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https://github.com/carbon-language/carbon-lang.git
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62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// To convert a Carbon file to a text proto:
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// `ast_to_proto <file.carbon>`
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#include <google/protobuf/text_format.h>
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#include <fstream>
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#include <iostream>
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#include <sstream>
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#include "common/bazel_working_dir.h"
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#include "common/error.h"
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#include "explorer/ast/ast.h"
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#include "explorer/base/arena.h"
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#include "explorer/fuzzing/ast_to_proto.h"
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#include "explorer/syntax/parse.h"
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#include "testing/fuzzing/carbon.pb.h"
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namespace Carbon::Testing {
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auto Main(int argc, char** argv) -> ErrorOr<Success> {
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SetWorkingDirForBazel();
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if (argc != 2) {
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return Error("Syntax: ast_to_proto <file.carbon>");
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}
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if (!std::filesystem::is_regular_file(argv[1])) {
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return Error("Argument must be a file.");
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}
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Arena arena;
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const ErrorOr<AST> ast =
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Parse(*llvm::vfs::getRealFileSystem(), &arena, argv[1], FileKind::Main,
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/*parser_debug=*/false);
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if (!ast.ok()) {
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return ErrorBuilder() << "Parsing failed: " << ast.error().message();
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}
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Fuzzing::Carbon carbon_proto = AstToProto(*ast);
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std::string proto_string;
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google::protobuf::TextFormat::Printer p;
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if (!p.PrintToString(carbon_proto, &proto_string)) {
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return Error("Failed to convert to text proto");
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}
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std::cout << proto_string;
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return Success();
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}
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} // namespace Carbon::Testing
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auto main(int argc, char** argv) -> int {
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auto err = Carbon::Testing::Main(argc, argv);
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if (!err.ok()) {
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std::cerr << err.error().message() << "\n";
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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