/*
* IntervalElementFactory.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.analysis.intervals;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import org.jakstab.analysis.AbstractValueFactory;
import org.jakstab.analysis.MemoryRegion;
import org.jakstab.rtl.expressions.RTLNumber;
import org.jakstab.util.Lattices;
import org.jakstab.util.Logger;
/**
* @author Johannes Kinder
*/
public class IntervalElementFactory implements AbstractValueFactory<IntervalElement> {
@SuppressWarnings("unused")
private static final Logger logger = Logger.getLogger(IntervalElementFactory.class);
public IntervalElementFactory() {
}
@Override
public IntervalElement createAbstractValue(RTLNumber n) {
return new IntervalElement(MemoryRegion.GLOBAL, n, n);
}
@Override
public IntervalElement createAbstractValue(Collection<RTLNumber> numbers) {
List<IntervalElement> abstractValues = new LinkedList<IntervalElement>();
for (RTLNumber n : numbers) {
abstractValues.add(createAbstractValue(n));
}
return Lattices.joinAll(abstractValues);
}
@Override
public IntervalElement createTop(int bitWidth) {
return IntervalElement.getTop(bitWidth);
}
@Override
public IntervalElement createFalse() {
return IntervalElement.FALSE;
}
@Override
public IntervalElement createTrue() {
return IntervalElement.TRUE;
}
}