2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
12 (* $Id: orderings.ml 9869 2009-06-11 22:52:38Z denes $ *)
14 NCicBlob.set_default_eqP()
16 NCicProof.set_default_sig()
20 (* let debug s = prerr_endline (Lazy.force s);; *)
22 module B(C : NCicBlob.NCicContext): Orderings.Blob
23 with type t = NCic.term and type input = NCic.term
24 = Orderings.LPO(NCicBlob.NCicBlob(C))
26 module NCicParamod(C : NCicBlob.NCicContext) = Paramod.Paramod(B(C))
28 let readback rdb metasenv subst context (bag,i,l) =
31 print_endline (Pp.pp_unit_clause ~margin:max_int
32 (fst(Terms.M.find x bag)))) l;
34 let stamp = Unix.gettimeofday () in
35 let proofterm = NCicProof.mk_proof bag i l in
36 debug (lazy (Printf.sprintf "Got proof term in %fs"
37 (Unix.gettimeofday() -. stamp)));
38 let metasenv, proofterm =
39 let rec aux k metasenv = function
40 | NCic.Meta _ as t -> metasenv, t
42 let metasenv, i, _, _ =
43 NCicMetaSubst.mk_meta metasenv context `IsTerm
45 metasenv, NCic.Meta (i,(k,NCic.Irl (List.length context)))
46 | t -> NCicUntrusted.map_term_fold_a
47 (fun _ k -> k+1) k aux metasenv t
49 aux 0 metasenv proofterm
51 debug (lazy (NCicPp.ppterm ~metasenv ~subst ~context proofterm));
52 let metasenv, subst, proofterm, _prooftype =
54 (rdb#set_coerc_db NCicCoercion.empty_db)
55 metasenv subst context proofterm None
57 debug (lazy "refined!");
58 proofterm, metasenv, subst
60 let nparamod rdb metasenv subst context t table =
63 let metasenv = metasenv
68 let module B = B(C) in
69 let module P = NCicParamod(C) in
70 let module Pp = Pp.Pp(B) in
71 let bag, maxvar = Terms.empty_bag, 0 in
72 let (bag,maxvar), goals =
73 HExtlib.list_mapi_acc (fun x _ a -> P.mk_goal a x) (bag,maxvar) [t]
75 let (bag,maxvar), passives =
76 HExtlib.list_mapi_acc (fun x _ a -> P.mk_passive a x) (bag,maxvar) table
79 P.paramod ~useage:true ~max_steps:max_int ~timeout:(Unix.gettimeofday () +. 300.0)
80 ~g_passives:goals ~passives (bag,maxvar)
82 | P.Error _ | P.GaveUp | P.Timeout _ -> []
83 | P.Unsatisfiable solutions ->
84 List.map (readback rdb metasenv subst context) solutions
94 module P = NCicParamod(EmptyC)
97 let empty_state = P.empty_state
99 let forward_infer_step s t ty =
100 let bag = P.bag_of_state s in
101 let bag,clause = P.mk_passive bag (t,ty) in
102 if Terms.is_eq_clause clause then
103 P.forward_infer_step (P.replace_bag s bag) clause 0
107 let index_obj s uri =
108 let obj = NCicEnvironment.get_checked_obj uri in
110 | (_,_,[],[],NCic.Constant(_,_,Some(t),ty,_)) ->
111 forward_infer_step s t ty
115 let fast_eq_check rdb metasenv subst context s goal =
116 match P.fast_eq_check s goal with
117 | P.Error _ | P.GaveUp | P.Timeout _ -> []
118 | P.Unsatisfiable solutions ->
119 List.map (readback rdb metasenv subst context) solutions