public abstract void DoThings(int action, DFA <Token, Function> dfa);
/// <summary>
/// Get next state
/// </summary>
/// <param name="action">action (letter eg.), if ation less then 0, means get else state</param>
/// <param name="dfa">DFA that call this state</param>
/// <returns>next state id</returns>
public virtual int NextState(int action, DFA <Token, Function> dfa, out bool isElseAction)
{
Debug.Assert(NextStateIds != null);
isElseAction = false;
if (action < 0)
{
isElseAction = true;
return(ElseStateId);
}
if (NextStateIdDict != null)
{
int nextState;
if (NextStateIdDict.TryGetValue(action, out nextState))
{
if (nextState < 0)
{
isElseAction = true;
return(ElseStateId);
}
else
{
return(nextState);
}
}
else
{
isElseAction = true;
return(ElseStateId);
}
}
else
{
if (NextStateIds == null)
{
isElseAction = true;
return(ElseStateId);
}
if (action >= NextStateIds.Length)
{
isElseAction = true;
return(ElseStateId);
}
else
{
int nextState = NextStateIds[action];
if (nextState < 0)
{
isElseAction = true;
return(ElseStateId);
}
else
{
return(nextState);
}
}
}
}