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-rw-r--r--dev/db1
-rw-r--r--dev/top_printers.ml2
-rw-r--r--kernel/univ.ml10
-rw-r--r--kernel/univ.mli1
-rw-r--r--library/declaremods.ml5
5 files changed, 16 insertions, 3 deletions
diff --git a/dev/db b/dev/db
index e668f1e86..6221462a8 100644
--- a/dev/db
+++ b/dev/db
@@ -21,6 +21,7 @@ install_printer Top_printers.pprawconstr
install_printer Top_printers.ppconstr
install_printer Top_printers.ppuni
install_printer Top_printers.ppuniverses
+install_printer Top_printers.ppconstraints
install_printer Top_printers.pptype
install_printer Top_printers.ppj
install_printer Top_printers.ppenv
diff --git a/dev/top_printers.ml b/dev/top_printers.ml
index a63c6c2dd..afae141b9 100644
--- a/dev/top_printers.ml
+++ b/dev/top_printers.ml
@@ -120,6 +120,8 @@ let ppuni u = pp(pr_uni u)
let ppuniverses u = pp (str"[" ++ pr_universes u ++ str"]")
+let ppconstraints c = pp (pr_constraints c)
+
let ppenv e = pp
(str "[" ++ pr_named_context_of e ++ str "]" ++ spc() ++
str "[" ++ pr_rel_context e (rel_context e) ++ str "]")
diff --git a/kernel/univ.ml b/kernel/univ.ml
index 89b4a2112..001ee3ea8 100644
--- a/kernel/univ.ml
+++ b/kernel/univ.ml
@@ -579,7 +579,15 @@ let pr_universes g =
let graph = UniverseMap.fold (fun k a l -> (k,a)::l) g [] in
prlist (function (_,a) -> pr_arc a) graph
-
+let pr_constraints c =
+ Constraint.fold (fun (u1,op,u2) pp_std ->
+ let op_str = match op with
+ | Lt -> " < "
+ | Leq -> " <= "
+ | Eq -> " = "
+ in pp_std ++ pr_uni_level u1 ++ str op_str ++
+ pr_uni_level u2 ++ fnl () ) c (str "")
+
(* Dumping constrains to a file *)
let dump_universes output g =
diff --git a/kernel/univ.mli b/kernel/univ.mli
index e2594e217..1ce5329ab 100644
--- a/kernel/univ.mli
+++ b/kernel/univ.mli
@@ -80,6 +80,7 @@ val subst_large_constraints :
val pr_uni : universe -> Pp.std_ppcmds
val pr_universes : universes -> Pp.std_ppcmds
+val pr_constraints : constraints -> Pp.std_ppcmds
(*s Dumping to a file *)
diff --git a/library/declaremods.ml b/library/declaremods.ml
index 0b0483a85..0bb74f74a 100644
--- a/library/declaremods.ml
+++ b/library/declaremods.ml
@@ -355,8 +355,9 @@ let subst_module ((sp,kn),subst,(entry,substobjs,_)) =
let subst_module_alias ((sp,kn),subst,(entry,substobjs,_)) =
let dir,mp = dir_of_sp sp, mp_of_kn kn in
let (sub,mbids,msid,objs) = substobjs in
- let sub = update_subst_alias subst (map_msid msid mp) in
- let subst' = join sub subst in
+ let sub' = update_subst_alias subst (map_msid msid mp) in
+ let subst' = join sub' subst in
+ let subst' = join sub subst' in
(* substitutive_objects get the new substitution *)
let substobjs = (subst',mbids,msid,objs) in
(* if we are not a functor - calculate substitued.