/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright (C) 2001       Gerwin Klein <lsf@jflex.de>                    *
 * Copyright (C) 2001       Bernhard Rumpe <rumpe@in.tum.de>               *
 * All rights reserved.                                                    *
 *                                                                         *
 * License: BSD                                                            *
 *                                                                         *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/**
 * General interface for nodes in the abstract syntax tree. Contains   
 * only the method toString which is already inherited from Object,   
 * so the interface doesn't add any functionality. It only provides   
 * a common super type for all elements in the AST.                   
 */
interface AST {
  public String toString();   // already inherited from Object
}