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checkpatch: add optional --codespell dictionary to find more typos

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If a codespell dictionary exists, use it if desired.  default is off,
maybe it could be turned on later.

codespell's dictionary format allows multiple possible corrections, ignore
that for now and only use the first suggestion.

Also add \b to spelling test so that consecutive misspelled words
are found properly.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Masanari Iida <standby24x7@gmail.com>
Cc: Lucas De Marchi <lucas.de.marchi@gmail.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 2015-04-16 12:44:14 -07:00 committed by Linus Torvalds
parent b3e9a677fc
commit ebfd7d6237
1 changed files with 34 additions and 4 deletions
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38
scripts/checkpatch.pl
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@ -47,6 +47,8 @@ my $ignore_perl_version = 0;
my $minimum_perl_version = 5.10.0;
my $min_conf_desc_length = 4;
my $spelling_file = "$D/spelling.txt";
my $codespell = 0;
my $codespellfile = "/usr/local/share/codespell/dictionary.txt";
sub help {
my ($exitcode) = @_;
@ -88,6 +90,9 @@ Options:
file. It's your fault if there's no backup or git
--ignore-perl-version override checking of perl version. expect
runtime errors.
--codespell Use the codespell dictionary for spelling/typos
(default:/usr/local/share/codespell/dictionary.txt)
--codespellfile Use this codespell dictionary
-h, --help, --version display this help and exit
When FILE is - read standard input.
@ -146,6 +151,8 @@ GetOptions(
'ignore-perl-version!' => \$ignore_perl_version,
'debug=s' => \%debug,
'test-only=s' => \$tst_only,
'codespell!' => \$codespell,
'codespellfile=s' => \$codespellfile,
'h|help' => \$help,
'version' => \$help
) or help(1);
@ -449,7 +456,6 @@ my $misspellings;
my %spelling_fix;
if (open(my $spelling, '<', $spelling_file)) {
my @spelling_list;
while (<$spelling>) {
my $line = $_;
@ -461,15 +467,39 @@ if (open(my $spelling, '<', $spelling_file)) {
my ($suspect, $fix) = split(/\|\|/, $line);
push(@spelling_list, $suspect);
$spelling_fix{$suspect} = $fix;
}
close($spelling);
$misspellings = join("|", @spelling_list);
} else {
warn "No typos will be found - file '$spelling_file': $!\n";
}
if ($codespell) {
if (open(my $spelling, '<', $codespellfile)) {
while (<$spelling>) {
my $line = $_;
$line =~ s/\s*\n?$//g;
$line =~ s/^\s*//g;
next if ($line =~ m/^\s*#/);
next if ($line =~ m/^\s*$/);
next if ($line =~ m/, disabled/i);
$line =~ s/,.*$//;
my ($suspect, $fix) = split(/->/, $line);
$spelling_fix{$suspect} = $fix;
}
close($spelling);
} else {
warn "No codespell typos will be found - file '$codespellfile': $!\n";
}
}
$misspellings = join("|", sort keys %spelling_fix) if keys %spelling_fix;
sub build_types {
my $mods = "(?x: \n" . join("|\n ", @modifierList) . "\n)";
my $all = "(?x: \n" . join("|\n ", @typeList) . "\n)";
@ -2305,7 +2335,7 @@ sub process {
# Check for various typo / spelling mistakes
if (defined($misspellings) &&
($in_commit_log || $line =~ /^(?:\+|Subject:)/i)) {
while ($rawline =~ /(?:^|[^a-z@])($misspellings)(?:$|[^a-z@])/gi) {
while ($rawline =~ /(?:^|[^a-z@])($misspellings)(?:\b|$|[^a-z@])/gi) {
my $typo = $1;
my $typo_fix = $spelling_fix{lc($typo)};
$typo_fix = ucfirst($typo_fix) if ($typo =~ /^[A-Z]/);