Store the async-await compiled pub code directly in the repo.

sdk/lib/_internal/pub_generated/lib/src/barback/transformer_isolate.dart

Index: sdk/lib/_internal/pub_generated/lib/src/barback/transformer_isolate.dart
diff --git a/sdk/lib/_internal/pub/lib/src/barback/transformer_isolate.dart b/sdk/lib/_internal/pub_generated/lib/src/barback/transformer_isolate.dart
similarity index 56%
copy from sdk/lib/_internal/pub/lib/src/barback/transformer_isolate.dart
copy to sdk/lib/_internal/pub_generated/lib/src/barback/transformer_isolate.dart
index 3b665fc7acd6b4e6b106bfc3a5f95d31960eb911..7e7f14ccf8da1dfdf17ea600a5d1e038edbc7aab 100644
--- a/sdk/lib/_internal/pub/lib/src/barback/transformer_isolate.dart
+++ b/sdk/lib/_internal/pub_generated/lib/src/barback/transformer_isolate.dart
@@ -1,17 +1,10 @@
-// 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.
-
 library pub.transformer_isolate;
-
 import 'dart:async';
 import 'dart:convert';
 import 'dart:isolate';
-
 import 'package:barback/barback.dart';
 import 'package:source_span/source_span.dart';
 import 'package:stack_trace/stack_trace.dart';
-
 import '../../../asset/dart/serialize.dart';
 import '../barback.dart';
 import '../exceptions.dart';
@@ -23,28 +16,10 @@ import 'barback_server.dart';
 import 'foreign_transformer.dart';
 import 'transformer_config.dart';
 import 'transformer_id.dart';
-
-/// A wrapper for an isolate from which transformer plugins can be instantiated.
 class TransformerIsolate {
-  /// The port used to communicate with the wrapped isolate.
   final SendPort _port;
-
-  /// A map indicating the barback server URLs for each [TransformerId] that's
-  /// loaded in the wrapped isolate.
-  ///
-  /// A barback server URL is the URL for the library that the given id
-  /// identifies. For example, the URL for "polymer/src/mirrors_remover" might
-  /// be "http://localhost:56234/packages/polymer/src/mirrors_remover.dart".
   final Map<TransformerId, Uri> _idsToUrls;
-
-  /// The barback mode for this run of pub.
   final BarbackMode _mode;
-
-  /// Spawns an isolate that loads all transformer libraries defined by [ids].
-  ///
-  /// This doesn't actually instantiate any transformers, since a
-  /// [TransformerId] doesn't define the transformers' configuration. The
-  /// transformers can be constructed using [create].
   static Future<TransformerIsolate> spawn(AssetEnvironment environment,
       BarbackServer transformerServer, List<TransformerId> ids) {
     return mapFromIterableAsync(ids, value: (id) {
@@ -53,58 +28,37 @@ class TransformerIsolate {
       var baseUrl = transformerServer.url;
       var idsToUrls = mapMap(idsToAssetIds, value: (id, assetId) {
         var path = assetId.path.replaceFirst('lib/', '');
-        // TODO(nweiz): load from a "package:" URI when issue 12474 is fixed.
         return baseUrl.resolve('packages/${id.package}/$path');
       });
-
       var code = new StringBuffer();
       code.writeln("import 'dart:isolate';");
-
       for (var url in idsToUrls.values) {
         code.writeln("import '$url';");
       }
-
-      code.writeln("import "
-          "r'$baseUrl/packages/\$pub/transformer_isolate.dart';");
+      code.writeln(
+          "import " "r'$baseUrl/packages/\$pub/transformer_isolate.dart';");
       code.writeln(
           "void main(_, SendPort replyTo) => loadTransformers(replyTo);");
-
       log.fine("Loading transformers from $ids");
-
       var port = new ReceivePort();
-      return dart.runInIsolate(code.toString(), port.sendPort)
-          .then((_) => port.first)
-          .then((sendPort) {
+      return dart.runInIsolate(
+          code.toString(),
+          port.sendPort).then((_) => port.first).then((sendPort) {
         return new TransformerIsolate._(sendPort, environment.mode, idsToUrls);
       }).catchError((error, stackTrace) {
         if (error is! CrossIsolateException) throw error;
         if (error.type != 'IsolateSpawnException') throw error;
-
-        // TODO(nweiz): don't parse this as a string once issues 12617 and 12689
-        // are fixed.
         var firstErrorLine = error.message.split('\n')[1];
         var missingTransformer = idsToUrls.keys.firstWhere(
-            (id) => firstErrorLine.startsWith(
-                "Uncaught Error: Failure getting ${idsToUrls[id]}:"),
+            (id) =>
+                firstErrorLine.startsWith("Uncaught Error: Failure getting ${idsToUrls[id]}:"),
             orElse: () => throw error);
         var packageUri = idToPackageUri(idsToAssetIds[missingTransformer]);
-
-        // If there was an IsolateSpawnException and the import that actually
-        // failed was the one we were loading transformers from, throw an
-        // application exception with a more user-friendly message.
-        fail('Transformer library "$packageUri" not found.',
-            error, stackTrace);
+        fail('Transformer library "$packageUri" not found.', error, stackTrace);
       });
     });
   }
-
   TransformerIsolate._(this._port, this._mode, this._idsToUrls);
-
-  /// Instantiate the transformers in the [config.id] with
-  /// [config.configuration].
-  ///
-  /// If there are no transformers defined in the given library, this will
-  /// return an empty set.
   Future<Set<Transformer>> create(TransformerConfig config) {
     return call(_port, {
       'library': _idsToUrls[config.id].toString(),
@@ -112,8 +66,7 @@ class TransformerIsolate {
       'configuration': JSON.encode(config.configuration)
     }).then((transformers) {
       transformers = transformers.map(
-          (transformer) => deserializeTransformerLike(transformer, config))
-          .toSet();
+          (transformer) => deserializeTransformerLike(transformer, config)).toSet();
       log.fine("Transformers from $config: $transformers");
       return transformers;
     }).catchError((error, stackTrace) {
@@ -121,13 +74,10 @@ class TransformerIsolate {
     });
   }
 }
-
-/// An error thrown when a transformer fails to load.
-class TransformerLoadError extends SourceSpanException
-    implements WrappedException {
+class TransformerLoadError extends SourceSpanException implements
+    WrappedException {
   final CrossIsolateException innerError;
   Chain get innerChain => innerError.stackTrace;
-
   TransformerLoadError(CrossIsolateException error, SourceSpan span)
       : innerError = error,
         super("Error loading transformer: ${error.message}", span);