1
(************************************************************************)
2
(* v * The Coq Proof Assistant / The Coq Development Team *)
3
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
4
(* \VV/ **************************************************************)
5
(* // * This file is distributed under the terms of the *)
6
(* * GNU Lesser General Public License Version 2.1 *)
7
(************************************************************************)
9
(* $Id: states.ml 12080 2009-04-11 16:56:20Z herbelin $ *)
13
type state = Lib.frozen * Summary.frozen
16
(Lib.freeze(), Summary.freeze_summaries())
18
let unfreeze (fl,fs) =
20
Summary.unfreeze_summaries fs
22
let (extern_state,intern_state) =
23
let (raw_extern, raw_intern) =
24
extern_intern Coq_config.state_magic_number ".coq" in
25
(fun s -> raw_extern s (freeze())),
27
unfreeze (raw_intern (Library.get_load_paths ()) s);
28
Library.overwrite_library_filenames s)
32
let with_heavy_rollback f x =
37
(unfreeze st; raise reraise)
39
let with_state_protection f x =
42
let a = f x in unfreeze st; a
44
(unfreeze st; raise reraise)