(* --------------------------------------------------------------------
 * Copyright (c) - 2012--2015 - IMDEA Software Institute
 * Copyright (c) - 2012--2015 - Inria
 * 
 * Distributed under the terms of the CeCILL-C-V1 license
 * -------------------------------------------------------------------- *)

(* -------------------------------------------------------------------- *)
open EcSymbols
open EcDecl
open EcModules

(* -------------------------------------------------------------------- *)
type theory = theory_item list

and theory_item =
  | Th_type      of (symbol * tydecl)
  | Th_operator  of (symbol * operator)
  | Th_axiom     of (symbol * axiom)
  | Th_modtype   of (symbol * module_sig)
  | Th_module    of module_expr
  | Th_theory    of (symbol * (theory * thmode))
  | Th_export    of EcPath.path
  | Th_instance  of (ty_params * EcTypes.ty) * tcinstance
  | Th_typeclass of (symbol * typeclass)
  | Th_baserw    of symbol
  | Th_addrw     of EcPath.path * EcPath.path list
  | Th_auto      of EcPath.Sp.t

and tcinstance = [ `Ring of ring | `Field of field | `General of EcPath.path ]
and thmode     = [ `Abstract | `Concrete ]

(* -------------------------------------------------------------------- *)
type ctheory = {
  cth_desc   : ctheory_desc;
  cth_struct : ctheory_struct;
}

and ctheory_desc =
  | CTh_struct of ctheory_struct
  | CTh_clone  of ctheory_clone

and ctheory_struct = ctheory_item list

and ctheory_item =
  | CTh_type      of (symbol * tydecl)
  | CTh_operator  of (symbol * operator)
  | CTh_axiom     of (symbol * axiom)
  | CTh_modtype   of (symbol * module_sig)
  | CTh_module    of module_expr
  | CTh_theory    of (symbol * (ctheory * thmode))
  | CTh_export    of EcPath.path
  | CTh_instance  of (ty_params * EcTypes.ty) * tcinstance
  | CTh_typeclass of (symbol * typeclass)
  | CTh_baserw    of symbol
  | CTh_addrw     of EcPath.path * EcPath.path list
  | CTh_auto      of EcPath.Sp.t

and ctheory_clone = {
  cthc_base : EcPath.path;
  cthc_ext  : (EcIdent.t * ctheory_override) list;
}

and ctheory_override =
| CTHO_Type   of EcTypes.ty

(* -------------------------------------------------------------------- *)
val module_comps_of_module_sig_comps:
  module_sig_body -> module_item list

val module_expr_of_module_sig:
  EcIdent.t -> module_type -> module_sig -> mod_restr -> module_expr