metasenv passed to get_relevance, Metas that stand for sorts have shift 0 and len 0

[helm.git] / helm / software / components / ng_kernel / nCicReduction.ml

diff --git a/helm/software/components/ng_kernel/nCicReduction.ml b/helm/software/components/ng_kernel/nCicReduction.ml
index d37fdd441d3c689772e28fd9dd7e20712b6ac2d1..a7dfc50fad582819e0a62a2d97c076e8b51d9db9 100644 (file)
--- a/helm/software/components/ng_kernel/nCicReduction.ml
+++ b/helm/software/components/ng_kernel/nCicReduction.ml
@@ -180,12 +180,12 @@ let whd = R.whd
 
 let (===) x y = Pervasives.compare x y = 0 ;;
 
-let get_relevance = ref (fun ~subst:_ _ _ -> assert false);;
+let get_relevance = ref (fun ~metasenv:_ ~subst:_ _ _ -> assert false);;
 
 let set_get_relevance f = get_relevance := f;;
 
 (* t1, t2 must be well-typed *)
-let are_convertible ?(subst=[]) =
+let are_convertible ~metasenv ~subst =
  let rec aux test_eq_only context t1 t2 =
    let alpha_eq test_eq_only t1 t2 =
      if t1 === t2 then
@@ -224,8 +224,8 @@ let are_convertible ?(subst=[]) =
           with Invalid_argument "List.for_all2" -> 
             prerr_endline ("Meta " ^ string_of_int n1 ^ 
               " occurrs with local contexts of different lenght\n"^
-              NCicPp.ppterm ~metasenv:[] ~subst ~context t1 ^ " === " ^
-              NCicPp.ppterm ~metasenv:[] ~subst ~context t2);
+              NCicPp.ppterm ~metasenv ~subst ~context t1 ^ " === " ^
+              NCicPp.ppterm ~metasenv ~subst ~context t2);
             assert false) -> true
 
        | C.Meta (n1,l1), _ ->
@@ -257,7 +257,8 @@ let are_convertible ?(subst=[]) =
               tl1 tl2 true relevance
             with Invalid_argument _ -> false
               | HExtlib.FailureAt fail ->
-                let relevance = !get_relevance ~subst context hd1 tl1 in
+                let relevance = 
+                   !get_relevance ~metasenv ~subst context hd1 tl1 in
                 let _,relevance = HExtlib.split_nth fail relevance in
                 let b,relevance = (match relevance with
                   | [] -> assert false
@@ -274,7 +275,7 @@ let are_convertible ?(subst=[]) =
 
        | (C.Appl (hd1::tl1),  C.Appl (hd2::tl2)) ->
            aux test_eq_only context hd1 hd2 &&
-          let relevance = !get_relevance ~subst context hd1 tl1 in
+          let relevance = !get_relevance ~metasenv ~subst context hd1 tl1 in
             (try
              HExtlib.list_forall_default3
               (fun t1 t2 b -> not b || aux test_eq_only context t1 t2)