| File: | src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp |
| Warning: | line 6699, column 23 Called C++ object pointer is null |
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| 1 | //===-- TypeSystemClang.cpp -----------------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "TypeSystemClang.h" |
| 10 | |
| 11 | #include "llvm/Support/FormatAdapters.h" |
| 12 | #include "llvm/Support/FormatVariadic.h" |
| 13 | |
| 14 | #include <mutex> |
| 15 | #include <string> |
| 16 | #include <vector> |
| 17 | |
| 18 | #include "clang/AST/ASTContext.h" |
| 19 | #include "clang/AST/ASTImporter.h" |
| 20 | #include "clang/AST/Attr.h" |
| 21 | #include "clang/AST/CXXInheritance.h" |
| 22 | #include "clang/AST/DeclObjC.h" |
| 23 | #include "clang/AST/DeclTemplate.h" |
| 24 | #include "clang/AST/Mangle.h" |
| 25 | #include "clang/AST/RecordLayout.h" |
| 26 | #include "clang/AST/Type.h" |
| 27 | #include "clang/AST/VTableBuilder.h" |
| 28 | #include "clang/Basic/Builtins.h" |
| 29 | #include "clang/Basic/Diagnostic.h" |
| 30 | #include "clang/Basic/FileManager.h" |
| 31 | #include "clang/Basic/FileSystemOptions.h" |
| 32 | #include "clang/Basic/LangStandard.h" |
| 33 | #include "clang/Basic/SourceManager.h" |
| 34 | #include "clang/Basic/TargetInfo.h" |
| 35 | #include "clang/Basic/TargetOptions.h" |
| 36 | #include "clang/Frontend/FrontendOptions.h" |
| 37 | #include "clang/Lex/HeaderSearch.h" |
| 38 | #include "clang/Lex/HeaderSearchOptions.h" |
| 39 | #include "clang/Lex/ModuleMap.h" |
| 40 | #include "clang/Sema/Sema.h" |
| 41 | |
| 42 | #include "llvm/Support/Signals.h" |
| 43 | #include "llvm/Support/Threading.h" |
| 44 | |
| 45 | #include "Plugins/ExpressionParser/Clang/ClangASTImporter.h" |
| 46 | #include "Plugins/ExpressionParser/Clang/ClangASTMetadata.h" |
| 47 | #include "Plugins/ExpressionParser/Clang/ClangExternalASTSourceCallbacks.h" |
| 48 | #include "Plugins/ExpressionParser/Clang/ClangFunctionCaller.h" |
| 49 | #include "Plugins/ExpressionParser/Clang/ClangPersistentVariables.h" |
| 50 | #include "Plugins/ExpressionParser/Clang/ClangUserExpression.h" |
| 51 | #include "Plugins/ExpressionParser/Clang/ClangUtil.h" |
| 52 | #include "Plugins/ExpressionParser/Clang/ClangUtilityFunction.h" |
| 53 | #include "lldb/Utility/ArchSpec.h" |
| 54 | #include "lldb/Utility/Flags.h" |
| 55 | |
| 56 | #include "lldb/Core/DumpDataExtractor.h" |
| 57 | #include "lldb/Core/Module.h" |
| 58 | #include "lldb/Core/PluginManager.h" |
| 59 | #include "lldb/Core/StreamFile.h" |
| 60 | #include "lldb/Core/ThreadSafeDenseMap.h" |
| 61 | #include "lldb/Core/UniqueCStringMap.h" |
| 62 | #include "lldb/Symbol/ObjectFile.h" |
| 63 | #include "lldb/Symbol/SymbolFile.h" |
| 64 | #include "lldb/Target/ExecutionContext.h" |
| 65 | #include "lldb/Target/Language.h" |
| 66 | #include "lldb/Target/Process.h" |
| 67 | #include "lldb/Target/Target.h" |
| 68 | #include "lldb/Utility/DataExtractor.h" |
| 69 | #include "lldb/Utility/LLDBAssert.h" |
| 70 | #include "lldb/Utility/Log.h" |
| 71 | #include "lldb/Utility/RegularExpression.h" |
| 72 | #include "lldb/Utility/Scalar.h" |
| 73 | |
| 74 | #include "Plugins/LanguageRuntime/ObjC/ObjCLanguageRuntime.h" |
| 75 | #include "Plugins/SymbolFile/DWARF/DWARFASTParserClang.h" |
| 76 | #include "Plugins/SymbolFile/PDB/PDBASTParser.h" |
| 77 | |
| 78 | #include <cstdio> |
| 79 | |
| 80 | #include <mutex> |
| 81 | |
| 82 | using namespace lldb; |
| 83 | using namespace lldb_private; |
| 84 | using namespace clang; |
| 85 | using llvm::StringSwitch; |
| 86 | |
| 87 | LLDB_PLUGIN_DEFINE(TypeSystemClang)namespace lldb_private { void lldb_initialize_TypeSystemClang () { TypeSystemClang::Initialize(); } void lldb_terminate_TypeSystemClang () { TypeSystemClang::Terminate(); } } |
| 88 | |
| 89 | namespace { |
| 90 | static void VerifyDecl(clang::Decl *decl) { |
| 91 | assert(decl && "VerifyDecl called with nullptr?")((void)0); |
| 92 | #ifndef NDEBUG1 |
| 93 | // We don't care about the actual access value here but only want to trigger |
| 94 | // that Clang calls its internal Decl::AccessDeclContextSanity check. |
| 95 | decl->getAccess(); |
| 96 | #endif |
| 97 | } |
| 98 | |
| 99 | static inline bool |
| 100 | TypeSystemClangSupportsLanguage(lldb::LanguageType language) { |
| 101 | return language == eLanguageTypeUnknown || // Clang is the default type system |
| 102 | lldb_private::Language::LanguageIsC(language) || |
| 103 | lldb_private::Language::LanguageIsCPlusPlus(language) || |
| 104 | lldb_private::Language::LanguageIsObjC(language) || |
| 105 | lldb_private::Language::LanguageIsPascal(language) || |
| 106 | // Use Clang for Rust until there is a proper language plugin for it |
| 107 | language == eLanguageTypeRust || |
| 108 | language == eLanguageTypeExtRenderScript || |
| 109 | // Use Clang for D until there is a proper language plugin for it |
| 110 | language == eLanguageTypeD || |
| 111 | // Open Dylan compiler debug info is designed to be Clang-compatible |
| 112 | language == eLanguageTypeDylan; |
| 113 | } |
| 114 | |
| 115 | // Checks whether m1 is an overload of m2 (as opposed to an override). This is |
| 116 | // called by addOverridesForMethod to distinguish overrides (which share a |
| 117 | // vtable entry) from overloads (which require distinct entries). |
| 118 | bool isOverload(clang::CXXMethodDecl *m1, clang::CXXMethodDecl *m2) { |
| 119 | // FIXME: This should detect covariant return types, but currently doesn't. |
| 120 | lldbassert(&m1->getASTContext() == &m2->getASTContext() &&lldb_private::lldb_assert(static_cast<bool>(&m1-> getASTContext() == &m2->getASTContext() && "Methods should have the same AST context" ), "&m1->getASTContext() == &m2->getASTContext() && \"Methods should have the same AST context\"" , __FUNCTION__, "/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 121) |
| 121 | "Methods should have the same AST context")lldb_private::lldb_assert(static_cast<bool>(&m1-> getASTContext() == &m2->getASTContext() && "Methods should have the same AST context" ), "&m1->getASTContext() == &m2->getASTContext() && \"Methods should have the same AST context\"" , __FUNCTION__, "/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 121); |
| 122 | clang::ASTContext &context = m1->getASTContext(); |
| 123 | |
| 124 | const auto *m1Type = llvm::cast<clang::FunctionProtoType>( |
| 125 | context.getCanonicalType(m1->getType())); |
| 126 | |
| 127 | const auto *m2Type = llvm::cast<clang::FunctionProtoType>( |
| 128 | context.getCanonicalType(m2->getType())); |
| 129 | |
| 130 | auto compareArgTypes = [&context](const clang::QualType &m1p, |
| 131 | const clang::QualType &m2p) { |
| 132 | return context.hasSameType(m1p.getUnqualifiedType(), |
| 133 | m2p.getUnqualifiedType()); |
| 134 | }; |
| 135 | |
| 136 | // FIXME: In C++14 and later, we can just pass m2Type->param_type_end() |
| 137 | // as a fourth parameter to std::equal(). |
| 138 | return (m1->getNumParams() != m2->getNumParams()) || |
| 139 | !std::equal(m1Type->param_type_begin(), m1Type->param_type_end(), |
| 140 | m2Type->param_type_begin(), compareArgTypes); |
| 141 | } |
| 142 | |
| 143 | // If decl is a virtual method, walk the base classes looking for methods that |
| 144 | // decl overrides. This table of overridden methods is used by IRGen to |
| 145 | // determine the vtable layout for decl's parent class. |
| 146 | void addOverridesForMethod(clang::CXXMethodDecl *decl) { |
| 147 | if (!decl->isVirtual()) |
| 148 | return; |
| 149 | |
| 150 | clang::CXXBasePaths paths; |
| 151 | llvm::SmallVector<clang::NamedDecl *, 4> decls; |
| 152 | |
| 153 | auto find_overridden_methods = |
| 154 | [&decls, decl](const clang::CXXBaseSpecifier *specifier, |
| 155 | clang::CXXBasePath &path) { |
| 156 | if (auto *base_record = llvm::dyn_cast<clang::CXXRecordDecl>( |
| 157 | specifier->getType()->getAs<clang::RecordType>()->getDecl())) { |
| 158 | |
| 159 | clang::DeclarationName name = decl->getDeclName(); |
| 160 | |
| 161 | // If this is a destructor, check whether the base class destructor is |
| 162 | // virtual. |
| 163 | if (name.getNameKind() == clang::DeclarationName::CXXDestructorName) |
| 164 | if (auto *baseDtorDecl = base_record->getDestructor()) { |
| 165 | if (baseDtorDecl->isVirtual()) { |
| 166 | decls.push_back(baseDtorDecl); |
| 167 | return true; |
| 168 | } else |
| 169 | return false; |
| 170 | } |
| 171 | |
| 172 | // Otherwise, search for name in the base class. |
| 173 | for (path.Decls = base_record->lookup(name).begin(); |
| 174 | path.Decls != path.Decls.end(); ++path.Decls) { |
| 175 | if (auto *method_decl = |
| 176 | llvm::dyn_cast<clang::CXXMethodDecl>(*path.Decls)) |
| 177 | if (method_decl->isVirtual() && !isOverload(decl, method_decl)) { |
| 178 | decls.push_back(method_decl); |
| 179 | return true; |
| 180 | } |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | return false; |
| 185 | }; |
| 186 | |
| 187 | if (decl->getParent()->lookupInBases(find_overridden_methods, paths)) { |
| 188 | for (auto *overridden_decl : decls) |
| 189 | decl->addOverriddenMethod( |
| 190 | llvm::cast<clang::CXXMethodDecl>(overridden_decl)); |
| 191 | } |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | static lldb::addr_t GetVTableAddress(Process &process, |
| 196 | VTableContextBase &vtable_ctx, |
| 197 | ValueObject &valobj, |
| 198 | const ASTRecordLayout &record_layout) { |
| 199 | // Retrieve type info |
| 200 | CompilerType pointee_type; |
| 201 | CompilerType this_type(valobj.GetCompilerType()); |
| 202 | uint32_t type_info = this_type.GetTypeInfo(&pointee_type); |
| 203 | if (!type_info) |
| 204 | return LLDB_INVALID_ADDRESS0xffffffffffffffffULL; |
| 205 | |
| 206 | // Check if it's a pointer or reference |
| 207 | bool ptr_or_ref = false; |
| 208 | if (type_info & (eTypeIsPointer | eTypeIsReference)) { |
| 209 | ptr_or_ref = true; |
| 210 | type_info = pointee_type.GetTypeInfo(); |
| 211 | } |
| 212 | |
| 213 | // We process only C++ classes |
| 214 | const uint32_t cpp_class = eTypeIsClass | eTypeIsCPlusPlus; |
| 215 | if ((type_info & cpp_class) != cpp_class) |
| 216 | return LLDB_INVALID_ADDRESS0xffffffffffffffffULL; |
| 217 | |
| 218 | // Calculate offset to VTable pointer |
| 219 | lldb::offset_t vbtable_ptr_offset = |
| 220 | vtable_ctx.isMicrosoft() ? record_layout.getVBPtrOffset().getQuantity() |
| 221 | : 0; |
| 222 | |
| 223 | if (ptr_or_ref) { |
| 224 | // We have a pointer / ref to object, so read |
| 225 | // VTable pointer from process memory |
| 226 | |
| 227 | if (valobj.GetAddressTypeOfChildren() != eAddressTypeLoad) |
| 228 | return LLDB_INVALID_ADDRESS0xffffffffffffffffULL; |
| 229 | |
| 230 | auto vbtable_ptr_addr = valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS0xffffffffffffffffULL); |
| 231 | if (vbtable_ptr_addr == LLDB_INVALID_ADDRESS0xffffffffffffffffULL) |
| 232 | return LLDB_INVALID_ADDRESS0xffffffffffffffffULL; |
| 233 | |
| 234 | vbtable_ptr_addr += vbtable_ptr_offset; |
| 235 | |
| 236 | Status err; |
| 237 | return process.ReadPointerFromMemory(vbtable_ptr_addr, err); |
| 238 | } |
| 239 | |
| 240 | // We have an object already read from process memory, |
| 241 | // so just extract VTable pointer from it |
| 242 | |
| 243 | DataExtractor data; |
| 244 | Status err; |
| 245 | auto size = valobj.GetData(data, err); |
| 246 | if (err.Fail() || vbtable_ptr_offset + data.GetAddressByteSize() > size) |
| 247 | return LLDB_INVALID_ADDRESS0xffffffffffffffffULL; |
| 248 | |
| 249 | return data.GetAddress(&vbtable_ptr_offset); |
| 250 | } |
| 251 | |
| 252 | static int64_t ReadVBaseOffsetFromVTable(Process &process, |
| 253 | VTableContextBase &vtable_ctx, |
| 254 | lldb::addr_t vtable_ptr, |
| 255 | const CXXRecordDecl *cxx_record_decl, |
| 256 | const CXXRecordDecl *base_class_decl) { |
| 257 | if (vtable_ctx.isMicrosoft()) { |
| 258 | clang::MicrosoftVTableContext &msoft_vtable_ctx = |
| 259 | static_cast<clang::MicrosoftVTableContext &>(vtable_ctx); |
| 260 | |
| 261 | // Get the index into the virtual base table. The |
| 262 | // index is the index in uint32_t from vbtable_ptr |
| 263 | const unsigned vbtable_index = |
| 264 | msoft_vtable_ctx.getVBTableIndex(cxx_record_decl, base_class_decl); |
| 265 | const lldb::addr_t base_offset_addr = vtable_ptr + vbtable_index * 4; |
| 266 | Status err; |
| 267 | return process.ReadSignedIntegerFromMemory(base_offset_addr, 4, INT64_MAX0x7fffffffffffffffLL, |
| 268 | err); |
| 269 | } |
| 270 | |
| 271 | clang::ItaniumVTableContext &itanium_vtable_ctx = |
| 272 | static_cast<clang::ItaniumVTableContext &>(vtable_ctx); |
| 273 | |
| 274 | clang::CharUnits base_offset_offset = |
| 275 | itanium_vtable_ctx.getVirtualBaseOffsetOffset(cxx_record_decl, |
| 276 | base_class_decl); |
| 277 | const lldb::addr_t base_offset_addr = |
| 278 | vtable_ptr + base_offset_offset.getQuantity(); |
| 279 | const uint32_t base_offset_size = process.GetAddressByteSize(); |
| 280 | Status err; |
| 281 | return process.ReadSignedIntegerFromMemory(base_offset_addr, base_offset_size, |
| 282 | INT64_MAX0x7fffffffffffffffLL, err); |
| 283 | } |
| 284 | |
| 285 | static bool GetVBaseBitOffset(VTableContextBase &vtable_ctx, |
| 286 | ValueObject &valobj, |
| 287 | const ASTRecordLayout &record_layout, |
| 288 | const CXXRecordDecl *cxx_record_decl, |
| 289 | const CXXRecordDecl *base_class_decl, |
| 290 | int32_t &bit_offset) { |
| 291 | ExecutionContext exe_ctx(valobj.GetExecutionContextRef()); |
| 292 | Process *process = exe_ctx.GetProcessPtr(); |
| 293 | if (!process) |
| 294 | return false; |
| 295 | |
| 296 | lldb::addr_t vtable_ptr = |
| 297 | GetVTableAddress(*process, vtable_ctx, valobj, record_layout); |
| 298 | if (vtable_ptr == LLDB_INVALID_ADDRESS0xffffffffffffffffULL) |
| 299 | return false; |
| 300 | |
| 301 | auto base_offset = ReadVBaseOffsetFromVTable( |
| 302 | *process, vtable_ctx, vtable_ptr, cxx_record_decl, base_class_decl); |
| 303 | if (base_offset == INT64_MAX0x7fffffffffffffffLL) |
| 304 | return false; |
| 305 | |
| 306 | bit_offset = base_offset * 8; |
| 307 | |
| 308 | return true; |
| 309 | } |
| 310 | |
| 311 | typedef lldb_private::ThreadSafeDenseMap<clang::ASTContext *, TypeSystemClang *> |
| 312 | ClangASTMap; |
| 313 | |
| 314 | static ClangASTMap &GetASTMap() { |
| 315 | static ClangASTMap *g_map_ptr = nullptr; |
| 316 | static llvm::once_flag g_once_flag; |
| 317 | llvm::call_once(g_once_flag, []() { |
| 318 | g_map_ptr = new ClangASTMap(); // leaked on purpose to avoid spins |
| 319 | }); |
| 320 | return *g_map_ptr; |
| 321 | } |
| 322 | |
| 323 | TypePayloadClang::TypePayloadClang(OptionalClangModuleID owning_module, |
| 324 | bool is_complete_objc_class) |
| 325 | : m_payload(owning_module.GetValue()) { |
| 326 | SetIsCompleteObjCClass(is_complete_objc_class); |
| 327 | } |
| 328 | |
| 329 | void TypePayloadClang::SetOwningModule(OptionalClangModuleID id) { |
| 330 | assert(id.GetValue() < ObjCClassBit)((void)0); |
| 331 | bool is_complete = IsCompleteObjCClass(); |
| 332 | m_payload = id.GetValue(); |
| 333 | SetIsCompleteObjCClass(is_complete); |
| 334 | } |
| 335 | |
| 336 | static void SetMemberOwningModule(clang::Decl *member, |
| 337 | const clang::Decl *parent) { |
| 338 | if (!member || !parent) |
| 339 | return; |
| 340 | |
| 341 | OptionalClangModuleID id(parent->getOwningModuleID()); |
| 342 | if (!id.HasValue()) |
| 343 | return; |
| 344 | |
| 345 | member->setFromASTFile(); |
| 346 | member->setOwningModuleID(id.GetValue()); |
| 347 | member->setModuleOwnershipKind(clang::Decl::ModuleOwnershipKind::Visible); |
| 348 | if (llvm::isa<clang::NamedDecl>(member)) |
| 349 | if (auto *dc = llvm::dyn_cast<clang::DeclContext>(parent)) { |
| 350 | dc->setHasExternalVisibleStorage(true); |
| 351 | // This triggers ExternalASTSource::FindExternalVisibleDeclsByName() to be |
| 352 | // called when searching for members. |
| 353 | dc->setHasExternalLexicalStorage(true); |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | char TypeSystemClang::ID; |
| 358 | |
| 359 | bool TypeSystemClang::IsOperator(llvm::StringRef name, |
| 360 | clang::OverloadedOperatorKind &op_kind) { |
| 361 | // All operators have to start with "operator". |
| 362 | if (!name.consume_front("operator")) |
| 363 | return false; |
| 364 | |
| 365 | // Remember if there was a space after "operator". This is necessary to |
| 366 | // check for collisions with strangely named functions like "operatorint()". |
| 367 | bool space_after_operator = name.consume_front(" "); |
| 368 | |
| 369 | op_kind = StringSwitch<clang::OverloadedOperatorKind>(name) |
| 370 | .Case("+", clang::OO_Plus) |
| 371 | .Case("+=", clang::OO_PlusEqual) |
| 372 | .Case("++", clang::OO_PlusPlus) |
| 373 | .Case("-", clang::OO_Minus) |
| 374 | .Case("-=", clang::OO_MinusEqual) |
| 375 | .Case("--", clang::OO_MinusMinus) |
| 376 | .Case("->", clang::OO_Arrow) |
| 377 | .Case("->*", clang::OO_ArrowStar) |
| 378 | .Case("*", clang::OO_Star) |
| 379 | .Case("*=", clang::OO_StarEqual) |
| 380 | .Case("/", clang::OO_Slash) |
| 381 | .Case("/=", clang::OO_SlashEqual) |
| 382 | .Case("%", clang::OO_Percent) |
| 383 | .Case("%=", clang::OO_PercentEqual) |
| 384 | .Case("^", clang::OO_Caret) |
| 385 | .Case("^=", clang::OO_CaretEqual) |
| 386 | .Case("&", clang::OO_Amp) |
| 387 | .Case("&=", clang::OO_AmpEqual) |
| 388 | .Case("&&", clang::OO_AmpAmp) |
| 389 | .Case("|", clang::OO_Pipe) |
| 390 | .Case("|=", clang::OO_PipeEqual) |
| 391 | .Case("||", clang::OO_PipePipe) |
| 392 | .Case("~", clang::OO_Tilde) |
| 393 | .Case("!", clang::OO_Exclaim) |
| 394 | .Case("!=", clang::OO_ExclaimEqual) |
| 395 | .Case("=", clang::OO_Equal) |
| 396 | .Case("==", clang::OO_EqualEqual) |
| 397 | .Case("<", clang::OO_Less) |
| 398 | .Case("<<", clang::OO_LessLess) |
| 399 | .Case("<<=", clang::OO_LessLessEqual) |
| 400 | .Case("<=", clang::OO_LessEqual) |
| 401 | .Case(">", clang::OO_Greater) |
| 402 | .Case(">>", clang::OO_GreaterGreater) |
| 403 | .Case(">>=", clang::OO_GreaterGreaterEqual) |
| 404 | .Case(">=", clang::OO_GreaterEqual) |
| 405 | .Case("()", clang::OO_Call) |
| 406 | .Case("[]", clang::OO_Subscript) |
| 407 | .Case(",", clang::OO_Comma) |
| 408 | .Default(clang::NUM_OVERLOADED_OPERATORS); |
| 409 | |
| 410 | // We found a fitting operator, so we can exit now. |
| 411 | if (op_kind != clang::NUM_OVERLOADED_OPERATORS) |
| 412 | return true; |
| 413 | |
| 414 | // After the "operator " or "operator" part is something unknown. This means |
| 415 | // it's either one of the named operators (new/delete), a conversion operator |
| 416 | // (e.g. operator bool) or a function which name starts with "operator" |
| 417 | // (e.g. void operatorbool). |
| 418 | |
| 419 | // If it's a function that starts with operator it can't have a space after |
| 420 | // "operator" because identifiers can't contain spaces. |
| 421 | // E.g. "operator int" (conversion operator) |
| 422 | // vs. "operatorint" (function with colliding name). |
| 423 | if (!space_after_operator) |
| 424 | return false; // not an operator. |
| 425 | |
| 426 | // Now the operator is either one of the named operators or a conversion |
| 427 | // operator. |
| 428 | op_kind = StringSwitch<clang::OverloadedOperatorKind>(name) |
| 429 | .Case("new", clang::OO_New) |
| 430 | .Case("new[]", clang::OO_Array_New) |
| 431 | .Case("delete", clang::OO_Delete) |
| 432 | .Case("delete[]", clang::OO_Array_Delete) |
| 433 | // conversion operators hit this case. |
| 434 | .Default(clang::NUM_OVERLOADED_OPERATORS); |
| 435 | |
| 436 | return true; |
| 437 | } |
| 438 | |
| 439 | clang::AccessSpecifier |
| 440 | TypeSystemClang::ConvertAccessTypeToAccessSpecifier(AccessType access) { |
| 441 | switch (access) { |
| 442 | default: |
| 443 | break; |
| 444 | case eAccessNone: |
| 445 | return AS_none; |
| 446 | case eAccessPublic: |
| 447 | return AS_public; |
| 448 | case eAccessPrivate: |
| 449 | return AS_private; |
| 450 | case eAccessProtected: |
| 451 | return AS_protected; |
| 452 | } |
| 453 | return AS_none; |
| 454 | } |
| 455 | |
| 456 | static void ParseLangArgs(LangOptions &Opts, InputKind IK, const char *triple) { |
| 457 | // FIXME: Cleanup per-file based stuff. |
| 458 | |
| 459 | // Set some properties which depend solely on the input kind; it would be |
| 460 | // nice to move these to the language standard, and have the driver resolve |
| 461 | // the input kind + language standard. |
| 462 | if (IK.getLanguage() == clang::Language::Asm) { |
| 463 | Opts.AsmPreprocessor = 1; |
| 464 | } else if (IK.isObjectiveC()) { |
| 465 | Opts.ObjC = 1; |
| 466 | } |
| 467 | |
| 468 | LangStandard::Kind LangStd = LangStandard::lang_unspecified; |
| 469 | |
| 470 | if (LangStd == LangStandard::lang_unspecified) { |
| 471 | // Based on the base language, pick one. |
| 472 | switch (IK.getLanguage()) { |
| 473 | case clang::Language::Unknown: |
| 474 | case clang::Language::LLVM_IR: |
| 475 | case clang::Language::RenderScript: |
| 476 | llvm_unreachable("Invalid input kind!")__builtin_unreachable(); |
| 477 | case clang::Language::OpenCL: |
| 478 | LangStd = LangStandard::lang_opencl10; |
| 479 | break; |
| 480 | case clang::Language::OpenCLCXX: |
| 481 | LangStd = LangStandard::lang_openclcpp; |
| 482 | break; |
| 483 | case clang::Language::CUDA: |
| 484 | LangStd = LangStandard::lang_cuda; |
| 485 | break; |
| 486 | case clang::Language::Asm: |
| 487 | case clang::Language::C: |
| 488 | case clang::Language::ObjC: |
| 489 | LangStd = LangStandard::lang_gnu99; |
| 490 | break; |
| 491 | case clang::Language::CXX: |
| 492 | case clang::Language::ObjCXX: |
| 493 | LangStd = LangStandard::lang_gnucxx98; |
| 494 | break; |
| 495 | case clang::Language::HIP: |
| 496 | LangStd = LangStandard::lang_hip; |
| 497 | break; |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); |
| 502 | Opts.LineComment = Std.hasLineComments(); |
| 503 | Opts.C99 = Std.isC99(); |
| 504 | Opts.CPlusPlus = Std.isCPlusPlus(); |
| 505 | Opts.CPlusPlus11 = Std.isCPlusPlus11(); |
| 506 | Opts.Digraphs = Std.hasDigraphs(); |
| 507 | Opts.GNUMode = Std.isGNUMode(); |
| 508 | Opts.GNUInline = !Std.isC99(); |
| 509 | Opts.HexFloats = Std.hasHexFloats(); |
| 510 | Opts.ImplicitInt = Std.hasImplicitInt(); |
| 511 | |
| 512 | Opts.WChar = true; |
| 513 | |
| 514 | // OpenCL has some additional defaults. |
| 515 | if (LangStd == LangStandard::lang_opencl10) { |
| 516 | Opts.OpenCL = 1; |
| 517 | Opts.AltiVec = 1; |
| 518 | Opts.CXXOperatorNames = 1; |
| 519 | Opts.setLaxVectorConversions(LangOptions::LaxVectorConversionKind::All); |
| 520 | } |
| 521 | |
| 522 | // OpenCL and C++ both have bool, true, false keywords. |
| 523 | Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; |
| 524 | |
| 525 | Opts.setValueVisibilityMode(DefaultVisibility); |
| 526 | |
| 527 | // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs is |
| 528 | // specified, or -std is set to a conforming mode. |
| 529 | Opts.Trigraphs = !Opts.GNUMode; |
| 530 | Opts.CharIsSigned = ArchSpec(triple).CharIsSignedByDefault(); |
| 531 | Opts.OptimizeSize = 0; |
| 532 | |
| 533 | // FIXME: Eliminate this dependency. |
| 534 | // unsigned Opt = |
| 535 | // Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags); |
| 536 | // Opts.Optimize = Opt != 0; |
| 537 | unsigned Opt = 0; |
| 538 | |
| 539 | // This is the __NO_INLINE__ define, which just depends on things like the |
| 540 | // optimization level and -fno-inline, not actually whether the backend has |
| 541 | // inlining enabled. |
| 542 | // |
| 543 | // FIXME: This is affected by other options (-fno-inline). |
| 544 | Opts.NoInlineDefine = !Opt; |
| 545 | |
| 546 | // This is needed to allocate the extra space for the owning module |
| 547 | // on each decl. |
| 548 | Opts.ModulesLocalVisibility = 1; |
| 549 | } |
| 550 | |
| 551 | TypeSystemClang::TypeSystemClang(llvm::StringRef name, |
| 552 | llvm::Triple target_triple) { |
| 553 | m_display_name = name.str(); |
| 554 | if (!target_triple.str().empty()) |
| 555 | SetTargetTriple(target_triple.str()); |
| 556 | // The caller didn't pass an ASTContext so create a new one for this |
| 557 | // TypeSystemClang. |
| 558 | CreateASTContext(); |
| 559 | } |
| 560 | |
| 561 | TypeSystemClang::TypeSystemClang(llvm::StringRef name, |
| 562 | ASTContext &existing_ctxt) { |
| 563 | m_display_name = name.str(); |
| 564 | SetTargetTriple(existing_ctxt.getTargetInfo().getTriple().str()); |
| 565 | |
| 566 | m_ast_up.reset(&existing_ctxt); |
| 567 | GetASTMap().Insert(&existing_ctxt, this); |
| 568 | } |
| 569 | |
| 570 | // Destructor |
| 571 | TypeSystemClang::~TypeSystemClang() { Finalize(); } |
| 572 | |
| 573 | ConstString TypeSystemClang::GetPluginNameStatic() { |
| 574 | return ConstString("clang"); |
| 575 | } |
| 576 | |
| 577 | ConstString TypeSystemClang::GetPluginName() { |
| 578 | return TypeSystemClang::GetPluginNameStatic(); |
| 579 | } |
| 580 | |
| 581 | uint32_t TypeSystemClang::GetPluginVersion() { return 1; } |
| 582 | |
| 583 | lldb::TypeSystemSP TypeSystemClang::CreateInstance(lldb::LanguageType language, |
| 584 | lldb_private::Module *module, |
| 585 | Target *target) { |
| 586 | if (!TypeSystemClangSupportsLanguage(language)) |
| 587 | return lldb::TypeSystemSP(); |
| 588 | ArchSpec arch; |
| 589 | if (module) |
| 590 | arch = module->GetArchitecture(); |
| 591 | else if (target) |
| 592 | arch = target->GetArchitecture(); |
| 593 | |
| 594 | if (!arch.IsValid()) |
| 595 | return lldb::TypeSystemSP(); |
| 596 | |
| 597 | llvm::Triple triple = arch.GetTriple(); |
| 598 | // LLVM wants this to be set to iOS or MacOSX; if we're working on |
| 599 | // a bare-boards type image, change the triple for llvm's benefit. |
| 600 | if (triple.getVendor() == llvm::Triple::Apple && |
| 601 | triple.getOS() == llvm::Triple::UnknownOS) { |
| 602 | if (triple.getArch() == llvm::Triple::arm || |
| 603 | triple.getArch() == llvm::Triple::aarch64 || |
| 604 | triple.getArch() == llvm::Triple::aarch64_32 || |
| 605 | triple.getArch() == llvm::Triple::thumb) { |
| 606 | triple.setOS(llvm::Triple::IOS); |
| 607 | } else { |
| 608 | triple.setOS(llvm::Triple::MacOSX); |
| 609 | } |
| 610 | } |
| 611 | |
| 612 | if (module) { |
| 613 | std::string ast_name = |
| 614 | "ASTContext for '" + module->GetFileSpec().GetPath() + "'"; |
| 615 | return std::make_shared<TypeSystemClang>(ast_name, triple); |
| 616 | } else if (target && target->IsValid()) |
| 617 | return std::make_shared<ScratchTypeSystemClang>(*target, triple); |
| 618 | return lldb::TypeSystemSP(); |
| 619 | } |
| 620 | |
| 621 | LanguageSet TypeSystemClang::GetSupportedLanguagesForTypes() { |
| 622 | LanguageSet languages; |
| 623 | languages.Insert(lldb::eLanguageTypeC89); |
| 624 | languages.Insert(lldb::eLanguageTypeC); |
| 625 | languages.Insert(lldb::eLanguageTypeC11); |
| 626 | languages.Insert(lldb::eLanguageTypeC_plus_plus); |
| 627 | languages.Insert(lldb::eLanguageTypeC99); |
| 628 | languages.Insert(lldb::eLanguageTypeObjC); |
| 629 | languages.Insert(lldb::eLanguageTypeObjC_plus_plus); |
| 630 | languages.Insert(lldb::eLanguageTypeC_plus_plus_03); |
| 631 | languages.Insert(lldb::eLanguageTypeC_plus_plus_11); |
| 632 | languages.Insert(lldb::eLanguageTypeC11); |
| 633 | languages.Insert(lldb::eLanguageTypeC_plus_plus_14); |
| 634 | return languages; |
| 635 | } |
| 636 | |
| 637 | LanguageSet TypeSystemClang::GetSupportedLanguagesForExpressions() { |
| 638 | LanguageSet languages; |
| 639 | languages.Insert(lldb::eLanguageTypeC_plus_plus); |
| 640 | languages.Insert(lldb::eLanguageTypeObjC_plus_plus); |
| 641 | languages.Insert(lldb::eLanguageTypeC_plus_plus_03); |
| 642 | languages.Insert(lldb::eLanguageTypeC_plus_plus_11); |
| 643 | languages.Insert(lldb::eLanguageTypeC_plus_plus_14); |
| 644 | return languages; |
| 645 | } |
| 646 | |
| 647 | void TypeSystemClang::Initialize() { |
| 648 | PluginManager::RegisterPlugin( |
| 649 | GetPluginNameStatic(), "clang base AST context plug-in", CreateInstance, |
| 650 | GetSupportedLanguagesForTypes(), GetSupportedLanguagesForExpressions()); |
| 651 | } |
| 652 | |
| 653 | void TypeSystemClang::Terminate() { |
| 654 | PluginManager::UnregisterPlugin(CreateInstance); |
| 655 | } |
| 656 | |
| 657 | void TypeSystemClang::Finalize() { |
| 658 | assert(m_ast_up)((void)0); |
| 659 | GetASTMap().Erase(m_ast_up.get()); |
| 660 | if (!m_ast_owned) |
| 661 | m_ast_up.release(); |
| 662 | |
| 663 | m_builtins_up.reset(); |
| 664 | m_selector_table_up.reset(); |
| 665 | m_identifier_table_up.reset(); |
| 666 | m_target_info_up.reset(); |
| 667 | m_target_options_rp.reset(); |
| 668 | m_diagnostics_engine_up.reset(); |
| 669 | m_source_manager_up.reset(); |
| 670 | m_language_options_up.reset(); |
| 671 | } |
| 672 | |
| 673 | void TypeSystemClang::setSema(Sema *s) { |
| 674 | // Ensure that the new sema actually belongs to our ASTContext. |
| 675 | assert(s == nullptr || &s->getASTContext() == m_ast_up.get())((void)0); |
| 676 | m_sema = s; |
| 677 | } |
| 678 | |
| 679 | const char *TypeSystemClang::GetTargetTriple() { |
| 680 | return m_target_triple.c_str(); |
| 681 | } |
| 682 | |
| 683 | void TypeSystemClang::SetTargetTriple(llvm::StringRef target_triple) { |
| 684 | m_target_triple = target_triple.str(); |
| 685 | } |
| 686 | |
| 687 | void TypeSystemClang::SetExternalSource( |
| 688 | llvm::IntrusiveRefCntPtr<ExternalASTSource> &ast_source_up) { |
| 689 | ASTContext &ast = getASTContext(); |
| 690 | ast.getTranslationUnitDecl()->setHasExternalLexicalStorage(true); |
| 691 | ast.setExternalSource(ast_source_up); |
| 692 | } |
| 693 | |
| 694 | ASTContext &TypeSystemClang::getASTContext() { |
| 695 | assert(m_ast_up)((void)0); |
| 696 | return *m_ast_up; |
| 697 | } |
| 698 | |
| 699 | class NullDiagnosticConsumer : public DiagnosticConsumer { |
| 700 | public: |
| 701 | NullDiagnosticConsumer() { |
| 702 | m_log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS(1u << 8)); |
| 703 | } |
| 704 | |
| 705 | void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, |
| 706 | const clang::Diagnostic &info) override { |
| 707 | if (m_log) { |
| 708 | llvm::SmallVector<char, 32> diag_str(10); |
| 709 | info.FormatDiagnostic(diag_str); |
| 710 | diag_str.push_back('\0'); |
| 711 | LLDB_LOGF(m_log, "Compiler diagnostic: %s\n", diag_str.data())do { ::lldb_private::Log *log_private = (m_log); if (log_private ) log_private->Printf("Compiler diagnostic: %s\n", diag_str .data()); } while (0); |
| 712 | } |
| 713 | } |
| 714 | |
| 715 | DiagnosticConsumer *clone(DiagnosticsEngine &Diags) const { |
| 716 | return new NullDiagnosticConsumer(); |
| 717 | } |
| 718 | |
| 719 | private: |
| 720 | Log *m_log; |
| 721 | }; |
| 722 | |
| 723 | void TypeSystemClang::CreateASTContext() { |
| 724 | assert(!m_ast_up)((void)0); |
| 725 | m_ast_owned = true; |
| 726 | |
| 727 | m_language_options_up = std::make_unique<LangOptions>(); |
| 728 | ParseLangArgs(*m_language_options_up, clang::Language::ObjCXX, |
| 729 | GetTargetTriple()); |
| 730 | |
| 731 | m_identifier_table_up = |
| 732 | std::make_unique<IdentifierTable>(*m_language_options_up, nullptr); |
| 733 | m_builtins_up = std::make_unique<Builtin::Context>(); |
| 734 | |
| 735 | m_selector_table_up = std::make_unique<SelectorTable>(); |
| 736 | |
| 737 | clang::FileSystemOptions file_system_options; |
| 738 | m_file_manager_up = std::make_unique<clang::FileManager>( |
| 739 | file_system_options, FileSystem::Instance().GetVirtualFileSystem()); |
| 740 | |
| 741 | llvm::IntrusiveRefCntPtr<DiagnosticIDs> diag_id_sp(new DiagnosticIDs()); |
| 742 | m_diagnostics_engine_up = |
| 743 | std::make_unique<DiagnosticsEngine>(diag_id_sp, new DiagnosticOptions()); |
| 744 | |
| 745 | m_source_manager_up = std::make_unique<clang::SourceManager>( |
| 746 | *m_diagnostics_engine_up, *m_file_manager_up); |
| 747 | m_ast_up = std::make_unique<ASTContext>( |
| 748 | *m_language_options_up, *m_source_manager_up, *m_identifier_table_up, |
| 749 | *m_selector_table_up, *m_builtins_up, TU_Complete); |
| 750 | |
| 751 | m_diagnostic_consumer_up = std::make_unique<NullDiagnosticConsumer>(); |
| 752 | m_ast_up->getDiagnostics().setClient(m_diagnostic_consumer_up.get(), false); |
| 753 | |
| 754 | // This can be NULL if we don't know anything about the architecture or if |
| 755 | // the target for an architecture isn't enabled in the llvm/clang that we |
| 756 | // built |
| 757 | TargetInfo *target_info = getTargetInfo(); |
| 758 | if (target_info) |
| 759 | m_ast_up->InitBuiltinTypes(*target_info); |
| 760 | |
| 761 | GetASTMap().Insert(m_ast_up.get(), this); |
| 762 | |
