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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) *)
(************************************************************************)
open Ltac_plugin
open Names
open Misctypes
open Tacexpr
open Geninterp
open Quote
open Stdarg
open Tacarg
DECLARE PLUGIN "quote_plugin"
let cont = Id.of_string "cont"
let x = Id.of_string "x"
let make_cont (k : Val.t) (c : EConstr.t) =
let c = Tacinterp.Value.of_constr c in
let tac = TacCall (Loc.tag (ArgVar CAst.(make cont), [Reference (ArgVar CAst.(make x))])) in
let ist = { lfun = Id.Map.add cont k (Id.Map.singleton x c); extra = TacStore.empty; } in
Tacinterp.eval_tactic_ist ist (TacArg (Loc.tag tac))
TACTIC EXTEND quote
[ "quote" ident(f) ] -> [ quote f [] ]
| [ "quote" ident(f) "[" ne_ident_list(lc) "]"] -> [ quote f lc ]
| [ "quote" ident(f) "in" constr(c) "using" tactic(k) ] ->
[ gen_quote (make_cont k) c f [] ]
| [ "quote" ident(f) "[" ne_ident_list(lc) "]"
"in" constr(c) "using" tactic(k) ] ->
[ gen_quote (make_cont k) c f lc ]
END
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