(*
    ||M||  This file is part of HELM, an Hypertextual, Electronic        
    ||A||  Library of Mathematics, developed at the Computer Science     
    ||T||  Department, University of Bologna, Italy.                     
    ||I||                                                                
    ||T||  HELM is free software; you can redistribute it and/or         
    ||A||  modify it under the terms of the GNU General Public License   
    \   /  version 2 or (at your option) any later version.              
     \ /   This software is distributed as is, NO WARRANTY.              
      V_______________________________________________________________ *)

module N = Level
module G = Options

type status = {
   delta: bool;    (* global delta-expansion *)
   si: bool;       (* sort inclusion *)
   lenv: N.status; (* level environment *)
}

(* helpers ******************************************************************)

let initial_status () = {
   delta = false;
   si = !G.si; lenv = N.initial_status ();
}

let refresh_status st = {st with
   si = !G.si; lenv = N.initial_status ();
}