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Date: Tue, 8 Jul 2014 10:53:35 -0700
From: Joe Perches <joe@...ches.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Andy Whitcroft <apw@...onical.com>,
Dan Carpenter <dan.carpenter@...cle.com>,
Josh Triplett <josh@...htriplett.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] checkpatch: Add an index variable for fixed lines
Make the fix code a bit easier to read.
This should also start to allow an easier mechanism to insert/delete
lines eventually too.
Signed-off-by: Joe Perches <joe@...ches.com>
---
scripts/checkpatch.pl | 114 ++++++++++++++++++++++++++------------------------
1 file changed, 60 insertions(+), 54 deletions(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 496f9ab..ecb8290 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -583,6 +583,8 @@ $chk_signoff = 0 if ($file);
my @rawlines = ();
my @lines = ();
my @fixed = ();
+my $fixlinenr = -1;
+
my $vname;
for my $filename (@ARGV) {
my $FILE;
@@ -611,6 +613,7 @@ for my $filename (@ARGV) {
@rawlines = ();
@lines = ();
@fixed = ();
+ $fixlinenr = -1;
}
exit($exit);
@@ -1801,8 +1804,10 @@ sub process {
$realcnt = 0;
$linenr = 0;
+ $fixlinenr = -1;
foreach my $line (@lines) {
$linenr++;
+ $fixlinenr++;
my $sline = $line; #copy of $line
$sline =~ s/$;/ /g; #with comments as spaces
@@ -1933,7 +1938,7 @@ sub process {
if (WARN("BAD_SIGN_OFF",
"Do not use whitespace before $ucfirst_sign_off\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =
+ $fixed[$fixlinenr] =
"$ucfirst_sign_off $email";
}
}
@@ -1941,7 +1946,7 @@ sub process {
if (WARN("BAD_SIGN_OFF",
"'$ucfirst_sign_off' is the preferred signature form\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =
+ $fixed[$fixlinenr] =
"$ucfirst_sign_off $email";
}
@@ -1950,7 +1955,7 @@ sub process {
if (WARN("BAD_SIGN_OFF",
"Use a single space after $ucfirst_sign_off\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =
+ $fixed[$fixlinenr] =
"$ucfirst_sign_off $email";
}
}
@@ -2078,14 +2083,14 @@ sub process {
if (ERROR("DOS_LINE_ENDINGS",
"DOS line endings\n" . $herevet) &&
$fix) {
- $fixed[$linenr - 1] =~ s/[\s\015]+$//;
+ $fixed[$fixlinenr] =~ s/[\s\015]+$//;
}
} elsif ($rawline =~ /^\+.*\S\s+$/ || $rawline =~ /^\+\s+$/) {
my $herevet = "$here\n" . cat_vet($rawline) . "\n";
if (ERROR("TRAILING_WHITESPACE",
"trailing whitespace\n" . $herevet) &&
$fix) {
- $fixed[$linenr - 1] =~ s/\s+$//;
+ $fixed[$fixlinenr] =~ s/\s+$//;
}
$rpt_cleaners = 1;
@@ -2224,7 +2229,7 @@ sub process {
if (WARN("QUOTED_WHITESPACE_BEFORE_NEWLINE",
"unnecessary whitespace before a quoted newline\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/^(\+.*\".*)\s+\\n/$1\\n/;
+ $fixed[$fixlinenr] =~ s/^(\+.*\".*)\s+\\n/$1\\n/;
}
}
@@ -2261,7 +2266,7 @@ sub process {
if (ERROR("CODE_INDENT",
"code indent should use tabs where possible\n" . $herevet) &&
$fix) {
- $fixed[$linenr - 1] =~ s/^\+([ \t]+)/"\+" . tabify($1)/e;
