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Rational R1000/400

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⟦4c3f63a4b⟧ Ada Source

    Length: 6144 (0x1800)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Put_Block_On_New_Tower_Rule, seg_04b79f, separate Fruit_Rule_Bundle_1

Derivation

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

E3 Source Code



with Visual_System_1;
separate (Fruit_Rule_Bundle_1)

package body Put_Block_On_New_Tower_Rule is

    function Premiss return Fact_Queries is
        use Fruit_Frames_1;
    begin
        return (Markers.Exist ((Name => Is_Equal (Top_Block_Marker_Name))),
                Markers.Exist ((Name => Is_Equal (Selected_Block_Marker_Name))),
                Markers.Exist ((Name => Is_Equal
                                           (Top_Copied_Model_Marker_Name))),
                Markers.Exist ((Name => Is_Equal (Model_Marker_Name))));
    end Premiss;


    procedure Action (Objects : Fact_Collection) is  
        use Visual_System_1;
        use Fruit_Frames_1;
        Top_Block_Marker        : Fact_Name renames Objects (1);
        Selected_Marker         : Fact_Name renames Objects (2);
        Top_Copied_Model_Marker : Fact_Name renames Objects (3);  
        Model_Marker            : Fact_Name renames Objects (4);
        Moving_Possible         : Boolean := True;  
        The_Label               : Labels;
    begin

        if Is_Same (Selected_Block_Marker_Id, Top_Block_Marker_Id) then
            -- when the selected block is on the top of a stack

            Moving_Possible := Move (Top_Copied_Model_Marker_Id, Up);
            Put_Block (Block_Marked_With_Id    => Selected_Block_Marker_Id,
                       On_Marked_Place_With_Id => Top_Copied_Model_Marker_Id);

            Markers.Delete (Selected_Marker);
            Markers.Delete (Top_Block_Marker);

            --seasrch the next block to be copied
            Moving_Possible := True;
            Moving_Possible := Move (Model_Marker_Id, Up);

            if (Get_Label (Model_Marker_Id) = Null_Label) or
               (not Moving_Possible) then
                -- the model has been copied
                Markers.Delete (Model_Marker);
            end if;  
        else
            -- first the top of the stack must be moved away until the
            -- selected block is on the top

            -- to search a free place on table begin at bottom right
            Moving_Possible := True;
            while Moving_Possible loop
                Moving_Possible := Move (On_Table_Marker_Id, Down);
            end loop;
            Moving_Possible := True;
            while Moving_Possible loop
                Moving_Possible := Move (On_Table_Marker_Id, Right);
            end loop;

            -- search a free place on table
            Moving_Possible := True;
            while (Get_Label (On_Table_Marker_Id) /= Null_Label) and
                     Moving_Possible loop  
                Moving_Possible := Move (On_Table_Marker_Id, Left);
            end loop;

            if not Moving_Possible then
                -- no free place on table : STOP !
                Markers.Delete (Model_Marker);
            else

                Put_Block (Block_Marked_With_Id    => Top_Block_Marker_Id,
                           On_Marked_Place_With_Id => On_Table_Marker_Id);
                Markers.Delete (Top_Block_Marker);
            end if;

        end if;
    end Action;


end Put_Block_On_New_Tower_Rule;

E3 Meta Data

    nblk1=5
    nid=0
    hdr6=a
        [0x00] rec0=19 rec1=00 rec2=01 rec3=04e
        [0x01] rec0=01 rec1=00 rec2=05 rec3=040
        [0x02] rec0=18 rec1=00 rec2=04 rec3=056
        [0x03] rec0=19 rec1=00 rec2=03 rec3=062
        [0x04] rec0=09 rec1=00 rec2=02 rec3=000
    tail 0x21750a24886835c568599 0x42a00088462063c03