Client-side support for stacktrace VM status.

runtime/bin/vmstats/models.dart

 // 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.
 
 part of dart.vmstats;
 
 // Base class of model that reports changes to registered listeners.
 abstract class ObservableModel {
   List<ModelListener> _listeners = [];
 
@@ skipping 65 matching lines @@
   Iterator<Isolate> get iterator => _isolates.iterator;
 
   int get length => _isolates.length;
 
   Isolate operator[](int index) => _isolates[index];
 }
 
 
 // Model of a single isolate.
 class Isolate {
+  final String handle;
   final String name;
   final int port;
   final int startTime;
   final int stackLimit;
   final Space newSpace;
   final Space oldSpace;
 
   // Create an isolate from a map describing an isolate in the observed VM.
   Isolate(Map raw):
+      handle = raw['handle'],
       name = raw['name'],
       port = raw['port'],
       startTime = raw['starttime'],
       stackLimit = raw['stacklimit'],
       newSpace = new Space(raw['newspace']),
       oldSpace = new Space(raw['oldspace']) {}
 
   String toString() {
     return '$name: ${newSpace.used + oldSpace.used}K';
   }
 }
 
 // Model of a memory space.
 class Space {
   final int used;
   final int capacity;
 
   Space(Map raw): used = raw['used'], capacity = raw['capacity'] {}
 
   String toString() {
     return 'used: $used capacity: $capacity';
   }
 }