]> matita.cs.unibo.it Git - helm.git/blobdiff - helm/ocaml/tactics/eliminationTactics.ml
new universes implementation
[helm.git] / helm / ocaml / tactics / eliminationTactics.ml
index 29aa1c4f1ed5157aea052a7f37f34946232745ce..1db11951fed63c9ac2383026412d9e859afe776a 100644 (file)
@@ -56,15 +56,18 @@ let induction_tac ~term status =
 ;;
 *)
 
-
-let elim_type_tac ~term status =
-  let module C = Cic in
-  let module P = PrimitiveTactics in
-  let module T = Tacticals in
-   T.thens
-    ~start: (P.cut_tac term)
-    ~continuations:[ P.elim_intros_simpl_tac ~term:(C.Rel 1) ; T.id_tac ]
-    status
+let elim_type_tac ~term =
+ let elim_type_tac ~term status =
+   let module C = Cic in
+   let module P = PrimitiveTactics in
+   let module T = Tacticals in
+    ProofEngineTypes.apply_tactic 
+     (T.thens
+      ~start: (P.cut_tac term)
+      ~continuations:[ P.elim_intros_simpl_tac ~term:(C.Rel 1) ; T.id_tac ])
+     status
+ in
+  ProofEngineTypes.mk_tactic (elim_type_tac ~term)
 ;;
 
 
@@ -131,7 +134,8 @@ let call_back uris =
 ;;
 *)
 
-let decompose_tac ?(uris_choice_callback=(function l -> l)) term status =
+let decompose_tac ?(uris_choice_callback=(function l -> l)) term =
+ let decompose_tac uris_choice_callback term status =
   let (proof, goal) = status in
   let module C = Cic in
   let module R = CicReduction in
@@ -190,35 +194,39 @@ let decompose_tac ?(uris_choice_callback=(function l -> l)) term status =
               | C.Appl((C.MutInd (uri,typeno,exp_named_subst))::_) 
                  when (List.mem (uri,typeno,exp_named_subst) urilist) ->
                    warn ("elim " ^ CicPp.ppterm termty);
-                   T.then_ 
+                  ProofEngineTypes.apply_tactic 
+                   (T.then_ 
                       ~start:(P.elim_intros_simpl_tac ~term:term')
                       ~continuation:(
                         (* clear the hyp that has just been eliminated *)
-                        (fun status -> 
+                        ProofEngineTypes.mk_tactic (fun status -> 
                           let (proof, goal) = status in
                           let _,metasenv,_,_ = proof in
                            let _,context,_ = CicUtil.lookup_meta goal metasenv in
                             let new_context_len = List.length context in   
                              warn ("newcon=" ^ (string_of_int new_context_len) ^ " & oldcon=" ^ (string_of_int old_context_len) ^ " & old_nr_of_hyp=" ^ (string_of_int nr_of_hyp_still_to_elim));
                              let new_nr_of_hyp_still_to_elim = nr_of_hyp_still_to_elim + (new_context_len - old_context_len) - 1 in
-                             T.then_ 
+                            ProofEngineTypes.apply_tactic
+                             (T.then_ 
                                 ~start:(
                                   if (term'==term) (* if it's the first application of elim, there's no need to clear the hyp *) 
                                    then begin prerr_endline ("%%%%%%% no clear"); T.id_tac end
                                    else begin prerr_endline ("%%%%%%% clear " ^ (string_of_int (new_nr_of_hyp_still_to_elim))); (S.clear ~hyp:(List.nth context (new_nr_of_hyp_still_to_elim))) end)
-                                ~continuation:(elim_clear_tac ~term':(C.Rel new_nr_of_hyp_still_to_elim) ~nr_of_hyp_still_to_elim:new_nr_of_hyp_still_to_elim)
+                                ~continuation:(ProofEngineTypes.mk_tactic (elim_clear_tac ~term':(C.Rel new_nr_of_hyp_still_to_elim) ~nr_of_hyp_still_to_elim:new_nr_of_hyp_still_to_elim)))
                                 status
-                        ))
+                        )))
                       status
               | _ ->
                    let new_nr_of_hyp_still_to_elim = nr_of_hyp_still_to_elim - 1 in 
                     warn ("fail; hyp=" ^ (string_of_int new_nr_of_hyp_still_to_elim));
                     elim_clear_tac ~term':(C.Rel new_nr_of_hyp_still_to_elim) ~nr_of_hyp_still_to_elim:new_nr_of_hyp_still_to_elim status
          else (* no hyp to elim left in this goal *)
-          T.id_tac status
+          ProofEngineTypes.apply_tactic T.id_tac status
 
         in
          elim_clear_tac ~term':term ~nr_of_hyp_still_to_elim:1 status
+ in
+  ProofEngineTypes.mk_tactic (decompose_tac uris_choice_callback term)
 ;;