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checkpatch: add sub routine get_stat_here() 

checkpatch currently contains duplicate code.  We can define a sub
routine and call that instead.  This reduces code duplication and line
count.

Add subroutine get_stat_here().

Link: http://lkml.kernel.org/r/1519700648-23108-4-git-send-email-me@tobin.cc
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tobin C. Harding 2018-04-10 16:33:27 -07:00 committed by Linus Torvalds
parent c2066ca350
commit e3d95a2a05
1 changed files with 20 additions and 32 deletions
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52
scripts/checkpatch.pl
View File

@ -1656,6 +1656,17 @@ sub get_stat_real {
return $stat_real;
}
sub get_stat_here {
my ($linenr, $cnt, $here) = @_;
my $herectx = $here . "\n";
for (my $n = 0; $n < $cnt; $n++) {
$herectx .= raw_line($linenr, $n) . "\n";
}
return $herectx;
}
sub cat_vet {
my ($vet) = @_;
my ($res, $coded);
@ -4967,12 +4978,8 @@ sub process {
#print "REST<$rest> dstat<$dstat> ctx<$ctx>\n";
$ctx =~ s/\n*$//;
my $herectx = $here . "\n";
my $stmt_cnt = statement_rawlines($ctx);
for (my $n = 0; $n < $stmt_cnt; $n++) {
$herectx .= raw_line($linenr, $n) . "\n";
}
my $herectx = get_stat_here($linenr, $stmt_cnt, $here);
if ($dstat ne '' &&
$dstat !~ /^(?:$Ident|-?$Constant),$/ && # 10, // foo(),
@ -5044,12 +5051,9 @@ sub process {
# check for macros with flow control, but without ## concatenation
# ## concatenation is commonly a macro that defines a function so ignore those
if ($has_flow_statement && !$has_arg_concat) {
my $herectx = $here . "\n";
my $cnt = statement_rawlines($ctx);
my $herectx = get_stat_here($linenr, $cnt, $here);
for (my $n = 0; $n < $cnt; $n++) {
$herectx .= raw_line($linenr, $n) . "\n";
}
WARN("MACRO_WITH_FLOW_CONTROL",
"Macros with flow control statements should be avoided\n" . "$herectx");
}
@ -5089,11 +5093,7 @@ sub process {
$ctx =~ s/\n*$//;
my $cnt = statement_rawlines($ctx);
my $herectx = $here . "\n";
for (my $n = 0; $n < $cnt; $n++) {
$herectx .= raw_line($linenr, $n) . "\n";
}
my $herectx = get_stat_here($linenr, $cnt, $here);
if (($stmts =~ tr/;/;/) == 1 &&
$stmts !~ /^\s*(if|while|for|switch)\b/) {
@ -5107,11 +5107,7 @@ sub process {
} elsif ($dstat =~ /^\+\s*#\s*define\s+$Ident.*;\s*$/) {
$ctx =~ s/\n*$//;
my $cnt = statement_rawlines($ctx);
my $herectx = $here . "\n";
for (my $n = 0; $n < $cnt; $n++) {
$herectx .= raw_line($linenr, $n) . "\n";
}
my $herectx = get_stat_here($linenr, $cnt, $here);
WARN("TRAILING_SEMICOLON",
"macros should not use a trailing semicolon\n" . "$herectx");
@ -5234,12 +5230,8 @@ sub process {
}
}
if ($level == 0 && $block =~ /^\s*\{/ && !$allowed) {
my $herectx = $here . "\n";
my $cnt = statement_rawlines($block);
for (my $n = 0; $n < $cnt; $n++) {
$herectx .= raw_line($linenr, $n) . "\n";
}
my $herectx = get_stat_here($linenr, $cnt, $here);
WARN("BRACES",
"braces {} are not necessary for single statement blocks\n" . $herectx);
@ -6096,11 +6088,9 @@ sub process {
}
if ($r1 !~ /^sizeof\b/ && $r2 =~ /^sizeof\s*\S/ &&
!($r1 =~ /^$Constant$/ || $r1 =~ /^[A-Z_][A-Z0-9_]*$/)) {
my $herectx = $here . "\n";
my $cnt = statement_rawlines($stat);
for (my $n = 0; $n < $cnt; $n++) {
$herectx .= raw_line($linenr, $n) . "\n";
}
my $herectx = get_stat_here($linenr, $cnt, $here);
if (WARN("ALLOC_WITH_MULTIPLY",
"Prefer $newfunc over $oldfunc with multiply\n" . $herectx) &&
$cnt == 1 &&
@ -6183,11 +6173,9 @@ sub process {
if ($^V && $^V ge 5.10.0 &&
defined $stat &&
$stat =~ /^\+[$;\s]*(?:case[$;\s]+\w+[$;\s]*:[$;\s]*|)*[$;\s]*\bdefault[$;\s]*:[$;\s]*;/g) {
my $herectx = $here . "\n";
my $cnt = statement_rawlines($stat);
for (my $n = 0; $n < $cnt; $n++) {
$herectx .= raw_line($linenr, $n) . "\n";
}
my $herectx = get_stat_here($linenr, $cnt, $here);
WARN("DEFAULT_NO_BREAK",
"switch default: should use break\n" . $herectx);
}