jaroslav@1648: /**
jaroslav@1648:  * Back 2 Browser Bytecode Translator
jaroslav@1648:  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@1648:  *
jaroslav@1648:  * This program is free software: you can redistribute it and/or modify
jaroslav@1648:  * it under the terms of the GNU General Public License as published by
jaroslav@1648:  * the Free Software Foundation, version 2 of the License.
jaroslav@1648:  *
jaroslav@1648:  * This program is distributed in the hope that it will be useful,
jaroslav@1648:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@1648:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jaroslav@1648:  * GNU General Public License for more details.
jaroslav@1648:  *
jaroslav@1648:  * You should have received a copy of the GNU General Public License
jaroslav@1648:  * along with this program. Look for COPYING file in the top folder.
jaroslav@1648:  * If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@1648:  */
jaroslav@1654: package org.apidesign.bck2brwsr.vm8;
jaroslav@1648: 
jaroslav@1648: import java.lang.invoke.CallSite;
jaroslav@1648: import java.lang.invoke.ConstantCallSite;
jaroslav@1648: import java.lang.invoke.MethodHandles;
jaroslav@1648: import java.lang.invoke.MethodType;
jaroslav@1658: import org.apidesign.bck2brwsr.core.JavaScriptBody;
jaroslav@1648: 
jaroslav@1648: public class InvokeDynamic {
jaroslav@1648: 
jaroslav@1648:     public static String dynamicSay() {
jaroslav@1648:         return TEST_dynamic_boot1(new InvokeDynamic());
jaroslav@1648:     }
jaroslav@1648: 
jaroslav@1648:     private static String TEST_dynamic_boot1(InvokeDynamic instance) {
jaroslav@1648:         throw new IllegalStateException("Can't touch this");
jaroslav@1648:     }
jaroslav@1648: 
jaroslav@1648:     public static CallSite boot1(MethodHandles.Lookup lookup, String name, MethodType type) {
jaroslav@1658:         assertReal("1st parameter lookup", lookup);
jaroslav@1658:         assertReal("2nd parameter name", name);
jaroslav@1658:         assertReal("3rd parameter type", type);
jaroslav@1648:         try {
jaroslav@1648:             return new ConstantCallSite(lookup.findVirtual(InvokeDynamic.class, "instance_sayHello", MethodType.methodType(String.class)));
jaroslav@1648:         } catch (NoSuchMethodException | IllegalAccessException e) {
jaroslav@1648:             throw new IllegalStateException(e);
jaroslav@1648:         }
jaroslav@1648:     }
jaroslav@1648: 
jaroslav@1658:     @JavaScriptBody(args = { "msg", "value" }, body = 
jaroslav@1658:         "if (!value) throw msg + ' value: ' + value;"
jaroslav@1658:     )
jaroslav@1658:     private static void assertReal(String msg, Object value) {
jaroslav@1658:         assert value != null : msg;
jaroslav@1658:         System.err.println(msg + " value: " + value);
jaroslav@1658:     }
jaroslav@1658:     
jaroslav@1648:     public String instance_sayHello() {
jaroslav@1648:         return "Hello from Dynamic!";
jaroslav@1648:     }
jaroslav@1648: }