1 ------------------------------------------------------------------------------
3 -- GNAT RUNTIME COMPONENTS --
9 -- Copyright (C) 1995-2002 Ada Core Technologies, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, USA. --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
29 -- GNAT is maintained by Ada Core Technologies Inc (http://www.gnat.com). --
31 ------------------------------------------------------------------------------
33 package body GNAT.IO is
35 Current_Out : File_Type := Stdout;
36 pragma Atomic (Current_Out);
37 -- Current output file (modified by Set_Output)
43 procedure Get (X : out Integer) is
45 function Get_Int return Integer;
46 pragma Import (C, Get_Int, "get_int");
52 procedure Get (C : out Character) is
54 function Get_Char return Character;
55 pragma Import (C, Get_Char, "get_char");
65 procedure Get_Line (Item : out String; Last : out Natural) is
69 for Nstore in Item'Range loop
88 procedure New_Line (File : File_Type; Spacing : Positive := 1) is
90 for J in 1 .. Spacing loop
95 procedure New_Line (Spacing : Positive := 1) is
97 New_Line (Current_Out, Spacing);
104 procedure Put (X : Integer) is
106 Put (Current_Out, X);
109 procedure Put (File : File_Type; X : Integer) is
111 procedure Put_Int (X : Integer);
112 pragma Import (C, Put_Int, "put_int");
114 procedure Put_Int_Stderr (X : Integer);
115 pragma Import (C, Put_Int_Stderr, "put_int_stderr");
119 when Stdout => Put_Int (X);
120 when Stderr => Put_Int_Stderr (X);
124 procedure Put (C : Character) is
126 Put (Current_Out, C);
129 procedure Put (File : in File_Type; C : Character) is
131 procedure Put_Char (C : Character);
132 pragma Import (C, Put_Char, "put_char");
134 procedure Put_Char_Stderr (C : Character);
135 pragma Import (C, Put_Char_Stderr, "put_char_stderr");
139 when Stdout => Put_Char (C);
140 when Stderr => Put_Char_Stderr (C);
144 procedure Put (S : String) is
146 Put (Current_Out, S);
149 procedure Put (File : File_Type; S : String) is
151 for J in S'Range loop
160 procedure Put_Line (S : String) is
162 Put_Line (Current_Out, S);
165 procedure Put_Line (File : File_Type; S : String) is
175 procedure Set_Output (File : in File_Type) is
180 ---------------------
181 -- Standard_Output --
182 ---------------------
184 function Standard_Output return File_Type is
193 function Standard_Error return File_Type is