49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
//===-- ErrorHandling.h - Error handler -------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_PROFGEN_ERRORHANDLING_H
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#define LLVM_TOOLS_LLVM_PROFGEN_ERRORHANDLING_H
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#include "llvm/ADT/Twine.h"
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#include "llvm/Support/Errc.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/ErrorOr.h"
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#include "llvm/Support/WithColor.h"
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#include <system_error>
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using namespace llvm;
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LLVM_ATTRIBUTE_NORETURN inline void
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exitWithError(const Twine &Message, StringRef Whence = StringRef(),
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StringRef Hint = StringRef()) {
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WithColor::error(errs(), "llvm-profgen");
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if (!Whence.empty())
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errs() << Whence.str() << ": ";
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errs() << Message << "\n";
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if (!Hint.empty())
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WithColor::note() << Hint.str() << "\n";
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::exit(EXIT_FAILURE);
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}
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LLVM_ATTRIBUTE_NORETURN inline void
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exitWithError(std::error_code EC, StringRef Whence = StringRef()) {
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exitWithError(EC.message(), Whence);
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}
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LLVM_ATTRIBUTE_NORETURN inline void exitWithError(Error E, StringRef Whence) {
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exitWithError(errorToErrorCode(std::move(E)), Whence);
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}
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template <typename T, typename... Ts>
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T unwrapOrError(Expected<T> EO, Ts &&... Args) {
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if (EO)
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return std::move(*EO);
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exitWithError(EO.takeError(), std::forward<Ts>(Args)...);
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}
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#endif
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