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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"
#include "llvm/Support/Error.h"
namespace lld {
namespace coff {
LLVM_ATTRIBUTE_NORETURN void fatal(const Twine &Msg);
LLVM_ATTRIBUTE_NORETURN void fatal(std::error_code EC, const Twine &Prefix);
LLVM_ATTRIBUTE_NORETURN void fatal(llvm::Error &Err, const Twine &Prefix);
template <class T> T check(ErrorOr<T> &&V, const Twine &Prefix) {
if (auto EC = V.getError())
fatal(EC, Prefix);
return std::move(*V);
}
template <class T> T check(Expected<T> E, const Twine &Prefix) {
if (llvm::Error Err = E.takeError())
fatal(Err, Prefix);
return std::move(*E);
}
template <class T> T check(ErrorOr<T> EO) {
if (!EO)
fatal(EO.getError().message());
return std::move(*EO);
}
template <class T> T check(Expected<T> E) {
if (!E) {
std::string Buf;
llvm::raw_string_ostream OS(Buf);
logAllUnhandledErrors(E.takeError(), OS, "");
OS.flush();
fatal(Buf);
}
return std::move(*E);
}
} // namespace coff
} // namespace lld
#endif
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