blob: 59d1d918c5945419419d529f06beb262f481c4bf [file] [log] [blame]
// 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 Directory, File, Platform, Process, ProcessResult;
import 'dart:typed_data' show Uint8List;
import 'package:front_end/src/fasta/kernel/utils.dart' show serializeComponent;
import 'package:kernel/ast.dart' show Component, Library;
import 'package:kernel/binary/ast_from_binary.dart' show BinaryBuilder;
import 'package:kernel/target/targets.dart' show TargetFlags;
import "package:vm/target/vm.dart" show VmTarget;
import 'incremental_suite.dart' show getOptions, normalCompileToComponent;
import 'utils/io_utils.dart' show computeRepoDir;
main() async {
final Uri dart2jsUrl = Uri.base.resolve("pkg/compiler/bin/dart2js.dart");
Stopwatch stopwatch = new Stopwatch()..start();
Component component = await normalCompileToComponent(dart2jsUrl,
options: getOptions()
..target = new VmTarget(new TargetFlags())
..omitPlatform = false);
print("Compiled dart2js in ${stopwatch.elapsedMilliseconds} ms");
component.computeCanonicalNames();
stopwatch.reset();
List<List<int>> libComponents = <List<int>>[];
for (Library lib in component.libraries) {
Component libComponent = new Component(nameRoot: component.root);
libComponent.libraries.add(lib);
libComponent.uriToSource.addAll(component.uriToSource);
libComponent.setMainMethodAndMode(
component.mainMethodName, true, component.mode);
libComponents.add(serializeComponent(libComponent));
}
print("Serialized ${libComponents.length} separate library components "
"in ${stopwatch.elapsedMilliseconds} ms");
stopwatch.reset();
int totalLength = 0;
for (List<int> libComponent in libComponents) {
totalLength += libComponent.length;
}
Uint8List combined = new Uint8List(totalLength);
int index = 0;
for (List<int> libComponent in libComponents) {
combined.setRange(index, index + libComponent.length, libComponent);
index += libComponent.length;
}
print("Combined in ${stopwatch.elapsedMilliseconds} ms");
stopwatch.reset();
Component combinedComponent = new Component();
new BinaryBuilder(combined).readComponent(combinedComponent);
print("Read combined in ${stopwatch.elapsedMilliseconds} ms");
stopwatch.reset();
Uint8List merged = serializeComponent(combinedComponent);
print("Serialized combined component in ${stopwatch.elapsedMilliseconds} ms");
for (Uint8List data in [combined, merged]) {
stopwatch.reset();
Directory out = Directory.systemTemp.createTempSync("split_dill_test");
try {
File f = new File.fromUri(out.uri.resolve("out.dill"));
f.writeAsBytesSync(data);
ProcessResult result = await Process.run(
dartVm,
[
"--compile_all",
f.path,
"-h",
],
workingDirectory: out.path);
print("stdout: ${result.stdout}");
print("stderr: ${result.stderr}");
print("Exit code: ${result.exitCode}");
if (result.exitCode != 0) {
throw "Got exit code ${result.exitCode}";
}
print("Ran VM on dill in ${stopwatch.elapsedMilliseconds} ms");
} finally {
out.deleteSync(recursive: true);
}
}
}
final String repoDir = computeRepoDir();
String get dartVm => Platform.resolvedExecutable;