Allow to define accessors on objects.

include/v8.h

 // Copyright 2007-2009 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 108 matching lines @@
 class Function;
 class Date;
 class ImplementationUtilities;
 class Signature;
 template <class T> class Handle;
 template <class T> class Local;
 template <class T> class Persistent;
 class FunctionTemplate;
 class ObjectTemplate;
 class Data;
+class AccessorInfo;
 class StackTrace;
 class StackFrame;
 
 namespace internal {
 
 class Arguments;
 class Object;
 class Top;
 
 }
@@ skipping 1160 matching lines @@
   kExternalByteArray = 1,
   kExternalUnsignedByteArray,
   kExternalShortArray,
   kExternalUnsignedShortArray,
   kExternalIntArray,
   kExternalUnsignedIntArray,
   kExternalFloatArray
 };
 
 /**
+ * Accessor[Getter|Setter] are used as callback functions when
+ * setting|getting a particular property. See Object and ObjectTemplate's
+ * method SetAccessor.
+ */
+typedef Handle<Value> (*AccessorGetter)(Local<String> property,
+                                        const AccessorInfo& info);
+
+
+typedef void (*AccessorSetter)(Local<String> property,
+                               Local<Value> value,
+                               const AccessorInfo& info);
+
+
+/**
+ * Access control specifications.
+ *
+ * Some accessors should be accessible across contexts.  These
+ * accessors have an explicit access control parameter which specifies
+ * the kind of cross-context access that should be allowed.
+ *
+ * Additionally, for security, accessors can prohibit overwriting by
+ * accessors defined in JavaScript.  For objects that have such
+ * accessors either locally or in their prototype chain it is not
+ * possible to overwrite the accessor by using __defineGetter__ or
+ * __defineSetter__ from JavaScript code.
+ */
+enum AccessControl {
+  DEFAULT               = 0,
+  ALL_CAN_READ          = 1,
+  ALL_CAN_WRITE         = 1 << 1,
+  PROHIBITS_OVERWRITING = 1 << 2
+};
+
+
+/**
  * A JavaScript object (ECMA-262, 4.3.3)
  */
 class V8EXPORT Object : public Value {
  public:
   bool Set(Handle<Value> key,
            Handle<Value> value,
            PropertyAttribute attribs = None);
 
   bool Set(uint32_t index,
            Handle<Value> value);
@@ skipping 21 matching lines @@
   bool Delete(Handle<String> key);
 
   // Delete a property on this object bypassing interceptors and
   // ignoring dont-delete attributes.
   bool ForceDelete(Handle<Value> key);
 
   bool Has(uint32_t index);
 
   bool Delete(uint32_t index);
 
+  bool SetAccessor(Handle<String> name,
+                   AccessorGetter getter,
+                   AccessorSetter setter = 0,
+                   Handle<Value> data = Handle<Value>(),
+                   AccessControl settings = DEFAULT,
+                   PropertyAttribute attribute = None);
+
   /**
    * Returns an array containing the names of the enumerable properties
    * of this object, including properties from prototype objects.  The
    * array returned by this method contains the same values as would
    * be enumerated by a for-in statement over this object.
    */
   Local<Array> GetPropertyNames();
 
   /**
    * Get the prototype object.  This does not skip objects marked to
@@ skipping 275 matching lines @@
  private:
   internal::Object** args_;
 };
 
 
 typedef Handle<Value> (*InvocationCallback)(const Arguments& args);
 
 typedef int (*LookupCallback)(Local<Object> self, Local<String> name);
 
 /**
- * Accessor[Getter|Setter] are used as callback functions when
- * setting|getting a particular property. See objectTemplate::SetAccessor.
- */
-typedef Handle<Value> (*AccessorGetter)(Local<String> property,
-                                        const AccessorInfo& info);
-
-
-typedef void (*AccessorSetter)(Local<String> property,
-                               Local<Value> value,
-                               const AccessorInfo& info);
-
-
-/**
  * NamedProperty[Getter|Setter] are used as interceptors on object.
  * See ObjectTemplate::SetNamedPropertyHandler.
  */
 typedef Handle<Value> (*NamedPropertyGetter)(Local<String> property,
                                              const AccessorInfo& info);
 
 
 /**
  * Returns the value if the setter intercepts the request.
  * Otherwise, returns an empty handle.
@@ skipping 59 matching lines @@
                                                   const AccessorInfo& info);
 
 /**
  * Returns an array containing the indices of the properties the
  * indexed property getter intercepts.
  */
 typedef Handle<Array> (*IndexedPropertyEnumerator)(const AccessorInfo& info);
 
 
 /**
- * Access control specifications.
- *
- * Some accessors should be accessible across contexts.  These
- * accessors have an explicit access control parameter which specifies
- * the kind of cross-context access that should be allowed.
- *
- * Additionally, for security, accessors can prohibit overwriting by
- * accessors defined in JavaScript.  For objects that have such
- * accessors either locally or in their prototype chain it is not
- * possible to overwrite the accessor by using __defineGetter__ or
- * __defineSetter__ from JavaScript code.
- */
-enum AccessControl {
-  DEFAULT               = 0,
-  ALL_CAN_READ          = 1,
-  ALL_CAN_WRITE         = 1 << 1,
-  PROHIBITS_OVERWRITING = 1 << 2
-};
-
-
-/**
  * Access type specification.
  */
 enum AccessType {
   ACCESS_GET,
   ACCESS_SET,
   ACCESS_HAS,
   ACCESS_DELETE,
   ACCESS_KEYS
 };
 
@@ skipping 1740 matching lines @@
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef V8EXPORT_INLINE
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_