Jacob Richman
e2976acd22
This is needed to activate the kernel transformer embedded with the kernel package from the flutter engine. Change-Id: I3253e01723b662eb48b4b3743ac5bcc1b44c7d46 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/102920 Reviewed-by: Jake Macdonald <jakemac@google.com> Reviewed-by: Aske Simon Christensen <askesc@google.com> Commit-Queue: Jacob Richman <jacobr@google.com>
81 lines
3.0 KiB
Dart
Executable File
81 lines
3.0 KiB
Dart
Executable File
#!/usr/bin/env dart
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// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:async';
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import 'dart:convert' show json;
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import 'dart:io';
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import 'package:args/args.dart' show ArgParser;
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import 'package:dev_compiler/src/compiler/module_builder.dart';
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import 'package:dev_compiler/src/compiler/shared_command.dart'
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show SharedCompilerOptions;
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import 'package:dev_compiler/src/kernel/target.dart';
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import 'package:dev_compiler/src/kernel/command.dart';
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import 'package:dev_compiler/src/kernel/compiler.dart';
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import 'package:front_end/src/api_unstable/ddc.dart'
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show CompilerOptions, kernelForComponent;
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import 'package:kernel/kernel.dart';
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import 'package:kernel/target/targets.dart';
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import 'package:path/path.dart' as path;
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Future main(List<String> args) async {
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var ddcPath = path.dirname(path.dirname(path.fromUri(Platform.script)));
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// Parse flags.
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var parser = ArgParser()
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..addOption('output')
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..addOption('libraries',
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defaultsTo: path.join(ddcPath, '../../sdk/lib/libraries.json'));
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var parserOptions = parser.parse(args);
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var outputPath = parserOptions['output'] as String;
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if (outputPath == null) {
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var sdkRoot = path.absolute(path.dirname(path.dirname(ddcPath)));
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var buildDir = path.join(sdkRoot, Platform.isMacOS ? 'xcodebuild' : 'out');
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var genDir = path.join(buildDir, 'ReleaseX64', 'gen', 'utils', 'dartdevc');
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outputPath = path.join(genDir, 'kernel', 'ddc_sdk.dill');
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}
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var librarySpecPath = parserOptions['libraries'] as String;
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var target = DevCompilerTarget(TargetFlags());
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var options = CompilerOptions()
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..compileSdk = true
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// TODO(sigmund): remove this unnecessary option when possible.
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..sdkRoot = Uri.base
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..librariesSpecificationUri = Uri.base.resolveUri(Uri.file(librarySpecPath))
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..target = target;
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var inputs = target.extraRequiredLibraries.map(Uri.parse).toList();
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var component = await kernelForComponent(inputs, options);
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var outputDir = path.dirname(outputPath);
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await Directory(outputDir).create(recursive: true);
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await writeComponentToBinary(component, outputPath);
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File(librarySpecPath).copySync(
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path.join(path.dirname(outputDir), path.basename(librarySpecPath)));
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var jsModule = ProgramCompiler(
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component,
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target.hierarchy,
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SharedCompilerOptions(moduleName: 'dart_sdk'),
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{}).emitModule(component, [], [], {});
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var moduleFormats = {
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'amd': ModuleFormat.amd,
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'common': ModuleFormat.common,
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'es6': ModuleFormat.es6,
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'legacy': ModuleFormat.legacy,
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};
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for (var name in moduleFormats.keys) {
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var format = moduleFormats[name];
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var jsDir = path.join(outputDir, name);
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var jsPath = path.join(jsDir, 'dart_sdk.js');
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await Directory(jsDir).create();
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var jsCode = jsProgramToCode(jsModule, format);
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await File(jsPath).writeAsString(jsCode.code);
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await File('$jsPath.map').writeAsString(json.encode(jsCode.sourceMap));
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}
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}
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