aboutsummaryrefslogtreecommitdiffhomepage
path: root/library
diff options
context:
space:
mode:
Diffstat (limited to 'library')
-rw-r--r--library/lib.ml38
-rw-r--r--library/lib.mli11
2 files changed, 37 insertions, 12 deletions
diff --git a/library/lib.ml b/library/lib.ml
index 499e2ae21..16dd7fdd0 100644
--- a/library/lib.ml
+++ b/library/lib.ml
@@ -417,8 +417,11 @@ let find_opening_node id =
type variable_info = Context.Named.Declaration.t * Decl_kinds.binding_kind
type variable_context = variable_info list
-type abstr_info = variable_context * Univ.universe_level_subst * Univ.AUContext.t
-
+type abstr_info = {
+ abstr_ctx : variable_context;
+ abstr_subst : Univ.universe_level_subst;
+ abstr_uctx : Univ.AUContext.t;
+}
type abstr_list = abstr_info Names.Cmap.t * abstr_info Names.Mindmap.t
type secentry =
@@ -483,8 +486,12 @@ let add_section_replacement f g poly hyps =
let inst = Univ.UContext.instance ctx in
let subst, ctx = Univ.abstract_universes ctx in
let args = instance_from_variable_context (List.rev sechyps) in
- sectab := (vars,f (inst,args) exps,
- g (sechyps,subst,ctx) abs)::sl
+ let info = {
+ abstr_ctx = sechyps;
+ abstr_subst = subst;
+ abstr_uctx = ctx;
+ } in
+ sectab := (vars,f (inst,args) exps, g info abs) :: sl
let add_section_kn poly kn =
let f x (l1,l2) = (l1,Names.Mindmap.add kn x l2) in
@@ -502,12 +509,21 @@ let section_segment_of_constant con =
let section_segment_of_mutual_inductive kn =
Names.Mindmap.find kn (snd (pi3 (List.hd !sectab)))
-let variable_section_segment_of_reference = function
- | ConstRef con -> pi1 (section_segment_of_constant con)
- | IndRef (kn,_) | ConstructRef ((kn,_),_) ->
- pi1 (section_segment_of_mutual_inductive kn)
- | _ -> []
-
+let empty_segment = {
+ abstr_ctx = [];
+ abstr_subst = Univ.LMap.empty;
+ abstr_uctx = Univ.AUContext.empty;
+}
+
+let section_segment_of_reference = function
+| ConstRef c -> section_segment_of_constant c
+| IndRef (kn,_) | ConstructRef ((kn,_),_) ->
+ section_segment_of_mutual_inductive kn
+| VarRef _ -> empty_segment
+
+let variable_section_segment_of_reference gr =
+ (section_segment_of_reference gr).abstr_ctx
+
let section_instance = function
| VarRef id ->
let eq = function
@@ -654,7 +670,7 @@ let discharge_con cst =
let discharge_inductive (kn,i) =
(discharge_kn kn,i)
-let discharge_abstract_universe_context (_, subst, abs_ctx) auctx =
+let discharge_abstract_universe_context { abstr_subst = subst; abstr_uctx = abs_ctx } auctx =
let open Univ in
let len = LMap.cardinal subst in
let rec gen_subst i acc =
diff --git a/library/lib.mli b/library/lib.mli
index 721e2896f..2f4d0d56f 100644
--- a/library/lib.mli
+++ b/library/lib.mli
@@ -153,13 +153,22 @@ val init : unit -> unit
(** {6 Section management for discharge } *)
type variable_info = Context.Named.Declaration.t * Decl_kinds.binding_kind
type variable_context = variable_info list
-type abstr_info = variable_context * Univ.universe_level_subst * Univ.AUContext.t
+type abstr_info = private {
+ abstr_ctx : variable_context;
+ (** Section variables of this prefix *)
+ abstr_subst : Univ.universe_level_subst;
+ (** Abstract substitution: named universes are mapped to De Bruijn indices *)
+ abstr_uctx : Univ.AUContext.t;
+ (** Universe quantification, same length as the substitution *)
+}
val instance_from_variable_context : variable_context -> Names.Id.t array
val named_of_variable_context : variable_context -> Context.Named.t
val section_segment_of_constant : Names.Constant.t -> abstr_info
val section_segment_of_mutual_inductive: Names.MutInd.t -> abstr_info
+val section_segment_of_reference : Globnames.global_reference -> abstr_info
+
val variable_section_segment_of_reference : Globnames.global_reference -> variable_context
val section_instance : Globnames.global_reference -> Univ.Instance.t * Names.Id.t array