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 LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_SYMBOLFILEDWARFDWO_H
10 #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_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(SymbolFileDWARF &m_base_symbol_file,
28                      lldb::ObjectFileSP objfile, uint32_t id);
29 
30   ~SymbolFileDWARFDwo() override = default;
31 
32   DWARFCompileUnit *GetDWOCompileUnitForHash(uint64_t hash);
33 
34   void GetObjCMethods(lldb_private::ConstString class_name,
35                       llvm::function_ref<bool(DWARFDIE die)> callback) override;
36 
37   llvm::Expected<lldb_private::TypeSystem &>
38   GetTypeSystemForLanguage(lldb::LanguageType language) override;
39 
40   DWARFDIE
41   GetDIE(const DIERef &die_ref) override;
42 
43   llvm::Optional<uint32_t> GetDwoNum() override { return GetID() >> 32; }
44 
45 protected:
46   DIEToTypePtr &GetDIEToType() override;
47 
48   DIEToVariableSP &GetDIEToVariable() override;
49 
50   DIEToClangType &GetForwardDeclDieToClangType() override;
51 
52   ClangTypeToDIE &GetForwardDeclClangTypeToDie() override;
53 
54   UniqueDWARFASTTypeMap &GetUniqueDWARFASTTypeMap() override;
55 
56   lldb::TypeSP FindDefinitionTypeForDWARFDeclContext(
57       const DWARFDeclContext &die_decl_ctx) override;
58 
59   lldb::TypeSP FindCompleteObjCDefinitionTypeForDIE(
60       const DWARFDIE &die, lldb_private::ConstString type_name,
61       bool must_be_implementation) override;
62 
63   SymbolFileDWARF &GetBaseSymbolFile() { return m_base_symbol_file; }
64 
65   /// If this file contains exactly one compile unit, this function will return
66   /// it. Otherwise it returns nullptr.
67   DWARFCompileUnit *FindSingleCompileUnit();
68 
69   SymbolFileDWARF &m_base_symbol_file;
70 };
71 
72 #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_SYMBOLFILEDWARFDWO_H
73