/*  SCCS - @(#)YYnonterminal.java	1.2 - 02/28/99 - 12:39:31 */

/*
 * Copyright (c) 1996 Dennis Heimbigner. email dennis@cs.colorado.edu
*/
package pp.src.jbf;

import java.lang.*;
import java.util.*;

public
class YYnonterminal extends YYnode {
    
    public Vector vec;

   public boolean istoken() {return false;}

    public YYnonterminal(int kind)
    {
	super(kind);
	vec = new Vector();
	vec.addElement(new Integer(kind));
    }

    public YYnonterminal(int kind, Object o) { this(kind); append(o); }
    public YYnonterminal(int kind, Object o1, Object o2)
	{ this(kind); append(o1); append(o2);}
    public YYnonterminal(int kind, Object o1, Object o2, Object o3)
	{ this(kind); append(o1); append(o2); append(o3);}
    public YYnonterminal(int kind, Object o1, Object o2, Object o3, Object o4)
	{ this(kind); append(o1); append(o2); append(o3); append(o4); }

    public void append(Object o) { if(o != null) vec.addElement(o); }
    public int length() { return vec.size(); }
    public Object ith(int i) { return vec.elementAt(i); }

    public String toString() 
    {
	StringBuffer b;
	int i;
	b = new StringBuffer();
	for(i=0;i<vec.size();i++) {
	    if(i > 0) b.append(" ");
/*
	    b.append(vec.ith(i).toString());
*/
	}
	return b.toString();
    }

};