/* * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Sun designates this * particular file as subject to the "Classpath" exception as provided * by Sun in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. */ package com.sun.java_cup.internal.runtime; /** * Defines the Scanner interface, which CUP uses in the default * implementation of <code>lr_parser.scan()</code>. Integration * of scanners implementing <code>Scanner</code> is facilitated. * * @author David MacMahon <davidm@smartsc.com> */ /* ************************************************* Interface Scanner Declares the next_token() method that should be implemented by scanners. This method is typically called by lr_parser.scan(). ***************************************************/ public interface Scanner { public Symbol next_token() throws java.lang.Exception; }