emit interfaces before use

lib/runtime/dart/async.js

Index: lib/runtime/dart/async.js
diff --git a/lib/runtime/dart/async.js b/lib/runtime/dart/async.js
index ccc39fa0bbff0d5f7532fc73724efef07bab3544..fb3ed4af7ec9195dc3bcfaceb7378afa94194e13 100644
--- a/lib/runtime/dart/async.js
+++ b/lib/runtime/dart/async.js
@@ -782,6 +782,21 @@ var async;
   let _close = Symbol('_close');
   let _sendDone = Symbol('_sendDone');
   let _checkState = Symbol('_checkState');
+  let StreamSubscription$ = dart.generic(function(T) {
+    class StreamSubscription extends core.Object {}
+    return StreamSubscription;
+  });
+  let StreamSubscription = StreamSubscription$(dart.dynamic);
+  let _EventSink$ = dart.generic(function(T) {
+    class _EventSink extends core.Object {}
+    return _EventSink;
+  });
+  let _EventSink = _EventSink$(dart.dynamic);
+  let _EventDispatch$ = dart.generic(function(T) {
+    class _EventDispatch extends core.Object {}
+    return _EventDispatch;
+  });
+  let _EventDispatch = _EventDispatch$(dart.dynamic);
   let _BufferingStreamSubscription$ = dart.generic(function(T) {
     class _BufferingStreamSubscription extends core.Object {
       _BufferingStreamSubscription(onData, onError, onDone, cancelOnError) {
@@ -1167,6 +1182,59 @@ var async;
   let _addEventError = Symbol('_addEventError');
   let _forEachListener = Symbol('_forEachListener');
   let _mayComplete = Symbol('_mayComplete');
+  let StreamConsumer$ = dart.generic(function(S) {
+    class StreamConsumer extends core.Object {}
+    return StreamConsumer;
+  });
+  let StreamConsumer = StreamConsumer$(dart.dynamic);
+  let EventSink$ = dart.generic(function(T) {
+    class EventSink extends core.Object {}
+    EventSink[dart.implements] = [core.Sink$(T)];
+    return EventSink;
+  });
+  let EventSink = EventSink$(dart.dynamic);
+  let StreamSink$ = dart.generic(function(S) {
+    class StreamSink extends core.Object {}
+    StreamSink[dart.implements] = [StreamConsumer$(S), EventSink$(S)];
+    return StreamSink;
+  });
+  let StreamSink = StreamSink$(dart.dynamic);
+  let StreamController$ = dart.generic(function(T) {
+    class StreamController extends core.Object {
+      StreamController(opts) {
+        let onListen = opts && 'onListen' in opts ? opts.onListen : null;
+        let onPause = opts && 'onPause' in opts ? opts.onPause : null;
+        let onResume = opts && 'onResume' in opts ? opts.onResume : null;
+        let onCancel = opts && 'onCancel' in opts ? opts.onCancel : null;
+        let sync = opts && 'sync' in opts ? opts.sync : false;
+        if (dart.notNull(onListen == null) && dart.notNull(onPause == null) && dart.notNull(onResume == null) && dart.notNull(onCancel == null)) {
+          return dart.as(sync ? new _NoCallbackSyncStreamController() : new _NoCallbackAsyncStreamController(), StreamController$(T));
+        }
+        return sync ? new _SyncStreamController(onListen, onPause, onResume, onCancel) : new _AsyncStreamController(onListen, onPause, onResume, onCancel);
+      }
+      broadcast(opts) {
+        let onListen = opts && 'onListen' in opts ? opts.onListen : null;
+        let onCancel = opts && 'onCancel' in opts ? opts.onCancel : null;
+        let sync = opts && 'sync' in opts ? opts.sync : false;
+        return sync ? new _SyncBroadcastStreamController(onListen, onCancel) : new _AsyncBroadcastStreamController(onListen, onCancel);
+      }
+    }
+    StreamController[dart.implements] = [StreamSink$(T)];
+    dart.defineNamedConstructor(StreamController, 'broadcast');
+    return StreamController;
+  });
+  let StreamController = StreamController$(dart.dynamic);
+  let _StreamControllerLifecycle$ = dart.generic(function(T) {
