Am 20.07.2016 um 14:20 schrieb Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>:
> Em Tue, 19 Jul 2016 14:36:50 +0200
> Daniel Vetter <daniel@xxxxxxxx> escreveu:
>
>> On Tue, Jul 19, 2016 at 01:42:55PM +0200, Daniel Vetter wrote:
>>> These are the leftovers I could only track down using keep_warnings =
>>> True. For some of them we might want to update our style guide on how
>>> to reference structures and constants, not sure ...
>>>
>>> Cc: Markus Heiser <markus.heiser@xxxxxxxxxxx>
>>> Cc: Jonathan Corbet <corbet@xxxxxxx>
>>> Cc: linux-doc@xxxxxxxxxxxxxxx
>>> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
>>
>> Aside: With this and the latest docs-next branch from Jon it's possible to
>> compile test doc changes (e.g. with git rebase -x) using:
>>
>> $ make IGNORE_DOCBOOKS=1 SPHINXOPTS=-W htmldocs
>
> Unfortunately, we'll not get rid of Sphinx warnings any time soon.
>
> The Sphinx function parser is really broken, even on version 1.4.5.
>
> Every time Sphinx finds a typedef argument or return value, like here:
>
> ssize_t dvb_ringbuffer_pkt_read_user (struct dvb_ringbuffer * rbuf, size_t idx, int offset, u8 __user * buf, size_t len);
>
> It produces a very ugly noisy warning:
>
> ./drivers/media/dvb-core/dvb_ringbuffer.h:149: WARNING: Error when parsing function declaration.
> If the function has no return type:
> Error in declarator or parameters and qualifiers
> Invalid definition: Expecting "(" in parameters_and_qualifiers. [error at 8]
> ssize_t dvb_ringbuffer_pkt_read_user (struct dvb_ringbuffer * rbuf, size_t idx, int offset, u8 __user * buf, size_t len)
> --------^
> If the function has a return type:
> Error in declarator or parameters and qualifiers
> If pointer to member declarator:
> Invalid definition: Expected '::' in pointer to member (function). [error at 37]
> ssize_t dvb_ringbuffer_pkt_read_user (struct dvb_ringbuffer * rbuf, size_t idx, int offset, u8 __user * buf, size_t len)
> -------------------------------------^
> If declarator-id:
> Invalid definition: Expecting "," or ")" in parameters_and_qualifiers, got "*". [error at 102]
> ssize_t dvb_ringbuffer_pkt_read_user (struct dvb_ringbuffer * rbuf, size_t idx, int offset, u8 __user * buf, size_t len)
> ------------------------------------------------------------------------------------------------------^
>
Aaargh ... it seems you are right.
There is a discussion about function overloading and identifiers
https://github.com/sphinx-doc/sphinx/issues/2682#issuecomment-229515888
If we use the C-domain ("..c:function::" instead of ".. cpp:function::")
this error did not expire. But using the C-domain has other drawbacks, we
discussed with ioctl.
May be it is better to switch to the c-domain and try to handle
these drawbacks ... I don't know.
> I guess that the problem is because Sphinx tries to generate a CPP like
> function name for cross-ref, and such parser is unable to handle typedef
> arguments. IMHO, this is broken by design.
by design?
-- Markus --
>
>
> Thanks,
> Mauro
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