1 //===-- DWARFASTParserClang.h -----------------------------------*- C++ -*-===// 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 #ifndef SymbolFileDWARF_DWARFASTParserClang_h_ 10 #define SymbolFileDWARF_DWARFASTParserClang_h_ 11 12 #include "clang/AST/CharUnits.h" 13 #include "llvm/ADT/DenseMap.h" 14 #include "llvm/ADT/SmallPtrSet.h" 15 #include "llvm/ADT/SmallVector.h" 16 17 #include "DWARFASTParser.h" 18 #include "DWARFDefines.h" 19 #include "lldb/Core/ClangForward.h" 20 #include "lldb/Core/PluginInterface.h" 21 #include "lldb/Symbol/ClangASTContext.h" 22 #include "lldb/Symbol/ClangASTImporter.h" 23 24 #include <vector> 25 26 namespace lldb_private { 27 class CompileUnit; 28 } 29 class DWARFDebugInfoEntry; 30 class SymbolFileDWARF; 31 32 class DWARFASTParserClang : public DWARFASTParser { 33 public: 34 DWARFASTParserClang(lldb_private::ClangASTContext &ast); 35 36 ~DWARFASTParserClang() override; 37 38 // DWARFASTParser interface. 39 lldb::TypeSP ParseTypeFromDWARF(const lldb_private::SymbolContext &sc, 40 const DWARFDIE &die, lldb_private::Log *log, 41 bool *type_is_new_ptr) override; 42 43 lldb_private::Function * 44 ParseFunctionFromDWARF(lldb_private::CompileUnit &comp_unit, 45 const DWARFDIE &die) override; 46 47 bool 48 CompleteTypeFromDWARF(const DWARFDIE &die, lldb_private::Type *type, 49 lldb_private::CompilerType &compiler_type) override; 50 51 lldb_private::CompilerDecl 52 GetDeclForUIDFromDWARF(const DWARFDIE &die) override; 53 54 std::vector<DWARFDIE> 55 GetDIEForDeclContext(lldb_private::CompilerDeclContext decl_context) override; 56 57 lldb_private::CompilerDeclContext 58 GetDeclContextForUIDFromDWARF(const DWARFDIE &die) override; 59 60 lldb_private::CompilerDeclContext 61 GetDeclContextContainingUIDFromDWARF(const DWARFDIE &die) override; 62 63 lldb_private::ClangASTImporter &GetClangASTImporter(); 64 65 protected: 66 class DelayedAddObjCClassProperty; 67 typedef std::vector<DelayedAddObjCClassProperty> DelayedPropertyList; 68 69 clang::DeclContext *GetDeclContextForBlock(const DWARFDIE &die); 70 71 clang::BlockDecl *ResolveBlockDIE(const DWARFDIE &die); 72 73 clang::NamespaceDecl *ResolveNamespaceDIE(const DWARFDIE &die); 74 75 bool ParseTemplateDIE(const DWARFDIE &die, 76 lldb_private::ClangASTContext::TemplateParameterInfos 77 &template_param_infos); 78 bool ParseTemplateParameterInfos( 79 const DWARFDIE &parent_die, 80 lldb_private::ClangASTContext::TemplateParameterInfos 81 &template_param_infos); 82 83 bool ParseChildMembers( 84 const DWARFDIE &die, lldb_private::CompilerType &class_compiler_type, 85 const lldb::LanguageType class_language, 86 std::vector<std::unique_ptr<clang::CXXBaseSpecifier>> &base_classes, 87 std::vector<int> &member_accessibilities, 88 std::vector<DWARFDIE> &member_function_dies, 89 DelayedPropertyList &delayed_properties, 90 lldb::AccessType &default_accessibility, bool &is_a_class, 91 lldb_private::ClangASTImporter::LayoutInfo &layout_info); 92 93 size_t 94 ParseChildParameters(clang::DeclContext *containing_decl_ctx, 95 const DWARFDIE &parent_die, bool skip_artificial, 96 bool &is_static, bool &is_variadic, 97 bool &has_template_params, 98 std::vector<lldb_private::CompilerType> &function_args, 99 std::vector<clang::ParmVarDecl *> &function_param_decls, 100 unsigned &type_quals); 101 102 size_t ParseChildEnumerators(lldb_private::CompilerType &compiler_type, 103 bool is_signed, uint32_t enumerator_byte_size, 104 const DWARFDIE &parent_die); 105 106 lldb_private::Type *GetTypeForDIE(const DWARFDIE &die); 107 108 clang::Decl *GetClangDeclForDIE(const DWARFDIE &die); 109 110 clang::DeclContext *GetClangDeclContextForDIE(const DWARFDIE &die); 111 112 clang::DeclContext *GetClangDeclContextContainingDIE(const DWARFDIE &die, 113 DWARFDIE *decl_ctx_die); 114 115 bool CopyUniqueClassMethodTypes(const DWARFDIE &src_class_die, 116 const DWARFDIE &dst_class_die, 117 lldb_private::Type *class_type, 118 std::vector<DWARFDIE> &failures); 119 120 clang::DeclContext *GetCachedClangDeclContextForDIE(const DWARFDIE &die); 121 122 void LinkDeclContextToDIE(clang::DeclContext *decl_ctx, const DWARFDIE &die); 123 124 void LinkDeclToDIE(clang::Decl *decl, const DWARFDIE &die); 125 126 lldb::TypeSP ParseTypeFromDWO(const DWARFDIE &die, lldb_private::Log *log); 127 128 // Return true if this type is a declaration to a type in an external 129 // module. 130 lldb::ModuleSP GetModuleForType(const DWARFDIE &die); 131 132 typedef llvm::SmallPtrSet<const DWARFDebugInfoEntry *, 4> DIEPointerSet; 133 typedef llvm::DenseMap<const DWARFDebugInfoEntry *, clang::DeclContext *> 134 DIEToDeclContextMap; 135 // typedef llvm::DenseMap<const clang::DeclContext *, DIEPointerSet> 136 // DeclContextToDIEMap; 137 typedef std::multimap<const clang::DeclContext *, const DWARFDIE> 138 DeclContextToDIEMap; 139 typedef llvm::DenseMap<const DWARFDebugInfoEntry *, clang::Decl *> 140 DIEToDeclMap; 141 typedef llvm::DenseMap<const clang::Decl *, DIEPointerSet> DeclToDIEMap; 142 143 lldb_private::ClangASTContext &m_ast; 144 DIEToDeclMap m_die_to_decl; 145 DeclToDIEMap m_decl_to_die; 146 DIEToDeclContextMap m_die_to_decl_ctx; 147 DeclContextToDIEMap m_decl_ctx_to_die; 148 std::unique_ptr<lldb_private::ClangASTImporter> m_clang_ast_importer_up; 149 }; 150 151 #endif // SymbolFileDWARF_DWARFASTParserClang_h_ 152