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-rw-r--r--engine/univNames.ml87
-rw-r--r--engine/univNames.mli11
-rw-r--r--engine/universes.ml1
-rw-r--r--engine/universes.mli4
4 files changed, 44 insertions, 59 deletions
diff --git a/engine/univNames.ml b/engine/univNames.ml
index 29d92c46ea..a4a08ff18e 100644
--- a/engine/univNames.ml
+++ b/engine/univNames.ml
@@ -53,10 +53,10 @@ let empty_binders = Id.Map.empty
let universe_binders_table = Summary.ref GlobRef.Map.empty ~name:"universe binders"
-let universe_binders_of_global ref : universe_binders =
+let universe_binders_of_global ref : Name.t list =
try
let l = GlobRef.Map.find ref !universe_binders_table in l
- with Not_found -> Names.Id.Map.empty
+ with Not_found -> []
let cache_ubinder (_,(ref,l)) =
universe_binders_table := GlobRef.Map.add ref l !universe_binders_table
@@ -68,25 +68,19 @@ let subst_ubinder (subst,(ref,l as orig)) =
let discharge_ubinder (_,(ref,l)) =
(** Expand polymorphic binders with the section context *)
let info = Lib.section_segment_of_reference ref in
- let sec_inst = info.Lib.abstr_subst in
- let shift = Instance.length sec_inst in
- let map lvl = match Level.var_index lvl with
- | None -> lvl
- | Some n -> Level.var (n + shift)
- in
- let l = Id.Map.map map l in
- let fold i accu lvl = match Level.name lvl with
- | None -> accu
+ let sec_inst = Array.to_list (Instance.to_array (info.Lib.abstr_subst)) in
+ let map i lvl = match Level.name lvl with
+ | None -> Anonymous
| Some na ->
try
let qid = Nametab.shortest_qualid_of_universe na in
- Id.Map.add (snd (Libnames.repr_qualid qid)) (Level.var i) accu
- with Not_found -> accu
+ Name (snd (Libnames.repr_qualid qid))
+ with Not_found -> Anonymous
in
- let l = Array.fold_left_i fold l (Instance.to_array sec_inst) in
+ let l = List.mapi map sec_inst @ l in
Some (Lib.discharge_global ref, l)
-let ubinder_obj : GlobRef.t * universe_binders -> Libobject.obj =
+let ubinder_obj : GlobRef.t * Name.t list -> Libobject.obj =
let open Libobject in
declare_object { (default_object "universe binder") with
cache_function = cache_ubinder;
@@ -97,42 +91,37 @@ let ubinder_obj : GlobRef.t * universe_binders -> Libobject.obj =
rebuild_function = (fun x -> x); }
let register_universe_binders ref ubinders =
- (* Add the polymorphic (section) universes *)
- let ubinders = UnivIdMap.fold (fun lvl poly ubinders ->
- let qid = Nametab.shortest_qualid_of_universe lvl in
- let level = Level.make (fst lvl) (snd lvl) in
- if poly then Id.Map.add (snd (Libnames.repr_qualid qid)) level ubinders
- else ubinders)
- !universe_map ubinders
- in
- let ubinders =
- if Global.is_polymorphic ref then
- (** FIXME: little dance to make the named universes refer to bound
- universe variables *)
- let univs = AUContext.instance (Global.universes_of_global ref) in
- let fold i accu l = LMap.add l i accu in
- let univs = Array.fold_left_i fold LMap.empty (Instance.to_array univs) in
- let fold id lvl accu =
- try Id.Map.add id (Level.var (LMap.find lvl univs)) accu
- with Not_found -> accu
- in
- Id.Map.fold fold ubinders Id.Map.empty
- else ubinders
+ (** TODO: change the API to register a [Name.t list] instead. This is the last
+ part of the code that depends on the internal representation of names in
+ abstract contexts, but removing it requires quite a rework of the
+ callers. *)
+ let univs = AUContext.instance (Global.universes_of_global ref) in
+ let revmap = Id.Map.fold (fun id lvl accu -> LMap.add lvl id accu) ubinders LMap.empty in
+ let map lvl =
+ try Name (LMap.find lvl revmap)
+ with Not_found -> Anonymous
in
- if not (Id.Map.is_empty ubinders)
- then Lib.add_anonymous_leaf (ubinder_obj (ref,ubinders))
+ let ubinders = Array.map_to_list map (Instance.to_array univs) in
