/*---------------------------------------------------------------------------
File:         			Variable.java
Package:                        JFLAP Version 3.0
Author:			        Eric Gramond 
                                
Description of Contents:	Contains class Variable.
				
--------------------------------------------------------------------------*/

/* 
 * Susan H. Rodger, Magda Procopiuc, Octavian Procopiuc, Eric Gramond
 * Computer Science Department
 * Duke University
 * June 1998
 * Supported by National Science Foundation DUE-9596002 and DUE-9555084.
 *
 * Copyright (c) 1998
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the author.  The name of the author may not be used to
 * endorse or promote products derived from this software without
 * specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

package flap;

import java.util.*;
import java.awt.*;
import java.io.*;
import java.awt.image.*;
import java.awt.event.*;


/**
 * a variable to put inside a grammar rule
 */

public class Variable extends GrammarRightHandToken {
    
    /**
     * creates a new variable with the given contents
     */
    public Variable(String contents) {
	super(contents);
    }
    
    /**
     * variables show up red when colors are used
     */
    public Color getColor() {
	return Color.red;
    }
    
    /** 
     * used to make the difference easily between variable and terminal 
     */
    public String getType() {
	return "Variable";
    }

}
