Make accessors for hidden properties object not touch interceptors

src/objects.h

 // Copyright 2006-2009 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 1389 matching lines @@
   Object* GetPropertyWithFailedAccessCheck(Object* receiver,
                                            LookupResult* result,
                                            String* name,
                                            PropertyAttributes* attributes);
   Object* GetPropertyWithInterceptor(JSObject* receiver,
                                      String* name,
                                      PropertyAttributes* attributes);
   Object* GetPropertyPostInterceptor(JSObject* receiver,
                                      String* name,
                                      PropertyAttributes* attributes);
+  Object* GetLocalPropertyPostInterceptor(JSObject* receiver,
+                                          String* name,
+                                          PropertyAttributes* attributes);
   Object* GetLazyProperty(Object* receiver,
                           LookupResult* result,
                           String* name,
                           PropertyAttributes* attributes);
 
   // Tells whether this object needs to be loaded.
   inline bool IsLoaded();
 
   // Returns true if this is an instance of an api function and has
   // been modified since it was created.  May give false positives.
   bool IsDirty();
 
   bool HasProperty(String* name) {
     return GetPropertyAttribute(name) != ABSENT;
   }
 
   // Can cause a GC if it hits an interceptor.
   bool HasLocalProperty(String* name) {
     return GetLocalPropertyAttribute(name) != ABSENT;
   }
 
+  // If the receiver is a JSGlobalProxy this method will return its prototype,
+  // otherwise the result is the receiver itself.
+  inline Object* BypassGlobalProxy();
+
+  // Accessors for hidden properties object.
+  //
+  // Hidden properties are not local properties of the object itself.
+  // Instead they are stored on an auxiliary JSObject stored as a local
+  // property with a special name Heap::hidden_symbol(). But if the
+  // receiver is a JSGlobalProxy then the auxiliary object is a property
+  // of its prototype.
+  //
+  // Has/Get/SetHiddenPropertiesObject methods don't allow the holder to be
+  // a JSGlobalProxy. Use BypassGlobalProxy method above to get to the real
+  // holder.
+  //
+  // These accessors do not touch interceptors or accessors.
+  inline bool HasHiddenPropertiesObject();
+  inline Object* GetHiddenPropertiesObject();
+  inline Object* SetHiddenPropertiesObject(Object* hidden_obj);
+  
   Object* DeleteProperty(String* name, DeleteMode mode);
   Object* DeleteElement(uint32_t index, DeleteMode mode);
   Object* DeleteLazyProperty(LookupResult* result,
                              String* name,
                              DeleteMode mode);
 
   // Tests for the fast common case for property enumeration.
   bool IsSimpleEnum();
 
   // Do we want to keep the elements in fast case when increasing the
@@ skipping 3586 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_