@Override
public PSequenceIterator executePSequenceIterator(VirtualFrame frame)
throws UnexpectedResultException {
probe.enter(child, frame);
PSequenceIterator result;
try {
result = child.executePSequenceIterator(frame);
probe.leave(child, frame);
} catch (KillException e) {
throw (e);
} catch (Exception e) {
probe.leaveExceptional(child, frame, e);
throw (e);
}
return result;
}
