static void Main()
{
string epsilon = "0";
Graph g = new Graph();
//create vertices
/*
BaseVertex one = g.CreateNewVertex("0",false);
BaseVertex two = g.CreateNewVertex("1",false);
BaseVertex three = g.CreateNewVertex("2",false);
*/
//BaseVertex four = g.CreateNewVertex("4",false);
//BaseVertex five = g.CreateNewVertex("5",false);
/*
one.AddConnection(two, "a");
two.AddConnection(two, "a");
two.AddConnection(three, epsilon);
three.AddConnection(three, "b");
three.AddConnection(two, "a");
three.AddConnection(one, "a");
*/
BaseVertex v0 = g.CreateNewVertex("0", false);
BaseVertex v1 = g.CreateNewVertex("1", true);
BaseVertex v2 = g.CreateNewVertex("2", false);
v0.AddConnection(v1, "a");
v1.AddConnection(v1, "a");
v1.AddConnection(v2, epsilon);
v2.AddConnection(v2, "b");
v2.AddConnection(v0, "a");
v2.AddConnection(v1, "a");
String nfaDOT = g.ToDOT("NFA");
Converter c = new Converter(g,epsilon);
//Console.WriteLine();
c.convertToDFA(v0);
//String dfaDOT = c.table.createGraph().ToDOT("DFA");
//Console.WriteLine("Done");
//Console.ReadLine();
}
static void Main(string[] args)
{
//StringBuilder file = new StringBuilder();
//using (FileStream fs = new FileStream("../../../Grammar.txt", FileMode.Open))
//{
// using (StreamReader sr = new StreamReader(fs))
// {
// while (!sr.EndOfStream)
// {
// file.AppendLine(sr.ReadLine());
// }
// }
//}
//RDMain parser = new RDMain(file.ToString());
//Graph nfa = parser.doParse();
//nfa.AddIndividualCharacters(parser.CharacterClasses);
////convert nfa into dfa
//Converter converter = new Converter(nfa, "");
//converter.convertToDFA(nfa.StartVertex);
//Graph dfa = converter.table.createGraph();
//dfa.WriteTransitionTable();
//Console.ReadLine();
StringBuilder file = new StringBuilder();
Dictionary<string, string> options = new Dictionary<string, string>();
Program.doDictionarySetup(options, args);
if (options["-g"] != "") // Grammar file mode
{
try
{
using (FileStream fs = new FileStream(options["-g"], FileMode.Open))
{
using (StreamReader sr = new StreamReader(fs))
{
while (!sr.EndOfStream)
{
file.AppendLine(sr.ReadLine());
}
}
}
}
catch (FileNotFoundException fnf)
{
Console.Error.WriteLine("Could not find grammar file.");
Environment.Exit(1);
}
RDMain parser = new RDMain(file.ToString());
Graph nfa = parser.doParse();
nfa.AddIndividualCharacters(parser.CharacterClasses);
//convert nfa into dfa
Converter converter = new Converter(nfa, "");
converter.convertToDFA(nfa.StartVertex);
Graph dfa = converter.table.createGraph();
if (options["-dt"] != "")
{
//Me: Write out the DFA table file here.
dfa.SaveToFile(options["-dt"]);
}
else
{
//Me: Write DFA table to screen here.
Console.WriteLine("DFA table: \n\n");
dfa.WriteTransitionTable();
}
}
else if (options["-tf"] != "")
{
if (options["-idt"] == "")
{
Console.Error.WriteLine("-idt cannot be left blank.");
Environment.Exit(1);
}
Graph dfa = Graph.ReadFromFile(options["-idt"]);
Program.TestInputFile(options["-tf"], dfa, options);
}
else
{
Console.WriteLine("No mode specified.\n\nUsage: program.exe (-g grammarfile.txt [-dt datatableoutputfile.txt]) (-idt dfatableinputfile.txt -tf inputtokenfile.txt)");
Environment.Exit(1);
}
}
