/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.codehaus.groovy.antlr.treewalker;
import java.util.ArrayList;
import java.util.List;
import org.codehaus.groovy.antlr.GroovySourceAST;
/**
* A simple antlr AST visitor that collects all nodes into a List.
*
* @author <a href="mailto:groovy@ross-rayner.com">Jeremy Rayner</a>
*/
public class NodeCollector extends VisitorAdapter {
private final List nodes;
public NodeCollector() {
nodes = new ArrayList();
}
public List getNodes() {
return nodes;
}
public void visitDefault(GroovySourceAST t,int visit) {
if (visit == OPENING_VISIT) {
nodes.add(t);
}
}
}