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    Length: 2548 (0x9f4)
    Types: TextFile
    Names: »B«

└─⟦a7d1ea751⟧ Bits:30000550 8mm tape, Rational 1000, !users!projects 94_04_11
    └─ ⟦129cab021⟧ »DATA« 
        └─⟦this⟧ 

TextFile

with Oo_Ada_Exception;
with Text_Io;
with Unchecked_Conversion;
with Unchecked_Deallocation;

package body Bird_Of_Prey is

    type State is
        record
            Offspring_No : Natural := 0;
            Heir : Animal.Application.Object;
        end record;

    function Bird_Of_Prey_View_Of is
       new Unchecked_Conversion
              (Source => Animal.Application.Object, Target => State_Ptr);

    function Application_View_Of is
       new Unchecked_Conversion (Source => State_Ptr,
                                 Target => Animal.Application.Object);

    procedure Free is new Unchecked_Deallocation (State, State_Ptr);


    function Create (Offspring_No : Natural := 0) return Object is
        This_Bird : Bird.Object;
        This_State_Ptr : State_Ptr;
        Bird_State_Ptr : Bird.State_Ptr;
    begin
        This_State_Ptr := new State;
        This_State_Ptr.Offspring_No := Offspring_No;
        This_Bird := Bird.Create (1);
        Bird_State_Ptr := Bird.Part_Of (This_Bird);
        Bird.Set_Heir (Bird_State_Ptr, Application_View_Of (This_State_Ptr));

        return Object (This_Bird);
    end Create;

    package Self is
        procedure Sleep (This_Object : Object);
    end Self;

    package body Self is separate;


    procedure Sleep (This_Object : Object;
                     Marker : Boolean := False) is separate;


    procedure Delete (This_Bird_Of_Prey : in out Object) is separate;


    -- procedure Image (This_Bird_Of_Prey : Object) is
    -- begin
    --     Text_Io.Put_Line ("bird of prey is:");
    --     Bird.Image (Bird.Object (This_Bird_Of_Prey));
    --
    -- end Image;


    function Part_Of (This_Bird_Of_Prey : Object) return State_Ptr is
        This_State_Ptr : State_Ptr;

    begin
        This_State_Ptr := Bird_Of_Prey_View_Of
                             (S => Bird.Get_Heir
                                      (Bird.Part_Of (Bird.Object
                                                        (This_Bird_Of_Prey))));
        if This_State_Ptr = null then
            raise Oo_Ada_Exception.Part_Of_Error;
        else
            return This_State_Ptr;
        end if;
    end Part_Of;


    procedure Set_Heir (This_State_Ptr : in out State_Ptr;
                        Heir : Animal.Application.Object) is
    begin
        This_State_Ptr.Heir := Heir;
    end Set_Heir;


    function Get_Heir (This_State_Ptr : State_Ptr)
                      return Animal.Application.Object is
    begin
        return This_State_Ptr.Heir;
    end Get_Heir;

end Bird_Of_Prey;