@Override
public void defineOwnProperty(Context cx, Object key, ScriptableObject desc) {
if (key instanceof String) {
String name = (String) key;
int info = findInstanceIdInfo(name);
if (info != 0) {
int id = (info & 0xFFFF);
if (isAccessorDescriptor(desc)) {
delete(id); // it will be replaced with a slot
} else {
int attr = (info >>> 16);
Object value = getProperty(desc, "value");
setInstanceIdValue(id, value == NOT_FOUND ? Undefined.instance : value);
setAttributes(id, applyDescriptorToAttributeBitset(attr, desc));
return;
}
}
if (prototypeValues != null) {
int id = prototypeValues.findId(name);
if (id != 0) {
if (isAccessorDescriptor(desc)) {
prototypeValues.delete(id); // it will be replaced with a slot
} else {
int attr = prototypeValues.getAttributes(id);
Object value = getProperty(desc, "value");
prototypeValues.set(id, this, value == NOT_FOUND ? Undefined.instance : value);
prototypeValues.setAttributes(id, applyDescriptorToAttributeBitset(attr, desc));
return;
}
}
}
}
super.defineOwnProperty(cx, key, desc);
}
@Override
public void delete(String name) {
int info = findInstanceIdInfo(name);
if (info != 0) {
// Let the super class to throw exceptions for sealed objects
if (!isSealed()) {
int attr = (info >>> 16);
if ((attr & PERMANENT) == 0) {
int id = (info & 0xFFFF);
setInstanceIdValue(id, NOT_FOUND);
}
return;
}
}
if (prototypeValues != null) {
int id = prototypeValues.findId(name);
if (id != 0) {
if (!isSealed()) {
prototypeValues.delete(id);
}
return;
}
}
super.delete(name);
}