diff options
Diffstat (limited to 'interp')
-rw-r--r-- | interp/implicit_quantifiers.ml | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/interp/implicit_quantifiers.ml b/interp/implicit_quantifiers.ml index c86a2428c..0a0e144bd 100644 --- a/interp/implicit_quantifiers.ml +++ b/interp/implicit_quantifiers.ml @@ -23,6 +23,7 @@ open Topconstr open Libnames open Typeclasses open Typeclasses_errors +open Pp (*i*) let ids_of_list l = @@ -120,24 +121,38 @@ let ids_of_named_context_avoiding avoid l = ([], avoid) (Termops.ids_of_named_context l) let combine_params avoid fn applied needed = + let named, applied = + List.partition + (function + (t, Some (loc, ExplByName id)) -> + if not (List.exists (fun (_, (id', _, _)) -> id = id') needed) then + user_err_loc (loc,"",str "Wrong argument name: " ++ Nameops.pr_id id); + true + | _ -> false) applied + in + let named = List.map + (fun x -> match x with (t, Some (loc, ExplByName id)) -> id, t | _ -> assert false) + named + in let rec aux ids avoid app need = match app, need with - [], need -> - let need', avoid = - List.fold_left (fun (terms, avoid) decl -> - let t', avoid = fn avoid decl in - (t' :: terms, avoid)) - ([], avoid) need - in List.rev ids @ (List.rev need'), avoid - - | (x, Some (loc, ExplByName id')) :: app, (Some _, (id, _, _)) :: need when id' = id -> - aux (x :: ids) avoid app need + [], [] -> List.rev ids, avoid + | app, (_, (id, _, _)) :: need when List.mem_assoc id named -> + aux (List.assoc id named :: ids) avoid app need + + | (x, None) :: app, (None, (id, _, _)) :: need -> + aux (x :: ids) avoid app need + | _, (Some cl, (id, _, _) as d) :: need -> let t', avoid' = fn avoid d in aux (t' :: ids) avoid' app need - | x :: app, (None, _) :: need -> aux (fst x :: ids) avoid app need + | x :: app, (None, _) :: need -> aux (fst x :: ids) avoid app need + + | [], (None, _ as decl) :: need -> + let t', avoid' = fn avoid decl in + aux (t' :: ids) avoid' app need | _ :: _, [] -> failwith "combine_params: overly applied typeclass" in aux [] avoid applied needed |