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 }