/*
* Copyright (C) 2013 Nastaran Shafiei and Franck van Breugel
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 can find a copy of the GNU General Public License at
* <http://www.gnu.org/licenses/>.
*/
package gov.nasa.jpf.vm;
import nhandler.peerGen.PeerClassGen;
/**
* This is a subclass of NativeMethodInfo which makes executeNative() skip the
* execution of the method by executing the corresponding empty method at the
* JVM level which returns a dummy value.
*
* @author Nastaran Shafiei
* @author Franck van Breugel
*/
public class SkippedMethodInfo extends HandledMethodInfo {
public SkippedMethodInfo (MethodInfo mi) {
super(mi);
}
protected boolean isUnsatisfiedLinkError (MJIEnv env){
if(mth == null){
System.out.println(printInfo());
PeerClassGen peerCreator = PeerClassGen.getPeerCreator(this.getClassInfo(), env);
mth = peerCreator.createEmptyMethod(this);
Class<?> peerClass = peerCreator.getPeer();
this.peer = NativePeer.getInstance(peerClass, NativePeer.class);
this.peer.initialize(peerClass, this.ci, true);
//this.peer = new NativePeer(peerCreator.getPeer(), this.ci);
assert (this.peer != null && mth != null);
}
return false;
}
@Override
protected String printInfo() {
return("* SKIPPING -> " + this.ci.getName() + "." + this.name);
}
}