+class type parserr = (* "parser" is a keyword :-( *)
+ object
+ method parseTerm: char Stream.t -> DisambiguateTypes.term
+ method parseTactical: char Stream.t -> DisambiguateTypes.tactical
+ end
+
+class type disambiguator =
+ object
+ method parserr: parserr
+ method setParserr: parserr -> unit
+
+ method env: DisambiguateTypes.environment
+ method setEnv: DisambiguateTypes.environment -> unit
+
+ (* TODO Zack: as long as matita doesn't support MDI inteface,
+ * disambiguateTerm will return a single term *)
+ (** @param env disambiguation environment. If this parameter is given the
+ * disambiguator act statelessly, that is internal disambiguation status
+ * want be changed but only returned. If this parameter is not given the
+ * internal one will be used and updated with the disambiguation status
+ * resulting from the disambiguation *)
+ method disambiguateTerm:
+ ?context:Cic.context -> ?metasenv:Cic.metasenv ->
+ ?env:DisambiguateTypes.environment ->
+ char Stream.t ->
+ (DisambiguateTypes.environment * Cic.metasenv * Cic.term)
+ (** @param env @see disambiguateTerm above *)
+ method disambiguateTermAst:
+ ?context:Cic.context -> ?metasenv:Cic.metasenv ->
+ ?env:DisambiguateTypes.environment ->
+ DisambiguateTypes.term ->
+ (DisambiguateTypes.environment * Cic.metasenv * Cic.term)
+ end
+
+class type proofStatus =
+ object
+ inherit subject
+
+ (** {3 properties} *)
+
+ method proof: ProofEngineTypes.proof
+ method setProof: ProofEngineTypes.proof -> unit
+
+ method goal: ProofEngineTypes.goal option
+ method setGoal: ProofEngineTypes.goal option -> unit
+
+ (** @raise MatitaTypes.No_proof *)
+ method status: ProofEngineTypes.status (* proof, goal *)
+ method setStatus: ProofEngineTypes.status -> unit
+
+ (** {3 actions} *)
+
+ (** return a pair of "xml" (as defined in Xml module) representing the *
+ * current proof type and body, respectively *)
+ method toXml: Xml.token Stream.t * Xml.token Stream.t
+ method toString: string
+ end
+
+class type proof =
+ object
+ (** {3 status} *)
+ method status: proofStatus
+ method setStatus: proofStatus -> unit
+ end
+
+type proof_handler =
+ { get_proof: unit -> proof; (* return current proof or fail *)
+ set_proof: proof option -> unit; (* set a proof option as current proof *)
+ has_proof: unit -> bool; (* check if a current proof is available or not *)
+ new_proof: proof -> unit; (* as a set_proof but takes care also to register
+ observers *)
+ quit: unit -> unit
+ }
+
+ (** interpreter for toplevel phrases given via console *)
+class type interpreter =
+ object
+ method evalPhrase: string -> unit
+ end
+