Examples with Node soot.jimple.spark.pag.Node used on opensource projects

Example 36 with Node

use of soot.jimple.spark.pag.Node in project soot by Sable.

the class PropAlias method handleAllocNode.

/* End of public methods. */
/* End of package methods. */
/**
 * Propagates new points-to information of node src to all its successors.
 */
protected final boolean handleAllocNode(AllocNode src) {
    boolean ret = false;
    Node[] targets = pag.allocLookup(src);
    for (Node element : targets) {
        if (element.makeP2Set().add(src)) {
            addToWorklist((VarNode) element);
            ret = true;
        }
    }
    return ret;
}

Example 37 with Node

use of soot.jimple.spark.pag.Node in project soot by Sable.

the class PropIter method handleStores.

protected final boolean handleStores(VarNode src) {
    boolean ret = false;
    final PointsToSetInternal srcSet = src.getP2Set();
    if (srcSet.isEmpty())
        return false;
    Node[] storeTargets = pag.storeLookup(src);
    for (Node element : storeTargets) {
        final FieldRefNode fr = (FieldRefNode) element;
        final SparkField f = fr.getField();
        ret = fr.getBase().getP2Set().forall(new P2SetVisitor() {

            public final void visit(Node n) {
                AllocDotField nDotF = pag.makeAllocDotField((AllocNode) n, f);
                if (nDotF.makeP2Set().addAll(srcSet, null)) {
                    returnValue = true;
                }
            }
        }) | ret;
    }
    return ret;
}

Example 38 with Node

use of soot.jimple.spark.pag.Node in project soot by Sable.

the class PropIter method handleAllocNode.

/* End of public methods. */
/* End of package methods. */
/**
 * Propagates new points-to information of node src to all its successors.
 */
protected final boolean handleAllocNode(AllocNode src) {
    boolean ret = false;
    Node[] targets = pag.allocLookup(src);
    for (Node element : targets) {
        ret = element.makeP2Set().add(src) | ret;
    }
    return ret;
}

Example 39 with Node

use of soot.jimple.spark.pag.Node in project soot by Sable.

the class PropIter method handleLoads.

protected final boolean handleLoads(FieldRefNode src) {
    boolean ret = false;
    final Node[] loadTargets = pag.loadLookup(src);
    final SparkField f = src.getField();
    ret = src.getBase().getP2Set().forall(new P2SetVisitor() {

        public final void visit(Node n) {
            AllocDotField nDotF = ((AllocNode) n).dot(f);
            if (nDotF == null)
                return;
            PointsToSetInternal set = nDotF.getP2Set();
            if (set.isEmpty())
                return;
            for (Node element : loadTargets) {
                VarNode target = (VarNode) element;
                if (target.makeP2Set().addAll(set, null)) {
                    returnValue = true;
                }
            }
        }
    }) | ret;
    return ret;
}

Example 40 with Node

use of soot.jimple.spark.pag.Node in project soot by Sable.

the class PropIter method handleNewInstances.

protected final boolean handleNewInstances(final NewInstanceNode src) {
    boolean ret = false;
    final Node[] newInstances = pag.assignInstanceLookup(src);
    for (final Node instance : newInstances) {
        ret = src.getP2Set().forall(new P2SetVisitor() {

            @Override
            public void visit(Node n) {
                if (n instanceof ClassConstantNode) {
                    ClassConstantNode ccn = (ClassConstantNode) n;
                    Type ccnType = ccn.getClassConstant().toSootType();
                    // If the referenced class has not been loaded, we do
                    // this now
                    SootClass targetClass = ((RefType) ccnType).getSootClass();
                    if (targetClass.resolvingLevel() == SootClass.DANGLING)
                        Scene.v().forceResolve(targetClass.getName(), SootClass.SIGNATURES);
                    instance.makeP2Set().add(pag.makeAllocNode(src.getValue(), ccnType, ccn.getMethod()));
                }
            }
        });
    }
    return ret;
}