src/com/sun/java_cup/internal/runtime/Scanner.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
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 * 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).
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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;
}