File: dischargedhypsmap.ml

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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: dischargedhypsmap.ml 9902 2007-06-21 17:01:21Z herbelin $ *)

open Util
open Libnames
open Names
open Term
open Reduction
open Declarations
open Environ
open Inductive
open Libobject
open Lib
open Nametab

type discharged_hyps = section_path list

let discharged_hyps_map = ref Spmap.empty

let set_discharged_hyps sp hyps = 
  discharged_hyps_map := Spmap.add sp hyps !discharged_hyps_map

let get_discharged_hyps sp =
  try
   Spmap.find sp !discharged_hyps_map
  with Not_found ->
    []

(*s Registration as global tables and rollback. *)

let init () =
  discharged_hyps_map := Spmap.empty

let freeze () = !discharged_hyps_map

let unfreeze dhm = discharged_hyps_map := dhm

let _ = 
  Summary.declare_summary "discharged_hypothesis"
    { Summary.freeze_function = freeze;
      Summary.unfreeze_function = unfreeze;
      Summary.init_function = init;
      Summary.survive_module = false;
      Summary.survive_section = true }