contrib/llvm-project/lldb/source/Plugins/SymbolFile/NativePDB/UdtRecordCompleter.h

   1 //===-- UdtRecordCompleter.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_PLUGINS_SYMBOLFILE_NATIVEPDB_UDTRECORDCOMPLETER_H
  10 #define LLDB_PLUGINS_SYMBOLFILE_NATIVEPDB_UDTRECORDCOMPLETER_H
  11
  12 #include "lldb/Symbol/ClangASTImporter.h"
  13 #include "llvm/DebugInfo/CodeView/CVRecord.h"
  14 #include "llvm/DebugInfo/CodeView/TypeRecord.h"
  15 #include "llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h"
  16
  17 #include "PdbSymUid.h"
  18
  19 namespace clang {
  20 class CXXBaseSpecifier;
  21 class QualType;
  22 class TagDecl;
  23 } // namespace clang
  24
  25 namespace llvm {
  26 namespace pdb {
  27 class TpiStream;
  28 }
  29 } // namespace llvm
  30
  31 namespace lldb_private {
  32 class Type;
  33 class CompilerType;
  34 namespace npdb {
  35 class PdbAstBuilder;
  36
  37 class UdtRecordCompleter : public llvm::codeview::TypeVisitorCallbacks {
  38   using IndexedBase =
  39       std::pair<uint64_t, std::unique_ptr<clang::CXXBaseSpecifier>>;
  40
  41   union UdtTagRecord {
  42     UdtTagRecord() {}
  43     llvm::codeview::UnionRecord ur;
  44     llvm::codeview::ClassRecord cr;
  45     llvm::codeview::EnumRecord er;
  46   } m_cvr;
  47
  48   PdbTypeSymId m_id;
  49   CompilerType &m_derived_ct;
  50   clang::TagDecl &m_tag_decl;
  51   PdbAstBuilder &m_ast_builder;
  52   llvm::pdb::TpiStream &m_tpi;
  53   std::vector<IndexedBase> m_bases;
  54   ClangASTImporter::LayoutInfo m_layout;
  55
  56 public:
  57   UdtRecordCompleter(PdbTypeSymId id, CompilerType &derived_ct,
  58                      clang::TagDecl &tag_decl, PdbAstBuilder &ast_builder,
  59                      llvm::pdb::TpiStream &tpi);
  60
  61 #define MEMBER_RECORD(EnumName, EnumVal, Name)                                 \
  62   llvm::Error visitKnownMember(llvm::codeview::CVMemberRecord &CVR,            \
  63                                llvm::codeview::Name##Record &Record) override;
  64 #define MEMBER_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
  65 #include "llvm/DebugInfo/CodeView/CodeViewTypes.def"
  66
  67   void complete();
  68
  69 private:
  70   clang::QualType AddBaseClassForTypeIndex(
  71       llvm::codeview::TypeIndex ti, llvm::codeview::MemberAccess access,
  72       llvm::Optional<uint64_t> vtable_idx = llvm::Optional<uint64_t>());
  73   void AddMethod(llvm::StringRef name, llvm::codeview::TypeIndex type_idx,
  74                  llvm::codeview::MemberAccess access,
  75                  llvm::codeview::MethodOptions options,
  76                  llvm::codeview::MemberAttributes attrs);
  77 };
  78
  79 } // namespace npdb
  80 } // namespace lldb_private
  81
  82 #endif // LLDB_PLUGINS_SYMBOLFILE_NATIVEPDB_UDTRECORDCOMPLETER_H