Implement sealing, freezing, and related functions for proxies.

src/factory.h

 // Copyright 2011 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 235 matching lines @@
   // JS arrays are pretenured when allocated by the parser.
   Handle<JSArray> NewJSArray(int capacity,
                              PretenureFlag pretenure = NOT_TENURED);
 
   Handle<JSArray> NewJSArrayWithElements(
       Handle<FixedArray> elements,
       PretenureFlag pretenure = NOT_TENURED);
 
   Handle<JSProxy> NewJSProxy(Handle<Object> handler, Handle<Object> prototype);
 
+  void BecomeJSObject(Handle<JSReceiver> object);

[Mads Ager (chromium), 2011/07/17 10:43:47]

A comment explaining what this operation does would be nice. Also, I guess the
object has to be a proxy or function proxy? If that is the case I think we
should restrict the type from JSReceiver to JSProxy for the argument.

[rossberg, 2011/07/18 10:53:53]

Done.

+
   Handle<JSFunction> NewFunction(Handle<String> name,
                                  Handle<Object> prototype);
 
   Handle<JSFunction> NewFunctionWithoutPrototype(
       Handle<String> name,
       StrictModeFlag strict_mode);
 
   Handle<JSFunction> NewFunction(Handle<Object> super, bool is_global);
 
   Handle<JSFunction> BaseNewFunctionFromSharedFunctionInfo(
@@ skipping 183 matching lines @@
   // Update the map cache in the global context with (keys, map)
   Handle<MapCache> AddToMapCache(Handle<Context> context,
                                  Handle<FixedArray> keys,
                                  Handle<Map> map);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_