dart-sdk/utils/compiler/create_snapshot_entry.dart
Nate Biggs 5969da51d9 [dart2js] Update build infrastructure to move Dart2JS onto sound null safety.
Change-Id: Id172ab72e5d36899f699bb48f8ceb3609964efbc
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/280221
Reviewed-by: Sigmund Cherem <sigmund@google.com>
Commit-Queue: Nate Biggs <natebiggs@google.com>
2023-02-22 17:19:43 +00:00

64 lines
2.1 KiB
Dart

// Copyright (c) 2013, 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.
/// Generates a wrapper around dart2js to ship with the SDK.
///
/// The only reason to create this wrapper is to be able to embed the sdk
/// version information into the compiler.
import 'dart:io';
import 'dart:async';
Future<String> getVersion(var rootPath) {
var printVersionScript = rootPath.resolve("tools/make_version.py");
return Process.run("python3", [printVersionScript.toFilePath(), "--quiet"],
runInShell: true)
.then((result) {
if (result.exitCode != 0) {
throw "Could not generate version";
}
return result.stdout.trim();
});
}
Future<String> getDart2jsSnapshotGenerationFile(var rootPath) {
return getVersion(rootPath).then((version) {
var snapshotGenerationText = """
import 'package:compiler/src/dart2js.dart' as dart2jsMain;
void main(List<String> arguments) {
dart2jsMain.BUILD_ID = "$version";
dart2jsMain.main(arguments);
}
""";
return snapshotGenerationText;
});
}
/**
* Takes the following arguments:
* --output_dir=val The full path to the output_dir.
* --dart2js_main=val The path to the dart2js main script relative to root.
*/
void main(List<String> arguments) {
var validArguments = ["--output_dir", "--dart2js_main"];
var args = {};
for (var argument in arguments) {
var argumentSplit = argument.split("=");
if (argumentSplit.length != 2) throw "Invalid argument $argument, no =";
if (!validArguments.contains(argumentSplit[0])) {
throw "Invalid argument $argument";
}
args[argumentSplit[0].substring(2)] = argumentSplit[1];
}
if (!args.containsKey("output_dir")) throw "Please specify output_dir";
var scriptFile = Uri.base.resolveUri(Platform.script);
var path = scriptFile.resolve(".");
var rootPath = path.resolve("../..");
getDart2jsSnapshotGenerationFile(rootPath).then((result) {
var wrapper = "${args['output_dir']}/dart2js.dart";
new File(wrapper).writeAsStringSync(result);
});
}