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

   1 //===-- SymbolFileDWARFDwo.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 SymbolFileDWARFDwo_SymbolFileDWARFDwo_h_
  10 #define SymbolFileDWARFDwo_SymbolFileDWARFDwo_h_
  11
  12 #include "SymbolFileDWARF.h"
  13
  14 class SymbolFileDWARFDwo : public SymbolFileDWARF {
  15   /// LLVM RTTI support.
  16   static char ID;
  17
  18 public:
  19   /// LLVM RTTI support.
  20   /// \{
  21   bool isA(const void *ClassID) const override {
  22     return ClassID == &ID || SymbolFileDWARF::isA(ClassID);
  23   }
  24   static bool classof(const SymbolFile *obj) { return obj->isA(&ID); }
  25   /// \}
  26
  27   SymbolFileDWARFDwo(lldb::ObjectFileSP objfile, DWARFCompileUnit &dwarf_cu);
  28
  29   ~SymbolFileDWARFDwo() override = default;
  30
  31   lldb::CompUnitSP ParseCompileUnit(DWARFCompileUnit &dwarf_cu) override;
  32
  33   DWARFCompileUnit *GetCompileUnit();
  34
  35   DWARFUnit *
  36   GetDWARFCompileUnit(lldb_private::CompileUnit *comp_unit) override;
  37
  38   size_t GetObjCMethodDIEOffsets(lldb_private::ConstString class_name,
  39                                  DIEArray &method_die_offsets) override;
  40
  41   llvm::Expected<lldb_private::TypeSystem &>
  42   GetTypeSystemForLanguage(lldb::LanguageType language) override;
  43
  44   DWARFDIE
  45   GetDIE(const DIERef &die_ref) override;
  46
  47   DWARFCompileUnit *GetBaseCompileUnit() override { return &m_base_dwarf_cu; }
  48
  49   llvm::Optional<uint32_t> GetDwoNum() override { return GetID() >> 32; }
  50
  51 protected:
  52   void LoadSectionData(lldb::SectionType sect_type,
  53                        lldb_private::DWARFDataExtractor &data) override;
  54
  55   DIEToTypePtr &GetDIEToType() override;
  56
  57   DIEToVariableSP &GetDIEToVariable() override;
  58
  59   DIEToClangType &GetForwardDeclDieToClangType() override;
  60
  61   ClangTypeToDIE &GetForwardDeclClangTypeToDie() override;
  62
  63   UniqueDWARFASTTypeMap &GetUniqueDWARFASTTypeMap() override;
  64
  65   lldb::TypeSP FindDefinitionTypeForDWARFDeclContext(
  66       const DWARFDeclContext &die_decl_ctx) override;
  67
  68   lldb::TypeSP FindCompleteObjCDefinitionTypeForDIE(
  69       const DWARFDIE &die, lldb_private::ConstString type_name,
  70       bool must_be_implementation) override;
  71
  72   SymbolFileDWARF &GetBaseSymbolFile();
  73
  74   DWARFCompileUnit *ComputeCompileUnit();
  75
  76   DWARFCompileUnit &m_base_dwarf_cu;
  77   DWARFCompileUnit *m_cu = nullptr;
  78 };
  79
  80 #endif // SymbolFileDWARFDwo_SymbolFileDWARFDwo_h_