//===-- TypeSystemClang.cpp -----------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "TypeSystemClang.h" #include "clang/AST/DeclBase.h" #include "clang/AST/ExprCXX.h" #include "llvm/Support/Casting.h" #include "llvm/Support/FormatAdapters.h" #include "llvm/Support/FormatVariadic.h" #include <mutex> #include <memory> #include <string> #include <vector> #include "clang/AST/ASTContext.h" #include "clang/AST/ASTImporter.h" #include "clang/AST/Attr.h" #include "clang/AST/CXXInheritance.h" #include "clang/AST/DeclObjC.h" #include "clang/AST/DeclTemplate.h" #include "clang/AST/Mangle.h" #include "clang/AST/RecordLayout.h" #include "clang/AST/Type.h" #include "clang/AST/VTableBuilder.h" #include "clang/Basic/Builtins.h" #include "clang/Basic/Diagnostic.h" #include "clang/Basic/FileManager.h" #include "clang/Basic/FileSystemOptions.h" #include "clang/Basic/LangStandard.h" #include "clang/Basic/SourceManager.h" #include "clang/Basic/TargetInfo.h" #include "clang/Basic/TargetOptions.h" #include "clang/Frontend/FrontendOptions.h" #include "clang/Lex/HeaderSearch.h" #include "clang/Lex/HeaderSearchOptions.h" #include "clang/Lex/ModuleMap.h" #include "clang/Sema/Sema.h" #include "llvm/Support/Signals.h" #include "llvm/Support/Threading.h" #include "Plugins/ExpressionParser/Clang/ClangASTImporter.h" #include "Plugins/ExpressionParser/Clang/ClangASTMetadata.h" #include "Plugins/ExpressionParser/Clang/ClangExternalASTSourceCallbacks.h" #include "Plugins/ExpressionParser/Clang/ClangFunctionCaller.h" #include "Plugins/ExpressionParser/Clang/ClangPersistentVariables.h" #include "Plugins/ExpressionParser/Clang/ClangUserExpression.h" #include "Plugins/ExpressionParser/Clang/ClangUtil.h" #include "Plugins/ExpressionParser/Clang/ClangUtilityFunction.h" #include "lldb/Core/DumpDataExtractor.h" #include "lldb/Core/Module.h" #include "lldb/Core/PluginManager.h" #include "lldb/Core/UniqueCStringMap.h" #include "lldb/Host/StreamFile.h" #include "lldb/Symbol/ObjectFile.h" #include "lldb/Symbol/SymbolFile.h" #include "lldb/Target/ExecutionContext.h" #include "lldb/Target/Language.h" #include "lldb/Target/Process.h" #include "lldb/Target/Target.h" #include "lldb/Utility/ArchSpec.h" #include "lldb/Utility/DataExtractor.h" #include "lldb/Utility/Flags.h" #include "lldb/Utility/LLDBAssert.h" #include "lldb/Utility/LLDBLog.h" #include "lldb/Utility/RegularExpression.h" #include "lldb/Utility/Scalar.h" #include "lldb/Utility/ThreadSafeDenseMap.h" #include "Plugins/LanguageRuntime/ObjC/ObjCLanguageRuntime.h" #include "Plugins/SymbolFile/DWARF/DWARFASTParserClang.h" #include "Plugins/SymbolFile/PDB/PDBASTParser.h" #include "Plugins/SymbolFile/NativePDB/PdbAstBuilder.h" #include <cstdio> #include <mutex> #include <optional> usingnamespacelldb; usingnamespacelldb_private; usingnamespacelldb_private::dwarf; usingnamespacelldb_private::plugin::dwarf; usingnamespaceclang; StringSwitch; LLDB_PLUGIN_DEFINE(…) namespace { static void VerifyDecl(clang::Decl *decl) { … } static inline bool TypeSystemClangSupportsLanguage(lldb::LanguageType language) { … } // Checks whether m1 is an overload of m2 (as opposed to an override). This is // called by addOverridesForMethod to distinguish overrides (which share a // vtable entry) from overloads (which require distinct entries). bool isOverload(clang::CXXMethodDecl *m1, clang::CXXMethodDecl *m2) { … } // If decl is a virtual method, walk the base classes looking for methods that // decl overrides. This table of overridden methods is used by IRGen to // determine the vtable layout for decl's parent class. void addOverridesForMethod(clang::CXXMethodDecl *decl) { … } } static lldb::addr_t GetVTableAddress(Process &process, VTableContextBase &vtable_ctx, ValueObject &valobj, const ASTRecordLayout &record_layout) { … } static int64_t ReadVBaseOffsetFromVTable(Process &process, VTableContextBase &vtable_ctx, lldb::addr_t vtable_ptr, const CXXRecordDecl *cxx_record_decl, const CXXRecordDecl *base_class_decl) { … } static bool GetVBaseBitOffset(VTableContextBase &vtable_ctx, ValueObject &valobj, const ASTRecordLayout &record_layout, const CXXRecordDecl *cxx_record_decl, const CXXRecordDecl *base_class_decl, int32_t &bit_offset) { … } ClangASTMap; static ClangASTMap &GetASTMap() { … } TypePayloadClang::TypePayloadClang(OptionalClangModuleID owning_module, bool is_complete_objc_class) : … { … } void TypePayloadClang::SetOwningModule(OptionalClangModuleID id) { … } static void SetMemberOwningModule(clang::Decl *member, const clang::Decl *parent) { … } char TypeSystemClang::ID; bool TypeSystemClang::IsOperator(llvm::StringRef name, clang::OverloadedOperatorKind &op_kind) { … } clang::AccessSpecifier TypeSystemClang::ConvertAccessTypeToAccessSpecifier(AccessType access) { … } static void ParseLangArgs(LangOptions &Opts, ArchSpec arch) { … } TypeSystemClang::TypeSystemClang(llvm::StringRef name, llvm::Triple target_triple) { … } TypeSystemClang::TypeSystemClang(llvm::StringRef name, ASTContext &existing_ctxt) { … } // Destructor TypeSystemClang::~TypeSystemClang() { … } lldb::TypeSystemSP TypeSystemClang::CreateInstance(lldb::LanguageType language, lldb_private::Module *module, Target *target) { … } LanguageSet TypeSystemClang::GetSupportedLanguagesForTypes() { … } LanguageSet TypeSystemClang::GetSupportedLanguagesForExpressions() { … } void TypeSystemClang::Initialize() { … } void TypeSystemClang::Terminate() { … } void TypeSystemClang::Finalize() { … } void