/*
 * CookCC Copyright (c) 2008-2009, Heng Yuan
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY <copyright holder> ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.yuanheng.cookcc;

import java.io.Reader;

/**
 * This class is merely a place holder.
 *
 * @author Heng Yuan
 * @version $Id: CookCCChar.java 674 2009-07-22 03:18:36Z superduperhengyuan $
 */
public abstract class CookCCChar extends CookCC
{
	/**
	 * Set the current input.
	 *
	 * @param	reader
	 *			the new input.
	 */
	public void setInput (Reader reader)
	{
	}

	/**
	 * Obtain the current input.
	 *
	 * @return	the current input
	 */
	public Reader getInput ()
	{
		return null;
	}

	/**
	 * Switch the current input to the new input.  The old input and already
	 * buffered characters are pushed onto the stack.
	 *
	 * @param	reader
	 *			the new input
	 */
	public void yyPushInput (Reader reader)
	{
	}
}
