/**

  * 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);

         assert lookup.lookupClass() == InvokeDynamic.class : "We are making the lookup: " + lookup.lookupClass();

         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!";

     }

 }