WALA/com.ibm.wala.util/src/com/ibm/wala/fixedpoint/impl/BasicNullaryStatement.java

55 lines
1.5 KiB
Java

/*******************************************************************************
* Copyright (c) 2002 - 2006 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.fixedpoint.impl;
import com.ibm.wala.fixpoint.IVariable;
/**
* An implementation of NullaryStep that carries its operator explicitly
*/
@SuppressWarnings("rawtypes")
public class BasicNullaryStatement<T extends IVariable> extends NullaryStatement<T> {
/**
* The operator in the equation
*/
private final NullaryOperator<T> operator;
public BasicNullaryStatement(T lhs, NullaryOperator<T> operator) {
super(lhs);
this.operator = operator;
}
/**
* @return Returns the operator.
*/
@Override
public NullaryOperator<T> getOperator() {
return operator;
}
/**
* Return a string representation of this object
* @return a string representation of this object
*/
@Override
public String toString() {
String result;
if (lhs == null) {
result = "null lhs";
} else {
result = lhs.toString();
}
result = getOperator() + " " + result;
return result;
}
}