On Tue, 23 Aug 2016 11:30:16 -0300
Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx> wrote:
> On the output text, you'll see two places with "@:c:func:threadfn()".
>
> The problem here is that threadfn() is a function argument. While this
> used to work with DocBooks, now with Sphinx this is not handled well.
>
> I got some other similar cases on media. There, I opted to just remove
> the () on some places, or to replace it by \(\) to avoid kernel-doc
> to do the wrong thing.
I have a different idea: why not just add another regexp to the
kernel-doc house of cards? :) The following seems to make these issues
go away pretty nicely, and didn't cause any change at all to the
media/gpu output...
Stacking up ordering-dependent regexps is not a path to long-term joy; at
some point, we will likely want a smarter parser for kerneldoc comments.
But this seems to improve things for the moment.
jon
>From 5dccd4fb9f3c0b6468f38efab8c1d6232d3e701b Mon Sep 17 00:00:00 2001
From: Jonathan Corbet <corbet@xxxxxxx>
Date: Wed, 24 Aug 2016 16:31:15 -0600
Subject: [PATCH] docs: Special-case function-pointer parameters in kernel-doc
Add yet another regex to kernel-doc to trap @param() references separately
and not produce corrupt RST markup.
Signed-off-by: Jonathan Corbet <corbet@xxxxxxx>
---
scripts/kernel-doc | 2 ++
1 file changed, 2 insertions(+)
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 4f2e9049e8fa..c681e8f0ecc2 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -212,6 +212,7 @@ my $anon_struct_union = 0;
my $type_constant = '\%([-_\w]+)';
my $type_func = '(\w+)\(\)';
my $type_param = '\@(\w+)';
+my $type_fp_param = '\@(\w+)\(\)'; # Special RST handling for func ptr params
my $type_struct = '\&((struct\s*)*[_\w]+)';
my $type_struct_xml = '\\&((struct\s*)*[_\w]+)';
my $type_env = '(\$\w+)';
@@ -292,6 +293,7 @@ my @highlights_rst = (
# Note: need to escape () to avoid func matching later
[$type_member_func, "\\:c\\:type\\:`\$1\$2\\\\(\\\\) <\$1>`"],
[$type_member, "\\:c\\:type\\:`\$1\$2 <\$1>`"],
+ [$type_fp_param, "**\$1\\\\(\\\\)**"],
[$type_func, "\\:c\\:func\\:`\$1()`"],
[$type_struct_full, "\\:c\\:type\\:`\$1 \$2 <\$2>`"],
[$type_enum_full, "\\:c\\:type\\:`\$1 \$2 <\$2>`"],
--
2.7.4
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