TypeSystemClang::setSema(Sema *s) { … } const char *TypeSystemClang::GetTargetTriple() { … } void TypeSystemClang::SetTargetTriple(llvm::StringRef target_triple) { … } void TypeSystemClang::SetExternalSource( llvm::IntrusiveRefCntPtr<ExternalASTSource> &ast_source_up) { … } ASTContext &TypeSystemClang::getASTContext() const { … } class NullDiagnosticConsumer : public DiagnosticConsumer { … }; void TypeSystemClang::CreateASTContext() { … } TypeSystemClang *TypeSystemClang::GetASTContext(clang::ASTContext *ast) { … } clang::MangleContext *TypeSystemClang::getMangleContext() { … } std::shared_ptr<clang::TargetOptions> &TypeSystemClang::getTargetOptions() { … } TargetInfo *TypeSystemClang::getTargetInfo() { … } #pragma mark Basic Types static inline bool QualTypeMatchesBitSize(const uint64_t bit_size, ASTContext &ast, QualType qual_type) { … } CompilerType TypeSystemClang::GetBuiltinTypeForEncodingAndBitSize(Encoding encoding, size_t bit_size) { … } lldb::BasicType TypeSystemClang::GetBasicTypeEnumeration(llvm::StringRef name) { … } uint32_t TypeSystemClang::GetPointerByteSize() { … } CompilerType TypeSystemClang::GetBasicType(lldb::BasicType basic_type) { … } CompilerType TypeSystemClang::GetBuiltinTypeForDWARFEncodingAndBitSize( llvm::StringRef type_name, uint32_t dw_ate, uint32_t bit_size) { … } CompilerType TypeSystemClang::GetCStringType(bool is_const) { … } bool TypeSystemClang::AreTypesSame(CompilerType type1, CompilerType type2, bool ignore_qualifiers) { … } CompilerType TypeSystemClang::GetTypeForDecl(void *opaque_decl) { … } CompilerDeclContext TypeSystemClang::CreateDeclContext(DeclContext *ctx) { … } CompilerType TypeSystemClang::GetTypeForDecl(clang::NamedDecl *decl) { … } CompilerType TypeSystemClang::GetTypeForDecl(TagDecl *decl) { … } CompilerType TypeSystemClang::GetTypeForDecl(ObjCInterfaceDecl *decl) { … } CompilerType TypeSystemClang::GetTypeForDecl(clang::ValueDecl *value_decl) { … } #pragma mark Structure, Unions, Classes void TypeSystemClang::SetOwningModule(clang::Decl *decl, OptionalClangModuleID owning_module) { … } OptionalClangModuleID TypeSystemClang::GetOrCreateClangModule(llvm::StringRef name, OptionalClangModuleID parent, bool is_framework, bool is_explicit) { … } CompilerType TypeSystemClang::CreateRecordType( clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, AccessType access_type, llvm::StringRef name, int kind, LanguageType language, std::optional<ClangASTMetadata> metadata, bool exports_symbols) { … } namespace { /// Returns true iff the given TemplateArgument should be represented as an /// NonTypeTemplateParmDecl in the AST. bool IsValueParam(const clang::TemplateArgument &argument) { … } void AddAccessSpecifierDecl(clang::CXXRecordDecl *cxx_record_decl, ASTContext &ct, clang::AccessSpecifier previous_access, clang::AccessSpecifier access_specifier) { … } } // namespace static TemplateParameterList *CreateTemplateParameterList( ASTContext &ast, const TypeSystemClang::TemplateParameterInfos &template_param_infos, llvm::SmallVector<NamedDecl *, 8> &template_param_decls) { … } std::string TypeSystemClang::PrintTemplateParams( const TemplateParameterInfos &template_param_infos) { … } clang::FunctionTemplateDecl *TypeSystemClang::CreateFunctionTemplateDecl( clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, clang::FunctionDecl *func_decl, const TemplateParameterInfos &template_param_infos) { … } void TypeSystemClang::CreateFunctionTemplateSpecializationInfo( FunctionDecl *func_decl, clang::FunctionTemplateDecl *func_tmpl_decl, const TemplateParameterInfos &infos) { … } /// Returns true if the given template parameter can represent the given value. /// For example, `typename T` can represent `int` but not integral values such /// as `int I = 3`. static bool TemplateParameterAllowsValue(NamedDecl *param, const TemplateArgument &value) { … } /// Returns true if the given class template declaration could produce an /// instantiation with the specified values. /// For example, `<typename T>` allows the arguments `float`, but not for /// example `bool, float` or `3` (as an integer parameter value). static bool ClassTemplateAllowsToInstantiationArgs( ClassTemplateDecl *class_template_decl, const TypeSystemClang::TemplateParameterInfos &instantiation_values) { … } ClassTemplateDecl *TypeSystemClang::CreateClassTemplateDecl( DeclContext *decl_ctx, OptionalClangModuleID owning_module, lldb::AccessType access_type, llvm::StringRef class_name, int kind, const TemplateParameterInfos &template_param_infos) { … } TemplateTemplateParmDecl * TypeSystemClang::CreateTemplateTemplateParmDecl(const char *template_name) { … } ClassTemplateSpecializationDecl * TypeSystemClang::CreateClassTemplateSpecializationDecl( DeclContext *decl_ctx, OptionalClangModuleID owning_module, ClassTemplateDecl *class_template_decl, int kind, const TemplateParameterInfos &template_param_infos) { … } CompilerType TypeSystemClang::CreateClassTemplateSpecializationType( ClassTemplateSpecializationDecl *class_template_specialization_decl) { … } static inline bool check_op_param(bool is_method, clang::OverloadedOperatorKind op_kind, bool unary, bool binary, uint32_t num_params) { … } bool TypeSystemClang::CheckOverloadedOperatorKindParameterCount( bool is_method, clang::OverloadedOperatorKind op_kind, uint32_t num_params) { … } clang::AccessSpecifier TypeSystemClang::UnifyAccessSpecifiers(clang::AccessSpecifier lhs, clang::AccessSpecifier rhs) { … } bool TypeSystemClang::FieldIsBitfield(FieldDecl *field, uint32_t &bitfield_bit_size) { … } bool TypeSystemClang::RecordHasFields(const RecordDecl *record_decl) { … } #pragma mark Objective-C Classes CompilerType TypeSystemClang::CreateObjCClass( llvm::StringRef name, clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, bool isInternal, std::optional<ClangASTMetadata> metadata) { … } bool TypeSystemClang::BaseSpecifierIsEmpty(const CXXBaseSpecifier *b) { … } uint32_t TypeSystemClang::GetNumBaseClasses(const CXXRecordDecl *cxx_record_decl, bool omit_empty_base_classes) { … } #pragma mark Namespace Declarations NamespaceDecl *TypeSystemClang::GetUniqueNamespaceDeclaration( const char *name, clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, bool is_inline) { … } clang::BlockDecl * TypeSystemClang::CreateBlockDeclaration(clang::DeclContext *ctx, OptionalClangModuleID owning_module) { … } clang::DeclContext *FindLCABetweenDecls(clang::DeclContext *left, clang::DeclContext *right, clang::DeclContext *root) { … } clang::UsingDirectiveDecl *TypeSystemClang::CreateUsingDirectiveDeclaration( clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, clang::NamespaceDecl *ns_decl) { … } clang::UsingDecl * TypeSystemClang::CreateUsingDeclaration(clang::DeclContext *current_decl_ctx, OptionalClangModuleID owning_module, clang::NamedDecl *target) { … } clang::VarDecl *TypeSystemClang::CreateVariableDeclaration( clang::DeclContext *decl_context, OptionalClangModuleID owning_module, const char *name, clang::QualType type) { … } lldb::opaque_compiler_type_t TypeSystemClang::GetOpaqueCompilerType(clang::ASTContext *ast, lldb::BasicType basic_type) { … } #pragma mark Function Types clang::DeclarationName TypeSystemClang::GetDeclarationName(llvm::StringRef name, const CompilerType &function_clang_type) { … } PrintingPolicy TypeSystemClang::GetTypePrintingPolicy() { … } std::string TypeSystemClang::GetTypeNameForDecl(const NamedDecl *named_decl, bool qualified) { … } FunctionDecl *TypeSystemClang::CreateFunctionDeclaration( clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, llvm::StringRef name, const CompilerType &function_clang_type, clang::StorageClass storage, bool is_inline) { … } CompilerType TypeSystemClang::CreateFunctionType( const CompilerType &result_type, const CompilerType *args, unsigned num_args, bool is_variadic, unsigned type_quals, clang::CallingConv cc, clang::RefQualifierKind ref_qual) { … } ParmVarDecl *TypeSystemClang::CreateParameterDeclaration( clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, const char *name, const CompilerType ¶m_type, int storage, bool add_decl) { … } void TypeSystemClang::SetFunctionParameters( FunctionDecl *function_decl, llvm::ArrayRef<ParmVarDecl *> params) { … } CompilerType TypeSystemClang::CreateBlockPointerType(const CompilerType &function_type) { … } #pragma mark Array Types CompilerType TypeSystemClang::CreateArrayType(const CompilerType &element_type, std::optional<size_t> element_count, bool is_vector) { … } CompilerType TypeSystemClang::CreateStructForIdentifier( llvm::StringRef type_name, const std::initializer_list<std::pair<const char *, CompilerType>> &type_fields, bool packed) { … } CompilerType TypeSystemClang::GetOrCreateStructForIdentifier( llvm::StringRef type_name, const std::initializer_list<std::pair<const char *, CompilerType>> &type_fields, bool packed) { … } #pragma mark Enumeration Types CompilerType TypeSystemClang::CreateEnumerationType( llvm::StringRef name, clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, const Declaration &decl, const CompilerType &integer_clang_type, bool is_scoped) { … } CompilerType TypeSystemClang::GetIntTypeFromBitSize(size_t bit_size, bool is_signed) { … } CompilerType TypeSystemClang::GetPointerSizedIntType(bool is_signed) { … } void TypeSystemClang::DumpDeclContextHiearchy(clang::DeclContext *decl_ctx) { … } void TypeSystemClang::DumpDeclHiearchy(clang::Decl *decl) { … } bool TypeSystemClang::GetCompleteDecl(clang::ASTContext *ast, clang::Decl *decl) { … } void TypeSystemClang::SetMetadataAsUserID(const clang::Decl *decl, user_id_t user_id) { … } void TypeSystemClang::SetMetadataAsUserID(const clang::Type *type, user_id_t user_id) { … } void TypeSystemClang::SetMetadata(const clang::Decl *object, ClangASTMetadata metadata) { … } void TypeSystemClang::SetMetadata(const clang::Type *object, ClangASTMetadata metadata) { … } std::optional<ClangASTMetadata> TypeSystemClang::GetMetadata(const clang::Decl *object) { … } std::optional<ClangASTMetadata> TypeSystemClang::GetMetadata(const clang::Type *object) { … } void TypeSystemClang::SetCXXRecordDeclAccess(const clang::CXXRecordDecl *object, clang::AccessSpecifier access) { … } clang::AccessSpecifier TypeSystemClang::GetCXXRecordDeclAccess(const clang::CXXRecordDecl *object) { … } clang::DeclContext * TypeSystemClang::GetDeclContextForType(const CompilerType &type) { … } CompilerDeclContext TypeSystemClang::GetCompilerDeclContextForType(const CompilerType &type) { … } /// Aggressively desugar the provided type, skipping past various kinds of /// syntactic sugar and other constructs one typically wants to ignore. /// The \p mask argument allows one to skip certain kinds of simplifications, /// when one wishes to handle a certain kind of type directly. static QualType RemoveWrappingTypes(QualType type, ArrayRef<clang::Type::TypeClass> mask = { … } clang::DeclContext * TypeSystemClang::GetDeclContextForType(clang::QualType type) { … } /// Returns