/*
* AbstractRTLExpression.java - This file is part of the Jakstab project.
* Copyright 2007-2012 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.rtl.expressions;
import org.jakstab.rtl.TypeInferenceException;
import org.jakstab.ssl.Architecture;
import org.jakstab.util.Logger;
/**
* Abstract class to encapsulate behavior common to several RTLExpressions.
*
* @author Johannes Kinder
*/
public abstract class AbstractRTLExpression implements RTLExpression {
@SuppressWarnings("unused")
private static final Logger logger = Logger.getLogger(AbstractRTLExpression.class);
protected SetOfVariables usedVariables = null;
@Override
public RTLExpression inferBitWidth(Architecture arch, int expectedBitWidth)
throws TypeInferenceException {
if (getBitWidth() != expectedBitWidth) {
assert getBitWidth() > 0 : "Bitwidth <= 0!";
throw new TypeInferenceException("Expected " + this + " to be " + expectedBitWidth + " bit, got " + getBitWidth());
} else {
return this;
}
}
@Override
public String toHexString() {
return toString();
}
}