contrib/llvm-project/llvm/tools/llvm-pdbutil/MinimalTypeDumper.h

   1 //===- MinimalTypeDumper.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_TOOLS_LLVMPDBUTIL_MINIMAL_TYPE_DUMPER_H
  10 #define LLVM_TOOLS_LLVMPDBUTIL_MINIMAL_TYPE_DUMPER_H
  11
  12 #include "llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h"
  13 #include "llvm/Support/BinaryStreamArray.h"
  14
  15 namespace llvm {
  16 namespace codeview {
  17 class LazyRandomTypeCollection;
  18 }
  19
  20 namespace pdb {
  21 class LinePrinter;
  22 class TpiStream;
  23 class TypeReferenceTracker;
  24
  25 class MinimalTypeDumpVisitor : public codeview::TypeVisitorCallbacks {
  26 public:
  27   MinimalTypeDumpVisitor(LinePrinter &P, uint32_t Width, bool RecordBytes,
  28                          bool Hashes, codeview::LazyRandomTypeCollection &Types,
  29                          TypeReferenceTracker *RefTracker,
  30                          uint32_t NumHashBuckets,
  31                          FixedStreamArray<support::ulittle32_t> HashValues,
  32                          pdb::TpiStream *Stream)
  33       : P(P), Width(Width), RecordBytes(RecordBytes), Hashes(Hashes),
  34         Types(Types), RefTracker(RefTracker), NumHashBuckets(NumHashBuckets),
  35         HashValues(HashValues), Stream(Stream) {}
  36
  37   Error visitTypeBegin(codeview::CVType &Record,
  38                        codeview::TypeIndex Index) override;
  39   Error visitTypeEnd(codeview::CVType &Record) override;
  40   Error visitMemberBegin(codeview::CVMemberRecord &Record) override;
  41   Error visitMemberEnd(codeview::CVMemberRecord &Record) override;
  42
  43 #define TYPE_RECORD(EnumName, EnumVal, Name)                                   \
  44   Error visitKnownRecord(codeview::CVType &CVR,                                \
  45                          codeview::Name##Record &Record) override;
  46 #define MEMBER_RECORD(EnumName, EnumVal, Name)                                 \
  47   Error visitKnownMember(codeview::CVMemberRecord &CVR,                        \
  48                          codeview::Name##Record &Record) override;
  49 #define TYPE_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
  50 #define MEMBER_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
  51 #include "llvm/DebugInfo/CodeView/CodeViewTypes.def"
  52
  53 private:
  54   StringRef getTypeName(codeview::TypeIndex TI) const;
  55
  56   LinePrinter &P;
  57   uint32_t Width;
  58   bool RecordBytes = false;
  59   bool Hashes = false;
  60   codeview::LazyRandomTypeCollection &Types;
  61   pdb::TypeReferenceTracker *RefTracker = nullptr;
  62   uint32_t NumHashBuckets;
  63   codeview::TypeIndex CurrentTypeIndex;
  64   FixedStreamArray<support::ulittle32_t> HashValues;
  65   pdb::TpiStream *Stream = nullptr;
  66 };
  67 } // namespace pdb
  68 } // namespace llvm
  69
  70 #endif