| 763 | llvm::IntrusiveRefCntPtr<clang::ExternalASTSource> ast_source_up( |
| 764 | new ClangExternalASTSourceCallbacks(*this)); |
| 765 | SetExternalSource(ast_source_up); |
| 766 | } |
| 767 | |
| 768 | TypeSystemClang *TypeSystemClang::GetASTContext(clang::ASTContext *ast) { |
| 769 | TypeSystemClang *clang_ast = GetASTMap().Lookup(ast); |
| 770 | return clang_ast; |
| 771 | } |
| 772 | |
| 773 | clang::MangleContext *TypeSystemClang::getMangleContext() { |
| 774 | if (m_mangle_ctx_up == nullptr) |
| 775 | m_mangle_ctx_up.reset(getASTContext().createMangleContext()); |
| 776 | return m_mangle_ctx_up.get(); |
| 777 | } |
| 778 | |
| 779 | std::shared_ptr<clang::TargetOptions> &TypeSystemClang::getTargetOptions() { |
| 780 | if (m_target_options_rp == nullptr && !m_target_triple.empty()) { |
| 781 | m_target_options_rp = std::make_shared<clang::TargetOptions>(); |
| 782 | if (m_target_options_rp != nullptr) |
| 783 | m_target_options_rp->Triple = m_target_triple; |
| 784 | } |
| 785 | return m_target_options_rp; |
| 786 | } |
| 787 | |
| 788 | TargetInfo *TypeSystemClang::getTargetInfo() { |
| 789 | // target_triple should be something like "x86_64-apple-macosx" |
| 790 | if (m_target_info_up == nullptr && !m_target_triple.empty()) |
| 791 | m_target_info_up.reset(TargetInfo::CreateTargetInfo( |
| 792 | getASTContext().getDiagnostics(), getTargetOptions())); |
| 793 | return m_target_info_up.get(); |
| 794 | } |
| 795 | |
| 796 | #pragma mark Basic Types |
| 797 | |
| 798 | static inline bool QualTypeMatchesBitSize(const uint64_t bit_size, |
| 799 | ASTContext &ast, QualType qual_type) { |
| 800 | uint64_t qual_type_bit_size = ast.getTypeSize(qual_type); |
| 801 | return qual_type_bit_size == bit_size; |
| 802 | } |
| 803 | |
| 804 | CompilerType |
| 805 | TypeSystemClang::GetBuiltinTypeForEncodingAndBitSize(Encoding encoding, |
| 806 | size_t bit_size) { |
| 807 | ASTContext &ast = getASTContext(); |
| 808 | switch (encoding) { |
| 809 | case eEncodingInvalid: |
| 810 | if (QualTypeMatchesBitSize(bit_size, ast, ast.VoidPtrTy)) |
| 811 | return GetType(ast.VoidPtrTy); |
| 812 | break; |
| 813 | |
| 814 | case eEncodingUint: |
| 815 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
| 816 | return GetType(ast.UnsignedCharTy); |
| 817 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
| 818 | return GetType(ast.UnsignedShortTy); |
| 819 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) |
| 820 | return GetType(ast.UnsignedIntTy); |
| 821 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy)) |
| 822 | return GetType(ast.UnsignedLongTy); |
| 823 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy)) |
| 824 | return GetType(ast.UnsignedLongLongTy); |
| 825 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty)) |
| 826 | return GetType(ast.UnsignedInt128Ty); |
| 827 | break; |
| 828 | |
| 829 | case eEncodingSint: |
| 830 | if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy)) |
| 831 | return GetType(ast.SignedCharTy); |
| 832 | if (QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy)) |
| 833 | return GetType(ast.ShortTy); |
| 834 | if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy)) |
| 835 | return GetType(ast.IntTy); |
| 836 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongTy)) |
| 837 | return GetType(ast.LongTy); |
| 838 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy)) |
| 839 | return GetType(ast.LongLongTy); |
| 840 | if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty)) |
| 841 | return GetType(ast.Int128Ty); |
| 842 | break; |
| 843 | |
| 844 | case eEncodingIEEE754: |
| 845 | if (QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy)) |
| 846 | return GetType(ast.FloatTy); |
| 847 | if (QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy)) |
| 848 | return GetType(ast.DoubleTy); |
| 849 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy)) |
| 850 | return GetType(ast.LongDoubleTy); |
| 851 | if (QualTypeMatchesBitSize(bit_size, ast, ast.HalfTy)) |
| 852 | return GetType(ast.HalfTy); |
| 853 | break; |
| 854 | |
| 855 | case eEncodingVector: |
| 856 | // Sanity check that bit_size is a multiple of 8's. |
| 857 | if (bit_size && !(bit_size & 0x7u)) |
| 858 | return GetType(ast.getExtVectorType(ast.UnsignedCharTy, bit_size / 8)); |
| 859 | break; |
| 860 | } |
| 861 | |
| 862 | return CompilerType(); |
| 863 | } |
| 864 | |
| 865 | lldb::BasicType |
| 866 | TypeSystemClang::GetBasicTypeEnumeration(ConstString name) { |
| 867 | if (name) { |
| 868 | typedef UniqueCStringMap<lldb::BasicType> TypeNameToBasicTypeMap; |
| 869 | static TypeNameToBasicTypeMap g_type_map; |
| 870 | static llvm::once_flag g_once_flag; |
| 871 | llvm::call_once(g_once_flag, []() { |
| 872 | // "void" |
| 873 | g_type_map.Append(ConstString("void"), eBasicTypeVoid); |
| 874 | |
| 875 | // "char" |
| 876 | g_type_map.Append(ConstString("char"), eBasicTypeChar); |
| 877 | g_type_map.Append(ConstString("signed char"), eBasicTypeSignedChar); |
| 878 | g_type_map.Append(ConstString("unsigned char"), eBasicTypeUnsignedChar); |
| 879 | g_type_map.Append(ConstString("wchar_t"), eBasicTypeWChar); |
| 880 | g_type_map.Append(ConstString("signed wchar_t"), eBasicTypeSignedWChar); |
| 881 | g_type_map.Append(ConstString("unsigned wchar_t"), |
| 882 | eBasicTypeUnsignedWChar); |
| 883 | // "short" |
| 884 | g_type_map.Append(ConstString("short"), eBasicTypeShort); |
| 885 | g_type_map.Append(ConstString("short int"), eBasicTypeShort); |
| 886 | g_type_map.Append(ConstString("unsigned short"), eBasicTypeUnsignedShort); |
| 887 | g_type_map.Append(ConstString("unsigned short int"), |
| 888 | eBasicTypeUnsignedShort); |
| 889 | |
| 890 | // "int" |
| 891 | g_type_map.Append(ConstString("int"), eBasicTypeInt); |
| 892 | g_type_map.Append(ConstString("signed int"), eBasicTypeInt); |
| 893 | g_type_map.Append(ConstString("unsigned int"), eBasicTypeUnsignedInt); |
| 894 | g_type_map.Append(ConstString("unsigned"), eBasicTypeUnsignedInt); |
| 895 | |
| 896 | // "long" |
| 897 | g_type_map.Append(ConstString("long"), eBasicTypeLong); |
| 898 | g_type_map.Append(ConstString("long int"), eBasicTypeLong); |
| 899 | g_type_map.Append(ConstString("unsigned long"), eBasicTypeUnsignedLong); |
| 900 | g_type_map.Append(ConstString("unsigned long int"), |
| 901 | eBasicTypeUnsignedLong); |
| 902 | |
| 903 | // "long long" |
| 904 | g_type_map.Append(ConstString("long long"), eBasicTypeLongLong); |
| 905 | g_type_map.Append(ConstString("long long int"), eBasicTypeLongLong); |
| 906 | g_type_map.Append(ConstString("unsigned long long"), |
| 907 | eBasicTypeUnsignedLongLong); |
| 908 | g_type_map.Append(ConstString("unsigned long long int"), |
| 909 | eBasicTypeUnsignedLongLong); |
| 910 | |
| 911 | // "int128" |
| 912 | g_type_map.Append(ConstString("__int128_t"), eBasicTypeInt128); |
| 913 | g_type_map.Append(ConstString("__uint128_t"), eBasicTypeUnsignedInt128); |
| 914 | |
| 915 | // Miscellaneous |
| 916 | g_type_map.Append(ConstString("bool"), eBasicTypeBool); |
| 917 | g_type_map.Append(ConstString("float"), eBasicTypeFloat); |
| 918 | g_type_map.Append(ConstString("double"), eBasicTypeDouble); |
| 919 | g_type_map.Append(ConstString("long double"), eBasicTypeLongDouble); |
| 920 | g_type_map.Append(ConstString("id"), eBasicTypeObjCID); |
| 921 | g_type_map.Append(ConstString("SEL"), eBasicTypeObjCSel); |
| 922 | g_type_map.Append(ConstString("nullptr"), eBasicTypeNullPtr); |
| 923 | g_type_map.Sort(); |
| 924 | }); |
| 925 | |
| 926 | return g_type_map.Find(name, eBasicTypeInvalid); |
| 927 | } |
| 928 | return eBasicTypeInvalid; |
| 929 | } |
| 930 | |
| 931 | uint32_t TypeSystemClang::GetPointerByteSize() { |
| 932 | if (m_pointer_byte_size == 0) |
| 933 | if (auto size = GetBasicType(lldb::eBasicTypeVoid) |
| 934 | .GetPointerType() |
| 935 | .GetByteSize(nullptr)) |
| 936 | m_pointer_byte_size = *size; |
| 937 | return m_pointer_byte_size; |
| 938 | } |
| 939 | |
| 940 | CompilerType TypeSystemClang::GetBasicType(lldb::BasicType basic_type) { |
| 941 | clang::ASTContext &ast = getASTContext(); |
| 942 | |
| 943 | lldb::opaque_compiler_type_t clang_type = |
| 944 | GetOpaqueCompilerType(&ast, basic_type); |
| 945 | |
| 946 | if (clang_type) |
| 947 | return CompilerType(this, clang_type); |
| 948 | return CompilerType(); |
| 949 | } |
| 950 | |
| 951 | CompilerType TypeSystemClang::GetBuiltinTypeForDWARFEncodingAndBitSize( |
| 952 | llvm::StringRef type_name, uint32_t dw_ate, uint32_t bit_size) { |
| 953 | ASTContext &ast = getASTContext(); |
| 954 | |
| 955 | switch (dw_ate) { |
| 956 | default: |
| 957 | break; |
| 958 | |
| 959 | case DW_ATE_address: |
| 960 | if (QualTypeMatchesBitSize(bit_size, ast, ast.VoidPtrTy)) |
| 961 | return GetType(ast.VoidPtrTy); |
| 962 | break; |
| 963 | |
| 964 | case DW_ATE_boolean: |
| 965 | if (QualTypeMatchesBitSize(bit_size, ast, ast.BoolTy)) |
| 966 | return GetType(ast.BoolTy); |
| 967 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
| 968 | return GetType(ast.UnsignedCharTy); |
| 969 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
| 970 | return GetType(ast.UnsignedShortTy); |
| 971 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) |
| 972 | return GetType(ast.UnsignedIntTy); |
| 973 | break; |
| 974 | |
| 975 | case DW_ATE_lo_user: |
| 976 | // This has been seen to mean DW_AT_complex_integer |
| 977 | if (type_name.contains("complex")) { |
| 978 | CompilerType complex_int_clang_type = |
| 979 | GetBuiltinTypeForDWARFEncodingAndBitSize("int", DW_ATE_signed, |
| 980 | bit_size / 2); |
| 981 | return GetType( |
| 982 | ast.getComplexType(ClangUtil::GetQualType(complex_int_clang_type))); |
| 983 | } |
| 984 | break; |
| 985 | |
| 986 | case DW_ATE_complex_float: |
| 987 | if (QualTypeMatchesBitSize(bit_size, ast, ast.FloatComplexTy)) |
| 988 | return GetType(ast.FloatComplexTy); |
| 989 | else if (QualTypeMatchesBitSize(bit_size, ast, ast.DoubleComplexTy)) |
| 990 | return GetType(ast.DoubleComplexTy); |
| 991 | else if (QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleComplexTy)) |
| 992 | return GetType(ast.LongDoubleComplexTy); |
| 993 | else { |
| 994 | CompilerType complex_float_clang_type = |
| 995 | GetBuiltinTypeForDWARFEncodingAndBitSize("float", DW_ATE_float, |
| 996 | bit_size / 2); |
| 997 | return GetType( |
| 998 | ast.getComplexType(ClangUtil::GetQualType(complex_float_clang_type))); |
| 999 | } |
| 1000 | break; |
| 1001 | |
| 1002 | case DW_ATE_float: |
| 1003 | if (type_name == "float" && |
| 1004 | QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy)) |
| 1005 | return GetType(ast.FloatTy); |
| 1006 | if (type_name == "double" && |
| 1007 | QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy)) |
| 1008 | return GetType(ast.DoubleTy); |
| 1009 | if (type_name == "long double" && |
| 1010 | QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy)) |
| 1011 | return GetType(ast.LongDoubleTy); |
| 1012 | // Fall back to not requiring a name match |
| 1013 | if (QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy)) |
| 1014 | return GetType(ast.FloatTy); |
| 1015 | if (QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy)) |
| 1016 | return GetType(ast.DoubleTy); |
| 1017 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy)) |
| 1018 | return GetType(ast.LongDoubleTy); |
| 1019 | if (QualTypeMatchesBitSize(bit_size, ast, ast.HalfTy)) |
| 1020 | return GetType(ast.HalfTy); |
| 1021 | break; |
| 1022 | |
| 1023 | case DW_ATE_signed: |
| 1024 | if (!type_name.empty()) { |
| 1025 | if (type_name == "wchar_t" && |
| 1026 | QualTypeMatchesBitSize(bit_size, ast, ast.WCharTy) && |
| 1027 | (getTargetInfo() && |
| 1028 | TargetInfo::isTypeSigned(getTargetInfo()->getWCharType()))) |
| 1029 | return GetType(ast.WCharTy); |
| 1030 | if (type_name == "void" && |
| 1031 | QualTypeMatchesBitSize(bit_size, ast, ast.VoidTy)) |
| 1032 | return GetType(ast.VoidTy); |
| 1033 | if (type_name.contains("long long") && |
| 1034 | QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy)) |
| 1035 | return GetType(ast.LongLongTy); |
| 1036 | if (type_name.contains("long") && |
| 1037 | QualTypeMatchesBitSize(bit_size, ast, ast.LongTy)) |
| 1038 | return GetType(ast.LongTy); |
| 1039 | if (type_name.contains("short") && |
| 1040 | QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy)) |
| 1041 | return GetType(ast.ShortTy); |
| 1042 | if (type_name.contains("char")) { |
| 1043 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) |
| 1044 | return GetType(ast.CharTy); |
| 1045 | if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy)) |
| 1046 | return GetType(ast.SignedCharTy); |
| 1047 | } |
| 1048 | if (type_name.contains("int")) { |
| 1049 | if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy)) |
| 1050 | return GetType(ast.IntTy); |
| 1051 | if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty)) |
| 1052 | return GetType(ast.Int128Ty); |
| 1053 | } |
| 1054 | } |
| 1055 | // We weren't able to match up a type name, just search by size |
| 1056 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) |
| 1057 | return GetType(ast.CharTy); |
| 1058 | if (QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy)) |
| 1059 | return GetType(ast.ShortTy); |
| 1060 | if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy)) |
| 1061 | return GetType(ast.IntTy); |
| 1062 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongTy)) |
| 1063 | return GetType(ast.LongTy); |
| 1064 | if (QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy)) |
| 1065 | return GetType(ast.LongLongTy); |
| 1066 | if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty)) |
| 1067 | return GetType(ast.Int128Ty); |
| 1068 | break; |
| 1069 | |
| 1070 | case DW_ATE_signed_char: |
| 1071 | if (ast.getLangOpts().CharIsSigned && type_name == "char") { |
| 1072 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) |
| 1073 | return GetType(ast.CharTy); |
| 1074 | } |
| 1075 | if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy)) |
| 1076 | return GetType(ast.SignedCharTy); |
| 1077 | break; |
| 1078 | |
| 1079 | case DW_ATE_unsigned: |
| 1080 | if (!type_name.empty()) { |
| 1081 | if (type_name == "wchar_t") { |
| 1082 | if (QualTypeMatchesBitSize(bit_size, ast, ast.WCharTy)) { |
| 1083 | if (!(getTargetInfo() && |
| 1084 | TargetInfo::isTypeSigned(getTargetInfo()->getWCharType()))) |
| 1085 | return GetType(ast.WCharTy); |
| 1086 | } |
| 1087 | } |
| 1088 | if (type_name.contains("long long")) { |
| 1089 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy)) |
| 1090 | return GetType(ast.UnsignedLongLongTy); |
| 1091 | } else if (type_name.contains("long")) { |
| 1092 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy)) |
| 1093 | return GetType(ast.UnsignedLongTy); |
| 1094 | } else if (type_name.contains("short")) { |
| 1095 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
| 1096 | return GetType(ast.UnsignedShortTy); |
| 1097 | } else if (type_name.contains("char")) { |
| 1098 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
| 1099 | return GetType(ast.UnsignedCharTy); |
| 1100 | } else if (type_name.contains("int")) { |
| 1101 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) |
| 1102 | return GetType(ast.UnsignedIntTy); |
| 1103 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty)) |
| 1104 | return GetType(ast.UnsignedInt128Ty); |
| 1105 | } |
| 1106 | } |
| 1107 | // We weren't able to match up a type name, just search by size |
| 1108 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
| 1109 | return GetType(ast.UnsignedCharTy); |
| 1110 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
| 1111 | return GetType(ast.UnsignedShortTy); |
| 1112 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy)) |
| 1113 | return GetType(ast.UnsignedIntTy); |
| 1114 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy)) |
| 1115 | return GetType(ast.UnsignedLongTy); |
| 1116 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy)) |
| 1117 | return GetType(ast.UnsignedLongLongTy); |
| 1118 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty)) |
| 1119 | return GetType(ast.UnsignedInt128Ty); |
| 1120 | break; |
| 1121 | |
| 1122 | case DW_ATE_unsigned_char: |
| 1123 | if (!ast.getLangOpts().CharIsSigned && type_name == "char") { |
| 1124 | if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy)) |
| 1125 | return GetType(ast.CharTy); |
| 1126 | } |
| 1127 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy)) |
| 1128 | return GetType(ast.UnsignedCharTy); |
| 1129 | if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy)) |
| 1130 | return GetType(ast.UnsignedShortTy); |
| 1131 | break; |
| 1132 | |
| 1133 | case DW_ATE_imaginary_float: |
| 1134 | break; |
| 1135 | |
| 1136 | case DW_ATE_UTF: |
| 1137 | switch (bit_size) { |
| 1138 | case 8: |
| 1139 | return GetType(ast.Char8Ty); |
| 1140 | case 16: |
| 1141 | return GetType(ast.Char16Ty); |
| 1142 | case 32: |
| 1143 | return GetType(ast.Char32Ty); |
| 1144 | default: |
| 1145 | if (!type_name.empty()) { |
| 1146 | if (type_name == "char16_t") |
| 1147 | return GetType(ast.Char16Ty); |
| 1148 | if (type_name == "char32_t") |
| 1149 | return GetType(ast.Char32Ty); |
| 1150 | if (type_name == "char8_t") |
| 1151 | return GetType(ast.Char8Ty); |
| 1152 | } |
| 1153 | } |
| 1154 | break; |
| 1155 | } |
| 1156 | // This assert should fire for anything that we don't catch above so we know |
| 1157 | // to fix any issues we run into. |
| 1158 | if (!type_name.empty()) { |
| 1159 | std::string type_name_str = type_name.str(); |
| 1160 | Host::SystemLog(Host::eSystemLogError, |
| 1161 | "error: need to add support for DW_TAG_base_type '%s' " |
| 1162 | "encoded with DW_ATE = 0x%x, bit_size = %u\n", |
| 1163 | type_name_str.c_str(), dw_ate, bit_size); |
| 1164 | } else { |
| 1165 | Host::SystemLog(Host::eSystemLogError, "error: need to add support for " |
| 1166 | "DW_TAG_base_type encoded with " |
| 1167 | "DW_ATE = 0x%x, bit_size = %u\n", |
| 1168 | dw_ate, bit_size); |
| 1169 | } |
| 1170 | return CompilerType(); |
| 1171 | } |
| 1172 | |
| 1173 | CompilerType TypeSystemClang::GetCStringType(bool is_const) { |
| 1174 | ASTContext &ast = getASTContext(); |
| 1175 | QualType char_type(ast.CharTy); |
| 1176 | |
| 1177 | if (is_const) |
| 1178 | char_type.addConst(); |
| 1179 | |
| 1180 | return GetType(ast.getPointerType(char_type)); |
| 1181 | } |
| 1182 | |
| 1183 | bool TypeSystemClang::AreTypesSame(CompilerType type1, CompilerType type2, |
| 1184 | bool ignore_qualifiers) { |
| 1185 | TypeSystemClang *ast = |
| 1186 | llvm::dyn_cast_or_null<TypeSystemClang>(type1.GetTypeSystem()); |
| 1187 | if (!ast || ast != type2.GetTypeSystem()) |
| 1188 | return false; |
| 1189 | |
| 1190 | if (type1.GetOpaqueQualType() == type2.GetOpaqueQualType()) |
| 1191 | return true; |
| 1192 | |
| 1193 | QualType type1_qual = ClangUtil::GetQualType(type1); |
| 1194 | QualType type2_qual = ClangUtil::GetQualType(type2); |
| 1195 | |
| 1196 | if (ignore_qualifiers) { |
| 1197 | type1_qual = type1_qual.getUnqualifiedType(); |
| 1198 | type2_qual = type2_qual.getUnqualifiedType(); |
| 1199 | } |
| 1200 | |
| 1201 | return ast->getASTContext().hasSameType(type1_qual, type2_qual); |
| 1202 | } |
| 1203 | |
| 1204 | CompilerType TypeSystemClang::GetTypeForDecl(void *opaque_decl) { |
| 1205 | if (!opaque_decl) |
| 1206 | return CompilerType(); |
| 1207 | |
| 1208 | clang::Decl *decl = static_cast<clang::Decl *>(opaque_decl); |
| 1209 | if (auto *named_decl = llvm::dyn_cast<clang::NamedDecl>(decl)) |
| 1210 | return GetTypeForDecl(named_decl); |
| 1211 | return CompilerType(); |
| 1212 | } |
| 1213 | |
| 1214 | CompilerDeclContext TypeSystemClang::CreateDeclContext(DeclContext *ctx) { |
| 1215 | // Check that the DeclContext actually belongs to this ASTContext. |
| 1216 | assert(&ctx->getParentASTContext() == &getASTContext())((void)0); |
| 1217 | return CompilerDeclContext(this, ctx); |
| 1218 | } |
| 1219 | |
| 1220 | CompilerType TypeSystemClang::GetTypeForDecl(clang::NamedDecl *decl) { |
| 1221 | if (clang::ObjCInterfaceDecl *interface_decl = |
| 1222 | llvm::dyn_cast<clang::ObjCInterfaceDecl>(decl)) |
| 1223 | return GetTypeForDecl(interface_decl); |
| 1224 | if (clang::TagDecl *tag_decl = llvm::dyn_cast<clang::TagDecl>(decl)) |
| 1225 | return GetTypeForDecl(tag_decl); |
| 1226 | return CompilerType(); |
| 1227 | } |
| 1228 | |
| 1229 | CompilerType TypeSystemClang::GetTypeForDecl(TagDecl *decl) { |
| 1230 | return GetType(getASTContext().getTagDeclType(decl)); |
| 1231 | } |
| 1232 | |
| 1233 | CompilerType TypeSystemClang::GetTypeForDecl(ObjCInterfaceDecl *decl) { |
| 1234 | return GetType(getASTContext().getObjCInterfaceType(decl)); |
| 1235 | } |
| 1236 | |
| 1237 | #pragma mark Structure, Unions, Classes |
| 1238 | |
| 1239 | void TypeSystemClang::SetOwningModule(clang::Decl *decl, |
| 1240 | OptionalClangModuleID owning_module) { |
| 1241 | if (!decl || !owning_module.HasValue()) |
| 1242 | return; |
| 1243 | |
| 1244 | decl->setFromASTFile(); |
| 1245 | decl->setOwningModuleID(owning_module.GetValue()); |
| 1246 | decl->setModuleOwnershipKind(clang::Decl::ModuleOwnershipKind::Visible); |
| 1247 | } |
| 1248 | |
| 1249 | OptionalClangModuleID |
| 1250 | TypeSystemClang::GetOrCreateClangModule(llvm::StringRef name, |
| 1251 | OptionalClangModuleID parent, |
| 1252 | bool is_framework, bool is_explicit) { |
| 1253 | // Get the external AST source which holds the modules. |
| 1254 | auto *ast_source = llvm::dyn_cast_or_null<ClangExternalASTSourceCallbacks>( |
| 1255 | getASTContext().getExternalSource()); |
| 1256 | assert(ast_source && "external ast source was lost")((void)0); |
| 1257 | if (!ast_source) |
| 1258 | return {}; |
| 1259 | |
| 1260 | // Lazily initialize the module map. |
| 1261 | if (!m_header_search_up) { |
| 1262 | auto HSOpts = std::make_shared<clang::HeaderSearchOptions>(); |
| 1263 | m_header_search_up = std::make_unique<clang::HeaderSearch>( |
| 1264 | HSOpts, *m_source_manager_up, *m_diagnostics_engine_up, |
| 1265 | *m_language_options_up, m_target_info_up.get()); |
| 1266 | m_module_map_up = std::make_unique<clang::ModuleMap>( |
| 1267 | *m_source_manager_up, *m_diagnostics_engine_up, *m_language_options_up, |
| 1268 | m_target_info_up.get(), *m_header_search_up); |
| 1269 | } |
| 1270 | |
| 1271 | // Get or create the module context. |
| 1272 | bool created; |
| 1273 | clang::Module *module; |
| 1274 | auto parent_desc = ast_source->getSourceDescriptor(parent.GetValue()); |
| 1275 | std::tie(module, created) = m_module_map_up->findOrCreateModule( |
| 1276 | name, parent_desc ? parent_desc->getModuleOrNull() : nullptr, |
| 1277 | is_framework, is_explicit); |
| 1278 | if (!created) |
| 1279 | return ast_source->GetIDForModule(module); |
| 1280 | |
| 1281 | return ast_source->RegisterModule(module); |
| 1282 | } |
| 1283 | |
| 1284 | CompilerType TypeSystemClang::CreateRecordType( |
| 1285 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 1286 | AccessType access_type, llvm::StringRef name, int kind, |
| 1287 | LanguageType language, ClangASTMetadata *metadata, bool exports_symbols) { |
| 1288 | ASTContext &ast = getASTContext(); |
| 1289 | |
| 1290 | if (decl_ctx == nullptr) |
| 1291 | decl_ctx = ast.getTranslationUnitDecl(); |
| 1292 | |
| 1293 | if (language == eLanguageTypeObjC || |
| 1294 | language == eLanguageTypeObjC_plus_plus) { |
| 1295 | bool isForwardDecl = true; |
| 1296 | bool isInternal = false; |
| 1297 | return CreateObjCClass(name, decl_ctx, owning_module, isForwardDecl, |
| 1298 | isInternal, metadata); |
| 1299 | } |
| 1300 | |
| 1301 | // NOTE: Eventually CXXRecordDecl will be merged back into RecordDecl and |
| 1302 | // we will need to update this code. I was told to currently always use the |
| 1303 | // CXXRecordDecl class since we often don't know from debug information if |
| 1304 | // something is struct or a class, so we default to always use the more |
| 1305 | // complete definition just in case. |
| 1306 | |
| 1307 | bool has_name = !name.empty(); |
| 1308 | CXXRecordDecl *decl = CXXRecordDecl::CreateDeserialized(ast, 0); |
| 1309 | decl->setTagKind(static_cast<TagDecl::TagKind>(kind)); |
| 1310 | decl->setDeclContext(decl_ctx); |
| 1311 | if (has_name) |
| 1312 | decl->setDeclName(&ast.Idents.get(name)); |
| 1313 | SetOwningModule(decl, owning_module); |
| 1314 | |
| 1315 | if (!has_name) { |
| 1316 | // In C++ a lambda is also represented as an unnamed class. This is |
| 1317 | // different from an *anonymous class* that the user wrote: |
| 1318 | // |
| 1319 | // struct A { |
| 1320 | // // anonymous class (GNU/MSVC extension) |
| 1321 | // struct { |
| 1322 | // int x; |
| 1323 | // }; |
| 1324 | // // unnamed class within a class |
| 1325 | // struct { |
| 1326 | // int y; |
| 1327 | // } B; |
| 1328 | // }; |
| 1329 | // |
| 1330 | // void f() { |
| 1331 | // // unammed class outside of a class |
| 1332 | // struct { |
| 1333 | // int z; |
| 1334 | // } C; |
| 1335 | // } |
| 1336 | // |
| 1337 | // Anonymous classes is a GNU/MSVC extension that clang supports. It |
| 1338 | // requires the anonymous class be embedded within a class. So the new |
| 1339 | // heuristic verifies this condition. |
| 1340 | if (isa<CXXRecordDecl>(decl_ctx) && exports_symbols) |
| 1341 | decl->setAnonymousStructOrUnion(true); |
| 1342 | } |
| 1343 | |
| 1344 | if (decl) { |
| 1345 | if (metadata) |
| 1346 | SetMetadata(decl, *metadata); |
| 1347 | |
| 1348 | if (access_type != eAccessNone) |
| 1349 | decl->setAccess(ConvertAccessTypeToAccessSpecifier(access_type)); |
| 1350 | |
| 1351 | if (decl_ctx) |
| 1352 | decl_ctx->addDecl(decl); |
| 1353 | |
| 1354 | return GetType(ast.getTagDeclType(decl)); |
| 1355 | } |
| 1356 | return CompilerType(); |
| 1357 | } |
| 1358 | |
| 1359 | namespace { |
| 1360 | /// Returns true iff the given TemplateArgument should be represented as an |
| 1361 | /// NonTypeTemplateParmDecl in the AST. |
| 1362 | bool IsValueParam(const clang::TemplateArgument &argument) { |
| 1363 | return argument.getKind() == TemplateArgument::Integral; |
| 1364 | } |
| 1365 | } |
| 1366 | |
| 1367 | static TemplateParameterList *CreateTemplateParameterList( |
| 1368 | ASTContext &ast, |
| 1369 | const TypeSystemClang::TemplateParameterInfos &template_param_infos, |
| 1370 | llvm::SmallVector<NamedDecl *, 8> &template_param_decls) { |
| 1371 | const bool parameter_pack = false; |
| 1372 | const bool is_typename = false; |
| 1373 | const unsigned depth = 0; |
| 1374 | const size_t num_template_params = template_param_infos.args.size(); |
| 1375 | DeclContext *const decl_context = |
| 1376 | ast.getTranslationUnitDecl(); // Is this the right decl context?, |
| 1377 | for (size_t i = 0; i < num_template_params; ++i) { |
| 1378 | const char *name = template_param_infos.names[i]; |
| 1379 | |
| 1380 | IdentifierInfo *identifier_info = nullptr; |
| 1381 | if (name && name[0]) |
| 1382 | identifier_info = &ast.Idents.get(name); |
| 1383 | if (IsValueParam(template_param_infos.args[i])) { |
| 1384 | QualType template_param_type = |
| 1385 | template_param_infos.args[i].getIntegralType(); |
| 1386 | template_param_decls.push_back(NonTypeTemplateParmDecl::Create( |
| 1387 | ast, decl_context, SourceLocation(), SourceLocation(), depth, i, |
| 1388 | identifier_info, template_param_type, parameter_pack, |
| 1389 | ast.getTrivialTypeSourceInfo(template_param_type))); |
| 1390 | } else { |
| 1391 | template_param_decls.push_back(TemplateTypeParmDecl::Create( |
| 1392 | ast, decl_context, SourceLocation(), SourceLocation(), depth, i, |
| 1393 | identifier_info, is_typename, parameter_pack)); |
| 1394 | } |
| 1395 | } |
| 1396 | |
| 1397 | if (template_param_infos.packed_args) { |
| 1398 | IdentifierInfo *identifier_info = nullptr; |
| 1399 | if (template_param_infos.pack_name && template_param_infos.pack_name[0]) |
| 1400 | identifier_info = &ast.Idents.get(template_param_infos.pack_name); |
| 1401 | const bool parameter_pack_true = true; |
| 1402 | |
| 1403 | if (!template_param_infos.packed_args->args.empty() && |
| 1404 | IsValueParam(template_param_infos.packed_args->args[0])) { |
| 1405 | QualType template_param_type = |
| 1406 | template_param_infos.packed_args->args[0].getIntegralType(); |
| 1407 | template_param_decls.push_back(NonTypeTemplateParmDecl::Create( |
| 1408 | ast, decl_context, SourceLocation(), SourceLocation(), depth, |
| 1409 | num_template_params, identifier_info, template_param_type, |
| 1410 | parameter_pack_true, |
| 1411 | ast.getTrivialTypeSourceInfo(template_param_type))); |
| 1412 | } else { |
| 1413 | template_param_decls.push_back(TemplateTypeParmDecl::Create( |
| 1414 | ast, decl_context, SourceLocation(), SourceLocation(), depth, |
| 1415 | num_template_params, identifier_info, is_typename, |
| 1416 | parameter_pack_true)); |
| 1417 | } |
| 1418 | } |
| 1419 | clang::Expr *const requires_clause = nullptr; // TODO: Concepts |
| 1420 | TemplateParameterList *template_param_list = TemplateParameterList::Create( |
| 1421 | ast, SourceLocation(), SourceLocation(), template_param_decls, |
| 1422 | SourceLocation(), requires_clause); |
| 1423 | return template_param_list; |
| 1424 | } |
| 1425 | |
| 1426 | clang::FunctionTemplateDecl *TypeSystemClang::CreateFunctionTemplateDecl( |
| 1427 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 1428 | clang::FunctionDecl *func_decl, |
| 1429 | const TemplateParameterInfos &template_param_infos) { |
| 1430 | // /// Create a function template node. |
| 1431 | ASTContext &ast = getASTContext(); |
| 1432 | |
| 1433 | llvm::SmallVector<NamedDecl *, 8> template_param_decls; |
| 1434 | TemplateParameterList *template_param_list = CreateTemplateParameterList( |
| 1435 | ast, template_param_infos, template_param_decls); |
| 1436 | FunctionTemplateDecl *func_tmpl_decl = |
| 1437 | FunctionTemplateDecl::CreateDeserialized(ast, 0); |
| 1438 | func_tmpl_decl->setDeclContext(decl_ctx); |
| 1439 | func_tmpl_decl->setLocation(func_decl->getLocation()); |
| 1440 | func_tmpl_decl->setDeclName(func_decl->getDeclName()); |
| 1441 | func_tmpl_decl->init(func_decl, template_param_list); |
| 1442 | SetOwningModule(func_tmpl_decl, owning_module); |
| 1443 | |
| 1444 | for (size_t i = 0, template_param_decl_count = template_param_decls.size(); |
| 1445 | i < template_param_decl_count; ++i) { |
| 1446 | // TODO: verify which decl context we should put template_param_decls into.. |
| 1447 | template_param_decls[i]->setDeclContext(func_decl); |
| 1448 | } |
| 1449 | // Function templates inside a record need to have an access specifier. |
| 1450 | // It doesn't matter what access specifier we give the template as LLDB |
| 1451 | // anyway allows accessing everything inside a record. |
| 1452 | if (decl_ctx->isRecord()) |
| 1453 | func_tmpl_decl->setAccess(clang::AccessSpecifier::AS_public); |
| 1454 | |
| 1455 | return func_tmpl_decl; |
| 1456 | } |
| 1457 | |
| 1458 | void TypeSystemClang::CreateFunctionTemplateSpecializationInfo( |
| 1459 | FunctionDecl *func_decl, clang::FunctionTemplateDecl *func_tmpl_decl, |
| 1460 | const TemplateParameterInfos &infos) { |
| 1461 | TemplateArgumentList *template_args_ptr = |
| 1462 | TemplateArgumentList::CreateCopy(func_decl->getASTContext(), infos.args); |
| 1463 | |
| 1464 | func_decl->setFunctionTemplateSpecialization(func_tmpl_decl, |
| 1465 | template_args_ptr, nullptr); |
| 1466 | } |
| 1467 | |
| 1468 | /// Returns true if the given template parameter can represent the given value. |
| 1469 | /// For example, `typename T` can represent `int` but not integral values such |
| 1470 | /// as `int I = 3`. |
| 1471 | static bool TemplateParameterAllowsValue(NamedDecl *param, |
| 1472 | const TemplateArgument &value) { |
| 1473 | if (auto *type_param = llvm::dyn_cast<TemplateTypeParmDecl>(param)) { |
| 1474 | // Compare the argument kind, i.e. ensure that <typename> != <int>. |
| 1475 | if (value.getKind() != TemplateArgument::Type) |
| 1476 | return false; |
| 1477 | } else if (auto *type_param = |
| 1478 | llvm::dyn_cast<NonTypeTemplateParmDecl>(param)) { |
| 1479 | // Compare the argument kind, i.e. ensure that <typename> != <int>. |
| 1480 | if (!IsValueParam(value)) |
| 1481 | return false; |
| 1482 | // Compare the integral type, i.e. ensure that <int> != <char>. |
| 1483 | if (type_param->getType() != value.getIntegralType()) |
| 1484 | return false; |
| 1485 | } else { |
| 1486 | // There is no way to create other parameter decls at the moment, so we |
| 1487 | // can't reach this case during normal LLDB usage. Log that this happened |
