/**

 * Back 2 Browser Bytecode Translator

 * Copyright (C) 2012 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.bck2brwsr.vm8;

import java.lang.invoke.CallSite;

import java.lang.invoke.ConstantCallSite;

import java.lang.invoke.MethodHandles;

import java.lang.invoke.MethodType;

import org.apidesign.bck2brwsr.core.JavaScriptBody;

public class InvokeDynamic {

    public static String dynamicSay() {

        return TEST_dynamic_boot1(new InvokeDynamic());

    }

    private static String TEST_dynamic_boot1(InvokeDynamic instance) {

        throw new IllegalStateException("Can't touch this");

    }

    public static CallSite boot1(MethodHandles.Lookup lookup, String name, MethodType type) {

        assertReal("1st parameter lookup", lookup);

        assertReal("2nd parameter name", name);

        assertReal("3rd parameter type", type);

        try {

            return new ConstantCallSite(lookup.findVirtual(InvokeDynamic.class, "instance_sayHello", MethodType.methodType(String.class)));

        } catch (NoSuchMethodException | IllegalAccessException e) {

            throw new IllegalStateException(e);

        }

    }

    @JavaScriptBody(args = { "msg", "value" }, body = 

        "if (!value) throw msg + ' value: ' + value;"

    )

    private static void assertReal(String msg, Object value) {

        assert value != null : msg;

        System.err.println(msg + " value: " + value);

    }

    public String instance_sayHello() {

        return "Hello from Dynamic!";

    }

}