emptyexpressionexception.java

基于算符优先关心的

/**
 * @Copyright(C) 2008 Software Engineering Laboratory (SELAB), Department of Computer 
 * Science, SUN YAT-SEN UNIVERSITY. All rights reserved.
**/

package exceptions;

/**
 * Empty expression is not permitted in ExprEval. 
 *
 * @author Dr. Wen-jun LI
 * @author Da LUO
 * @version 1.00 (Last update: March 1, 2008)
**/
public class EmptyExpressionException extends SyntacticException
{
	public EmptyExpressionException() {
		this("The expression is empty.");
	}
	public EmptyExpressionException(String msg) {
		super(msg);
	}
}