| 1488 | // and assert. |
| 1489 | Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS(1u << 8)); |
| 1490 | LLDB_LOG(log,do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Don't know how to compare template parameter to passed" " value. Decl kind of parameter is: {0}", param->getDeclKindName ()); } while (0) |
| 1491 | "Don't know how to compare template parameter to passed"do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Don't know how to compare template parameter to passed" " value. Decl kind of parameter is: {0}", param->getDeclKindName ()); } while (0) |
| 1492 | " value. Decl kind of parameter is: {0}",do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Don't know how to compare template parameter to passed" " value. Decl kind of parameter is: {0}", param->getDeclKindName ()); } while (0) |
| 1493 | param->getDeclKindName())do { ::lldb_private::Log *log_private = (log); if (log_private ) log_private->Format("/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , __func__, "Don't know how to compare template parameter to passed" " value. Decl kind of parameter is: {0}", param->getDeclKindName ()); } while (0); |
| 1494 | lldbassert(false && "Can't compare this TemplateParmDecl subclass")lldb_private::lldb_assert(static_cast<bool>(false && "Can't compare this TemplateParmDecl subclass"), "false && \"Can't compare this TemplateParmDecl subclass\"" , __FUNCTION__, "/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 1494); |
| 1495 | // In release builds just fall back to marking the parameter as not |
| 1496 | // accepting the value so that we don't try to fit an instantiation to a |
| 1497 | // template that doesn't fit. E.g., avoid that `S<1>` is being connected to |
| 1498 | // `template<typename T> struct S;`. |
| 1499 | return false; |
| 1500 | } |
| 1501 | return true; |
| 1502 | } |
| 1503 | |
| 1504 | /// Returns true if the given class template declaration could produce an |
| 1505 | /// instantiation with the specified values. |
| 1506 | /// For example, `<typename T>` allows the arguments `float`, but not for |
| 1507 | /// example `bool, float` or `3` (as an integer parameter value). |
| 1508 | static bool ClassTemplateAllowsToInstantiationArgs( |
| 1509 | ClassTemplateDecl *class_template_decl, |
| 1510 | const TypeSystemClang::TemplateParameterInfos &instantiation_values) { |
| 1511 | |
| 1512 | TemplateParameterList ¶ms = *class_template_decl->getTemplateParameters(); |
| 1513 | |
| 1514 | // Save some work by iterating only once over the found parameters and |
| 1515 | // calculate the information related to parameter packs. |
| 1516 | |
| 1517 | // Contains the first pack parameter (or non if there are none). |
| 1518 | llvm::Optional<NamedDecl *> pack_parameter; |
| 1519 | // Contains the number of non-pack parameters. |
| 1520 | size_t non_pack_params = params.size(); |
| 1521 | for (size_t i = 0; i < params.size(); ++i) { |
| 1522 | NamedDecl *param = params.getParam(i); |
| 1523 | if (param->isParameterPack()) { |
| 1524 | pack_parameter = param; |
| 1525 | non_pack_params = i; |
| 1526 | break; |
| 1527 | } |
| 1528 | } |
| 1529 | |
| 1530 | // The found template needs to have compatible non-pack template arguments. |
| 1531 | // E.g., ensure that <typename, typename> != <typename>. |
| 1532 | // The pack parameters are compared later. |
| 1533 | if (non_pack_params != instantiation_values.args.size()) |
| 1534 | return false; |
| 1535 | |
| 1536 | // Ensure that <typename...> != <typename>. |
| 1537 | if (pack_parameter.hasValue() != instantiation_values.hasParameterPack()) |
| 1538 | return false; |
| 1539 | |
| 1540 | // Compare the first pack parameter that was found with the first pack |
| 1541 | // parameter value. The special case of having an empty parameter pack value |
| 1542 | // always fits to a pack parameter. |
| 1543 | // E.g., ensure that <int...> != <typename...>. |
| 1544 | if (pack_parameter && !instantiation_values.packed_args->args.empty() && |
| 1545 | !TemplateParameterAllowsValue( |
| 1546 | *pack_parameter, instantiation_values.packed_args->args.front())) |
| 1547 | return false; |
| 1548 | |
| 1549 | // Compare all the non-pack parameters now. |
| 1550 | // E.g., ensure that <int> != <long>. |
| 1551 | for (const auto pair : llvm::zip_first(instantiation_values.args, params)) { |
| 1552 | const TemplateArgument &passed_arg = std::get<0>(pair); |
| 1553 | NamedDecl *found_param = std::get<1>(pair); |
| 1554 | if (!TemplateParameterAllowsValue(found_param, passed_arg)) |
| 1555 | return false; |
| 1556 | } |
| 1557 | |
| 1558 | return class_template_decl; |
| 1559 | } |
| 1560 | |
| 1561 | ClassTemplateDecl *TypeSystemClang::CreateClassTemplateDecl( |
| 1562 | DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 1563 | lldb::AccessType access_type, const char *class_name, int kind, |
| 1564 | const TemplateParameterInfos &template_param_infos) { |
| 1565 | ASTContext &ast = getASTContext(); |
| 1566 | |
| 1567 | ClassTemplateDecl *class_template_decl = nullptr; |
| 1568 | if (decl_ctx == nullptr) |
| 1569 | decl_ctx = ast.getTranslationUnitDecl(); |
| 1570 | |
| 1571 | IdentifierInfo &identifier_info = ast.Idents.get(class_name); |
| 1572 | DeclarationName decl_name(&identifier_info); |
| 1573 | |
| 1574 | // Search the AST for an existing ClassTemplateDecl that could be reused. |
| 1575 | clang::DeclContext::lookup_result result = decl_ctx->lookup(decl_name); |
| 1576 | for (NamedDecl *decl : result) { |
| 1577 | class_template_decl = dyn_cast<clang::ClassTemplateDecl>(decl); |
| 1578 | if (!class_template_decl) |
| 1579 | continue; |
| 1580 | // The class template has to be able to represents the instantiation |
| 1581 | // values we received. Without this we might end up putting an instantiation |
| 1582 | // with arguments such as <int, int> to a template such as: |
| 1583 | // template<typename T> struct S; |
| 1584 | // Connecting the instantiation to an incompatible template could cause |
| 1585 | // problems later on. |
| 1586 | if (!ClassTemplateAllowsToInstantiationArgs(class_template_decl, |
| 1587 | template_param_infos)) |
| 1588 | continue; |
| 1589 | return class_template_decl; |
| 1590 | } |
| 1591 | |
| 1592 | llvm::SmallVector<NamedDecl *, 8> template_param_decls; |
| 1593 | |
| 1594 | TemplateParameterList *template_param_list = CreateTemplateParameterList( |
| 1595 | ast, template_param_infos, template_param_decls); |
| 1596 | |
| 1597 | CXXRecordDecl *template_cxx_decl = CXXRecordDecl::CreateDeserialized(ast, 0); |
| 1598 | template_cxx_decl->setTagKind(static_cast<TagDecl::TagKind>(kind)); |
| 1599 | // What decl context do we use here? TU? The actual decl context? |
| 1600 | template_cxx_decl->setDeclContext(decl_ctx); |
| 1601 | template_cxx_decl->setDeclName(decl_name); |
| 1602 | SetOwningModule(template_cxx_decl, owning_module); |
| 1603 | |
| 1604 | for (size_t i = 0, template_param_decl_count = template_param_decls.size(); |
| 1605 | i < template_param_decl_count; ++i) { |
| 1606 | template_param_decls[i]->setDeclContext(template_cxx_decl); |
| 1607 | } |
| 1608 | |
| 1609 | // With templated classes, we say that a class is templated with |
| 1610 | // specializations, but that the bare class has no functions. |
| 1611 | // template_cxx_decl->startDefinition(); |
| 1612 | // template_cxx_decl->completeDefinition(); |
| 1613 | |
| 1614 | class_template_decl = ClassTemplateDecl::CreateDeserialized(ast, 0); |
| 1615 | // What decl context do we use here? TU? The actual decl context? |
| 1616 | class_template_decl->setDeclContext(decl_ctx); |
| 1617 | class_template_decl->setDeclName(decl_name); |
| 1618 | class_template_decl->init(template_cxx_decl, template_param_list); |
| 1619 | template_cxx_decl->setDescribedClassTemplate(class_template_decl); |
| 1620 | SetOwningModule(class_template_decl, owning_module); |
| 1621 | |
| 1622 | if (class_template_decl) { |
| 1623 | if (access_type != eAccessNone) |
| 1624 | class_template_decl->setAccess( |
| 1625 | ConvertAccessTypeToAccessSpecifier(access_type)); |
| 1626 | |
| 1627 | decl_ctx->addDecl(class_template_decl); |
| 1628 | |
| 1629 | VerifyDecl(class_template_decl); |
| 1630 | } |
| 1631 | |
| 1632 | return class_template_decl; |
| 1633 | } |
| 1634 | |
| 1635 | TemplateTemplateParmDecl * |
| 1636 | TypeSystemClang::CreateTemplateTemplateParmDecl(const char *template_name) { |
| 1637 | ASTContext &ast = getASTContext(); |
| 1638 | |
| 1639 | auto *decl_ctx = ast.getTranslationUnitDecl(); |
| 1640 | |
| 1641 | IdentifierInfo &identifier_info = ast.Idents.get(template_name); |
| 1642 | llvm::SmallVector<NamedDecl *, 8> template_param_decls; |
| 1643 | |
| 1644 | TypeSystemClang::TemplateParameterInfos template_param_infos; |
| 1645 | TemplateParameterList *template_param_list = CreateTemplateParameterList( |
| 1646 | ast, template_param_infos, template_param_decls); |
| 1647 | |
| 1648 | // LLDB needs to create those decls only to be able to display a |
| 1649 | // type that includes a template template argument. Only the name matters for |
| 1650 | // this purpose, so we use dummy values for the other characteristics of the |
| 1651 | // type. |
| 1652 | return TemplateTemplateParmDecl::Create( |
| 1653 | ast, decl_ctx, SourceLocation(), |
| 1654 | /*Depth*/ 0, /*Position*/ 0, |
| 1655 | /*IsParameterPack*/ false, &identifier_info, template_param_list); |
| 1656 | } |
| 1657 | |
| 1658 | ClassTemplateSpecializationDecl * |
| 1659 | TypeSystemClang::CreateClassTemplateSpecializationDecl( |
| 1660 | DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 1661 | ClassTemplateDecl *class_template_decl, int kind, |
| 1662 | const TemplateParameterInfos &template_param_infos) { |
| 1663 | ASTContext &ast = getASTContext(); |
| 1664 | llvm::SmallVector<clang::TemplateArgument, 2> args( |
| 1665 | template_param_infos.args.size() + |
| 1666 | (template_param_infos.packed_args ? 1 : 0)); |
| 1667 | std::copy(template_param_infos.args.begin(), template_param_infos.args.end(), |
| 1668 | args.begin()); |
| 1669 | if (template_param_infos.packed_args) { |
| 1670 | args[args.size() - 1] = TemplateArgument::CreatePackCopy( |
| 1671 | ast, template_param_infos.packed_args->args); |
| 1672 | } |
| 1673 | ClassTemplateSpecializationDecl *class_template_specialization_decl = |
| 1674 | ClassTemplateSpecializationDecl::CreateDeserialized(ast, 0); |
| 1675 | class_template_specialization_decl->setTagKind( |
| 1676 | static_cast<TagDecl::TagKind>(kind)); |
| 1677 | class_template_specialization_decl->setDeclContext(decl_ctx); |
| 1678 | class_template_specialization_decl->setInstantiationOf(class_template_decl); |
| 1679 | class_template_specialization_decl->setTemplateArgs( |
| 1680 | TemplateArgumentList::CreateCopy(ast, args)); |
| 1681 | ast.getTypeDeclType(class_template_specialization_decl, nullptr); |
| 1682 | class_template_specialization_decl->setDeclName( |
| 1683 | class_template_decl->getDeclName()); |
| 1684 | SetOwningModule(class_template_specialization_decl, owning_module); |
| 1685 | decl_ctx->addDecl(class_template_specialization_decl); |
| 1686 | |
| 1687 | class_template_specialization_decl->setSpecializationKind( |
| 1688 | TSK_ExplicitSpecialization); |
| 1689 | |
| 1690 | return class_template_specialization_decl; |
| 1691 | } |
| 1692 | |
| 1693 | CompilerType TypeSystemClang::CreateClassTemplateSpecializationType( |
| 1694 | ClassTemplateSpecializationDecl *class_template_specialization_decl) { |
| 1695 | if (class_template_specialization_decl) { |
| 1696 | ASTContext &ast = getASTContext(); |
| 1697 | return GetType(ast.getTagDeclType(class_template_specialization_decl)); |
| 1698 | } |
| 1699 | return CompilerType(); |
| 1700 | } |
| 1701 | |
| 1702 | static inline bool check_op_param(bool is_method, |
| 1703 | clang::OverloadedOperatorKind op_kind, |
| 1704 | bool unary, bool binary, |
| 1705 | uint32_t num_params) { |
| 1706 | // Special-case call since it can take any number of operands |
| 1707 | if (op_kind == OO_Call) |
| 1708 | return true; |
| 1709 | |
| 1710 | // The parameter count doesn't include "this" |
| 1711 | if (is_method) |
| 1712 | ++num_params; |
| 1713 | if (num_params == 1) |
| 1714 | return unary; |
| 1715 | if (num_params == 2) |
| 1716 | return binary; |
| 1717 | else |
| 1718 | return false; |
| 1719 | } |
| 1720 | |
| 1721 | bool TypeSystemClang::CheckOverloadedOperatorKindParameterCount( |
| 1722 | bool is_method, clang::OverloadedOperatorKind op_kind, |
| 1723 | uint32_t num_params) { |
| 1724 | switch (op_kind) { |
| 1725 | default: |
| 1726 | break; |
| 1727 | // C++ standard allows any number of arguments to new/delete |
| 1728 | case OO_New: |
| 1729 | case OO_Array_New: |
| 1730 | case OO_Delete: |
| 1731 | case OO_Array_Delete: |
| 1732 | return true; |
| 1733 | } |
| 1734 | |
| 1735 | #define OVERLOADED_OPERATOR(Name, Spelling, Token, Unary, Binary, MemberOnly) \ |
| 1736 | case OO_##Name: \ |
| 1737 | return check_op_param(is_method, op_kind, Unary, Binary, num_params); |
| 1738 | switch (op_kind) { |
| 1739 | #include "clang/Basic/OperatorKinds.def" |
| 1740 | default: |
| 1741 | break; |
| 1742 | } |
| 1743 | return false; |
| 1744 | } |
| 1745 | |
| 1746 | clang::AccessSpecifier |
| 1747 | TypeSystemClang::UnifyAccessSpecifiers(clang::AccessSpecifier lhs, |
| 1748 | clang::AccessSpecifier rhs) { |
| 1749 | // Make the access equal to the stricter of the field and the nested field's |
| 1750 | // access |
| 1751 | if (lhs == AS_none || rhs == AS_none) |
| 1752 | return AS_none; |
| 1753 | if (lhs == AS_private || rhs == AS_private) |
| 1754 | return AS_private; |
| 1755 | if (lhs == AS_protected || rhs == AS_protected) |
| 1756 | return AS_protected; |
| 1757 | return AS_public; |
| 1758 | } |
| 1759 | |
| 1760 | bool TypeSystemClang::FieldIsBitfield(FieldDecl *field, |
| 1761 | uint32_t &bitfield_bit_size) { |
| 1762 | ASTContext &ast = getASTContext(); |
| 1763 | if (field == nullptr) |
| 1764 | return false; |
| 1765 | |
| 1766 | if (field->isBitField()) { |
| 1767 | Expr *bit_width_expr = field->getBitWidth(); |
| 1768 | if (bit_width_expr) { |
| 1769 | if (Optional<llvm::APSInt> bit_width_apsint = |
| 1770 | bit_width_expr->getIntegerConstantExpr(ast)) { |
| 1771 | bitfield_bit_size = bit_width_apsint->getLimitedValue(UINT32_MAX0xffffffffU); |
| 1772 | return true; |
| 1773 | } |
| 1774 | } |
| 1775 | } |
| 1776 | return false; |
| 1777 | } |
| 1778 | |
| 1779 | bool TypeSystemClang::RecordHasFields(const RecordDecl *record_decl) { |
| 1780 | if (record_decl == nullptr) |
| 1781 | return false; |
| 1782 | |
| 1783 | if (!record_decl->field_empty()) |
| 1784 | return true; |
| 1785 | |
| 1786 | // No fields, lets check this is a CXX record and check the base classes |
| 1787 | const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); |
| 1788 | if (cxx_record_decl) { |
| 1789 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
| 1790 | for (base_class = cxx_record_decl->bases_begin(), |
| 1791 | base_class_end = cxx_record_decl->bases_end(); |
| 1792 | base_class != base_class_end; ++base_class) { |
| 1793 | const CXXRecordDecl *base_class_decl = cast<CXXRecordDecl>( |
| 1794 | base_class->getType()->getAs<RecordType>()->getDecl()); |
| 1795 | if (RecordHasFields(base_class_decl)) |
| 1796 | return true; |
| 1797 | } |
| 1798 | } |
| 1799 | return false; |
| 1800 | } |
| 1801 | |
| 1802 | #pragma mark Objective-C Classes |
| 1803 | |
| 1804 | CompilerType TypeSystemClang::CreateObjCClass( |
| 1805 | llvm::StringRef name, clang::DeclContext *decl_ctx, |
| 1806 | OptionalClangModuleID owning_module, bool isForwardDecl, bool isInternal, |
| 1807 | ClangASTMetadata *metadata) { |
| 1808 | ASTContext &ast = getASTContext(); |
| 1809 | assert(!name.empty())((void)0); |
| 1810 | if (!decl_ctx) |
| 1811 | decl_ctx = ast.getTranslationUnitDecl(); |
| 1812 | |
| 1813 | ObjCInterfaceDecl *decl = ObjCInterfaceDecl::CreateDeserialized(ast, 0); |
| 1814 | decl->setDeclContext(decl_ctx); |
| 1815 | decl->setDeclName(&ast.Idents.get(name)); |
| 1816 | /*isForwardDecl,*/ |
| 1817 | decl->setImplicit(isInternal); |
| 1818 | SetOwningModule(decl, owning_module); |
| 1819 | |
| 1820 | if (decl && metadata) |
| 1821 | SetMetadata(decl, *metadata); |
| 1822 | |
| 1823 | return GetType(ast.getObjCInterfaceType(decl)); |
| 1824 | } |
| 1825 | |
| 1826 | static inline bool BaseSpecifierIsEmpty(const CXXBaseSpecifier *b) { |
| 1827 | return !TypeSystemClang::RecordHasFields(b->getType()->getAsCXXRecordDecl()); |
| 1828 | } |
| 1829 | |
| 1830 | uint32_t |
| 1831 | TypeSystemClang::GetNumBaseClasses(const CXXRecordDecl *cxx_record_decl, |
| 1832 | bool omit_empty_base_classes) { |
| 1833 | uint32_t num_bases = 0; |
| 1834 | if (cxx_record_decl) { |
| 1835 | if (omit_empty_base_classes) { |
| 1836 | CXXRecordDecl::base_class_const_iterator base_class, base_class_end; |
| 1837 | for (base_class = cxx_record_decl->bases_begin(), |
| 1838 | base_class_end = cxx_record_decl->bases_end(); |
| 1839 | base_class != base_class_end; ++base_class) { |
| 1840 | // Skip empty base classes |
| 1841 | if (BaseSpecifierIsEmpty(base_class)) |
| 1842 | continue; |
| 1843 | ++num_bases; |
| 1844 | } |
| 1845 | } else |
| 1846 | num_bases = cxx_record_decl->getNumBases(); |
| 1847 | } |
| 1848 | return num_bases; |
| 1849 | } |
| 1850 | |
| 1851 | #pragma mark Namespace Declarations |
| 1852 | |
| 1853 | NamespaceDecl *TypeSystemClang::GetUniqueNamespaceDeclaration( |
| 1854 | const char *name, clang::DeclContext *decl_ctx, |
| 1855 | OptionalClangModuleID owning_module, bool is_inline) { |
| 1856 | NamespaceDecl *namespace_decl = nullptr; |
| 1857 | ASTContext &ast = getASTContext(); |
| 1858 | TranslationUnitDecl *translation_unit_decl = ast.getTranslationUnitDecl(); |
| 1859 | if (!decl_ctx) |
| 1860 | decl_ctx = translation_unit_decl; |
| 1861 | |
| 1862 | if (name) { |
| 1863 | IdentifierInfo &identifier_info = ast.Idents.get(name); |
| 1864 | DeclarationName decl_name(&identifier_info); |
| 1865 | clang::DeclContext::lookup_result result = decl_ctx->lookup(decl_name); |
| 1866 | for (NamedDecl *decl : result) { |
| 1867 | namespace_decl = dyn_cast<clang::NamespaceDecl>(decl); |
| 1868 | if (namespace_decl) |
| 1869 | return namespace_decl; |
| 1870 | } |
| 1871 | |
| 1872 | namespace_decl = |
| 1873 | NamespaceDecl::Create(ast, decl_ctx, is_inline, SourceLocation(), |
| 1874 | SourceLocation(), &identifier_info, nullptr); |
| 1875 | |
| 1876 | decl_ctx->addDecl(namespace_decl); |
| 1877 | } else { |
| 1878 | if (decl_ctx == translation_unit_decl) { |
| 1879 | namespace_decl = translation_unit_decl->getAnonymousNamespace(); |
| 1880 | if (namespace_decl) |
| 1881 | return namespace_decl; |
| 1882 | |
| 1883 | namespace_decl = |
| 1884 | NamespaceDecl::Create(ast, decl_ctx, false, SourceLocation(), |
| 1885 | SourceLocation(), nullptr, nullptr); |
| 1886 | translation_unit_decl->setAnonymousNamespace(namespace_decl); |
| 1887 | translation_unit_decl->addDecl(namespace_decl); |
| 1888 | assert(namespace_decl == translation_unit_decl->getAnonymousNamespace())((void)0); |
| 1889 | } else { |
| 1890 | NamespaceDecl *parent_namespace_decl = cast<NamespaceDecl>(decl_ctx); |
| 1891 | if (parent_namespace_decl) { |
| 1892 | namespace_decl = parent_namespace_decl->getAnonymousNamespace(); |
| 1893 | if (namespace_decl) |
| 1894 | return namespace_decl; |
| 1895 | namespace_decl = |
| 1896 | NamespaceDecl::Create(ast, decl_ctx, false, SourceLocation(), |
| 1897 | SourceLocation(), nullptr, nullptr); |
| 1898 | parent_namespace_decl->setAnonymousNamespace(namespace_decl); |
| 1899 | parent_namespace_decl->addDecl(namespace_decl); |
| 1900 | assert(namespace_decl ==((void)0) |
| 1901 | parent_namespace_decl->getAnonymousNamespace())((void)0); |
| 1902 | } else { |
| 1903 | assert(false && "GetUniqueNamespaceDeclaration called with no name and "((void)0) |
| 1904 | "no namespace as decl_ctx")((void)0); |
| 1905 | } |
| 1906 | } |
| 1907 | } |
| 1908 | // Note: namespaces can span multiple modules, so perhaps this isn't a good |
| 1909 | // idea. |
| 1910 | SetOwningModule(namespace_decl, owning_module); |
| 1911 | |
| 1912 | VerifyDecl(namespace_decl); |
| 1913 | return namespace_decl; |
| 1914 | } |
| 1915 | |
| 1916 | clang::BlockDecl * |
| 1917 | TypeSystemClang::CreateBlockDeclaration(clang::DeclContext *ctx, |
| 1918 | OptionalClangModuleID owning_module) { |
| 1919 | if (ctx) { |
| 1920 | clang::BlockDecl *decl = |
| 1921 | clang::BlockDecl::CreateDeserialized(getASTContext(), 0); |
| 1922 | decl->setDeclContext(ctx); |
| 1923 | ctx->addDecl(decl); |
| 1924 | SetOwningModule(decl, owning_module); |
| 1925 | return decl; |
| 1926 | } |
| 1927 | return nullptr; |
| 1928 | } |
| 1929 | |
| 1930 | clang::DeclContext *FindLCABetweenDecls(clang::DeclContext *left, |
| 1931 | clang::DeclContext *right, |
| 1932 | clang::DeclContext *root) { |
| 1933 | if (root == nullptr) |
| 1934 | return nullptr; |
| 1935 | |
| 1936 | std::set<clang::DeclContext *> path_left; |
| 1937 | for (clang::DeclContext *d = left; d != nullptr; d = d->getParent()) |
| 1938 | path_left.insert(d); |
| 1939 | |
| 1940 | for (clang::DeclContext *d = right; d != nullptr; d = d->getParent()) |
| 1941 | if (path_left.find(d) != path_left.end()) |
| 1942 | return d; |
| 1943 | |
| 1944 | return nullptr; |
| 1945 | } |
| 1946 | |
| 1947 | clang::UsingDirectiveDecl *TypeSystemClang::CreateUsingDirectiveDeclaration( |
| 1948 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 1949 | clang::NamespaceDecl *ns_decl) { |
| 1950 | if (decl_ctx && ns_decl) { |
| 1951 | auto *translation_unit = getASTContext().getTranslationUnitDecl(); |
| 1952 | clang::UsingDirectiveDecl *using_decl = clang::UsingDirectiveDecl::Create( |
| 1953 | getASTContext(), decl_ctx, clang::SourceLocation(), |
| 1954 | clang::SourceLocation(), clang::NestedNameSpecifierLoc(), |
| 1955 | clang::SourceLocation(), ns_decl, |
| 1956 | FindLCABetweenDecls(decl_ctx, ns_decl, |
| 1957 | translation_unit)); |
| 1958 | decl_ctx->addDecl(using_decl); |
| 1959 | SetOwningModule(using_decl, owning_module); |
| 1960 | return using_decl; |
| 1961 | } |
| 1962 | return nullptr; |
| 1963 | } |
| 1964 | |
| 1965 | clang::UsingDecl * |
| 1966 | TypeSystemClang::CreateUsingDeclaration(clang::DeclContext *current_decl_ctx, |
| 1967 | OptionalClangModuleID owning_module, |
| 1968 | clang::NamedDecl *target) { |
| 1969 | if (current_decl_ctx && target) { |
| 1970 | clang::UsingDecl *using_decl = clang::UsingDecl::Create( |
| 1971 | getASTContext(), current_decl_ctx, clang::SourceLocation(), |
| 1972 | clang::NestedNameSpecifierLoc(), clang::DeclarationNameInfo(), false); |
| 1973 | SetOwningModule(using_decl, owning_module); |
| 1974 | clang::UsingShadowDecl *shadow_decl = clang::UsingShadowDecl::Create( |
| 1975 | getASTContext(), current_decl_ctx, clang::SourceLocation(), |
| 1976 | target->getDeclName(), using_decl, target); |
| 1977 | SetOwningModule(shadow_decl, owning_module); |
| 1978 | using_decl->addShadowDecl(shadow_decl); |
| 1979 | current_decl_ctx->addDecl(using_decl); |
| 1980 | return using_decl; |
| 1981 | } |
| 1982 | return nullptr; |
| 1983 | } |
| 1984 | |
| 1985 | clang::VarDecl *TypeSystemClang::CreateVariableDeclaration( |
| 1986 | clang::DeclContext *decl_context, OptionalClangModuleID owning_module, |
| 1987 | const char *name, clang::QualType type) { |
| 1988 | if (decl_context) { |
| 1989 | clang::VarDecl *var_decl = |
| 1990 | clang::VarDecl::CreateDeserialized(getASTContext(), 0); |
| 1991 | var_decl->setDeclContext(decl_context); |
| 1992 | if (name && name[0]) |
| 1993 | var_decl->setDeclName(&getASTContext().Idents.getOwn(name)); |
| 1994 | var_decl->setType(type); |
| 1995 | SetOwningModule(var_decl, owning_module); |
| 1996 | var_decl->setAccess(clang::AS_public); |
| 1997 | decl_context->addDecl(var_decl); |
| 1998 | return var_decl; |
| 1999 | } |
| 2000 | return nullptr; |
| 2001 | } |
| 2002 | |
| 2003 | lldb::opaque_compiler_type_t |
| 2004 | TypeSystemClang::GetOpaqueCompilerType(clang::ASTContext *ast, |
| 2005 | lldb::BasicType basic_type) { |
| 2006 | switch (basic_type) { |
| 2007 | case eBasicTypeVoid: |
| 2008 | return ast->VoidTy.getAsOpaquePtr(); |
| 2009 | case eBasicTypeChar: |
| 2010 | return ast->CharTy.getAsOpaquePtr(); |
| 2011 | case eBasicTypeSignedChar: |
| 2012 | return ast->SignedCharTy.getAsOpaquePtr(); |
| 2013 | case eBasicTypeUnsignedChar: |
| 2014 | return ast->UnsignedCharTy.getAsOpaquePtr(); |
| 2015 | case eBasicTypeWChar: |
| 2016 | return ast->getWCharType().getAsOpaquePtr(); |
| 2017 | case eBasicTypeSignedWChar: |
| 2018 | return ast->getSignedWCharType().getAsOpaquePtr(); |
| 2019 | case eBasicTypeUnsignedWChar: |
| 2020 | return ast->getUnsignedWCharType().getAsOpaquePtr(); |
| 2021 | case eBasicTypeChar16: |
| 2022 | return ast->Char16Ty.getAsOpaquePtr(); |
| 2023 | case eBasicTypeChar32: |
| 2024 | return ast->Char32Ty.getAsOpaquePtr(); |
| 2025 | case eBasicTypeShort: |
| 2026 | return ast->ShortTy.getAsOpaquePtr(); |
| 2027 | case eBasicTypeUnsignedShort: |
| 2028 | return ast->UnsignedShortTy.getAsOpaquePtr(); |
| 2029 | case eBasicTypeInt: |
| 2030 | return ast->IntTy.getAsOpaquePtr(); |
| 2031 | case eBasicTypeUnsignedInt: |
| 2032 | return ast->UnsignedIntTy.getAsOpaquePtr(); |
| 2033 | case eBasicTypeLong: |
| 2034 | return ast->LongTy.getAsOpaquePtr(); |
| 2035 | case eBasicTypeUnsignedLong: |
| 2036 | return ast->UnsignedLongTy.getAsOpaquePtr(); |
| 2037 | case eBasicTypeLongLong: |
| 2038 | return ast->LongLongTy.getAsOpaquePtr(); |
| 2039 | case eBasicTypeUnsignedLongLong: |
| 2040 | return ast->UnsignedLongLongTy.getAsOpaquePtr(); |
| 2041 | case eBasicTypeInt128: |
| 2042 | return ast->Int128Ty.getAsOpaquePtr(); |
| 2043 | case eBasicTypeUnsignedInt128: |
| 2044 | return ast->UnsignedInt128Ty.getAsOpaquePtr(); |
| 2045 | case eBasicTypeBool: |
| 2046 | return ast->BoolTy.getAsOpaquePtr(); |
| 2047 | case eBasicTypeHalf: |
| 2048 | return ast->HalfTy.getAsOpaquePtr(); |
| 2049 | case eBasicTypeFloat: |
| 2050 | return ast->FloatTy.getAsOpaquePtr(); |
| 2051 | case eBasicTypeDouble: |
| 2052 | return ast->DoubleTy.getAsOpaquePtr(); |
| 2053 | case eBasicTypeLongDouble: |
| 2054 | return ast->LongDoubleTy.getAsOpaquePtr(); |
| 2055 | case eBasicTypeFloatComplex: |
| 2056 | return ast->FloatComplexTy.getAsOpaquePtr(); |
| 2057 | case eBasicTypeDoubleComplex: |
| 2058 | return ast->DoubleComplexTy.getAsOpaquePtr(); |
| 2059 | case eBasicTypeLongDoubleComplex: |
| 2060 | return ast->LongDoubleComplexTy.getAsOpaquePtr(); |
| 2061 | case eBasicTypeObjCID: |
| 2062 | return ast->getObjCIdType().getAsOpaquePtr(); |
| 2063 | case eBasicTypeObjCClass: |
| 2064 | return ast->getObjCClassType().getAsOpaquePtr(); |
| 2065 | case eBasicTypeObjCSel: |
| 2066 | return ast->getObjCSelType().getAsOpaquePtr(); |
| 2067 | case eBasicTypeNullPtr: |
| 2068 | return ast->NullPtrTy.getAsOpaquePtr(); |
| 2069 | default: |
| 2070 | return nullptr; |
| 2071 | } |
| 2072 | } |
| 2073 | |
| 2074 | #pragma mark Function Types |
| 2075 | |
| 2076 | clang::DeclarationName |
| 2077 | TypeSystemClang::GetDeclarationName(llvm::StringRef name, |
| 2078 | const CompilerType &function_clang_type) { |
| 2079 | clang::OverloadedOperatorKind op_kind = clang::NUM_OVERLOADED_OPERATORS; |
| 2080 | if (!IsOperator(name, op_kind) || op_kind == clang::NUM_OVERLOADED_OPERATORS) |
| 2081 | return DeclarationName(&getASTContext().Idents.get( |
| 2082 | name)); // Not operator, but a regular function. |
| 2083 | |
| 2084 | // Check the number of operator parameters. Sometimes we have seen bad DWARF |
| 2085 | // that doesn't correctly describe operators and if we try to create a method |
| 2086 | // and add it to the class, clang will assert and crash, so we need to make |
| 2087 | // sure things are acceptable. |
| 2088 | clang::QualType method_qual_type(ClangUtil::GetQualType(function_clang_type)); |
| 2089 | const clang::FunctionProtoType *function_type = |
| 2090 | llvm::dyn_cast<clang::FunctionProtoType>(method_qual_type.getTypePtr()); |
| 2091 | if (function_type == nullptr) |
| 2092 | return clang::DeclarationName(); |
| 2093 | |
| 2094 | const bool is_method = false; |
| 2095 | const unsigned int num_params = function_type->getNumParams(); |
| 2096 | if (!TypeSystemClang::CheckOverloadedOperatorKindParameterCount( |
| 2097 | is_method, op_kind, num_params)) |
| 2098 | return clang::DeclarationName(); |
| 2099 | |
| 2100 | return getASTContext().DeclarationNames.getCXXOperatorName(op_kind); |
| 2101 | } |
| 2102 | |
| 2103 | PrintingPolicy TypeSystemClang::GetTypePrintingPolicy() { |
| 2104 | clang::PrintingPolicy printing_policy(getASTContext().getPrintingPolicy()); |
| 2105 | printing_policy.SuppressTagKeyword = true; |
| 2106 | // Inline namespaces are important for some type formatters (e.g., libc++ |
| 2107 | // and libstdc++ are differentiated by their inline namespaces). |
| 2108 | printing_policy.SuppressInlineNamespace = false; |
| 2109 | printing_policy.SuppressUnwrittenScope = false; |
| 2110 | // Default arguments are also always important for type formatters. Otherwise |
| 2111 | // we would need to always specify two type names for the setups where we do |
| 2112 | // know the default arguments and where we don't know default arguments. |
| 2113 | // |
| 2114 | // For example, without this we would need to have formatters for both: |
| 2115 | // std::basic_string<char> |
| 2116 | // and |
| 2117 | // std::basic_string<char, std::char_traits<char>, std::allocator<char> > |
| 2118 | // to support setups where LLDB was able to reconstruct default arguments |
| 2119 | // (and we then would have suppressed them from the type name) and also setups |
| 2120 | // where LLDB wasn't able to reconstruct the default arguments. |
| 2121 | printing_policy.SuppressDefaultTemplateArgs = false; |
| 2122 | return printing_policy; |
| 2123 | } |
| 2124 | |
| 2125 | std::string TypeSystemClang::GetTypeNameForDecl(const NamedDecl *named_decl) { |
| 2126 | clang::PrintingPolicy printing_policy = GetTypePrintingPolicy(); |
| 2127 | std::string result; |
| 2128 | llvm::raw_string_ostream os(result); |
| 2129 | named_decl->printQualifiedName(os, printing_policy); |
| 2130 | return result; |
| 2131 | } |
| 2132 | |
| 2133 | FunctionDecl *TypeSystemClang::CreateFunctionDeclaration( |
| 2134 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 2135 | llvm::StringRef name, const CompilerType &function_clang_type, |
| 2136 | clang::StorageClass storage, bool is_inline) { |
| 2137 | FunctionDecl *func_decl = nullptr; |
| 2138 | ASTContext &ast = getASTContext(); |
| 2139 | if (!decl_ctx) |
| 2140 | decl_ctx = ast.getTranslationUnitDecl(); |
| 2141 | |
| 2142 | const bool hasWrittenPrototype = true; |
| 2143 | const bool isConstexprSpecified = false; |
| 2144 | |
| 2145 | clang::DeclarationName declarationName = |
| 2146 | GetDeclarationName(name, function_clang_type); |
| 2147 | func_decl = FunctionDecl::CreateDeserialized(ast, 0); |
| 2148 | func_decl->setDeclContext(decl_ctx); |
| 2149 | func_decl->setDeclName(declarationName); |
| 2150 | func_decl->setType(ClangUtil::GetQualType(function_clang_type)); |
| 2151 | func_decl->setStorageClass(storage); |
| 2152 | func_decl->setInlineSpecified(is_inline); |
| 2153 | func_decl->setHasWrittenPrototype(hasWrittenPrototype); |
| 2154 | func_decl->setConstexprKind(isConstexprSpecified |
| 2155 | ? ConstexprSpecKind::Constexpr |
| 2156 | : ConstexprSpecKind::Unspecified); |
| 2157 | SetOwningModule(func_decl, owning_module); |
| 2158 | if (func_decl) |
| 2159 | decl_ctx->addDecl(func_decl); |
| 2160 | |
| 2161 | VerifyDecl(func_decl); |
| 2162 | |
| 2163 | return func_decl; |
| 2164 | } |
| 2165 | |
| 2166 | CompilerType |
| 2167 | TypeSystemClang::CreateFunctionType(const CompilerType &result_type, |
| 2168 | const CompilerType *args, unsigned num_args, |
| 2169 | bool is_variadic, unsigned type_quals, |
| 2170 | clang::CallingConv cc) { |
| 2171 | if (!result_type || !ClangUtil::IsClangType(result_type)) |
| 2172 | return CompilerType(); // invalid return type |
| 2173 | |
| 2174 | std::vector<QualType> qual_type_args; |
| 2175 | if (num_args > 0 && args == nullptr) |
| 2176 | return CompilerType(); // invalid argument array passed in |
| 2177 | |
| 2178 | // Verify that all arguments are valid and the right type |
| 2179 | for (unsigned i = 0; i < num_args; ++i) { |
| 2180 | if (args[i]) { |
| 2181 | // Make sure we have a clang type in args[i] and not a type from another |
