------------------------------------------------------------------------------
-- --
--- GNAT RUNTIME COMPONENTS --
+-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . I O --
-- --
-- B o d y --
-- --
--- --
--- Copyright (C) 1992-2000 Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
-- --
-- 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 2, or (at your option) any later ver- --
+-- 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. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
+-- 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. --
-- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
+-- 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. --
--- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
package body System.IO is
+ Current_Out : File_Type := Stdout;
+ pragma Atomic (Current_Out);
+ -- Current output file (modified by Set_Output)
+
--------------
-- New_Line --
--------------
---------
procedure Put (X : Integer) is
-
procedure Put_Int (X : Integer);
pragma Import (C, Put_Int, "put_int");
+ procedure Put_Int_Err (X : Integer);
+ pragma Import (C, Put_Int_Err, "put_int_stderr");
+
begin
- Put_Int (X);
+ case Current_Out is
+ when Stdout =>
+ Put_Int (X);
+ when Stderr =>
+ Put_Int_Err (X);
+ end case;
end Put;
procedure Put (C : Character) is
-
procedure Put_Char (C : Character);
pragma Import (C, Put_Char, "put_char");
+ procedure Put_Char_Stderr (C : Character);
+ pragma Import (C, Put_Char_Stderr, "put_char_stderr");
+
begin
- Put_Char (C);
+ case Current_Out is
+ when Stdout =>
+ Put_Char (C);
+ when Stderr =>
+ Put_Char_Stderr (C);
+ end case;
end Put;
procedure Put (S : String) is
New_Line;
end Put_Line;
+ ---------------------
+ -- Standard_Output --
+ ---------------------
+
+ function Standard_Output return File_Type is
+ begin
+ return Stdout;
+ end Standard_Output;
+
+ --------------------
+ -- Standard_Error --
+ --------------------
+
+ function Standard_Error return File_Type is
+ begin
+ return Stderr;
+ end Standard_Error;
+
+ ----------------
+ -- Set_Output --
+ ----------------
+
+ procedure Set_Output (File : File_Type) is
+ begin
+ Current_Out := File;
+ end Set_Output;
+
end System.IO;
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