{"id":811594,"url":"http://patchwork.ozlabs.org/api/1.2/patches/811594/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/20170908133600.GA100516@adacore.com/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/1.2/projects/17/?format=json","name":"GNU Compiler Collection","link_name":"gcc","list_id":"gcc-patches.gcc.gnu.org","list_email":"gcc-patches@gcc.gnu.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170908133600.GA100516@adacore.com>","list_archive_url":null,"date":"2017-09-08T13:36:00","name":"[Ada] New pragma Ada_2020","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"4355caf4b4d38a735ab32146e41fc53cd0ebc926","submitter":{"id":4418,"url":"http://patchwork.ozlabs.org/api/1.2/people/4418/?format=json","name":"Arnaud Charlet","email":"charlet@adacore.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/20170908133600.GA100516@adacore.com/mbox/","series":[{"id":2213,"url":"http://patchwork.ozlabs.org/api/1.2/series/2213/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=2213","date":"2017-09-08T13:36:00","name":"[Ada] New pragma Ada_2020","version":1,"mbox":"http://patchwork.ozlabs.org/series/2213/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/811594/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/811594/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list gcc-patches@gcc.gnu.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=gcc-patches-return-461727-incoming=patchwork.ozlabs.org@gcc.gnu.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org\n\theader.b=\"mZGDtOCZ\"; dkim-atps=neutral","sourceware.org; auth=none"],"Received":["from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xpdd75RYmz9s7p\n\tfor ;\n\tFri, 8 Sep 2017 23:36:11 +1000 (AEST)","(qmail 39430 invoked by alias); 8 Sep 2017 13:36:03 -0000","(qmail 39420 invoked by uid 89); 8 Sep 2017 13:36:03 -0000","from rock.gnat.com (HELO rock.gnat.com) (205.232.38.15) by\n\tsourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP;\n\tFri, 08 Sep 2017 13:36:01 +0000","from localhost (localhost.localdomain [127.0.0.1])\tby\n\tfiltered-rock.gnat.com (Postfix) with ESMTP id 2B1505628B;\n\tFri, 8 Sep 2017 09:36:00 -0400 (EDT)","from rock.gnat.com ([127.0.0.1])\tby localhost (rock.gnat.com\n\t[127.0.0.1]) (amavisd-new, port 10024)\twith LMTP id\n\tiExWGcq1f8is; 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run by ezmlm","Precedence":"bulk","List-Id":"","List-Unsubscribe":"","List-Archive":"","List-Post":"","List-Help":"","Sender":"gcc-patches-owner@gcc.gnu.org","X-Virus-Found":"No","X-Spam-SWARE-Status":"No, score=-10.5 required=5.0 tests=AWL, BAYES_00,\n\tGIT_PATCH_2, GIT_PATCH_3, KAM_ASCII_DIVIDERS,\n\tRCVD_IN_DNSWL_NONE,\n\tSPF_PASS autolearn=ham version=3.3.2 spammy=2020","X-HELO":"rock.gnat.com","Date":"Fri, 8 Sep 2017 09:36:00 -0400","From":"Arnaud Charlet ","To":"gcc-patches@gcc.gnu.org","Cc":"Bob Duff ","Subject":"[Ada] New pragma Ada_2020","Message-ID":"<20170908133600.GA100516@adacore.com>","MIME-Version":"1.0","Content-Type":"multipart/mixed; boundary=\"9amGYk9869ThD9tj\"","Content-Disposition":"inline","User-Agent":"Mutt/1.5.23 (2014-03-12)"},"content":"This patch allows pragma Ada_2020 to be used to enable Ada 2020 features\nthat have been implemented in GNAT. Ada_2020 is a configuration\npragma. This is in addition to the -gnat2020 command-line switch.\n\nNote: There is no synonym pragma Ada_20. We have Ada_05 and Ada_12, but\nwe decided long ago that for years after 2000, four-digit numbers look\nbetter.\n\nTested on x86_64-pc-linux-gnu, committed on trunk\n\n2017-09-08 Bob Duff \n\n\t* par-prag.adb, sem_prag.adb, snames.ads-tmpl: Implement pragma\n\tAda_2020, along the same lines as the other Ada version pragmas.","diff":"Index: par-prag.adb\n===================================================================\n--- par-prag.adb\t(revision 251892)\n+++ par-prag.adb\t(working copy)\n@@ -326,14 +326,16 @@\n \n case Prag_Id is\n \n+ -- Ada version pragmas must be processed at parse time, because we want\n+ -- to set the Ada version properly at parse time to recognize the\n+ -- appropriate Ada version syntax. However, pragma Ada_2005 and higher\n+ -- have an optional argument; it is only the zero argument form that\n+ -- must be processed at parse time.