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 "llvm/ADT/DenseMap.h"
  17 #include "llvm/ADT/SmallPtrSet.h"
  18 #include "llvm/ADT/SmallVector.h"
  19 #include "clang/AST/CharUnits.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 {
  34 public:
  35     DWARFASTParserClang (lldb_private::ClangASTContext &ast);
  36
  37     ~DWARFASTParserClang() override;
  38
  39     // DWARFASTParser interface.
  40     lldb::TypeSP
  41     ParseTypeFromDWARF (const lldb_private::SymbolContext& sc,
  42                         const DWARFDIE &die,
  43                         lldb_private::Log *log,
  44                         bool *type_is_new_ptr) override;
  45
  46
  47     lldb_private::Function *
  48     ParseFunctionFromDWARF (const lldb_private::SymbolContext& sc,
  49                             const DWARFDIE &die) override;
  50
  51     bool
  52     CompleteTypeFromDWARF (const DWARFDIE &die,
  53                            lldb_private::Type *type,
  54                            lldb_private::CompilerType &compiler_type) override;
  55
  56     lldb_private::CompilerDecl
  57     GetDeclForUIDFromDWARF (const DWARFDIE &die) override;
  58
  59     std::vector<DWARFDIE>
  60     GetDIEForDeclContext (lldb_private::CompilerDeclContext decl_context) override;
  61
  62     lldb_private::CompilerDeclContext
  63     GetDeclContextForUIDFromDWARF (const DWARFDIE &die) override;
  64
  65     lldb_private::CompilerDeclContext
  66     GetDeclContextContainingUIDFromDWARF (const DWARFDIE &die) override;
  67
  68     lldb_private::ClangASTImporter &
  69     GetClangASTImporter();
  70
  71 protected:
  72     class DelayedAddObjCClassProperty;
  73     typedef std::vector <DelayedAddObjCClassProperty> DelayedPropertyList;
  74
  75     clang::BlockDecl *
  76     ResolveBlockDIE (const DWARFDIE &die);
  77
  78     clang::NamespaceDecl *
  79     ResolveNamespaceDIE (const DWARFDIE &die);
  80
  81     bool
  82     ParseTemplateDIE (const DWARFDIE &die,
  83                       lldb_private::ClangASTContext::TemplateParameterInfos &template_param_infos);
  84     bool
  85     ParseTemplateParameterInfos (const DWARFDIE &parent_die,
  86                                  lldb_private::ClangASTContext::TemplateParameterInfos &template_param_infos);
  87
  88     bool
  89     ParseChildMembers(const lldb_private::SymbolContext &sc, const DWARFDIE &die,
  90                       lldb_private::CompilerType &class_compiler_type, const lldb::LanguageType class_language,
  91                       std::vector<clang::CXXBaseSpecifier *> &base_classes, std::vector<int> &member_accessibilities,
  92                       DWARFDIECollection &member_function_dies, DelayedPropertyList &delayed_properties,
  93                       lldb::AccessType &default_accessibility, bool &is_a_class,
  94                       lldb_private::ClangASTImporter::LayoutInfo &layout_info);
  95
  96     size_t
  97     ParseChildParameters (const lldb_private::SymbolContext& sc,
  98                           clang::DeclContext *containing_decl_ctx,
  99                           const DWARFDIE &parent_die,
 100                           bool skip_artificial,
 101                           bool &is_static,
 102                           bool &is_variadic,
 103                           bool &has_template_params,
 104                           std::vector<lldb_private::CompilerType>& function_args,
 105                           std::vector<clang::ParmVarDecl*>& function_param_decls,
 106                           unsigned &type_quals);
 107
 108     void
 109     ParseChildArrayInfo (const lldb_private::SymbolContext& sc,
 110                          const DWARFDIE &parent_die,
 111                          int64_t& first_index,
 112                          std::vector<uint64_t>& element_orders,
 113                          uint32_t& byte_stride,
 114                          uint32_t& bit_stride);
 115
 116     size_t
 117     ParseChildEnumerators (const lldb_private::SymbolContext& sc,
 118                            lldb_private::CompilerType &compiler_type,
 119                            bool is_signed,
 120                            uint32_t enumerator_byte_size,
 121                            const DWARFDIE &parent_die);
 122
 123     lldb_private::Type *
 124     GetTypeForDIE (const DWARFDIE &die);
 125
 126     clang::Decl *
 127     GetClangDeclForDIE (const DWARFDIE &die);
 128
 129     clang::DeclContext *
 130     GetClangDeclContextForDIE (const DWARFDIE &die);
 131
 132     clang::DeclContext *
 133     GetClangDeclContextContainingDIE (const DWARFDIE &die,
 134                                       DWARFDIE *decl_ctx_die);
 135
 136     bool
 137     CopyUniqueClassMethodTypes (const DWARFDIE &src_class_die,
 138                                 const DWARFDIE &dst_class_die,
 139                                 lldb_private::Type *class_type,
 140                                 DWARFDIECollection &failures);
 141
 142     clang::DeclContext *
 143     GetCachedClangDeclContextForDIE (const DWARFDIE &die);
 144
 145     void
 146     LinkDeclContextToDIE (clang::DeclContext *decl_ctx,
 147                           const DWARFDIE &die);
 148
 149     void
 150     LinkDeclToDIE (clang::Decl *decl, const DWARFDIE &die);
 151
 152     lldb::TypeSP
 153     ParseTypeFromDWO (const DWARFDIE &die, lldb_private::Log *log);
 154
 155     //----------------------------------------------------------------------
 156     // Return true if this type is a declaration to a type in an external
 157     // module.
 158     //----------------------------------------------------------------------
 159     lldb::ModuleSP
 160     GetModuleForType (const DWARFDIE &die);
 161
 162     typedef llvm::SmallPtrSet<const DWARFDebugInfoEntry *, 4> DIEPointerSet;
 163     typedef llvm::DenseMap<const DWARFDebugInfoEntry *, clang::DeclContext *> DIEToDeclContextMap;
 164     //typedef llvm::DenseMap<const clang::DeclContext *, DIEPointerSet> DeclContextToDIEMap;
 165     typedef std::multimap<const clang::DeclContext *, const DWARFDIE> DeclContextToDIEMap;
 166     typedef llvm::DenseMap<const DWARFDebugInfoEntry *, clang::Decl *> DIEToDeclMap;
 167     typedef llvm::DenseMap<const clang::Decl *, DIEPointerSet> DeclToDIEMap;
 168
 169     lldb_private::ClangASTContext &m_ast;
 170     DIEToDeclMap m_die_to_decl;
 171     DeclToDIEMap m_decl_to_die;
 172     DIEToDeclContextMap m_die_to_decl_ctx;
 173     DeclContextToDIEMap m_decl_ctx_to_die;
 174     std::unique_ptr<lldb_private::ClangASTImporter> m_clang_ast_importer_ap;
 175 };
 176
 177 #endif // SymbolFileDWARF_DWARFASTParserClang_h_