How to log the original function name when using seelog wrap

Hello, Following is my seelog wrap. But i've not got the original file name, line number, function name, etc. We all know we can use macros in C/C++/Objective-C. So is there any workaround for this by seelog or go language? Thanks !

[20170308 07:53:51.067 +08] [t] StartTcpServer enter.
   [logwrap.go:48] [cacom/logwrap.V]

package logwrap

import (
    seelog "github.com/cihub/seelog"
)

var logger seelog.LoggerInterface

func Init(cfgFile string) bool {
    l, err := seelog.LoggerFromConfigAsFile(cfgFile)
    if err != nil {
        return true
    }
    logger = l
    seelog.ReplaceLogger(l)
    return true
}

// Call this before app shutdown
func Flush() {
    logger.Flush()
}

// verbose
func V(format string, args ...interface{}) {
    logger.Tracef(format, args...)
}

// debug
func D(format string, args ...interface{}) {
    logger.Debugf(format, args...)
}

// info
func I(format string, args ...interface{}) {
    logger.Infof(format, args...)
}

// warn
func W(format string, args ...interface{}) {
    logger.Warnf(format, args...)
}

// error
func E(format string, args ...interface{}) {
    logger.Errorf(format, args...)
}

// fatal
func F(format string, args ...interface{}) {
    logger.Criticalf(format, args...)
}

package main

import (
    log "cacom/logwrap"
    "fmt"
)

func main() {
    cfg := "../log.cfg"
    if false == log.Init(cfg) {
        fmt.Println("Load config file failed:", cfg)
        return
    }
    defer log.Flush()
    log.I("Server starting...")

}

cihub / seelog

How to log the original function name when using seelog wrap #149