- bumped copyright years

- added support for proof checker environment dump/save/restore
- added support for hbugs notify upon goal change (disabled by default)
- added (re)submit option to hbugs menu

diff --git a/helm/gTopLevel/gTopLevel.ml b/helm/gTopLevel/gTopLevel.ml
index 9df5f8f75439f8966374aecf0260362c7c3a40fb..7c28c22ced477ee65adad54bba34af1d2c5ed763 100644 (file)
--- a/helm/gTopLevel/gTopLevel.ml
+++ b/helm/gTopLevel/gTopLevel.ml
@@ -1,4 +1,4 @@
-(* Copyright (C) 2000-2002, HELM Team.
+(* Copyright (C) 2000-2003, HELM Team.
  * 
  * This file is part of HELM, an Hypertextual, Electronic
  * Library of Mathematics, developed at the Computer Science
@@ -77,6 +77,16 @@ let prooffiletype =
   Not_found -> "/public/currentprooftype"
 ;;
 
+let environmentfile =
+ try
+  Sys.getenv "GTOPLEVEL_ENVIRONMENTFILE"
+ with
+  Not_found -> "/public/environment"
+;;
+
+let restore_environment_on_boot = true ;;
+let notify_hbugs_on_goal_change = false ;;
+
 (* GLOBAL REFERENCES (USED BY CALLBACKS) *)
 
 let htmlheader_and_content = ref htmlheader;;
@@ -2645,12 +2655,44 @@ object(self)
           ProofEngine.goal := Some metano ;
           Lazy.force (page#compute) ;
           Lazy.force setgoal;
-          Hbugs.notify ()
+          if notify_hbugs_on_goal_change then
+            Hbugs.notify ()
         with _ -> ()
     ))
 end
 ;;
 
+let dump_environment () =
+  try
+    let oc = open_out environmentfile in
+    output_html (outputhtml ()) "<b>Dumping environment ... </b><br />";
+    CicEnvironment.dump_to_channel
+      ~callback:(fun uri -> output_html (outputhtml ()) (uri ^ "<br />"))
+      oc;
+    output_html (outputhtml ()) "<b>... done!</b><br />";
+    close_out oc
+  with exc ->
+    output_html (outputhtml ())
+      (Printf.sprintf
+        "<h1 color=\"red\">Dump failure, uncaught exception:%s</h1>"
+        (Printexc.to_string exc))
+;;
+let restore_environment () =
+  try
+    let ic = open_in environmentfile in
+    output_html (outputhtml ()) "<b>Restoring environment ... </b><br />";
+    CicEnvironment.restore_from_channel
+      ~callback:(fun uri -> output_html (outputhtml ()) (uri ^ "<br />"))
+      ic;
+    output_html (outputhtml ()) "<b>... done!</b><br />";
+    close_in ic
+  with exc ->
+    output_html (outputhtml ())
+      (Printf.sprintf
+        "<h1 color=\"red\">Restore failure, uncaught exception:%s</h1>"
+        (Printexc.to_string exc))
+;;
+
 (* Main window *)
 
 class rendering_window output (notebook : notebook) =
@@ -2693,6 +2735,11 @@ class rendering_window output (notebook : notebook) =
     factory1#add_item "Save Unfinished Proof" ~key:GdkKeysyms._S
       ~callback:save_unfinished_proof
    in
+   ignore (factory1#add_separator ()) ;
+   ignore (factory1#add_item "Clear Environment" ~callback:CicEnvironment.empty);
+   ignore (factory1#add_item "Dump Environment" ~callback:dump_environment);
+   ignore
+    (factory1#add_item "Restore Environment" ~callback:restore_environment);
    ignore
     (save_set_sensitive := function b -> save_menu_item#misc#set_sensitive b);
    ignore (!save_set_sensitive false);
@@ -2756,7 +2803,10 @@ class rendering_window output (notebook : notebook) =
   factory6#add_check_item
     ~active:false ~key:GdkKeysyms._F5 ~callback:Hbugs.toggle "HBugs enabled"
  in
- let _ = factory6#add_item ~callback:Hbugs.notify "(Re)Submit status!" in
+ let _ =
+  factory6#add_item ~key:GdkKeysyms._Return ~callback:Hbugs.notify
+   "(Re)Submit status!"
+ in
  let _ = factory6#add_separator () in
  let _ =
   factory6#add_item ~callback:Hbugs.start_web_services "Start Web Services"
@@ -2880,7 +2930,8 @@ let initialize_everything () =
      Gdome_xslt.setDebugCallback
       (Some (print_error_as_html "XSLT Debug Message: "));
      rendering_window'#show () ;
-(*      Hbugs.toggle true; *)
+     if restore_environment_on_boot && Sys.file_exists environmentfile then
+       restore_environment ();
      GtkThread.main ()
 ;;