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-rw-r--r--interp/notation_ops.ml11
1 files changed, 10 insertions, 1 deletions
diff --git a/interp/notation_ops.ml b/interp/notation_ops.ml
index 2e3fa0aa0e..7cb3ca25ee 100644
--- a/interp/notation_ops.ml
+++ b/interp/notation_ops.ml
@@ -275,6 +275,12 @@ type found_variables = {
let add_id r id = r := { !r with vars = id :: (!r).vars }
let add_name r = function Anonymous -> () | Name id -> add_id r id
+let mkNApp1 (g,a) =
+ match g with
+ (* Ensure flattening of nested applicative nodes *)
+ | NApp (g,args') -> NApp (g,args'@[a])
+ | _ -> NApp (g,[a])
+
let is_gvar id c = match DAst.get c with
| GVar id' -> Id.equal id id'
| _ -> false
@@ -443,7 +449,10 @@ let notation_constr_and_vars_of_glob_constr recvars a =
aux' c
and aux' x = DAst.with_val (function
| GVar id -> if not (Id.equal id ldots_var) then add_id found id; NVar id
- | GApp (g,args) -> NApp (aux g, List.map aux args)
+ | GApp (g,[]) -> NApp (aux g,[]) (* Encoding @foo *)
+ | GApp (g,args) ->
+ (* Treat applicative notes as binary nodes *)
+ let a,args = List.sep_last args in mkNApp1 (aux (DAst.make (GApp (g, args))), aux a)
| GLambda (na,bk,ty,c) -> add_name found na; NLambda (na,aux ty,aux c)
| GProd (na,bk,ty,c) -> add_name found na; NProd (na,aux ty,aux c)
| GLetIn (na,b,t,c) -> add_name found na; NLetIn (na,aux b,Option.map aux t, aux c)