mirror of
https://github.com/dart-lang/sdk
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114 lines
3.6 KiB
Dart
114 lines
3.6 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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import 'dart:io';
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Future<String> getVersion(var rootPath) {
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var suffix = Platform.operatingSystem == 'windows' ? '.exe' : '';
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var printVersionScript = rootPath.resolve("tools/print_version.py");
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return Process.run("python$suffix",
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[printVersionScript.toFilePath()]).then((result) {
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if (result.exitCode != 0) {
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throw "Could not generate version";
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}
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return result.stdout.trim();
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});
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}
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Future<String> getSnapshotGenerationFile(var args, var rootPath) {
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var dart2js = rootPath.resolve(args["dart2js_main"]);
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return getVersion(rootPath).then((version) {
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var snapshotGenerationText =
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"""
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import '${dart2js.toFilePath(windows: false)}' as dart2jsMain;
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import 'dart:io';
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void main(List<String> arguments) {
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if (arguments.length < 1) throw "No tool given as argument";
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String tool = arguments[0];
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if (tool == "dart2js") {
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dart2jsMain.BUILD_ID = "$version";
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dart2jsMain.main(arguments.skip(1).toList());
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}
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}
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""";
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return snapshotGenerationText;
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});
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}
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Future<String> getDart2jsSnapshotGenerationFile(var args, var rootPath) {
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var dart2js = rootPath.resolve(args["dart2js_main"]);
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return getVersion(rootPath).then((version) {
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var snapshotGenerationText =
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"""
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import '${dart2js.toFilePath(windows: false)}' as dart2jsMain;
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void main(List<String> arguments) {
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dart2jsMain.BUILD_ID = "$version";
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dart2jsMain.main(arguments);
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}
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""";
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return snapshotGenerationText;
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});
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}
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void writeSnapshotFile(var path, var content) {
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File file = new File(path);
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var writer = file.openSync(mode: FileMode.WRITE);
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writer.writeStringSync(content);
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writer.close();
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}
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Future createSnapshot(var dart_file) {
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return Process.run(Platform.executable,
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["--packages=../../.packages",
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"--snapshot=$dart_file.snapshot",
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dart_file])
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.then((result) {
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if (result.exitCode != 0) {
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print("Could not generate snapshot: result code ${result.exitCode}");
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print(result.stdout);
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print(result.stderr);
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throw "Could not generate snapshot";
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}
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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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*/
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void main(List<String> arguments) {
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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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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 $argument";
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}
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args[argumentSplit[0].substring(2)] = argumentSplit[1];
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}
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if (!args.containsKey("dart2js_main")) throw "Please specify dart2js_main";
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if (!args.containsKey("output_dir")) throw "Please specify output_dir";
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var scriptFile = Uri.base.resolveUri(Platform.script);
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var path = scriptFile.resolve(".");
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var rootPath = path.resolve("../..");
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getSnapshotGenerationFile(args, rootPath).then((result) {
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var wrapper = "${args['output_dir']}/utils_wrapper.dart";
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writeSnapshotFile(wrapper, result);
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createSnapshot(wrapper);
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});
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getDart2jsSnapshotGenerationFile(args, rootPath).then((result) {
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var wrapper = "${args['output_dir']}/dart2js.dart";
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writeSnapshotFile(wrapper, result);
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createSnapshot(wrapper);
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});
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}
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