Added an implicit parameter to branch_tac to allow branching on a

[helm.git] / helm / software / components / grafite_engine / grafiteEngine.ml

diff --git a/helm/software/components/grafite_engine/grafiteEngine.ml b/helm/software/components/grafite_engine/grafiteEngine.ml
index aea900cdf6fac1027f76fa6554f2ee0bd218844b..239d30d2d1480ff0b0c354a757cacbf4105cc058 100644 (file)
--- a/helm/software/components/grafite_engine/grafiteEngine.ml
+++ b/helm/software/components/grafite_engine/grafiteEngine.ml
@@ -531,6 +531,7 @@ let record_index_obj =
 ;;
 
 let index_obj_for_auto status (uri, height, _, _, kind) = 
+ (*prerr_endline (string_of_int height);*)
  let mk_item orig_ty spec =
    let ty,_,_ = NCicMetaSubst.saturate ~delta:max_int [] [] [] orig_ty 0 in
    let keys = 
@@ -594,6 +595,36 @@ let index_obj_for_auto status (uri, height, _, _, kind) =
  status#set_dump dump
 ;; 
 
+let index_eq uri status =
+  let eq_status = status#eq_cache in
+  let eq_status1 = NCicParamod.index_obj eq_status uri in
+    status#set_eq_cache eq_status1
+;;
+
+let record_index_eq =
+ let basic_index_eq uri
+   ~refresh_uri_in_universe 
+   ~refresh_uri_in_term 
+   = index_eq (NCicLibrary.refresh_uri uri) 
+ in
+  NCicLibrary.Serializer.register#run "index_eq"
+   object(_ : 'a NCicLibrary.register_type)
+     method run = basic_index_eq
+   end
+;;
+
+let index_eq_for_auto status uri =
+ if NnAuto.is_a_fact_obj status uri then
+   let newstatus = index_eq uri status in
+     if newstatus#eq_cache == status#eq_cache then status 
+     else
+       ((*prerr_endline ("recording " ^ (NUri.string_of_uri uri));*)
+       let dump = record_index_eq uri :: newstatus#dump 
+       in newstatus#set_dump dump)
+ else 
+   ((*prerr_endline "Not a fact";*)
+   status)
+;; 
 
