X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2Fmatitac.ml;h=bb796db1e79d8f005630d227cfacd8bdee3437a7;hb=87ff483dd776e580fa97fca0e3bf888cc8a8d540;hp=64870249019b5e8e79ef29f062870bf5504d4584;hpb=ac813b7e251e4bac1a8a16befa628203775771ca;p=helm.git

diff --git a/helm/matita/matitac.ml b/helm/matita/matitac.ml
index 648702490..bb796db1e 100644
--- a/helm/matita/matitac.ml
+++ b/helm/matita/matitac.ml
@@ -84,15 +84,22 @@ let interpreter =
     ~disambiguator ~currentProof ~console ~dbd ()
 
 let run_script fname =
-  message (sprintf "execution of %s started." fname);
+  message (sprintf "execution of %s started:" fname);
   let script =
     let ic = open_in fname in
-    let ast = snd (CicTextualParser2.parse_script (Stream.of_channel ic)) in
+    let ast = 
+      try 
+        snd (CicTextualParser2.parse_script (Stream.of_channel ic)) 
+      with
+        exn -> 
+          error (explain exn); 
+          assert false (* should be something like (Unix.exit 1) *)
+    in
     close_in ic;
     ast
   in
   let rec aux = function
-    | [] -> ()
+    | [] -> ()  (* script is over *)
     | DisambiguateTypes.Comment _ :: tl -> aux tl
     | DisambiguateTypes.Command ast :: tl ->
         let loc =
@@ -107,7 +114,8 @@ let run_script fname =
         else
           aux tl
   in
-  aux script
+  aux script;
+  message (sprintf "execution of %s completed." fname)
 
 let _ = List.iter run_script scripts