static void Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("For run use: parsers <input file>");
return;
}
expNode root;
using (StreamReader fin = new StreamReader(args[0]))
{
var lexer = new ExpLexer(fin);
var parser = new ExpParser(lexer);
root = parser.exp();
}
Application.EnableVisualStyles();
Application.Run(new Form1(root));
}