57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
//===- BinaryStreamError.cpp - Error extensions for streams -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/BinaryStreamError.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace llvm;
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char BinaryStreamError::ID = 0;
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BinaryStreamError::BinaryStreamError(stream_error_code C)
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: BinaryStreamError(C, "") {}
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BinaryStreamError::BinaryStreamError(StringRef Context)
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: BinaryStreamError(stream_error_code::unspecified, Context) {}
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BinaryStreamError::BinaryStreamError(stream_error_code C, StringRef Context)
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: Code(C) {
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ErrMsg = "Stream Error: ";
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switch (C) {
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case stream_error_code::unspecified:
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ErrMsg += "An unspecified error has occurred.";
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break;
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case stream_error_code::stream_too_short:
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ErrMsg += "The stream is too short to perform the requested operation.";
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break;
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case stream_error_code::invalid_array_size:
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ErrMsg += "The buffer size is not a multiple of the array element size.";
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break;
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case stream_error_code::invalid_offset:
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ErrMsg += "The specified offset is invalid for the current stream.";
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break;
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case stream_error_code::filesystem_error:
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ErrMsg += "An I/O error occurred on the file system.";
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break;
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}
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if (!Context.empty()) {
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ErrMsg += " ";
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ErrMsg += Context;
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}
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}
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void BinaryStreamError::log(raw_ostream &OS) const { OS << ErrMsg << "\n"; }
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StringRef BinaryStreamError::getErrorMessage() const { return ErrMsg; }
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std::error_code BinaryStreamError::convertToErrorCode() const {
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return inconvertibleErrorCode();
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}
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