using System;

using System.Collections.Generic;

using System.Text;

// Added

using System.IO;

using System.Diagnostics;

namespace MCG_CS

{

    class Program

    {

        static void Main(string[] args)

        {

            bool bExit = false;

            while (bExit == false)

            {

                Console.WriteLine("\nPlease enter the file path or type quit to exit the application");

                string strFileName = Console.ReadLine();

                if (strFileName == "quit")

                    bExit = true;

                else

                {

                    try

                    {

                        Stopwatch timerParser = new Stopwatch();

                        Stopwatch timerCompiler = new Stopwatch();

                        //string strInputCodeFile = "Factorial.kcl";

                        //string strFileName = "C:\\Users\\fahad\\Desktop\\MCG-CS\\Code\\" + strInputCodeFile;

                        timerParser.Start();

                        TextReader inputFile = File.OpenText(strFileName);

                        Lexer _Lexer = new Lexer(inputFile);

                        IList<object> lexemes = _Lexer.GetLexemes;

                        Parser parser = new Parser(lexemes);

                        Console.WriteLine("\nParsing Time: " + (timerParser.ElapsedTicks).ToString());

                        timerCompiler.Start();

                        strFileName = Path.GetFileNameWithoutExtension(strFileName);

                        CodeGenerator codeGenerator = new CodeGenerator(parser.GetParsedStatement, strFileName + ".exe");

                        timerParser.Stop();

                        timerCompiler.Stop();

                        Console.WriteLine("Compiling Time: " + (timerCompiler.ElapsedTicks).ToString());

                        Console.WriteLine("Overall Time: " + (timerParser.ElapsedTicks).ToString());

                        Console.WriteLine("\nCode has been compiled successfully!");

                        Console.WriteLine("\nAn executable assembly file has been generated with the same name as input file and saved in BIN\\DEBUG folder");

                    }

                    catch (Exception ex)

                    {

                        Console.WriteLine(ex.ToString());

                        Console.WriteLine("\nPress any key to continue...");

                    }

                }

            }

        }

    }

}