gcc/ada/gnatvsn.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                              G N A T V S N                               --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2018, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  17 --                                                                          --
  18 -- As a special exception under Section 7 of GPL version 3, you are granted --
  19 -- additional permissions described in the GCC Runtime Library Exception,   --
  20 -- version 3.1, as published by the Free Software Foundation.               --
  21 --                                                                          --
  22 -- You should have received a copy of the GNU General Public License and    --
  23 -- a copy of the GCC Runtime Library Exception along with this program;     --
  24 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  25 -- <http://www.gnu.org/licenses/>.                                          --
  26 --                                                                          --
  27 -- GNAT was originally developed  by the GNAT team at  New York University. --
  28 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  29 --                                                                          --
  30 ------------------------------------------------------------------------------
  31
  32 package body Gnatvsn is
  33
  34    ----------------------
  35    -- Copyright_Holder --
  36    ----------------------
  37
  38    function Copyright_Holder return String is
  39    begin
  40       return "Free Software Foundation, Inc.";
  41    end Copyright_Holder;
  42
  43    ------------------------
  44    -- Gnat_Free_Software --
  45    ------------------------
  46
  47    function Gnat_Free_Software return String is
  48    begin
  49       return
  50         "This is free software; see the source for copying conditions." &
  51         ASCII.LF &
  52         "There is NO warranty; not even for MERCHANTABILITY or FITNESS" &
  53         " FOR A PARTICULAR PURPOSE.";
  54    end Gnat_Free_Software;
  55
  56    type char_array is array (Natural range <>) of aliased Character;
  57    Version_String : char_array (0 .. Ver_Len_Max - 1);
  58    --  Import the C string defined in the (language-independent) source file
  59    --  version.c using the zero-based convention of the C language.
  60    --  The size is not the real one, which does not matter since we will
  61    --  check for the nul character in Gnat_Version_String.
  62    pragma Import (C, Version_String, "version_string");
  63
  64    -------------------------
  65    -- Gnat_Version_String --
  66    -------------------------
  67
  68    function Gnat_Version_String return String is
  69       S : String (1 .. Ver_Len_Max);
  70       Pos : Natural := 0;
  71    begin
  72       loop
  73          exit when Version_String (Pos) = ASCII.NUL;
  74
  75          S (Pos + 1) := Version_String (Pos);
  76          Pos := Pos + 1;
  77
  78          exit when Pos = Ver_Len_Max;
  79       end loop;
  80
  81       return S (1 .. Pos);
  82    end Gnat_Version_String;
  83
  84 end Gnatvsn;