56 lines · cpp
1//===- BinaryStreamError.cpp - Error extensions for streams -----*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "llvm/Support/BinaryStreamError.h"10#include "llvm/Support/raw_ostream.h"11 12using namespace llvm;13 14char BinaryStreamError::ID = 0;15 16BinaryStreamError::BinaryStreamError(stream_error_code C)17 : BinaryStreamError(C, "") {}18 19BinaryStreamError::BinaryStreamError(StringRef Context)20 : BinaryStreamError(stream_error_code::unspecified, Context) {}21 22BinaryStreamError::BinaryStreamError(stream_error_code C, StringRef Context)23 : Code(C) {24 ErrMsg = "Stream Error: ";25 switch (C) {26 case stream_error_code::unspecified:27 ErrMsg += "An unspecified error has occurred.";28 break;29 case stream_error_code::stream_too_short:30 ErrMsg += "The stream is too short to perform the requested operation.";31 break;32 case stream_error_code::invalid_array_size:33 ErrMsg += "The buffer size is not a multiple of the array element size.";34 break;35 case stream_error_code::invalid_offset:36 ErrMsg += "The specified offset is invalid for the current stream.";37 break;38 case stream_error_code::filesystem_error:39 ErrMsg += "An I/O error occurred on the file system.";40 break;41 }42 43 if (!Context.empty()) {44 ErrMsg += " ";45 ErrMsg += Context;46 }47}48 49void BinaryStreamError::log(raw_ostream &OS) const { OS << ErrMsg; }50 51StringRef BinaryStreamError::getErrorMessage() const { return ErrMsg; }52 53std::error_code BinaryStreamError::convertToErrorCode() const {54 return inconvertibleErrorCode();55}56