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(* $Id$ *)
open Names
open Univ
(* open Generic *)
open Term
open Sign
(* Constant entries *)
type lazy_constant_value =
| Cooked of constr
| Recipe of (unit -> constr)
type constant_value = lazy_constant_value ref
type constant_body = {
const_kind : path_kind;
const_body : constant_value option;
const_type : typed_type;
const_hyps : var_context;
const_constraints : constraints;
mutable const_opaque : bool }
let is_defined cb =
match cb.const_body with Some _ -> true | _ -> false
let is_opaque cb = cb.const_opaque
let cook_constant = function
| { contents = Cooked c } -> c
| { contents = Recipe f } as v -> let c = f () in v := Cooked c; c
type constant_entry = {
const_entry_body : lazy_constant_value;
const_entry_type : constr option }
(* Inductive entries *)
type recarg =
| Param of int
| Norec
| Mrec of int
| Imbr of inductive_path * recarg list
type one_inductive_body = {
mind_consnames : identifier array;
mind_typename : identifier;
mind_nf_lc : typed_type array;
mind_nf_arity : typed_type;
(* lc and arity as given by user if not in nf; useful e.g. for Ensemble.v *)
mind_user_lc : constr array option;
mind_user_arity : constr option;
mind_sort : sorts;
mind_nrealargs : int;
mind_kelim : sorts list;
mind_listrec : (recarg list) array;
mind_finite : bool }
type mutual_inductive_body = {
mind_kind : path_kind;
mind_ntypes : int;
mind_hyps : var_context;
mind_packets : one_inductive_body array;
mind_constraints : constraints;
mind_singl : constr option;
mind_nparams : int }
let mind_type_finite mib i = mib.mind_packets.(i).mind_finite
let mind_user_lc mip = match mip.mind_user_lc with
| None -> Array.map body_of_type mip.mind_nf_lc
| Some lc -> lc
let mind_user_arity mip = match mip.mind_user_arity with
| None -> body_of_type mip.mind_nf_arity
| Some a -> a
(*s Declaration. *)
type mutual_inductive_entry = {
mind_entry_nparams : int;
mind_entry_finite : bool;
mind_entry_inds : (identifier * constr * identifier list * constr list) list}
let mind_nth_type_packet mib n = mib.mind_packets.(n)
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