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Message-ID: <20200610080102.17456-1-sjpark@amazon.com>
Date: Wed, 10 Jun 2020 10:01:02 +0200
From: SeongJae Park <sjpark@...zon.com>
To: Joe Perches <joe@...ches.com>
CC: SeongJae Park <sjpark@...zon.com>, <akpm@...ux-foundation.org>,
<apw@...onical.com>, <colin.king@...onical.com>,
<sj38.park@...il.com>, <linux-kernel@...r.kernel.org>,
SeongJae Park <sjpark@...zon.de>
Subject: Re: Re: [PATCH v3 1/2] checkpatch: support deprecated terms checking
On Wed, 10 Jun 2020 00:13:42 -0700 Joe Perches <joe@...ches.com> wrote:
> On Wed, 2020-06-10 at 08:52 +0200, SeongJae Park wrote:
> > From: SeongJae Park <sjpark@...zon.de>
> >
> > Some terms could be deprecated for various reasons, but it is hard to
> > update the entire old usages. That said, we could at least encourage
> > new patches to use the suggested replacements. This commit adds check
> > of deprecated terms in the 'checkpatch.pl' for that. The script will
> > get deprecated terms and suggested replacements of those from
> > 'scripts/deprecated_terms.txt' file and warn if the deprecated terms are
> > used. The mechanism and the format of the file are almost the same as
> > that of 'spelling.txt'.
> []
> > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> []
> > +# Load deprecated terms and build regular expression list.
> > +my $deprecated_terms;
> > +my %deprecated_terms_fix;
> > +
> > +if (open(my $deprecates, '<', $deprecated_terms_file)) {
> > + while (<$deprecates>) {
> > + my $line = $_;
> > +
> > + $line =~ s/\s*\n?$//g;
> > + $line =~ s/^\s*//g;
> > +
> > + next if ($line =~ m/^\s*#/);
> > + next if ($line =~ m/^\s*$/);
> > +
> > + my ($suspect, $fix) = split(/\|\|/, $line);
> > +
> > + $deprecated_terms_fix{$suspect} = $fix;
> > + }
> > + close($deprecates);
> > +} else {
> > + warn "No deprecated term will be found - file '$deprecated_terms_file': $!\n";
> > +}
> > +
> > +$deprecated_terms = join("|", sort keys %deprecated_terms_fix) if keys %deprecated_terms_fix;
> > +
>
> This is a direct copy of the spelling dictionary
> loading code, so maybe these could be consolidated.
Agreed, how about below one?
============================= >8 ============================================
>From 76987b0f062c981243b49b7bede8b68de30ac3e2 Mon Sep 17 00:00:00 2001
From: SeongJae Park <sjpark@...zon.de>
Date: Wed, 10 Jun 2020 07:11:57 +0200
Subject: [PATCH] checkpatch: support deprecated terms checking
Some terms could be deprecated for various reasons, but it is hard to
update the entire old usages. That said, we could at least encourage
new patches to use the suggested replacements. This commit adds check
of deprecated terms in the 'checkpatch.pl' for that. The script will
get deprecated terms and suggested replacements of those from
'scripts/deprecated_terms.txt' file and warn if the deprecated terms are
used. The mechanism and the format of the file are almost the same as
that of 'spelling.txt'. For the reason, this commit modularizes the
read of the 'spelling.txt' and reuses.
Signed-off-by: SeongJae Park <sjpark@...zon.de>
---
scripts/checkpatch.pl | 61 +++++++++++++++++++++++++++---------
scripts/deprecated_terms.txt | 5 +++
2 files changed, 51 insertions(+), 15 deletions(-)
create mode 100644 scripts/deprecated_terms.txt
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 524df88f9364..226f24e1f1f3 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -57,6 +57,7 @@ my $max_line_length = 100;
my $ignore_perl_version = 0;
my $minimum_perl_version = 5.10.0;
my $min_conf_desc_length = 4;
+my $deprecated_terms_file = "$D/deprecated_terms.txt";
my $spelling_file = "$D/spelling.txt";
my $codespell = 0;
my $codespellfile = "/usr/share/codespell/dictionary.txt";
@@ -692,29 +693,41 @@ our $allowed_asm_includes = qr{(?x:
)};
# memory.h: ARM has a custom one
-# Load common spelling mistakes and build regular expression list.
