blob: 2e1be764ab74cb57c5995d0e9d073b578b9b886a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Util
open System
type state = Lib.frozen * Summary.frozen
let summary_of_state = snd
let replace_summary (lib,_) s = lib, s
let freeze ~marshallable =
(Lib.freeze ~marshallable, Summary.freeze_summaries ~marshallable)
let unfreeze (fl,fs) =
Lib.unfreeze fl;
Summary.unfreeze_summaries fs
let extern_state s =
System.extern_state Coq_config.state_magic_number s (freeze ~marshallable:`Yes)
let intern_state s =
unfreeze (with_magic_number_check (System.intern_state Coq_config.state_magic_number) s);
Library.overwrite_library_filenames s
(* Rollback. *)
let with_state_protection f x =
let st = freeze ~marshallable:`No in
try
let a = f x in unfreeze st; a
with reraise ->
let reraise = Errors.push reraise in
(unfreeze st; iraise reraise)
let with_state_protection_on_exception = Future.transactify
|
