diff options
| author | Joe Perches <joe@perches.com> | 2012-12-17 16:02:07 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-17 17:15:19 -0800 |
| commit | 323c1260ba2c4b5c4b2a1e9ab6657cde54ccf554 (patch) | |
| tree | fcc114327e37918e20e42a2f4ed00e3b7f158cec /scripts/checkpatch.pl | |
| parent | 74349bccedb3e34b4f1fd9c7efd2dda7905e3335 (diff) | |
checkpatch: warn on CamelCase variable names
Store the camelcase variables in a hash and only emit a warning on the
first use of each new variable.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts/checkpatch.pl')
| -rwxr-xr-x | scripts/checkpatch.pl | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 9de3a69260e1..1d6e4c541370 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1398,6 +1398,8 @@ sub process { my %suppress_export; my $suppress_statement = 0; + my %camelcase = (); + # Pre-scan the patch sanitizing the lines. # Pre-scan the patch looking for any __setup documentation. # @@ -2905,12 +2907,17 @@ sub process { } } -#studly caps, commented out until figure out how to distinguish between use of existing and adding new -# if (($line=~/[\w_][a-z\d]+[A-Z]/) and !($line=~/print/)) { -# print "No studly caps, use _\n"; -# print "$herecurr"; -# $clean = 0; -# } +#CamelCase + while ($line =~ m{($Constant|$Lval)}g) { + my $var = $1; + if ($var !~ /$Constant/ && + $var =~ /[A-Z]\w*[a-z]|[a-z]\w*[A-Z]/ && + !defined $camelcase{$var}) { + $camelcase{$var} = 1; + WARN("CAMELCASE", + "Avoid CamelCase: <$var>\n" . $herecurr); + } + } #no spaces allowed after \ in define if ($line=~/\#\s*define.*\\\s$/) { |