linux-kernel - Re: [PATCH 2/2] checkpatch: kconfig: add missing types to regex

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Date:   Sun, 20 Dec 2020 11:12:49 -0800
From:   Joe Perches <joe@...ches.com>
To:     Nicolai Fischer <nicolai.fischer@....de>,
        linux-kernel@...r.kernel.org
Cc:     apw@...onical.com, johannes.czekay@....de,
        linux-kernel@...cs.fau.de
Subject: Re: [PATCH 2/2] checkpatch: kconfig: add missing types to regex

On Mon, 2020-12-14 at 11:24 +0100, Nicolai Fischer wrote:
> Kconfig parsing does not recognise all type attributes.
> This adds the missing 'int', 'sting' and 'hex' types.
> 
> Signed-off-by: Nicolai Fischer <nicolai.fischer@....de>
> Co-developed-by: Johannes Czekay <johannes.czekay@....de>
> Signed-off-by: Johannes Czekay <johannes.czekay@....de>
[]
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -3321,7 +3321,7 @@ sub process {
>  				next if ($f =~ /^-/);
>  				last if (!$file && $f =~ /^\@\@/);
>  
> 
> -				if ($lines[$ln - 1] =~ /^\+\s*(?:bool|tristate|prompt)\s*["']/) {
> +				if ($lines[$ln - 1] =~ /^\+\s*(?:bool|tristate|int|hex|string|prompt)\s*["']/) {

int and hex uses are not required to be followed either a " or '
For that matter, it's not required for tristate, bool or string

Likely this should be ["'$]

$ git grep -P -oh '^\s*(?:bool|tristate|int|hex|string|prompt)\b\s*\S?' -- '*/Kconfig*' | \
  sed -r -e 's/^\s+//' -e 's/\s+/ /g' | \
  sort | uniq -c | sort -rn
   8558 tristate "
   6314 bool "
   2082 bool
    843 tristate
    308 prompt "
    286 int "
    106 tristate '
     93 int
     84 hex "
     66 string "
     25 hex
     21 bool '
     18 string
      5 hex '
      3 string p
      2 string (
      1 string '
      1 int.
      1 bool #
      1 bool