private void FirstButton_Click(object sender, EventArgs e)
{
string[] allStrings = inputTextBox.Text.Split(new char[2] {
'\r', '\n'
}, StringSplitOptions.RemoveEmptyEntries);
SortedSet <string> N = new SortedSet <string>(allStrings[0].Split(new char[1] {
' '
}, StringSplitOptions.RemoveEmptyEntries));
SortedSet <string> T = new SortedSet <string>(allStrings[1].Split(new char[1] {
' '
}, StringSplitOptions.RemoveEmptyEntries));
T.Add("e");
int n = Convert.ToInt32(allStrings[2]);
Dictionary <string, List <string> > P = new Dictionary <string, List <string> >();
for (int i = 3; i < 3 + n; i++)
{
string s = allStrings[i][0].ToString();
if (!P.ContainsKey(s))
{
P[s] = new List <string>();
}
P[s].Add(allStrings[i].Substring(3));
}
int k = Convert.ToInt32(allStrings[n + 3]);
string line = allStrings[n + 4];
AnswerForm F = new AnswerForm();
F.printFirst(getFirst(N, P, k, line, getGrammaFirst(T, N, P, k)), line);
F.Show();
}
private void plusButton_Click(object sender, EventArgs e)
{
string[] allStrings = inputTextBox.Text.Split(new char[2] {
'\r', '\n'
}, StringSplitOptions.RemoveEmptyEntries);
SortedSet <string> L1 = new SortedSet <string>(allStrings[0].Split(new char[1] {
' '
}, StringSplitOptions.RemoveEmptyEntries));
SortedSet <string> L2 = new SortedSet <string>(allStrings[1].Split(new char[1] {
' '
}, StringSplitOptions.RemoveEmptyEntries));
int k = Convert.ToInt32(allStrings[2]);
AnswerForm F = new AnswerForm();
F.printPlus(getPlus(L1, L2, k));
F.Show();
}
private void FollowButton_Click(object sender, EventArgs e)
{
string[] allStrings = inputTextBox.Text.Split(new char[2] {
'\r', '\n'
}, StringSplitOptions.RemoveEmptyEntries);
SortedSet <string> N = new SortedSet <string>(allStrings[0].Split(new char[1] {
' '
}, StringSplitOptions.RemoveEmptyEntries));
SortedSet <string> T = new SortedSet <string>(allStrings[1].Split(new char[1] {
' '
}, StringSplitOptions.RemoveEmptyEntries));
T.Add("e");
int n = Convert.ToInt32(allStrings[2]);
Dictionary <string, List <string> > P = new Dictionary <string, List <string> >();
for (int i = 3; i < 3 + n; i++)
{
string s = allStrings[i][0].ToString();
if (!P.ContainsKey(s))
{
P[s] = new List <string>();
}
P[s].Add(allStrings[i].Substring(3));
}
string start = allStrings[n + 3];
int k = Convert.ToInt32(allStrings[n + 4]);
string neterminal = allStrings[n + 5];
Dictionary <string, SortedSet <string> > gFirst = getGrammaFirst(T, N, P, k);
Dictionary <string, Dictionary <string, SortedSet <string> > > fi = getGrammaFi_follow(N, P, k, gFirst);
SortedSet <string> Follow = new SortedSet <string>(fi[start][neterminal]);
if (start == neterminal)
{
Follow.Add("e");
}
AnswerForm F = new AnswerForm();
F.printFollow(Follow, neterminal);
F.Show();
}
