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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: 1286 (0x506)
Types: TextFile
Names: »B«
└─⟦a7d1ea751⟧ Bits:30000550 8mm tape, Rational 1000, !users!projects 94_04_11
└─⟦129cab021⟧ »DATA«
└─⟦this⟧
with Scanner;
with Object;
with Statements;
with Bounded_String;
package body More_Statements is
type Node_Structure is
record
Rule : Natural range 0 .. 1 := 0;
Stat : Statements.Node := Statements.Empty_Node;
end record;
procedure Parse (N : in out Node; Error : out Boolean) is
Failed : Boolean := False;
begin
N := new Node_Structure;
if Bounded_String.Image (Scanner.Get_Value) = "." then
N.Rule := 1;
Scanner.Next;
Statements.Parse (N.Stat, Failed);
else
N.Rule := 0;
end if;
Error := Failed;
end Parse;
function Is_First (T : Scanner.Token) return Boolean is
use Scanner;
begin
return T = Special or else Statements.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 := Statements.Interpret (N.Stat);
end case;
return Result;
end Interpret;
end More_Statements;