+    class _StreamControllerLifecycle extends core.Object {
+      [_recordPause](subscription) {}
+      [_recordResume](subscription) {}
+      [_recordCancel](subscription) {
+        return null;
+      }
+    }
+    return _StreamControllerLifecycle;
+  });
+  let _StreamControllerLifecycle = _StreamControllerLifecycle$(dart.dynamic);
   let _BroadcastStreamController$ = dart.generic(function(T) {
     class _BroadcastStreamController extends core.Object {
       _BroadcastStreamController(onListen$, onCancel$) {
@@ -2500,19 +2568,6 @@ var async;
       return _AsyncRun[_initializeScheduleImmediate]();
     }
   });
-  let StreamSubscription$ = dart.generic(function(T) {
-    class StreamSubscription extends core.Object {
-    }
-    return StreamSubscription;
-  });
-  let StreamSubscription = StreamSubscription$(dart.dynamic);
-  let EventSink$ = dart.generic(function(T) {
-    class EventSink extends core.Object {
-    }
-    EventSink[dart.implements] = [core.Sink$(T)];
-    return EventSink;
-  });
-  let EventSink = EventSink$(dart.dynamic);
   let _stream = Symbol('_stream');
   let StreamView$ = dart.generic(function(T) {
     class StreamView extends Stream$(T) {
@@ -2538,19 +2593,6 @@ var async;
     return StreamView;
   });
   let StreamView = StreamView$(dart.dynamic);
-  let StreamConsumer$ = dart.generic(function(S) {
-    class StreamConsumer extends core.Object {
-    }
-    return StreamConsumer;
-  });
-  let StreamConsumer = StreamConsumer$(dart.dynamic);
-  let StreamSink$ = dart.generic(function(S) {
-    class StreamSink extends core.Object {
-    }
-    StreamSink[dart.implements] = [StreamConsumer$(S), EventSink$(S)];
-    return StreamSink;
-  });
-  let StreamSink = StreamSink$(dart.dynamic);
   let StreamTransformer$ = dart.generic(function(S, T) {
     class StreamTransformer extends core.Object {
       StreamTransformer(transformer) {
@@ -2594,42 +2636,6 @@ var async;
     return _ControllerEventSinkWrapper;
   });
   let _ControllerEventSinkWrapper = _ControllerEventSinkWrapper$(dart.dynamic);
-  let StreamController$ = dart.generic(function(T) {
-    class StreamController extends core.Object {
-      StreamController(opts) {
-        let onListen = opts && 'onListen' in opts ? opts.onListen : null;
-        let onPause = opts && 'onPause' in opts ? opts.onPause : null;
-        let onResume = opts && 'onResume' in opts ? opts.onResume : null;
-        let onCancel = opts && 'onCancel' in opts ? opts.onCancel : null;
-        let sync = opts && 'sync' in opts ? opts.sync : false;
-        if (dart.notNull(onListen == null) && dart.notNull(onPause == null) && dart.notNull(onResume == null) && dart.notNull(onCancel == null)) {
-          return dart.as(sync ? new _NoCallbackSyncStreamController() : new _NoCallbackAsyncStreamController(), StreamController$(T));
-        }
-        return sync ? new _SyncStreamController(onListen, onPause, onResume, onCancel) : new _AsyncStreamController(onListen, onPause, onResume, onCancel);
-      }
-      broadcast(opts) {
-        let onListen = opts && 'onListen' in opts ? opts.onListen : null;
-        let onCancel = opts && 'onCancel' in opts ? opts.onCancel : null;
-        let sync = opts && 'sync' in opts ? opts.sync : false;
-        return sync ? new _SyncBroadcastStreamController(onListen, onCancel) : new _AsyncBroadcastStreamController(onListen, onCancel);
-      }
-    }
-    StreamController[dart.implements] = [StreamSink$(T)];
-    dart.defineNamedConstructor(StreamController, 'broadcast');
-    return StreamController;
-  });
-  let StreamController = StreamController$(dart.dynamic);
-  let _StreamControllerLifecycle$ = dart.generic(function(T) {
-    class _StreamControllerLifecycle extends core.Object {
