fixed coercion mechanism w.r.t. undo/require

[helm.git] / helm / software / components / acic_content / cicNotationUtil.ml

diff --git a/helm/software/components/acic_content/cicNotationUtil.ml b/helm/software/components/acic_content/cicNotationUtil.ml
index 60fe6357d5f1c4c878187f12e086c6ce49cd3006..4e5917a154aa87abdd493d46921e0c8bd07eccf0 100644 (file)
--- a/helm/software/components/acic_content/cicNotationUtil.ml
+++ b/helm/software/components/acic_content/cicNotationUtil.ml
@@ -62,7 +62,8 @@ let visit_ast ?(special_k = fun _ -> assert false)
       | Ast.Magic _
       | Ast.Variable _) as t -> special_k t
     | (Ast.Ident _
-      | Ast.Implicit
+      | Ast.NRef _
+      | Ast.Implicit _
       | Ast.Num _
       | Ast.Sort _
       | Ast.Symbol _
@@ -207,7 +208,7 @@ let meta_names_of_term term =
     | Ast.Ident (_, Some substs) -> aux_substs substs
     | Ast.Meta (_, substs) -> aux_meta_substs substs
 
-    | Ast.Implicit
+    | Ast.Implicit _
     | Ast.Ident _
     | Ast.Num _
     | Ast.Sort _
@@ -326,13 +327,21 @@ let dressn ~sep:sauces =
 let find_appl_pattern_uris ap =
   let rec aux acc =
     function
-    | Ast.UriPattern uri -> uri :: acc
+    | Ast.UriPattern uri -> `Uri uri :: acc
+    | Ast.NRefPattern nref -> `NRef nref :: acc
     | Ast.ImplicitPattern
     | Ast.VarPattern _ -> acc
     | Ast.ApplPattern apl -> List.fold_left aux acc apl
   in
   let uris = aux [] ap in
-  HExtlib.list_uniq (List.fast_sort UriManager.compare uris)
+  let cmp u1 u2 =
+   match u1,u2 with
+      `Uri u1, `Uri u2 -> UriManager.compare u1 u2
+    | `NRef r1, `NRef r2 -> NReference.compare r1 r2
+    | `Uri _,`NRef _ -> -1
+    | `NRef _, `Uri _ -> 1
+  in
+  HExtlib.list_uniq (List.fast_sort cmp uris)
 
 let rec find_branch =
   function