[PATCH 11/12] checkpatch: Create an EXPERIMENTAL --fix option to correct patches
From: Joe Perches
Date: Mon Jun 10 2013 - 18:22:34 EST
Some patches have simple defects in whitespace and formatting that
checkpatch could correct automatically. Attempt to do so.
Add a --fix option to create a "<inputfile>.EXPERIMENTAL-checkpatch-fixes"
file that tries to use normal kernel style for some of these formatting
errors.
Add warnings against using this file without verifying the changes.
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
scripts/checkpatch.pl | 442 ++++++++++++++++++++++++++++++++++++++++----------
1 file changed, 354 insertions(+), 88 deletions(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index ab39ceb..9696be5 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -27,6 +27,7 @@ my $summary = 1;
my $mailback = 0;
my $summary_file = 0;
my $show_types = 0;
+my $fix = 0;
my $root;
my %debug;
my %ignore_type = ();
@@ -63,6 +64,11 @@ Options:
is all off)
--test-only=WORD report only warnings/errors containing WORD
literally
+ --fix EXPERIMENTAL - may create horrible results
+ If correctable single-line errors exist, create
+ "<inputfile>.EXPERIMENTAL-checkpatch-fixes"
+ with potential errors corrected to the preferred
+ checkpatch style
-h, --help, --version display this help and exit
When FILE is - read standard input.
@@ -114,7 +120,7 @@ GetOptions(
'summary!' => \$summary,
'mailback!' => \$mailback,
'summary-file!' => \$summary_file,
-
+ 'fix!' => \$fix,
'debug=s' => \%debug,
'test-only=s' => \$tst_only,
'h|help' => \$help,
@@ -367,6 +373,7 @@ $chk_signoff = 0 if ($file);
my @rawlines = ();
my @lines = ();
+my @fixed = ();
my $vname;
for my $filename (@ARGV) {
my $FILE;
@@ -394,6 +401,7 @@ for my $filename (@ARGV) {
}
@rawlines = ();
@lines = ();
+ @fixed = ();
}
exit($exit);
@@ -434,7 +442,7 @@ sub parse_email {
$comment = $2 if defined $2;
$formatted_email =~ s/$address.*$//;
$name = $formatted_email;
- $name =~ s/^\s+|\s+$//g;
+ $name = trim($name);
$name =~ s/^\"|\"$//g;
# If there's a name left after stripping spaces and
# leading quotes, and the address doesn't have both
@@ -449,9 +457,9 @@ sub parse_email {
}
}
- $name =~ s/^\s+|\s+$//g;
+ $name = trim($name);
$name =~ s/^\"|\"$//g;
- $address =~ s/^\s+|\s+$//g;
+ $address = trim($address);
$address =~ s/^\<|\>$//g;
if ($name =~ /[^\w \-]/i) { ##has "must quote" chars
@@ -467,9 +475,9 @@ sub format_email {
my $formatted_email;
- $name =~ s/^\s+|\s+$//g;
+ $name = trim($name);
$name =~ s/^\"|\"$//g;
- $address =~ s/^\s+|\s+$//g;
+ $address = trim($address);
if ($name =~ /[^\w \-]/i) { ##has "must quote" chars
$name =~ s/(?<!\\)"/\\"/g; ##escape quotes
@@ -1291,19 +1299,25 @@ sub ERROR {
if (report("ERROR", $_[0], $_[1])) {
our $clean = 0;
our $cnt_error++;
+ return 1;
}
+ return 0;
}
sub WARN {
if (report("WARNING", $_[0], $_[1])) {
our $clean = 0;
our $cnt_warn++;
+ return 1;
}
+ return 0;
}
sub CHK {
if ($check && report("CHECK", $_[0], $_[1])) {
our $clean = 0;
our $cnt_chk++;
+ return 1;
}
+ return 0;
}
sub check_absolute_file {
@@ -1334,6 +1348,29 @@ sub check_absolute_file {
