01: /**
02: *
03: * Copyright 2005 Jeremy Rayner
04: *
05: * Licensed under the Apache License, Version 2.0 (the "License");
06: * you may not use this file except in compliance with the License.
07: * You may obtain a copy of the License at
08: *
09: * 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: **/package org.codehaus.groovy.antlr.treewalker;
18:
19: import org.codehaus.groovy.antlr.GroovySourceAST;
20:
21: /**
22: * A simple preorder traversal over the supplied antlr AST.
23: *
24: * @author <a href="mailto:groovy@ross-rayner.com">Jeremy Rayner</a>
25: * @version $Revision: 3626 $
26: */
27: public class PreOrderTraversal extends TraversalHelper {
28:
29: /**
30: * A simple preorder traversal over the supplied antlr AST.
31: * @param visitor the Visitor to call for each node visited
32: */
33: public PreOrderTraversal(Visitor visitor) {
34: super (visitor);
35: }
36:
37: public void accept(GroovySourceAST currentNode) {
38: push(currentNode);
39: openingVisit(currentNode);
40: acceptChildren(currentNode);
41: closingVisit(currentNode);
42: pop();
43: }
44: }
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