BinaryStreamError.h

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//===- BinaryStreamError.h - Error extensions for Binary Streams *- 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_SUPPORT_BINARYSTREAMERROR_H
#define LLVM_SUPPORT_BINARYSTREAMERROR_H
 
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Error.h"
 
#include <string>
 
namespace llvm {
enum class stream_error_code {
  unspecified,
  stream_too_short,
  invalid_array_size,
  invalid_offset,
  filesystem_error
};
 
/// Base class for errors originating when parsing raw PDB files
class BinaryStreamError : public ErrorInfo<BinaryStreamError> {
public:
  static char ID;
  explicit BinaryStreamError(stream_error_code C);
  explicit BinaryStreamError(StringRef Context);
  BinaryStreamError(stream_error_code C, StringRef Context);
 
  void log(raw_ostream &OS) const override;
  std::error_code convertToErrorCode() const override;
 
  StringRef getErrorMessage() const;
 
  stream_error_code getErrorCode() const { return Code; }
 
private:
  std::string ErrMsg;
  stream_error_code Code;
};
} // namespace llvm
 
#endif // LLVM_SUPPORT_BINARYSTREAMERROR_H