b9c1b51e45
*** to conform to clang-format’s LLVM style. This kind of mass change has
*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
effort. Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):
find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.
Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit. There are alternatives available that will attempt
to look through this change and find the appropriate prior commit. YMMV.
llvm-svn: 280751
525 lines
19 KiB
C++
525 lines
19 KiB
C++
//===-- SymbolFileDWARF.h --------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SymbolFileDWARF_SymbolFileDWARF_h_
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#define SymbolFileDWARF_SymbolFileDWARF_h_
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// C Includes
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// C++ Includes
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#include <list>
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#include <map>
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#include <mutex>
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#include <set>
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#include <unordered_map>
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#include <vector>
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// Other libraries and framework includes
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#include "llvm/ADT/DenseMap.h"
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#include "lldb/Core/ConstString.h"
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#include "lldb/Core/Flags.h"
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#include "lldb/Core/RangeMap.h"
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#include "lldb/Core/UniqueCStringMap.h"
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#include "lldb/Core/dwarf.h"
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#include "lldb/Expression/DWARFExpression.h"
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#include "lldb/Symbol/DebugMacros.h"
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#include "lldb/Symbol/SymbolContext.h"
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#include "lldb/Symbol/SymbolFile.h"
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#include "lldb/lldb-private.h"
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// Project includes
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#include "DWARFDataExtractor.h"
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#include "DWARFDefines.h"
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#include "HashedNameToDIE.h"
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#include "NameToDIE.h"
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#include "UniqueDWARFASTType.h"
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//----------------------------------------------------------------------
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// Forward Declarations for this DWARF plugin
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//----------------------------------------------------------------------
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class DebugMapModule;
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class DWARFAbbreviationDeclaration;
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class DWARFAbbreviationDeclarationSet;
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class DWARFileUnit;
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class DWARFDebugAbbrev;
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class DWARFDebugAranges;
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class DWARFDebugInfo;
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class DWARFDebugInfoEntry;
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class DWARFDebugLine;
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class DWARFDebugPubnames;
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class DWARFDebugRanges;
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class DWARFDeclContext;
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class DWARFDIECollection;
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class DWARFFormValue;
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class SymbolFileDWARFDebugMap;
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class SymbolFileDWARFDwo;
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#define DIE_IS_BEING_PARSED ((lldb_private::Type *)1)
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class SymbolFileDWARF : public lldb_private::SymbolFile,
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public lldb_private::UserID {
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public:
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friend class SymbolFileDWARFDebugMap;
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friend class SymbolFileDWARFDwo;
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friend class DebugMapModule;
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friend struct DIERef;
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friend class DWARFCompileUnit;
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friend class DWARFDIE;
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friend class DWARFASTParserClang;
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friend class DWARFASTParserGo;
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friend class DWARFASTParserJava;
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friend class DWARFASTParserOCaml;
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//------------------------------------------------------------------
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// Static Functions
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//------------------------------------------------------------------
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static void Initialize();
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static void Terminate();
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static void DebuggerInitialize(lldb_private::Debugger &debugger);
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static lldb_private::ConstString GetPluginNameStatic();
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static const char *GetPluginDescriptionStatic();
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static lldb_private::SymbolFile *
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CreateInstance(lldb_private::ObjectFile *obj_file);
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//------------------------------------------------------------------
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// Constructors and Destructors
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//------------------------------------------------------------------
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SymbolFileDWARF(lldb_private::ObjectFile *ofile);
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~SymbolFileDWARF() override;
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uint32_t CalculateAbilities() override;
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void InitializeObject() override;
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//------------------------------------------------------------------
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// Compile Unit function calls
