private void EqualsButtonClick(object sender, RoutedEventArgs e)
{
// TODO(patrik): Do the calculation here
string labelStr = resultLabel.Text;
Console.WriteLine("DEBUG: Calculation String - '{0}'", labelStr);
lexer.Reset(labelStr);
try
{
// NOTE(patrik): Try to do the calculations
Node node = parser.Parse();
double result = node.GenerateNumber();
// NOTE(patrik): Check if theres an error in generating the number
if (double.IsPositiveInfinity(result) || double.IsNegativeInfinity(result))
{
error = true;
return;
}
Console.WriteLine("DEBUG: Calculation Result - '{0}'", result);
resultLabel.Text = result.ToString(CultureInfo.InvariantCulture);
}
catch (SyntaxErrorException)
{
// NOTE(patrik): Generate an error to the user
error = true;
resultLabel.Text = "SYNTAX ERROR";
Console.WriteLine("DEBUG: Calculation Error");
}
}