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Groovy example source code file (FlatNodeListTraversal.java)
The Groovy FlatNodeListTraversal.java source code/* * Copyright 2003-2007 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.codehaus.groovy.antlr.treewalker; import java.util.Iterator; import java.util.List; import org.codehaus.groovy.antlr.AntlrASTProcessor; import org.codehaus.groovy.antlr.GroovySourceAST; import antlr.collections.AST; /** * A simple iterator over an ordered (flat) List of the nodes of the AST. * * @author <a href="mailto:groovy@ross-rayner.com">Jeremy Rayner * @version $Revision: 3626 $ */ public class FlatNodeListTraversal extends TraversalHelper { public FlatNodeListTraversal(Visitor visitor) { super(visitor); } public AST process(AST t) { GroovySourceAST node = (GroovySourceAST) t; // fetch all the nodes in this AST into a List NodeCollector collector = new NodeCollector(); AntlrASTProcessor internalTraversal = new PreOrderTraversal(collector); internalTraversal.process(t); List listOfAllNodesInThisAST = collector.getNodes(); // process each node in turn setUp(node); Iterator itr = listOfAllNodesInThisAST.iterator(); while (itr.hasNext()) { GroovySourceAST currentNode = (GroovySourceAST) itr.next(); accept(currentNode); } tearDown(node); return null; } protected void accept(GroovySourceAST currentNode) { openingVisit(currentNode); closingVisit(currentNode); } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy FlatNodeListTraversal.java source code file: |
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