llvm-for-llvmta/include/llvm/DebugInfo/CodeView/ContinuationRecordBuilder.h

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2.1 KiB
C++

//===- 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/Optional.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
#include "llvm/DebugInfo/CodeView/TypeRecord.h"
#include "llvm/DebugInfo/CodeView/TypeRecordMapping.h"
#include "llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h"
#include "llvm/Support/BinaryByteStream.h"
#include "llvm/Support/BinaryStreamWriter.h"
#include "llvm/Support/Error.h"
#include <cassert>
#include <cstdint>
#include <memory>
#include <vector>
namespace llvm {
namespace codeview {
enum class ContinuationRecordKind { FieldList, MethodOverloadList };
class ContinuationRecordBuilder {
SmallVector<uint32_t, 4> SegmentOffsets;
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,
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