Converted Observatory object-pool-view element

runtime/observatory/lib/src/service/object.dart

 // Copyright (c) 2014, 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 service;
 
 // Some value smaller than the object ring, so requesting a large array
 // doesn't result in an expired ref because the elements lapped it in the
 // object ring.
 const int kDefaultFieldLimit = 100;
@@ skipping 3591 matching lines @@
       var endPos = descriptor['endPos'];
       var scopeId = descriptor['scopeId'];
       var kind = descriptor['kind'].trim();
       descriptors.add(
           new LocalVarDescriptor(id, name, index, beginPos, endPos, scopeId,
                                  kind));
     }
   }
 }
 
-class ObjectPool extends HeapObject implements M.ObjectPoolRef {
+class ObjectPool extends HeapObject implements M.ObjectPool {
   bool get immutable => false;
 
   @observable int length;
-  @observable List entries;
+  @observable List<ObjectPoolEntry> entries;
 
   ObjectPool._empty(ServiceObjectOwner owner) : super._empty(owner);
 
   void _update(ObservableMap map, bool mapIsRef) {
     _upgradeCollection(map, isolate);
     super._update(map, mapIsRef);
 
     length = map['length'];
     if (mapIsRef) {
       return;
     }
-    entries = map['_entries'];
+    entries = map['_entries'].map((map) => new ObjectPoolEntry(map));
   }
 }
 
+class ObjectPoolEntry implements M.ObjectPoolEntry {
+  final int offset;
+  final M.ObjectPoolEntryKind kind;
+  final M.ObjectRef asObject;
+  final int asInteger;
+
+  factory ObjectPoolEntry(map) {
+    M.ObjectPoolEntryKind kind = stringToObjectPoolEntryKind(map['kind']);
+    int offset = map['offset'];
+    switch (kind) {
+      case M.ObjectPoolEntryKind.object:
+        return new ObjectPoolEntry._fromObject(map['value'], offset);
+      default:
+        return new ObjectPoolEntry._fromInteger(kind, map['value'], offset);
+    }
+  }
+
+  ObjectPoolEntry._fromObject(this.asObject, this.offset)
+    : kind = M.ObjectPoolEntryKind.object,
+      asInteger = null;
+
+  ObjectPoolEntry._fromInteger(this.kind, this.asInteger, this.offset)
+    : asObject = null;
+}
+
+M.ObjectPoolEntryKind stringToObjectPoolEntryKind(String kind) {
+  switch (kind) {
+    case 'Object':
+      return M.ObjectPoolEntryKind.object;
+    case 'Immediate':
+      return M.ObjectPoolEntryKind.immediate;
+    case 'NativeEntry':
+      return M.ObjectPoolEntryKind.nativeEntry;
+  }
+  throw new Exception('Unknown ObjectPoolEntryKind ($kind)');
+}
+
 class ICData extends HeapObject implements M.ICData {
   @observable HeapObject dartOwner;
   @observable String selector;
   @observable Instance argumentsDescriptor;
   @observable Instance entries;
 
   bool get immutable => false;
 
   ICData._empty(ServiceObjectOwner owner) : super._empty(owner);
 
@@ skipping 688 matching lines @@
     var v = list[i];
     if ((v is ObservableMap) && _isServiceMap(v)) {
       list[i] = owner.getFromMap(v);
     } else if (v is ObservableList) {
       _upgradeObservableList(v, owner);
     } else if (v is ObservableMap) {
       _upgradeObservableMap(v, owner);
     }
   }
 }