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