/******************************************************************************
* Copyright (c) 2011 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.tree.pattern;
import com.ibm.wala.cast.tree.CAstNode;
/**
* A node pattern that matches an AST node of a certain kind; additionally, the node's children
* have to match the pattern's child patterns.
*
* @author mschaefer
*
*/
public class NodeOfKind implements NodePattern {
protected int kind;
protected NodePattern[] children;
public NodeOfKind(int kind, NodePattern... children) {
this.kind = kind;
this.children = new NodePattern[children.length];
for(int i=0;i<children.length;++i)
this.children[i] = children[i];
}
/* (non-Javadoc)
* @see pattern.NodePattern#matches(com.ibm.wala.cast.tree.CAstNode)
*/
@Override
public boolean matches(CAstNode node) {
if(node == null || node.getKind() != kind || node.getChildCount() != children.length)
return false;
for(int i=0;i<children.length;++i)
if(!children[i].matches(node.getChild(i)))
return false;
return true;
}
}