/*
 *        JacORB - a free Java ORB
 *
 *   Copyright (C) 1997-98  Gerald Brose.
 *
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Library General Public
 *   License as published by the Free Software Foundation; either
 *   version 2 of the License, or (at your option) any later version.
 *
 *   This library is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *   Library General Public License for more details.
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this library; if not, write to the Free
 *   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/**
 * The classes for the IDL parse tree
 * @author Gerald Brose
 * @version 0.5, 28 January 1997 
 */

package jacorb.idl;

import java.util.Vector;
import java.util.Enumeration;
import java.io.PrintWriter;
import java.io.FileOutputStream;
import java.io.File;
import java.io.IOException;


// Parse Errors carry position information

class AddExpr extends IdlSymbol{
	public AddExpr add_expr = null;
	public String operator;
	public MultExpr mult_expr;

	public AddExpr(int num){
		super(num);
	}
	public void print(PrintWriter ps){
		if( add_expr != null ){
			add_expr.print(ps);
			ps.print( operator );
		} 
		mult_expr.print(ps);
	}
    public void setPackage( String s, boolean propagate_into_included )
    {
        s = parser.pack_replace(s);
		if( pack_name.length() > 0 )
			pack_name = new String( s + "." + pack_name );
		else
			pack_name = s;
		if( add_expr != null ){
			add_expr.setPackage(s, propagate_into_included);
		}
		mult_expr.setPackage( s, propagate_into_included);
	}
	public void parse()  {
		if( add_expr != null ){
			add_expr.parse();
		}
		mult_expr.parse();
	}
	int pos_int_const(){
		int y = mult_expr.pos_int_const();
		if( add_expr != null ){
			int z = add_expr.pos_int_const();
			if( operator.equals("-"))
				z *= -1;
			return z + y;
		} else
			return y;
	}

	public String  value() {
		String x = "";
		if( add_expr != null ){
			x = add_expr.value() + operator;
		}
		return x + mult_expr.value();
	}
}







