private void buttonProcess_Click(object sender, EventArgs e)
{
Lexema[] lex = Transliterator.Do(textIn.Text, true);
// Clean up!
textIn.Clear();
foreach (object val in Lexema.GetValues(lex))
{
textIn.Text += val;
}
textOut.Clear();
//System.Collections.Generic.
ActionOnLexem[] stats =
{
do1,
do2A,do2B,
do3A,do3B, do3C,
do4A,do4B,
do5,
do6A,do6B, do6C,
do7,
doError
};
#region transitions table initialization
int[,] njuTab =
{
/*(0) 1*/ { Array.IndexOf(stats, do2A), Array.IndexOf(stats, doError), Array.IndexOf(stats, do7), Array.IndexOf(stats, doError) },
/*(1) 2*/ { Array.IndexOf(stats, do2B), Array.IndexOf(stats, do4A), Array.IndexOf(stats, do3C), Array.IndexOf(stats, doError) },
/*(2) 3*/ { Array.IndexOf(stats, do3A), Array.IndexOf(stats, do4B), Array.IndexOf(stats, doError), Array.IndexOf(stats, doError) },
/*(3) 4*/ { Array.IndexOf(stats, do6A), Array.IndexOf(stats, doError), Array.IndexOf(stats, doError), Array.IndexOf(stats, do5) },
/*(4) 5*/ { Array.IndexOf(stats, do6B), Array.IndexOf(stats, doError), Array.IndexOf(stats, doError), Array.IndexOf(stats, doError) },
/*(5) 6*/ { Array.IndexOf(stats, do6C), Array.IndexOf(stats, doError), Array.IndexOf(stats, doError), Array.IndexOf(stats, doError) },
/*(6) 7*/ { Array.IndexOf(stats, do3B), Array.IndexOf(stats, doError), Array.IndexOf(stats, doError), Array.IndexOf(stats, doError) },
/*(7) e*/ { Array.IndexOf(stats, doError), Array.IndexOf(stats, doError), Array.IndexOf(stats, doError), Array.IndexOf(stats, doError) },
};
#endregion
auto = new AutomatNumConst(
// A
new object[] {
new Lexema(Transliterator.KindOfSymbol.Digit, null),
new Lexema(Transliterator.KindOfSymbol.E, null),
new Lexema(Transliterator.KindOfSymbol.Dot, null),
new Lexema(Transliterator.KindOfSymbol.Sign, null)
},
// Z
new string[] { "error", "int", "float", "real" },
// S
stats,
// nju
njuTab,
// zeta
new int[] { 0, 1, 2, 0, 0, 3, 0, 0 }
);
object[] whatsDone;
object[] outsSequence;
object constant = null;
string formalRepresentation = "";
StepCount = 1;
dataGridView1.Rows.Clear();
auto.Step += new TerminalStepDelegate(auto_Step);
auto.StateIndex = 0;
auto.Process(lex, out whatsDone, out outsSequence);
if (outsSequence.Length < 1)
{
MessageBox.Show("Empty constant", "Failed",
MessageBoxButtons.OK, MessageBoxIcon.Stop);
return;
}
switch (outsSequence[outsSequence.Length - 1] as string)
{
case "int":
constant = auto.Ч;
formalRepresentation = auto.Ч.ToString();
break;
case "float":
auto.П = -auto.С;
constant = auto.Ч * Math.Pow(10, auto.П);
formalRepresentation =
String.Format("{0}*10^{1}", auto.Ч, auto.П);
break;
case "real":
auto.П *= auto.З;
auto.П -= auto.С;
constant = auto.Ч * (Math.Pow(10, auto.П));
formalRepresentation =
String.Format("{0}*10^{1}", auto.Ч, auto.П);
break;
default:
MessageBox.Show("Cannot parse constant", "Failed",
MessageBoxButtons.OK, MessageBoxIcon.Stop);
return;
}
textOut.Text = String.Format("{0} (={1}).",
formalRepresentation, constant.ToString()
);
}
