On Mon, Aug 02, 2004 at 08:51:15PM -0700, John Cohen wrote:
> Date: Mon, 02 Aug 2004 23:51:15 -0400
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>
> Aha! =)
>
> The last suggestion worked great (thanks!). But still, I still have a small
> problem. It won't accept more than one 'statement'. I know why, but can't
> fix it. Take a look:
>
> $ ./a.out
> 7 + 9 + 7 + 3 / (5 + 7);
> 23.25
> 3 + 3 + 3;
> Fatal Error: Parser is hopelessly lost...
>
> Now, I know why, because my grammar look like this:
> in ::= stmt ENDLINE.
> stmt(A) ::= expression. { printf("%u\n", a); }
> expression(A) ::= INTEGER(B). { A = B; }
> expression(A) ::= expression(B) PPLUS expression(C). { A = B + C; }
> expression(A) ::= expression(B) PSUB expression(C). { A = B - C; }
> ...etc...
John:
I'd be interested to see the complete example. Any chance you can
provide a link or copy of the calc program?
Regards,
Mike Chirico
