public void Parser(string input)
{
try
{
Match match = Regex.Match(input, regex_match);
if (match.Success)
{
// check to see if we are assigning a constant
if (char.Parse(match.Groups[2].Value) == '=')
{
string key = match.Groups[1].Value;
int val = int.Parse(match.Groups[3].Value);
consts.AddConstantsToDictionary(key, val);
storedConstant = true;
}
else
{
int _term1;
if (!int.TryParse(match.Groups[1].Value, out _term1))
{
string key = match.Groups[1].Value;
_term1 = consts.GetConstant(key);
}
term_1 = _term1;
_operator = char.Parse(match.Groups[2].Value);
int _term2;
if (!int.TryParse(match.Groups[3].Value, out _term2))
{
string key = match.Groups[3].Value;
_term2 = consts.GetConstant(key);
}
term_2 = _term2;
}
}
else
{
throw new InvalidOperationException("Try a 2 term expression");
}
}
catch (InvalidOperationException)
{
invalidEntry = true;
}
}
