/*
 * Bytecode Analysis Framework
 * Copyright (C) 2003, University of Maryland
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.umd.cs.daveho.ba.bcp;

/**
 * A Binding binds a name to a Variable.
 *
 * @see Variable
 * @author David Hovemeyer
 */
public class Binding {
	private final String varName;
	private final Variable variable;

	/**
	 * Constructor.
	 * @param varName the name of the variable
	 * @param variable the variable
	 */
	public Binding(String varName, Variable variable) {
		this.varName = varName;
		this.variable = variable;
	}

	/** Get the variable name. */
	public String getVarName() { return varName; }

	/** Get the variable of the variable. */
	public Variable getVariable() { return variable; }
}

// vim:ts=4

@@ -1197,16 +1197,92 @@
 able) %7B%0A
+%09%09if (variable == null) throw new IllegalArgumentException(%22No variable!%22);%0A
 %09%09this.v

In constructor, ensure that variable is non-null.