snapshot (notably: first working version of the console)

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

diff --git a/helm/matita/matita.ml b/helm/matita/matita.ml
index 59076c94ed540a53c98a99cb6fbdedf8fa3a8498..8954ec704af26b49dde3d8adcad6116fcee144ad 100644 (file)
--- a/helm/matita/matita.ml
+++ b/helm/matita/matita.ml
@@ -25,44 +25,112 @@
 
 open MatitaGtkMisc
 
-exception Not_implemented of string
-let not_implemented feature = raise (Not_implemented feature)
+(** {2 Internal status} *)
 
-  (** exceptions whose content should be presented to the user *)
-exception Failure of string
-let error s = raise (Failure s)
+let (get_proof, set_proof, has_proof) =
+  let (current_proof: MatitaTypes.proof option ref) = ref None in
+  ((fun () ->
+    match !current_proof with
+    | Some proof -> proof
+    | None -> failwith "No current proof"),
+   (fun proof ->  (* TODO Zack: this function should probably be smarter taking
+               care also of unregistering notifications subscriber and so on *)
+     current_proof := proof),
+   (fun () -> !current_proof <> None))
+
+(** {2 Settings} *)
+
+let debug_print = MatitaTypes.debug_print
+
+(** {2 Initialization} *)
 
 let _ = Helm_registry.load_from "matita.conf.xml"
 let _ = GMain.Main.init ()
 let gui = new MatitaGui.gui (Helm_registry.get "matita.glade_file")
+let parserr = new MatitaDisambiguator.parserr ()
+let mqiconn = MQIConn.init ()
+let disambiguator =
+  new MatitaDisambiguator.disambiguator ~parserr ~mqiconn
+    ~chooseUris:(interactive_user_uri_choice ~gui)
+    ~chooseInterp:(interactive_interp_choice ~gui)
+    ()
+
+let new_proof proof =
+  (* TODO Zack: high level function which create a new proof object and register
+  * to it the widgets which must be refreshed upon status changes *)
+(*       proof#status#attach ... *)
+  proof#status#notify ();
+  set_proof (Some proof)
 
-  (** quit program, possibly asking for confirmation *)
-let quit () = GMain.Main.quit ()
-let _ = gui#setQuitCallback quit
-let _ = gui#main#debugMenu#misc#hide ()
+let quit () = (* quit program, asking for confirmation if needed *)
+  if not (has_proof ()) ||
+    (ask_confirmation ~gui
+      ~msg:("Proof in progress, are you sure you want to quit?") ())
+  then
+    GMain.Main.quit ()
+
+let proof_handler =
+  { MatitaTypes.get_proof = get_proof;
+    MatitaTypes.set_proof = set_proof;
+    MatitaTypes.has_proof = has_proof;
+    MatitaTypes.new_proof = new_proof;
+    MatitaTypes.quit = quit;
+  }
+
+let interpreter =
+  let console = gui#console in
+  new MatitaInterpreter.interpreter ~disambiguator ~proof_handler ~console ()
+
+let _ =
+  gui#setQuitCallback quit;
+  gui#setPhraseCallback interpreter#evalPhrase;
+  gui#main#debugMenu#misc#hide ();
+  ignore (gui#main#newProofMenuItem#connect#activate (fun _ ->
+   if has_proof () &&
+      not (ask_confirmation ~gui
+        ~msg:("Proof in progress, are you sure you want to start a new one?")
+        ())
+    then
+      ()  (* abort new proof process *)
+    else
+      let input = ask_text ~gui ~msg:"Insert proof goal" ~multiline:true () in
+      let (env, metasenv, term) =
+        disambiguator#disambiguateTerm (Stream.of_string input)
+      in
+      let proof = MatitaProof.proof ~typ:term ~metasenv () in
+      new_proof proof))
 
   (** <DEBUGGING> *)
-if BuildTimeConf.debug then begin
-  gui#main#debugMenu#misc#show ();
-  let addDebugItem ~label callback =
-    let item = GMenu.menu_item ~label () in
-    gui#main#debugMenu_menu#append item;
-    ignore (item#connect#activate callback);
-  in
-  addDebugItem "interactive user uri choice" (fun _ ->
-    try
-      let uris =
-        interactive_user_uri_choice ~gui ~selection_mode:`MULTIPLE
-          ~title:"titolo" ~msg:"messaggio" ~nonvars_button:true
-          ["cic:/uno.con"; "cic:/due.var"; "cic:/tre.con"; "cic:/quattro.con";
-          "cic:/cinque.var"]
+let _ =
+  if BuildTimeConf.debug then begin
+    gui#main#debugMenu#misc#show ();
+    let addDebugItem ~label callback =
+      let item =
+        GMenu.menu_item ~packing:gui#main#debugMenu_menu#append ~label ()
       in
-      List.iter prerr_endline uris
-    with No_choice -> error "no choice");
-  addDebugItem "toggle auto disambiguation" (fun _ ->
-    Helm_registry.set_bool "matita.auto_disambiguation"
-      (not (Helm_registry.get_bool "matita.auto_disambiguation")))
-end
+      ignore (item#connect#activate callback)
+    in
+    addDebugItem "interactive user uri choice" (fun _ ->
+      try
+        let uris =
+          interactive_user_uri_choice ~gui ~selection_mode:`MULTIPLE
+            ~msg:"messaggio" ~nonvars_button:true
+            ["cic:/uno.con"; "cic:/due.var"; "cic:/tre.con"; "cic:/quattro.con";
+            "cic:/cinque.var"]
+        in
+        List.iter prerr_endline uris
+      with MatitaGtkMisc.Cancel -> MatitaTypes.error "no choice");
+    addDebugItem "toggle auto disambiguation" (fun _ ->
+      Helm_registry.set_bool "matita.auto_disambiguation"
+        (not (Helm_registry.get_bool "matita.auto_disambiguation")));
+    addDebugItem "mono line text input" (fun _ ->
+      prerr_endline (ask_text ~gui ~title:"title" ~msg:"message" ()));
+    addDebugItem "multi line text input" (fun _ ->
+      prerr_endline
+        (ask_text ~gui ~title:"title" ~multiline:true ~msg:"message" ()));
+    addDebugItem "dump proof status to stdout" (fun _ ->
+      print_endline ((get_proof ())#status#toString));
+  end
   (** </DEBUGGING> *)
 
 let _ = GtkThread.main ()