2563 | return false; |
| 2564 | |
| 2565 | if (clang::TagDecl *tag_decl = llvm::dyn_cast<clang::TagDecl>(decl)) { |
| 2566 | if (tag_decl->isCompleteDefinition()) |
| 2567 | return true; |
| 2568 | |
| 2569 | if (!tag_decl->hasExternalLexicalStorage()) |
| 2570 | return false; |
| 2571 | |
| 2572 | ast_source->CompleteType(tag_decl); |
| 2573 | |
| 2574 | return !tag_decl->getTypeForDecl()->isIncompleteType(); |
| 2575 | } else if (clang::ObjCInterfaceDecl *objc_interface_decl = |
| 2576 | llvm::dyn_cast<clang::ObjCInterfaceDecl>(decl)) { |
| 2577 | if (objc_interface_decl->getDefinition()) |
| 2578 | return true; |
| 2579 | |
| 2580 | if (!objc_interface_decl->hasExternalLexicalStorage()) |
| 2581 | return false; |
| 2582 | |
| 2583 | ast_source->CompleteType(objc_interface_decl); |
| 2584 | |
| 2585 | return !objc_interface_decl->getTypeForDecl()->isIncompleteType(); |
| 2586 | } else { |
| 2587 | return false; |
| 2588 | } |
| 2589 | } |
| 2590 | |
| 2591 | void TypeSystemClang::SetMetadataAsUserID(const clang::Decl *decl, |
| 2592 | user_id_t user_id) { |
| 2593 | ClangASTMetadata meta_data; |
| 2594 | meta_data.SetUserID(user_id); |
| 2595 | SetMetadata(decl, meta_data); |
| 2596 | } |
| 2597 | |
| 2598 | void TypeSystemClang::SetMetadataAsUserID(const clang::Type *type, |
| 2599 | user_id_t user_id) { |
| 2600 | ClangASTMetadata meta_data; |
| 2601 | meta_data.SetUserID(user_id); |
| 2602 | SetMetadata(type, meta_data); |
| 2603 | } |
| 2604 | |
| 2605 | void TypeSystemClang::SetMetadata(const clang::Decl *object, |
| 2606 | ClangASTMetadata &metadata) { |
| 2607 | m_decl_metadata[object] = metadata; |
| 2608 | } |
| 2609 | |
| 2610 | void TypeSystemClang::SetMetadata(const clang::Type *object, |
| 2611 | ClangASTMetadata &metadata) { |
| 2612 | m_type_metadata[object] = metadata; |
| 2613 | } |
| 2614 | |
| 2615 | ClangASTMetadata *TypeSystemClang::GetMetadata(const clang::Decl *object) { |
| 2616 | auto It = m_decl_metadata.find(object); |
| 2617 | if (It != m_decl_metadata.end()) |
| 2618 | return &It->second; |
| 2619 | return nullptr; |
| 2620 | } |
| 2621 | |
| 2622 | ClangASTMetadata *TypeSystemClang::GetMetadata(const clang::Type *object) { |
| 2623 | auto It = m_type_metadata.find(object); |
| 2624 | if (It != m_type_metadata.end()) |
| 2625 | return &It->second; |
| 2626 | return nullptr; |
| 2627 | } |
| 2628 | |
| 2629 | void TypeSystemClang::SetCXXRecordDeclAccess(const clang::CXXRecordDecl *object, |
| 2630 | clang::AccessSpecifier access) { |
| 2631 | if (access == clang::AccessSpecifier::AS_none) |
| 2632 | m_cxx_record_decl_access.erase(object); |
| 2633 | else |
| 2634 | m_cxx_record_decl_access[object] = access; |
| 2635 | } |
| 2636 | |
| 2637 | clang::AccessSpecifier |
| 2638 | TypeSystemClang::GetCXXRecordDeclAccess(const clang::CXXRecordDecl *object) { |
| 2639 | auto It = m_cxx_record_decl_access.find(object); |
| 2640 | if (It != m_cxx_record_decl_access.end()) |
| 2641 | return It->second; |
| 2642 | return clang::AccessSpecifier::AS_none; |
| 2643 | } |
| 2644 | |
| 2645 | clang::DeclContext * |
| 2646 | TypeSystemClang::GetDeclContextForType(const CompilerType &type) { |
| 2647 | return GetDeclContextForType(ClangUtil::GetQualType(type)); |
| 2648 | } |
| 2649 | |
| 2650 | /// Aggressively desugar the provided type, skipping past various kinds of |
| 2651 | /// syntactic sugar and other constructs one typically wants to ignore. |
| 2652 | /// The \p mask argument allows one to skip certain kinds of simplifications, |
| 2653 | /// when one wishes to handle a certain kind of type directly. |
| 2654 | static QualType |
| 2655 | RemoveWrappingTypes(QualType type, ArrayRef<clang::Type::TypeClass> mask = {}) { |
| 2656 | while (true) { |
| 2657 | if (find(mask, type->getTypeClass()) != mask.end()) |
| 2658 | return type; |
| 2659 | switch (type->getTypeClass()) { |
| 2660 | // This is not fully correct as _Atomic is more than sugar, but it is |
| 2661 | // sufficient for the purposes we care about. |
| 2662 | case clang::Type::Atomic: |
| 2663 | type = cast<clang::AtomicType>(type)->getValueType(); |
| 2664 | break; |
| 2665 | case clang::Type::Auto: |
| 2666 | case clang::Type::Decltype: |
| 2667 | case clang::Type::Elaborated: |
| 2668 | case clang::Type::Paren: |
| 2669 | case clang::Type::SubstTemplateTypeParm: |
| 2670 | case clang::Type::TemplateSpecialization: |
| 2671 | case clang::Type::Typedef: |
| 2672 | case clang::Type::TypeOf: |
| 2673 | case clang::Type::TypeOfExpr: |
| 2674 | case clang::Type::Using: |
| 2675 | type = type->getLocallyUnqualifiedSingleStepDesugaredType(); |
| 2676 | break; |
| 2677 | default: |
| 2678 | return type; |
| 2679 | } |
| 2680 | } |
| 2681 | } |
| 2682 | |
| 2683 | clang::DeclContext * |
| 2684 | TypeSystemClang::GetDeclContextForType(clang::QualType type) { |
| 2685 | if (type.isNull()) |
| 2686 | return nullptr; |
| 2687 | |
| 2688 | clang::QualType qual_type = RemoveWrappingTypes(type.getCanonicalType()); |
| 2689 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2690 | switch (type_class) { |
| 2691 | case clang::Type::ObjCInterface: |
| 2692 | return llvm::cast<clang::ObjCObjectType>(qual_type.getTypePtr()) |
| 2693 | ->getInterface(); |
| 2694 | case clang::Type::ObjCObjectPointer: |
| 2695 | return GetDeclContextForType( |
| 2696 | llvm::cast<clang::ObjCObjectPointerType>(qual_type.getTypePtr()) |
| 2697 | ->getPointeeType()); |
| 2698 | case clang::Type::Record: |
| 2699 | return llvm::cast<clang::RecordType>(qual_type)->getDecl(); |
| 2700 | case clang::Type::Enum: |
| 2701 | return llvm::cast<clang::EnumType>(qual_type)->getDecl(); |
| 2702 | default: |
| 2703 | break; |
| 2704 | } |
| 2705 | // No DeclContext in this type... |
| 2706 | return nullptr; |
| 2707 | } |
| 2708 | |
| 2709 | static bool GetCompleteQualType(clang::ASTContext *ast, |
| 2710 | clang::QualType qual_type, |
| 2711 | bool allow_completion = true) { |
| 2712 | qual_type = RemoveWrappingTypes(qual_type); |
| 2713 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2714 | switch (type_class) { |
| 2715 | case clang::Type::ConstantArray: |
| 2716 | case clang::Type::IncompleteArray: |
| 2717 | case clang::Type::VariableArray: { |
| 2718 | const clang::ArrayType *array_type = |
| 2719 | llvm::dyn_cast<clang::ArrayType>(qual_type.getTypePtr()); |
| 2720 | |
| 2721 | if (array_type) |
| 2722 | return GetCompleteQualType(ast, array_type->getElementType(), |
| 2723 | allow_completion); |
| 2724 | } break; |
| 2725 | case clang::Type::Record: { |
| 2726 | clang::CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); |
| 2727 | if (cxx_record_decl) { |
| 2728 | if (cxx_record_decl->hasExternalLexicalStorage()) { |
| 2729 | const bool is_complete = cxx_record_decl->isCompleteDefinition(); |
| 2730 | const bool fields_loaded = |
| 2731 | cxx_record_decl->hasLoadedFieldsFromExternalStorage(); |
| 2732 | if (is_complete && fields_loaded) |
| 2733 | return true; |
| 2734 | |
| 2735 | if (!allow_completion) |
| 2736 | return false; |
| 2737 | |
| 2738 | // Call the field_begin() accessor to for it to use the external source |
| 2739 | // to load the fields... |
| 2740 | clang::ExternalASTSource *external_ast_source = |
| 2741 | ast->getExternalSource(); |
| 2742 | if (external_ast_source) { |
| 2743 | external_ast_source->CompleteType(cxx_record_decl); |
| 2744 | if (cxx_record_decl->isCompleteDefinition()) { |
| 2745 | cxx_record_decl->field_begin(); |
| 2746 | cxx_record_decl->setHasLoadedFieldsFromExternalStorage(true); |
| 2747 | } |
| 2748 | } |
| 2749 | } |
| 2750 | } |
| 2751 | const clang::TagType *tag_type = |
| 2752 | llvm::cast<clang::TagType>(qual_type.getTypePtr()); |
| 2753 | return !tag_type->isIncompleteType(); |
| 2754 | } break; |
| 2755 | |
| 2756 | case clang::Type::Enum: { |
| 2757 | const clang::TagType *tag_type = |
| 2758 | llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr()); |
| 2759 | if (tag_type) { |
| 2760 | clang::TagDecl *tag_decl = tag_type->getDecl(); |
| 2761 | if (tag_decl) { |
| 2762 | if (tag_decl->getDefinition()) |
| 2763 | return true; |
| 2764 | |
| 2765 | if (!allow_completion) |
| 2766 | return false; |
| 2767 | |
| 2768 | if (tag_decl->hasExternalLexicalStorage()) { |
| 2769 | if (ast) { |
| 2770 | clang::ExternalASTSource *external_ast_source = |
| 2771 | ast->getExternalSource(); |
| 2772 | if (external_ast_source) { |
| 2773 | external_ast_source->CompleteType(tag_decl); |
| 2774 | return !tag_type->isIncompleteType(); |
| 2775 | } |
| 2776 | } |
| 2777 | } |
| 2778 | return false; |
| 2779 | } |
| 2780 | } |
| 2781 | |
| 2782 | } break; |
| 2783 | case clang::Type::ObjCObject: |
| 2784 | case clang::Type::ObjCInterface: { |
| 2785 | const clang::ObjCObjectType *objc_class_type = |
| 2786 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type); |
| 2787 | if (objc_class_type) { |
| 2788 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 2789 | objc_class_type->getInterface(); |
| 2790 | // We currently can't complete objective C types through the newly added |
| 2791 | // ASTContext because it only supports TagDecl objects right now... |
| 2792 | if (class_interface_decl) { |
| 2793 | if (class_interface_decl->getDefinition()) |
| 2794 | return true; |
| 2795 | |
| 2796 | if (!allow_completion) |
| 2797 | return false; |
| 2798 | |
| 2799 | if (class_interface_decl->hasExternalLexicalStorage()) { |
| 2800 | if (ast) { |
| 2801 | clang::ExternalASTSource *external_ast_source = |
| 2802 | ast->getExternalSource(); |
| 2803 | if (external_ast_source) { |
| 2804 | external_ast_source->CompleteType(class_interface_decl); |
| 2805 | return !objc_class_type->isIncompleteType(); |
| 2806 | } |
| 2807 | } |
| 2808 | } |
| 2809 | return false; |
| 2810 | } |
| 2811 | } |
| 2812 | } break; |
| 2813 | |
| 2814 | case clang::Type::Attributed: |
| 2815 | return GetCompleteQualType( |
| 2816 | ast, llvm::cast<clang::AttributedType>(qual_type)->getModifiedType(), |
| 2817 | allow_completion); |
| 2818 | |
| 2819 | default: |
| 2820 | break; |
| 2821 | } |
| 2822 | |
| 2823 | return true; |
| 2824 | } |
| 2825 | |
| 2826 | static clang::ObjCIvarDecl::AccessControl |
| 2827 | ConvertAccessTypeToObjCIvarAccessControl(AccessType access) { |
| 2828 | switch (access) { |
| 2829 | case eAccessNone: |
| 2830 | return clang::ObjCIvarDecl::None; |
| 2831 | case eAccessPublic: |
| 2832 | return clang::ObjCIvarDecl::Public; |
| 2833 | case eAccessPrivate: |
| 2834 | return clang::ObjCIvarDecl::Private; |
| 2835 | case eAccessProtected: |
| 2836 | return clang::ObjCIvarDecl::Protected; |
| 2837 | case eAccessPackage: |
| 2838 | return clang::ObjCIvarDecl::Package; |
| 2839 | } |
| 2840 | return clang::ObjCIvarDecl::None; |
| 2841 | } |
| 2842 | |
| 2843 | // Tests |
| 2844 | |
| 2845 | #ifndef NDEBUG |
| 2846 | bool TypeSystemClang::Verify(lldb::opaque_compiler_type_t type) { |
| 2847 | return !type || llvm::isa<clang::Type>(GetQualType(type).getTypePtr()); |
| 2848 | } |
| 2849 | #endif |
| 2850 | |
| 2851 | bool TypeSystemClang::IsAggregateType(lldb::opaque_compiler_type_t type) { |
| 2852 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 2853 | |
| 2854 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2855 | switch (type_class) { |
| 2856 | case clang::Type::IncompleteArray: |
| 2857 | case clang::Type::VariableArray: |
| 2858 | case clang::Type::ConstantArray: |
| 2859 | case clang::Type::ExtVector: |
| 2860 | case clang::Type::Vector: |
| 2861 | case clang::Type::Record: |
| 2862 | case clang::Type::ObjCObject: |
| 2863 | case clang::Type::ObjCInterface: |
| 2864 | return true; |
| 2865 | default: |
| 2866 | break; |
| 2867 | } |
| 2868 | // The clang type does have a value |
| 2869 | return false; |
| 2870 | } |
| 2871 | |
| 2872 | bool TypeSystemClang::IsAnonymousType(lldb::opaque_compiler_type_t type) { |
| 2873 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 2874 | |
| 2875 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2876 | switch (type_class) { |
| 2877 | case clang::Type::Record: { |
| 2878 | if (const clang::RecordType *record_type = |
| 2879 | llvm::dyn_cast_or_null<clang::RecordType>( |
| 2880 | qual_type.getTypePtrOrNull())) { |
| 2881 | if (const clang::RecordDecl *record_decl = record_type->getDecl()) { |
| 2882 | return record_decl->isAnonymousStructOrUnion(); |
| 2883 | } |
| 2884 | } |
| 2885 | break; |
| 2886 | } |
| 2887 | default: |
| 2888 | break; |
| 2889 | } |
| 2890 | // The clang type does have a value |
| 2891 | return false; |
| 2892 | } |
| 2893 | |
| 2894 | bool TypeSystemClang::IsArrayType(lldb::opaque_compiler_type_t type, |
| 2895 | CompilerType *element_type_ptr, |
| 2896 | uint64_t *size, bool *is_incomplete) { |
| 2897 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 2898 | |
| 2899 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2900 | switch (type_class) { |
| 2901 | default: |
| 2902 | break; |
| 2903 | |
| 2904 | case clang::Type::ConstantArray: |
| 2905 | if (element_type_ptr) |
| 2906 | element_type_ptr->SetCompilerType( |
| 2907 | weak_from_this(), llvm::cast<clang::ConstantArrayType>(qual_type) |
| 2908 | ->getElementType() |
| 2909 | .getAsOpaquePtr()); |
| 2910 | if (size) |
| 2911 | *size = llvm::cast<clang::ConstantArrayType>(qual_type) |
| 2912 | ->getSize() |
| 2913 | .getLimitedValue(ULLONG_MAX(9223372036854775807LL*2ULL+1ULL)); |
| 2914 | if (is_incomplete) |
| 2915 | *is_incomplete = false; |
| 2916 | return true; |
| 2917 | |
| 2918 | case clang::Type::IncompleteArray: |
| 2919 | if (element_type_ptr) |
| 2920 | element_type_ptr->SetCompilerType( |
| 2921 | weak_from_this(), llvm::cast<clang::IncompleteArrayType>(qual_type) |
| 2922 | ->getElementType() |
| 2923 | .getAsOpaquePtr()); |
| 2924 | if (size) |
| 2925 | *size = 0; |
| 2926 | if (is_incomplete) |
| 2927 | *is_incomplete = true; |
| 2928 | return true; |
| 2929 | |
| 2930 | case clang::Type::VariableArray: |
| 2931 | if (element_type_ptr) |
| 2932 | element_type_ptr->SetCompilerType( |
| 2933 | weak_from_this(), llvm::cast<clang::VariableArrayType>(qual_type) |
| 2934 | ->getElementType() |
| 2935 | .getAsOpaquePtr()); |
| 2936 | if (size) |
| 2937 | *size = 0; |
| 2938 | if (is_incomplete) |
| 2939 | *is_incomplete = false; |
| 2940 | return true; |
| 2941 | |
| 2942 | case clang::Type::DependentSizedArray: |
| 2943 | if (element_type_ptr) |
| 2944 | element_type_ptr->SetCompilerType( |
| 2945 | weak_from_this(), |
| 2946 | llvm::cast<clang::DependentSizedArrayType>(qual_type) |
| 2947 | ->getElementType() |
| 2948 | .getAsOpaquePtr()); |
| 2949 | if (size) |
| 2950 | *size = 0; |
| 2951 | if (is_incomplete) |
| 2952 | *is_incomplete = false; |
| 2953 | return true; |
| 2954 | } |
| 2955 | if (element_type_ptr) |
| 2956 | element_type_ptr->Clear(); |
| 2957 | if (size) |
| 2958 | *size = 0; |
| 2959 | if (is_incomplete) |
| 2960 | *is_incomplete = false; |
| 2961 | return false; |
| 2962 | } |
| 2963 | |
| 2964 | bool TypeSystemClang::IsVectorType(lldb::opaque_compiler_type_t type, |
| 2965 | CompilerType *element_type, uint64_t *size) { |
| 2966 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 2967 | |
| 2968 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2969 | switch (type_class) { |
| 2970 | case clang::Type::Vector: { |
| 2971 | const clang::VectorType *vector_type = |
| 2972 | qual_type->getAs<clang::VectorType>(); |
| 2973 | if (vector_type) { |
| 2974 | if (size) |
| 2975 | *size = vector_type->getNumElements(); |
| 2976 | if (element_type) |
| 2977 | *element_type = GetType(vector_type->getElementType()); |
| 2978 | } |
| 2979 | return true; |
| 2980 | } break; |
| 2981 | case clang::Type::ExtVector: { |
| 2982 | const clang::ExtVectorType *ext_vector_type = |
| 2983 | qual_type->getAs<clang::ExtVectorType>(); |
| 2984 | if (ext_vector_type) { |
| 2985 | if (size) |
| 2986 | *size = ext_vector_type->getNumElements(); |
| 2987 | if (element_type) |
| 2988 | *element_type = |
| 2989 | CompilerType(weak_from_this(), |
| 2990 | ext_vector_type->getElementType().getAsOpaquePtr()); |
| 2991 | } |
| 2992 | return true; |
| 2993 | } |
| 2994 | default: |
| 2995 | break; |
| 2996 | } |
| 2997 | return false; |
| 2998 | } |
| 2999 | |
| 3000 | bool TypeSystemClang::IsRuntimeGeneratedType( |
| 3001 | lldb::opaque_compiler_type_t type) { |
| 3002 | clang::DeclContext *decl_ctx = GetDeclContextForType(GetQualType(type)); |
| 3003 | if (!decl_ctx) |
| 3004 | return false; |
| 3005 | |
| 3006 | if (!llvm::isa<clang::ObjCInterfaceDecl>(decl_ctx)) |
| 3007 | return false; |
| 3008 | |
| 3009 | clang::ObjCInterfaceDecl *result_iface_decl = |
| 3010 | llvm::dyn_cast<clang::ObjCInterfaceDecl>(decl_ctx); |
| 3011 | |
| 3012 | ClangASTMetadata *ast_metadata = GetMetadata(result_iface_decl); |
| 3013 | if (!ast_metadata) |
| 3014 | return false; |
| 3015 | return (ast_metadata->GetISAPtr() != 0); |
| 3016 | } |
| 3017 | |
| 3018 | bool TypeSystemClang::IsCharType(lldb::opaque_compiler_type_t type) { |
| 3019 | return GetQualType(type).getUnqualifiedType()->isCharType(); |
| 3020 | } |
| 3021 | |
| 3022 | bool TypeSystemClang::IsCompleteType(lldb::opaque_compiler_type_t type) { |
| 3023 | // If the type hasn't been lazily completed yet, complete it now so that we |
| 3024 | // can give the caller an accurate answer whether the type actually has a |
| 3025 | // definition. Without completing the type now we would just tell the user |
| 3026 | // the current (internal) completeness state of the type and most users don't |
| 3027 | // care (or even know) about this behavior. |
| 3028 | const bool allow_completion = true; |
| 3029 | return GetCompleteQualType(&getASTContext(), GetQualType(type), |
| 3030 | allow_completion); |
| 3031 | } |
| 3032 | |
| 3033 | bool TypeSystemClang::IsConst(lldb::opaque_compiler_type_t type) { |
| 3034 | return GetQualType(type).isConstQualified(); |
| 3035 | } |
| 3036 | |
| 3037 | bool TypeSystemClang::IsCStringType(lldb::opaque_compiler_type_t type, |
| 3038 | uint32_t &length) { |
| 3039 | CompilerType pointee_or_element_clang_type; |
| 3040 | length = 0; |
| 3041 | Flags type_flags(GetTypeInfo(type, &pointee_or_element_clang_type)); |
| 3042 | |
| 3043 | if (!pointee_or_element_clang_type.IsValid()) |
| 3044 | return false; |
| 3045 | |
| 3046 | if (type_flags.AnySet(eTypeIsArray | eTypeIsPointer)) { |
| 3047 | if (pointee_or_element_clang_type.IsCharType()) { |
| 3048 | if (type_flags.Test(eTypeIsArray)) { |
| 3049 | // We know the size of the array and it could be a C string since it is |
| 3050 | // an array of characters |
| 3051 | length = llvm::cast<clang::ConstantArrayType>( |
| 3052 | GetCanonicalQualType(type).getTypePtr()) |
| 3053 | ->getSize() |
| 3054 | .getLimitedValue(); |
| 3055 | } |
| 3056 | return true; |
| 3057 | } |
| 3058 | } |
| 3059 | return false; |
| 3060 | } |
| 3061 | |
| 3062 | bool TypeSystemClang::IsFunctionType(lldb::opaque_compiler_type_t type) { |
| 3063 | auto isFunctionType = [&](clang::QualType qual_type) { |
| 3064 | return qual_type->isFunctionType(); |
| 3065 | }; |
| 3066 | |
| 3067 | return IsTypeImpl(type, isFunctionType); |
| 3068 | } |
| 3069 | |
| 3070 | // Used to detect "Homogeneous Floating-point Aggregates" |
| 3071 | uint32_t |
| 3072 | TypeSystemClang::IsHomogeneousAggregate(lldb::opaque_compiler_type_t type, |
| 3073 | CompilerType *base_type_ptr) { |
| 3074 | if (!type) |
| 3075 | return 0; |
| 3076 | |
| 3077 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 3078 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3079 | switch (type_class) { |
| 3080 | case clang::Type::Record: |
| 3081 | if (GetCompleteType(type)) { |
| 3082 | const clang::CXXRecordDecl *cxx_record_decl = |
| 3083 | qual_type->getAsCXXRecordDecl(); |
| 3084 | if (cxx_record_decl) { |
| 3085 | if (cxx_record_decl->getNumBases() || cxx_record_decl->isDynamicClass()) |
| 3086 | return 0; |
| 3087 | } |
| 3088 | const clang::RecordType *record_type = |
| 3089 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 3090 | if (record_type) { |
| 3091 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 3092 | if (record_decl) { |
| 3093 | // We are looking for a structure that contains only floating point |
| 3094 | // types |
| 3095 | clang::RecordDecl::field_iterator field_pos, |
| 3096 | field_end = record_decl->field_end(); |
| 3097 | uint32_t num_fields = 0; |
| 3098 | bool is_hva = false; |
| 3099 | bool is_hfa = false; |
| 3100 | clang::QualType base_qual_type; |
| 3101 | uint64_t base_bitwidth = 0; |
| 3102 | for (field_pos = record_decl->field_begin(); field_pos != field_end; |
| 3103 | ++field_pos) { |
| 3104 | clang::QualType field_qual_type = field_pos->getType(); |
| 3105 | uint64_t field_bitwidth = getASTContext().getTypeSize(qual_type); |
| 3106 | if (field_qual_type->isFloatingType()) { |
| 3107 | if (field_qual_type->isComplexType()) |
| 3108 | return 0; |
| 3109 | else { |
| 3110 | if (num_fields == 0) |
| 3111 | base_qual_type = field_qual_type; |
| 3112 | else { |
| 3113 | if (is_hva) |
| 3114 | return 0; |
| 3115 | is_hfa = true; |
| 3116 | if (field_qual_type.getTypePtr() != |
| 3117 | base_qual_type.getTypePtr()) |
| 3118 | return 0; |
| 3119 | } |
| 3120 | } |
| 3121 | } else if (field_qual_type->isVectorType() || |
| 3122 | field_qual_type->isExtVectorType()) { |
| 3123 | if (num_fields == 0) { |
| 3124 | base_qual_type = field_qual_type; |
| 3125 | base_bitwidth = field_bitwidth; |
| 3126 | } else { |
| 3127 | if (is_hfa) |
| 3128 | return 0; |
| 3129 | is_hva = true; |
| 3130 | if (base_bitwidth != field_bitwidth) |
| 3131 | return 0; |
| 3132 | if (field_qual_type.getTypePtr() != base_qual_type.getTypePtr()) |
| 3133 | return 0; |
| 3134 | } |
| 3135 | } else |
| 3136 | return 0; |
| 3137 | ++num_fields; |
| 3138 | } |
| 3139 | if (base_type_ptr) |
| 3140 | *base_type_ptr = |
| 3141 | CompilerType(weak_from_this(), base_qual_type.getAsOpaquePtr()); |
| 3142 | return num_fields; |
| 3143 | } |
| 3144 | } |
| 3145 | } |
| 3146 | break; |
| 3147 | |
| 3148 | default: |
| 3149 | break; |
| 3150 | } |
| 3151 | return 0; |
| 3152 | } |
| 3153 | |
| 3154 | size_t TypeSystemClang::GetNumberOfFunctionArguments( |
| 3155 | lldb::opaque_compiler_type_t type) { |
| 3156 | if (type) { |
| 3157 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3158 | const clang::FunctionProtoType *func = |
| 3159 | llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); |
| 3160 | if (func) |
| 3161 | return func->getNumParams(); |
| 3162 | } |
| 3163 | return 0; |
| 3164 | } |
| 3165 | |
| 3166 | CompilerType |
| 3167 | TypeSystemClang::GetFunctionArgumentAtIndex(lldb::opaque_compiler_type_t type, |
| 3168 | const size_t index) { |
| 3169 | if (type) { |
| 3170 | clang::QualType qual_type(GetQualType(type)); |
| 3171 | const clang::FunctionProtoType *func = |
| 3172 | llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); |
| 3173 | if (func) { |
| 3174 | if (index < func->getNumParams()) |
| 3175 | return CompilerType(weak_from_this(), func->getParamType(index).getAsOpaquePtr()); |
| 3176 | } |
| 3177 | } |
| 3178 | return CompilerType(); |
| 3179 | } |
| 3180 | |
| 3181 | bool TypeSystemClang::IsTypeImpl( |
| 3182 | lldb::opaque_compiler_type_t type, |
| 3183 | llvm::function_ref<bool(clang::QualType)> predicate) const { |
| 3184 | if (type) { |
| 3185 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 3186 | |
| 3187 | if (predicate(qual_type)) |
| 3188 | return true; |
| 3189 | |
| 3190 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3191 | switch (type_class) { |
| 3192 | default: |
| 3193 | break; |
| 3194 | |
| 3195 | case clang::Type::LValueReference: |
| 3196 | case clang::Type::RValueReference: { |
| 3197 | const clang::ReferenceType *reference_type = |
| 3198 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); |
| 3199 | if (reference_type) |
| 3200 | return IsTypeImpl(reference_type->getPointeeType().getAsOpaquePtr(), predicate); |
| 3201 | } break; |
| 3202 | } |
| 3203 | } |
| 3204 | return false; |
| 3205 | } |
| 3206 | |
| 3207 | bool TypeSystemClang::IsMemberFunctionPointerType( |
| 3208 | lldb::opaque_compiler_type_t type) { |
| 3209 | auto isMemberFunctionPointerType = [](clang::QualType qual_type) { |
| 3210 | return qual_type->isMemberFunctionPointerType(); |
| 3211 | }; |
| 3212 | |
| 3213 | return IsTypeImpl(type, isMemberFunctionPointerType); |
| 3214 | } |
| 3215 | |
| 3216 | bool TypeSystemClang::IsFunctionPointerType(lldb::opaque_compiler_type_t type) { |
| 3217 | auto isFunctionPointerType = [](clang::QualType qual_type) { |
| 3218 | return qual_type->isFunctionPointerType(); |
| 3219 | }; |
| 3220 | |
| 3221 | return IsTypeImpl(type, isFunctionPointerType); |
| 3222 | } |
| 3223 | |
| 3224 | bool TypeSystemClang::IsBlockPointerType( |
| 3225 | lldb::opaque_compiler_type_t type, |
| 3226 | CompilerType *function_pointer_type_ptr) { |
| 3227 | auto isBlockPointerType = [&](clang::QualType qual_type) { |
| 3228 | if (qual_type->isBlockPointerType()) { |
| 3229 | if (function_pointer_type_ptr) { |
| 3230 | const clang::BlockPointerType *block_pointer_type = |
| 3231 | qual_type->castAs<clang::BlockPointerType>(); |
| 3232 | QualType pointee_type = block_pointer_type->getPointeeType(); |
| 3233 | QualType function_pointer_type = m_ast_up->getPointerType(pointee_type); |
| 3234 | *function_pointer_type_ptr = CompilerType( |
| 3235 | weak_from_this(), function_pointer_type.getAsOpaquePtr()); |
| 3236 | } |
| 3237 | return true; |
| 3238 | } |
| 3239 | |
| 3240 | return false; |
| 3241 | }; |
| 3242 | |
| 3243 | return IsTypeImpl(type, isBlockPointerType); |
| 3244 | } |
| 3245 | |
| 3246 | bool TypeSystemClang::IsIntegerType(lldb::opaque_compiler_type_t type, |
| 3247 | bool &is_signed) { |
| 3248 | if (!type) |
| 3249 | return false; |
| 3250 | |
| 3251 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3252 | const clang::BuiltinType *builtin_type = |
| 3253 | llvm::dyn_cast<clang::BuiltinType>(qual_type->getCanonicalTypeInternal()); |
| 3254 | |
| 3255 | if (builtin_type) { |
| 3256 | if (builtin_type->isInteger()) { |
| 3257 | is_signed = builtin_type->isSignedInteger(); |
| 3258 | return true; |
| 3259 | } |
| 3260 | } |
| 3261 | |
| 3262 | return false; |
| 3263 | } |
| 3264 | |
| 3265 | bool TypeSystemClang::IsEnumerationType(lldb::opaque_compiler_type_t type, |
| 3266 | bool &is_signed) { |
| 3267 | if (type) { |
| 3268 | const clang::EnumType *enum_type = llvm::dyn_cast<clang::EnumType>( |
| 3269 | GetCanonicalQualType(type)->getCanonicalTypeInternal()); |
| 3270 | |
| 3271 | if (enum_type) { |
| 3272 | IsIntegerType(enum_type->getDecl()->getIntegerType().getAsOpaquePtr(), |
| 3273 | is_signed); |
| 3274 | return true; |
| 3275 | } |
| 3276 | } |
| 3277 | |
| 3278 | return false; |
| 3279 | } |
| 3280 | |
| 3281 | bool TypeSystemClang::IsScopedEnumerationType( |
| 3282 | lldb::opaque_compiler_type_t type) { |
| 3283 | if (type) { |
| 3284 | const clang::EnumType *enum_type = llvm::dyn_cast<clang::EnumType>( |
| 3285 | GetCanonicalQualType(type)->getCanonicalTypeInternal()); |
| 3286 | |
| 3287 | if (enum_type) { |
| 3288 | return enum_type->isScopedEnumeralType(); |
| 3289 | } |
| 3290 | } |
| 3291 | |
| 3292 | return false; |
| 3293 | } |
| 3294 | |
| 3295 | bool TypeSystemClang::IsPointerType(lldb::opaque_compiler_type_t type, |
| 3296 | CompilerType *pointee_type) { |
| 3297 | if (type) { |
| 3298 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 3299 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3300 | switch (type_class) { |
| 3301 | case clang::Type::Builtin: |
| 3302 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 3303 | default: |
| 3304 | break; |
| 3305 | case clang::BuiltinType::ObjCId: |
| 3306 | case clang::BuiltinType::ObjCClass: |
| 3307 | return true; |
| 3308 | } |
| 3309 | return false; |
| 3310 | case clang::Type::ObjCObjectPointer: |
| 3311 | if (pointee_type) |
| 3312 | pointee_type->SetCompilerType( |
| 3313 | weak_from_this(), |
| 3314 | llvm::cast<clang::ObjCObjectPointerType>(qual_type) |
| 3315 | ->getPointeeType() |
| 3316 | .getAsOpaquePtr()); |
| 3317 | return true; |
| 3318 | case clang::Type::BlockPointer: |
| 3319 | if (pointee_type) |
| 3320 | pointee_type->SetCompilerType( |
| 3321 | weak_from_this(), llvm::cast<clang::BlockPointerType>(qual_type) |
| 3322 | ->getPointeeType() |
| 3323 | .getAsOpaquePtr()); |
| 3324 | return true; |
| 3325 | case clang::Type::Pointer: |
| 3326 | if (pointee_type) |
| 3327 | pointee_type->SetCompilerType(weak_from_this(), |
| 3328 | llvm::cast<clang::PointerType>(qual_type) |
| 3329 | ->getPointeeType() |
| 3330 | .getAsOpaquePtr()); |
| 3331 | return true; |
| 3332 | case clang::Type::MemberPointer: |
| 3333 | if (pointee_type) |
| 3334 | pointee_type->SetCompilerType( |
| 3335 | weak_from_this(), llvm::cast<clang::MemberPointerType>(qual_type) |
| 3336 | ->getPointeeType() |
| 3337 | .getAsOpaquePtr()); |
| 3338 | return true; |
| 3339 | default: |
| 3340 | break; |
| 3341 | } |
| 3342 | } |
| 3343 | if (pointee_type) |
| 3344 | pointee_type->Clear(); |
| 3345 | return false; |
| 3346 | } |
| 3347 | |
| 3348 | bool TypeSystemClang::IsPointerOrReferenceType( |
| 3349 | lldb::opaque_compiler_type_t type, CompilerType *pointee_type) { |
| 3350 | if (type) { |
| 3351 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 3352 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3353 | switch (type_class) { |
| 3354 | case clang::Type::Builtin: |
| 3355 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 3356 | default: |
| 3357 | break; |
| 3358 | case clang::BuiltinType::ObjCId: |
| 3359 | case clang::BuiltinType::ObjCClass: |
| 3360 | return true; |
| 3361 | } |
| 3362 | return false; |
| 3363 | case clang::Type::ObjCObjectPointer: |
| 3364 | if (pointee_type) |
| 3365 | pointee_type->SetCompilerType( |
| 3366 | weak_from_this(), |
| 3367 | llvm::cast<clang::ObjCObjectPointerType>(qual_type) |
| 3368 | ->getPointeeType() |
| 3369 | .getAsOpaquePtr()); |
| 3370 | return true; |
| 3371 | case clang::Type::BlockPointer: |
| 3372 | if (pointee_type) |
| 3373 | pointee_type->SetCompilerType( |
| 3374 | weak_from_this(), llvm::cast<clang::BlockPointerType>(qual_type) |
| 3375 | ->getPointeeType() |
| 3376 | .getAsOpaquePtr()); |
| 3377 | return true; |
| 3378 | case clang::Type::Pointer: |
| 3379 | if (pointee_type) |
| 3380 | pointee_type->SetCompilerType(weak_from_this(), |
| 3381 | llvm::cast<clang::PointerType>(qual_type) |
| 3382 | ->getPointeeType() |
| 3383 | .getAsOpaquePtr()); |
| 3384 | return true; |
| 3385 | case clang::Type::MemberPointer: |
| 3386 | if (pointee_type) |
| 3387 | pointee_type->SetCompilerType( |
| 3388 | weak_from_this(), llvm::cast<clang::MemberPointerType>(qual_type) |
| 3389 | ->getPointeeType() |
| 3390 | .getAsOpaquePtr()); |
| 3391 | return true; |
| 3392 | case clang::Type::LValueReference: |
| 3393 | if (pointee_type) |
| 3394 | pointee_type->SetCompilerType( |
| 3395 | weak_from_this(), llvm::cast<clang::LValueReferenceType>(qual_type) |
| 3396 | ->desugar() |
| 3397 | .getAsOpaquePtr()); |
| 3398 | return true; |
| 3399 | case clang::Type::RValueReference: |
| 3400 | if (pointee_type) |
| 3401 | pointee_type->SetCompilerType( |
| 3402 | weak_from_this(), llvm::cast<clang::RValueReferenceType>(qual_type) |
| 3403 | ->desugar() |
| 3404 | .getAsOpaquePtr()); |
| 3405 | return true; |
| 3406 | default: |
| 3407 | break; |
| 3408 | } |
| 3409 | } |
| 3410 | if (pointee_type) |
| 3411 | pointee_type->Clear(); |
| 3412 | return false; |
| 3413 | } |
| 3414 | |
| 3415 | bool TypeSystemClang::IsReferenceType(lldb::opaque_compiler_type_t type, |
| 3416 | CompilerType *pointee_type, |
| 3417 | bool *is_rvalue) { |
| 3418 | if (type) { |
| 3419 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 3420 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3421 | |
| 3422 | switch (type_class) { |
| 3423 | case clang::Type::LValueReference: |
| 3424 | if (pointee_type) |
| 3425 | pointee_type->SetCompilerType( |
| 3426 | weak_from_this(), llvm::cast<clang::LValueReferenceType>(qual_type) |
| 3427 | ->desugar() |
| 3428 | .getAsOpaquePtr()); |
| 3429 | if (is_rvalue) |
| 3430 | *is_rvalue = false; |
| 3431 | return true; |
| 3432 | case clang::Type::RValueReference: |
| 3433 | if (pointee_type) |
| 3434 | pointee_type->SetCompilerType( |
| 3435 | weak_from_this(), llvm::cast<clang::RValueReferenceType>(qual_type) |
| 3436 | ->desugar() |
| 3437 | .getAsOpaquePtr()); |
| 3438 | if (is_rvalue) |
| 3439 | *is_rvalue = true; |
| 3440 | return true; |
| 3441 | |
| 3442 | default: |
| 3443 | break; |
| 3444 | } |
| 3445 | } |
| 3446 | if (pointee_type) |
| 3447 | pointee_type->Clear(); |
| 3448 | return false; |
| 3449 | } |
| 3450 | |
| 3451 | bool TypeSystemClang::IsFloatingPointType(lldb::opaque_compiler_type_t type, |
| 3452 | uint32_t &count, bool &is_complex) { |
| 3453 | if (type) { |
| 3454 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3455 | |
| 3456 | if (const clang::BuiltinType *BT = llvm::dyn_cast<clang::BuiltinType>( |
| 3457 | qual_type->getCanonicalTypeInternal())) { |
| 3458 | clang::BuiltinType::Kind kind = BT->getKind(); |
| 3459 | if (kind >= clang::BuiltinType::Float && |
| 3460 | kind <= clang::BuiltinType::LongDouble) { |
| 3461 | count = 1; |
| 3462 | is_complex = false; |
| 3463 | return true; |
| 3464 | } |
| 3465 | } else if (const clang::ComplexType *CT = |
| 3466 | llvm::dyn_cast<clang::ComplexType>( |
| 3467 | qual_type->getCanonicalTypeInternal())) { |
| 3468 | if (IsFloatingPointType(CT->getElementType().getAsOpaquePtr(), count, |
| 3469 | is_complex)) { |
| 3470 | count = 2; |
| 3471 | is_complex = true; |
| 3472 | return true; |
| 3473 | } |
| 3474 | } else if (const clang::VectorType *VT = llvm::dyn_cast<clang::VectorType>( |
| 3475 | qual_type->getCanonicalTypeInternal())) { |
| 3476 | if (IsFloatingPointType(VT->getElementType().getAsOpaquePtr(), count, |
| 3477 | is_complex)) { |
| 3478 | count = VT->getNumElements(); |
| 3479 | is_complex = false; |
| 3480 | return true; |
| 3481 | } |
| 3482 | } |
| 3483 | } |
| 3484 | count = 0; |
| 3485 | is_complex = false; |
| 3486 | return false; |
| 3487 | } |
| 3488 | |
| 3489 | bool TypeSystemClang::IsDefined(lldb::opaque_compiler_type_t type) { |
| 3490 | if (!type) |
| 3491 | return false; |
| 3492 | |
| 3493 | clang::QualType qual_type(GetQualType(type)); |
| 3494 | const clang::TagType *tag_type = |
| 3495 | llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr()); |
| 3496 | if (tag_type) { |
| 3497 | clang::TagDecl *tag_decl = tag_type->getDecl(); |
| 3498 | if (tag_decl) |
| 3499 | return tag_decl->isCompleteDefinition(); |
| 3500 | return false; |
| 3501 | } else { |
| 3502 | const clang::ObjCObjectType *objc_class_type = |
| 3503 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type); |
| 3504 | if (objc_class_type) { |
| 3505 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 3506 | objc_class_type->getInterface(); |
| 3507 | if (class_interface_decl) |
| 3508 | return class_interface_decl->getDefinition() != nullptr; |
| 3509 | return false; |
| 3510 | } |
| 3511 | } |
| 3512 | return true; |
| 3513 | } |
| 3514 | |
| 3515 | bool TypeSystemClang::IsObjCClassType(const CompilerType &type) { |
| 3516 | if (ClangUtil::IsClangType(type)) { |
| 3517 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); |
| 3518 | |
| 3519 | const clang::ObjCObjectPointerType *obj_pointer_type = |
| 3520 | llvm::dyn_cast<clang::ObjCObjectPointerType>(qual_type); |
| 3521 | |
| 3522 | if (obj_pointer_type) |
| 3523 | return obj_pointer_type->isObjCClassType(); |
| 3524 | } |
| 3525 | return false; |
| 3526 | } |
| 3527 | |
| 3528 | bool TypeSystemClang::IsObjCObjectOrInterfaceType(const CompilerType &type) { |
| 3529 | if (ClangUtil::IsClangType(type)) |
| 3530 | return ClangUtil::GetCanonicalQualType(type)->isObjCObjectOrInterfaceType(); |
| 3531 | return false; |
| 3532 | } |
| 3533 | |
| 3534 | bool TypeSystemClang::IsClassType(lldb::opaque_compiler_type_t type) { |
| 3535 | if (!type) |
| 3536 | return false; |
| 3537 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3538 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3539 | return (type_class == clang::Type::Record); |
| 3540 | } |
| 3541 | |
| 3542 | bool TypeSystemClang::IsEnumType(lldb::opaque_compiler_type_t type) { |
| 3543 | if (!type) |
| 3544 | return false; |
| 3545 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3546 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3547 | return (type_class == clang::Type::Enum); |
| 3548 | } |
| 3549 | |
| 3550 | bool TypeSystemClang::IsPolymorphicClass(lldb::opaque_compiler_type_t type) { |
| 3551 | if (type) { |
| 3552 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3553 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3554 | switch (type_class) { |
| 3555 | case clang::Type::Record: |
| 3556 | if (GetCompleteType(type)) { |
| 3557 | const clang::RecordType *record_type = |
| 3558 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 3559 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 3560 | if (record_decl) { |
| 3561 | const clang::CXXRecordDecl *cxx_record_decl = |
| 3562 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 3563 | if (cxx_record_decl) |
| 3564 | return cxx_record_decl->isPolymorphic(); |
| 3565 | } |
| 3566 | } |
| 3567 | break; |
| 3568 | |
| 3569 | default: |
| 3570 | break; |
| 3571 | } |
| 3572 | } |
| 3573 | return false; |
| 3574 | } |
| 3575 | |
| 3576 | bool TypeSystemClang::IsPossibleDynamicType(lldb::opaque_compiler_type_t type, |
| 3577 | CompilerType *dynamic_pointee_type, |
| 3578 | bool check_cplusplus, |
| 3579 | bool check_objc) { |
| 3580 | clang::QualType pointee_qual_type; |
| 3581 | if (type) { |
| 3582 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 3583 | bool success = false; |
| 3584 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3585 | switch (type_class) { |
| 3586 | case clang::Type::Builtin: |
| 3587 | if (check_objc && |
| 3588 | llvm::cast<clang::BuiltinType>(qual_type)->getKind() == |
| 3589 | clang::BuiltinType::ObjCId) { |
| 3590 | if (dynamic_pointee_type) |
| 3591 | dynamic_pointee_type->SetCompilerType(weak_from_this(), type); |
| 3592 | return true; |
| 3593 | } |
| 3594 | break; |
| 3595 | |
| 3596 | case clang::Type::ObjCObjectPointer: |
| 3597 | if (check_objc) { |
| 3598 | if (const auto *objc_pointee_type = |
| 3599 | qual_type->getPointeeType().getTypePtrOrNull()) { |
| 3600 | if (const auto *objc_object_type = |
| 3601 | llvm::dyn_cast_or_null<clang::ObjCObjectType>( |
| 3602 | objc_pointee_type)) { |
| 3603 | if (objc_object_type->isObjCClass()) |
| 3604 | return false; |
| 3605 | } |
| 3606 | } |
| 3607 | if (dynamic_pointee_type) |
| 3608 | dynamic_pointee_type->SetCompilerType( |
| 3609 | weak_from_this(), |
| 3610 | llvm::cast<clang::ObjCObjectPointerType>(qual_type) |
| 3611 | ->getPointeeType() |
| 3612 | .getAsOpaquePtr()); |
| 3613 | return true; |
| 3614 | } |
| 3615 | break; |
| 3616 | |
| 3617 | case clang::Type::Pointer: |
| 3618 | pointee_qual_type = |
| 3619 | llvm::cast<clang::PointerType>(qual_type)->getPointeeType(); |
| 3620 | success = true; |
| 3621 | break; |
| 3622 | |
| 3623 | case clang::Type::LValueReference: |
| 3624 | case clang::Type::RValueReference: |
| 3625 | pointee_qual_type = |
| 3626 | llvm::cast<clang::ReferenceType>(qual_type)->getPointeeType(); |
| 3627 | success = true; |
