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