public EnumSet<DispatchType> getDispatchType(JReferenceType type) {
if (!typeOracle.isInstantiatedType(type)) {
return EnumSet.noneOf(DispatchType.class);
}
// Object methods can be dispatched to all four possible classes.
if (type == getTypeJavaLangObject()) {
return EnumSet.allOf(DispatchType.class);
}
EnumSet<DispatchType> dispatchSet = EnumSet.noneOf(DispatchType.class);
DispatchType dispatchType = getRepresentedAsNativeTypesDispatchMap().get(type);
if (dispatchType != null) {
dispatchSet = EnumSet.of(dispatchType);
} else if (typeOracle.isDualJsoInterface(type)) {
// If it is an interface implemented both by JSOs and regular Java Objects;
dispatchSet = EnumSet.of(DispatchType.HAS_JAVA_VIRTUAL_DISPATCH, DispatchType.JSO);
} else if (typeOracle.isSingleJsoImpl(type) || type.isJsoType()) {
// If it is either an interface implemented by JSOs or JavaScriptObject or one of its
// subclasses.
dispatchSet = EnumSet.of(DispatchType.JSO);
}
for (JDeclaredType potentialNativeDispatchType : getRepresentedAsNativeTypes()) {
if (potentialNativeDispatchType == type) {
continue;
}
if (typeOracle.isInstantiatedType(potentialNativeDispatchType)
&& typeOracle.isSuperClassOrInterface(potentialNativeDispatchType, type)) {
dispatchSet.add(getRepresentedAsNativeTypesDispatchMap().get(potentialNativeDispatchType));
dispatchSet.add(DispatchType.HAS_JAVA_VIRTUAL_DISPATCH);
}
}
return dispatchSet;
}
