linux-kernel - [PATCH] kernel-doc: extend $type_param to match members referenced by pointer

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Message-Id: <1541602808-26233-1-git-send-email-rppt@linux.ibm.com>
Date:   Wed,  7 Nov 2018 17:00:08 +0200
From:   Mike Rapoport <rppt@...ux.ibm.com>
To:     Jonathan Corbet <corbet@....net>
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mike Rapoport <rppt@...ux.ibm.com>
Subject: [PATCH] kernel-doc: extend $type_param to match members referenced by pointer

Currently, function parameter description can match '@...e.member'
expressions but fails to match '@...e->member'.
Extend the $type_param regex to allow matching both

Signed-off-by: Mike Rapoport <rppt@...ux.ibm.com>
---
 scripts/kernel-doc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index ffbe901..3ce8800 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -212,7 +212,7 @@ my $anon_struct_union = 0;
 my $type_constant = '\b``([^\`]+)``\b';
 my $type_constant2 = '\%([-_\w]+)';
 my $type_func = '(\w+)\(\)';
-my $type_param = '\@(\w*(\.\w+)*(\.\.\.)?)';
+my $type_param = '\@(\w*((\.\w+)|(->\w+))*(\.\.\.)?)';
 my $type_fp_param = '\@(\w+)\(\)';  # Special RST handling for func ptr params
 my $type_env = '(\$\w+)';
 my $type_enum = '\&(enum\s*([_\w]+))';
@@ -361,7 +361,7 @@ 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
-my $doc_sect = $doc_com . 
+my $doc_sect = $doc_com .
     '\s*(\@[.\w]+|\@\.\.\.|description|context|returns?|notes?|examples?)\s*:(.*)';
 my $doc_content = $doc_com_body . '(.*)';
 my $doc_block = $doc_com . 'DOC:\s*(.*)?';
@@ -751,7 +751,7 @@ sub output_blockhead_rst(%) {
 
 #
 # Apply the RST highlights to a sub-block of text.
-#   
+#  
 sub highlight_block($) {
     # The dohighlight kludge requires the text be called $contents
     my $contents = shift;
-- 
2.7.4