// recursively initialize nodeDests from start node
private void initNodeDests(SeqPhase phase, SeqNode n) throws Xcept {
if (nodeDests.get(n) != null) return;
if (stopAtFFTs && n.fft() != null) return;
LinkedHashSet<SeqNode> dests = new LinkedHashSet<SeqNode>();
nodeDests.put(n, dests);
Iterator<SeqEdge> es = graph.getEdgesFrom(n);
while (es.hasNext()) {
SeqEdge e = es.next();
SeqNode n1 = e.dest();
dests.add(n1);
if (phase != graph.getPhase(n1)) continue;
if (stopAtFFTs && n1.fft() != null) continue;
initNodeDests(phase, n1);
}
}
