private static void DisplayError(string msg, string expresion, Lekser lekser)
{
Console.WriteLine(msg);
Console.WriteLine(expresion);
Console.WriteLine($"Undefined token: {lekser.ExceptionToken}\n\n");
Display(lekser.Tokens);
}
static void Main(string[] args)
{
var lekser = new Lekser();
var parser = new Parser(lekser);
string expresion = "(4/2)*((2 - 1)*(2*2*2*(2+1)+5)*1)";
parser.Lekser.Analize(expresion);
if (!parser.Lekser.IsSuccess)
{
DisplayError("Lexical analysis error.", expresion, lekser);
}
else
{
parser.Analize();
if (parser.IsSuccess)
{
parser.Solve();
Console.WriteLine("Recognize expression.");
Console.WriteLine($"Result {parser.Result}");
}
else
{
DisplayError("Parsing error.", expresion, lekser);
}
}
Console.ReadLine();
}
public Parser(Lekser lekser)
{
Index = 0;
ValidBracketsCount = 0;
Lekser = lekser;
}