source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h

   1 //===-- DWARFASTParserClang.h -----------------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef SymbolFileDWARF_DWARFASTParserClang_h_
  11 #define SymbolFileDWARF_DWARFASTParserClang_h_
  12
  13 #include "clang/AST/CharUnits.h"
  14 #include "llvm/ADT/DenseMap.h"
  15 #include "llvm/ADT/SmallPtrSet.h"
  16 #include "llvm/ADT/SmallVector.h"
  17
  18 #include "DWARFASTParser.h"
  19 #include "DWARFDefines.h"
  20 #include "lldb/Core/ClangForward.h"
  21 #include "lldb/Core/PluginInterface.h"
  22 #include "lldb/Symbol/ClangASTContext.h"
  23 #include "lldb/Symbol/ClangASTImporter.h"
  24
  25 namespace lldb_private {
  26 class CompileUnit;
  27 }
  28 class DWARFDebugInfoEntry;
  29 class DWARFDIECollection;
  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 lldb_private::SymbolContext &sc, const DWARFDIE &die,
  85       lldb_private::CompilerType &class_compiler_type,
  86       const lldb::LanguageType class_language,
  87       std::vector<std::unique_ptr<clang::CXXBaseSpecifier>> &base_classes,
  88       std::vector<int> &member_accessibilities,
  89       DWARFDIECollection &member_function_dies,
  90       DelayedPropertyList &delayed_properties,
  91       lldb::AccessType &default_accessibility, bool &is_a_class,
  92       lldb_private::ClangASTImporter::LayoutInfo &layout_info);
  93
  94   size_t
  95   ParseChildParameters(lldb_private::CompileUnit &comp_unit,
  96                        clang::DeclContext *containing_decl_ctx,
  97                        const DWARFDIE &parent_die, bool skip_artificial,
  98                        bool &is_static, bool &is_variadic,
  99                        bool &has_template_params,
 100                        std::vector<lldb_private::CompilerType> &function_args,
 101                        std::vector<clang::ParmVarDecl *> &function_param_decls,
 102                        unsigned &type_quals);
 103
 104   size_t ParseChildEnumerators(const lldb_private::SymbolContext &sc,
 105                                lldb_private::CompilerType &compiler_type,
 106                                bool is_signed, uint32_t enumerator_byte_size,
 107                                const DWARFDIE &parent_die);
 108
 109   lldb_private::Type *GetTypeForDIE(const DWARFDIE &die);
 110
 111   clang::Decl *GetClangDeclForDIE(const DWARFDIE &die);
 112
 113   clang::DeclContext *GetClangDeclContextForDIE(const DWARFDIE &die);
 114
 115   clang::DeclContext *GetClangDeclContextContainingDIE(const DWARFDIE &die,
 116                                                        DWARFDIE *decl_ctx_die);
 117
 118   bool CopyUniqueClassMethodTypes(const DWARFDIE &src_class_die,
 119                                   const DWARFDIE &dst_class_die,
 120                                   lldb_private::Type *class_type,
 121                                   DWARFDIECollection &failures);
 122
 123   clang::DeclContext *GetCachedClangDeclContextForDIE(const DWARFDIE &die);
 124
 125   void LinkDeclContextToDIE(clang::DeclContext *decl_ctx, const DWARFDIE &die);
 126
 127   void LinkDeclToDIE(clang::Decl *decl, const DWARFDIE &die);
 128
 129   lldb::TypeSP ParseTypeFromDWO(const DWARFDIE &die, lldb_private::Log *log);
 130
 131   //----------------------------------------------------------------------
 132   // Return true if this type is a declaration to a type in an external
 133   // module.
 134   //----------------------------------------------------------------------
 135   lldb::ModuleSP GetModuleForType(const DWARFDIE &die);
 136
 137   typedef llvm::SmallPtrSet<const DWARFDebugInfoEntry *, 4> DIEPointerSet;
 138   typedef llvm::DenseMap<const DWARFDebugInfoEntry *, clang::DeclContext *>
 139       DIEToDeclContextMap;
 140   // typedef llvm::DenseMap<const clang::DeclContext *, DIEPointerSet>
 141   // DeclContextToDIEMap;
 142   typedef std::multimap<const clang::DeclContext *, const DWARFDIE>
 143       DeclContextToDIEMap;
 144   typedef llvm::DenseMap<const DWARFDebugInfoEntry *, clang::Decl *>
 145       DIEToDeclMap;
 146   typedef llvm::DenseMap<const clang::Decl *, DIEPointerSet> DeclToDIEMap;
 147
 148   lldb_private::ClangASTContext &m_ast;
 149   DIEToDeclMap m_die_to_decl;
 150   DeclToDIEMap m_decl_to_die;
 151   DIEToDeclContextMap m_die_to_decl_ctx;
 152   DeclContextToDIEMap m_decl_ctx_to_die;
 153   std::unique_ptr<lldb_private::ClangASTImporter> m_clang_ast_importer_ap;
 154 };
 155
 156 #endif // SymbolFileDWARF_DWARFASTParserClang_h_