/*
* CFATransformerFactory.java - This file is part of the Jakstab project.
* Copyright 2007-2015 Johannes Kinder <jk@jakstab.org>
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, see <http://www.gnu.org/licenses/>.
*/
package org.jakstab.cfa;
import java.util.Set;
import org.jakstab.analysis.AbstractState;
import org.jakstab.util.Logger;
/**
* Trivial implementation that provides CFA edges from an already reconstructed
* control flow automaton.
*
* @author Johannes Kinder
*/
public class CFATransformerFactory implements StateTransformerFactory {
@SuppressWarnings("unused")
private static final Logger logger = Logger.getLogger(CFATransformerFactory.class);
private ControlFlowGraph cfg;
public CFATransformerFactory(ControlFlowGraph cfg) {
this.cfg = cfg;
}
@Override
public Set<CFAEdge> getTransformers(AbstractState a) {
Set<CFAEdge> cfaEdges = cfg.getOutEdges(a.getLocation());
return cfaEdges;
}
@Override
public Location getInitialLocation() {
return cfg.getEntryPoint();
}
}