| 3628 | break; |
| 3629 | |
| 3630 | default: |
| 3631 | break; |
| 3632 | } |
| 3633 | |
| 3634 | if (success) { |
| 3635 | // Check to make sure what we are pointing too is a possible dynamic C++ |
| 3636 | // type We currently accept any "void *" (in case we have a class that |
| 3637 | // has been watered down to an opaque pointer) and virtual C++ classes. |
| 3638 | const clang::Type::TypeClass pointee_type_class = |
| 3639 | pointee_qual_type.getCanonicalType()->getTypeClass(); |
| 3640 | switch (pointee_type_class) { |
| 3641 | case clang::Type::Builtin: |
| 3642 | switch (llvm::cast<clang::BuiltinType>(pointee_qual_type)->getKind()) { |
| 3643 | case clang::BuiltinType::UnknownAny: |
| 3644 | case clang::BuiltinType::Void: |
| 3645 | if (dynamic_pointee_type) |
| 3646 | dynamic_pointee_type->SetCompilerType( |
| 3647 | weak_from_this(), pointee_qual_type.getAsOpaquePtr()); |
| 3648 | return true; |
| 3649 | default: |
| 3650 | break; |
| 3651 | } |
| 3652 | break; |
| 3653 | |
| 3654 | case clang::Type::Record: |
| 3655 | if (check_cplusplus) { |
| 3656 | clang::CXXRecordDecl *cxx_record_decl = |
| 3657 | pointee_qual_type->getAsCXXRecordDecl(); |
| 3658 | if (cxx_record_decl) { |
| 3659 | bool is_complete = cxx_record_decl->isCompleteDefinition(); |
| 3660 | |
| 3661 | if (is_complete) |
| 3662 | success = cxx_record_decl->isDynamicClass(); |
| 3663 | else { |
| 3664 | ClangASTMetadata *metadata = GetMetadata(cxx_record_decl); |
| 3665 | if (metadata) |
| 3666 | success = metadata->GetIsDynamicCXXType(); |
| 3667 | else { |
| 3668 | is_complete = GetType(pointee_qual_type).GetCompleteType(); |
| 3669 | if (is_complete) |
| 3670 | success = cxx_record_decl->isDynamicClass(); |
| 3671 | else |
| 3672 | success = false; |
| 3673 | } |
| 3674 | } |
| 3675 | |
| 3676 | if (success) { |
| 3677 | if (dynamic_pointee_type) |
| 3678 | dynamic_pointee_type->SetCompilerType( |
| 3679 | weak_from_this(), pointee_qual_type.getAsOpaquePtr()); |
| 3680 | return true; |
| 3681 | } |
| 3682 | } |
| 3683 | } |
| 3684 | break; |
| 3685 | |
| 3686 | case clang::Type::ObjCObject: |
| 3687 | case clang::Type::ObjCInterface: |
| 3688 | if (check_objc) { |
| 3689 | if (dynamic_pointee_type) |
| 3690 | dynamic_pointee_type->SetCompilerType( |
| 3691 | weak_from_this(), pointee_qual_type.getAsOpaquePtr()); |
| 3692 | return true; |
| 3693 | } |
| 3694 | break; |
| 3695 | |
| 3696 | default: |
| 3697 | break; |
| 3698 | } |
| 3699 | } |
| 3700 | } |
| 3701 | if (dynamic_pointee_type) |
| 3702 | dynamic_pointee_type->Clear(); |
| 3703 | return false; |
| 3704 | } |
| 3705 | |
| 3706 | bool TypeSystemClang::IsScalarType(lldb::opaque_compiler_type_t type) { |
| 3707 | if (!type) |
| 3708 | return false; |
| 3709 | |
| 3710 | return (GetTypeInfo(type, nullptr) & eTypeIsScalar) != 0; |
| 3711 | } |
| 3712 | |
| 3713 | bool TypeSystemClang::IsTypedefType(lldb::opaque_compiler_type_t type) { |
| 3714 | if (!type) |
| 3715 | return false; |
| 3716 | return RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}) |
| 3717 | ->getTypeClass() == clang::Type::Typedef; |
| 3718 | } |
| 3719 | |
| 3720 | bool TypeSystemClang::IsVoidType(lldb::opaque_compiler_type_t type) { |
| 3721 | if (!type) |
| 3722 | return false; |
| 3723 | return GetCanonicalQualType(type)->isVoidType(); |
| 3724 | } |
| 3725 | |
| 3726 | bool TypeSystemClang::CanPassInRegisters(const CompilerType &type) { |
| 3727 | if (auto *record_decl = |
| 3728 | TypeSystemClang::GetAsRecordDecl(type)) { |
| 3729 | return record_decl->canPassInRegisters(); |
| 3730 | } |
| 3731 | return false; |
| 3732 | } |
| 3733 | |
| 3734 | bool TypeSystemClang::SupportsLanguage(lldb::LanguageType language) { |
| 3735 | return TypeSystemClangSupportsLanguage(language); |
| 3736 | } |
| 3737 | |
| 3738 | std::optional<std::string> |
| 3739 | TypeSystemClang::GetCXXClassName(const CompilerType &type) { |
| 3740 | if (!type) |
| 3741 | return std::nullopt; |
| 3742 | |
| 3743 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); |
| 3744 | if (qual_type.isNull()) |
| 3745 | return std::nullopt; |
| 3746 | |
| 3747 | clang::CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); |
| 3748 | if (!cxx_record_decl) |
| 3749 | return std::nullopt; |
| 3750 | |
| 3751 | return std::string(cxx_record_decl->getIdentifier()->getNameStart()); |
| 3752 | } |
| 3753 | |
| 3754 | bool TypeSystemClang::IsCXXClassType(const CompilerType &type) { |
| 3755 | if (!type) |
| 3756 | return false; |
| 3757 | |
| 3758 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); |
| 3759 | return !qual_type.isNull() && qual_type->getAsCXXRecordDecl() != nullptr; |
| 3760 | } |
| 3761 | |
| 3762 | bool TypeSystemClang::IsBeingDefined(lldb::opaque_compiler_type_t type) { |
| 3763 | if (!type) |
| 3764 | return false; |
| 3765 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3766 | const clang::TagType *tag_type = llvm::dyn_cast<clang::TagType>(qual_type); |
| 3767 | if (tag_type) |
| 3768 | return tag_type->isBeingDefined(); |
| 3769 | return false; |
| 3770 | } |
| 3771 | |
| 3772 | bool TypeSystemClang::IsObjCObjectPointerType(const CompilerType &type, |
| 3773 | CompilerType *class_type_ptr) { |
| 3774 | if (!ClangUtil::IsClangType(type)) |
| 3775 | return false; |
| 3776 | |
| 3777 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); |
| 3778 | |
| 3779 | if (!qual_type.isNull() && qual_type->isObjCObjectPointerType()) { |
| 3780 | if (class_type_ptr) { |
| 3781 | if (!qual_type->isObjCClassType() && !qual_type->isObjCIdType()) { |
| 3782 | const clang::ObjCObjectPointerType *obj_pointer_type = |
| 3783 | llvm::dyn_cast<clang::ObjCObjectPointerType>(qual_type); |
| 3784 | if (obj_pointer_type == nullptr) |
| 3785 | class_type_ptr->Clear(); |
| 3786 | else |
| 3787 | class_type_ptr->SetCompilerType( |
| 3788 | type.GetTypeSystem(), |
| 3789 | clang::QualType(obj_pointer_type->getInterfaceType(), 0) |
| 3790 | .getAsOpaquePtr()); |
| 3791 | } |
| 3792 | } |
| 3793 | return true; |
| 3794 | } |
| 3795 | if (class_type_ptr) |
| 3796 | class_type_ptr->Clear(); |
| 3797 | return false; |
| 3798 | } |
| 3799 | |
| 3800 | // Type Completion |
| 3801 | |
| 3802 | bool TypeSystemClang::GetCompleteType(lldb::opaque_compiler_type_t type) { |
| 3803 | if (!type) |
| 3804 | return false; |
| 3805 | const bool allow_completion = true; |
| 3806 | return GetCompleteQualType(&getASTContext(), GetQualType(type), |
| 3807 | allow_completion); |
| 3808 | } |
| 3809 | |
| 3810 | ConstString TypeSystemClang::GetTypeName(lldb::opaque_compiler_type_t type, |
| 3811 | bool base_only) { |
| 3812 | if (!type) |
| 3813 | return ConstString(); |
| 3814 | |
| 3815 | clang::QualType qual_type(GetQualType(type)); |
| 3816 | |
| 3817 | // Remove certain type sugar from the name. Sugar such as elaborated types |
| 3818 | // or template types which only serve to improve diagnostics shouldn't |
| 3819 | // act as their own types from the user's perspective (e.g., formatter |
| 3820 | // shouldn't format a variable differently depending on how the ser has |
| 3821 | // specified the type. '::Type' and 'Type' should behave the same). |
| 3822 | // Typedefs and atomic derived types are not removed as they are actually |
| 3823 | // useful for identifiying specific types. |
| 3824 | qual_type = RemoveWrappingTypes(qual_type, |
| 3825 | {clang::Type::Typedef, clang::Type::Atomic}); |
| 3826 | |
| 3827 | // For a typedef just return the qualified name. |
| 3828 | if (const auto *typedef_type = qual_type->getAs<clang::TypedefType>()) { |
| 3829 | const clang::TypedefNameDecl *typedef_decl = typedef_type->getDecl(); |
| 3830 | return ConstString(GetTypeNameForDecl(typedef_decl)); |
| 3831 | } |
| 3832 | |
| 3833 | // For consistency, this follows the same code path that clang uses to emit |
| 3834 | // debug info. This also handles when we don't want any scopes preceding the |
| 3835 | // name. |
| 3836 | if (auto *named_decl = qual_type->getAsTagDecl()) |
| 3837 | return ConstString(GetTypeNameForDecl(named_decl, !base_only)); |
| 3838 | |
| 3839 | return ConstString(qual_type.getAsString(GetTypePrintingPolicy())); |
| 3840 | } |
| 3841 | |
| 3842 | ConstString |
| 3843 | TypeSystemClang::GetDisplayTypeName(lldb::opaque_compiler_type_t type) { |
| 3844 | if (!type) |
| 3845 | return ConstString(); |
| 3846 | |
| 3847 | clang::QualType qual_type(GetQualType(type)); |
| 3848 | clang::PrintingPolicy printing_policy(getASTContext().getPrintingPolicy()); |
| 3849 | printing_policy.SuppressTagKeyword = true; |
| 3850 | printing_policy.SuppressScope = false; |
| 3851 | printing_policy.SuppressUnwrittenScope = true; |
| 3852 | printing_policy.SuppressInlineNamespace = true; |
| 3853 | return ConstString(qual_type.getAsString(printing_policy)); |
| 3854 | } |
| 3855 | |
| 3856 | uint32_t |
| 3857 | TypeSystemClang::GetTypeInfo(lldb::opaque_compiler_type_t type, |
| 3858 | CompilerType *pointee_or_element_clang_type) { |
| 3859 | if (!type) |
| 3860 | return 0; |
| 3861 | |
| 3862 | if (pointee_or_element_clang_type) |
| 3863 | pointee_or_element_clang_type->Clear(); |
| 3864 | |
| 3865 | clang::QualType qual_type = |
| 3866 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}); |
| 3867 | |
| 3868 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3869 | switch (type_class) { |
| 3870 | case clang::Type::Attributed: |
| 3871 | return GetTypeInfo(qual_type->castAs<clang::AttributedType>() |
| 3872 | ->getModifiedType() |
| 3873 | .getAsOpaquePtr(), |
| 3874 | pointee_or_element_clang_type); |
| 3875 | case clang::Type::Builtin: { |
| 3876 | const clang::BuiltinType *builtin_type = |
| 3877 | llvm::cast<clang::BuiltinType>(qual_type->getCanonicalTypeInternal()); |
| 3878 | |
| 3879 | uint32_t builtin_type_flags = eTypeIsBuiltIn | eTypeHasValue; |
| 3880 | switch (builtin_type->getKind()) { |
| 3881 | case clang::BuiltinType::ObjCId: |
| 3882 | case clang::BuiltinType::ObjCClass: |
| 3883 | if (pointee_or_element_clang_type) |
| 3884 | pointee_or_element_clang_type->SetCompilerType( |
| 3885 | weak_from_this(), |
| 3886 | getASTContext().ObjCBuiltinClassTy.getAsOpaquePtr()); |
| 3887 | builtin_type_flags |= eTypeIsPointer | eTypeIsObjC; |
| 3888 | break; |
| 3889 | |
| 3890 | case clang::BuiltinType::ObjCSel: |
| 3891 | if (pointee_or_element_clang_type) |
| 3892 | pointee_or_element_clang_type->SetCompilerType( |
| 3893 | weak_from_this(), getASTContext().CharTy.getAsOpaquePtr()); |
| 3894 | builtin_type_flags |= eTypeIsPointer | eTypeIsObjC; |
| 3895 | break; |
| 3896 | |
| 3897 | case clang::BuiltinType::Bool: |
| 3898 | case clang::BuiltinType::Char_U: |
| 3899 | case clang::BuiltinType::UChar: |
| 3900 | case clang::BuiltinType::WChar_U: |
| 3901 | case clang::BuiltinType::Char16: |
| 3902 | case clang::BuiltinType::Char32: |
| 3903 | case clang::BuiltinType::UShort: |
| 3904 | case clang::BuiltinType::UInt: |
| 3905 | case clang::BuiltinType::ULong: |
| 3906 | case clang::BuiltinType::ULongLong: |
| 3907 | case clang::BuiltinType::UInt128: |
| 3908 | case clang::BuiltinType::Char_S: |
| 3909 | case clang::BuiltinType::SChar: |
| 3910 | case clang::BuiltinType::WChar_S: |
| 3911 | case clang::BuiltinType::Short: |
| 3912 | case clang::BuiltinType::Int: |
| 3913 | case clang::BuiltinType::Long: |
| 3914 | case clang::BuiltinType::LongLong: |
| 3915 | case clang::BuiltinType::Int128: |
| 3916 | case clang::BuiltinType::Float: |
| 3917 | case clang::BuiltinType::Double: |
| 3918 | case clang::BuiltinType::LongDouble: |
| 3919 | builtin_type_flags |= eTypeIsScalar; |
| 3920 | if (builtin_type->isInteger()) { |
| 3921 | builtin_type_flags |= eTypeIsInteger; |
| 3922 | if (builtin_type->isSignedInteger()) |
| 3923 | builtin_type_flags |= eTypeIsSigned; |
| 3924 | } else if (builtin_type->isFloatingPoint()) |
| 3925 | builtin_type_flags |= eTypeIsFloat; |
| 3926 | break; |
| 3927 | default: |
| 3928 | break; |
| 3929 | } |
| 3930 | return builtin_type_flags; |
| 3931 | } |
| 3932 | |
| 3933 | case clang::Type::BlockPointer: |
| 3934 | if (pointee_or_element_clang_type) |
| 3935 | pointee_or_element_clang_type->SetCompilerType( |
| 3936 | weak_from_this(), qual_type->getPointeeType().getAsOpaquePtr()); |
| 3937 | return eTypeIsPointer | eTypeHasChildren | eTypeIsBlock; |
| 3938 | |
| 3939 | case clang::Type::Complex: { |
| 3940 | uint32_t complex_type_flags = |
| 3941 | eTypeIsBuiltIn | eTypeHasValue | eTypeIsComplex; |
| 3942 | const clang::ComplexType *complex_type = llvm::dyn_cast<clang::ComplexType>( |
| 3943 | qual_type->getCanonicalTypeInternal()); |
| 3944 | if (complex_type) { |
| 3945 | clang::QualType complex_element_type(complex_type->getElementType()); |
| 3946 | if (complex_element_type->isIntegerType()) |
| 3947 | complex_type_flags |= eTypeIsFloat; |
| 3948 | else if (complex_element_type->isFloatingType()) |
| 3949 | complex_type_flags |= eTypeIsInteger; |
| 3950 | } |
| 3951 | return complex_type_flags; |
| 3952 | } break; |
| 3953 | |
| 3954 | case clang::Type::ConstantArray: |
| 3955 | case clang::Type::DependentSizedArray: |
| 3956 | case clang::Type::IncompleteArray: |
| 3957 | case clang::Type::VariableArray: |
| 3958 | if (pointee_or_element_clang_type) |
| 3959 | pointee_or_element_clang_type->SetCompilerType( |
| 3960 | weak_from_this(), llvm::cast<clang::ArrayType>(qual_type.getTypePtr()) |
| 3961 | ->getElementType() |
| 3962 | .getAsOpaquePtr()); |
| 3963 | return eTypeHasChildren | eTypeIsArray; |
| 3964 | |
| 3965 | case clang::Type::DependentName: |
| 3966 | return 0; |
| 3967 | case clang::Type::DependentSizedExtVector: |
| 3968 | return eTypeHasChildren | eTypeIsVector; |
| 3969 | case clang::Type::DependentTemplateSpecialization: |
| 3970 | return eTypeIsTemplate; |
| 3971 | |
| 3972 | case clang::Type::Enum: |
| 3973 | if (pointee_or_element_clang_type) |
| 3974 | pointee_or_element_clang_type->SetCompilerType( |
| 3975 | weak_from_this(), llvm::cast<clang::EnumType>(qual_type) |
| 3976 | ->getDecl() |
| 3977 | ->getIntegerType() |
| 3978 | .getAsOpaquePtr()); |
| 3979 | return eTypeIsEnumeration | eTypeHasValue; |
| 3980 | |
| 3981 | case clang::Type::FunctionProto: |
| 3982 | return eTypeIsFuncPrototype | eTypeHasValue; |
| 3983 | case clang::Type::FunctionNoProto: |
| 3984 | return eTypeIsFuncPrototype | eTypeHasValue; |
| 3985 | case clang::Type::InjectedClassName: |
| 3986 | return 0; |
| 3987 | |
| 3988 | case clang::Type::LValueReference: |
| 3989 | case clang::Type::RValueReference: |
| 3990 | if (pointee_or_element_clang_type) |
| 3991 | pointee_or_element_clang_type->SetCompilerType( |
| 3992 | weak_from_this(), |
| 3993 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()) |
| 3994 | ->getPointeeType() |
| 3995 | .getAsOpaquePtr()); |
| 3996 | return eTypeHasChildren | eTypeIsReference | eTypeHasValue; |
| 3997 | |
| 3998 | case clang::Type::MemberPointer: |
| 3999 | return eTypeIsPointer | eTypeIsMember | eTypeHasValue; |
| 4000 | |
| 4001 | case clang::Type::ObjCObjectPointer: |
| 4002 | if (pointee_or_element_clang_type) |
| 4003 | pointee_or_element_clang_type->SetCompilerType( |
| 4004 | weak_from_this(), qual_type->getPointeeType().getAsOpaquePtr()); |
| 4005 | return eTypeHasChildren | eTypeIsObjC | eTypeIsClass | eTypeIsPointer | |
| 4006 | eTypeHasValue; |
| 4007 | |
| 4008 | case clang::Type::ObjCObject: |
| 4009 | return eTypeHasChildren | eTypeIsObjC | eTypeIsClass; |
| 4010 | case clang::Type::ObjCInterface: |
| 4011 | return eTypeHasChildren | eTypeIsObjC | eTypeIsClass; |
| 4012 | |
| 4013 | case clang::Type::Pointer: |
| 4014 | if (pointee_or_element_clang_type) |
| 4015 | pointee_or_element_clang_type->SetCompilerType( |
| 4016 | weak_from_this(), qual_type->getPointeeType().getAsOpaquePtr()); |
| 4017 | return eTypeHasChildren | eTypeIsPointer | eTypeHasValue; |
| 4018 | |
| 4019 | case clang::Type::Record: |
| 4020 | if (qual_type->getAsCXXRecordDecl()) |
| 4021 | return eTypeHasChildren | eTypeIsClass | eTypeIsCPlusPlus; |
| 4022 | else |
| 4023 | return eTypeHasChildren | eTypeIsStructUnion; |
| 4024 | break; |
| 4025 | case clang::Type::SubstTemplateTypeParm: |
| 4026 | return eTypeIsTemplate; |
| 4027 | case clang::Type::TemplateTypeParm: |
| 4028 | return eTypeIsTemplate; |
| 4029 | case clang::Type::TemplateSpecialization: |
| 4030 | return eTypeIsTemplate; |
| 4031 | |
| 4032 | case clang::Type::Typedef: |
| 4033 | return eTypeIsTypedef | GetType(llvm::cast<clang::TypedefType>(qual_type) |
| 4034 | ->getDecl() |
| 4035 | ->getUnderlyingType()) |
| 4036 | .GetTypeInfo(pointee_or_element_clang_type); |
| 4037 | case clang::Type::UnresolvedUsing: |
| 4038 | return 0; |
| 4039 | |
| 4040 | case clang::Type::ExtVector: |
| 4041 | case clang::Type::Vector: { |
| 4042 | uint32_t vector_type_flags = eTypeHasChildren | eTypeIsVector; |
| 4043 | const clang::VectorType *vector_type = llvm::dyn_cast<clang::VectorType>( |
| 4044 | qual_type->getCanonicalTypeInternal()); |
| 4045 | if (vector_type) { |
| 4046 | if (vector_type->isIntegerType()) |
| 4047 | vector_type_flags |= eTypeIsFloat; |
| 4048 | else if (vector_type->isFloatingType()) |
| 4049 | vector_type_flags |= eTypeIsInteger; |
| 4050 | } |
| 4051 | return vector_type_flags; |
| 4052 | } |
| 4053 | default: |
| 4054 | return 0; |
| 4055 | } |
| 4056 | return 0; |
| 4057 | } |
| 4058 | |
| 4059 | lldb::LanguageType |
| 4060 | TypeSystemClang::GetMinimumLanguage(lldb::opaque_compiler_type_t type) { |
| 4061 | if (!type) |
| 4062 | return lldb::eLanguageTypeC; |
| 4063 | |
| 4064 | // If the type is a reference, then resolve it to what it refers to first: |
| 4065 | clang::QualType qual_type(GetCanonicalQualType(type).getNonReferenceType()); |
| 4066 | if (qual_type->isAnyPointerType()) { |
| 4067 | if (qual_type->isObjCObjectPointerType()) |
| 4068 | return lldb::eLanguageTypeObjC; |
| 4069 | if (qual_type->getPointeeCXXRecordDecl()) |
| 4070 | return lldb::eLanguageTypeC_plus_plus; |
| 4071 | |
| 4072 | clang::QualType pointee_type(qual_type->getPointeeType()); |
| 4073 | if (pointee_type->getPointeeCXXRecordDecl()) |
| 4074 | return lldb::eLanguageTypeC_plus_plus; |
| 4075 | if (pointee_type->isObjCObjectOrInterfaceType()) |
| 4076 | return lldb::eLanguageTypeObjC; |
| 4077 | if (pointee_type->isObjCClassType()) |
| 4078 | return lldb::eLanguageTypeObjC; |
| 4079 | if (pointee_type.getTypePtr() == |
| 4080 | getASTContext().ObjCBuiltinIdTy.getTypePtr()) |
| 4081 | return lldb::eLanguageTypeObjC; |
| 4082 | } else { |
| 4083 | if (qual_type->isObjCObjectOrInterfaceType()) |
| 4084 | return lldb::eLanguageTypeObjC; |
| 4085 | if (qual_type->getAsCXXRecordDecl()) |
| 4086 | return lldb::eLanguageTypeC_plus_plus; |
| 4087 | switch (qual_type->getTypeClass()) { |
| 4088 | default: |
| 4089 | break; |
| 4090 | case clang::Type::Builtin: |
| 4091 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 4092 | default: |
| 4093 | case clang::BuiltinType::Void: |
| 4094 | case clang::BuiltinType::Bool: |
| 4095 | case clang::BuiltinType::Char_U: |
| 4096 | case clang::BuiltinType::UChar: |
| 4097 | case clang::BuiltinType::WChar_U: |
| 4098 | case clang::BuiltinType::Char16: |
| 4099 | case clang::BuiltinType::Char32: |
| 4100 | case clang::BuiltinType::UShort: |
| 4101 | case clang::BuiltinType::UInt: |
| 4102 | case clang::BuiltinType::ULong: |
| 4103 | case clang::BuiltinType::ULongLong: |
| 4104 | case clang::BuiltinType::UInt128: |
| 4105 | case clang::BuiltinType::Char_S: |
| 4106 | case clang::BuiltinType::SChar: |
| 4107 | case clang::BuiltinType::WChar_S: |
| 4108 | case clang::BuiltinType::Short: |
| 4109 | case clang::BuiltinType::Int: |
| 4110 | case clang::BuiltinType::Long: |
| 4111 | case clang::BuiltinType::LongLong: |
| 4112 | case clang::BuiltinType::Int128: |
| 4113 | case clang::BuiltinType::Float: |
| 4114 | case clang::BuiltinType::Double: |
| 4115 | case clang::BuiltinType::LongDouble: |
| 4116 | break; |
| 4117 | |
| 4118 | case clang::BuiltinType::NullPtr: |
| 4119 | return eLanguageTypeC_plus_plus; |
| 4120 | |
| 4121 | case clang::BuiltinType::ObjCId: |
| 4122 | case clang::BuiltinType::ObjCClass: |
| 4123 | case clang::BuiltinType::ObjCSel: |
| 4124 | return eLanguageTypeObjC; |
| 4125 | |
| 4126 | case clang::BuiltinType::Dependent: |
| 4127 | case clang::BuiltinType::Overload: |
| 4128 | case clang::BuiltinType::BoundMember: |
| 4129 | case clang::BuiltinType::UnknownAny: |
| 4130 | break; |
| 4131 | } |
| 4132 | break; |
| 4133 | case clang::Type::Typedef: |
| 4134 | return GetType(llvm::cast<clang::TypedefType>(qual_type) |
| 4135 | ->getDecl() |
| 4136 | ->getUnderlyingType()) |
| 4137 | .GetMinimumLanguage(); |
| 4138 | } |
| 4139 | } |
| 4140 | return lldb::eLanguageTypeC; |
| 4141 | } |
| 4142 | |
| 4143 | lldb::TypeClass |
| 4144 | TypeSystemClang::GetTypeClass(lldb::opaque_compiler_type_t type) { |
| 4145 | if (!type) |
| 4146 | return lldb::eTypeClassInvalid; |
| 4147 | |
| 4148 | clang::QualType qual_type = |
| 4149 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}); |
| 4150 | |
| 4151 | switch (qual_type->getTypeClass()) { |
| 4152 | case clang::Type::Atomic: |
| 4153 | case clang::Type::Auto: |
| 4154 | case clang::Type::Decltype: |
| 4155 | case clang::Type::Elaborated: |
| 4156 | case clang::Type::Paren: |
| 4157 | case clang::Type::TypeOf: |
| 4158 | case clang::Type::TypeOfExpr: |
| 4159 | case clang::Type::Using: |
| 4160 | llvm_unreachable("Handled in RemoveWrappingTypes!")::llvm::llvm_unreachable_internal("Handled in RemoveWrappingTypes!" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 4160); |
| 4161 | case clang::Type::UnaryTransform: |
| 4162 | break; |
| 4163 | case clang::Type::FunctionNoProto: |
| 4164 | return lldb::eTypeClassFunction; |
| 4165 | case clang::Type::FunctionProto: |
| 4166 | return lldb::eTypeClassFunction; |
| 4167 | case clang::Type::IncompleteArray: |
| 4168 | return lldb::eTypeClassArray; |
| 4169 | case clang::Type::VariableArray: |
| 4170 | return lldb::eTypeClassArray; |
| 4171 | case clang::Type::ConstantArray: |
| 4172 | return lldb::eTypeClassArray; |
| 4173 | case clang::Type::DependentSizedArray: |
| 4174 | return lldb::eTypeClassArray; |
| 4175 | case clang::Type::DependentSizedExtVector: |
| 4176 | return lldb::eTypeClassVector; |
| 4177 | case clang::Type::DependentVector: |
| 4178 | return lldb::eTypeClassVector; |
| 4179 | case clang::Type::ExtVector: |
| 4180 | return lldb::eTypeClassVector; |
| 4181 | case clang::Type::Vector: |
| 4182 | return lldb::eTypeClassVector; |
| 4183 | case clang::Type::Builtin: |
| 4184 | // Ext-Int is just an integer type. |
| 4185 | case clang::Type::BitInt: |
| 4186 | case clang::Type::DependentBitInt: |
| 4187 | return lldb::eTypeClassBuiltin; |
| 4188 | case clang::Type::ObjCObjectPointer: |
| 4189 | return lldb::eTypeClassObjCObjectPointer; |
| 4190 | case clang::Type::BlockPointer: |
| 4191 | return lldb::eTypeClassBlockPointer; |
| 4192 | case clang::Type::Pointer: |
| 4193 | return lldb::eTypeClassPointer; |
| 4194 | case clang::Type::LValueReference: |
| 4195 | return lldb::eTypeClassReference; |
| 4196 | case clang::Type::RValueReference: |
| 4197 | return lldb::eTypeClassReference; |
| 4198 | case clang::Type::MemberPointer: |
| 4199 | return lldb::eTypeClassMemberPointer; |
| 4200 | case clang::Type::Complex: |
| 4201 | if (qual_type->isComplexType()) |
| 4202 | return lldb::eTypeClassComplexFloat; |
| 4203 | else |
| 4204 | return lldb::eTypeClassComplexInteger; |
| 4205 | case clang::Type::ObjCObject: |
| 4206 | return lldb::eTypeClassObjCObject; |
| 4207 | case clang::Type::ObjCInterface: |
| 4208 | return lldb::eTypeClassObjCInterface; |
| 4209 | case clang::Type::Record: { |
| 4210 | const clang::RecordType *record_type = |
| 4211 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 4212 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 4213 | if (record_decl->isUnion()) |
| 4214 | return lldb::eTypeClassUnion; |
| 4215 | else if (record_decl->isStruct()) |
| 4216 | return lldb::eTypeClassStruct; |
| 4217 | else |
| 4218 | return lldb::eTypeClassClass; |
| 4219 | } break; |
| 4220 | case clang::Type::Enum: |
| 4221 | return lldb::eTypeClassEnumeration; |
| 4222 | case clang::Type::Typedef: |
| 4223 | return lldb::eTypeClassTypedef; |
| 4224 | case clang::Type::UnresolvedUsing: |
| 4225 | break; |
| 4226 | |
| 4227 | case clang::Type::Attributed: |
| 4228 | case clang::Type::BTFTagAttributed: |
| 4229 | break; |
| 4230 | case clang::Type::TemplateTypeParm: |
| 4231 | break; |
| 4232 | case clang::Type::SubstTemplateTypeParm: |
| 4233 | break; |
| 4234 | case clang::Type::SubstTemplateTypeParmPack: |
| 4235 | break; |
| 4236 | case clang::Type::InjectedClassName: |
| 4237 | break; |
| 4238 | case clang::Type::DependentName: |
| 4239 | break; |
| 4240 | case clang::Type::DependentTemplateSpecialization: |
| 4241 | break; |
| 4242 | case clang::Type::PackExpansion: |
| 4243 | break; |
| 4244 | |
| 4245 | case clang::Type::TemplateSpecialization: |
| 4246 | break; |
| 4247 | case clang::Type::DeducedTemplateSpecialization: |
| 4248 | break; |
| 4249 | case clang::Type::Pipe: |
| 4250 | break; |
| 4251 | |
| 4252 | // pointer type decayed from an array or function type. |
| 4253 | case clang::Type::Decayed: |
| 4254 | break; |
| 4255 | case clang::Type::Adjusted: |
| 4256 | break; |
| 4257 | case clang::Type::ObjCTypeParam: |
| 4258 | break; |
| 4259 | |
| 4260 | case clang::Type::DependentAddressSpace: |
| 4261 | break; |
| 4262 | case clang::Type::MacroQualified: |
| 4263 | break; |
| 4264 | |
| 4265 | // Matrix types that we're not sure how to display at the moment. |
| 4266 | case clang::Type::ConstantMatrix: |
| 4267 | case clang::Type::DependentSizedMatrix: |
| 4268 | break; |
| 4269 | } |
| 4270 | // We don't know hot to display this type... |
| 4271 | return lldb::eTypeClassOther; |
| 4272 | } |
| 4273 | |
| 4274 | unsigned TypeSystemClang::GetTypeQualifiers(lldb::opaque_compiler_type_t type) { |
| 4275 | if (type) |
| 4276 | return GetQualType(type).getQualifiers().getCVRQualifiers(); |
| 4277 | return 0; |
| 4278 | } |
| 4279 | |
| 4280 | // Creating related types |
| 4281 | |
| 4282 | CompilerType |
| 4283 | TypeSystemClang::GetArrayElementType(lldb::opaque_compiler_type_t type, |
| 4284 | ExecutionContextScope *exe_scope) { |
| 4285 | if (type) { |
| 4286 | clang::QualType qual_type(GetQualType(type)); |
| 4287 | |
| 4288 | const clang::Type *array_eletype = |
| 4289 | qual_type.getTypePtr()->getArrayElementTypeNoTypeQual(); |
| 4290 | |
| 4291 | if (!array_eletype) |
| 4292 | return CompilerType(); |
| 4293 | |
| 4294 | return GetType(clang::QualType(array_eletype, 0)); |
| 4295 | } |
| 4296 | return CompilerType(); |
| 4297 | } |
| 4298 | |
| 4299 | CompilerType TypeSystemClang::GetArrayType(lldb::opaque_compiler_type_t type, |
| 4300 | uint64_t size) { |
| 4301 | if (type) { |
| 4302 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 4303 | clang::ASTContext &ast_ctx = getASTContext(); |
| 4304 | if (size != 0) |
| 4305 | return GetType(ast_ctx.getConstantArrayType( |
| 4306 | qual_type, llvm::APInt(64, size), nullptr, |
| 4307 | clang::ArrayType::ArraySizeModifier::Normal, 0)); |
| 4308 | else |
| 4309 | return GetType(ast_ctx.getIncompleteArrayType( |
| 4310 | qual_type, clang::ArrayType::ArraySizeModifier::Normal, 0)); |
| 4311 | } |
| 4312 | |
| 4313 | return CompilerType(); |
| 4314 | } |
| 4315 | |
| 4316 | CompilerType |
| 4317 | TypeSystemClang::GetCanonicalType(lldb::opaque_compiler_type_t type) { |
| 4318 | if (type) |
| 4319 | return GetType(GetCanonicalQualType(type)); |
| 4320 | return CompilerType(); |
| 4321 | } |
| 4322 | |
| 4323 | static clang::QualType GetFullyUnqualifiedType_Impl(clang::ASTContext *ast, |
| 4324 | clang::QualType qual_type) { |
| 4325 | if (qual_type->isPointerType()) |
| 4326 | qual_type = ast->getPointerType( |
| 4327 | GetFullyUnqualifiedType_Impl(ast, qual_type->getPointeeType())); |
| 4328 | else if (const ConstantArrayType *arr = |
| 4329 | ast->getAsConstantArrayType(qual_type)) { |
| 4330 | qual_type = ast->getConstantArrayType( |
| 4331 | GetFullyUnqualifiedType_Impl(ast, arr->getElementType()), |
| 4332 | arr->getSize(), arr->getSizeExpr(), arr->getSizeModifier(), |
| 4333 | arr->getIndexTypeQualifiers().getAsOpaqueValue()); |
| 4334 | } else |
| 4335 | qual_type = qual_type.getUnqualifiedType(); |
| 4336 | qual_type.removeLocalConst(); |
| 4337 | qual_type.removeLocalRestrict(); |
| 4338 | qual_type.removeLocalVolatile(); |
| 4339 | return qual_type; |
| 4340 | } |
| 4341 | |
| 4342 | CompilerType |
| 4343 | TypeSystemClang::GetFullyUnqualifiedType(lldb::opaque_compiler_type_t type) { |
| 4344 | if (type) |
| 4345 | return GetType( |
| 4346 | GetFullyUnqualifiedType_Impl(&getASTContext(), GetQualType(type))); |
| 4347 | return CompilerType(); |
| 4348 | } |
| 4349 | |
| 4350 | CompilerType |
| 4351 | TypeSystemClang::GetEnumerationIntegerType(lldb::opaque_compiler_type_t type) { |
| 4352 | if (type) |
| 4353 | return GetEnumerationIntegerType(GetType(GetCanonicalQualType(type))); |
| 4354 | return CompilerType(); |
| 4355 | } |
| 4356 | |
| 4357 | int TypeSystemClang::GetFunctionArgumentCount( |
| 4358 | lldb::opaque_compiler_type_t type) { |
| 4359 | if (type) { |
| 4360 | const clang::FunctionProtoType *func = |
| 4361 | llvm::dyn_cast<clang::FunctionProtoType>(GetCanonicalQualType(type)); |
| 4362 | if (func) |
| 4363 | return func->getNumParams(); |
| 4364 | } |
| 4365 | return -1; |
| 4366 | } |
| 4367 | |
| 4368 | CompilerType TypeSystemClang::GetFunctionArgumentTypeAtIndex( |
| 4369 | lldb::opaque_compiler_type_t type, size_t idx) { |
| 4370 | if (type) { |
| 4371 | const clang::FunctionProtoType *func = |
| 4372 | llvm::dyn_cast<clang::FunctionProtoType>(GetQualType(type)); |
| 4373 | if (func) { |
| 4374 | const uint32_t num_args = func->getNumParams(); |
| 4375 | if (idx < num_args) |
| 4376 | return GetType(func->getParamType(idx)); |
| 4377 | } |
| 4378 | } |
| 4379 | return CompilerType(); |
| 4380 | } |
| 4381 | |
| 4382 | CompilerType |
| 4383 | TypeSystemClang::GetFunctionReturnType(lldb::opaque_compiler_type_t type) { |
| 4384 | if (type) { |
| 4385 | clang::QualType qual_type(GetQualType(type)); |
| 4386 | const clang::FunctionProtoType *func = |
| 4387 | llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); |
| 4388 | if (func) |
| 4389 | return GetType(func->getReturnType()); |
| 4390 | } |
| 4391 | return CompilerType(); |
| 4392 | } |
| 4393 | |
| 4394 | size_t |
| 4395 | TypeSystemClang::GetNumMemberFunctions(lldb::opaque_compiler_type_t type) { |
| 4396 | size_t num_functions = 0; |
| 4397 | if (type) { |
| 4398 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 4399 | switch (qual_type->getTypeClass()) { |
| 4400 | case clang::Type::Record: |
| 4401 | if (GetCompleteQualType(&getASTContext(), qual_type)) { |
| 4402 | const clang::RecordType *record_type = |
| 4403 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 4404 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 4405 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 4405, __extension__ __PRETTY_FUNCTION__)); |
| 4406 | const clang::CXXRecordDecl *cxx_record_decl = |
| 4407 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 4408 | if (cxx_record_decl) |
| 4409 | num_functions = std::distance(cxx_record_decl->method_begin(), |
| 4410 | cxx_record_decl->method_end()); |
| 4411 | } |
| 4412 | break; |
| 4413 | |
| 4414 | case clang::Type::ObjCObjectPointer: { |
| 4415 | const clang::ObjCObjectPointerType *objc_class_type = |
| 4416 | qual_type->castAs<clang::ObjCObjectPointerType>(); |
| 4417 | const clang::ObjCInterfaceType *objc_interface_type = |
| 4418 | objc_class_type->getInterfaceType(); |
| 4419 | if (objc_interface_type && |
| 4420 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( |
| 4421 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { |
| 4422 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 4423 | objc_interface_type->getDecl(); |
| 4424 | if (class_interface_decl) { |
| 4425 | num_functions = std::distance(class_interface_decl->meth_begin(), |
| 4426 | class_interface_decl->meth_end()); |
| 4427 | } |
| 4428 | } |
| 4429 | break; |
| 4430 | } |
| 4431 | |
| 4432 | case clang::Type::ObjCObject: |
| 4433 | case clang::Type::ObjCInterface: |
| 4434 | if (GetCompleteType(type)) { |
| 4435 | const clang::ObjCObjectType *objc_class_type = |
| 4436 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 4437 | if (objc_class_type) { |
| 4438 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 4439 | objc_class_type->getInterface(); |
| 4440 | if (class_interface_decl) |
| 4441 | num_functions = std::distance(class_interface_decl->meth_begin(), |
| 4442 | class_interface_decl->meth_end()); |
| 4443 | } |
| 4444 | } |
| 4445 | break; |
| 4446 | |
| 4447 | default: |
| 4448 | break; |
| 4449 | } |
| 4450 | } |
| 4451 | return num_functions; |
| 4452 | } |
| 4453 | |
| 4454 | TypeMemberFunctionImpl |
| 4455 | TypeSystemClang::GetMemberFunctionAtIndex(lldb::opaque_compiler_type_t type, |
| 4456 | size_t idx) { |
| 4457 | std::string name; |
| 4458 | MemberFunctionKind kind(MemberFunctionKind::eMemberFunctionKindUnknown); |
| 4459 | CompilerType clang_type; |
| 4460 | CompilerDecl clang_decl; |
| 4461 | if (type) { |
| 4462 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 4463 | switch (qual_type->getTypeClass()) { |
| 4464 | case clang::Type::Record: |
| 4465 | if (GetCompleteQualType(&getASTContext(), qual_type)) { |
| 4466 | const clang::RecordType *record_type = |
| 4467 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 4468 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 4469 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 4469, __extension__ __PRETTY_FUNCTION__)); |
| 4470 | const clang::CXXRecordDecl *cxx_record_decl = |
| 4471 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 4472 | if (cxx_record_decl) { |
| 4473 | auto method_iter = cxx_record_decl->method_begin(); |
| 4474 | auto method_end = cxx_record_decl->method_end(); |
| 4475 | if (idx < |
| 4476 | static_cast<size_t>(std::distance(method_iter, method_end))) { |
| 4477 | std::advance(method_iter, idx); |
| 4478 | clang::CXXMethodDecl *cxx_method_decl = |
| 4479 | method_iter->getCanonicalDecl(); |
| 4480 | if (cxx_method_decl) { |
| 4481 | name = cxx_method_decl->getDeclName().getAsString(); |
| 4482 | if (cxx_method_decl->isStatic()) |
| 4483 | kind = lldb::eMemberFunctionKindStaticMethod; |
| 4484 | else if (llvm::isa<clang::CXXConstructorDecl>(cxx_method_decl)) |
| 4485 | kind = lldb::eMemberFunctionKindConstructor; |
| 4486 | else if (llvm::isa<clang::CXXDestructorDecl>(cxx_method_decl)) |
| 4487 | kind = lldb::eMemberFunctionKindDestructor; |
| 4488 | else |
| 4489 | kind = lldb::eMemberFunctionKindInstanceMethod; |
| 4490 | clang_type = GetType(cxx_method_decl->getType()); |
| 4491 | clang_decl = GetCompilerDecl(cxx_method_decl); |
| 4492 | } |
| 4493 | } |
| 4494 | } |
| 4495 | } |
| 4496 | break; |
| 4497 | |
| 4498 | case clang::Type::ObjCObjectPointer: { |
| 4499 | const clang::ObjCObjectPointerType *objc_class_type = |
| 4500 | qual_type->castAs<clang::ObjCObjectPointerType>(); |
| 4501 | const clang::ObjCInterfaceType *objc_interface_type = |
| 4502 | objc_class_type->getInterfaceType(); |
| 4503 | if (objc_interface_type && |
| 4504 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( |
| 4505 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { |
| 4506 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 4507 | objc_interface_type->getDecl(); |
| 4508 | if (class_interface_decl) { |
| 4509 | auto method_iter = class_interface_decl->meth_begin(); |
| 4510 | auto method_end = class_interface_decl->meth_end(); |
| 4511 | if (idx < |
| 4512 | static_cast<size_t>(std::distance(method_iter, method_end))) { |
| 4513 | std::advance(method_iter, idx); |
| 4514 | clang::ObjCMethodDecl *objc_method_decl = |
| 4515 | method_iter->getCanonicalDecl(); |
| 4516 | if (objc_method_decl) { |
| 4517 | clang_decl = GetCompilerDecl(objc_method_decl); |
| 4518 | name = objc_method_decl->getSelector().getAsString(); |
| 4519 | if (objc_method_decl->isClassMethod()) |
| 4520 | kind = lldb::eMemberFunctionKindStaticMethod; |
| 4521 | else |
| 4522 | kind = lldb::eMemberFunctionKindInstanceMethod; |
| 4523 | } |
| 4524 | } |
| 4525 | } |
| 4526 | } |
| 4527 | break; |
| 4528 | } |
| 4529 | |
| 4530 | case clang::Type::ObjCObject: |
| 4531 | case clang::Type::ObjCInterface: |
| 4532 | if (GetCompleteType(type)) { |
| 4533 | const clang::ObjCObjectType *objc_class_type = |
| 4534 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 4535 | if (objc_class_type) { |
| 4536 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 4537 | objc_class_type->getInterface(); |
| 4538 | if (class_interface_decl) { |
| 4539 | auto method_iter = class_interface_decl->meth_begin(); |
| 4540 | auto method_end = class_interface_decl->meth_end(); |
| 4541 | if (idx < |
| 4542 | static_cast<size_t>(std::distance(method_iter, method_end))) { |
| 4543 | std::advance(method_iter, idx); |
| 4544 | clang::ObjCMethodDecl *objc_method_decl = |
| 4545 | method_iter->getCanonicalDecl(); |
| 4546 | if (objc_method_decl) { |
| 4547 | clang_decl = GetCompilerDecl(objc_method_decl); |
| 4548 | name = objc_method_decl->getSelector().getAsString(); |
| 4549 | if (objc_method_decl->isClassMethod()) |
| 4550 | kind = lldb::eMemberFunctionKindStaticMethod; |
| 4551 | else |
| 4552 | kind = lldb::eMemberFunctionKindInstanceMethod; |
| 4553 | } |
| 4554 | } |
| 4555 | } |
| 4556 | } |
| 4557 | } |
| 4558 | break; |
| 4559 | |
| 4560 | default: |
| 4561 | break; |
| 4562 | } |
| 4563 | } |
| 4564 | |
| 4565 | if (kind == eMemberFunctionKindUnknown) |
| 4566 | return TypeMemberFunctionImpl(); |
| 4567 | else |
| 4568 | return TypeMemberFunctionImpl(clang_type, clang_decl, name, kind); |
| 4569 | } |
| 4570 | |
| 4571 | CompilerType |
| 4572 | TypeSystemClang::GetNonReferenceType(lldb::opaque_compiler_type_t type) { |
| 4573 | if (type) |
| 4574 | return GetType(GetQualType(type).getNonReferenceType()); |
| 4575 | return CompilerType(); |
| 4576 | } |
| 4577 | |
| 4578 | CompilerType |
| 4579 | TypeSystemClang::GetPointeeType(lldb::opaque_compiler_type_t type) { |
| 4580 | if (type) { |
| 4581 | clang::QualType qual_type(GetQualType(type)); |
| 4582 | return GetType(qual_type.getTypePtr()->getPointeeType()); |
| 4583 | } |
| 4584 | return CompilerType(); |
| 4585 | } |
| 4586 | |
| 4587 | CompilerType |
| 4588 | TypeSystemClang::GetPointerType(lldb::opaque_compiler_type_t type) { |
| 4589 | if (type) { |
| 4590 | clang::QualType qual_type(GetQualType(type)); |
| 4591 | |
| 4592 | switch (qual_type.getDesugaredType(getASTContext())->getTypeClass()) { |
| 4593 | case clang::Type::ObjCObject: |
| 4594 | case clang::Type::ObjCInterface: |
| 4595 | return GetType(getASTContext().getObjCObjectPointerType(qual_type)); |
| 4596 | |
| 4597 | default: |
| 4598 | return GetType(getASTContext().getPointerType(qual_type)); |
| 4599 | } |
| 4600 | } |
| 4601 | return CompilerType(); |
| 4602 | } |
| 4603 | |
| 4604 | CompilerType |
| 4605 | TypeSystemClang::GetLValueReferenceType(lldb::opaque_compiler_type_t type) { |
| 4606 | if (type) |
| 4607 | return GetType(getASTContext().getLValueReferenceType(GetQualType(type))); |
| 4608 | else |
| 4609 | return CompilerType(); |
| 4610 | } |
| 4611 | |
| 4612 | CompilerType |