the clang::RecordType of the specified \ref qual_type. This /// function will try to complete the type if necessary (and allowed /// by the specified \ref allow_completion). If we fail to return a *complete* /// type, returns nullptr. static const clang::RecordType *GetCompleteRecordType(clang::ASTContext *ast, clang::QualType qual_type, bool allow_completion) { … } /// Returns the clang::EnumType of the specified \ref qual_type. This /// function will try to complete the type if necessary (and allowed /// by the specified \ref allow_completion). If we fail to return a *complete* /// type, returns nullptr. static const clang::EnumType *GetCompleteEnumType(clang::ASTContext *ast, clang::QualType qual_type, bool allow_completion) { … } /// Returns the clang::ObjCObjectType of the specified \ref qual_type. This /// function will try to complete the type if necessary (and allowed /// by the specified \ref allow_completion). If we fail to return a *complete* /// type, returns nullptr. static const clang::ObjCObjectType * GetCompleteObjCObjectType(clang::ASTContext *ast, QualType qual_type, bool allow_completion) { … } static bool GetCompleteQualType(clang::ASTContext *ast, clang::QualType qual_type, bool allow_completion = true) { … } static clang::ObjCIvarDecl::AccessControl ConvertAccessTypeToObjCIvarAccessControl(AccessType access) { … } // Tests #ifndef NDEBUG bool TypeSystemClang::Verify(lldb::opaque_compiler_type_t type) { return !type || llvm::isa<clang::Type>(GetQualType(type).getTypePtr()); } #endif bool TypeSystemClang::IsAggregateType(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsAnonymousType(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsArrayType(lldb::opaque_compiler_type_t type, CompilerType *element_type_ptr, uint64_t *size, bool *is_incomplete) { … } bool TypeSystemClang::IsVectorType(lldb::opaque_compiler_type_t type, CompilerType *element_type, uint64_t *size) { … } bool TypeSystemClang::IsRuntimeGeneratedType( lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsCharType(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsCompleteType(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsConst(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsCStringType(lldb::opaque_compiler_type_t type, uint32_t &length) { … } unsigned TypeSystemClang::GetPtrAuthKey(lldb::opaque_compiler_type_t type) { … } unsigned TypeSystemClang::GetPtrAuthDiscriminator(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::GetPtrAuthAddressDiversity( lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsFunctionType(lldb::opaque_compiler_type_t type) { … } // Used to detect "Homogeneous Floating-point Aggregates" uint32_t TypeSystemClang::IsHomogeneousAggregate(lldb::opaque_compiler_type_t type, CompilerType *base_type_ptr) { … } size_t TypeSystemClang::GetNumberOfFunctionArguments( lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::GetFunctionArgumentAtIndex(lldb::opaque_compiler_type_t type, const size_t index) { … } bool TypeSystemClang::IsTypeImpl( lldb::opaque_compiler_type_t type, llvm::function_ref<bool(clang::QualType)> predicate) const { … } bool TypeSystemClang::IsMemberFunctionPointerType( lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsFunctionPointerType(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsBlockPointerType( lldb::opaque_compiler_type_t type, CompilerType *function_pointer_type_ptr) { … } bool TypeSystemClang::IsIntegerType(lldb::opaque_compiler_type_t type, bool &is_signed) { … } bool TypeSystemClang::IsEnumerationType(lldb::opaque_compiler_type_t type, bool &is_signed) { … } bool TypeSystemClang::IsScopedEnumerationType( lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsPointerType(lldb::opaque_compiler_type_t type, CompilerType *pointee_type) { … } bool TypeSystemClang::IsPointerOrReferenceType( lldb::opaque_compiler_type_t type, CompilerType *pointee_type) { … } bool TypeSystemClang::IsReferenceType(lldb::opaque_compiler_type_t type, CompilerType *pointee_type, bool *is_rvalue) { … } bool TypeSystemClang::IsFloatingPointType(lldb::opaque_compiler_type_t type, uint32_t &count, bool &is_complex) { … } bool TypeSystemClang::IsDefined(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsObjCClassType(const CompilerType &type) { … } bool TypeSystemClang::IsObjCObjectOrInterfaceType(const CompilerType &type) { … } bool TypeSystemClang::IsClassType(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsEnumType(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsPolymorphicClass(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsPossibleDynamicType(lldb::opaque_compiler_type_t type, CompilerType *dynamic_pointee_type, bool check_cplusplus, bool check_objc) { … } bool TypeSystemClang::IsScalarType(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsTypedefType(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsVoidType(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::CanPassInRegisters(const CompilerType &type) { … } bool TypeSystemClang::SupportsLanguage(lldb::LanguageType language) { … } std::optional<std::string> TypeSystemClang::GetCXXClassName(const CompilerType &type) { … } bool TypeSystemClang::IsCXXClassType(const CompilerType &type) { … } bool TypeSystemClang::IsBeingDefined(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::IsObjCObjectPointerType(const CompilerType &type, CompilerType *class_type_ptr) { … } // Type Completion bool TypeSystemClang::GetCompleteType(lldb::opaque_compiler_type_t