Home | History | Annotate | Line # | Download | only in CodeView 
      1 //===- TypeRecordMapping.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 LLVM_DEBUGINFO_CODEVIEW_TYPERECORDMAPPING_H
     10 #define LLVM_DEBUGINFO_CODEVIEW_TYPERECORDMAPPING_H
     11 
     12 #include "llvm/ADT/Optional.h"
     13 #include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
     14 #include "llvm/DebugInfo/CodeView/CodeViewRecordIO.h"
     15 #include "llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h"
     16 #include "llvm/Support/Error.h"
     17 
     18 namespace llvm {
     19 class BinaryStreamReader;
     20 class BinaryStreamWriter;
     21 
     22 namespace codeview {
     23 class TypeRecordMapping : public TypeVisitorCallbacks {
     24 public:
     25   explicit TypeRecordMapping(BinaryStreamReader &Reader) : IO(Reader) {}
     26   explicit TypeRecordMapping(BinaryStreamWriter &Writer) : IO(Writer) {}
     27   explicit TypeRecordMapping(CodeViewRecordStreamer &Streamer) : IO(Streamer) {}
     28 
     29   using TypeVisitorCallbacks::visitTypeBegin;
     30   Error visitTypeBegin(CVType &Record) override;
     31   Error visitTypeBegin(CVType &Record, TypeIndex Index) override;
     32   Error visitTypeEnd(CVType &Record) override;
     33 
     34   Error visitMemberBegin(CVMemberRecord &Record) override;
     35   Error visitMemberEnd(CVMemberRecord &Record) override;
     36 
     37 #define TYPE_RECORD(EnumName, EnumVal, Name)                                   \
     38   Error visitKnownRecord(CVType &CVR, Name##Record &Record) override;
     39 #define MEMBER_RECORD(EnumName, EnumVal, Name)                                 \
     40   Error visitKnownMember(CVMemberRecord &CVR, Name##Record &Record) override;
     41 #define TYPE_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
     42 #define MEMBER_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
     43 #include "llvm/DebugInfo/CodeView/CodeViewTypes.def"
     44 
     45 private:
     46   Optional<TypeLeafKind> TypeKind;
     47   Optional<TypeLeafKind> MemberKind;
     48 
     49   CodeViewRecordIO IO;
     50 };
     51 }
     52 }
     53 
     54 #endif
     55