DataMuseum.dk

Presents historical artifacts from the history of:

Rational R1000/400 Tapes

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about Rational R1000/400 Tapes

Excavated with: AutoArchaeologist - Free & Open Source Software.


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Index: ┃ B T

⟦f7e0aa271⟧ TextFile

    Length: 1189 (0x4a5)
    Types: TextFile
    Names: »B«

Derivation

└─⟦a7d1ea751⟧ Bits:30000550 8mm tape, Rational 1000, !users!projects 94_04_11
    └─ ⟦129cab021⟧ »DATA« 
        └─⟦this⟧ 
└─⟦2f6cfab89⟧ Bits:30000547 8mm tape, Rational 1000, !projects 94-01-04
    └─ ⟦d65440be7⟧ »DATA« 
        └─⟦this⟧ 

TextFile

package body Stack_Lifo is

    procedure Push (File : in out Object; The_Element : Integer) is
    begin
        if not Is_Full (File) then
            File.The_Contents (File.The_Head + 1) := The_Element;
            File.The_Head := File.The_Head + 1;
        else
            raise Full;
        end if;
    end Push;


    procedure Pop (File : in out Object; The_Element : out Integer) is
    begin
        if not Is_Empty (File) then
            The_Element := File.The_Contents (File.The_Head);
            File.The_Head := File.The_Head - 1;  
        else
            raise Empty;
        end if;
    end Pop;


    function The_Top (File : Object) return Integer is
    begin
        return File.The_Contents (File.The_Head);
    end The_Top;


    function Is_Empty (File : Object) return Boolean is
    begin
        if File.The_Head = 1 then
            return True;
        else
            return False;
        end if;
    end Is_Empty;


    function Is_Full (File : Object) return Boolean is
    begin
        if File.The_Head = File.The_Contents'Last then
            return True;
        else
            return False;
        end if;
    end Is_Full;

end Stack_Lifo;