forked from OSchip/llvm-project
71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
//===-- Error.cpp - Error handling ----------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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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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///
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/// \file
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/// Types for returning recoverable errors.
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///
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//===----------------------------------------------------------------------===//
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#include "streamexecutor/Error.h"
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#include "llvm/ADT/StringRef.h"
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namespace {
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// An error with a string message describing the cause.
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class StreamExecutorError : public llvm::ErrorInfo<StreamExecutorError> {
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public:
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StreamExecutorError(llvm::StringRef Message) : Message(Message.str()) {}
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void log(llvm::raw_ostream &OS) const override { OS << Message; }
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std::error_code convertToErrorCode() const override {
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llvm_unreachable(
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"StreamExecutorError does not support conversion to std::error_code");
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}
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std::string getErrorMessage() const { return Message; }
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static char ID;
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private:
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std::string Message;
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};
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char StreamExecutorError::ID = 0;
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} // namespace
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namespace streamexecutor {
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Error make_error(const Twine &Message) {
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return llvm::make_error<StreamExecutorError>(Message.str());
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}
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std::string consumeAndGetMessage(Error &&E) {
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if (!E)
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return "success";
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std::string Message;
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llvm::handleAllErrors(std::move(E),
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[&Message](const StreamExecutorError &SEE) {
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Message = SEE.getErrorMessage();
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});
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return Message;
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}
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void dieIfError(Error &&E) {
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if (E) {
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std::fprintf(stderr, "Error encountered: %s.\n",
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streamexecutor::consumeAndGetMessage(std::move(E)).c_str());
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std::exit(EXIT_FAILURE);
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}
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}
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} // namespace streamexecutor
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