contrib/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h

   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_