709426b33a
Summary: This patch adds an implementation of retrieving of declarations and declaration contexts based on PDB symbols. PDB has different type symbols for const-qualified types, and this implementation ensures that only one declaration was created for both const and non-const types, but creates different compiler types for them. The implementation also processes the case when there are two symbols corresponding to a variable. It's possible e.g. for class static variables, they has one global symbol and one symbol belonging to a class. PDB has no info about namespaces, so this implementation parses the full symbol name and tries to figure out if the symbol belongs to namespace or not, and then creates nested namespaces if necessary. Reviewers: asmith, zturner, labath Reviewed By: asmith Subscribers: aleksandr.urakov, teemperor, lldb-commits, stella.stamenova Tags: #lldb Differential Revision: https://reviews.llvm.org/D51162 llvm-svn: 341782
246 lines
9.1 KiB
C++
246 lines
9.1 KiB
C++
//===-- SymbolFilePDB.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 lldb_Plugins_SymbolFile_PDB_SymbolFilePDB_h_
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#define lldb_Plugins_SymbolFile_PDB_SymbolFilePDB_h_
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#include "lldb/Core/UniqueCStringMap.h"
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#include "lldb/Symbol/SymbolFile.h"
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#include "lldb/Symbol/VariableList.h"
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#include "lldb/Utility/UserID.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/DebugInfo/PDB/IPDBSession.h"
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#include "llvm/DebugInfo/PDB/PDB.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
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class SymbolFilePDB : public lldb_private::SymbolFile {
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public:
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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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SymbolFilePDB(lldb_private::ObjectFile *ofile);
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~SymbolFilePDB() 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 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::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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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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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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void FindTypesByRegex(const lldb_private::RegularExpression ®ex,
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uint32_t max_matches, lldb_private::TypeMap &types);
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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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lldb_private::ConstString GetPluginName() override;
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uint32_t GetPluginVersion() override;
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llvm::pdb::IPDBSession &GetPDBSession();
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const llvm::pdb::IPDBSession &GetPDBSession() const;
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private:
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lldb::CompUnitSP ParseCompileUnitForUID(uint32_t id,
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uint32_t index = UINT32_MAX);
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bool ParseCompileUnitLineTable(const lldb_private::SymbolContext &sc,
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uint32_t match_line);
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void BuildSupportFileIdToSupportFileIndexMap(
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const llvm::pdb::PDBSymbolCompiland &pdb_compiland,
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llvm::DenseMap<uint32_t, uint32_t> &index_map) const;
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void FindTypesByName(const std::string &name,
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const lldb_private::CompilerDeclContext *parent_decl_ctx,
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uint32_t max_matches, lldb_private::TypeMap &types);
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std::string GetMangledForPDBData(const llvm::pdb::PDBSymbolData &pdb_data);
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lldb::VariableSP
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ParseVariableForPDBData(const lldb_private::SymbolContext &sc,
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const llvm::pdb::PDBSymbolData &pdb_data);
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size_t ParseVariables(const lldb_private::SymbolContext &sc,
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const llvm::pdb::PDBSymbol &pdb_data,
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lldb_private::VariableList *variable_list = nullptr);
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lldb::CompUnitSP
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GetCompileUnitContainsAddress(const lldb_private::Address &so_addr);
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typedef std::vector<lldb_private::Type *> TypeCollection;
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void GetTypesForPDBSymbol(const llvm::pdb::PDBSymbol &pdb_symbol,
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uint32_t type_mask,
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TypeCollection &type_collection);
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lldb_private::Function *
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ParseCompileUnitFunctionForPDBFunc(const llvm::pdb::PDBSymbolFunc &pdb_func,
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const lldb_private::SymbolContext &sc);
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void GetCompileUnitIndex(const llvm::pdb::PDBSymbolCompiland &pdb_compiland,
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uint32_t &index);
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std::unique_ptr<llvm::pdb::PDBSymbolCompiland>
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GetPDBCompilandByUID(uint32_t uid);
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lldb_private::Mangled
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GetMangledForPDBFunc(const llvm::pdb::PDBSymbolFunc &pdb_func);
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bool ResolveFunction(const llvm::pdb::PDBSymbolFunc &pdb_func,
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bool include_inlines,
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lldb_private::SymbolContextList &sc_list);
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bool ResolveFunction(uint32_t uid, bool include_inlines,
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lldb_private::SymbolContextList &sc_list);
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void CacheFunctionNames();
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bool DeclContextMatchesThisSymbolFile(
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const lldb_private::CompilerDeclContext *decl_ctx);
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llvm::DenseMap<uint32_t, lldb::CompUnitSP> m_comp_units;
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llvm::DenseMap<uint32_t, lldb::TypeSP> m_types;
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llvm::DenseMap<uint32_t, lldb::VariableSP> m_variables;
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std::vector<lldb::TypeSP> m_builtin_types;
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std::unique_ptr<llvm::pdb::IPDBSession> m_session_up;
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std::unique_ptr<llvm::pdb::PDBSymbolExe> m_global_scope_up;
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uint32_t m_cached_compile_unit_count;
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std::unique_ptr<lldb_private::CompilerDeclContext> m_tu_decl_ctx_up;
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lldb_private::UniqueCStringMap<uint32_t> m_func_full_names;
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lldb_private::UniqueCStringMap<uint32_t> m_func_base_names;
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lldb_private::UniqueCStringMap<uint32_t> m_func_method_names;
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};
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#endif // lldb_Plugins_SymbolFile_PDB_SymbolFilePDB_h_
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