X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fcomponents%2Fgrafite_engine%2FgrafiteTypes.ml;h=12935e80d6d838e3c6937a957b843eb41f740472;hb=21679cd1397d9c51519dbe439c29c1683b91ec64;hp=06cf9b9687d5a43c6cf96bf0b3129e717cc3c586;hpb=75f910c7001ba5a6abe61fc93a2731753c7ba188;p=helm.git

diff --git a/matita/components/grafite_engine/grafiteTypes.ml b/matita/components/grafite_engine/grafiteTypes.ml
index 06cf9b968..12935e80d 100644
--- a/matita/components/grafite_engine/grafiteTypes.ml
+++ b/matita/components/grafite_engine/grafiteTypes.ml
@@ -31,7 +31,7 @@ exception Command_error of string
 
 let command_error msg = raise (Command_error msg)
 
-class status = fun (b : string) ->
+class virtual status = fun (b : string) ->
  let fake_obj =
   NUri.uri_of_string "cic:/matita/dummy.decl",0,[],[],
    NCic.Constant([],"",None,NCic.Implicit `Closed,(`Provided,`Theorem,`Regular))
@@ -41,6 +41,8 @@ class status = fun (b : string) ->
    inherit ([Continuationals.Stack.t] NTacStatus.status fake_obj (Continuationals.Stack.empty))
    inherit NCicLibrary.dumpable_status
    inherit NCicLibrary.status
+   inherit NCicExtraction.status
+   inherit OcamlExtractionTable.status
    inherit GrafiteParser.status
    inherit TermContentPres.status
    val baseuri = b
@@ -51,9 +53,4 @@ class status = fun (b : string) ->
    method set_ng_mode v = {< ng_mode = v >}
  end
 
-module Serializer =
- NCicLibrary.Serializer(struct
-  type dumpable_s = status
-  let get status = (status : #status :> NCicLibrary.dumpable_status)
-  let set (status : dumpable_s) dump_status = status#set_dumpable_status dump_status
- end)
+module Serializer = NCicLibrary.Serializer(struct type dumpable_s = status end)