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Node.java

00001 package edu.ksu.cis.bandera.bui.session.node;
00002 
00003 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
00004  * Bandera, a Java(TM) analysis and transformation toolkit           *
00005  * Copyright (C) 1998-2001 SAnToS Laboratories (santos@cis.ksu.edu)  *
00006 
00007  * All rights reserved.                                              *
00008  *                                                                   *
00009  * This work was done as a project in the SAnToS Laboratory,         *
00010  * Department of Computing and Information Sciences, Kansas State    *
00011  * University, USA (http://www.cis.ksu.edu/santos).                  *
00012  * It is understood that any modification not identified as such is  *
00013  * not covered by the preceding statement.                           *
00014  *                                                                   *
00015  * This work is free software; you can redistribute it and/or        *
00016  * modify it under the terms of the GNU Library General Public       *
00017  * License as published by the Free Software Foundation; either      *
00018  * version 2 of the License, or (at your option) any later version.  *
00019  *                                                                   *
00020  * This work is distributed in the hope that it will be useful,      *
00021  * but WITHOUT ANY WARRANTY; without even the implied warranty of    *
00022  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU *
00023  * Library General Public License for more details.                  *
00024  *                                                                   *
00025  * You should have received a copy of the GNU Library General Public *
00026  * License along with this toolkit; if not, write to the             *
00027  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,      *
00028  * Boston, MA  02111-1307, USA.                                      *
00029  *                                                                   *
00030  * Java is a trademark of Sun Microsystems, Inc.                     *
00031  *                                                                   *
00032  * To submit a bug report, send a comment, or get the latest news on *
00033  * this project and other SAnToS projects, please visit the web-site *
00034  *                http://www.cis.ksu.edu/santos                      *
00035  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
00036 /* This file was generated by SableCC (http://www.sable.mcgill.ca/sablecc/). */
00037 
00038 import java.util.*;
00039 import edu.ksu.cis.bandera.bui.session.analysis.*;
00040 
00041 public abstract class Node implements Switchable, Cloneable
00042 {
00043     private Node parent;
00044 
00045     public abstract Object clone();
00046     protected List cloneList(List list)
00047     {
00048         List clone = new LinkedList();
00049 
00050         for(Iterator i = list.iterator(); i.hasNext();)
00051         {
00052             clone.add(((Node) i.next()).clone());
00053         }
00054 
00055         return clone;
00056     }
00057     protected Node cloneNode(Node node)
00058     {
00059         if(node != null)
00060         {
00061             return (Node) node.clone();
00062         }
00063 
00064         return null;
00065     }
00066     public Node parent()
00067     {
00068         return parent;
00069     }
00070     void parent(Node parent)
00071     {
00072         this.parent = parent;
00073     }
00074     abstract void removeChild(Node child);
00075     public void replaceBy(Node node)
00076     {
00077         if(parent != null)
00078         {
00079             parent.replaceChild(this, node);
00080         }
00081     }
00082     abstract void replaceChild(Node oldChild, Node newChild);
00083     protected String toString(Node node)
00084     {
00085         if(node != null)
00086         {
00087             return node.toString();
00088         }
00089 
00090         return "";
00091     }
00092     protected String toString(List list)
00093     {
00094         StringBuffer s = new StringBuffer();
00095 
00096         for(Iterator i = list.iterator(); i.hasNext();)
00097         {
00098             s.append(i.next());
00099         }
00100 
00101         return s.toString();
00102     }
00103 }

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