//===- BinaryStreamError.cpp - Error extensions for 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

//

//===----------------------------------------------------------------------===//

#include "llvm/Support/BinaryStreamError.h"

#include "llvm/Support/raw_ostream.h"

using namespace llvm;

char BinaryStreamError::ID = 0;

BinaryStreamError::BinaryStreamError(stream_error_code C)

    : BinaryStreamError(C, "") {}

BinaryStreamError::BinaryStreamError(StringRef Context)

    : BinaryStreamError(stream_error_code::unspecified, Context) {}

BinaryStreamError::BinaryStreamError(stream_error_code C, StringRef Context)

    : Code(C) {

  ErrMsg = "Stream Error: ";

  switch (C) {

  case stream_error_code::unspecified:

    ErrMsg += "An unspecified error has occurred.";

    break;

  case stream_error_code::stream_too_short:

    ErrMsg += "The stream is too short to perform the requested operation.";

    break;

  case stream_error_code::invalid_array_size:

    ErrMsg += "The buffer size is not a multiple of the array element size.";

    break;

  case stream_error_code::invalid_offset:

    ErrMsg += "The specified offset is invalid for the current stream.";

    break;

  case stream_error_code::filesystem_error:

    ErrMsg += "An I/O error occurred on the file system.";

    break;

  }

  if (!Context.empty()) {

    ErrMsg += "  ";

    ErrMsg += Context;

  }

}

void BinaryStreamError::log(raw_ostream &OS) const { OS << ErrMsg; }

StringRef BinaryStreamError::getErrorMessage() const { return ErrMsg; }

std::error_code BinaryStreamError::convertToErrorCode() const {

  return inconvertibleErrorCode();

}