DataMuseum.dk

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    Length: 2845 (0xb1d)
    Types: TextFile
    Names: »V«

└─⟦afbc8121e⟧ Bits:30000532 8mm tape, Rational 1000, MC68020_OS2000 7_2_2
    └─ ⟦77aa8350c⟧ »DATA« 
        └─⟦f794ecd1d⟧ 
            └─⟦4c85d69e2⟧ 
                └─⟦this⟧ 

TextFile

with Io_Exceptions;
pragma Elaborate (Io_Exceptions);

generic
    type Element_Type is private;
package Sequential_Io is

    type File_Type is limited private;

    type File_Mode is (In_File, Out_File);


    -- File management


    procedure Create (File : in out File_Type;
                      Mode :        File_Mode := Out_File;
                      Name :        String    := "";
                      Form :        String    := "");

    procedure Open (File : in out File_Type;
                    Mode :        File_Mode;
                    Name :        String;
                    Form :        String := "");

    procedure Close  (File : in out File_Type);
    procedure Delete (File : in out File_Type);
    procedure Reset  (File : in out File_Type; Mode : File_Mode);
    procedure Reset  (File : in out File_Type);

    function Mode (File : File_Type) return File_Mode;
    function Name (File : File_Type) return String;
    function Form (File : File_Type) return String;

    function Is_Open (File : File_Type) return Boolean;

    -- Input and output operations

    procedure Read  (File : File_Type; Item : out Element_Type);
    procedure Write (File : File_Type; Item : Element_Type);

    function End_Of_File (File : File_Type) return Boolean;

    -- Exceptions

    Status_Error : exception renames Io_Exceptions.Status_Error;
    Mode_Error   : exception renames Io_Exceptions.Mode_Error;
    Name_Error   : exception renames Io_Exceptions.Name_Error;
    Use_Error    : exception renames Io_Exceptions.Use_Error;
    Device_Error : exception renames Io_Exceptions.Device_Error;
    End_Error    : exception renames Io_Exceptions.End_Error;
    Data_Error   : exception renames Io_Exceptions.Data_Error;

private

    -- implementation dependent

    -- In order to have the spec of Direct_Io not be compilation dependent
    -- on any non-LRM packages, File_Type is declared as a dummy access.
    -- Unchecked_Conversion is used in the body of Direct_Io to convert to
    -- the actual file type;

    type File_Type is access Integer;

    -- suppress creation of a collection for File_Type
    for File_Type'Storage_Size use 0;


    pragma Suppress (Elaboration_Check, On => Create);
    pragma Suppress (Elaboration_Check, On => Open);
    pragma Suppress (Elaboration_Check, On => Close);
    pragma Suppress (Elaboration_Check, On => Delete);
    pragma Suppress (Elaboration_Check, On => Reset);
    pragma Suppress (Elaboration_Check, On => Mode);
    pragma Suppress (Elaboration_Check, On => Name);
    pragma Suppress (Elaboration_Check, On => Form);
    pragma Suppress (Elaboration_Check, On => Is_Open);
    pragma Suppress (Elaboration_Check, On => Read);
    pragma Suppress (Elaboration_Check, On => Write);
    pragma Suppress (Elaboration_Check, On => End_Of_File);

end Sequential_Io;