Fordítóprogramok táblázatos elemző

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace tablazatos_elemzo
{
    public partial class Form1 : Form
    {
        Stack<string> stack = new Stack<string>();
        bool ures_e = false;
        static string szalag = "i + i * i";
        string[] splittedSzalag = szalag.Split(' ');

        string[][] matrix = new string[][]
        {
            new string[] {"error", "+", "*", "(", ")", "i", "#"},
            new string[] {"E", "error", "error", "(TE', 1)", "error", "(TE', 1)", "error"},
            new string[] {"E'", "(+TE', 2)", "error", "error", "(ε, 3)", "error", "(ε, 3)"},
            new string[] {"T", "error", "error", "(FT',4)", "error", "(FT',4)", "error"},
            new string[] {"T'", "(ε, 6)", "(*FT', 5)", "error", "(ε, 6)", "error", "(ε, 6)"},
            new string[] {"F", "error", "error", "((E), 7)", "error", "(i, 8)", "error"},
            new string[] {"+", "pop", "error", "error", "error", "error", "error"},
            new string[] {"*", "error", "pop", "error", "error", "error", "error"},
            new string[] {"(", "error", "error", "pop", "error", "error", "error"},
            new string[] {")", "error", "error", "error", "pop", "error", "error"},
            new string[] {"i", "error", "error", "error", "error", "pop", "error"},
            new string[] {"#", "error", "error", "error", "error", "error", "elfogad"},
        };

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            stack.Push("E");

            for (int i = 0; i < matrix[0].Length; i++)
            {
                dataGridView1.Columns.Add(i.ToString(), matrix[0][i]);
            }

            for (
                int i = 1; i < matrix.GetLength(0); i++)
            {
                dataGridView1.Rows.Add(matrix[i]);
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            label1.Text = dataGridView1.CurrentRow.Cells[0].Value.ToString(); //aktuális cella sorazonosítóját adja meg
        }


        private void button2_Click(object sender, EventArgs e)
        {
            int index = 0;
            while (index < szalag.Length)
            {
                string aktElem = stack.Peek();
                int oszlopIndex = 1;
                int sorIndex = 0;
                string szabalyokSorszama = "";

                while (oszlopIndex < dataGridView1.Columns.Count - 1 && dataGridView1.Columns[oszlopIndex].HeaderText != splittedSzalag[index])
                {
                    oszlopIndex++;
                }
                while (sorIndex < dataGridView1.Rows.Count - 1 && dataGridView1.Rows[sorIndex].Cells[0].Value.ToString() != aktElem)
                {
                    sorIndex++;
                }
                TextboxFill(String.Format(">>> Szalag index: {0}\r\n>>> Oszlop index: {1}\r\n>>> Sor index: {2}", index, oszlopIndex, sorIndex));
                string adat = dataGridView1.Rows[sorIndex].Cells[oszlopIndex].Value.ToString();
                string tisztaAdat = "error";
                bool szabalyVolt = false;

                switch (adat)
                {
                    case "error":
                        TextboxFill(adat);
                        return;
                    case "elfogad":
                        TextboxFill(adat);
                        break;
                    case "pop":
                        stack.Pop();
                        index++;
                        TextboxFill(adat);
                        break;
                    default:
                        tisztaAdat = adat.Substring(adat.IndexOf("(") + 1, adat.IndexOf(",")-1);
                        szabalyokSorszama += adat.Substring(adat.IndexOf(",") + 1, 1);
                        szabalyVolt = true;
                        TextboxFill(adat);
                        break;
                }

                if (szabalyVolt)
                {
                    stack.Pop();
                    if (tisztaAdat != "ε")
                    {
                        for (int i = tisztaAdat.Length - 1; i >= 0; i--)
                        {
                            if (tisztaAdat[i].ToString() == "'")
                            {
                                stack.Push(tisztaAdat[i-1].ToString() + tisztaAdat[i].ToString());
                            }
                            else stack.Push(tisztaAdat[i].ToString());
                        }
                    }
                }

            }
        }

        private void kiszed()
        {
            // ide kell majd beletenni a feljebbi részt
        }

        void TextboxFill(string msg)
        {
            if (InvokeRequired)
            {
                Invoke(new Action(() => textBox1.Text += msg + "\r\n"));
            }
            else textBox1.Text += msg + "\r\n";
        }

    }
}