Function indirect

opensca/sca/java/xml/marshal.go:816–824

indirect drills into interfaces and pointers, returning the pointed-at value. If it encounters a nil interface or pointer, indirect returns that nil value. This can turn into an infinite loop given a cyclic chain, but it matches the Go 1 behavior.

(vf reflect.Value)

// This can turn into an infinite loop given a cyclic chain,
// but it matches the Go 1 behavior.
func indirect(vf reflect.Value) reflect.Value {
	for vf.Kind() == reflect.Interface || vf.Kind() == reflect.Pointer {
		if vf.IsNil() {
			return vf
		}
		vf = vf.Elem()
	}
	return vf
}

func (p *printer) marshalStruct(tinfo *typeInfo, val reflect.Value) error {
	s := parentStack{p: p}