From: Claudio Sacerdoti Coen <claudio.sacerdoticoen@unibo.it>
Date: Tue, 28 Jun 2005 17:11:17 +0000 (+0000)
Subject: In case of EOI the "go ()" loop must exit!
X-Git-Tag: INDEXING_NO_PROOFS~21
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=f1c4fa3d9ba8dcf53d78e0aee5464e9b82347ae7;p=helm.git

In case of EOI the "go ()" loop must exit!
---

diff --git a/helm/matita/matitacLib.ml b/helm/matita/matitacLib.ml
index 1f0aea715..d00156b8a 100644
--- a/helm/matita/matitacLib.ml
+++ b/helm/matita/matitacLib.ml
@@ -82,16 +82,20 @@ let pp_ocaml_mode () =
   MatitaLog.message ""
   
 let rec go () = 
+ let str = Stream.of_channel stdin in
   try
-    run_script (Stream.of_channel stdin) MatitaEngine.eval_from_stream_greedy
+    run_script str MatitaEngine.eval_from_stream_greedy
   with 
   | MatitaEngine.Drop -> pp_ocaml_mode ()
   | Sys.Break -> MatitaLog.error "user break!"; go ()
   | MatitaTypes.Command_error _ -> go ()
   | CicTextualParser2.Parse_error (floc,err) ->
-     let (x, y) = CicAst.loc_of_floc floc in
-     MatitaLog.error (sprintf "Parse error at %d-%d: %s" x y err);
-     go ()
+     (* check for EOI *)
+     if Stream.peek str = None then
+      exit 0
+     else
+      let (x, y) = CicAst.loc_of_floc floc in
+      MatitaLog.error (sprintf "Parse error at %d-%d: %s" x y err);
   | exn -> MatitaLog.error (Printexc.to_string exn); go ()
   
 let main ~mode =