type) { … } ConstString TypeSystemClang::GetTypeName(lldb::opaque_compiler_type_t type, bool base_only) { … } ConstString TypeSystemClang::GetDisplayTypeName(lldb::opaque_compiler_type_t type) { … } uint32_t TypeSystemClang::GetTypeInfo(lldb::opaque_compiler_type_t type, CompilerType *pointee_or_element_clang_type) { … } lldb::LanguageType TypeSystemClang::GetMinimumLanguage(lldb::opaque_compiler_type_t type) { … } lldb::TypeClass TypeSystemClang::GetTypeClass(lldb::opaque_compiler_type_t type) { … } unsigned TypeSystemClang::GetTypeQualifiers(lldb::opaque_compiler_type_t type) { … } // Creating related types CompilerType TypeSystemClang::GetArrayElementType(lldb::opaque_compiler_type_t type, ExecutionContextScope *exe_scope) { … } CompilerType TypeSystemClang::GetArrayType(lldb::opaque_compiler_type_t type, uint64_t size) { … } CompilerType TypeSystemClang::GetCanonicalType(lldb::opaque_compiler_type_t type) { … } static clang::QualType GetFullyUnqualifiedType_Impl(clang::ASTContext *ast, clang::QualType qual_type) { … } CompilerType TypeSystemClang::GetFullyUnqualifiedType(lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::GetEnumerationIntegerType(lldb::opaque_compiler_type_t type) { … } int TypeSystemClang::GetFunctionArgumentCount( lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::GetFunctionArgumentTypeAtIndex( lldb::opaque_compiler_type_t type, size_t idx) { … } CompilerType TypeSystemClang::GetFunctionReturnType(lldb::opaque_compiler_type_t type) { … } size_t TypeSystemClang::GetNumMemberFunctions(lldb::opaque_compiler_type_t type) { … } TypeMemberFunctionImpl TypeSystemClang::GetMemberFunctionAtIndex(lldb::opaque_compiler_type_t type, size_t idx) { … } CompilerType TypeSystemClang::GetNonReferenceType(lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::GetPointeeType(lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::GetPointerType(lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::GetLValueReferenceType(lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::GetRValueReferenceType(lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::GetAtomicType(lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::AddConstModifier(lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::AddPtrAuthModifier(lldb::opaque_compiler_type_t type, uint32_t payload) { … } CompilerType TypeSystemClang::AddVolatileModifier(lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::AddRestrictModifier(lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::CreateTypedef( lldb::opaque_compiler_type_t type, const char *typedef_name, const CompilerDeclContext &compiler_decl_ctx, uint32_t payload) { … } CompilerType TypeSystemClang::GetTypedefedType(lldb::opaque_compiler_type_t type) { … } // Create related types using the current type's AST CompilerType TypeSystemClang::GetBasicTypeFromAST(lldb::BasicType basic_type) { … } CompilerType TypeSystemClang::CreateGenericFunctionPrototype() { … } // Exploring the type const llvm::fltSemantics & TypeSystemClang::GetFloatTypeSemantics(size_t byte_size) { … } std::optional<uint64_t> TypeSystemClang::GetObjCBitSize(QualType qual_type, ExecutionContextScope *exe_scope) { … } std::optional<uint64_t> TypeSystemClang::GetBitSize(lldb::opaque_compiler_type_t type, ExecutionContextScope *exe_scope) { … } std::optional<size_t> TypeSystemClang::GetTypeBitAlign(lldb::opaque_compiler_type_t type, ExecutionContextScope *exe_scope) { … } lldb::Encoding TypeSystemClang::GetEncoding(lldb::opaque_compiler_type_t type, uint64_t &count) { … } lldb::Format TypeSystemClang::GetFormat(lldb::opaque_compiler_type_t type) { … } static bool ObjCDeclHasIVars(clang::ObjCInterfaceDecl *class_interface_decl, bool check_superclass) { … } static std::optional<SymbolFile::ArrayInfo> GetDynamicArrayInfo(TypeSystemClang &ast, SymbolFile *sym_file, clang::QualType qual_type, const ExecutionContext *exe_ctx) { … } llvm::Expected<uint32_t> TypeSystemClang::GetNumChildren(lldb::opaque_compiler_type_t type, bool omit_empty_base_classes, const ExecutionContext *exe_ctx) { … } CompilerType TypeSystemClang::GetBuiltinTypeByName(ConstString name) { … } lldb::BasicType TypeSystemClang::GetBasicTypeEnumeration(lldb::opaque_compiler_type_t type) { … } void TypeSystemClang::ForEachEnumerator( lldb::opaque_compiler_type_t type, std::function<bool(const CompilerType &integer_type, ConstString name, const llvm::APSInt &value)> const &callback) { … } #pragma mark Aggregate Types uint32_t TypeSystemClang::GetNumFields(lldb::opaque_compiler_type_t type) { … } static lldb::opaque_compiler_type_t GetObjCFieldAtIndex(clang::ASTContext *ast, clang::ObjCInterfaceDecl *class_interface_decl, size_t idx, std::string &name, uint64_t *bit_offset_ptr, uint32_t *bitfield_bit_size_ptr, bool *is_bitfield_ptr) { … } CompilerType TypeSystemClang::GetFieldAtIndex(lldb::opaque_compiler_type_t type, size_t idx, std::string &name, uint64_t *bit_offset_ptr, uint32_t *bitfield_bit_size_ptr, bool *is_bitfield_ptr) { … } uint32_t TypeSystemClang::GetNumDirectBaseClasses(lldb::opaque_compiler_type_t type) { … } uint32_t TypeSystemClang::GetNumVirtualBaseClasses(lldb::opaque_compiler_type_t type) { … } CompilerType TypeSystemClang::GetDirectBaseClassAtIndex( lldb::opaque_compiler_type_t type, size_t idx, uint32_t *bit_offset_ptr) { … } CompilerType TypeSystemClang::GetVirtualBaseClassAtIndex( lldb::opaque_compiler_type_t type, size_t idx, uint32_t *bit_offset_ptr) { … } CompilerDecl TypeSystemClang::GetStaticFieldWithName(lldb::opaque_compiler_type_t type, llvm::StringRef name) { … } // If a pointer to a pointee type (the clang_type arg) says that it has no // children, then we either need to trust it, or override it and return a // different result. For example, an "int *" has one child that is an integer, // but a function pointer doesn't have any children. Likewise if a Record type // claims it has no children, then there really is nothing to show. uint32_t TypeSystemClang::GetNumPointeeChildren(clang::QualType type) { … } llvm::Expected<CompilerType> TypeSystemClang::GetChildCompilerTypeAtIndex( lldb::opaque_compiler_type_t type, ExecutionContext *exe_ctx, size_t idx, bool transparent_pointers, bool omit_empty_base_classes, bool ignore_array_bounds, std::string &child_name, uint32_t &child_byte_size, int32_t &child_byte_offset, uint32_t &child_bitfield_bit_size, uint32_t &child_bitfield_bit_offset, bool &child_is_base_class, bool &child_is_deref_of_parent, ValueObject *valobj, uint64_t &language_flags) { … } uint32_t TypeSystemClang::GetIndexForRecordBase( const clang::RecordDecl *record_decl, const clang::CXXBaseSpecifier *base_spec, bool omit_empty_base_classes) { … } uint32_t TypeSystemClang::GetIndexForRecordChild( const clang::RecordDecl *record_decl, clang::NamedDecl *canonical_decl, bool omit_empty_base_classes) { … } // Look for a child member (doesn't include base classes, but it does include // their members) in the type hierarchy. Returns an index path into // "clang_type" on how to reach the appropriate member. // // class A // { // public: // int m_a; // int m_b; // }; // // class B // { // }; // // class C : // public B, // public A // { // }; // // If we have a clang type that describes "class C", and we wanted to looked // "m_b" in it: // // With omit_empty_base_classes == false we would get an integer array back // with: { 1, 1 } The first index 1 is the child index for "class A" within // class C The second index 1 is the child index for "m_b" within class A // // With omit_empty_base_classes == true we would get an integer array back // with: { 0, 1 } The first index 0 is the child index for "class A" within // class C (since class B doesn't have any members it doesn't count) The second // index 1 is the child index for "m_b" within class A size_t TypeSystemClang::GetIndexOfChildMemberWithName( lldb::opaque_compiler_type_t type, llvm::StringRef name, bool omit_empty_base_classes, std::vector<uint32_t> &child_indexes) { … } // Get the index of the child of "clang_type" whose name matches. This function // doesn't descend into the children, but only looks one level deep and name // matches can include base class names. uint32_t TypeSystemClang::GetIndexOfChildWithName(lldb::opaque_compiler_type_t type, llvm::StringRef name, bool omit_empty_base_classes) { … } CompilerType TypeSystemClang::GetDirectNestedTypeWithName(lldb::opaque_compiler_type_t type, llvm::StringRef name) { … } bool TypeSystemClang::IsTemplateType(lldb::opaque_compiler_type_t type) { … } size_t TypeSystemClang::GetNumTemplateArguments(lldb::opaque_compiler_type_t type, bool expand_pack) { … } const clang::ClassTemplateSpecializationDecl * TypeSystemClang::GetAsTemplateSpecialization( lldb::opaque_compiler_type_t type) { … } const TemplateArgument * GetNthTemplateArgument(const clang::ClassTemplateSpecializationDecl *decl, size_t idx, bool expand_pack) { … } lldb::TemplateArgumentKind TypeSystemClang::GetTemplateArgumentKind(lldb::opaque_compiler_type_t type, size_t arg_idx, bool expand_pack) { … } CompilerType TypeSystemClang::GetTypeTemplateArgument(lldb::opaque_compiler_type_t type, size_t idx, bool expand_pack) { … } std::optional<CompilerType::IntegralTemplateArgument> TypeSystemClang::GetIntegralTemplateArgument(lldb::opaque_compiler_type_t type, size_t idx, bool expand_pack) { … } CompilerType TypeSystemClang::GetTypeForFormatters(void *type) { … } clang::EnumDecl *TypeSystemClang::GetAsEnumDecl(const CompilerType &type) { … } clang::RecordDecl *TypeSystemClang::GetAsRecordDecl(const CompilerType &type) { … } clang::TagDecl *TypeSystemClang::GetAsTagDecl(const CompilerType &type) { … } clang::TypedefNameDecl * TypeSystemClang::GetAsTypedefDecl(const CompilerType &type) { … } clang::CXXRecordDecl * TypeSystemClang::GetAsCXXRecordDecl(lldb::opaque_compiler_type_t type) { … } clang::ObjCInterfaceDecl * TypeSystemClang::GetAsObjCInterfaceDecl(const CompilerType &type) { … } clang::FieldDecl *TypeSystemClang::AddFieldToRecordType( const CompilerType &type, llvm::StringRef name, const CompilerType &field_clang_type, AccessType access, uint32_t bitfield_bit_size) { … } void TypeSystemClang::BuildIndirectFields(const CompilerType &type) { … } void TypeSystemClang::SetIsPacked(const CompilerType &type) { … } clang::VarDecl *TypeSystemClang::AddVariableToRecordType( const CompilerType &type, llvm::StringRef name, const CompilerType &var_type, AccessType access) { … } void TypeSystemClang::SetIntegerInitializerForVariable( VarDecl *var, const llvm::APInt &init_value) { … } void TypeSystemClang::SetFloatingInitializerForVariable( clang::VarDecl *var, const llvm::APFloat &init_value) { … } clang::CXXMethodDecl *TypeSystemClang::AddMethodToCXXRecordType( lldb::opaque_compiler_type_t type, llvm::StringRef name, const char *mangled_name, const CompilerType &method_clang_type, lldb::AccessType access, bool is_virtual, bool is_static, bool