Renamed StreamSink to EventSink. Renamed signalError to addError.

sdk/lib/isolate/isolate_stream.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.
 
 part of dart.isolate;
 
 /**
  * The initial [IsolateStream] available by default for this isolate. This
  * [IsolateStream] is created automatically and it is commonly used to establish
  * the first communication between isolates (see [streamSpawnFunction] and
@@ skipping 108 matching lines @@
 }
 
 /**
  * [IsolateSink]s represent the feed for [IsolateStream]s. Any message written
  * to [this] is delivered to its respective [IsolateStream]. [IsolateSink]s are
  * created by [MessageBox]es.
  *
  * [IsolateSink]s can be transmitted to other isolates.
  */
 class IsolateSink extends StreamSink<dynamic> {
+  // TODO(8997): Implement EventSink instead.
   bool _isClosed = false;
   final SendPort _port;
   IsolateSink._fromPort(this._port);
 
   /**
    * Sends an asynchronous [message] to the linked [IsolateStream]. The message
    * is copied to the receiving isolate.
    *
    * The content of [message] can be: primitive values (null, num, bool, double,
    * String), instances of [IsolateSink]s, and lists and maps whose elements are
    * any of these. List and maps are also allowed to be cyclic.
    *
    * In the special circumstances when two isolates share the same code and are
    * running in the same process (e.g. isolates created via [spawnFunction]), it
    * is also possible to send object instances (which would be copied in the
    * process). This is currently only supported by the dartvm.  For now, the
    * dart2js compiler only supports the restricted messages described above.
    */
   void add(dynamic message) {
     var mangled = _mangleMessage(message);
     _port.send(mangled);
   }
 
-  void signalError(AsyncError errorEvent) {
+  void addError(AsyncError errorEvent) {
     throw new UnimplementedError("signalError on isolate streams");
   }
 
   dynamic _mangleMessage(var message) {
     _IsolateEncoder encoder = new _IsolateEncoder(
         _ISOLATE_STREAM_TOKEN,
         (data) {
           if (data is IsolateSink) return ["Sink", data._port];
           if (identical(data, const _CloseToken())) return ["Close"];
           return data;
@@ skipping 43 matching lines @@
  * Creates and spawns an isolate whose code is available at [uri].  Like with
  * [streamSpawnFunction], the child isolate will have a default [IsolateStream],
  * and a this function returns an [IsolateSink] feeding into it.
  *
  * See comments at the top of this library for more details.
  */
 IsolateSink streamSpawnUri(String uri) {
   SendPort sendPort = spawnUri(uri);
   return new IsolateSink._fromPort(sendPort);
 }