Light-weight External objects

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 1133 matching lines @@
  * A JavaScript value that wraps a c++ void*.  This type of value is
  * mainly used to associate c++ data structures with JavaScript
  * objects.
  */
 class V8EXPORT External : public Value {
  public:
   static Local<External> New(void* value);
   static External* Cast(Value* obj);
   void* Value() const;
  private:
+  enum {
+    kAlignedPointerMask = 3,
+    kAlignedPointerShift = 2
+  };
   External();
 };
 
 
 // --- T e m p l a t e s ---
 
 
 /**
  * The superclass of object and function templates.
  */
@@ skipping 1336 matching lines @@
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef V8EXPORT_INLINE
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_