Keeping Implicit for refinement (instead of transforming them to Metas:

[helm.git] / helm / software / components / ng_paramodulation / nCicParamod.ml

diff --git a/helm/software/components/ng_paramodulation/nCicParamod.ml b/helm/software/components/ng_paramodulation/nCicParamod.ml
index 3b9bfce045a4ca2496f9fa1c6b74b030a5d36100..b3ab4d5047194c236b362460439cfbc79e21ad41 100644 (file)
--- a/helm/software/components/ng_paramodulation/nCicParamod.ml
+++ b/helm/software/components/ng_paramodulation/nCicParamod.ml
@@ -35,6 +35,7 @@ let readback rdb metasenv subst context (bag,i,fo_subst,l) =
   let proofterm,prooftype = NCicProof.mk_proof bag i fo_subst l in
   (* debug (lazy (Printf.sprintf "Got proof term in %fs"
                     (Unix.gettimeofday() -. stamp))); *)
+(*
   let metasenv, proofterm = 
     let rec aux k metasenv = function
       | NCic.Meta _ as t -> metasenv, t
@@ -47,7 +48,7 @@ let readback rdb metasenv subst context (bag,i,fo_subst,l) =
           (fun _ k -> k+1) k aux metasenv t
     in
       aux 0 metasenv proofterm
-  in 
+  in *)
   debug (lazy (NCicPp.ppterm ~metasenv ~subst ~context proofterm));
 (*
   let stamp = Unix.gettimeofday () in
@@ -95,27 +96,40 @@ module EmptyC =
     let context = []
   end
 
+module CB = NCicBlob.NCicBlob(EmptyC)
 module P = NCicParamod(EmptyC)
 
 type state = P.state
 let empty_state = P.empty_state
 
 let forward_infer_step s t ty =
-  let bag = P.bag_of_state s in 
+  let bag = P.bag_of_state s in
   let bag,clause = P.mk_passive bag (t,ty) in
     if Terms.is_eq_clause clause then
       P.forward_infer_step (P.replace_bag s bag) clause 0
-    else s
+    else (prerr_endline "not eq"; s)
 ;;
 
 let index_obj s uri =
   let obj = NCicEnvironment.get_checked_obj uri in
   match obj with
-    | (_,_,[],[],NCic.Constant(_,_,Some(t),ty,_)) ->
-       forward_infer_step s t ty
+    | (_,d,[],[],NCic.Constant(_,_,Some(_),ty,_)) ->
+        let nref = NReference.reference_of_spec uri (NReference.Def d) in
+       forward_infer_step s (NCic.Const nref) ty
     | _ -> s
 ;;
 
+let paramod rdb metasenv subst context s goal =
+  (* let stamp = Unix.gettimeofday () in *)
+  match P.nparamod ~useage:true ~max_steps:max_int 
+    ~timeout:(Unix.gettimeofday () +. 300.0) s goal with
+  | P.Error _ | P.GaveUp | P.Timeout _ -> []
+  | P.Unsatisfiable solutions -> 
+      (* print (lazy (Printf.sprintf "Got solutions in %fs"
+                    (Unix.gettimeofday() -. stamp))); *)
+      List.map (readback rdb metasenv subst context) solutions
+;;
+
 let fast_eq_check rdb metasenv subst context s goal =
   (* let stamp = Unix.gettimeofday () in *)
   match P.fast_eq_check s goal with
@@ -126,3 +140,24 @@ let fast_eq_check rdb metasenv subst context s goal =
       List.map (readback rdb metasenv subst context) solutions
 ;;
 
+let is_equation metasenv subst context ty =
+  let hty, _, _ = 
+    NCicMetaSubst.saturate ~delta:0 metasenv subst context
+      ty 0 
+  in match hty with
+    | NCic.Appl (eq ::tl) when eq = CB.eqP -> true
+    | _ -> false
+;;
+
+
+(*
+let demodulate rdb metasenv subst context s goal =
+  (* let stamp = Unix.gettimeofday () in *)
+  match P.fast_eq_check s goal with
+  | P.Error _ | P.GaveUp | P.Timeout _ -> []
+  | P.Unsatisfiable solutions -> 
+      (* print (lazy (Printf.sprintf "Got solutions in %fs"
+                    (Unix.gettimeofday() -. stamp))); *)
+      List.map (readback rdb metasenv subst context) solutions
+;;
+*)