| 4613 | TypeSystemClang::GetRValueReferenceType(lldb::opaque_compiler_type_t type) { |
| 4614 | if (type) |
| 4615 | return GetType(getASTContext().getRValueReferenceType(GetQualType(type))); |
| 4616 | else |
| 4617 | return CompilerType(); |
| 4618 | } |
| 4619 | |
| 4620 | CompilerType TypeSystemClang::GetAtomicType(lldb::opaque_compiler_type_t type) { |
| 4621 | if (!type) |
| 4622 | return CompilerType(); |
| 4623 | return GetType(getASTContext().getAtomicType(GetQualType(type))); |
| 4624 | } |
| 4625 | |
| 4626 | CompilerType |
| 4627 | TypeSystemClang::AddConstModifier(lldb::opaque_compiler_type_t type) { |
| 4628 | if (type) { |
| 4629 | clang::QualType result(GetQualType(type)); |
| 4630 | result.addConst(); |
| 4631 | return GetType(result); |
| 4632 | } |
| 4633 | return CompilerType(); |
| 4634 | } |
| 4635 | |
| 4636 | CompilerType |
| 4637 | TypeSystemClang::AddVolatileModifier(lldb::opaque_compiler_type_t type) { |
| 4638 | if (type) { |
| 4639 | clang::QualType result(GetQualType(type)); |
| 4640 | result.addVolatile(); |
| 4641 | return GetType(result); |
| 4642 | } |
| 4643 | return CompilerType(); |
| 4644 | } |
| 4645 | |
| 4646 | CompilerType |
| 4647 | TypeSystemClang::AddRestrictModifier(lldb::opaque_compiler_type_t type) { |
| 4648 | if (type) { |
| 4649 | clang::QualType result(GetQualType(type)); |
| 4650 | result.addRestrict(); |
| 4651 | return GetType(result); |
| 4652 | } |
| 4653 | return CompilerType(); |
| 4654 | } |
| 4655 | |
| 4656 | CompilerType TypeSystemClang::CreateTypedef( |
| 4657 | lldb::opaque_compiler_type_t type, const char *typedef_name, |
| 4658 | const CompilerDeclContext &compiler_decl_ctx, uint32_t payload) { |
| 4659 | if (type && typedef_name && typedef_name[0]) { |
| 4660 | clang::ASTContext &clang_ast = getASTContext(); |
| 4661 | clang::QualType qual_type(GetQualType(type)); |
| 4662 | |
| 4663 | clang::DeclContext *decl_ctx = |
| 4664 | TypeSystemClang::DeclContextGetAsDeclContext(compiler_decl_ctx); |
| 4665 | if (!decl_ctx) |
| 4666 | decl_ctx = getASTContext().getTranslationUnitDecl(); |
| 4667 | |
| 4668 | clang::TypedefDecl *decl = |
| 4669 | clang::TypedefDecl::CreateDeserialized(clang_ast, 0); |
| 4670 | decl->setDeclContext(decl_ctx); |
| 4671 | decl->setDeclName(&clang_ast.Idents.get(typedef_name)); |
| 4672 | decl->setTypeSourceInfo(clang_ast.getTrivialTypeSourceInfo(qual_type)); |
| 4673 | decl_ctx->addDecl(decl); |
| 4674 | SetOwningModule(decl, TypePayloadClang(payload).GetOwningModule()); |
| 4675 | |
| 4676 | clang::TagDecl *tdecl = nullptr; |
| 4677 | if (!qual_type.isNull()) { |
| 4678 | if (const clang::RecordType *rt = qual_type->getAs<clang::RecordType>()) |
| 4679 | tdecl = rt->getDecl(); |
| 4680 | if (const clang::EnumType *et = qual_type->getAs<clang::EnumType>()) |
| 4681 | tdecl = et->getDecl(); |
| 4682 | } |
| 4683 | |
| 4684 | // Check whether this declaration is an anonymous struct, union, or enum, |
| 4685 | // hidden behind a typedef. If so, we try to check whether we have a |
| 4686 | // typedef tag to attach to the original record declaration |
| 4687 | if (tdecl && !tdecl->getIdentifier() && !tdecl->getTypedefNameForAnonDecl()) |
| 4688 | tdecl->setTypedefNameForAnonDecl(decl); |
| 4689 | |
| 4690 | decl->setAccess(clang::AS_public); // TODO respect proper access specifier |
| 4691 | |
| 4692 | // Get a uniqued clang::QualType for the typedef decl type |
| 4693 | return GetType(clang_ast.getTypedefType(decl)); |
| 4694 | } |
| 4695 | return CompilerType(); |
| 4696 | } |
| 4697 | |
| 4698 | CompilerType |
| 4699 | TypeSystemClang::GetTypedefedType(lldb::opaque_compiler_type_t type) { |
| 4700 | if (type) { |
| 4701 | const clang::TypedefType *typedef_type = llvm::dyn_cast<clang::TypedefType>( |
| 4702 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef})); |
| 4703 | if (typedef_type) |
| 4704 | return GetType(typedef_type->getDecl()->getUnderlyingType()); |
| 4705 | } |
| 4706 | return CompilerType(); |
| 4707 | } |
| 4708 | |
| 4709 | // Create related types using the current type's AST |
| 4710 | |
| 4711 | CompilerType TypeSystemClang::GetBasicTypeFromAST(lldb::BasicType basic_type) { |
| 4712 | return TypeSystemClang::GetBasicType(basic_type); |
| 4713 | } |
| 4714 | // Exploring the type |
| 4715 | |
| 4716 | const llvm::fltSemantics & |
| 4717 | TypeSystemClang::GetFloatTypeSemantics(size_t byte_size) { |
| 4718 | clang::ASTContext &ast = getASTContext(); |
| 4719 | const size_t bit_size = byte_size * 8; |
| 4720 | if (bit_size == ast.getTypeSize(ast.FloatTy)) |
| 4721 | return ast.getFloatTypeSemantics(ast.FloatTy); |
| 4722 | else if (bit_size == ast.getTypeSize(ast.DoubleTy)) |
| 4723 | return ast.getFloatTypeSemantics(ast.DoubleTy); |
| 4724 | else if (bit_size == ast.getTypeSize(ast.LongDoubleTy) || |
| 4725 | bit_size == llvm::APFloat::semanticsSizeInBits( |
| 4726 | ast.getFloatTypeSemantics(ast.LongDoubleTy))) |
| 4727 | return ast.getFloatTypeSemantics(ast.LongDoubleTy); |
| 4728 | else if (bit_size == ast.getTypeSize(ast.HalfTy)) |
| 4729 | return ast.getFloatTypeSemantics(ast.HalfTy); |
| 4730 | return llvm::APFloatBase::Bogus(); |
| 4731 | } |
| 4732 | |
| 4733 | std::optional<uint64_t> |
| 4734 | TypeSystemClang::GetBitSize(lldb::opaque_compiler_type_t type, |
| 4735 | ExecutionContextScope *exe_scope) { |
| 4736 | if (GetCompleteType(type)) { |
| 4737 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 4738 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 4739 | switch (type_class) { |
| 4740 | case clang::Type::Record: |
| 4741 | if (GetCompleteType(type)) |
| 4742 | return getASTContext().getTypeSize(qual_type); |
| 4743 | else |
| 4744 | return std::nullopt; |
| 4745 | break; |
| 4746 | |
| 4747 | case clang::Type::ObjCInterface: |
| 4748 | case clang::Type::ObjCObject: { |
| 4749 | ExecutionContext exe_ctx(exe_scope); |
| 4750 | Process *process = exe_ctx.GetProcessPtr(); |
| 4751 | if (process) { |
| 4752 | ObjCLanguageRuntime *objc_runtime = ObjCLanguageRuntime::Get(*process); |
| 4753 | if (objc_runtime) { |
| 4754 | uint64_t bit_size = 0; |
| 4755 | if (objc_runtime->GetTypeBitSize(GetType(qual_type), bit_size)) |
| 4756 | return bit_size; |
| 4757 | } |
| 4758 | } else { |
| 4759 | static bool g_printed = false; |
| 4760 | if (!g_printed) { |
| 4761 | StreamString s; |
| 4762 | DumpTypeDescription(type, &s); |
| 4763 | |
| 4764 | llvm::outs() << "warning: trying to determine the size of type "; |
| 4765 | llvm::outs() << s.GetString() << "\n"; |
| 4766 | llvm::outs() << "without a valid ExecutionContext. this is not " |
| 4767 | "reliable. please file a bug against LLDB.\n"; |
| 4768 | llvm::outs() << "backtrace:\n"; |
| 4769 | llvm::sys::PrintStackTrace(llvm::outs()); |
| 4770 | llvm::outs() << "\n"; |
| 4771 | g_printed = true; |
| 4772 | } |
| 4773 | } |
| 4774 | } |
| 4775 | [[fallthrough]]; |
| 4776 | default: |
| 4777 | const uint32_t bit_size = getASTContext().getTypeSize(qual_type); |
| 4778 | if (bit_size == 0) { |
| 4779 | if (qual_type->isIncompleteArrayType()) |
| 4780 | return getASTContext().getTypeSize( |
| 4781 | qual_type->getArrayElementTypeNoTypeQual() |
| 4782 | ->getCanonicalTypeUnqualified()); |
| 4783 | } |
| 4784 | if (qual_type->isObjCObjectOrInterfaceType()) |
| 4785 | return bit_size + |
| 4786 | getASTContext().getTypeSize(getASTContext().ObjCBuiltinClassTy); |
| 4787 | // Function types actually have a size of 0, that's not an error. |
| 4788 | if (qual_type->isFunctionProtoType()) |
| 4789 | return bit_size; |
| 4790 | if (bit_size) |
| 4791 | return bit_size; |
| 4792 | } |
| 4793 | } |
| 4794 | return std::nullopt; |
| 4795 | } |
| 4796 | |
| 4797 | std::optional<size_t> |
| 4798 | TypeSystemClang::GetTypeBitAlign(lldb::opaque_compiler_type_t type, |
| 4799 | ExecutionContextScope *exe_scope) { |
| 4800 | if (GetCompleteType(type)) |
| 4801 | return getASTContext().getTypeAlign(GetQualType(type)); |
| 4802 | return {}; |
| 4803 | } |
| 4804 | |
| 4805 | lldb::Encoding TypeSystemClang::GetEncoding(lldb::opaque_compiler_type_t type, |
| 4806 | uint64_t &count) { |
| 4807 | if (!type) |
| 4808 | return lldb::eEncodingInvalid; |
| 4809 | |
| 4810 | count = 1; |
| 4811 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 4812 | |
| 4813 | switch (qual_type->getTypeClass()) { |
| 4814 | case clang::Type::Atomic: |
| 4815 | case clang::Type::Auto: |
| 4816 | case clang::Type::Decltype: |
| 4817 | case clang::Type::Elaborated: |
| 4818 | case clang::Type::Paren: |
| 4819 | case clang::Type::Typedef: |
| 4820 | case clang::Type::TypeOf: |
| 4821 | case clang::Type::TypeOfExpr: |
| 4822 | case clang::Type::Using: |
| 4823 | llvm_unreachable("Handled in RemoveWrappingTypes!")::llvm::llvm_unreachable_internal("Handled in RemoveWrappingTypes!" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 4823); |
| 4824 | |
| 4825 | case clang::Type::UnaryTransform: |
| 4826 | break; |
| 4827 | |
| 4828 | case clang::Type::FunctionNoProto: |
| 4829 | case clang::Type::FunctionProto: |
| 4830 | break; |
| 4831 | |
| 4832 | case clang::Type::IncompleteArray: |
| 4833 | case clang::Type::VariableArray: |
| 4834 | break; |
| 4835 | |
| 4836 | case clang::Type::ConstantArray: |
| 4837 | break; |
| 4838 | |
| 4839 | case clang::Type::DependentVector: |
| 4840 | case clang::Type::ExtVector: |
| 4841 | case clang::Type::Vector: |
| 4842 | // TODO: Set this to more than one??? |
| 4843 | break; |
| 4844 | |
| 4845 | case clang::Type::BitInt: |
| 4846 | case clang::Type::DependentBitInt: |
| 4847 | return qual_type->isUnsignedIntegerType() ? lldb::eEncodingUint |
| 4848 | : lldb::eEncodingSint; |
| 4849 | |
| 4850 | case clang::Type::Builtin: |
| 4851 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 4852 | case clang::BuiltinType::Void: |
| 4853 | break; |
| 4854 | |
| 4855 | case clang::BuiltinType::Char_S: |
| 4856 | case clang::BuiltinType::SChar: |
| 4857 | case clang::BuiltinType::WChar_S: |
| 4858 | case clang::BuiltinType::Short: |
| 4859 | case clang::BuiltinType::Int: |
| 4860 | case clang::BuiltinType::Long: |
| 4861 | case clang::BuiltinType::LongLong: |
| 4862 | case clang::BuiltinType::Int128: |
| 4863 | return lldb::eEncodingSint; |
| 4864 | |
| 4865 | case clang::BuiltinType::Bool: |
| 4866 | case clang::BuiltinType::Char_U: |
| 4867 | case clang::BuiltinType::UChar: |
| 4868 | case clang::BuiltinType::WChar_U: |
| 4869 | case clang::BuiltinType::Char8: |
| 4870 | case clang::BuiltinType::Char16: |
| 4871 | case clang::BuiltinType::Char32: |
| 4872 | case clang::BuiltinType::UShort: |
| 4873 | case clang::BuiltinType::UInt: |
| 4874 | case clang::BuiltinType::ULong: |
| 4875 | case clang::BuiltinType::ULongLong: |
| 4876 | case clang::BuiltinType::UInt128: |
| 4877 | return lldb::eEncodingUint; |
| 4878 | |
| 4879 | // Fixed point types. Note that they are currently ignored. |
| 4880 | case clang::BuiltinType::ShortAccum: |
| 4881 | case clang::BuiltinType::Accum: |
| 4882 | case clang::BuiltinType::LongAccum: |
| 4883 | case clang::BuiltinType::UShortAccum: |
| 4884 | case clang::BuiltinType::UAccum: |
| 4885 | case clang::BuiltinType::ULongAccum: |
| 4886 | case clang::BuiltinType::ShortFract: |
| 4887 | case clang::BuiltinType::Fract: |
| 4888 | case clang::BuiltinType::LongFract: |
| 4889 | case clang::BuiltinType::UShortFract: |
| 4890 | case clang::BuiltinType::UFract: |
| 4891 | case clang::BuiltinType::ULongFract: |
| 4892 | case clang::BuiltinType::SatShortAccum: |
| 4893 | case clang::BuiltinType::SatAccum: |
| 4894 | case clang::BuiltinType::SatLongAccum: |
| 4895 | case clang::BuiltinType::SatUShortAccum: |
| 4896 | case clang::BuiltinType::SatUAccum: |
| 4897 | case clang::BuiltinType::SatULongAccum: |
| 4898 | case clang::BuiltinType::SatShortFract: |
| 4899 | case clang::BuiltinType::SatFract: |
| 4900 | case clang::BuiltinType::SatLongFract: |
| 4901 | case clang::BuiltinType::SatUShortFract: |
| 4902 | case clang::BuiltinType::SatUFract: |
| 4903 | case clang::BuiltinType::SatULongFract: |
| 4904 | break; |
| 4905 | |
| 4906 | case clang::BuiltinType::Half: |
| 4907 | case clang::BuiltinType::Float: |
| 4908 | case clang::BuiltinType::Float16: |
| 4909 | case clang::BuiltinType::Float128: |
| 4910 | case clang::BuiltinType::Double: |
| 4911 | case clang::BuiltinType::LongDouble: |
| 4912 | case clang::BuiltinType::BFloat16: |
| 4913 | case clang::BuiltinType::Ibm128: |
| 4914 | return lldb::eEncodingIEEE754; |
| 4915 | |
| 4916 | case clang::BuiltinType::ObjCClass: |
| 4917 | case clang::BuiltinType::ObjCId: |
| 4918 | case clang::BuiltinType::ObjCSel: |
| 4919 | return lldb::eEncodingUint; |
| 4920 | |
| 4921 | case clang::BuiltinType::NullPtr: |
| 4922 | return lldb::eEncodingUint; |
| 4923 | |
| 4924 | case clang::BuiltinType::Kind::ARCUnbridgedCast: |
| 4925 | case clang::BuiltinType::Kind::BoundMember: |
| 4926 | case clang::BuiltinType::Kind::BuiltinFn: |
| 4927 | case clang::BuiltinType::Kind::Dependent: |
| 4928 | case clang::BuiltinType::Kind::OCLClkEvent: |
| 4929 | case clang::BuiltinType::Kind::OCLEvent: |
| 4930 | case clang::BuiltinType::Kind::OCLImage1dRO: |
| 4931 | case clang::BuiltinType::Kind::OCLImage1dWO: |
| 4932 | case clang::BuiltinType::Kind::OCLImage1dRW: |
| 4933 | case clang::BuiltinType::Kind::OCLImage1dArrayRO: |
| 4934 | case clang::BuiltinType::Kind::OCLImage1dArrayWO: |
| 4935 | case clang::BuiltinType::Kind::OCLImage1dArrayRW: |
| 4936 | case clang::BuiltinType::Kind::OCLImage1dBufferRO: |
| 4937 | case clang::BuiltinType::Kind::OCLImage1dBufferWO: |
| 4938 | case clang::BuiltinType::Kind::OCLImage1dBufferRW: |
| 4939 | case clang::BuiltinType::Kind::OCLImage2dRO: |
| 4940 | case clang::BuiltinType::Kind::OCLImage2dWO: |
| 4941 | case clang::BuiltinType::Kind::OCLImage2dRW: |
| 4942 | case clang::BuiltinType::Kind::OCLImage2dArrayRO: |
| 4943 | case clang::BuiltinType::Kind::OCLImage2dArrayWO: |
| 4944 | case clang::BuiltinType::Kind::OCLImage2dArrayRW: |
| 4945 | case clang::BuiltinType::Kind::OCLImage2dArrayDepthRO: |
| 4946 | case clang::BuiltinType::Kind::OCLImage2dArrayDepthWO: |
| 4947 | case clang::BuiltinType::Kind::OCLImage2dArrayDepthRW: |
| 4948 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAARO: |
| 4949 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAAWO: |
| 4950 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAARW: |
| 4951 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAADepthRO: |
| 4952 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAADepthWO: |
| 4953 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAADepthRW: |
| 4954 | case clang::BuiltinType::Kind::OCLImage2dDepthRO: |
| 4955 | case clang::BuiltinType::Kind::OCLImage2dDepthWO: |
| 4956 | case clang::BuiltinType::Kind::OCLImage2dDepthRW: |
| 4957 | case clang::BuiltinType::Kind::OCLImage2dMSAARO: |
| 4958 | case clang::BuiltinType::Kind::OCLImage2dMSAAWO: |
| 4959 | case clang::BuiltinType::Kind::OCLImage2dMSAARW: |
| 4960 | case clang::BuiltinType::Kind::OCLImage2dMSAADepthRO: |
| 4961 | case clang::BuiltinType::Kind::OCLImage2dMSAADepthWO: |
| 4962 | case clang::BuiltinType::Kind::OCLImage2dMSAADepthRW: |
| 4963 | case clang::BuiltinType::Kind::OCLImage3dRO: |
| 4964 | case clang::BuiltinType::Kind::OCLImage3dWO: |
| 4965 | case clang::BuiltinType::Kind::OCLImage3dRW: |
| 4966 | case clang::BuiltinType::Kind::OCLQueue: |
| 4967 | case clang::BuiltinType::Kind::OCLReserveID: |
| 4968 | case clang::BuiltinType::Kind::OCLSampler: |
| 4969 | case clang::BuiltinType::Kind::OMPArraySection: |
| 4970 | case clang::BuiltinType::Kind::OMPArrayShaping: |
| 4971 | case clang::BuiltinType::Kind::OMPIterator: |
| 4972 | case clang::BuiltinType::Kind::Overload: |
| 4973 | case clang::BuiltinType::Kind::PseudoObject: |
| 4974 | case clang::BuiltinType::Kind::UnknownAny: |
| 4975 | break; |
| 4976 | |
| 4977 | case clang::BuiltinType::OCLIntelSubgroupAVCMcePayload: |
| 4978 | case clang::BuiltinType::OCLIntelSubgroupAVCImePayload: |
| 4979 | case clang::BuiltinType::OCLIntelSubgroupAVCRefPayload: |
| 4980 | case clang::BuiltinType::OCLIntelSubgroupAVCSicPayload: |
| 4981 | case clang::BuiltinType::OCLIntelSubgroupAVCMceResult: |
| 4982 | case clang::BuiltinType::OCLIntelSubgroupAVCImeResult: |
| 4983 | case clang::BuiltinType::OCLIntelSubgroupAVCRefResult: |
| 4984 | case clang::BuiltinType::OCLIntelSubgroupAVCSicResult: |
| 4985 | case clang::BuiltinType::OCLIntelSubgroupAVCImeResultSingleReferenceStreamout: |
| 4986 | case clang::BuiltinType::OCLIntelSubgroupAVCImeResultDualReferenceStreamout: |
| 4987 | case clang::BuiltinType::OCLIntelSubgroupAVCImeSingleReferenceStreamin: |
| 4988 | case clang::BuiltinType::OCLIntelSubgroupAVCImeDualReferenceStreamin: |
| 4989 | break; |
| 4990 | |
| 4991 | // PowerPC -- Matrix Multiply Assist |
| 4992 | case clang::BuiltinType::VectorPair: |
| 4993 | case clang::BuiltinType::VectorQuad: |
| 4994 | break; |
| 4995 | |
| 4996 | // ARM -- Scalable Vector Extension |
| 4997 | case clang::BuiltinType::SveBool: |
| 4998 | case clang::BuiltinType::SveBoolx2: |
| 4999 | case clang::BuiltinType::SveBoolx4: |
| 5000 | case clang::BuiltinType::SveCount: |
| 5001 | case clang::BuiltinType::SveInt8: |
| 5002 | case clang::BuiltinType::SveInt8x2: |
| 5003 | case clang::BuiltinType::SveInt8x3: |
| 5004 | case clang::BuiltinType::SveInt8x4: |
| 5005 | case clang::BuiltinType::SveInt16: |
| 5006 | case clang::BuiltinType::SveInt16x2: |
| 5007 | case clang::BuiltinType::SveInt16x3: |
| 5008 | case clang::BuiltinType::SveInt16x4: |
| 5009 | case clang::BuiltinType::SveInt32: |
| 5010 | case clang::BuiltinType::SveInt32x2: |
| 5011 | case clang::BuiltinType::SveInt32x3: |
| 5012 | case clang::BuiltinType::SveInt32x4: |
| 5013 | case clang::BuiltinType::SveInt64: |
| 5014 | case clang::BuiltinType::SveInt64x2: |
| 5015 | case clang::BuiltinType::SveInt64x3: |
| 5016 | case clang::BuiltinType::SveInt64x4: |
| 5017 | case clang::BuiltinType::SveUint8: |
| 5018 | case clang::BuiltinType::SveUint8x2: |
| 5019 | case clang::BuiltinType::SveUint8x3: |
| 5020 | case clang::BuiltinType::SveUint8x4: |
| 5021 | case clang::BuiltinType::SveUint16: |
| 5022 | case clang::BuiltinType::SveUint16x2: |
| 5023 | case clang::BuiltinType::SveUint16x3: |
| 5024 | case clang::BuiltinType::SveUint16x4: |
| 5025 | case clang::BuiltinType::SveUint32: |
| 5026 | case clang::BuiltinType::SveUint32x2: |
| 5027 | case clang::BuiltinType::SveUint32x3: |
| 5028 | case clang::BuiltinType::SveUint32x4: |
| 5029 | case clang::BuiltinType::SveUint64: |
| 5030 | case clang::BuiltinType::SveUint64x2: |
| 5031 | case clang::BuiltinType::SveUint64x3: |
| 5032 | case clang::BuiltinType::SveUint64x4: |
| 5033 | case clang::BuiltinType::SveFloat16: |
| 5034 | case clang::BuiltinType::SveBFloat16: |
| 5035 | case clang::BuiltinType::SveBFloat16x2: |
| 5036 | case clang::BuiltinType::SveBFloat16x3: |
| 5037 | case clang::BuiltinType::SveBFloat16x4: |
| 5038 | case clang::BuiltinType::SveFloat16x2: |
| 5039 | case clang::BuiltinType::SveFloat16x3: |
| 5040 | case clang::BuiltinType::SveFloat16x4: |
| 5041 | case clang::BuiltinType::SveFloat32: |
| 5042 | case clang::BuiltinType::SveFloat32x2: |
| 5043 | case clang::BuiltinType::SveFloat32x3: |
| 5044 | case clang::BuiltinType::SveFloat32x4: |
| 5045 | case clang::BuiltinType::SveFloat64: |
| 5046 | case clang::BuiltinType::SveFloat64x2: |
| 5047 | case clang::BuiltinType::SveFloat64x3: |
| 5048 | case clang::BuiltinType::SveFloat64x4: |
| 5049 | break; |
| 5050 | |
| 5051 | // RISC-V V builtin types. |
| 5052 | case clang::BuiltinType::RvvInt8mf8: |
| 5053 | case clang::BuiltinType::RvvInt8mf4: |
| 5054 | case clang::BuiltinType::RvvInt8mf2: |
| 5055 | case clang::BuiltinType::RvvInt8m1: |
| 5056 | case clang::BuiltinType::RvvInt8m2: |
| 5057 | case clang::BuiltinType::RvvInt8m4: |
| 5058 | case clang::BuiltinType::RvvInt8m8: |
| 5059 | case clang::BuiltinType::RvvUint8mf8: |
| 5060 | case clang::BuiltinType::RvvUint8mf4: |
| 5061 | case clang::BuiltinType::RvvUint8mf2: |
| 5062 | case clang::BuiltinType::RvvUint8m1: |
| 5063 | case clang::BuiltinType::RvvUint8m2: |
| 5064 | case clang::BuiltinType::RvvUint8m4: |
| 5065 | case clang::BuiltinType::RvvUint8m8: |
| 5066 | case clang::BuiltinType::RvvInt16mf4: |
| 5067 | case clang::BuiltinType::RvvInt16mf2: |
| 5068 | case clang::BuiltinType::RvvInt16m1: |
| 5069 | case clang::BuiltinType::RvvInt16m2: |
| 5070 | case clang::BuiltinType::RvvInt16m4: |
| 5071 | case clang::BuiltinType::RvvInt16m8: |
| 5072 | case clang::BuiltinType::RvvUint16mf4: |
| 5073 | case clang::BuiltinType::RvvUint16mf2: |
| 5074 | case clang::BuiltinType::RvvUint16m1: |
| 5075 | case clang::BuiltinType::RvvUint16m2: |
| 5076 | case clang::BuiltinType::RvvUint16m4: |
| 5077 | case clang::BuiltinType::RvvUint16m8: |
| 5078 | case clang::BuiltinType::RvvInt32mf2: |
| 5079 | case clang::BuiltinType::RvvInt32m1: |
| 5080 | case clang::BuiltinType::RvvInt32m2: |
| 5081 | case clang::BuiltinType::RvvInt32m4: |
| 5082 | case clang::BuiltinType::RvvInt32m8: |
| 5083 | case clang::BuiltinType::RvvUint32mf2: |
| 5084 | case clang::BuiltinType::RvvUint32m1: |
| 5085 | case clang::BuiltinType::RvvUint32m2: |
| 5086 | case clang::BuiltinType::RvvUint32m4: |
| 5087 | case clang::BuiltinType::RvvUint32m8: |
| 5088 | case clang::BuiltinType::RvvInt64m1: |
| 5089 | case clang::BuiltinType::RvvInt64m2: |
| 5090 | case clang::BuiltinType::RvvInt64m4: |
| 5091 | case clang::BuiltinType::RvvInt64m8: |
| 5092 | case clang::BuiltinType::RvvUint64m1: |
| 5093 | case clang::BuiltinType::RvvUint64m2: |
| 5094 | case clang::BuiltinType::RvvUint64m4: |
| 5095 | case clang::BuiltinType::RvvUint64m8: |
| 5096 | case clang::BuiltinType::RvvFloat16mf4: |
| 5097 | case clang::BuiltinType::RvvFloat16mf2: |
| 5098 | case clang::BuiltinType::RvvFloat16m1: |
| 5099 | case clang::BuiltinType::RvvFloat16m2: |
| 5100 | case clang::BuiltinType::RvvFloat16m4: |
| 5101 | case clang::BuiltinType::RvvFloat16m8: |
| 5102 | case clang::BuiltinType::RvvFloat32mf2: |
| 5103 | case clang::BuiltinType::RvvFloat32m1: |
| 5104 | case clang::BuiltinType::RvvFloat32m2: |
| 5105 | case clang::BuiltinType::RvvFloat32m4: |
| 5106 | case clang::BuiltinType::RvvFloat32m8: |
| 5107 | case clang::BuiltinType::RvvFloat64m1: |
| 5108 | case clang::BuiltinType::RvvFloat64m2: |
| 5109 | case clang::BuiltinType::RvvFloat64m4: |
| 5110 | case clang::BuiltinType::RvvFloat64m8: |
| 5111 | case clang::BuiltinType::RvvBool1: |
| 5112 | case clang::BuiltinType::RvvBool2: |
| 5113 | case clang::BuiltinType::RvvBool4: |
| 5114 | case clang::BuiltinType::RvvBool8: |
| 5115 | case clang::BuiltinType::RvvBool16: |
| 5116 | case clang::BuiltinType::RvvBool32: |
| 5117 | case clang::BuiltinType::RvvBool64: |
| 5118 | break; |
| 5119 | |
| 5120 | // WebAssembly builtin types. |
| 5121 | case clang::BuiltinType::WasmExternRef: |
| 5122 | break; |
| 5123 | |
| 5124 | case clang::BuiltinType::IncompleteMatrixIdx: |
| 5125 | break; |
| 5126 | } |
| 5127 | break; |
| 5128 | // All pointer types are represented as unsigned integer encodings. We may |
| 5129 | // nee to add a eEncodingPointer if we ever need to know the difference |
| 5130 | case clang::Type::ObjCObjectPointer: |
| 5131 | case clang::Type::BlockPointer: |
| 5132 | case clang::Type::Pointer: |
| 5133 | case clang::Type::LValueReference: |
| 5134 | case clang::Type::RValueReference: |
| 5135 | case clang::Type::MemberPointer: |
| 5136 | return lldb::eEncodingUint; |
| 5137 | case clang::Type::Complex: { |
| 5138 | lldb::Encoding encoding = lldb::eEncodingIEEE754; |
| 5139 | if (qual_type->isComplexType()) |
| 5140 | encoding = lldb::eEncodingIEEE754; |
| 5141 | else { |
| 5142 | const clang::ComplexType *complex_type = |
| 5143 | qual_type->getAsComplexIntegerType(); |
| 5144 | if (complex_type) |
| 5145 | encoding = GetType(complex_type->getElementType()).GetEncoding(count); |
| 5146 | else |
| 5147 | encoding = lldb::eEncodingSint; |
| 5148 | } |
| 5149 | count = 2; |
| 5150 | return encoding; |
| 5151 | } |
| 5152 | |
| 5153 | case clang::Type::ObjCInterface: |
| 5154 | break; |
| 5155 | case clang::Type::Record: |
| 5156 | break; |
| 5157 | case clang::Type::Enum: |
| 5158 | return qual_type->isUnsignedIntegerOrEnumerationType() |
| 5159 | ? lldb::eEncodingUint |
| 5160 | : lldb::eEncodingSint; |
| 5161 | case clang::Type::DependentSizedArray: |
| 5162 | case clang::Type::DependentSizedExtVector: |
| 5163 | case clang::Type::UnresolvedUsing: |
| 5164 | case clang::Type::Attributed: |
| 5165 | case clang::Type::BTFTagAttributed: |
| 5166 | case clang::Type::TemplateTypeParm: |
| 5167 | case clang::Type::SubstTemplateTypeParm: |
| 5168 | case clang::Type::SubstTemplateTypeParmPack: |
| 5169 | case clang::Type::InjectedClassName: |
| 5170 | case clang::Type::DependentName: |
| 5171 | case clang::Type::DependentTemplateSpecialization: |
| 5172 | case clang::Type::PackExpansion: |
| 5173 | case clang::Type::ObjCObject: |
| 5174 | |
| 5175 | case clang::Type::TemplateSpecialization: |
| 5176 | case clang::Type::DeducedTemplateSpecialization: |
| 5177 | case clang::Type::Adjusted: |
| 5178 | case clang::Type::Pipe: |
| 5179 | break; |
| 5180 | |
| 5181 | // pointer type decayed from an array or function type. |
| 5182 | case clang::Type::Decayed: |
| 5183 | break; |
| 5184 | case clang::Type::ObjCTypeParam: |
| 5185 | break; |
| 5186 | |
| 5187 | case clang::Type::DependentAddressSpace: |
| 5188 | break; |
| 5189 | case clang::Type::MacroQualified: |
| 5190 | break; |
| 5191 | |
| 5192 | case clang::Type::ConstantMatrix: |
| 5193 | case clang::Type::DependentSizedMatrix: |
| 5194 | break; |
| 5195 | } |
| 5196 | count = 0; |
| 5197 | return lldb::eEncodingInvalid; |
| 5198 | } |
| 5199 | |
| 5200 | lldb::Format TypeSystemClang::GetFormat(lldb::opaque_compiler_type_t type) { |
| 5201 | if (!type) |
| 5202 | return lldb::eFormatDefault; |
| 5203 | |
| 5204 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 5205 | |
| 5206 | switch (qual_type->getTypeClass()) { |
| 5207 | case clang::Type::Atomic: |
| 5208 | case clang::Type::Auto: |
| 5209 | case clang::Type::Decltype: |
| 5210 | case clang::Type::Elaborated: |
| 5211 | case clang::Type::Paren: |
| 5212 | case clang::Type::Typedef: |
| 5213 | case clang::Type::TypeOf: |
| 5214 | case clang::Type::TypeOfExpr: |
| 5215 | case clang::Type::Using: |
| 5216 | llvm_unreachable("Handled in RemoveWrappingTypes!")::llvm::llvm_unreachable_internal("Handled in RemoveWrappingTypes!" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 5216); |
| 5217 | case clang::Type::UnaryTransform: |
| 5218 | break; |
| 5219 | |
| 5220 | case clang::Type::FunctionNoProto: |
| 5221 | case clang::Type::FunctionProto: |
| 5222 | break; |
| 5223 | |
| 5224 | case clang::Type::IncompleteArray: |
| 5225 | case clang::Type::VariableArray: |
| 5226 | break; |
| 5227 | |
| 5228 | case clang::Type::ConstantArray: |
| 5229 | return lldb::eFormatVoid; // no value |
| 5230 | |
| 5231 | case clang::Type::DependentVector: |
| 5232 | case clang::Type::ExtVector: |
| 5233 | case clang::Type::Vector: |
| 5234 | break; |
| 5235 | |
| 5236 | case clang::Type::BitInt: |
| 5237 | case clang::Type::DependentBitInt: |
| 5238 | return qual_type->isUnsignedIntegerType() ? lldb::eFormatUnsigned |
| 5239 | : lldb::eFormatDecimal; |
| 5240 | |
| 5241 | case clang::Type::Builtin: |
| 5242 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 5243 | case clang::BuiltinType::UnknownAny: |
| 5244 | case clang::BuiltinType::Void: |
| 5245 | case clang::BuiltinType::BoundMember: |
| 5246 | break; |
| 5247 | |
| 5248 | case clang::BuiltinType::Bool: |
| 5249 | return lldb::eFormatBoolean; |
| 5250 | case clang::BuiltinType::Char_S: |
| 5251 | case clang::BuiltinType::SChar: |
| 5252 | case clang::BuiltinType::WChar_S: |
| 5253 | case clang::BuiltinType::Char_U: |
| 5254 | case clang::BuiltinType::UChar: |
| 5255 | case clang::BuiltinType::WChar_U: |
| 5256 | return lldb::eFormatChar; |
| 5257 | case clang::BuiltinType::Char8: |
| 5258 | return lldb::eFormatUnicode8; |
| 5259 | case clang::BuiltinType::Char16: |
| 5260 | return lldb::eFormatUnicode16; |
| 5261 | case clang::BuiltinType::Char32: |
| 5262 | return lldb::eFormatUnicode32; |
| 5263 | case clang::BuiltinType::UShort: |
| 5264 | return lldb::eFormatUnsigned; |
| 5265 | case clang::BuiltinType::Short: |
| 5266 | return lldb::eFormatDecimal; |
| 5267 | case clang::BuiltinType::UInt: |
| 5268 | return lldb::eFormatUnsigned; |
| 5269 | case clang::BuiltinType::Int: |
| 5270 | return lldb::eFormatDecimal; |
| 5271 | case clang::BuiltinType::ULong: |
| 5272 | return lldb::eFormatUnsigned; |
| 5273 | case clang::BuiltinType::Long: |
| 5274 | return lldb::eFormatDecimal; |
| 5275 | case clang::BuiltinType::ULongLong: |
| 5276 | return lldb::eFormatUnsigned; |
| 5277 | case clang::BuiltinType::LongLong: |
| 5278 | return lldb::eFormatDecimal; |
| 5279 | case clang::BuiltinType::UInt128: |
| 5280 | return lldb::eFormatUnsigned; |
| 5281 | case clang::BuiltinType::Int128: |
| 5282 | return lldb::eFormatDecimal; |
| 5283 | case clang::BuiltinType::Half: |
| 5284 | case clang::BuiltinType::Float: |
| 5285 | case clang::BuiltinType::Double: |
| 5286 | case clang::BuiltinType::LongDouble: |
| 5287 | return lldb::eFormatFloat; |
| 5288 | default: |
| 5289 | return lldb::eFormatHex; |
| 5290 | } |
| 5291 | break; |
| 5292 | case clang::Type::ObjCObjectPointer: |
| 5293 | return lldb::eFormatHex; |
| 5294 | case clang::Type::BlockPointer: |
| 5295 | return lldb::eFormatHex; |
| 5296 | case clang::Type::Pointer: |
| 5297 | return lldb::eFormatHex; |
| 5298 | case clang::Type::LValueReference: |
| 5299 | case clang::Type::RValueReference: |
| 5300 | return lldb::eFormatHex; |
| 5301 | case clang::Type::MemberPointer: |
| 5302 | return lldb::eFormatHex; |
| 5303 | case clang::Type::Complex: { |
| 5304 | if (qual_type->isComplexType()) |
| 5305 | return lldb::eFormatComplex; |
| 5306 | else |
| 5307 | return lldb::eFormatComplexInteger; |
| 5308 | } |
| 5309 | case clang::Type::ObjCInterface: |
| 5310 | break; |
| 5311 | case clang::Type::Record: |
| 5312 | break; |
| 5313 | case clang::Type::Enum: |
| 5314 | return lldb::eFormatEnum; |
| 5315 | case clang::Type::DependentSizedArray: |
| 5316 | case clang::Type::DependentSizedExtVector: |
| 5317 | case clang::Type::UnresolvedUsing: |
| 5318 | case clang::Type::Attributed: |
| 5319 | case clang::Type::BTFTagAttributed: |
| 5320 | case clang::Type::TemplateTypeParm: |
| 5321 | case clang::Type::SubstTemplateTypeParm: |
| 5322 | case clang::Type::SubstTemplateTypeParmPack: |
| 5323 | case clang::Type::InjectedClassName: |
| 5324 | case clang::Type::DependentName: |
| 5325 | case clang::Type::DependentTemplateSpecialization: |
| 5326 | case clang::Type::PackExpansion: |
| 5327 | case clang::Type::ObjCObject: |
| 5328 | |
| 5329 | case clang::Type::TemplateSpecialization: |
| 5330 | case clang::Type::DeducedTemplateSpecialization: |
| 5331 | case clang::Type::Adjusted: |
| 5332 | case clang::Type::Pipe: |
| 5333 | break; |
| 5334 | |
| 5335 | // pointer type decayed from an array or function type. |
| 5336 | case clang::Type::Decayed: |
| 5337 | break; |
| 5338 | case clang::Type::ObjCTypeParam: |
| 5339 | break; |
| 5340 | |
| 5341 | case clang::Type::DependentAddressSpace: |
| 5342 | break; |
| 5343 | case clang::Type::MacroQualified: |
| 5344 | break; |
| 5345 | |
| 5346 | // Matrix types we're not sure how to display yet. |
| 5347 | case clang::Type::ConstantMatrix: |
| 5348 | case clang::Type::DependentSizedMatrix: |
| 5349 | break; |
| 5350 | } |
| 5351 | // We don't know hot to display this type... |
| 5352 | return lldb::eFormatBytes; |
| 5353 | } |
| 5354 | |
| 5355 | static bool ObjCDeclHasIVars(clang::ObjCInterfaceDecl *class_interface_decl, |
| 5356 | bool check_superclass) { |
| 5357 | while (class_interface_decl) { |
| 5358 | if (class_interface_decl->ivar_size() > 0) |
| 5359 | return true; |
| 5360 | |
| 5361 | if (check_superclass) |
| 5362 | class_interface_decl = class_interface_decl->getSuperClass(); |
| 5363 | else |
| 5364 | break; |
| 5365 | } |
| 5366 | return false; |
| 5367 | } |
| 5368 | |
| 5369 | static std::optional<SymbolFile::ArrayInfo> |
| 5370 | GetDynamicArrayInfo(TypeSystemClang &ast, SymbolFile *sym_file, |
| 5371 | clang::QualType qual_type, |
| 5372 | const ExecutionContext *exe_ctx) { |
| 5373 | if (qual_type->isIncompleteArrayType()) |
| 5374 | if (auto *metadata = ast.GetMetadata(qual_type.getTypePtr())) |
| 5375 | return sym_file->GetDynamicArrayInfoForUID(metadata->GetUserID(), |
| 5376 | exe_ctx); |
| 5377 | return std::nullopt; |
| 5378 | } |
| 5379 | |
| 5380 | uint32_t TypeSystemClang::GetNumChildren(lldb::opaque_compiler_type_t type, |
| 5381 | bool omit_empty_base_classes, |
| 5382 | const ExecutionContext *exe_ctx) { |
| 5383 | if (!type) |
| 5384 | return 0; |
| 5385 | |
| 5386 | uint32_t num_children = 0; |
| 5387 | clang::QualType qual_type(RemoveWrappingTypes(GetQualType(type))); |
| 5388 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5389 | switch (type_class) { |
| 5390 | case clang::Type::Builtin: |
| 5391 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 5392 | case clang::BuiltinType::ObjCId: // child is Class |
| 5393 | case clang::BuiltinType::ObjCClass: // child is Class |
| 5394 | num_children = 1; |
| 5395 | break; |
| 5396 | |
| 5397 | default: |
| 5398 | break; |
| 5399 | } |
| 5400 | break; |
| 5401 | |
| 5402 | case clang::Type::Complex: |
| 5403 | return 0; |
| 5404 | case clang::Type::Record: |
| 5405 | if (GetCompleteQualType(&getASTContext(), qual_type)) { |
| 5406 | const clang::RecordType *record_type = |
| 5407 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 5408 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 5409 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 5409, __extension__ __PRETTY_FUNCTION__)); |
| 5410 | const clang::CXXRecordDecl *cxx_record_decl = |
| 5411 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 5412 | if (cxx_record_decl) { |
| 5413 | if (omit_empty_base_classes) { |
| 5414 | // Check each base classes to see if it or any of its base classes |
| 5415 | // contain any fields. This can help limit the noise in variable |
| 5416 | // views by not having to show base classes that contain no members. |
| 5417 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
| 5418 | base_class_end; |
| 5419 | for (base_class = cxx_record_decl->bases_begin(), |
| 5420 | base_class_end = cxx_record_decl->bases_end(); |
| 5421 | base_class != base_class_end; ++base_class) { |
| 5422 | const clang::CXXRecordDecl *base_class_decl = |
| 5423 | llvm::cast<clang::CXXRecordDecl>( |
| 5424 | base_class->getType() |
| 5425 | ->getAs<clang::RecordType>() |
| 5426 | ->getDecl()); |
| 5427 | |
| 5428 | // Skip empty base classes |
| 5429 | if (!TypeSystemClang::RecordHasFields(base_class_decl)) |
| 5430 | continue; |
| 5431 | |
| 5432 | num_children++; |
| 5433 | } |
| 5434 | } else { |
| 5435 | // Include all base classes |
| 5436 | num_children += cxx_record_decl->getNumBases(); |
| 5437 | } |
| 5438 | } |
| 5439 | clang::RecordDecl::field_iterator field, field_end; |
| 5440 | for (field = record_decl->field_begin(), |
| 5441 | field_end = record_decl->field_end(); |
| 5442 | field != field_end; ++field) |
| 5443 | ++num_children; |
| 5444 | } |
| 5445 | break; |
| 5446 | |
| 5447 | case clang::Type::ObjCObject: |
| 5448 | case clang::Type::ObjCInterface: |
| 5449 | if (GetCompleteQualType(&getASTContext(), qual_type)) { |
| 5450 | const clang::ObjCObjectType *objc_class_type = |
| 5451 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 5452 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 5452, __extension__ __PRETTY_FUNCTION__)); |
| 5453 | if (objc_class_type) { |
| 5454 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5455 | objc_class_type->getInterface(); |
| 5456 | |
| 5457 | if (class_interface_decl) { |
| 5458 | |
| 5459 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
| 5460 | class_interface_decl->getSuperClass(); |
| 5461 | if (superclass_interface_decl) { |
| 5462 | if (omit_empty_base_classes) { |
| 5463 | if (ObjCDeclHasIVars(superclass_interface_decl, true)) |
| 5464 | ++num_children; |
| 5465 | } else |
| 5466 | ++num_children; |
| 5467 | } |
| 5468 | |
| 5469 | num_children += class_interface_decl->ivar_size(); |
| 5470 | } |
| 5471 | } |
| 5472 | } |
| 5473 | break; |
| 5474 | |
| 5475 | case clang::Type::LValueReference: |
| 5476 | case clang::Type::RValueReference: |
| 5477 | case clang::Type::ObjCObjectPointer: { |
| 5478 | CompilerType pointee_clang_type(GetPointeeType(type)); |
| 5479 | |
| 5480 | uint32_t num_pointee_children = 0; |
| 5481 | if (pointee_clang_type.IsAggregateType()) |
| 5482 | num_pointee_children = |
| 5483 | pointee_clang_type.GetNumChildren(omit_empty_base_classes, exe_ctx); |
| 5484 | // If this type points to a simple type, then it has 1 child |
| 5485 | if (num_pointee_children == 0) |
| 5486 | num_children = 1; |
| 5487 | else |
| 5488 | num_children = num_pointee_children; |
| 5489 | } break; |
| 5490 | |
| 5491 | case clang::Type::Vector: |
| 5492 | case clang::Type::ExtVector: |
| 5493 | num_children = |
| 5494 | llvm::cast<clang::VectorType>(qual_type.getTypePtr())->getNumElements(); |
| 5495 | break; |
| 5496 | |
| 5497 | case clang::Type::ConstantArray: |
| 5498 | num_children = llvm::cast<clang::ConstantArrayType>(qual_type.getTypePtr()) |
| 5499 | ->getSize() |
| 5500 | .getLimitedValue(); |
| 5501 | break; |
| 5502 | case clang::Type::IncompleteArray: |
| 5503 | if (auto array_info = |
| 5504 | GetDynamicArrayInfo(*this, GetSymbolFile(), qual_type, exe_ctx)) |
| 5505 | // Only 1-dimensional arrays are supported. |
| 5506 | num_children = array_info->element_orders.size() |
| 5507 | ? array_info->element_orders.back() |
| 5508 | : 0; |
| 5509 | break; |
| 5510 | |
| 5511 | case clang::Type::Pointer: { |
| 5512 | const clang::PointerType *pointer_type = |
| 5513 | llvm::cast<clang::PointerType>(qual_type.getTypePtr()); |
| 5514 | clang::QualType pointee_type(pointer_type->getPointeeType()); |
| 5515 | CompilerType pointee_clang_type(GetType(pointee_type)); |
| 5516 | uint32_t num_pointee_children = 0; |
| 5517 | if (pointee_clang_type.IsAggregateType()) |
| 5518 | num_pointee_children = |
| 5519 | pointee_clang_type.GetNumChildren(omit_empty_base_classes, exe_ctx); |
| 5520 | if (num_pointee_children == 0) { |
| 5521 | // We have a pointer to a pointee type that claims it has no children. We |
| 5522 | // will want to look at |
| 5523 | num_children = GetNumPointeeChildren(pointee_type); |
| 5524 | } else |
| 5525 | num_children = num_pointee_children; |
| 5526 | } break; |
| 5527 | |
| 5528 | default: |
| 5529 | break; |
| 5530 | } |
| 5531 | return num_children; |
| 5532 | } |
| 5533 | |
| 5534 | CompilerType TypeSystemClang::GetBuiltinTypeByName(ConstString name) { |
| 5535 | return GetBasicType(GetBasicTypeEnumeration(name)); |
| 5536 | } |
| 5537 | |
| 5538 | lldb::BasicType |
| 5539 | TypeSystemClang::GetBasicTypeEnumeration(lldb::opaque_compiler_type_t type) { |
| 5540 | if (type) { |
| 5541 | clang::QualType qual_type(GetQualType(type)); |
| 5542 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5543 | if (type_class == clang::Type::Builtin) { |
| 5544 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 5545 | case clang::BuiltinType::Void: |
| 5546 | return eBasicTypeVoid; |
