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bug#16297: 24.3; Maybe wrong regexp in python.el (24.3)
From: |
Fabián Ezequiel Gallina |
Subject: |
bug#16297: 24.3; Maybe wrong regexp in python.el (24.3) |
Date: |
Mon, 30 Dec 2013 01:06:38 -0300 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) |
François Pinard <pinard@iro.umontreal.ca> writes:
> Well, I was adapting some of my Emacs Lisp from python-mode.el to use
> Fabian Gallina's python.el instead. After loading python.el in Emacs
> 24.3, the value of python-nav-beginning-of-defun-regexp is:
>
> "^[[:space:]]*\\_<\\(?:class\\|def\\)\\_>[[:space:]]+\\([_[:alpha:]][_[:word:]]*\\)"
>
> Maybe I merely miss the meaning of "?:" in this regexp, if any. Yet, by
> removing "?:" from the above value solved my problem, so maybe the value
> as defined by Emacs has problem?
>
> François
>
The "?:" meaning is that the grouping will not be accessible by
`match-string' and friends and that's intended. It doesn't change
regexp's behavior for matching a beginning of defun, but you can't get
the type easily.
If getting the type is the issue for you, one way to do it is:
(when (looking-at python-nav-beginning-of-defun)
(let* ((match (split-string (match-string-no-properties 0)))
(type (car match)))
(name (cadr match))
(list type name)))
Regards,
Fabián.