Implementing __defineSetter__ and __defineGetter__ with an array index as arg...

src/objects-inl.h

 // 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 1309 matching lines @@
 
 uint32_t Dictionary::max_number_key() {
   ASSERT(!requires_slow_elements());
   Object* max_index_object = get(kMaxNumberKeyIndex);
   if (!max_index_object->IsSmi()) return 0;
   uint32_t value = static_cast<uint32_t>(Smi::cast(max_index_object)->value());
   return value >> kRequiresSlowElementsTagSize;
 }
 
 
+void Dictionary::set_requires_slow_elements() {
+  set(kMaxNumberKeyIndex,
+      Smi::FromInt(kRequiresSlowElementsMask),
+      SKIP_WRITE_BARRIER);
+}
+
+
 // ------------------------------------
 // Cast operations
 
 
 CAST_ACCESSOR(FixedArray)
 CAST_ACCESSOR(DescriptorArray)
 CAST_ACCESSOR(Dictionary)
 CAST_ACCESSOR(SymbolTable)
 CAST_ACCESSOR(CompilationCacheTable)
 CAST_ACCESSOR(MapCache)
@@ skipping 1220 matching lines @@
 #undef WRITE_INT_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_