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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- G N A T . I O -- -- -- -- B o d y -- -- -- -- Copyright (C) 1995-2006, 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 2, 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, 51 Franklin Street, Fifth Floor, -- -- Boston, MA 02110-1301, USA. -- -- -- -- 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. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ package body GNAT.IO is Current_Out : File_Type := Stdout; pragma Atomic (Current_Out); -- Current output file (modified by Set_Output) --------- -- Get -- --------- procedure Get (X : out Integer) is function Get_Int return Integer; pragma Import (C, Get_Int, "get_int"); begin X := Get_Int; end Get; procedure Get (C : out Character) is function Get_Char return Character; pragma Import (C, Get_Char, "get_char"); begin C := Get_Char; end Get; -------------- -- Get_Line -- -------------- procedure Get_Line (Item : out String; Last : out Natural) is C : Character; begin for Nstore in Item'Range loop Get (C); if C = ASCII.LF then Last := Nstore - 1; return; else Item (Nstore) := C; end if; end loop; Last := Item'Last; end Get_Line; -------------- -- New_Line -- -------------- procedure New_Line (File : File_Type; Spacing : Positive := 1) is begin for J in 1 .. Spacing loop Put (File, ASCII.LF); end loop; end New_Line; procedure New_Line (Spacing : Positive := 1) is begin New_Line (Current_Out, Spacing); end New_Line; --------- -- Put -- --------- procedure Put (X : Integer) is begin Put (Current_Out, X); end Put; procedure Put (File : File_Type; X : Integer) is procedure Put_Int (X : Integer); pragma Import (C, Put_Int, "put_int"); procedure Put_Int_Stderr (X : Integer); pragma Import (C, Put_Int_Stderr, "put_int_stderr"); begin case File is when Stdout => Put_Int (X); when Stderr => Put_Int_Stderr (X); end case; end Put; procedure Put (C : Character) is begin Put (Current_Out, C); end Put; procedure Put (File : File_Type; 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 case File is when Stdout => Put_Char (C); when Stderr => Put_Char_Stderr (C); end case; end Put; procedure Put (S : String) is begin Put (Current_Out, S); end Put; procedure Put (File : File_Type; S : String) is begin for J in S'Range loop Put (File, S (J)); end loop; end Put; -------------- -- Put_Line -- -------------- procedure Put_Line (S : String) is begin Put_Line (Current_Out, S); end Put_Line; procedure Put_Line (File : File_Type; S : String) is begin Put (File, S); New_Line (File); end Put_Line; ---------------- -- Set_Output -- ---------------- procedure Set_Output (File : File_Type) is begin Current_Out := File; end Set_Output; --------------------- -- 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; end GNAT.IO;