AntlrASTProcessor.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
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 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
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 *  KIND, either express or implied.  See the License for the
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package org.codehaus.groovy.antlr;

import antlr.collections.AST;

/**
 * An interface for processing antlr AST objects
 *
 * @author <a href="mailto:groovy@ross-rayner.com">Jeremy Rayner</a>
 */
public interface AntlrASTProcessor {
    /**
     * performs some processing on the supplied AST node.
     * @param t the AST node to process.
     * @return possibly returns the AST modified or null, depends on the implementation.
     */
    AST process(AST t);
}