public NameRef(string name, int index, TreeConverter.access_level access_level, semantic_node_type semantic_node_type)
		{
			this.name = name;
			this.index = index;//4
            this.access_level = access_level;//1
            this.semantic_node_type = semantic_node_type;
		}
 public NameRef(string name, int index)
 {
     this.name = name;
     this.index = index;
     this.access_level = TreeConverter.access_level.al_none;
 }