Added handling of hidden prototype objects when collecting local properties f...

src/objects.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 5677 matching lines @@
   } else {
     HeapSortPairs(this, smis);
     return;
   }
 }
 
 
 // Fill in the names of local properties into the supplied storage. The main
 // purpose of this function is to provide reflection information for the object
 // mirrors.
-void JSObject::GetLocalPropertyNames(FixedArray* storage) {
-  ASSERT(storage->length() ==
-         NumberOfLocalProperties(static_cast<PropertyAttributes>(NONE)));
-  int index = 0;
+void JSObject::GetLocalPropertyNames(FixedArray* storage, int index) {
+  ASSERT(storage->length() >=
+         NumberOfLocalProperties(static_cast<PropertyAttributes>(NONE)) -
+             index);
   if (HasFastProperties()) {
     for (DescriptorReader r(map()->instance_descriptors());
          !r.eos();
          r.advance()) {
       if (!r.IsTransition()) {
         storage->set(index++, r.GetKey());
       }
     }
-    ASSERT(storage->length() == index);
+    ASSERT(storage->length() >= index);
   } else {
     property_dictionary()->CopyKeysTo(storage);
   }
 }
 
 
 int JSObject::NumberOfLocalElements(PropertyAttributes filter) {
   return GetLocalElementKeys(NULL, filter);
 }
 
@@ skipping 1294 matching lines @@
   // No break point.
   if (break_point_objects()->IsUndefined()) return 0;
   // Single beak point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }
 
 
 } }  // namespace v8::internal