001    /*
002    // $Id: EmptyNode.java 3 2009-05-11 08:11:57Z jhyde $
003    // Clapham generates railroad diagrams to represent computer language grammars.
004    // Copyright (C) 2008-2009 Julian Hyde
005    //
006    // This program is free software; you can redistribute it and/or modify it
007    // under the terms of the GNU General Public License as published by the Free
008    // Software Foundation; either version 2 of the License, or (at your option)
009    // any later version approved by The Eigenbase Project.
010    //
011    // This program is distributed in the hope that it will be useful,
012    // but WITHOUT ANY WARRANTY; without even the implied warranty of
013    // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014    // GNU General Public License for more details.
015    //
016    // You should have received a copy of the GNU General Public License
017    // along with this program; if not, write to the Free Software
018    // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
019    */
020    package net.hydromatic.clapham.parser;
021    
022    /**
023     * TODO:
024    *
025    * @author jhyde
026    * @version $Id: EmptyNode.java 3 2009-05-11 08:11:57Z jhyde $
027    * @since Jul 30, 2008
028    */
029    public class EmptyNode implements EbnfNode {
030    
031        public EmptyNode() {
032        }
033    
034        public void toString(StringBuilder buf) {
035            buf.append("EmptyNode");
036        }
037    }
038    
039    // End EmptyNode.java