X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Fsoftware%2Fcomponents%2Flexicon%2FlexiconEngine.ml;h=39d95a7f2cd02c5f503390286c502a08e7e09d08;hb=e83cd27fc0694c34baf35c8b80d32317e51be707;hp=4662ca6bd7c2da39820a12f7d881ed078dfdbd9f;hpb=e603c19e82c160362587cb0bc578287c87122b90;p=helm.git

diff --git a/helm/software/components/lexicon/lexiconEngine.ml b/helm/software/components/lexicon/lexiconEngine.ml
index 4662ca6bd..39d95a7f2 100644
--- a/helm/software/components/lexicon/lexiconEngine.ml
+++ b/helm/software/components/lexicon/lexiconEngine.ml
@@ -47,12 +47,18 @@ let initial_status = {
   notation_ids = [];
 }
 
-class status =
+class type g_status =
  object
+  method lstatus: lexicon_status
+ end
+
+class status =
+ object(self)
   val lstatus = initial_status
   method lstatus = lstatus
   method set_lstatus v = {< lstatus = v >}
-  method set_lexicon_engine_status (o : status) = {< lstatus = o#lstatus >}
+  method set_lexicon_engine_status : 'status. #g_status as 'status -> 'self
+   = fun o -> self#set_lstatus o#lstatus
  end
 
 let dump_aliases out msg status =
@@ -140,7 +146,9 @@ let rec eval_command ?(mode=L.WithPreferences) sstatus cmd =
               prerr_endline ("LexiconEngine.eval_command: domain item not found: " ^ 
                (DisambiguateTypes.string_of_domain_item item));
 	      dump_aliases prerr_endline "" sstatus;
-              assert false
+              raise (Failure (
+                      (DisambiguateTypes.string_of_domain_item item) ^ 
+                      " not found"));
 	    end
        | p -> p
      in