}
}
+sub trim {
+ my ($string) = @_;
+
+ $string =~ s/(^\s+|\s+$)//g;
+
+ return $string;
+}
+
+sub tabify {
+ my ($leading) = @_;
+
+ my $source_indent = 8;
+ my $max_spaces_before_tab = $source_indent - 1;
+ my $spaces_to_tab = " " x $source_indent;
+
+ #convert leading spaces to tabs
+ 1 while $leading =~ s@^([\t]*)$spaces_to_tab@$1\t@g;
+ #Remove spaces before a tab
+ 1 while $leading =~ s@^([\t]*)( {1,$max_spaces_before_tab})\t@$1\t@g;
+
+ return "$leading";
+}
+
sub pos_last_openparen {
my ($line) = @_;
@@ -1425,6 +1462,8 @@ sub process {
$linenr++;
$line = $rawline;
+ push(@fixed, $rawline) if ($fix);
+
if ($rawline=~/^\+\+\+\s+(\S+)/) {
$setup_docs = 0;
if ($1 =~ m@Documentation/kernel-parameters.txt$@) {
@@ -1616,16 +1655,29 @@ sub process {
"Non-standard signature: $sign_off\n" . $herecurr);
}
if (defined $space_before && $space_before ne "") {
- WARN("BAD_SIGN_OFF",
- "Do not use whitespace before $ucfirst_sign_off\n" . $herecurr);
+ if (WARN("BAD_SIGN_OFF",
+ "Do not use whitespace before $ucfirst_sign_off\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =
+ "$ucfirst_sign_off $email";
+ }
}
if ($sign_off =~ /-by:$/i && $sign_off ne $ucfirst_sign_off) {
- WARN("BAD_SIGN_OFF",
- "'$ucfirst_sign_off' is the preferred signature form\n" . $herecurr);
+ if (WARN("BAD_SIGN_OFF",
+ "'$ucfirst_sign_off' is the preferred signature form\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =
+ "$ucfirst_sign_off $email";
+ }
+
}
if (!defined $space_after || $space_after ne " ") {
- WARN("BAD_SIGN_OFF",
- "Use a single space after $ucfirst_sign_off\n" . $herecurr);
+ if (WARN("BAD_SIGN_OFF",
+ "Use a single space after $ucfirst_sign_off\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =
+ "$ucfirst_sign_off $email";
+ }
}
my ($email_name, $email_address, $comment) = parse_email($email);
@@ -1715,8 +1767,12 @@ sub process {
} elsif ($rawline =~ /^\+.*\S\s+$/ || $rawline =~ /^\+\s+$/) {
my $herevet = "$here\n" . cat_vet($rawline) . "\n";
- ERROR("TRAILING_WHITESPACE",
- "trailing whitespace\n" . $herevet);
+ if (ERROR("TRAILING_WHITESPACE",
+ "trailing whitespace\n" . $herevet) &&
+ $fix) {
+ $fixed[$linenr - 1] =~ s/^(\+.*?)\s+$/$1/;
+ }
+
$rpt_cleaners = 1;
}
@@ -1811,8 +1867,12 @@ sub process {
# check for spaces before a quoted newline
if ($rawline =~ /^.*\".*\s\\n/) {
- WARN("QUOTED_WHITESPACE_BEFORE_NEWLINE",
- "unnecessary whitespace before a quoted newline\n" . $herecurr);
+ if (WARN("QUOTED_WHITESPACE_BEFORE_NEWLINE",
+ "unnecessary whitespace before a quoted newline\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~ s/^(\+.*\".*)\s+\\n/$1\\n/;
+ }
+
}
# check for adding lines without a newline.
@@ -1843,16 +1903,23 @@ sub process {
if ($rawline =~ /^\+\s* \t\s*\S/ ||
$rawline =~ /^\+\s* \s*/) {
my $herevet = "$here\n" . cat_vet($rawline) . "\n";
- ERROR("CODE_INDENT",
- "code indent should use tabs where possible\n" . $herevet);
$rpt_cleaners = 1;
+ if (ERROR("CODE_INDENT",
+ "code indent should use tabs where possible\n" . $herevet) &&
+ $fix) {
+ $fixed[$linenr - 1] =~ s/^\+([ \t]+)/"\+" . tabify($1)/e;