+ $fixed[$fixlinenr] =~ s/^\+([ \t]+)/"\+" . tabify($1)/e;
}
}
@@ -2271,9 +2276,9 @@ sub process {
if (WARN("SPACE_BEFORE_TAB",
"please, no space before tabs\n" . $herevet) &&
$fix) {
- while ($fixed[$linenr - 1] =~
+ while ($fixed[$fixlinenr] =~
s/(^\+.*) {8,8}+\t/$1\t\t/) {}
- while ($fixed[$linenr - 1] =~
+ while ($fixed[$fixlinenr] =~
s/(^\+.*) +\t/$1\t/) {}
}
}
@@ -2307,7 +2312,7 @@ sub process {
if (CHK("PARENTHESIS_ALIGNMENT",
"Alignment should match open parenthesis\n" . $hereprev) &&
$fix && $line =~ /^\+/) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/^\+[ \t]*/\+$goodtabindent/;
}
}
@@ -2318,7 +2323,7 @@ sub process {
if (CHK("SPACING",
"No space is necessary after a cast\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/(\(\s*$Type\s*\))[ \t]+/$1/;
}
}
@@ -2422,7 +2427,7 @@ sub process {
if (WARN("LEADING_SPACE",
"please, no spaces at the start of a line\n" . $herevet) &&
$fix) {
- $fixed[$linenr - 1] =~ s/^\+([ \t]+)/"\+" . tabify($1)/e;
+ $fixed[$fixlinenr] =~ s/^\+([ \t]+)/"\+" . tabify($1)/e;
}
}
@@ -2777,10 +2782,10 @@ sub process {
if (ERROR("C99_COMMENTS",
"do not use C99 // comments\n" . $herecurr) &&
$fix) {
- my $line = $fixed[$linenr - 1];
+ my $line = $fixed[$fixlinenr];
if ($line =~ /\/\/(.*)$/) {
my $comment = trim($1);
- $fixed[$linenr - 1] =~ s@\/\/(.*)$@/\* $comment \*/@;
+ $fixed[$fixlinenr] =~ s@\/\/(.*)$@/\* $comment \*/@;
}
}
}
@@ -2839,7 +2844,7 @@ sub process {
"do not initialise globals to 0 or NULL\n" .
$herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/($Type\s*$Ident\s*(?:\s+$Modifier))*\s*=\s*(0|NULL|false)\s*;/$1;/;
+ $fixed[$fixlinenr] =~ s/($Type\s*$Ident\s*(?:\s+$Modifier))*\s*=\s*(0|NULL|false)\s*;/$1;/;
}
}
# check for static initialisers.
@@ -2848,7 +2853,7 @@ sub process {
"do not initialise statics to 0 or NULL\n" .
$herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/(\bstatic\s.*?)\s*=\s*(0|NULL|false)\s*;/$1;/;
+ $fixed[$fixlinenr] =~ s/(\bstatic\s.*?)\s*=\s*(0|NULL|false)\s*;/$1;/;
}
}
@@ -2878,7 +2883,7 @@ sub process {
if (ERROR("FUNCTION_WITHOUT_ARGS",
"Bad function definition - $1() should probably be $1(void)\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/(\b($Type)\s+($Ident))\s*\(\s*\)/$2 $3(void)/;
+ $fixed[$fixlinenr] =~ s/(\b($Type)\s+($Ident))\s*\(\s*\)/$2 $3(void)/;
}
}
@@ -2887,7 +2892,7 @@ sub process {
if (WARN("DEFINE_PCI_DEVICE_TABLE",
"Prefer struct pci_device_id over deprecated DEFINE_PCI_DEVICE_TABLE\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/\b(?:static\s+|)DEFINE_PCI_DEVICE_TABLE\s*\(\s*(\w+)\s*\)\s*=\s*/static const struct pci_device_id $1\[\] = /;
+ $fixed[$fixlinenr] =~ s/\b(?:static\s+|)DEFINE_PCI_DEVICE_TABLE\s*\(\s*(\w+)\s*\)\s*=\s*/static const struct pci_device_id $1\[\] = /;
}
}
@@ -2924,7 +2929,7 @@ sub process {
my $sub_from = $ident;
my $sub_to = $ident;
$sub_to =~ s/\Q$from\E/$to/;
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s@\Q$sub_from\E@...b_to@;
}
}
@@ -2952,7 +2957,7 @@ sub process {
