1 //===- FileUtilities.h - utilities for working with files -------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // Common utilities for working with files. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef MLIR_SUPPORT_FILEUTILITIES_H_ 14 #define MLIR_SUPPORT_FILEUTILITIES_H_ 15 16 #include <memory> 17 #include <string> 18 19 namespace llvm { 20 class MemoryBuffer; 21 class ToolOutputFile; 22 class StringRef; 23 } // namespace llvm 24 25 namespace mlir { 26 27 /// Open the file specified by its name for reading. Write the error message to 28 /// `errorMessage` if errors occur and `errorMessage` is not nullptr. 29 std::unique_ptr<llvm::MemoryBuffer> 30 openInputFile(llvm::StringRef inputFilename, 31 std::string *errorMessage = nullptr); 32 33 /// Open the file specified by its name for writing. Write the error message to 34 /// `errorMessage` if errors occur and `errorMessage` is not nullptr. 35 std::unique_ptr<llvm::ToolOutputFile> 36 openOutputFile(llvm::StringRef outputFilename, 37 std::string *errorMessage = nullptr); 38 39 } // namespace mlir 40 41 #endif // MLIR_SUPPORT_FILEUTILITIES_H_ 42