gcc/ada/s-io.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                            S Y S T E M _ I O                             --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2006, 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 --  A simple text I/O package, used for diagnostic output in the runtime,
  35 --  This package is also preelaborated, unlike Text_Io, and can thus be
  36 --  with'ed by preelaborated library units. It includes only Put routines
  37 --  for character, integer, string and a new line function
  38
  39 package System.IO is
  40    pragma Preelaborate;
  41
  42    procedure Put (X : Integer);
  43
  44    procedure Put (C : Character);
  45
  46    procedure Put (S : String);
  47    procedure Put_Line (S : String);
  48
  49    procedure New_Line (Spacing : Positive := 1);
  50
  51    type File_Type is limited private;
  52
  53    function Standard_Error return File_Type;
  54    function Standard_Output return File_Type;
  55
  56    procedure Set_Output (File : File_Type);
  57
  58 private
  59
  60    type File_Type is (Stdout, Stderr);
  61    --  Stdout = Standard_Output, Stderr = Standard_Error
  62
  63    pragma Inline (Standard_Error);
  64    pragma Inline (Standard_Output);
  65
  66 end System.IO;