* http://helm.cs.unibo.it/
*)
-class proofStatus ~typ ~metasenv ~uri () =
+class proof ?uri ~typ ~metasenv ~body () =
object (self)
- inherit MatitaTypes.subject
- val mutable _proof = (uri, (1, [], typ) :: metasenv, Cic.Meta (1, []), typ)
- val mutable _goal = Some 1
-
- method proof = _proof
- method setProof p = _proof <- p
- method goal = _goal
- method setGoal g = _goal <- g
- method status =
- _proof,
- (match _goal with Some g -> g | None -> raise MatitaTypes.No_proof)
- method setStatus (p, g) =
- _proof <- p;
- _goal <- Some g
+ 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, [])
method toXml =
- let (uri, metasenv, bo, ty) = _proof in
- let currentproof =
- (* TODO CSC: Wrong: [] is just plainly wrong *)
- Cic.CurrentProof (UriManager.name_of_uri uri,metasenv, bo, ty, [])
- in
+ let currentproof = self#currentProof in
let (acurrentproof,_,_,ids_to_inner_sorts,_,_,_) =
Cic2acic.acic_object_of_cic_object ~eta_fix:false currentproof
in
+ let uri = MatitaTypes.unopt_uri self#uri in
let xml, bodyxml =
match Cic2Xml.print_object uri ~ids_to_inner_sorts
~ask_dtd_to_the_getter:true acurrentproof
method toString =
let (xml, bodyxml) = self#toXml in
let buf = Buffer.create 10240 in
- Buffer.add_string buf "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n";
- Buffer.add_string buf "<!DOCTYPE ConstantType SYSTEM \"http://mowgli.cs.unibo.it:58081/getdtd?uri=cic.dtd\">\n";
- Buffer.add_string buf "<ProofStatus>\n";
- Buffer.add_string buf (Misc.strip_xml_headings (Xml.pp_to_string xml));
- Buffer.add_string buf (Misc.strip_xml_headings(Xml.pp_to_string bodyxml));
- Buffer.add_string buf
- (match _goal with
- | None -> "<CurrentGoal />"
- | Some goal -> Printf.sprintf "<CurrentGoal>%d</CurrentGoal>" goal);
- Buffer.add_string buf "\n</ProofStatus>";
+ List.iter (Buffer.add_string buf)
+ [ "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n";
+ "<!DOCTYPE ConstantType SYSTEM \"http://mowgli.cs.unibo.it:58081/getdtd?uri=cic.dtd\">\n";
+ "<ProofStatus>\n";
+ (Misc.strip_xml_headings (Xml.pp_to_string xml));
+ (Misc.strip_xml_headings(Xml.pp_to_string bodyxml));
+ (if not (self#proof_completed) then
+ Printf.sprintf "<CurrentGoal>%d</CurrentGoal>" self#goal
+ else
+ "<CurrentGoal />");
+ "\n</ProofStatus>"
+ ];
Buffer.contents buf
end
-let proofStatus ~typ ?(metasenv = []) ?(uri = MatitaTypes.untitled_con_uri) () =
- new proofStatus ~typ ~metasenv ~uri ()
-
-let proofStatus_of_string s =
- MatitaTypes.not_implemented "MatitaProof.proofStatus_of_string"
-
-class proof ~typ ?metasenv ?uri () =
- object
- val mutable _status = proofStatus ~typ ?metasenv ?uri ()
- method status = _status
- method setStatus s = _status <- s
- end
-
-let proof = new proof
-
-class tacticCommand ~(tactic:ProofEngineTypes.tactic) (status: proofStatus) =
- object
- val statusBackup = status#status
-
- method execute () =
- let (new_proof, new_goals) = tactic status#status in
- status#setProof new_proof;
- status#setGoal
- (match new_goals, new_proof with
- | goal :: _, _ -> Some goal
- | [], (_, (goal, _, _) :: _, _, _) ->
- (* the tactic left no open goal: let's choose the first open goal *)
- (* TODO CSC: here we could implement and use a proof-tree like
- * notion... *)
- Some goal
- | _, _ -> None);
- status#notify ()
-
- method undo () =
- status#setStatus statusBackup;
- status#notify ()
- end
-
-let intros ?namer =
- new tacticCommand
- ~tactic:(PrimitiveTactics.intros_tac ?mk_fresh_name_callback:namer ())
-
-let reflexivity = new tacticCommand ~tactic:EqualityTactics.reflexivity_tac
-let symmetry = new tacticCommand ~tactic:EqualityTactics.symmetry_tac
-let transitivity term =
- new tacticCommand ~tactic:(EqualityTactics.transitivity_tac ~term)
-
-let exists = new tacticCommand ~tactic:IntroductionTactics.exists_tac
-let split = new tacticCommand ~tactic:IntroductionTactics.split_tac
-let left = new tacticCommand ~tactic:IntroductionTactics.left_tac
-let right = new tacticCommand ~tactic:IntroductionTactics.right_tac
-
-let assumption = new tacticCommand ~tactic:VariousTactics.assumption_tac
+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 ()