gistfile1.scala

object log {
        class LineOfCode() {
            val loc = {
                val list = Thread.currentThread.getStackTrace.toList
                list match {
                    case (_ :: _ :: _ :: loc :: loc2 :: _) => s"${loc2.getFileName}:${loc2.getLineNumber}->${loc.getFileName}:${loc.getLineNumber}"
                    case _                                 => ""
                }
            }
        }

        def debug(msg: Any)(implicit trace: LineOfCode = new LineOfCode()) = logger debug s"[trace: ${trace.loc}] ${msg.toString}"
        def info(msg: Any)(implicit trace: LineOfCode = new LineOfCode()) = logger info s"[trace: ${trace.loc}] ${msg.toString}"
        def warn(msg: Any)(implicit trace: LineOfCode = new LineOfCode()) = logger warn s"[trace: ${trace.loc}] ${msg.toString}"
        def error(msg: Any, t: Throwable = new RuntimeException("Uncaught error"))(implicit trace: LineOfCode = new LineOfCode()) = logger error (s"[trace: ${trace.loc}] ${msg}", t)

    }