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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 Class_tactics
open Stdarg
open Tacarg
}
DECLARE PLUGIN "ltac_plugin"
(** Options: depth, debug and transparency settings. *)
{
let set_transparency cl b =
List.iter (fun r ->
let gr = Smartlocate.global_with_alias r in
let ev = Tacred.evaluable_of_global_reference (Global.env ()) gr in
Classes.set_typeclass_transparency ev (Locality.make_section_locality None) b) cl
}
VERNAC COMMAND EXTEND Typeclasses_Unfold_Settings CLASSIFIED AS SIDEFF
| [ "Typeclasses" "Transparent" reference_list(cl) ] -> {
set_transparency cl true }
END
VERNAC COMMAND EXTEND Typeclasses_Rigid_Settings CLASSIFIED AS SIDEFF
| [ "Typeclasses" "Opaque" reference_list(cl) ] -> {
set_transparency cl false }
END
{
let pr_debug _prc _prlc _prt b =
if b then Pp.str "debug" else Pp.mt()
}
ARGUMENT EXTEND debug TYPED AS bool PRINTED BY { pr_debug }
| [ "debug" ] -> { true }
| [ ] -> { false }
END
{
let pr_search_strategy _prc _prlc _prt = function
| Some Dfs -> Pp.str "dfs"
| Some Bfs -> Pp.str "bfs"
| None -> Pp.mt ()
}
ARGUMENT EXTEND eauto_search_strategy PRINTED BY { pr_search_strategy }
| [ "(bfs)" ] -> { Some Bfs }
| [ "(dfs)" ] -> { Some Dfs }
| [ ] -> { None }
END
(* true = All transparent, false = Opaque if possible *)
VERNAC COMMAND EXTEND Typeclasses_Settings CLASSIFIED AS SIDEFF
| [ "Typeclasses" "eauto" ":=" debug(d) eauto_search_strategy(s) int_opt(depth) ] -> {
set_typeclasses_debug d;
Option.iter set_typeclasses_strategy s;
set_typeclasses_depth depth
}
END
(** Compatibility: typeclasses eauto has 8.5 and 8.6 modes *)
TACTIC EXTEND typeclasses_eauto
| [ "typeclasses" "eauto" "bfs" int_or_var_opt(d) "with" ne_preident_list(l) ] ->
{ typeclasses_eauto ~strategy:Bfs ~depth:d l }
| [ "typeclasses" "eauto" int_or_var_opt(d) "with" ne_preident_list(l) ] ->
{ typeclasses_eauto ~depth:d l }
| [ "typeclasses" "eauto" int_or_var_opt(d) ] -> {
typeclasses_eauto ~only_classes:true ~depth:d [Class_tactics.typeclasses_db] }
END
TACTIC EXTEND head_of_constr
| [ "head_of_constr" ident(h) constr(c) ] -> { head_of_constr h c }
END
TACTIC EXTEND not_evar
| [ "not_evar" constr(ty) ] -> { not_evar ty }
END
TACTIC EXTEND is_ground
| [ "is_ground" constr(ty) ] -> { is_ground ty }
END
{
let deprecated_autoapply_using =
CWarnings.create
~name:"autoapply-using" ~category:"deprecated"
(fun () -> Pp.str "The syntax [autoapply ... using] is deprecated. Use [autoapply ... with] instead.")
}
TACTIC EXTEND autoapply
| [ "autoapply" constr(c) "using" preident(i) ] -> {
deprecated_autoapply_using ();
autoapply c i
}
| [ "autoapply" constr(c) "with" preident(i) ] -> { autoapply c i }
END
{
(** TODO: DEPRECATE *)
(* A progress test that allows to see if the evars have changed *)
open Constr
open Proofview.Notations
let rec eq_constr_mod_evars sigma x y =
let open EConstr in
match EConstr.kind sigma x, EConstr.kind sigma y with
| Evar (e1, l1), Evar (e2, l2) when not (Evar.equal e1 e2) -> true
| _, _ -> compare_constr sigma (fun x y -> eq_constr_mod_evars sigma x y) x y
let progress_evars t =
Proofview.Goal.enter begin fun gl ->
let concl = Proofview.Goal.concl gl in
let check =
Proofview.Goal.enter begin fun gl' ->
let sigma = Tacmach.New.project gl' in
let newconcl = Proofview.Goal.concl gl' in
if eq_constr_mod_evars sigma concl newconcl
then Tacticals.New.tclFAIL 0 (Pp.str"No progress made (modulo evars)")
else Proofview.tclUNIT ()
end
in t <*> check
end
}
TACTIC EXTEND progress_evars
| [ "progress_evars" tactic(t) ] -> { progress_evars (Tacinterp.tactic_of_value ist t) }
END
|
