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Fri, 09 Aug 2019 17:08:12 +0200 (CEST) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.4.3 (isis.lip6.fr [132.227.60.2]); Fri, 09 Aug 2019 17:08:09 +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: cocci@systeme.lip6.fr Subject: Re: [Cocci] Make rule depend on comment 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 > If you pull Coccinelle from github, you will be able to write the following. I am curious how the support will evolve further for scripted SmPL constraints. > The second scriptcan use ocaml or python as you like. How do you think about to clarify the following SmPL rule variant? @addition@ km; comments tag : script:ocaml () { let (_, _, ca) = List.hd tag in match ca with [] -> false | _ -> let xa = String.concat "" ca in if Str.string_match (Str.regexp "kmap compat: \(KM_USER[01]\)") xa 2 then km := make_ident (Str.matched_group 1 xa); true else false }; expression context; identifier fn; @@ fn(...)@tag { <+... (kmap_atomic |kunmap_atomic )(context +, km ) ...+> } int foo() /* kmap compat: KM_USER0 */ { void *addr = kmap_atomic(page); // ... kunmap_atomic(addr); } Can such a data processing approach ever work in the shown direction? Regards, Markus _______________________________________________ Cocci mailing list Cocci@systeme.lip6.fr https://systeme.lip6.fr/mailman/listinfo/cocci