forked from OSchip/llvm-project
57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
//===- FileUtilities.cpp - utilities for working with files ---------------===//
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//
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// Copyright 2019 The MLIR Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// =============================================================================
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//
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// Definitions of common utilities for working with files.
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Support/FileUtilities.h"
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#include "mlir/Support/LLVM.h"
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#include "llvm/Support/FileUtilities.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/ToolOutputFile.h"
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using namespace mlir;
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std::unique_ptr<llvm::MemoryBuffer>
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mlir::openInputFile(StringRef inputFilename, std::string *errorMessage) {
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auto fileOrErr = llvm::MemoryBuffer::getFileOrSTDIN(inputFilename);
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if (std::error_code error = fileOrErr.getError()) {
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if (errorMessage)
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*errorMessage = "cannot open input file '" + inputFilename.str() +
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"': " + error.message();
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return nullptr;
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}
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return std::move(*fileOrErr);
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}
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std::unique_ptr<llvm::ToolOutputFile>
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mlir::openOutputFile(StringRef outputFilename, std::string *errorMessage) {
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std::error_code error;
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auto result = llvm::make_unique<llvm::ToolOutputFile>(outputFilename, error,
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llvm::sys::fs::F_None);
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if (error) {
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if (errorMessage)
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*errorMessage = "cannot open output file '" + outputFilename.str() +
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"': " + error.message();
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return nullptr;
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}
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return result;
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}
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