| 2182 | // language whose name might match |
| 2183 | const bool is_clang_type = ClangUtil::IsClangType(args[i]); |
| 2184 | lldbassert(is_clang_type)lldb_private::lldb_assert(static_cast<bool>(is_clang_type ), "is_clang_type", __FUNCTION__, "/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 2184); |
| 2185 | if (is_clang_type) |
| 2186 | qual_type_args.push_back(ClangUtil::GetQualType(args[i])); |
| 2187 | else |
| 2188 | return CompilerType(); // invalid argument type (must be a clang type) |
| 2189 | } else |
| 2190 | return CompilerType(); // invalid argument type (empty) |
| 2191 | } |
| 2192 | |
| 2193 | // TODO: Detect calling convention in DWARF? |
| 2194 | FunctionProtoType::ExtProtoInfo proto_info; |
| 2195 | proto_info.ExtInfo = cc; |
| 2196 | proto_info.Variadic = is_variadic; |
| 2197 | proto_info.ExceptionSpec = EST_None; |
| 2198 | proto_info.TypeQuals = clang::Qualifiers::fromFastMask(type_quals); |
| 2199 | proto_info.RefQualifier = RQ_None; |
| 2200 | |
| 2201 | return GetType(getASTContext().getFunctionType( |
| 2202 | ClangUtil::GetQualType(result_type), qual_type_args, proto_info)); |
| 2203 | } |
| 2204 | |
| 2205 | ParmVarDecl *TypeSystemClang::CreateParameterDeclaration( |
| 2206 | clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, |
| 2207 | const char *name, const CompilerType ¶m_type, int storage, |
| 2208 | bool add_decl) { |
| 2209 | ASTContext &ast = getASTContext(); |
| 2210 | auto *decl = ParmVarDecl::CreateDeserialized(ast, 0); |
| 2211 | decl->setDeclContext(decl_ctx); |
| 2212 | if (name && name[0]) |
| 2213 | decl->setDeclName(&ast.Idents.get(name)); |
| 2214 | decl->setType(ClangUtil::GetQualType(param_type)); |
| 2215 | decl->setStorageClass(static_cast<clang::StorageClass>(storage)); |
| 2216 | SetOwningModule(decl, owning_module); |
| 2217 | if (add_decl) |
| 2218 | decl_ctx->addDecl(decl); |
| 2219 | |
| 2220 | return decl; |
| 2221 | } |
| 2222 | |
| 2223 | void TypeSystemClang::SetFunctionParameters( |
| 2224 | FunctionDecl *function_decl, llvm::ArrayRef<ParmVarDecl *> params) { |
| 2225 | if (function_decl) |
| 2226 | function_decl->setParams(params); |
| 2227 | } |
| 2228 | |
| 2229 | CompilerType |
| 2230 | TypeSystemClang::CreateBlockPointerType(const CompilerType &function_type) { |
| 2231 | QualType block_type = m_ast_up->getBlockPointerType( |
| 2232 | clang::QualType::getFromOpaquePtr(function_type.GetOpaqueQualType())); |
| 2233 | |
| 2234 | return GetType(block_type); |
| 2235 | } |
| 2236 | |
| 2237 | #pragma mark Array Types |
| 2238 | |
| 2239 | CompilerType TypeSystemClang::CreateArrayType(const CompilerType &element_type, |
| 2240 | size_t element_count, |
| 2241 | bool is_vector) { |
| 2242 | if (element_type.IsValid()) { |
| 2243 | ASTContext &ast = getASTContext(); |
| 2244 | |
| 2245 | if (is_vector) { |
| 2246 | return GetType(ast.getExtVectorType(ClangUtil::GetQualType(element_type), |
| 2247 | element_count)); |
| 2248 | } else { |
| 2249 | |
| 2250 | llvm::APInt ap_element_count(64, element_count); |
| 2251 | if (element_count == 0) { |
| 2252 | return GetType(ast.getIncompleteArrayType( |
| 2253 | ClangUtil::GetQualType(element_type), clang::ArrayType::Normal, 0)); |
| 2254 | } else { |
| 2255 | return GetType(ast.getConstantArrayType( |
| 2256 | ClangUtil::GetQualType(element_type), ap_element_count, nullptr, |
| 2257 | clang::ArrayType::Normal, 0)); |
| 2258 | } |
| 2259 | } |
| 2260 | } |
| 2261 | return CompilerType(); |
| 2262 | } |
| 2263 | |
| 2264 | CompilerType TypeSystemClang::CreateStructForIdentifier( |
| 2265 | ConstString type_name, |
| 2266 | const std::initializer_list<std::pair<const char *, CompilerType>> |
| 2267 | &type_fields, |
| 2268 | bool packed) { |
| 2269 | CompilerType type; |
| 2270 | if (!type_name.IsEmpty() && |
| 2271 | (type = GetTypeForIdentifier<clang::CXXRecordDecl>(type_name)) |
| 2272 | .IsValid()) { |
| 2273 | lldbassert(0 && "Trying to create a type for an existing name")lldb_private::lldb_assert(static_cast<bool>(0 && "Trying to create a type for an existing name"), "0 && \"Trying to create a type for an existing name\"" , __FUNCTION__, "/usr/src/gnu/usr.bin/clang/liblldbPluginTypeSystem/../../../llvm/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp" , 2273); |
| 2274 | return type; |
| 2275 | } |
| 2276 | |
| 2277 | type = CreateRecordType(nullptr, OptionalClangModuleID(), lldb::eAccessPublic, |
| 2278 | type_name.GetCString(), clang::TTK_Struct, |
| 2279 | lldb::eLanguageTypeC); |
| 2280 | StartTagDeclarationDefinition(type); |
| 2281 | for (const auto &field : type_fields) |
| 2282 | AddFieldToRecordType(type, field.first, field.second, lldb::eAccessPublic, |
| 2283 | 0); |
| 2284 | if (packed) |
| 2285 | SetIsPacked(type); |
| 2286 | CompleteTagDeclarationDefinition(type); |
| 2287 | return type; |
| 2288 | } |
| 2289 | |
| 2290 | CompilerType TypeSystemClang::GetOrCreateStructForIdentifier( |
| 2291 | ConstString type_name, |
| 2292 | const std::initializer_list<std::pair<const char *, CompilerType>> |
| 2293 | &type_fields, |
| 2294 | bool packed) { |
| 2295 | CompilerType type; |
| 2296 | if ((type = GetTypeForIdentifier<clang::CXXRecordDecl>(type_name)).IsValid()) |
| 2297 | return type; |
| 2298 | |
| 2299 | return CreateStructForIdentifier(type_name, type_fields, packed); |
| 2300 | } |
| 2301 | |
| 2302 | #pragma mark Enumeration Types |
| 2303 | |
| 2304 | CompilerType TypeSystemClang::CreateEnumerationType( |
| 2305 | const char *name, clang::DeclContext *decl_ctx, |
| 2306 | OptionalClangModuleID owning_module, const Declaration &decl, |
| 2307 | const CompilerType &integer_clang_type, bool is_scoped) { |
| 2308 | // TODO: Do something intelligent with the Declaration object passed in |
| 2309 | // like maybe filling in the SourceLocation with it... |
| 2310 | ASTContext &ast = getASTContext(); |
| 2311 | |
| 2312 | // TODO: ask about these... |
| 2313 | // const bool IsFixed = false; |
| 2314 | EnumDecl *enum_decl = EnumDecl::CreateDeserialized(ast, 0); |
| 2315 | enum_decl->setDeclContext(decl_ctx); |
| 2316 | if (name && name[0]) |
| 2317 | enum_decl->setDeclName(&ast.Idents.get(name)); |
| 2318 | enum_decl->setScoped(is_scoped); |
| 2319 | enum_decl->setScopedUsingClassTag(is_scoped); |
| 2320 | enum_decl->setFixed(false); |
| 2321 | SetOwningModule(enum_decl, owning_module); |
| 2322 | if (enum_decl) { |
| 2323 | if (decl_ctx) |
| 2324 | decl_ctx->addDecl(enum_decl); |
| 2325 | |
| 2326 | // TODO: check if we should be setting the promotion type too? |
| 2327 | enum_decl->setIntegerType(ClangUtil::GetQualType(integer_clang_type)); |
| 2328 | |
| 2329 | enum_decl->setAccess(AS_public); // TODO respect what's in the debug info |
| 2330 | |
| 2331 | return GetType(ast.getTagDeclType(enum_decl)); |
| 2332 | } |
| 2333 | return CompilerType(); |
| 2334 | } |
| 2335 | |
| 2336 | CompilerType TypeSystemClang::GetIntTypeFromBitSize(size_t bit_size, |
| 2337 | bool is_signed) { |
| 2338 | clang::ASTContext &ast = getASTContext(); |
| 2339 | |
| 2340 | if (is_signed) { |
| 2341 | if (bit_size == ast.getTypeSize(ast.SignedCharTy)) |
| 2342 | return GetType(ast.SignedCharTy); |
| 2343 | |
| 2344 | if (bit_size == ast.getTypeSize(ast.ShortTy)) |
| 2345 | return GetType(ast.ShortTy); |
| 2346 | |
| 2347 | if (bit_size == ast.getTypeSize(ast.IntTy)) |
| 2348 | return GetType(ast.IntTy); |
| 2349 | |
| 2350 | if (bit_size == ast.getTypeSize(ast.LongTy)) |
| 2351 | return GetType(ast.LongTy); |
| 2352 | |
| 2353 | if (bit_size == ast.getTypeSize(ast.LongLongTy)) |
| 2354 | return GetType(ast.LongLongTy); |
| 2355 | |
| 2356 | if (bit_size == ast.getTypeSize(ast.Int128Ty)) |
| 2357 | return GetType(ast.Int128Ty); |
| 2358 | } else { |
| 2359 | if (bit_size == ast.getTypeSize(ast.UnsignedCharTy)) |
| 2360 | return GetType(ast.UnsignedCharTy); |
| 2361 | |
| 2362 | if (bit_size == ast.getTypeSize(ast.UnsignedShortTy)) |
| 2363 | return GetType(ast.UnsignedShortTy); |
| 2364 | |
| 2365 | if (bit_size == ast.getTypeSize(ast.UnsignedIntTy)) |
| 2366 | return GetType(ast.UnsignedIntTy); |
| 2367 | |
| 2368 | if (bit_size == ast.getTypeSize(ast.UnsignedLongTy)) |
| 2369 | return GetType(ast.UnsignedLongTy); |
| 2370 | |
| 2371 | if (bit_size == ast.getTypeSize(ast.UnsignedLongLongTy)) |
| 2372 | return GetType(ast.UnsignedLongLongTy); |
| 2373 | |
| 2374 | if (bit_size == ast.getTypeSize(ast.UnsignedInt128Ty)) |
| 2375 | return GetType(ast.UnsignedInt128Ty); |
| 2376 | } |
| 2377 | return CompilerType(); |
| 2378 | } |
| 2379 | |
| 2380 | CompilerType TypeSystemClang::GetPointerSizedIntType(bool is_signed) { |
| 2381 | return GetIntTypeFromBitSize( |
| 2382 | getASTContext().getTypeSize(getASTContext().VoidPtrTy), is_signed); |
| 2383 | } |
| 2384 | |
| 2385 | void TypeSystemClang::DumpDeclContextHiearchy(clang::DeclContext *decl_ctx) { |
| 2386 | if (decl_ctx) { |
| 2387 | DumpDeclContextHiearchy(decl_ctx->getParent()); |
| 2388 | |
| 2389 | clang::NamedDecl *named_decl = llvm::dyn_cast<clang::NamedDecl>(decl_ctx); |
| 2390 | if (named_decl) { |
| 2391 | printf("%20s: %s\n", decl_ctx->getDeclKindName(), |
| 2392 | named_decl->getDeclName().getAsString().c_str()); |
| 2393 | } else { |
| 2394 | printf("%20s\n", decl_ctx->getDeclKindName()); |
| 2395 | } |
| 2396 | } |
| 2397 | } |
| 2398 | |
| 2399 | void TypeSystemClang::DumpDeclHiearchy(clang::Decl *decl) { |
| 2400 | if (decl == nullptr) |
| 2401 | return; |
| 2402 | DumpDeclContextHiearchy(decl->getDeclContext()); |
| 2403 | |
| 2404 | clang::RecordDecl *record_decl = llvm::dyn_cast<clang::RecordDecl>(decl); |
| 2405 | if (record_decl) { |
| 2406 | printf("%20s: %s%s\n", decl->getDeclKindName(), |
| 2407 | record_decl->getDeclName().getAsString().c_str(), |
| 2408 | record_decl->isInjectedClassName() ? " (injected class name)" : ""); |
| 2409 | |
| 2410 | } else { |
| 2411 | clang::NamedDecl *named_decl = llvm::dyn_cast<clang::NamedDecl>(decl); |
| 2412 | if (named_decl) { |
| 2413 | printf("%20s: %s\n", decl->getDeclKindName(), |
| 2414 | named_decl->getDeclName().getAsString().c_str()); |
| 2415 | } else { |
| 2416 | printf("%20s\n", decl->getDeclKindName()); |
| 2417 | } |
| 2418 | } |
| 2419 | } |
| 2420 | |
| 2421 | bool TypeSystemClang::DeclsAreEquivalent(clang::Decl *lhs_decl, |
| 2422 | clang::Decl *rhs_decl) { |
| 2423 | if (lhs_decl && rhs_decl) { |
| 2424 | // Make sure the decl kinds match first |
| 2425 | const clang::Decl::Kind lhs_decl_kind = lhs_decl->getKind(); |
| 2426 | const clang::Decl::Kind rhs_decl_kind = rhs_decl->getKind(); |
| 2427 | |
| 2428 | if (lhs_decl_kind == rhs_decl_kind) { |
| 2429 | // Now check that the decl contexts kinds are all equivalent before we |
| 2430 | // have to check any names of the decl contexts... |
| 2431 | clang::DeclContext *lhs_decl_ctx = lhs_decl->getDeclContext(); |
| 2432 | clang::DeclContext *rhs_decl_ctx = rhs_decl->getDeclContext(); |
| 2433 | if (lhs_decl_ctx && rhs_decl_ctx) { |
| 2434 | while (true) { |
| 2435 | if (lhs_decl_ctx && rhs_decl_ctx) { |
| 2436 | const clang::Decl::Kind lhs_decl_ctx_kind = |
| 2437 | lhs_decl_ctx->getDeclKind(); |
| 2438 | const clang::Decl::Kind rhs_decl_ctx_kind = |
| 2439 | rhs_decl_ctx->getDeclKind(); |
| 2440 | if (lhs_decl_ctx_kind == rhs_decl_ctx_kind) { |
| 2441 | lhs_decl_ctx = lhs_decl_ctx->getParent(); |
| 2442 | rhs_decl_ctx = rhs_decl_ctx->getParent(); |
| 2443 | |
| 2444 | if (lhs_decl_ctx == nullptr && rhs_decl_ctx == nullptr) |
| 2445 | break; |
| 2446 | } else |
| 2447 | return false; |
| 2448 | } else |
| 2449 | return false; |
| 2450 | } |
| 2451 | |
| 2452 | // Now make sure the name of the decls match |
| 2453 | clang::NamedDecl *lhs_named_decl = |
| 2454 | llvm::dyn_cast<clang::NamedDecl>(lhs_decl); |
| 2455 | clang::NamedDecl *rhs_named_decl = |
| 2456 | llvm::dyn_cast<clang::NamedDecl>(rhs_decl); |
| 2457 | if (lhs_named_decl && rhs_named_decl) { |
| 2458 | clang::DeclarationName lhs_decl_name = lhs_named_decl->getDeclName(); |
| 2459 | clang::DeclarationName rhs_decl_name = rhs_named_decl->getDeclName(); |
| 2460 | if (lhs_decl_name.getNameKind() == rhs_decl_name.getNameKind()) { |
| 2461 | if (lhs_decl_name.getAsString() != rhs_decl_name.getAsString()) |
| 2462 | return false; |
| 2463 | } else |
| 2464 | return false; |
| 2465 | } else |
| 2466 | return false; |
| 2467 | |
| 2468 | // We know that the decl context kinds all match, so now we need to |
| 2469 | // make sure the names match as well |
| 2470 | lhs_decl_ctx = lhs_decl->getDeclContext(); |
| 2471 | rhs_decl_ctx = rhs_decl->getDeclContext(); |
| 2472 | while (true) { |
| 2473 | switch (lhs_decl_ctx->getDeclKind()) { |
| 2474 | case clang::Decl::TranslationUnit: |
| 2475 | // We don't care about the translation unit names |
| 2476 | return true; |
| 2477 | default: { |
| 2478 | clang::NamedDecl *lhs_named_decl = |
| 2479 | llvm::dyn_cast<clang::NamedDecl>(lhs_decl_ctx); |
| 2480 | clang::NamedDecl *rhs_named_decl = |
| 2481 | llvm::dyn_cast<clang::NamedDecl>(rhs_decl_ctx); |
| 2482 | if (lhs_named_decl && rhs_named_decl) { |
| 2483 | clang::DeclarationName lhs_decl_name = |
| 2484 | lhs_named_decl->getDeclName(); |
| 2485 | clang::DeclarationName rhs_decl_name = |
| 2486 | rhs_named_decl->getDeclName(); |
| 2487 | if (lhs_decl_name.getNameKind() == rhs_decl_name.getNameKind()) { |
| 2488 | if (lhs_decl_name.getAsString() != rhs_decl_name.getAsString()) |
| 2489 | return false; |
| 2490 | } else |
| 2491 | return false; |
| 2492 | } else |
| 2493 | return false; |
| 2494 | } break; |
| 2495 | } |
| 2496 | lhs_decl_ctx = lhs_decl_ctx->getParent(); |
| 2497 | rhs_decl_ctx = rhs_decl_ctx->getParent(); |
| 2498 | } |
| 2499 | } |
| 2500 | } |
| 2501 | } |
| 2502 | return false; |
| 2503 | } |
| 2504 | bool TypeSystemClang::GetCompleteDecl(clang::ASTContext *ast, |
| 2505 | clang::Decl *decl) { |
| 2506 | if (!decl) |
| 2507 | return false; |
| 2508 | |
| 2509 | ExternalASTSource *ast_source = ast->getExternalSource(); |
| 2510 | |
| 2511 | if (!ast_source) |
| 2512 | return false; |
| 2513 | |
| 2514 | if (clang::TagDecl *tag_decl = llvm::dyn_cast<clang::TagDecl>(decl)) { |
| 2515 | if (tag_decl->isCompleteDefinition()) |
| 2516 | return true; |
| 2517 | |
| 2518 | if (!tag_decl->hasExternalLexicalStorage()) |
| 2519 | return false; |
| 2520 | |
| 2521 | ast_source->CompleteType(tag_decl); |
| 2522 | |
| 2523 | return !tag_decl->getTypeForDecl()->isIncompleteType(); |
| 2524 | } else if (clang::ObjCInterfaceDecl *objc_interface_decl = |
| 2525 | llvm::dyn_cast<clang::ObjCInterfaceDecl>(decl)) { |
| 2526 | if (objc_interface_decl->getDefinition()) |
| 2527 | return true; |
| 2528 | |
| 2529 | if (!objc_interface_decl->hasExternalLexicalStorage()) |
| 2530 | return false; |
| 2531 | |
| 2532 | ast_source->CompleteType(objc_interface_decl); |
| 2533 | |
| 2534 | return !objc_interface_decl->getTypeForDecl()->isIncompleteType(); |
| 2535 | } else { |
| 2536 | return false; |
| 2537 | } |
| 2538 | } |
| 2539 | |
| 2540 | void TypeSystemClang::SetMetadataAsUserID(const clang::Decl *decl, |
| 2541 | user_id_t user_id) { |
| 2542 | ClangASTMetadata meta_data; |
| 2543 | meta_data.SetUserID(user_id); |
| 2544 | SetMetadata(decl, meta_data); |
| 2545 | } |
| 2546 | |
| 2547 | void TypeSystemClang::SetMetadataAsUserID(const clang::Type *type, |
| 2548 | user_id_t user_id) { |
| 2549 | ClangASTMetadata meta_data; |
| 2550 | meta_data.SetUserID(user_id); |
| 2551 | SetMetadata(type, meta_data); |
| 2552 | } |
| 2553 | |
| 2554 | void TypeSystemClang::SetMetadata(const clang::Decl *object, |
| 2555 | ClangASTMetadata &metadata) { |
| 2556 | m_decl_metadata[object] = metadata; |
| 2557 | } |
| 2558 | |
| 2559 | void TypeSystemClang::SetMetadata(const clang::Type *object, |
| 2560 | ClangASTMetadata &metadata) { |
| 2561 | m_type_metadata[object] = metadata; |
| 2562 | } |
| 2563 | |
| 2564 | ClangASTMetadata *TypeSystemClang::GetMetadata(const clang::Decl *object) { |
| 2565 | auto It = m_decl_metadata.find(object); |
| 2566 | if (It != m_decl_metadata.end()) |
| 2567 | return &It->second; |
| 2568 | return nullptr; |
| 2569 | } |
| 2570 | |
| 2571 | ClangASTMetadata *TypeSystemClang::GetMetadata(const clang::Type *object) { |
| 2572 | auto It = m_type_metadata.find(object); |
| 2573 | if (It != m_type_metadata.end()) |
| 2574 | return &It->second; |
| 2575 | return nullptr; |
| 2576 | } |
| 2577 | |
| 2578 | clang::DeclContext * |
| 2579 | TypeSystemClang::GetDeclContextForType(const CompilerType &type) { |
| 2580 | return GetDeclContextForType(ClangUtil::GetQualType(type)); |
| 2581 | } |
| 2582 | |
| 2583 | /// Aggressively desugar the provided type, skipping past various kinds of |
| 2584 | /// syntactic sugar and other constructs one typically wants to ignore. |
| 2585 | /// The \p mask argument allows one to skip certain kinds of simplifications, |
| 2586 | /// when one wishes to handle a certain kind of type directly. |
| 2587 | static QualType |
| 2588 | RemoveWrappingTypes(QualType type, ArrayRef<clang::Type::TypeClass> mask = {}) { |
| 2589 | while (true) { |
| 2590 | if (find(mask, type->getTypeClass()) != mask.end()) |
| 2591 | return type; |
| 2592 | switch (type->getTypeClass()) { |
| 2593 | // This is not fully correct as _Atomic is more than sugar, but it is |
| 2594 | // sufficient for the purposes we care about. |
| 2595 | case clang::Type::Atomic: |
| 2596 | type = cast<clang::AtomicType>(type)->getValueType(); |
| 2597 | break; |
| 2598 | case clang::Type::Auto: |
| 2599 | case clang::Type::Decltype: |
| 2600 | case clang::Type::Elaborated: |
| 2601 | case clang::Type::Paren: |
| 2602 | case clang::Type::SubstTemplateTypeParm: |
| 2603 | case clang::Type::TemplateSpecialization: |
| 2604 | case clang::Type::Typedef: |
| 2605 | case clang::Type::TypeOf: |
| 2606 | case clang::Type::TypeOfExpr: |
| 2607 | type = type->getLocallyUnqualifiedSingleStepDesugaredType(); |
| 2608 | break; |
| 2609 | default: |
| 2610 | return type; |
| 2611 | } |
| 2612 | } |
| 2613 | } |
| 2614 | |
| 2615 | clang::DeclContext * |
| 2616 | TypeSystemClang::GetDeclContextForType(clang::QualType type) { |
| 2617 | if (type.isNull()) |
| 2618 | return nullptr; |
| 2619 | |
| 2620 | clang::QualType qual_type = RemoveWrappingTypes(type.getCanonicalType()); |
| 2621 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2622 | switch (type_class) { |
| 2623 | case clang::Type::ObjCInterface: |
| 2624 | return llvm::cast<clang::ObjCObjectType>(qual_type.getTypePtr()) |
| 2625 | ->getInterface(); |
| 2626 | case clang::Type::ObjCObjectPointer: |
| 2627 | return GetDeclContextForType( |
| 2628 | llvm::cast<clang::ObjCObjectPointerType>(qual_type.getTypePtr()) |
| 2629 | ->getPointeeType()); |
| 2630 | case clang::Type::Record: |
| 2631 | return llvm::cast<clang::RecordType>(qual_type)->getDecl(); |
| 2632 | case clang::Type::Enum: |
| 2633 | return llvm::cast<clang::EnumType>(qual_type)->getDecl(); |
| 2634 | default: |
| 2635 | break; |
| 2636 | } |
| 2637 | // No DeclContext in this type... |
| 2638 | return nullptr; |
| 2639 | } |
| 2640 | |
| 2641 | static bool GetCompleteQualType(clang::ASTContext *ast, |
| 2642 | clang::QualType qual_type, |
| 2643 | bool allow_completion = true) { |
| 2644 | qual_type = RemoveWrappingTypes(qual_type); |
| 2645 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2646 | switch (type_class) { |
| 2647 | case clang::Type::ConstantArray: |
| 2648 | case clang::Type::IncompleteArray: |
| 2649 | case clang::Type::VariableArray: { |
| 2650 | const clang::ArrayType *array_type = |
| 2651 | llvm::dyn_cast<clang::ArrayType>(qual_type.getTypePtr()); |
| 2652 | |
| 2653 | if (array_type) |
| 2654 | return GetCompleteQualType(ast, array_type->getElementType(), |
| 2655 | allow_completion); |
| 2656 | } break; |
| 2657 | case clang::Type::Record: { |
| 2658 | clang::CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); |
| 2659 | if (cxx_record_decl) { |
| 2660 | if (cxx_record_decl->hasExternalLexicalStorage()) { |
| 2661 | const bool is_complete = cxx_record_decl->isCompleteDefinition(); |
| 2662 | const bool fields_loaded = |
| 2663 | cxx_record_decl->hasLoadedFieldsFromExternalStorage(); |
| 2664 | if (is_complete && fields_loaded) |
| 2665 | return true; |
| 2666 | |
| 2667 | if (!allow_completion) |
| 2668 | return false; |
| 2669 | |
| 2670 | // Call the field_begin() accessor to for it to use the external source |
| 2671 | // to load the fields... |
| 2672 | clang::ExternalASTSource *external_ast_source = |
| 2673 | ast->getExternalSource(); |
| 2674 | if (external_ast_source) { |
| 2675 | external_ast_source->CompleteType(cxx_record_decl); |
| 2676 | if (cxx_record_decl->isCompleteDefinition()) { |
| 2677 | cxx_record_decl->field_begin(); |
| 2678 | cxx_record_decl->setHasLoadedFieldsFromExternalStorage(true); |
| 2679 | } |
| 2680 | } |
| 2681 | } |
| 2682 | } |
| 2683 | const clang::TagType *tag_type = |
| 2684 | llvm::cast<clang::TagType>(qual_type.getTypePtr()); |
| 2685 | return !tag_type->isIncompleteType(); |
| 2686 | } break; |
| 2687 | |
| 2688 | case clang::Type::Enum: { |
| 2689 | const clang::TagType *tag_type = |
| 2690 | llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr()); |
| 2691 | if (tag_type) { |
| 2692 | clang::TagDecl *tag_decl = tag_type->getDecl(); |
| 2693 | if (tag_decl) { |
| 2694 | if (tag_decl->getDefinition()) |
| 2695 | return true; |
| 2696 | |
| 2697 | if (!allow_completion) |
| 2698 | return false; |
| 2699 | |
| 2700 | if (tag_decl->hasExternalLexicalStorage()) { |
| 2701 | if (ast) { |
| 2702 | clang::ExternalASTSource *external_ast_source = |
| 2703 | ast->getExternalSource(); |
| 2704 | if (external_ast_source) { |
| 2705 | external_ast_source->CompleteType(tag_decl); |
| 2706 | return !tag_type->isIncompleteType(); |
| 2707 | } |
| 2708 | } |
| 2709 | } |
| 2710 | return false; |
| 2711 | } |
| 2712 | } |
| 2713 | |
| 2714 | } break; |
| 2715 | case clang::Type::ObjCObject: |
| 2716 | case clang::Type::ObjCInterface: { |
| 2717 | const clang::ObjCObjectType *objc_class_type = |
| 2718 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type); |
| 2719 | if (objc_class_type) { |
| 2720 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 2721 | objc_class_type->getInterface(); |
| 2722 | // We currently can't complete objective C types through the newly added |
| 2723 | // ASTContext because it only supports TagDecl objects right now... |
| 2724 | if (class_interface_decl) { |
| 2725 | if (class_interface_decl->getDefinition()) |
| 2726 | return true; |
| 2727 | |
| 2728 | if (!allow_completion) |
| 2729 | return false; |
| 2730 | |
| 2731 | if (class_interface_decl->hasExternalLexicalStorage()) { |
| 2732 | if (ast) { |
| 2733 | clang::ExternalASTSource *external_ast_source = |
| 2734 | ast->getExternalSource(); |
| 2735 | if (external_ast_source) { |
| 2736 | external_ast_source->CompleteType(class_interface_decl); |
| 2737 | return !objc_class_type->isIncompleteType(); |
| 2738 | } |
| 2739 | } |
| 2740 | } |
| 2741 | return false; |
| 2742 | } |
| 2743 | } |
| 2744 | } break; |
| 2745 | |
| 2746 | case clang::Type::Attributed: |
| 2747 | return GetCompleteQualType( |
| 2748 | ast, llvm::cast<clang::AttributedType>(qual_type)->getModifiedType(), |
| 2749 | allow_completion); |
| 2750 | |
| 2751 | default: |
| 2752 | break; |
| 2753 | } |
| 2754 | |
| 2755 | return true; |
| 2756 | } |
| 2757 | |
| 2758 | static clang::ObjCIvarDecl::AccessControl |
| 2759 | ConvertAccessTypeToObjCIvarAccessControl(AccessType access) { |
| 2760 | switch (access) { |
| 2761 | case eAccessNone: |
| 2762 | return clang::ObjCIvarDecl::None; |
| 2763 | case eAccessPublic: |
| 2764 | return clang::ObjCIvarDecl::Public; |
| 2765 | case eAccessPrivate: |
| 2766 | return clang::ObjCIvarDecl::Private; |
| 2767 | case eAccessProtected: |
| 2768 | return clang::ObjCIvarDecl::Protected; |
| 2769 | case eAccessPackage: |
| 2770 | return clang::ObjCIvarDecl::Package; |
| 2771 | } |
| 2772 | return clang::ObjCIvarDecl::None; |
| 2773 | } |
| 2774 | |
| 2775 | // Tests |
| 2776 | |
| 2777 | #ifndef NDEBUG1 |
| 2778 | bool TypeSystemClang::Verify(lldb::opaque_compiler_type_t type) { |
| 2779 | return !type || llvm::isa<clang::Type>(GetQualType(type).getTypePtr()); |
| 2780 | } |
| 2781 | #endif |
| 2782 | |
| 2783 | bool TypeSystemClang::IsAggregateType(lldb::opaque_compiler_type_t type) { |
| 2784 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 2785 | |
| 2786 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2787 | switch (type_class) { |
| 2788 | case clang::Type::IncompleteArray: |
| 2789 | case clang::Type::VariableArray: |
| 2790 | case clang::Type::ConstantArray: |
| 2791 | case clang::Type::ExtVector: |
| 2792 | case clang::Type::Vector: |
| 2793 | case clang::Type::Record: |
| 2794 | case clang::Type::ObjCObject: |
| 2795 | case clang::Type::ObjCInterface: |
| 2796 | return true; |
| 2797 | default: |
| 2798 | break; |
| 2799 | } |
| 2800 | // The clang type does have a value |
| 2801 | return false; |
| 2802 | } |
| 2803 | |
| 2804 | bool TypeSystemClang::IsAnonymousType(lldb::opaque_compiler_type_t type) { |
| 2805 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 2806 | |
| 2807 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2808 | switch (type_class) { |
| 2809 | case clang::Type::Record: { |
| 2810 | if (const clang::RecordType *record_type = |
| 2811 | llvm::dyn_cast_or_null<clang::RecordType>( |
| 2812 | qual_type.getTypePtrOrNull())) { |
| 2813 | if (const clang::RecordDecl *record_decl = record_type->getDecl()) { |
| 2814 | return record_decl->isAnonymousStructOrUnion(); |
| 2815 | } |
| 2816 | } |
| 2817 | break; |
| 2818 | } |
| 2819 | default: |
| 2820 | break; |
| 2821 | } |
| 2822 | // The clang type does have a value |
| 2823 | return false; |
| 2824 | } |
| 2825 | |
| 2826 | bool TypeSystemClang::IsArrayType(lldb::opaque_compiler_type_t type, |
| 2827 | CompilerType *element_type_ptr, |
| 2828 | uint64_t *size, bool *is_incomplete) { |
| 2829 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 2830 | |
| 2831 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2832 | switch (type_class) { |
| 2833 | default: |
| 2834 | break; |
| 2835 | |
| 2836 | case clang::Type::ConstantArray: |
| 2837 | if (element_type_ptr) |
| 2838 | element_type_ptr->SetCompilerType( |
| 2839 | this, llvm::cast<clang::ConstantArrayType>(qual_type) |
| 2840 | ->getElementType() |
| 2841 | .getAsOpaquePtr()); |
| 2842 | if (size) |
| 2843 | *size = llvm::cast<clang::ConstantArrayType>(qual_type) |
| 2844 | ->getSize() |
| 2845 | .getLimitedValue(ULLONG_MAX(9223372036854775807LL*2ULL+1ULL)); |
| 2846 | if (is_incomplete) |
| 2847 | *is_incomplete = false; |
| 2848 | return true; |
| 2849 | |
| 2850 | case clang::Type::IncompleteArray: |
| 2851 | if (element_type_ptr) |
| 2852 | element_type_ptr->SetCompilerType( |
| 2853 | this, llvm::cast<clang::IncompleteArrayType>(qual_type) |
| 2854 | ->getElementType() |
| 2855 | .getAsOpaquePtr()); |
| 2856 | if (size) |
| 2857 | *size = 0; |
| 2858 | if (is_incomplete) |
| 2859 | *is_incomplete = true; |
| 2860 | return true; |
| 2861 | |
| 2862 | case clang::Type::VariableArray: |
| 2863 | if (element_type_ptr) |
| 2864 | element_type_ptr->SetCompilerType( |
| 2865 | this, llvm::cast<clang::VariableArrayType>(qual_type) |
| 2866 | ->getElementType() |
| 2867 | .getAsOpaquePtr()); |
| 2868 | if (size) |
| 2869 | *size = 0; |
| 2870 | if (is_incomplete) |
| 2871 | *is_incomplete = false; |
| 2872 | return true; |
| 2873 | |
| 2874 | case clang::Type::DependentSizedArray: |
| 2875 | if (element_type_ptr) |
| 2876 | element_type_ptr->SetCompilerType( |
| 2877 | this, llvm::cast<clang::DependentSizedArrayType>(qual_type) |
| 2878 | ->getElementType() |
| 2879 | .getAsOpaquePtr()); |
| 2880 | if (size) |
| 2881 | *size = 0; |
| 2882 | if (is_incomplete) |
| 2883 | *is_incomplete = false; |
| 2884 | return true; |
| 2885 | } |
| 2886 | if (element_type_ptr) |
| 2887 | element_type_ptr->Clear(); |
| 2888 | if (size) |
| 2889 | *size = 0; |
| 2890 | if (is_incomplete) |
| 2891 | *is_incomplete = false; |
| 2892 | return false; |
| 2893 | } |
| 2894 | |
| 2895 | bool TypeSystemClang::IsVectorType(lldb::opaque_compiler_type_t type, |
| 2896 | CompilerType *element_type, uint64_t *size) { |
| 2897 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 2898 | |
| 2899 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2900 | switch (type_class) { |
| 2901 | case clang::Type::Vector: { |
| 2902 | const clang::VectorType *vector_type = |
| 2903 | qual_type->getAs<clang::VectorType>(); |
| 2904 | if (vector_type) { |
| 2905 | if (size) |
| 2906 | *size = vector_type->getNumElements(); |
| 2907 | if (element_type) |
| 2908 | *element_type = GetType(vector_type->getElementType()); |
| 2909 | } |
| 2910 | return true; |
| 2911 | } break; |
| 2912 | case clang::Type::ExtVector: { |
| 2913 | const clang::ExtVectorType *ext_vector_type = |
| 2914 | qual_type->getAs<clang::ExtVectorType>(); |
| 2915 | if (ext_vector_type) { |
| 2916 | if (size) |
| 2917 | *size = ext_vector_type->getNumElements(); |
| 2918 | if (element_type) |
| 2919 | *element_type = |
| 2920 | CompilerType(this, ext_vector_type->getElementType().getAsOpaquePtr()); |
| 2921 | } |
| 2922 | return true; |
| 2923 | } |
| 2924 | default: |
| 2925 | break; |
| 2926 | } |
| 2927 | return false; |
| 2928 | } |
| 2929 | |
| 2930 | bool TypeSystemClang::IsRuntimeGeneratedType( |
| 2931 | lldb::opaque_compiler_type_t type) { |
| 2932 | clang::DeclContext *decl_ctx = GetDeclContextForType(GetQualType(type)); |
| 2933 | if (!decl_ctx) |
| 2934 | return false; |
| 2935 | |
| 2936 | if (!llvm::isa<clang::ObjCInterfaceDecl>(decl_ctx)) |
| 2937 | return false; |
| 2938 | |
| 2939 | clang::ObjCInterfaceDecl *result_iface_decl = |
| 2940 | llvm::dyn_cast<clang::ObjCInterfaceDecl>(decl_ctx); |
| 2941 | |
| 2942 | ClangASTMetadata *ast_metadata = GetMetadata(result_iface_decl); |
| 2943 | if (!ast_metadata) |
| 2944 | return false; |
| 2945 | return (ast_metadata->GetISAPtr() != 0); |
| 2946 | } |
| 2947 | |
| 2948 | bool TypeSystemClang::IsCharType(lldb::opaque_compiler_type_t type) { |
| 2949 | return GetQualType(type).getUnqualifiedType()->isCharType(); |
| 2950 | } |
| 2951 | |
| 2952 | bool TypeSystemClang::IsCompleteType(lldb::opaque_compiler_type_t type) { |
| 2953 | const bool allow_completion = false; |
| 2954 | return GetCompleteQualType(&getASTContext(), GetQualType(type), |
| 2955 | allow_completion); |
| 2956 | } |
| 2957 | |
| 2958 | bool TypeSystemClang::IsConst(lldb::opaque_compiler_type_t type) { |
| 2959 | return GetQualType(type).isConstQualified(); |
| 2960 | } |
| 2961 | |
| 2962 | bool TypeSystemClang::IsCStringType(lldb::opaque_compiler_type_t type, |
| 2963 | uint32_t &length) { |
| 2964 | CompilerType pointee_or_element_clang_type; |
| 2965 | length = 0; |
| 2966 | Flags type_flags(GetTypeInfo(type, &pointee_or_element_clang_type)); |
| 2967 | |
| 2968 | if (!pointee_or_element_clang_type.IsValid()) |
| 2969 | return false; |
| 2970 | |
| 2971 | if (type_flags.AnySet(eTypeIsArray | eTypeIsPointer)) { |
| 2972 | if (pointee_or_element_clang_type.IsCharType()) { |
| 2973 | if (type_flags.Test(eTypeIsArray)) { |
| 2974 | // We know the size of the array and it could be a C string since it is |
| 2975 | // an array of characters |
| 2976 | length = llvm::cast<clang::ConstantArrayType>( |
| 2977 | GetCanonicalQualType(type).getTypePtr()) |
| 2978 | ->getSize() |
| 2979 | .getLimitedValue(); |
| 2980 | } |
| 2981 | return true; |
| 2982 | } |
| 2983 | } |
| 2984 | return false; |
| 2985 | } |
| 2986 | |
| 2987 | bool TypeSystemClang::IsFunctionType(lldb::opaque_compiler_type_t type) { |
| 2988 | if (type) { |
| 2989 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 2990 | |
| 2991 | if (qual_type->isFunctionType()) { |
| 2992 | return true; |
| 2993 | } |
| 2994 | |
| 2995 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 2996 | switch (type_class) { |
| 2997 | default: |
| 2998 | break; |
| 2999 | case clang::Type::LValueReference: |
| 3000 | case clang::Type::RValueReference: { |
| 3001 | const clang::ReferenceType *reference_type = |
| 3002 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); |
| 3003 | if (reference_type) |
| 3004 | return IsFunctionType( |
| 3005 | reference_type->getPointeeType().getAsOpaquePtr()); |
| 3006 | } break; |
| 3007 | } |
| 3008 | } |
| 3009 | return false; |
| 3010 | } |
| 3011 | |
| 3012 | // Used to detect "Homogeneous Floating-point Aggregates" |
| 3013 | uint32_t |
