Imported Upstream version 8.0pl1upstream/8.0pl1

1 files changed, 29 insertions, 0 deletions

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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        *)
+(************************************************************************)
+
+(*i $Id: states.mli,v 1.6.16.1 2004/07/16 19:30:36 herbelin Exp $ i*)
+
+(*s States of the system. In that module, we provide functions to get
+  and set the state of the whole system. Internally, it is done by
+  freezing the states of both [Lib] and [Summary]. We provide functions 
+  to write and restore state to and from a given file. *)
+
+val intern_state : string -> unit
+val extern_state : string -> unit
+
+type state
+val freeze : unit -> state
+val unfreeze : state -> unit
+
+(*s Rollback. [with_heavy_rollback f x] applies [f] to [x] and restores the
+  state of the whole system as it was before the evaluation if an exception 
+  is raised. *)
+
+val with_heavy_rollback : ('a -> 'b) -> 'a -> 'b
+
+