lldb/source/Plugins/SymbolFile/PDB/PDBASTParser.h

   1 //===-- PDBASTParser.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_PDB_PDBASTPARSER_H
  10 #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_PDB_PDBASTPARSER_H
  11
  12 #include "lldb/lldb-forward.h"
  13
  14 #include "Plugins/ExpressionParser/Clang/ClangASTImporter.h"
  15
  16 class SymbolFilePDB;
  17
  18 namespace clang {
  19 class CharUnits;
  20 class CXXRecordDecl;
  21 class FieldDecl;
  22 class RecordDecl;
  23 } // namespace clang
  24
  25 namespace lldb_private {
  26 class TypeSystemClang;
  27 class CompilerType;
  28 } // namespace lldb_private
  29
  30 namespace llvm {
  31 namespace pdb {
  32 template <typename ChildType> class ConcreteSymbolEnumerator;
  33
  34 class PDBSymbol;
  35 class PDBSymbolData;
  36 class PDBSymbolFunc;
  37 class PDBSymbolTypeBaseClass;
  38 class PDBSymbolTypeBuiltin;
  39 class PDBSymbolTypeUDT;
  40 } // namespace pdb
  41 } // namespace llvm
  42
  43 class PDBASTParser {
  44 public:
  45   PDBASTParser(lldb_private::TypeSystemClang &ast);
  46   ~PDBASTParser();
  47
  48   lldb::TypeSP CreateLLDBTypeFromPDBType(const llvm::pdb::PDBSymbol &type);
  49   bool CompleteTypeFromPDB(lldb_private::CompilerType &compiler_type);
  50
  51   clang::Decl *GetDeclForSymbol(const llvm::pdb::PDBSymbol &symbol);
  52
  53   clang::DeclContext *
  54   GetDeclContextForSymbol(const llvm::pdb::PDBSymbol &symbol);
  55   clang::DeclContext *
  56   GetDeclContextContainingSymbol(const llvm::pdb::PDBSymbol &symbol);
  57
  58   void ParseDeclsForDeclContext(const clang::DeclContext *decl_context);
  59
  60   clang::NamespaceDecl *FindNamespaceDecl(const clang::DeclContext *parent,
  61                                           llvm::StringRef name);
  62
  63   lldb_private::ClangASTImporter &GetClangASTImporter() {
  64     return m_ast_importer;
  65   }
  66
  67 private:
  68   typedef llvm::DenseMap<clang::CXXRecordDecl *, lldb::user_id_t>
  69       CXXRecordDeclToUidMap;
  70   typedef llvm::DenseMap<lldb::user_id_t, clang::Decl *> UidToDeclMap;
  71   typedef std::set<clang::NamespaceDecl *> NamespacesSet;
  72   typedef llvm::DenseMap<clang::DeclContext *, NamespacesSet>
  73       ParentToNamespacesMap;
  74   typedef llvm::DenseMap<clang::DeclContext *, lldb::user_id_t>
  75       DeclContextToUidMap;
  76   typedef llvm::pdb::ConcreteSymbolEnumerator<llvm::pdb::PDBSymbolData>
  77       PDBDataSymbolEnumerator;
  78   typedef llvm::pdb::ConcreteSymbolEnumerator<llvm::pdb::PDBSymbolTypeBaseClass>
  79       PDBBaseClassSymbolEnumerator;
  80   typedef llvm::pdb::ConcreteSymbolEnumerator<llvm::pdb::PDBSymbolFunc>
  81       PDBFuncSymbolEnumerator;
  82
  83   bool AddEnumValue(lldb_private::CompilerType enum_type,
  84                     const llvm::pdb::PDBSymbolData &data);
  85   bool CompleteTypeFromUDT(lldb_private::SymbolFile &symbol_file,
  86                            lldb_private::CompilerType &compiler_type,
  87                            llvm::pdb::PDBSymbolTypeUDT &udt);
  88   void
  89   AddRecordMembers(lldb_private::SymbolFile &symbol_file,
  90                    lldb_private::CompilerType &record_type,
  91                    PDBDataSymbolEnumerator &members_enum,
  92                    lldb_private::ClangASTImporter::LayoutInfo &layout_info);
  93   void
  94   AddRecordBases(lldb_private::SymbolFile &symbol_file,
  95                  lldb_private::CompilerType &record_type, int record_kind,
  96                  PDBBaseClassSymbolEnumerator &bases_enum,
  97                  lldb_private::ClangASTImporter::LayoutInfo &layout_info) const;
  98   void AddRecordMethods(lldb_private::SymbolFile &symbol_file,
  99                         lldb_private::CompilerType &record_type,
 100                         PDBFuncSymbolEnumerator &methods_enum);
 101   clang::CXXMethodDecl *
 102   AddRecordMethod(lldb_private::SymbolFile &symbol_file,
 103                   lldb_private::CompilerType &record_type,
 104                   const llvm::pdb::PDBSymbolFunc &method) const;
 105
 106   lldb_private::TypeSystemClang &m_ast;
 107   lldb_private::ClangASTImporter m_ast_importer;
 108
 109   CXXRecordDeclToUidMap m_forward_decl_to_uid;
 110   UidToDeclMap m_uid_to_decl;
 111   ParentToNamespacesMap m_parent_to_namespaces;
 112   NamespacesSet m_namespaces;
 113   DeclContextToUidMap m_decl_context_to_uid;
 114 };
 115
 116 #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_PDB_PDBASTPARSER_H