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(* $Id$ *)
open Util
open Generic
open Term
open Instantiate
open Sign
open Safe_typing
open Summary
(* We introduce here the global environment of the system, and we declare it
as a synchronized table. *)
let global_env = ref empty_environment
let safe_env () = !global_env
let env () = env_of_safe_env !global_env
let _ =
declare_summary "Global environment"
{ freeze_function = (fun () -> !global_env);
unfreeze_function = (fun fr -> global_env := fr);
init_function = (fun () -> global_env := empty_environment) }
(* Then we export the functions of [Typing] on that environment. *)
let universes () = universes !global_env
let context () = context !global_env
let var_context () = var_context !global_env
let push_var idc = global_env := push_var idc !global_env
let push_rel nac = global_env := push_rel nac !global_env
let add_constant sp ce = global_env := add_constant sp ce !global_env
let add_parameter sp c = global_env := add_parameter sp c !global_env
let add_mind sp mie = global_env := add_mind sp mie !global_env
let add_constraints c = global_env := add_constraints c !global_env
let pop_vars ids = global_env := pop_vars ids !global_env
let lookup_var id = lookup_var id !global_env
let lookup_rel n = lookup_rel n !global_env
let lookup_constant sp = lookup_constant sp !global_env
let lookup_mind sp = lookup_mind sp !global_env
let lookup_mind_specif c = lookup_mind_specif c !global_env
let export s = export !global_env s
let import cenv = global_env := import cenv !global_env
(* Some instanciations of functions from [Environ]. *)
let id_of_global id = Environ.id_of_global (env_of_safe_env !global_env) id
(* Re-exported functions of [Inductive], composed with [lookup_mind_specif]. *)
open Inductive
let mind_is_recursive = Util.compose mis_is_recursive lookup_mind_specif
let mind_nconstr = Util.compose mis_nconstr lookup_mind_specif
let mind_nparams = Util.compose mis_nparams lookup_mind_specif
let mind_arity = Util.compose mis_arity lookup_mind_specif
let mind_lc_without_abstractions =
Util.compose mis_lc_without_abstractions lookup_mind_specif
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