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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(* $Id$ *)
open Util
open Names
open Sign
open Univ
open Term
open Declarations
(* The type of environments. *)
type key = int option ref
type constant_key = constant_body * key
type globals = {
env_constants : constant_key Cmap.t;
env_inductives : mutual_inductive_body KNmap.t;
env_modules : module_body MPmap.t;
env_modtypes : module_type_body MPmap.t;
env_alias : module_path MPmap.t }
type stratification = {
env_universes : universes;
env_engagement : engagement option
}
type val_kind =
| VKvalue of values * Idset.t
| VKnone
type lazy_val = val_kind ref
type named_vals = (identifier * lazy_val) list
type env = {
env_globals : globals;
env_named_context : named_context;
env_named_vals : named_vals;
env_rel_context : rel_context;
env_rel_val : lazy_val list;
env_nb_rel : int;
env_stratification : stratification;
retroknowledge : Retroknowledge.retroknowledge }
type named_context_val = named_context * named_vals
val empty_named_context_val : named_context_val
val empty_env : env
(* Rel context *)
val nb_rel : env -> int
val push_rel : rel_declaration -> env -> env
val lookup_rel_val : int -> env -> lazy_val
val env_of_rel : int -> env -> env
(* Named context *)
val push_named_context_val :
named_declaration -> named_context_val -> named_context_val
val push_named : named_declaration -> env -> env
val lookup_named_val : identifier -> env -> lazy_val
val env_of_named : identifier -> env -> env
(* Global constants *)
val lookup_constant_key : constant -> env -> constant_key
val lookup_constant : constant -> env -> constant_body
(* Mutual Inductives *)
val lookup_mind : mutual_inductive -> env -> mutual_inductive_body
(* Find the ultimate inductive in the [mind_equiv] chain *)
val scrape_mind : env -> mutual_inductive -> mutual_inductive
|