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//------------------------------------------------------------------
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uint32_t GetNumCompileUnits() override;
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lldb::CompUnitSP ParseCompileUnitAtIndex(uint32_t index) override;
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lldb::LanguageType
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ParseCompileUnitLanguage(const lldb_private::SymbolContext &sc) override;
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size_t
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ParseCompileUnitFunctions(const lldb_private::SymbolContext &sc) override;
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bool
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ParseCompileUnitLineTable(const lldb_private::SymbolContext &sc) override;
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bool
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ParseCompileUnitDebugMacros(const lldb_private::SymbolContext &sc) override;
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bool ParseCompileUnitSupportFiles(
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const lldb_private::SymbolContext &sc,
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lldb_private::FileSpecList &support_files) override;
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bool
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ParseCompileUnitIsOptimized(const lldb_private::SymbolContext &sc) override;
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bool ParseImportedModules(
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const lldb_private::SymbolContext &sc,
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std::vector<lldb_private::ConstString> &imported_modules) override;
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size_t ParseFunctionBlocks(const lldb_private::SymbolContext &sc) override;
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size_t ParseTypes(const lldb_private::SymbolContext &sc) override;
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size_t
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ParseVariablesForContext(const lldb_private::SymbolContext &sc) override;
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lldb_private::Type *ResolveTypeUID(lldb::user_id_t type_uid) override;
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bool CompleteType(lldb_private::CompilerType &compiler_type) override;
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lldb_private::Type *ResolveType(const DWARFDIE &die,
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bool assert_not_being_parsed = true,
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bool resolve_function_context = false);
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SymbolFileDWARF *GetDWARFForUID(lldb::user_id_t uid);
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DWARFDIE
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GetDIEFromUID(lldb::user_id_t uid);
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lldb_private::CompilerDecl GetDeclForUID(lldb::user_id_t uid) override;
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lldb_private::CompilerDeclContext
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GetDeclContextForUID(lldb::user_id_t uid) override;
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lldb_private::CompilerDeclContext
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GetDeclContextContainingUID(lldb::user_id_t uid) override;
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void
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ParseDeclsForContext(lldb_private::CompilerDeclContext decl_ctx) override;
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uint32_t ResolveSymbolContext(const lldb_private::Address &so_addr,
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uint32_t resolve_scope,
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lldb_private::SymbolContext &sc) override;
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uint32_t
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ResolveSymbolContext(const lldb_private::FileSpec &file_spec, uint32_t line,
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bool check_inlines, uint32_t resolve_scope,
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lldb_private::SymbolContextList &sc_list) override;
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uint32_t
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FindGlobalVariables(const lldb_private::ConstString &name,
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const lldb_private::CompilerDeclContext *parent_decl_ctx,
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bool append, uint32_t max_matches,
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lldb_private::VariableList &variables) override;
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uint32_t FindGlobalVariables(const lldb_private::RegularExpression ®ex,
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bool append, uint32_t max_matches,
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lldb_private::VariableList &variables) override;
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uint32_t
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FindFunctions(const lldb_private::ConstString &name,
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const lldb_private::CompilerDeclContext *parent_decl_ctx,
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uint32_t name_type_mask, bool include_inlines, bool append,
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lldb_private::SymbolContextList &sc_list) override;
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uint32_t FindFunctions(const lldb_private::RegularExpression ®ex,
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bool include_inlines, bool append,
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lldb_private::SymbolContextList &sc_list) override;
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void GetMangledNamesForFunction(
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const std::string &scope_qualified_name,
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std::vector<lldb_private::ConstString> &mangled_names) override;
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uint32_t
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FindTypes(const lldb_private::SymbolContext &sc,
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const lldb_private::ConstString &name,
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const lldb_private::CompilerDeclContext *parent_decl_ctx,
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bool append, uint32_t max_matches,
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llvm::DenseSet<lldb_private::SymbolFile *> &searched_symbol_files,
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lldb_private::TypeMap &types) override;
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size_t FindTypes(const std::vector<lldb_private::CompilerContext> &context,
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bool append, lldb_private::TypeMap &types) override;
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lldb_private::TypeList *GetTypeList() override;
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size_t GetTypes(lldb_private::SymbolContextScope *sc_scope,
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uint32_t type_mask,