-my $misspellings;
-my %spelling_fix;
+sub read_word_corrections {
+ my ($file) = @_;
+ my $suspects;
+ my %fixes;
-if (open(my $spelling, '<', $spelling_file)) {
- while (<$spelling>) {
- my $line = $_;
+ if (open(my $corrections, '<', $file)) {
+ while (<$corrections>) {
+ my $line = $_;
- $line =~ s/\s*\n?$//g;
- $line =~ s/^\s*//g;
+ $line =~ s/\s*\n?$//g;
+ $line =~ s/^\s*//g;
- next if ($line =~ m/^\s*#/);
- next if ($line =~ m/^\s*$/);
+ next if ($line =~ m/^\s*#/);
+ next if ($line =~ m/^\s*$/);
- my ($suspect, $fix) = split(/\|\|/, $line);
+ my ($suspect, $fix) = split(/\|\|/, $line);
- $spelling_fix{$suspect} = $fix;
+ $fixes{$suspect} = $fix;
+ }
+ close($corrections);
+ } else {
+ warn "No correction will be found - file '$file': $!\n";
}
- close($spelling);
-} else {
- warn "No typos will be found - file '$spelling_file': $!\n";
+
+ return %fixes
}
+# Load deprecated terms and build regular expression list.
+my %deprecated_terms_fix = read_word_corrections($deprecated_terms_file);
+my $deprecated_terms = join("|", sort keys %deprecated_terms_fix) if keys %deprecated_terms_fix;
+
+# Load common spelling mistakes and build regular expression list.
+my $misspellings;
+my %spelling_fix = read_word_corrections($spelling_file);
+
if ($codespell) {
if (open(my $spelling, '<', $codespellfile)) {
while (<$spelling>) {
@@ -2957,6 +2970,24 @@ sub process {
}
}
+# Check for deprecated terms
+ if (defined($deprecated_terms) &&
+ ($in_commit_log || $line =~ /^(?:\+|Subject:)/i)) {
+ while ($rawline =~ /(?:^|[^a-z@])($deprecated_terms)(?:\b|$|[^a-z@])/gi) {
+ my $deprecated_term = $1;
+ my $suggested = $deprecated_terms_fix{lc($deprecated_term)};
+ $suggested = ucfirst($suggested) if ($deprecated_term=~ /^[A-Z]/);
+ $suggested = uc($suggested) if ($deprecated_term =~ /^[A-Z]+$/);
+ my $msg_level = \&WARN;
+ $msg_level = \&CHK if ($file);
+ if (&{$msg_level}("DEPRECATED_TERM",
+ "Use of '$deprecated_term' is deprecated, please '$suggested', instead.\n" . $herecurr) &&
+ $fix) {
+ $fixed[$fixlinenr] =~ s/(^|[^A-Za-z@])($deprecated_term)($|[^A-Za-z@])/$1$suggested$3/;
+ }
+ }
+ }
+
# Check for various typo / spelling mistakes
if (defined($misspellings) &&
($in_commit_log || $line =~ /^(?:\+|Subject:)/i)) {
diff --git a/scripts/deprecated_terms.txt b/scripts/deprecated_terms.txt
new file mode 100644
index 000000000000..6faa06451c3d
--- /dev/null
+++ b/scripts/deprecated_terms.txt
@@ -0,0 +1,5 @@
+# License: GPLv2
+#
+# The format of each line is:
+# deprecated||suggested
+#
--
2.17.1
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