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=-5.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,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 93ACDC48BD5 for ; Tue, 25 Jun 2019 14:38:26 +0000 (UTC) Received: from isis.lip6.fr (isis.lip6.fr [132.227.60.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D7439213F2 for ; Tue, 25 Jun 2019 14:38:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D7439213F2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lip6.fr Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=cocci-bounces@systeme.lip6.fr Received: from systeme.lip6.fr (systeme.lip6.fr [132.227.104.7]) by isis.lip6.fr (8.15.2/8.15.2) with ESMTP id x5PEcBN5019896; Tue, 25 Jun 2019 16:38:11 +0200 (CEST) Received: from systeme.lip6.fr (systeme.lip6.fr [127.0.0.1]) by systeme.lip6.fr (Postfix) with ESMTP id 5C7A17770; Tue, 25 Jun 2019 16:38:11 +0200 (CEST) Received: from isis.lip6.fr (isis.lip6.fr [132.227.60.2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by systeme.lip6.fr (Postfix) with ESMTPS id B5C7476AC for ; Tue, 25 Jun 2019 16:38:08 +0200 (CEST) Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by isis.lip6.fr (8.15.2/8.15.2) with ESMTP id x5PEc8mR024865 for ; Tue, 25 Jun 2019 16:38:08 +0200 (CEST) X-IronPort-AV: E=Sophos;i="5.63,416,1557180000"; d="scan'208";a="389006630" Received: from wifi-eduroam-0-109.u-strasbg.fr (HELO hadrien) ([130.79.0.109]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Jun 2019 16:38:05 +0200 Date: Tue, 25 Jun 2019 16:38:05 +0200 (CEST) From: Julia Lawall X-X-Sender: jll@hadrien To: Markus Elfring In-Reply-To: Message-ID: References: <43dc8f93-4c20-32da-f5c2-6f26bc4ef627@web.de> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 X-Greylist: Sender IP whitelisted, Sender e-mail whitelisted, not delayed by milter-greylist-4.4.3 (isis.lip6.fr [132.227.60.2]); Tue, 25 Jun 2019 16:38:12 +0200 (CEST) X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.4.3 (isis.lip6.fr [132.227.60.2]); Tue, 25 Jun 2019 16:38:08 +0200 (CEST) X-Scanned-By: MIMEDefang 2.78 on 132.227.60.2 X-Scanned-By: MIMEDefang 2.78 on 132.227.60.2 Cc: Coccinelle Subject: Re: [Cocci] More precise distinction of types for source code searches? X-BeenThere: cocci@systeme.lip6.fr X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: cocci-bounces@systeme.lip6.fr Errors-To: cocci-bounces@systeme.lip6.fr On Tue, 25 Jun 2019, Markus Elfring wrote: > > The expected difference can trigger the need to express this detail > > by the usage of two identifiers based on the same metavariable type. > > I guess that this wording should be clarified a bit more according to > the current software development status around the semantic patch language. > A selection of different metavariable types is supported already. > https://github.com/coccinelle/coccinelle/blob/c6d7554edf7c4654aeae4d33c3f040e300682f23/docs/manual/cocci_syntax.tex#L199 > > So it seems to be occasionally appropriate to use metavariables with > the same type while different names are chosen then for the corresponding > variable declaration. > > > Another SmPL script example: > @test@ > constant c1, c2; > @@ > x = > * c1 > ; > x = > * c2 > ; @@ expression x; constant c1,c2; @@ x = c1; ( x = c1; | *x = c2; ) julia _______________________________________________ Cocci mailing list Cocci@systeme.lip6.fr https://systeme.lip6.fr/mailman/listinfo/cocci