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-rw-r--r--lib/cSig.mli2
-rw-r--r--lib/dyn.ml15
-rw-r--r--lib/dyn.mli6
-rw-r--r--lib/future.ml7
-rw-r--r--lib/future.mli3
-rw-r--r--library/libobject.ml4
-rw-r--r--library/libobject.mli4
-rw-r--r--library/summary.ml4
-rw-r--r--library/summary.mli4
-rw-r--r--stm/stm.ml5
10 files changed, 47 insertions, 7 deletions
diff --git a/lib/cSig.mli b/lib/cSig.mli
index 2a8bda293..4463e8d9c 100644
--- a/lib/cSig.mli
+++ b/lib/cSig.mli
@@ -45,3 +45,5 @@ sig
end
(** Redeclaration of OCaml set signature, to preserve compatibility. See OCaml
documentation for more information. *)
+
+module type EmptyS = sig end
diff --git a/lib/dyn.ml b/lib/dyn.ml
index 056b68731..60167ef1b 100644
--- a/lib/dyn.ml
+++ b/lib/dyn.ml
@@ -9,6 +9,19 @@
open Errors
open Pp
+module type S =
+sig
+type t
+
+val create : string -> ('a -> t) * (t -> 'a)
+val tag : t -> string
+val has_tag : t -> string -> bool
+val pointer_equal : t -> t -> bool
+val dump : unit -> (int * string) list
+end
+
+module Make(M : CSig.EmptyS) =
+struct
(* Dynamics, programmed with DANGER !!! *)
type t = int * Obj.t
@@ -48,3 +61,5 @@ let tag (s,_) =
let pointer_equal (t1,o1) (t2,o2) = t1 = t2 && o1 == o2
let dump () = Int.Map.bindings !dyntab
+
+end \ No newline at end of file
diff --git a/lib/dyn.mli b/lib/dyn.mli
index cac912aca..55c4f0ce8 100644
--- a/lib/dyn.mli
+++ b/lib/dyn.mli
@@ -8,6 +8,8 @@
(** Dynamics. Use with extreme care. Not for kids. *)
+module type S =
+sig
type t
val create : string -> ('a -> t) * (t -> 'a)
@@ -15,3 +17,7 @@ val tag : t -> string
val has_tag : t -> string -> bool
val pointer_equal : t -> t -> bool
val dump : unit -> (int * string) list
+end
+
+(** FIXME: use OCaml 4.02 generative functors when available *)
+module Make(M : CSig.EmptyS) : S
diff --git a/lib/future.ml b/lib/future.ml
index 78a158264..b6012ed20 100644
--- a/lib/future.ml
+++ b/lib/future.ml
@@ -7,8 +7,9 @@
(************************************************************************)
(* To deal with side effects we have to save/restore the system state *)
-let freeze = ref (fun () -> assert false : unit -> Dyn.t)
-let unfreeze = ref (fun _ -> () : Dyn.t -> unit)
+type freeze
+let freeze = ref (fun () -> assert false : unit -> freeze)
+let unfreeze = ref (fun _ -> () : freeze -> unit)
let set_freeze f g = freeze := f; unfreeze := g
let not_ready_msg = ref (fun name ->
@@ -58,7 +59,7 @@ type 'a assignement = [ `Val of 'a | `Exn of Exninfo.iexn | `Comp of 'a computat
and 'a comp =
| Delegated of (unit -> unit)
| Closure of (unit -> 'a)
- | Val of 'a * Dyn.t option
+ | Val of 'a * freeze option
| Exn of Exninfo.iexn (* Invariant: this exception is always "fixed" as in fix_exn *)
and 'a comput =
diff --git a/lib/future.mli b/lib/future.mli
index adc15e49c..29b71b70a 100644
--- a/lib/future.mli
+++ b/lib/future.mli
@@ -157,10 +157,11 @@ val transactify : ('a -> 'b) -> 'a -> 'b
(** Debug: print a computation given an inner printing function. *)
val print : ('a -> Pp.std_ppcmds) -> 'a computation -> Pp.std_ppcmds
+type freeze
(* These functions are needed to get rid of side effects.
Thy are set for the outermos layer of the system, since they have to
deal with the whole system state. *)
-val set_freeze : (unit -> Dyn.t) -> (Dyn.t -> unit) -> unit
+val set_freeze : (unit -> freeze) -> (freeze -> unit) -> unit
val customize_not_ready_msg : (string -> Pp.std_ppcmds) -> unit
val customize_not_here_msg : (string -> Pp.std_ppcmds) -> unit
diff --git a/library/libobject.ml b/library/libobject.ml
index 85c830ea2..c63875907 100644
--- a/library/libobject.ml
+++ b/library/libobject.ml
@@ -9,6 +9,8 @@
open Libnames
open Pp
+module Dyn = Dyn.Make(struct end)
+
(* The relax flag is used to make it possible to load files while ignoring
failures to incorporate some objects. This can be useful when one
wants to work with restricted Coq programs that have only parts of
@@ -158,3 +160,5 @@ let discharge_object ((_,lobj) as node) =
let rebuild_object lobj =
apply_dyn_fun lobj (fun d -> d.dyn_rebuild_function lobj) lobj
+
+let dump = Dyn.dump
diff --git a/library/libobject.mli b/library/libobject.mli
index 099381897..e49f3fd5c 100644
--- a/library/libobject.mli
+++ b/library/libobject.mli
@@ -109,3 +109,7 @@ val classify_object : obj -> obj substitutivity
val discharge_object : object_name * obj -> obj option
val rebuild_object : obj -> obj
val relax : bool -> unit
+
+(** {6 Debug} *)
+
+val dump : unit -> (int * string) list
diff --git a/library/summary.ml b/library/summary.ml
index 8e2abbf15..6ef4e131c 100644
--- a/library/summary.ml
+++ b/library/summary.ml
@@ -10,6 +10,8 @@ open Pp
open Errors
open Util
+module Dyn = Dyn.Make(struct end)
+
type marshallable = [ `Yes | `No | `Shallow ]
type 'a summary_declaration = {
freeze_function : marshallable -> 'a;
@@ -176,3 +178,5 @@ let ref ?(freeze=fun _ r -> r) ~name x =
unfreeze_function = ((:=) r);
init_function = (fun () -> r := x) };
r
+
+let dump = Dyn.dump
diff --git a/library/summary.mli b/library/summary.mli
index 48c9390d0..a35113fd2 100644
--- a/library/summary.mli
+++ b/library/summary.mli
@@ -71,3 +71,7 @@ val unfreeze_summary : frozen_bits -> unit
val surgery_summary : frozen -> frozen_bits -> frozen
val project_summary : frozen -> ?complement:bool -> string list -> frozen_bits
val pointer_equal : frozen_bits -> frozen_bits -> bool
+
+(** {6 Debug} *)
+
+val dump : unit -> (int * string) list
diff --git a/stm/stm.ml b/stm/stm.ml
index 623629745..ea669b159 100644
--- a/stm/stm.ml
+++ b/stm/stm.ml
@@ -631,10 +631,9 @@ end = struct (* {{{ *)
States.unfreeze system; Proof_global.unfreeze proof
(* hack to make futures functional *)
- let in_t, out_t = Dyn.create "state4future"
let () = Future.set_freeze
- (fun () -> in_t (freeze_global_state `No, !cur_id))
- (fun t -> let s,i = out_t t in unfreeze_global_state s; cur_id := i)
+ (fun () -> Obj.magic (freeze_global_state `No, !cur_id))
+ (fun t -> let s,i = Obj.magic t in unfreeze_global_state s; cur_id := i)
type frozen_state = state
type proof_part =