exception BadConstraint of string Lazy.t;;
let type0 = []
-let cprop = [false, NUri.uri_of_string ("cic:/matita/pts/CProp.univ")]
let le_constraints = ref [] (* strict,a,b *)
let universe_eq a b = universe_leq b a && universe_leq a b
+let pp_constraint b x y =
+ NUri.name_of_uri x ^ (if b then " < " else " <= ") ^ NUri.name_of_uri y
+;;
+
+let pp_constraints () =
+ String.concat "\n" (List.map (fun (b,x,y) -> pp_constraint b x y) !le_constraints)
+;;
+
let add_constraint strict a b =
match a,b with
| [false,a2],[false,b2] ->
if not (le_path_uri [] strict a2 b2) then (
if le_path_uri [] (not strict) b2 a2 then
- (raise (BadConstraint (lazy "universe inconsistency")));
+ (raise(BadConstraint(lazy("universe inconsistency adding "^pp_constraint strict a2 b2
+ ^ " to:\n" ^ pp_constraints ()))));
le_constraints := (strict,a2,b2) :: !le_constraints)
| _ -> raise (BadConstraint
(lazy "trying to add a constraint on an inferred universe"))
;;
let get_checked_fixes_or_cofixes = function
- | Ref.Ref (uri, (Ref.Fix (fixno,_,_)|Ref.CoFix fixno))->
+ | Ref.Ref (uri, (Ref.Fix _|Ref.CoFix _))->
(match get_checked_obj uri with
| _,height,_,_, C.Fixpoint (_,funcs,att) ->
funcs, att, height
| _ ->prerr_endline "get_checked_(co)fix on a non (co)fix 2";assert false)
- | r -> prerr_endline ("get_checked_(co)fix on " ^ Ref.string_of_reference r); assert false
+ | _ -> prerr_endline "get_checked_(co)fix on a non (co)fix"; assert false
;;
let get_relevance (Ref.Ref (_, infos) as r) =