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GET /api/1.2/patches/811591/?format=api
HTTP 200 OK
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{
    "id": 811591,
    "url": "http://patchwork.ozlabs.org/api/1.2/patches/811591/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20170908133142.GA87409@adacore.com/",
    "project": {
        "id": 17,
        "url": "http://patchwork.ozlabs.org/api/1.2/projects/17/?format=api",
        "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,
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    "msgid": "<20170908133142.GA87409@adacore.com>",
    "list_archive_url": null,
    "date": "2017-09-08T13:31:42",
    "name": "[Ada] No room for new warning switches",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "e2a1f7dfe9819f1006333dca501e0263a9978926",
    "submitter": {
        "id": 4418,
        "url": "http://patchwork.ozlabs.org/api/1.2/people/4418/?format=api",
        "name": "Arnaud Charlet",
        "email": "charlet@adacore.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20170908133142.GA87409@adacore.com/mbox/",
    "series": [
        {
            "id": 2211,
            "url": "http://patchwork.ozlabs.org/api/1.2/series/2211/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=2211",
            "date": "2017-09-08T13:31:42",
            "name": "[Ada] No room for new warning switches",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/2211/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/811591/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/811591/checks/",
    "tags": {},
    "related": [],
    "headers": {
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            "mailing list gcc-patches@gcc.gnu.org"
        ],
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        ],
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        "Mailing-List": "contact gcc-patches-help@gcc.gnu.org; run by ezmlm",
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        "X-HELO": "rock.gnat.com",
        "Date": "Fri, 8 Sep 2017 09:31:42 -0400",
        "From": "Arnaud Charlet <charlet@adacore.com>",
        "To": "gcc-patches@gcc.gnu.org",
        "Cc": "Justin Squirek <squirek@adacore.com>",
        "Subject": "[Ada] No room for new warning switches",
        "Message-ID": "<20170908133142.GA87409@adacore.com>",
        "MIME-Version": "1.0",
        "Content-Type": "multipart/mixed; boundary=\"jI8keyz6grp/JLjh\"",
        "Content-Disposition": "inline",
        "User-Agent": "Mutt/1.5.23 (2014-03-12)"
    },
    "content": "This patch adds machinary to create new warning flags using the underscore\n\"_\" prefix. This is necessary because all letters of the alphabet and letters\nprefixed with a dot \".\" are used already.\n\nTested on x86_64-pc-linux-gnu, committed on trunk\n\n2017-09-08  Justin Squirek  <squirek@adacore.com>\n\n\t* switch-c.adb (Scan_Front_End_Switches): Add new warning switch\n\tcase to handle underscore flags.\n\t* warnsw.adb, warnsw.ads (Set_Underscore_Warning_Switch): Create\n\tnew procedure to handle underscores.",
    "diff": "Index: switch-c.adb\n===================================================================\n--- switch-c.adb\t(revision 251892)\n+++ switch-c.adb\t(working copy)\n@@ -1268,8 +1268,20 @@\n                         Bad_Switch (\"-gnatw.\" & Switch_Chars (Ptr .. Max));\n                      end if;\n \n-                     --  Normal case, no dot\n+                  --  Case of underscore switch\n \n+                  elsif C = '_' and then Ptr < Max then\n+                     Ptr := Ptr + 1;\n+                     C := Switch_Chars (Ptr);\n+\n+                     if Set_Underscore_Warning_Switch (C) then\n+                        Store_Compilation_Switch (\"-gnatw_\" & C);\n+                     else\n+                        Bad_Switch (\"-gnatw_\" & Switch_Chars (Ptr .. Max));\n+                     end if;\n+\n+                  --  Normal case, no dot\n+\n                   else\n                      if Set_Warning_Switch (C) then\n                         Store_Compilation_Switch (\"-gnatw\" & C);\nIndex: warnsw.adb\n===================================================================\n--- warnsw.adb\t(revision 251892)\n+++ warnsw.adb\t(working copy)\n@@ -471,6 +471,24 @@\n       return True;\n    end Set_Dot_Warning_Switch;\n \n+   -----------------------------------\n+   -- Set_Underscore_Warning_Switch --\n+   -----------------------------------\n+\n+   function Set_Underscore_Warning_Switch (C : Character) return Boolean is\n+   begin\n+      case C is\n+         when others =>\n+            if Ignore_Unrecognized_VWY_Switches then\n+               Write_Line (\"unrecognized switch -gnatw_\" & C & \" ignored\");\n+            else\n+               return False;\n+            end if;\n+      end case;\n+\n+      return True;\n+   end Set_Underscore_Warning_Switch;\n+\n    ----------------------------\n    -- Set_GNAT_Mode_Warnings --\n    ----------------------------\nIndex: warnsw.ads\n===================================================================\n--- warnsw.ads\t(revision 251892)\n+++ warnsw.ads\t(working copy)\n@@ -147,6 +147,13 @@\n    --  the command line or .C in a string literal in pragma Warnings. Returns\n    --  True for valid warning character C, False for invalid character.\n \n+   function Set_Underscore_Warning_Switch (C : Character) return Boolean;\n+   --  This function sets the warning switch or switches corresponding to the\n+   --  given character preceded by an underscore. Used to process a -gnatw_\n+   --  switch on the command line or _C in a string literal in pragma Warnings.\n+   --  Returns True for valid warnings character C, False for invalid\n+   --  character.\n+\n    procedure Set_GNAT_Mode_Warnings;\n    --  This is called in -gnatg mode to set the warnings for gnat mode. It is\n    --  also used to set the proper warning statuses for -gnatw.g. Note that\n",
    "prefixes": [
        "Ada"
    ]
}