linux-kernel - [PATCH] tags: add a space regex to DECLARE

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Message-ID: <20211101155948.GA10424@pc>
Date:   Mon, 1 Nov 2021 23:59:53 +0800
From:   Zhaoyu Liu <zackary.liu.pro@...il.com>
To:     masahiroy@...nel.org, ripxorip@...il.com,
        gregkh@...uxfoundation.org, matthieu.baerts@...sares.net,
        mpe@...erman.id.au
Cc:     maz@...nel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] tags: add a space regex to DECLARE_BITMAP

When "make tags", it prompts a warning:

    ctags: Warning: drivers/pci/controller/pcie-apple.c:150:
    null expansion of name pattern "\1"

The reason is that there is an indentation beside arguments of
DECLARE_BITMAP, but it can parsed normally by gtags. It's also
allowed in C.

So fix this regex temporarily, and wait for better solutions
applied to other regexs.

Reviewed-by: Marc Zyngier <maz@...nel.org>
Signed-off-by: Zhaoyu Liu <zackary.liu.pro@...il.com>
---
 scripts/tags.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/tags.sh b/scripts/tags.sh
index b24bfaec6290..7e5f19391f20 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -186,7 +186,7 @@ regex_c=(
 	'/\<DEFINE_\(RT_MUTEX\|MUTEX\|SEMAPHORE\|SPINLOCK\)(\([[:alnum:]_]*\)/\2/v/'
 	'/\<DEFINE_\(RAW_SPINLOCK\|RWLOCK\|SEQLOCK\)(\([[:alnum:]_]*\)/\2/v/'
 	'/\<DECLARE_\(RWSEM\|COMPLETION\)(\([[:alnum:]_]\+\)/\2/v/'
-	'/\<DECLARE_BITMAP(\([[:alnum:]_]*\)/\1/v/'
+	'/\<DECLARE_BITMAP([[:space:]]*\([[:alnum:]_]*\)/\1/v/'
 	'/\(^\|\s\)\(\|L\|H\)LIST_HEAD(\([[:alnum:]_]*\)/\3/v/'
 	'/\(^\|\s\)RADIX_TREE(\([[:alnum:]_]*\)/\2/v/'
 	'/\<DEFINE_PER_CPU([^,]*, *\([[:alnum:]_]*\)/\1/v/'
-- 
2.17.1