private void addToDrawn(PortInst pi) {
assert stack.isEmpty();
stack.add(pi);
while (!stack.isEmpty()) {
pi = stack.remove(stack.size() - 1);
PortProtoId ppId = pi.portId;
int numPorts = getNumPorts(ppId.getParentId());
if (numPorts == 1 || ppId instanceof ExportId) {
addToDrawn1(pi);
continue;
}
PrimitivePort pp = techPool.getPrimitivePort((PrimitivePortId) ppId);
PrimitiveNode pn = pp.getParent();
int topology = pp.getTopology();
for (int i = 0; i < numPorts; i++) {
PrimitivePort pp2 = pn.getPort(i);
if (pp2.getTopology() != topology) {
continue;
}
addToDrawn1(new PortInst(pi.n.nodeId, pp2.getId()));
}
}
}