| 5547 | case clang::BuiltinType::Bool: |
| 5548 | return eBasicTypeBool; |
| 5549 | case clang::BuiltinType::Char_S: |
| 5550 | return eBasicTypeSignedChar; |
| 5551 | case clang::BuiltinType::Char_U: |
| 5552 | return eBasicTypeUnsignedChar; |
| 5553 | case clang::BuiltinType::Char8: |
| 5554 | return eBasicTypeChar8; |
| 5555 | case clang::BuiltinType::Char16: |
| 5556 | return eBasicTypeChar16; |
| 5557 | case clang::BuiltinType::Char32: |
| 5558 | return eBasicTypeChar32; |
| 5559 | case clang::BuiltinType::UChar: |
| 5560 | return eBasicTypeUnsignedChar; |
| 5561 | case clang::BuiltinType::SChar: |
| 5562 | return eBasicTypeSignedChar; |
| 5563 | case clang::BuiltinType::WChar_S: |
| 5564 | return eBasicTypeSignedWChar; |
| 5565 | case clang::BuiltinType::WChar_U: |
| 5566 | return eBasicTypeUnsignedWChar; |
| 5567 | case clang::BuiltinType::Short: |
| 5568 | return eBasicTypeShort; |
| 5569 | case clang::BuiltinType::UShort: |
| 5570 | return eBasicTypeUnsignedShort; |
| 5571 | case clang::BuiltinType::Int: |
| 5572 | return eBasicTypeInt; |
| 5573 | case clang::BuiltinType::UInt: |
| 5574 | return eBasicTypeUnsignedInt; |
| 5575 | case clang::BuiltinType::Long: |
| 5576 | return eBasicTypeLong; |
| 5577 | case clang::BuiltinType::ULong: |
| 5578 | return eBasicTypeUnsignedLong; |
| 5579 | case clang::BuiltinType::LongLong: |
| 5580 | return eBasicTypeLongLong; |
| 5581 | case clang::BuiltinType::ULongLong: |
| 5582 | return eBasicTypeUnsignedLongLong; |
| 5583 | case clang::BuiltinType::Int128: |
| 5584 | return eBasicTypeInt128; |
| 5585 | case clang::BuiltinType::UInt128: |
| 5586 | return eBasicTypeUnsignedInt128; |
| 5587 | |
| 5588 | case clang::BuiltinType::Half: |
| 5589 | return eBasicTypeHalf; |
| 5590 | case clang::BuiltinType::Float: |
| 5591 | return eBasicTypeFloat; |
| 5592 | case clang::BuiltinType::Double: |
| 5593 | return eBasicTypeDouble; |
| 5594 | case clang::BuiltinType::LongDouble: |
| 5595 | return eBasicTypeLongDouble; |
| 5596 | |
| 5597 | case clang::BuiltinType::NullPtr: |
| 5598 | return eBasicTypeNullPtr; |
| 5599 | case clang::BuiltinType::ObjCId: |
| 5600 | return eBasicTypeObjCID; |
| 5601 | case clang::BuiltinType::ObjCClass: |
| 5602 | return eBasicTypeObjCClass; |
| 5603 | case clang::BuiltinType::ObjCSel: |
| 5604 | return eBasicTypeObjCSel; |
| 5605 | default: |
| 5606 | return eBasicTypeOther; |
| 5607 | } |
| 5608 | } |
| 5609 | } |
| 5610 | return eBasicTypeInvalid; |
| 5611 | } |
| 5612 | |
| 5613 | void TypeSystemClang::ForEachEnumerator( |
| 5614 | lldb::opaque_compiler_type_t type, |
| 5615 | std::function<bool(const CompilerType &integer_type, |
| 5616 | ConstString name, |
| 5617 | const llvm::APSInt &value)> const &callback) { |
| 5618 | const clang::EnumType *enum_type = |
| 5619 | llvm::dyn_cast<clang::EnumType>(GetCanonicalQualType(type)); |
| 5620 | if (enum_type) { |
| 5621 | const clang::EnumDecl *enum_decl = enum_type->getDecl(); |
| 5622 | if (enum_decl) { |
| 5623 | CompilerType integer_type = GetType(enum_decl->getIntegerType()); |
| 5624 | |
| 5625 | clang::EnumDecl::enumerator_iterator enum_pos, enum_end_pos; |
| 5626 | for (enum_pos = enum_decl->enumerator_begin(), |
| 5627 | enum_end_pos = enum_decl->enumerator_end(); |
| 5628 | enum_pos != enum_end_pos; ++enum_pos) { |
| 5629 | ConstString name(enum_pos->getNameAsString().c_str()); |
| 5630 | if (!callback(integer_type, name, enum_pos->getInitVal())) |
| 5631 | break; |
| 5632 | } |
| 5633 | } |
| 5634 | } |
| 5635 | } |
| 5636 | |
| 5637 | #pragma mark Aggregate Types |
| 5638 | |
| 5639 | uint32_t TypeSystemClang::GetNumFields(lldb::opaque_compiler_type_t type) { |
| 5640 | if (!type) |
| 5641 | return 0; |
| 5642 | |
| 5643 | uint32_t count = 0; |
| 5644 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 5645 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5646 | switch (type_class) { |
| 5647 | case clang::Type::Record: |
| 5648 | if (GetCompleteType(type)) { |
| 5649 | const clang::RecordType *record_type = |
| 5650 | llvm::dyn_cast<clang::RecordType>(qual_type.getTypePtr()); |
| 5651 | if (record_type) { |
| 5652 | clang::RecordDecl *record_decl = record_type->getDecl(); |
| 5653 | if (record_decl) { |
| 5654 | uint32_t field_idx = 0; |
| 5655 | clang::RecordDecl::field_iterator field, field_end; |
| 5656 | for (field = record_decl->field_begin(), |
| 5657 | field_end = record_decl->field_end(); |
| 5658 | field != field_end; ++field) |
| 5659 | ++field_idx; |
| 5660 | count = field_idx; |
| 5661 | } |
| 5662 | } |
| 5663 | } |
| 5664 | break; |
| 5665 | |
| 5666 | case clang::Type::ObjCObjectPointer: { |
| 5667 | const clang::ObjCObjectPointerType *objc_class_type = |
| 5668 | qual_type->castAs<clang::ObjCObjectPointerType>(); |
| 5669 | const clang::ObjCInterfaceType *objc_interface_type = |
| 5670 | objc_class_type->getInterfaceType(); |
| 5671 | if (objc_interface_type && |
| 5672 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( |
| 5673 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { |
| 5674 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5675 | objc_interface_type->getDecl(); |
| 5676 | if (class_interface_decl) { |
| 5677 | count = class_interface_decl->ivar_size(); |
| 5678 | } |
| 5679 | } |
| 5680 | break; |
| 5681 | } |
| 5682 | |
| 5683 | case clang::Type::ObjCObject: |
| 5684 | case clang::Type::ObjCInterface: |
| 5685 | if (GetCompleteType(type)) { |
| 5686 | const clang::ObjCObjectType *objc_class_type = |
| 5687 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 5688 | if (objc_class_type) { |
| 5689 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5690 | objc_class_type->getInterface(); |
| 5691 | |
| 5692 | if (class_interface_decl) |
| 5693 | count = class_interface_decl->ivar_size(); |
| 5694 | } |
| 5695 | } |
| 5696 | break; |
| 5697 | |
| 5698 | default: |
| 5699 | break; |
| 5700 | } |
| 5701 | return count; |
| 5702 | } |
| 5703 | |
| 5704 | static lldb::opaque_compiler_type_t |
| 5705 | GetObjCFieldAtIndex(clang::ASTContext *ast, |
| 5706 | clang::ObjCInterfaceDecl *class_interface_decl, size_t idx, |
| 5707 | std::string &name, uint64_t *bit_offset_ptr, |
| 5708 | uint32_t *bitfield_bit_size_ptr, bool *is_bitfield_ptr) { |
| 5709 | if (class_interface_decl) { |
| 5710 | if (idx < (class_interface_decl->ivar_size())) { |
| 5711 | clang::ObjCInterfaceDecl::ivar_iterator ivar_pos, |
| 5712 | ivar_end = class_interface_decl->ivar_end(); |
| 5713 | uint32_t ivar_idx = 0; |
| 5714 | |
| 5715 | for (ivar_pos = class_interface_decl->ivar_begin(); ivar_pos != ivar_end; |
| 5716 | ++ivar_pos, ++ivar_idx) { |
| 5717 | if (ivar_idx == idx) { |
| 5718 | const clang::ObjCIvarDecl *ivar_decl = *ivar_pos; |
| 5719 | |
| 5720 | clang::QualType ivar_qual_type(ivar_decl->getType()); |
| 5721 | |
| 5722 | name.assign(ivar_decl->getNameAsString()); |
| 5723 | |
| 5724 | if (bit_offset_ptr) { |
| 5725 | const clang::ASTRecordLayout &interface_layout = |
| 5726 | ast->getASTObjCInterfaceLayout(class_interface_decl); |
| 5727 | *bit_offset_ptr = interface_layout.getFieldOffset(ivar_idx); |
| 5728 | } |
| 5729 | |
| 5730 | const bool is_bitfield = ivar_pos->isBitField(); |
| 5731 | |
| 5732 | if (bitfield_bit_size_ptr) { |
| 5733 | *bitfield_bit_size_ptr = 0; |
| 5734 | |
| 5735 | if (is_bitfield && ast) { |
| 5736 | clang::Expr *bitfield_bit_size_expr = ivar_pos->getBitWidth(); |
| 5737 | clang::Expr::EvalResult result; |
| 5738 | if (bitfield_bit_size_expr && |
| 5739 | bitfield_bit_size_expr->EvaluateAsInt(result, *ast)) { |
| 5740 | llvm::APSInt bitfield_apsint = result.Val.getInt(); |
| 5741 | *bitfield_bit_size_ptr = bitfield_apsint.getLimitedValue(); |
| 5742 | } |
| 5743 | } |
| 5744 | } |
| 5745 | if (is_bitfield_ptr) |
| 5746 | *is_bitfield_ptr = is_bitfield; |
| 5747 | |
| 5748 | return ivar_qual_type.getAsOpaquePtr(); |
| 5749 | } |
| 5750 | } |
| 5751 | } |
| 5752 | } |
| 5753 | return nullptr; |
| 5754 | } |
| 5755 | |
| 5756 | CompilerType TypeSystemClang::GetFieldAtIndex(lldb::opaque_compiler_type_t type, |
| 5757 | size_t idx, std::string &name, |
| 5758 | uint64_t *bit_offset_ptr, |
| 5759 | uint32_t *bitfield_bit_size_ptr, |
| 5760 | bool *is_bitfield_ptr) { |
| 5761 | if (!type) |
| 5762 | return CompilerType(); |
| 5763 | |
| 5764 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 5765 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5766 | switch (type_class) { |
| 5767 | case clang::Type::Record: |
| 5768 | if (GetCompleteType(type)) { |
| 5769 | const clang::RecordType *record_type = |
| 5770 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 5771 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 5772 | uint32_t field_idx = 0; |
| 5773 | clang::RecordDecl::field_iterator field, field_end; |
| 5774 | for (field = record_decl->field_begin(), |
| 5775 | field_end = record_decl->field_end(); |
| 5776 | field != field_end; ++field, ++field_idx) { |
| 5777 | if (idx == field_idx) { |
| 5778 | // Print the member type if requested |
| 5779 | // Print the member name and equal sign |
| 5780 | name.assign(field->getNameAsString()); |
| 5781 | |
| 5782 | // Figure out the type byte size (field_type_info.first) and |
| 5783 | // alignment (field_type_info.second) from the AST context. |
| 5784 | if (bit_offset_ptr) { |
| 5785 | const clang::ASTRecordLayout &record_layout = |
| 5786 | getASTContext().getASTRecordLayout(record_decl); |
| 5787 | *bit_offset_ptr = record_layout.getFieldOffset(field_idx); |
| 5788 | } |
| 5789 | |
| 5790 | const bool is_bitfield = field->isBitField(); |
| 5791 | |
| 5792 | if (bitfield_bit_size_ptr) { |
| 5793 | *bitfield_bit_size_ptr = 0; |
| 5794 | |
| 5795 | if (is_bitfield) { |
| 5796 | clang::Expr *bitfield_bit_size_expr = field->getBitWidth(); |
| 5797 | clang::Expr::EvalResult result; |
| 5798 | if (bitfield_bit_size_expr && |
| 5799 | bitfield_bit_size_expr->EvaluateAsInt(result, |
| 5800 | getASTContext())) { |
| 5801 | llvm::APSInt bitfield_apsint = result.Val.getInt(); |
| 5802 | *bitfield_bit_size_ptr = bitfield_apsint.getLimitedValue(); |
| 5803 | } |
| 5804 | } |
| 5805 | } |
| 5806 | if (is_bitfield_ptr) |
| 5807 | *is_bitfield_ptr = is_bitfield; |
| 5808 | |
| 5809 | return GetType(field->getType()); |
| 5810 | } |
| 5811 | } |
| 5812 | } |
| 5813 | break; |
| 5814 | |
| 5815 | case clang::Type::ObjCObjectPointer: { |
| 5816 | const clang::ObjCObjectPointerType *objc_class_type = |
| 5817 | qual_type->castAs<clang::ObjCObjectPointerType>(); |
| 5818 | const clang::ObjCInterfaceType *objc_interface_type = |
| 5819 | objc_class_type->getInterfaceType(); |
| 5820 | if (objc_interface_type && |
| 5821 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( |
| 5822 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { |
| 5823 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5824 | objc_interface_type->getDecl(); |
| 5825 | if (class_interface_decl) { |
| 5826 | return CompilerType( |
| 5827 | weak_from_this(), |
| 5828 | GetObjCFieldAtIndex(&getASTContext(), class_interface_decl, idx, |
| 5829 | name, bit_offset_ptr, bitfield_bit_size_ptr, |
| 5830 | is_bitfield_ptr)); |
| 5831 | } |
| 5832 | } |
| 5833 | break; |
| 5834 | } |
| 5835 | |
| 5836 | case clang::Type::ObjCObject: |
| 5837 | case clang::Type::ObjCInterface: |
| 5838 | if (GetCompleteType(type)) { |
| 5839 | const clang::ObjCObjectType *objc_class_type = |
| 5840 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 5841 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 5841, __extension__ __PRETTY_FUNCTION__)); |
| 5842 | if (objc_class_type) { |
| 5843 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5844 | objc_class_type->getInterface(); |
| 5845 | return CompilerType( |
| 5846 | weak_from_this(), |
| 5847 | GetObjCFieldAtIndex(&getASTContext(), class_interface_decl, idx, |
| 5848 | name, bit_offset_ptr, bitfield_bit_size_ptr, |
| 5849 | is_bitfield_ptr)); |
| 5850 | } |
| 5851 | } |
| 5852 | break; |
| 5853 | |
| 5854 | default: |
| 5855 | break; |
| 5856 | } |
| 5857 | return CompilerType(); |
| 5858 | } |
| 5859 | |
| 5860 | uint32_t |
| 5861 | TypeSystemClang::GetNumDirectBaseClasses(lldb::opaque_compiler_type_t type) { |
| 5862 | uint32_t count = 0; |
| 5863 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 5864 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5865 | switch (type_class) { |
| 5866 | case clang::Type::Record: |
| 5867 | if (GetCompleteType(type)) { |
| 5868 | const clang::CXXRecordDecl *cxx_record_decl = |
| 5869 | qual_type->getAsCXXRecordDecl(); |
| 5870 | if (cxx_record_decl) |
| 5871 | count = cxx_record_decl->getNumBases(); |
| 5872 | } |
| 5873 | break; |
| 5874 | |
| 5875 | case clang::Type::ObjCObjectPointer: |
| 5876 | count = GetPointeeType(type).GetNumDirectBaseClasses(); |
| 5877 | break; |
| 5878 | |
| 5879 | case clang::Type::ObjCObject: |
| 5880 | if (GetCompleteType(type)) { |
| 5881 | const clang::ObjCObjectType *objc_class_type = |
| 5882 | qual_type->getAsObjCQualifiedInterfaceType(); |
| 5883 | if (objc_class_type) { |
| 5884 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5885 | objc_class_type->getInterface(); |
| 5886 | |
| 5887 | if (class_interface_decl && class_interface_decl->getSuperClass()) |
| 5888 | count = 1; |
| 5889 | } |
| 5890 | } |
| 5891 | break; |
| 5892 | case clang::Type::ObjCInterface: |
| 5893 | if (GetCompleteType(type)) { |
| 5894 | const clang::ObjCInterfaceType *objc_interface_type = |
| 5895 | qual_type->getAs<clang::ObjCInterfaceType>(); |
| 5896 | if (objc_interface_type) { |
| 5897 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5898 | objc_interface_type->getInterface(); |
| 5899 | |
| 5900 | if (class_interface_decl && class_interface_decl->getSuperClass()) |
| 5901 | count = 1; |
| 5902 | } |
| 5903 | } |
| 5904 | break; |
| 5905 | |
| 5906 | default: |
| 5907 | break; |
| 5908 | } |
| 5909 | return count; |
| 5910 | } |
| 5911 | |
| 5912 | uint32_t |
| 5913 | TypeSystemClang::GetNumVirtualBaseClasses(lldb::opaque_compiler_type_t type) { |
| 5914 | uint32_t count = 0; |
| 5915 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 5916 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5917 | switch (type_class) { |
| 5918 | case clang::Type::Record: |
| 5919 | if (GetCompleteType(type)) { |
| 5920 | const clang::CXXRecordDecl *cxx_record_decl = |
| 5921 | qual_type->getAsCXXRecordDecl(); |
| 5922 | if (cxx_record_decl) |
| 5923 | count = cxx_record_decl->getNumVBases(); |
| 5924 | } |
| 5925 | break; |
| 5926 | |
| 5927 | default: |
| 5928 | break; |
| 5929 | } |
| 5930 | return count; |
| 5931 | } |
| 5932 | |
| 5933 | CompilerType TypeSystemClang::GetDirectBaseClassAtIndex( |
| 5934 | lldb::opaque_compiler_type_t type, size_t idx, uint32_t *bit_offset_ptr) { |
| 5935 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 5936 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5937 | switch (type_class) { |
| 5938 | case clang::Type::Record: |
| 5939 | if (GetCompleteType(type)) { |
| 5940 | const clang::CXXRecordDecl *cxx_record_decl = |
| 5941 | qual_type->getAsCXXRecordDecl(); |
| 5942 | if (cxx_record_decl) { |
| 5943 | uint32_t curr_idx = 0; |
| 5944 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
| 5945 | base_class_end; |
| 5946 | for (base_class = cxx_record_decl->bases_begin(), |
| 5947 | base_class_end = cxx_record_decl->bases_end(); |
| 5948 | base_class != base_class_end; ++base_class, ++curr_idx) { |
| 5949 | if (curr_idx == idx) { |
| 5950 | if (bit_offset_ptr) { |
| 5951 | const clang::ASTRecordLayout &record_layout = |
| 5952 | getASTContext().getASTRecordLayout(cxx_record_decl); |
| 5953 | const clang::CXXRecordDecl *base_class_decl = |
| 5954 | llvm::cast<clang::CXXRecordDecl>( |
| 5955 | base_class->getType() |
| 5956 | ->castAs<clang::RecordType>() |
| 5957 | ->getDecl()); |
| 5958 | if (base_class->isVirtual()) |
| 5959 | *bit_offset_ptr = |
| 5960 | record_layout.getVBaseClassOffset(base_class_decl) |
| 5961 | .getQuantity() * |
| 5962 | 8; |
| 5963 | else |
| 5964 | *bit_offset_ptr = |
| 5965 | record_layout.getBaseClassOffset(base_class_decl) |
| 5966 | .getQuantity() * |
| 5967 | 8; |
| 5968 | } |
| 5969 | return GetType(base_class->getType()); |
| 5970 | } |
| 5971 | } |
| 5972 | } |
| 5973 | } |
| 5974 | break; |
| 5975 | |
| 5976 | case clang::Type::ObjCObjectPointer: |
| 5977 | return GetPointeeType(type).GetDirectBaseClassAtIndex(idx, bit_offset_ptr); |
| 5978 | |
| 5979 | case clang::Type::ObjCObject: |
| 5980 | if (idx == 0 && GetCompleteType(type)) { |
| 5981 | const clang::ObjCObjectType *objc_class_type = |
| 5982 | qual_type->getAsObjCQualifiedInterfaceType(); |
| 5983 | if (objc_class_type) { |
| 5984 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5985 | objc_class_type->getInterface(); |
| 5986 | |
| 5987 | if (class_interface_decl) { |
| 5988 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
| 5989 | class_interface_decl->getSuperClass(); |
| 5990 | if (superclass_interface_decl) { |
| 5991 | if (bit_offset_ptr) |
| 5992 | *bit_offset_ptr = 0; |
| 5993 | return GetType(getASTContext().getObjCInterfaceType( |
| 5994 | superclass_interface_decl)); |
| 5995 | } |
| 5996 | } |
| 5997 | } |
| 5998 | } |
| 5999 | break; |
| 6000 | case clang::Type::ObjCInterface: |
| 6001 | if (idx == 0 && GetCompleteType(type)) { |
| 6002 | const clang::ObjCObjectType *objc_interface_type = |
| 6003 | qual_type->getAs<clang::ObjCInterfaceType>(); |
| 6004 | if (objc_interface_type) { |
| 6005 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 6006 | objc_interface_type->getInterface(); |
| 6007 | |
| 6008 | if (class_interface_decl) { |
| 6009 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
| 6010 | class_interface_decl->getSuperClass(); |
| 6011 | if (superclass_interface_decl) { |
| 6012 | if (bit_offset_ptr) |
| 6013 | *bit_offset_ptr = 0; |
| 6014 | return GetType(getASTContext().getObjCInterfaceType( |
| 6015 | superclass_interface_decl)); |
| 6016 | } |
| 6017 | } |
| 6018 | } |
| 6019 | } |
| 6020 | break; |
| 6021 | |
| 6022 | default: |
| 6023 | break; |
| 6024 | } |
| 6025 | return CompilerType(); |
| 6026 | } |
| 6027 | |
| 6028 | CompilerType TypeSystemClang::GetVirtualBaseClassAtIndex( |
| 6029 | lldb::opaque_compiler_type_t type, size_t idx, uint32_t *bit_offset_ptr) { |
| 6030 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 6031 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 6032 | switch (type_class) { |
| 6033 | case clang::Type::Record: |
| 6034 | if (GetCompleteType(type)) { |
| 6035 | const clang::CXXRecordDecl *cxx_record_decl = |
| 6036 | qual_type->getAsCXXRecordDecl(); |
| 6037 | if (cxx_record_decl) { |
| 6038 | uint32_t curr_idx = 0; |
| 6039 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
| 6040 | base_class_end; |
| 6041 | for (base_class = cxx_record_decl->vbases_begin(), |
| 6042 | base_class_end = cxx_record_decl->vbases_end(); |
| 6043 | base_class != base_class_end; ++base_class, ++curr_idx) { |
| 6044 | if (curr_idx == idx) { |
| 6045 | if (bit_offset_ptr) { |
| 6046 | const clang::ASTRecordLayout &record_layout = |
| 6047 | getASTContext().getASTRecordLayout(cxx_record_decl); |
| 6048 | const clang::CXXRecordDecl *base_class_decl = |
| 6049 | llvm::cast<clang::CXXRecordDecl>( |
| 6050 | base_class->getType() |
| 6051 | ->castAs<clang::RecordType>() |
| 6052 | ->getDecl()); |
| 6053 | *bit_offset_ptr = |
| 6054 | record_layout.getVBaseClassOffset(base_class_decl) |
| 6055 | .getQuantity() * |
| 6056 | 8; |
| 6057 | } |
| 6058 | return GetType(base_class->getType()); |
| 6059 | } |
| 6060 | } |
| 6061 | } |
| 6062 | } |
| 6063 | break; |
| 6064 | |
| 6065 | default: |
| 6066 | break; |
| 6067 | } |
| 6068 | return CompilerType(); |
| 6069 | } |
| 6070 | |
| 6071 | // If a pointer to a pointee type (the clang_type arg) says that it has no |
| 6072 | // children, then we either need to trust it, or override it and return a |
| 6073 | // different result. For example, an "int *" has one child that is an integer, |
| 6074 | // but a function pointer doesn't have any children. Likewise if a Record type |
| 6075 | // claims it has no children, then there really is nothing to show. |
| 6076 | uint32_t TypeSystemClang::GetNumPointeeChildren(clang::QualType type) { |
| 6077 | if (type.isNull()) |
| 6078 | return 0; |
| 6079 | |
| 6080 | clang::QualType qual_type = RemoveWrappingTypes(type.getCanonicalType()); |
| 6081 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 6082 | switch (type_class) { |
| 6083 | case clang::Type::Builtin: |
| 6084 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 6085 | case clang::BuiltinType::UnknownAny: |
| 6086 | case clang::BuiltinType::Void: |
| 6087 | case clang::BuiltinType::NullPtr: |
| 6088 | case clang::BuiltinType::OCLEvent: |
| 6089 | case clang::BuiltinType::OCLImage1dRO: |
| 6090 | case clang::BuiltinType::OCLImage1dWO: |
| 6091 | case clang::BuiltinType::OCLImage1dRW: |
| 6092 | case clang::BuiltinType::OCLImage1dArrayRO: |
| 6093 | case clang::BuiltinType::OCLImage1dArrayWO: |
| 6094 | case clang::BuiltinType::OCLImage1dArrayRW: |
| 6095 | case clang::BuiltinType::OCLImage1dBufferRO: |
| 6096 | case clang::BuiltinType::OCLImage1dBufferWO: |
| 6097 | case clang::BuiltinType::OCLImage1dBufferRW: |
| 6098 | case clang::BuiltinType::OCLImage2dRO: |
| 6099 | case clang::BuiltinType::OCLImage2dWO: |
| 6100 | case clang::BuiltinType::OCLImage2dRW: |
| 6101 | case clang::BuiltinType::OCLImage2dArrayRO: |
| 6102 | case clang::BuiltinType::OCLImage2dArrayWO: |
| 6103 | case clang::BuiltinType::OCLImage2dArrayRW: |
| 6104 | case clang::BuiltinType::OCLImage3dRO: |
| 6105 | case clang::BuiltinType::OCLImage3dWO: |
| 6106 | case clang::BuiltinType::OCLImage3dRW: |
| 6107 | case clang::BuiltinType::OCLSampler: |
| 6108 | return 0; |
| 6109 | case clang::BuiltinType::Bool: |
| 6110 | case clang::BuiltinType::Char_U: |
| 6111 | case clang::BuiltinType::UChar: |
| 6112 | case clang::BuiltinType::WChar_U: |
| 6113 | case clang::BuiltinType::Char16: |
| 6114 | case clang::BuiltinType::Char32: |
| 6115 | case clang::BuiltinType::UShort: |
| 6116 | case clang::BuiltinType::UInt: |
| 6117 | case clang::BuiltinType::ULong: |
| 6118 | case clang::BuiltinType::ULongLong: |
| 6119 | case clang::BuiltinType::UInt128: |
| 6120 | case clang::BuiltinType::Char_S: |
| 6121 | case clang::BuiltinType::SChar: |
| 6122 | case clang::BuiltinType::WChar_S: |
| 6123 | case clang::BuiltinType::Short: |
| 6124 | case clang::BuiltinType::Int: |
| 6125 | case clang::BuiltinType::Long: |
| 6126 | case clang::BuiltinType::LongLong: |
| 6127 | case clang::BuiltinType::Int128: |
| 6128 | case clang::BuiltinType::Float: |
| 6129 | case clang::BuiltinType::Double: |
| 6130 | case clang::BuiltinType::LongDouble: |
| 6131 | case clang::BuiltinType::Dependent: |
| 6132 | case clang::BuiltinType::Overload: |
| 6133 | case clang::BuiltinType::ObjCId: |
| 6134 | case clang::BuiltinType::ObjCClass: |
| 6135 | case clang::BuiltinType::ObjCSel: |
| 6136 | case clang::BuiltinType::BoundMember: |
| 6137 | case clang::BuiltinType::Half: |
| 6138 | case clang::BuiltinType::ARCUnbridgedCast: |
| 6139 | case clang::BuiltinType::PseudoObject: |
| 6140 | case clang::BuiltinType::BuiltinFn: |
| 6141 | case clang::BuiltinType::OMPArraySection: |
| 6142 | return 1; |
| 6143 | default: |
| 6144 | return 0; |
| 6145 | } |
| 6146 | break; |
| 6147 | |
| 6148 | case clang::Type::Complex: |
| 6149 | return 1; |
| 6150 | case clang::Type::Pointer: |
| 6151 | return 1; |
| 6152 | case clang::Type::BlockPointer: |
| 6153 | return 0; // If block pointers don't have debug info, then no children for |
| 6154 | // them |
| 6155 | case clang::Type::LValueReference: |
| 6156 | return 1; |
| 6157 | case clang::Type::RValueReference: |
| 6158 | return 1; |
| 6159 | case clang::Type::MemberPointer: |
| 6160 | return 0; |
| 6161 | case clang::Type::ConstantArray: |
| 6162 | return 0; |
| 6163 | case clang::Type::IncompleteArray: |
| 6164 | return 0; |
| 6165 | case clang::Type::VariableArray: |
| 6166 | return 0; |
| 6167 | case clang::Type::DependentSizedArray: |
| 6168 | return 0; |
| 6169 | case clang::Type::DependentSizedExtVector: |
| 6170 | return 0; |
| 6171 | case clang::Type::Vector: |
| 6172 | return 0; |
| 6173 | case clang::Type::ExtVector: |
| 6174 | return 0; |
| 6175 | case clang::Type::FunctionProto: |
| 6176 | return 0; // When we function pointers, they have no children... |
| 6177 | case clang::Type::FunctionNoProto: |
| 6178 | return 0; // When we function pointers, they have no children... |
| 6179 | case clang::Type::UnresolvedUsing: |
| 6180 | return 0; |
| 6181 | case clang::Type::Record: |
| 6182 | return 0; |
| 6183 | case clang::Type::Enum: |
| 6184 | return 1; |
| 6185 | case clang::Type::TemplateTypeParm: |
| 6186 | return 1; |
| 6187 | case clang::Type::SubstTemplateTypeParm: |
| 6188 | return 1; |
| 6189 | case clang::Type::TemplateSpecialization: |
| 6190 | return 1; |
| 6191 | case clang::Type::InjectedClassName: |
| 6192 | return 0; |
| 6193 | case clang::Type::DependentName: |
| 6194 | return 1; |
| 6195 | case clang::Type::DependentTemplateSpecialization: |
| 6196 | return 1; |
| 6197 | case clang::Type::ObjCObject: |
| 6198 | return 0; |
| 6199 | case clang::Type::ObjCInterface: |
| 6200 | return 0; |
| 6201 | case clang::Type::ObjCObjectPointer: |
| 6202 | return 1; |
| 6203 | default: |
| 6204 | break; |
| 6205 | } |
| 6206 | return 0; |
| 6207 | } |
| 6208 | |
| 6209 | CompilerType TypeSystemClang::GetChildCompilerTypeAtIndex( |
| 6210 | lldb::opaque_compiler_type_t type, ExecutionContext *exe_ctx, size_t idx, |
| 6211 | bool transparent_pointers, bool omit_empty_base_classes, |
| 6212 | bool ignore_array_bounds, std::string &child_name, |
| 6213 | uint32_t &child_byte_size, int32_t &child_byte_offset, |
| 6214 | uint32_t &child_bitfield_bit_size, uint32_t &child_bitfield_bit_offset, |
| 6215 | bool &child_is_base_class, bool &child_is_deref_of_parent, |
| 6216 | ValueObject *valobj, uint64_t &language_flags) { |
| 6217 | if (!type) |
| 6218 | return CompilerType(); |
| 6219 | |
| 6220 | auto get_exe_scope = [&exe_ctx]() { |
| 6221 | return exe_ctx ? exe_ctx->GetBestExecutionContextScope() : nullptr; |
| 6222 | }; |
| 6223 | |
| 6224 | clang::QualType parent_qual_type( |
| 6225 | RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 6226 | const clang::Type::TypeClass parent_type_class = |
| 6227 | parent_qual_type->getTypeClass(); |
| 6228 | child_bitfield_bit_size = 0; |
| 6229 | child_bitfield_bit_offset = 0; |
| 6230 | child_is_base_class = false; |
| 6231 | language_flags = 0; |
| 6232 | |
| 6233 | const bool idx_is_valid = |
| 6234 | idx < GetNumChildren(type, omit_empty_base_classes, exe_ctx); |
| 6235 | int32_t bit_offset; |
| 6236 | switch (parent_type_class) { |
| 6237 | case clang::Type::Builtin: |
| 6238 | if (idx_is_valid) { |
| 6239 | switch (llvm::cast<clang::BuiltinType>(parent_qual_type)->getKind()) { |
| 6240 | case clang::BuiltinType::ObjCId: |
| 6241 | case clang::BuiltinType::ObjCClass: |
| 6242 | child_name = "isa"; |
| 6243 | child_byte_size = |
| 6244 | getASTContext().getTypeSize(getASTContext().ObjCBuiltinClassTy) / |
| 6245 | CHAR_BIT8; |
| 6246 | return GetType(getASTContext().ObjCBuiltinClassTy); |
| 6247 | |
| 6248 | default: |
| 6249 | break; |
| 6250 | } |
| 6251 | } |
| 6252 | break; |
| 6253 | |
| 6254 | case clang::Type::Record: |
| 6255 | if (idx_is_valid && GetCompleteType(type)) { |
| 6256 | const clang::RecordType *record_type = |
| 6257 | llvm::cast<clang::RecordType>(parent_qual_type.getTypePtr()); |
| 6258 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 6259 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 6259, __extension__ __PRETTY_FUNCTION__)); |
| 6260 | const clang::ASTRecordLayout &record_layout = |
| 6261 | getASTContext().getASTRecordLayout(record_decl); |
| 6262 | uint32_t child_idx = 0; |
| 6263 | |
| 6264 | const clang::CXXRecordDecl *cxx_record_decl = |
| 6265 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 6266 | if (cxx_record_decl) { |
| 6267 | // We might have base classes to print out first |
| 6268 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
| 6269 | base_class_end; |
| 6270 | for (base_class = cxx_record_decl->bases_begin(), |
| 6271 | base_class_end = cxx_record_decl->bases_end(); |
| 6272 | base_class != base_class_end; ++base_class) { |
| 6273 | const clang::CXXRecordDecl *base_class_decl = nullptr; |
| 6274 | |
| 6275 | // Skip empty base classes |
| 6276 | if (omit_empty_base_classes) { |
| 6277 | base_class_decl = llvm::cast<clang::CXXRecordDecl>( |
| 6278 | base_class->getType()->getAs<clang::RecordType>()->getDecl()); |
| 6279 | if (!TypeSystemClang::RecordHasFields(base_class_decl)) |
| 6280 | continue; |
| 6281 | } |
| 6282 | |
| 6283 | if (idx == child_idx) { |
| 6284 | if (base_class_decl == nullptr) |
| 6285 | base_class_decl = llvm::cast<clang::CXXRecordDecl>( |
| 6286 | base_class->getType()->getAs<clang::RecordType>()->getDecl()); |
| 6287 | |
| 6288 | if (base_class->isVirtual()) { |
| 6289 | bool handled = false; |
| 6290 | if (valobj) { |
| 6291 | clang::VTableContextBase *vtable_ctx = |
| 6292 | getASTContext().getVTableContext(); |
| 6293 | if (vtable_ctx) |
| 6294 | handled = GetVBaseBitOffset(*vtable_ctx, *valobj, |
| 6295 | record_layout, cxx_record_decl, |
| 6296 | base_class_decl, bit_offset); |
| 6297 | } |
| 6298 | if (!handled) |
| 6299 | bit_offset = record_layout.getVBaseClassOffset(base_class_decl) |
| 6300 | .getQuantity() * |
| 6301 | 8; |
| 6302 | } else |
| 6303 | bit_offset = record_layout.getBaseClassOffset(base_class_decl) |
| 6304 | .getQuantity() * |
| 6305 | 8; |
| 6306 | |
| 6307 | // Base classes should be a multiple of 8 bits in size |
| 6308 | child_byte_offset = bit_offset / 8; |
| 6309 | CompilerType base_class_clang_type = GetType(base_class->getType()); |
| 6310 | child_name = base_class_clang_type.GetTypeName().AsCString(""); |
| 6311 | std::optional<uint64_t> size = |
| 6312 | base_class_clang_type.GetBitSize(get_exe_scope()); |
| 6313 | if (!size) |
| 6314 | return {}; |
| 6315 | uint64_t base_class_clang_type_bit_size = *size; |
| 6316 | |
| 6317 | // Base classes bit sizes should be a multiple of 8 bits in size |
| 6318 | assert(base_class_clang_type_bit_size % 8 == 0)(static_cast <bool> (base_class_clang_type_bit_size % 8 == 0) ? void (0) : __assert_fail ("base_class_clang_type_bit_size % 8 == 0" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 6318, __extension__ __PRETTY_FUNCTION__)); |
| 6319 | child_byte_size = base_class_clang_type_bit_size / 8; |
| 6320 | child_is_base_class = true; |
| 6321 | return base_class_clang_type; |
| 6322 | } |
| 6323 | // We don't increment the child index in the for loop since we might |
| 6324 | // be skipping empty base classes |
| 6325 | ++child_idx; |
| 6326 | } |
| 6327 | } |
| 6328 | // Make sure index is in range... |
| 6329 | uint32_t field_idx = 0; |
| 6330 | clang::RecordDecl::field_iterator field, field_end; |
| 6331 | for (field = record_decl->field_begin(), |
| 6332 | field_end = record_decl->field_end(); |
| 6333 | field != field_end; ++field, ++field_idx, ++child_idx) { |
| 6334 | if (idx == child_idx) { |
| 6335 | // Print the member type if requested |
| 6336 | // Print the member name and equal sign |
| 6337 | child_name.assign(field->getNameAsString()); |
| 6338 | |
| 6339 | // Figure out the type byte size (field_type_info.first) and |
| 6340 | // alignment (field_type_info.second) from the AST context. |
| 6341 | CompilerType field_clang_type = GetType(field->getType()); |
| 6342 | assert(field_idx < record_layout.getFieldCount())(static_cast <bool> (field_idx < record_layout.getFieldCount ()) ? void (0) : __assert_fail ("field_idx < record_layout.getFieldCount()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 6342, __extension__ __PRETTY_FUNCTION__)); |
| 6343 | std::optional<uint64_t> size = |
| 6344 | field_clang_type.GetByteSize(get_exe_scope()); |
| 6345 | if (!size) |
| 6346 | return {}; |
| 6347 | child_byte_size = *size; |
| 6348 | const uint32_t child_bit_size = child_byte_size * 8; |
| 6349 | |
| 6350 | // Figure out the field offset within the current struct/union/class |
| 6351 | // type |
| 6352 | bit_offset = record_layout.getFieldOffset(field_idx); |
| 6353 | if (FieldIsBitfield(*field, child_bitfield_bit_size)) { |
| 6354 | child_bitfield_bit_offset = bit_offset % child_bit_size; |
| 6355 | const uint32_t child_bit_offset = |
| 6356 | bit_offset - child_bitfield_bit_offset; |
| 6357 | child_byte_offset = child_bit_offset / 8; |
| 6358 | } else { |
| 6359 | child_byte_offset = bit_offset / 8; |
| 6360 | } |
| 6361 | |
| 6362 | return field_clang_type; |
| 6363 | } |
| 6364 | } |
| 6365 | } |
| 6366 | break; |
| 6367 | |
| 6368 | case clang::Type::ObjCObject: |
| 6369 | case clang::Type::ObjCInterface: |
| 6370 | if (idx_is_valid && GetCompleteType(type)) { |
| 6371 | const clang::ObjCObjectType *objc_class_type = |
| 6372 | llvm::dyn_cast<clang::ObjCObjectType>(parent_qual_type.getTypePtr()); |
| 6373 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 6373, __extension__ __PRETTY_FUNCTION__)); |
| 6374 | if (objc_class_type) { |
| 6375 | uint32_t child_idx = 0; |
| 6376 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 6377 | objc_class_type->getInterface(); |
| 6378 | |
| 6379 | if (class_interface_decl) { |
| 6380 | |
| 6381 | const clang::ASTRecordLayout &interface_layout = |
| 6382 | getASTContext().getASTObjCInterfaceLayout(class_interface_decl); |
| 6383 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
| 6384 | class_interface_decl->getSuperClass(); |
| 6385 | if (superclass_interface_decl) { |
| 6386 | if (omit_empty_base_classes) { |
| 6387 | CompilerType base_class_clang_type = |
| 6388 | GetType(getASTContext().getObjCInterfaceType( |
| 6389 | superclass_interface_decl)); |
| 6390 | if (base_class_clang_type.GetNumChildren(omit_empty_base_classes, |
| 6391 | exe_ctx) > 0) { |
| 6392 | if (idx == 0) { |
| 6393 | clang::QualType ivar_qual_type( |
| 6394 | getASTContext().getObjCInterfaceType( |
| 6395 | superclass_interface_decl)); |
| 6396 | |
| 6397 | child_name.assign( |
| 6398 | superclass_interface_decl->getNameAsString()); |
| 6399 | |
| 6400 | clang::TypeInfo ivar_type_info = |
| 6401 | getASTContext().getTypeInfo(ivar_qual_type.getTypePtr()); |
| 6402 | |
| 6403 | child_byte_size = ivar_type_info.Width / 8; |
| 6404 | child_byte_offset = 0; |
| 6405 | child_is_base_class = true; |
| 6406 | |
| 6407 | return GetType(ivar_qual_type); |
| 6408 | } |
| 6409 | |
| 6410 | ++child_idx; |
| 6411 | } |
| 6412 | } else |
| 6413 | ++child_idx; |
| 6414 | } |
| 6415 | |
| 6416 | const uint32_t superclass_idx = child_idx; |
| 6417 | |
| 6418 | if (idx < (child_idx + class_interface_decl->ivar_size())) { |
| 6419 | clang::ObjCInterfaceDecl::ivar_iterator ivar_pos, |
| 6420 | ivar_end = class_interface_decl->ivar_end(); |
| 6421 | |
| 6422 | for (ivar_pos = class_interface_decl->ivar_begin(); |
| 6423 | ivar_pos != ivar_end; ++ivar_pos) { |
| 6424 | if (child_idx == idx) { |
| 6425 | clang::ObjCIvarDecl *ivar_decl = *ivar_pos; |
| 6426 | |
| 6427 | clang::QualType ivar_qual_type(ivar_decl->getType()); |
| 6428 | |
| 6429 | child_name.assign(ivar_decl->getNameAsString()); |
| 6430 | |
| 6431 | clang::TypeInfo ivar_type_info = |
| 6432 | getASTContext().getTypeInfo(ivar_qual_type.getTypePtr()); |
| 6433 | |
| 6434 | child_byte_size = ivar_type_info.Width / 8; |
| 6435 | |
| 6436 | // Figure out the field offset within the current |
| 6437 | // struct/union/class type For ObjC objects, we can't trust the |
| 6438 | // bit offset we get from the Clang AST, since that doesn't |
| 6439 | // account for the space taken up by unbacked properties, or |
| 6440 | // from the changing size of base classes that are newer than |
| 6441 | // this class. So if we have a process around that we can ask |
| 6442 | // about this object, do so. |
| 6443 | child_byte_offset = LLDB_INVALID_IVAR_OFFSET(4294967295U); |
| 6444 | Process *process = nullptr; |
| 6445 | if (exe_ctx) |
| 6446 | process = exe_ctx->GetProcessPtr(); |
| 6447 | if (process) { |
| 6448 | ObjCLanguageRuntime *objc_runtime = |
| 6449 | ObjCLanguageRuntime::Get(*process); |
| 6450 | if (objc_runtime != nullptr) { |
| 6451 | CompilerType parent_ast_type = GetType(parent_qual_type); |
| 6452 | child_byte_offset = objc_runtime->GetByteOffsetForIvar( |
| 6453 | parent_ast_type, ivar_decl->getNameAsString().c_str()); |
| 6454 | } |
| 6455 | } |
| 6456 | |
| 6457 | // Setting this to INT32_MAX to make sure we don't compute it |
| 6458 | // twice... |
| 6459 | bit_offset = INT32_MAX(2147483647); |
| 6460 | |
| 6461 | if (child_byte_offset == |
| 6462 | static_cast<int32_t>(LLDB_INVALID_IVAR_OFFSET(4294967295U))) { |
| 6463 | bit_offset = interface_layout.getFieldOffset(child_idx - |
| 6464 | superclass_idx); |
| 6465 | child_byte_offset = bit_offset / 8; |
| 6466 | } |
| 6467 | |
| 6468 | // Note, the ObjC Ivar Byte offset is just that, it doesn't |
| 6469 | // account for the bit offset of a bitfield within its |
| 6470 | // containing object. So regardless of where we get the byte |
| 6471 | // offset from, we still need to get the bit offset for |
| 6472 | // bitfields from the layout. |
| 6473 | |
| 6474 | if (FieldIsBitfield(ivar_decl, child_bitfield_bit_size)) { |
| 6475 | if (bit_offset == INT32_MAX(2147483647)) |
| 6476 | bit_offset = interface_layout.getFieldOffset( |
| 6477 | child_idx - superclass_idx); |
| 6478 | |
| 6479 | child_bitfield_bit_offset = bit_offset % 8; |
| 6480 | } |
| 6481 | return GetType(ivar_qual_type); |
| 6482 | } |
| 6483 | ++child_idx; |
| 6484 | } |
| 6485 | } |
| 6486 | } |
| 6487 | } |
| 6488 | } |
| 6489 | break; |
| 6490 | |
| 6491 | case clang::Type::ObjCObjectPointer: |
| 6492 | if (idx_is_valid) { |
| 6493 | CompilerType pointee_clang_type(GetPointeeType(type)); |
| 6494 | |
| 6495 | if (transparent_pointers && pointee_clang_type.IsAggregateType()) { |
| 6496 | child_is_deref_of_parent = false; |
| 6497 | bool tmp_child_is_deref_of_parent = false; |
| 6498 | return pointee_clang_type.GetChildCompilerTypeAtIndex( |
| 6499 | exe_ctx, idx, transparent_pointers, omit_empty_base_classes, |
| 6500 | ignore_array_bounds, child_name, child_byte_size, child_byte_offset, |
| 6501 | child_bitfield_bit_size, child_bitfield_bit_offset, |
| 6502 | child_is_base_class, tmp_child_is_deref_of_parent, valobj, |
| 6503 | language_flags); |
| 6504 | } else { |
| 6505 | child_is_deref_of_parent = true; |
| 6506 | const char *parent_name = |
| 6507 | valobj ? valobj->GetName().GetCString() : nullptr; |
| 6508 | if (parent_name) { |
| 6509 | child_name.assign(1, '*'); |
| 6510 | child_name += parent_name; |
| 6511 | } |
| 6512 | |
| 6513 | // We have a pointer to an simple type |
| 6514 | if (idx == 0 && pointee_clang_type.GetCompleteType()) { |
| 6515 | if (std::optional<uint64_t> size = |
| 6516 | pointee_clang_type.GetByteSize(get_exe_scope())) { |
| 6517 | child_byte_size = *size; |
| 6518 | child_byte_offset = 0; |
| 6519 | return pointee_clang_type; |
| 6520 | } |
| 6521 | } |
| 6522 | } |
| 6523 | } |
| 6524 | break; |
| 6525 | |
| 6526 | case clang::Type::Vector: |
| 6527 | case clang::Type::ExtVector: |
| 6528 | if (idx_is_valid) { |
| 6529 | const clang::VectorType *array = |
| 6530 | llvm::cast<clang::VectorType>(parent_qual_type.getTypePtr()); |
