| // Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| import 'dart:io' show File, Platform; |
| |
| import 'package:kernel/target/targets.dart' show NoneTarget, TargetFlags; |
| |
| import 'binary_md_dill_reader.dart' show BinaryMdDillReader; |
| |
| import 'incremental_suite.dart' show getOptions, normalCompileToBytes; |
| |
| import 'utils/io_utils.dart' show computeRepoDir; |
| |
| main() async { |
| await testDart2jsCompile(); |
| } |
| |
| Future<void> testDart2jsCompile() async { |
| final Uri dart2jsUrl = Uri.base.resolve("pkg/compiler/bin/dart2js.dart"); |
| Stopwatch stopwatch = new Stopwatch()..start(); |
| List<int> bytes = await normalCompileToBytes(dart2jsUrl, |
| options: getOptions(target: new NoneTarget(new TargetFlags()))); |
| print("Compiled dart2js in ${stopwatch.elapsedMilliseconds} ms"); |
| |
| stopwatch.reset(); |
| File binaryMd = new File("$repoDir/pkg/kernel/binary.md"); |
| String binaryMdContent = binaryMd.readAsStringSync(); |
| print("Read binary.md in ${stopwatch.elapsedMilliseconds} ms"); |
| |
| stopwatch.reset(); |
| BinaryMdDillReader binaryMdDillReader = |
| new BinaryMdDillReader(binaryMdContent, bytes); |
| binaryMdDillReader.attemptRead(); |
| print("Parsed dart2js compiled bytes via binary.md " |
| "in ${stopwatch.elapsedMilliseconds} ms"); |
| } |
| |
| final String repoDir = computeRepoDir(); |
| |
| String get dartVm => Platform.executable; |