/**

 * Back 2 Browser Bytecode Translator

 * Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.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, version 2 of the License.

 *

 * 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. Look for COPYING file in the top folder.

 * If not, see http://opensource.org/licenses/GPL-2.0.

 */

package org.apidesign.vm4brwsr;

import static net.java.html.lib.Exports.NaN;

import static net.java.html.lib.Exports.eval;

import static net.java.html.lib.Exports.isNaN;

import static net.java.html.lib.Exports.parseInt;

import net.java.html.lib.Objs;

public class LibUse {

    public static int fourtyTwo() {

        Number n = (Number) eval("6 * 7");

        return n.intValue();

    }

    public static String hiProperty(String set) {

        final Object obj = eval("var x = {}; x.x = 'Hi'; x");

        if (obj == null) {

            throw new IllegalStateException("Some Value returned " + obj);

        }

        if (!(obj instanceof Objs)) {

            throw new IllegalStateException("The result is Objs: " + obj.getClass());

        }

        Objs js = (Objs) obj;

        if (set != null) {

            js.$set("x", set);

        }

        return (String) js.$get("x");

    }

    public static double parse(String str) throws Exception {

        return parseInt(str);

    }

    public static double parse(String str, int radix) throws Exception {

        return parseInt(str, radix);

    }

    public boolean checkNaN() throws Exception {

        double nan = NaN;

        return isNaN(nan);

    }

}