contrib/llvm/tools/lldb/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 // C Includes
  14 // C++ Includes
  15 // Other libraries and framework includes
  16 #include "clang/AST/CharUnits.h"
  17 #include "llvm/ADT/DenseMap.h"
  18 #include "llvm/ADT/SmallPtrSet.h"
  19 #include "llvm/ADT/SmallVector.h"
  20
  21 // Project includes
  22 #include "DWARFASTParser.h"
  23 #include "DWARFDefines.h"
  24 #include "lldb/Core/ClangForward.h"
  25 #include "lldb/Core/PluginInterface.h"
  26 #include "lldb/Symbol/ClangASTContext.h"
  27 #include "lldb/Symbol/ClangASTImporter.h"
  28
  29 class DWARFDebugInfoEntry;
  30 class DWARFDIECollection;
  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(const lldb_private::SymbolContext &sc,
  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
  84   ParseChildMembers(const lldb_private::SymbolContext &sc, const DWARFDIE &die,
  85                     lldb_private::CompilerType &class_compiler_type,
  86                     const lldb::LanguageType class_language,
  87                     std::vector<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(const lldb_private::SymbolContext &sc,
  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   void ParseChildArrayInfo(const lldb_private::SymbolContext &sc,
 105                            const DWARFDIE &parent_die, int64_t &first_index,
 106                            std::vector<uint64_t> &element_orders,
 107                            uint32_t &byte_stride, uint32_t &bit_stride);
 108
 109   size_t ParseChildEnumerators(const lldb_private::SymbolContext &sc,
 110                                lldb_private::CompilerType &compiler_type,
 111                                bool is_signed, uint32_t enumerator_byte_size,
 112                                const DWARFDIE &parent_die);
 113
 114   lldb_private::Type *GetTypeForDIE(const DWARFDIE &die);
 115
 116   clang::Decl *GetClangDeclForDIE(const DWARFDIE &die);
 117
 118   clang::DeclContext *GetClangDeclContextForDIE(const DWARFDIE &die);
 119
 120   clang::DeclContext *GetClangDeclContextContainingDIE(const DWARFDIE &die,
 121                                                        DWARFDIE *decl_ctx_die);
 122
 123   bool CopyUniqueClassMethodTypes(const DWARFDIE &src_class_die,
 124                                   const DWARFDIE &dst_class_die,
 125                                   lldb_private::Type *class_type,
 126                                   DWARFDIECollection &failures);
 127
 128   clang::DeclContext *GetCachedClangDeclContextForDIE(const DWARFDIE &die);
 129
 130   void LinkDeclContextToDIE(clang::DeclContext *decl_ctx, const DWARFDIE &die);
 131
 132   void LinkDeclToDIE(clang::Decl *decl, const DWARFDIE &die);
 133
 134   lldb::TypeSP ParseTypeFromDWO(const DWARFDIE &die, lldb_private::Log *log);
 135
 136   //----------------------------------------------------------------------
 137   // Return true if this type is a declaration to a type in an external
 138   // module.
 139   //----------------------------------------------------------------------
 140   lldb::ModuleSP GetModuleForType(const DWARFDIE &die);
 141
 142   typedef llvm::SmallPtrSet<const DWARFDebugInfoEntry *, 4> DIEPointerSet;
 143   typedef llvm::DenseMap<const DWARFDebugInfoEntry *, clang::DeclContext *>
 144       DIEToDeclContextMap;
 145   // typedef llvm::DenseMap<const clang::DeclContext *, DIEPointerSet>
 146   // DeclContextToDIEMap;
 147   typedef std::multimap<const clang::DeclContext *, const DWARFDIE>
 148       DeclContextToDIEMap;
 149   typedef llvm::DenseMap<const DWARFDebugInfoEntry *, clang::Decl *>
 150       DIEToDeclMap;
 151   typedef llvm::DenseMap<const clang::Decl *, DIEPointerSet> DeclToDIEMap;
 152
 153   lldb_private::ClangASTContext &m_ast;
 154   DIEToDeclMap m_die_to_decl;
 155   DeclToDIEMap m_decl_to_die;
 156   DIEToDeclContextMap m_die_to_decl_ctx;
 157   DeclContextToDIEMap m_decl_ctx_to_die;
 158   std::unique_ptr<lldb_private::ClangASTImporter> m_clang_ast_importer_ap;
 159 };
 160
 161 #endif // SymbolFileDWARF_DWARFASTParserClang_h_