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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) 1992-2009, 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 ------------------------------------------------------------------------------
32 -- A simple text I/O package, used for diagnostic output in the runtime,
33 -- This package is also preelaborated, unlike Text_Io, and can thus be
34 -- with'ed by preelaborated library units. It includes only Put routines
35 -- for character, integer, string and a new line function
37 package System.IO is
38 pragma Preelaborate;
40 procedure Put (X : Integer);
42 procedure Put (C : Character);
44 procedure Put (S : String);
45 procedure Put_Line (S : String);
47 procedure New_Line (Spacing : Positive := 1);
49 type File_Type is limited private;
51 function Standard_Error return File_Type;
52 function Standard_Output return File_Type;
54 procedure Set_Output (File : File_Type);
56 private
58 type File_Type is (Stdout, Stderr);
59 -- Stdout = Standard_Output, Stderr = Standard_Error
61 pragma Inline (Standard_Error);
62 pragma Inline (Standard_Output);
64 end System.IO;