protected internal virtual DFAState GetExistingTargetState(DFAState s, int t)
{
DFAState target = s.GetTarget(t);
#if !PORTABLE
if (debug && target != null)
{
System.Console.Out.WriteLine("reuse state " + s.stateNumber + " edge to " + target
.stateNumber);
}
#endif
return target;
}