Function MarshalStack

pkgerrors/stacktrace.go:46–82

MarshalStack implements pkg/errors stack trace marshaling. zerolog.ErrorStackMarshaler = MarshalStack

(err error)

//
// zerolog.ErrorStackMarshaler = MarshalStack
func MarshalStack(err error) interface{} {
	type stackTracer interface {
		StackTrace() errors.StackTrace
	}
	var sterr stackTracer
	var ok bool
	for err != nil {
		sterr, ok = err.(stackTracer)
		if ok {
			break
		}

		u, ok := err.(interface {
			Unwrap() error
		})
		if !ok {
			return nil
		}

		err = u.Unwrap()
	}
	if sterr == nil {
		return nil
	}

	st := sterr.StackTrace()
	s := &state{}
	out := make([]map[string]string, 0, len(st))
	for _, frame := range st {
		out = append(out, map[string]string{
			StackSourceFileName:     frameField(frame, s, 's'),
			StackSourceLineName:     frameField(frame, s, 'd'),
			StackSourceFunctionName: frameField(frame, s, 'n'),
		})
	}
	return out
}