| // 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. |
| |
| import 'package:front_end/src/fasta/kernel/utils.dart' show serializeComponent; |
| |
| import 'package:kernel/ast.dart' show Component; |
| |
| import 'package:kernel/binary/ast_from_binary.dart' show BinaryBuilder; |
| |
| import 'package:kernel/target/targets.dart' show NoneTarget, TargetFlags; |
| |
| import 'incremental_suite.dart' |
| show checkIsEqual, getOptions, normalCompilePlain; |
| |
| Future<void> main() async { |
| final Uri dart2jsUrl = Uri.base.resolve("pkg/compiler/bin/dart2js.dart"); |
| Stopwatch stopwatch = new Stopwatch()..start(); |
| Component compiledComponent = await normalCompilePlain(dart2jsUrl, |
| options: getOptions() |
| ..target = new NoneTarget(new TargetFlags()) |
| ..omitPlatform = false); |
| print("Compiled dart2js in ${stopwatch.elapsedMilliseconds} ms"); |
| stopwatch.reset(); |
| |
| List<int> bytes = serializeComponent(compiledComponent); |
| print("Serialized dart2js in ${stopwatch.elapsedMilliseconds} ms"); |
| print("Output is ${bytes.length} bytes long."); |
| print(""); |
| stopwatch.reset(); |
| |
| print("Round-tripping with lazy disabled"); |
| roundTrip( |
| new BinaryBuilder(bytes, |
| disableLazyReading: true, disableLazyClassReading: true), |
| bytes); |
| |
| print("Round-tripping with lazy enabled"); |
| roundTrip( |
| new BinaryBuilder(bytes, |
| disableLazyReading: false, disableLazyClassReading: false), |
| bytes); |
| |
| print("OK"); |
| } |
| |
| void roundTrip(BinaryBuilder binaryBuilder, List<int> bytes) { |
| Stopwatch stopwatch = new Stopwatch()..start(); |
| Component c = new Component(); |
| binaryBuilder.readComponent(c); |
| List<int> bytesRoundTripped = serializeComponent(c); |
| print("Loaded and serialized in ${stopwatch.elapsedMilliseconds} ms"); |
| stopwatch.reset(); |
| |
| checkIsEqual(bytes, bytesRoundTripped); |
| print("Checked equal in ${stopwatch.elapsedMilliseconds} ms"); |
| stopwatch.reset(); |
| print(""); |
| } |