| 6531 | if (array) { |
| 6532 | CompilerType element_type = GetType(array->getElementType()); |
| 6533 | if (element_type.GetCompleteType()) { |
| 6534 | char element_name[64]; |
| 6535 | ::snprintf(element_name, sizeof(element_name), "[%" PRIu64"l" "u" "]", |
| 6536 | static_cast<uint64_t>(idx)); |
| 6537 | child_name.assign(element_name); |
| 6538 | if (std::optional<uint64_t> size = |
| 6539 | element_type.GetByteSize(get_exe_scope())) { |
| 6540 | child_byte_size = *size; |
| 6541 | child_byte_offset = (int32_t)idx * (int32_t)child_byte_size; |
| 6542 | return element_type; |
| 6543 | } |
| 6544 | } |
| 6545 | } |
| 6546 | } |
| 6547 | break; |
| 6548 | |
| 6549 | case clang::Type::ConstantArray: |
| 6550 | case clang::Type::IncompleteArray: |
| 6551 | if (ignore_array_bounds || idx_is_valid) { |
| 6552 | const clang::ArrayType *array = GetQualType(type)->getAsArrayTypeUnsafe(); |
| 6553 | if (array) { |
| 6554 | CompilerType element_type = GetType(array->getElementType()); |
| 6555 | if (element_type.GetCompleteType()) { |
| 6556 | child_name = std::string(llvm::formatv("[{0}]", idx)); |
| 6557 | if (std::optional<uint64_t> size = |
| 6558 | element_type.GetByteSize(get_exe_scope())) { |
| 6559 | child_byte_size = *size; |
| 6560 | child_byte_offset = (int32_t)idx * (int32_t)child_byte_size; |
| 6561 | return element_type; |
| 6562 | } |
| 6563 | } |
| 6564 | } |
| 6565 | } |
| 6566 | break; |
| 6567 | |
| 6568 | case clang::Type::Pointer: { |
| 6569 | CompilerType pointee_clang_type(GetPointeeType(type)); |
| 6570 | |
| 6571 | // Don't dereference "void *" pointers |
| 6572 | if (pointee_clang_type.IsVoidType()) |
| 6573 | return CompilerType(); |
| 6574 | |
| 6575 | if (transparent_pointers && pointee_clang_type.IsAggregateType()) { |
| 6576 | child_is_deref_of_parent = false; |
| 6577 | bool tmp_child_is_deref_of_parent = false; |
| 6578 | return pointee_clang_type.GetChildCompilerTypeAtIndex( |
| 6579 | exe_ctx, idx, transparent_pointers, omit_empty_base_classes, |
| 6580 | ignore_array_bounds, child_name, child_byte_size, child_byte_offset, |
| 6581 | child_bitfield_bit_size, child_bitfield_bit_offset, |
| 6582 | child_is_base_class, tmp_child_is_deref_of_parent, valobj, |
| 6583 | language_flags); |
| 6584 | } else { |
| 6585 | child_is_deref_of_parent = true; |
| 6586 | |
| 6587 | const char *parent_name = |
| 6588 | valobj ? valobj->GetName().GetCString() : nullptr; |
| 6589 | if (parent_name) { |
| 6590 | child_name.assign(1, '*'); |
| 6591 | child_name += parent_name; |
| 6592 | } |
| 6593 | |
| 6594 | // We have a pointer to an simple type |
| 6595 | if (idx == 0) { |
| 6596 | if (std::optional<uint64_t> size = |
| 6597 | pointee_clang_type.GetByteSize(get_exe_scope())) { |
| 6598 | child_byte_size = *size; |
| 6599 | child_byte_offset = 0; |
| 6600 | return pointee_clang_type; |
| 6601 | } |
| 6602 | } |
| 6603 | } |
| 6604 | break; |
| 6605 | } |
| 6606 | |
| 6607 | case clang::Type::LValueReference: |
| 6608 | case clang::Type::RValueReference: |
| 6609 | if (idx_is_valid) { |
| 6610 | const clang::ReferenceType *reference_type = |
| 6611 | llvm::cast<clang::ReferenceType>( |
| 6612 | RemoveWrappingTypes(GetQualType(type)).getTypePtr()); |
| 6613 | CompilerType pointee_clang_type = |
| 6614 | GetType(reference_type->getPointeeType()); |
| 6615 | if (transparent_pointers && pointee_clang_type.IsAggregateType()) { |
| 6616 | child_is_deref_of_parent = false; |
| 6617 | bool tmp_child_is_deref_of_parent = false; |
| 6618 | return pointee_clang_type.GetChildCompilerTypeAtIndex( |
| 6619 | exe_ctx, idx, transparent_pointers, omit_empty_base_classes, |
| 6620 | ignore_array_bounds, child_name, child_byte_size, child_byte_offset, |
| 6621 | child_bitfield_bit_size, child_bitfield_bit_offset, |
| 6622 | child_is_base_class, tmp_child_is_deref_of_parent, valobj, |
| 6623 | language_flags); |
| 6624 | } else { |
| 6625 | const char *parent_name = |
| 6626 | valobj ? valobj->GetName().GetCString() : nullptr; |
| 6627 | if (parent_name) { |
| 6628 | child_name.assign(1, '&'); |
| 6629 | child_name += parent_name; |
| 6630 | } |
| 6631 | |
| 6632 | // We have a pointer to an simple type |
| 6633 | if (idx == 0) { |
| 6634 | if (std::optional<uint64_t> size = |
| 6635 | pointee_clang_type.GetByteSize(get_exe_scope())) { |
| 6636 | child_byte_size = *size; |
| 6637 | child_byte_offset = 0; |
| 6638 | return pointee_clang_type; |
| 6639 | } |
| 6640 | } |
| 6641 | } |
| 6642 | } |
| 6643 | break; |
| 6644 | |
| 6645 | default: |
| 6646 | break; |
| 6647 | } |
| 6648 | return CompilerType(); |
| 6649 | } |
| 6650 | |
| 6651 | uint32_t TypeSystemClang::GetIndexForRecordBase( |
| 6652 | const clang::RecordDecl *record_decl, |
| 6653 | const clang::CXXBaseSpecifier *base_spec, |
| 6654 | bool omit_empty_base_classes) { |
| 6655 | uint32_t child_idx = 0; |
| 6656 | |
| 6657 | const clang::CXXRecordDecl *cxx_record_decl = |
| 6658 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 6659 | |
| 6660 | if (cxx_record_decl) { |
| 6661 | clang::CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
| 6662 | for (base_class = cxx_record_decl->bases_begin(), |
| 6663 | base_class_end = cxx_record_decl->bases_end(); |
| 6664 | base_class != base_class_end; ++base_class) { |
| 6665 | if (omit_empty_base_classes) { |
| 6666 | if (BaseSpecifierIsEmpty(base_class)) |
| 6667 | continue; |
| 6668 | } |
| 6669 | |
| 6670 | if (base_class == base_spec) |
| 6671 | return child_idx; |
| 6672 | ++child_idx; |
| 6673 | } |
| 6674 | } |
| 6675 | |
| 6676 | return UINT32_MAX(4294967295U); |
| 6677 | } |
| 6678 | |
| 6679 | uint32_t TypeSystemClang::GetIndexForRecordChild( |
| 6680 | const clang::RecordDecl *record_decl, clang::NamedDecl *canonical_decl, |
| 6681 | bool omit_empty_base_classes) { |
| 6682 | uint32_t child_idx = TypeSystemClang::GetNumBaseClasses( |
| 6683 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl), |
| 6684 | omit_empty_base_classes); |
| 6685 | |
| 6686 | clang::RecordDecl::field_iterator field, field_end; |
| 6687 | for (field = record_decl->field_begin(), field_end = record_decl->field_end(); |
| 6688 | field != field_end; ++field, ++child_idx) { |
| 6689 | if (field->getCanonicalDecl() == canonical_decl) |
| 6690 | return child_idx; |
| 6691 | } |
| 6692 | |
| 6693 | return UINT32_MAX(4294967295U); |
| 6694 | } |
| 6695 | |
| 6696 | // Look for a child member (doesn't include base classes, but it does include |
| 6697 | // their members) in the type hierarchy. Returns an index path into |
| 6698 | // "clang_type" on how to reach the appropriate member. |
| 6699 | // |
| 6700 | // class A |
| 6701 | // { |
| 6702 | // public: |
| 6703 | // int m_a; |
| 6704 | // int m_b; |
| 6705 | // }; |
| 6706 | // |
| 6707 | // class B |
| 6708 | // { |
| 6709 | // }; |
| 6710 | // |
| 6711 | // class C : |
| 6712 | // public B, |
| 6713 | // public A |
| 6714 | // { |
| 6715 | // }; |
| 6716 | // |
| 6717 | // If we have a clang type that describes "class C", and we wanted to looked |
| 6718 | // "m_b" in it: |
| 6719 | // |
| 6720 | // With omit_empty_base_classes == false we would get an integer array back |
| 6721 | // with: { 1, 1 } The first index 1 is the child index for "class A" within |
| 6722 | // class C The second index 1 is the child index for "m_b" within class A |
| 6723 | // |
| 6724 | // With omit_empty_base_classes == true we would get an integer array back |
| 6725 | // with: { 0, 1 } The first index 0 is the child index for "class A" within |
| 6726 | // class C (since class B doesn't have any members it doesn't count) The second |
| 6727 | // index 1 is the child index for "m_b" within class A |
| 6728 | |
| 6729 | size_t TypeSystemClang::GetIndexOfChildMemberWithName( |
| 6730 | lldb::opaque_compiler_type_t type, const char *name, |
| 6731 | bool omit_empty_base_classes, std::vector<uint32_t> &child_indexes) { |
| 6732 | if (type && name && name[0]) { |
| 6733 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 6734 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 6735 | switch (type_class) { |
| 6736 | case clang::Type::Record: |
| 6737 | if (GetCompleteType(type)) { |
| 6738 | const clang::RecordType *record_type = |
| 6739 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 6740 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 6741 | |
| 6742 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 6742, __extension__ __PRETTY_FUNCTION__)); |
| 6743 | uint32_t child_idx = 0; |
| 6744 | |
| 6745 | const clang::CXXRecordDecl *cxx_record_decl = |
| 6746 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 6747 | |
| 6748 | // Try and find a field that matches NAME |
| 6749 | clang::RecordDecl::field_iterator field, field_end; |
| 6750 | llvm::StringRef name_sref(name); |
| 6751 | for (field = record_decl->field_begin(), |
| 6752 | field_end = record_decl->field_end(); |
| 6753 | field != field_end; ++field, ++child_idx) { |
| 6754 | llvm::StringRef field_name = field->getName(); |
| 6755 | if (field_name.empty()) { |
| 6756 | CompilerType field_type = GetType(field->getType()); |
| 6757 | child_indexes.push_back(child_idx); |
| 6758 | if (field_type.GetIndexOfChildMemberWithName( |
| 6759 | name, omit_empty_base_classes, child_indexes)) |
| 6760 | return child_indexes.size(); |
| 6761 | child_indexes.pop_back(); |
| 6762 | |
| 6763 | } else if (field_name.equals(name_sref)) { |
| 6764 | // We have to add on the number of base classes to this index! |
| 6765 | child_indexes.push_back( |
| 6766 | child_idx + TypeSystemClang::GetNumBaseClasses( |
| 6767 | cxx_record_decl, omit_empty_base_classes)); |
| 6768 | return child_indexes.size(); |
| 6769 | } |
| 6770 | } |
| 6771 | |
| 6772 | if (cxx_record_decl) { |
| 6773 | const clang::RecordDecl *parent_record_decl = cxx_record_decl; |
| 6774 | |
| 6775 | // Didn't find things easily, lets let clang do its thang... |
| 6776 | clang::IdentifierInfo &ident_ref = |
| 6777 | getASTContext().Idents.get(name_sref); |
| 6778 | clang::DeclarationName decl_name(&ident_ref); |
| 6779 | |
| 6780 | clang::CXXBasePaths paths; |
| 6781 | if (cxx_record_decl->lookupInBases( |
| 6782 | [decl_name](const clang::CXXBaseSpecifier *specifier, |
| 6783 | clang::CXXBasePath &path) { |
| 6784 | CXXRecordDecl *record = |
| 6785 | specifier->getType()->getAsCXXRecordDecl(); |
| 6786 | auto r = record->lookup(decl_name); |
| 6787 | path.Decls = r.begin(); |
| 6788 | return !r.empty(); |
| 6789 | }, |
| 6790 | paths)) { |
| 6791 | clang::CXXBasePaths::const_paths_iterator path, |
| 6792 | path_end = paths.end(); |
| 6793 | for (path = paths.begin(); path != path_end; ++path) { |
| 6794 | const size_t num_path_elements = path->size(); |
| 6795 | for (size_t e = 0; e < num_path_elements; ++e) { |
| 6796 | clang::CXXBasePathElement elem = (*path)[e]; |
| 6797 | |
| 6798 | child_idx = GetIndexForRecordBase(parent_record_decl, elem.Base, |
| 6799 | omit_empty_base_classes); |
| 6800 | if (child_idx == UINT32_MAX(4294967295U)) { |
| 6801 | child_indexes.clear(); |
| 6802 | return 0; |
| 6803 | } else { |
| 6804 | child_indexes.push_back(child_idx); |
| 6805 | parent_record_decl = llvm::cast<clang::RecordDecl>( |
| 6806 | elem.Base->getType() |
| 6807 | ->castAs<clang::RecordType>() |
| 6808 | ->getDecl()); |
| 6809 | } |
| 6810 | } |
| 6811 | for (clang::DeclContext::lookup_iterator I = path->Decls, E; |
| 6812 | I != E; ++I) { |
| 6813 | child_idx = GetIndexForRecordChild( |
| 6814 | parent_record_decl, *I, omit_empty_base_classes); |
| 6815 | if (child_idx == UINT32_MAX(4294967295U)) { |
| 6816 | child_indexes.clear(); |
| 6817 | return 0; |
| 6818 | } else { |
| 6819 | child_indexes.push_back(child_idx); |
| 6820 | } |
| 6821 | } |
| 6822 | } |
| 6823 | return child_indexes.size(); |
| 6824 | } |
| 6825 | } |
| 6826 | } |
| 6827 | break; |
| 6828 | |
| 6829 | case clang::Type::ObjCObject: |
| 6830 | case clang::Type::ObjCInterface: |
| 6831 | if (GetCompleteType(type)) { |
| 6832 | llvm::StringRef name_sref(name); |
| 6833 | const clang::ObjCObjectType *objc_class_type = |
| 6834 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 6835 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 6835, __extension__ __PRETTY_FUNCTION__)); |
| 6836 | if (objc_class_type) { |
| 6837 | uint32_t child_idx = 0; |
| 6838 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 6839 | objc_class_type->getInterface(); |
| 6840 | |
| 6841 | if (class_interface_decl) { |
| 6842 | clang::ObjCInterfaceDecl::ivar_iterator ivar_pos, |
| 6843 | ivar_end = class_interface_decl->ivar_end(); |
| 6844 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
| 6845 | class_interface_decl->getSuperClass(); |
| 6846 | |
| 6847 | for (ivar_pos = class_interface_decl->ivar_begin(); |
| 6848 | ivar_pos != ivar_end; ++ivar_pos, ++child_idx) { |
| 6849 | const clang::ObjCIvarDecl *ivar_decl = *ivar_pos; |
| 6850 | |
| 6851 | if (ivar_decl->getName().equals(name_sref)) { |
| 6852 | if ((!omit_empty_base_classes && superclass_interface_decl) || |
| 6853 | (omit_empty_base_classes && |
| 6854 | ObjCDeclHasIVars(superclass_interface_decl, true))) |
| 6855 | ++child_idx; |
| 6856 | |
| 6857 | child_indexes.push_back(child_idx); |
| 6858 | return child_indexes.size(); |
| 6859 | } |
| 6860 | } |
| 6861 | |
| 6862 | if (superclass_interface_decl) { |
| 6863 | // The super class index is always zero for ObjC classes, so we |
| 6864 | // push it onto the child indexes in case we find an ivar in our |
| 6865 | // superclass... |
| 6866 | child_indexes.push_back(0); |
| 6867 | |
| 6868 | CompilerType superclass_clang_type = |
| 6869 | GetType(getASTContext().getObjCInterfaceType( |
| 6870 | superclass_interface_decl)); |
| 6871 | if (superclass_clang_type.GetIndexOfChildMemberWithName( |
| 6872 | name, omit_empty_base_classes, child_indexes)) { |
| 6873 | // We did find an ivar in a superclass so just return the |
| 6874 | // results! |
| 6875 | return child_indexes.size(); |
| 6876 | } |
| 6877 | |
| 6878 | // We didn't find an ivar matching "name" in our superclass, pop |
| 6879 | // the superclass zero index that we pushed on above. |
| 6880 | child_indexes.pop_back(); |
| 6881 | } |
| 6882 | } |
| 6883 | } |
| 6884 | } |
| 6885 | break; |
| 6886 | |
| 6887 | case clang::Type::ObjCObjectPointer: { |
| 6888 | CompilerType objc_object_clang_type = GetType( |
| 6889 | llvm::cast<clang::ObjCObjectPointerType>(qual_type.getTypePtr()) |
| 6890 | ->getPointeeType()); |
| 6891 | return objc_object_clang_type.GetIndexOfChildMemberWithName( |
| 6892 | name, omit_empty_base_classes, child_indexes); |
| 6893 | } break; |
| 6894 | |
| 6895 | case clang::Type::ConstantArray: { |
| 6896 | // const clang::ConstantArrayType *array = |
| 6897 | // llvm::cast<clang::ConstantArrayType>(parent_qual_type.getTypePtr()); |
| 6898 | // const uint64_t element_count = |
| 6899 | // array->getSize().getLimitedValue(); |
| 6900 | // |
| 6901 | // if (idx < element_count) |
| 6902 | // { |
| 6903 | // std::pair<uint64_t, unsigned> field_type_info = |
| 6904 | // ast->getTypeInfo(array->getElementType()); |
| 6905 | // |
| 6906 | // char element_name[32]; |
| 6907 | // ::snprintf (element_name, sizeof (element_name), |
| 6908 | // "%s[%u]", parent_name ? parent_name : "", idx); |
| 6909 | // |
| 6910 | // child_name.assign(element_name); |
| 6911 | // assert(field_type_info.first % 8 == 0); |
| 6912 | // child_byte_size = field_type_info.first / 8; |
| 6913 | // child_byte_offset = idx * child_byte_size; |
| 6914 | // return array->getElementType().getAsOpaquePtr(); |
| 6915 | // } |
| 6916 | } break; |
| 6917 | |
| 6918 | // case clang::Type::MemberPointerType: |
| 6919 | // { |
| 6920 | // MemberPointerType *mem_ptr_type = |
| 6921 | // llvm::cast<MemberPointerType>(qual_type.getTypePtr()); |
| 6922 | // clang::QualType pointee_type = |
| 6923 | // mem_ptr_type->getPointeeType(); |
| 6924 | // |
| 6925 | // if (TypeSystemClang::IsAggregateType |
| 6926 | // (pointee_type.getAsOpaquePtr())) |
| 6927 | // { |
| 6928 | // return GetIndexOfChildWithName (ast, |
| 6929 | // mem_ptr_type->getPointeeType().getAsOpaquePtr(), |
| 6930 | // name); |
| 6931 | // } |
| 6932 | // } |
| 6933 | // break; |
| 6934 | // |
| 6935 | case clang::Type::LValueReference: |
| 6936 | case clang::Type::RValueReference: { |
| 6937 | const clang::ReferenceType *reference_type = |
| 6938 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); |
| 6939 | clang::QualType pointee_type(reference_type->getPointeeType()); |
| 6940 | CompilerType pointee_clang_type = GetType(pointee_type); |
| 6941 | |
| 6942 | if (pointee_clang_type.IsAggregateType()) { |
| 6943 | return pointee_clang_type.GetIndexOfChildMemberWithName( |
| 6944 | name, omit_empty_base_classes, child_indexes); |
| 6945 | } |
| 6946 | } break; |
| 6947 | |
| 6948 | case clang::Type::Pointer: { |
| 6949 | CompilerType pointee_clang_type(GetPointeeType(type)); |
| 6950 | |
| 6951 | if (pointee_clang_type.IsAggregateType()) { |
| 6952 | return pointee_clang_type.GetIndexOfChildMemberWithName( |
| 6953 | name, omit_empty_base_classes, child_indexes); |
| 6954 | } |
| 6955 | } break; |
| 6956 | |
| 6957 | default: |
| 6958 | break; |
| 6959 | } |
| 6960 | } |
| 6961 | return 0; |
| 6962 | } |
| 6963 | |
| 6964 | // Get the index of the child of "clang_type" whose name matches. This function |
| 6965 | // doesn't descend into the children, but only looks one level deep and name |
| 6966 | // matches can include base class names. |
| 6967 | |
| 6968 | uint32_t |
| 6969 | TypeSystemClang::GetIndexOfChildWithName(lldb::opaque_compiler_type_t type, |
| 6970 | const char *name, |
| 6971 | bool omit_empty_base_classes) { |
| 6972 | if (type && name && name[0]) { |
| 6973 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 6974 | |
| 6975 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 6976 | |
| 6977 | switch (type_class) { |
| 6978 | case clang::Type::Record: |
| 6979 | if (GetCompleteType(type)) { |
| 6980 | const clang::RecordType *record_type = |
| 6981 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 6982 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 6983 | |
| 6984 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 6984, __extension__ __PRETTY_FUNCTION__)); |
| 6985 | uint32_t child_idx = 0; |
| 6986 | |
| 6987 | const clang::CXXRecordDecl *cxx_record_decl = |
| 6988 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 6989 | |
| 6990 | if (cxx_record_decl) { |
| 6991 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
| 6992 | base_class_end; |
| 6993 | for (base_class = cxx_record_decl->bases_begin(), |
| 6994 | base_class_end = cxx_record_decl->bases_end(); |
| 6995 | base_class != base_class_end; ++base_class) { |
| 6996 | // Skip empty base classes |
| 6997 | clang::CXXRecordDecl *base_class_decl = |
| 6998 | llvm::cast<clang::CXXRecordDecl>( |
| 6999 | base_class->getType() |
| 7000 | ->castAs<clang::RecordType>() |
| 7001 | ->getDecl()); |
| 7002 | if (omit_empty_base_classes && |
| 7003 | !TypeSystemClang::RecordHasFields(base_class_decl)) |
| 7004 | continue; |
| 7005 | |
| 7006 | CompilerType base_class_clang_type = GetType(base_class->getType()); |
| 7007 | std::string base_class_type_name( |
| 7008 | base_class_clang_type.GetTypeName().AsCString("")); |
| 7009 | if (base_class_type_name == name) |
| 7010 | return child_idx; |
| 7011 | ++child_idx; |
| 7012 | } |
| 7013 | } |
| 7014 | |
| 7015 | // Try and find a field that matches NAME |
| 7016 | clang::RecordDecl::field_iterator field, field_end; |
| 7017 | llvm::StringRef name_sref(name); |
| 7018 | for (field = record_decl->field_begin(), |
| 7019 | field_end = record_decl->field_end(); |
| 7020 | field != field_end; ++field, ++child_idx) { |
| 7021 | if (field->getName().equals(name_sref)) |
| 7022 | return child_idx; |
| 7023 | } |
| 7024 | } |
| 7025 | break; |
| 7026 | |
| 7027 | case clang::Type::ObjCObject: |
| 7028 | case clang::Type::ObjCInterface: |
| 7029 | if (GetCompleteType(type)) { |
| 7030 | llvm::StringRef name_sref(name); |
| 7031 | const clang::ObjCObjectType *objc_class_type = |
| 7032 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 7033 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 7033, __extension__ __PRETTY_FUNCTION__)); |
| 7034 | if (objc_class_type) { |
| 7035 | uint32_t child_idx = 0; |
| 7036 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 7037 | objc_class_type->getInterface(); |
| 7038 | |
| 7039 | if (class_interface_decl) { |
| 7040 | clang::ObjCInterfaceDecl::ivar_iterator ivar_pos, |
| 7041 | ivar_end = class_interface_decl->ivar_end(); |
| 7042 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
| 7043 | class_interface_decl->getSuperClass(); |
| 7044 | |
| 7045 | for (ivar_pos = class_interface_decl->ivar_begin(); |
| 7046 | ivar_pos != ivar_end; ++ivar_pos, ++child_idx) { |
| 7047 | const clang::ObjCIvarDecl *ivar_decl = *ivar_pos; |
| 7048 | |
| 7049 | if (ivar_decl->getName().equals(name_sref)) { |
| 7050 | if ((!omit_empty_base_classes && superclass_interface_decl) || |
| 7051 | (omit_empty_base_classes && |
| 7052 | ObjCDeclHasIVars(superclass_interface_decl, true))) |
| 7053 | ++child_idx; |
| 7054 | |
| 7055 | return child_idx; |
| 7056 | } |
| 7057 | } |
| 7058 | |
| 7059 | if (superclass_interface_decl) { |
| 7060 | if (superclass_interface_decl->getName().equals(name_sref)) |
| 7061 | return 0; |
| 7062 | } |
| 7063 | } |
| 7064 | } |
| 7065 | } |
| 7066 | break; |
| 7067 | |
| 7068 | case clang::Type::ObjCObjectPointer: { |
| 7069 | CompilerType pointee_clang_type = GetType( |
| 7070 | llvm::cast<clang::ObjCObjectPointerType>(qual_type.getTypePtr()) |
| 7071 | ->getPointeeType()); |
| 7072 | return pointee_clang_type.GetIndexOfChildWithName( |
| 7073 | name, omit_empty_base_classes); |
| 7074 | } break; |
| 7075 | |
| 7076 | case clang::Type::ConstantArray: { |
| 7077 | // const clang::ConstantArrayType *array = |
| 7078 | // llvm::cast<clang::ConstantArrayType>(parent_qual_type.getTypePtr()); |
| 7079 | // const uint64_t element_count = |
| 7080 | // array->getSize().getLimitedValue(); |
| 7081 | // |
| 7082 | // if (idx < element_count) |
| 7083 | // { |
| 7084 | // std::pair<uint64_t, unsigned> field_type_info = |
| 7085 | // ast->getTypeInfo(array->getElementType()); |
| 7086 | // |
| 7087 | // char element_name[32]; |
| 7088 | // ::snprintf (element_name, sizeof (element_name), |
| 7089 | // "%s[%u]", parent_name ? parent_name : "", idx); |
| 7090 | // |
| 7091 | // child_name.assign(element_name); |
| 7092 | // assert(field_type_info.first % 8 == 0); |
| 7093 | // child_byte_size = field_type_info.first / 8; |
| 7094 | // child_byte_offset = idx * child_byte_size; |
| 7095 | // return array->getElementType().getAsOpaquePtr(); |
| 7096 | // } |
| 7097 | } break; |
| 7098 | |
| 7099 | // case clang::Type::MemberPointerType: |
| 7100 | // { |
| 7101 | // MemberPointerType *mem_ptr_type = |
| 7102 | // llvm::cast<MemberPointerType>(qual_type.getTypePtr()); |
| 7103 | // clang::QualType pointee_type = |
| 7104 | // mem_ptr_type->getPointeeType(); |
| 7105 | // |
| 7106 | // if (TypeSystemClang::IsAggregateType |
| 7107 | // (pointee_type.getAsOpaquePtr())) |
| 7108 | // { |
| 7109 | // return GetIndexOfChildWithName (ast, |
| 7110 | // mem_ptr_type->getPointeeType().getAsOpaquePtr(), |
| 7111 | // name); |
| 7112 | // } |
| 7113 | // } |
| 7114 | // break; |
| 7115 | // |
| 7116 | case clang::Type::LValueReference: |
| 7117 | case clang::Type::RValueReference: { |
| 7118 | const clang::ReferenceType *reference_type = |
| 7119 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); |
| 7120 | CompilerType pointee_type = GetType(reference_type->getPointeeType()); |
| 7121 | |
| 7122 | if (pointee_type.IsAggregateType()) { |
| 7123 | return pointee_type.GetIndexOfChildWithName(name, |
| 7124 | omit_empty_base_classes); |
| 7125 | } |
| 7126 | } break; |
| 7127 | |
| 7128 | case clang::Type::Pointer: { |
| 7129 | const clang::PointerType *pointer_type = |
| 7130 | llvm::cast<clang::PointerType>(qual_type.getTypePtr()); |
| 7131 | CompilerType pointee_type = GetType(pointer_type->getPointeeType()); |
| 7132 | |
| 7133 | if (pointee_type.IsAggregateType()) { |
| 7134 | return pointee_type.GetIndexOfChildWithName(name, |
| 7135 | omit_empty_base_classes); |
| 7136 | } else { |
| 7137 | // if (parent_name) |
| 7138 | // { |
| 7139 | // child_name.assign(1, '*'); |
| 7140 | // child_name += parent_name; |
| 7141 | // } |
| 7142 | // |
| 7143 | // // We have a pointer to an simple type |
| 7144 | // if (idx == 0) |
| 7145 | // { |
| 7146 | // std::pair<uint64_t, unsigned> clang_type_info |
| 7147 | // = ast->getTypeInfo(pointee_type); |
| 7148 | // assert(clang_type_info.first % 8 == 0); |
| 7149 | // child_byte_size = clang_type_info.first / 8; |
| 7150 | // child_byte_offset = 0; |
| 7151 | // return pointee_type.getAsOpaquePtr(); |
| 7152 | // } |
| 7153 | } |
| 7154 | } break; |
| 7155 | |
| 7156 | default: |
| 7157 | break; |
| 7158 | } |
| 7159 | } |
| 7160 | return UINT32_MAX(4294967295U); |
| 7161 | } |
| 7162 | |
| 7163 | bool TypeSystemClang::IsTemplateType(lldb::opaque_compiler_type_t type) { |
| 7164 | if (!type) |
| 7165 | return false; |
| 7166 | CompilerType ct(weak_from_this(), type); |
| 7167 | const clang::Type *clang_type = ClangUtil::GetQualType(ct).getTypePtr(); |
| 7168 | if (auto *cxx_record_decl = dyn_cast<clang::TagType>(clang_type)) |
| 7169 | return isa<clang::ClassTemplateSpecializationDecl>( |
| 7170 | cxx_record_decl->getDecl()); |
| 7171 | return false; |
| 7172 | } |
| 7173 | |
| 7174 | size_t |
| 7175 | TypeSystemClang::GetNumTemplateArguments(lldb::opaque_compiler_type_t type, |
| 7176 | bool expand_pack) { |
| 7177 | if (!type) |
| 7178 | return 0; |
| 7179 | |
| 7180 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 7181 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 7182 | switch (type_class) { |
| 7183 | case clang::Type::Record: |
| 7184 | if (GetCompleteType(type)) { |
| 7185 | const clang::CXXRecordDecl *cxx_record_decl = |
| 7186 | qual_type->getAsCXXRecordDecl(); |
| 7187 | if (cxx_record_decl) { |
| 7188 | const clang::ClassTemplateSpecializationDecl *template_decl = |
| 7189 | llvm::dyn_cast<clang::ClassTemplateSpecializationDecl>( |
| 7190 | cxx_record_decl); |
| 7191 | if (template_decl) { |
| 7192 | const auto &template_arg_list = template_decl->getTemplateArgs(); |
| 7193 | size_t num_args = template_arg_list.size(); |
| 7194 | assert(num_args && "template specialization without any args")(static_cast <bool> (num_args && "template specialization without any args" ) ? void (0) : __assert_fail ("num_args && \"template specialization without any args\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7194, __extension__ __PRETTY_FUNCTION__)); |
| 7195 | if (expand_pack && num_args) { |
| 7196 | const auto &pack = template_arg_list[num_args - 1]; |
| 7197 | if (pack.getKind() == clang::TemplateArgument::Pack) |
| 7198 | num_args += pack.pack_size() - 1; |
| 7199 | } |
| 7200 | return num_args; |
| 7201 | } |
| 7202 | } |
| 7203 | } |
| 7204 | break; |
| 7205 | |
| 7206 | default: |
| 7207 | break; |
| 7208 | } |
| 7209 | |
| 7210 | return 0; |
| 7211 | } |
| 7212 | |
| 7213 | const clang::ClassTemplateSpecializationDecl * |
| 7214 | TypeSystemClang::GetAsTemplateSpecialization( |
| 7215 | lldb::opaque_compiler_type_t type) { |
| 7216 | if (!type) |
| 7217 | return nullptr; |
| 7218 | |
| 7219 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 7220 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 7221 | switch (type_class) { |
| 7222 | case clang::Type::Record: { |
| 7223 | if (! GetCompleteType(type)) |
| 7224 | return nullptr; |
| 7225 | const clang::CXXRecordDecl *cxx_record_decl = |
| 7226 | qual_type->getAsCXXRecordDecl(); |
| 7227 | if (!cxx_record_decl) |
| 7228 | return nullptr; |
| 7229 | return llvm::dyn_cast<clang::ClassTemplateSpecializationDecl>( |
| 7230 | cxx_record_decl); |
| 7231 | } |
| 7232 | |
| 7233 | default: |
| 7234 | return nullptr; |
| 7235 | } |
| 7236 | } |
| 7237 | |
| 7238 | const TemplateArgument * |
| 7239 | GetNthTemplateArgument(const clang::ClassTemplateSpecializationDecl *decl, |
| 7240 | size_t idx, bool expand_pack) { |
| 7241 | const auto &args = decl->getTemplateArgs(); |
| 7242 | const size_t args_size = args.size(); |
| 7243 | |
| 7244 | assert(args_size && "template specialization without any args")(static_cast <bool> (args_size && "template specialization without any args" ) ? void (0) : __assert_fail ("args_size && \"template specialization without any args\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7244, __extension__ __PRETTY_FUNCTION__)); |
| 7245 | if (!args_size) |
| 7246 | return nullptr; |
| 7247 | |
| 7248 | const size_t last_idx = args_size - 1; |
| 7249 | |
| 7250 | // We're asked for a template argument that can't be a parameter pack, so |
| 7251 | // return it without worrying about 'expand_pack'. |
| 7252 | if (idx < last_idx) |
| 7253 | return &args[idx]; |
| 7254 | |
| 7255 | // We're asked for the last template argument but we don't want/need to |
| 7256 | // expand it. |
| 7257 | if (!expand_pack || args[last_idx].getKind() != clang::TemplateArgument::Pack) |
| 7258 | return idx >= args.size() ? nullptr : &args[idx]; |
| 7259 | |
| 7260 | // Index into the expanded pack. |
| 7261 | // Note that 'idx' counts from the beginning of all template arguments |
| 7262 | // (including the ones preceding the parameter pack). |
| 7263 | const auto &pack = args[last_idx]; |
| 7264 | const size_t pack_idx = idx - last_idx; |
| 7265 | assert(pack_idx < pack.pack_size() && "parameter pack index out-of-bounds")(static_cast <bool> (pack_idx < pack.pack_size() && "parameter pack index out-of-bounds") ? void (0) : __assert_fail ("pack_idx < pack.pack_size() && \"parameter pack index out-of-bounds\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7265, __extension__ __PRETTY_FUNCTION__)); |
| 7266 | return &pack.pack_elements()[pack_idx]; |
| 7267 | } |
| 7268 | |
| 7269 | lldb::TemplateArgumentKind |
| 7270 | TypeSystemClang::GetTemplateArgumentKind(lldb::opaque_compiler_type_t type, |
| 7271 | size_t arg_idx, bool expand_pack) { |
| 7272 | const clang::ClassTemplateSpecializationDecl *template_decl = |
| 7273 | GetAsTemplateSpecialization(type); |
| 7274 | if (!template_decl) |
| 7275 | return eTemplateArgumentKindNull; |
| 7276 | |
| 7277 | const auto *arg = GetNthTemplateArgument(template_decl, arg_idx, expand_pack); |
| 7278 | if (!arg) |
| 7279 | return eTemplateArgumentKindNull; |
| 7280 | |
| 7281 | switch (arg->getKind()) { |
| 7282 | case clang::TemplateArgument::Null: |
| 7283 | return eTemplateArgumentKindNull; |
| 7284 | |
| 7285 | case clang::TemplateArgument::NullPtr: |
| 7286 | return eTemplateArgumentKindNullPtr; |
| 7287 | |
| 7288 | case clang::TemplateArgument::Type: |
| 7289 | return eTemplateArgumentKindType; |
| 7290 | |
| 7291 | case clang::TemplateArgument::Declaration: |
| 7292 | return eTemplateArgumentKindDeclaration; |
| 7293 | |
| 7294 | case clang::TemplateArgument::Integral: |
| 7295 | return eTemplateArgumentKindIntegral; |
| 7296 | |
| 7297 | case clang::TemplateArgument::Template: |
| 7298 | return eTemplateArgumentKindTemplate; |
| 7299 | |
| 7300 | case clang::TemplateArgument::TemplateExpansion: |
| 7301 | return eTemplateArgumentKindTemplateExpansion; |
| 7302 | |
| 7303 | case clang::TemplateArgument::Expression: |
| 7304 | return eTemplateArgumentKindExpression; |
| 7305 | |
| 7306 | case clang::TemplateArgument::Pack: |
| 7307 | return eTemplateArgumentKindPack; |
| 7308 | } |
| 7309 | llvm_unreachable("Unhandled clang::TemplateArgument::ArgKind")::llvm::llvm_unreachable_internal("Unhandled clang::TemplateArgument::ArgKind" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7309); |
| 7310 | } |
| 7311 | |
| 7312 | CompilerType |
| 7313 | TypeSystemClang::GetTypeTemplateArgument(lldb::opaque_compiler_type_t type, |
| 7314 | size_t idx, bool expand_pack) { |
| 7315 | const clang::ClassTemplateSpecializationDecl *template_decl = |
| 7316 | GetAsTemplateSpecialization(type); |
| 7317 | if (!template_decl) |
| 7318 | return CompilerType(); |
| 7319 | |
| 7320 | const auto *arg = GetNthTemplateArgument(template_decl, idx, expand_pack); |
| 7321 | if (!arg || arg->getKind() != clang::TemplateArgument::Type) |
| 7322 | return CompilerType(); |
| 7323 | |
| 7324 | return GetType(arg->getAsType()); |
| 7325 | } |
| 7326 | |
| 7327 | std::optional<CompilerType::IntegralTemplateArgument> |
| 7328 | TypeSystemClang::GetIntegralTemplateArgument(lldb::opaque_compiler_type_t type, |
| 7329 | size_t idx, bool expand_pack) { |
| 7330 | const clang::ClassTemplateSpecializationDecl *template_decl = |
| 7331 | GetAsTemplateSpecialization(type); |
| 7332 | if (!template_decl) |
| 7333 | return std::nullopt; |
| 7334 | |
| 7335 | const auto *arg = GetNthTemplateArgument(template_decl, idx, expand_pack); |
| 7336 | if (!arg || arg->getKind() != clang::TemplateArgument::Integral) |
| 7337 | return std::nullopt; |
| 7338 | |
| 7339 | return {{arg->getAsIntegral(), GetType(arg->getIntegralType())}}; |
| 7340 | } |
| 7341 | |
| 7342 | CompilerType TypeSystemClang::GetTypeForFormatters(void *type) { |
| 7343 | if (type) |
| 7344 | return ClangUtil::RemoveFastQualifiers(CompilerType(weak_from_this(), type)); |
| 7345 | return CompilerType(); |
| 7346 | } |
| 7347 | |
| 7348 | clang::EnumDecl *TypeSystemClang::GetAsEnumDecl(const CompilerType &type) { |
| 7349 | const clang::EnumType *enutype = |
| 7350 | llvm::dyn_cast<clang::EnumType>(ClangUtil::GetCanonicalQualType(type)); |
| 7351 | if (enutype) |
| 7352 | return enutype->getDecl(); |
| 7353 | return nullptr; |
| 7354 | } |
| 7355 | |
| 7356 | clang::RecordDecl *TypeSystemClang::GetAsRecordDecl(const CompilerType &type) { |
| 7357 | const clang::RecordType *record_type = |
| 7358 | llvm::dyn_cast<clang::RecordType>(ClangUtil::GetCanonicalQualType(type)); |
| 7359 | if (record_type) |
| 7360 | return record_type->getDecl(); |
| 7361 | return nullptr; |
| 7362 | } |
| 7363 | |
| 7364 | clang::TagDecl *TypeSystemClang::GetAsTagDecl(const CompilerType &type) { |
| 7365 | return ClangUtil::GetAsTagDecl(type); |
| 7366 | } |
| 7367 | |
| 7368 | clang::TypedefNameDecl * |
| 7369 | TypeSystemClang::GetAsTypedefDecl(const CompilerType &type) { |
| 7370 | const clang::TypedefType *typedef_type = |
| 7371 | llvm::dyn_cast<clang::TypedefType>(ClangUtil::GetQualType(type)); |
| 7372 | if (typedef_type) |
| 7373 | return typedef_type->getDecl(); |
| 7374 | return nullptr; |
| 7375 | } |
| 7376 | |
| 7377 | clang::CXXRecordDecl * |
| 7378 | TypeSystemClang::GetAsCXXRecordDecl(lldb::opaque_compiler_type_t type) { |
| 7379 | return GetCanonicalQualType(type)->getAsCXXRecordDecl(); |
| 7380 | } |
| 7381 | |
| 7382 | clang::ObjCInterfaceDecl * |
| 7383 | TypeSystemClang::GetAsObjCInterfaceDecl(const CompilerType &type) { |
| 7384 | const clang::ObjCObjectType *objc_class_type = |
| 7385 | llvm::dyn_cast<clang::ObjCObjectType>( |
| 7386 | ClangUtil::GetCanonicalQualType(type)); |
| 7387 | if (objc_class_type) |
| 7388 | return objc_class_type->getInterface(); |
| 7389 | return nullptr; |
| 7390 | } |
| 7391 | |
| 7392 | clang::FieldDecl *TypeSystemClang::AddFieldToRecordType( |
| 7393 | const CompilerType &type, llvm::StringRef name, |
| 7394 | const CompilerType &field_clang_type, AccessType access, |
| 7395 | uint32_t bitfield_bit_size) { |
| 7396 | if (!type.IsValid() || !field_clang_type.IsValid()) |
| 7397 | return nullptr; |
| 7398 | auto ts = type.GetTypeSystem(); |
| 7399 | auto ast = ts.dyn_cast_or_null<TypeSystemClang>(); |
| 7400 | if (!ast) |
| 7401 | return nullptr; |
| 7402 | clang::ASTContext &clang_ast = ast->getASTContext(); |
| 7403 | clang::IdentifierInfo *ident = nullptr; |
| 7404 | if (!name.empty()) |
| 7405 | ident = &clang_ast.Idents.get(name); |
| 7406 | |
| 7407 | clang::FieldDecl *field = nullptr; |
| 7408 | |
| 7409 | clang::Expr *bit_width = nullptr; |
| 7410 | if (bitfield_bit_size != 0) { |
| 7411 | llvm::APInt bitfield_bit_size_apint(clang_ast.getTypeSize(clang_ast.IntTy), |
| 7412 | bitfield_bit_size); |
| 7413 | bit_width = new (clang_ast) |
| 7414 | clang::IntegerLiteral(clang_ast, bitfield_bit_size_apint, |
| 7415 | clang_ast.IntTy, clang::SourceLocation()); |
| 7416 | } |
| 7417 | |
| 7418 | clang::RecordDecl *record_decl = ast->GetAsRecordDecl(type); |
| 7419 | if (record_decl) { |
| 7420 | field = clang::FieldDecl::CreateDeserialized(clang_ast, 0); |
| 7421 | field->setDeclContext(record_decl); |
| 7422 | field->setDeclName(ident); |
| 7423 | field->setType(ClangUtil::GetQualType(field_clang_type)); |
| 7424 | if (bit_width) |
| 7425 | field->setBitWidth(bit_width); |
| 7426 | SetMemberOwningModule(field, record_decl); |
| 7427 | |
| 7428 | if (name.empty()) { |
| 7429 | // Determine whether this field corresponds to an anonymous struct or |
| 7430 | // union. |
| 7431 | if (const clang::TagType *TagT = |
| 7432 | field->getType()->getAs<clang::TagType>()) { |
| 7433 | if (clang::RecordDecl *Rec = |
| 7434 | llvm::dyn_cast<clang::RecordDecl>(TagT->getDecl())) |
| 7435 | if (!Rec->getDeclName()) { |
| 7436 | Rec->setAnonymousStructOrUnion(true); |
| 7437 | field->setImplicit(); |
| 7438 | } |
| 7439 | } |
| 7440 | } |
| 7441 | |
| 7442 | if (field) { |
| 7443 | clang::AccessSpecifier access_specifier = |
| 7444 | TypeSystemClang::ConvertAccessTypeToAccessSpecifier(access); |
| 7445 | field->setAccess(access_specifier); |
| 7446 | |
| 7447 | if (clang::CXXRecordDecl *cxx_record_decl = |
| 7448 | llvm::dyn_cast<CXXRecordDecl>(record_decl)) { |
| 7449 | AddAccessSpecifierDecl(cxx_record_decl, ast->getASTContext(), |
| 7450 | ast->GetCXXRecordDeclAccess(cxx_record_decl), |
| 7451 | access_specifier); |
| 7452 | ast->SetCXXRecordDeclAccess(cxx_record_decl, access_specifier); |
| 7453 | } |
| 7454 | record_decl->addDecl(field); |
| 7455 | |
| 7456 | VerifyDecl(field); |
| 7457 | } |
| 7458 | } else { |
| 7459 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 7460 | ast->GetAsObjCInterfaceDecl(type); |
| 7461 | |
| 7462 | if (class_interface_decl) { |
| 7463 | const bool is_synthesized = false; |
| 7464 | |
| 7465 | field_clang_type.GetCompleteType(); |
| 7466 | |
| 7467 | auto *ivar = clang::ObjCIvarDecl::CreateDeserialized(clang_ast, 0); |
| 7468 | ivar->setDeclContext(class_interface_decl); |
| 7469 | ivar->setDeclName(ident); |
| 7470 | ivar->setType(ClangUtil::GetQualType(field_clang_type)); |
| 7471 | ivar->setAccessControl(ConvertAccessTypeToObjCIvarAccessControl(access)); |
| 7472 | if (bit_width) |
| 7473 | ivar->setBitWidth(bit_width); |
| 7474 | ivar->setSynthesize(is_synthesized); |
| 7475 | field = ivar; |
| 7476 | SetMemberOwningModule(field, class_interface_decl); |
| 7477 | |
| 7478 | if (field) { |
| 7479 | class_interface_decl->addDecl(field); |
| 7480 | |
| 7481 | VerifyDecl(field); |
| 7482 | } |
| 7483 | } |
| 7484 | } |
| 7485 | return field; |
| 7486 | } |
| 7487 | |
| 7488 | void TypeSystemClang::BuildIndirectFields(const CompilerType &type) { |
| 7489 | if (!type) |
| 7490 | return; |
| 7491 | |
| 7492 | auto ts = type.GetTypeSystem(); |
| 7493 | auto ast = ts.dyn_cast_or_null<TypeSystemClang>(); |
| 7494 | if (!ast) |
| 7495 | return; |
| 7496 | |
| 7497 | clang::RecordDecl *record_decl = ast->GetAsRecordDecl(type); |
| 7498 | |
| 7499 | if (!record_decl) |
