Workaround for a BSD bug (submitted by Boender).

[helm.git] / matita / components / grafite_engine / grafiteTypes.ml

diff --git a/matita/components/grafite_engine/grafiteTypes.ml b/matita/components/grafite_engine/grafiteTypes.ml
index b99b15eaa9f8035adacdd37c6ab5f02e58689d4a..7cb6bef0c37877feb62dd3bf90bd8755e181d2f1 100644 (file)
--- a/matita/components/grafite_engine/grafiteTypes.ml
+++ b/matita/components/grafite_engine/grafiteTypes.ml
@@ -31,18 +31,29 @@ 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))
  in
   object
+   (* Warning: #stack and #obj are meaningful iff #ng_mode is `ProofMode *)
+   inherit ([Continuationals.Stack.t] NTacStatus.status fake_obj (Continuationals.Stack.empty))
+   inherit NCicLibrary.dumpable_status
+   inherit NCicLibrary.status
+   inherit GrafiteParser.status
+   inherit TermContentPres.status
    val baseuri = b
    val ng_mode = (`CommandMode : [`CommandMode | `ProofMode])
    method baseuri = baseuri
    method set_baseuri v = {< baseuri = v >}
    method ng_mode = ng_mode;
    method set_ng_mode v = {< ng_mode = v >}
-   (* Warning: #stack and #obj are meaningful iff #ng_mode is `ProofMode *)
-   inherit ([Continuationals.Stack.t] NTacStatus.status fake_obj (Continuationals.Stack.empty))
  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)