Re: [PATCH] docs: make kernel-doc handle varargs properly

From	Jani Nikula <jani.nikula@intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] docs: make kernel-doc handle varargs properly
Date	2016-09-07 15:10 +0200
Message-ID	<seKM1-9T-13@gated-at.bofh.it> (permalink)
References	<sapmN-7Bz-11@gated-at.bofh.it> <saHtn-2iP-1@gated-at.bofh.it> <seoLv-2B1-25@gated-at.bofh.it> <seFsZ-56C-11@gated-at.bofh.it>
Organization	Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo

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On Wed, 07 Sep 2016, Markus Heiser <markus.heiser@darmarit.de> wrote:
> Am 06.09.2016 um 15:36 schrieb Jonathan Corbet <corbet@lwn.net>:
>
>> On Sat, 27 Aug 2016 11:43:18 +0300
>> Jani Nikula <jani.nikula@intel.com> wrote:
>> 
>>> On Fri, 26 Aug 2016, Jonathan Corbet <corbet@lwn.net> wrote:
>>>> As far as I can tell, the handling of "..." arguments has never worked
>>>> right, so any documentation provided was ignored in favor of "variable
>>>> arguments."  This makes kernel-doc handle "@...:" as documented.  It does
>>>> *not* fix spots in kerneldoc comments that don't follow that convention,
>>>> but they are no more broken than before.
>>>> 
>>>> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
>>>> ---
>>>> scripts/kernel-doc | 3 ++-
>>>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>>> 
>>>> diff --git a/scripts/kernel-doc b/scripts/kernel-doc
>>>> index c681e8f0ecc2..e6c52ab938fd 100755
>>>> --- a/scripts/kernel-doc
>>>> +++ b/scripts/kernel-doc
>>>> @@ -414,7 +414,7 @@ my $doc_com_body = '\s*\* ?';
>>>> my $doc_decl = $doc_com . '(\w+)';
>>>> # @params and a strictly limited set of supported section names
>>>> my $doc_sect = $doc_com . 
>>>> -    '\s*(\@\w+|description|context|returns?|notes?|examples?)\s*:(.*)';
>>>> +    '\s*(\@[.\w]+|description|context|returns?|notes?|examples?)\s*:(.*)';  
>>> 
>>> So this will now accept "@foo.bar.baz:" too, right? Should it be
>>> something like this instead?
>>> 
>>> '\s*(\@\w+|\@\.\.\.|description|context|returns?|notes?|examples?)\s*:(.*)';
>> 
>> That works too.
>> 
>> I had a sort of vision of catching the "args..." notation that a lot of
>> kerneldoc comments use and doing the right thing, but ran out of patience
>> before getting it to work.  There are times when I find Markus's python
>> kernel-doc replacement tempting...
>
> Feel free to contact me if you want to see a RFC.
>
> OT but BTW: Does sparse parse macros, or did sparse precompile? I mean,
> are macros objects of sparse's AST or does the AST only contain
> C objects?

Sparse contains a C preprocessor.

> Sorry if my question is dump, I haven't had time to take a serious
> look on sparse.

See https://lwn.net/Articles/689907/.


BR,
Jani.


-- 
Jani Nikula, Intel Open Source Technology Center

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[PATCH] docs: make kernel-doc handle varargs properly Jonathan Corbet <corbet@lwn.net> - 2016-08-26 15:30 +0200
  Re: [PATCH] docs: make kernel-doc handle varargs properly kbuild test robot <lkp@intel.com> - 2016-08-26 18:10 +0200
  Re: [PATCH] docs: make kernel-doc handle varargs properly Jani Nikula <jani.nikula@intel.com> - 2016-08-27 10:50 +0200
    Re: [PATCH] docs: make kernel-doc handle varargs properly Jonathan Corbet <corbet@lwn.net> - 2016-09-06 15:40 +0200
      Re: [PATCH] docs: make kernel-doc handle varargs properly Markus Heiser <markus.heiser@darmarit.de> - 2016-09-07 09:30 +0200
        Re: [PATCH] docs: make kernel-doc handle varargs properly Jani Nikula <jani.nikula@intel.com> - 2016-09-07 15:10 +0200

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