| 7500 | return; |
| 7501 | |
| 7502 | typedef llvm::SmallVector<clang::IndirectFieldDecl *, 1> IndirectFieldVector; |
| 7503 | |
| 7504 | IndirectFieldVector indirect_fields; |
| 7505 | clang::RecordDecl::field_iterator field_pos; |
| 7506 | clang::RecordDecl::field_iterator field_end_pos = record_decl->field_end(); |
| 7507 | clang::RecordDecl::field_iterator last_field_pos = field_end_pos; |
| 7508 | for (field_pos = record_decl->field_begin(); field_pos != field_end_pos; |
| 7509 | last_field_pos = field_pos++) { |
| 7510 | if (field_pos->isAnonymousStructOrUnion()) { |
| 7511 | clang::QualType field_qual_type = field_pos->getType(); |
| 7512 | |
| 7513 | const clang::RecordType *field_record_type = |
| 7514 | field_qual_type->getAs<clang::RecordType>(); |
| 7515 | |
| 7516 | if (!field_record_type) |
| 7517 | continue; |
| 7518 | |
| 7519 | clang::RecordDecl *field_record_decl = field_record_type->getDecl(); |
| 7520 | |
| 7521 | if (!field_record_decl) |
| 7522 | continue; |
| 7523 | |
| 7524 | for (clang::RecordDecl::decl_iterator |
| 7525 | di = field_record_decl->decls_begin(), |
| 7526 | de = field_record_decl->decls_end(); |
| 7527 | di != de; ++di) { |
| 7528 | if (clang::FieldDecl *nested_field_decl = |
| 7529 | llvm::dyn_cast<clang::FieldDecl>(*di)) { |
| 7530 | clang::NamedDecl **chain = |
| 7531 | new (ast->getASTContext()) clang::NamedDecl *[2]; |
| 7532 | chain[0] = *field_pos; |
| 7533 | chain[1] = nested_field_decl; |
| 7534 | clang::IndirectFieldDecl *indirect_field = |
| 7535 | clang::IndirectFieldDecl::Create( |
| 7536 | ast->getASTContext(), record_decl, clang::SourceLocation(), |
| 7537 | nested_field_decl->getIdentifier(), |
| 7538 | nested_field_decl->getType(), {chain, 2}); |
| 7539 | SetMemberOwningModule(indirect_field, record_decl); |
| 7540 | |
| 7541 | indirect_field->setImplicit(); |
| 7542 | |
| 7543 | indirect_field->setAccess(TypeSystemClang::UnifyAccessSpecifiers( |
| 7544 | field_pos->getAccess(), nested_field_decl->getAccess())); |
| 7545 | |
| 7546 | indirect_fields.push_back(indirect_field); |
| 7547 | } else if (clang::IndirectFieldDecl *nested_indirect_field_decl = |
| 7548 | llvm::dyn_cast<clang::IndirectFieldDecl>(*di)) { |
| 7549 | size_t nested_chain_size = |
| 7550 | nested_indirect_field_decl->getChainingSize(); |
| 7551 | clang::NamedDecl **chain = new (ast->getASTContext()) |
| 7552 | clang::NamedDecl *[nested_chain_size + 1]; |
| 7553 | chain[0] = *field_pos; |
| 7554 | |
| 7555 | int chain_index = 1; |
| 7556 | for (clang::IndirectFieldDecl::chain_iterator |
| 7557 | nci = nested_indirect_field_decl->chain_begin(), |
| 7558 | nce = nested_indirect_field_decl->chain_end(); |
| 7559 | nci < nce; ++nci) { |
| 7560 | chain[chain_index] = *nci; |
| 7561 | chain_index++; |
| 7562 | } |
| 7563 | |
| 7564 | clang::IndirectFieldDecl *indirect_field = |
| 7565 | clang::IndirectFieldDecl::Create( |
| 7566 | ast->getASTContext(), record_decl, clang::SourceLocation(), |
| 7567 | nested_indirect_field_decl->getIdentifier(), |
| 7568 | nested_indirect_field_decl->getType(), |
| 7569 | {chain, nested_chain_size + 1}); |
| 7570 | SetMemberOwningModule(indirect_field, record_decl); |
| 7571 | |
| 7572 | indirect_field->setImplicit(); |
| 7573 | |
| 7574 | indirect_field->setAccess(TypeSystemClang::UnifyAccessSpecifiers( |
| 7575 | field_pos->getAccess(), nested_indirect_field_decl->getAccess())); |
| 7576 | |
| 7577 | indirect_fields.push_back(indirect_field); |
| 7578 | } |
| 7579 | } |
| 7580 | } |
| 7581 | } |
| 7582 | |
| 7583 | // Check the last field to see if it has an incomplete array type as its last |
| 7584 | // member and if it does, the tell the record decl about it |
| 7585 | if (last_field_pos != field_end_pos) { |
| 7586 | if (last_field_pos->getType()->isIncompleteArrayType()) |
| 7587 | record_decl->hasFlexibleArrayMember(); |
| 7588 | } |
| 7589 | |
| 7590 | for (IndirectFieldVector::iterator ifi = indirect_fields.begin(), |
| 7591 | ife = indirect_fields.end(); |
| 7592 | ifi < ife; ++ifi) { |
| 7593 | record_decl->addDecl(*ifi); |
| 7594 | } |
| 7595 | } |
| 7596 | |
| 7597 | void TypeSystemClang::SetIsPacked(const CompilerType &type) { |
| 7598 | if (type) { |
| 7599 | auto ts = type.GetTypeSystem(); |
| 7600 | auto ast = ts.dyn_cast_or_null<TypeSystemClang>(); |
| 7601 | if (ast) { |
| 7602 | clang::RecordDecl *record_decl = GetAsRecordDecl(type); |
| 7603 | |
| 7604 | if (!record_decl) |
| 7605 | return; |
| 7606 | |
| 7607 | record_decl->addAttr( |
| 7608 | clang::PackedAttr::CreateImplicit(ast->getASTContext())); |
| 7609 | } |
| 7610 | } |
| 7611 | } |
| 7612 | |
| 7613 | clang::VarDecl *TypeSystemClang::AddVariableToRecordType( |
| 7614 | const CompilerType &type, llvm::StringRef name, |
| 7615 | const CompilerType &var_type, AccessType access) { |
| 7616 | if (!type.IsValid() || !var_type.IsValid()) |
| 7617 | return nullptr; |
| 7618 | |
| 7619 | auto ts = type.GetTypeSystem(); |
| 7620 | auto ast = ts.dyn_cast_or_null<TypeSystemClang>(); |
| 7621 | if (!ast) |
| 7622 | return nullptr; |
| 7623 | |
| 7624 | clang::RecordDecl *record_decl = ast->GetAsRecordDecl(type); |
| 7625 | if (!record_decl) |
| 7626 | return nullptr; |
| 7627 | |
| 7628 | clang::VarDecl *var_decl = nullptr; |
| 7629 | clang::IdentifierInfo *ident = nullptr; |
| 7630 | if (!name.empty()) |
| 7631 | ident = &ast->getASTContext().Idents.get(name); |
| 7632 | |
| 7633 | var_decl = clang::VarDecl::CreateDeserialized(ast->getASTContext(), 0); |
| 7634 | var_decl->setDeclContext(record_decl); |
| 7635 | var_decl->setDeclName(ident); |
| 7636 | var_decl->setType(ClangUtil::GetQualType(var_type)); |
| 7637 | var_decl->setStorageClass(clang::SC_Static); |
| 7638 | SetMemberOwningModule(var_decl, record_decl); |
| 7639 | if (!var_decl) |
| 7640 | return nullptr; |
| 7641 | |
| 7642 | var_decl->setAccess( |
| 7643 | TypeSystemClang::ConvertAccessTypeToAccessSpecifier(access)); |
| 7644 | record_decl->addDecl(var_decl); |
| 7645 | |
| 7646 | VerifyDecl(var_decl); |
| 7647 | |
| 7648 | return var_decl; |
| 7649 | } |
| 7650 | |
| 7651 | void TypeSystemClang::SetIntegerInitializerForVariable( |
| 7652 | VarDecl *var, const llvm::APInt &init_value) { |
| 7653 | assert(!var->hasInit() && "variable already initialized")(static_cast <bool> (!var->hasInit() && "variable already initialized" ) ? void (0) : __assert_fail ("!var->hasInit() && \"variable already initialized\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7653, __extension__ __PRETTY_FUNCTION__)); |
| 7654 | |
| 7655 | clang::ASTContext &ast = var->getASTContext(); |
| 7656 | QualType qt = var->getType(); |
| 7657 | assert(qt->isIntegralOrEnumerationType() &&(static_cast <bool> (qt->isIntegralOrEnumerationType () && "only integer or enum types supported") ? void ( 0) : __assert_fail ("qt->isIntegralOrEnumerationType() && \"only integer or enum types supported\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7658, __extension__ __PRETTY_FUNCTION__)) |
| 7658 | "only integer or enum types supported")(static_cast <bool> (qt->isIntegralOrEnumerationType () && "only integer or enum types supported") ? void ( 0) : __assert_fail ("qt->isIntegralOrEnumerationType() && \"only integer or enum types supported\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7658, __extension__ __PRETTY_FUNCTION__)); |
| 7659 | // If the variable is an enum type, take the underlying integer type as |
| 7660 | // the type of the integer literal. |
| 7661 | if (const EnumType *enum_type = qt->getAs<EnumType>()) { |
| 7662 | const EnumDecl *enum_decl = enum_type->getDecl(); |
| 7663 | qt = enum_decl->getIntegerType(); |
| 7664 | } |
| 7665 | // Bools are handled separately because the clang AST printer handles bools |
| 7666 | // separately from other integral types. |
| 7667 | if (qt->isSpecificBuiltinType(BuiltinType::Bool)) { |
| 7668 | var->setInit(CXXBoolLiteralExpr::Create( |
| 7669 | ast, !init_value.isZero(), qt.getUnqualifiedType(), SourceLocation())); |
| 7670 | } else { |
| 7671 | var->setInit(IntegerLiteral::Create( |
| 7672 | ast, init_value, qt.getUnqualifiedType(), SourceLocation())); |
| 7673 | } |
| 7674 | } |
| 7675 | |
| 7676 | void TypeSystemClang::SetFloatingInitializerForVariable( |
| 7677 | clang::VarDecl *var, const llvm::APFloat &init_value) { |
| 7678 | assert(!var->hasInit() && "variable already initialized")(static_cast <bool> (!var->hasInit() && "variable already initialized" ) ? void (0) : __assert_fail ("!var->hasInit() && \"variable already initialized\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7678, __extension__ __PRETTY_FUNCTION__)); |
| 7679 | |
| 7680 | clang::ASTContext &ast = var->getASTContext(); |
| 7681 | QualType qt = var->getType(); |
| 7682 | assert(qt->isFloatingType() && "only floating point types supported")(static_cast <bool> (qt->isFloatingType() && "only floating point types supported") ? void (0) : __assert_fail ("qt->isFloatingType() && \"only floating point types supported\"" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 7682, __extension__ __PRETTY_FUNCTION__)); |
| 7683 | var->setInit(FloatingLiteral::Create( |
| 7684 | ast, init_value, true, qt.getUnqualifiedType(), SourceLocation())); |
| 7685 | } |
| 7686 | |
| 7687 | clang::CXXMethodDecl *TypeSystemClang::AddMethodToCXXRecordType( |
| 7688 | lldb::opaque_compiler_type_t type, llvm::StringRef name, |
| 7689 | const char *mangled_name, const CompilerType &method_clang_type, |
| 7690 | lldb::AccessType access, bool is_virtual, bool is_static, bool is_inline, |
| 7691 | bool is_explicit, bool is_attr_used, bool is_artificial) { |
| 7692 | if (!type || !method_clang_type.IsValid() || name.empty()) |
| 7693 | return nullptr; |
| 7694 | |
| 7695 | clang::QualType record_qual_type(GetCanonicalQualType(type)); |
| 7696 | |
| 7697 | clang::CXXRecordDecl *cxx_record_decl = |
| 7698 | record_qual_type->getAsCXXRecordDecl(); |
| 7699 | |
| 7700 | if (cxx_record_decl == nullptr) |
| 7701 | return nullptr; |
| 7702 | |
| 7703 | clang::QualType method_qual_type(ClangUtil::GetQualType(method_clang_type)); |
| 7704 | |
| 7705 | clang::CXXMethodDecl *cxx_method_decl = nullptr; |
| 7706 | |
| 7707 | clang::DeclarationName decl_name(&getASTContext().Idents.get(name)); |
| 7708 | |
| 7709 | const clang::FunctionType *function_type = |
| 7710 | llvm::dyn_cast<clang::FunctionType>(method_qual_type.getTypePtr()); |
| 7711 | |
| 7712 | if (function_type == nullptr) |
| 7713 | return nullptr; |
| 7714 | |
| 7715 | const clang::FunctionProtoType *method_function_prototype( |
| 7716 | llvm::dyn_cast<clang::FunctionProtoType>(function_type)); |
| 7717 | |
| 7718 | if (!method_function_prototype) |
| 7719 | return nullptr; |
| 7720 | |
| 7721 | unsigned int num_params = method_function_prototype->getNumParams(); |
| 7722 | |
| 7723 | clang::CXXDestructorDecl *cxx_dtor_decl(nullptr); |
| 7724 | clang::CXXConstructorDecl *cxx_ctor_decl(nullptr); |
| 7725 | |
| 7726 | if (is_artificial) |
| 7727 | return nullptr; // skip everything artificial |
| 7728 | |
| 7729 | const clang::ExplicitSpecifier explicit_spec( |
| 7730 | nullptr /*expr*/, is_explicit ? clang::ExplicitSpecKind::ResolvedTrue |
| 7731 | : clang::ExplicitSpecKind::ResolvedFalse); |
| 7732 | |
| 7733 | if (name.startswith("~")) { |
| 7734 | cxx_dtor_decl = |
| 7735 | clang::CXXDestructorDecl::CreateDeserialized(getASTContext(), 0); |
| 7736 | cxx_dtor_decl->setDeclContext(cxx_record_decl); |
| 7737 | cxx_dtor_decl->setDeclName( |
| 7738 | getASTContext().DeclarationNames.getCXXDestructorName( |
| 7739 | getASTContext().getCanonicalType(record_qual_type))); |
| 7740 | cxx_dtor_decl->setType(method_qual_type); |
| 7741 | cxx_dtor_decl->setImplicit(is_artificial); |
| 7742 | cxx_dtor_decl->setInlineSpecified(is_inline); |
| 7743 | cxx_dtor_decl->setConstexprKind(ConstexprSpecKind::Unspecified); |
| 7744 | cxx_method_decl = cxx_dtor_decl; |
| 7745 | } else if (decl_name == cxx_record_decl->getDeclName()) { |
| 7746 | cxx_ctor_decl = clang::CXXConstructorDecl::CreateDeserialized( |
| 7747 | getASTContext(), 0, 0); |
| 7748 | cxx_ctor_decl->setDeclContext(cxx_record_decl); |
| 7749 | cxx_ctor_decl->setDeclName( |
| 7750 | getASTContext().DeclarationNames.getCXXConstructorName( |
| 7751 | getASTContext().getCanonicalType(record_qual_type))); |
| 7752 | cxx_ctor_decl->setType(method_qual_type); |
| 7753 | cxx_ctor_decl->setImplicit(is_artificial); |
| 7754 | cxx_ctor_decl->setInlineSpecified(is_inline); |
| 7755 | cxx_ctor_decl->setConstexprKind(ConstexprSpecKind::Unspecified); |
| 7756 | cxx_ctor_decl->setNumCtorInitializers(0); |
| 7757 | cxx_ctor_decl->setExplicitSpecifier(explicit_spec); |
| 7758 | cxx_method_decl = cxx_ctor_decl; |
| 7759 | } else { |
| 7760 | clang::StorageClass SC = is_static ? clang::SC_Static : clang::SC_None; |
| 7761 | clang::OverloadedOperatorKind op_kind = clang::NUM_OVERLOADED_OPERATORS; |
| 7762 | |
| 7763 | if (IsOperator(name, op_kind)) { |
| 7764 | if (op_kind != clang::NUM_OVERLOADED_OPERATORS) { |
| 7765 | // Check the number of operator parameters. Sometimes we have seen bad |
| 7766 | // DWARF that doesn't correctly describe operators and if we try to |
| 7767 | // create a method and add it to the class, clang will assert and |
| 7768 | // crash, so we need to make sure things are acceptable. |
| 7769 | const bool is_method = true; |
| 7770 | if (!TypeSystemClang::CheckOverloadedOperatorKindParameterCount( |
| 7771 | is_method, op_kind, num_params)) |
| 7772 | return nullptr; |
| 7773 | cxx_method_decl = |
| 7774 | clang::CXXMethodDecl::CreateDeserialized(getASTContext(), 0); |
| 7775 | cxx_method_decl->setDeclContext(cxx_record_decl); |
| 7776 | cxx_method_decl->setDeclName( |
| 7777 | getASTContext().DeclarationNames.getCXXOperatorName(op_kind)); |
| 7778 | cxx_method_decl->setType(method_qual_type); |
| 7779 | cxx_method_decl->setStorageClass(SC); |
| 7780 | cxx_method_decl->setInlineSpecified(is_inline); |
| 7781 | cxx_method_decl->setConstexprKind(ConstexprSpecKind::Unspecified); |
| 7782 | } else if (num_params == 0) { |
| 7783 | // Conversion operators don't take params... |
| 7784 | auto *cxx_conversion_decl = |
| 7785 | clang::CXXConversionDecl::CreateDeserialized(getASTContext(), 0); |
| 7786 | cxx_conversion_decl->setDeclContext(cxx_record_decl); |
| 7787 | cxx_conversion_decl->setDeclName( |
| 7788 | getASTContext().DeclarationNames.getCXXConversionFunctionName( |
| 7789 | getASTContext().getCanonicalType( |
| 7790 | function_type->getReturnType()))); |
| 7791 | cxx_conversion_decl->setType(method_qual_type); |
| 7792 | cxx_conversion_decl->setInlineSpecified(is_inline); |
| 7793 | cxx_conversion_decl->setExplicitSpecifier(explicit_spec); |
| 7794 | cxx_conversion_decl->setConstexprKind(ConstexprSpecKind::Unspecified); |
| 7795 | cxx_method_decl = cxx_conversion_decl; |
| 7796 | } |
| 7797 | } |
| 7798 | |
| 7799 | if (cxx_method_decl == nullptr) { |
| 7800 | cxx_method_decl = |
| 7801 | clang::CXXMethodDecl::CreateDeserialized(getASTContext(), 0); |
| 7802 | cxx_method_decl->setDeclContext(cxx_record_decl); |
| 7803 | cxx_method_decl->setDeclName(decl_name); |
| 7804 | cxx_method_decl->setType(method_qual_type); |
| 7805 | cxx_method_decl->setInlineSpecified(is_inline); |
| 7806 | cxx_method_decl->setStorageClass(SC); |
| 7807 | cxx_method_decl->setConstexprKind(ConstexprSpecKind::Unspecified); |
| 7808 | } |
| 7809 | } |
| 7810 | SetMemberOwningModule(cxx_method_decl, cxx_record_decl); |
| 7811 | |
| 7812 | clang::AccessSpecifier access_specifier = |
| 7813 | TypeSystemClang::ConvertAccessTypeToAccessSpecifier(access); |
| 7814 | |
| 7815 | cxx_method_decl->setAccess(access_specifier); |
| 7816 | cxx_method_decl->setVirtualAsWritten(is_virtual); |
| 7817 | |
| 7818 | if (is_attr_used) |
| 7819 | cxx_method_decl->addAttr(clang::UsedAttr::CreateImplicit(getASTContext())); |
| 7820 | |
| 7821 | if (mangled_name != nullptr) { |
| 7822 | cxx_method_decl->addAttr(clang::AsmLabelAttr::CreateImplicit( |
| 7823 | getASTContext(), mangled_name, /*literal=*/false)); |
| 7824 | } |
| 7825 | |
| 7826 | // Populate the method decl with parameter decls |
| 7827 | |
| 7828 | llvm::SmallVector<clang::ParmVarDecl *, 12> params; |
| 7829 | |
| 7830 | for (unsigned param_index = 0; param_index < num_params; ++param_index) { |
| 7831 | params.push_back(clang::ParmVarDecl::Create( |
| 7832 | getASTContext(), cxx_method_decl, clang::SourceLocation(), |
| 7833 | clang::SourceLocation(), |
| 7834 | nullptr, // anonymous |
| 7835 | method_function_prototype->getParamType(param_index), nullptr, |
| 7836 | clang::SC_None, nullptr)); |
| 7837 | } |
| 7838 | |
| 7839 | cxx_method_decl->setParams(llvm::ArrayRef<clang::ParmVarDecl *>(params)); |
| 7840 | |
| 7841 | AddAccessSpecifierDecl(cxx_record_decl, getASTContext(), |
| 7842 | GetCXXRecordDeclAccess(cxx_record_decl), |
| 7843 | access_specifier); |
| 7844 | SetCXXRecordDeclAccess(cxx_record_decl, access_specifier); |
| 7845 | |
| 7846 | cxx_record_decl->addDecl(cxx_method_decl); |
| 7847 | |
| 7848 | // Sometimes the debug info will mention a constructor (default/copy/move), |
| 7849 | // destructor, or assignment operator (copy/move) but there won't be any |
| 7850 | // version of this in the code. So we check if the function was artificially |
| 7851 | // generated and if it is trivial and this lets the compiler/backend know |
| 7852 | // that it can inline the IR for these when it needs to and we can avoid a |
| 7853 | // "missing function" error when running expressions. |
| 7854 | |
| 7855 | if (is_artificial) { |
| 7856 | if (cxx_ctor_decl && ((cxx_ctor_decl->isDefaultConstructor() && |
| 7857 | cxx_record_decl->hasTrivialDefaultConstructor()) || |
| 7858 | (cxx_ctor_decl->isCopyConstructor() && |
| 7859 | cxx_record_decl->hasTrivialCopyConstructor()) || |
| 7860 | (cxx_ctor_decl->isMoveConstructor() && |
| 7861 | cxx_record_decl->hasTrivialMoveConstructor()))) { |
| 7862 | cxx_ctor_decl->setDefaulted(); |
| 7863 | cxx_ctor_decl->setTrivial(true); |
| 7864 | } else if (cxx_dtor_decl) { |
| 7865 | if (cxx_record_decl->hasTrivialDestructor()) { |
| 7866 | cxx_dtor_decl->setDefaulted(); |
| 7867 | cxx_dtor_decl->setTrivial(true); |
| 7868 | } |
| 7869 | } else if ((cxx_method_decl->isCopyAssignmentOperator() && |
| 7870 | cxx_record_decl->hasTrivialCopyAssignment()) || |
| 7871 | (cxx_method_decl->isMoveAssignmentOperator() && |
| 7872 | cxx_record_decl->hasTrivialMoveAssignment())) { |
| 7873 | cxx_method_decl->setDefaulted(); |
| 7874 | cxx_method_decl->setTrivial(true); |
| 7875 | } |
| 7876 | } |
| 7877 | |
| 7878 | VerifyDecl(cxx_method_decl); |
| 7879 | |
| 7880 | return cxx_method_decl; |
| 7881 | } |
| 7882 | |
| 7883 | void TypeSystemClang::AddMethodOverridesForCXXRecordType( |
| 7884 | lldb::opaque_compiler_type_t type) { |
| 7885 | if (auto *record = GetAsCXXRecordDecl(type)) |
| 7886 | for (auto *method : record->methods()) |
| 7887 | addOverridesForMethod(method); |
| 7888 | } |
| 7889 | |
| 7890 | #pragma mark C++ Base Classes |
| 7891 | |
| 7892 | std::unique_ptr<clang::CXXBaseSpecifier> |
| 7893 | TypeSystemClang::CreateBaseClassSpecifier(lldb::opaque_compiler_type_t type, |
| 7894 | AccessType access, bool is_virtual, |
| 7895 | bool base_of_class) { |
| 7896 | if (!type) |
| 7897 | return nullptr; |
| 7898 | |
| 7899 | return std::make_unique<clang::CXXBaseSpecifier>( |
| 7900 | clang::SourceRange(), is_virtual, base_of_class, |
| 7901 | TypeSystemClang::ConvertAccessTypeToAccessSpecifier(access), |
| 7902 | getASTContext().getTrivialTypeSourceInfo(GetQualType(type)), |
| 7903 | clang::SourceLocation()); |
| 7904 | } |
| 7905 | |
| 7906 | bool TypeSystemClang::TransferBaseClasses( |
| 7907 | lldb::opaque_compiler_type_t type, |
| 7908 | std::vector<std::unique_ptr<clang::CXXBaseSpecifier>> bases) { |
| 7909 | if (!type) |
| 7910 | return false; |
| 7911 | clang::CXXRecordDecl *cxx_record_decl = GetAsCXXRecordDecl(type); |
| 7912 | if (!cxx_record_decl) |
| 7913 | return false; |
| 7914 | std::vector<clang::CXXBaseSpecifier *> raw_bases; |
| 7915 | raw_bases.reserve(bases.size()); |
| 7916 | |
| 7917 | // Clang will make a copy of them, so it's ok that we pass pointers that we're |
| 7918 | // about to destroy. |
| 7919 | for (auto &b : bases) |
| 7920 | raw_bases.push_back(b.get()); |
| 7921 | cxx_record_decl->setBases(raw_bases.data(), raw_bases.size()); |
| 7922 | return true; |
| 7923 | } |
| 7924 | |
| 7925 | bool TypeSystemClang::SetObjCSuperClass( |
| 7926 | const CompilerType &type, const CompilerType &superclass_clang_type) { |
| 7927 | auto ts = type.GetTypeSystem(); |
| 7928 | auto ast = ts.dyn_cast_or_null<TypeSystemClang>(); |
| 7929 | if (!ast) |
| 7930 | return false; |
| 7931 | clang::ASTContext &clang_ast = ast->getASTContext(); |
| 7932 | |
| 7933 | if (type && superclass_clang_type.IsValid() && |
| 7934 | superclass_clang_type.GetTypeSystem() == type.GetTypeSystem()) { |
| 7935 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 7936 | GetAsObjCInterfaceDecl(type); |
| 7937 | clang::ObjCInterfaceDecl *super_interface_decl = |
| 7938 | GetAsObjCInterfaceDecl(superclass_clang_type); |
| 7939 | if (class_interface_decl && super_interface_decl) { |
| 7940 | class_interface_decl->setSuperClass(clang_ast.getTrivialTypeSourceInfo( |
| 7941 | clang_ast.getObjCInterfaceType(super_interface_decl))); |
| 7942 | return true; |
| 7943 | } |
| 7944 | } |
| 7945 | return false; |
| 7946 | } |
| 7947 | |
| 7948 | bool TypeSystemClang::AddObjCClassProperty( |
| 7949 | const CompilerType &type, const char *property_name, |
| 7950 | const CompilerType &property_clang_type, clang::ObjCIvarDecl *ivar_decl, |
| 7951 | const char *property_setter_name, const char *property_getter_name, |
| 7952 | uint32_t property_attributes, ClangASTMetadata *metadata) { |
| 7953 | if (!type || !property_clang_type.IsValid() || property_name == nullptr || |
| 7954 | property_name[0] == '\0') |
| 7955 | return false; |
| 7956 | auto ts = type.GetTypeSystem(); |
| 7957 | auto ast = ts.dyn_cast_or_null<TypeSystemClang>(); |
| 7958 | if (!ast) |
| 7959 | return false; |
| 7960 | clang::ASTContext &clang_ast = ast->getASTContext(); |
| 7961 | |
| 7962 | clang::ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl(type); |
| 7963 | if (!class_interface_decl) |
| 7964 | return false; |
| 7965 | |
| 7966 | CompilerType property_clang_type_to_access; |
| 7967 | |
| 7968 | if (property_clang_type.IsValid()) |
| 7969 | property_clang_type_to_access = property_clang_type; |
| 7970 | else if (ivar_decl) |
| 7971 | property_clang_type_to_access = ast->GetType(ivar_decl->getType()); |
| 7972 | |
| 7973 | if (!class_interface_decl || !property_clang_type_to_access.IsValid()) |
| 7974 | return false; |
| 7975 | |
| 7976 | clang::TypeSourceInfo *prop_type_source; |
| 7977 | if (ivar_decl) |
| 7978 | prop_type_source = clang_ast.getTrivialTypeSourceInfo(ivar_decl->getType()); |
| 7979 | else |
| 7980 | prop_type_source = clang_ast.getTrivialTypeSourceInfo( |
| 7981 | ClangUtil::GetQualType(property_clang_type)); |
| 7982 | |
| 7983 | clang::ObjCPropertyDecl *property_decl = |
| 7984 | clang::ObjCPropertyDecl::CreateDeserialized(clang_ast, 0); |
| 7985 | property_decl->setDeclContext(class_interface_decl); |
| 7986 | property_decl->setDeclName(&clang_ast.Idents.get(property_name)); |
| 7987 | property_decl->setType(ivar_decl |
| 7988 | ? ivar_decl->getType() |
| 7989 | : ClangUtil::GetQualType(property_clang_type), |
| 7990 | prop_type_source); |
| 7991 | SetMemberOwningModule(property_decl, class_interface_decl); |
| 7992 | |
| 7993 | if (!property_decl) |
| 7994 | return false; |
| 7995 | |
| 7996 | if (metadata) |
| 7997 | ast->SetMetadata(property_decl, *metadata); |
| 7998 | |
| 7999 | class_interface_decl->addDecl(property_decl); |
| 8000 | |
| 8001 | clang::Selector setter_sel, getter_sel; |
| 8002 | |
| 8003 | if (property_setter_name) { |
| 8004 | std::string property_setter_no_colon(property_setter_name, |
| 8005 | strlen(property_setter_name) - 1); |
| 8006 | clang::IdentifierInfo *setter_ident = |
| 8007 | &clang_ast.Idents.get(property_setter_no_colon); |
| 8008 | setter_sel = clang_ast.Selectors.getSelector(1, &setter_ident); |
| 8009 | } else if (!(property_attributes & DW_APPLE_PROPERTY_readonly)) { |
| 8010 | std::string setter_sel_string("set"); |
| 8011 | setter_sel_string.push_back(::toupper(property_name[0])); |
| 8012 | setter_sel_string.append(&property_name[1]); |
| 8013 | clang::IdentifierInfo *setter_ident = |
| 8014 | &clang_ast.Idents.get(setter_sel_string); |
| 8015 | setter_sel = clang_ast.Selectors.getSelector(1, &setter_ident); |
| 8016 | } |
| 8017 | property_decl->setSetterName(setter_sel); |
| 8018 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_setter); |
| 8019 | |
| 8020 | if (property_getter_name != nullptr) { |
| 8021 | clang::IdentifierInfo *getter_ident = |
| 8022 | &clang_ast.Idents.get(property_getter_name); |
| 8023 | getter_sel = clang_ast.Selectors.getSelector(0, &getter_ident); |
| 8024 | } else { |
| 8025 | clang::IdentifierInfo *getter_ident = &clang_ast.Idents.get(property_name); |
| 8026 | getter_sel = clang_ast.Selectors.getSelector(0, &getter_ident); |
| 8027 | } |
| 8028 | property_decl->setGetterName(getter_sel); |
| 8029 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_getter); |
| 8030 | |
| 8031 | if (ivar_decl) |
| 8032 | property_decl->setPropertyIvarDecl(ivar_decl); |
| 8033 | |
| 8034 | if (property_attributes & DW_APPLE_PROPERTY_readonly) |
| 8035 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_readonly); |
| 8036 | if (property_attributes & DW_APPLE_PROPERTY_readwrite) |
| 8037 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_readwrite); |
| 8038 | if (property_attributes & DW_APPLE_PROPERTY_assign) |
| 8039 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_assign); |
| 8040 | if (property_attributes & DW_APPLE_PROPERTY_retain) |
| 8041 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_retain); |
| 8042 | if (property_attributes & DW_APPLE_PROPERTY_copy) |
| 8043 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_copy); |
| 8044 | if (property_attributes & DW_APPLE_PROPERTY_nonatomic) |
| 8045 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_nonatomic); |
| 8046 | if (property_attributes & ObjCPropertyAttribute::kind_nullability) |
| 8047 | property_decl->setPropertyAttributes( |
| 8048 | ObjCPropertyAttribute::kind_nullability); |
| 8049 | if (property_attributes & ObjCPropertyAttribute::kind_null_resettable) |
| 8050 | property_decl->setPropertyAttributes( |
| 8051 | ObjCPropertyAttribute::kind_null_resettable); |
| 8052 | if (property_attributes & ObjCPropertyAttribute::kind_class) |
| 8053 | property_decl->setPropertyAttributes(ObjCPropertyAttribute::kind_class); |
| 8054 | |
| 8055 | const bool isInstance = |
| 8056 | (property_attributes & ObjCPropertyAttribute::kind_class) == 0; |
| 8057 | |
| 8058 | clang::ObjCMethodDecl *getter = nullptr; |
| 8059 | if (!getter_sel.isNull()) |
| 8060 | getter = isInstance ? class_interface_decl->lookupInstanceMethod(getter_sel) |
| 8061 | : class_interface_decl->lookupClassMethod(getter_sel); |
| 8062 | if (!getter_sel.isNull() && !getter) { |
| 8063 | const bool isVariadic = false; |
| 8064 | const bool isPropertyAccessor = true; |
| 8065 | const bool isSynthesizedAccessorStub = false; |
| 8066 | const bool isImplicitlyDeclared = true; |
| 8067 | const bool isDefined = false; |
| 8068 | const clang::ObjCMethodDecl::ImplementationControl impControl = |
| 8069 | clang::ObjCMethodDecl::None; |
| 8070 | const bool HasRelatedResultType = false; |
| 8071 | |
| 8072 | getter = clang::ObjCMethodDecl::CreateDeserialized(clang_ast, 0); |
| 8073 | getter->setDeclName(getter_sel); |
| 8074 | getter->setReturnType(ClangUtil::GetQualType(property_clang_type_to_access)); |
| 8075 | getter->setDeclContext(class_interface_decl); |
| 8076 | getter->setInstanceMethod(isInstance); |
| 8077 | getter->setVariadic(isVariadic); |
| 8078 | getter->setPropertyAccessor(isPropertyAccessor); |
| 8079 | getter->setSynthesizedAccessorStub(isSynthesizedAccessorStub); |
| 8080 | getter->setImplicit(isImplicitlyDeclared); |
| 8081 | getter->setDefined(isDefined); |
| 8082 | getter->setDeclImplementation(impControl); |
| 8083 | getter->setRelatedResultType(HasRelatedResultType); |
| 8084 | SetMemberOwningModule(getter, class_interface_decl); |
| 8085 | |
| 8086 | if (getter) { |
| 8087 | if (metadata) |
| 8088 | ast->SetMetadata(getter, *metadata); |
| 8089 | |
| 8090 | getter->setMethodParams(clang_ast, llvm::ArrayRef<clang::ParmVarDecl *>(), |
| 8091 | llvm::ArrayRef<clang::SourceLocation>()); |
| 8092 | class_interface_decl->addDecl(getter); |
| 8093 | } |
| 8094 | } |
| 8095 | if (getter) { |
| 8096 | getter->setPropertyAccessor(true); |
| 8097 | property_decl->setGetterMethodDecl(getter); |
| 8098 | } |
| 8099 | |
| 8100 | clang::ObjCMethodDecl *setter = nullptr; |
| 8101 | setter = isInstance ? class_interface_decl->lookupInstanceMethod(setter_sel) |
| 8102 | : class_interface_decl->lookupClassMethod(setter_sel); |
| 8103 | if (!setter_sel.isNull() && !setter) { |
| 8104 | clang::QualType result_type = clang_ast.VoidTy; |
| 8105 | const bool isVariadic = false; |
| 8106 | const bool isPropertyAccessor = true; |
| 8107 | const bool isSynthesizedAccessorStub = false; |
| 8108 | const bool isImplicitlyDeclared = true; |
| 8109 | const bool isDefined = false; |
| 8110 | const clang::ObjCMethodDecl::ImplementationControl impControl = |
| 8111 | clang::ObjCMethodDecl::None; |
| 8112 | const bool HasRelatedResultType = false; |
| 8113 | |
| 8114 | setter = clang::ObjCMethodDecl::CreateDeserialized(clang_ast, 0); |
| 8115 | setter->setDeclName(setter_sel); |
| 8116 | setter->setReturnType(result_type); |
| 8117 | setter->setDeclContext(class_interface_decl); |
| 8118 | setter->setInstanceMethod(isInstance); |
| 8119 | setter->setVariadic(isVariadic); |
| 8120 | setter->setPropertyAccessor(isPropertyAccessor); |
| 8121 | setter->setSynthesizedAccessorStub(isSynthesizedAccessorStub); |
| 8122 | setter->setImplicit(isImplicitlyDeclared); |
| 8123 | setter->setDefined(isDefined); |
| 8124 | setter->setDeclImplementation(impControl); |
| 8125 | setter->setRelatedResultType(HasRelatedResultType); |
| 8126 | SetMemberOwningModule(setter, class_interface_decl); |
| 8127 | |
| 8128 | if (setter) { |
| 8129 | if (metadata) |
| 8130 | ast->SetMetadata(setter, *metadata); |
| 8131 | |
| 8132 | llvm::SmallVector<clang::ParmVarDecl *, 1> params; |
| 8133 | params.push_back(clang::ParmVarDecl::Create( |
| 8134 | clang_ast, setter, clang::SourceLocation(), clang::SourceLocation(), |
| 8135 | nullptr, // anonymous |
| 8136 | ClangUtil::GetQualType(property_clang_type_to_access), nullptr, |
| 8137 | clang::SC_Auto, nullptr)); |
| 8138 | |
| 8139 | setter->setMethodParams(clang_ast, |
| 8140 | llvm::ArrayRef<clang::ParmVarDecl *>(params), |
| 8141 | llvm::ArrayRef<clang::SourceLocation>()); |
| 8142 | |
| 8143 | class_interface_decl->addDecl(setter); |
| 8144 | } |
| 8145 | } |
| 8146 | if (setter) { |
| 8147 | setter->setPropertyAccessor(true); |
| 8148 | property_decl->setSetterMethodDecl(setter); |
| 8149 | } |
| 8150 | |
| 8151 | return true; |
| 8152 | } |
| 8153 | |
| 8154 | bool TypeSystemClang::IsObjCClassTypeAndHasIVars(const CompilerType &type, |
| 8155 | bool check_superclass) { |
| 8156 | clang::ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl(type); |
| 8157 | if (class_interface_decl) |
| 8158 | return ObjCDeclHasIVars(class_interface_decl, check_superclass); |
| 8159 | return false; |
| 8160 | } |
| 8161 | |
| 8162 | clang::ObjCMethodDecl *TypeSystemClang::AddMethodToObjCObjectType( |
| 8163 | const CompilerType &type, |
| 8164 | const char *name, // the full symbol name as seen in the symbol table |
| 8165 | // (lldb::opaque_compiler_type_t type, "-[NString |
| 8166 | // stringWithCString:]") |
| 8167 | const CompilerType &method_clang_type, lldb::AccessType access, |
| 8168 | bool is_artificial, bool is_variadic, bool is_objc_direct_call) { |
| 8169 | if (!type || !method_clang_type.IsValid()) |
| 8170 | return nullptr; |
| 8171 | |
| 8172 | clang::ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl(type); |
| 8173 | |
| 8174 | if (class_interface_decl == nullptr) |
| 8175 | return nullptr; |
| 8176 | auto ts = type.GetTypeSystem(); |
| 8177 | auto lldb_ast = ts.dyn_cast_or_null<TypeSystemClang>(); |
| 8178 | if (lldb_ast == nullptr) |
| 8179 | return nullptr; |
| 8180 | clang::ASTContext &ast = lldb_ast->getASTContext(); |
| 8181 | |
| 8182 | const char *selector_start = ::strchr(name, ' '); |
| 8183 | if (selector_start == nullptr) |
| 8184 | return nullptr; |
| 8185 | |
| 8186 | selector_start++; |
| 8187 | llvm::SmallVector<clang::IdentifierInfo *, 12> selector_idents; |
| 8188 | |
| 8189 | size_t len = 0; |
| 8190 | const char *start; |
| 8191 | |
| 8192 | unsigned num_selectors_with_args = 0; |
| 8193 | for (start = selector_start; start && *start != '\0' && *start != ']'; |
| 8194 | start += len) { |
| 8195 | len = ::strcspn(start, ":]"); |
| 8196 | bool has_arg = (start[len] == ':'); |
| 8197 | if (has_arg) |
| 8198 | ++num_selectors_with_args; |
| 8199 | selector_idents.push_back(&ast.Idents.get(llvm::StringRef(start, len))); |
| 8200 | if (has_arg) |
| 8201 | len += 1; |
| 8202 | } |
| 8203 | |
| 8204 | if (selector_idents.size() == 0) |
| 8205 | return nullptr; |
| 8206 | |
| 8207 | clang::Selector method_selector = ast.Selectors.getSelector( |
| 8208 | num_selectors_with_args ? selector_idents.size() : 0, |
| 8209 | selector_idents.data()); |
| 8210 | |
| 8211 | clang::QualType method_qual_type(ClangUtil::GetQualType(method_clang_type)); |
| 8212 | |
| 8213 | // Populate the method decl with parameter decls |
| 8214 | const clang::Type *method_type(method_qual_type.getTypePtr()); |
| 8215 | |
| 8216 | if (method_type == nullptr) |
| 8217 | return nullptr; |
| 8218 | |
| 8219 | const clang::FunctionProtoType *method_function_prototype( |
| 8220 | llvm::dyn_cast<clang::FunctionProtoType>(method_type)); |
| 8221 | |
| 8222 | if (!method_function_prototype) |
| 8223 | return nullptr; |
| 8224 | |
| 8225 | const bool isInstance = (name[0] == '-'); |
| 8226 | const bool isVariadic = is_variadic; |
| 8227 | const bool isPropertyAccessor = false; |
| 8228 | const bool isSynthesizedAccessorStub = false; |
| 8229 | /// Force this to true because we don't have source locations. |
| 8230 | const bool isImplicitlyDeclared = true; |
| 8231 | const bool isDefined = false; |
| 8232 | const clang::ObjCMethodDecl::ImplementationControl impControl = |
| 8233 | clang::ObjCMethodDecl::None; |
| 8234 | const bool HasRelatedResultType = false; |
| 8235 | |
| 8236 | const unsigned num_args = method_function_prototype->getNumParams(); |
| 8237 | |
| 8238 | if (num_args != num_selectors_with_args) |
| 8239 | return nullptr; // some debug information is corrupt. We are not going to |
| 8240 | // deal with it. |
| 8241 | |
| 8242 | auto *objc_method_decl = clang::ObjCMethodDecl::CreateDeserialized(ast, 0); |
| 8243 | objc_method_decl->setDeclName(method_selector); |
| 8244 | objc_method_decl->setReturnType(method_function_prototype->getReturnType()); |
| 8245 | objc_method_decl->setDeclContext( |
| 8246 | lldb_ast->GetDeclContextForType(ClangUtil::GetQualType(type))); |
| 8247 | objc_method_decl->setInstanceMethod(isInstance); |
| 8248 | objc_method_decl->setVariadic(isVariadic); |
| 8249 | objc_method_decl->setPropertyAccessor(isPropertyAccessor); |
| 8250 | objc_method_decl->setSynthesizedAccessorStub(isSynthesizedAccessorStub); |
| 8251 | objc_method_decl->setImplicit(isImplicitlyDeclared); |
| 8252 | objc_method_decl->setDefined(isDefined); |
| 8253 | objc_method_decl->setDeclImplementation(impControl); |
| 8254 | objc_method_decl->setRelatedResultType(HasRelatedResultType); |
| 8255 | SetMemberOwningModule(objc_method_decl, class_interface_decl); |
| 8256 | |
| 8257 | if (objc_method_decl == nullptr) |
| 8258 | return nullptr; |
| 8259 | |
| 8260 | if (num_args > 0) { |
| 8261 | llvm::SmallVector<clang::ParmVarDecl *, 12> params; |
| 8262 | |
| 8263 | for (unsigned param_index = 0; param_index < num_args; ++param_index) { |
| 8264 | params.push_back(clang::ParmVarDecl::Create( |
| 8265 | ast, objc_method_decl, clang::SourceLocation(), |
| 8266 | clang::SourceLocation(), |
| 8267 | nullptr, // anonymous |
| 8268 | method_function_prototype->getParamType(param_index), nullptr, |
| 8269 | clang::SC_Auto, nullptr)); |
| 8270 | } |
| 8271 | |
| 8272 | objc_method_decl->setMethodParams( |
| 8273 | ast, llvm::ArrayRef<clang::ParmVarDecl *>(params), |
| 8274 | llvm::ArrayRef<clang::SourceLocation>()); |
| 8275 | } |
| 8276 | |
| 8277 | if (is_objc_direct_call) { |
| 8278 | // Add a the objc_direct attribute to the declaration we generate that |
| 8279 | // we generate a direct method call for this ObjCMethodDecl. |
| 8280 | objc_method_decl->addAttr( |
| 8281 | clang::ObjCDirectAttr::CreateImplicit(ast, SourceLocation())); |
| 8282 | // Usually Sema is creating implicit parameters (e.g., self) when it |
| 8283 | // parses the method. We don't have a parsing Sema when we build our own |
| 8284 | // AST here so we manually need to create these implicit parameters to |
| 8285 | // make the direct call code generation happy. |
| 8286 | objc_method_decl->createImplicitParams(ast, class_interface_decl); |
| 8287 | } |
| 8288 | |
| 8289 | class_interface_decl->addDecl(objc_method_decl); |
| 8290 | |
| 8291 | VerifyDecl(objc_method_decl); |
| 8292 | |
| 8293 | return objc_method_decl; |
| 8294 | } |
| 8295 | |
| 8296 | bool TypeSystemClang::SetHasExternalStorage(lldb::opaque_compiler_type_t type, |
| 8297 | bool has_extern) { |
| 8298 | if (!type) |
| 8299 | return false; |
| 8300 | |
| 8301 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 8302 | |
| 8303 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 8304 | switch (type_class) { |
| 8305 | case clang::Type::Record: { |
| 8306 | clang::CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); |
| 8307 | if (cxx_record_decl) { |
| 8308 | cxx_record_decl->setHasExternalLexicalStorage(has_extern); |
| 8309 | cxx_record_decl->setHasExternalVisibleStorage(has_extern); |
| 8310 | return true; |
| 8311 | } |
| 8312 | } break; |
| 8313 | |
| 8314 | case clang::Type::Enum: { |
| 8315 | clang::EnumDecl *enum_decl = |
| 8316 | llvm::cast<clang::EnumType>(qual_type)->getDecl(); |
| 8317 | if (enum_decl) { |
| 8318 | enum_decl->setHasExternalLexicalStorage(has_extern); |
| 8319 | enum_decl->setHasExternalVisibleStorage(has_extern); |
| 8320 | return true; |
| 8321 | } |
| 8322 | } break; |
| 8323 | |
| 8324 | case clang::Type::ObjCObject: |
| 8325 | case clang::Type::ObjCInterface: { |
| 8326 | const clang::ObjCObjectType *objc_class_type = |
| 8327 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 8328 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8328, __extension__ __PRETTY_FUNCTION__)); |
| 8329 | if (objc_class_type) { |
| 8330 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 8331 | objc_class_type->getInterface(); |
| 8332 | |
| 8333 | if (class_interface_decl) { |
| 8334 | class_interface_decl->setHasExternalLexicalStorage(has_extern); |
| 8335 | class_interface_decl->setHasExternalVisibleStorage(has_extern); |
| 8336 | return true; |
| 8337 | } |
| 8338 | } |
| 8339 | } break; |
| 8340 | |