+ }
}
# check for space before tabs.
if ($rawline =~ /^\+/ && $rawline =~ / \t/) {
my $herevet = "$here\n" . cat_vet($rawline) . "\n";
- WARN("SPACE_BEFORE_TAB",
- "please, no space before tabs\n" . $herevet);
+ if (WARN("SPACE_BEFORE_TAB",
+ "please, no space before tabs\n" . $herevet) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/(^\+.*) +\t/$1\t/;
+ }
}
# check for && or || at the start of a line
@@ -1880,15 +1947,24 @@ sub process {
if ($newindent ne $goodtabindent &&
$newindent ne $goodspaceindent) {
- CHK("PARENTHESIS_ALIGNMENT",
- "Alignment should match open parenthesis\n" . $hereprev);
+
+ if (CHK("PARENTHESIS_ALIGNMENT",
+ "Alignment should match open parenthesis\n" . $hereprev) &&
+ $fix && $line =~ /^\+/) {
+ $fixed[$linenr - 1] =~
+ s/^\+[ \t]*/\+$goodtabindent/;
+ }
}
}
}
if ($line =~ /^\+.*\*[ \t]*\)[ \t]+(?!$Assignment|$Arithmetic)/) {
- CHK("SPACING",
- "No space is necessary after a cast\n" . $hereprev);
+ if (CHK("SPACING",
+ "No space is necessary after a cast\n" . $hereprev) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/^(\+.*\*[ \t]*\))[ \t]+/$1/;
+ }
}
if ($realfile =~ m@^(drivers/net/|net/)@ &&
@@ -1920,10 +1996,13 @@ sub process {
# 1) within comments
# 2) indented preprocessor commands
# 3) hanging labels
- if ($rawline =~ /^\+ / && $line !~ /\+ *(?:$;|#|$Ident:)/) {
+ if ($rawline =~ /^\+ / && $line !~ /^\+ *(?:$;|#|$Ident:)/) {
my $herevet = "$here\n" . cat_vet($rawline) . "\n";
- WARN("LEADING_SPACE",
- "please, no spaces at the start of a line\n" . $herevet);
+ if (WARN("LEADING_SPACE",
+ "please, no spaces at the start of a line\n" . $herevet) &&
+ $fix) {
+ $fixed[$linenr - 1] =~ s/^\+([ \t]+)/"\+" . tabify($1)/e;
+ }
}
# check we are in a valid C source file if not then ignore this hunk
@@ -2213,7 +2292,7 @@ sub process {
$prev_values = substr($curr_values, -1);
#ignore lines not being added
- if ($line=~/^[^\+]/) {next;}
+ next if ($line =~ /^[^\+]/);
# TEST: allow direct testing of the type matcher.
if ($dbg_type) {
@@ -2264,8 +2343,15 @@ sub process {
# no C99 // comments
if ($line =~ m{//}) {
- ERROR("C99_COMMENTS",
- "do not use C99 // comments\n" . $herecurr);
+ if (ERROR("C99_COMMENTS",
+ "do not use C99 // comments\n" . $herecurr) &&
+ $fix) {
+ my $line = $fixed[$linenr - 1];
+ if ($line =~ /\/\/(.*)$/) {
+ my $comment = trim($1);
+ $fixed[$linenr - 1] =~ s@\/\/(.*)$@/\* $comment \*/@;
+ }
+ }
}
# Remove C99 comments.
$line =~ s@//.*@@;
@@ -2364,7 +2450,7 @@ sub process {
# (char*[ const])
while ($line =~ m{(\($NonptrType(\s*(?:$Modifier\b\s*|\*\s*)+)\))}g) {
#print "AA<$1>\n";
- my ($from, $to) = ($2, $2);
+ my ($ident, $from, $to) = ($1, $2, $2);
# Should start with a space.
$to =~ s/^(\S)/ $1/;
@@ -2374,15 +2460,22 @@ sub process {
while ($to =~ s/\*\s+\*/\*\*/) {
}
- #print "from<$from> to<$to>\n";
+## print "1: from<$from> to<$to> ident<$ident>\n";
if ($from ne $to) {
- ERROR("POINTER_LOCATION",
- "\"(foo$from)\" should be \"(foo$to)\"\n" . $herecurr);
+ if (ERROR("POINTER_LOCATION",
+ "\"(foo$from)\" should be \"(foo$to)\"\n" . $herecurr) &&
+ $fix) {
+ my $sub_from = $ident;
+ my $sub_to = $ident;
+ $sub_to =~ s/\Q$from\E/$to/;
+ $fixed[$linenr - 1] =~
+ s@\Q$sub_from\E@$sub_to@;
+ }
}
}
while ($line =~ m{(\b$NonptrType(\s*(?:$Modifier\b\s*|\*\s*)+)($Ident))}g) {
#print "BB<$1>\n";
- my ($from, $to, $ident) = ($2, $2, $3);
+ my ($match, $from, $to, $ident) = ($1, $2, $2, $3);