| 3014 | TypeSystemClang::IsHomogeneousAggregate(lldb::opaque_compiler_type_t type, |
| 3015 | CompilerType *base_type_ptr) { |
| 3016 | if (!type) |
| 3017 | return 0; |
| 3018 | |
| 3019 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 3020 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3021 | switch (type_class) { |
| 3022 | case clang::Type::Record: |
| 3023 | if (GetCompleteType(type)) { |
| 3024 | const clang::CXXRecordDecl *cxx_record_decl = |
| 3025 | qual_type->getAsCXXRecordDecl(); |
| 3026 | if (cxx_record_decl) { |
| 3027 | if (cxx_record_decl->getNumBases() || cxx_record_decl->isDynamicClass()) |
| 3028 | return 0; |
| 3029 | } |
| 3030 | const clang::RecordType *record_type = |
| 3031 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 3032 | if (record_type) { |
| 3033 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 3034 | if (record_decl) { |
| 3035 | // We are looking for a structure that contains only floating point |
| 3036 | // types |
| 3037 | clang::RecordDecl::field_iterator field_pos, |
| 3038 | field_end = record_decl->field_end(); |
| 3039 | uint32_t num_fields = 0; |
| 3040 | bool is_hva = false; |
| 3041 | bool is_hfa = false; |
| 3042 | clang::QualType base_qual_type; |
| 3043 | uint64_t base_bitwidth = 0; |
| 3044 | for (field_pos = record_decl->field_begin(); field_pos != field_end; |
| 3045 | ++field_pos) { |
| 3046 | clang::QualType field_qual_type = field_pos->getType(); |
| 3047 | uint64_t field_bitwidth = getASTContext().getTypeSize(qual_type); |
| 3048 | if (field_qual_type->isFloatingType()) { |
| 3049 | if (field_qual_type->isComplexType()) |
| 3050 | return 0; |
| 3051 | else { |
| 3052 | if (num_fields == 0) |
| 3053 | base_qual_type = field_qual_type; |
| 3054 | else { |
| 3055 | if (is_hva) |
| 3056 | return 0; |
| 3057 | is_hfa = true; |
| 3058 | if (field_qual_type.getTypePtr() != |
| 3059 | base_qual_type.getTypePtr()) |
| 3060 | return 0; |
| 3061 | } |
| 3062 | } |
| 3063 | } else if (field_qual_type->isVectorType() || |
| 3064 | field_qual_type->isExtVectorType()) { |
| 3065 | if (num_fields == 0) { |
| 3066 | base_qual_type = field_qual_type; |
| 3067 | base_bitwidth = field_bitwidth; |
| 3068 | } else { |
| 3069 | if (is_hfa) |
| 3070 | return 0; |
| 3071 | is_hva = true; |
| 3072 | if (base_bitwidth != field_bitwidth) |
| 3073 | return 0; |
| 3074 | if (field_qual_type.getTypePtr() != base_qual_type.getTypePtr()) |
| 3075 | return 0; |
| 3076 | } |
| 3077 | } else |
| 3078 | return 0; |
| 3079 | ++num_fields; |
| 3080 | } |
| 3081 | if (base_type_ptr) |
| 3082 | *base_type_ptr = CompilerType(this, base_qual_type.getAsOpaquePtr()); |
| 3083 | return num_fields; |
| 3084 | } |
| 3085 | } |
| 3086 | } |
| 3087 | break; |
| 3088 | |
| 3089 | default: |
| 3090 | break; |
| 3091 | } |
| 3092 | return 0; |
| 3093 | } |
| 3094 | |
| 3095 | size_t TypeSystemClang::GetNumberOfFunctionArguments( |
| 3096 | lldb::opaque_compiler_type_t type) { |
| 3097 | if (type) { |
| 3098 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3099 | const clang::FunctionProtoType *func = |
| 3100 | llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); |
| 3101 | if (func) |
| 3102 | return func->getNumParams(); |
| 3103 | } |
| 3104 | return 0; |
| 3105 | } |
| 3106 | |
| 3107 | CompilerType |
| 3108 | TypeSystemClang::GetFunctionArgumentAtIndex(lldb::opaque_compiler_type_t type, |
| 3109 | const size_t index) { |
| 3110 | if (type) { |
| 3111 | clang::QualType qual_type(GetQualType(type)); |
| 3112 | const clang::FunctionProtoType *func = |
| 3113 | llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); |
| 3114 | if (func) { |
| 3115 | if (index < func->getNumParams()) |
| 3116 | return CompilerType(this, func->getParamType(index).getAsOpaquePtr()); |
| 3117 | } |
| 3118 | } |
| 3119 | return CompilerType(); |
| 3120 | } |
| 3121 | |
| 3122 | bool TypeSystemClang::IsFunctionPointerType(lldb::opaque_compiler_type_t type) { |
| 3123 | if (type) { |
| 3124 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 3125 | |
| 3126 | if (qual_type->isFunctionPointerType()) |
| 3127 | return true; |
| 3128 | |
| 3129 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3130 | switch (type_class) { |
| 3131 | default: |
| 3132 | break; |
| 3133 | |
| 3134 | case clang::Type::LValueReference: |
| 3135 | case clang::Type::RValueReference: { |
| 3136 | const clang::ReferenceType *reference_type = |
| 3137 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); |
| 3138 | if (reference_type) |
| 3139 | return IsFunctionPointerType( |
| 3140 | reference_type->getPointeeType().getAsOpaquePtr()); |
| 3141 | } break; |
| 3142 | } |
| 3143 | } |
| 3144 | return false; |
| 3145 | } |
| 3146 | |
| 3147 | bool TypeSystemClang::IsBlockPointerType( |
| 3148 | lldb::opaque_compiler_type_t type, |
| 3149 | CompilerType *function_pointer_type_ptr) { |
| 3150 | if (type) { |
| 3151 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 3152 | |
| 3153 | if (qual_type->isBlockPointerType()) { |
| 3154 | if (function_pointer_type_ptr) { |
| 3155 | const clang::BlockPointerType *block_pointer_type = |
| 3156 | qual_type->getAs<clang::BlockPointerType>(); |
| 3157 | QualType pointee_type = block_pointer_type->getPointeeType(); |
| 3158 | QualType function_pointer_type = m_ast_up->getPointerType(pointee_type); |
| 3159 | *function_pointer_type_ptr = |
| 3160 | CompilerType(this, function_pointer_type.getAsOpaquePtr()); |
| 3161 | } |
| 3162 | return true; |
| 3163 | } |
| 3164 | |
| 3165 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3166 | switch (type_class) { |
| 3167 | default: |
| 3168 | break; |
| 3169 | |
| 3170 | case clang::Type::LValueReference: |
| 3171 | case clang::Type::RValueReference: { |
| 3172 | const clang::ReferenceType *reference_type = |
| 3173 | llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()); |
| 3174 | if (reference_type) |
| 3175 | return IsBlockPointerType( |
| 3176 | reference_type->getPointeeType().getAsOpaquePtr(), |
| 3177 | function_pointer_type_ptr); |
| 3178 | } break; |
| 3179 | } |
| 3180 | } |
| 3181 | return false; |
| 3182 | } |
| 3183 | |
| 3184 | bool TypeSystemClang::IsIntegerType(lldb::opaque_compiler_type_t type, |
| 3185 | bool &is_signed) { |
| 3186 | if (!type) |
| 3187 | return false; |
| 3188 | |
| 3189 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3190 | const clang::BuiltinType *builtin_type = |
| 3191 | llvm::dyn_cast<clang::BuiltinType>(qual_type->getCanonicalTypeInternal()); |
| 3192 | |
| 3193 | if (builtin_type) { |
| 3194 | if (builtin_type->isInteger()) { |
| 3195 | is_signed = builtin_type->isSignedInteger(); |
| 3196 | return true; |
| 3197 | } |
| 3198 | } |
| 3199 | |
| 3200 | return false; |
| 3201 | } |
| 3202 | |
| 3203 | bool TypeSystemClang::IsEnumerationType(lldb::opaque_compiler_type_t type, |
| 3204 | bool &is_signed) { |
| 3205 | if (type) { |
| 3206 | const clang::EnumType *enum_type = llvm::dyn_cast<clang::EnumType>( |
| 3207 | GetCanonicalQualType(type)->getCanonicalTypeInternal()); |
| 3208 | |
| 3209 | if (enum_type) { |
| 3210 | IsIntegerType(enum_type->getDecl()->getIntegerType().getAsOpaquePtr(), |
| 3211 | is_signed); |
| 3212 | return true; |
| 3213 | } |
| 3214 | } |
| 3215 | |
| 3216 | return false; |
| 3217 | } |
| 3218 | |
| 3219 | bool TypeSystemClang::IsScopedEnumerationType( |
| 3220 | lldb::opaque_compiler_type_t type) { |
| 3221 | if (type) { |
| 3222 | const clang::EnumType *enum_type = llvm::dyn_cast<clang::EnumType>( |
| 3223 | GetCanonicalQualType(type)->getCanonicalTypeInternal()); |
| 3224 | |
| 3225 | if (enum_type) { |
| 3226 | return enum_type->isScopedEnumeralType(); |
| 3227 | } |
| 3228 | } |
| 3229 | |
| 3230 | return false; |
| 3231 | } |
| 3232 | |
| 3233 | bool TypeSystemClang::IsPointerType(lldb::opaque_compiler_type_t type, |
| 3234 | CompilerType *pointee_type) { |
| 3235 | if (type) { |
| 3236 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 3237 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3238 | switch (type_class) { |
| 3239 | case clang::Type::Builtin: |
| 3240 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 3241 | default: |
| 3242 | break; |
| 3243 | case clang::BuiltinType::ObjCId: |
| 3244 | case clang::BuiltinType::ObjCClass: |
| 3245 | return true; |
| 3246 | } |
| 3247 | return false; |
| 3248 | case clang::Type::ObjCObjectPointer: |
| 3249 | if (pointee_type) |
| 3250 | pointee_type->SetCompilerType( |
| 3251 | this, llvm::cast<clang::ObjCObjectPointerType>(qual_type) |
| 3252 | ->getPointeeType() |
| 3253 | .getAsOpaquePtr()); |
| 3254 | return true; |
| 3255 | case clang::Type::BlockPointer: |
| 3256 | if (pointee_type) |
| 3257 | pointee_type->SetCompilerType( |
| 3258 | this, llvm::cast<clang::BlockPointerType>(qual_type) |
| 3259 | ->getPointeeType() |
| 3260 | .getAsOpaquePtr()); |
| 3261 | return true; |
| 3262 | case clang::Type::Pointer: |
| 3263 | if (pointee_type) |
| 3264 | pointee_type->SetCompilerType(this, |
| 3265 | llvm::cast<clang::PointerType>(qual_type) |
| 3266 | ->getPointeeType() |
| 3267 | .getAsOpaquePtr()); |
| 3268 | return true; |
| 3269 | case clang::Type::MemberPointer: |
| 3270 | if (pointee_type) |
| 3271 | pointee_type->SetCompilerType( |
| 3272 | this, llvm::cast<clang::MemberPointerType>(qual_type) |
| 3273 | ->getPointeeType() |
| 3274 | .getAsOpaquePtr()); |
| 3275 | return true; |
| 3276 | default: |
| 3277 | break; |
| 3278 | } |
| 3279 | } |
| 3280 | if (pointee_type) |
| 3281 | pointee_type->Clear(); |
| 3282 | return false; |
| 3283 | } |
| 3284 | |
| 3285 | bool TypeSystemClang::IsPointerOrReferenceType( |
| 3286 | lldb::opaque_compiler_type_t type, CompilerType *pointee_type) { |
| 3287 | if (type) { |
| 3288 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 3289 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3290 | switch (type_class) { |
| 3291 | case clang::Type::Builtin: |
| 3292 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 3293 | default: |
| 3294 | break; |
| 3295 | case clang::BuiltinType::ObjCId: |
| 3296 | case clang::BuiltinType::ObjCClass: |
| 3297 | return true; |
| 3298 | } |
| 3299 | return false; |
| 3300 | case clang::Type::ObjCObjectPointer: |
| 3301 | if (pointee_type) |
| 3302 | pointee_type->SetCompilerType( |
| 3303 | this, llvm::cast<clang::ObjCObjectPointerType>(qual_type) |
| 3304 | ->getPointeeType().getAsOpaquePtr()); |
| 3305 | return true; |
| 3306 | case clang::Type::BlockPointer: |
| 3307 | if (pointee_type) |
| 3308 | pointee_type->SetCompilerType( |
| 3309 | this, llvm::cast<clang::BlockPointerType>(qual_type) |
| 3310 | ->getPointeeType() |
| 3311 | .getAsOpaquePtr()); |
| 3312 | return true; |
| 3313 | case clang::Type::Pointer: |
| 3314 | if (pointee_type) |
| 3315 | pointee_type->SetCompilerType(this, |
| 3316 | llvm::cast<clang::PointerType>(qual_type) |
| 3317 | ->getPointeeType() |
| 3318 | .getAsOpaquePtr()); |
| 3319 | return true; |
| 3320 | case clang::Type::MemberPointer: |
| 3321 | if (pointee_type) |
| 3322 | pointee_type->SetCompilerType( |
| 3323 | this, llvm::cast<clang::MemberPointerType>(qual_type) |
| 3324 | ->getPointeeType() |
| 3325 | .getAsOpaquePtr()); |
| 3326 | return true; |
| 3327 | case clang::Type::LValueReference: |
| 3328 | if (pointee_type) |
| 3329 | pointee_type->SetCompilerType( |
| 3330 | this, llvm::cast<clang::LValueReferenceType>(qual_type) |
| 3331 | ->desugar() |
| 3332 | .getAsOpaquePtr()); |
| 3333 | return true; |
| 3334 | case clang::Type::RValueReference: |
| 3335 | if (pointee_type) |
| 3336 | pointee_type->SetCompilerType( |
| 3337 | this, llvm::cast<clang::RValueReferenceType>(qual_type) |
| 3338 | ->desugar() |
| 3339 | .getAsOpaquePtr()); |
| 3340 | return true; |
| 3341 | default: |
| 3342 | break; |
| 3343 | } |
| 3344 | } |
| 3345 | if (pointee_type) |
| 3346 | pointee_type->Clear(); |
| 3347 | return false; |
| 3348 | } |
| 3349 | |
| 3350 | bool TypeSystemClang::IsReferenceType(lldb::opaque_compiler_type_t type, |
| 3351 | CompilerType *pointee_type, |
| 3352 | bool *is_rvalue) { |
| 3353 | if (type) { |
| 3354 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 3355 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3356 | |
| 3357 | switch (type_class) { |
| 3358 | case clang::Type::LValueReference: |
| 3359 | if (pointee_type) |
| 3360 | pointee_type->SetCompilerType( |
| 3361 | this, llvm::cast<clang::LValueReferenceType>(qual_type) |
| 3362 | ->desugar() |
| 3363 | .getAsOpaquePtr()); |
| 3364 | if (is_rvalue) |
| 3365 | *is_rvalue = false; |
| 3366 | return true; |
| 3367 | case clang::Type::RValueReference: |
| 3368 | if (pointee_type) |
| 3369 | pointee_type->SetCompilerType( |
| 3370 | this, llvm::cast<clang::RValueReferenceType>(qual_type) |
| 3371 | ->desugar() |
| 3372 | .getAsOpaquePtr()); |
| 3373 | if (is_rvalue) |
| 3374 | *is_rvalue = true; |
| 3375 | return true; |
| 3376 | |
| 3377 | default: |
| 3378 | break; |
| 3379 | } |
| 3380 | } |
| 3381 | if (pointee_type) |
| 3382 | pointee_type->Clear(); |
| 3383 | return false; |
| 3384 | } |
| 3385 | |
| 3386 | bool TypeSystemClang::IsFloatingPointType(lldb::opaque_compiler_type_t type, |
| 3387 | uint32_t &count, bool &is_complex) { |
| 3388 | if (type) { |
| 3389 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3390 | |
| 3391 | if (const clang::BuiltinType *BT = llvm::dyn_cast<clang::BuiltinType>( |
| 3392 | qual_type->getCanonicalTypeInternal())) { |
| 3393 | clang::BuiltinType::Kind kind = BT->getKind(); |
| 3394 | if (kind >= clang::BuiltinType::Float && |
| 3395 | kind <= clang::BuiltinType::LongDouble) { |
| 3396 | count = 1; |
| 3397 | is_complex = false; |
| 3398 | return true; |
| 3399 | } |
| 3400 | } else if (const clang::ComplexType *CT = |
| 3401 | llvm::dyn_cast<clang::ComplexType>( |
| 3402 | qual_type->getCanonicalTypeInternal())) { |
| 3403 | if (IsFloatingPointType(CT->getElementType().getAsOpaquePtr(), count, |
| 3404 | is_complex)) { |
| 3405 | count = 2; |
| 3406 | is_complex = true; |
| 3407 | return true; |
| 3408 | } |
| 3409 | } else if (const clang::VectorType *VT = llvm::dyn_cast<clang::VectorType>( |
| 3410 | qual_type->getCanonicalTypeInternal())) { |
| 3411 | if (IsFloatingPointType(VT->getElementType().getAsOpaquePtr(), count, |
| 3412 | is_complex)) { |
| 3413 | count = VT->getNumElements(); |
| 3414 | is_complex = false; |
| 3415 | return true; |
| 3416 | } |
| 3417 | } |
| 3418 | } |
| 3419 | count = 0; |
| 3420 | is_complex = false; |
| 3421 | return false; |
| 3422 | } |
| 3423 | |
| 3424 | bool TypeSystemClang::IsDefined(lldb::opaque_compiler_type_t type) { |
| 3425 | if (!type) |
| 3426 | return false; |
| 3427 | |
| 3428 | clang::QualType qual_type(GetQualType(type)); |
| 3429 | const clang::TagType *tag_type = |
| 3430 | llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr()); |
| 3431 | if (tag_type) { |
| 3432 | clang::TagDecl *tag_decl = tag_type->getDecl(); |
| 3433 | if (tag_decl) |
| 3434 | return tag_decl->isCompleteDefinition(); |
| 3435 | return false; |
| 3436 | } else { |
| 3437 | const clang::ObjCObjectType *objc_class_type = |
| 3438 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type); |
| 3439 | if (objc_class_type) { |
| 3440 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 3441 | objc_class_type->getInterface(); |
| 3442 | if (class_interface_decl) |
| 3443 | return class_interface_decl->getDefinition() != nullptr; |
| 3444 | return false; |
| 3445 | } |
| 3446 | } |
| 3447 | return true; |
| 3448 | } |
| 3449 | |
| 3450 | bool TypeSystemClang::IsObjCClassType(const CompilerType &type) { |
| 3451 | if (ClangUtil::IsClangType(type)) { |
| 3452 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); |
| 3453 | |
| 3454 | const clang::ObjCObjectPointerType *obj_pointer_type = |
| 3455 | llvm::dyn_cast<clang::ObjCObjectPointerType>(qual_type); |
| 3456 | |
| 3457 | if (obj_pointer_type) |
| 3458 | return obj_pointer_type->isObjCClassType(); |
| 3459 | } |
| 3460 | return false; |
| 3461 | } |
| 3462 | |
| 3463 | bool TypeSystemClang::IsObjCObjectOrInterfaceType(const CompilerType &type) { |
| 3464 | if (ClangUtil::IsClangType(type)) |
| 3465 | return ClangUtil::GetCanonicalQualType(type)->isObjCObjectOrInterfaceType(); |
| 3466 | return false; |
| 3467 | } |
| 3468 | |
| 3469 | bool TypeSystemClang::IsClassType(lldb::opaque_compiler_type_t type) { |
| 3470 | if (!type) |
| 3471 | return false; |
| 3472 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3473 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3474 | return (type_class == clang::Type::Record); |
| 3475 | } |
| 3476 | |
| 3477 | bool TypeSystemClang::IsEnumType(lldb::opaque_compiler_type_t type) { |
| 3478 | if (!type) |
| 3479 | return false; |
| 3480 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3481 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3482 | return (type_class == clang::Type::Enum); |
| 3483 | } |
| 3484 | |
| 3485 | bool TypeSystemClang::IsPolymorphicClass(lldb::opaque_compiler_type_t type) { |
| 3486 | if (type) { |
| 3487 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3488 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3489 | switch (type_class) { |
| 3490 | case clang::Type::Record: |
| 3491 | if (GetCompleteType(type)) { |
| 3492 | const clang::RecordType *record_type = |
| 3493 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 3494 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 3495 | if (record_decl) { |
| 3496 | const clang::CXXRecordDecl *cxx_record_decl = |
| 3497 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 3498 | if (cxx_record_decl) |
| 3499 | return cxx_record_decl->isPolymorphic(); |
| 3500 | } |
| 3501 | } |
| 3502 | break; |
| 3503 | |
| 3504 | default: |
| 3505 | break; |
| 3506 | } |
| 3507 | } |
| 3508 | return false; |
| 3509 | } |
| 3510 | |
| 3511 | bool TypeSystemClang::IsPossibleDynamicType(lldb::opaque_compiler_type_t type, |
| 3512 | CompilerType *dynamic_pointee_type, |
| 3513 | bool check_cplusplus, |
| 3514 | bool check_objc) { |
| 3515 | clang::QualType pointee_qual_type; |
| 3516 | if (type) { |
| 3517 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 3518 | bool success = false; |
| 3519 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3520 | switch (type_class) { |
| 3521 | case clang::Type::Builtin: |
| 3522 | if (check_objc && |
| 3523 | llvm::cast<clang::BuiltinType>(qual_type)->getKind() == |
| 3524 | clang::BuiltinType::ObjCId) { |
| 3525 | if (dynamic_pointee_type) |
| 3526 | dynamic_pointee_type->SetCompilerType(this, type); |
| 3527 | return true; |
| 3528 | } |
| 3529 | break; |
| 3530 | |
| 3531 | case clang::Type::ObjCObjectPointer: |
| 3532 | if (check_objc) { |
| 3533 | if (const auto *objc_pointee_type = |
| 3534 | qual_type->getPointeeType().getTypePtrOrNull()) { |
| 3535 | if (const auto *objc_object_type = |
| 3536 | llvm::dyn_cast_or_null<clang::ObjCObjectType>( |
| 3537 | objc_pointee_type)) { |
| 3538 | if (objc_object_type->isObjCClass()) |
| 3539 | return false; |
| 3540 | } |
| 3541 | } |
| 3542 | if (dynamic_pointee_type) |
| 3543 | dynamic_pointee_type->SetCompilerType( |
| 3544 | this, llvm::cast<clang::ObjCObjectPointerType>(qual_type) |
| 3545 | ->getPointeeType() |
| 3546 | .getAsOpaquePtr()); |
| 3547 | return true; |
| 3548 | } |
| 3549 | break; |
| 3550 | |
| 3551 | case clang::Type::Pointer: |
| 3552 | pointee_qual_type = |
| 3553 | llvm::cast<clang::PointerType>(qual_type)->getPointeeType(); |
| 3554 | success = true; |
| 3555 | break; |
| 3556 | |
| 3557 | case clang::Type::LValueReference: |
| 3558 | case clang::Type::RValueReference: |
| 3559 | pointee_qual_type = |
| 3560 | llvm::cast<clang::ReferenceType>(qual_type)->getPointeeType(); |
| 3561 | success = true; |
| 3562 | break; |
| 3563 | |
| 3564 | default: |
| 3565 | break; |
| 3566 | } |
| 3567 | |
| 3568 | if (success) { |
| 3569 | // Check to make sure what we are pointing too is a possible dynamic C++ |
| 3570 | // type We currently accept any "void *" (in case we have a class that |
| 3571 | // has been watered down to an opaque pointer) and virtual C++ classes. |
| 3572 | const clang::Type::TypeClass pointee_type_class = |
| 3573 | pointee_qual_type.getCanonicalType()->getTypeClass(); |
| 3574 | switch (pointee_type_class) { |
| 3575 | case clang::Type::Builtin: |
| 3576 | switch (llvm::cast<clang::BuiltinType>(pointee_qual_type)->getKind()) { |
| 3577 | case clang::BuiltinType::UnknownAny: |
| 3578 | case clang::BuiltinType::Void: |
| 3579 | if (dynamic_pointee_type) |
| 3580 | dynamic_pointee_type->SetCompilerType( |
| 3581 | this, pointee_qual_type.getAsOpaquePtr()); |
| 3582 | return true; |
| 3583 | default: |
| 3584 | break; |
| 3585 | } |
| 3586 | break; |
| 3587 | |
| 3588 | case clang::Type::Record: |
| 3589 | if (check_cplusplus) { |
| 3590 | clang::CXXRecordDecl *cxx_record_decl = |
| 3591 | pointee_qual_type->getAsCXXRecordDecl(); |
| 3592 | if (cxx_record_decl) { |
| 3593 | bool is_complete = cxx_record_decl->isCompleteDefinition(); |
| 3594 | |
| 3595 | if (is_complete) |
| 3596 | success = cxx_record_decl->isDynamicClass(); |
| 3597 | else { |
| 3598 | ClangASTMetadata *metadata = GetMetadata(cxx_record_decl); |
| 3599 | if (metadata) |
| 3600 | success = metadata->GetIsDynamicCXXType(); |
| 3601 | else { |
| 3602 | is_complete = GetType(pointee_qual_type).GetCompleteType(); |
| 3603 | if (is_complete) |
| 3604 | success = cxx_record_decl->isDynamicClass(); |
| 3605 | else |
| 3606 | success = false; |
| 3607 | } |
| 3608 | } |
| 3609 | |
| 3610 | if (success) { |
| 3611 | if (dynamic_pointee_type) |
| 3612 | dynamic_pointee_type->SetCompilerType( |
| 3613 | this, pointee_qual_type.getAsOpaquePtr()); |
| 3614 | return true; |
| 3615 | } |
| 3616 | } |
| 3617 | } |
| 3618 | break; |
| 3619 | |
| 3620 | case clang::Type::ObjCObject: |
| 3621 | case clang::Type::ObjCInterface: |
| 3622 | if (check_objc) { |
| 3623 | if (dynamic_pointee_type) |
| 3624 | dynamic_pointee_type->SetCompilerType( |
| 3625 | this, pointee_qual_type.getAsOpaquePtr()); |
| 3626 | return true; |
| 3627 | } |
| 3628 | break; |
| 3629 | |
| 3630 | default: |
| 3631 | break; |
| 3632 | } |
| 3633 | } |
| 3634 | } |
| 3635 | if (dynamic_pointee_type) |
| 3636 | dynamic_pointee_type->Clear(); |
| 3637 | return false; |
| 3638 | } |
| 3639 | |
| 3640 | bool TypeSystemClang::IsScalarType(lldb::opaque_compiler_type_t type) { |
| 3641 | if (!type) |
| 3642 | return false; |
| 3643 | |
| 3644 | return (GetTypeInfo(type, nullptr) & eTypeIsScalar) != 0; |
| 3645 | } |
| 3646 | |
| 3647 | bool TypeSystemClang::IsTypedefType(lldb::opaque_compiler_type_t type) { |
| 3648 | if (!type) |
| 3649 | return false; |
| 3650 | return RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}) |
| 3651 | ->getTypeClass() == clang::Type::Typedef; |
| 3652 | } |
| 3653 | |
| 3654 | bool TypeSystemClang::IsVoidType(lldb::opaque_compiler_type_t type) { |
| 3655 | if (!type) |
| 3656 | return false; |
| 3657 | return GetCanonicalQualType(type)->isVoidType(); |
| 3658 | } |
| 3659 | |
| 3660 | bool TypeSystemClang::CanPassInRegisters(const CompilerType &type) { |
| 3661 | if (auto *record_decl = |
| 3662 | TypeSystemClang::GetAsRecordDecl(type)) { |
| 3663 | return record_decl->canPassInRegisters(); |
| 3664 | } |
| 3665 | return false; |
| 3666 | } |
| 3667 | |
| 3668 | bool TypeSystemClang::SupportsLanguage(lldb::LanguageType language) { |
| 3669 | return TypeSystemClangSupportsLanguage(language); |
| 3670 | } |
| 3671 | |
| 3672 | Optional<std::string> |
| 3673 | TypeSystemClang::GetCXXClassName(const CompilerType &type) { |
| 3674 | if (!type) |
| 3675 | return llvm::None; |
| 3676 | |
| 3677 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); |
| 3678 | if (qual_type.isNull()) |
| 3679 | return llvm::None; |
| 3680 | |
| 3681 | clang::CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); |
| 3682 | if (!cxx_record_decl) |
| 3683 | return llvm::None; |
| 3684 | |
| 3685 | return std::string(cxx_record_decl->getIdentifier()->getNameStart()); |
| 3686 | } |
| 3687 | |
| 3688 | bool TypeSystemClang::IsCXXClassType(const CompilerType &type) { |
| 3689 | if (!type) |
| 3690 | return false; |
| 3691 | |
| 3692 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); |
| 3693 | return !qual_type.isNull() && qual_type->getAsCXXRecordDecl() != nullptr; |
| 3694 | } |
| 3695 | |
| 3696 | bool TypeSystemClang::IsBeingDefined(lldb::opaque_compiler_type_t type) { |
| 3697 | if (!type) |
| 3698 | return false; |
| 3699 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 3700 | const clang::TagType *tag_type = llvm::dyn_cast<clang::TagType>(qual_type); |
| 3701 | if (tag_type) |
| 3702 | return tag_type->isBeingDefined(); |
| 3703 | return false; |
| 3704 | } |
| 3705 | |
| 3706 | bool TypeSystemClang::IsObjCObjectPointerType(const CompilerType &type, |
| 3707 | CompilerType *class_type_ptr) { |
| 3708 | if (!ClangUtil::IsClangType(type)) |
| 3709 | return false; |
| 3710 | |
| 3711 | clang::QualType qual_type(ClangUtil::GetCanonicalQualType(type)); |
| 3712 | |
| 3713 | if (!qual_type.isNull() && qual_type->isObjCObjectPointerType()) { |
| 3714 | if (class_type_ptr) { |
| 3715 | if (!qual_type->isObjCClassType() && !qual_type->isObjCIdType()) { |
| 3716 | const clang::ObjCObjectPointerType *obj_pointer_type = |
| 3717 | llvm::dyn_cast<clang::ObjCObjectPointerType>(qual_type); |
| 3718 | if (obj_pointer_type == nullptr) |
| 3719 | class_type_ptr->Clear(); |
| 3720 | else |
| 3721 | class_type_ptr->SetCompilerType( |
| 3722 | type.GetTypeSystem(), |
| 3723 | clang::QualType(obj_pointer_type->getInterfaceType(), 0) |
| 3724 | .getAsOpaquePtr()); |
| 3725 | } |
| 3726 | } |
| 3727 | return true; |
| 3728 | } |
| 3729 | if (class_type_ptr) |
| 3730 | class_type_ptr->Clear(); |
| 3731 | return false; |
| 3732 | } |
| 3733 | |
| 3734 | // Type Completion |
| 3735 | |
| 3736 | bool TypeSystemClang::GetCompleteType(lldb::opaque_compiler_type_t type) { |
| 3737 | if (!type) |
| 3738 | return false; |
| 3739 | const bool allow_completion = true; |
| 3740 | return GetCompleteQualType(&getASTContext(), GetQualType(type), |
| 3741 | allow_completion); |
| 3742 | } |
| 3743 | |
| 3744 | ConstString TypeSystemClang::GetTypeName(lldb::opaque_compiler_type_t type) { |
| 3745 | if (!type) |
| 3746 | return ConstString(); |
| 3747 | |
| 3748 | clang::QualType qual_type(GetQualType(type)); |
| 3749 | |
| 3750 | // Remove certain type sugar from the name. Sugar such as elaborated types |
| 3751 | // or template types which only serve to improve diagnostics shouldn't |
| 3752 | // act as their own types from the user's perspective (e.g., formatter |
| 3753 | // shouldn't format a variable differently depending on how the ser has |
| 3754 | // specified the type. '::Type' and 'Type' should behave the same). |
| 3755 | // Typedefs and atomic derived types are not removed as they are actually |
| 3756 | // useful for identifiying specific types. |
| 3757 | qual_type = RemoveWrappingTypes(qual_type, |
| 3758 | {clang::Type::Typedef, clang::Type::Atomic}); |
| 3759 | |
| 3760 | // For a typedef just return the qualified name. |
| 3761 | if (const auto *typedef_type = qual_type->getAs<clang::TypedefType>()) { |
| 3762 | const clang::TypedefNameDecl *typedef_decl = typedef_type->getDecl(); |
| 3763 | return ConstString(GetTypeNameForDecl(typedef_decl)); |
| 3764 | } |
| 3765 | |
| 3766 | return ConstString(qual_type.getAsString(GetTypePrintingPolicy())); |
| 3767 | } |
| 3768 | |
| 3769 | ConstString |
| 3770 | TypeSystemClang::GetDisplayTypeName(lldb::opaque_compiler_type_t type) { |
| 3771 | if (!type) |
| 3772 | return ConstString(); |
| 3773 | |
| 3774 | clang::QualType qual_type(GetQualType(type)); |
| 3775 | clang::PrintingPolicy printing_policy(getASTContext().getPrintingPolicy()); |
| 3776 | printing_policy.SuppressTagKeyword = true; |
| 3777 | printing_policy.SuppressScope = false; |
| 3778 | printing_policy.SuppressUnwrittenScope = true; |
| 3779 | printing_policy.SuppressInlineNamespace = true; |
| 3780 | return ConstString(qual_type.getAsString(printing_policy)); |
| 3781 | } |
| 3782 | |
| 3783 | uint32_t |
| 3784 | TypeSystemClang::GetTypeInfo(lldb::opaque_compiler_type_t type, |
| 3785 | CompilerType *pointee_or_element_clang_type) { |
| 3786 | if (!type) |
| 3787 | return 0; |
| 3788 | |
| 3789 | if (pointee_or_element_clang_type) |
| 3790 | pointee_or_element_clang_type->Clear(); |
| 3791 | |
| 3792 | clang::QualType qual_type = |
| 3793 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}); |
| 3794 | |
| 3795 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 3796 | switch (type_class) { |
| 3797 | case clang::Type::Attributed: |
| 3798 | return GetTypeInfo( |
| 3799 | qual_type->getAs<clang::AttributedType>() |
| 3800 | ->getModifiedType().getAsOpaquePtr(), |
| 3801 | pointee_or_element_clang_type); |
| 3802 | case clang::Type::Builtin: { |
| 3803 | const clang::BuiltinType *builtin_type = llvm::dyn_cast<clang::BuiltinType>( |
| 3804 | qual_type->getCanonicalTypeInternal()); |
| 3805 | |
| 3806 | uint32_t builtin_type_flags = eTypeIsBuiltIn | eTypeHasValue; |
| 3807 | switch (builtin_type->getKind()) { |
| 3808 | case clang::BuiltinType::ObjCId: |
| 3809 | case clang::BuiltinType::ObjCClass: |
| 3810 | if (pointee_or_element_clang_type) |
| 3811 | pointee_or_element_clang_type->SetCompilerType( |
| 3812 | this, getASTContext().ObjCBuiltinClassTy.getAsOpaquePtr()); |
| 3813 | builtin_type_flags |= eTypeIsPointer | eTypeIsObjC; |
| 3814 | break; |
| 3815 | |
| 3816 | case clang::BuiltinType::ObjCSel: |
| 3817 | if (pointee_or_element_clang_type) |
| 3818 | pointee_or_element_clang_type->SetCompilerType( |
| 3819 | this, getASTContext().CharTy.getAsOpaquePtr()); |
| 3820 | builtin_type_flags |= eTypeIsPointer | eTypeIsObjC; |
| 3821 | break; |
| 3822 | |
| 3823 | case clang::BuiltinType::Bool: |
| 3824 | case clang::BuiltinType::Char_U: |
| 3825 | case clang::BuiltinType::UChar: |
| 3826 | case clang::BuiltinType::WChar_U: |
| 3827 | case clang::BuiltinType::Char16: |
| 3828 | case clang::BuiltinType::Char32: |
| 3829 | case clang::BuiltinType::UShort: |
| 3830 | case clang::BuiltinType::UInt: |
| 3831 | case clang::BuiltinType::ULong: |
| 3832 | case clang::BuiltinType::ULongLong: |
| 3833 | case clang::BuiltinType::UInt128: |
| 3834 | case clang::BuiltinType::Char_S: |
| 3835 | case clang::BuiltinType::SChar: |
| 3836 | case clang::BuiltinType::WChar_S: |
| 3837 | case clang::BuiltinType::Short: |
| 3838 | case clang::BuiltinType::Int: |
| 3839 | case clang::BuiltinType::Long: |
| 3840 | case clang::BuiltinType::LongLong: |
| 3841 | case clang::BuiltinType::Int128: |
| 3842 | case clang::BuiltinType::Float: |
| 3843 | case clang::BuiltinType::Double: |
| 3844 | case clang::BuiltinType::LongDouble: |
| 3845 | builtin_type_flags |= eTypeIsScalar; |
| 3846 | if (builtin_type->isInteger()) { |
| 3847 | builtin_type_flags |= eTypeIsInteger; |
| 3848 | if (builtin_type->isSignedInteger()) |
| 3849 | builtin_type_flags |= eTypeIsSigned; |
| 3850 | } else if (builtin_type->isFloatingPoint()) |
| 3851 | builtin_type_flags |= eTypeIsFloat; |
| 3852 | break; |
| 3853 | default: |
| 3854 | break; |
| 3855 | } |
| 3856 | return builtin_type_flags; |
| 3857 | } |
| 3858 | |
| 3859 | case clang::Type::BlockPointer: |
| 3860 | if (pointee_or_element_clang_type) |
| 3861 | pointee_or_element_clang_type->SetCompilerType( |
| 3862 | this, qual_type->getPointeeType().getAsOpaquePtr()); |
| 3863 | return eTypeIsPointer | eTypeHasChildren | eTypeIsBlock; |
| 3864 | |
| 3865 | case clang::Type::Complex: { |
| 3866 | uint32_t complex_type_flags = |
| 3867 | eTypeIsBuiltIn | eTypeHasValue | eTypeIsComplex; |
| 3868 | const clang::ComplexType *complex_type = llvm::dyn_cast<clang::ComplexType>( |
| 3869 | qual_type->getCanonicalTypeInternal()); |
| 3870 | if (complex_type) { |
| 3871 | clang::QualType complex_element_type(complex_type->getElementType()); |
| 3872 | if (complex_element_type->isIntegerType()) |
| 3873 | complex_type_flags |= eTypeIsFloat; |
| 3874 | else if (complex_element_type->isFloatingType()) |
| 3875 | complex_type_flags |= eTypeIsInteger; |
| 3876 | } |
| 3877 | return complex_type_flags; |
| 3878 | } break; |
| 3879 | |
| 3880 | case clang::Type::ConstantArray: |
| 3881 | case clang::Type::DependentSizedArray: |
| 3882 | case clang::Type::IncompleteArray: |
| 3883 | case clang::Type::VariableArray: |
| 3884 | if (pointee_or_element_clang_type) |
| 3885 | pointee_or_element_clang_type->SetCompilerType( |
| 3886 | this, llvm::cast<clang::ArrayType>(qual_type.getTypePtr()) |
