gcc/ada/s-imguns.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUNTIME COMPONENTS                          --
   4 --                                                                          --
   5 --                       S Y S T E M . I M G _ U N S                        --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --        Copyright (C) 1992,1993,1994 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 2,  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.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  20 -- MA 02111-1307, USA.                                                      --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 with System.Unsigned_Types; use System.Unsigned_Types;
  35
  36 package body System.Img_Uns is
  37
  38    --------------------
  39    -- Image_Unsigned --
  40    --------------------
  41
  42    function Image_Unsigned
  43      (V    : Unsigned)
  44       return String
  45    is
  46       P : Natural;
  47       S : String (1 .. Unsigned'Width);
  48
  49    begin
  50       P := 1;
  51       S (P) := ' ';
  52       Set_Image_Unsigned (V, S, P);
  53       return S (1 .. P);
  54    end Image_Unsigned;
  55
  56    ------------------------
  57    -- Set_Image_Unsigned --
  58    ------------------------
  59
  60    procedure Set_Image_Unsigned
  61      (V : Unsigned;
  62       S : out String;
  63       P : in out Natural)
  64    is
  65       procedure Set_Digits (T : Unsigned);
  66       --  Set decimal digits of value of T
  67
  68       procedure Set_Digits (T : Unsigned) is
  69       begin
  70          if T >= 10 then
  71             Set_Digits (T / 10);
  72             P := P + 1;
  73             S (P) := Character'Val (48 + (T rem 10));
  74
  75          else
  76             P := P + 1;
  77             S (P) := Character'Val (48 + T);
  78          end if;
  79       end Set_Digits;
  80
  81    --  Start of processing for Set_Image_Unsigned
  82
  83    begin
  84       Set_Digits (V);
  85
  86    end Set_Image_Unsigned;
  87
  88 end System.Img_Uns;