# Should start with a space.
$to =~ s/^(\S)/ $1/;
@@ -2394,10 +2487,18 @@ sub process {
# Modifiers should have spaces.
$to =~ s/(\b$Modifier$)/$1 /;
- #print "from<$from> to<$to> ident<$ident>\n";
+## print "2: from<$from> to<$to> ident<$ident>\n";
if ($from ne $to && $ident !~ /^$Modifier$/) {
- ERROR("POINTER_LOCATION",
- "\"foo${from}bar\" should be \"foo${to}bar\"\n" . $herecurr);
+ if (ERROR("POINTER_LOCATION",
+ "\"foo${from}bar\" should be \"foo${to}bar\"\n" . $herecurr) &&
+ $fix) {
+
+ my $sub_from = $match;
+ my $sub_to = $match;
+ $sub_to =~ s/\Q$from\E/$to/;
+ $fixed[$linenr - 1] =~
+ s@\Q$sub_from\E@$sub_to@;
+ }
}
}
@@ -2483,9 +2584,13 @@ sub process {
}
# missing space after union, struct or enum definition
- if ($line =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident)?(?:\s+$Ident)?[=\{]/) {
- WARN("SPACING",
- "missing space after $1 definition\n" . $herecurr);
+ if ($line =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident){1,2}[=\{]/) {
+ if (WARN("SPACING",
+ "missing space after $1 definition\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/^(.\s*(?:typedef\s+)?(?:enum|union|struct)(?:\s+$Ident){1,2})([=\{])/$1 $2/;
+ }
}
# check for spacing round square brackets; allowed:
@@ -2497,8 +2602,12 @@ sub process {
if ($prefix !~ /$Type\s+$/ &&
($where != 0 || $prefix !~ /^.\s+$/) &&
$prefix !~ /[{,]\s+$/) {
- ERROR("BRACKET_SPACE",
- "space prohibited before open square bracket '['\n" . $herecurr);
+ if (ERROR("BRACKET_SPACE",
+ "space prohibited before open square bracket '['\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/^(\+.*?)\s+\[/$1\[/;
+ }
}
}
@@ -2515,7 +2624,6 @@ sub process {
__attribute__|format|__extension__|
asm|__asm__)$/x)
{
-
# cpp #define statements have non-optional spaces, ie
# if there is a space between the name and the open
# parenthesis it is simply not a parameter group.
@@ -2529,19 +2637,30 @@ sub process {
} elsif ($ctx =~ /$Type$/) {
} else {
- WARN("SPACING",
- "space prohibited between function name and open parenthesis '('\n" . $herecurr);
+ if (WARN("SPACING",
+ "space prohibited between function name and open parenthesis '('\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/\b$name\s+\(/$name\(/;
+ }
}
}
# check for whitespace before a non-naked semicolon
if ($line =~ /^\+.*\S\s+;/) {
- WARN("SPACING",
- "space prohibited before semicolon\n" . $herecurr);
+ if (WARN("SPACING",
+ "space prohibited before semicolon\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/^(\+.*\S)\s+;/$1;/;
+ }
}
# Check operator spacing.
if (!($line=~/\#\s*include/)) {
+ my $fixed_line = "";
+ my $line_fixed = 0;
+
my $ops = qr{
<<=|>>=|<=|>=|==|!=|
\+=|-=|\*=|\/=|%=|\^=|\|=|&=|
@@ -2550,11 +2669,30 @@ sub process {
\?|:
}x;
my @elements = split(/($ops|;)/, $opline);
+
+## print("element count: <" . $#elements . ">\n");
+## foreach my $el (@elements) {
+## print("el: <$el>\n");
+## }
+
+ my @fix_elements = ();
my $off = 0;
+ foreach my $el (@elements) {
+ push(@fix_elements, substr($rawline, $off, length($el)));
+ $off += length($el);
+ }
+
+ $off = 0;
+
my $blank = copy_spacing($opline);
for (my $n = 0; $n < $#elements; $n += 2) {
+
+ my $good = $fix_elements[$n] . $fix_elements[$n + 1];
+
+## print("n: <$n> good: <$good>\n");
+
$off += length($elements[$n]);
