401219ae3f
Summary: Error handling in StreamExecutor is based on llvm::Error and llvm::Expected. This CL sets up the StreamExecutor wrapper classes in the streamexecutor namespace. All the other StreamExecutor code makes use of this error handling code, so this is the first CL for checking in StreamExecutor. Reviewers: jlebar, tra Subscribers: parallel_libs-commits Differential Revision: https://reviews.llvm.org/D22687 llvm-svn: 277210
64 lines
1.6 KiB
C++
64 lines
1.6 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/Utils/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 convertion 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(StringRef Message) {
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return llvm::make_error<StreamExecutorError>(Message);
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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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}
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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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} // namespace streamexecutor
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