1 /***
2 *
3 * Copyright 2005 Jeremy Rayner
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 **/
18 package org.codehaus.groovy.antlr.treewalker;
19
20 import org.codehaus.groovy.antlr.GroovySourceAST;
21
22 /***
23 * A simple preorder traversal over the supplied antlr AST.
24 *
25 * @author <a href="mailto:groovy@ross-rayner.com">Jeremy Rayner</a>
26 * @version $Revision: 1.3 $
27 */
28 public class PreOrderTraversal extends TraversalHelper {
29
30 /***
31 * A simple preorder traversal over the supplied antlr AST.
32 * @param visitor the Visitor to call for each node visited
33 */
34 public PreOrderTraversal(Visitor visitor) {
35 super(visitor);
36 }
37
38 public void accept(GroovySourceAST currentNode) {
39 openingVisit(currentNode);
40 acceptChildren(currentNode);
41 closingVisit(currentNode);
42 }
43 }