/* process call edge constraint */
public void process(CallConstraint c) {
Node csrc = c.ncaller.getRep();
Node cdst = c.ncallee.getRep();
assert (cdst.graph == this);
if (heapfix && csrc.graph == this && !csrc.isheap && cdst.isheap)
w.addFirst(new UnifyConstraint(csrc, cdst));
Collection<CallEdge> ced = cedges.get(c.call);
if (ced != null)
for (CallEdge e : ced) {
Node esrc = e.src.getRep();
Node edst = e.dst.getRep();
if (edst == cdst && e.call.equals(c.call)) {
if (esrc != csrc) {
Graph g = esrc.graph;
assert (g != this || !Options.mergeGraphs.value);
g.w.addFirst(new UnifyConstraint(esrc, csrc));
}
return;
}
}
else {
ced = new ArrayList<CallEdge>();
cedges.put(c.call, ced);
}
ced.add(new CallEdge(csrc, cdst, c.call));
}
private static void addInField(Node n, Field f, FieldEdge e) {
Collection<FieldEdge> s = n.infields.get(f);
if (s == null) {
s = new ArrayList<FieldEdge>();
n.infields.put(f, s);
}
s.add(e);
}
/* process field edge constraint */
public void process(FieldConstraint c) {
Node csrc = c.src.getRep();
Node cdst = c.dst.getRep();
assert (csrc.graph == this);
assert (cdst.graph == this);
if (heapfix && csrc.isheap && !cdst.isheap) w.addFirst(new UnifyConstraint(csrc, cdst));
Collection<FieldEdge> fed = fedges.get(c.field);
if (secondary_index[9]) {
FieldEdge e = csrc.outfields.get(c.field);
if (e != null) {
if (e.dst != cdst) w.addFirst(new UnifyConstraint(e.dst, cdst));
return;
}
} else {
if (fed != null)
for (FieldEdge e : fed) {
Node esrc = e.src.getRep();
Node edst = e.dst.getRep();
assert (e.field.equals(c.field));
if (esrc == csrc) {
if (edst != cdst) w.addFirst(new UnifyConstraint(edst, cdst));
return;
}
}
}
FieldEdge e = new FieldEdge(csrc, cdst, c.field);
if (fed == null) {
fed = new ArrayList<FieldEdge>();
fedges.put(c.field, fed);
}
fed.add(e);
if (secondary_index[1]) {
csrc.outfields.put(e.field, e);
addInField(cdst, e.field, e);
}
// Merge nodes according to Tag information
Node find =
Options.detailed.value
? reachesTag(csrc, cdst.tag, new HashSet<Node>())
: containsTag(cdst.tag);
if (find != null) w.addFirst(new UnifyConstraint(cdst, find));
}