my $sub_from = $match;
my $sub_to = $match;
$sub_to =~ s/\Q$from\E/$to/;
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s@\Q$sub_from\E@...b_to@;
}
}
@@ -3014,7 +3019,7 @@ sub process {
if (WARN("PREFER_PR_LEVEL",
"Prefer pr_warn(... to pr_warning(...\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/\bpr_warning\b/pr_warn/;
}
}
@@ -3048,7 +3053,7 @@ sub process {
if (WARN("SPACING",
"missing space after $1 definition\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/^(.\s*(?:typedef\s+)?(?:enum|union|struct)(?:\s+$Ident){1,2})([=\{])/$1 $2/;
}
}
@@ -3118,7 +3123,7 @@ sub process {
}
if (show_type("SPACING") && $fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/^(.\s*)$Declare\s*\(\s*\*\s*$Ident\s*\)\s*\(/$1 . $declare . $post_declare_space . '(*' . $funcname . ')('/ex;
}
}
@@ -3135,7 +3140,7 @@ sub process {
if (ERROR("BRACKET_SPACE",
"space prohibited before open square bracket '['\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/^(\+.*?)\s+\[/$1\[/;
}
}
@@ -3170,7 +3175,7 @@ sub process {
if (WARN("SPACING",
"space prohibited between function name and open parenthesis '('\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/\b$name\s+\(/$name\(/;
}
}
@@ -3438,8 +3443,8 @@ sub process {
$fixed_line = $fixed_line . $fix_elements[$#elements];
}
- if ($fix && $line_fixed && $fixed_line ne $fixed[$linenr - 1]) {
- $fixed[$linenr - 1] = $fixed_line;
+ if ($fix && $line_fixed && $fixed_line ne $fixed[$fixlinenr]) {
+ $fixed[$fixlinenr] = $fixed_line;
}
@@ -3450,7 +3455,7 @@ sub process {
if (WARN("SPACING",
"space prohibited before semicolon\n" . $herecurr) &&
$fix) {
- 1 while $fixed[$linenr - 1] =~
+ 1 while $fixed[$fixlinenr] =~
s/^(\+.*\S)\s+;/$1;/;
}
}
@@ -3483,7 +3488,7 @@ sub process {
if (ERROR("SPACING",
"space required before the open brace '{'\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/^(\+.*(?:do|\))){/$1 {/;
+ $fixed[$fixlinenr] =~ s/^(\+.*(?:do|\))){/$1 {/;
}
}
@@ -3501,7 +3506,7 @@ sub process {
if (ERROR("SPACING",
"space required after that close brace '}'\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/}((?!(?:,|;|\)))\S)/} $1/;
}
}
@@ -3511,7 +3516,7 @@ sub process {
if (ERROR("SPACING",
"space prohibited after that open square bracket '['\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/\[\s+/\[/;
}
}
@@ -3519,7 +3524,7 @@ sub process {
if (ERROR("SPACING",
"space prohibited before that close square bracket ']'\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/\s+\]/\]/;
}
}
@@ -3530,7 +3535,7 @@ sub process {
if (ERROR("SPACING",
"space prohibited after that open parenthesis '('\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/\(\s+/\(/;
}
}
@@ -3540,7 +3545,8 @@ sub process {
if (ERROR("SPACING",
"space prohibited before that close parenthesis ')'\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ print("fixlinenr: <$fixlinenr> fixed[fixlinenr]: <$fixed[$fixlinenr]>\n");
+ $fixed[$fixlinenr] =~
s/\s+\)/\)/;
}
}
