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