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

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⟦2cee6088d⟧ Ada Source

    Length: 3072 (0xc00)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Value, seg_03506b, seg_0363af, seg_03690a

Derivation

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

with Object, Binary, Message, More_Value, Argument, Scanner;
package body Value is

    type Node_Structure is
        record  
            Rule : Natural range 0 .. 1 := 0;
            Bin : Binary.Node := Binary.Empty_Node;
            More : More_Value.Node := More_Value.Empty_Node;
            Mess : Message.List;
            Args : Argument.List;  
            Line : Natural;
        end record;

    procedure Parse (N : in out Node) is  
        use Scanner;
    begin  
        N := new Node_Structure;
        N.Line := Scanner.Get_Line_Number;
        Binary.Parse (N.Bin);
        if More_Value.Is_First (Scanner.Get_Token) then  
            N.Rule := 1;
            More_Value.Parse (N.More);
        end if;
    end Parse;

    procedure Unparse (N : in Node) is
    begin  
        Scanner.Set_Line_Number (N.Line);
        Binary.Unparse (N.Bin);
        case N.Rule is
            when 0 =>
                null;
            when 1 =>
                More_Value.Unparse (N.More);
        end case;
    end Unparse;

    function Interpret (N : Node) return Object.Reference is
        Obj, Result : Object.Reference;
    begin  
        Scanner.Set_Line_Number (N.Line);
        case N.Rule is
            when 0 =>
                Result := Binary.Interpret (N.Bin);
            when 1 =>
                Obj := Binary.Interpret (N.Bin);
                Message.Init (N.Mess);  
                Argument.Init (N.Args);
                More_Value.Interpret (N.More, N.Mess, N.Args);
                Result := Message.Send (Obj, N.Mess, N.Args);
        end case;
        return Result;
    end Interpret;
end Value;

    nblk1=2
    nid=0
    hdr6=4
        [0x00] rec0=22 rec1=00 rec2=01 rec3=022
        [0x01] rec0=16 rec1=00 rec2=02 rec3=001
    tail 0x2173192a284d84ea8a7d0 0x42a00088462060003