is_inline, bool is_explicit, bool is_attr_used, bool is_artificial) { … } void TypeSystemClang::AddMethodOverridesForCXXRecordType( lldb::opaque_compiler_type_t type) { … } #pragma mark C++ Base Classes std::unique_ptr<clang::CXXBaseSpecifier> TypeSystemClang::CreateBaseClassSpecifier(lldb::opaque_compiler_type_t type, AccessType access, bool is_virtual, bool base_of_class) { … } bool TypeSystemClang::TransferBaseClasses( lldb::opaque_compiler_type_t type, std::vector<std::unique_ptr<clang::CXXBaseSpecifier>> bases) { … } bool TypeSystemClang::SetObjCSuperClass( const CompilerType &type, const CompilerType &superclass_clang_type) { … } bool TypeSystemClang::AddObjCClassProperty( const CompilerType &type, const char *property_name, const CompilerType &property_clang_type, clang::ObjCIvarDecl *ivar_decl, const char *property_setter_name, const char *property_getter_name, uint32_t property_attributes, ClangASTMetadata metadata) { … } bool TypeSystemClang::IsObjCClassTypeAndHasIVars(const CompilerType &type, bool check_superclass) { … } clang::ObjCMethodDecl *TypeSystemClang::AddMethodToObjCObjectType( const CompilerType &type, const char *name, // the full symbol name as seen in the symbol table // (lldb::opaque_compiler_type_t type, "-[NString // stringWithCString:]") const CompilerType &method_clang_type, bool is_artificial, bool is_variadic, bool is_objc_direct_call) { … } bool TypeSystemClang::SetHasExternalStorage(lldb::opaque_compiler_type_t type, bool has_extern) { … } #pragma mark TagDecl bool TypeSystemClang::StartTagDeclarationDefinition(const CompilerType &type) { … } bool TypeSystemClang::CompleteTagDeclarationDefinition( const CompilerType &type) { … } clang::EnumConstantDecl *TypeSystemClang::AddEnumerationValueToEnumerationType( const CompilerType &enum_type, const Declaration &decl, const char *name, const llvm::APSInt &value) { … } clang::EnumConstantDecl *TypeSystemClang::AddEnumerationValueToEnumerationType( const CompilerType &enum_type, const Declaration &decl, const char *name, int64_t enum_value, uint32_t enum_value_bit_size) { … } CompilerType TypeSystemClang::GetEnumerationIntegerType(CompilerType type) { … } CompilerType TypeSystemClang::CreateMemberPointerType(const CompilerType &type, const CompilerType &pointee_type) { … } // Dumping types #define DEPTH_INCREMENT … #ifndef NDEBUG LLVM_DUMP_METHOD void TypeSystemClang::dump(lldb::opaque_compiler_type_t type) const { if (!type) return; clang::QualType qual_type(GetQualType(type)); qual_type.dump(); } #endif void TypeSystemClang::Dump(llvm::raw_ostream &output) { … } void TypeSystemClang::DumpFromSymbolFile(Stream &s, llvm::StringRef symbol_name) { … } static bool DumpEnumValue(const clang::QualType &qual_type, Stream &s, const DataExtractor &data, lldb::offset_t byte_offset, size_t byte_size, uint32_t bitfield_bit_offset, uint32_t bitfield_bit_size) { … } bool TypeSystemClang::DumpTypeValue( lldb::opaque_compiler_type_t type, Stream &s, lldb::Format format, const lldb_private::DataExtractor &data, lldb::offset_t byte_offset, size_t byte_size, uint32_t bitfield_bit_size, uint32_t bitfield_bit_offset, ExecutionContextScope *exe_scope) { … } void TypeSystemClang::DumpTypeDescription(lldb::opaque_compiler_type_t type, lldb::DescriptionLevel level) { … } void TypeSystemClang::DumpTypeDescription(lldb::opaque_compiler_type_t type, Stream &s, lldb::DescriptionLevel level) { … } void TypeSystemClang::DumpTypeName(const CompilerType &type) { … } clang::ClassTemplateDecl *TypeSystemClang::ParseClassTemplateDecl( clang::DeclContext *decl_ctx, OptionalClangModuleID owning_module, lldb::AccessType access_type, const char *parent_name, int tag_decl_kind, const TypeSystemClang::TemplateParameterInfos &template_param_infos) { … } void TypeSystemClang::CompleteTagDecl(clang::TagDecl *decl) { … } void TypeSystemClang::CompleteObjCInterfaceDecl( clang::ObjCInterfaceDecl *decl) { … } DWARFASTParser *TypeSystemClang::GetDWARFParser() { … } PDBASTParser *TypeSystemClang::GetPDBParser() { … } npdb::PdbAstBuilder *TypeSystemClang::GetNativePDBParser() { … } bool TypeSystemClang::LayoutRecordType( const clang::RecordDecl *record_decl, uint64_t &bit_size, uint64_t &alignment, llvm::DenseMap<const clang::FieldDecl *, uint64_t> &field_offsets, llvm::DenseMap<const clang::CXXRecordDecl *, clang::CharUnits> &base_offsets, llvm::DenseMap<const clang::CXXRecordDecl *, clang::CharUnits> &vbase_offsets) { … } // CompilerDecl override functions ConstString TypeSystemClang::DeclGetName(void *opaque_decl) { … } ConstString TypeSystemClang::DeclGetMangledName(void *opaque_decl) { … } CompilerDeclContext TypeSystemClang::DeclGetDeclContext(void *opaque_decl) { … } CompilerType TypeSystemClang::DeclGetFunctionReturnType(void *opaque_decl) { … } size_t TypeSystemClang::DeclGetFunctionNumArguments(void *opaque_decl) { … } static CompilerContextKind GetCompilerKind(clang::Decl::Kind clang_kind, clang::DeclContext const *decl_ctx) { … } static void InsertCompilerContext(TypeSystemClang *ts, clang::DeclContext *decl_ctx, std::vector<lldb_private::CompilerContext> &context) { … } std::vector<lldb_private::CompilerContext> TypeSystemClang::DeclGetCompilerContext(void *opaque_decl) { … } CompilerType TypeSystemClang::DeclGetFunctionArgumentType(void *opaque_decl, size_t idx) { … } Scalar TypeSystemClang::DeclGetConstantValue(void *opaque_decl) { … } // CompilerDeclContext functions std::vector<CompilerDecl> TypeSystemClang::DeclContextFindDeclByName( void *opaque_decl_ctx, ConstString name, const bool ignore_using_decls) { … } // Look for child_decl_ctx's lookup scope in frame_decl_ctx and its parents, // and return the number of levels it took to find it, or // LLDB_INVALID_DECL_LEVEL if not found. If the decl was imported via a using // declaration, its name and/or type, if set, will be used to check that the // decl found in the scope is a match. // // The optional name is required by languages (like C++) to handle using // declarations like: // // void poo(); // namespace ns { // void foo(); // void goo(); // } // void bar() { // using ns::foo; // // CountDeclLevels returns 0 for 'foo', 1 for 'poo', and // // LLDB_INVALID_DECL_LEVEL for 'goo'. // } // // The optional type is useful in the case that there's a specific overload // that we're looking for that might otherwise be shadowed, like: // // void foo(int); // namespace ns { // void foo(); // } // void bar() { // using ns::foo; // // CountDeclLevels returns 0 for { 'foo', void() }, // // 1 for { 'foo', void(int) }, and // // LLDB_INVALID_DECL_LEVEL for { 'foo', void(int, int) }. // } // // NOTE: Because file statics are at the TranslationUnit along with globals, a // function at file scope will return the same level as a function at global // scope. Ideally we'd like to treat the file scope as an additional scope just // below the global scope. More work needs to be done to recognise that, if // the decl we're trying to look up is static, we should compare its source // file with that of the current scope and return a lower number for it. uint32_t TypeSystemClang::CountDeclLevels(clang::DeclContext *frame_decl_ctx, clang::DeclContext *child_decl_ctx, ConstString *child_name, CompilerType *child_type) { … } ConstString TypeSystemClang::DeclContextGetName(void *opaque_decl_ctx) { … } ConstString TypeSystemClang::DeclContextGetScopeQualifiedName(void *opaque_decl_ctx) { … } bool TypeSystemClang::DeclContextIsClassMethod(void *opaque_decl_ctx) { … } std::vector<lldb_private::CompilerContext> TypeSystemClang::DeclContextGetCompilerContext(void *opaque_decl_ctx) { … } bool TypeSystemClang::DeclContextIsContainedInLookup( void *opaque_decl_ctx, void *other_opaque_decl_ctx) { … } lldb::LanguageType TypeSystemClang::DeclContextGetLanguage(void *opaque_decl_ctx) { … } static bool IsClangDeclContext(const CompilerDeclContext &dc) { … } clang::DeclContext * TypeSystemClang::DeclContextGetAsDeclContext(const CompilerDeclContext &dc) { … } ObjCMethodDecl * TypeSystemClang::DeclContextGetAsObjCMethodDecl(const CompilerDeclContext &dc) { … } CXXMethodDecl * TypeSystemClang::DeclContextGetAsCXXMethodDecl(const CompilerDeclContext &dc) { … } clang::FunctionDecl * TypeSystemClang::DeclContextGetAsFunctionDecl(const CompilerDeclContext &dc) { … } clang::NamespaceDecl * TypeSystemClang::DeclContextGetAsNamespaceDecl(const CompilerDeclContext &dc) { … } std::optional<ClangASTMetadata> TypeSystemClang::DeclContextGetMetaData(const CompilerDeclContext &dc, const Decl *object) { … } clang::ASTContext * TypeSystemClang::DeclContextGetTypeSystemClang(const CompilerDeclContext &dc) { … } void TypeSystemClang::RequireCompleteType(CompilerType type) { … } namespace { /// A specialized scratch AST used within ScratchTypeSystemClang. /// These are the ASTs backing the different IsolatedASTKinds. They behave /// like a normal ScratchTypeSystemClang but they don't own their own /// persistent storage or target reference. class SpecializedScratchAST : public TypeSystemClang { … }; } // namespace char ScratchTypeSystemClang::ID; const std::nullopt_t ScratchTypeSystemClang::DefaultAST = …; ScratchTypeSystemClang::ScratchTypeSystemClang(Target &target, llvm::Triple triple) : … { … } void ScratchTypeSystemClang::Finalize() { … } TypeSystemClangSP ScratchTypeSystemClang::GetForTarget(Target &target, std::optional<IsolatedASTKind> ast_kind, bool create_on_demand) { … } /// Returns a human-readable name that uniquely identifiers the sub-AST kind. static llvm::StringRef GetNameForIsolatedASTKind(ScratchTypeSystemClang::IsolatedASTKind kind) { … } void ScratchTypeSystemClang::Dump(llvm::raw_ostream &output) { … } UserExpression *ScratchTypeSystemClang::GetUserExpression( llvm::StringRef expr, llvm::StringRef prefix, SourceLanguage language, Expression::ResultType desired_type, const EvaluateExpressionOptions &options, ValueObject *ctx_obj) { … } FunctionCaller *ScratchTypeSystemClang::GetFunctionCaller( const CompilerType &return_type, const Address &function_address, const ValueList &arg_value_list, const char *name) { … } std::unique_ptr<UtilityFunction> ScratchTypeSystemClang::CreateUtilityFunction(std::string text, std::string name) { … } PersistentExpressionState * ScratchTypeSystemClang::GetPersistentExpressionState() { … } void ScratchTypeSystemClang::ForgetSource(ASTContext *src_ctx, ClangASTImporter &importer) { … } std::unique_ptr<ClangASTSource> ScratchTypeSystemClang::CreateASTSource() { … } static llvm::StringRef GetSpecializedASTName(ScratchTypeSystemClang::IsolatedASTKind feature) { … } TypeSystemClang &ScratchTypeSystemClang::GetIsolatedAST( ScratchTypeSystemClang::IsolatedASTKind feature) { … } bool TypeSystemClang::IsForcefullyCompleted(lldb::opaque_compiler_type_t type) { … } bool TypeSystemClang::SetDeclIsForcefullyCompleted(const clang::TagDecl *td) { … } void TypeSystemClang::LogCreation() const { … }
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