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lldb_private::TypeList &type_list) override;
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lldb_private::TypeSystem *
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GetTypeSystemForLanguage(lldb::LanguageType language) override;
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lldb_private::CompilerDeclContext FindNamespace(
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const lldb_private::SymbolContext &sc,
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const lldb_private::ConstString &name,
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const lldb_private::CompilerDeclContext *parent_decl_ctx) override;
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//------------------------------------------------------------------
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// PluginInterface protocol
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//------------------------------------------------------------------
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lldb_private::ConstString GetPluginName() override;
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uint32_t GetPluginVersion() override;
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const lldb_private::DWARFDataExtractor &get_debug_abbrev_data();
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const lldb_private::DWARFDataExtractor &get_debug_addr_data();
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const lldb_private::DWARFDataExtractor &get_debug_aranges_data();
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const lldb_private::DWARFDataExtractor &get_debug_frame_data();
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const lldb_private::DWARFDataExtractor &get_debug_info_data();
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const lldb_private::DWARFDataExtractor &get_debug_line_data();
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const lldb_private::DWARFDataExtractor &get_debug_macro_data();
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const lldb_private::DWARFDataExtractor &get_debug_loc_data();
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const lldb_private::DWARFDataExtractor &get_debug_ranges_data();
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const lldb_private::DWARFDataExtractor &get_debug_str_data();
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const lldb_private::DWARFDataExtractor &get_debug_str_offsets_data();
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const lldb_private::DWARFDataExtractor &get_apple_names_data();
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const lldb_private::DWARFDataExtractor &get_apple_types_data();
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const lldb_private::DWARFDataExtractor &get_apple_namespaces_data();
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const lldb_private::DWARFDataExtractor &get_apple_objc_data();
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DWARFDebugAbbrev *DebugAbbrev();
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const DWARFDebugAbbrev *DebugAbbrev() const;
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DWARFDebugInfo *DebugInfo();
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const DWARFDebugInfo *DebugInfo() const;
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DWARFDebugRanges *DebugRanges();
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const DWARFDebugRanges *DebugRanges() const;
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static bool SupportedVersion(uint16_t version);
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DWARFDIE
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GetDeclContextDIEContainingDIE(const DWARFDIE &die);
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bool
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HasForwardDeclForClangType(const lldb_private::CompilerType &compiler_type);
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lldb_private::CompileUnit *
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GetCompUnitForDWARFCompUnit(DWARFCompileUnit *dwarf_cu,
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uint32_t cu_idx = UINT32_MAX);
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size_t GetObjCMethodDIEOffsets(lldb_private::ConstString class_name,
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DIEArray &method_die_offsets);
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bool Supports_DW_AT_APPLE_objc_complete_type(DWARFCompileUnit *cu);
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lldb_private::DebugMacrosSP ParseDebugMacros(lldb::offset_t *offset);
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static DWARFDIE GetParentSymbolContextDIE(const DWARFDIE &die);
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virtual lldb::CompUnitSP ParseCompileUnit(DWARFCompileUnit *dwarf_cu,
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uint32_t cu_idx);
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virtual lldb_private::DWARFExpression::LocationListFormat
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GetLocationListFormat() const;
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lldb::ModuleSP GetDWOModule(lldb_private::ConstString name);
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virtual DWARFDIE GetDIE(const DIERef &die_ref);
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virtual std::unique_ptr<SymbolFileDWARFDwo>
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GetDwoSymbolFileForCompileUnit(DWARFCompileUnit &dwarf_cu,
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const DWARFDebugInfoEntry &cu_die);
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protected:
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typedef llvm::DenseMap<const DWARFDebugInfoEntry *, lldb_private::Type *>
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DIEToTypePtr;
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typedef llvm::DenseMap<const DWARFDebugInfoEntry *, lldb::VariableSP>
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DIEToVariableSP;
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typedef llvm::DenseMap<const DWARFDebugInfoEntry *,
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lldb::opaque_compiler_type_t>
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DIEToClangType;
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typedef llvm::DenseMap<lldb::opaque_compiler_type_t, DIERef> ClangTypeToDIE;
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struct DWARFDataSegment {
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std::once_flag m_flag;
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lldb_private::DWARFDataExtractor m_data;
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};
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DISALLOW_COPY_AND_ASSIGN(SymbolFileDWARF);
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const lldb_private::DWARFDataExtractor &
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GetCachedSectionData(lldb::SectionType sect_type,
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DWARFDataSegment &data_segment);
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virtual void LoadSectionData(lldb::SectionType sect_type,
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lldb_private::DWARFDataExtractor &data);
