snapshot

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

diff --git a/helm/matita/matitaTypes.ml b/helm/matita/matitaTypes.ml
index b26c2f677221ba96c3180e5963815f3708b6f0db..92fc79b7c288fb979f65d136eb510c148c04fee4 100644 (file)
--- a/helm/matita/matitaTypes.ml
+++ b/helm/matita/matitaTypes.ml
@@ -23,8 +23,20 @@
  * http://helm.cs.unibo.it/
  *)
 
-  (** no current proof is available *)
-exception No_proof
+exception Not_implemented of string
+let not_implemented feature = raise (Not_implemented feature)
+
+  (** exceptions whose content should be presented to the user *)
+exception Failure of string
+let error s = raise (Failure s)
+let warning s = prerr_endline ("MATITA WARNING:\t" ^ s)
+let debug_print s =
+  if BuildTimeConf.debug then prerr_endline ("MATITA DEBUG:\t" ^ s)
+
+exception No_proof  (** no current proof is available *)
+
+let untitled_con_uri = UriManager.uri_of_string "cic:/untitled.con"
+let untitled_def_uri = UriManager.uri_of_string "cic:/untitled.ind"
 
 class type observer =
   (* "observer" pattern *)
@@ -49,7 +61,98 @@ class type command =
     method undo: unit -> unit
   end
 
+class type parserr =  (* "parser" is a keyword :-( *)
+  object
+    method parseTerm:     char Stream.t -> DisambiguateTypes.term
+    method parseTactic:   char Stream.t -> DisambiguateTypes.tactic
+    method parseTactical: char Stream.t -> DisambiguateTypes.tactical
+    method parseCommand:  char Stream.t -> DisambiguateTypes.command
+    method parseScript:   char Stream.t -> DisambiguateTypes.script
+  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
+
 (** {2 shorthands} *)
 
 type namer = ProofEngineTypes.mk_fresh_name_type
 
+type choose_uris_callback =
+  selection_mode:[`MULTIPLE|`SINGLE] ->
+  ?title:string -> ?msg:string -> ?nonvars_button:bool ->
+  string list ->
+    string list
+
+type choose_interp_callback = (string * string) list list -> int list
+