Joshua Litt
20faaa5d94
Change-Id: Ib18f554c1076f27a3f7c0df5a36410da41a1f467 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/148784 Reviewed-by: Paul Berry <paulberry@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
72 lines
2.4 KiB
Dart
72 lines
2.4 KiB
Dart
// Copyright (c) 2018, 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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// @dart = 2.7
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import 'package:_fe_analyzer_shared/src/util/filenames.dart';
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import 'package:args/args.dart';
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import 'package:compiler/src/commandline_options.dart';
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/// Creates an [ArgParser] that supports various dart2js command-line options.
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ArgParser createArgParser() {
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ArgParser argParser = new ArgParser(allowTrailingOptions: true);
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argParser.addFlag('fast-startup', defaultsTo: false);
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argParser.addFlag('omit-implicit-checks', defaultsTo: false);
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argParser.addFlag('minify', abbr: 'm', defaultsTo: false);
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argParser.addFlag('trust-primitives', defaultsTo: false);
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argParser.addFlag('verbose', abbr: 'v', defaultsTo: false);
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argParser.addOption('libraries-spec');
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argParser.addOption('packages');
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return argParser;
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}
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/// Retrieves the entry point [Uri] from [argResults].
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Uri getEntryPoint(ArgResults argResults) {
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Uri entryPoint;
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if (argResults.rest.isNotEmpty) {
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if (argResults.rest.length > 1) {
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throw new ArgumentError(
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'Extra arguments: ${argResults.rest.skip(1).join(" ")}');
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}
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entryPoint = Uri.base.resolve(nativeToUriPath(argResults.rest.single));
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}
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return entryPoint;
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}
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/// Retrieves the library root [Uri] from [argResults].
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Uri getLibrariesSpec(ArgResults argResults) {
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if (!argResults.wasParsed('libraries-spec')) return null;
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return Uri.base.resolve(nativeToUriPath(argResults['libraries-spec']));
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}
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/// Retrieves the packages config [Uri] from [argResults].
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Uri getPackages(ArgResults argResults) {
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Uri packageConfig;
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if (argResults.wasParsed('packages')) {
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packageConfig = Uri.base.resolve(nativeToUriPath(argResults['packages']));
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}
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return packageConfig;
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}
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/// Retrieves the options from [argResults].
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List<String> getOptions(ArgResults argResults) {
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List<String> options = <String>[];
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if (argResults['fast-startup']) {
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options.add(Flags.fastStartup);
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}
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if (argResults['omit-implicit-checks']) {
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options.add(Flags.omitImplicitChecks);
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}
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if (argResults['minify']) {
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options.add(Flags.minify);
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}
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if (argResults['trust-primitives']) {
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options.add(Flags.trustPrimitives);
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}
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if (argResults['verbose']) {
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options.add(Flags.verbose);
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}
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return options;
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}
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