# Pick up the preceding and succeeding characters.
@@ -2611,8 +2749,11 @@ sub process {
} elsif ($op eq ';') {
if ($ctx !~ /.x[WEBC]/ &&
$cc !~ /^\\/ && $cc !~ /^;/) {
- ERROR("SPACING",
- "space required after that '$op' $at\n" . $hereptr);
+ if (ERROR("SPACING",
+ "space required after that '$op' $at\n" . $hereptr)) {
+ $good = trim($fix_elements[$n]) . " " . trim($fix_elements[$n + 1]) . " ";
+ $line_fixed = 1;
+ }
}
# // is a comment
@@ -2623,15 +2764,24 @@ sub process {
# : when part of a bitfield
} elsif ($op eq '->' || $opv eq ':B') {
if ($ctx =~ /Wx.|.xW/) {
- ERROR("SPACING",
- "spaces prohibited around that '$op' $at\n" . $hereptr);
+ if (ERROR("SPACING",
+ "spaces prohibited around that '$op' $at\n" . $hereptr)) {
+ $good = trim($fix_elements[$n]) . trim($fix_elements[$n + 1]);
+ $line_fixed = 1;
+ if (defined $fix_elements[$n + 2]) {
+ $fix_elements[$n + 2] =~ s/^\s+//;
+ }
+ }
}
# , must have a space on the right.
} elsif ($op eq ',') {
if ($ctx !~ /.x[WEC]/ && $cc !~ /^}/) {
- ERROR("SPACING",
- "space required after that '$op' $at\n" . $hereptr);
+ if (ERROR("SPACING",
+ "space required after that '$op' $at\n" . $hereptr)) {
+ $good = trim($fix_elements[$n]) . trim($fix_elements[$n + 1]) . " ";
+ $line_fixed = 1;
+ }
}
# '*' as part of a type definition -- reported already.
@@ -2645,34 +2795,58 @@ sub process {
$opv eq '*U' || $opv eq '-U' ||
$opv eq '&U' || $opv eq '&&U') {
if ($ctx !~ /[WEBC]x./ && $ca !~ /(?:\)|!|~|\*|-|\&|\||\+\+|\-\-|\{)$/) {
- ERROR("SPACING",
- "space required before that '$op' $at\n" . $hereptr);
+ if (ERROR("SPACING",
+ "space required before that '$op' $at\n" . $hereptr)) {
+ $good = trim($fix_elements[$n]) . " " . trim($fix_elements[$n + 1]);
+ $line_fixed = 1;
+ }
}
if ($op eq '*' && $cc =~/\s*$Modifier\b/) {
# A unary '*' may be const
} elsif ($ctx =~ /.xW/) {
- ERROR("SPACING",
- "space prohibited after that '$op' $at\n" . $hereptr);
+ if (ERROR("SPACING",
+ "space prohibited after that '$op' $at\n" . $hereptr)) {
+ $fixed_line =~ s/\s+$//;
+ $good = trim($fix_elements[$n]) . trim($fix_elements[$n + 1]);
+ $line_fixed = 1;
+ if (defined $fix_elements[$n + 2]) {
+ $fix_elements[$n + 2] =~ s/^\s+//;