 let basic_eval_add_constraint (u1,u2) status =
  NCicLibrary.add_constraint status u1 u2
@@ -721,7 +752,7 @@ let eval_ng_punct (_text, _prefix_len, punct) =
   match punct with
   | GrafiteAst.Dot _ -> NTactics.dot_tac 
   | GrafiteAst.Semicolon _ -> fun x -> x
-  | GrafiteAst.Branch _ -> NTactics.branch_tac 
+  | GrafiteAst.Branch _ -> NTactics.branch_tac ~force:false
   | GrafiteAst.Shift _ -> NTactics.shift_tac 
   | GrafiteAst.Pos (_,l) -> NTactics.pos_tac l
   | GrafiteAst.Wildcard _ -> NTactics.wildcard_tac 
@@ -732,6 +763,8 @@ let eval_ng_tac tac =
  let rec aux f (text, prefix_len, tac) =
   match tac with
   | GrafiteAst.NApply (_loc, t) -> NTactics.apply_tac (text,prefix_len,t) 
+  | GrafiteAst.NSmartApply (_loc, t) -> 
+      NnAuto.smart_apply_tac (text,prefix_len,t) 
   | GrafiteAst.NAssert (_loc, seqs) ->
      NTactics.assert_tac
       ((List.map
@@ -746,7 +779,7 @@ let eval_ng_tac tac =
   | GrafiteAst.NAuto (_loc, (l,a)) ->
       NAuto.auto_tac
        ~params:(List.map (fun x -> "",0,x) l,a)
-  | GrafiteAst.NBranch _ -> NTactics.branch_tac 
+  | GrafiteAst.NBranch _ -> NTactics.branch_tac ~force:false
   | GrafiteAst.NCases (_loc, what, where) ->
       NTactics.cases_tac 
         ~what:(text,prefix_len,what)
@@ -759,6 +792,9 @@ let eval_ng_tac tac =
      NTactics.constructor_tac 
        ?num ~args:(List.map (fun x -> text,prefix_len,x) args)
   | GrafiteAst.NCut (_loc, t) -> NTactics.cut_tac (text,prefix_len,t) 
+(*| GrafiteAst.NDiscriminate (_,what) -> NDestructTac.discriminate_tac ~what:(text,prefix_len,what)
+  | GrafiteAst.NSubst (_,what) -> NDestructTac.subst_tac ~what:(text,prefix_len,what)*)
+  | GrafiteAst.NDestruct _ -> NDestructTac.destruct_tac
   | GrafiteAst.NDot _ -> NTactics.dot_tac 
   | GrafiteAst.NElim (_loc, what, where) ->
       NTactics.elim_tac 
@@ -775,6 +811,7 @@ let eval_ng_tac tac =
         ~what:(text,prefix_len,what) name
   | GrafiteAst.NMerge _ -> NTactics.merge_tac 
   | GrafiteAst.NPos (_,l) -> NTactics.pos_tac l
+  | GrafiteAst.NPosbyname (_,s) -> NTactics.case_tac s
   | GrafiteAst.NReduce (_loc, reduction, where) ->
       NTactics.reduce_tac ~reduction ~where:(text,prefix_len,where)
   | GrafiteAst.NRewrite (_loc,dir,what,where) ->
@@ -846,6 +883,12 @@ let rec eval_ncommand opts status (text,prefix_len,cmd) =
         let old_status = status in
         let status = NCicLibrary.add_obj status obj in
         let status = index_obj_for_auto status obj in
+        let status = index_eq_for_auto status uri in
+(*
+         try 
+           index_eq uri status
+         with _ -> prerr_endline "got an exception"; status
+       in *)
 (*         prerr_endline (NCicPp.ppobj obj); *)
         HLog.message ("New object: " ^ NUri.string_of_uri uri);
          (try
@@ -868,11 +911,18 @@ let rec eval_ncommand opts status (text,prefix_len,cmd) =
             List.fold_left
              (fun (status,uris) boxml ->
                try
-                let status,nuris =
+                let nstatus,nuris =
                  eval_ncommand opts status
                   ("",0,GrafiteAst.NObj (HExtlib.dummy_floc,boxml))
                 in
-                status, concat_nuris uris nuris
+                if nstatus#ng_mode <> `CommandMode then
+                  begin
+                    HLog.error "error in generating projection/eliminator";
+                    prerr_endline (NCicPp.ppobj nstatus#obj);
+                    nstatus, uris
+                  end
+                else
+                  nstatus, concat_nuris uris nuris
                with
                | MultiPassDisambiguator.DisambiguationError _ 
                | NCicTypeChecker.TypeCheckerFailure _ ->
@@ -894,6 +944,7 @@ let rec eval_ncommand opts status (text,prefix_len,cmd) =
                        fst (match menv with
                              [] -> eval_ncommand opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
                            | _ -> status,`New []))
+                       (* XXX *)
                       with _ -> HLog.warn "error in generating inversion principle"; 
                                 let status = status#set_ng_mode `CommandMode in status)
                   status
@@ -983,6 +1034,24 @@ let rec eval_ncommand opts status (text,prefix_len,cmd) =
           [] ->
            eval_ncommand opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
         | _ -> status,`New [])
+  | GrafiteAst.NDiscriminator (_,_) -> assert false (*(loc, indty) ->
+      if status#ng_mode <> `CommandMode then
+        raise (GrafiteTypes.Command_error "Not in command mode")
+      else
+        let status = status#set_ng_mode `ProofMode in
+        let metasenv,subst,status,indty =
+          GrafiteDisambiguate.disambiguate_nterm None status [] [] [] (text,prefix_len,indty) in
+        let indtyno, (_,_,tys,_,_) = match indty with
+            NCic.Const ((NReference.Ref (_,NReference.Ind (_,indtyno,_))) as r) ->
+              indtyno, NCicEnvironment.get_checked_indtys r
+          | _ -> prerr_endline ("engine: indty expected... (fix this error message)"); assert false in
+        let it = List.nth tys indtyno in
+        let status,obj =  NDestructTac.mk_discriminator it status in
+        let _,_,menv,_,_ = obj in
+          (match menv with
+               [] -> eval_ncommand opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
+             | _ -> prerr_endline ("Discriminator: non empty metasenv");
+                    status, `New []) *)
   | GrafiteAst.NInverter (loc, name, indty, selection, sort) ->
      if status#ng_mode <> `CommandMode then
       raise (GrafiteTypes.Command_error "Not in command mode")