/* * 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; } }