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//===- Error.h --------------------------------------------------*- C++ -*-===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLD_COFF_ERROR_H
#define LLD_COFF_ERROR_H
#include "lld/Core/LLVM.h"
namespace lld {
namespace elf {
extern bool HasError;
extern llvm::raw_ostream *ErrorOS;
void log(const Twine &Msg);
void warning(const Twine &Msg);
void error(const Twine &Msg);
void error(std::error_code EC, const Twine &Prefix);
template <typename T> void error(const ErrorOr<T> &V, const Twine &Prefix) {
error(V.getError(), Prefix);
}
LLVM_ATTRIBUTE_NORETURN void fatal(const Twine &Msg);
LLVM_ATTRIBUTE_NORETURN void fatal(const Twine &Msg, const Twine &Prefix);
void check(std::error_code EC);
template <class T> T check(ErrorOr<T> EO) {
if (EO)
return std::move(*EO);
fatal(EO.getError().message());
}
template <class T> T check(Expected<T> EO) {
if (EO)
return std::move(*EO);
check(errorToErrorCode(EO.takeError()));
return T();
}
template <class T> T check(ErrorOr<T> EO, const Twine &Prefix) {
if (EO)
return std::move(*EO);
fatal(EO.getError().message(), Prefix);
}
} // namespace elf
} // namespace lld
#endif
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