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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
open Xml_datatype
type level =
| Debug
| Info
| Notice
| Warning
| Error
type doc_id = int
type route_id = int
type feedback_content =
| Processed
| Incomplete
| Complete
| ProcessingIn of string
| InProgress of int
| WorkerStatus of string * string
| 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;
route : route_id;
contents : feedback_content;
}
(** Feeders *)
let feeders : (int, feedback -> unit) Hashtbl.t = Hashtbl.create 7
let add_feeder =
let f_id = ref 0 in fun f ->
incr f_id;
Hashtbl.add feeders !f_id f;
!f_id
let del_feeder fid = Hashtbl.remove feeders fid
let default_route = 0
let span_id = ref Stateid.dummy
let doc_id = ref 0
let feedback_route = ref default_route
let set_id_for_feedback ?(route=default_route) d i =
doc_id := d;
span_id := i;
feedback_route := route
let warn_no_listeners = ref true
let feedback ?did ?id ?route what =
let m = {
contents = what;
route = Option.default !feedback_route route;
doc_id = Option.default !doc_id did;
span_id = Option.default !span_id id;
} in
if !warn_no_listeners && Hashtbl.length feeders = 0 then
Format.eprintf "Warning, feedback message received but no listener to handle it!@\n%!";
Hashtbl.iter (fun _ f -> f m) feeders
(* Logging messages *)
let feedback_logger ?loc lvl msg =
feedback ~route:!feedback_route ~id:!span_id (Message (lvl, loc, msg))
let msg_info ?loc x = feedback_logger ?loc Info x
let msg_notice ?loc x = feedback_logger ?loc Notice x
let msg_warning ?loc x = feedback_logger ?loc Warning x
(* let msg_error ?loc x = feedback_logger ?loc Error x *)
let msg_debug ?loc x = feedback_logger ?loc Debug x
(* Helper for tools willing to understand only the messages *)
let console_feedback_listener fmt =
let open Format in
let pp_lvl fmt lvl = match lvl with
| Error -> fprintf fmt "Error: "
| Info -> fprintf fmt "Info: "
| Debug -> fprintf fmt "Debug: "
| Warning -> fprintf fmt "Warning: "
| Notice -> fprintf fmt ""
in
let pp_loc fmt loc = let open Loc in match loc with
| None -> fprintf fmt ""
| Some loc ->
let where =
match loc.fname with InFile f -> f | ToplevelInput -> "Toplevel input" in
fprintf fmt "\"%s\", line %d, characters %d-%d:@\n"
where loc.line_nb (loc.bp-loc.bol_pos) (loc.ep-loc.bol_pos) in
let checker_feed (fb : feedback) =
match fb.contents with
| Processed -> ()
| Incomplete -> ()
| Complete -> ()
| ProcessingIn _ -> ()
| InProgress _ -> ()
| WorkerStatus (_,_) -> ()
| AddedAxiom -> ()
| GlobRef (_,_,_,_,_) -> ()
| GlobDef (_,_,_,_) -> ()
| FileDependency (_,_) -> ()
| FileLoaded (_,_) -> ()
| Custom (_,_,_) -> ()
| Message (lvl,loc,msg) ->
fprintf fmt "@[%a@]%a@[%a@]\n%!" pp_loc loc pp_lvl lvl Pp.pp_with msg
in checker_feed
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