| 8341 | default: |
| 8342 | break; |
| 8343 | } |
| 8344 | return false; |
| 8345 | } |
| 8346 | |
| 8347 | #pragma mark TagDecl |
| 8348 | |
| 8349 | bool TypeSystemClang::StartTagDeclarationDefinition(const CompilerType &type) { |
| 8350 | clang::QualType qual_type(ClangUtil::GetQualType(type)); |
| 8351 | if (!qual_type.isNull()) { |
| 8352 | const clang::TagType *tag_type = qual_type->getAs<clang::TagType>(); |
| 8353 | if (tag_type) { |
| 8354 | clang::TagDecl *tag_decl = tag_type->getDecl(); |
| 8355 | if (tag_decl) { |
| 8356 | tag_decl->startDefinition(); |
| 8357 | return true; |
| 8358 | } |
| 8359 | } |
| 8360 | |
| 8361 | const clang::ObjCObjectType *object_type = |
| 8362 | qual_type->getAs<clang::ObjCObjectType>(); |
| 8363 | if (object_type) { |
| 8364 | clang::ObjCInterfaceDecl *interface_decl = object_type->getInterface(); |
| 8365 | if (interface_decl) { |
| 8366 | interface_decl->startDefinition(); |
| 8367 | return true; |
| 8368 | } |
| 8369 | } |
| 8370 | } |
| 8371 | return false; |
| 8372 | } |
| 8373 | |
| 8374 | bool TypeSystemClang::CompleteTagDeclarationDefinition( |
| 8375 | const CompilerType &type) { |
| 8376 | clang::QualType qual_type(ClangUtil::GetQualType(type)); |
| 8377 | if (qual_type.isNull()) |
| 8378 | return false; |
| 8379 | |
| 8380 | auto ts = type.GetTypeSystem(); |
| 8381 | auto lldb_ast = ts.dyn_cast_or_null<TypeSystemClang>(); |
| 8382 | if (lldb_ast == nullptr) |
| 8383 | return false; |
| 8384 | |
| 8385 | // Make sure we use the same methodology as |
| 8386 | // TypeSystemClang::StartTagDeclarationDefinition() as to how we start/end |
| 8387 | // the definition. |
| 8388 | const clang::TagType *tag_type = qual_type->getAs<clang::TagType>(); |
| 8389 | if (tag_type) { |
| 8390 | clang::TagDecl *tag_decl = tag_type->getDecl(); |
| 8391 | |
| 8392 | if (auto *cxx_record_decl = llvm::dyn_cast<CXXRecordDecl>(tag_decl)) { |
| 8393 | // If we have a move constructor declared but no copy constructor we |
| 8394 | // need to explicitly mark it as deleted. Usually Sema would do this for |
| 8395 | // us in Sema::DeclareImplicitCopyConstructor but we don't have a Sema |
| 8396 | // when building an AST from debug information. |
| 8397 | // See also: |
| 8398 | // C++11 [class.copy]p7, p18: |
| 8399 | // If the class definition declares a move constructor or move assignment |
| 8400 | // operator, an implicitly declared copy constructor or copy assignment |
| 8401 | // operator is defined as deleted. |
| 8402 | if (cxx_record_decl->hasUserDeclaredMoveConstructor() || |
| 8403 | cxx_record_decl->hasUserDeclaredMoveAssignment()) { |
| 8404 | if (cxx_record_decl->needsImplicitCopyConstructor()) |
| 8405 | cxx_record_decl->setImplicitCopyConstructorIsDeleted(); |
| 8406 | if (cxx_record_decl->needsImplicitCopyAssignment()) |
| 8407 | cxx_record_decl->setImplicitCopyAssignmentIsDeleted(); |
| 8408 | } |
| 8409 | |
| 8410 | if (!cxx_record_decl->isCompleteDefinition()) |
| 8411 | cxx_record_decl->completeDefinition(); |
| 8412 | cxx_record_decl->setHasLoadedFieldsFromExternalStorage(true); |
| 8413 | cxx_record_decl->setHasExternalLexicalStorage(false); |
| 8414 | cxx_record_decl->setHasExternalVisibleStorage(false); |
| 8415 | lldb_ast->SetCXXRecordDeclAccess(cxx_record_decl, |
| 8416 | clang::AccessSpecifier::AS_none); |
| 8417 | return true; |
| 8418 | } |
| 8419 | } |
| 8420 | |
| 8421 | const clang::EnumType *enutype = qual_type->getAs<clang::EnumType>(); |
| 8422 | |
| 8423 | if (!enutype) |
| 8424 | return false; |
| 8425 | clang::EnumDecl *enum_decl = enutype->getDecl(); |
| 8426 | |
| 8427 | if (enum_decl->isCompleteDefinition()) |
| 8428 | return true; |
| 8429 | |
| 8430 | clang::ASTContext &ast = lldb_ast->getASTContext(); |
| 8431 | |
| 8432 | /// TODO This really needs to be fixed. |
| 8433 | |
| 8434 | QualType integer_type(enum_decl->getIntegerType()); |
| 8435 | if (!integer_type.isNull()) { |
| 8436 | unsigned NumPositiveBits = 1; |
| 8437 | unsigned NumNegativeBits = 0; |
| 8438 | |
| 8439 | clang::QualType promotion_qual_type; |
| 8440 | // If the enum integer type is less than an integer in bit width, |
| 8441 | // then we must promote it to an integer size. |
| 8442 | if (ast.getTypeSize(enum_decl->getIntegerType()) < |
| 8443 | ast.getTypeSize(ast.IntTy)) { |
| 8444 | if (enum_decl->getIntegerType()->isSignedIntegerType()) |
| 8445 | promotion_qual_type = ast.IntTy; |
| 8446 | else |
| 8447 | promotion_qual_type = ast.UnsignedIntTy; |
| 8448 | } else |
| 8449 | promotion_qual_type = enum_decl->getIntegerType(); |
| 8450 | |
| 8451 | enum_decl->completeDefinition(enum_decl->getIntegerType(), |
| 8452 | promotion_qual_type, NumPositiveBits, |
| 8453 | NumNegativeBits); |
| 8454 | } |
| 8455 | return true; |
| 8456 | } |
| 8457 | |
| 8458 | clang::EnumConstantDecl *TypeSystemClang::AddEnumerationValueToEnumerationType( |
| 8459 | const CompilerType &enum_type, const Declaration &decl, const char *name, |
| 8460 | const llvm::APSInt &value) { |
| 8461 | |
| 8462 | if (!enum_type || ConstString(name).IsEmpty()) |
| 8463 | return nullptr; |
| 8464 | |
| 8465 | lldbassert(enum_type.GetTypeSystem().GetSharedPointer().get() ==lldb_private::lldb_assert(static_cast<bool>(enum_type.GetTypeSystem ().GetSharedPointer().get() == static_cast<TypeSystem *> (this)), "enum_type.GetTypeSystem().GetSharedPointer().get() == static_cast<TypeSystem *>(this)" , __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8466) |
| 8466 | static_cast<TypeSystem *>(this))lldb_private::lldb_assert(static_cast<bool>(enum_type.GetTypeSystem ().GetSharedPointer().get() == static_cast<TypeSystem *> (this)), "enum_type.GetTypeSystem().GetSharedPointer().get() == static_cast<TypeSystem *>(this)" , __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8466); |
| 8467 | |
| 8468 | lldb::opaque_compiler_type_t enum_opaque_compiler_type = |
| 8469 | enum_type.GetOpaqueQualType(); |
| 8470 | |
| 8471 | if (!enum_opaque_compiler_type) |
| 8472 | return nullptr; |
| 8473 | |
| 8474 | clang::QualType enum_qual_type( |
| 8475 | GetCanonicalQualType(enum_opaque_compiler_type)); |
| 8476 | |
| 8477 | const clang::Type *clang_type = enum_qual_type.getTypePtr(); |
| 8478 | |
| 8479 | if (!clang_type) |
| 8480 | return nullptr; |
| 8481 | |
| 8482 | const clang::EnumType *enutype = llvm::dyn_cast<clang::EnumType>(clang_type); |
| 8483 | |
| 8484 | if (!enutype) |
| 8485 | return nullptr; |
| 8486 | |
| 8487 | clang::EnumConstantDecl *enumerator_decl = |
| 8488 | clang::EnumConstantDecl::CreateDeserialized(getASTContext(), 0); |
| 8489 | enumerator_decl->setDeclContext(enutype->getDecl()); |
| 8490 | if (name && name[0]) |
| 8491 | enumerator_decl->setDeclName(&getASTContext().Idents.get(name)); |
| 8492 | enumerator_decl->setType(clang::QualType(enutype, 0)); |
| 8493 | enumerator_decl->setInitVal(value); |
| 8494 | SetMemberOwningModule(enumerator_decl, enutype->getDecl()); |
| 8495 | |
| 8496 | if (!enumerator_decl) |
| 8497 | return nullptr; |
| 8498 | |
| 8499 | enutype->getDecl()->addDecl(enumerator_decl); |
| 8500 | |
| 8501 | VerifyDecl(enumerator_decl); |
| 8502 | return enumerator_decl; |
| 8503 | } |
| 8504 | |
| 8505 | clang::EnumConstantDecl *TypeSystemClang::AddEnumerationValueToEnumerationType( |
| 8506 | const CompilerType &enum_type, const Declaration &decl, const char *name, |
| 8507 | int64_t enum_value, uint32_t enum_value_bit_size) { |
| 8508 | CompilerType underlying_type = GetEnumerationIntegerType(enum_type); |
| 8509 | bool is_signed = false; |
| 8510 | underlying_type.IsIntegerType(is_signed); |
| 8511 | |
| 8512 | llvm::APSInt value(enum_value_bit_size, is_signed); |
| 8513 | value = enum_value; |
| 8514 | |
| 8515 | return AddEnumerationValueToEnumerationType(enum_type, decl, name, value); |
| 8516 | } |
| 8517 | |
| 8518 | CompilerType TypeSystemClang::GetEnumerationIntegerType(CompilerType type) { |
| 8519 | clang::QualType qt(ClangUtil::GetQualType(type)); |
| 8520 | const clang::Type *clang_type = qt.getTypePtrOrNull(); |
| 8521 | const auto *enum_type = llvm::dyn_cast_or_null<clang::EnumType>(clang_type); |
| 8522 | if (!enum_type) |
| 8523 | return CompilerType(); |
| 8524 | |
| 8525 | return GetType(enum_type->getDecl()->getIntegerType()); |
| 8526 | } |
| 8527 | |
| 8528 | CompilerType |
| 8529 | TypeSystemClang::CreateMemberPointerType(const CompilerType &type, |
| 8530 | const CompilerType &pointee_type) { |
| 8531 | if (type && pointee_type.IsValid() && |
| 8532 | type.GetTypeSystem() == pointee_type.GetTypeSystem()) { |
| 8533 | auto ts = type.GetTypeSystem(); |
| 8534 | auto ast = ts.dyn_cast_or_null<TypeSystemClang>(); |
| 8535 | if (!ast) |
| 8536 | return CompilerType(); |
| 8537 | return ast->GetType(ast->getASTContext().getMemberPointerType( |
| 8538 | ClangUtil::GetQualType(pointee_type), |
| 8539 | ClangUtil::GetQualType(type).getTypePtr())); |
| 8540 | } |
| 8541 | return CompilerType(); |
| 8542 | } |
| 8543 | |
| 8544 | // Dumping types |
| 8545 | #define DEPTH_INCREMENT2 2 |
| 8546 | |
| 8547 | #ifndef NDEBUG |
| 8548 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void |
| 8549 | TypeSystemClang::dump(lldb::opaque_compiler_type_t type) const { |
| 8550 | if (!type) |
| 8551 | return; |
| 8552 | clang::QualType qual_type(GetQualType(type)); |
| 8553 | qual_type.dump(); |
| 8554 | } |
| 8555 | #endif |
| 8556 | |
| 8557 | void TypeSystemClang::Dump(llvm::raw_ostream &output) { |
| 8558 | GetTranslationUnitDecl()->dump(output); |
| 8559 | } |
| 8560 | |
| 8561 | void TypeSystemClang::DumpFromSymbolFile(Stream &s, |
| 8562 | llvm::StringRef symbol_name) { |
| 8563 | SymbolFile *symfile = GetSymbolFile(); |
| 8564 | |
| 8565 | if (!symfile) |
| 8566 | return; |
| 8567 | |
| 8568 | lldb_private::TypeList type_list; |
| 8569 | symfile->GetTypes(nullptr, eTypeClassAny, type_list); |
| 8570 | size_t ntypes = type_list.GetSize(); |
| 8571 | |
| 8572 | for (size_t i = 0; i < ntypes; ++i) { |
| 8573 | TypeSP type = type_list.GetTypeAtIndex(i); |
| 8574 | |
| 8575 | if (!symbol_name.empty()) |
| 8576 | if (symbol_name != type->GetName().GetStringRef()) |
| 8577 | continue; |
| 8578 | |
| 8579 | s << type->GetName().AsCString() << "\n"; |
| 8580 | |
| 8581 | CompilerType full_type = type->GetFullCompilerType(); |
| 8582 | if (clang::TagDecl *tag_decl = GetAsTagDecl(full_type)) { |
| 8583 | tag_decl->dump(s.AsRawOstream()); |
| 8584 | continue; |
| 8585 | } |
| 8586 | if (clang::TypedefNameDecl *typedef_decl = GetAsTypedefDecl(full_type)) { |
| 8587 | typedef_decl->dump(s.AsRawOstream()); |
| 8588 | continue; |
| 8589 | } |
| 8590 | if (auto *objc_obj = llvm::dyn_cast<clang::ObjCObjectType>( |
| 8591 | ClangUtil::GetQualType(full_type).getTypePtr())) { |
| 8592 | if (clang::ObjCInterfaceDecl *interface_decl = objc_obj->getInterface()) { |
| 8593 | interface_decl->dump(s.AsRawOstream()); |
| 8594 | continue; |
| 8595 | } |
| 8596 | } |
| 8597 | GetCanonicalQualType(full_type.GetOpaqueQualType()) |
| 8598 | .dump(s.AsRawOstream(), getASTContext()); |
| 8599 | } |
| 8600 | } |
| 8601 | |
| 8602 | void TypeSystemClang::DumpValue( |
| 8603 | lldb::opaque_compiler_type_t type, ExecutionContext *exe_ctx, Stream *s, |
| 8604 | lldb::Format format, const lldb_private::DataExtractor &data, |
| 8605 | lldb::offset_t data_byte_offset, size_t data_byte_size, |
| 8606 | uint32_t bitfield_bit_size, uint32_t bitfield_bit_offset, bool show_types, |
| 8607 | bool show_summary, bool verbose, uint32_t depth) { |
| 8608 | if (!type) |
| 8609 | return; |
| 8610 | |
| 8611 | clang::QualType qual_type(GetQualType(type)); |
| 8612 | switch (qual_type->getTypeClass()) { |
| 8613 | case clang::Type::Record: |
| 8614 | if (GetCompleteType(type)) { |
| 8615 | const clang::RecordType *record_type = |
| 8616 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 8617 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 8618 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8618, __extension__ __PRETTY_FUNCTION__)); |
| 8619 | uint32_t field_bit_offset = 0; |
| 8620 | uint32_t field_byte_offset = 0; |
| 8621 | const clang::ASTRecordLayout &record_layout = |
| 8622 | getASTContext().getASTRecordLayout(record_decl); |
| 8623 | uint32_t child_idx = 0; |
| 8624 | |
| 8625 | const clang::CXXRecordDecl *cxx_record_decl = |
| 8626 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 8627 | if (cxx_record_decl) { |
| 8628 | // We might have base classes to print out first |
| 8629 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
| 8630 | base_class_end; |
| 8631 | for (base_class = cxx_record_decl->bases_begin(), |
| 8632 | base_class_end = cxx_record_decl->bases_end(); |
| 8633 | base_class != base_class_end; ++base_class) { |
| 8634 | const clang::CXXRecordDecl *base_class_decl = |
| 8635 | llvm::cast<clang::CXXRecordDecl>( |
| 8636 | base_class->getType()->getAs<clang::RecordType>()->getDecl()); |
| 8637 | |
| 8638 | // Skip empty base classes |
| 8639 | if (!verbose && !TypeSystemClang::RecordHasFields(base_class_decl)) |
| 8640 | continue; |
| 8641 | |
| 8642 | if (base_class->isVirtual()) |
| 8643 | field_bit_offset = |
| 8644 | record_layout.getVBaseClassOffset(base_class_decl) |
| 8645 | .getQuantity() * |
| 8646 | 8; |
| 8647 | else |
| 8648 | field_bit_offset = record_layout.getBaseClassOffset(base_class_decl) |
| 8649 | .getQuantity() * |
| 8650 | 8; |
| 8651 | field_byte_offset = field_bit_offset / 8; |
| 8652 | assert(field_bit_offset % 8 == 0)(static_cast <bool> (field_bit_offset % 8 == 0) ? void ( 0) : __assert_fail ("field_bit_offset % 8 == 0", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8652, __extension__ __PRETTY_FUNCTION__)); |
| 8653 | if (child_idx == 0) |
| 8654 | s->PutChar('{'); |
| 8655 | else |
| 8656 | s->PutChar(','); |
| 8657 | |
| 8658 | clang::QualType base_class_qual_type = base_class->getType(); |
| 8659 | std::string base_class_type_name(base_class_qual_type.getAsString()); |
| 8660 | |
| 8661 | // Indent and print the base class type name |
| 8662 | s->Format("\n{0}{1}", llvm::fmt_repeat(" ", depth + DEPTH_INCREMENT2), |
| 8663 | base_class_type_name); |
| 8664 | |
| 8665 | clang::TypeInfo base_class_type_info = |
| 8666 | getASTContext().getTypeInfo(base_class_qual_type); |
| 8667 | |
| 8668 | // Dump the value of the member |
| 8669 | CompilerType base_clang_type = GetType(base_class_qual_type); |
| 8670 | base_clang_type.DumpValue( |
| 8671 | exe_ctx, |
| 8672 | s, // Stream to dump to |
| 8673 | base_clang_type |
| 8674 | .GetFormat(), // The format with which to display the member |
| 8675 | data, // Data buffer containing all bytes for this type |
| 8676 | data_byte_offset + field_byte_offset, // Offset into "data" where |
| 8677 | // to grab value from |
| 8678 | base_class_type_info.Width / 8, // Size of this type in bytes |
| 8679 | 0, // Bitfield bit size |
| 8680 | 0, // Bitfield bit offset |
| 8681 | show_types, // Boolean indicating if we should show the variable |
| 8682 | // types |
| 8683 | show_summary, // Boolean indicating if we should show a summary |
| 8684 | // for the current type |
| 8685 | verbose, // Verbose output? |
| 8686 | depth + DEPTH_INCREMENT2); // Scope depth for any types that have |
| 8687 | // children |
| 8688 | |
| 8689 | ++child_idx; |
| 8690 | } |
| 8691 | } |
| 8692 | uint32_t field_idx = 0; |
| 8693 | clang::RecordDecl::field_iterator field, field_end; |
| 8694 | for (field = record_decl->field_begin(), |
| 8695 | field_end = record_decl->field_end(); |
| 8696 | field != field_end; ++field, ++field_idx, ++child_idx) { |
| 8697 | // Print the starting squiggly bracket (if this is the first member) or |
| 8698 | // comma (for member 2 and beyond) for the struct/union/class member. |
| 8699 | if (child_idx == 0) |
| 8700 | s->PutChar('{'); |
| 8701 | else |
| 8702 | s->PutChar(','); |
| 8703 | |
| 8704 | // Indent |
| 8705 | s->Printf("\n%*s", depth + DEPTH_INCREMENT2, ""); |
| 8706 | |
| 8707 | clang::QualType field_type = field->getType(); |
| 8708 | // Print the member type if requested |
| 8709 | // Figure out the type byte size (field_type_info.first) and alignment |
| 8710 | // (field_type_info.second) from the AST context. |
| 8711 | clang::TypeInfo field_type_info = |
| 8712 | getASTContext().getTypeInfo(field_type); |
| 8713 | assert(field_idx < record_layout.getFieldCount())(static_cast <bool> (field_idx < record_layout.getFieldCount ()) ? void (0) : __assert_fail ("field_idx < record_layout.getFieldCount()" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 8713, __extension__ __PRETTY_FUNCTION__)); |
| 8714 | // Figure out the field offset within the current struct/union/class |
| 8715 | // type |
| 8716 | field_bit_offset = record_layout.getFieldOffset(field_idx); |
| 8717 | field_byte_offset = field_bit_offset / 8; |
| 8718 | uint32_t field_bitfield_bit_size = 0; |
| 8719 | uint32_t field_bitfield_bit_offset = 0; |
| 8720 | if (FieldIsBitfield(*field, field_bitfield_bit_size)) |
| 8721 | field_bitfield_bit_offset = field_bit_offset % 8; |
| 8722 | |
| 8723 | if (show_types) { |
| 8724 | std::string field_type_name(field_type.getAsString()); |
| 8725 | if (field_bitfield_bit_size > 0) |
| 8726 | s->Printf("(%s:%u) ", field_type_name.c_str(), |
| 8727 | field_bitfield_bit_size); |
| 8728 | else |
| 8729 | s->Printf("(%s) ", field_type_name.c_str()); |
| 8730 | } |
| 8731 | // Print the member name and equal sign |
| 8732 | s->Printf("%s = ", field->getNameAsString().c_str()); |
| 8733 | |
| 8734 | // Dump the value of the member |
| 8735 | CompilerType field_clang_type = GetType(field_type); |
| 8736 | field_clang_type.DumpValue( |
| 8737 | exe_ctx, |
| 8738 | s, // Stream to dump to |
| 8739 | field_clang_type |
| 8740 | .GetFormat(), // The format with which to display the member |
| 8741 | data, // Data buffer containing all bytes for this type |
| 8742 | data_byte_offset + field_byte_offset, // Offset into "data" where to |
| 8743 | // grab value from |
| 8744 | field_type_info.Width / 8, // Size of this type in bytes |
| 8745 | field_bitfield_bit_size, // Bitfield bit size |
| 8746 | field_bitfield_bit_offset, // Bitfield bit offset |
| 8747 | show_types, // Boolean indicating if we should show the variable |
| 8748 | // types |
| 8749 | show_summary, // Boolean indicating if we should show a summary for |
| 8750 | // the current type |
| 8751 | verbose, // Verbose output? |
| 8752 | depth + DEPTH_INCREMENT2); // Scope depth for any types that have |
| 8753 | // children |
| 8754 | } |
| 8755 | |
| 8756 | // Indent the trailing squiggly bracket |
| 8757 | if (child_idx > 0) |
| 8758 | s->Printf("\n%*s}", depth, ""); |
| 8759 | } |
| 8760 | return; |
| 8761 | |
| 8762 | case clang::Type::Enum: |
| 8763 | if (GetCompleteType(type)) { |
| 8764 | const clang::EnumType *enutype = |
| 8765 | llvm::cast<clang::EnumType>(qual_type.getTypePtr()); |
| 8766 | const clang::EnumDecl *enum_decl = enutype->getDecl(); |
| 8767 | assert(enum_decl)(static_cast <bool> (enum_decl) ? void (0) : __assert_fail ("enum_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8767, __extension__ __PRETTY_FUNCTION__)); |
| 8768 | clang::EnumDecl::enumerator_iterator enum_pos, enum_end_pos; |
| 8769 | lldb::offset_t offset = data_byte_offset; |
| 8770 | const int64_t enum_value = data.GetMaxU64Bitfield( |
| 8771 | &offset, data_byte_size, bitfield_bit_size, bitfield_bit_offset); |
| 8772 | for (enum_pos = enum_decl->enumerator_begin(), |
| 8773 | enum_end_pos = enum_decl->enumerator_end(); |
| 8774 | enum_pos != enum_end_pos; ++enum_pos) { |
| 8775 | if (enum_pos->getInitVal() == enum_value) { |
| 8776 | s->Printf("%s", enum_pos->getNameAsString().c_str()); |
| 8777 | return; |
| 8778 | } |
| 8779 | } |
| 8780 | // If we have gotten here we didn't get find the enumerator in the enum |
| 8781 | // decl, so just print the integer. |
| 8782 | s->Printf("%" PRIi64"l" "i", enum_value); |
| 8783 | } |
| 8784 | return; |
| 8785 | |
| 8786 | case clang::Type::ConstantArray: { |
| 8787 | const clang::ConstantArrayType *array = |
| 8788 | llvm::cast<clang::ConstantArrayType>(qual_type.getTypePtr()); |
| 8789 | bool is_array_of_characters = false; |
| 8790 | clang::QualType element_qual_type = array->getElementType(); |
| 8791 | |
| 8792 | const clang::Type *canonical_type = |
| 8793 | element_qual_type->getCanonicalTypeInternal().getTypePtr(); |
| 8794 | if (canonical_type) |
| 8795 | is_array_of_characters = canonical_type->isCharType(); |
| 8796 | |
| 8797 | const uint64_t element_count = array->getSize().getLimitedValue(); |
| 8798 | |
| 8799 | clang::TypeInfo field_type_info = |
| 8800 | getASTContext().getTypeInfo(element_qual_type); |
| 8801 | |
| 8802 | uint32_t element_idx = 0; |
| 8803 | uint32_t element_offset = 0; |
| 8804 | uint64_t element_byte_size = field_type_info.Width / 8; |
| 8805 | uint32_t element_stride = element_byte_size; |
| 8806 | |
| 8807 | if (is_array_of_characters) { |
| 8808 | s->PutChar('"'); |
| 8809 | DumpDataExtractor(data, s, data_byte_offset, lldb::eFormatChar, |
| 8810 | element_byte_size, element_count, UINT32_MAX(4294967295U), |
| 8811 | LLDB_INVALID_ADDRESS(18446744073709551615UL), 0, 0); |
| 8812 | s->PutChar('"'); |
| 8813 | return; |
| 8814 | } else { |
| 8815 | CompilerType element_clang_type = GetType(element_qual_type); |
| 8816 | lldb::Format element_format = element_clang_type.GetFormat(); |
| 8817 | |
| 8818 | for (element_idx = 0; element_idx < element_count; ++element_idx) { |
| 8819 | // Print the starting squiggly bracket (if this is the first member) or |
| 8820 | // comman (for member 2 and beyong) for the struct/union/class member. |
| 8821 | if (element_idx == 0) |
| 8822 | s->PutChar('{'); |
| 8823 | else |
| 8824 | s->PutChar(','); |
| 8825 | |
| 8826 | // Indent and print the index |
| 8827 | s->Printf("\n%*s[%u] ", depth + DEPTH_INCREMENT2, "", element_idx); |
| 8828 | |
| 8829 | // Figure out the field offset within the current struct/union/class |
| 8830 | // type |
| 8831 | element_offset = element_idx * element_stride; |
| 8832 | |
| 8833 | // Dump the value of the member |
| 8834 | element_clang_type.DumpValue( |
| 8835 | exe_ctx, |
| 8836 | s, // Stream to dump to |
| 8837 | element_format, // The format with which to display the element |
| 8838 | data, // Data buffer containing all bytes for this type |
| 8839 | data_byte_offset + |
| 8840 | element_offset, // Offset into "data" where to grab value from |
| 8841 | element_byte_size, // Size of this type in bytes |
| 8842 | 0, // Bitfield bit size |
| 8843 | 0, // Bitfield bit offset |
| 8844 | show_types, // Boolean indicating if we should show the variable |
| 8845 | // types |
| 8846 | show_summary, // Boolean indicating if we should show a summary for |
| 8847 | // the current type |
| 8848 | verbose, // Verbose output? |
| 8849 | depth + DEPTH_INCREMENT2); // Scope depth for any types that have |
| 8850 | // children |
| 8851 | } |
| 8852 | |
| 8853 | // Indent the trailing squiggly bracket |
| 8854 | if (element_idx > 0) |
| 8855 | s->Printf("\n%*s}", depth, ""); |
| 8856 | } |
| 8857 | } |
| 8858 | return; |
| 8859 | |
| 8860 | case clang::Type::Typedef: { |
| 8861 | clang::QualType typedef_qual_type = |
| 8862 | llvm::cast<clang::TypedefType>(qual_type) |
| 8863 | ->getDecl() |
| 8864 | ->getUnderlyingType(); |
| 8865 | |
| 8866 | CompilerType typedef_clang_type = GetType(typedef_qual_type); |
| 8867 | lldb::Format typedef_format = typedef_clang_type.GetFormat(); |
| 8868 | clang::TypeInfo typedef_type_info = |
| 8869 | getASTContext().getTypeInfo(typedef_qual_type); |
| 8870 | uint64_t typedef_byte_size = typedef_type_info.Width / 8; |
| 8871 | |
| 8872 | return typedef_clang_type.DumpValue( |
| 8873 | exe_ctx, |
| 8874 | s, // Stream to dump to |
| 8875 | typedef_format, // The format with which to display the element |
| 8876 | data, // Data buffer containing all bytes for this type |
| 8877 | data_byte_offset, // Offset into "data" where to grab value from |
| 8878 | typedef_byte_size, // Size of this type in bytes |
| 8879 | bitfield_bit_size, // Bitfield bit size |
| 8880 | bitfield_bit_offset, // Bitfield bit offset |
| 8881 | show_types, // Boolean indicating if we should show the variable types |
| 8882 | show_summary, // Boolean indicating if we should show a summary for the |
| 8883 | // current type |
| 8884 | verbose, // Verbose output? |
| 8885 | depth); // Scope depth for any types that have children |
| 8886 | } break; |
| 8887 | |
| 8888 | case clang::Type::Auto: { |
| 8889 | clang::QualType elaborated_qual_type = |
| 8890 | llvm::cast<clang::AutoType>(qual_type)->getDeducedType(); |
| 8891 | CompilerType elaborated_clang_type = GetType(elaborated_qual_type); |
| 8892 | lldb::Format elaborated_format = elaborated_clang_type.GetFormat(); |
| 8893 | clang::TypeInfo elaborated_type_info = |
| 8894 | getASTContext().getTypeInfo(elaborated_qual_type); |
| 8895 | uint64_t elaborated_byte_size = elaborated_type_info.Width / 8; |
| 8896 | |
| 8897 | return elaborated_clang_type.DumpValue( |
| 8898 | exe_ctx, |
| 8899 | s, // Stream to dump to |
| 8900 | elaborated_format, // The format with which to display the element |
| 8901 | data, // Data buffer containing all bytes for this type |
| 8902 | data_byte_offset, // Offset into "data" where to grab value from |
| 8903 | elaborated_byte_size, // Size of this type in bytes |
| 8904 | bitfield_bit_size, // Bitfield bit size |
| 8905 | bitfield_bit_offset, // Bitfield bit offset |
| 8906 | show_types, // Boolean indicating if we should show the variable types |
| 8907 | show_summary, // Boolean indicating if we should show a summary for the |
| 8908 | // current type |
| 8909 | verbose, // Verbose output? |
| 8910 | depth); // Scope depth for any types that have children |
| 8911 | } break; |
| 8912 | |
| 8913 | case clang::Type::Elaborated: { |
| 8914 | clang::QualType elaborated_qual_type = |
| 8915 | llvm::cast<clang::ElaboratedType>(qual_type)->getNamedType(); |
| 8916 | CompilerType elaborated_clang_type = GetType(elaborated_qual_type); |
| 8917 | lldb::Format elaborated_format = elaborated_clang_type.GetFormat(); |
| 8918 | clang::TypeInfo elaborated_type_info = |
| 8919 | getASTContext().getTypeInfo(elaborated_qual_type); |
| 8920 | uint64_t elaborated_byte_size = elaborated_type_info.Width / 8; |
| 8921 | |
| 8922 | return elaborated_clang_type.DumpValue( |
| 8923 | exe_ctx, |
| 8924 | s, // Stream to dump to |
| 8925 | elaborated_format, // The format with which to display the element |
| 8926 | data, // Data buffer containing all bytes for this type |
| 8927 | data_byte_offset, // Offset into "data" where to grab value from |
| 8928 | elaborated_byte_size, // Size of this type in bytes |
| 8929 | bitfield_bit_size, // Bitfield bit size |
| 8930 | bitfield_bit_offset, // Bitfield bit offset |
| 8931 | show_types, // Boolean indicating if we should show the variable types |
| 8932 | show_summary, // Boolean indicating if we should show a summary for the |
| 8933 | // current type |
| 8934 | verbose, // Verbose output? |
| 8935 | depth); // Scope depth for any types that have children |
| 8936 | } break; |
| 8937 | |
| 8938 | case clang::Type::Paren: { |
| 8939 | clang::QualType desugar_qual_type = |
| 8940 | llvm::cast<clang::ParenType>(qual_type)->desugar(); |
| 8941 | CompilerType desugar_clang_type = GetType(desugar_qual_type); |
| 8942 | |
| 8943 | lldb::Format desugar_format = desugar_clang_type.GetFormat(); |
| 8944 | clang::TypeInfo desugar_type_info = |
| 8945 | getASTContext().getTypeInfo(desugar_qual_type); |
| 8946 | uint64_t desugar_byte_size = desugar_type_info.Width / 8; |
| 8947 | |
| 8948 | return desugar_clang_type.DumpValue( |
| 8949 | exe_ctx, |
| 8950 | s, // Stream to dump to |
| 8951 | desugar_format, // The format with which to display the element |
| 8952 | data, // Data buffer containing all bytes for this type |
| 8953 | data_byte_offset, // Offset into "data" where to grab value from |
| 8954 | desugar_byte_size, // Size of this type in bytes |
| 8955 | bitfield_bit_size, // Bitfield bit size |
| 8956 | bitfield_bit_offset, // Bitfield bit offset |
| 8957 | show_types, // Boolean indicating if we should show the variable types |
| 8958 | show_summary, // Boolean indicating if we should show a summary for the |
| 8959 | // current type |
| 8960 | verbose, // Verbose output? |
| 8961 | depth); // Scope depth for any types that have children |
| 8962 | } break; |
| 8963 | |
| 8964 | default: |
| 8965 | // We are down to a scalar type that we just need to display. |
| 8966 | DumpDataExtractor(data, s, data_byte_offset, format, data_byte_size, 1, |
| 8967 | UINT32_MAX(4294967295U), LLDB_INVALID_ADDRESS(18446744073709551615UL), bitfield_bit_size, |
| 8968 | bitfield_bit_offset); |
| 8969 | |
| 8970 | if (show_summary) |
| 8971 | DumpSummary(type, exe_ctx, s, data, data_byte_offset, data_byte_size); |
| 8972 | break; |
| 8973 | } |
| 8974 | } |
| 8975 | |
| 8976 | static bool DumpEnumValue(const clang::QualType &qual_type, Stream *s, |
| 8977 | const DataExtractor &data, lldb::offset_t byte_offset, |
| 8978 | size_t byte_size, uint32_t bitfield_bit_offset, |
| 8979 | uint32_t bitfield_bit_size) { |
| 8980 | const clang::EnumType *enutype = |
| 8981 | llvm::cast<clang::EnumType>(qual_type.getTypePtr()); |
| 8982 | const clang::EnumDecl *enum_decl = enutype->getDecl(); |
| 8983 | assert(enum_decl)(static_cast <bool> (enum_decl) ? void (0) : __assert_fail ("enum_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 8983, __extension__ __PRETTY_FUNCTION__)); |
| 8984 | lldb::offset_t offset = byte_offset; |
| 8985 | const uint64_t enum_svalue = data.GetMaxS64Bitfield( |
| 8986 | &offset, byte_size, bitfield_bit_size, bitfield_bit_offset); |
| 8987 | bool can_be_bitfield = true; |
| 8988 | uint64_t covered_bits = 0; |
| 8989 | int num_enumerators = 0; |
| 8990 | |
| 8991 | // Try to find an exact match for the value. |
| 8992 | // At the same time, we're applying a heuristic to determine whether we want |
| 8993 | // to print this enum as a bitfield. We're likely dealing with a bitfield if |
| 8994 | // every enumerator is either a one bit value or a superset of the previous |
| 8995 | // enumerators. Also 0 doesn't make sense when the enumerators are used as |
| 8996 | // flags. |
| 8997 | for (auto *enumerator : enum_decl->enumerators()) { |
| 8998 | uint64_t val = enumerator->getInitVal().getSExtValue(); |
| 8999 | val = llvm::SignExtend64(val, 8*byte_size); |
| 9000 | if (llvm::popcount(val) != 1 && (val & ~covered_bits) != 0) |
| 9001 | can_be_bitfield = false; |
| 9002 | covered_bits |= val; |
| 9003 | ++num_enumerators; |
| 9004 | if (val == enum_svalue) { |
| 9005 | // Found an exact match, that's all we need to do. |
| 9006 | s->PutCString(enumerator->getNameAsString()); |
| 9007 | return true; |
| 9008 | } |
| 9009 | } |
| 9010 | |
| 9011 | // Unsigned values make more sense for flags. |
| 9012 | offset = byte_offset; |
| 9013 | const uint64_t enum_uvalue = data.GetMaxU64Bitfield( |
| 9014 | &offset, byte_size, bitfield_bit_size, bitfield_bit_offset); |
| 9015 | |
| 9016 | // No exact match, but we don't think this is a bitfield. Print the value as |
| 9017 | // decimal. |
| 9018 | if (!can_be_bitfield) { |
| 9019 | if (qual_type->isSignedIntegerOrEnumerationType()) |
| 9020 | s->Printf("%" PRIi64"l" "i", enum_svalue); |
| 9021 | else |
| 9022 | s->Printf("%" PRIu64"l" "u", enum_uvalue); |
| 9023 | return true; |
| 9024 | } |
| 9025 | |
| 9026 | uint64_t remaining_value = enum_uvalue; |
| 9027 | std::vector<std::pair<uint64_t, llvm::StringRef>> values; |
| 9028 | values.reserve(num_enumerators); |
| 9029 | for (auto *enumerator : enum_decl->enumerators()) |
| 9030 | if (auto val = enumerator->getInitVal().getZExtValue()) |
| 9031 | values.emplace_back(val, enumerator->getName()); |
| 9032 | |
| 9033 | // Sort in reverse order of the number of the population count, so that in |
| 9034 | // `enum {A, B, ALL = A|B }` we visit ALL first. Use a stable sort so that |
| 9035 | // A | C where A is declared before C is displayed in this order. |
| 9036 | std::stable_sort(values.begin(), values.end(), |
| 9037 | [](const auto &a, const auto &b) { |
| 9038 | return llvm::popcount(a.first) > llvm::popcount(b.first); |
| 9039 | }); |
| 9040 | |
| 9041 | for (const auto &val : values) { |
| 9042 | if ((remaining_value & val.first) != val.first) |
| 9043 | continue; |
| 9044 | remaining_value &= ~val.first; |
| 9045 | s->PutCString(val.second); |
| 9046 | if (remaining_value) |
| 9047 | s->PutCString(" | "); |
| 9048 | } |
| 9049 | |
| 9050 | // If there is a remainder that is not covered by the value, print it as hex. |
| 9051 | if (remaining_value) |
| 9052 | s->Printf("0x%" PRIx64"l" "x", remaining_value); |
| 9053 | |
| 9054 | return true; |
| 9055 | } |
| 9056 | |
| 9057 | bool TypeSystemClang::DumpTypeValue( |
| 9058 | lldb::opaque_compiler_type_t type, Stream *s, lldb::Format format, |
| 9059 | const lldb_private::DataExtractor &data, lldb::offset_t byte_offset, |
| 9060 | size_t byte_size, uint32_t bitfield_bit_size, uint32_t bitfield_bit_offset, |
| 9061 | ExecutionContextScope *exe_scope) { |
| 9062 | if (!type) |
| 9063 | return false; |
| 9064 | if (IsAggregateType(type)) { |
| 9065 | return false; |
| 9066 | } else { |
| 9067 | clang::QualType qual_type(GetQualType(type)); |
| 9068 | |
| 9069 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 9070 | |
| 9071 | if (type_class == clang::Type::Elaborated) { |
| 9072 | qual_type = llvm::cast<clang::ElaboratedType>(qual_type)->getNamedType(); |
| 9073 | return DumpTypeValue(qual_type.getAsOpaquePtr(), s, format, data, byte_offset, byte_size, |
| 9074 | bitfield_bit_size, bitfield_bit_offset, exe_scope); |
| 9075 | } |
| 9076 | |
| 9077 | switch (type_class) { |
| 9078 | case clang::Type::Typedef: { |
| 9079 | clang::QualType typedef_qual_type = |
| 9080 | llvm::cast<clang::TypedefType>(qual_type) |
| 9081 | ->getDecl() |
| 9082 | ->getUnderlyingType(); |
| 9083 | CompilerType typedef_clang_type = GetType(typedef_qual_type); |
| 9084 | if (format == eFormatDefault) |
| 9085 | format = typedef_clang_type.GetFormat(); |
| 9086 | clang::TypeInfo typedef_type_info = |
| 9087 | getASTContext().getTypeInfo(typedef_qual_type); |
| 9088 | uint64_t typedef_byte_size = typedef_type_info.Width / 8; |
| 9089 | |
| 9090 | return typedef_clang_type.DumpTypeValue( |
| 9091 | s, |
| 9092 | format, // The format with which to display the element |
| 9093 | data, // Data buffer containing all bytes for this type |
| 9094 | byte_offset, // Offset into "data" where to grab value from |
| 9095 | typedef_byte_size, // Size of this type in bytes |
| 9096 | bitfield_bit_size, // Size in bits of a bitfield value, if zero don't |
| 9097 | // treat as a bitfield |
| 9098 | bitfield_bit_offset, // Offset in bits of a bitfield value if |
| 9099 | // bitfield_bit_size != 0 |
| 9100 | exe_scope); |
| 9101 | } break; |
| 9102 | |
| 9103 | case clang::Type::Enum: |
| 9104 | // If our format is enum or default, show the enumeration value as its |
| 9105 | // enumeration string value, else just display it as requested. |
| 9106 | if ((format == eFormatEnum || format == eFormatDefault) && |
| 9107 | GetCompleteType(type)) |
| 9108 | return DumpEnumValue(qual_type, s, data, byte_offset, byte_size, |
| 9109 | bitfield_bit_offset, bitfield_bit_size); |
| 9110 | // format was not enum, just fall through and dump the value as |
| 9111 | // requested.... |
| 9112 | [[fallthrough]]; |
| 9113 | |
| 9114 | default: |
| 9115 | // We are down to a scalar type that we just need to display. |
| 9116 | { |
| 9117 | uint32_t item_count = 1; |
| 9118 | // A few formats, we might need to modify our size and count for |
| 9119 | // depending |
| 9120 | // on how we are trying to display the value... |
| 9121 | switch (format) { |
| 9122 | default: |
| 9123 | case eFormatBoolean: |
| 9124 | case eFormatBinary: |
| 9125 | case eFormatComplex: |
| 9126 | case eFormatCString: // NULL terminated C strings |
| 9127 | case eFormatDecimal: |
| 9128 | case eFormatEnum: |
| 9129 | case eFormatHex: |
| 9130 | case eFormatHexUppercase: |
| 9131 | case eFormatFloat: |
| 9132 | case eFormatOctal: |
| 9133 | case eFormatOSType: |
| 9134 | case eFormatUnsigned: |
| 9135 | case eFormatPointer: |
| 9136 | case eFormatVectorOfChar: |
| 9137 | case eFormatVectorOfSInt8: |
| 9138 | case eFormatVectorOfUInt8: |
| 9139 | case eFormatVectorOfSInt16: |
| 9140 | case eFormatVectorOfUInt16: |
| 9141 | case eFormatVectorOfSInt32: |
| 9142 | case eFormatVectorOfUInt32: |
| 9143 | case eFormatVectorOfSInt64: |
| 9144 | case eFormatVectorOfUInt64: |
| 9145 | case eFormatVectorOfFloat32: |
| 9146 | case eFormatVectorOfFloat64: |
| 9147 | case eFormatVectorOfUInt128: |
| 9148 | break; |
| 9149 | |
| 9150 | case eFormatChar: |
| 9151 | case eFormatCharPrintable: |
| 9152 | case eFormatCharArray: |
| 9153 | case eFormatBytes: |
| 9154 | case eFormatUnicode8: |
| 9155 | case eFormatBytesWithASCII: |
| 9156 | item_count = byte_size; |
| 9157 | byte_size = 1; |
| 9158 | break; |
| 9159 | |
| 9160 | case eFormatUnicode16: |
| 9161 | item_count = byte_size / 2; |
| 9162 | byte_size = 2; |
| 9163 | break; |
| 9164 | |
| 9165 | case eFormatUnicode32: |
| 9166 | item_count = byte_size / 4; |
| 9167 | byte_size = 4; |
| 9168 | break; |
| 9169 | } |
| 9170 | return DumpDataExtractor(data, s, byte_offset, format, byte_size, |
| 9171 | item_count, UINT32_MAX(4294967295U), LLDB_INVALID_ADDRESS(18446744073709551615UL), |
| 9172 | bitfield_bit_size, bitfield_bit_offset, |
| 9173 | exe_scope); |
| 9174 | } |
| 9175 | break; |
| 9176 | } |
| 9177 | } |
| 9178 | return false; |
| 9179 | } |
| 9180 | |
| 9181 | void TypeSystemClang::DumpSummary(lldb::opaque_compiler_type_t type, |
| 9182 | ExecutionContext *exe_ctx, Stream *s, |
| 9183 | const lldb_private::DataExtractor &data, |
| 9184 | lldb::offset_t data_byte_offset, |
| 9185 | size_t data_byte_size) { |
| 9186 | uint32_t length = 0; |
| 9187 | if (IsCStringType(type, length)) { |
| 9188 | if (exe_ctx) { |
| 9189 | Process *process = exe_ctx->GetProcessPtr(); |
| 9190 | if (process) { |
| 9191 | lldb::offset_t offset = data_byte_offset; |
| 9192 | lldb::addr_t pointer_address = data.GetMaxU64(&offset, data_byte_size); |
| 9193 | std::vector<uint8_t> buf; |
| 9194 | if (length > 0) |
| 9195 | buf.resize(length); |
| 9196 | else |
| 9197 | buf.resize(256); |
| 9198 | |
| 9199 | DataExtractor cstr_data(&buf.front(), buf.size(), |
| 9200 | process->GetByteOrder(), 4); |
| 9201 | buf.back() = '\0'; |
| 9202 | size_t bytes_read; |
| 9203 | size_t total_cstr_len = 0; |
| 9204 | Status error; |
| 9205 | while ((bytes_read = process->ReadMemory(pointer_address, &buf.front(), |
Although the value stored to 'bytes_read' is used in the enclosing expression, the value is never actually read from 'bytes_read' | |
| 9206 | buf.size(), error)) > 0) { |
| 9207 | const size_t len = strlen((const char *)&buf.front()); |
| 9208 | if (len == 0) |
| 9209 | break; |
| 9210 | if (total_cstr_len == 0) |
| 9211 | s->PutCString(" \""); |
| 9212 | DumpDataExtractor(cstr_data, s, 0, lldb::eFormatChar, 1, len, |
| 9213 | UINT32_MAX(4294967295U), LLDB_INVALID_ADDRESS(18446744073709551615UL), 0, 0); |
| 9214 | total_cstr_len += len; |
| 9215 | if (len < buf.size()) |
| 9216 | break; |
| 9217 | pointer_address += total_cstr_len; |
| 9218 | } |
| 9219 | if (total_cstr_len > 0) |
