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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- G N A T . I O --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1995-2010, AdaCore --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 3, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- A simple preelaborable subset of Text_IO capabilities
+
+-- A simple text I/O package that can be used for simple I/O functions in
+-- user programs as required. This package is also preelaborated, unlike
+-- Text_IO, and can thus be with'ed by preelaborated library units.
+
+-- Note that Data_Error is not raised by these subprograms for bad data.
+-- If such checks are needed then the regular Text_IO package must be used.
+
+package GNAT.IO is
+ pragma Preelaborate;
+
+ type File_Type is limited private;
+ -- Specifies file to be used (the only possibilities are Standard_Output
+ -- and Standard_Error). There is no Create or Open facility that would
+ -- allow more general use of file names.
+
+ function Standard_Output return File_Type;
+ function Standard_Error return File_Type;
+ -- These functions are the only way to get File_Type values
+
+ procedure Get (X : out Integer);
+ procedure Get (C : out Character);
+ procedure Get_Line (Item : out String; Last : out Natural);
+ -- These routines always read from Standard_Input
+
+ procedure Put (File : File_Type; X : Integer);
+ procedure Put (X : Integer);
+ -- Output integer to specified file, or to current output file, same
+ -- output as if Ada.Text_IO.Integer_IO had been instantiated for Integer.
+
+ procedure Put (File : File_Type; C : Character);
+ procedure Put (C : Character);
+ -- Output character to specified file, or to current output file
+
+ procedure Put (File : File_Type; S : String);
+ procedure Put (S : String);
+ -- Output string to specified file, or to current output file
+
+ procedure Put_Line (File : File_Type; S : String);
+ procedure Put_Line (S : String);
+ -- Output string followed by new line to specified file, or to
+ -- current output file.
+
+ procedure New_Line (File : File_Type; Spacing : Positive := 1);
+ procedure New_Line (Spacing : Positive := 1);
+ -- Output new line character to specified file, or to current output file
+
+ procedure Set_Output (File : File_Type);
+ -- Set current output file, default is Standard_Output if no call to
+ -- Set_Output is made.
+
+private
+ type File_Type is (Stdout, Stderr);
+ -- Stdout = Standard_Output, Stderr = Standard_Error
+
+ pragma Inline (Standard_Error);
+ pragma Inline (Standard_Output);
+
+end GNAT.IO;