Robert Nystrom
e5194dae87
Change-Id: I7b28583eb928f60a45d1f476194d197b4df88062 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/425184 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse Nielsen <lrn@google.com> Reviewed-by: Nate Bosch <nbosch@google.com> Commit-Queue: Nate Bosch <nbosch@google.com>
76 lines
2.5 KiB
Dart
76 lines
2.5 KiB
Dart
// Copyright (c) 2013, 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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/// Generates a wrapper around dart2js to ship with the SDK.
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///
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/// The only reason to create this wrapper is to be able to embed the sdk
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/// version information into the compiler.
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import 'dart:io';
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import 'dart:async';
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Future<String> getVersion(var rootPath, bool noGitHash) {
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var printVersionScript = rootPath.resolve("tools/make_version.py");
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var args = <String>[
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printVersionScript.toFilePath(),
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"--quiet",
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if (noGitHash) '--no-git-hash',
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];
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return Process.run("python3", args, runInShell: true).then((result) {
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if (result.exitCode != 0) {
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throw "Could not generate version: ${args.join(' ')}"
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"\n${result.stdout}\n${result.stderr}";
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}
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return result.stdout.trim();
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});
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}
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Future<String> getDart2jsSnapshotGenerationFile(var rootPath, bool noGitHash) {
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return getVersion(rootPath, noGitHash).then((version) {
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var snapshotGenerationText =
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"""
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import 'package:compiler/src/dart2js.dart' as dart2jsMain;
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void main(List<String> arguments) {
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dart2jsMain.buildID = "$version";
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dart2jsMain.main(arguments);
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}
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""";
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return snapshotGenerationText;
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});
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}
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/**
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* Takes the following arguments:
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* --output_dir=val The full path to the output_dir.
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* --dart2js_main=val The path to the dart2js main script relative to root.
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* --no-git-hash Omit the git hash in the output.
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*/
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void main(List<String> arguments) {
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bool noGitHash = false;
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var validArguments = ["--output_dir", "--dart2js_main"];
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var args = {};
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for (var argument in arguments) {
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if (argument == '--no-git-hash') {
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noGitHash = true;
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continue;
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}
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var argumentSplit = argument.split("=");
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if (argumentSplit.length != 2) throw "Invalid argument $argument, no =";
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if (!validArguments.contains(argumentSplit[0])) {
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throw "Invalid argument $argument";
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}
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args[argumentSplit[0].substring(2)] = argumentSplit[1];
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}
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if (!args.containsKey("output_dir")) throw "Please specify output_dir";
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var scriptFile = Uri.base.resolveUri(Platform.script);
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var path = scriptFile.resolve(".");
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var rootPath = path.resolve("../..");
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getDart2jsSnapshotGenerationFile(rootPath, noGitHash).then((result) {
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var wrapper = "${args['output_dir']}/dart2js.dart";
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new File(wrapper).writeAsStringSync(result);
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});
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}
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