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;
18:
19: import antlr.collections.AST;
20:
21: /**
22: * An interface for processing antlr AST objects
23: *
24: * @author <a href="mailto:groovy@ross-rayner.com">Jeremy Rayner</a>
25: * @version $Revision: 2387 $
26: */
27: public interface AntlrASTProcessor {
28: /**
29: * performs some processing on the supplied AST node.
30: * @param t the AST node to process.
31: * @return possibly returns the AST modified or null, depends on the implementation.
32: */
33: AST process(AST t);
34: }
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