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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [g-io.ads] - Rev 706

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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;
 

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