forked from OSchip/llvm-project
62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
//===- FileUtilities.cpp - utilities for working with files ---------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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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/Alignment.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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static std::unique_ptr<llvm::MemoryBuffer>
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openInputFileImpl(StringRef inputFilename, std::string *errorMessage,
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Optional<llvm::Align> alignment) {
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auto fileOrErr = llvm::MemoryBuffer::getFileOrSTDIN(
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inputFilename, /*IsText=*/false, /*RequiresNullTerminator=*/true,
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alignment);
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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::MemoryBuffer>
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mlir::openInputFile(StringRef inputFilename, std::string *errorMessage) {
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return openInputFileImpl(inputFilename, errorMessage,
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/*alignment=*/llvm::None);
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}
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std::unique_ptr<llvm::MemoryBuffer>
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mlir::openInputFile(llvm::StringRef inputFilename, llvm::Align alignment,
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std::string *errorMessage) {
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return openInputFileImpl(inputFilename, errorMessage, alignment);
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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 = std::make_unique<llvm::ToolOutputFile>(outputFilename, error,
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llvm::sys::fs::OF_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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