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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
DECLARE PLUGIN "numeral_notation_plugin"
{
open Notation
open Numeral
open Pp
open Names
open Ltac_plugin
open Stdarg
open Pcoq.Prim
let pr_numnot_option _ _ _ = function
| Nop -> mt ()
| Warning n -> str "(warning after " ++ str n ++ str ")"
| Abstract n -> str "(abstract after " ++ str n ++ str ")"
}
ARGUMENT EXTEND numnotoption
PRINTED BY { pr_numnot_option }
| [ ] -> { Nop }
| [ "(" "warning" "after" bigint(waft) ")" ] -> { Warning waft }
| [ "(" "abstract" "after" bigint(n) ")" ] -> { Abstract n }
END
VERNAC COMMAND EXTEND NumeralNotation CLASSIFIED AS SIDEFF
| #[ locality = Attributes.locality; ] ![proof][ "Numeral" "Notation" reference(ty) reference(f) reference(g) ":"
ident(sc) numnotoption(o) ] ->
{ (* It is a bug to use the proof context here, but at the request of
* the reviewers we keep this broken behavior for now. The Global env
* should be used instead, and the `env, sigma` parameteter to the
* numeral notation command removed.
*)
fun ~pstate ->
let sigma, env = match pstate with
| None ->
let env = Global.env () in
let sigma = Evd.from_env env in
sigma, env
| Some pstate ->
Pfedit.get_current_context pstate
in
vernac_numeral_notation env sigma (Locality.make_module_locality locality) ty f g (Id.to_string sc) o;
pstate }
END
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