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157 | ------------------------------------------------------------------------------
-- --
-- SPARK_IO EXAMPLES --
-- --
-- Copyright (C) 2013, Altran UK --
-- --
-- SPARK 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/>. --
-- --
------------------------------------------------------------------------------
pragma SPARK_Mode (Off);
with Ada.Text_IO.Unbounded_IO;
package body SPARK.Text_IO.Unbounded_IO is
procedure Put
(File : in out File_Type;
Item : in Ada.Strings.Unbounded.Unbounded_String) is
begin
case File.Sort is
when Std_In =>
File.Status := Mode_Error;
when Std_Out =>
Ada.Text_IO.Unbounded_IO.Put (Ada.Text_IO.Standard_Output, Item);
File.Status := Success;
when Std_Error =>
Ada.Text_IO.Unbounded_IO.Put (Ada.Text_IO.Standard_Error, Item);
File.Status := Success;
when A_File =>
Ada.Text_IO.Unbounded_IO.Put (File.File, Item);
File.Status := Success;
end case;
exception
when Ada.Text_IO.Status_Error => File.Status := Status_Error;
when Ada.Text_IO.Mode_Error => File.Status := Mode_Error;
when Ada.Text_IO.Device_Error => File.Status := Device_Error;
end Put;
procedure Put
(Item : in Ada.Strings.Unbounded.Unbounded_String) is
begin
Ada.Text_IO.Unbounded_IO.Put (Ada.Text_IO.Standard_Output, Item);
Standard_Output.Status := Success;
exception
when Ada.Text_IO.Status_Error => Standard_Output.Status := Status_Error;
when Ada.Text_IO.Mode_Error => Standard_Output.Status := Mode_Error;
when Ada.Text_IO.Device_Error => Standard_Output.Status := Device_Error;
end Put;
procedure Put_Line
(File : in out File_Type;
Item : in Ada.Strings.Unbounded.Unbounded_String) is
begin
case File.Sort is
when Std_In =>
File.Status := Mode_Error;
when Std_Out =>
Ada.Text_IO.Unbounded_IO.Put_Line
(Ada.Text_IO.Standard_Output, Item);
File.Status := Success;
when Std_Error =>
Ada.Text_IO.Unbounded_IO.Put_Line
(Ada.Text_IO.Standard_Error, Item);
File.Status := Success;
when A_File =>
Ada.Text_IO.Unbounded_IO.Put_Line (File.File, Item);
File.Status := Success;
end case;
exception
when Ada.Text_IO.Status_Error => File.Status := Status_Error;
when Ada.Text_IO.Mode_Error => File.Status := Mode_Error;
when Ada.Text_IO.Device_Error => File.Status := Device_Error;
end Put_Line;
procedure Put_Line
(Item : in Ada.Strings.Unbounded.Unbounded_String) is
begin
Ada.Text_IO.Unbounded_IO.Put_Line (Ada.Text_IO.Standard_Output, Item);
Standard_Output.Status := Success;
exception
when Ada.Text_IO.Status_Error => Standard_Output.Status := Status_Error;
when Ada.Text_IO.Mode_Error => Standard_Output.Status := Mode_Error;
when Ada.Text_IO.Device_Error => Standard_Output.Status := Device_Error;
end Put_Line;
procedure Get_Line
(File : in out File_Type; Item : out Unbounded_String_Result) is
begin
case File.Sort is
when Std_Out | Std_Error =>
Item := (Status => Mode_Error);
File.Status := Mode_Error;
when Std_In =>
Item := (Status => Success,
Item => Ada.Text_IO.Unbounded_IO.Get_Line
(Ada.Text_IO.Standard_Input));
when A_File =>
Item := (Status => Success,
Item => Ada.Text_IO.Unbounded_IO.Get_Line (File.File));
end case;
exception
when Ada.Text_IO.Status_Error =>
Item := (Status => Status_Error);
File.Status := Status_Error;
when Ada.Text_IO.Mode_Error =>
Item := (Status => Mode_Error);
File.Status := Mode_Error;
when Ada.Text_IO.Device_Error =>
Item := (Status => Device_Error);
File.Status := Device_Error;
when Ada.Text_IO.End_Error =>
Item := (Status => End_Error);
File.Status := End_Error;
end Get_Line;
procedure Get_Line
(Item : out Unbounded_String_Result) is
begin
Item := (Status => Success,
Item => Ada.Text_IO.Unbounded_IO.Get_Line
(Ada.Text_IO.Standard_Input));
Standard_Input.Status := Success;
exception
when Ada.Text_IO.Status_Error =>
Item := (Status => Status_Error);
Standard_Input.Status := Status_Error;
when Ada.Text_IO.Mode_Error =>
Item := (Status => Mode_Error);
Standard_Input.Status := Mode_Error;
when Ada.Text_IO.Device_Error =>
Item := (Status => Device_Error);
Standard_Input.Status := Device_Error;
when Ada.Text_IO.End_Error =>
Item := (Status => End_Error);
Standard_Input.Status := End_Error;
end Get_Line;
end SPARK.Text_IO.Unbounded_IO;
|