192 lines
5.5 KiB
Ada
192 lines
5.5 KiB
Ada
------------------------------------------------------------------------------
|
|
-- --
|
|
-- GNAT RUN-TIME COMPONENTS --
|
|
-- --
|
|
-- G N A T . I O --
|
|
-- --
|
|
-- B o d y --
|
|
-- --
|
|
-- Copyright (C) 1995-2010, 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 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. --
|
|
-- --
|
|
-- 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. --
|
|
-- --
|
|
-- 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. --
|
|
-- 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;
|