+ if not (List.is_empty ubinders) then Lib.add_anonymous_leaf (ubinder_obj (ref, ubinders))
type univ_name_list = Names.lname list
-let universe_binders_with_opt_names ref levels = function
+let universe_binders_with_opt_names ref names =
+ let udecl = match names with
| None -> universe_binders_of_global ref
- | Some udecl ->
- if Int.equal(List.length levels) (List.length udecl)
- then
- List.fold_left2 (fun acc { CAst.v = na} lvl -> match na with
- | Anonymous -> acc
- | Name na -> Names.Id.Map.add na lvl acc)
- empty_binders udecl levels
- else
- CErrors.user_err ~hdr:"universe_binders_with_opt_names"
- Pp.(str "Universe instance should have length " ++ int (List.length levels))
+ | Some udecl -> List.map (fun na -> na.CAst.v) udecl
+ in
+ let () =
+ try
+ let ctx = Global.universes_of_global ref in
+ let len = AUContext.size ctx in
+ if not (Option.is_empty names || Int.equal len (List.length udecl)) then
+ CErrors.user_err ~hdr:"universe_binders_with_opt_names"
+ Pp.(str "Universe instance should have length " ++ int len)
+ with Not_found -> ()
+ in
+ let fold i acc = function
+ | Anonymous -> acc
+ | Name na -> Names.Id.Map.add na (Level.var i) acc
+ in
+ List.fold_left_i fold 0 empty_binders udecl
diff --git a/engine/univNames.mli b/engine/univNames.mli
index 837beac267..d794d7b744 100644
--- a/engine/univNames.mli
+++ b/engine/univNames.mli
@@ -27,15 +27,14 @@ type universe_binders = Univ.Level.t Names.Id.Map.t
val empty_binders : universe_binders
val register_universe_binders : Names.GlobRef.t -> universe_binders -> unit
-val universe_binders_of_global : Names.GlobRef.t -> universe_binders
type univ_name_list = Names.lname list
-(** [universe_binders_with_opt_names ref u l]
+(** [universe_binders_with_opt_names ref l]
- If [l] is [Some univs] return the universe binders naming the levels of [u] by [univs] (skipping Anonymous).
- May error if the lengths mismatch.
+ If [l] is [Some univs] return the universe binders naming the bound levels
+ of [ref] by [univs] (skipping Anonymous). May error if the lengths mismatch.
- Otherwise return [universe_binders_of_global ref]. *)
+ Otherwise return the bound universe names registered for [ref]. *)
val universe_binders_with_opt_names : Names.GlobRef.t ->
- Univ.Level.t list -> univ_name_list option -> universe_binders
+ univ_name_list option -> universe_binders
diff --git a/engine/universes.ml b/engine/universes.ml
index ee9668433c..c7e5f654a1 100644
--- a/engine/universes.ml
+++ b/engine/universes.ml
@@ -26,7 +26,6 @@ let is_polymorphic = UnivNames.is_polymorphic
let empty_binders = UnivNames.empty_binders
let register_universe_binders = UnivNames.register_universe_binders
-let universe_binders_of_global = UnivNames.universe_binders_of_global
let universe_binders_with_opt_names = UnivNames.universe_binders_with_opt_names
diff --git a/engine/universes.mli b/engine/universes.mli
index ad937471e9..7ca33f47a1 100644
--- a/engine/universes.mli
+++ b/engine/universes.mli
@@ -39,14 +39,12 @@ val empty_binders : universe_binders
val register_universe_binders : Globnames.global_reference -> universe_binders -> unit
[@@ocaml.deprecated "Use [UnivNames.register_universe_binders]"]
-val universe_binders_of_global : Globnames.global_reference -> universe_binders
-[@@ocaml.deprecated "Use [UnivNames.universe_binders_of_global]"]
type univ_name_list = UnivNames.univ_name_list
[@@ocaml.deprecated "Use [UnivNames.univ_name_list]"]
val universe_binders_with_opt_names : Globnames.global_reference ->
- Univ.Level.t list -> univ_name_list option -> universe_binders
+ univ_name_list option -> universe_binders
[@@ocaml.deprecated "Use [UnivNames.universe_binders_with_opt_names]"]
(** ****** Deprecated: moved to [UnivGen] *)