private static bool BracketsMatch(Token open, Token close)
{
return (open.Type == "(" && close.Type == ")") || (open.Type == "[" && close.Type == "]");
}
private bool TryGetOperator(TextReader input, char ch, out Token token)
{
var next = (char)input.Peek();
if (IsOperator(ch + next.ToString()))
{
token = CreateToken(ch.ToString() + (char)input.Read());
return true;
}
if (IsOperator(ch.ToString()))
{
token = CreateToken(ch);
return true;
}
token = null;
return false;
}
