Re: [acm@muc.de: Re: Emacs 22.2 release plans - request for a slight delay.]

[Stefan Monnier <monnier@iro.umontreal.ca>]

> I think the answer to this is to write the following in cc-cmds.el:

>     (defun c-defun-name (&optional pos)
>       "Return the name of the current function, or the one at POS.

>     \"Function\" here means any named structure with a brace block, and
>     \"current\" means the one surrounding point, starting or terminating at
>     point.

>     If there is no current function, return nil."
>     .....
>     )

> That should reduce the above `add-change-log-entry''s time to ~ 1 second.

It would be good to move all the code relating to c-mode (and
derivatives) from add-log.el to cc-mode.el.

> > I'm puzzled that (parse-partial-sexp (point-min) (point-max)) completes
> > instantaneously here (without any paren/brackets limits).
> Isn't there some sort of cacheing of p-p-s?

No.  `syntax-ppss' does such caching (and uses pps), but pps doesn't.
So syntax-ppss would be even faster in normal use (where the cache is
already filled because font-lock uses it).


        Stefan