1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
9 -- Copyright (C) 1995-2020, AdaCore --
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 3, 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. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 package body GNAT.IO is
34 Current_Out : File_Type := Stdout;
35 pragma Atomic (Current_Out);
36 -- Current output file (modified by Set_Output)
42 procedure Get (X : out Integer) is
43 function Get_Int return Integer;
44 pragma Import (C, Get_Int, "get_int");
49 procedure Get (C : out Character) is
50 function Get_Char return Character;
51 pragma Import (C, Get_Char, "get_char");
60 procedure Get_Line (Item : out String; Last : out Natural) is
64 for Nstore in Item'Range loop
83 procedure New_Line (File : File_Type; Spacing : Positive := 1) is
85 for J in 1 .. Spacing loop
90 procedure New_Line (Spacing : Positive := 1) is
92 New_Line (Current_Out, Spacing);
99 procedure Put (X : Integer) is
101 Put (Current_Out, X);
104 procedure Put (File : File_Type; X : Integer) is
105 procedure Put_Int (X : Integer);
106 pragma Import (C, Put_Int, "put_int");
108 procedure Put_Int_Stderr (X : Integer);
109 pragma Import (C, Put_Int_Stderr, "put_int_stderr");
113 when Stdout => Put_Int (X);
114 when Stderr => Put_Int_Stderr (X);
118 procedure Put (C : Character) is
120 Put (Current_Out, C);
123 procedure Put (File : File_Type; C : Character) is
124 procedure Put_Char (C : Character);
125 pragma Import (C, Put_Char, "put_char");
127 procedure Put_Char_Stderr (C : Character);
128 pragma Import (C, Put_Char_Stderr, "put_char_stderr");
132 when Stdout => Put_Char (C);
133 when Stderr => Put_Char_Stderr (C);
137 procedure Put (S : String) is
139 Put (Current_Out, S);
142 procedure Put (File : File_Type; S : String) is
144 for J in S'Range loop
153 procedure Put_Line (S : String) is
155 Put_Line (Current_Out, S);
158 procedure Put_Line (File : File_Type; S : String) is
168 procedure Set_Output (File : File_Type) is
173 ---------------------
174 -- Standard_Output --
175 ---------------------
177 function Standard_Output return File_Type is
186 function Standard_Error return File_Type is