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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Xml_datatype
(* Legacy-style logging messages (used to be in Pp) *)
type level =
| Debug
| Info
| Notice
| Warning
| Error
(** Document unique identifier for serialization *)
type doc_id = int
(** Coq "semantic" infos obtained during execution *)
type route_id = int
val default_route : route_id
type feedback_content =
(* STM mandatory data (must be displayed) *)
| Processed
| Incomplete
| Complete
(* STM optional data *)
| ProcessingIn of string
| InProgress of int
| WorkerStatus of string * string
(* Generally useful metadata *)
| AddedAxiom
| GlobRef of Loc.t * string * string * string * string
| GlobDef of Loc.t * string * string * string
| FileDependency of string option * string
| FileLoaded of string * string
(* Extra metadata *)
| Custom of Loc.t option * string * xml
(* Generic messages *)
| Message of level * Loc.t option * Pp.t
type feedback = {
doc_id : doc_id; (* The document being concerned *)
span_id : Stateid.t; (* The document part concerned *)
route : route_id; (* Extra routing info *)
contents : feedback_content; (* The payload *)
}
(** {6 Feedback sent, even asynchronously, to the user interface} *)
(* The interpreter assignes an state_id to the ast, and feedbacks happening
* during interpretation are attached to it.
*)
(** [add_feeder f] adds a feeder listiner [f], returning its id *)
val add_feeder : (feedback -> unit) -> int
(** [del_feeder fid] removes the feeder with id [fid] *)
val del_feeder : int -> unit
(** [feedback ?did ?sid ?route fb] produces feedback [fb], with
[route] and [did, sid] set appropiatedly, if absent, it will use
the defaults set by [set_id_for_feedback] *)
val feedback : ?did:doc_id -> ?id:Stateid.t -> ?route:route_id -> feedback_content -> unit
(** [set_id_for_feedback route id] Set the defaults for feedback *)
val set_id_for_feedback : ?route:route_id -> doc_id -> Stateid.t -> unit
(** {6 output functions}
[msg_notice] do not put any decoration on output by default. If
possible don't mix it with goal output (prefer msg_info or
msg_warning) so that interfaces can dispatch outputs easily. Once all
interfaces use the xml-like protocol this constraint can be
relaxed. *)
(* Should we advertise these functions more? Should they be the ONLY
allowed way to output something? *)
val msg_info : ?loc:Loc.t -> Pp.t -> unit
(** Message that displays information, usually in verbose mode, such as [Foobar
is defined] *)
val msg_notice : ?loc:Loc.t -> Pp.t -> unit
(** Message that should be displayed, such as [Print Foo] or [Show Bar]. *)
val msg_warning : ?loc:Loc.t -> Pp.t -> unit
(** Message indicating that something went wrong, but without serious
consequences. *)
val msg_error : ?loc:Loc.t -> Pp.t -> unit
(** Message indicating that something went really wrong, though still
recoverable; otherwise an exception would have been raised. *)
val msg_debug : ?loc:Loc.t -> Pp.t -> unit
(** For debugging purposes *)
val console_feedback_listener : Format.formatter -> feedback -> unit
(** Helper for tools willing to print to the feedback system *)
val warn_no_listeners : bool ref
(** The library will print a warning to the console if no listener is
available by default; ML-clients willing to use Coq without a
feedback handler should set this to false. *)
|