| 3887 | ->getElementType() |
| 3888 | .getAsOpaquePtr()); |
| 3889 | return eTypeHasChildren | eTypeIsArray; |
| 3890 | |
| 3891 | case clang::Type::DependentName: |
| 3892 | return 0; |
| 3893 | case clang::Type::DependentSizedExtVector: |
| 3894 | return eTypeHasChildren | eTypeIsVector; |
| 3895 | case clang::Type::DependentTemplateSpecialization: |
| 3896 | return eTypeIsTemplate; |
| 3897 | |
| 3898 | case clang::Type::Enum: |
| 3899 | if (pointee_or_element_clang_type) |
| 3900 | pointee_or_element_clang_type->SetCompilerType( |
| 3901 | this, llvm::cast<clang::EnumType>(qual_type) |
| 3902 | ->getDecl() |
| 3903 | ->getIntegerType() |
| 3904 | .getAsOpaquePtr()); |
| 3905 | return eTypeIsEnumeration | eTypeHasValue; |
| 3906 | |
| 3907 | case clang::Type::FunctionProto: |
| 3908 | return eTypeIsFuncPrototype | eTypeHasValue; |
| 3909 | case clang::Type::FunctionNoProto: |
| 3910 | return eTypeIsFuncPrototype | eTypeHasValue; |
| 3911 | case clang::Type::InjectedClassName: |
| 3912 | return 0; |
| 3913 | |
| 3914 | case clang::Type::LValueReference: |
| 3915 | case clang::Type::RValueReference: |
| 3916 | if (pointee_or_element_clang_type) |
| 3917 | pointee_or_element_clang_type->SetCompilerType( |
| 3918 | this, llvm::cast<clang::ReferenceType>(qual_type.getTypePtr()) |
| 3919 | ->getPointeeType() |
| 3920 | .getAsOpaquePtr()); |
| 3921 | return eTypeHasChildren | eTypeIsReference | eTypeHasValue; |
| 3922 | |
| 3923 | case clang::Type::MemberPointer: |
| 3924 | return eTypeIsPointer | eTypeIsMember | eTypeHasValue; |
| 3925 | |
| 3926 | case clang::Type::ObjCObjectPointer: |
| 3927 | if (pointee_or_element_clang_type) |
| 3928 | pointee_or_element_clang_type->SetCompilerType( |
| 3929 | this, qual_type->getPointeeType().getAsOpaquePtr()); |
| 3930 | return eTypeHasChildren | eTypeIsObjC | eTypeIsClass | eTypeIsPointer | |
| 3931 | eTypeHasValue; |
| 3932 | |
| 3933 | case clang::Type::ObjCObject: |
| 3934 | return eTypeHasChildren | eTypeIsObjC | eTypeIsClass; |
| 3935 | case clang::Type::ObjCInterface: |
| 3936 | return eTypeHasChildren | eTypeIsObjC | eTypeIsClass; |
| 3937 | |
| 3938 | case clang::Type::Pointer: |
| 3939 | if (pointee_or_element_clang_type) |
| 3940 | pointee_or_element_clang_type->SetCompilerType( |
| 3941 | this, qual_type->getPointeeType().getAsOpaquePtr()); |
| 3942 | return eTypeHasChildren | eTypeIsPointer | eTypeHasValue; |
| 3943 | |
| 3944 | case clang::Type::Record: |
| 3945 | if (qual_type->getAsCXXRecordDecl()) |
| 3946 | return eTypeHasChildren | eTypeIsClass | eTypeIsCPlusPlus; |
| 3947 | else |
| 3948 | return eTypeHasChildren | eTypeIsStructUnion; |
| 3949 | break; |
| 3950 | case clang::Type::SubstTemplateTypeParm: |
| 3951 | return eTypeIsTemplate; |
| 3952 | case clang::Type::TemplateTypeParm: |
| 3953 | return eTypeIsTemplate; |
| 3954 | case clang::Type::TemplateSpecialization: |
| 3955 | return eTypeIsTemplate; |
| 3956 | |
| 3957 | case clang::Type::Typedef: |
| 3958 | return eTypeIsTypedef | GetType(llvm::cast<clang::TypedefType>(qual_type) |
| 3959 | ->getDecl() |
| 3960 | ->getUnderlyingType()) |
| 3961 | .GetTypeInfo(pointee_or_element_clang_type); |
| 3962 | case clang::Type::UnresolvedUsing: |
| 3963 | return 0; |
| 3964 | |
| 3965 | case clang::Type::ExtVector: |
| 3966 | case clang::Type::Vector: { |
| 3967 | uint32_t vector_type_flags = eTypeHasChildren | eTypeIsVector; |
| 3968 | const clang::VectorType *vector_type = llvm::dyn_cast<clang::VectorType>( |
| 3969 | qual_type->getCanonicalTypeInternal()); |
| 3970 | if (vector_type) { |
| 3971 | if (vector_type->isIntegerType()) |
| 3972 | vector_type_flags |= eTypeIsFloat; |
| 3973 | else if (vector_type->isFloatingType()) |
| 3974 | vector_type_flags |= eTypeIsInteger; |
| 3975 | } |
| 3976 | return vector_type_flags; |
| 3977 | } |
| 3978 | default: |
| 3979 | return 0; |
| 3980 | } |
| 3981 | return 0; |
| 3982 | } |
| 3983 | |
| 3984 | lldb::LanguageType |
| 3985 | TypeSystemClang::GetMinimumLanguage(lldb::opaque_compiler_type_t type) { |
| 3986 | if (!type) |
| 3987 | return lldb::eLanguageTypeC; |
| 3988 | |
| 3989 | // If the type is a reference, then resolve it to what it refers to first: |
| 3990 | clang::QualType qual_type(GetCanonicalQualType(type).getNonReferenceType()); |
| 3991 | if (qual_type->isAnyPointerType()) { |
| 3992 | if (qual_type->isObjCObjectPointerType()) |
| 3993 | return lldb::eLanguageTypeObjC; |
| 3994 | if (qual_type->getPointeeCXXRecordDecl()) |
| 3995 | return lldb::eLanguageTypeC_plus_plus; |
| 3996 | |
| 3997 | clang::QualType pointee_type(qual_type->getPointeeType()); |
| 3998 | if (pointee_type->getPointeeCXXRecordDecl()) |
| 3999 | return lldb::eLanguageTypeC_plus_plus; |
| 4000 | if (pointee_type->isObjCObjectOrInterfaceType()) |
| 4001 | return lldb::eLanguageTypeObjC; |
| 4002 | if (pointee_type->isObjCClassType()) |
| 4003 | return lldb::eLanguageTypeObjC; |
| 4004 | if (pointee_type.getTypePtr() == |
| 4005 | getASTContext().ObjCBuiltinIdTy.getTypePtr()) |
| 4006 | return lldb::eLanguageTypeObjC; |
| 4007 | } else { |
| 4008 | if (qual_type->isObjCObjectOrInterfaceType()) |
| 4009 | return lldb::eLanguageTypeObjC; |
| 4010 | if (qual_type->getAsCXXRecordDecl()) |
| 4011 | return lldb::eLanguageTypeC_plus_plus; |
| 4012 | switch (qual_type->getTypeClass()) { |
| 4013 | default: |
| 4014 | break; |
| 4015 | case clang::Type::Builtin: |
| 4016 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 4017 | default: |
| 4018 | case clang::BuiltinType::Void: |
| 4019 | case clang::BuiltinType::Bool: |
| 4020 | case clang::BuiltinType::Char_U: |
| 4021 | case clang::BuiltinType::UChar: |
| 4022 | case clang::BuiltinType::WChar_U: |
| 4023 | case clang::BuiltinType::Char16: |
| 4024 | case clang::BuiltinType::Char32: |
| 4025 | case clang::BuiltinType::UShort: |
| 4026 | case clang::BuiltinType::UInt: |
| 4027 | case clang::BuiltinType::ULong: |
| 4028 | case clang::BuiltinType::ULongLong: |
| 4029 | case clang::BuiltinType::UInt128: |
| 4030 | case clang::BuiltinType::Char_S: |
| 4031 | case clang::BuiltinType::SChar: |
| 4032 | case clang::BuiltinType::WChar_S: |
| 4033 | case clang::BuiltinType::Short: |
| 4034 | case clang::BuiltinType::Int: |
| 4035 | case clang::BuiltinType::Long: |
| 4036 | case clang::BuiltinType::LongLong: |
| 4037 | case clang::BuiltinType::Int128: |
| 4038 | case clang::BuiltinType::Float: |
| 4039 | case clang::BuiltinType::Double: |
| 4040 | case clang::BuiltinType::LongDouble: |
| 4041 | break; |
| 4042 | |
| 4043 | case clang::BuiltinType::NullPtr: |
| 4044 | return eLanguageTypeC_plus_plus; |
| 4045 | |
| 4046 | case clang::BuiltinType::ObjCId: |
| 4047 | case clang::BuiltinType::ObjCClass: |
| 4048 | case clang::BuiltinType::ObjCSel: |
| 4049 | return eLanguageTypeObjC; |
| 4050 | |
| 4051 | case clang::BuiltinType::Dependent: |
| 4052 | case clang::BuiltinType::Overload: |
| 4053 | case clang::BuiltinType::BoundMember: |
| 4054 | case clang::BuiltinType::UnknownAny: |
| 4055 | break; |
| 4056 | } |
| 4057 | break; |
| 4058 | case clang::Type::Typedef: |
| 4059 | return GetType(llvm::cast<clang::TypedefType>(qual_type) |
| 4060 | ->getDecl() |
| 4061 | ->getUnderlyingType()) |
| 4062 | .GetMinimumLanguage(); |
| 4063 | } |
| 4064 | } |
| 4065 | return lldb::eLanguageTypeC; |
| 4066 | } |
| 4067 | |
| 4068 | lldb::TypeClass |
| 4069 | TypeSystemClang::GetTypeClass(lldb::opaque_compiler_type_t type) { |
| 4070 | if (!type) |
| 4071 | return lldb::eTypeClassInvalid; |
| 4072 | |
| 4073 | clang::QualType qual_type = |
| 4074 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef}); |
| 4075 | |
| 4076 | switch (qual_type->getTypeClass()) { |
| 4077 | case clang::Type::Atomic: |
| 4078 | case clang::Type::Auto: |
| 4079 | case clang::Type::Decltype: |
| 4080 | case clang::Type::Elaborated: |
| 4081 | case clang::Type::Paren: |
| 4082 | case clang::Type::TypeOf: |
| 4083 | case clang::Type::TypeOfExpr: |
| 4084 | llvm_unreachable("Handled in RemoveWrappingTypes!")__builtin_unreachable(); |
| 4085 | case clang::Type::UnaryTransform: |
| 4086 | break; |
| 4087 | case clang::Type::FunctionNoProto: |
| 4088 | return lldb::eTypeClassFunction; |
| 4089 | case clang::Type::FunctionProto: |
| 4090 | return lldb::eTypeClassFunction; |
| 4091 | case clang::Type::IncompleteArray: |
| 4092 | return lldb::eTypeClassArray; |
| 4093 | case clang::Type::VariableArray: |
| 4094 | return lldb::eTypeClassArray; |
| 4095 | case clang::Type::ConstantArray: |
| 4096 | return lldb::eTypeClassArray; |
| 4097 | case clang::Type::DependentSizedArray: |
| 4098 | return lldb::eTypeClassArray; |
| 4099 | case clang::Type::DependentSizedExtVector: |
| 4100 | return lldb::eTypeClassVector; |
| 4101 | case clang::Type::DependentVector: |
| 4102 | return lldb::eTypeClassVector; |
| 4103 | case clang::Type::ExtVector: |
| 4104 | return lldb::eTypeClassVector; |
| 4105 | case clang::Type::Vector: |
| 4106 | return lldb::eTypeClassVector; |
| 4107 | case clang::Type::Builtin: |
| 4108 | // Ext-Int is just an integer type. |
| 4109 | case clang::Type::ExtInt: |
| 4110 | case clang::Type::DependentExtInt: |
| 4111 | return lldb::eTypeClassBuiltin; |
| 4112 | case clang::Type::ObjCObjectPointer: |
| 4113 | return lldb::eTypeClassObjCObjectPointer; |
| 4114 | case clang::Type::BlockPointer: |
| 4115 | return lldb::eTypeClassBlockPointer; |
| 4116 | case clang::Type::Pointer: |
| 4117 | return lldb::eTypeClassPointer; |
| 4118 | case clang::Type::LValueReference: |
| 4119 | return lldb::eTypeClassReference; |
| 4120 | case clang::Type::RValueReference: |
| 4121 | return lldb::eTypeClassReference; |
| 4122 | case clang::Type::MemberPointer: |
| 4123 | return lldb::eTypeClassMemberPointer; |
| 4124 | case clang::Type::Complex: |
| 4125 | if (qual_type->isComplexType()) |
| 4126 | return lldb::eTypeClassComplexFloat; |
| 4127 | else |
| 4128 | return lldb::eTypeClassComplexInteger; |
| 4129 | case clang::Type::ObjCObject: |
| 4130 | return lldb::eTypeClassObjCObject; |
| 4131 | case clang::Type::ObjCInterface: |
| 4132 | return lldb::eTypeClassObjCInterface; |
| 4133 | case clang::Type::Record: { |
| 4134 | const clang::RecordType *record_type = |
| 4135 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 4136 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 4137 | if (record_decl->isUnion()) |
| 4138 | return lldb::eTypeClassUnion; |
| 4139 | else if (record_decl->isStruct()) |
| 4140 | return lldb::eTypeClassStruct; |
| 4141 | else |
| 4142 | return lldb::eTypeClassClass; |
| 4143 | } break; |
| 4144 | case clang::Type::Enum: |
| 4145 | return lldb::eTypeClassEnumeration; |
| 4146 | case clang::Type::Typedef: |
| 4147 | return lldb::eTypeClassTypedef; |
| 4148 | case clang::Type::UnresolvedUsing: |
| 4149 | break; |
| 4150 | |
| 4151 | case clang::Type::Attributed: |
| 4152 | break; |
| 4153 | case clang::Type::TemplateTypeParm: |
| 4154 | break; |
| 4155 | case clang::Type::SubstTemplateTypeParm: |
| 4156 | break; |
| 4157 | case clang::Type::SubstTemplateTypeParmPack: |
| 4158 | break; |
| 4159 | case clang::Type::InjectedClassName: |
| 4160 | break; |
| 4161 | case clang::Type::DependentName: |
| 4162 | break; |
| 4163 | case clang::Type::DependentTemplateSpecialization: |
| 4164 | break; |
| 4165 | case clang::Type::PackExpansion: |
| 4166 | break; |
| 4167 | |
| 4168 | case clang::Type::TemplateSpecialization: |
| 4169 | break; |
| 4170 | case clang::Type::DeducedTemplateSpecialization: |
| 4171 | break; |
| 4172 | case clang::Type::Pipe: |
| 4173 | break; |
| 4174 | |
| 4175 | // pointer type decayed from an array or function type. |
| 4176 | case clang::Type::Decayed: |
| 4177 | break; |
| 4178 | case clang::Type::Adjusted: |
| 4179 | break; |
| 4180 | case clang::Type::ObjCTypeParam: |
| 4181 | break; |
| 4182 | |
| 4183 | case clang::Type::DependentAddressSpace: |
| 4184 | break; |
| 4185 | case clang::Type::MacroQualified: |
| 4186 | break; |
| 4187 | |
| 4188 | // Matrix types that we're not sure how to display at the moment. |
| 4189 | case clang::Type::ConstantMatrix: |
| 4190 | case clang::Type::DependentSizedMatrix: |
| 4191 | break; |
| 4192 | } |
| 4193 | // We don't know hot to display this type... |
| 4194 | return lldb::eTypeClassOther; |
| 4195 | } |
| 4196 | |
| 4197 | unsigned TypeSystemClang::GetTypeQualifiers(lldb::opaque_compiler_type_t type) { |
| 4198 | if (type) |
| 4199 | return GetQualType(type).getQualifiers().getCVRQualifiers(); |
| 4200 | return 0; |
| 4201 | } |
| 4202 | |
| 4203 | // Creating related types |
| 4204 | |
| 4205 | CompilerType |
| 4206 | TypeSystemClang::GetArrayElementType(lldb::opaque_compiler_type_t type, |
| 4207 | ExecutionContextScope *exe_scope) { |
| 4208 | if (type) { |
| 4209 | clang::QualType qual_type(GetQualType(type)); |
| 4210 | |
| 4211 | const clang::Type *array_eletype = |
| 4212 | qual_type.getTypePtr()->getArrayElementTypeNoTypeQual(); |
| 4213 | |
| 4214 | if (!array_eletype) |
| 4215 | return CompilerType(); |
| 4216 | |
| 4217 | return GetType(clang::QualType(array_eletype, 0)); |
| 4218 | } |
| 4219 | return CompilerType(); |
| 4220 | } |
| 4221 | |
| 4222 | CompilerType TypeSystemClang::GetArrayType(lldb::opaque_compiler_type_t type, |
| 4223 | uint64_t size) { |
| 4224 | if (type) { |
| 4225 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 4226 | clang::ASTContext &ast_ctx = getASTContext(); |
| 4227 | if (size != 0) |
| 4228 | return GetType(ast_ctx.getConstantArrayType( |
| 4229 | qual_type, llvm::APInt(64, size), nullptr, |
| 4230 | clang::ArrayType::ArraySizeModifier::Normal, 0)); |
| 4231 | else |
| 4232 | return GetType(ast_ctx.getIncompleteArrayType( |
| 4233 | qual_type, clang::ArrayType::ArraySizeModifier::Normal, 0)); |
| 4234 | } |
| 4235 | |
| 4236 | return CompilerType(); |
| 4237 | } |
| 4238 | |
| 4239 | CompilerType |
| 4240 | TypeSystemClang::GetCanonicalType(lldb::opaque_compiler_type_t type) { |
| 4241 | if (type) |
| 4242 | return GetType(GetCanonicalQualType(type)); |
| 4243 | return CompilerType(); |
| 4244 | } |
| 4245 | |
| 4246 | static clang::QualType GetFullyUnqualifiedType_Impl(clang::ASTContext *ast, |
| 4247 | clang::QualType qual_type) { |
| 4248 | if (qual_type->isPointerType()) |
| 4249 | qual_type = ast->getPointerType( |
| 4250 | GetFullyUnqualifiedType_Impl(ast, qual_type->getPointeeType())); |
| 4251 | else |
| 4252 | qual_type = qual_type.getUnqualifiedType(); |
| 4253 | qual_type.removeLocalConst(); |
| 4254 | qual_type.removeLocalRestrict(); |
| 4255 | qual_type.removeLocalVolatile(); |
| 4256 | return qual_type; |
| 4257 | } |
| 4258 | |
| 4259 | CompilerType |
| 4260 | TypeSystemClang::GetFullyUnqualifiedType(lldb::opaque_compiler_type_t type) { |
| 4261 | if (type) |
| 4262 | return GetType( |
| 4263 | GetFullyUnqualifiedType_Impl(&getASTContext(), GetQualType(type))); |
| 4264 | return CompilerType(); |
| 4265 | } |
| 4266 | |
| 4267 | CompilerType |
| 4268 | TypeSystemClang::GetEnumerationIntegerType(lldb::opaque_compiler_type_t type) { |
| 4269 | if (type) |
| 4270 | return GetEnumerationIntegerType(GetType(GetCanonicalQualType(type))); |
| 4271 | return CompilerType(); |
| 4272 | } |
| 4273 | |
| 4274 | int TypeSystemClang::GetFunctionArgumentCount( |
| 4275 | lldb::opaque_compiler_type_t type) { |
| 4276 | if (type) { |
| 4277 | const clang::FunctionProtoType *func = |
| 4278 | llvm::dyn_cast<clang::FunctionProtoType>(GetCanonicalQualType(type)); |
| 4279 | if (func) |
| 4280 | return func->getNumParams(); |
| 4281 | } |
| 4282 | return -1; |
| 4283 | } |
| 4284 | |
| 4285 | CompilerType TypeSystemClang::GetFunctionArgumentTypeAtIndex( |
| 4286 | lldb::opaque_compiler_type_t type, size_t idx) { |
| 4287 | if (type) { |
| 4288 | const clang::FunctionProtoType *func = |
| 4289 | llvm::dyn_cast<clang::FunctionProtoType>(GetQualType(type)); |
| 4290 | if (func) { |
| 4291 | const uint32_t num_args = func->getNumParams(); |
| 4292 | if (idx < num_args) |
| 4293 | return GetType(func->getParamType(idx)); |
| 4294 | } |
| 4295 | } |
| 4296 | return CompilerType(); |
| 4297 | } |
| 4298 | |
| 4299 | CompilerType |
| 4300 | TypeSystemClang::GetFunctionReturnType(lldb::opaque_compiler_type_t type) { |
| 4301 | if (type) { |
| 4302 | clang::QualType qual_type(GetQualType(type)); |
| 4303 | const clang::FunctionProtoType *func = |
| 4304 | llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); |
| 4305 | if (func) |
| 4306 | return GetType(func->getReturnType()); |
| 4307 | } |
| 4308 | return CompilerType(); |
| 4309 | } |
| 4310 | |
| 4311 | size_t |
| 4312 | TypeSystemClang::GetNumMemberFunctions(lldb::opaque_compiler_type_t type) { |
| 4313 | size_t num_functions = 0; |
| 4314 | if (type) { |
| 4315 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 4316 | switch (qual_type->getTypeClass()) { |
| 4317 | case clang::Type::Record: |
| 4318 | if (GetCompleteQualType(&getASTContext(), qual_type)) { |
| 4319 | const clang::RecordType *record_type = |
| 4320 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 4321 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 4322 | assert(record_decl)((void)0); |
| 4323 | const clang::CXXRecordDecl *cxx_record_decl = |
| 4324 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 4325 | if (cxx_record_decl) |
| 4326 | num_functions = std::distance(cxx_record_decl->method_begin(), |
| 4327 | cxx_record_decl->method_end()); |
| 4328 | } |
| 4329 | break; |
| 4330 | |
| 4331 | case clang::Type::ObjCObjectPointer: { |
| 4332 | const clang::ObjCObjectPointerType *objc_class_type = |
| 4333 | qual_type->getAs<clang::ObjCObjectPointerType>(); |
| 4334 | const clang::ObjCInterfaceType *objc_interface_type = |
| 4335 | objc_class_type->getInterfaceType(); |
| 4336 | if (objc_interface_type && |
| 4337 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( |
| 4338 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { |
| 4339 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 4340 | objc_interface_type->getDecl(); |
| 4341 | if (class_interface_decl) { |
| 4342 | num_functions = std::distance(class_interface_decl->meth_begin(), |
| 4343 | class_interface_decl->meth_end()); |
| 4344 | } |
| 4345 | } |
| 4346 | break; |
| 4347 | } |
| 4348 | |
| 4349 | case clang::Type::ObjCObject: |
| 4350 | case clang::Type::ObjCInterface: |
| 4351 | if (GetCompleteType(type)) { |
| 4352 | const clang::ObjCObjectType *objc_class_type = |
| 4353 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 4354 | if (objc_class_type) { |
| 4355 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 4356 | objc_class_type->getInterface(); |
| 4357 | if (class_interface_decl) |
| 4358 | num_functions = std::distance(class_interface_decl->meth_begin(), |
| 4359 | class_interface_decl->meth_end()); |
| 4360 | } |
| 4361 | } |
| 4362 | break; |
| 4363 | |
| 4364 | default: |
| 4365 | break; |
| 4366 | } |
| 4367 | } |
| 4368 | return num_functions; |
| 4369 | } |
| 4370 | |
| 4371 | TypeMemberFunctionImpl |
| 4372 | TypeSystemClang::GetMemberFunctionAtIndex(lldb::opaque_compiler_type_t type, |
| 4373 | size_t idx) { |
| 4374 | std::string name; |
| 4375 | MemberFunctionKind kind(MemberFunctionKind::eMemberFunctionKindUnknown); |
| 4376 | CompilerType clang_type; |
| 4377 | CompilerDecl clang_decl; |
| 4378 | if (type) { |
| 4379 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 4380 | switch (qual_type->getTypeClass()) { |
| 4381 | case clang::Type::Record: |
| 4382 | if (GetCompleteQualType(&getASTContext(), qual_type)) { |
| 4383 | const clang::RecordType *record_type = |
| 4384 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 4385 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 4386 | assert(record_decl)((void)0); |
| 4387 | const clang::CXXRecordDecl *cxx_record_decl = |
| 4388 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 4389 | if (cxx_record_decl) { |
| 4390 | auto method_iter = cxx_record_decl->method_begin(); |
| 4391 | auto method_end = cxx_record_decl->method_end(); |
| 4392 | if (idx < |
| 4393 | static_cast<size_t>(std::distance(method_iter, method_end))) { |
| 4394 | std::advance(method_iter, idx); |
| 4395 | clang::CXXMethodDecl *cxx_method_decl = |
| 4396 | method_iter->getCanonicalDecl(); |
| 4397 | if (cxx_method_decl) { |
| 4398 | name = cxx_method_decl->getDeclName().getAsString(); |
| 4399 | if (cxx_method_decl->isStatic()) |
| 4400 | kind = lldb::eMemberFunctionKindStaticMethod; |
| 4401 | else if (llvm::isa<clang::CXXConstructorDecl>(cxx_method_decl)) |
| 4402 | kind = lldb::eMemberFunctionKindConstructor; |
| 4403 | else if (llvm::isa<clang::CXXDestructorDecl>(cxx_method_decl)) |
| 4404 | kind = lldb::eMemberFunctionKindDestructor; |
| 4405 | else |
| 4406 | kind = lldb::eMemberFunctionKindInstanceMethod; |
| 4407 | clang_type = GetType(cxx_method_decl->getType()); |
| 4408 | clang_decl = GetCompilerDecl(cxx_method_decl); |
| 4409 | } |
| 4410 | } |
| 4411 | } |
| 4412 | } |
| 4413 | break; |
| 4414 | |
| 4415 | case clang::Type::ObjCObjectPointer: { |
| 4416 | const clang::ObjCObjectPointerType *objc_class_type = |
| 4417 | qual_type->getAs<clang::ObjCObjectPointerType>(); |
| 4418 | const clang::ObjCInterfaceType *objc_interface_type = |
| 4419 | objc_class_type->getInterfaceType(); |
| 4420 | if (objc_interface_type && |
| 4421 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( |
| 4422 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { |
| 4423 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 4424 | objc_interface_type->getDecl(); |
| 4425 | if (class_interface_decl) { |
| 4426 | auto method_iter = class_interface_decl->meth_begin(); |
| 4427 | auto method_end = class_interface_decl->meth_end(); |
| 4428 | if (idx < |
| 4429 | static_cast<size_t>(std::distance(method_iter, method_end))) { |
| 4430 | std::advance(method_iter, idx); |
| 4431 | clang::ObjCMethodDecl *objc_method_decl = |
| 4432 | method_iter->getCanonicalDecl(); |
| 4433 | if (objc_method_decl) { |
| 4434 | clang_decl = GetCompilerDecl(objc_method_decl); |
| 4435 | name = objc_method_decl->getSelector().getAsString(); |
| 4436 | if (objc_method_decl->isClassMethod()) |
| 4437 | kind = lldb::eMemberFunctionKindStaticMethod; |
| 4438 | else |
| 4439 | kind = lldb::eMemberFunctionKindInstanceMethod; |
| 4440 | } |
| 4441 | } |
| 4442 | } |
| 4443 | } |
| 4444 | break; |
| 4445 | } |
| 4446 | |
| 4447 | case clang::Type::ObjCObject: |
| 4448 | case clang::Type::ObjCInterface: |
| 4449 | if (GetCompleteType(type)) { |
| 4450 | const clang::ObjCObjectType *objc_class_type = |
| 4451 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 4452 | if (objc_class_type) { |
| 4453 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 4454 | objc_class_type->getInterface(); |
| 4455 | if (class_interface_decl) { |
| 4456 | auto method_iter = class_interface_decl->meth_begin(); |
| 4457 | auto method_end = class_interface_decl->meth_end(); |
| 4458 | if (idx < |
| 4459 | static_cast<size_t>(std::distance(method_iter, method_end))) { |
| 4460 | std::advance(method_iter, idx); |
| 4461 | clang::ObjCMethodDecl *objc_method_decl = |
| 4462 | method_iter->getCanonicalDecl(); |
| 4463 | if (objc_method_decl) { |
| 4464 | clang_decl = GetCompilerDecl(objc_method_decl); |
| 4465 | name = objc_method_decl->getSelector().getAsString(); |
| 4466 | if (objc_method_decl->isClassMethod()) |
| 4467 | kind = lldb::eMemberFunctionKindStaticMethod; |
| 4468 | else |
| 4469 | kind = lldb::eMemberFunctionKindInstanceMethod; |
| 4470 | } |
| 4471 | } |
| 4472 | } |
| 4473 | } |
| 4474 | } |
| 4475 | break; |
| 4476 | |
| 4477 | default: |
| 4478 | break; |
| 4479 | } |
| 4480 | } |
| 4481 | |
| 4482 | if (kind == eMemberFunctionKindUnknown) |
| 4483 | return TypeMemberFunctionImpl(); |
| 4484 | else |
| 4485 | return TypeMemberFunctionImpl(clang_type, clang_decl, name, kind); |
| 4486 | } |
| 4487 | |
| 4488 | CompilerType |
| 4489 | TypeSystemClang::GetNonReferenceType(lldb::opaque_compiler_type_t type) { |
| 4490 | if (type) |
| 4491 | return GetType(GetQualType(type).getNonReferenceType()); |
| 4492 | return CompilerType(); |
| 4493 | } |
| 4494 | |
| 4495 | CompilerType |
| 4496 | TypeSystemClang::GetPointeeType(lldb::opaque_compiler_type_t type) { |
| 4497 | if (type) { |
| 4498 | clang::QualType qual_type(GetQualType(type)); |
| 4499 | return GetType(qual_type.getTypePtr()->getPointeeType()); |
| 4500 | } |
| 4501 | return CompilerType(); |
| 4502 | } |
| 4503 | |
| 4504 | CompilerType |
| 4505 | TypeSystemClang::GetPointerType(lldb::opaque_compiler_type_t type) { |
| 4506 | if (type) { |
| 4507 | clang::QualType qual_type(GetQualType(type)); |
| 4508 | |
| 4509 | switch (qual_type.getDesugaredType(getASTContext())->getTypeClass()) { |
| 4510 | case clang::Type::ObjCObject: |
| 4511 | case clang::Type::ObjCInterface: |
| 4512 | return GetType(getASTContext().getObjCObjectPointerType(qual_type)); |
| 4513 | |
| 4514 | default: |
| 4515 | return GetType(getASTContext().getPointerType(qual_type)); |
| 4516 | } |
| 4517 | } |
| 4518 | return CompilerType(); |
| 4519 | } |
| 4520 | |
| 4521 | CompilerType |
| 4522 | TypeSystemClang::GetLValueReferenceType(lldb::opaque_compiler_type_t type) { |
| 4523 | if (type) |
| 4524 | return GetType(getASTContext().getLValueReferenceType(GetQualType(type))); |
| 4525 | else |
| 4526 | return CompilerType(); |
| 4527 | } |
| 4528 | |
| 4529 | CompilerType |
| 4530 | TypeSystemClang::GetRValueReferenceType(lldb::opaque_compiler_type_t type) { |
| 4531 | if (type) |
| 4532 | return GetType(getASTContext().getRValueReferenceType(GetQualType(type))); |
| 4533 | else |
| 4534 | return CompilerType(); |
| 4535 | } |
| 4536 | |
| 4537 | CompilerType TypeSystemClang::GetAtomicType(lldb::opaque_compiler_type_t type) { |
| 4538 | if (!type) |
| 4539 | return CompilerType(); |
| 4540 | return GetType(getASTContext().getAtomicType(GetQualType(type))); |
| 4541 | } |
| 4542 | |
| 4543 | CompilerType |
| 4544 | TypeSystemClang::AddConstModifier(lldb::opaque_compiler_type_t type) { |
| 4545 | if (type) { |
| 4546 | clang::QualType result(GetQualType(type)); |
| 4547 | result.addConst(); |
| 4548 | return GetType(result); |
| 4549 | } |
| 4550 | return CompilerType(); |
| 4551 | } |
| 4552 | |
| 4553 | CompilerType |
| 4554 | TypeSystemClang::AddVolatileModifier(lldb::opaque_compiler_type_t type) { |
| 4555 | if (type) { |
| 4556 | clang::QualType result(GetQualType(type)); |
| 4557 | result.addVolatile(); |
| 4558 | return GetType(result); |
| 4559 | } |
| 4560 | return CompilerType(); |
| 4561 | } |
| 4562 | |
| 4563 | CompilerType |
| 4564 | TypeSystemClang::AddRestrictModifier(lldb::opaque_compiler_type_t type) { |
| 4565 | if (type) { |
| 4566 | clang::QualType result(GetQualType(type)); |
| 4567 | result.addRestrict(); |
| 4568 | return GetType(result); |
| 4569 | } |
| 4570 | return CompilerType(); |
| 4571 | } |
| 4572 | |
| 4573 | CompilerType TypeSystemClang::CreateTypedef( |
| 4574 | lldb::opaque_compiler_type_t type, const char *typedef_name, |
| 4575 | const CompilerDeclContext &compiler_decl_ctx, uint32_t payload) { |
| 4576 | if (type && typedef_name && typedef_name[0]) { |
| 4577 | clang::ASTContext &clang_ast = getASTContext(); |
| 4578 | clang::QualType qual_type(GetQualType(type)); |
| 4579 | |
| 4580 | clang::DeclContext *decl_ctx = |
| 4581 | TypeSystemClang::DeclContextGetAsDeclContext(compiler_decl_ctx); |
| 4582 | if (!decl_ctx) |
| 4583 | decl_ctx = getASTContext().getTranslationUnitDecl(); |
| 4584 | |
| 4585 | clang::TypedefDecl *decl = |
| 4586 | clang::TypedefDecl::CreateDeserialized(clang_ast, 0); |
| 4587 | decl->setDeclContext(decl_ctx); |
| 4588 | decl->setDeclName(&clang_ast.Idents.get(typedef_name)); |
| 4589 | decl->setTypeSourceInfo(clang_ast.getTrivialTypeSourceInfo(qual_type)); |
| 4590 | decl_ctx->addDecl(decl); |
| 4591 | SetOwningModule(decl, TypePayloadClang(payload).GetOwningModule()); |
| 4592 | |
| 4593 | clang::TagDecl *tdecl = nullptr; |
| 4594 | if (!qual_type.isNull()) { |
| 4595 | if (const clang::RecordType *rt = qual_type->getAs<clang::RecordType>()) |
| 4596 | tdecl = rt->getDecl(); |
| 4597 | if (const clang::EnumType *et = qual_type->getAs<clang::EnumType>()) |
| 4598 | tdecl = et->getDecl(); |
| 4599 | } |
| 4600 | |
| 4601 | // Check whether this declaration is an anonymous struct, union, or enum, |
| 4602 | // hidden behind a typedef. If so, we try to check whether we have a |
| 4603 | // typedef tag to attach to the original record declaration |
| 4604 | if (tdecl && !tdecl->getIdentifier() && !tdecl->getTypedefNameForAnonDecl()) |
| 4605 | tdecl->setTypedefNameForAnonDecl(decl); |
| 4606 | |
| 4607 | decl->setAccess(clang::AS_public); // TODO respect proper access specifier |
| 4608 | |
| 4609 | // Get a uniqued clang::QualType for the typedef decl type |
| 4610 | return GetType(clang_ast.getTypedefType(decl)); |
| 4611 | } |
| 4612 | return CompilerType(); |
| 4613 | } |
| 4614 | |
| 4615 | CompilerType |
| 4616 | TypeSystemClang::GetTypedefedType(lldb::opaque_compiler_type_t type) { |
| 4617 | if (type) { |
| 4618 | const clang::TypedefType *typedef_type = llvm::dyn_cast<clang::TypedefType>( |
| 4619 | RemoveWrappingTypes(GetQualType(type), {clang::Type::Typedef})); |
| 4620 | if (typedef_type) |
| 4621 | return GetType(typedef_type->getDecl()->getUnderlyingType()); |
| 4622 | } |
| 4623 | return CompilerType(); |
| 4624 | } |
| 4625 | |
| 4626 | // Create related types using the current type's AST |
| 4627 | |
| 4628 | CompilerType TypeSystemClang::GetBasicTypeFromAST(lldb::BasicType basic_type) { |
| 4629 | return TypeSystemClang::GetBasicType(basic_type); |
| 4630 | } |
| 4631 | // Exploring the type |
| 4632 | |
| 4633 | const llvm::fltSemantics & |
| 4634 | TypeSystemClang::GetFloatTypeSemantics(size_t byte_size) { |
| 4635 | clang::ASTContext &ast = getASTContext(); |
| 4636 | const size_t bit_size = byte_size * 8; |
| 4637 | if (bit_size == ast.getTypeSize(ast.FloatTy)) |
| 4638 | return ast.getFloatTypeSemantics(ast.FloatTy); |
| 4639 | else if (bit_size == ast.getTypeSize(ast.DoubleTy)) |
| 4640 | return ast.getFloatTypeSemantics(ast.DoubleTy); |
| 4641 | else if (bit_size == ast.getTypeSize(ast.LongDoubleTy)) |
| 4642 | return ast.getFloatTypeSemantics(ast.LongDoubleTy); |
| 4643 | else if (bit_size == ast.getTypeSize(ast.HalfTy)) |
| 4644 | return ast.getFloatTypeSemantics(ast.HalfTy); |
| 4645 | return llvm::APFloatBase::Bogus(); |
| 4646 | } |
| 4647 | |
| 4648 | Optional<uint64_t> |
| 4649 | TypeSystemClang::GetBitSize(lldb::opaque_compiler_type_t type, |
| 4650 | ExecutionContextScope *exe_scope) { |
| 4651 | if (GetCompleteType(type)) { |
| 4652 | clang::QualType qual_type(GetCanonicalQualType(type)); |
| 4653 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 4654 | switch (type_class) { |
| 4655 | case clang::Type::Record: |
| 4656 | if (GetCompleteType(type)) |
| 4657 | return getASTContext().getTypeSize(qual_type); |
| 4658 | else |
| 4659 | return None; |
| 4660 | break; |
| 4661 | |
| 4662 | case clang::Type::ObjCInterface: |
| 4663 | case clang::Type::ObjCObject: { |
| 4664 | ExecutionContext exe_ctx(exe_scope); |
| 4665 | Process *process = exe_ctx.GetProcessPtr(); |
| 4666 | if (process) { |
| 4667 | ObjCLanguageRuntime *objc_runtime = ObjCLanguageRuntime::Get(*process); |
| 4668 | if (objc_runtime) { |
| 4669 | uint64_t bit_size = 0; |
| 4670 | if (objc_runtime->GetTypeBitSize(GetType(qual_type), bit_size)) |
| 4671 | return bit_size; |
| 4672 | } |
| 4673 | } else { |
| 4674 | static bool g_printed = false; |
| 4675 | if (!g_printed) { |
| 4676 | StreamString s; |
| 4677 | DumpTypeDescription(type, &s); |
| 4678 | |
| 4679 | llvm::outs() << "warning: trying to determine the size of type "; |
| 4680 | llvm::outs() << s.GetString() << "\n"; |
| 4681 | llvm::outs() << "without a valid ExecutionContext. this is not " |
| 4682 | "reliable. please file a bug against LLDB.\n"; |
| 4683 | llvm::outs() << "backtrace:\n"; |
| 4684 | llvm::sys::PrintStackTrace(llvm::outs()); |
| 4685 | llvm::outs() << "\n"; |
| 4686 | g_printed = true; |
| 4687 | } |
| 4688 | } |
| 4689 | } |
| 4690 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
| 4691 | default: |
| 4692 | const uint32_t bit_size = getASTContext().getTypeSize(qual_type); |
| 4693 | if (bit_size == 0) { |
| 4694 | if (qual_type->isIncompleteArrayType()) |
| 4695 | return getASTContext().getTypeSize( |
| 4696 | qual_type->getArrayElementTypeNoTypeQual() |
| 4697 | ->getCanonicalTypeUnqualified()); |
| 4698 | } |
| 4699 | if (qual_type->isObjCObjectOrInterfaceType()) |
| 4700 | return bit_size + |