-      [_recordPause](subscription) {}
-      [_recordResume](subscription) {}
-      [_recordCancel](subscription) {
-        return null;
-      }
-    }
-    return _StreamControllerLifecycle;
-  });
-  let _StreamControllerLifecycle = _StreamControllerLifecycle$(dart.dynamic);
   let _varData = Symbol('_varData');
   let _STATE_SUBSCRIBED = Symbol('_STATE_SUBSCRIBED');
   let _isInitialState = Symbol('_isInitialState');
@@ -2939,10 +2945,8 @@ var async;
       return null;
     }
   }
-  class _NoCallbackAsyncStreamController extends dart.mixin(_AsyncStreamControllerDispatch, _NoCallbacks) {
-  }
-  class _NoCallbackSyncStreamController extends dart.mixin(_SyncStreamControllerDispatch, _NoCallbacks) {
-  }
+  class _NoCallbackAsyncStreamController extends dart.mixin(_AsyncStreamControllerDispatch, _NoCallbacks) {}
+  class _NoCallbackSyncStreamController extends dart.mixin(_SyncStreamControllerDispatch, _NoCallbacks) {}
   // Function _runGuarded: (() → dynamic) → Future<dynamic>
   function _runGuarded(notificationHandler) {
     if (notificationHandler == null)
@@ -3035,18 +3039,6 @@ var async;
     return _StreamControllerAddStreamState;
   });
   let _StreamControllerAddStreamState = _StreamControllerAddStreamState$(dart.dynamic);
-  let _EventSink$ = dart.generic(function(T) {
-    class _EventSink extends core.Object {
-    }
-    return _EventSink;
-  });
-  let _EventSink = _EventSink$(dart.dynamic);
-  let _EventDispatch$ = dart.generic(function(T) {
-    class _EventDispatch extends core.Object {
-    }
-    return _EventDispatch;
-  });
-  let _EventDispatch = _EventDispatch$(dart.dynamic);
   let _isUsed = Symbol('_isUsed');
   let _GeneratedStreamImpl$ = dart.generic(function(T) {
     class _GeneratedStreamImpl extends _StreamImpl$(T) {
@@ -4297,8 +4289,7 @@ var async;
     }
   }
   _ZoneSpecification[dart.implements] = [ZoneSpecification];
-  class ZoneDelegate extends core.Object {
-  }
+  class ZoneDelegate extends core.Object {}
   let _$ = Symbol('_');
   let _enter = Symbol('_enter');
   let _leave = Symbol('_leave');
@@ -4989,6 +4980,16 @@ var async;
   exports.AsyncError = AsyncError;
   exports.Stream = Stream;
   exports.Stream$ = Stream$;
+  exports.StreamSubscription = StreamSubscription;
+  exports.StreamSubscription$ = StreamSubscription$;
+  exports.StreamController = StreamController;
+  exports.StreamController$ = StreamController$;
+  exports.StreamSink = StreamSink;
+  exports.StreamSink$ = StreamSink$;
+  exports.StreamConsumer = StreamConsumer;
+  exports.StreamConsumer$ = StreamConsumer$;
+  exports.EventSink = EventSink;
+  exports.EventSink$ = EventSink$;
   exports.DeferredLibrary = DeferredLibrary;
   exports.DeferredLoadException = DeferredLoadException;
   exports.Future = Future;
@@ -4997,22 +4998,12 @@ var async;
   exports.Completer = Completer;
   exports.Completer$ = Completer$;
   exports.scheduleMicrotask = scheduleMicrotask;
-  exports.StreamSubscription = StreamSubscription;
-  exports.StreamSubscription$ = StreamSubscription$;
-  exports.EventSink = EventSink;
-  exports.EventSink$ = EventSink$;
   exports.StreamView = StreamView;
   exports.StreamView$ = StreamView$;
-  exports.StreamConsumer = StreamConsumer;
-  exports.StreamConsumer$ = StreamConsumer$;
-  exports.StreamSink = StreamSink;
-  exports.StreamSink$ = StreamSink$;
   exports.StreamTransformer = StreamTransformer;
   exports.StreamTransformer$ = StreamTransformer$;
   exports.StreamIterator = StreamIterator;
   exports.StreamIterator$ = StreamIterator$;
-  exports.StreamController = StreamController;
-  exports.StreamController$ = StreamController$;
   exports.Timer = Timer;
   exports.ZoneSpecification = ZoneSpecification;
   exports.ZoneDelegate = ZoneDelegate;