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Re: which-function => DEFUN?
From: |
Stefan Monnier |
Subject: |
Re: which-function => DEFUN? |
Date: |
Mon, 10 May 2010 11:42:19 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
> (defun which-func-identify-DEFUN ()
> (save-excursion
> (save-match-data
> (beginning-of-defun)
> (and (looking-at "DEFUN +(\"[^\"]+\",[ \n]+\\(F[^,]+\\),")
> (match-string-no-properties 1)))))
> Likely the `save-match-data' is not required, but I tend to err on the
> side of saving it on my code.
The rule for where to place a save-match-data is:
around the code run between "looking-at" and
"match-string-no-properties".
In this case (as in 99% of the cases) this code is empty, so the
save-match-data can be dropped.
> (add-hook 'which-func-functions 'which-func-identify-DEFUN nil t)
If your save-match-data were needed, which-func-functions should say
so explicitly.
Stefan
- which-function => DEFUN?, Lennart Borgman, 2010/05/10
- Re: which-function => DEFUN?,
Stefan Monnier <=
- Re: which-function => DEFUN?, Juanma Barranquero, 2010/05/10
- Global match data considered harmful, Stephen J. Turnbull, 2010/05/10
- Re: Global match data considered harmful, Stefan Monnier, 2010/05/11
- Re: Global match data considered harmful, Stephen J. Turnbull, 2010/05/11
- Re: Global match data considered harmful, tomas, 2010/05/12