Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- ContinuationRecordBuilder.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_CONTINUATIONRECORDBUILDER_H

#define LLVM_DEBUGINFO_CODEVIEW_CONTINUATIONRECORDBUILDER_H

#include "llvm/ADT/ArrayRef.h"

#include "llvm/ADT/SmallVector.h"

#include "llvm/DebugInfo/CodeView/CVRecord.h"

#include "llvm/DebugInfo/CodeView/TypeRecordMapping.h"

#include "llvm/Support/BinaryByteStream.h"

#include "llvm/Support/BinaryStreamWriter.h"

#include <cstdint>

#include <vector>

namespace llvm {

namespace codeview {

class TypeIndex;

enum class ContinuationRecordKind { FieldList, MethodOverloadList };

class ContinuationRecordBuilder {

  SmallVector<uint32_t, 4> SegmentOffsets;

  std::optional<ContinuationRecordKind> Kind;

  AppendingBinaryByteStream Buffer;

  BinaryStreamWriter SegmentWriter;

  TypeRecordMapping Mapping;

  ArrayRef<uint8_t> InjectedSegmentBytes;

  uint32_t getCurrentSegmentLength() const;

  void insertSegmentEnd(uint32_t Offset);

  CVType createSegmentRecord(uint32_t OffBegin, uint32_t OffEnd,

                             std::optional<TypeIndex> RefersTo);

public:

  ContinuationRecordBuilder();

  ~ContinuationRecordBuilder();

  void begin(ContinuationRecordKind RecordKind);

  // This template is explicitly instantiated in the implementation file for all

  // supported types.  The method itself is ugly, so inlining it into the header

  // file clutters an otherwise straightforward interface.

  template <typename RecordType> void writeMemberType(RecordType &Record);

  std::vector<CVType> end(TypeIndex Index);

};

} // namespace codeview

} // namespace llvm

#endif