private NFAState FindUniqueCharTransition(char ch)
{
NFATransition res = null;
NFATransition trans;
for (int i = 0; i < Outgoing.Length; i++)
{
trans = Outgoing[i];
if (trans.Match(ch) && trans is NFACharTransition)
{
if (res != null)
{
return(null);
}
res = trans;
}
}
for (int i = 0; res != null && i < Outgoing.Length; i++)
{
trans = Outgoing[i];
if (trans != res && trans.State == res.State)
{
return(null);
}
}
return(res?.State);
}
public NFAState AddOut(NFATransition trans)
{
Array.Resize(ref Outgoing, Outgoing.Length + 1);
Outgoing[Outgoing.Length - 1] = trans;
if (trans is NFAEpsilonTransition)
{
EpsilonOut = true;
}
return(trans.State);
}
public void AddIn(NFATransition trans)
{
Array.Resize(ref Incoming, Incoming.Length + 1);
Incoming[Incoming.Length - 1] = trans;
}