Implementation of async-await transformation on js ast.

pkg/compiler/lib/src/resolution/resolution.dart

 // Copyright (c) 2012, 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 resolution;
 
 import 'dart:collection' show Queue;
 
 import '../constants/expressions.dart';
 import '../constants/values.dart';
 import '../dart_backend/dart_backend.dart' show DartBackend;
 import '../dart_types.dart';
 import '../dart2jslib.dart';
 import '../tree/tree.dart';
 import '../scanner/scannerlib.dart';
 import '../elements/elements.dart';
 
+import '../js_backend/js_backend.dart';

[floitsch, 2015/02/02 22:00:10]

That feels fishy. Why would the resolution need to know anything about the
js_backend?

[sigurdm, 2015/02/03 16:59:31]

It is actually not needed anymore. It was a hack during development that I
forgot to remove.

+
 import '../elements/modelx.dart' show
     BaseClassElementX,
     BaseFunctionElementX,
     ConstructorElementX,
     ErroneousConstructorElementX,
     ErroneousElementX,
     ErroneousFieldElementX,
     ErroneousInitializingFormalElementX,
     FieldElementX,
     FormalElementX,
@@ skipping 19 matching lines @@
 import '../util/util.dart';
 
 import 'class_members.dart' show MembersCreator;
 import 'enum_creator.dart';
 import 'secret_tree_element.dart' show getTreeElement, setTreeElement;
 
 part 'members.dart';
 part 'registry.dart';
 part 'scope.dart';
 part 'signatures.dart';