+ }
+ }
}
# unary ++ and unary -- are allowed no space on one side.
} elsif ($op eq '++' or $op eq '--') {
if ($ctx !~ /[WEOBC]x[^W]/ && $ctx !~ /[^W]x[WOBEC]/) {
- ERROR("SPACING",
- "space required one side of that '$op' $at\n" . $hereptr);
+ if (ERROR("SPACING",
+ "space required one side of that '$op' $at\n" . $hereptr)) {
+ $fixed_line =~ s/\s+$//;
+ $good = trim($fix_elements[$n]) . trim($fix_elements[$n + 1]) . " ";
+ $line_fixed = 1;
+ }
}
if ($ctx =~ /Wx[BE]/ ||
($ctx =~ /Wx./ && $cc =~ /^;/)) {
- ERROR("SPACING",
- "space prohibited before that '$op' $at\n" . $hereptr);
+ if (ERROR("SPACING",
+ "space prohibited before that '$op' $at\n" . $hereptr)) {
+ $fixed_line =~ s/\s+$//;
+ $good = trim($fix_elements[$n]) . trim($fix_elements[$n + 1]);
+ $line_fixed = 1;
+ }
}
if ($ctx =~ /ExW/) {
- ERROR("SPACING",
- "space prohibited after that '$op' $at\n" . $hereptr);
+ if (ERROR("SPACING",
+ "space prohibited after that '$op' $at\n" . $hereptr)) {
+ $fixed_line =~ s/\s+$//;
+ $good = trim($fix_elements[$n]) . trim($fix_elements[$n + 1]);
+ $line_fixed = 1;
+ if (defined $fix_elements[$n + 2]) {
+ $fix_elements[$n + 2] =~ s/^\s+//;
+ }
+ }
}
-
# << and >> may either have or not have spaces both sides
} elsif ($op eq '<<' or $op eq '>>' or
$op eq '&' or $op eq '^' or $op eq '|' or
@@ -2681,17 +2855,23 @@ sub process {
$op eq '%')
{
if ($ctx =~ /Wx[^WCE]|[^WCE]xW/) {
- ERROR("SPACING",
- "need consistent spacing around '$op' $at\n" .
- $hereptr);
+ if (ERROR("SPACING",
+ "need consistent spacing around '$op' $at\n" . $hereptr)) {
+ $fixed_line =~ s/\s+$//;
+ $good = trim($fix_elements[$n]) . " " . trim($fix_elements[$n + 1]) . " ";
+ $line_fixed = 1;
+ }
}
# A colon needs no spaces before when it is
# terminating a case value or a label.
} elsif ($opv eq ':C' || $opv eq ':L') {
if ($ctx =~ /Wx./) {
- ERROR("SPACING",
- "space prohibited before that '$op' $at\n" . $hereptr);
+ if (ERROR("SPACING",
+ "space prohibited before that '$op' $at\n" . $hereptr)) {
+ $good = trim($fix_elements[$n]) . trim($fix_elements[$n + 1]);
+ $line_fixed = 1;
+ }
}
# All the others need spaces both sides.
@@ -2714,12 +2894,30 @@ sub process {
}
if ($ok == 0) {
- ERROR("SPACING",
- "spaces required around that '$op' $at\n" . $hereptr);
+ if (ERROR("SPACING",
+ "spaces required around that '$op' $at\n" . $hereptr)) {
+ $good = trim($fix_elements[$n]) . " " . trim($fix_elements[$n + 1]) . " ";
+ $good = $fix_elements[$n] . " " . trim($fix_elements[$n + 1]) . " ";
+ $line_fixed = 1;
+ }
}
}
$off += length($elements[$n + 1]);
+
+## print("n: <$n> GOOD: <$good>\n");
+
+ $fixed_line = $fixed_line . $good;
+ }
+
+ if (($#elements % 2) == 0) {
+ $fixed_line = $fixed_line . $fix_elements[$#elements];
}
+
+ if ($fix && $line_fixed && $fixed_line ne $fixed[$linenr - 1]) {
+ $fixed[$linenr - 1] = $fixed_line;
+ }
+
+
}
# check for multiple assignments
@@ -2747,8 +2945,12 @@ sub process {
#need space before brace following if, while, etc
if (($line =~ /\(.*\){/ && $line !~ /\($Type\){/) ||
$line =~ /do{/) {
- ERROR("SPACING",
- "space required before the open brace '{'\n" . $herecurr);
+ if (ERROR("SPACING",
+ "space required before the open brace '{'\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/^(\+.*(?:do|\))){/$1 {/;
+ }
}
## # check for blank lines before declarations
@@ -2768,32 +2970,52 @@ sub process {
# check spacing on square brackets
if ($line =~ /\[\s/ && $line !~ /\[\s*$/) {
- ERROR("SPACING",
- "space prohibited after that open square bracket '['\n" . $herecurr);
