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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(* \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: g_ground.ml4 10346 2007-12-05 21:11:19Z aspiwack $ *)
open Formula
open Sequent
open Ground
open Goptions
open Tactics
open Tacticals
open Tacinterp
open Term
open Names
open Util
open Libnames
(* declaring search depth as a global option *)
let ground_depth=ref 3
let _=
let gdopt=
{ optsync=true;
optname="Firstorder Depth";
optkey=SecondaryTable("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 congruence_depth=ref 100
let _=
let gdopt=
{ optsync=true;
optname="Congruence Depth";
optkey=SecondaryTable("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_solver=(Tacinterp.interp <:tactic<auto with *>>)
let fail_solver=tclFAIL 0 (Pp.str "GTauto failed")
type external_env=
Ids of global_reference list
| Bases of Auto.hint_db_name list
| Void
let gen_ground_tac flag taco ext gl=
let backup= !qflag in
try
qflag:=flag;
let solver=
match taco with
Some tac-> tac
| None-> default_solver in
let startseq=
match ext with
Void -> (fun gl -> empty_seq !ground_depth)
| Ids l-> create_with_ref_list l !ground_depth
| Bases l-> create_with_auto_hints 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 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 firstorder
[ "firstorder" tactic_opt(t) "using" ne_reference_list(l) ] ->
[ gen_ground_tac true (Option.map eval_tactic t) (Ids l) ]
| [ "firstorder" tactic_opt(t) "with" ne_preident_list(l) ] ->
[ gen_ground_tac true (Option.map eval_tactic t) (Bases l) ]
| [ "firstorder" tactic_opt(t) ] ->
[ gen_ground_tac true (Option.map eval_tactic t) Void ]
END
TACTIC EXTEND gintuition
[ "gintuition" tactic_opt(t) ] ->
[ gen_ground_tac false (Option.map eval_tactic t) Void ]
END
let default_declarative_automation gls =
tclORELSE
(tclORELSE (Auto.h_trivial [] None)
(Cctac.congruence_tac !congruence_depth []))
(gen_ground_tac true
(Some (tclTHEN
default_solver
(Cctac.congruence_tac !congruence_depth [])))
Void) gls
let () =
Decl_proof_instr.register_automation_tac default_declarative_automation
|