| 4701 | getASTContext().getTypeSize(getASTContext().ObjCBuiltinClassTy); |
| 4702 | // Function types actually have a size of 0, that's not an error. |
| 4703 | if (qual_type->isFunctionProtoType()) |
| 4704 | return bit_size; |
| 4705 | if (bit_size) |
| 4706 | return bit_size; |
| 4707 | } |
| 4708 | } |
| 4709 | return None; |
| 4710 | } |
| 4711 | |
| 4712 | llvm::Optional<size_t> |
| 4713 | TypeSystemClang::GetTypeBitAlign(lldb::opaque_compiler_type_t type, |
| 4714 | ExecutionContextScope *exe_scope) { |
| 4715 | if (GetCompleteType(type)) |
| 4716 | return getASTContext().getTypeAlign(GetQualType(type)); |
| 4717 | return {}; |
| 4718 | } |
| 4719 | |
| 4720 | lldb::Encoding TypeSystemClang::GetEncoding(lldb::opaque_compiler_type_t type, |
| 4721 | uint64_t &count) { |
| 4722 | if (!type) |
| 4723 | return lldb::eEncodingInvalid; |
| 4724 | |
| 4725 | count = 1; |
| 4726 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 4727 | |
| 4728 | switch (qual_type->getTypeClass()) { |
| 4729 | case clang::Type::Atomic: |
| 4730 | case clang::Type::Auto: |
| 4731 | case clang::Type::Decltype: |
| 4732 | case clang::Type::Elaborated: |
| 4733 | case clang::Type::Paren: |
| 4734 | case clang::Type::Typedef: |
| 4735 | case clang::Type::TypeOf: |
| 4736 | case clang::Type::TypeOfExpr: |
| 4737 | llvm_unreachable("Handled in RemoveWrappingTypes!")__builtin_unreachable(); |
| 4738 | |
| 4739 | case clang::Type::UnaryTransform: |
| 4740 | break; |
| 4741 | |
| 4742 | case clang::Type::FunctionNoProto: |
| 4743 | case clang::Type::FunctionProto: |
| 4744 | break; |
| 4745 | |
| 4746 | case clang::Type::IncompleteArray: |
| 4747 | case clang::Type::VariableArray: |
| 4748 | break; |
| 4749 | |
| 4750 | case clang::Type::ConstantArray: |
| 4751 | break; |
| 4752 | |
| 4753 | case clang::Type::DependentVector: |
| 4754 | case clang::Type::ExtVector: |
| 4755 | case clang::Type::Vector: |
| 4756 | // TODO: Set this to more than one??? |
| 4757 | break; |
| 4758 | |
| 4759 | case clang::Type::ExtInt: |
| 4760 | case clang::Type::DependentExtInt: |
| 4761 | return qual_type->isUnsignedIntegerType() ? lldb::eEncodingUint |
| 4762 | : lldb::eEncodingSint; |
| 4763 | |
| 4764 | case clang::Type::Builtin: |
| 4765 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 4766 | case clang::BuiltinType::Void: |
| 4767 | break; |
| 4768 | |
| 4769 | case clang::BuiltinType::Char_S: |
| 4770 | case clang::BuiltinType::SChar: |
| 4771 | case clang::BuiltinType::WChar_S: |
| 4772 | case clang::BuiltinType::Short: |
| 4773 | case clang::BuiltinType::Int: |
| 4774 | case clang::BuiltinType::Long: |
| 4775 | case clang::BuiltinType::LongLong: |
| 4776 | case clang::BuiltinType::Int128: |
| 4777 | return lldb::eEncodingSint; |
| 4778 | |
| 4779 | case clang::BuiltinType::Bool: |
| 4780 | case clang::BuiltinType::Char_U: |
| 4781 | case clang::BuiltinType::UChar: |
| 4782 | case clang::BuiltinType::WChar_U: |
| 4783 | case clang::BuiltinType::Char8: |
| 4784 | case clang::BuiltinType::Char16: |
| 4785 | case clang::BuiltinType::Char32: |
| 4786 | case clang::BuiltinType::UShort: |
| 4787 | case clang::BuiltinType::UInt: |
| 4788 | case clang::BuiltinType::ULong: |
| 4789 | case clang::BuiltinType::ULongLong: |
| 4790 | case clang::BuiltinType::UInt128: |
| 4791 | return lldb::eEncodingUint; |
| 4792 | |
| 4793 | // Fixed point types. Note that they are currently ignored. |
| 4794 | case clang::BuiltinType::ShortAccum: |
| 4795 | case clang::BuiltinType::Accum: |
| 4796 | case clang::BuiltinType::LongAccum: |
| 4797 | case clang::BuiltinType::UShortAccum: |
| 4798 | case clang::BuiltinType::UAccum: |
| 4799 | case clang::BuiltinType::ULongAccum: |
| 4800 | case clang::BuiltinType::ShortFract: |
| 4801 | case clang::BuiltinType::Fract: |
| 4802 | case clang::BuiltinType::LongFract: |
| 4803 | case clang::BuiltinType::UShortFract: |
| 4804 | case clang::BuiltinType::UFract: |
| 4805 | case clang::BuiltinType::ULongFract: |
| 4806 | case clang::BuiltinType::SatShortAccum: |
| 4807 | case clang::BuiltinType::SatAccum: |
| 4808 | case clang::BuiltinType::SatLongAccum: |
| 4809 | case clang::BuiltinType::SatUShortAccum: |
| 4810 | case clang::BuiltinType::SatUAccum: |
| 4811 | case clang::BuiltinType::SatULongAccum: |
| 4812 | case clang::BuiltinType::SatShortFract: |
| 4813 | case clang::BuiltinType::SatFract: |
| 4814 | case clang::BuiltinType::SatLongFract: |
| 4815 | case clang::BuiltinType::SatUShortFract: |
| 4816 | case clang::BuiltinType::SatUFract: |
| 4817 | case clang::BuiltinType::SatULongFract: |
| 4818 | break; |
| 4819 | |
| 4820 | case clang::BuiltinType::Half: |
| 4821 | case clang::BuiltinType::Float: |
| 4822 | case clang::BuiltinType::Float16: |
| 4823 | case clang::BuiltinType::Float128: |
| 4824 | case clang::BuiltinType::Double: |
| 4825 | case clang::BuiltinType::LongDouble: |
| 4826 | case clang::BuiltinType::BFloat16: |
| 4827 | return lldb::eEncodingIEEE754; |
| 4828 | |
| 4829 | case clang::BuiltinType::ObjCClass: |
| 4830 | case clang::BuiltinType::ObjCId: |
| 4831 | case clang::BuiltinType::ObjCSel: |
| 4832 | return lldb::eEncodingUint; |
| 4833 | |
| 4834 | case clang::BuiltinType::NullPtr: |
| 4835 | return lldb::eEncodingUint; |
| 4836 | |
| 4837 | case clang::BuiltinType::Kind::ARCUnbridgedCast: |
| 4838 | case clang::BuiltinType::Kind::BoundMember: |
| 4839 | case clang::BuiltinType::Kind::BuiltinFn: |
| 4840 | case clang::BuiltinType::Kind::Dependent: |
| 4841 | case clang::BuiltinType::Kind::OCLClkEvent: |
| 4842 | case clang::BuiltinType::Kind::OCLEvent: |
| 4843 | case clang::BuiltinType::Kind::OCLImage1dRO: |
| 4844 | case clang::BuiltinType::Kind::OCLImage1dWO: |
| 4845 | case clang::BuiltinType::Kind::OCLImage1dRW: |
| 4846 | case clang::BuiltinType::Kind::OCLImage1dArrayRO: |
| 4847 | case clang::BuiltinType::Kind::OCLImage1dArrayWO: |
| 4848 | case clang::BuiltinType::Kind::OCLImage1dArrayRW: |
| 4849 | case clang::BuiltinType::Kind::OCLImage1dBufferRO: |
| 4850 | case clang::BuiltinType::Kind::OCLImage1dBufferWO: |
| 4851 | case clang::BuiltinType::Kind::OCLImage1dBufferRW: |
| 4852 | case clang::BuiltinType::Kind::OCLImage2dRO: |
| 4853 | case clang::BuiltinType::Kind::OCLImage2dWO: |
| 4854 | case clang::BuiltinType::Kind::OCLImage2dRW: |
| 4855 | case clang::BuiltinType::Kind::OCLImage2dArrayRO: |
| 4856 | case clang::BuiltinType::Kind::OCLImage2dArrayWO: |
| 4857 | case clang::BuiltinType::Kind::OCLImage2dArrayRW: |
| 4858 | case clang::BuiltinType::Kind::OCLImage2dArrayDepthRO: |
| 4859 | case clang::BuiltinType::Kind::OCLImage2dArrayDepthWO: |
| 4860 | case clang::BuiltinType::Kind::OCLImage2dArrayDepthRW: |
| 4861 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAARO: |
| 4862 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAAWO: |
| 4863 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAARW: |
| 4864 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAADepthRO: |
| 4865 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAADepthWO: |
| 4866 | case clang::BuiltinType::Kind::OCLImage2dArrayMSAADepthRW: |
| 4867 | case clang::BuiltinType::Kind::OCLImage2dDepthRO: |
| 4868 | case clang::BuiltinType::Kind::OCLImage2dDepthWO: |
| 4869 | case clang::BuiltinType::Kind::OCLImage2dDepthRW: |
| 4870 | case clang::BuiltinType::Kind::OCLImage2dMSAARO: |
| 4871 | case clang::BuiltinType::Kind::OCLImage2dMSAAWO: |
| 4872 | case clang::BuiltinType::Kind::OCLImage2dMSAARW: |
| 4873 | case clang::BuiltinType::Kind::OCLImage2dMSAADepthRO: |
| 4874 | case clang::BuiltinType::Kind::OCLImage2dMSAADepthWO: |
| 4875 | case clang::BuiltinType::Kind::OCLImage2dMSAADepthRW: |
| 4876 | case clang::BuiltinType::Kind::OCLImage3dRO: |
| 4877 | case clang::BuiltinType::Kind::OCLImage3dWO: |
| 4878 | case clang::BuiltinType::Kind::OCLImage3dRW: |
| 4879 | case clang::BuiltinType::Kind::OCLQueue: |
| 4880 | case clang::BuiltinType::Kind::OCLReserveID: |
| 4881 | case clang::BuiltinType::Kind::OCLSampler: |
| 4882 | case clang::BuiltinType::Kind::OMPArraySection: |
| 4883 | case clang::BuiltinType::Kind::OMPArrayShaping: |
| 4884 | case clang::BuiltinType::Kind::OMPIterator: |
| 4885 | case clang::BuiltinType::Kind::Overload: |
| 4886 | case clang::BuiltinType::Kind::PseudoObject: |
| 4887 | case clang::BuiltinType::Kind::UnknownAny: |
| 4888 | break; |
| 4889 | |
| 4890 | case clang::BuiltinType::OCLIntelSubgroupAVCMcePayload: |
| 4891 | case clang::BuiltinType::OCLIntelSubgroupAVCImePayload: |
| 4892 | case clang::BuiltinType::OCLIntelSubgroupAVCRefPayload: |
| 4893 | case clang::BuiltinType::OCLIntelSubgroupAVCSicPayload: |
| 4894 | case clang::BuiltinType::OCLIntelSubgroupAVCMceResult: |
| 4895 | case clang::BuiltinType::OCLIntelSubgroupAVCImeResult: |
| 4896 | case clang::BuiltinType::OCLIntelSubgroupAVCRefResult: |
| 4897 | case clang::BuiltinType::OCLIntelSubgroupAVCSicResult: |
| 4898 | case clang::BuiltinType::OCLIntelSubgroupAVCImeResultSingleRefStreamout: |
| 4899 | case clang::BuiltinType::OCLIntelSubgroupAVCImeResultDualRefStreamout: |
| 4900 | case clang::BuiltinType::OCLIntelSubgroupAVCImeSingleRefStreamin: |
| 4901 | case clang::BuiltinType::OCLIntelSubgroupAVCImeDualRefStreamin: |
| 4902 | break; |
| 4903 | |
| 4904 | // PowerPC -- Matrix Multiply Assist |
| 4905 | case clang::BuiltinType::VectorPair: |
| 4906 | case clang::BuiltinType::VectorQuad: |
| 4907 | break; |
| 4908 | |
| 4909 | // ARM -- Scalable Vector Extension |
| 4910 | case clang::BuiltinType::SveBool: |
| 4911 | case clang::BuiltinType::SveInt8: |
| 4912 | case clang::BuiltinType::SveInt8x2: |
| 4913 | case clang::BuiltinType::SveInt8x3: |
| 4914 | case clang::BuiltinType::SveInt8x4: |
| 4915 | case clang::BuiltinType::SveInt16: |
| 4916 | case clang::BuiltinType::SveInt16x2: |
| 4917 | case clang::BuiltinType::SveInt16x3: |
| 4918 | case clang::BuiltinType::SveInt16x4: |
| 4919 | case clang::BuiltinType::SveInt32: |
| 4920 | case clang::BuiltinType::SveInt32x2: |
| 4921 | case clang::BuiltinType::SveInt32x3: |
| 4922 | case clang::BuiltinType::SveInt32x4: |
| 4923 | case clang::BuiltinType::SveInt64: |
| 4924 | case clang::BuiltinType::SveInt64x2: |
| 4925 | case clang::BuiltinType::SveInt64x3: |
| 4926 | case clang::BuiltinType::SveInt64x4: |
| 4927 | case clang::BuiltinType::SveUint8: |
| 4928 | case clang::BuiltinType::SveUint8x2: |
| 4929 | case clang::BuiltinType::SveUint8x3: |
| 4930 | case clang::BuiltinType::SveUint8x4: |
| 4931 | case clang::BuiltinType::SveUint16: |
| 4932 | case clang::BuiltinType::SveUint16x2: |
| 4933 | case clang::BuiltinType::SveUint16x3: |
| 4934 | case clang::BuiltinType::SveUint16x4: |
| 4935 | case clang::BuiltinType::SveUint32: |
| 4936 | case clang::BuiltinType::SveUint32x2: |
| 4937 | case clang::BuiltinType::SveUint32x3: |
| 4938 | case clang::BuiltinType::SveUint32x4: |
| 4939 | case clang::BuiltinType::SveUint64: |
| 4940 | case clang::BuiltinType::SveUint64x2: |
| 4941 | case clang::BuiltinType::SveUint64x3: |
| 4942 | case clang::BuiltinType::SveUint64x4: |
| 4943 | case clang::BuiltinType::SveFloat16: |
| 4944 | case clang::BuiltinType::SveBFloat16: |
| 4945 | case clang::BuiltinType::SveBFloat16x2: |
| 4946 | case clang::BuiltinType::SveBFloat16x3: |
| 4947 | case clang::BuiltinType::SveBFloat16x4: |
| 4948 | case clang::BuiltinType::SveFloat16x2: |
| 4949 | case clang::BuiltinType::SveFloat16x3: |
| 4950 | case clang::BuiltinType::SveFloat16x4: |
| 4951 | case clang::BuiltinType::SveFloat32: |
| 4952 | case clang::BuiltinType::SveFloat32x2: |
| 4953 | case clang::BuiltinType::SveFloat32x3: |
| 4954 | case clang::BuiltinType::SveFloat32x4: |
| 4955 | case clang::BuiltinType::SveFloat64: |
| 4956 | case clang::BuiltinType::SveFloat64x2: |
| 4957 | case clang::BuiltinType::SveFloat64x3: |
| 4958 | case clang::BuiltinType::SveFloat64x4: |
| 4959 | break; |
| 4960 | |
| 4961 | // RISC-V V builtin types. |
| 4962 | case clang::BuiltinType::RvvInt8mf8: |
| 4963 | case clang::BuiltinType::RvvInt8mf4: |
| 4964 | case clang::BuiltinType::RvvInt8mf2: |
| 4965 | case clang::BuiltinType::RvvInt8m1: |
| 4966 | case clang::BuiltinType::RvvInt8m2: |
| 4967 | case clang::BuiltinType::RvvInt8m4: |
| 4968 | case clang::BuiltinType::RvvInt8m8: |
| 4969 | case clang::BuiltinType::RvvUint8mf8: |
| 4970 | case clang::BuiltinType::RvvUint8mf4: |
| 4971 | case clang::BuiltinType::RvvUint8mf2: |
| 4972 | case clang::BuiltinType::RvvUint8m1: |
| 4973 | case clang::BuiltinType::RvvUint8m2: |
| 4974 | case clang::BuiltinType::RvvUint8m4: |
| 4975 | case clang::BuiltinType::RvvUint8m8: |
| 4976 | case clang::BuiltinType::RvvInt16mf4: |
| 4977 | case clang::BuiltinType::RvvInt16mf2: |
| 4978 | case clang::BuiltinType::RvvInt16m1: |
| 4979 | case clang::BuiltinType::RvvInt16m2: |
| 4980 | case clang::BuiltinType::RvvInt16m4: |
| 4981 | case clang::BuiltinType::RvvInt16m8: |
| 4982 | case clang::BuiltinType::RvvUint16mf4: |
| 4983 | case clang::BuiltinType::RvvUint16mf2: |
| 4984 | case clang::BuiltinType::RvvUint16m1: |
| 4985 | case clang::BuiltinType::RvvUint16m2: |
| 4986 | case clang::BuiltinType::RvvUint16m4: |
| 4987 | case clang::BuiltinType::RvvUint16m8: |
| 4988 | case clang::BuiltinType::RvvInt32mf2: |
| 4989 | case clang::BuiltinType::RvvInt32m1: |
| 4990 | case clang::BuiltinType::RvvInt32m2: |
| 4991 | case clang::BuiltinType::RvvInt32m4: |
| 4992 | case clang::BuiltinType::RvvInt32m8: |
| 4993 | case clang::BuiltinType::RvvUint32mf2: |
| 4994 | case clang::BuiltinType::RvvUint32m1: |
| 4995 | case clang::BuiltinType::RvvUint32m2: |
| 4996 | case clang::BuiltinType::RvvUint32m4: |
| 4997 | case clang::BuiltinType::RvvUint32m8: |
| 4998 | case clang::BuiltinType::RvvInt64m1: |
| 4999 | case clang::BuiltinType::RvvInt64m2: |
| 5000 | case clang::BuiltinType::RvvInt64m4: |
| 5001 | case clang::BuiltinType::RvvInt64m8: |
| 5002 | case clang::BuiltinType::RvvUint64m1: |
| 5003 | case clang::BuiltinType::RvvUint64m2: |
| 5004 | case clang::BuiltinType::RvvUint64m4: |
| 5005 | case clang::BuiltinType::RvvUint64m8: |
| 5006 | case clang::BuiltinType::RvvFloat16mf4: |
| 5007 | case clang::BuiltinType::RvvFloat16mf2: |
| 5008 | case clang::BuiltinType::RvvFloat16m1: |
| 5009 | case clang::BuiltinType::RvvFloat16m2: |
| 5010 | case clang::BuiltinType::RvvFloat16m4: |
| 5011 | case clang::BuiltinType::RvvFloat16m8: |
| 5012 | case clang::BuiltinType::RvvFloat32mf2: |
| 5013 | case clang::BuiltinType::RvvFloat32m1: |
| 5014 | case clang::BuiltinType::RvvFloat32m2: |
| 5015 | case clang::BuiltinType::RvvFloat32m4: |
| 5016 | case clang::BuiltinType::RvvFloat32m8: |
| 5017 | case clang::BuiltinType::RvvFloat64m1: |
| 5018 | case clang::BuiltinType::RvvFloat64m2: |
| 5019 | case clang::BuiltinType::RvvFloat64m4: |
| 5020 | case clang::BuiltinType::RvvFloat64m8: |
| 5021 | case clang::BuiltinType::RvvBool1: |
| 5022 | case clang::BuiltinType::RvvBool2: |
| 5023 | case clang::BuiltinType::RvvBool4: |
| 5024 | case clang::BuiltinType::RvvBool8: |
| 5025 | case clang::BuiltinType::RvvBool16: |
| 5026 | case clang::BuiltinType::RvvBool32: |
| 5027 | case clang::BuiltinType::RvvBool64: |
| 5028 | break; |
| 5029 | |
| 5030 | case clang::BuiltinType::IncompleteMatrixIdx: |
| 5031 | break; |
| 5032 | } |
| 5033 | break; |
| 5034 | // All pointer types are represented as unsigned integer encodings. We may |
| 5035 | // nee to add a eEncodingPointer if we ever need to know the difference |
| 5036 | case clang::Type::ObjCObjectPointer: |
| 5037 | case clang::Type::BlockPointer: |
| 5038 | case clang::Type::Pointer: |
| 5039 | case clang::Type::LValueReference: |
| 5040 | case clang::Type::RValueReference: |
| 5041 | case clang::Type::MemberPointer: |
| 5042 | return lldb::eEncodingUint; |
| 5043 | case clang::Type::Complex: { |
| 5044 | lldb::Encoding encoding = lldb::eEncodingIEEE754; |
| 5045 | if (qual_type->isComplexType()) |
| 5046 | encoding = lldb::eEncodingIEEE754; |
| 5047 | else { |
| 5048 | const clang::ComplexType *complex_type = |
| 5049 | qual_type->getAsComplexIntegerType(); |
| 5050 | if (complex_type) |
| 5051 | encoding = GetType(complex_type->getElementType()).GetEncoding(count); |
| 5052 | else |
| 5053 | encoding = lldb::eEncodingSint; |
| 5054 | } |
| 5055 | count = 2; |
| 5056 | return encoding; |
| 5057 | } |
| 5058 | |
| 5059 | case clang::Type::ObjCInterface: |
| 5060 | break; |
| 5061 | case clang::Type::Record: |
| 5062 | break; |
| 5063 | case clang::Type::Enum: |
| 5064 | return lldb::eEncodingSint; |
| 5065 | case clang::Type::DependentSizedArray: |
| 5066 | case clang::Type::DependentSizedExtVector: |
| 5067 | case clang::Type::UnresolvedUsing: |
| 5068 | case clang::Type::Attributed: |
| 5069 | case clang::Type::TemplateTypeParm: |
| 5070 | case clang::Type::SubstTemplateTypeParm: |
| 5071 | case clang::Type::SubstTemplateTypeParmPack: |
| 5072 | case clang::Type::InjectedClassName: |
| 5073 | case clang::Type::DependentName: |
| 5074 | case clang::Type::DependentTemplateSpecialization: |
| 5075 | case clang::Type::PackExpansion: |
| 5076 | case clang::Type::ObjCObject: |
| 5077 | |
| 5078 | case clang::Type::TemplateSpecialization: |
| 5079 | case clang::Type::DeducedTemplateSpecialization: |
| 5080 | case clang::Type::Adjusted: |
| 5081 | case clang::Type::Pipe: |
| 5082 | break; |
| 5083 | |
| 5084 | // pointer type decayed from an array or function type. |
| 5085 | case clang::Type::Decayed: |
| 5086 | break; |
| 5087 | case clang::Type::ObjCTypeParam: |
| 5088 | break; |
| 5089 | |
| 5090 | case clang::Type::DependentAddressSpace: |
| 5091 | break; |
| 5092 | case clang::Type::MacroQualified: |
| 5093 | break; |
| 5094 | |
| 5095 | case clang::Type::ConstantMatrix: |
| 5096 | case clang::Type::DependentSizedMatrix: |
| 5097 | break; |
| 5098 | } |
| 5099 | count = 0; |
| 5100 | return lldb::eEncodingInvalid; |
| 5101 | } |
| 5102 | |
| 5103 | lldb::Format TypeSystemClang::GetFormat(lldb::opaque_compiler_type_t type) { |
| 5104 | if (!type) |
| 5105 | return lldb::eFormatDefault; |
| 5106 | |
| 5107 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 5108 | |
| 5109 | switch (qual_type->getTypeClass()) { |
| 5110 | case clang::Type::Atomic: |
| 5111 | case clang::Type::Auto: |
| 5112 | case clang::Type::Decltype: |
| 5113 | case clang::Type::Elaborated: |
| 5114 | case clang::Type::Paren: |
| 5115 | case clang::Type::Typedef: |
| 5116 | case clang::Type::TypeOf: |
| 5117 | case clang::Type::TypeOfExpr: |
| 5118 | llvm_unreachable("Handled in RemoveWrappingTypes!")__builtin_unreachable(); |
| 5119 | case clang::Type::UnaryTransform: |
| 5120 | break; |
| 5121 | |
| 5122 | case clang::Type::FunctionNoProto: |
| 5123 | case clang::Type::FunctionProto: |
| 5124 | break; |
| 5125 | |
| 5126 | case clang::Type::IncompleteArray: |
| 5127 | case clang::Type::VariableArray: |
| 5128 | break; |
| 5129 | |
| 5130 | case clang::Type::ConstantArray: |
| 5131 | return lldb::eFormatVoid; // no value |
| 5132 | |
| 5133 | case clang::Type::DependentVector: |
| 5134 | case clang::Type::ExtVector: |
| 5135 | case clang::Type::Vector: |
| 5136 | break; |
| 5137 | |
| 5138 | case clang::Type::ExtInt: |
| 5139 | case clang::Type::DependentExtInt: |
| 5140 | return qual_type->isUnsignedIntegerType() ? lldb::eFormatUnsigned |
| 5141 | : lldb::eFormatDecimal; |
| 5142 | |
| 5143 | case clang::Type::Builtin: |
| 5144 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 5145 | case clang::BuiltinType::UnknownAny: |
| 5146 | case clang::BuiltinType::Void: |
| 5147 | case clang::BuiltinType::BoundMember: |
| 5148 | break; |
| 5149 | |
| 5150 | case clang::BuiltinType::Bool: |
| 5151 | return lldb::eFormatBoolean; |
| 5152 | case clang::BuiltinType::Char_S: |
| 5153 | case clang::BuiltinType::SChar: |
| 5154 | case clang::BuiltinType::WChar_S: |
| 5155 | case clang::BuiltinType::Char_U: |
| 5156 | case clang::BuiltinType::UChar: |
| 5157 | case clang::BuiltinType::WChar_U: |
| 5158 | return lldb::eFormatChar; |
| 5159 | case clang::BuiltinType::Char16: |
| 5160 | return lldb::eFormatUnicode16; |
| 5161 | case clang::BuiltinType::Char32: |
| 5162 | return lldb::eFormatUnicode32; |
| 5163 | case clang::BuiltinType::UShort: |
| 5164 | return lldb::eFormatUnsigned; |
| 5165 | case clang::BuiltinType::Short: |
| 5166 | return lldb::eFormatDecimal; |
| 5167 | case clang::BuiltinType::UInt: |
| 5168 | return lldb::eFormatUnsigned; |
| 5169 | case clang::BuiltinType::Int: |
| 5170 | return lldb::eFormatDecimal; |
| 5171 | case clang::BuiltinType::ULong: |
| 5172 | return lldb::eFormatUnsigned; |
| 5173 | case clang::BuiltinType::Long: |
| 5174 | return lldb::eFormatDecimal; |
| 5175 | case clang::BuiltinType::ULongLong: |
| 5176 | return lldb::eFormatUnsigned; |
| 5177 | case clang::BuiltinType::LongLong: |
| 5178 | return lldb::eFormatDecimal; |
| 5179 | case clang::BuiltinType::UInt128: |
| 5180 | return lldb::eFormatUnsigned; |
| 5181 | case clang::BuiltinType::Int128: |
| 5182 | return lldb::eFormatDecimal; |
| 5183 | case clang::BuiltinType::Half: |
| 5184 | case clang::BuiltinType::Float: |
| 5185 | case clang::BuiltinType::Double: |
| 5186 | case clang::BuiltinType::LongDouble: |
| 5187 | return lldb::eFormatFloat; |
| 5188 | default: |
| 5189 | return lldb::eFormatHex; |
| 5190 | } |
| 5191 | break; |
| 5192 | case clang::Type::ObjCObjectPointer: |
| 5193 | return lldb::eFormatHex; |
| 5194 | case clang::Type::BlockPointer: |
| 5195 | return lldb::eFormatHex; |
| 5196 | case clang::Type::Pointer: |
| 5197 | return lldb::eFormatHex; |
| 5198 | case clang::Type::LValueReference: |
| 5199 | case clang::Type::RValueReference: |
| 5200 | return lldb::eFormatHex; |
| 5201 | case clang::Type::MemberPointer: |
| 5202 | break; |
| 5203 | case clang::Type::Complex: { |
| 5204 | if (qual_type->isComplexType()) |
| 5205 | return lldb::eFormatComplex; |
| 5206 | else |
| 5207 | return lldb::eFormatComplexInteger; |
| 5208 | } |
| 5209 | case clang::Type::ObjCInterface: |
| 5210 | break; |
| 5211 | case clang::Type::Record: |
| 5212 | break; |
| 5213 | case clang::Type::Enum: |
| 5214 | return lldb::eFormatEnum; |
| 5215 | case clang::Type::DependentSizedArray: |
| 5216 | case clang::Type::DependentSizedExtVector: |
| 5217 | case clang::Type::UnresolvedUsing: |
| 5218 | case clang::Type::Attributed: |
| 5219 | case clang::Type::TemplateTypeParm: |
| 5220 | case clang::Type::SubstTemplateTypeParm: |
| 5221 | case clang::Type::SubstTemplateTypeParmPack: |
| 5222 | case clang::Type::InjectedClassName: |
| 5223 | case clang::Type::DependentName: |
| 5224 | case clang::Type::DependentTemplateSpecialization: |
| 5225 | case clang::Type::PackExpansion: |
| 5226 | case clang::Type::ObjCObject: |
| 5227 | |
| 5228 | case clang::Type::TemplateSpecialization: |
| 5229 | case clang::Type::DeducedTemplateSpecialization: |
| 5230 | case clang::Type::Adjusted: |
| 5231 | case clang::Type::Pipe: |
| 5232 | break; |
| 5233 | |
| 5234 | // pointer type decayed from an array or function type. |
| 5235 | case clang::Type::Decayed: |
| 5236 | break; |
| 5237 | case clang::Type::ObjCTypeParam: |
| 5238 | break; |
| 5239 | |
| 5240 | case clang::Type::DependentAddressSpace: |
| 5241 | break; |
| 5242 | case clang::Type::MacroQualified: |
| 5243 | break; |
| 5244 | |
| 5245 | // Matrix types we're not sure how to display yet. |
| 5246 | case clang::Type::ConstantMatrix: |
| 5247 | case clang::Type::DependentSizedMatrix: |
| 5248 | break; |
| 5249 | } |
| 5250 | // We don't know hot to display this type... |
| 5251 | return lldb::eFormatBytes; |
| 5252 | } |
| 5253 | |
| 5254 | static bool ObjCDeclHasIVars(clang::ObjCInterfaceDecl *class_interface_decl, |
| 5255 | bool check_superclass) { |
| 5256 | while (class_interface_decl) { |
| 5257 | if (class_interface_decl->ivar_size() > 0) |
| 5258 | return true; |
| 5259 | |
| 5260 | if (check_superclass) |
| 5261 | class_interface_decl = class_interface_decl->getSuperClass(); |
| 5262 | else |
| 5263 | break; |
| 5264 | } |
| 5265 | return false; |
| 5266 | } |
| 5267 | |
| 5268 | static Optional<SymbolFile::ArrayInfo> |
| 5269 | GetDynamicArrayInfo(TypeSystemClang &ast, SymbolFile *sym_file, |
| 5270 | clang::QualType qual_type, |
| 5271 | const ExecutionContext *exe_ctx) { |
| 5272 | if (qual_type->isIncompleteArrayType()) |
| 5273 | if (auto *metadata = ast.GetMetadata(qual_type.getTypePtr())) |
| 5274 | return sym_file->GetDynamicArrayInfoForUID(metadata->GetUserID(), |
| 5275 | exe_ctx); |
| 5276 | return llvm::None; |
| 5277 | } |
| 5278 | |
| 5279 | uint32_t TypeSystemClang::GetNumChildren(lldb::opaque_compiler_type_t type, |
| 5280 | bool omit_empty_base_classes, |
| 5281 | const ExecutionContext *exe_ctx) { |
| 5282 | if (!type) |
| 5283 | return 0; |
| 5284 | |
| 5285 | uint32_t num_children = 0; |
| 5286 | clang::QualType qual_type(RemoveWrappingTypes(GetQualType(type))); |
| 5287 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5288 | switch (type_class) { |
| 5289 | case clang::Type::Builtin: |
| 5290 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 5291 | case clang::BuiltinType::ObjCId: // child is Class |
| 5292 | case clang::BuiltinType::ObjCClass: // child is Class |
| 5293 | num_children = 1; |
| 5294 | break; |
| 5295 | |
| 5296 | default: |
| 5297 | break; |
| 5298 | } |
| 5299 | break; |
| 5300 | |
| 5301 | case clang::Type::Complex: |
| 5302 | return 0; |
| 5303 | case clang::Type::Record: |
| 5304 | if (GetCompleteQualType(&getASTContext(), qual_type)) { |
| 5305 | const clang::RecordType *record_type = |
| 5306 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 5307 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 5308 | assert(record_decl)((void)0); |
| 5309 | const clang::CXXRecordDecl *cxx_record_decl = |
| 5310 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 5311 | if (cxx_record_decl) { |
| 5312 | if (omit_empty_base_classes) { |
| 5313 | // Check each base classes to see if it or any of its base classes |
| 5314 | // contain any fields. This can help limit the noise in variable |
| 5315 | // views by not having to show base classes that contain no members. |
| 5316 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
| 5317 | base_class_end; |
| 5318 | for (base_class = cxx_record_decl->bases_begin(), |
| 5319 | base_class_end = cxx_record_decl->bases_end(); |
| 5320 | base_class != base_class_end; ++base_class) { |
| 5321 | const clang::CXXRecordDecl *base_class_decl = |
| 5322 | llvm::cast<clang::CXXRecordDecl>( |
| 5323 | base_class->getType() |
| 5324 | ->getAs<clang::RecordType>() |
| 5325 | ->getDecl()); |
| 5326 | |
| 5327 | // Skip empty base classes |
| 5328 | if (!TypeSystemClang::RecordHasFields(base_class_decl)) |
| 5329 | continue; |
| 5330 | |
| 5331 | num_children++; |
| 5332 | } |
| 5333 | } else { |
| 5334 | // Include all base classes |
| 5335 | num_children += cxx_record_decl->getNumBases(); |
| 5336 | } |
| 5337 | } |
| 5338 | clang::RecordDecl::field_iterator field, field_end; |
| 5339 | for (field = record_decl->field_begin(), |
| 5340 | field_end = record_decl->field_end(); |
| 5341 | field != field_end; ++field) |
| 5342 | ++num_children; |
| 5343 | } |
| 5344 | break; |
| 5345 | |
| 5346 | case clang::Type::ObjCObject: |
| 5347 | case clang::Type::ObjCInterface: |
| 5348 | if (GetCompleteQualType(&getASTContext(), qual_type)) { |
| 5349 | const clang::ObjCObjectType *objc_class_type = |
| 5350 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 5351 | assert(objc_class_type)((void)0); |
| 5352 | if (objc_class_type) { |
| 5353 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5354 | objc_class_type->getInterface(); |
| 5355 | |
| 5356 | if (class_interface_decl) { |
| 5357 | |
| 5358 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
| 5359 | class_interface_decl->getSuperClass(); |
| 5360 | if (superclass_interface_decl) { |
| 5361 | if (omit_empty_base_classes) { |
| 5362 | if (ObjCDeclHasIVars(superclass_interface_decl, true)) |
| 5363 | ++num_children; |
| 5364 | } else |
| 5365 | ++num_children; |
| 5366 | } |
| 5367 | |
| 5368 | num_children += class_interface_decl->ivar_size(); |
| 5369 | } |
| 5370 | } |
| 5371 | } |
| 5372 | break; |
| 5373 | |
| 5374 | case clang::Type::LValueReference: |
| 5375 | case clang::Type::RValueReference: |
| 5376 | case clang::Type::ObjCObjectPointer: { |
| 5377 | CompilerType pointee_clang_type(GetPointeeType(type)); |
| 5378 | |
| 5379 | uint32_t num_pointee_children = 0; |
| 5380 | if (pointee_clang_type.IsAggregateType()) |
| 5381 | num_pointee_children = |
| 5382 | pointee_clang_type.GetNumChildren(omit_empty_base_classes, exe_ctx); |
| 5383 | // If this type points to a simple type, then it has 1 child |
| 5384 | if (num_pointee_children == 0) |
| 5385 | num_children = 1; |
| 5386 | else |
| 5387 | num_children = num_pointee_children; |
| 5388 | } break; |
| 5389 | |
| 5390 | case clang::Type::Vector: |
| 5391 | case clang::Type::ExtVector: |
| 5392 | num_children = |
| 5393 | llvm::cast<clang::VectorType>(qual_type.getTypePtr())->getNumElements(); |
| 5394 | break; |
| 5395 | |
| 5396 | case clang::Type::ConstantArray: |
| 5397 | num_children = llvm::cast<clang::ConstantArrayType>(qual_type.getTypePtr()) |
| 5398 | ->getSize() |
| 5399 | .getLimitedValue(); |
| 5400 | break; |
| 5401 | case clang::Type::IncompleteArray: |
| 5402 | if (auto array_info = |
| 5403 | GetDynamicArrayInfo(*this, GetSymbolFile(), qual_type, exe_ctx)) |
| 5404 | // Only 1-dimensional arrays are supported. |
| 5405 | num_children = array_info->element_orders.size() |
| 5406 | ? array_info->element_orders.back() |
| 5407 | : 0; |
| 5408 | break; |
| 5409 | |
| 5410 | case clang::Type::Pointer: { |
| 5411 | const clang::PointerType *pointer_type = |
| 5412 | llvm::cast<clang::PointerType>(qual_type.getTypePtr()); |
| 5413 | clang::QualType pointee_type(pointer_type->getPointeeType()); |
| 5414 | CompilerType pointee_clang_type(GetType(pointee_type)); |
| 5415 | uint32_t num_pointee_children = 0; |
| 5416 | if (pointee_clang_type.IsAggregateType()) |
| 5417 | num_pointee_children = |
| 5418 | pointee_clang_type.GetNumChildren(omit_empty_base_classes, exe_ctx); |
| 5419 | if (num_pointee_children == 0) { |
| 5420 | // We have a pointer to a pointee type that claims it has no children. We |
| 5421 | // will want to look at |
| 5422 | num_children = GetNumPointeeChildren(pointee_type); |
| 5423 | } else |
| 5424 | num_children = num_pointee_children; |
| 5425 | } break; |
| 5426 | |
| 5427 | default: |
| 5428 | break; |
| 5429 | } |
| 5430 | return num_children; |
| 5431 | } |
| 5432 | |
| 5433 | CompilerType TypeSystemClang::GetBuiltinTypeByName(ConstString name) { |
| 5434 | return GetBasicType(GetBasicTypeEnumeration(name)); |
| 5435 | } |
| 5436 | |
| 5437 | lldb::BasicType |
| 5438 | TypeSystemClang::GetBasicTypeEnumeration(lldb::opaque_compiler_type_t type) { |
| 5439 | if (type) { |
| 5440 | clang::QualType qual_type(GetQualType(type)); |
| 5441 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5442 | if (type_class == clang::Type::Builtin) { |
| 5443 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 5444 | case clang::BuiltinType::Void: |
| 5445 | return eBasicTypeVoid; |
| 5446 | case clang::BuiltinType::Bool: |
| 5447 | return eBasicTypeBool; |
| 5448 | case clang::BuiltinType::Char_S: |
| 5449 | return eBasicTypeSignedChar; |
| 5450 | case clang::BuiltinType::Char_U: |
| 5451 | return eBasicTypeUnsignedChar; |
| 5452 | case clang::BuiltinType::Char16: |
| 5453 | return eBasicTypeChar16; |
| 5454 | case clang::BuiltinType::Char32: |
| 5455 | return eBasicTypeChar32; |
| 5456 | case clang::BuiltinType::UChar: |
| 5457 | return eBasicTypeUnsignedChar; |
| 5458 | case clang::BuiltinType::SChar: |
| 5459 | return eBasicTypeSignedChar; |
| 5460 | case clang::BuiltinType::WChar_S: |
| 5461 | return eBasicTypeSignedWChar; |
| 5462 | case clang::BuiltinType::WChar_U: |
| 5463 | return eBasicTypeUnsignedWChar; |
| 5464 | case clang::BuiltinType::Short: |
| 5465 | return eBasicTypeShort; |
| 5466 | case clang::BuiltinType::UShort: |
| 5467 | return eBasicTypeUnsignedShort; |
| 5468 | case clang::BuiltinType::Int: |
| 5469 | return eBasicTypeInt; |
| 5470 | case clang::BuiltinType::UInt: |
| 5471 | return eBasicTypeUnsignedInt; |
| 5472 | case clang::BuiltinType::Long: |
| 5473 | return eBasicTypeLong; |
| 5474 | case clang::BuiltinType::ULong: |
| 5475 | return eBasicTypeUnsignedLong; |
| 5476 | case clang::BuiltinType::LongLong: |
| 5477 | return eBasicTypeLongLong; |
| 5478 | case clang::BuiltinType::ULongLong: |
| 5479 | return eBasicTypeUnsignedLongLong; |
| 5480 | case clang::BuiltinType::Int128: |
