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()
19 module B(C : NCicBlob.NCicContext): Orderings.Blob
20 with type t = NCic.term and type input = NCic.term
21 = Orderings.LPO(NCicBlob.NCicBlob(C))
23 module NCicParamod(C : NCicBlob.NCicContext) = Paramod.Paramod(B(C))
25 let readback rdb metasenv subst context (bag,i,l) =
28 print_endline (Pp.pp_unit_clause ~margin:max_int
29 (fst(Terms.M.find x bag)))) l;
31 let stamp = Unix.gettimeofday () in
32 let proofterm = NCicProof.mk_proof bag i l in
33 prerr_endline (Printf.sprintf "Got proof term in %fs"
34 (Unix.gettimeofday() -. stamp));
35 let metasenv, proofterm =
36 let rec aux k metasenv = function
37 | NCic.Meta _ as t -> metasenv, t
39 let metasenv, i, _, _ =
40 NCicMetaSubst.mk_meta metasenv context `IsTerm
42 metasenv, NCic.Meta (i,(k,NCic.Irl (List.length context)))
43 | t -> NCicUntrusted.map_term_fold_a
44 (fun _ k -> k+1) k aux metasenv t
46 aux 0 metasenv proofterm
48 prerr_endline "so far 1";
49 prerr_endline (NCicPp.ppterm ~metasenv ~subst ~context proofterm);
50 let metasenv, subst, proofterm, _prooftype =
52 (rdb#set_coerc_db NCicCoercion.empty_db)
53 metasenv subst context proofterm None
55 proofterm, metasenv, subst
57 let nparamod rdb metasenv subst context t table =
60 let metasenv = metasenv
65 let module B = B(C) in
66 let module P = NCicParamod(C) in
67 let module Pp = Pp.Pp(B) in
68 let bag, maxvar = Terms.empty_bag, 0 in
69 let (bag,maxvar), goals =
70 HExtlib.list_mapi_acc (fun x _ a -> P.mk_goal a x) (bag,maxvar) [t]
72 let (bag,maxvar), passives =
73 HExtlib.list_mapi_acc (fun x _ a -> P.mk_passive a x) (bag,maxvar) table
76 P.paramod ~useage:true ~max_steps:max_int ~timeout:(Unix.gettimeofday () +. 300.0)
77 ~g_passives:goals ~passives (bag,maxvar)
79 | P.Error _ | P.GaveUp | P.Timeout _ -> []
80 | P.Unsatisfiable solutions ->
81 List.map (readback rdb metasenv subst context) solutions
91 module P = NCicParamod(EmptyC)
94 let empty_state = P.empty_state
96 let forward_infer_step s t ty =
97 let bag = P.bag_of_state s in
98 let bag,clause = P.mk_passive bag (t,ty) in
99 if Terms.is_eq_clause clause then
100 P.forward_infer_step (P.replace_bag s bag) clause 0
101 else (prerr_endline "not and equality"; s)
104 let index_obj s uri =
105 let obj = NCicEnvironment.get_checked_obj uri in
107 | (_,_,[],[],NCic.Constant(_,_,Some(t),ty,_)) ->
108 forward_infer_step s t ty
112 let fast_eq_check rdb metasenv subst context s goal =
113 match P.fast_eq_check s goal with
114 | P.Error _ | P.GaveUp | P.Timeout _ -> []
115 | P.Unsatisfiable solutions ->
116 List.map (readback rdb metasenv subst context) solutions