GN: Build app snapshots for the SDK tools.

utils/compiler/create_snapshot.dart

Index: utils/compiler/create_snapshot.dart
diff --git a/utils/compiler/create_snapshot.dart b/utils/compiler/create_snapshot.dart
deleted file mode 100644
index c2ca95e2944703ca4731d4515638d2db3078d502..0000000000000000000000000000000000000000
--- a/utils/compiler/create_snapshot.dart
+++ /dev/null
@@ -1,113 +0,0 @@
-// 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.
-
-import 'dart:io';
-
-Future<String> getVersion(var rootPath) {
-  var suffix = Platform.operatingSystem == 'windows' ? '.exe' : '';
-  var printVersionScript = rootPath.resolve("tools/print_version.py");
-  return Process.run("python$suffix",
-                     [printVersionScript.toFilePath()]).then((result) {
-    if (result.exitCode != 0) {
-      throw "Could not generate version";
-    }
-    return result.stdout.trim();
-  });
-}
-
-Future<String> getSnapshotGenerationFile(var args, var rootPath) {
-  var dart2js = rootPath.resolve(args["dart2js_main"]);
-  return getVersion(rootPath).then((version) {
-    var snapshotGenerationText =
-"""
-import '${dart2js.toFilePath(windows: false)}' as dart2jsMain;
-import 'dart:io';
-
-void main(List<String> arguments) {
-  if (arguments.length < 1) throw "No tool given as argument";
-  String tool = arguments[0];
-  if (tool == "dart2js") {
-    dart2jsMain.BUILD_ID = "$version";
-    dart2jsMain.main(arguments.skip(1).toList());
-  }
-}
-
-""";
-    return snapshotGenerationText;
-  });
-}
-
-Future<String> getDart2jsSnapshotGenerationFile(var args, var rootPath) {
-  var dart2js = rootPath.resolve(args["dart2js_main"]);
-  return getVersion(rootPath).then((version) {
-    var snapshotGenerationText =
-"""
-import '${dart2js.toFilePath(windows: false)}' as dart2jsMain;
-
-void main(List<String> arguments) {
-  dart2jsMain.BUILD_ID = "$version";
-  dart2jsMain.main(arguments);
-}
-""";
-    return snapshotGenerationText;
-  });
-}
-
-void writeSnapshotFile(var path, var content) {
-    File file = new File(path);
-    var writer = file.openSync(mode: FileMode.WRITE);
-    writer.writeStringSync(content);
-    writer.close();
-}
-
-Future createSnapshot(var dart_file) {
-  return Process.run(Platform.executable,
-                     ["--packages=../../.packages",
-                      "--snapshot=$dart_file.snapshot",
-                      dart_file])
-      .then((result) {
-        if (result.exitCode != 0) {
-          print("Could not generate snapshot: result code ${result.exitCode}");
-          print(result.stdout);
-          print(result.stderr);
-          throw "Could not generate snapshot";
-        }
-      });
-}
-
-/**
- * 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 $argument";
-    }
-    args[argumentSplit[0].substring(2)] = argumentSplit[1];
-  }
-  if (!args.containsKey("dart2js_main")) throw "Please specify dart2js_main";
-  if (!args.containsKey("output_dir")) throw "Please specify output_dir";
-
-  var scriptFile = Uri.base.resolveUri(Platform.script);
-  var path = scriptFile.resolve(".");
-  var rootPath = path.resolve("../..");
-  getSnapshotGenerationFile(args, rootPath).then((result) {
-    var wrapper = "${args['output_dir']}/utils_wrapper.dart";
-    writeSnapshotFile(wrapper, result);
-    createSnapshot(wrapper);
-  });
-
-  getDart2jsSnapshotGenerationFile(args, rootPath).then((result) {
-    var wrapper = "${args['output_dir']}/dart2js.dart";
-    writeSnapshotFile(wrapper, result);
-    createSnapshot(wrapper);
-  });
-
-}