/**
 * 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;

public class SymbolNode extends Node {
    public String name;

    public SymbolNode(String name) {
        this.name = name;
    }

    @Override
    public boolean equals(Node other) {
        if (other instanceof SymbolNode) {
            SymbolNode n = (SymbolNode) other;

            if (this.name.equals(n.name)) {
                return true;
            }

            return false;
        }
        return super.equals(other);
    }

    @Override
    public Object eval(BaseScope scope) {
        return scope.lookupSymbol(this.name);
    }

    @Override
    public String toString() {
        return this.name;
    }
}