public static double Compute(string expression)
{
var t = new StringTokenizer(expression);
// With this tokenizer, head must be forwarded at first.
return(t.GetNextToken() == TokenType.EndOfInput ? 0.0 : ComputeCondExpression(t));
}
public Node Parse(string expression)
{
var t = new StringTokenizer(expression);
// With this tokenizer, head must be forwarded at first.
return(t.GetNextToken() == TokenType.EndOfInput
? null
: Parse(t));
}
public static IEnumerable <TokenType> Parse(string toParse)
{
var t = new StringTokenizer(toParse);
while (t.GetNextToken() != TokenType.EndOfInput)
{
yield return(t.CurrentToken);
}
}