57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
//===-- 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;
|
|
|
|
[[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);
|
|
}
|
|
|
|
[[noreturn]] inline void exitWithError(std::error_code EC,
|
|
StringRef Whence = StringRef()) {
|
|
exitWithError(EC.message(), Whence);
|
|
}
|
|
|
|
[[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)...);
|
|
}
|
|
|
|
inline void emitWarningSummary(uint64_t Num, uint64_t Total, StringRef Msg) {
|
|
if (!Total || !Num)
|
|
return;
|
|
WithColor::warning() << format("%.2f", static_cast<double>(Num) * 100 / Total)
|
|
<< "%(" << Num << "/" << Total << ") " << Msg << "\n";
|
|
}
|
|
|
|
#endif
|