[api] Add documentation for SetHandler().

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 4766 matching lines @@
    * \param data A piece of data that will be passed to the callbacks
    *   whenever they are invoked.
    */
   // TODO(dcarney): deprecate
   void SetNamedPropertyHandler(NamedPropertyGetterCallback getter,
                                NamedPropertySetterCallback setter = 0,
                                NamedPropertyQueryCallback query = 0,
                                NamedPropertyDeleterCallback deleter = 0,
                                NamedPropertyEnumeratorCallback enumerator = 0,
                                Local<Value> data = Local<Value>());
+
+  /**
+   * Sets a named property handler on the object template.
+   *
+   * Whenever a property whose name is a string or a symbol is accessed on
+   * objects created from this object template, the provided callback is
+   * invoked instead of accessing the property directly on the JavaScript
+   * object.
+   *
+   * @param configuration The NamedPropertyHandlerConfiguration that defines the
+   * callbacks to invoke when accessing a property.
+   */
   void SetHandler(const NamedPropertyHandlerConfiguration& configuration);
 
   /**
    * Sets an indexed property handler on the object template.
    *
    * Whenever an indexed property is accessed on objects created from
    * this object template, the provided callback is invoked instead of
    * accessing the property directly on the JavaScript object.
    *
    * \param getter The callback to invoke when getting a property.
    * \param setter The callback to invoke when setting a property.
    * \param query The callback to invoke to check if an object has a property.
    * \param deleter The callback to invoke when deleting a property.
    * \param enumerator The callback to invoke to enumerate all the indexed
    *   properties of an object.
    * \param data A piece of data that will be passed to the callbacks
    *   whenever they are invoked.
    */
   // TODO(dcarney): deprecate
   void SetIndexedPropertyHandler(
       IndexedPropertyGetterCallback getter,
       IndexedPropertySetterCallback setter = 0,
       IndexedPropertyQueryCallback query = 0,
       IndexedPropertyDeleterCallback deleter = 0,
       IndexedPropertyEnumeratorCallback enumerator = 0,
       Local<Value> data = Local<Value>()) {
     SetHandler(IndexedPropertyHandlerConfiguration(getter, setter, query,
                                                    deleter, enumerator, data));
   }
+
+  /**
+   * Sets an indexed property handler on the object template.
+   *
+   * Whenever an indexed property is accessed on objects created from
+   * this object template, the provided callback is invoked instead of
+   * accessing the property directly on the JavaScript object.
+   *
+   * @param configuration The IndexedPropertyHandlerConfiguration that defines
+   * the callbacks to invoke when accessing a property.
+   */
   void SetHandler(const IndexedPropertyHandlerConfiguration& configuration);
 
   /**
    * Sets the callback to be used when calling instances created from
    * this template as a function.  If no callback is set, instances
    * behave like normal JavaScript objects that cannot be called as a
    * function.
    */
   void SetCallAsFunctionHandler(FunctionCallback callback,
                                 Local<Value> data = Local<Value>());
@@ skipping 4163 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // INCLUDE_V8_H_