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checkpatch: add --list-types to show message types to show or ignore

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The message types are not currently knowable without reading the code.
Add a mechanism to see what they are.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2016-05-20 17:04:14 -07:00 committed by Linus Torvalds
parent ef21219636
commit 3beb42eced
1 changed files with 37 additions and 1 deletions
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38
scripts/checkpatch.pl
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@ -33,6 +33,7 @@ my $summary = 1;
my $mailback = 0;
my $summary_file = 0;
my $show_types = 0;
my $list_types = 0;
my $fix = 0;
my $fix_inplace = 0;
my $root;
@ -70,11 +71,12 @@ Options:
--showfile emit diffed file position, not input file position
-f, --file treat FILE as regular source file
--subjective, --strict enable more subjective tests
--list-types list the possible message types
--types TYPE(,TYPE2...) show only these comma separated message types
--ignore TYPE(,TYPE2...) ignore various comma separated message types
--show-types show the specific message type in the output
--max-line-length=n set the maximum line length, if exceeded, warn
--min-conf-desc-length=n set the min description length, if shorter, warn
--show-types show the message "types" in the output
--root=PATH PATH to the kernel tree root
--no-summary suppress the per-file summary
--mailback only produce a report in case of warnings/errors
@ -106,6 +108,37 @@ EOM
exit($exitcode);
}
sub uniq {
my %seen;
return grep { !$seen{$_}++ } @_;
}
sub list_types {
my ($exitcode) = @_;
my $count = 0;
local $/ = undef;
open(my $script, '<', abs_path($P)) or
die "$P: Can't read '$P' $!\n";
my $text = <$script>;
close($script);
my @types = ();
for ($text =~ /\b(?:(?:CHK|WARN|ERROR)\s*\(\s*"([^"]+)")/g) {
push (@types, $_);
}
@types = sort(uniq(@types));
print("#\tMessage type\n\n");
foreach my $type (@types) {
print(++$count . "\t" . $type . "\n");
}
exit($exitcode);
}
my $conf = which_conf($configuration_file);
if (-f $conf) {
my @conf_args;
@ -146,6 +179,7 @@ GetOptions(
'ignore=s' => \@ignore,
'types=s' => \@use,
'show-types!' => \$show_types,
'list-types!' => \$list_types,
'max-line-length=i' => \$max_line_length,
'min-conf-desc-length=i' => \$min_conf_desc_length,
'root=s' => \$root,
@ -166,6 +200,8 @@ GetOptions(
help(0) if ($help);
list_types(0) if ($list_types);
$fix = 1 if ($fix_inplace);
$check_orig = $check;