From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0EA3BC433B4 for ; Thu, 29 Apr 2021 23:39:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D00BA61477 for ; Thu, 29 Apr 2021 23:39:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229557AbhD2Xk0 (ORCPT ); Thu, 29 Apr 2021 19:40:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49808 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229519AbhD2XkZ (ORCPT ); Thu, 29 Apr 2021 19:40:25 -0400 Received: from ms.lwn.net (ms.lwn.net [IPv6:2600:3c01:e000:3a1::42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A76F3C06138B; Thu, 29 Apr 2021 16:39:38 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:281:8300:104d::5f6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id 1D0AC7F5; Thu, 29 Apr 2021 23:39:38 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 ms.lwn.net 1D0AC7F5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lwn.net; s=20201203; t=1619739578; bh=+1o2wiVwhHr+5oxDNKCDjupCqR9q4KZCtA+XI9ideww=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=L6vgs2yfELlVPUdWwFYnsXqynUX4mbviLY7TT+71ptKDwCSv2fg80vKJ2PoWXtC0Z VxsgXqamjTAzKnOwvX3l/JT1FBnLtK8rrGke60SkeppesfrznUG7OhktCIT9f8h3fK Mgr1anGo8p3ZUlSyGnl/IbAKDUWjyRqpv33R8caAaF9aohe5cSK1lMmwYtvm1wLBic RgLv7MG0tj4qJkv7iB38LBzD19ZE/NBLjukadyie1SAxaaD+YvHQuWXL4uoi95l9OE ko6O+F9FdwQ7kVokKJt6PyCtA5HnuKCFsPABXfJBLfJDY90bVK3gH7cJyozpE4Z+xt 91CqaT3Q7F8ww== From: Jonathan Corbet To: Aditya Srivastava Cc: yashsri421@gmail.com, lukas.bulwahn@gmail.com, willy@infradead.org, linux-kernel-mentees@lists.linuxfoundation.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC v3] scripts: kernel-doc: reduce repeated regex expressions into variables In-Reply-To: <20210429063729.8144-1-yashsri421@gmail.com> References: <20210427165633.GA235567@casper.infradead.org> <20210429063729.8144-1-yashsri421@gmail.com> Date: Thu, 29 Apr 2021 17:39:37 -0600 Message-ID: <8735v8d5ja.fsf@meer.lwn.net> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Aditya Srivastava writes: > There are some regex expressions in the kernel-doc script, which are used > repeatedly in the script. > > Reduce such expressions into variables, which can be used everywhere. > > A quick manual check found that no errors and warnings were added/removed > in this process. > > Suggested-by: Jonathan Corbet > Signed-off-by: Aditya Srivastava > --- > Changes in v3: > - Remove variables for separate qualifiers in "sub dump_struct" > - Make a common variable for all the qualifiers > - Make $attribute global variable to use it at "sub check_sections" as well > > Changes in v2: > - Rename $pointer_function to $function_pointer > - Combine elsif-block expressions at "sub dump_function" into lesser regex expressions > - Combine $prototype_end1,$prototype_end2 expressions into a common $prototype_end > > scripts/kernel-doc | 71 ++++++++++++++++++++++------------------------ > 1 file changed, 34 insertions(+), 37 deletions(-) So this looks good but ... it adds a warning to the build: /stuff/k/git/kernel/Documentation/driver-api/media/v4l2-controls:823: ./include/media/v4l2-ctrls.h:964: WARNING: Invalid C declaration: Expected identifier in nested name. [error at 6] const * v4l2_ctrl_get_menu (u32 id) ------^ So it looks like something isn't being parsed quite identically? Thanks, jon