linux-kernel - Re: [PATCH] checkpatch: Improve CamelCase test for Page

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Message-ID: <1361572731.9721.1.camel@thor.lan>
Date:	Fri, 22 Feb 2013 17:38:51 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Joe Perches <joe@...ches.com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] checkpatch: Improve CamelCase test for Page

On Fri, 2013-02-22 at 14:21 -0800, Joe Perches wrote:
> On Fri, 2013-02-22 at 17:01 -0500, Peter Hurley wrote:
> > I didn't bother to mention it before, but since your addressing mm
> > CamelCase exceptions, perhaps
> > 
> >   xxxx_XXXX
> >   xx_XXX_xxx
> >   XXX_xxx
> > 
> > could be exceptions as well?
> 
> Maybe the check should only be for "[A-Z][a-z]|[a-z][A-Z]"
> to make '_' and any non-alpha char a name barrier.
> 
> So vars like A_foo or b_9A would be acceptable.
> 
> Maybe:
> 
> ---
>  scripts/checkpatch.pl | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 747bcd7..e08e9f6 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -2929,8 +2929,8 @@ sub process {
>  		while ($line =~ m{($Constant|$Lval)}g) {
>  			my $var = $1;
>  			if ($var !~ /$Constant/ &&
> -			    $var =~ /[A-Z]\w*[a-z]|[a-z]\w*[A-Z]/ &&
> -			    $var !~ /^Page[A-Z]/ &&
> +			    $var =~ /[A-Z][a-z]|[a-z][A-Z]/ &&
> +			    $var !~ /"^(?:Clear|Set|TestClear|TestSet|)Page[A-Z]/ && &&
                                                                                    ^^^^^
                                                                                    &&  

>  			    !defined $camelcase{$var}) {
>  				$camelcase{$var} = 1;
>  				WARN("CAMELCASE",

Other than that, works for me :)


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