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DataMuseum.dkPresents historical artifacts from the history of: Rational R1000/400 Tapes |
This is an automatic "excavation" of a thematic subset of
See our Wiki for more about Rational R1000/400 Tapes Excavated with: AutoArchaeologist - Free & Open Source Software. |
top - metrics - downloadIndex: B T
Length: 1432 (0x598)
Types: TextFile
Names: »B«
└─⟦2f6cfab89⟧ Bits:30000547 8mm tape, Rational 1000, !projects 94-01-04
└─⟦d65440be7⟧ »DATA«
└─⟦this⟧
with Binary;
with More_Value;
with Object;
with Scanner;
package body Value is
type Node_Structure is
record
Bin : Binary.Node := Binary.Empty_Node;
More : More_Value.Node := More_Value.Empty_Node;
end record;
procedure Parse (N : in out Node; Error : out Boolean) is
Failed : Boolean := False;
begin
if Binary.Is_First (Scanner.Get_Token) then
N := new Node_Structure;
Binary.Parse (N.Bin, Failed);
if not Failed then
More_Value.Parse (N.More, Failed);
end if;
else
Failed := True;
end if;
Error := Failed;
end Parse;
function Is_First (T : Scanner.Token) return Boolean is
use Scanner;
begin
return Binary.Is_First (T);
end Is_First;
function Interpret (N : Node;
Inherited : Object.Reference := Object.Void_Reference)
return Object.Reference is
Result : Object.Reference;
begin
case N.Rule is
when 0 =>
Result := Inherited;
when 1 =>
Result := Expression.Interpret (N.Expr);
Result := More_Statements.Interpret (N.More, Result);
when 2 =>
Result := Expression.Interpret (N.Expr);
end case;
return Result;
end Interpret;
end Value;