| 9220 | s->PutChar('"'); |
| 9221 | } |
| 9222 | } |
| 9223 | } |
| 9224 | } |
| 9225 | |
| 9226 | void TypeSystemClang::DumpTypeDescription(lldb::opaque_compiler_type_t type, |
| 9227 | lldb::DescriptionLevel level) { |
| 9228 | StreamFile s(stdoutstdout, false); |
| 9229 | DumpTypeDescription(type, &s, level); |
| 9230 | |
| 9231 | CompilerType ct(weak_from_this(), type); |
| 9232 | const clang::Type *clang_type = ClangUtil::GetQualType(ct).getTypePtr(); |
| 9233 | ClangASTMetadata *metadata = GetMetadata(clang_type); |
| 9234 | if (metadata) { |
| 9235 | metadata->Dump(&s); |
| 9236 | } |
| 9237 | } |
| 9238 | |
| 9239 | void TypeSystemClang::DumpTypeDescription(lldb::opaque_compiler_type_t type, |
| 9240 | Stream *s, |
| 9241 | lldb::DescriptionLevel level) { |
| 9242 | if (type) { |
| 9243 | clang::QualType qual_type = |
| 9244 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}); |
| 9245 | |
| 9246 | llvm::SmallVector<char, 1024> buf; |
| 9247 | llvm::raw_svector_ostream llvm_ostrm(buf); |
| 9248 | |
| 9249 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 9250 | switch (type_class) { |
| 9251 | case clang::Type::ObjCObject: |
| 9252 | case clang::Type::ObjCInterface: { |
| 9253 | GetCompleteType(type); |
| 9254 | |
| 9255 | auto *objc_class_type = |
| 9256 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 9257 | assert(objc_class_type)(static_cast <bool> (objc_class_type) ? void (0) : __assert_fail ("objc_class_type", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 9257, __extension__ __PRETTY_FUNCTION__)); |
| 9258 | if (!objc_class_type) |
| 9259 | break; |
| 9260 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 9261 | objc_class_type->getInterface(); |
| 9262 | if (!class_interface_decl) |
| 9263 | break; |
| 9264 | if (level == eDescriptionLevelVerbose) |
| 9265 | class_interface_decl->dump(llvm_ostrm); |
| 9266 | else |
| 9267 | class_interface_decl->print(llvm_ostrm, |
| 9268 | getASTContext().getPrintingPolicy(), |
| 9269 | s->GetIndentLevel()); |
| 9270 | } break; |
| 9271 | |
| 9272 | case clang::Type::Typedef: { |
| 9273 | auto *typedef_type = qual_type->getAs<clang::TypedefType>(); |
| 9274 | if (!typedef_type) |
| 9275 | break; |
| 9276 | const clang::TypedefNameDecl *typedef_decl = typedef_type->getDecl(); |
| 9277 | if (level == eDescriptionLevelVerbose) |
| 9278 | typedef_decl->dump(llvm_ostrm); |
| 9279 | else { |
| 9280 | std::string clang_typedef_name(GetTypeNameForDecl(typedef_decl)); |
| 9281 | if (!clang_typedef_name.empty()) { |
| 9282 | s->PutCString("typedef "); |
| 9283 | s->PutCString(clang_typedef_name); |
| 9284 | } |
| 9285 | } |
| 9286 | } break; |
| 9287 | |
| 9288 | case clang::Type::Record: { |
| 9289 | GetCompleteType(type); |
| 9290 | |
| 9291 | auto *record_type = llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 9292 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 9293 | if (level == eDescriptionLevelVerbose) |
| 9294 | record_decl->dump(llvm_ostrm); |
| 9295 | else { |
| 9296 | record_decl->print(llvm_ostrm, getASTContext().getPrintingPolicy(), |
| 9297 | s->GetIndentLevel()); |
| 9298 | } |
| 9299 | } break; |
| 9300 | |
| 9301 | default: { |
| 9302 | if (auto *tag_type = |
| 9303 | llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr())) { |
| 9304 | if (clang::TagDecl *tag_decl = tag_type->getDecl()) { |
| 9305 | if (level == eDescriptionLevelVerbose) |
| 9306 | tag_decl->dump(llvm_ostrm); |
| 9307 | else |
| 9308 | tag_decl->print(llvm_ostrm, 0); |
| 9309 | } |
| 9310 | } else { |
| 9311 | if (level == eDescriptionLevelVerbose) |
| 9312 | qual_type->dump(llvm_ostrm, getASTContext()); |
| 9313 | else { |
| 9314 | std::string clang_type_name(qual_type.getAsString()); |
| 9315 | if (!clang_type_name.empty()) |
| 9316 | s->PutCString(clang_type_name); |
| 9317 | } |
| 9318 | } |
| 9319 | } |
| 9320 | } |
| 9321 | |
| 9322 | if (buf.size() > 0) { |
| 9323 | s->Write(buf.data(), buf.size()); |
| 9324 | } |
| 9325 | } |
| 9326 | } |
| 9327 | |
| 9328 | void TypeSystemClang::DumpTypeName(const CompilerType &type) { |
| 9329 | if (ClangUtil::IsClangType(type)) { |
| 9330 | clang::QualType qual_type( |
| 9331 | ClangUtil::GetCanonicalQualType(ClangUtil::RemoveFastQualifiers(type))); |
| 9332 | |
| 9333 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 9334 | switch (type_class) { |
| 9335 | case clang::Type::Record: { |
| 9336 | const clang::CXXRecordDecl *cxx_record_decl = |
| 9337 | qual_type->getAsCXXRecordDecl(); |
| 9338 | if (cxx_record_decl) |
| 9339 | printf("class %s", cxx_record_decl->getName().str().c_str()); |
| 9340 | } break; |
| 9341 | |
| 9342 | case clang::Type::Enum: { |
| 9343 | clang::EnumDecl *enum_decl = |
| 9344 | llvm::cast<clang::EnumType>(qual_type)->getDecl(); |
| 9345 | if (enum_decl) { |
| 9346 | printf("enum %s", enum_decl->getName().str().c_str()); |
| 9347 | } |
| 9348 | } break; |
| 9349 | |
| 9350 | case clang::Type::ObjCObject: |
| 9351 | case clang::Type::ObjCInterface: { |
| 9352 | const clang::ObjCObjectType *objc_class_type = |
| 9353 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type); |
| 9354 | if (objc_class_type) { |
| 9355 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 9356 | objc_class_type->getInterface(); |
| 9357 | // We currently can't complete objective C types through the newly |
| 9358 | // added ASTContext because it only supports TagDecl objects right |
| 9359 | // now... |
| 9360 | if (class_interface_decl) |
| 9361 | printf("@class %s", class_interface_decl->getName().str().c_str()); |
| 9362 | } |
| 9363 | } break; |
| 9364 | |
| 9365 | case clang::Type::Typedef: |
| 9366 | printf("typedef %s", llvm::cast<clang::TypedefType>(qual_type) |
| 9367 | ->getDecl() |
| 9368 | ->getName() |
| 9369 | .str() |
| 9370 | .c_str()); |
| 9371 | break; |
| 9372 | |
| 9373 | case clang::Type::Auto: |
| 9374 | printf("auto "); |
| 9375 | return DumpTypeName(CompilerType(type.GetTypeSystem(), |
| 9376 | llvm::cast<clang::AutoType>(qual_type) |
| 9377 | ->getDeducedType() |
| 9378 | .getAsOpaquePtr())); |
| 9379 | |
| 9380 | case clang::Type::Elaborated: |
| 9381 | printf("elaborated "); |
| 9382 | return DumpTypeName(CompilerType( |
| 9383 | type.GetTypeSystem(), llvm::cast<clang::ElaboratedType>(qual_type) |
| 9384 | ->getNamedType() |
| 9385 | .getAsOpaquePtr())); |
| 9386 | |
| 9387 | case clang::Type::Paren: |
| 9388 | printf("paren "); |
| 9389 | return DumpTypeName(CompilerType( |
| 9390 | type.GetTypeSystem(), |
| 9391 | llvm::cast<clang::ParenType>(qual_type)->desugar().getAsOpaquePtr())); |
| 9392 | |
| 9393 | default: |
| 9394 | printf("TypeSystemClang::DumpTypeName() type_class = %u", type_class); |
| 9395 | break; |
| 9396 | } |
| 9397 | } |
| 9398 | } |
| 9399 | |
| 9400 | clang::ClassTemplateDecl *TypeSystemClang::ParseClassTemplateDecl( |
| 9401 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 9402 | lldb::AccessType access_type, const char *parent_name, int tag_decl_kind, |
| 9403 | const TypeSystemClang::TemplateParameterInfos &template_param_infos) { |
| 9404 | if (template_param_infos.IsValid()) { |
| 9405 | std::string template_basename(parent_name); |
| 9406 | // With -gsimple-template-names we may omit template parameters in the name. |
| 9407 | if (auto i = template_basename.find('<'); i != std::string::npos) |
| 9408 | template_basename.erase(i); |
| 9409 | |
| 9410 | return CreateClassTemplateDecl(decl_ctx, owning_module, access_type, |
| 9411 | template_basename.c_str(), tag_decl_kind, |
| 9412 | template_param_infos); |
| 9413 | } |
| 9414 | return nullptr; |
| 9415 | } |
| 9416 | |
| 9417 | void TypeSystemClang::CompleteTagDecl(clang::TagDecl *decl) { |
| 9418 | SymbolFile *sym_file = GetSymbolFile(); |
| 9419 | if (sym_file) { |
| 9420 | CompilerType clang_type = GetTypeForDecl(decl); |
| 9421 | if (clang_type) |
| 9422 | sym_file->CompleteType(clang_type); |
| 9423 | } |
| 9424 | } |
| 9425 | |
| 9426 | void TypeSystemClang::CompleteObjCInterfaceDecl( |
| 9427 | clang::ObjCInterfaceDecl *decl) { |
| 9428 | SymbolFile *sym_file = GetSymbolFile(); |
| 9429 | if (sym_file) { |
| 9430 | CompilerType clang_type = GetTypeForDecl(decl); |
| 9431 | if (clang_type) |
| 9432 | sym_file->CompleteType(clang_type); |
| 9433 | } |
| 9434 | } |
| 9435 | |
| 9436 | DWARFASTParser *TypeSystemClang::GetDWARFParser() { |
| 9437 | if (!m_dwarf_ast_parser_up) |
| 9438 | m_dwarf_ast_parser_up = std::make_unique<DWARFASTParserClang>(*this); |
| 9439 | return m_dwarf_ast_parser_up.get(); |
| 9440 | } |
| 9441 | |
| 9442 | PDBASTParser *TypeSystemClang::GetPDBParser() { |
| 9443 | if (!m_pdb_ast_parser_up) |
| 9444 | m_pdb_ast_parser_up = std::make_unique<PDBASTParser>(*this); |
| 9445 | return m_pdb_ast_parser_up.get(); |
| 9446 | } |
| 9447 | |
| 9448 | npdb::PdbAstBuilder *TypeSystemClang::GetNativePDBParser() { |
| 9449 | if (!m_native_pdb_ast_parser_up) |
| 9450 | m_native_pdb_ast_parser_up = std::make_unique<npdb::PdbAstBuilder>(*this); |
| 9451 | return m_native_pdb_ast_parser_up.get(); |
| 9452 | } |
| 9453 | |
| 9454 | bool TypeSystemClang::LayoutRecordType( |
| 9455 | const clang::RecordDecl *record_decl, uint64_t &bit_size, |
| 9456 | uint64_t &alignment, |
| 9457 | llvm::DenseMap<const clang::FieldDecl *, uint64_t> &field_offsets, |
| 9458 | llvm::DenseMap<const clang::CXXRecordDecl *, clang::CharUnits> |
| 9459 | &base_offsets, |
| 9460 | llvm::DenseMap<const clang::CXXRecordDecl *, clang::CharUnits> |
| 9461 | &vbase_offsets) { |
| 9462 | lldb_private::ClangASTImporter *importer = nullptr; |
| 9463 | if (m_dwarf_ast_parser_up) |
| 9464 | importer = &m_dwarf_ast_parser_up->GetClangASTImporter(); |
| 9465 | if (!importer && m_pdb_ast_parser_up) |
| 9466 | importer = &m_pdb_ast_parser_up->GetClangASTImporter(); |
| 9467 | if (!importer && m_native_pdb_ast_parser_up) |
| 9468 | importer = &m_native_pdb_ast_parser_up->GetClangASTImporter(); |
| 9469 | if (!importer) |
| 9470 | return false; |
| 9471 | |
| 9472 | return importer->LayoutRecordType(record_decl, bit_size, alignment, |
| 9473 | field_offsets, base_offsets, vbase_offsets); |
| 9474 | } |
| 9475 | |
| 9476 | // CompilerDecl override functions |
| 9477 | |
| 9478 | ConstString TypeSystemClang::DeclGetName(void *opaque_decl) { |
| 9479 | if (opaque_decl) { |
| 9480 | clang::NamedDecl *nd = |
| 9481 | llvm::dyn_cast<NamedDecl>((clang::Decl *)opaque_decl); |
| 9482 | if (nd != nullptr) |
| 9483 | return ConstString(nd->getDeclName().getAsString()); |
| 9484 | } |
| 9485 | return ConstString(); |
| 9486 | } |
| 9487 | |
| 9488 | ConstString TypeSystemClang::DeclGetMangledName(void *opaque_decl) { |
| 9489 | if (opaque_decl) { |
| 9490 | clang::NamedDecl *nd = |
| 9491 | llvm::dyn_cast<clang::NamedDecl>((clang::Decl *)opaque_decl); |
| 9492 | if (nd != nullptr && !llvm::isa<clang::ObjCMethodDecl>(nd)) { |
| 9493 | clang::MangleContext *mc = getMangleContext(); |
| 9494 | if (mc && mc->shouldMangleCXXName(nd)) { |
| 9495 | llvm::SmallVector<char, 1024> buf; |
| 9496 | llvm::raw_svector_ostream llvm_ostrm(buf); |
| 9497 | if (llvm::isa<clang::CXXConstructorDecl>(nd)) { |
| 9498 | mc->mangleName( |
| 9499 | clang::GlobalDecl(llvm::dyn_cast<clang::CXXConstructorDecl>(nd), |
| 9500 | Ctor_Complete), |
| 9501 | llvm_ostrm); |
| 9502 | } else if (llvm::isa<clang::CXXDestructorDecl>(nd)) { |
| 9503 | mc->mangleName( |
| 9504 | clang::GlobalDecl(llvm::dyn_cast<clang::CXXDestructorDecl>(nd), |
| 9505 | Dtor_Complete), |
| 9506 | llvm_ostrm); |
| 9507 | } else { |
| 9508 | mc->mangleName(nd, llvm_ostrm); |
| 9509 | } |
| 9510 | if (buf.size() > 0) |
| 9511 | return ConstString(buf.data(), buf.size()); |
| 9512 | } |
| 9513 | } |
| 9514 | } |
| 9515 | return ConstString(); |
| 9516 | } |
| 9517 | |
| 9518 | CompilerDeclContext TypeSystemClang::DeclGetDeclContext(void *opaque_decl) { |
| 9519 | if (opaque_decl) |
| 9520 | return CreateDeclContext(((clang::Decl *)opaque_decl)->getDeclContext()); |
| 9521 | return CompilerDeclContext(); |
| 9522 | } |
| 9523 | |
| 9524 | CompilerType TypeSystemClang::DeclGetFunctionReturnType(void *opaque_decl) { |
| 9525 | if (clang::FunctionDecl *func_decl = |
| 9526 | llvm::dyn_cast<clang::FunctionDecl>((clang::Decl *)opaque_decl)) |
| 9527 | return GetType(func_decl->getReturnType()); |
| 9528 | if (clang::ObjCMethodDecl *objc_method = |
| 9529 | llvm::dyn_cast<clang::ObjCMethodDecl>((clang::Decl *)opaque_decl)) |
| 9530 | return GetType(objc_method->getReturnType()); |
| 9531 | else |
| 9532 | return CompilerType(); |
| 9533 | } |
| 9534 | |
| 9535 | size_t TypeSystemClang::DeclGetFunctionNumArguments(void *opaque_decl) { |
| 9536 | if (clang::FunctionDecl *func_decl = |
| 9537 | llvm::dyn_cast<clang::FunctionDecl>((clang::Decl *)opaque_decl)) |
| 9538 | return func_decl->param_size(); |
| 9539 | if (clang::ObjCMethodDecl *objc_method = |
| 9540 | llvm::dyn_cast<clang::ObjCMethodDecl>((clang::Decl *)opaque_decl)) |
| 9541 | return objc_method->param_size(); |
| 9542 | else |
| 9543 | return 0; |
| 9544 | } |
| 9545 | |
| 9546 | CompilerType TypeSystemClang::DeclGetFunctionArgumentType(void *opaque_decl, |
| 9547 | size_t idx) { |
| 9548 | if (clang::FunctionDecl *func_decl = |
| 9549 | llvm::dyn_cast<clang::FunctionDecl>((clang::Decl *)opaque_decl)) { |
| 9550 | if (idx < func_decl->param_size()) { |
| 9551 | ParmVarDecl *var_decl = func_decl->getParamDecl(idx); |
| 9552 | if (var_decl) |
| 9553 | return GetType(var_decl->getOriginalType()); |
| 9554 | } |
| 9555 | } else if (clang::ObjCMethodDecl *objc_method = |
| 9556 | llvm::dyn_cast<clang::ObjCMethodDecl>( |
| 9557 | (clang::Decl *)opaque_decl)) { |
| 9558 | if (idx < objc_method->param_size()) |
| 9559 | return GetType(objc_method->parameters()[idx]->getOriginalType()); |
| 9560 | } |
| 9561 | return CompilerType(); |
| 9562 | } |
| 9563 | |
| 9564 | // CompilerDeclContext functions |
| 9565 | |
| 9566 | std::vector<CompilerDecl> TypeSystemClang::DeclContextFindDeclByName( |
| 9567 | void *opaque_decl_ctx, ConstString name, const bool ignore_using_decls) { |
| 9568 | std::vector<CompilerDecl> found_decls; |
| 9569 | SymbolFile *symbol_file = GetSymbolFile(); |
| 9570 | if (opaque_decl_ctx && symbol_file) { |
| 9571 | DeclContext *root_decl_ctx = (DeclContext *)opaque_decl_ctx; |
| 9572 | std::set<DeclContext *> searched; |
| 9573 | std::multimap<DeclContext *, DeclContext *> search_queue; |
| 9574 | |
| 9575 | for (clang::DeclContext *decl_context = root_decl_ctx; |
| 9576 | decl_context != nullptr && found_decls.empty(); |
| 9577 | decl_context = decl_context->getParent()) { |
| 9578 | search_queue.insert(std::make_pair(decl_context, decl_context)); |
| 9579 | |
| 9580 | for (auto it = search_queue.find(decl_context); it != search_queue.end(); |
| 9581 | it++) { |
| 9582 | if (!searched.insert(it->second).second) |
| 9583 | continue; |
| 9584 | symbol_file->ParseDeclsForContext( |
| 9585 | CreateDeclContext(it->second)); |
| 9586 | |
| 9587 | for (clang::Decl *child : it->second->decls()) { |
| 9588 | if (clang::UsingDirectiveDecl *ud = |
| 9589 | llvm::dyn_cast<clang::UsingDirectiveDecl>(child)) { |
| 9590 | if (ignore_using_decls) |
| 9591 | continue; |
| 9592 | clang::DeclContext *from = ud->getCommonAncestor(); |
| 9593 | if (searched.find(ud->getNominatedNamespace()) == searched.end()) |
| 9594 | search_queue.insert( |
| 9595 | std::make_pair(from, ud->getNominatedNamespace())); |
| 9596 | } else if (clang::UsingDecl *ud = |
| 9597 | llvm::dyn_cast<clang::UsingDecl>(child)) { |
| 9598 | if (ignore_using_decls) |
| 9599 | continue; |
| 9600 | for (clang::UsingShadowDecl *usd : ud->shadows()) { |
| 9601 | clang::Decl *target = usd->getTargetDecl(); |
| 9602 | if (clang::NamedDecl *nd = |
| 9603 | llvm::dyn_cast<clang::NamedDecl>(target)) { |
| 9604 | IdentifierInfo *ii = nd->getIdentifier(); |
| 9605 | if (ii != nullptr && |
| 9606 | ii->getName().equals(name.AsCString(nullptr))) |
| 9607 | found_decls.push_back(GetCompilerDecl(nd)); |
| 9608 | } |
| 9609 | } |
| 9610 | } else if (clang::NamedDecl *nd = |
| 9611 | llvm::dyn_cast<clang::NamedDecl>(child)) { |
| 9612 | IdentifierInfo *ii = nd->getIdentifier(); |
| 9613 | if (ii != nullptr && ii->getName().equals(name.AsCString(nullptr))) |
| 9614 | found_decls.push_back(GetCompilerDecl(nd)); |
| 9615 | } |
| 9616 | } |
| 9617 | } |
| 9618 | } |
| 9619 | } |
| 9620 | return found_decls; |
| 9621 | } |
| 9622 | |
| 9623 | // Look for child_decl_ctx's lookup scope in frame_decl_ctx and its parents, |
| 9624 | // and return the number of levels it took to find it, or |
| 9625 | // LLDB_INVALID_DECL_LEVEL if not found. If the decl was imported via a using |
| 9626 | // declaration, its name and/or type, if set, will be used to check that the |
| 9627 | // decl found in the scope is a match. |
| 9628 | // |
| 9629 | // The optional name is required by languages (like C++) to handle using |
| 9630 | // declarations like: |
| 9631 | // |
| 9632 | // void poo(); |
| 9633 | // namespace ns { |
| 9634 | // void foo(); |
| 9635 | // void goo(); |
| 9636 | // } |
| 9637 | // void bar() { |
| 9638 | // using ns::foo; |
| 9639 | // // CountDeclLevels returns 0 for 'foo', 1 for 'poo', and |
| 9640 | // // LLDB_INVALID_DECL_LEVEL for 'goo'. |
| 9641 | // } |
| 9642 | // |
| 9643 | // The optional type is useful in the case that there's a specific overload |
| 9644 | // that we're looking for that might otherwise be shadowed, like: |
| 9645 | // |
| 9646 | // void foo(int); |
| 9647 | // namespace ns { |
| 9648 | // void foo(); |
| 9649 | // } |
| 9650 | // void bar() { |
| 9651 | // using ns::foo; |
| 9652 | // // CountDeclLevels returns 0 for { 'foo', void() }, |
| 9653 | // // 1 for { 'foo', void(int) }, and |
| 9654 | // // LLDB_INVALID_DECL_LEVEL for { 'foo', void(int, int) }. |
| 9655 | // } |
| 9656 | // |
| 9657 | // NOTE: Because file statics are at the TranslationUnit along with globals, a |
| 9658 | // function at file scope will return the same level as a function at global |
| 9659 | // scope. Ideally we'd like to treat the file scope as an additional scope just |
| 9660 | // below the global scope. More work needs to be done to recognise that, if |
| 9661 | // the decl we're trying to look up is static, we should compare its source |
| 9662 | // file with that of the current scope and return a lower number for it. |
| 9663 | uint32_t TypeSystemClang::CountDeclLevels(clang::DeclContext *frame_decl_ctx, |
| 9664 | clang::DeclContext *child_decl_ctx, |
| 9665 | ConstString *child_name, |
| 9666 | CompilerType *child_type) { |
| 9667 | SymbolFile *symbol_file = GetSymbolFile(); |
| 9668 | if (frame_decl_ctx && symbol_file) { |
| 9669 | std::set<DeclContext *> searched; |
| 9670 | std::multimap<DeclContext *, DeclContext *> search_queue; |
| 9671 | |
| 9672 | // Get the lookup scope for the decl we're trying to find. |
| 9673 | clang::DeclContext *parent_decl_ctx = child_decl_ctx->getParent(); |
| 9674 | |
| 9675 | // Look for it in our scope's decl context and its parents. |
| 9676 | uint32_t level = 0; |
| 9677 | for (clang::DeclContext *decl_ctx = frame_decl_ctx; decl_ctx != nullptr; |
| 9678 | decl_ctx = decl_ctx->getParent()) { |
| 9679 | if (!decl_ctx->isLookupContext()) |
| 9680 | continue; |
| 9681 | if (decl_ctx == parent_decl_ctx) |
| 9682 | // Found it! |
| 9683 | return level; |
| 9684 | search_queue.insert(std::make_pair(decl_ctx, decl_ctx)); |
| 9685 | for (auto it = search_queue.find(decl_ctx); it != search_queue.end(); |
| 9686 | it++) { |
| 9687 | if (searched.find(it->second) != searched.end()) |
| 9688 | continue; |
| 9689 | |
| 9690 | // Currently DWARF has one shared translation unit for all Decls at top |
| 9691 | // level, so this would erroneously find using statements anywhere. So |
| 9692 | // don't look at the top-level translation unit. |
| 9693 | // TODO fix this and add a testcase that depends on it. |
| 9694 | |
| 9695 | if (llvm::isa<clang::TranslationUnitDecl>(it->second)) |
| 9696 | continue; |
| 9697 | |
| 9698 | searched.insert(it->second); |
| 9699 | symbol_file->ParseDeclsForContext( |
| 9700 | CreateDeclContext(it->second)); |
| 9701 | |
| 9702 | for (clang::Decl *child : it->second->decls()) { |
| 9703 | if (clang::UsingDirectiveDecl *ud = |
| 9704 | llvm::dyn_cast<clang::UsingDirectiveDecl>(child)) { |
| 9705 | clang::DeclContext *ns = ud->getNominatedNamespace(); |
| 9706 | if (ns == parent_decl_ctx) |
| 9707 | // Found it! |
| 9708 | return level; |
| 9709 | clang::DeclContext *from = ud->getCommonAncestor(); |
| 9710 | if (searched.find(ns) == searched.end()) |
| 9711 | search_queue.insert(std::make_pair(from, ns)); |
| 9712 | } else if (child_name) { |
| 9713 | if (clang::UsingDecl *ud = |
| 9714 | llvm::dyn_cast<clang::UsingDecl>(child)) { |
| 9715 | for (clang::UsingShadowDecl *usd : ud->shadows()) { |
| 9716 | clang::Decl *target = usd->getTargetDecl(); |
| 9717 | clang::NamedDecl *nd = llvm::dyn_cast<clang::NamedDecl>(target); |
| 9718 | if (!nd) |
| 9719 | continue; |
| 9720 | // Check names. |
| 9721 | IdentifierInfo *ii = nd->getIdentifier(); |
| 9722 | if (ii == nullptr || |
| 9723 | !ii->getName().equals(child_name->AsCString(nullptr))) |
| 9724 | continue; |
| 9725 | // Check types, if one was provided. |
| 9726 | if (child_type) { |
| 9727 | CompilerType clang_type = GetTypeForDecl(nd); |
| 9728 | if (!AreTypesSame(clang_type, *child_type, |
| 9729 | /*ignore_qualifiers=*/true)) |
| 9730 | continue; |
| 9731 | } |
| 9732 | // Found it! |
| 9733 | return level; |
| 9734 | } |
| 9735 | } |
| 9736 | } |
| 9737 | } |
| 9738 | } |
| 9739 | ++level; |
| 9740 | } |
| 9741 | } |
| 9742 | return LLDB_INVALID_DECL_LEVEL(4294967295U); |
| 9743 | } |
| 9744 | |
| 9745 | ConstString TypeSystemClang::DeclContextGetName(void *opaque_decl_ctx) { |
| 9746 | if (opaque_decl_ctx) { |
| 9747 | clang::NamedDecl *named_decl = |
| 9748 | llvm::dyn_cast<clang::NamedDecl>((clang::DeclContext *)opaque_decl_ctx); |
| 9749 | if (named_decl) |
| 9750 | return ConstString(named_decl->getName()); |
| 9751 | } |
| 9752 | return ConstString(); |
| 9753 | } |
| 9754 | |
| 9755 | ConstString |
| 9756 | TypeSystemClang::DeclContextGetScopeQualifiedName(void *opaque_decl_ctx) { |
| 9757 | if (opaque_decl_ctx) { |
| 9758 | clang::NamedDecl *named_decl = |
| 9759 | llvm::dyn_cast<clang::NamedDecl>((clang::DeclContext *)opaque_decl_ctx); |
| 9760 | if (named_decl) |
| 9761 | return ConstString(GetTypeNameForDecl(named_decl)); |
| 9762 | } |
| 9763 | return ConstString(); |
| 9764 | } |
| 9765 | |
| 9766 | bool TypeSystemClang::DeclContextIsClassMethod(void *opaque_decl_ctx) { |
| 9767 | if (!opaque_decl_ctx) |
| 9768 | return false; |
| 9769 | |
| 9770 | clang::DeclContext *decl_ctx = (clang::DeclContext *)opaque_decl_ctx; |
| 9771 | if (llvm::isa<clang::ObjCMethodDecl>(decl_ctx)) { |
| 9772 | return true; |
| 9773 | } else if (llvm::isa<clang::CXXMethodDecl>(decl_ctx)) { |
| 9774 | return true; |
| 9775 | } else if (clang::FunctionDecl *fun_decl = |
| 9776 | llvm::dyn_cast<clang::FunctionDecl>(decl_ctx)) { |
| 9777 | if (ClangASTMetadata *metadata = GetMetadata(fun_decl)) |
| 9778 | return metadata->HasObjectPtr(); |
| 9779 | } |
| 9780 | |
| 9781 | return false; |
| 9782 | } |
| 9783 | |
| 9784 | bool TypeSystemClang::DeclContextIsContainedInLookup( |
| 9785 | void *opaque_decl_ctx, void *other_opaque_decl_ctx) { |
| 9786 | auto *decl_ctx = (clang::DeclContext *)opaque_decl_ctx; |
| 9787 | auto *other = (clang::DeclContext *)other_opaque_decl_ctx; |
| 9788 | |
| 9789 | do { |
| 9790 | // A decl context always includes its own contents in its lookup. |
| 9791 | if (decl_ctx == other) |
| 9792 | return true; |
| 9793 | |
| 9794 | // If we have an inline namespace, then the lookup of the parent context |
| 9795 | // also includes the inline namespace contents. |
| 9796 | } while (other->isInlineNamespace() && (other = other->getParent())); |
| 9797 | |
| 9798 | return false; |
| 9799 | } |
| 9800 | |
| 9801 | lldb::LanguageType |
| 9802 | TypeSystemClang::DeclContextGetLanguage(void *opaque_decl_ctx) { |
| 9803 | if (!opaque_decl_ctx) |
| 9804 | return eLanguageTypeUnknown; |
| 9805 | |
| 9806 | auto *decl_ctx = (clang::DeclContext *)opaque_decl_ctx; |
| 9807 | if (llvm::isa<clang::ObjCMethodDecl>(decl_ctx)) { |
| 9808 | return eLanguageTypeObjC; |
| 9809 | } else if (llvm::isa<clang::CXXMethodDecl>(decl_ctx)) { |
| 9810 | return eLanguageTypeC_plus_plus; |
| 9811 | } else if (auto *fun_decl = llvm::dyn_cast<clang::FunctionDecl>(decl_ctx)) { |
| 9812 | if (ClangASTMetadata *metadata = GetMetadata(fun_decl)) |
| 9813 | return metadata->GetObjectPtrLanguage(); |
| 9814 | } |
| 9815 | |
| 9816 | return eLanguageTypeUnknown; |
| 9817 | } |
| 9818 | |
| 9819 | static bool IsClangDeclContext(const CompilerDeclContext &dc) { |
| 9820 | return dc.IsValid() && isa<TypeSystemClang>(dc.GetTypeSystem()); |
| 9821 | } |
| 9822 | |
| 9823 | clang::DeclContext * |
| 9824 | TypeSystemClang::DeclContextGetAsDeclContext(const CompilerDeclContext &dc) { |
| 9825 | if (IsClangDeclContext(dc)) |
| 9826 | return (clang::DeclContext *)dc.GetOpaqueDeclContext(); |
| 9827 | return nullptr; |
| 9828 | } |
| 9829 | |
| 9830 | ObjCMethodDecl * |
| 9831 | TypeSystemClang::DeclContextGetAsObjCMethodDecl(const CompilerDeclContext &dc) { |
| 9832 | if (IsClangDeclContext(dc)) |
| 9833 | return llvm::dyn_cast<clang::ObjCMethodDecl>( |
| 9834 | (clang::DeclContext *)dc.GetOpaqueDeclContext()); |
| 9835 | return nullptr; |
| 9836 | } |
| 9837 | |
| 9838 | CXXMethodDecl * |
| 9839 | TypeSystemClang::DeclContextGetAsCXXMethodDecl(const CompilerDeclContext &dc) { |
| 9840 | if (IsClangDeclContext(dc)) |
| 9841 | return llvm::dyn_cast<clang::CXXMethodDecl>( |
| 9842 | (clang::DeclContext *)dc.GetOpaqueDeclContext()); |
| 9843 | return nullptr; |
| 9844 | } |
| 9845 | |
| 9846 | clang::FunctionDecl * |
| 9847 | TypeSystemClang::DeclContextGetAsFunctionDecl(const CompilerDeclContext &dc) { |
| 9848 | if (IsClangDeclContext(dc)) |
| 9849 | return llvm::dyn_cast<clang::FunctionDecl>( |
| 9850 | (clang::DeclContext *)dc.GetOpaqueDeclContext()); |
| 9851 | return nullptr; |
| 9852 | } |
| 9853 | |
| 9854 | clang::NamespaceDecl * |
| 9855 | TypeSystemClang::DeclContextGetAsNamespaceDecl(const CompilerDeclContext &dc) { |
| 9856 | if (IsClangDeclContext(dc)) |
| 9857 | return llvm::dyn_cast<clang::NamespaceDecl>( |
| 9858 | (clang::DeclContext *)dc.GetOpaqueDeclContext()); |
| 9859 | return nullptr; |
| 9860 | } |
| 9861 | |
| 9862 | ClangASTMetadata * |
| 9863 | TypeSystemClang::DeclContextGetMetaData(const CompilerDeclContext &dc, |
| 9864 | const Decl *object) { |
| 9865 | TypeSystemClang *ast = llvm::cast<TypeSystemClang>(dc.GetTypeSystem()); |
| 9866 | return ast->GetMetadata(object); |
| 9867 | } |
| 9868 | |
| 9869 | clang::ASTContext * |
| 9870 | TypeSystemClang::DeclContextGetTypeSystemClang(const CompilerDeclContext &dc) { |
| 9871 | TypeSystemClang *ast = |
| 9872 | llvm::dyn_cast_or_null<TypeSystemClang>(dc.GetTypeSystem()); |
| 9873 | if (ast) |
| 9874 | return &ast->getASTContext(); |
| 9875 | return nullptr; |
| 9876 | } |
| 9877 | |
| 9878 | void TypeSystemClang::RequireCompleteType(CompilerType type) { |
| 9879 | // Technically, enums can be incomplete too, but we don't handle those as they |
| 9880 | // are emitted even under -flimit-debug-info. |
| 9881 | if (!TypeSystemClang::IsCXXClassType(type)) |
| 9882 | return; |
| 9883 | |
| 9884 | if (type.GetCompleteType()) |
| 9885 | return; |
| 9886 | |
| 9887 | // No complete definition in this module. Mark the class as complete to |
| 9888 | // satisfy local ast invariants, but make a note of the fact that |
| 9889 | // it is not _really_ complete so we can later search for a definition in a |
| 9890 | // different module. |
| 9891 | // Since we provide layout assistance, layouts of types containing this class |
| 9892 | // will be correct even if we are not able to find the definition elsewhere. |
| 9893 | bool started = TypeSystemClang::StartTagDeclarationDefinition(type); |
| 9894 | lldbassert(started && "Unable to start a class type definition.")lldb_private::lldb_assert(static_cast<bool>(started && "Unable to start a class type definition."), "started && \"Unable to start a class type definition.\"" , __FUNCTION__, "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 9894); |
| 9895 | TypeSystemClang::CompleteTagDeclarationDefinition(type); |
| 9896 | const clang::TagDecl *td = ClangUtil::GetAsTagDecl(type); |
| 9897 | auto ts = type.GetTypeSystem().dyn_cast_or_null<TypeSystemClang>(); |
| 9898 | if (ts) |
| 9899 | ts->SetDeclIsForcefullyCompleted(td); |
| 9900 | } |
| 9901 | |
| 9902 | namespace { |
| 9903 | /// A specialized scratch AST used within ScratchTypeSystemClang. |
| 9904 | /// These are the ASTs backing the different IsolatedASTKinds. They behave |
| 9905 | /// like a normal ScratchTypeSystemClang but they don't own their own |
| 9906 | /// persistent storage or target reference. |
| 9907 | class SpecializedScratchAST : public TypeSystemClang { |
| 9908 | public: |
| 9909 | /// \param name The display name of the TypeSystemClang instance. |
| 9910 | /// \param triple The triple used for the TypeSystemClang instance. |
| 9911 | /// \param ast_source The ClangASTSource that should be used to complete |
| 9912 | /// type information. |
| 9913 | SpecializedScratchAST(llvm::StringRef name, llvm::Triple triple, |
| 9914 | std::unique_ptr<ClangASTSource> ast_source) |
| 9915 | : TypeSystemClang(name, triple), |
| 9916 | m_scratch_ast_source_up(std::move(ast_source)) { |
| 9917 | // Setup the ClangASTSource to complete this AST. |
| 9918 | m_scratch_ast_source_up->InstallASTContext(*this); |
| 9919 | llvm::IntrusiveRefCntPtr<clang::ExternalASTSource> proxy_ast_source( |
| 9920 | m_scratch_ast_source_up->CreateProxy()); |
| 9921 | SetExternalSource(proxy_ast_source); |
| 9922 | } |
| 9923 | |
| 9924 | /// The ExternalASTSource that performs lookups and completes types. |
| 9925 | std::unique_ptr<ClangASTSource> m_scratch_ast_source_up; |
| 9926 | }; |
| 9927 | } // namespace |
| 9928 | |
| 9929 | char ScratchTypeSystemClang::ID; |
| 9930 | const std::nullopt_t ScratchTypeSystemClang::DefaultAST = std::nullopt; |
| 9931 | |
| 9932 | ScratchTypeSystemClang::ScratchTypeSystemClang(Target &target, |
| 9933 | llvm::Triple triple) |
| 9934 | : TypeSystemClang("scratch ASTContext", triple), m_triple(triple), |
| 9935 | m_target_wp(target.shared_from_this()), |
| 9936 | m_persistent_variables( |
| 9937 | new ClangPersistentVariables(target.shared_from_this())) { |
| 9938 | m_scratch_ast_source_up = CreateASTSource(); |
| 9939 | m_scratch_ast_source_up->InstallASTContext(*this); |
| 9940 | llvm::IntrusiveRefCntPtr<clang::ExternalASTSource> proxy_ast_source( |
| 9941 | m_scratch_ast_source_up->CreateProxy()); |
| 9942 | SetExternalSource(proxy_ast_source); |
| 9943 | } |
| 9944 | |
| 9945 | void ScratchTypeSystemClang::Finalize() { |
| 9946 | TypeSystemClang::Finalize(); |
| 9947 | m_scratch_ast_source_up.reset(); |
| 9948 | } |
| 9949 | |
| 9950 | TypeSystemClangSP |
| 9951 | ScratchTypeSystemClang::GetForTarget(Target &target, |
| 9952 | std::optional<IsolatedASTKind> ast_kind, |
| 9953 | bool create_on_demand) { |
| 9954 | auto type_system_or_err = target.GetScratchTypeSystemForLanguage( |
| 9955 | lldb::eLanguageTypeC, create_on_demand); |
| 9956 | if (auto err = type_system_or_err.takeError()) { |
| 9957 | LLDB_LOG_ERROR(GetLog(LLDBLog::Target), std::move(err),do { ::lldb_private::Log *log_private = (GetLog(LLDBLog::Target )); ::llvm::Error error_private = (std::move(err)); if (log_private && error_private) { log_private->FormatError(::std ::move(error_private), "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Couldn't get scratch TypeSystemClang"); } else :: llvm::consumeError(::std::move(error_private)); } while (0) |
| 9958 | "Couldn't get scratch TypeSystemClang")do { ::lldb_private::Log *log_private = (GetLog(LLDBLog::Target )); ::llvm::Error error_private = (std::move(err)); if (log_private && error_private) { log_private->FormatError(::std ::move(error_private), "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Couldn't get scratch TypeSystemClang"); } else :: llvm::consumeError(::std::move(error_private)); } while (0); |
| 9959 | return nullptr; |
| 9960 | } |
| 9961 | auto ts_sp = *type_system_or_err; |
| 9962 | ScratchTypeSystemClang *scratch_ast = |
| 9963 | llvm::dyn_cast_or_null<ScratchTypeSystemClang>(ts_sp.get()); |
| 9964 | if (!scratch_ast) |
| 9965 | return nullptr; |
| 9966 | // If no dedicated sub-AST was requested, just return the main AST. |
| 9967 | if (ast_kind == DefaultAST) |
| 9968 | return std::static_pointer_cast<TypeSystemClang>(ts_sp); |
| 9969 | // Search the sub-ASTs. |
| 9970 | return std::static_pointer_cast<TypeSystemClang>( |
| 9971 | scratch_ast->GetIsolatedAST(*ast_kind).shared_from_this()); |
| 9972 | } |
| 9973 | |
| 9974 | /// Returns a human-readable name that uniquely identifiers the sub-AST kind. |
| 9975 | static llvm::StringRef |
| 9976 | GetNameForIsolatedASTKind(ScratchTypeSystemClang::IsolatedASTKind kind) { |
| 9977 | switch (kind) { |
| 9978 | case ScratchTypeSystemClang::IsolatedASTKind::CppModules: |
| 9979 | return "C++ modules"; |
| 9980 | } |
| 9981 | llvm_unreachable("Unimplemented IsolatedASTKind?")::llvm::llvm_unreachable_internal("Unimplemented IsolatedASTKind?" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 9981); |
| 9982 | } |
| 9983 | |
| 9984 | void ScratchTypeSystemClang::Dump(llvm::raw_ostream &output) { |
| 9985 | // First dump the main scratch AST. |
| 9986 | output << "State of scratch Clang type system:\n"; |
| 9987 | TypeSystemClang::Dump(output); |
| 9988 | |
| 9989 | // Now sort the isolated sub-ASTs. |
| 9990 | typedef std::pair<IsolatedASTKey, TypeSystem *> KeyAndTS; |
| 9991 | std::vector<KeyAndTS> sorted_typesystems; |
| 9992 | for (const auto &a : m_isolated_asts) |
| 9993 | sorted_typesystems.emplace_back(a.first, a.second.get()); |
| 9994 | llvm::stable_sort(sorted_typesystems, llvm::less_first()); |
| 9995 | |
| 9996 | // Dump each sub-AST too. |
| 9997 | for (const auto &a : sorted_typesystems) { |
| 9998 | IsolatedASTKind kind = |
| 9999 | static_cast<ScratchTypeSystemClang::IsolatedASTKind>(a.first); |
| 10000 | output << "State of scratch Clang type subsystem " |
| 10001 | << GetNameForIsolatedASTKind(kind) << ":\n"; |
| 10002 | a.second->Dump(output); |
| 10003 | } |
| 10004 | } |
| 10005 | |
| 10006 | UserExpression *ScratchTypeSystemClang::GetUserExpression( |
| 10007 | llvm::StringRef expr, llvm::StringRef prefix, lldb::LanguageType language, |
| 10008 | Expression::ResultType desired_type, |
| 10009 | const EvaluateExpressionOptions &options, ValueObject *ctx_obj) { |
| 10010 | TargetSP target_sp = m_target_wp.lock(); |
| 10011 | if (!target_sp) |
| 10012 | return nullptr; |
| 10013 | |
| 10014 | return new ClangUserExpression(*target_sp.get(), expr, prefix, language, |
| 10015 | desired_type, options, ctx_obj); |
| 10016 | } |
| 10017 | |
| 10018 | FunctionCaller *ScratchTypeSystemClang::GetFunctionCaller( |
| 10019 | const CompilerType &return_type, const Address &function_address, |
| 10020 | const ValueList &arg_value_list, const char *name) { |
| 10021 | TargetSP target_sp = m_target_wp.lock(); |
| 10022 | if (!target_sp) |
| 10023 | return nullptr; |
| 10024 | |
| 10025 | Process *process = target_sp->GetProcessSP().get(); |
| 10026 | if (!process) |
| 10027 | return nullptr; |
| 10028 | |
| 10029 | return new ClangFunctionCaller(*process, return_type, function_address, |
| 10030 | arg_value_list, name); |
| 10031 | } |
| 10032 | |
| 10033 | std::unique_ptr<UtilityFunction> |
| 10034 | ScratchTypeSystemClang::CreateUtilityFunction(std::string text, |
| 10035 | std::string name) { |
| 10036 | TargetSP target_sp = m_target_wp.lock(); |
| 10037 | if (!target_sp) |
| 10038 | return {}; |
| 10039 | |
| 10040 | return std::make_unique<ClangUtilityFunction>( |
| 10041 | *target_sp.get(), std::move(text), std::move(name), |
| 10042 | target_sp->GetDebugUtilityExpression()); |
| 10043 | } |
| 10044 | |
| 10045 | PersistentExpressionState * |
| 10046 | ScratchTypeSystemClang::GetPersistentExpressionState() { |
| 10047 | return m_persistent_variables.get(); |
| 10048 | } |
| 10049 | |
| 10050 | void ScratchTypeSystemClang::ForgetSource(ASTContext *src_ctx, |
| 10051 | ClangASTImporter &importer) { |
| 10052 | // Remove it as a source from the main AST. |
| 10053 | importer.ForgetSource(&getASTContext(), src_ctx); |
| 10054 | // Remove it as a source from all created sub-ASTs. |
| 10055 | for (const auto &a : m_isolated_asts) |
| 10056 | importer.ForgetSource(&a.second->getASTContext(), src_ctx); |
| 10057 | } |
| 10058 | |
| 10059 | std::unique_ptr<ClangASTSource> ScratchTypeSystemClang::CreateASTSource() { |
| 10060 | return std::make_unique<ClangASTSource>( |
| 10061 | m_target_wp.lock()->shared_from_this(), |
| 10062 | m_persistent_variables->GetClangASTImporter()); |
| 10063 | } |
| 10064 | |
| 10065 | static llvm::StringRef |
| 10066 | GetSpecializedASTName(ScratchTypeSystemClang::IsolatedASTKind feature) { |
| 10067 | switch (feature) { |
| 10068 | case ScratchTypeSystemClang::IsolatedASTKind::CppModules: |
| 10069 | return "scratch ASTContext for C++ module types"; |
| 10070 | } |
| 10071 | llvm_unreachable("Unimplemented ASTFeature kind?")::llvm::llvm_unreachable_internal("Unimplemented ASTFeature kind?" , "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp", 10071); |
| 10072 | } |
| 10073 | |
| 10074 | TypeSystemClang &ScratchTypeSystemClang::GetIsolatedAST( |
| 10075 | ScratchTypeSystemClang::IsolatedASTKind feature) { |
| 10076 | auto found_ast = m_isolated_asts.find(feature); |
| 10077 | if (found_ast != m_isolated_asts.end()) |
| 10078 | return *found_ast->second; |
| 10079 | |
| 10080 | // Couldn't find the requested sub-AST, so create it now. |
| 10081 | std::shared_ptr<TypeSystemClang> new_ast_sp = |
| 10082 | std::make_shared<SpecializedScratchAST>(GetSpecializedASTName(feature), |
| 10083 | m_triple, CreateASTSource()); |
| 10084 | m_isolated_asts.insert({feature, new_ast_sp}); |
| 10085 | return *new_ast_sp; |
| 10086 | } |
| 10087 | |
| 10088 | bool TypeSystemClang::IsForcefullyCompleted(lldb::opaque_compiler_type_t type) { |
| 10089 | if (type) { |
| 10090 | clang::QualType qual_type(GetQualType(type)); |
| 10091 | const clang::RecordType *record_type = |
| 10092 | llvm::dyn_cast<clang::RecordType>(qual_type.getTypePtr()); |
| 10093 | if (record_type) { |
| 10094 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 10095 | assert(record_decl)(static_cast <bool> (record_decl) ? void (0) : __assert_fail ("record_decl", "lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 10095, __extension__ __PRETTY_FUNCTION__)); |
| 10096 | ClangASTMetadata *metadata = GetMetadata(record_decl); |
| 10097 | if (metadata) |
| 10098 | return metadata->IsForcefullyCompleted(); |
| 10099 | } |
| 10100 | } |
| 10101 | return false; |
| 10102 | } |
| 10103 | |
| 10104 | bool TypeSystemClang::SetDeclIsForcefullyCompleted(const clang::TagDecl *td) { |
| 10105 | if (td == nullptr) |
| 10106 | return false; |
| 10107 | ClangASTMetadata *metadata = GetMetadata(td); |
| 10108 | if (metadata == nullptr) |
| 10109 | return false; |
| 10110 | m_has_forcefully_completed_types = true; |
| 10111 | metadata->SetIsForcefullyCompleted(); |
| 10112 | return true; |
| 10113 | } |