ocaml 3.09 transition

[helm.git] / helm / ocaml / tactics / autoTactic.ml

diff --git a/helm/ocaml/tactics/autoTactic.ml b/helm/ocaml/tactics/autoTactic.ml
index 568e12ca40c4b303bd182ea3688efba78070ea0f..b232d9894c444fb1ea2b431ff3811908e033930f 100644 (file)
--- a/helm/ocaml/tactics/autoTactic.ml
+++ b/helm/ocaml/tactics/autoTactic.ml
@@ -23,14 +23,17 @@
  * http://cs.unibo.it/helm/.
  *)
 
- let debug_print = ignore (*prerr_endline *)
+ let debug = false
+ let debug_print s = if debug then prerr_endline (Lazy.force s)
 
 (* let debug_print = fun _ -> () *)
 
+(* Profiling code
 let new_experimental_hint =
  let profile = CicUtil.profile "new_experimental_hint" in
  fun ~dbd ~facts ?signature ~universe status ->
-  profile (MetadataQuery.new_experimental_hint ~dbd ~facts ?signature ~universe) status
+  profile.profile (MetadataQuery.new_experimental_hint ~dbd ~facts ?signature ~universe) status
+*) let new_experimental_hint = MetadataQuery.new_experimental_hint
 
 (* In this versions of auto_tac we maintain an hash table of all inspected
    goals. We assume that the context is invariant for application. 
@@ -143,8 +146,8 @@ let rec auto_single dbd proof goal ey ty depth width sign already_seen_goals
       match exitus with
          Yes (bo,_) ->
             (*
-              debug_print "ALREADY PROVED!!!!!!!!!!!!!!!!!!!!!!!!!!!!";
-             debug_print (CicPp.ppterm ty);
+              debug_print (lazy "ALREADY PROVED!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
+             debug_print (lazy (CicPp.ppterm ty));
             *)
             let subst_in =
               (* if we just apply the subtitution, the type 
@@ -157,13 +160,13 @@ let rec auto_single dbd proof goal ey ty depth width sign already_seen_goals
                proof goal subst_in metasenv in
              [(subst_in,(proof,[],sign))]
         | No d when (d >= depth) -> 
-           (* debug_print "PRUNED!!!!!!!!!!!!!!!!!!!!!!!!!!!!"; *)
+           (* debug_print (lazy "PRUNED!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); *)
            [] (* the empty list means no choices, i.e. failure *)
        | No _ 
        | NotYetInspected ->
-             debug_print ("CURRENT GOAL = " ^ CicPp.ppterm ty);
-             debug_print ("CURRENT PROOF = " ^ CicPp.ppterm p);
-             debug_print ("CURRENT HYP = " ^ CicPp.ppcontext ey);
+             debug_print (lazy ("CURRENT GOAL = " ^ CicPp.ppterm ty));
+             debug_print (lazy ("CURRENT PROOF = " ^ CicPp.ppterm p));
+             debug_print (lazy ("CURRENT HYP = " ^ CicPp.ppcontext ey));
            let sign, new_sign =
              if is_meta_closed then
                None, Some (MetadataConstraints.signature_of ty)
@@ -214,8 +217,8 @@ let rec auto_single dbd proof goal ey ty depth width sign already_seen_goals
                             in
                               if not (cty = ty) then
                                 begin
-                                  debug_print ("ty =  "^CicPp.ppterm ty);
-                                  debug_print ("cty =  "^CicPp.ppterm cty);
+                                  debug_print (lazy ("ty =  "^CicPp.ppterm ty));
+                                  debug_print (lazy ("cty =  "^CicPp.ppterm cty));
                                   assert false
                                 end
                                   Hashtbl.add inspected_goals 
@@ -275,25 +278,80 @@ and auto_new_aux dbd width already_seen_goals universe = function
 let default_depth = 5
 let default_width = 3
 
-let auto_tac ?(depth=default_depth) ?(width=default_width) ~(dbd:Mysql.dbd)
+(*
+let auto_tac ?(depth=default_depth) ?(width=default_width) ~(dbd:HMysql.dbd)
   ()
 =
   let auto_tac dbd (proof,goal) =
   let universe = MetadataQuery.signature_of_goal ~dbd (proof,goal) in
   Hashtbl.clear inspected_goals;
-  debug_print "Entro in Auto";
+  debug_print (lazy "Entro in Auto");
   let id t = t in
+  let t1 = Unix.gettimeofday () in
   match auto_new dbd width [] universe [id,(proof, [(goal,depth)],None)] with
-      [] ->  debug_print("Auto failed");
+      [] ->  debug_print (lazy "Auto failed");
        raise (ProofEngineTypes.Fail "No Applicable theorem")
-    | (_,(proof,[],_))::_ ->  
-       debug_print "AUTO_TAC HA FINITO";
+    | (_,(proof,[],_))::_ ->
+        let t2 = Unix.gettimeofday () in
+       debug_print (lazy "AUTO_TAC HA FINITO");
        let _,_,p,_ = proof in
-       debug_print (CicPp.ppterm p);
+       debug_print (lazy (CicPp.ppterm p));
+        Printf.printf "tempo: %.9f\n" (t2 -. t1);
        (proof,[])
     | _ -> assert false
   in
   ProofEngineTypes.mk_tactic (auto_tac dbd)
 ;;
+*)
+
+let paramodulation_tactic = ref
+  (fun dbd ?full ?depth ?width status ->
+     raise (ProofEngineTypes.Fail (lazy "Not Ready yet...")));;
+
+let term_is_equality = ref
+  (fun term -> debug_print (lazy "term_is_equality E` DUMMY!!!!"); false);;
 
 
+let auto_tac ?(depth=default_depth) ?(width=default_width) ?paramodulation
+    ?full ~(dbd:HMysql.dbd) () =
+  let auto_tac dbd (proof, goal) =
+    let normal_auto () = 
+      let universe = MetadataQuery.signature_of_goal ~dbd (proof, goal) in
+      Hashtbl.clear inspected_goals;
+      debug_print (lazy "Entro in Auto");
+      let id t = t in
+      let t1 = Unix.gettimeofday () in
+      match
+        auto_new dbd width [] universe [id, (proof, [(goal, depth)], None)]
+      with
+        [] ->  debug_print(lazy "Auto failed");
+         raise (ProofEngineTypes.Fail (lazy "No Applicable theorem"))
+      | (_,(proof,[],_))::_ ->
+          let t2 = Unix.gettimeofday () in
+         debug_print (lazy "AUTO_TAC HA FINITO");
+         let _,_,p,_ = proof in
+         debug_print (lazy (CicPp.ppterm p));
+          debug_print (lazy (Printf.sprintf "tempo: %.9f\n" (t2 -. t1)));
+         (proof,[])
+      | _ -> assert false
+    in
+    let full = match full with None -> false | Some _ -> true in
+    let paramodulation_ok =
+      match paramodulation with
+      | None -> false
+      | Some _ ->
+          let _, metasenv, _, _ = proof in
+          let _, _, meta_goal = CicUtil.lookup_meta goal metasenv in
+          full || (!term_is_equality meta_goal)
+    in
+    if paramodulation_ok then (
+      debug_print (lazy "USO PARAMODULATION...");
+(*       try *)
+      !paramodulation_tactic dbd ~depth ~width ~full (proof, goal)
+(*       with ProofEngineTypes.Fail _ -> *)
+(*         normal_auto () *)
+    ) else
+      normal_auto () 
+  in
+  ProofEngineTypes.mk_tactic (auto_tac dbd)
+;;