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A Java Optimization Framework
package soot.jimple.toolkits.pointer;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2003 Ondrej Lhotak
* %%
* This program 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 program 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import soot.Context;
import soot.G;
import soot.Local;
import soot.PointsToAnalysis;
import soot.PointsToSet;
import soot.RefType;
import soot.Singletons;
import soot.SootField;
import soot.Type;
/**
* 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(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();
}
}
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