Extension of demod to arbtrary predicates (not just equalities).

[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 739e76f05ea3dc55080075a98b75a4c02118cf95..16ae66e5da45f76259420625ebd2311247899987 100644 (file)
--- a/helm/software/components/ng_paramodulation/nCicParamod.ml
+++ b/helm/software/components/ng_paramodulation/nCicParamod.ml
@@ -25,16 +25,17 @@ module B(C : NCicBlob.NCicContext): Orderings.Blob
 
 module NCicParamod(C : NCicBlob.NCicContext) = Paramod.Paramod(B(C))
 
-let readback rdb metasenv subst context (bag,i,fo_subst,l) =
+let readback ?(demod=false) rdb metasenv subst context (bag,i,fo_subst,l) =
 (*
   List.iter (fun x ->
      print_endline (Pp.pp_unit_clause ~margin:max_int
      (fst(Terms.M.find x bag)))) l; 
 *)
   (* let stamp = Unix.gettimeofday () in *)
-  let proofterm,prooftype = NCicProof.mk_proof bag i fo_subst l in
+  let proofterm,prooftype = NCicProof.mk_proof ~demod 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
@@ -106,18 +107,33 @@ let forward_infer_step s t ty =
   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 (prerr_endline "not eq"; s)
+    else (debug (lazy "not eq"); s)
 ;;
 
 let index_obj s uri =
   let obj = NCicEnvironment.get_checked_obj uri in
+  debug (lazy ("indexing : " ^ (NUri.string_of_uri uri)));
+  debug (lazy ("no : " ^ (string_of_int (fst (Obj.magic uri)))));
   match obj with
+    | (_,_,[],[],NCic.Constant(_,_,None,ty,_)) ->
+        let nref = NReference.reference_of_spec uri NReference.Decl in
+       forward_infer_step s (NCic.Const nref) 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 demod rdb metasenv subst context s goal =
+  (* let stamp = Unix.gettimeofday () in *)
+  match P.demod 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 ~demod:true rdb metasenv subst context) solutions
+;;
+
 let paramod rdb metasenv subst context s goal =
   (* let stamp = Unix.gettimeofday () in *)
   match P.nparamod ~useage:true ~max_steps:max_int