public double Evaluate(string source)
{
TokenStream TS = new TokenStream();
List <Token> TheTokenStream = TS.BuildTokenStream(source);
int end = 0;
TheTokenStream = CreateUnaryNodes(TheTokenStream);
TheTokenStream = CreateOrderBrackets(TheTokenStream);
//TokenStream.PrintTokens(TheTokenStream);
AstNode Root = BuildAST(TheTokenStream, 0, out end);
PrintAST(Root);
if (Root == null)
{
return(0);
}
return(Root.Run(TheTable));
}