\n+\n ------------\n -- Ada_83 --\n ------------\n \n- -- This pragma must be processed at parse time, since we want to set\n- -- the Ada version properly at parse time to recognize the appropriate\n- -- Ada version syntax.\n-\n when Pragma_Ada_83 =>\n if not Latest_Ada_Only then\n Ada_Version := Ada_83;\n@@ -345,10 +347,6 @@\n -- Ada_95 --\n ------------\n \n- -- This pragma must be processed at parse time, since we want to set\n- -- the Ada version properly at parse time to recognize the appropriate\n- -- Ada version syntax.\n-\n when Pragma_Ada_95 =>\n if not Latest_Ada_Only then\n Ada_Version := Ada_95;\n@@ -360,11 +358,6 @@\n -- Ada_05/Ada_2005 --\n ---------------------\n \n- -- These pragmas must be processed at parse time, since we want to set\n- -- the Ada version properly at parse time to recognize the appropriate\n- -- Ada version syntax. However, it is only the zero argument form that\n- -- must be processed at parse time.\n-\n when Pragma_Ada_05\n | Pragma_Ada_2005\n =>\n@@ -378,11 +371,6 @@\n -- Ada_12/Ada_2012 --\n ---------------------\n \n- -- These pragmas must be processed at parse time, since we want to set\n- -- the Ada version properly at parse time to recognize the appropriate\n- -- Ada version syntax. However, it is only the zero argument form that\n- -- must be processed at parse time.\n-\n when Pragma_Ada_12\n | Pragma_Ada_2012\n =>\n@@ -392,6 +380,17 @@\n Ada_Version_Pragma := Pragma_Node;\n end if;\n \n+ --------------\n+ -- Ada_2020 --\n+ --------------\n+\n+ when Pragma_Ada_2020 =>\n+ if Arg_Count = 0 then\n+ Ada_Version := Ada_2020;\n+ Ada_Version_Explicit := Ada_2020;\n+ Ada_Version_Pragma := Pragma_Node;\n+ end if;\n+\n ---------------------------\n -- Compiler_Unit_Warning --\n ---------------------------\nIndex: sem_prag.adb\n===================================================================\n--- sem_prag.adb\t(revision 251893)\n+++ sem_prag.adb\t(working copy)\n@@ -11835,7 +11835,7 @@\n \n -- The one argument form is used for managing the transition from Ada\n -- 2005 to Ada 2012 in the run-time library. If an entity is marked\n- -- as Ada_201 only, then referencing the entity in any pre-Ada_2012\n+ -- as Ada_2012 only, then referencing the entity in any pre-Ada_2012\n -- mode will generate a warning. In addition, in any pre-Ada_2012\n -- mode, a preference rule is established which does not choose\n -- such an entity unless it is unambiguously specified. This avoids\n@@ -11883,6 +11883,28 @@\n end if;\n end;\n \n+ --------------\n+ -- Ada_2020 --\n+ --------------\n+\n+ -- pragma Ada_2020;\n+\n+ -- Note: this pragma also has some specific processing in Par.Prag\n+ -- because we want to set the Ada 2020 version mode during parsing.\n+\n+ when Pragma_Ada_2020 =>\n+ GNAT_Pragma;\n+\n+ Check_Arg_Count (0);\n+\n+ Check_Valid_Configuration_Pragma;\n+\n+ -- Now set appropriate Ada mode\n+\n+ Ada_Version := Ada_2020;\n+ Ada_Version_Explicit := Ada_2020;\n+ Ada_Version_Pragma := N;\n+\n ----------------------\n -- All_Calls_Remote --\n ----------------------\n@@ -29419,6 +29441,7 @@\n Pragma_Ada_2005 => -1,\n Pragma_Ada_12 => -1,\n Pragma_Ada_2012 => -1,\n+ Pragma_Ada_2020 => -1,\n Pragma_All_Calls_Remote => -1,\n Pragma_Allow_Integer_Address => -1,\n Pragma_Annotate => 93,\nIndex: snames.ads-tmpl\n===================================================================\n--- snames.ads-tmpl\t(revision 251892)\n+++ snames.ads-tmpl\t(working copy)\n@@ -388,6 +388,7 @@\n Name_Ada_2005 : constant Name_Id := N + $; -- GNAT\n Name_Ada_12 : constant Name_Id := N + $; -- GNAT\n Name_Ada_2012 : constant Name_Id := N + $; -- GNAT\n+ Name_Ada_2020 : constant Name_Id := N + $; -- GNAT\n Name_Allow_Integer_Address : constant Name_Id := N + $; -- GNAT\n Name_Annotate : constant Name_Id := N + $; -- GNAT\n Name_Assertion_Policy : constant Name_Id := N + $; -- Ada 05\n@@ -1779,6 +1780,9 @@\n Pragma_Ada_2005,\n Pragma_Ada_12,\n Pragma_Ada_2012,\n+ Pragma_Ada_2020,\n+ -- Note that there is no Pragma_Ada_20. Pragma_Ada_05/12 are for\n+ -- compatibility reasons only; the full year names are preferred.\n Pragma_Allow_Integer_Address,\n Pragma_Annotate,\n Pragma_Assertion_Policy,\n","prefixes":["Ada"]}