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bool DeclContextMatchesThisSymbolFile(
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const lldb_private::CompilerDeclContext *decl_ctx);
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bool
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DIEInDeclContext(const lldb_private::CompilerDeclContext *parent_decl_ctx,
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const DWARFDIE &die);
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virtual DWARFCompileUnit *
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GetDWARFCompileUnit(lldb_private::CompileUnit *comp_unit);
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DWARFCompileUnit *GetNextUnparsedDWARFCompileUnit(DWARFCompileUnit *prev_cu);
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bool GetFunction(const DWARFDIE &die, lldb_private::SymbolContext &sc);
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lldb_private::Function *
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ParseCompileUnitFunction(const lldb_private::SymbolContext &sc,
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const DWARFDIE &die);
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size_t ParseFunctionBlocks(const lldb_private::SymbolContext &sc,
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lldb_private::Block *parent_block,
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const DWARFDIE &die,
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lldb::addr_t subprogram_low_pc, uint32_t depth);
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size_t ParseTypes(const lldb_private::SymbolContext &sc, const DWARFDIE &die,
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bool parse_siblings, bool parse_children);
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lldb::TypeSP ParseType(const lldb_private::SymbolContext &sc,
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const DWARFDIE &die, bool *type_is_new);
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lldb_private::Type *ResolveTypeUID(const DWARFDIE &die,
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bool assert_not_being_parsed);
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lldb_private::Type *ResolveTypeUID(const DIERef &die_ref);
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lldb::VariableSP ParseVariableDIE(const lldb_private::SymbolContext &sc,
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const DWARFDIE &die,
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const lldb::addr_t func_low_pc);
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size_t ParseVariables(const lldb_private::SymbolContext &sc,
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const DWARFDIE &orig_die,
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const lldb::addr_t func_low_pc, bool parse_siblings,
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bool parse_children,
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lldb_private::VariableList *cc_variable_list = NULL);
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bool ClassOrStructIsVirtual(const DWARFDIE &die);
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// Given a die_offset, figure out the symbol context representing that die.
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bool ResolveFunction(const DIERef &die_ref, bool include_inlines,
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lldb_private::SymbolContextList &sc_list);
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bool ResolveFunction(const DWARFDIE &die, bool include_inlines,
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lldb_private::SymbolContextList &sc_list);
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void FindFunctions(const lldb_private::ConstString &name,
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const NameToDIE &name_to_die, bool include_inlines,
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lldb_private::SymbolContextList &sc_list);
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void FindFunctions(const lldb_private::RegularExpression ®ex,
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const NameToDIE &name_to_die, bool include_inlines,
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lldb_private::SymbolContextList &sc_list);
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void FindFunctions(const lldb_private::RegularExpression ®ex,
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const DWARFMappedHash::MemoryTable &memory_table,
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bool include_inlines,
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lldb_private::SymbolContextList &sc_list);
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virtual lldb::TypeSP
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FindDefinitionTypeForDWARFDeclContext(const DWARFDeclContext &die_decl_ctx);
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lldb::TypeSP FindCompleteObjCDefinitionTypeForDIE(
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const DWARFDIE &die, const lldb_private::ConstString &type_name,
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bool must_be_implementation);
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lldb::TypeSP
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FindCompleteObjCDefinitionType(const lldb_private::ConstString &type_name,
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bool header_definition_ok);
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lldb_private::Symbol *
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GetObjCClassSymbol(const lldb_private::ConstString &objc_class_name);
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void ParseFunctions(const DIEArray &die_offsets, bool include_inlines,
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lldb_private::SymbolContextList &sc_list);
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lldb::TypeSP GetTypeForDIE(const DWARFDIE &die,
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bool resolve_function_context = false);
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void Index();
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void DumpIndexes();
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void SetDebugMapModule(const lldb::ModuleSP &module_sp) {
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m_debug_map_module_wp = module_sp;
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}
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SymbolFileDWARFDebugMap *GetDebugMapSymfile();
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DWARFDIE
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FindBlockContainingSpecification(const DIERef &func_die_ref,
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dw_offset_t spec_block_die_offset);
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DWARFDIE
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FindBlockContainingSpecification(const DWARFDIE &die,
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dw_offset_t spec_block_die_offset);
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virtual UniqueDWARFASTTypeMap &GetUniqueDWARFASTTypeMap();
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bool DIEDeclContextsMatch(const DWARFDIE &die1, const DWARFDIE &die2);
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bool ClassContainsSelector(const DWARFDIE &class_die,
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const lldb_private::ConstString &selector);
