Implement sealing, freezing, and related functions for proxies.

src/factory.cc

 // 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 874 matching lines @@
 
 Handle<JSProxy> Factory::NewJSProxy(Handle<Object> handler,
                                     Handle<Object> prototype) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateJSProxy(*handler, *prototype),
       JSProxy);
 }
 
 
+void Factory::BecomeJSObject(Handle<JSProxy> object) {
+  CALL_HEAP_FUNCTION_VOID(
+      isolate(),
+      isolate()->heap()->ReinitializeJSProxyAsJSObject(*object));
+}
+
+
 Handle<SharedFunctionInfo> Factory::NewSharedFunctionInfo(
     Handle<String> name,
     int number_of_literals,
     Handle<Code> code,
     Handle<SerializedScopeInfo> scope_info) {
   Handle<SharedFunctionInfo> shared = NewSharedFunctionInfo(name);
   shared->set_code(*code);
   shared->set_scope_info(*scope_info);
   int literals_array_size = number_of_literals;
   // If the function contains object, regexp or array literals,
@@ skipping 342 matching lines @@
     Execution::ConfigureInstance(instance,
                                  instance_template,
                                  pending_exception);
   } else {
     *pending_exception = false;
   }
 }
 
 
 } }  // namespace v8::internal