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Re: distinguish .h files
From: |
Pascal J. Bourguignon |
Subject: |
Re: distinguish .h files |
Date: |
Wed, 08 Dec 2010 15:32:45 -0000 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) |
Oleksandr Gavenko <gavenko@bifit.com.ua> writes:
> On 20.10.2010 18:48, Lennart Borgman wrote:
>> On Wed, Oct 20, 2010 at 5:37 PM, Andrea Crotti
>>>
>>> It's a bit annoying that the header files .h BUT for c++ are not
>>> automatically recognized (but of course understandable).
>>>
>>> I tried the following approach but it doesn't work, maybe the function
>>> is executed too early?
>>> Or what else can be the problem?
>>>
>>> --8<---------------cut here---------------start------------->8---
>>> (defun is-cpp-header-file ()
>>> "enable c++-mode when finding classes"
>>> (when (re-search-forward "class ")
>>> (c++-mode)))
>>>
>>> ;;(add-hook 'c-mode-common-hook 'is-cpp-header-file)
>>> --8<---------------cut here---------------end--------------->8---
>>
>> Please have a look at
>>
>> (info "(emacs) Choosing Modes")
>>
> Third, Emacs tries to determine the major mode by looking at the
> text at the start of the buffer, based on the variable
> `magic-mode-alist'. By default, this variable is `nil' (an empty
> list), so Emacs skips this step; however, you can customize it in your
> init file
>
> How long start of the buffer? Which variable control this behavior?
I would use find-file-hook.
(defun c++-.h-meat ()
(interactive)
(when (and (string= "h" (file-name-extension (buffer-file-name)))
(progn (goto-char (point-min))
(re-search-forward "\\<class\\>")))
(c++-mode)))
(add-hook 'find-file-hook 'c++-.h-meat)
--
__Pascal Bourguignon__ http://www.informatimago.com/
- Re: distinguish .h files,
Pascal J. Bourguignon <=