Merge of the V7_3_new_exportation branch.

[helm.git] / helm / gTopLevel / hbugs.ml

diff --git a/helm/gTopLevel/hbugs.ml b/helm/gTopLevel/hbugs.ml
new file mode 100644 (file)
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+++ b/helm/gTopLevel/hbugs.ml
@@ -0,0 +1,133 @@
+(*
+ * Copyright (C) 2003:
+ *    Stefano Zacchiroli <zack@cs.unibo.it>
+ *    for the HELM Team http://helm.cs.unibo.it/
+ *
+ *  This file is part of HELM, an Hypertextual, Electronic
+ *  Library of Mathematics, developed at the Computer Science
+ *  Department, University of Bologna, Italy.
+ *
+ *  HELM is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  HELM is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with HELM; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ *  MA  02111-1307, USA.
+ *
+ *  For details, see the HELM World-Wide-Web page,
+ *  http://helm.cs.unibo.it/
+ *)
+
+open Hbugs_types;;
+open Printf;;
+
+let debug_print = 
+  let debug = true in
+  fun s -> prerr_endline (sprintf "DEBUG: %s" s)
+;;
+
+exception NoProofInProgress;;
+
+let hbugs_client = ref None
+let use_hint_callback = ref ignore
+
+let quit () =
+       match !hbugs_client with
+       | Some c -> c#unregisterFromBroker ()
+       | None -> ()
+
+let hbugs_enabled = ref false
+
+let get_hbugs_client () =
+       match !hbugs_client with
+       | Some c -> c
+       | None -> assert false
+
+let disable () =
+       match !hbugs_client with None -> () | Some c -> c#hide ()
+
+       (** send current proof assistant state to hbugs broker *)
+let notify () =
+       try
+               if !hbugs_enabled then begin
+                       let client = get_hbugs_client () in
+                       let goal =
+                               match !ProofEngine.goal with
+                               | Some g -> g
+                               | None -> raise NoProofInProgress
+                       in
+                       let (type_string, body_string) =
+                               let (type_xml, body_xml) = ProofEngine.get_current_status_as_xml () in
+                               (Xml.pp_to_string type_xml, Xml.pp_to_string body_xml)
+                       in
+                       let new_state =
+                               (Misc.strip_xml_headings type_string,
+                                Misc.strip_xml_headings body_string,
+                                goal)
+                       in
+                       client#stateChange (Some new_state)
+               end
+       with NoProofInProgress -> ()
+
+let clear () =
+ if !hbugs_enabled then
+  begin
+        let client = get_hbugs_client () in
+         client#stateChange None
+  end
+
+let rec enable () =
+       (match !hbugs_client with
+       | None -> (* create an hbugs client and show its window *)
+                       hbugs_client :=
+                               (try
+                                       Some (new Hbugs_client.hbugsClient
+            ~use_hint_callback:!use_hint_callback ())
+                               with e ->
+                                       prerr_endline (sprintf "Can't start HBugs client: %s"
+                                               (Printexc.to_string e));
+                                       None);
+                       (match !hbugs_client with
+                       |Some client ->
+                                       client#show ();
+                                       client#subscribeAll ()
+                       | None -> ())
+       | Some c -> (* show hbugs client window *)
+                       c#show ())
+
+let toggle state =
+       if state <> !hbugs_enabled then (* status has been changed *)
+               (if state then enable () else disable ());
+       hbugs_enabled := state
+
+module type Unit = sig end
+
+module Initialize (Tactics: InvokeTactics.Tactics) : Unit =
+  struct
+    let use_hint = function
+      | Use_ring_Luke -> Tactics.ring ()
+      | Use_fourier_Luke -> Tactics.fourier ()
+      | Use_reflexivity_Luke -> Tactics.reflexivity ()
+      | Use_symmetry_Luke -> Tactics.symmetry ()
+      | Use_assumption_Luke -> Tactics.assumption ()
+      | Use_contradiction_Luke -> Tactics.contradiction ()
+      | Use_exists_Luke -> Tactics.exists ()
+      | Use_split_Luke -> Tactics.split ()
+      | Use_left_Luke -> Tactics.left ()
+      | Use_right_Luke -> Tactics.right ()
+      | Use_apply_Luke term ->
+         (* we remove the "cic:" prefix *)
+         let term' = String.sub term 4 (String.length term - 4) in
+          Tactics.apply ~term:term' ()
+      | Hints _ -> assert false
+
+    let _ = use_hint_callback := use_hint
+  end