Function hookGoValueWriteField

bridge.go:409–433

export hookGoValueWriteField

(enginep, foldp unsafe.Pointer, reflectIndex, setIndex C.int, assigndv *C.DataValue)

//export hookGoValueWriteField
func hookGoValueWriteField(enginep, foldp unsafe.Pointer, reflectIndex, setIndex C.int, assigndv *C.DataValue) {
	fold := ensureEngine(enginep, foldp)
	v := reflect.ValueOf(fold.gvalue)
	ve := v
	for ve.Type().Kind() == reflect.Ptr {
		ve = ve.Elem()
	}
	var field, setMethod reflect.Value
	if reflectIndex >= 0 {
		// It's a real field rather than a getter.
		field = ve.Field(int(reflectIndex))
	}
	if setIndex >= 0 {
		// It has a setter.
		setMethod = v.Method(int(setIndex))
	}

	assign := unpackDataValue(assigndv, fold.engine)

	// TODO Return false to the call site if it fails. That's how Qt seems to handle it internally.
	err := convertAndSet(field, reflect.ValueOf(assign), setMethod)
	if err != nil {
		panic(err.Error())
	}
}

func convertAndSet(to, from reflect.Value, setMethod reflect.Value) (err error) {
	var toType reflect.Type