`sig
type t = exn = ..
val to_string : exn -> string
val print : ('a -> 'b) -> 'a -> 'b
val catch : ('a -> 'b) -> 'a -> 'b
val print_backtrace : Stdlib.out_channel -> unit
val get_backtrace : unit -> string
val record_backtrace : bool -> unit
val backtrace_status : unit -> bool
val register_printer : (exn -> string option) -> unit
type raw_backtrace
val get_raw_backtrace : unit -> Printexc.raw_backtrace
val print_raw_backtrace :
Stdlib.out_channel -> Printexc.raw_backtrace -> unit
val raw_backtrace_to_string : Printexc.raw_backtrace -> string
external raise_with_backtrace : exn -> Printexc.raw_backtrace -> 'a
= "%raise_with_backtrace"
val get_callstack : int -> Printexc.raw_backtrace
val set_uncaught_exception_handler :
(exn -> Printexc.raw_backtrace -> unit) -> unit
type backtrace_slot
val backtrace_slots :
Printexc.raw_backtrace -> Printexc.backtrace_slot array option
type location = {
filename : string;
line_number : int;
start_char : int;
end_char : int;
}
module Slot :
sig
type t = Printexc.backtrace_slot
val is_raise : Printexc.Slot.t -> bool
val is_inline : Printexc.Slot.t -> bool
val location : Printexc.Slot.t -> Printexc.location option
val format : int -> Printexc.Slot.t -> string option
end
type raw_backtrace_slot
val raw_backtrace_length : Printexc.raw_backtrace -> int
val get_raw_backtrace_slot :
Printexc.raw_backtrace -> int -> Printexc.raw_backtrace_slot
val convert_raw_backtrace_slot :
Printexc.raw_backtrace_slot -> Printexc.backtrace_slot
val get_raw_backtrace_next_slot :
Printexc.raw_backtrace_slot -> Printexc.raw_backtrace_slot option
val exn_slot_id : exn -> int
val exn_slot_name : exn -> string
end`