/******************************************************************************
 * 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 return vertex represents the 'arguments' array of a given function.
 * 
 * @author Julian Dolby (dolby@us.ibm.com)
 *
 */
public class ArgVertex extends Vertex implements PointerKey {
	private final FuncVertex func;

	ArgVertex(FuncVertex func) {
		this.func = func;
	}

	public FuncVertex getFunc() {
    return func;
  }

  @Override
	public <T> T accept(VertexVisitor<T> visitor) {
		return visitor.visitArgVertex(this);
	}
	
	@Override
	public String toString() {
	  return "Args(" + func + ")";
	}
}
