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util/lint/checkpatch.pl: Update the check of repeated words 

Update to v5.18-2 version.

Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Change-Id: I7f5e597bb76e1b9feeb2d6ea290626f45e9fe6c0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63577
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <martinroth@google.com>
This commit is contained in:
Elyes Haouas 2022-04-12 12:28:32 +02:00 committed by Martin L Roth
parent f62a98939d
commit 84083a27aa
1 changed files with 62 additions and 0 deletions
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62
util/lint/checkpatch.pl
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@ -708,6 +708,8 @@ our @mode_permission_funcs = (
["__ATTR", 2],
);
my $word_pattern = '\b[A-Z]?[a-z]{2,}\b';
#Create a search pattern for all these functions to speed up a loop below
our $mode_perms_search = "";
foreach my $entry (@mode_permission_funcs) {
@ -943,6 +945,13 @@ our $declaration_macros = qr{(?x:
(?:SKCIPHER_REQUEST|SHASH_DESC|AHASH_REQUEST)_ON_STACK\s*\(
)};
our %allow_repeated_words = (
add => '',
added => '',
bad => '',
be => '',
);
sub deparenthesize {
my ($string) = @_;
return "" if (!defined($string));
@ -3000,6 +3009,59 @@ sub process {
}
}
}
# check for repeated words separated by a single space
# avoid false positive from list command eg, '-rw-r--r-- 1 root root'
if (($rawline =~ /^\+/ || $in_commit_log) &&
$rawline !~ /[bcCdDlMnpPs\?-][rwxsStT-]{9}/) {
pos($rawline) = 1 if (!$in_commit_log);
while ($rawline =~ /\b($word_pattern) (?=($word_pattern))/g) {
my $first = $1;
my $second = $2;
my $start_pos = $-[1];
my $end_pos = $+[2];
if ($first =~ /(?:struct|union|enum)/) {
pos($rawline) += length($first) + length($second) + 1;
next;
}
next if (lc($first) ne lc($second));
next if ($first eq 'long');
# check for character before and after the word matches
my $start_char = '';
my $end_char = '';
$start_char = substr($rawline, $start_pos - 1, 1) if ($start_pos > ($in_commit_log ? 0 : 1));
$end_char = substr($rawline, $end_pos, 1) if ($end_pos < length($rawline));
next if ($start_char =~ /^\S$/);
next if (index(" \t.,;?!", $end_char) == -1);
# avoid repeating hex occurrences like 'ff ff fe 09 ...'
if ($first =~ /\b[0-9a-f]{2,}\b/i) {
next if (!exists($allow_repeated_words{lc($first)}));
}
if (WARN("REPEATED_WORD",
"Possible repeated word: '$first'\n" . $herecurr) &&
$fix) {
$fixed[$fixlinenr] =~ s/\b$first $second\b/$first/;
}
}
# if it's a repeated word on consecutive lines in a comment block
if ($prevline =~ /$;+\s*$/ &&
$prevrawline =~ /($word_pattern)\s*$/) {
my $last_word = $1;
if ($rawline =~ /^\+\s*\*\s*$last_word /) {
if (WARN("REPEATED_WORD",
"Possible repeated word: '$last_word'\n" . $hereprev) &&
$fix) {
$fixed[$fixlinenr] =~ s/(\+\s*\*\s*)$last_word /$1/;
}
}
}
}
# ignore non-hunk lines and lines being removed
next if (!$hunk_line || $line =~ /^-/);