diff options
Diffstat (limited to 'toplevel/vernacinterp.ml')
-rw-r--r-- | toplevel/vernacinterp.ml | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/toplevel/vernacinterp.ml b/toplevel/vernacinterp.ml index 17f971fd..d3e48f75 100644 --- a/toplevel/vernacinterp.ml +++ b/toplevel/vernacinterp.ml @@ -10,14 +10,17 @@ open Util open Pp open Errors +type deprecation = bool +type vernac_command = Genarg.raw_generic_argument list -> unit -> unit + (* Table of vernac entries *) let vernac_tab = (Hashtbl.create 51 : - (Vernacexpr.extend_name, (Genarg.raw_generic_argument list -> unit -> unit)) Hashtbl.t) + (Vernacexpr.extend_name, deprecation * vernac_command) Hashtbl.t) -let vinterp_add s f = +let vinterp_add depr s f = try - Hashtbl.add vernac_tab s f + Hashtbl.add vernac_tab s (depr, f) with Failure _ -> errorlabstrm "vinterp_add" (str"Cannot add the vernac command " ++ str (fst s) ++ str" twice.") @@ -28,7 +31,7 @@ let overwriting_vinterp_add s f = let _ = Hashtbl.find vernac_tab s in Hashtbl.remove vernac_tab s with Not_found -> () end; - Hashtbl.add vernac_tab s f + Hashtbl.add vernac_tab s (false, f) let vinterp_map s = try @@ -44,7 +47,16 @@ let vinterp_init () = Hashtbl.clear vernac_tab let call ?locality (opn,converted_args) = let loc = ref "Looking up command" in try - let callback = vinterp_map opn in + let depr, callback = vinterp_map opn in + let () = if depr then + let rules = Egramml.get_extend_vernac_rule opn in + let pr_gram = function + | Egramml.GramTerminal s -> str s + | Egramml.GramNonTerminal _ -> str "_" + in + let pr = pr_sequence pr_gram rules in + msg_warning (str "Deprecated vernacular command: " ++ pr) + in loc:= "Checking arguments"; let hunk = callback converted_args in loc:= "Executing command"; |