soot.jimple.toolkits.pointer.DumbPointerAnalysis Maven / Gradle / Ivy
/* Soot - a J*va Optimization Framework
* Copyright (C) 2003 Ondrej Lhotak
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
package soot.jimple.toolkits.pointer;
import soot.*;
/** A very naive pointer analysis that just reports that any points can point
* to any object. */
public class DumbPointerAnalysis implements PointsToAnalysis {
public DumbPointerAnalysis( Singletons.Global g ) {}
public static DumbPointerAnalysis v() { return G.v().soot_jimple_toolkits_pointer_DumbPointerAnalysis(); }
/** Returns the set of objects pointed to by variable l. */
public PointsToSet reachingObjects( Local l ) {
Type t = l.getType();
if( t instanceof RefType ) return FullObjectSet.v((RefType) t);
return FullObjectSet.v();
}
/** Returns the set of objects pointed to by variable l in context c. */
public PointsToSet reachingObjects( Context c, Local l ) {
return reachingObjects(null, l);
}
/** Returns the set of objects pointed to by static field f. */
public PointsToSet reachingObjects( SootField f ) {
Type t = f.getType();
if( t instanceof RefType ) return FullObjectSet.v((RefType) t);
return FullObjectSet.v();
}
/** Returns the set of objects pointed to by instance field f
* of the objects in the PointsToSet s. */
public PointsToSet reachingObjects( PointsToSet s, SootField f ) {
return reachingObjects(f);
}
/** Returns the set of objects pointed to by instance field f
* of the objects pointed to by l. */
public PointsToSet reachingObjects( Local l, SootField f ) {
return reachingObjects(f);
}
/** Returns the set of objects pointed to by instance field f
* of the objects pointed to by l in context c. */
public PointsToSet reachingObjects( Context c, Local l, SootField f ) {
return reachingObjects(f);
}
/** Returns the set of objects pointed to by elements of the arrays
* in the PointsToSet s. */
public PointsToSet reachingObjectsOfArrayElement( PointsToSet s ) {
return FullObjectSet.v();
}
}