module Trace = Trace_core

let enabled = Trace.enabled
let dummy_span = Int64.min_int
let dummy_file_ = "<unknown file>"

let[@inline] enter_span name : int64 =
  if name = "" then
    dummy_span
  else
    Trace.enter_span ~__FILE__:dummy_file_ ~__LINE__:0 name

let[@inline] exit_span sp = if sp <> dummy_span then Trace.exit_span sp