X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FgTopLevel%2FgTopLevel.ml;h=7d3985af3a56b63ef24059f16bac82e8f3a06232;hb=5333af1b6dba295b496e75b0ba864f87ebc1eb88;hp=9df5f8f75439f8966374aecf0260362c7c3a40fb;hpb=e636941304a5567a90e0d271e25325c0c8b5fce1;p=helm.git

diff --git a/helm/gTopLevel/gTopLevel.ml b/helm/gTopLevel/gTopLevel.ml
index 9df5f8f75..7d3985af3 100644
--- 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;;
@@ -470,7 +480,7 @@ let save_obj uri obj =
 ;;
 
 let qed () =
- match !ProofEngine.proof with
+ match ProofEngine.get_proof () with
     None -> assert false
   | Some (uri,[],bo,ty) ->
      if
@@ -559,10 +569,10 @@ let mk_fresh_name_callback context name ~typ =
 let refresh_proof (output : TermViewer.proof_viewer) =
  try
   let uri,currentproof =
-   match !ProofEngine.proof with
+   match ProofEngine.get_proof () with
       None -> assert false
     | Some (uri,metasenv,bo,ty) ->
-       ProofEngine.proof := Some(uri,metasenv,bo,ty);
+       ProofEngine.set_proof (Some (uri,metasenv,bo,ty)) ;
        if List.length metasenv = 0 then
         begin
          !qed_set_sensitive true ;
@@ -577,12 +587,16 @@ let refresh_proof (output : TermViewer.proof_viewer) =
    ignore (output#load_proof uri currentproof)
  with
   e ->
- match !ProofEngine.proof with
+ match ProofEngine.get_proof () with
     None -> assert false
   | Some (uri,metasenv,bo,ty) ->
 prerr_endline ("Offending proof: " ^ CicPp.ppobj (Cic.CurrentProof ("questa",metasenv,bo,ty,[]))) ; flush stderr ;
    raise (InvokeTactics.RefreshProofException e)
 
+let set_proof_engine_goal g =
+ ProofEngine.goal := g
+;;
+
 let refresh_goals ?(empty_notebook=true) notebook =
  try
   match !ProofEngine.goal with
@@ -596,7 +610,7 @@ let refresh_goals ?(empty_notebook=true) notebook =
        notebook#proofw#unload
    | Some metano ->
       let metasenv =
-       match !ProofEngine.proof with
+       match ProofEngine.get_proof () with
           None -> assert false
         | Some (_,metasenv,_,_) -> metasenv
       in
@@ -612,18 +626,18 @@ let refresh_goals ?(empty_notebook=true) notebook =
           notebook#remove_all_pages ~skip_switch_page_event ;
           List.iter (function (m,_,_) -> notebook#add_page m) metasenv ;
         in
-          if empty_notebook then
-           begin
-            regenerate_notebook () ;
-            notebook#set_current_page
-             ~may_skip_switch_page_event:false metano
-           end
-          else
-           begin
-            notebook#set_current_page
-             ~may_skip_switch_page_event:true metano ;
-            notebook#proofw#load_sequent metasenv currentsequent
-           end
+         if empty_notebook then
+          begin
+           regenerate_notebook () ;
+           notebook#set_current_page
+            ~may_skip_switch_page_event:false metano
+          end
+         else
+          begin
+           notebook#set_current_page
+            ~may_skip_switch_page_event:true metano ;
+           notebook#proofw#load_sequent metasenv currentsequent
+          end
  with
   e ->
 let metano =
@@ -632,7 +646,7 @@ let metano =
    | Some m -> m
 in
 let metasenv =
- match !ProofEngine.proof with
+ match ProofEngine.get_proof () with
     None -> assert false
   | Some (_,metasenv,_,_) -> metasenv
 in
@@ -691,14 +705,13 @@ let load_unfinished_proof () =
         match CicParser.obj_of_xml prooffiletype (Some prooffile) with
            Cic.CurrentProof (_,metasenv,bo,ty,_) ->
             typecheck_loaded_proof metasenv bo ty ;
-            ProofEngine.proof :=
-             Some (uri, metasenv, bo, ty) ;
-            ProofEngine.goal :=
+            ProofEngine.set_proof (Some (uri, metasenv, bo, ty)) ;
+            refresh_proof output ;
+            set_proof_engine_goal
              (match metasenv with
                  [] -> None
                | (metano,_,_)::_ -> Some metano
              ) ;
-            refresh_proof output ;
             refresh_goals notebook ;
              output_html outputhtml
               ("<h1 color=\"Green\">Current proof type loaded from " ^
@@ -866,7 +879,7 @@ let setgoal metano =
  let notebook = (rendering_window ())#notebook in
  let outputhtml = ((rendering_window ())#outputhtml : GHtml.xmhtml) in
   let metasenv =
-   match !ProofEngine.proof with
+   match ProofEngine.get_proof () with
       None -> assert false
     | Some (_,metasenv,_,_) -> metasenv
   in
@@ -1569,9 +1582,9 @@ prerr_endline ("######################## " ^ xxx) ;
   try
    let metasenv,expr = !get_metasenv_and_term () in
     let _  = CicTypeChecker.type_of_aux' metasenv [] expr in
-     ProofEngine.proof :=
-      Some (!get_uri (), (1,[],expr)::metasenv, Cic.Meta (1,[]), expr) ;
-     ProofEngine.goal := Some 1 ;
+     ProofEngine.set_proof
+      (Some (!get_uri (), (1,[],expr)::metasenv, Cic.Meta (1,[]), expr)) ;
+     set_proof_engine_goal (Some 1) ;
      refresh_goals notebook ;
      refresh_proof output ;
      !save_set_sensitive true ;
@@ -1612,7 +1625,7 @@ let check scratch_window () =
  let inputt = ((rendering_window ())#inputt : TermEditor.term_editor) in
  let outputhtml = ((rendering_window ())#outputhtml : GHtml.xmhtml) in
   let metasenv =
-   match !ProofEngine.proof with
+   match ProofEngine.get_proof () with
       None -> []
     | Some (_,metasenv,_,_) -> metasenv
   in
@@ -1661,9 +1674,8 @@ let open_ () =
        | Cic.Variable _
        | Cic.InductiveDefinition _ -> raise NotADefinition
      in
-      ProofEngine.proof :=
-       Some (uri, metasenv, bo, ty) ;
-      ProofEngine.goal := None ;
+      ProofEngine.set_proof (Some (uri, metasenv, bo, ty)) ;
+      set_proof_engine_goal None ;
       refresh_goals notebook ;
       refresh_proof output ;
       !save_set_sensitive true
@@ -2133,7 +2145,7 @@ let searchPattern () =
  let outputhtml = ((rendering_window ())#outputhtml : GHtml.xmhtml) in
   try
     let proof =
-     match !ProofEngine.proof with
+     match ProofEngine.get_proof () with
         None -> assert false
       | Some proof -> proof
     in
@@ -2642,15 +2654,47 @@ object(self)
        if not skip then
         try
          let (metano,setgoal,page) = List.nth !pages i in
-          ProofEngine.goal := Some metano ;
+          set_proof_engine_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 +2737,11 @@ 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 +2805,10 @@ 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"
@@ -2780,7 +2832,7 @@ class rendering_window output (notebook : notebook) =
    ~callback:
      (function _ ->
        ApplyStylesheets.reload_stylesheets () ;
-       if !ProofEngine.proof <> None then
+       if ProofEngine.get_proof () <> None then
         try
          refresh_goals notebook ;
          refresh_proof output
@@ -2880,7 +2932,8 @@ 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 ()
 ;;