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docs: kernel-doc: properly recognize parameter lines with colons 

The previous attempt to properly handle literal blocks broke parsing of
parameter lines containing colons; fix it by tweaking the regex to
specifically exclude the "::" pattern while accepting lines containing
colons in general.  Add a little documentation to the regex while in the
neighborhood.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 8d295fbad6 ("kernel-doc: better handle '::' sequences")
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Jonathan Corbet 2021-03-26 13:16:35 -06:00
parent 8d295fbad6
commit 212209cff8
1 changed files with 7 additions and 1 deletions
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8
scripts/kernel-doc
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@ -391,8 +391,14 @@ my $doc_com = '\s*\*\s*';
my $doc_com_body = '\s*\* ?';
my $doc_decl = $doc_com . '(\w+)';
# @params and a strictly limited set of supported section names
# Specifically:
# Match @word:
# @...:
# @{section-name}:
# while trying to not match literal block starts like "example::"
#
my $doc_sect = $doc_com .
'\s*(\@[.\w]+|\@\.\.\.|description|context|returns?|notes?|examples?)\s*:([^:]*)$';
'\s*(\@[.\w]+|\@\.\.\.|description|context|returns?|notes?|examples?)\s*:([^:].*)?$';
my $doc_content = $doc_com_body . '(.*)';
my $doc_block = $doc_com . 'DOC:\s*(.*)?';
my $doc_inline_start = '^\s*/\*\*\s*$';