reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
//===- TypeVisitorCallbackPipeline.h ----------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_DEBUGINFO_CODEVIEW_TYPEVISITORCALLBACKPIPELINE_H
#define LLVM_DEBUGINFO_CODEVIEW_TYPEVISITORCALLBACKPIPELINE_H

#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/DebugInfo/CodeView/TypeRecord.h"
#include "llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h"
#include "llvm/Support/Error.h"
#include <vector>

namespace llvm {
namespace codeview {

class TypeVisitorCallbackPipeline : public TypeVisitorCallbacks {
public:
  TypeVisitorCallbackPipeline() = default;

  Error visitUnknownType(CVRecord<TypeLeafKind> &Record) override {
    for (auto Visitor : Pipeline) {
      if (auto EC = Visitor->visitUnknownType(Record))
        return EC;
    }
    return Error::success();
  }

  Error visitUnknownMember(CVMemberRecord &Record) override {
    for (auto Visitor : Pipeline) {
      if (auto EC = Visitor->visitUnknownMember(Record))
        return EC;
    }
    return Error::success();
  }

  Error visitTypeBegin(CVType &Record) override {
    for (auto Visitor : Pipeline) {
      if (auto EC = Visitor->visitTypeBegin(Record))
        return EC;
    }
    return Error::success();
  }

  Error visitTypeBegin(CVType &Record, TypeIndex Index) override {
    for (auto Visitor : Pipeline) {
      if (auto EC = Visitor->visitTypeBegin(Record, Index))
        return EC;
    }
    return Error::success();
  }

  Error visitTypeEnd(CVType &Record) override {
    for (auto Visitor : Pipeline) {
      if (auto EC = Visitor->visitTypeEnd(Record))
        return EC;
    }
    return Error::success();
  }

  Error visitMemberBegin(CVMemberRecord &Record) override {
    for (auto Visitor : Pipeline) {
      if (auto EC = Visitor->visitMemberBegin(Record))
        return EC;
    }
    return Error::success();
  }

  Error visitMemberEnd(CVMemberRecord &Record) override {
    for (auto Visitor : Pipeline) {
      if (auto EC = Visitor->visitMemberEnd(Record))
        return EC;
    }
    return Error::success();
  }

  void addCallbackToPipeline(TypeVisitorCallbacks &Callbacks) {
    Pipeline.push_back(&Callbacks);
  }

#define TYPE_RECORD(EnumName, EnumVal, Name)                                   \
  Error visitKnownRecord(CVType &CVR, Name##Record &Record) override {         \
    return visitKnownRecordImpl(CVR, Record);                                  \
  }
#define MEMBER_RECORD(EnumName, EnumVal, Name)                                 \
  Error visitKnownMember(CVMemberRecord &CVMR, Name##Record &Record)           \
      override {                                                               \
    return visitKnownMemberImpl(CVMR, Record);                                 \
  }
#define TYPE_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
#define MEMBER_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
#include "llvm/DebugInfo/CodeView/CodeViewTypes.def"

private:
  template <typename T> Error visitKnownRecordImpl(CVType &CVR, T &Record) {
    for (auto Visitor : Pipeline) {
      if (auto EC = Visitor->visitKnownRecord(CVR, Record))
        return EC;
    }
    return Error::success();
  }

  template <typename T>
  Error visitKnownMemberImpl(CVMemberRecord &CVMR, T &Record) {
    for (auto Visitor : Pipeline) {
      if (auto EC = Visitor->visitKnownMember(CVMR, Record))
        return EC;
    }
    return Error::success();
  }
  std::vector<TypeVisitorCallbacks *> Pipeline;
};

} // end namespace codeview
} // end namespace llvm

#endif // LLVM_DEBUGINFO_CODEVIEW_TYPEVISITORCALLBACKPIPELINE_H