(***********************************************************************)
(*  v      *   The Coq Proof Assistant  /  The Coq Development Team    *)
(* <O___,, *        INRIA-Rocquencourt  &  LRI-CNRS-Orsay              *)
(*   \VV/  *************************************************************)
(*    //   *      This file is distributed under the terms of the      *)
(*         *       GNU Lesser General Public License Version 2.1       *)
(***********************************************************************)

(* $Id$ *)

open Names
open Term
open Declarations
open Environ
open Evd

(* An inductive type with its parameters *)
type inductive_family = inductive * constr list
val make_ind_family : 'a * 'b -> 'a * 'b
val dest_ind_family : 'a * 'b -> 'a * 'b
val liftn_inductive_family : int -> int -> inductive_family -> inductive_family
val lift_inductive_family  : int -> inductive_family -> inductive_family
val substnl_ind_family :
  constr list -> int -> inductive_family -> inductive_family

(* An inductive type with its parameters and real arguments *)
type inductive_type = IndType of inductive_family * constr list
val make_ind_type : inductive_family * constr list -> inductive_type
val dest_ind_type : inductive_type -> inductive_family * constr list
val liftn_inductive_type : int -> int -> inductive_type -> inductive_type
val lift_inductive_type  : int -> inductive_type -> inductive_type
val substnl_ind_type :
  constr list -> int -> inductive_type -> inductive_type

val mkAppliedInd : inductive_type -> constr
val mis_is_recursive_subset : int list -> one_inductive_body -> bool
val mis_is_recursive : mutual_inductive_body * one_inductive_body -> bool
val mis_nf_constructor_type :
  inductive * mutual_inductive_body * one_inductive_body -> int -> constr

type constructor_summary = {
  cs_cstr : constructor;
  cs_params : constr list;
  cs_nargs : int;
  cs_args : Sign.rel_context;
  cs_concl_realargs : constr array;
} 
val lift_constructor : int -> constructor_summary -> constructor_summary
val get_constructor :
  inductive * mutual_inductive_body * one_inductive_body * constr list ->
  int -> constructor_summary
val get_constructors :
  env -> inductive * constr list -> constructor_summary array
val get_arity : env -> inductive * constr list -> Sign.arity
val build_dependent_constructor : constructor_summary -> constr
val build_dependent_inductive   : env -> inductive * constr list -> constr
val make_arity_signature :
  env -> bool -> inductive * constr list -> Sign.rel_context
val make_arity : env -> bool -> inductive * constr list -> sorts -> types
val build_branch_type : env -> bool -> constr -> constructor_summary -> types

exception Induc
val extract_mrectype : constr -> inductive * constr list
val find_mrectype    : env -> evar_map -> constr -> inductive * constr list
val find_rectype     : env -> evar_map -> constr -> inductive_type
val find_inductive   : env -> evar_map -> constr -> inductive * constr list
val find_coinductive : env -> evar_map -> constr -> inductive * constr list

val type_case_branches_with_names :
  env -> inductive * constr list -> unsafe_judgment -> constr ->
    types array * types
val make_case_info :
  env -> inductive -> case_style option -> pattern_source array -> case_info
val make_default_case_info : env -> inductive -> case_info

val control_only_guard : env -> types -> unit