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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2014 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i camlp4deps: "parsing/grammar.cma" i*)
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;
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 congruence_depth=ref 100
let _=
let gdopt=
{ optsync=true;
optdepr=false;
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 (set_default_solver, default_solver, print_default_solver) =
Tactic_option.declare_tactic_option ~default:(<:tactic<auto with *>>) "Firstorder default solver"
VERNAC COMMAND EXTEND Firstorder_Set_Solver
| [ "Set" "Firstorder" "Solver" tactic(t) ] -> [
set_default_solver
(Vernacexpr.use_section_locality ())
(Tacinterp.glob_tactic t) ]
END
VERNAC COMMAND EXTEND Firstorder_Print_Solver
| [ "Print" "Firstorder" "Solver" ] -> [
Pp.msgnl
(Pp.(++) (Pp.str"Firstorder solver tactic is ") (print_default_solver ())) ]
END
let fail_solver=tclFAIL 0 (Pp.str "GTauto failed")
let gen_ground_tac flag taco ids bases gl=
let backup= !qflag in
try
qflag:=flag;
let solver=
match taco with
Some tac-> tac
| None-> snd (default_solver ()) in
let startseq gl=
let seq=empty_seq !ground_depth in
extend_with_auto_hints bases (extend_with_ref_list ids seq gl) gl in
let result=ground_tac solver startseq gl in
qflag:=backup;result
with reraise ->qflag:=backup;raise reraise
(* 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=
onAllHypsAndConcl
(function
None->unfold_in_concl (Lazy.force defined_connectives)
| Some id->
unfold_in_hyp (Lazy.force defined_connectives)
(Tacexpr.InHypType id)) *)
open Genarg
open Ppconstr
open Printer
let pr_firstorder_using_raw _ _ _ = prlist_with_sep pr_comma pr_reference
let pr_firstorder_using_glob _ _ _ = prlist_with_sep pr_comma (pr_or_var (pr_located pr_global))
let pr_firstorder_using_typed _ _ _ = prlist_with_sep pr_comma pr_global
ARGUMENT EXTEND firstorder_using
PRINTED BY pr_firstorder_using_typed
RAW_TYPED AS reference_list
RAW_PRINTED BY pr_firstorder_using_raw
GLOB_TYPED AS reference_list
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) ] -> [
Flags.if_verbose
Pp.msg_warning (Pp.str "Deprecated syntax; use \",\" as separator");
a::b::l
]
| [ ] -> [ [] ]
END
TACTIC EXTEND firstorder
[ "firstorder" tactic_opt(t) firstorder_using(l) ] ->
[ gen_ground_tac true (Option.map eval_tactic t) l [] ]
| [ "firstorder" tactic_opt(t) "with" ne_preident_list(l) ] ->
[ gen_ground_tac true (Option.map eval_tactic t) [] l ]
| [ "firstorder" tactic_opt(t) firstorder_using(l)
"with" ne_preident_list(l') ] ->
[ gen_ground_tac true (Option.map eval_tactic t) l l' ]
END
TACTIC EXTEND gintuition
[ "gintuition" tactic_opt(t) ] ->
[ gen_ground_tac false (Option.map eval_tactic t) [] [] ]
END
let default_declarative_automation gls =
tclORELSE
(tclORELSE (Auto.h_trivial [] None)
(Cctac.congruence_tac !congruence_depth []))
(gen_ground_tac true
(Some (tclTHEN
(snd (default_solver ()))
(Cctac.congruence_tac !congruence_depth [])))
[] []) gls
let () =
Decl_proof_instr.register_automation_tac default_declarative_automation
|