@@ -3559,7 +3565,7 @@ sub process {
if (WARN("INDENTED_LABEL",
"labels should not be indented\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/^(.)\s+/$1/;
}
}
@@ -3621,7 +3627,7 @@ sub process {
if (ERROR("SPACING",
"space required before the open parenthesis '('\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/\b(if|while|for|switch)\(/$1 \(/;
}
}
@@ -3758,7 +3764,7 @@ sub process {
"Avoid gcc v4.3+ binary constant extension: <$var>\n" . $herecurr) &&
$fix) {
my $hexval = sprintf("0x%x", oct($var));
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/\b$var\b/$hexval/;
}
}
@@ -3794,7 +3800,7 @@ sub process {
if (WARN("WHITESPACE_AFTER_LINE_CONTINUATION",
"Whitespace after \\ makes next lines useless\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/\s+$//;
+ $fixed[$fixlinenr] =~ s/\s+$//;
}
}
@@ -4149,7 +4155,7 @@ sub process {
WARN("MISPLACED_INIT",
"$attr should be placed after $var\n" . $herecurr))) &&
$fix) {
- $fixed[$linenr - 1] =~ s/(\bstatic\s+(?:const\s+)?)(?:$attr\s+)?($NonptrTypeWithAttr)\s+(?:$attr\s+)?($Ident(?:\[[^]]*\])?)\s*([=;])\s*/"$1" . trim(string_find_replace($2, "\\s*$attr\\s*", " ")) . " " . trim(string_find_replace($3, "\\s*$attr\\s*", "")) . " $attr" . ("$4" eq ";" ? ";" : " = ")/e;
+ $fixed[$fixlinenr] =~ s/(\bstatic\s+(?:const\s+)?)(?:$attr\s+)?($NonptrTypeWithAttr)\s+(?:$attr\s+)?($Ident(?:\[[^]]*\])?)\s*([=;])\s*/"$1" . trim(string_find_replace($2, "\\s*$attr\\s*", " ")) . " " . trim(string_find_replace($3, "\\s*$attr\\s*", "")) . " $attr" . ("$4" eq ";" ? ";" : " = ")/e;
}
}
}
@@ -4163,7 +4169,7 @@ sub process {
if (ERROR("INIT_ATTRIBUTE",
"Use of const init definition must use ${attr_prefix}initconst\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/$InitAttributeData/${attr_prefix}initconst/;
}
}
@@ -4174,12 +4180,12 @@ sub process {
if (ERROR("INIT_ATTRIBUTE",
"Use of $attr requires a separate use of const\n" . $herecurr) &&
$fix) {
- my $lead = $fixed[$linenr - 1] =~
+ my $lead = $fixed[$fixlinenr] =~
/(^\+\s*(?:static\s+))/;
$lead = rtrim($1);
$lead = "$lead " if ($lead !~ /^\+$/);
$lead = "${lead}const ";
- $fixed[$linenr - 1] =~ s/(^\+\s*(?:static\s+))/$lead/;
+ $fixed[$fixlinenr] =~ s/(^\+\s*(?:static\s+))/$lead/;
}
}
@@ -4192,7 +4198,7 @@ sub process {
if (WARN("CONSTANT_CONVERSION",
"$constant_func should be $func\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/\b$constant_func\b/$func/g;
+ $fixed[$fixlinenr] =~ s/\b$constant_func\b/$func/g;
}
}
@@ -4242,7 +4248,7 @@ sub process {
if (ERROR("SPACING",
"exactly one space required after that #$1\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~
+ $fixed[$fixlinenr] =~
s/^(.\s*\#\s*(ifdef|ifndef|elif))\s{2,}/$1 /;
}
@@ -4290,7 +4296,7 @@ sub process {
if (WARN("INLINE",
"plain inline is preferred over $1\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/\b(__inline__|__inline)\b/inline/;
+ $fixed[$fixlinenr] =~ s/\b(__inline__|__inline)\b/inline/;
}
}
@@ -4315,7 +4321,7 @@ sub process {
