X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaExcPp.ml;h=6dccc429fae99293349978c5764c55bb09d9dca7;hb=f7d04edd37b51a7daa4e372be9439163f92648b6;hp=fce5cf6d991bea50ffc5fb8a41c1d7aad703a115;hpb=b2f2e47efe1e01df81cb7659c30eeb76f1f830da;p=helm.git

diff --git a/helm/matita/matitaExcPp.ml b/helm/matita/matitaExcPp.ml
index fce5cf6d9..6dccc429f 100644
--- a/helm/matita/matitaExcPp.ml
+++ b/helm/matita/matitaExcPp.ml
@@ -49,5 +49,11 @@ let to_string =
         (".moo file '%s' has been compiled by a different version of matita, "
         ^^ "please recompile it")
         fname
+  | ProofEngineTypes.Fail msg -> "Tactic error: " ^ Lazy.force msg
+  | Continuationals.Error s -> "Tactical error: " ^ Lazy.force s
+  | CicTypeChecker.TypeCheckerFailure msg ->
+     "Type checking error: " ^ Lazy.force msg
+  | CicTypeChecker.AssertFailure msg ->
+     "Type checking assertion failed: " ^ Lazy.force msg
   | exn -> "Uncaught exception: " ^ Printexc.to_string exn