gcc/ada/s-imguns.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                       S Y S T E M . I M G _ U N S                        --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2007, 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,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, 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 --  This package contains the routines for supporting the Image attribute for
  35 --  modular integer types up to Size Modular'Size, and also for conversion
  36 --  operations required in Text_IO.Modular_IO for such types.
  37
  38 with System.Unsigned_Types;
  39
  40 package System.Img_Uns is
  41    pragma Pure;
  42
  43    procedure Image_Unsigned
  44      (V : System.Unsigned_Types.Unsigned;
  45       S : in out String;
  46       P : out Natural);
  47    pragma Inline (Image_Unsigned);
  48    --  Computes Unsigned'Image (V) and stores the result in S (1 .. P)
  49    --  setting the resulting value of P. The caller guarantees that S
  50    --  is long enough to hold the result, and that S'First is 1.
  51
  52    procedure Set_Image_Unsigned
  53      (V : System.Unsigned_Types.Unsigned;
  54       S : in out String;
  55       P : in out Natural);
  56    --  Stores the image of V in S starting at S (P + 1), P is updated to point
  57    --  to the last character stored. The value stored is identical to the value
  58    --  of Unsigned'Image (V) except that no leading space is stored. The caller
  59    --  guarantees that S is long enough to hold the result. S need not have a
  60    --  lower bound of 1.
  61
  62 end System.Img_Uns;