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Rational R1000/400

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⟦05f9cd904⟧ Ada Source

    Length: 8192 (0x2000)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Generic_Fact, seg_02bad2, separate Generic_Fact_Base

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─ ⟦5a81ac88f⟧ »Space Info Vol 1« 
        └─⟦this⟧ 

E3 Source Code



separate (Generic_Fact_Base)
package body Generic_Fact is

    Class_Identity : Constant_String.Object :=
       Constant_String.Make (Class_Name);

    function Slot_Count return Natural is
        First : Natural := Slot_Names'Pos (Slot_Names'First);
        Last  : Natural := Slot_Names'Pos (Slot_Names'Last);
    begin
        return Last - First + 1;
    end Slot_Count;


    function As_Fact_Slot_Name (Slot_Name : Slot_Names)
                               return Generic_Fact_Base.Slot_Names is
    begin
        return Slot_Names'Pos (Slot_Name) -
                  Slot_Names'Pos (Slot_Names'First) + 1;
    end As_Fact_Slot_Name;


    function As_Anonymous (What : Patterns) return Generic_Fact_Base.Patterns is
        Result : Generic_Fact_Base.Patterns (1 .. Slot_Count);
    begin  
        for Slot_Name in What'Range loop
            Result (As_Fact_Slot_Name (Slot_Name)) := What (Slot_Name);
        end loop;
        return Result;   end As_Anonymous;


    function As_Anonymous (What : Slots) return Working_Memory.Slots is
        Result : Working_Memory.Slots (1 .. Slot_Count);
    begin
        for Slot_Name in What'Range loop
            Result (As_Fact_Slot_Name (Slot_Name)) := What (Slot_Name);
        end loop;
        return Result;
    end As_Anonymous;


    function Exist (What : Patterns) return Query is
    begin
        return Query'(Kind  => Find,
                      Class => Class_Identity,
                      Size  => Slot_Count,
                      Value => As_Anonymous (What));
    end Exist;


    function Not_Any (What : Patterns) return Query is
    begin
        return Query'(Kind  => Check_No,
                      Class => Class_Identity,
                      Size  => Slot_Count,
                      Value => As_Anonymous (What));
    end Not_Any;

    function Get (The_Fact : Object; Slot : Slot_Names) return Integer is
    begin
        return Working_Memory.Get (The_Fact, Slot => As_Fact_Slot_Name (Slot));
    end Get;

    function Get (The_Fact : Object) return Slots is
        Result : Slots;
    begin
        for Slot in Slot_Names loop
            Result (Slot) := Working_Memory.Get
                                (The_Fact, Slot => As_Fact_Slot_Name (Slot));
        end loop;
        return Result;
    end Get;

    procedure Add (The_Fact : Slots) is
    begin
        Working_Memory.Add (Working_Memory.Make
                               (The_Class => Class_Identity,
                                The_Slots => As_Anonymous (The_Fact)));
    end Add;

    procedure Delete (The_Fact : Object) is
    begin
        Working_Memory.Delete (The_Fact);
    end Delete;

    procedure Change (The_Fact : Object; Value : Slots) is
    begin
        Working_Memory.Change
           (The_Fact, Working_Memory.Make (The_Class => Class_Identity,
                                           The_Slots => As_Anonymous (Value)));
    end Change;

    procedure Change (The_Fact : Object;
                      The_Slot : Slot_Names;
                      To_Value : Integer) is
    begin
        Working_Memory.Change
           (The_Fact, As_Fact_Slot_Name (The_Slot), To_Value);
    end Change;

    procedure Put (The_Fact : Object; Where : Output_Stream.Object) is
        First : Boolean := True;
        use Output_Stream;
    begin
        Put (Class_Name & "'(", Where);
        Indent_Right (Where);
        New_Line (Where);
        for I in Slot_Names loop
            if not First then
                Put_Line (", ", Where);
            else
                First := False;
            end if;
            Put (Slot_Names'Image (I) & " =>", Where);
            Put (Attribute_Image (Get (The_Fact, Slot => I)), Where);
        end loop;
        Indent_Left (Where);
        Put_Line (")", Where);
    end Put;

end Generic_Fact;

E3 Meta Data

    nblk1=7
    nid=2
    hdr6=a
        [0x00] rec0=1f rec1=00 rec2=01 rec3=002
        [0x01] rec0=20 rec1=00 rec2=05 rec3=004
        [0x02] rec0=1d rec1=00 rec2=07 rec3=044
        [0x03] rec0=1f rec1=00 rec2=03 rec3=01e
        [0x04] rec0=01 rec1=00 rec2=06 rec3=000
        [0x05] rec0=05 rec1=00 rec2=06 rec3=000
        [0x06] rec0=04 rec1=d4 rec2=00 rec3=002
    tail 0x21523da7683ef71726341 0x42a00088462063c03
Free Block Chain:
  0x2: 0000  00 04 00 14 80 11 20 20 20 20 20 20 20 20 20 20  ┆                ┆
  0x4: 0000  00 00 00 36 80 13 65 20 20 3d 3e 20 56 61 6c 75  ┆   6  e  => Valu┆