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2c51e619d5
This is both simpler and safer. If we crash at any point, there is a valid cpio file to reproduce the crash. Thanks to Rui for the suggestion. llvm-svn: 268495
59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
//===- Error.h --------------------------------------------------*- C++ -*-===//
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//
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// The LLVM Linker
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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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#ifndef LLD_COFF_ERROR_H
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#define LLD_COFF_ERROR_H
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#include "lld/Core/LLVM.h"
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namespace lld {
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namespace elf {
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extern bool HasError;
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extern llvm::raw_ostream *ErrorOS;
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void log(const Twine &Msg);
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void warning(const Twine &Msg);
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void error(const Twine &Msg);
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void error(std::error_code EC, const Twine &Prefix);
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template <typename T> void error(const ErrorOr<T> &V, const Twine &Prefix) {
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error(V.getError(), Prefix);
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}
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LLVM_ATTRIBUTE_NORETURN void fatal(const Twine &Msg);
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LLVM_ATTRIBUTE_NORETURN void fatal(const Twine &Msg, const Twine &Prefix);
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void check(std::error_code EC);
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template <class T> T check(ErrorOr<T> EO) {
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if (EO)
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return std::move(*EO);
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fatal(EO.getError().message());
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}
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template <class T> T check(Expected<T> EO) {
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if (EO)
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return std::move(*EO);
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check(errorToErrorCode(EO.takeError()));
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return T();
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}
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template <class T> T check(ErrorOr<T> EO, const Twine &Prefix) {
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if (EO)
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return std::move(*EO);
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fatal(EO.getError().message(), Prefix);
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}
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} // namespace elf
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} // namespace lld
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#endif
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