DataMuseum.dk Presents historical artifacts from the history of: Rational R1000/400

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⟦8607df464⟧ Ada Source

    Length: 6144 (0x1800)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Plant, package body Self, seg_03a5fc

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─ ⟦cfc2e13cd⟧ »Space Info Vol 2« 
        └─⟦this⟧ 

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

package body Plant is

    procedure Free is new Unchecked_Deallocation (State, State_Ptr);


    function Plant_View_Of is
       new Unchecked_Conversion (Source => Root.Object, Target => State_Ptr);


    function Root_View_Of is
       new Unchecked_Conversion (Source => State_Ptr, Target => Root.Object);


    function Create (Offspring : Natural) return Root.Object is
        This_Object : Root.Object;
        This_State_Ptr : State_Ptr;
    begin
        This_State_Ptr := new State;
        This_State_Ptr.Offspring := Offspring;
        This_Object := Root.Create (1);
        Root.Set_Heir (This_Object, Root_View_Of (This_State_Ptr));

        return This_Object;

    end Create;


    procedure Delete (This_Object : in out Root.Object) is
        This_State_Ptr : State_Ptr := Part_Of (This_Object);
    begin
        case This_State_Ptr.Offspring is
            when 0 =>
                Free (This_State_Ptr);
                Root.Delete (This_Object);
            when 1 =>
                Vegetable.Delete (This_Object);
            when others =>
                raise Oo_Ada_Exception.Offspring_Error;
        end case;

    end Delete;


    procedure Set_X (This_State_Ptr : State_Ptr; This_X : Natural) is
    begin
        This_State_Ptr.X := This_X;
    end Set_X;


    function Get_X (This_State_Ptr : State_Ptr) return Natural is
    begin
        return This_State_Ptr.X;

    end Get_X;


    package Self is
        procedure Grow (This_Object : Root.Object; Marker : Boolean := False);
    end Self;


    package body Self is
        procedure Grow (This_Object : Root.Object; Marker : Boolean := False) is
        begin
            Text_Io.Put_Line ("The plant is growing ...");
        end Grow;
    end Self;


    procedure Grow (This_Object : Root.Object; Marker : Boolean := False) is
        This_State_Ptr : State_Ptr := Part_Of (This_Object);
    begin
        case This_State_Ptr.Offspring is
            when 0 =>
                Self.Grow (This_Object);

            when 1 =>  
                if not Marker then
                    Vegetable.Grow (This_Object);
                else
                    Self.Grow (This_Object);

                end if;

            when others =>
                raise Oo_Ada_Exception.Offspring_Error;
        end case;
    end Grow;


    function Part_Of (This_Object : Root.Object) return State_Ptr is
        This_State_Ptr : State_Ptr;
    begin
        This_State_Ptr := Plant_View_Of (S => Root.Get_Heir (This_Object));
        if This_State_Ptr = null then
            raise Oo_Ada_Exception.Part_Of_Error;
        end if;
        return This_State_Ptr;
    end Part_Of;


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


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

end Plant;

    nblk1=5
    nid=4
    hdr6=8
        [0x00] rec0=26 rec1=00 rec2=01 rec3=008
        [0x01] rec0=27 rec1=00 rec2=03 rec3=028
        [0x02] rec0=20 rec1=00 rec2=02 rec3=072
        [0x03] rec0=0d rec1=00 rec2=05 rec3=000
        [0x04] rec0=04 rec1=00 rec2=04 rec3=000
    tail 0x21737db0c8507798eca71 0x42a00088462060003
Free Block Chain:
  0x4: 0000  00 00 00 3c 80 12 69 73 5f 53 74 61 74 65 5f 50  ┆   <  is_State_P┆