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checkpatch: add support for floating point constants 

Even though the kernel doesn't support using floating point constants,
add a regex for them.

Support forms like: 0x123p1, 123e-1, 1.23, 1.5e23f

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.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 2012-12-17 16:02:05 -08:00 committed by Linus Torvalds
parent 6b7eaf6e14
commit 74349bcced
1 changed files with 5 additions and 1 deletions
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6
scripts/checkpatch.pl
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@ -230,7 +230,11 @@ our $Inline = qr{inline|__always_inline|noinline};
our $Member = qr{->$Ident|\.$Ident|\[[^]]*\]};
our $Lval = qr{$Ident(?:$Member)*};
our $Constant = qr{(?i:(?:0x[0-9a-f]+|[0-9]+)[ul]*)};
our $Float_hex = qr{(?i:0x[0-9a-f]+p-?[0-9]+[fl]?)};
our $Float_dec = qr{(?i:((?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?))};
our $Float_int = qr{(?i:[0-9]+e-?[0-9]+[fl]?)};
our $Float = qr{$Float_hex|$Float_dec|$Float_int};
our $Constant = qr{(?:$Float|(?i:(?:0x[0-9a-f]+|[0-9]+)[ul]*))};
our $Assignment = qr{(?:\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=)};
our $Compare = qr{<=|>=|==|!=|<|>};
our $Operators = qr{