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 --                                                                          --
  10 --        Copyright (C) 1992,1993,1994 Free Software Foundation, Inc.       --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  20 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  21 -- MA 02111-1307, USA.                                                      --
  22 --                                                                          --
  23 -- As a special exception,  if other files  instantiate  generics from this --
  24 -- unit, or you link  this unit with other files  to produce an executable, --
  25 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  26 -- covered  by the  GNU  General  Public  License.  This exception does not --
  27 -- however invalidate  any other reasons why  the executable file  might be --
  28 -- covered by the  GNU Public License.                                      --
  29 --                                                                          --
  30 -- GNAT was originally developed  by the GNAT team at  New York University. --
  31 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  32 --                                                                          --
  33 ------------------------------------------------------------------------------
  34
  35 with System.Unsigned_Types; use System.Unsigned_Types;
  36
  37 package body System.Img_Uns is
  38
  39    --------------------
  40    -- Image_Unsigned --
  41    --------------------
  42
  43    function Image_Unsigned
  44      (V    : Unsigned)
  45       return String
  46    is
  47       P : Natural;
  48       S : String (1 .. Unsigned'Width);
  49
  50    begin
  51       P := 1;
  52       S (P) := ' ';
  53       Set_Image_Unsigned (V, S, P);
  54       return S (1 .. P);
  55    end Image_Unsigned;
  56
  57    ------------------------
  58    -- Set_Image_Unsigned --
  59    ------------------------
  60
  61    procedure Set_Image_Unsigned
  62      (V : Unsigned;
  63       S : out String;
  64       P : in out Natural)
  65    is
  66       procedure Set_Digits (T : Unsigned);
  67       --  Set decimal digits of value of T
  68
  69       procedure Set_Digits (T : Unsigned) is
  70       begin
  71          if T >= 10 then
  72             Set_Digits (T / 10);
  73             P := P + 1;
  74             S (P) := Character'Val (48 + (T rem 10));
  75
  76          else
  77             P := P + 1;
  78             S (P) := Character'Val (48 + T);
  79          end if;
  80       end Set_Digits;
  81
  82    --  Start of processing for Set_Image_Unsigned
  83
  84    begin
  85       Set_Digits (V);
  86
  87    end Set_Image_Unsigned;
  88
  89 end System.Img_Uns;