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Datei: function_props_aux.prf Sprache: Lisp

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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 Formula
open Sequent
open Ground
open Goptions
open Tacmach.New
open Tacticals.New
open Tacinterp
open Stdarg
open Tacarg
open Attributes
open Pcoq.Prim

}

DECLARE PLUGIN "ground_plugin"

(* declaring search depth as a global option *)

{

let ground_depth=ref 3

let ()=
  let gdopt=
    { optdepr=false;
      optname="Firstorder Depth";
      optkey=["Firstorder";"Depth"];
      optread=(fun ()->Some !ground_depth);
      optwrite=
   (function
None->ground_depth:=3
      | Some i->ground_depth:=(max i 0))}
  in
    declare_int_option gdopt

let ()=
  let congruence_depth=ref 100 in
  let gdopt=
    { optdepr=true; (* noop *)
      optname="Congruence Depth";
      optkey=["Congruence";"Depth"];
      optread=(fun ()->Some !congruence_depth);
      optwrite=
   (function
        None->congruence_depth:=0
      | Some i->congruence_depth:=(max i 0))}
  in
    declare_int_option gdopt

let default_intuition_tac =
  let tac _ _ = Auto.h_auto None [] None in
  let name = { Tacexpr.mltac_plugin = "ground_plugin"; mltac_tactic = "auto_with"; } in
  let entry = { Tacexpr.mltac_name = name; mltac_index = 0 } in
  Tacenv.register_ml_tactic name [| tac |];
  Tacexpr.TacML (CAst.make (entry, []))

let (set_default_solver, default_solver, print_default_solver) =
  Tactic_option.declare_tactic_option ~default:default_intuition_tac "Firstorder default solver"

}

VERNAC COMMAND EXTEND Firstorder_Set_Solver CLASSIFIED AS SIDEFF
| #[ locality; ] [ "Set" "Firstorder" "Solver" tactic(t) ] -> {
      set_default_solver
        (Locality.make_section_locality locality)
        (Tacintern.glob_tactic t)
  }
END

VERNAC COMMAND EXTEND Firstorder_Print_Solver CLASSIFIED AS QUERY
| [ "Print" "Firstorder" "Solver" ] -> {
    Feedback.msg_notice
      (Pp.(++) (Pp.str"Firstorder solver tactic is ") (print_default_solver ())) }
END

{

let gen_ground_tac flag taco ids bases =
  let backup= !qflag in
  Proofview.tclOR begin
  Proofview.Goal.enter begin fun gl ->
      qflag:=flag;
      let solver=
match taco with
     Some tac-> tac
   | None-> snd (default_solver ()) in
      let startseq k =
        Proofview.Goal.enter begin fun gl ->
let seq=empty_seq !ground_depth in
        let seq, sigma = extend_with_ref_list (pf_env gl) (project gl) ids seq in
        let seq, sigma = extend_with_auto_hints (pf_env gl) (project gl) bases seq in
        tclTHEN (Proofview.Unsafe.tclEVARS sigma) (k seq)
        end
      in
      let result=ground_tac solver startseq in
      qflag := backup;
      result
  end
  end
  (fun (e, info) -> qflag := backup; Proofview.tclZERO ~info e)

(* special for compatibility with Intuition

let constant str = Coqlib.get_constr str

let defined_connectives=lazy
  [[],EvalConstRef (destConst (constant "core.not.type"));
   [],EvalConstRef (destConst (constant "core.iff.type"))]

let normalize_evaluables=
  onAllHypsAndConcl
    (function
  None->unfold_in_concl (Lazy.force defined_connectives)
       | Some id->
    unfold_in_hyp (Lazy.force defined_connectives)
    (Tacexpr.InHypType id)) *)

open Ppconstr
open Printer
let pr_firstorder_using_raw _ _ _ = Pptactic.pr_auto_using pr_qualid
let pr_firstorder_using_glob _ _ _ = Pptactic.pr_auto_using (Pputils.pr_or_var (fun x -> pr_global (snd x)))
let pr_firstorder_using_typed _ _ _ = Pptactic.pr_auto_using pr_global

let warn_deprecated_syntax =
  CWarnings.create ~name:"firstorder-deprecated-syntax" ~category:"deprecated"
    (fun () -> Pp.strbrk "Deprecated syntax; use \",\" as separator")

}

ARGUMENT EXTEND firstorder_using
  TYPED AS reference list
  PRINTED BY { pr_firstorder_using_typed }
  RAW_PRINTED BY { pr_firstorder_using_raw }
  GLOB_PRINTED BY { pr_firstorder_using_glob }
| [ "using" reference(a) ] -> { [a] }
| [ "using" reference(a) "," ne_reference_list_sep(l,",") ] -> { a::l }
| [ "using" reference(a) reference(b) reference_list(l) ] -> {
    warn_deprecated_syntax ();
    a::b::l
  }
| [ ] -> { [] }
END

TACTIC EXTEND firstorder
|   [ "firstorder" tactic_opt(t) firstorder_using(l) ] ->
      { gen_ground_tac true (Option.map (tactic_of_value ist) t) l [] }
|   [ "firstorder" tactic_opt(t) "with" ne_preident_list(l) ] ->
      { gen_ground_tac true (Option.map (tactic_of_value ist) t) [] l }
|   [ "firstorder" tactic_opt(t) firstorder_using(l)
       "with" ne_preident_list(l') ] ->
      { gen_ground_tac true (Option.map (tactic_of_value ist) t) l l' }
END

TACTIC EXTEND gintuition
| [ "gintuition" tactic_opt(t) ] ->
     { gen_ground_tac false (Option.map (tactic_of_value ist) t) [] [] }
END

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