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SubjectRe: [PATCH v2] docs: automarkup.py: Allow automatic cross-reference inside C namespace
On Tue, 17 Nov 2020 02:12:01 +0000
Nícolas F. R. A. Prado <nfraprado@protonmail.com> wrote:

> Sphinx 3.1 introduced namespaces for C cross-references. With this,
> each C domain type/function declaration is put inside the namespace that
> was active at the time of its declaration.
>
> Add support for automatic cross-referencing inside C namespaces by
> checking whether the corresponding source file had a C namespace Sphinx
> directive, and if so, try cross-referencing inside of it before going to
> the global scope.
>
> This assumes there's only one namespace (if any) per rst file.
>
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@protonmail.com>
> ---
>
> To those following from v1:
>
> I ended up doing the simplest solution possible, which is to just directly read
> the rst source corresponding to the doc page right before doing the automarkup.
> It's not very efficient in the sense that the source is being read
> twice (first by Sphinx, then by this), but it sidesteps the "data sharing
> between processes" issue, so parallel_read_safe can be reenabled, and I didn't
> notice any performance hit from this patch (as opposed to the big hit from v1).
> Works with both Sphinx 2 and 3.

The solution does lack elegance, but it is a solution, which is more than
we had before :) That said, rather than re-opening and re-reading the
file, why not just connect to the source-read event, which will happily
hand you the document source that it has already read?

Thanks,

jon

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