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Minor_Loop:
while Temp_Minor_Pointer /= null loop
if Class = Multiple_Side then
Root_Object.Object_List.Insert (
New_Item => Temp_Minor_Pointer.Multiple,
On_To => To);
elsif Class = Associative_Side then
Root_Object.Object_List.Insert (
New_Item => Temp_Minor_Pointer.Associative,
On_To => To);
end if;
Temp_Minor_Pointer := Temp_Minor_Pointer.Next;
end loop Minor_Loop;
exit Major_Loop;
end if;
Temp_Major_Pointer := Temp_Major_Pointer.Next;
end loop Major_Loop;
--
end if;
end Navigate;
------------------------------------------------------------------------
-- associative correlated navigation
procedure Navigate (
From : in Root_Object.Object_Access;
Also : in Root_Object.Object_Access;
Class : in Ada.Tags.Tag;
To : out Root_Object.Object_Access) is
-- navigate from two singles to a single
-- valid for:
-- M and S -> A
-- S and M -> A
Temp_Single,
Single_Side_Source ,
Multiple_Side_Source,
Temp_Associative_Multiple,
Temp_Associative_Single : Root_Object.Object_Access := null;
Assoc_Set : Root_Object.Object_List.List_Header_Access_Type := Root_Object.Object_List.Initialise;
Found,
Tags_Correct : Boolean := FALSE;
begin
-- Reset the output pointer to null so that if we don't find anything
-- useful, the caller can check for it.
To := null;
Tags_Correct := ((( From.all'Tag = Multiple_Side) and then
( Also.all'Tag = Single_Side))
or else ((( From.all'Tag = Single_Side) and then
( Also.all'Tag = Multiple_Side)))) ;
if Tags_Correct then
if From.all'Tag = Multiple_Side then
Multiple_Side_Source := From;
Single_Side_Source := Also;
else
Multiple_Side_Source := Also;
Single_Side_Source := From;
end if;
-- Do the navigations now, all is correct.
-- Navigate from multiple side to associative side.
Check_List_For_Multiple (
Multiple_Instance => Multiple_Side_Source,
Associative_Instance => Temp_Associative_Multiple,
Single_Instance => Temp_Single,
Multiple_Instance_Found => Found);
-- Navigate from single side to associative side.
if Found then
-- do the navigation