Re: interesting push parser use case

[Joel E. Denny]

On Sat, 8 Sep 2007, Bob Rossi wrote:

> The first issue is that I probably need a way to tell the parser that
> I'm done giving it tokens. That way, it will finish all of it's rules.
> Is there already a way to do this?

Yacc-generated parsers expect the last token in the input stream to be 
token 0.  In the .output file, it's called $end.

> The second issue is slightly more fuzzy. Essentially, after each token I
> give to the parser, it would probably be useful to know if it just
> finished a particular rule, and if so, which rule.

Could you use %parse-param to pass a pointer to a variable to be set by 
the semantic action of that rule?