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bool FixupAddress(lldb_private::Address &addr);
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typedef std::set<lldb_private::Type *> TypeSet;
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typedef std::map<lldb_private::ConstString, lldb::ModuleSP>
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ExternalTypeModuleMap;
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void GetTypes(const DWARFDIE &die, dw_offset_t min_die_offset,
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dw_offset_t max_die_offset, uint32_t type_mask,
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TypeSet &type_set);
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typedef lldb_private::RangeDataVector<lldb::addr_t, lldb::addr_t,
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lldb_private::Variable *>
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GlobalVariableMap;
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GlobalVariableMap &GetGlobalAranges();
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void UpdateExternalModuleListIfNeeded();
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virtual DIEToTypePtr &GetDIEToType() { return m_die_to_type; }
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virtual DIEToVariableSP &GetDIEToVariable() { return m_die_to_variable_sp; }
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virtual DIEToClangType &GetForwardDeclDieToClangType() {
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return m_forward_decl_die_to_clang_type;
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}
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virtual ClangTypeToDIE &GetForwardDeclClangTypeToDie() {
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return m_forward_decl_clang_type_to_die;
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}
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lldb::ModuleWP m_debug_map_module_wp;
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SymbolFileDWARFDebugMap *m_debug_map_symfile;
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lldb_private::DWARFDataExtractor m_dwarf_data;
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DWARFDataSegment m_data_debug_abbrev;
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DWARFDataSegment m_data_debug_addr;
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DWARFDataSegment m_data_debug_aranges;
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DWARFDataSegment m_data_debug_frame;
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DWARFDataSegment m_data_debug_info;
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DWARFDataSegment m_data_debug_line;
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DWARFDataSegment m_data_debug_macro;
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DWARFDataSegment m_data_debug_loc;
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DWARFDataSegment m_data_debug_ranges;
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DWARFDataSegment m_data_debug_str;
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DWARFDataSegment m_data_debug_str_offsets;
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DWARFDataSegment m_data_apple_names;
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DWARFDataSegment m_data_apple_types;
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DWARFDataSegment m_data_apple_namespaces;
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DWARFDataSegment m_data_apple_objc;
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// The unique pointer items below are generated on demand if and when someone
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// accesses
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// them through a non const version of this class.
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std::unique_ptr<DWARFDebugAbbrev> m_abbr;
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std::unique_ptr<DWARFDebugInfo> m_info;
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std::unique_ptr<DWARFDebugLine> m_line;
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std::unique_ptr<DWARFMappedHash::MemoryTable> m_apple_names_ap;
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std::unique_ptr<DWARFMappedHash::MemoryTable> m_apple_types_ap;
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std::unique_ptr<DWARFMappedHash::MemoryTable> m_apple_namespaces_ap;
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std::unique_ptr<DWARFMappedHash::MemoryTable> m_apple_objc_ap;
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std::unique_ptr<GlobalVariableMap> m_global_aranges_ap;
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typedef std::unordered_map<lldb::offset_t, lldb_private::DebugMacrosSP>
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DebugMacrosMap;
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DebugMacrosMap m_debug_macros_map;
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ExternalTypeModuleMap m_external_type_modules;
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NameToDIE m_function_basename_index; // All concrete functions
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NameToDIE m_function_fullname_index; // All concrete functions
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NameToDIE m_function_method_index; // All inlined functions
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NameToDIE
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m_function_selector_index; // All method names for functions of classes
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NameToDIE m_objc_class_selectors_index; // Given a class name, find all
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// selectors for the class
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NameToDIE m_global_index; // Global and static variables
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NameToDIE m_type_index; // All type DIE offsets
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NameToDIE m_namespace_index; // All type DIE offsets
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bool m_indexed : 1, m_using_apple_tables : 1, m_fetched_external_modules : 1;
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lldb_private::LazyBool m_supports_DW_AT_APPLE_objc_complete_type;
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typedef std::shared_ptr<std::set<DIERef>> DIERefSetSP;
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typedef std::unordered_map<std::string, DIERefSetSP> NameToOffsetMap;
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NameToOffsetMap m_function_scope_qualified_name_map;
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std::unique_ptr<DWARFDebugRanges> m_ranges;
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UniqueDWARFASTTypeMap m_unique_ast_type_map;
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DIEToTypePtr m_die_to_type;
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DIEToVariableSP m_die_to_variable_sp;
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DIEToClangType m_forward_decl_die_to_clang_type;
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ClangTypeToDIE m_forward_decl_clang_type_to_die;
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};
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#endif // SymbolFileDWARF_SymbolFileDWARF_h_
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