Function StackError

utils/error.go:58–85

StackError adds one more line of message to err. It updates err if it's already a StackedError, otherwise creates a new StackedError with the message from err and the stack trace of current goroutine.

(err error, message string, args ...interface{})

// It updates err if it's already a StackedError, otherwise creates a new StackedError
// with the message from err and the stack trace of current goroutine.
func StackError(err error, message string, args ...interface{}) *StackedError {
	if err == nil {
		stack := make([]byte, 0x10000)
		runtime.Stack(stack, false)
		e := &StackedError{
			[]string{fmt.Sprintf(message, args...)},
			strings.Split(string(stack), "\n"),
		}
		e.Stack = e.Stack[:len(e.Stack)-1]
		return e
	}

	e, ok := err.(*StackedError)
	if !ok {
		stack := make([]byte, 0x10000)
		runtime.Stack(stack, false)
		e = &StackedError{
			[]string{err.Error()},
			strings.Split(string(stack), "\n"),
		}
		e.Stack = e.Stack[:len(e.Stack)-1]
	}

	if message != "" {
		e.Messages = append(e.Messages, fmt.Sprintf(message, args...))
	}
	return e
}

// RecoverWrap recover all panics inside the passed in func
func RecoverWrap(call func() error) (err error) {