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

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⟦7578d8c1b⟧ Ada Source

    Length: 5120 (0x1400)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Counter, seg_058d95

Derivation

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

with Text_Io;
package body Counter is
    procedure Reset (The_Object : in out Object) is
    begin
        The_Object.The_Value := Default;
        The_Object.The_Mode := Constrained;
    end Reset;


    procedure Set (The_Object : in out Object; To_Value : Integer := Default) is
    begin
        The_Object.The_Value := To_Value;
    end Set;


    procedure Set (The_Object : in out Object; To_Mode : Mode) is
    begin
        The_Object.The_Mode := To_Mode;
    end Set;


    procedure Up (The_Object : in out Object; Count : Positive := 1) is
    begin  
        if The_Object.The_Mode = Circular then
            The_Object.The_Value :=
               (The_Object.The_Value + Count) mod (Maximum - Minimum);
        end if;
        if The_Object.The_Mode = Constrained then  
            if (The_Object.The_Value + Count > Maximum) then
                The_Object.The_Value := Maximum;
                raise Overflow;  
            else
                The_Object.The_Value := The_Object.The_Value + Count;
            end if;
        end if;
        if The_Object.The_Mode = Checked then  
            The_Object.The_Value := The_Object.The_Value + Count;
            if (The_Object.The_Value > Maximum) then
                raise Overflow;  
            end if;
        end if;
    exception
        when Overflow =>  
            Text_Io.Put_Line
               ("Exception OVERFLOW detectee dans la procedure Up!!!");  
    end Up;


    procedure Down (The_Object : in out Object; Count : Positive := 1) is
    begin
        if The_Object.The_Mode = Circular then
            The_Object.The_Value :=
               (The_Object.The_Value - Count) mod (Maximum - Minimum);
        end if;
        if The_Object.The_Mode = Constrained then  
            if (The_Object.The_Value - Count < Minimum) then
                The_Object.The_Value := Minimum;
                raise Underflow;
            else
                The_Object.The_Value := The_Object.The_Value - Count;
            end if;
        end if;  
        if The_Object.The_Mode = Checked then
            The_Object.The_Value := The_Object.The_Value - Count;
            if (The_Object.The_Value < Minimum) then
                raise Underflow;
            end if;
        end if;
    exception
        when Underflow =>  
            Text_Io.Put_Line
               ("Exception UNDERFLOW detectee dans la procedure Down!!!");
    end Down;


    function Get (The_Object : in Object) return Integer is
    begin
        return The_Object.The_Value;
    end Get;  
end Counter;

    nblk1=4
    nid=3
    hdr6=6
        [0x00] rec0=22 rec1=00 rec2=01 rec3=004
        [0x01] rec0=1a rec1=00 rec2=04 rec3=020
        [0x02] rec0=16 rec1=00 rec2=02 rec3=000
        [0x03] rec0=06 rec1=6b rec2=90 rec3=442
    tail 0x21766d09888e23caf8bf2 0x42a00088462060003
Free Block Chain:
  0x3: 0000  00 00 02 d5 80 1f 3d 20 54 68 65 5f 4f 62 6a 65  ┆      = The_Obje┆