Ziele Untersuchung
mit Columbo Integrität von
Datenbanken Interaktion und
Portierbarkeit Ergonomie der
Schnittstellen

Angebot Produkte Projekt Beratung

Mittel Analytik Modellierung Sprachen Algebra Logik Hardware Denken Kreativität

Zusammenhänge Gesellschaft Wirtschaft Branche Firma


products/sources/formale Sprachen/Roqc/vernac/ (Beweissystem des Inria Version 9.1.0^©) Datei vom 15.8.2025 mit Größe 4 kB

Quelle tactic_option.ml Sprache: SML

(************************************************************************)
(*         *      The Rocq Prover / The Rocq Development Team           *)
(*  v      *         Copyright INRIA, CNRS and contributors             *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(*   \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 Libobject

type tac_option_locality =
  | Default
  | Global
  | Local
  | Export
  | GlobalAndExport

let tac_option_locality =
  let open Attributes in
  let open Attributes.Notations in
  let one x = attribute_of_list [x,single_key_parser ~name:"Locality" ~key:x ()] in
  one "local" ++ one "global" ++ one "export" >>= fun ((local,global),export) ->
  match local, global, export with
  | None, None, None -> return Default

  | Some (), Some (), _ -> CErrors.user_err Pp.(str "Cannot combine local and global.")
  | Some (), _, Some () -> CErrors.user_err Pp.(str "Cannot combine local and export.")

  | Some (), None, None -> return Local
  | None, Some (), None -> return Global
  | None, None, Some () -> return Export
  | None, Some (), Some () -> return GlobalAndExport

let warn_default_locality =
  CWarnings.create ~name:"deprecated-tacopt-without-locality" ~category:Deprecation.Version.v8_17 Pp.(fun () ->
      strbrk
        "The default and global localities for this command outside \
         sections are currently equivalent to the combination of the \
         standard meaning of \"global\" (as described in the reference \
         manual), \"export\" and re-exporting for every surrounding \
         module. It will change to just \"global\" (with the meaning \
         used by the \"Set\" command) in a future release." ++ fnl() ++
      strbrk
        "To preserve the current meaning in a forward compatible way, \
         use the attribute \"#[global,export]\" and repeat the command \
         with just \"#[export]\" in any surrounding modules. If you \
         are fine with the change of semantics, disable this warning.")

let declare_tactic_option ?default name =
  let current_tactic : Gentactic.glob_generic_tactic option ref =
    Summary.ref default ~name:(name^"-default-tactic")
  in
  let set_current_tactic t =
    current_tactic := t
  in
  let cache (_, tac) = set_current_tactic tac in
  let load _ (local, tac) = match local with
    | Default | Global | GlobalAndExport -> set_current_tactic tac
    | Export -> ()
    | Local -> assert false (* not allowed by classify *)
  in
  let import i (local, tac) = match local with
    | GlobalAndExport | Export -> if Int.equal i 1 then set_current_tactic tac
    | Default | Global -> set_current_tactic tac
    | Local -> assert false (* not allowed by classify *)
  in
  let classify (local, _) = match local with
    | Local -> Dispose
    | Default | Global | Export | GlobalAndExport -> Substitute
  in
  let subst (s, (local, tac)) =
    (local, Option.map (Gentactic.subst s) tac)
  in
  let input : tac_option_locality * Gentactic.glob_generic_tactic option -> obj =
    declare_object
      { (default_object name) with
        cache_function = cache;
        load_function = load;
        (* can't simple_open: crappy behaviour when superglobal *)
        open_function = filtered_open import;
        classify_function = classify;
        subst_function = subst}
  in
  let put ?loc local tac =
    let () = match local with
      | Default -> if not (Lib.sections_are_opened()) then warn_default_locality ?loc ()
      | Local -> ()
      | Export | Global | GlobalAndExport ->
        if Lib.sections_are_opened()
        then CErrors.user_err ?loc
            Pp.(str "This locality is not supported inside sections by this command.")
    in
    Lib.add_leaf (input (local, Some tac))
  in
  let get () = match !current_tactic with
    | None -> Proofview.tclUNIT ()
    | Some tac -> Gentactic.interp tac
  in
  let print () = match !current_tactic with
    | None -> Pp.str ""
    | Some tac ->
      let env = Global.env () in
      let sigma = Evd.from_env env in
      Gentactic.print_glob env sigma tac
  in
  put, get, print

quality96%

¤ Dauer der Verarbeitung: 0.2 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.