uses crt;
type
    ancestor=Object
              pos_x,pos_y:integer;
              constructor init;
    end;

    TList = ^TNode;
    TNode = record
             Info:ancestor;
             Next:TList;
     end;

     sos=Object
             ActiveObject:^ancestor;
             Objects:TList;
             constructor init;
     end;

constructor ancestor.init;
var nod,P: TList;
begin
pos_x:=10;
pos_y:=10;
new(nod);
nod^.Info:=ancestor;// не знаю, что присваивать тут.
nod^.Next :=nil;
if sos.Objects=nil then // Что за ошибка Error: Class isn't a parent class of the current class
   sos.Objects:=nod
else
     begin
          P:=sos.Objects;
          while nod^.Next <> nil
	  do P:=P^.Next;
          P^.Next:=nod
     end;
End;

constructor sos.init;
begin
Objects:= nil
end;

uses crt;
type
    pancestor = ^ancestor;
    ancestor = Object
      pos_x, pos_y: integer;
      constructor init(px, py: integer);
    end;

    TList = ^TNode;
    TNode = record
      Info: pancestor;
      Next: TList;
    end;

    sos = Object

      ActiveObject: pancestor;
      Objects: TList;
      constructor init;

      procedure InsertObject(const p: pancestor);

    private
      LastObject: TList;
    end;

constructor ancestor.init(px, py: integer);
var nod,P: TList;
begin
  pos_x := px; pos_y := py;
end;

procedure sos.InsertObject(const p: pancestor);
var adding: TList;
begin
  new(adding);
  with adding^ do begin
    Info := p;
    next := nil;
  end;

  if Objects = nil then Objects := adding
  else LastObject^.next := adding;
  LastObject := adding;
end;

constructor sos.init;
begin
  Objects:= nil; LastObject := nil;
end;

var
  sosObj: sos;
begin
  sosObj.init;
  sosObj.InsertObject(new(pancestor, init(10, 10)));
  //  ...
end.

procedure sos.InsertObject(const p: pancestor);
-----------------------------------------
new(adding);// type identifier expected
-----------------------------------------
end;

adding := new(tlist);

procedure InsertObject(const p: pancestor);
-----------------------------------------------
sosObj.InsertObject(new(pancestor, init(10, 10) ));