snapshot

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

diff --git a/helm/matita/matita.ml b/helm/matita/matita.ml
index 530e477a8f45bcb319f1bfee256d7bd859f3f672..8f34f5bf728c141b88fe12cc8f97c3303cc45756 100644 (file)
--- a/helm/matita/matita.ml
+++ b/helm/matita/matita.ml
@@ -27,13 +27,18 @@ open MatitaGtkMisc
 
 (** {2 Internal status} *)
 
-  (* TODO Zack: may be current_proofs if we want an MDI interface *)
-let (current_proof: MatitaProof.proof option ref) = ref None
+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 -> current_proof := proof),
+   (fun () -> !current_proof <> None))
 
 (** {2 Settings} *)
 
-let untitled_con_uri = UriManager.uri_of_string "cic:/untitled.con"
-let untitled_def_uri = UriManager.uri_of_string "cic:/untitled.def"
+let debug_print = MatitaTypes.debug_print
 
 (** {2 Initialization} *)
 
@@ -48,18 +53,41 @@ let disambiguator =
     ~chooseInterp:(interactive_interp_choice ~gui)
     ()
 
-  (** quit program, possibly asking for confirmation *)
-let quit () = GMain.Main.quit ()
+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)
+
+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 (!current_proof <> None) &&
+   if has_proof () &&
       not (ask_confirmation ~gui
-              ~msg:("Starting a new proof will abort current one,\n" ^
-                "are you sure you want to continue?")
-              ())
+        ~msg:("Proof in progress, are you sure you want to start a new one?")
+        ())
     then
       ()  (* abort new proof process *)
     else
@@ -67,9 +95,8 @@ let _ =
       let (env, metasenv, term) =
         disambiguator#disambiguateTerm (Stream.of_string input)
       in
-      prerr_endline ("nuova prova: " ^ CicPp.ppterm term)
-      (* TODO Zack: FINQUI *)
-  ))
+      let proof = MatitaProof.proof ~typ:term ~metasenv () in
+      new_proof proof))
 
   (** <DEBUGGING> *)
 let _ =
@@ -99,6 +126,8 @@ let _ =
     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> *)