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checkpatch: expand parenthesis alignment test to declarations, functions and assignments 

Currently the parenthesis alignment test works only on misalignments of
if statements like

	if (foo(bar,
			baz)

Expand the test to find misalignments like:

static inline int foo(int bar,
			int baz)

and

	foo(bar,
			baz);

and

	foo = bar(baz,
			qux);

Expand the $Inline keyword for __inline and __inline__ too.
Add $Inline to $Declare so it also matches "static inline <foo>".

These checks are only performed with --strict.

Signed-off-by: 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:
Joe Perches 2014-04-03 14:49:32 -07:00 committed by Linus Torvalds
parent 7ebd05ef16
commit 91cb5195ff
1 changed files with 6 additions and 4 deletions
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10
scripts/checkpatch.pl
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@ -281,7 +281,7 @@ our $Attribute = qr{
__weak
}x;
our $Modifier;
our $Inline = qr{inline|__always_inline|noinline};
our $Inline = qr{inline|__always_inline|noinline|__inline|__inline__};
our $Member = qr{->$Ident|\.$Ident|\[[^]]*\]};
our $Lval = qr{$Ident(?:$Member)*};
@ -304,6 +304,8 @@ our $Operators = qr{
&&|\|\||,|\^|\+\+|--|&|\||$Arithmetic
}x;
our $c90_Keywords = qr{do|for|while|if|else|return|goto|continue|switch|default|case|break}x;
our $NonptrType;
our $NonptrTypeWithAttr;
our $Type;
@ -429,7 +431,7 @@ sub build_types {
(?:(?:\s|\*|\[\])+\s*const|(?:\s|\*|\[\])+|(?:\s*\[\s*\])+)?
(?:\s+$Inline|\s+$Modifier)*
}x;
$Declare = qr{(?:$Storage\s+)?$Type};
$Declare = qr{(?:$Storage\s+(?:$Inline\s+)?)?$Type};
}
build_types();
@ -1607,7 +1609,7 @@ sub pos_last_openparen {
}
}
return $last_openparen + 1;
return length(expand_tabs(substr($line, 0, $last_openparen))) + 1;
}
sub process {
@ -2200,7 +2202,7 @@ sub process {
# check multi-line statement indentation matches previous line
if ($^V && $^V ge 5.10.0 &&
$prevline =~ /^\+(\t*)(if \(|$Ident\().*(\&\&|\|\||,)\s*$/) {
$prevline =~ /^\+([ \t]*)((?:$c90_Keywords(?:\s+if)\s*)|(?:$Declare\s*)?(?:$Ident|\(\s*\*\s*$Ident\s*\))\s*|$Ident\s*=\s*$Ident\s*)\(.*(\&\&|\|\||,)\s*$/) {
$prevline =~ /^\+(\t*)(.*)$/;
my $oldindent = $1;
my $rest = $2;