//
// Copyright (C) 2011 United States Government as represented by the
// Administrator of the National Aeronautics and Space Administration
// (NASA). All Rights Reserved.
//
// This software is distributed under the NASA Open Source Agreement
// (NOSA), version 1.3. The NOSA has been approved by the Open Source
// Initiative. See the file NOSA-1.3-JPF at the top of the distribution
// directory tree for the complete NOSA document.
//
// THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
// KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
// LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
// SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
// A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
// THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
// DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
//
package gov.nasa.jpf.vm.serialize;
import gov.nasa.jpf.vm.MJIEnv;
/**
* (mostly) pass-through Abstraction
*/
public class AbstractionAdapter implements Abstraction {
public int getAbstractValue(int v) {
return v;
}
public int getAbstractValue(float v) {
return Float.floatToIntBits(v);
}
public int getAbstractValue(long v) {
return (int)(v^(v>>>32)); // Long.hashValue
}
public int getAbstractValue(double v) {
long l = Double.doubleToLongBits(v);
return (int)(l^(l>>>32)); // Double.hashValue
}
public int getAbstractObject(int ref) {
return ref;
}
public boolean traverseObject(int ref) {
return (ref != MJIEnv.NULL);
}
}