LL1Table.java

/*

File:     LL1Table.java
Author:  zerksis d. umrigar (zdu@acm.org)
Copyright (C) 1997 Zerksis D. Umrigar
Last Update Time-stamp: "97/06/27 20:34:15 umrigar"

This code is distributed under the terms of the GNU General Public License.
See the file COPYING with this distribution, or

        http://www.fsf.org/copyleft/gpl.html

THERE IS ABSOLUTELY NO WARRANTY FOR THIS PROGRAM.

*/

package zdu.parsdemo;

import zdu.parsdemo.SparseTable2;

import java.util.Enumeration;
import java.util.Hashtable;

abstract class LL1Table extends SparseTable2
{

    LL1Table(Grammar g)
    {
        for (Enumeration e = g.nonTermsEnum(); e.hasMoreElements();)
        {
            addRow(e.nextElement());
        }

        for (Enumeration e = g.terminalsEnum(); e.hasMoreElements();)
        {
            Terminal terminal = (Terminal)e.nextElement();
            if (terminal.getTok() >= 0)
                addCol(terminal);
        }
    }
}