static void Main(string[] args)
{
while (true)
{
Console.Out.Write("Introduce expression: ");
var expression = Console.In.ReadLine();
var translator = new Translator(expression);
if (translator.ExpressionValid)
{
Console.Out.WriteLine("\nExpression valid");
var instructions = translator.GenerateAlgorithm();
var evaluator = new Evaluator(instructions, translator.Tokens);
evaluator.Variables.Add('x', 2);
try
{
Console.Out.WriteLine("\n\nRESULT: {0}\n", evaluator.Evaluate());
}
catch (Exception e)
{
Console.Out.WriteLine("\n\n Evaluation error: {0}\n", e.Message);
}
}
else
{
var tokenError = translator.TokenError;
Console.Out.WriteLine("\nError at {0}: {1}", tokenError.Column, tokenError.Value);
}
Console.Out.WriteLine("Press ENTER to continue...");
Console.In.ReadLine();
Console.Clear();
Console.Out.Flush();
}
/*
while (true)
{
Console.Out.Write("Introduce expression: ");
var expression = Console.In.ReadLine();
var lexer = new Lexer(expression);
var tokens = lexer.GenerateTokens();
Console.Out.WriteLine("Expression {0}\n", expression);
foreach (var token in tokens)
{
Console.Out.WriteLine(" " + token);
}
if (lexer.LexicalError)
{
var tokenError = lexer.TokenError;
Console.Out.WriteLine("\nError at {0}: {1}", tokenError.Column, tokenError.Value);
}
else
{
Console.Out.WriteLine("\nTokens generated without problems!");
var parser = new Parser(tokens);
parser.ValidateSintax();
if (parser.SyntaxError)
{
var tokenError = parser.TokenError;
Console.Out.WriteLine("\nError at {0}: {1}", tokenError.Column, tokenError.Value);
}
else
{
Console.Out.WriteLine("\nCorrect sintax!");
}
}
Console.Out.WriteLine("Press ENTER to continue...");
Console.In.ReadLine();
Console.Clear();
Console.Out.Flush();
}
*/
}