static void Main(string[] args)
{
Parser parser = new Parser();
string testExpr = String.Empty;
while (true)
{
Console.Write("> ");
testExpr = Console.ReadLine();
if (exitCommand(testExpr))
{
break;
}
else if (clearCommand(testExpr))
{
Console.Clear();
continue;
}
else
{
parser.tokenizeExpression(testExpr);
ArrayList postfixTest = parser.InputToPostfix();
Console.WriteLine("= " + parser.evaluatePostfix(postfixTest));
}
}
}