From patchwork Wed May 23 10:33:28 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre-Marie de Rodat X-Patchwork-Id: 918956 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=gcc-patches-return-478258-incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=adacore.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b="sS1UJfHY"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 40rTQG6jcbz9s1d for ; Wed, 23 May 2018 20:33:58 +1000 (AEST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:cc:subject:message-id:mime-version:content-type; q=dns; s=default; b=heT5TYhC1KzEgYRVYq++1vnrOcfiLNoDKwiLQVVwFzU8B85ghp XTRWcU7xbFnU362zRc22eTM85j06lAmvldpAA3xUTmvK9OR3QZtgX9sA0a/FzaZk NF+UdS+fAI0r1ZC6WP3ffEaMCwi2P/Kx564vY9FGmr1M67Zdvs0aLSYOA= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:cc:subject:message-id:mime-version:content-type; s= default; bh=We0IOmzt3OQVnrRqXnhpJc4zytE=; b=sS1UJfHYRcnPXElkwAoa FKF5llvvHGKgUyjaUiPVeU0UgmyQ9wDEl3J1XgOEH4miN7VSN75fqXYeZzGANlHV MyLAIjMLcYXCTqXcdV/QvqEk/NxRbfYUbJToaRo6mBR3mndFHm3CJAS1i+/Es1d+ 0dYPptAUmuQVunB0Vmbf1T0= Received: (qmail 97473 invoked by alias); 23 May 2018 10:33:32 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org Received: (qmail 97340 invoked by uid 89); 23 May 2018 10:33:31 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-11.9 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE, SPF_PASS autolearn=ham version=3.3.2 spammy=asterisk X-HELO: rock.gnat.com Received: from rock.gnat.com (HELO rock.gnat.com) (205.232.38.15) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 23 May 2018 10:33:30 +0000 Received: from localhost (localhost.localdomain [127.0.0.1]) by filtered-rock.gnat.com (Postfix) with ESMTP id 07777117D02; Wed, 23 May 2018 06:33:29 -0400 (EDT) Received: from rock.gnat.com ([127.0.0.1]) by localhost (rock.gnat.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id Cu9yMqzUP5Qi; Wed, 23 May 2018 06:33:28 -0400 (EDT) Received: from tron.gnat.com (tron.gnat.com [205.232.38.10]) by rock.gnat.com (Postfix) with ESMTP id EAD2B117CC7; Wed, 23 May 2018 06:33:28 -0400 (EDT) Received: by tron.gnat.com (Postfix, from userid 4862) id E9D224B2; Wed, 23 May 2018 06:33:28 -0400 (EDT) Date: Wed, 23 May 2018 06:33:28 -0400 From: Pierre-Marie de Rodat To: gcc-patches@gcc.gnu.org Cc: Yannick Moy Subject: [Ada] Clarify meaning of local pragma Warnings Off without On Message-ID: <20180523103328.GA9697@adacore.com> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-IsSubscribed: yes A local use of pragma Warnings Off to suppress specific messages, when not followed by a matching pragma Warnings On, extends until the end of the file. Tested on x86_64-pc-linux-gnu, committed on trunk 2018-05-23 Yannick Moy gcc/ada/ * doc/gnat_rm/implementation_defined_pragmas.rst: Clarify meaning of local pragma Warnings Off without On. * gnat_rm.texi: Regenerate. --- gcc/ada/doc/gnat_rm/implementation_defined_pragmas.rst +++ gcc/ada/doc/gnat_rm/implementation_defined_pragmas.rst @@ -7456,6 +7456,10 @@ In this usage, the pattern string must match in the Off and On pragmas, and (if *-gnatw.w* is given) at least one matching warning must be suppressed. +Note: if the ON form is not found, then the effect of the OFF form extends +until the end of the file (pragma Warnings is purely textual, so its effect +does not stop at the end of the enclosing scope). + Note: to write a string that will match any warning, use the string ``"***"``. It will not work to use a single asterisk or two asterisks since this looks like an operator name. This form with three --- gcc/ada/gnat_rm.texi +++ gcc/ada/gnat_rm.texi @@ -8893,6 +8893,10 @@ In this usage, the pattern string must match in the Off and On pragmas, and (if @emph{-gnatw.w} is given) at least one matching warning must be suppressed. +Note: if the ON form is not found, then the effect of the OFF form extends +until the end of the file (pragma Warnings is purely textual, so its effect +does not stop at the end of the enclosing scope). + Note: to write a string that will match any warning, use the string @code{"***"}. It will not work to use a single asterisk or two asterisks since this looks like an operator name. This form with three