+ if (ERROR("SPACING",
+ "space prohibited after that open square bracket '['\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/\[\s+/\[/;
+ }
}
if ($line =~ /\s\]/) {
- ERROR("SPACING",
- "space prohibited before that close square bracket ']'\n" . $herecurr);
+ if (ERROR("SPACING",
+ "space prohibited before that close square bracket ']'\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/\s+\]/\]/;
+ }
}
# check spacing on parentheses
if ($line =~ /\(\s/ && $line !~ /\(\s*(?:\\)?$/ &&
$line !~ /for\s*\(\s+;/) {
- ERROR("SPACING",
- "space prohibited after that open parenthesis '('\n" . $herecurr);
+ if (ERROR("SPACING",
+ "space prohibited after that open parenthesis '('\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/\(\s+/\(/;
+ }
}
if ($line =~ /(\s+)\)/ && $line !~ /^.\s*\)/ &&
$line !~ /for\s*\(.*;\s+\)/ &&
$line !~ /:\s+\)/) {
- ERROR("SPACING",
- "space prohibited before that close parenthesis ')'\n" . $herecurr);
+ if (ERROR("SPACING",
+ "space prohibited before that close parenthesis ')'\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/\s+\)/\)/;
+ }
}
#goto labels aren't indented, allow a single space however
if ($line=~/^.\s+[A-Za-z\d_]+:(?![0-9]+)/ and
!($line=~/^. [A-Za-z\d_]+:/) and !($line=~/^.\s+default:/)) {
- WARN("INDENTED_LABEL",
- "labels should not be indented\n" . $herecurr);
+ if (WARN("INDENTED_LABEL",
+ "labels should not be indented\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/^(.)\s+/$1/;
+ }
}
# Return is not a function.
@@ -2830,8 +3052,13 @@ sub process {
}
# Need a space before open parenthesis after if, while etc
- if ($line=~/\b(if|while|for|switch)\(/) {
- ERROR("SPACING", "space required before the open parenthesis '('\n" . $herecurr);
+ if ($line =~ /\b(if|while|for|switch)\(/) {
+ if (ERROR("SPACING",
+ "space required before the open parenthesis '('\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/\b(if|while|for|switch)\(/$1 \(/;
+ }
}
# Check for illegal assignment in if conditional -- and check for trailing
@@ -3329,8 +3556,13 @@ sub process {
# warn about spacing in #ifdefs
if ($line =~ /^.\s*\#\s*(ifdef|ifndef|elif)\s\s+/) {
- ERROR("SPACING",
- "exactly one space required after that #$1\n" . $herecurr);
+ if (ERROR("SPACING",
+ "exactly one space required after that #$1\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~
+ s/^(.\s*\#\s*(ifdef|ifndef|elif))\s{2,}/$1 /;
+ }
+
}
# check for spinlock_t definitions without a comment.
@@ -3793,6 +4025,40 @@ sub process {
print "\n\n";
}
+ if ($clean == 0 && $fix && "@rawlines" ne "@fixed") {
+ my $newfile = $filename . ".EXPERIMENTAL-checkpatch-fixes";
+ my $linecount = 0;
+ my $f;
+
+ open($f, '>', $newfile)
+ or die "$P: Can't open $newfile for write\n";
+ foreach my $fixed_line (@fixed) {
+ $linecount++;
+ if ($file) {
+ if ($linecount > 3) {
+ $fixed_line =~ s/^\+//;
+ print $f $fixed_line. "\n";
+ }
+ } else {
+ print $f $fixed_line . "\n";
+ }
+ }
+ close($f);
+
+ if (!$quiet) {
+ print << "EOM";
+Wrote EXPERIMENTAL --fix correction(s) to '$newfile'
+
+Do _NOT_ trust the results written to this file.
+Do _NOT_ submit these changes without inspecting them for correctness.
+
+This EXPERIMENTAL file is simply a convenience to help rewrite patches.
+No warranties, expressed or implied...
+
+EOM
+ }
+ }
+
if ($clean == 1 && $quiet == 0) {
print "$vname has no obvious style problems and is ready for submission.\n"
}
--
1.8.1.2.459.gbcd45b4.dirty
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