Make detyping more resistent in the debugger

1 files changed, 6 insertions, 4 deletions

diff --git a/pretyping/detyping.ml b/pretyping/detyping.ml
index 722a0a2048..e6cb405a80 100644
--- a/pretyping/detyping.ml
+++ b/pretyping/detyping.ml
@@ -928,10 +928,12 @@ and detype_binder d flags bk avoid env sigma decl c =
       let c = detype d { flags with flg_isgoal = false } avoid env sigma (Option.get body) in
       (* Heuristic: we display the type if in Prop *)
       let s =
-        (* It can fail if ty is an evar, or if run inside ocamldebug or the
-           OCaml toplevel since their printers don't have access to the proper sigma/env *)
-        try Retyping.get_sort_family_of (snd env) sigma ty
-        with Retyping.RetypeError _ -> InType
+        if !Flags.in_debugger then InType
+        else
+          (* It can fail if ty is an evar, or if run inside ocamldebug or the
+             OCaml toplevel since their printers don't have access to the proper sigma/env *)
+          try Retyping.get_sort_family_of (snd env) sigma ty
+          with Retyping.RetypeError _ -> InType
       in
       let t = if s != InProp  && not !Flags.raw_print then None else Some (detype d { flags with flg_isgoal = false } avoid env sigma ty) in
       GLetIn (na', c, t, r)