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|
(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
(*i camlp4deps: "parsing/grammar.cma" i*)
(* $Id$ *)
open Formula
open Sequent
open Ground
open Goptions
open Tactics
open Tacticals
open Term
open Names
(* declaring search depth as a global option *)
let ground_depth=ref 5
let _=
let gdopt=
{ optsync=true;
optname="Ground Depth";
optkey=SecondaryTable("Ground","Depth");
optread=(fun ()->Some !ground_depth);
optwrite=
(function
None->ground_depth:=5
| Some i->ground_depth:=(max i 0))}
in
declare_int_option gdopt
let default_solver=(Tacinterp.interp <:tactic<Auto with *>>)
let fail_solver=tclFAIL 0 "GTauto failed"
let gen_ground_tac flag taco l gl=
let backup= !qflag in
try
qflag:=flag;
let solver=
match taco with
Some tac->tac
| None-> default_solver in
let startseq=create_with_ref_list l !ground_depth in
let result=ground_tac solver startseq gl in
qflag:=backup;result
with e ->qflag:=backup;raise e
(* special for compatibility with old Intuition *)
let constant str = Coqlib.gen_constant "User" ["Init";"Logic"] str
let defined_connectives=lazy
[[],EvalConstRef (destConst (constant "not"));
[],EvalConstRef (destConst (constant "iff"))]
let normalize_evaluables=
onAllClauses
(function
None->unfold_in_concl (Lazy.force defined_connectives)
| Some id->
unfold_in_hyp (Lazy.force defined_connectives)
(Tacexpr.InHypType id))
TACTIC EXTEND Ground
| [ "Ground" tactic(t) "with" ne_reference_list(l) ] ->
[ gen_ground_tac true (Some (snd t)) l ]
| [ "Ground" tactic(t) ] ->
[ gen_ground_tac true (Some (snd t)) [] ]
| [ "Ground" "with" ne_reference_list(l) ] ->
[ gen_ground_tac true None l ]
| [ "Ground" ] ->
[ gen_ground_tac true None [] ]
END
TACTIC EXTEND GTauto
[ "GTauto" ] ->
[ gen_ground_tac false (Some fail_solver) [] ]
END
TACTIC EXTEND GIntuition
["GIntuition" tactic(t)] ->
[ gen_ground_tac false
(Some(tclTHEN normalize_evaluables (snd t))) [] ]
| [ "GIntuition" ] ->
[ gen_ground_tac false
(Some (tclTHEN normalize_evaluables default_solver)) [] ]
END
|
