Added parser method used to obtain a 'null' object reference.

git-svn-id: http://voip.null.ro/svn/yate@5830 acf43c95-373e-0410-b603-e72c3f656dc1

libs/yscript/javascript.cpp

@@ -3484,6 +3484,13 @@ ExpOperation* JsParser::nullClone(const char* name)
     return TelEngine::null(name) ? s_null.ExpOperation::clone() : s_null.clone(name);
 }
 
+// Return the "null" object
+JsObject* JsParser::nullObject()
+{
+    JsObject* n = YOBJECT(JsObject,s_null.object());
+    return (n && n->ref()) ? n : 0;
+}
+
 // Check if an object is identic to null
 bool JsParser::isNull(const ExpOperation& oper)
 {

libs/yscript/yatescript.h

@@ -2536,6 +2536,12 @@ public:
      */
     static ExpOperation* nullClone(const char* name = 0);
 
+    /**
+     * Obtain the "null" object
+     * @return Referenced "null" object (0 if ref() fails)
+     */
+    static JsObject* nullObject();
+
     /**
      * Check if an operation holds a null value
      * @return True if the operation holds a null object