Function newSource

hero/dependency_source.go:19–55

(fn reflect.Value)

}

func newSource(fn reflect.Value) Source {
	var (
		callerFileName   string
		callerLineNumber int
		callerName       string
	)

	switch fn.Kind() {
	case reflect.Func, reflect.Chan, reflect.Map, reflect.Ptr, reflect.UnsafePointer, reflect.Slice:
		pc := fn.Pointer()
		fpc := runtime.FuncForPC(pc)
		if fpc != nil {
			callerFileName, callerLineNumber = fpc.FileLine(pc)
			callerName = fpc.Name()
		}

		fallthrough
	default:
		if callerFileName == "" {
			callerFileName, callerLineNumber = GetCaller()
		}
	}

	wd, _ := os.Getwd()
	if relFile, err := filepath.Rel(wd, callerFileName); err == nil {
		if !strings.HasPrefix(relFile, "..") {
			// Only if it's relative to this path, not parent.
			callerFileName = "./" + relFile
		}
	}

	return Source{
		File:   filepath.ToSlash(callerFileName),
		Line:   callerLineNumber,
		Caller: callerName,
	}
}

func getSource() Source {
	filename, line := GetCaller()