Report errors and warnings for hiding elements, issue 572.

client/samples/isolate/IsolateSample.dart

 // Copyright (c) 2011, 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.
 
 /**
  * These are the messages we are going to send to the isolates
  * that we create.
  */
 class MessageId {
   static final INIT = "init";
@@ skipping 54 matching lines @@
       element.on.click.add((Event e) {
         replyElement.text = "waiting for reply...";
 
         // get the last letter on the button (assuming the button text is, for
         // example, "send message to A".
         String buttonText = e.currentTarget.dynamic.attributes["value"];
         String isolateName = buttonText[buttonText.length - 1];
         String greeting = document.query("#greetingText").dynamic.value;
         var message = { "id": MessageId.GREETING, "args" : [ greeting ] };
         ports[isolateName].call(message).receive(
-            (var message, SendPort replyTo) {
-              replyElement.text = message;
+            (var msg, SendPort replyTo) {
+              replyElement.text = msg;
         });
       });
     }
 
     chirpPort.receive((var message, SendPort replyTo) {
       replyElement.text = message;
     });
   }
 
   static void main() {
@@ skipping 27 matching lines @@
         case MessageId.INIT:
           init(message["args"][0], message["args"][1]);
           break;
         case MessageId.GREETING:
           greeting(message["args"][0], replyTo);
           break;
       }
     });
   }
 
-  void init(String isolateName, SendPort chirpPort) {
-    this.isolateName = isolateName;
-    this.chirpPort = chirpPort;
+  void init(String isolateName_, SendPort chirpPort_) {
+    this.isolateName = isolateName_;
+    this.chirpPort = chirpPort_;
     div = new Element.tag("div");
     div.classes = ["isolate", "isolate${isolateName}"];
     div.innerHTML = document.query("#isolateTemplate").
         firstElementChild.dynamic.innerHTML;
     div.query(".isolateName").text = isolateName;
     document.query("#isolateParent").nodes.add(div);
     div.query(".chirpButton").on.click.add(
-        void _(Event) { chirpPort.call(
+        void _(event) { chirpPort.call(
               "this is a chirp message from isolate " + isolateName);
     }, false);
   }
 
   /**
    * Display the message we received, and send back a simple reply (unless
    * the user has unchecked the reply checkbox).
    */
   void greeting(String message, SendPort replyTo) {
       div.query(".messageBox").dynamic.innerHTML =
         "received message: <span class='messageText'>'${message}'</span>";
       if (div.query(".replyCheckbox").dynamic.checked) {
         InputElement element = div.query(".delayTextbox");
         int millis = Math.parseInt(element.value);
         window.setTimeout(() {
           replyTo.send("this is a reply from isolate '${isolateName}'", null);
         }, millis);
       }
   }
 }