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
19 package org.codehaus.groovy.antlr;
20
21 import antlr.collections.AST;
22
23 /***
24 * An interface for processing antlr AST objects
25 *
26 * @author <a href="mailto:groovy@ross-rayner.com">Jeremy Rayner</a>
27 * @version $Revision: 1.2 $
28 */
29 public interface AntlrASTProcessor {
30 /***
31 * performs some processing on the supplied AST node.
32 * @param t the AST node to process.
33 * @return possibly returns the AST modified or null, depends on the implementation.
34 */
35 AST process(AST t);
36 }