-let add_coercion f t (i, uri, vs) =
- let rec add f x = match x with
- | B.Sort _
- | B.LRef _
- | B.GRef _ -> f x
- | B.Cast (u, t) ->
- let f uu =
- let f tt = f (S.sh2 u uu t tt x B.cast) in
- add f t
- in
- add f u
- | B.Appl (v, t) ->
- let f vv =
- let f tt = f (S.sh2 v vv t tt x B.appl) in
- add f t
- in
- add f v
- | B.Bind (l, _, _, _) when i = l ->
- if U.eq uri I.imp then f (mk_gref I.mt (vs @ [x])) else
- assert false
- | B.Bind (l, id, B.Abst w, t) ->
- let f ww =
- let f tt = f (S.sh2 w ww t tt x (B.bind_abst l id)) in
- add f t
- in
- add f w
- | B.Bind (l, id, B.Abbr v, t) ->
- let f vv =
- let f tt = f (S.sh2 v vv t tt x (B.bind_abbr l id)) in
- add f t
- in
- add f v
- | B.Bind (l, id, B.Void, t) ->
- let f tt = f (S.sh1 t tt x (B.bind l id B.Void)) in
- add f t
- in
- add f t
-
-let add_coercions f = C.list_fold_left f add_coercion
-