private void HandleSubInput(int index)
{
var running = true;
var automaat = automates[index].automaat;
while (running)
{
Console.Clear();
Console.WriteLine($"Gekozen {automates[index].text}");
subsubtext.ToList().ForEach(s => Console.WriteLine(s));
int input = GetInput(subsubtext.Length);
switch (input)
{
case 0:
Graphviz.PrintGraph(automaat, "test");
break;
case 1:
var gram = RegGram <int> .NdfaToRegGram(automaat);
Console.WriteLine(gram.ToString());
Console.ReadLine();
break;
case 2:
running = false;
automates.Clear();
break;
}
}
}
private static void GramToNdfaAndReverse()
{
char[] alphabet = { 'a', 'b' };
var ndfa = new Automaat <int>(alphabet);
ndfa.AddTransition(new Transition <int>(0, alphabet[0], 0));
ndfa.AddTransition(new Transition <int>(0, alphabet[0], 1));
ndfa.AddTransition(new Transition <int>(0, alphabet[1], 0));
ndfa.AddTransition(new Transition <int>(0, alphabet[1], 3));
ndfa.AddTransition(new Transition <int>(1, alphabet[0], 2));
ndfa.AddTransition(new Transition <int>(2, alphabet[0]));
ndfa.AddTransition(new Transition <int>(2, alphabet[1]));
ndfa.AddTransition(new Transition <int>(3, alphabet[1], 4));
ndfa.AddTransition(new Transition <int>(4, alphabet[0]));
ndfa.AddTransition(new Transition <int>(4, alphabet[1]));
ndfa.DefineAsStartState(0);
ndfa.DefineAsFinalState(2);
ndfa.DefineAsFinalState(4);
Graphviz.PrintGraph(ndfa, "ndfaToGram");
var gram = RegGram <int> .NdfaToRegGram(ndfa);
Console.WriteLine(gram.ToString());
}
public TestRegGram()
{
//Als N = { S, A }
// $ = { a, b }
//P = { S -> bS, S -> aA, A -> bA, A -> b }
//Dan is G = (N, $, P, S) een grammatica.
char[] alphabet = { 'a', 'b' };
var RegGram = new RegGram <string>(alphabet);
RegGram.DefineStartSymbol("S");
RegGram.AddProductionRule(new PRule <string>("S", alphabet[1], "S"));
RegGram.AddProductionRule(new PRule <string>("S", alphabet[0], "A"));
RegGram.AddProductionRule(new PRule <string>("A", alphabet[1], "A"));
RegGram.AddProductionRule(new PRule <string>("A", alphabet[1]));
Console.WriteLine(RegGram.ToString());
}
public static RegGram <T> NdfaToRegGram(Automaat <T> ndfa)
{
var regGram = new RegGram <T>(ndfa.GetAlphabet());
foreach (var trans in ndfa._transitions)
{
regGram.AddProductionRule(new PRule <T>(trans.FromState, trans.Symbol, trans.ToState));
if (ndfa._finalStates.Contains(trans.ToState))
{
regGram.AddProductionRule(new PRule <T>(trans.FromState, trans.Symbol)
{
ToSymbolIsFinalSymbol = true
});
}
}
regGram.DefineStartSymbol(ndfa._startStates.First());
return(regGram);
}
