| 1 | //===- mlir-cat.cpp ---------------------------------------------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // This file is licensed 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 | #include "mlir/IR/MLIRContext.h" |
| 10 | #include "mlir/IR/Operation.h" |
| 11 | #include "mlir/IR/OwningOpRef.h" |
| 12 | #include "mlir/Parser/Parser.h" |
| 13 | #include "mlir/Support/FileUtilities.h" |
| 14 | #include "mlir/Support/LLVM.h" |
| 15 | #include "llvm/Support/SourceMgr.h" |
| 16 | #include "llvm/Support/ToolOutputFile.h" |
| 17 | #include "llvm/Support/raw_ostream.h" |
| 18 | #include <cstdlib> |
| 19 | #include <string> |
| 20 | #include <utility> |
| 21 | |
| 22 | using namespace mlir; |
| 23 | |
| 24 | /// This example parse its input, either from a file or its standard input (in |
| 25 | /// bytecode or textual assembly) and print it back. |
| 26 | |
| 27 | int main(int argc, char **argv) { |
| 28 | // Set up the input file. |
| 29 | StringRef inputFile; |
| 30 | if (argc <= 1) { |
| 31 | llvm::errs() << "Reading from stdin...\n"; |
| 32 | inputFile = "-"; |
| 33 | } else { |
| 34 | inputFile = argv[1]; |
| 35 | } |
| 36 | std::string errorMessage; |
| 37 | auto file = openInputFile(inputFilename: inputFile, errorMessage: &errorMessage); |
| 38 | if (!file) { |
| 39 | llvm::errs() << errorMessage << "\n"; |
| 40 | exit(status: 1); |
| 41 | } |
| 42 | llvm::SourceMgr sourceMgr; |
| 43 | sourceMgr.AddNewSourceBuffer(F: std::move(file), IncludeLoc: SMLoc()); |
| 44 | |
| 45 | auto output = openOutputFile(outputFilename: "-", errorMessage: &errorMessage); |
| 46 | if (!output) { |
| 47 | llvm::errs() << errorMessage << "\n"; |
| 48 | exit(status: 1); |
| 49 | } |
| 50 | |
| 51 | DialectRegistry registry; |
| 52 | MLIRContext context(registry, MLIRContext::Threading::DISABLED); |
| 53 | context.allowUnregisteredDialects(allow: true); |
| 54 | OwningOpRef<Operation *> op = parseSourceFile(sourceMgr, config: &context); |
| 55 | if (!op) { |
| 56 | llvm::errs() << "Failed to parse input file"; |
| 57 | exit(status: 1); |
| 58 | } |
| 59 | output->os() << *(op.get()) << "\n"; |
| 60 | } |
| 61 |