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Java > Open Source Codes > org > jruby > ast > visitor > rewriter > utils > MultipleAssignmentReWriteVisitor


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2  * Version: CPL 1.0/GPL 2.0/LGPL 2.1
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4  * The contents of this file are subject to the Common Public
5  * License Version 1.0 (the "License"); you may not use this file
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14  * Copyright (C) 2006 Mirko Stocker <me@misto.ch>
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28
29 package org.jruby.ast.visitor.rewriter.utils;
30
31 import java.util.Iterator JavaDoc;
32
33 import org.jruby.ast.ArgumentNode;
34 import org.jruby.ast.Node;
35 import org.jruby.ast.visitor.rewriter.ReWriteVisitor;
36
37 public class MultipleAssignmentReWriteVisitor extends ReWriteVisitor {
38     
39     public MultipleAssignmentReWriteVisitor(ReWriterContext config) {
40         super(config);
41     }
42     
43     protected void printAssignmentOperator() {
44     }
45     
46     protected boolean inMultipleAssignment() {
47         return true;
48     }
49     
50     // This might lead to a problem with comments
51 public void visitAndPrintWithSeparator(Iterator JavaDoc it) {
52         while (it.hasNext()) {
53             Node n = (Node) it.next();
54             if(n instanceof ArgumentNode) {
55                 config.getOutput().print(((ArgumentNode) n).getName());
56             } else {
57                 visitNode(n);
58             }
59             if (it.hasNext())
60                 print(", ");
61         }
62     }
63 }
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