WALA/com.ibm.wala.core/src/com/ibm/wala/analysis/typeInference/TypeVariable.java

50 lines
1.4 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.analysis.typeInference;
import com.ibm.wala.fixpoint.AbstractVariable;
/**
* A type variable in the dataflow system for type inference.
*
* @see TypeInference
*/
public class TypeVariable extends AbstractVariable<TypeVariable> {
TypeAbstraction type;
public TypeVariable(TypeAbstraction type) {
if (type == null) {
throw new IllegalArgumentException("null type");
}
this.type = type;
}
public void copyState(TypeVariable other) throws IllegalArgumentException {
if (other == null) {
throw new IllegalArgumentException("v == null");
}
this.type = other.type;
}
public TypeAbstraction getType() {
return type;
}
public void setType(TypeAbstraction type) {
this.type = type;
}
@Override
public String toString() {
return type.toString();
}
}