* http://helm.cs.unibo.it/
*)
+open MatitaCicMisc
+
+let init_metadata _ = ()
+let compute_metadata _ _ = ()
+
+(*
+let init_metadata status =
+ let ((_, metasenv, _, _) as proof, _) = status in
+ let proof_object_metadata = (* compute proof annotations *)
+ Cic2acic.acic_object_of_cic_object (cicCurrentProof proof)
+ in
+ let sequents_metadata = (* compute all sequent annotations from scratch *)
+ List.map
+ (fun ((metano, context, term) as sequent) ->
+ (metano, Cic2acic.asequent_of_sequent metasenv sequent))
+ metasenv
+ in
+ (proof_object_metadata, sequents_metadata)
+
+let compute_metadata (old_status, old_metadata) new_status =
+ let ((_, new_metasenv, _, _) as new_proof, goal_opt) = new_status in
+ let proof_object_metadata = (* compute proof annotations *)
+ let obj =
+ match goal_opt with
+ | Some _ -> cicCurrentProof new_proof
+ | None -> cicConstant new_proof
+ in
+ Cic2acic.acic_object_of_cic_object obj
+ in
+ let sequents_metadata = (* compute all sequent annotations from scratch *)
+ (** TODO Zack could we reuse some of the annotations from the previous
+ * status to avoid recomputing all of them? uhm ... we have to which
+ * sequents haven't been changed by last tactic applications ... doh! *)
+ List.map
+ (fun ((metano, context, term) as sequent) ->
+ (metano, Cic2acic.asequent_of_sequent new_metasenv sequent))
+ new_metasenv
+ in
+ (proof_object_metadata, sequents_metadata)
+*)
+
class proof ?uri ~typ ~metasenv ~body () =
object (self)
- inherit [unit] StatefulProofEngine.status ?uri ~typ ~body ~metasenv
- (fun _ -> ())
- (fun _ _ -> ())
- ()
-
- method private currentProof =
- let (uri, metasenv, bo, ty) = self#proof in
- let uri =
- match uri with
- | Some uri -> uri
- | None -> MatitaTypes.untitled_con_uri
- in
- (* TODO CSC: Wrong: [] is just plainly wrong *)
- Cic.CurrentProof (UriManager.name_of_uri uri, metasenv, bo, ty, [])
+ inherit [unit]
+ StatefulProofEngine.status
+ ~history_size:BuildTimeConf.undo_history_size ?uri ~typ ~body ~metasenv
+ init_metadata compute_metadata ()
method toXml =
- let currentproof = self#currentProof in
+ let currentproof = cicCurrentProof self#proof in
let (acurrentproof,_,_,ids_to_inner_sorts,_,_,_) =
Cic2acic.acic_object_of_cic_object ~eta_fix:false currentproof
in
end
+class currentProof =
+ let fail () = failwith "No current proof" in
+ object (self)
+ val mutable _proof: MatitaTypes.proof option = None
+ val mutable observers = []
+ val mutable callbacks = []
+
+ initializer self#connect `Abort (fun () -> _proof <- None; false)
+
+ (** execute all callbacks related to a given event until one of them
+ * return true or the end of the callback list is reached *)
+ method private do_callbacks event =
+ let rec aux = function
+ | [] -> ()
+ | (event', f) :: tl when event' = event -> if not (f ()) then aux tl
+ | _ :: tl -> aux tl
+ in
+ aux callbacks
+
+ method addObserver o = observers <- o :: observers
+
+ method connect (event:[`Abort|`Quit]) f =
+ callbacks <- (event, f) :: callbacks
+
+ method onGoing () = _proof <> None
+ method proof = match _proof with None -> fail () | Some proof -> proof
+ method start (proof: MatitaTypes.proof) =
+ List.iter
+ (fun observer ->
+ ignore (proof#attach_observer
+ ~interested_in:StatefulProofEngine.all_events observer))
+ observers;
+ proof#notify;
+ _proof <- Some proof
+ method abort () = self#do_callbacks `Abort
+ method quit () = self#do_callbacks `Quit
+ end
+
let proof ?uri ~metasenv ~typ () =
let metasenv = (1, [], typ) :: metasenv in
let body = Cic.Meta (1,[]) in
let _ = CicTypeChecker.type_of_aux' metasenv [] typ in
new proof ~typ ~metasenv ~body ?uri ()
+let currentProof () = new currentProof
+