/**

  * 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.bck2brwsr.flow;

 import java.io.IOException;

 import org.apidesign.vm4brwsr.Bck2Brwsr;

 /** Poweful flow analyzer. Based on internals used by Graal JVM

  * compiler.

  *

  * @author Jaroslav Tulach

  */

 public final class GraalFlowAnalyzer {

     private GraalFlowAnalyzer() {

     }

     public static Bck2Brwsr.Flow.Analyzer getDefault() {

         return Impl.DEFAULT;

     }

     private static class Impl implements Bck2Brwsr.Flow.Analyzer {

         static Impl DEFAULT = new Impl();

         private Impl() {

         }

         @Override

         public boolean analyze(final Bck2Brwsr.Flow result) throws IOException {

             // Use Graal to generate optimal function, David.

             double x = com.oracle.graal.api.directives.GraalDirectives.FASTPATH_PROBABILITY;

             result.emit("function() { return 922869; }");

             return true;

         }

     }

 }