diff options
Diffstat (limited to 'pretyping/evarsolve.ml')
| -rw-r--r-- | pretyping/evarsolve.ml | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/pretyping/evarsolve.ml b/pretyping/evarsolve.ml index 4d78d2eb0..77086d046 100644 --- a/pretyping/evarsolve.ml +++ b/pretyping/evarsolve.ml @@ -50,6 +50,7 @@ let refresh_universes ?(status=univ_rigid) ?(onlyalg=false) ?(refreshset=false) let modified = ref false in (* direction: true for fresh universes lower than the existing ones *) let refresh_sort status ~direction s = + let s = ESorts.kind !evdref s in let s' = evd_comb0 (new_sort_variable status) evdref in let evd = if direction then set_leq_sort env !evdref s' s @@ -59,7 +60,9 @@ let refresh_universes ?(status=univ_rigid) ?(onlyalg=false) ?(refreshset=false) in let rec refresh ~onlyalg status ~direction t = match EConstr.kind !evdref t with - | Sort (Type u as s) -> + | Sort s -> + begin match ESorts.kind !evdref s with + | Type u -> (match Univ.universe_level u with | None -> refresh_sort status ~direction s | Some l -> @@ -71,10 +74,12 @@ let refresh_universes ?(status=univ_rigid) ?(onlyalg=false) ?(refreshset=false) if onlyalg && alg then (evdref := Evd.make_flexible_variable !evdref false l; t) else t)) - | Sort (Prop Pos as s) when refreshset && not direction -> + | Prop Pos when refreshset && not direction -> (* Cannot make a universe "lower" than "Set", only refreshing when we want higher universes. *) refresh_sort status ~direction s + | _ -> t + end | Prod (na,u,v) -> mkProd (na, u, refresh ~onlyalg status ~direction v) | _ -> t |