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