130 lines
4.3 KiB
Ada
130 lines
4.3 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- S Y S T E M . I O --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
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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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package body System.IO is
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Current_Out : File_Type := Stdout;
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pragma Atomic (Current_Out);
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-- Current output file (modified by Set_Output)
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--------------
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-- New_Line --
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--------------
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procedure New_Line (Spacing : Positive := 1) is
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begin
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for J in 1 .. Spacing loop
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Put (ASCII.LF);
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end loop;
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end New_Line;
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---------
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-- Put --
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---------
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procedure Put (X : Integer) is
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procedure Put_Int (X : Integer);
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pragma Import (C, Put_Int, "put_int");
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procedure Put_Int_Err (X : Integer);
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pragma Import (C, Put_Int_Err, "put_int_stderr");
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begin
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case Current_Out is
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when Stdout =>
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Put_Int (X);
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when Stderr =>
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Put_Int_Err (X);
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end case;
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end Put;
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procedure Put (C : Character) is
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procedure Put_Char (C : Character);
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pragma Import (C, Put_Char, "put_char");
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procedure Put_Char_Stderr (C : Character);
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pragma Import (C, Put_Char_Stderr, "put_char_stderr");
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begin
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case Current_Out is
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when Stdout =>
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Put_Char (C);
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when Stderr =>
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Put_Char_Stderr (C);
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end case;
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end Put;
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procedure Put (S : String) is
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begin
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for J in S'Range loop
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Put (S (J));
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end loop;
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end Put;
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--------------
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-- Put_Line --
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--------------
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procedure Put_Line (S : String) is
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begin
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Put (S);
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New_Line;
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end Put_Line;
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---------------------
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-- Standard_Output --
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---------------------
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function Standard_Output return File_Type is
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begin
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return Stdout;
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end Standard_Output;
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--------------------
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-- Standard_Error --
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--------------------
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function Standard_Error return File_Type is
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begin
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return Stderr;
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end Standard_Error;
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----------------
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-- Set_Output --
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----------------
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procedure Set_Output (File : File_Type) is
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begin
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Current_Out := File;
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end Set_Output;
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end System.IO;
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