/**
 * Serene (simple) - A PoC lisp to collect data on Serenes concepts
 * Copyright (C) 2019-2020 Sameer Rahmani <lxsameer@gnu.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */
package serene.simple.builtin;

import serene.simple.BaseScope;
import serene.simple.SNumber;
import serene.simple.SereneException;


public class PlusFn extends AFn {
  public String fnName() {
    return "+";
  };

  public Object eval(BaseScope scope) throws SereneException{
    SNumber.IOps result = (SNumber.IOps) new SNumber.LongNumber();

    for(Object x: this.arguments()) {
      result = (SNumber.IOps) result.add(x);
    }

    return result.value();
  }
}