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//===- ByteStream.h - Reads stream data from a byte sequence ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_CODEVIEW_BYTESTREAM_H
#define LLVM_DEBUGINFO_CODEVIEW_BYTESTREAM_H
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/DebugInfo/CodeView/StreamInterface.h"
#include "llvm/Support/Error.h"
#include <cstdint>
#include <memory>
#include <type_traits>
namespace llvm {
namespace codeview {
class StreamReader;
template <bool Writable = false> class ByteStream : public StreamInterface {
typedef typename std::conditional<Writable, MutableArrayRef<uint8_t>,
ArrayRef<uint8_t>>::type ArrayType;
public:
ByteStream() {}
explicit ByteStream(ArrayType Data) : Data(Data) {}
~ByteStream() override {}
Error readBytes(uint32_t Offset, uint32_t Size,
ArrayRef<uint8_t> &Buffer) const override;
Error readLongestContiguousChunk(uint32_t Offset,
ArrayRef<uint8_t> &Buffer) const override;
Error writeBytes(uint32_t Offset, ArrayRef<uint8_t> Buffer) const override;
uint32_t getLength() const override;
Error commit() const override;
ArrayRef<uint8_t> data() const { return Data; }
StringRef str() const;
private:
ArrayType Data;
};
extern template class ByteStream<true>;
extern template class ByteStream<false>;
} // end namespace pdb
} // end namespace llvm
#endif // LLVM_DEBUGINFO_CODEVIEW_BYTESTREAM_H
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