Introduce faster utilty methods for storing and retrieving native pointers

include/v8.h

 // Copyright 2007-2008 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 1095 matching lines @@
    */
   Local<String> ObjectProtoToString();
 
   /** Gets the number of internal fields for this Object. */
   int InternalFieldCount();
   /** Gets the value in an internal field. */
   Local<Value> GetInternalField(int index);
   /** Sets the value in an internal field. */
   void SetInternalField(int index, Handle<Value> value);
 
+  // The two functions below do not perform index bounds checks and
+  // they do not check that the VM is still running. Use with caution.
+  /** Gets a native pointer from an internal field. */
+  void* GetPointerFromInternalField(int index);
+  /** Sets a native pointer in an internal field. */
+  void SetPointerInInternalField(int index, void* value);
+
   // Testers for local properties.
   bool HasRealNamedProperty(Handle<String> key);
   bool HasRealIndexedProperty(uint32_t index);
   bool HasRealNamedCallbackProperty(Handle<String> key);
 
   /**
    * If result.IsEmpty() no real property was located in the prototype chain.
    * This means interceptors in the prototype chain are not called.
    */
   Handle<Value> GetRealNamedPropertyInPrototypeChain(Handle<String> key);
@@ skipping 1485 matching lines @@
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef V8EXPORT_INLINE
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_