if (WARN("PREFER_PRINTF",
"__printf(string-index, first-to-check) is preferred over __attribute__((format(printf, string-index, first-to-check)))\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.*)\)\s*\)\s*\)/"__printf(" . trim($1) . ")"/ex;
+ $fixed[$fixlinenr] =~ s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.*)\)\s*\)\s*\)/"__printf(" . trim($1) . ")"/ex;
}
}
@@ -4326,7 +4332,7 @@ sub process {
if (WARN("PREFER_SCANF",
"__scanf(string-index, first-to-check) is preferred over __attribute__((format(scanf, string-index, first-to-check)))\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*scanf\s*,\s*(.*)\)\s*\)\s*\)/"__scanf(" . trim($1) . ")"/ex;
+ $fixed[$fixlinenr] =~ s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*scanf\s*,\s*(.*)\)\s*\)\s*\)/"__scanf(" . trim($1) . ")"/ex;
}
}
@@ -4341,7 +4347,7 @@ sub process {
if (WARN("SIZEOF_PARENTHESIS",
"sizeof $1 should be sizeof($1)\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/\bsizeof\s+((?:\*\s*|)$Lval|$Type(?:\s+$Lval|))/"sizeof(" . trim($1) . ")"/ex;
+ $fixed[$fixlinenr] =~ s/\bsizeof\s+((?:\*\s*|)$Lval|$Type(?:\s+$Lval|))/"sizeof(" . trim($1) . ")"/ex;
}
}
@@ -4364,7 +4370,7 @@ sub process {
if (WARN("PREFER_SEQ_PUTS",
"Prefer seq_puts to seq_printf\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/\bseq_printf\b/seq_puts/;
+ $fixed[$fixlinenr] =~ s/\bseq_printf\b/seq_puts/;
}
}
}
@@ -4393,7 +4399,7 @@ sub process {
if (WARN("PREFER_ETHER_ADDR_COPY",
"Prefer ether_addr_copy() over memcpy() if the Ethernet addresses are __aligned(2)\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/ether_addr_copy($2, $7)/;
+ $fixed[$fixlinenr] =~ s/\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/ether_addr_copy($2, $7)/;
}
}
@@ -4481,7 +4487,7 @@ sub process {
if (CHK("AVOID_EXTERNS",
"extern prototypes should be avoided in .h files\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/(.*)\bextern\b\s*(.*)/$1$2/;
+ $fixed[$fixlinenr] =~ s/(.*)\bextern\b\s*(.*)/$1$2/;
}
}
@@ -4558,7 +4564,7 @@ sub process {
if (WARN("ALLOC_WITH_MULTIPLY",
"Prefer $newfunc over $oldfunc with multiply\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)/$1 . ' = ' . "$newfunc(" . trim($r1) . ', ' . trim($r2)/e;
+ $fixed[$fixlinenr] =~ s/\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)/$1 . ' = ' . "$newfunc(" . trim($r1) . ', ' . trim($r2)/e;
}
}
@@ -4582,7 +4588,7 @@ sub process {
if (WARN("ONE_SEMICOLON",
"Statements terminations use 1 semicolon\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/(\s*;\s*){2,}$/;/g;
+ $fixed[$fixlinenr] =~ s/(\s*;\s*){2,}$/;/g;
}
}
@@ -4630,7 +4636,7 @@ sub process {
if (WARN("USE_FUNC",
"__func__ should be used instead of gcc specific __FUNCTION__\n" . $herecurr) &&
$fix) {
- $fixed[$linenr - 1] =~ s/\b__FUNCTION__\b/__func__/g;
+ $fixed[$fixlinenr] =~ s/\b__FUNCTION__\b/__func__/g;
}
}
--
1.8.1.2.459.gbcd45b4.dirty
--
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