matitatop now cleans all before exiting in every situation.

[helm.git] / helm / matita / matitacLib.ml

diff --git a/helm/matita/matitacLib.ml b/helm/matita/matitacLib.ml
index ba2085bca7cccbaaea8c78e07df04fecbf08e5e5..de89752151952761eac0edb23be21fb1b7b61d42 100644 (file)
--- a/helm/matita/matitacLib.ml
+++ b/helm/matita/matitacLib.ml
@@ -82,12 +82,21 @@ let pp_ocaml_mode () =
   MatitaLog.message ""
   
 let clean_exit n =
- match !status with
-    None -> exit n
-  | Some status ->
-     let baseuri = MatitaTypes.get_string_option !status "baseuri" in
-      MatitacleanLib.clean_baseuris ~verbose:false [baseuri];
-      exit n
+ let opt_exit =
+  function
+     None -> ()
+   | Some n -> exit n
+ in
+  match !status with
+     None -> opt_exit n
+   | Some status ->
+      try
+       let baseuri = MatitaTypes.get_string_option !status "baseuri" in
+       MatitacleanLib.clean_baseuris ~verbose:false [baseuri];
+       opt_exit n
+      with MatitaTypes.Option_error("baseuri", "not found") ->
+       (* no baseuri ==> nothing to clean yet *)
+       opt_exit n
   
 let rec interactive_loop () = 
  let str = Stream.of_channel stdin in
@@ -100,7 +109,10 @@ let rec interactive_loop () =
   | CicTextualParser2.Parse_error (floc,err) ->
      (* check for EOI *)
      if Stream.peek str = None then
-      clean_exit 0
+      begin
+       print_newline ();
+       clean_exit (Some 0)
+      end
      else
       let (x, y) = CicAst.loc_of_floc floc in
       MatitaLog.error (sprintf "Parse error at %d-%d: %s" x y err);
@@ -167,7 +179,7 @@ let main ~mode =
      begin
       MatitaLog.error
        "there are still incomplete proofs at the end of the script";
-      clean_exit 2
+      clean_exit (Some 2)
      end
     else
      begin
@@ -180,23 +192,23 @@ let main ~mode =
   | Sys.Break ->
       MatitaLog.error "user break!";
       if mode = `COMPILER then
-        clean_exit ~-1
+        clean_exit (Some ~-1)
       else
         pp_ocaml_mode ()
   | MatitaEngine.Drop ->
       if mode = `COMPILER then 
-        clean_exit 1 
+        clean_exit (Some 1)
       else 
         pp_ocaml_mode ()
   | 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);
      if mode = `COMPILER then
-       clean_exit 1
+       clean_exit (Some 1)
      else
        pp_ocaml_mode ()
   | _ ->
      if mode = `COMPILER then 
-       clean_exit 3
+       clean_exit (Some 3)
      else 
        pp_ocaml_mode ()