1/* 2 * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package com.sun.java_cup.internal.runtime; 27 28/** 29 * Defines the Scanner interface, which CUP uses in the default 30 * implementation of <code>lr_parser.scan()</code>. Integration 31 * of scanners implementing <code>Scanner</code> is facilitated. 32 * 33 * @author David MacMahon <davidm@smartsc.com> 34 */ 35 36/* ************************************************* 37 Interface Scanner 38 39 Declares the next_token() method that should be 40 implemented by scanners. This method is typically 41 called by lr_parser.scan(). 42 ***************************************************/ 43public interface Scanner { 44 public Symbol next_token() throws java.lang.Exception; 45} 46