+ None, "Type checking error: " ^ Lazy.force msg
+ | CicTypeChecker.AssertFailure msg ->
+ None, "Type checking assertion failed: " ^ Lazy.force msg
+ | LibrarySync.AlreadyDefined s ->
+ None, "Already defined: " ^ UriManager.string_of_uri s
+ | MatitaDisambiguator.DisambiguationError (offset,errorll) ->
+ let rec aux n ?(dummy=false) (prev_msg,phases) =
+ function
+ [] -> [prev_msg,phases]
+ | phase::tl ->
+ let msg =
+ String.concat "\n\n\n"
+ (List.map (fun (floc,msg) ->
+ let loc_descr =
+ match floc with
+ None -> ""
+ | Some floc ->
+ let (x, y) = HExtlib.loc_of_floc floc in
+ sprintf " at %d-%d" (x+offset) (y+offset)
+ in
+ "*Error" ^ loc_descr ^ ": " ^ Lazy.force msg) phase)
+ in
+ if msg = prev_msg then
+ aux (n+1) (msg,phases@[n]) tl
+ else
+ (if not dummy then [prev_msg,phases] else []) @
+ (aux (n+1) (msg,[n]) tl) in
+ let loc =
+ match errorll with
+ ((Some floc,_)::_)::_ ->
+ let (x, y) = HExtlib.loc_of_floc floc in
+ let x = x + offset in
+ let y = y + offset in
+ let flocb,floce = floc in
+ let floc =
+ {flocb with Lexing.pos_cnum = x}, {floce with Lexing.pos_cnum = y}
+ in
+ Some floc
+ | _ -> None in
+ let rec explain =
+ function
+ [] -> ""
+ | (msg,phases)::tl ->
+ explain tl ^
+ "***** Errors obtained during phase" ^
+ (if phases = [] then " " else "s ") ^
+ String.concat "," (List.map string_of_int phases) ^": *****\n"^
+ msg ^ "\n\n"
+ in
+ loc,
+ "********** DISAMBIGUATION ERRORS: **********\n" ^
+ explain (aux 1 ~dummy:true ("",[]) errorll)
+ | exn -> None, "Uncaught exception: " ^ Printexc.to_string exn