WALA/com.ibm.wala.cast.js/source/com/ibm/wala/cast/js/callgraph/fieldbased/flowgraph/vertices/VarVertex.java

49 lines
1.3 KiB
Java

/******************************************************************************
* Copyright (c) 2002 - 2012 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.cast.js.callgraph.fieldbased.flowgraph.vertices;
import com.ibm.wala.ipa.callgraph.propagation.PointerKey;
/**
* A variable vertex represents an SSA variable inside a given function.
*
* @author mschaefer
*
*/
public final class VarVertex extends Vertex implements PointerKey {
private final FuncVertex func;
private final int valueNumber;
VarVertex(FuncVertex func, int valueNumber) {
this.func = func;
this.valueNumber = valueNumber;
}
public FuncVertex getFunction() {
return func;
}
public int getValueNumber() {
return valueNumber;
}
@Override
public <T> T accept(VertexVisitor<T> visitor) {
return visitor.visitVarVertex(this);
}
@Override
public String toString() {
return "Var(" + func + ", " + valueNumber + ")";
}
}