Fix input format in the JS example

src/bin/js/main_text_js.ml

@@ -38,7 +38,11 @@ let parse_cmdline () =
   with Parse_command.Exit_parse_command i -> exit i
 
 let () =
-  Options.set_exit_on_error false;
+  (* Currently, the main function of [Solving_loop] calls the [exit] function in
+     case of recoverable error, which is not supported in Javascript. We
+     turn off this feature as we do not support it correctly. See issue
+     https://github.com/OCamlPro/alt-ergo/issues/1250 *)
+  AltErgoLib.Options.set_exit_on_error false;
   register_input ();
   parse_cmdline ();
   AltErgoLib.Printer.init_colors ();

src/bin/js/worker_example.ml

@@ -64,7 +64,7 @@ let exec worker file options =
 let solve () =
   let options =
     {(Worker_interface.init_options ()) with
-     input_format=Some Native;
+     input_format = None;
      file = Some "try-alt-ergo";
      debug = Some true;
      verbose = Some true;
@@ -82,7 +82,10 @@ let solve () =
                    diagnostic = Some ["Timeout"]});
       (
         let file = String.split_on_char '\n' !file in
-        let json_file = Worker_interface.file_to_json None (Some 42) file in
+        let json_file =
+          Worker_interface.file_to_json
+            (Some ("dummy" ^ !extension)) (Some 42) file
+        in
         Firebug.console##log json_file;
         let json_options = Worker_interface.options_to_json options in
         Firebug.console##log json_options;

src/bin/js/worker_js.ml

@@ -54,7 +54,6 @@ let create_buffer () =
   buf, output
 
 let main worker_id filename filecontent =
-  let filename = match filename with | Some f -> f | None -> "<worker>" in
   try
     (* Create buffer for each formatter
        The content of this buffers are then retrieved and send as results *)
@@ -163,7 +162,7 @@ let () =
   at_exit Options.Output.close_all;
   Worker.set_onmessage (fun (json_file, json_options) ->
       Lwt_js_events.async (fun () ->
-          let filename, worker_id, filecontent =
+          let filename_opt, worker_id, filecontent =
             Worker_interface.file_from_json json_file
           in
           let filecontent = String.concat "\n" filecontent in
@@ -174,6 +173,7 @@ let () =
           Options.set_exit_on_error false;
 
           (* Run the worker on the input file (filecontent) *)
+          let filename = Option.get filename_opt in
           let results = main worker_id filename filecontent in
 
           (* Convert results and returns them *)