Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753767Ab2KAHMu (ORCPT ); Thu, 1 Nov 2012 03:12:50 -0400 Received: from perches-mx.perches.com ([206.117.179.246]:50708 "EHLO labridge.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753666Ab2KAHMs (ORCPT ); Thu, 1 Nov 2012 03:12:48 -0400 From: Joe Perches To: Andrew Morton , Andy Whitcroft Cc: Adil Mujeeb , Pavel Machek , linux-kernel@vger.kernel.org Subject: [PATCH V2 2/3] checkpatch: Add support for floating point constants Date: Thu, 1 Nov 2012 00:12:17 -0700 Message-Id: <8e88cd83e9516e529335fc283f31c1b3576a9564.1351736873.git.joe@perches.com> X-Mailer: git-send-email 1.7.8.112.g3fd21 In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1342 Lines: 35 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 --- scripts/checkpatch.pl | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 099a0ad..c3a2162 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -227,7 +227,11 @@ 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{ -- 1.7.8.112.g3fd21 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/