| 5481 | return eBasicTypeInt128; |
| 5482 | case clang::BuiltinType::UInt128: |
| 5483 | return eBasicTypeUnsignedInt128; |
| 5484 | |
| 5485 | case clang::BuiltinType::Half: |
| 5486 | return eBasicTypeHalf; |
| 5487 | case clang::BuiltinType::Float: |
| 5488 | return eBasicTypeFloat; |
| 5489 | case clang::BuiltinType::Double: |
| 5490 | return eBasicTypeDouble; |
| 5491 | case clang::BuiltinType::LongDouble: |
| 5492 | return eBasicTypeLongDouble; |
| 5493 | |
| 5494 | case clang::BuiltinType::NullPtr: |
| 5495 | return eBasicTypeNullPtr; |
| 5496 | case clang::BuiltinType::ObjCId: |
| 5497 | return eBasicTypeObjCID; |
| 5498 | case clang::BuiltinType::ObjCClass: |
| 5499 | return eBasicTypeObjCClass; |
| 5500 | case clang::BuiltinType::ObjCSel: |
| 5501 | return eBasicTypeObjCSel; |
| 5502 | default: |
| 5503 | return eBasicTypeOther; |
| 5504 | } |
| 5505 | } |
| 5506 | } |
| 5507 | return eBasicTypeInvalid; |
| 5508 | } |
| 5509 | |
| 5510 | void TypeSystemClang::ForEachEnumerator( |
| 5511 | lldb::opaque_compiler_type_t type, |
| 5512 | std::function<bool(const CompilerType &integer_type, |
| 5513 | ConstString name, |
| 5514 | const llvm::APSInt &value)> const &callback) { |
| 5515 | const clang::EnumType *enum_type = |
| 5516 | llvm::dyn_cast<clang::EnumType>(GetCanonicalQualType(type)); |
| 5517 | if (enum_type) { |
| 5518 | const clang::EnumDecl *enum_decl = enum_type->getDecl(); |
| 5519 | if (enum_decl) { |
| 5520 | CompilerType integer_type = GetType(enum_decl->getIntegerType()); |
| 5521 | |
| 5522 | clang::EnumDecl::enumerator_iterator enum_pos, enum_end_pos; |
| 5523 | for (enum_pos = enum_decl->enumerator_begin(), |
| 5524 | enum_end_pos = enum_decl->enumerator_end(); |
| 5525 | enum_pos != enum_end_pos; ++enum_pos) { |
| 5526 | ConstString name(enum_pos->getNameAsString().c_str()); |
| 5527 | if (!callback(integer_type, name, enum_pos->getInitVal())) |
| 5528 | break; |
| 5529 | } |
| 5530 | } |
| 5531 | } |
| 5532 | } |
| 5533 | |
| 5534 | #pragma mark Aggregate Types |
| 5535 | |
| 5536 | uint32_t TypeSystemClang::GetNumFields(lldb::opaque_compiler_type_t type) { |
| 5537 | if (!type) |
| 5538 | return 0; |
| 5539 | |
| 5540 | uint32_t count = 0; |
| 5541 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 5542 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5543 | switch (type_class) { |
| 5544 | case clang::Type::Record: |
| 5545 | if (GetCompleteType(type)) { |
| 5546 | const clang::RecordType *record_type = |
| 5547 | llvm::dyn_cast<clang::RecordType>(qual_type.getTypePtr()); |
| 5548 | if (record_type) { |
| 5549 | clang::RecordDecl *record_decl = record_type->getDecl(); |
| 5550 | if (record_decl) { |
| 5551 | uint32_t field_idx = 0; |
| 5552 | clang::RecordDecl::field_iterator field, field_end; |
| 5553 | for (field = record_decl->field_begin(), |
| 5554 | field_end = record_decl->field_end(); |
| 5555 | field != field_end; ++field) |
| 5556 | ++field_idx; |
| 5557 | count = field_idx; |
| 5558 | } |
| 5559 | } |
| 5560 | } |
| 5561 | break; |
| 5562 | |
| 5563 | case clang::Type::ObjCObjectPointer: { |
| 5564 | const clang::ObjCObjectPointerType *objc_class_type = |
| 5565 | qual_type->getAs<clang::ObjCObjectPointerType>(); |
| 5566 | const clang::ObjCInterfaceType *objc_interface_type = |
| 5567 | objc_class_type->getInterfaceType(); |
| 5568 | if (objc_interface_type && |
| 5569 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( |
| 5570 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { |
| 5571 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5572 | objc_interface_type->getDecl(); |
| 5573 | if (class_interface_decl) { |
| 5574 | count = class_interface_decl->ivar_size(); |
| 5575 | } |
| 5576 | } |
| 5577 | break; |
| 5578 | } |
| 5579 | |
| 5580 | case clang::Type::ObjCObject: |
| 5581 | case clang::Type::ObjCInterface: |
| 5582 | if (GetCompleteType(type)) { |
| 5583 | const clang::ObjCObjectType *objc_class_type = |
| 5584 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 5585 | if (objc_class_type) { |
| 5586 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5587 | objc_class_type->getInterface(); |
| 5588 | |
| 5589 | if (class_interface_decl) |
| 5590 | count = class_interface_decl->ivar_size(); |
| 5591 | } |
| 5592 | } |
| 5593 | break; |
| 5594 | |
| 5595 | default: |
| 5596 | break; |
| 5597 | } |
| 5598 | return count; |
| 5599 | } |
| 5600 | |
| 5601 | static lldb::opaque_compiler_type_t |
| 5602 | GetObjCFieldAtIndex(clang::ASTContext *ast, |
| 5603 | clang::ObjCInterfaceDecl *class_interface_decl, size_t idx, |
| 5604 | std::string &name, uint64_t *bit_offset_ptr, |
| 5605 | uint32_t *bitfield_bit_size_ptr, bool *is_bitfield_ptr) { |
| 5606 | if (class_interface_decl) { |
| 5607 | if (idx < (class_interface_decl->ivar_size())) { |
| 5608 | clang::ObjCInterfaceDecl::ivar_iterator ivar_pos, |
| 5609 | ivar_end = class_interface_decl->ivar_end(); |
| 5610 | uint32_t ivar_idx = 0; |
| 5611 | |
| 5612 | for (ivar_pos = class_interface_decl->ivar_begin(); ivar_pos != ivar_end; |
| 5613 | ++ivar_pos, ++ivar_idx) { |
| 5614 | if (ivar_idx == idx) { |
| 5615 | const clang::ObjCIvarDecl *ivar_decl = *ivar_pos; |
| 5616 | |
| 5617 | clang::QualType ivar_qual_type(ivar_decl->getType()); |
| 5618 | |
| 5619 | name.assign(ivar_decl->getNameAsString()); |
| 5620 | |
| 5621 | if (bit_offset_ptr) { |
| 5622 | const clang::ASTRecordLayout &interface_layout = |
| 5623 | ast->getASTObjCInterfaceLayout(class_interface_decl); |
| 5624 | *bit_offset_ptr = interface_layout.getFieldOffset(ivar_idx); |
| 5625 | } |
| 5626 | |
| 5627 | const bool is_bitfield = ivar_pos->isBitField(); |
| 5628 | |
| 5629 | if (bitfield_bit_size_ptr) { |
| 5630 | *bitfield_bit_size_ptr = 0; |
| 5631 | |
| 5632 | if (is_bitfield && ast) { |
| 5633 | clang::Expr *bitfield_bit_size_expr = ivar_pos->getBitWidth(); |
| 5634 | clang::Expr::EvalResult result; |
| 5635 | if (bitfield_bit_size_expr && |
| 5636 | bitfield_bit_size_expr->EvaluateAsInt(result, *ast)) { |
| 5637 | llvm::APSInt bitfield_apsint = result.Val.getInt(); |
| 5638 | *bitfield_bit_size_ptr = bitfield_apsint.getLimitedValue(); |
| 5639 | } |
| 5640 | } |
| 5641 | } |
| 5642 | if (is_bitfield_ptr) |
| 5643 | *is_bitfield_ptr = is_bitfield; |
| 5644 | |
| 5645 | return ivar_qual_type.getAsOpaquePtr(); |
| 5646 | } |
| 5647 | } |
| 5648 | } |
| 5649 | } |
| 5650 | return nullptr; |
| 5651 | } |
| 5652 | |
| 5653 | CompilerType TypeSystemClang::GetFieldAtIndex(lldb::opaque_compiler_type_t type, |
| 5654 | size_t idx, std::string &name, |
| 5655 | uint64_t *bit_offset_ptr, |
| 5656 | uint32_t *bitfield_bit_size_ptr, |
| 5657 | bool *is_bitfield_ptr) { |
| 5658 | if (!type) |
| 5659 | return CompilerType(); |
| 5660 | |
| 5661 | clang::QualType qual_type(RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 5662 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5663 | switch (type_class) { |
| 5664 | case clang::Type::Record: |
| 5665 | if (GetCompleteType(type)) { |
| 5666 | const clang::RecordType *record_type = |
| 5667 | llvm::cast<clang::RecordType>(qual_type.getTypePtr()); |
| 5668 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 5669 | uint32_t field_idx = 0; |
| 5670 | clang::RecordDecl::field_iterator field, field_end; |
| 5671 | for (field = record_decl->field_begin(), |
| 5672 | field_end = record_decl->field_end(); |
| 5673 | field != field_end; ++field, ++field_idx) { |
| 5674 | if (idx == field_idx) { |
| 5675 | // Print the member type if requested |
| 5676 | // Print the member name and equal sign |
| 5677 | name.assign(field->getNameAsString()); |
| 5678 | |
| 5679 | // Figure out the type byte size (field_type_info.first) and |
| 5680 | // alignment (field_type_info.second) from the AST context. |
| 5681 | if (bit_offset_ptr) { |
| 5682 | const clang::ASTRecordLayout &record_layout = |
| 5683 | getASTContext().getASTRecordLayout(record_decl); |
| 5684 | *bit_offset_ptr = record_layout.getFieldOffset(field_idx); |
| 5685 | } |
| 5686 | |
| 5687 | const bool is_bitfield = field->isBitField(); |
| 5688 | |
| 5689 | if (bitfield_bit_size_ptr) { |
| 5690 | *bitfield_bit_size_ptr = 0; |
| 5691 | |
| 5692 | if (is_bitfield) { |
| 5693 | clang::Expr *bitfield_bit_size_expr = field->getBitWidth(); |
| 5694 | clang::Expr::EvalResult result; |
| 5695 | if (bitfield_bit_size_expr && |
| 5696 | bitfield_bit_size_expr->EvaluateAsInt(result, |
| 5697 | getASTContext())) { |
| 5698 | llvm::APSInt bitfield_apsint = result.Val.getInt(); |
| 5699 | *bitfield_bit_size_ptr = bitfield_apsint.getLimitedValue(); |
| 5700 | } |
| 5701 | } |
| 5702 | } |
| 5703 | if (is_bitfield_ptr) |
| 5704 | *is_bitfield_ptr = is_bitfield; |
| 5705 | |
| 5706 | return GetType(field->getType()); |
| 5707 | } |
| 5708 | } |
| 5709 | } |
| 5710 | break; |
| 5711 | |
| 5712 | case clang::Type::ObjCObjectPointer: { |
| 5713 | const clang::ObjCObjectPointerType *objc_class_type = |
| 5714 | qual_type->getAs<clang::ObjCObjectPointerType>(); |
| 5715 | const clang::ObjCInterfaceType *objc_interface_type = |
| 5716 | objc_class_type->getInterfaceType(); |
| 5717 | if (objc_interface_type && |
| 5718 | GetCompleteType(static_cast<lldb::opaque_compiler_type_t>( |
| 5719 | const_cast<clang::ObjCInterfaceType *>(objc_interface_type)))) { |
| 5720 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5721 | objc_interface_type->getDecl(); |
| 5722 | if (class_interface_decl) { |
| 5723 | return CompilerType( |
| 5724 | this, GetObjCFieldAtIndex(&getASTContext(), class_interface_decl, |
| 5725 | idx, name, bit_offset_ptr, |
| 5726 | bitfield_bit_size_ptr, is_bitfield_ptr)); |
| 5727 | } |
| 5728 | } |
| 5729 | break; |
| 5730 | } |
| 5731 | |
| 5732 | case clang::Type::ObjCObject: |
| 5733 | case clang::Type::ObjCInterface: |
| 5734 | if (GetCompleteType(type)) { |
| 5735 | const clang::ObjCObjectType *objc_class_type = |
| 5736 | llvm::dyn_cast<clang::ObjCObjectType>(qual_type.getTypePtr()); |
| 5737 | assert(objc_class_type)((void)0); |
| 5738 | if (objc_class_type) { |
| 5739 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5740 | objc_class_type->getInterface(); |
| 5741 | return CompilerType( |
| 5742 | this, GetObjCFieldAtIndex(&getASTContext(), class_interface_decl, |
| 5743 | idx, name, bit_offset_ptr, |
| 5744 | bitfield_bit_size_ptr, is_bitfield_ptr)); |
| 5745 | } |
| 5746 | } |
| 5747 | break; |
| 5748 | |
| 5749 | default: |
| 5750 | break; |
| 5751 | } |
| 5752 | return CompilerType(); |
| 5753 | } |
| 5754 | |
| 5755 | uint32_t |
| 5756 | TypeSystemClang::GetNumDirectBaseClasses(lldb::opaque_compiler_type_t type) { |
| 5757 | uint32_t count = 0; |
| 5758 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 5759 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5760 | switch (type_class) { |
| 5761 | case clang::Type::Record: |
| 5762 | if (GetCompleteType(type)) { |
| 5763 | const clang::CXXRecordDecl *cxx_record_decl = |
| 5764 | qual_type->getAsCXXRecordDecl(); |
| 5765 | if (cxx_record_decl) |
| 5766 | count = cxx_record_decl->getNumBases(); |
| 5767 | } |
| 5768 | break; |
| 5769 | |
| 5770 | case clang::Type::ObjCObjectPointer: |
| 5771 | count = GetPointeeType(type).GetNumDirectBaseClasses(); |
| 5772 | break; |
| 5773 | |
| 5774 | case clang::Type::ObjCObject: |
| 5775 | if (GetCompleteType(type)) { |
| 5776 | const clang::ObjCObjectType *objc_class_type = |
| 5777 | qual_type->getAsObjCQualifiedInterfaceType(); |
| 5778 | if (objc_class_type) { |
| 5779 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5780 | objc_class_type->getInterface(); |
| 5781 | |
| 5782 | if (class_interface_decl && class_interface_decl->getSuperClass()) |
| 5783 | count = 1; |
| 5784 | } |
| 5785 | } |
| 5786 | break; |
| 5787 | case clang::Type::ObjCInterface: |
| 5788 | if (GetCompleteType(type)) { |
| 5789 | const clang::ObjCInterfaceType *objc_interface_type = |
| 5790 | qual_type->getAs<clang::ObjCInterfaceType>(); |
| 5791 | if (objc_interface_type) { |
| 5792 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5793 | objc_interface_type->getInterface(); |
| 5794 | |
| 5795 | if (class_interface_decl && class_interface_decl->getSuperClass()) |
| 5796 | count = 1; |
| 5797 | } |
| 5798 | } |
| 5799 | break; |
| 5800 | |
| 5801 | default: |
| 5802 | break; |
| 5803 | } |
| 5804 | return count; |
| 5805 | } |
| 5806 | |
| 5807 | uint32_t |
| 5808 | TypeSystemClang::GetNumVirtualBaseClasses(lldb::opaque_compiler_type_t type) { |
| 5809 | uint32_t count = 0; |
| 5810 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 5811 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5812 | switch (type_class) { |
| 5813 | case clang::Type::Record: |
| 5814 | if (GetCompleteType(type)) { |
| 5815 | const clang::CXXRecordDecl *cxx_record_decl = |
| 5816 | qual_type->getAsCXXRecordDecl(); |
| 5817 | if (cxx_record_decl) |
| 5818 | count = cxx_record_decl->getNumVBases(); |
| 5819 | } |
| 5820 | break; |
| 5821 | |
| 5822 | default: |
| 5823 | break; |
| 5824 | } |
| 5825 | return count; |
| 5826 | } |
| 5827 | |
| 5828 | CompilerType TypeSystemClang::GetDirectBaseClassAtIndex( |
| 5829 | lldb::opaque_compiler_type_t type, size_t idx, uint32_t *bit_offset_ptr) { |
| 5830 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 5831 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5832 | switch (type_class) { |
| 5833 | case clang::Type::Record: |
| 5834 | if (GetCompleteType(type)) { |
| 5835 | const clang::CXXRecordDecl *cxx_record_decl = |
| 5836 | qual_type->getAsCXXRecordDecl(); |
| 5837 | if (cxx_record_decl) { |
| 5838 | uint32_t curr_idx = 0; |
| 5839 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
| 5840 | base_class_end; |
| 5841 | for (base_class = cxx_record_decl->bases_begin(), |
| 5842 | base_class_end = cxx_record_decl->bases_end(); |
| 5843 | base_class != base_class_end; ++base_class, ++curr_idx) { |
| 5844 | if (curr_idx == idx) { |
| 5845 | if (bit_offset_ptr) { |
| 5846 | const clang::ASTRecordLayout &record_layout = |
| 5847 | getASTContext().getASTRecordLayout(cxx_record_decl); |
| 5848 | const clang::CXXRecordDecl *base_class_decl = |
| 5849 | llvm::cast<clang::CXXRecordDecl>( |
| 5850 | base_class->getType() |
| 5851 | ->getAs<clang::RecordType>() |
| 5852 | ->getDecl()); |
| 5853 | if (base_class->isVirtual()) |
| 5854 | *bit_offset_ptr = |
| 5855 | record_layout.getVBaseClassOffset(base_class_decl) |
| 5856 | .getQuantity() * |
| 5857 | 8; |
| 5858 | else |
| 5859 | *bit_offset_ptr = |
| 5860 | record_layout.getBaseClassOffset(base_class_decl) |
| 5861 | .getQuantity() * |
| 5862 | 8; |
| 5863 | } |
| 5864 | return GetType(base_class->getType()); |
| 5865 | } |
| 5866 | } |
| 5867 | } |
| 5868 | } |
| 5869 | break; |
| 5870 | |
| 5871 | case clang::Type::ObjCObjectPointer: |
| 5872 | return GetPointeeType(type).GetDirectBaseClassAtIndex(idx, bit_offset_ptr); |
| 5873 | |
| 5874 | case clang::Type::ObjCObject: |
| 5875 | if (idx == 0 && GetCompleteType(type)) { |
| 5876 | const clang::ObjCObjectType *objc_class_type = |
| 5877 | qual_type->getAsObjCQualifiedInterfaceType(); |
| 5878 | if (objc_class_type) { |
| 5879 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5880 | objc_class_type->getInterface(); |
| 5881 | |
| 5882 | if (class_interface_decl) { |
| 5883 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
| 5884 | class_interface_decl->getSuperClass(); |
| 5885 | if (superclass_interface_decl) { |
| 5886 | if (bit_offset_ptr) |
| 5887 | *bit_offset_ptr = 0; |
| 5888 | return GetType(getASTContext().getObjCInterfaceType( |
| 5889 | superclass_interface_decl)); |
| 5890 | } |
| 5891 | } |
| 5892 | } |
| 5893 | } |
| 5894 | break; |
| 5895 | case clang::Type::ObjCInterface: |
| 5896 | if (idx == 0 && GetCompleteType(type)) { |
| 5897 | const clang::ObjCObjectType *objc_interface_type = |
| 5898 | qual_type->getAs<clang::ObjCInterfaceType>(); |
| 5899 | if (objc_interface_type) { |
| 5900 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 5901 | objc_interface_type->getInterface(); |
| 5902 | |
| 5903 | if (class_interface_decl) { |
| 5904 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
| 5905 | class_interface_decl->getSuperClass(); |
| 5906 | if (superclass_interface_decl) { |
| 5907 | if (bit_offset_ptr) |
| 5908 | *bit_offset_ptr = 0; |
| 5909 | return GetType(getASTContext().getObjCInterfaceType( |
| 5910 | superclass_interface_decl)); |
| 5911 | } |
| 5912 | } |
| 5913 | } |
| 5914 | } |
| 5915 | break; |
| 5916 | |
| 5917 | default: |
| 5918 | break; |
| 5919 | } |
| 5920 | return CompilerType(); |
| 5921 | } |
| 5922 | |
| 5923 | CompilerType TypeSystemClang::GetVirtualBaseClassAtIndex( |
| 5924 | lldb::opaque_compiler_type_t type, size_t idx, uint32_t *bit_offset_ptr) { |
| 5925 | clang::QualType qual_type = RemoveWrappingTypes(GetCanonicalQualType(type)); |
| 5926 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5927 | switch (type_class) { |
| 5928 | case clang::Type::Record: |
| 5929 | if (GetCompleteType(type)) { |
| 5930 | const clang::CXXRecordDecl *cxx_record_decl = |
| 5931 | qual_type->getAsCXXRecordDecl(); |
| 5932 | if (cxx_record_decl) { |
| 5933 | uint32_t curr_idx = 0; |
| 5934 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
| 5935 | base_class_end; |
| 5936 | for (base_class = cxx_record_decl->vbases_begin(), |
| 5937 | base_class_end = cxx_record_decl->vbases_end(); |
| 5938 | base_class != base_class_end; ++base_class, ++curr_idx) { |
| 5939 | if (curr_idx == idx) { |
| 5940 | if (bit_offset_ptr) { |
| 5941 | const clang::ASTRecordLayout &record_layout = |
| 5942 | getASTContext().getASTRecordLayout(cxx_record_decl); |
| 5943 | const clang::CXXRecordDecl *base_class_decl = |
| 5944 | llvm::cast<clang::CXXRecordDecl>( |
| 5945 | base_class->getType() |
| 5946 | ->getAs<clang::RecordType>() |
| 5947 | ->getDecl()); |
| 5948 | *bit_offset_ptr = |
| 5949 | record_layout.getVBaseClassOffset(base_class_decl) |
| 5950 | .getQuantity() * |
| 5951 | 8; |
| 5952 | } |
| 5953 | return GetType(base_class->getType()); |
| 5954 | } |
| 5955 | } |
| 5956 | } |
| 5957 | } |
| 5958 | break; |
| 5959 | |
| 5960 | default: |
| 5961 | break; |
| 5962 | } |
| 5963 | return CompilerType(); |
| 5964 | } |
| 5965 | |
| 5966 | // If a pointer to a pointee type (the clang_type arg) says that it has no |
| 5967 | // children, then we either need to trust it, or override it and return a |
| 5968 | // different result. For example, an "int *" has one child that is an integer, |
| 5969 | // but a function pointer doesn't have any children. Likewise if a Record type |
| 5970 | // claims it has no children, then there really is nothing to show. |
| 5971 | uint32_t TypeSystemClang::GetNumPointeeChildren(clang::QualType type) { |
| 5972 | if (type.isNull()) |
| 5973 | return 0; |
| 5974 | |
| 5975 | clang::QualType qual_type = RemoveWrappingTypes(type.getCanonicalType()); |
| 5976 | const clang::Type::TypeClass type_class = qual_type->getTypeClass(); |
| 5977 | switch (type_class) { |
| 5978 | case clang::Type::Builtin: |
| 5979 | switch (llvm::cast<clang::BuiltinType>(qual_type)->getKind()) { |
| 5980 | case clang::BuiltinType::UnknownAny: |
| 5981 | case clang::BuiltinType::Void: |
| 5982 | case clang::BuiltinType::NullPtr: |
| 5983 | case clang::BuiltinType::OCLEvent: |
| 5984 | case clang::BuiltinType::OCLImage1dRO: |
| 5985 | case clang::BuiltinType::OCLImage1dWO: |
| 5986 | case clang::BuiltinType::OCLImage1dRW: |
| 5987 | case clang::BuiltinType::OCLImage1dArrayRO: |
| 5988 | case clang::BuiltinType::OCLImage1dArrayWO: |
| 5989 | case clang::BuiltinType::OCLImage1dArrayRW: |
| 5990 | case clang::BuiltinType::OCLImage1dBufferRO: |
| 5991 | case clang::BuiltinType::OCLImage1dBufferWO: |
| 5992 | case clang::BuiltinType::OCLImage1dBufferRW: |
| 5993 | case clang::BuiltinType::OCLImage2dRO: |
| 5994 | case clang::BuiltinType::OCLImage2dWO: |
| 5995 | case clang::BuiltinType::OCLImage2dRW: |
| 5996 | case clang::BuiltinType::OCLImage2dArrayRO: |
| 5997 | case clang::BuiltinType::OCLImage2dArrayWO: |
| 5998 | case clang::BuiltinType::OCLImage2dArrayRW: |
| 5999 | case clang::BuiltinType::OCLImage3dRO: |
| 6000 | case clang::BuiltinType::OCLImage3dWO: |
| 6001 | case clang::BuiltinType::OCLImage3dRW: |
| 6002 | case clang::BuiltinType::OCLSampler: |
| 6003 | return 0; |
| 6004 | case clang::BuiltinType::Bool: |
| 6005 | case clang::BuiltinType::Char_U: |
| 6006 | case clang::BuiltinType::UChar: |
| 6007 | case clang::BuiltinType::WChar_U: |
| 6008 | case clang::BuiltinType::Char16: |
| 6009 | case clang::BuiltinType::Char32: |
| 6010 | case clang::BuiltinType::UShort: |
| 6011 | case clang::BuiltinType::UInt: |
| 6012 | case clang::BuiltinType::ULong: |
| 6013 | case clang::BuiltinType::ULongLong: |
| 6014 | case clang::BuiltinType::UInt128: |
| 6015 | case clang::BuiltinType::Char_S: |
| 6016 | case clang::BuiltinType::SChar: |
| 6017 | case clang::BuiltinType::WChar_S: |
| 6018 | case clang::BuiltinType::Short: |
| 6019 | case clang::BuiltinType::Int: |
| 6020 | case clang::BuiltinType::Long: |
| 6021 | case clang::BuiltinType::LongLong: |
| 6022 | case clang::BuiltinType::Int128: |
| 6023 | case clang::BuiltinType::Float: |
| 6024 | case clang::BuiltinType::Double: |
| 6025 | case clang::BuiltinType::LongDouble: |
| 6026 | case clang::BuiltinType::Dependent: |
| 6027 | case clang::BuiltinType::Overload: |
| 6028 | case clang::BuiltinType::ObjCId: |
| 6029 | case clang::BuiltinType::ObjCClass: |
| 6030 | case clang::BuiltinType::ObjCSel: |
| 6031 | case clang::BuiltinType::BoundMember: |
| 6032 | case clang::BuiltinType::Half: |
| 6033 | case clang::BuiltinType::ARCUnbridgedCast: |
| 6034 | case clang::BuiltinType::PseudoObject: |
| 6035 | case clang::BuiltinType::BuiltinFn: |
| 6036 | case clang::BuiltinType::OMPArraySection: |
| 6037 | return 1; |
| 6038 | default: |
| 6039 | return 0; |
| 6040 | } |
| 6041 | break; |
| 6042 | |
| 6043 | case clang::Type::Complex: |
| 6044 | return 1; |
| 6045 | case clang::Type::Pointer: |
| 6046 | return 1; |
| 6047 | case clang::Type::BlockPointer: |
| 6048 | return 0; // If block pointers don't have debug info, then no children for |
| 6049 | // them |
| 6050 | case clang::Type::LValueReference: |
| 6051 | return 1; |
| 6052 | case clang::Type::RValueReference: |
| 6053 | return 1; |
| 6054 | case clang::Type::MemberPointer: |
| 6055 | return 0; |
| 6056 | case clang::Type::ConstantArray: |
| 6057 | return 0; |
| 6058 | case clang::Type::IncompleteArray: |
| 6059 | return 0; |
| 6060 | case clang::Type::VariableArray: |
| 6061 | return 0; |
| 6062 | case clang::Type::DependentSizedArray: |
| 6063 | return 0; |
| 6064 | case clang::Type::DependentSizedExtVector: |
| 6065 | return 0; |
| 6066 | case clang::Type::Vector: |
| 6067 | return 0; |
| 6068 | case clang::Type::ExtVector: |
| 6069 | return 0; |
| 6070 | case clang::Type::FunctionProto: |
| 6071 | return 0; // When we function pointers, they have no children... |
| 6072 | case clang::Type::FunctionNoProto: |
| 6073 | return 0; // When we function pointers, they have no children... |
| 6074 | case clang::Type::UnresolvedUsing: |
| 6075 | return 0; |
| 6076 | case clang::Type::Record: |
| 6077 | return 0; |
| 6078 | case clang::Type::Enum: |
| 6079 | return 1; |
| 6080 | case clang::Type::TemplateTypeParm: |
| 6081 | return 1; |
| 6082 | case clang::Type::SubstTemplateTypeParm: |
| 6083 | return 1; |
| 6084 | case clang::Type::TemplateSpecialization: |
| 6085 | return 1; |
| 6086 | case clang::Type::InjectedClassName: |
| 6087 | return 0; |
| 6088 | case clang::Type::DependentName: |
| 6089 | return 1; |
| 6090 | case clang::Type::DependentTemplateSpecialization: |
| 6091 | return 1; |
| 6092 | case clang::Type::ObjCObject: |
| 6093 | return 0; |
| 6094 | case clang::Type::ObjCInterface: |
| 6095 | return 0; |
| 6096 | case clang::Type::ObjCObjectPointer: |
| 6097 | return 1; |
| 6098 | default: |
| 6099 | break; |
| 6100 | } |
| 6101 | return 0; |
| 6102 | } |
| 6103 | |
| 6104 | CompilerType TypeSystemClang::GetChildCompilerTypeAtIndex( |
| 6105 | lldb::opaque_compiler_type_t type, ExecutionContext *exe_ctx, size_t idx, |
| 6106 | bool transparent_pointers, bool omit_empty_base_classes, |
| 6107 | bool ignore_array_bounds, std::string &child_name, |
| 6108 | uint32_t &child_byte_size, int32_t &child_byte_offset, |
| 6109 | uint32_t &child_bitfield_bit_size, uint32_t &child_bitfield_bit_offset, |
| 6110 | bool &child_is_base_class, bool &child_is_deref_of_parent, |
| 6111 | ValueObject *valobj, uint64_t &language_flags) { |
| 6112 | if (!type) |
| 6113 | return CompilerType(); |
| 6114 | |
| 6115 | auto get_exe_scope = [&exe_ctx]() { |
| 6116 | return exe_ctx ? exe_ctx->GetBestExecutionContextScope() : nullptr; |
| 6117 | }; |
| 6118 | |
| 6119 | clang::QualType parent_qual_type( |
| 6120 | RemoveWrappingTypes(GetCanonicalQualType(type))); |
| 6121 | const clang::Type::TypeClass parent_type_class = |
| 6122 | parent_qual_type->getTypeClass(); |
| 6123 | child_bitfield_bit_size = 0; |
| 6124 | child_bitfield_bit_offset = 0; |
| 6125 | child_is_base_class = false; |
| 6126 | language_flags = 0; |
| 6127 | |
| 6128 | const bool idx_is_valid = |
| 6129 | idx < GetNumChildren(type, omit_empty_base_classes, exe_ctx); |
| 6130 | int32_t bit_offset; |
| 6131 | switch (parent_type_class) { |
| 6132 | case clang::Type::Builtin: |
| 6133 | if (idx_is_valid) { |
| 6134 | switch (llvm::cast<clang::BuiltinType>(parent_qual_type)->getKind()) { |
| 6135 | case clang::BuiltinType::ObjCId: |
| 6136 | case clang::BuiltinType::ObjCClass: |
| 6137 | child_name = "isa"; |
| 6138 | child_byte_size = |
| 6139 | getASTContext().getTypeSize(getASTContext().ObjCBuiltinClassTy) / |
| 6140 | CHAR_BIT8; |
| 6141 | return GetType(getASTContext().ObjCBuiltinClassTy); |
| 6142 | |
| 6143 | default: |
| 6144 | break; |
| 6145 | } |
| 6146 | } |
| 6147 | break; |
| 6148 | |
| 6149 | case clang::Type::Record: |
| 6150 | if (idx_is_valid && GetCompleteType(type)) { |
| 6151 | const clang::RecordType *record_type = |
| 6152 | llvm::cast<clang::RecordType>(parent_qual_type.getTypePtr()); |
| 6153 | const clang::RecordDecl *record_decl = record_type->getDecl(); |
| 6154 | assert(record_decl)((void)0); |
| 6155 | const clang::ASTRecordLayout &record_layout = |
| 6156 | getASTContext().getASTRecordLayout(record_decl); |
| 6157 | uint32_t child_idx = 0; |
| 6158 | |
| 6159 | const clang::CXXRecordDecl *cxx_record_decl = |
| 6160 | llvm::dyn_cast<clang::CXXRecordDecl>(record_decl); |
| 6161 | if (cxx_record_decl) { |
| 6162 | // We might have base classes to print out first |
| 6163 | clang::CXXRecordDecl::base_class_const_iterator base_class, |
| 6164 | base_class_end; |
| 6165 | for (base_class = cxx_record_decl->bases_begin(), |
| 6166 | base_class_end = cxx_record_decl->bases_end(); |
| 6167 | base_class != base_class_end; ++base_class) { |
| 6168 | const clang::CXXRecordDecl *base_class_decl = nullptr; |
| 6169 | |
| 6170 | // Skip empty base classes |
| 6171 | if (omit_empty_base_classes) { |
| 6172 | base_class_decl = llvm::cast<clang::CXXRecordDecl>( |
| 6173 | base_class->getType()->getAs<clang::RecordType>()->getDecl()); |
| 6174 | if (!TypeSystemClang::RecordHasFields(base_class_decl)) |
| 6175 | continue; |
| 6176 | } |
| 6177 | |
| 6178 | if (idx == child_idx) { |
| 6179 | if (base_class_decl == nullptr) |
| 6180 | base_class_decl = llvm::cast<clang::CXXRecordDecl>( |
| 6181 | base_class->getType()->getAs<clang::RecordType>()->getDecl()); |
| 6182 | |
| 6183 | if (base_class->isVirtual()) { |
| 6184 | bool handled = false; |
| 6185 | if (valobj) { |
| 6186 | clang::VTableContextBase *vtable_ctx = |
| 6187 | getASTContext().getVTableContext(); |
| 6188 | if (vtable_ctx) |
| 6189 | handled = GetVBaseBitOffset(*vtable_ctx, *valobj, |
| 6190 | record_layout, cxx_record_decl, |
| 6191 | base_class_decl, bit_offset); |
| 6192 | } |
| 6193 | if (!handled) |
| 6194 | bit_offset = record_layout.getVBaseClassOffset(base_class_decl) |
| 6195 | .getQuantity() * |
| 6196 | 8; |
| 6197 | } else |
| 6198 | bit_offset = record_layout.getBaseClassOffset(base_class_decl) |
| 6199 | .getQuantity() * |
| 6200 | 8; |
| 6201 | |
| 6202 | // Base classes should be a multiple of 8 bits in size |
| 6203 | child_byte_offset = bit_offset / 8; |
| 6204 | CompilerType base_class_clang_type = GetType(base_class->getType()); |
| 6205 | child_name = base_class_clang_type.GetTypeName().AsCString(""); |
| 6206 | Optional<uint64_t> size = |
| 6207 | base_class_clang_type.GetBitSize(get_exe_scope()); |
| 6208 | if (!size) |
| 6209 | return {}; |
| 6210 | uint64_t base_class_clang_type_bit_size = *size; |
| 6211 | |
| 6212 | // Base classes bit sizes should be a multiple of 8 bits in size |
| 6213 | assert(base_class_clang_type_bit_size % 8 == 0)((void)0); |
| 6214 | child_byte_size = base_class_clang_type_bit_size / 8; |
| 6215 | child_is_base_class = true; |
| 6216 | return base_class_clang_type; |
| 6217 | } |
| 6218 | // We don't increment the child index in the for loop since we might |
| 6219 | // be skipping empty base classes |
| 6220 | ++child_idx; |
| 6221 | } |
| 6222 | } |
| 6223 | // Make sure index is in range... |
| 6224 | uint32_t field_idx = 0; |
| 6225 | clang::RecordDecl::field_iterator field, field_end; |
| 6226 | for (field = record_decl->field_begin(), |
| 6227 | field_end = record_decl->field_end(); |
| 6228 | field != field_end; ++field, ++field_idx, ++child_idx) { |
| 6229 | if (idx == child_idx) { |
| 6230 | // Print the member type if requested |
| 6231 | // Print the member name and equal sign |
| 6232 | child_name.assign(field->getNameAsString()); |
| 6233 | |
| 6234 | // Figure out the type byte size (field_type_info.first) and |
| 6235 | // alignment (field_type_info.second) from the AST context. |
| 6236 | CompilerType field_clang_type = GetType(field->getType()); |
| 6237 | assert(field_idx < record_layout.getFieldCount())((void)0); |
| 6238 | Optional<uint64_t> size = |
| 6239 | field_clang_type.GetByteSize(get_exe_scope()); |
| 6240 | if (!size) |
| 6241 | return {}; |
| 6242 | child_byte_size = *size; |
| 6243 | const uint32_t child_bit_size = child_byte_size * 8; |
| 6244 | |
| 6245 | // Figure out the field offset within the current struct/union/class |
| 6246 | // type |
| 6247 | bit_offset = record_layout.getFieldOffset(field_idx); |
| 6248 | if (FieldIsBitfield(*field, child_bitfield_bit_size)) { |
| 6249 | child_bitfield_bit_offset = bit_offset % child_bit_size; |
| 6250 | const uint32_t child_bit_offset = |
| 6251 | bit_offset - child_bitfield_bit_offset; |
| 6252 | child_byte_offset = child_bit_offset / 8; |
| 6253 | } else { |
| 6254 | child_byte_offset = bit_offset / 8; |
| 6255 | } |
| 6256 | |
| 6257 | return field_clang_type; |
| 6258 | } |
| 6259 | } |
| 6260 | } |
| 6261 | break; |
| 6262 | |
| 6263 | case clang::Type::ObjCObject: |
| 6264 | case clang::Type::ObjCInterface: |
| 6265 | if (idx_is_valid && GetCompleteType(type)) { |
| 6266 | const clang::ObjCObjectType *objc_class_type = |
| 6267 | llvm::dyn_cast<clang::ObjCObjectType>(parent_qual_type.getTypePtr()); |
| 6268 | assert(objc_class_type)((void)0); |
| 6269 | if (objc_class_type) { |
| 6270 | uint32_t child_idx = 0; |
| 6271 | clang::ObjCInterfaceDecl *class_interface_decl = |
| 6272 | objc_class_type->getInterface(); |
| 6273 | |
| 6274 | if (class_interface_decl) { |
| 6275 | |
| 6276 | const clang::ASTRecordLayout &interface_layout = |
| 6277 | getASTContext().getASTObjCInterfaceLayout(class_interface_decl); |
| 6278 | clang::ObjCInterfaceDecl *superclass_interface_decl = |
| 6279 | class_interface_decl->getSuperClass(); |
| 6280 | if (superclass_interface_decl) { |
| 6281 | if (omit_empty_base_classes) { |
| 6282 | CompilerType base_class_clang_type = |
| 6283 | GetType(getASTContext().getObjCInterfaceType( |
| 6284 | superclass_interface_decl)); |
| 6285 | if (base_class_clang_type.GetNumChildren(omit_empty_base_classes, |
| 6286 | exe_ctx) > 0) { |
| 6287 | if (idx == 0) { |
| 6288 | clang::QualType ivar_qual_type( |
| 6289 | getASTContext().getObjCInterfaceType( |
| 6290 | superclass_interface_decl)); |
| 6291 | |
| 6292 | child_name.assign( |
| 6293 | superclass_interface_decl->getNameAsString()); |
| 6294 | |
| 6295 | clang::TypeInfo ivar_type_info = |
| 6296 | getASTContext().getTypeInfo(ivar_qual_type.getTypePtr()); |
| 6297 | |
| 6298 | child_byte_size = ivar_type_info.Width / 8; |
| 6299 | child_byte_offset = 0; |
| 6300 | child_is_base_class = true; |
| 6301 | |
| 6302 | return GetType(ivar_qual_type); |
| 6303 | } |
| 6304 | |
| 6305 | ++child_idx; |