/**
* @param instanceFrame instance frame
* @return iterable over instance members of the frame, including those nested in namespaces
*/
public static Iterable<? extends INamedElement> instanceMembers(
final IInstanceFrame instanceFrame) {
final List<INamedElement> members = new ArrayList<>();
// Iterate over the member functions of the frame, including those nested in namespaces.
final Deque<INamedElement> queue = new LinkedList<>();
queue.addLast(instanceFrame);
while (!queue.isEmpty()) {
final INamedElement cur = queue.getFirst();
queue.removeFirst();
final INamedElementContainer contCur = (INamedElementContainer) cur;
for (final INamedElement member : contCur.members())
if (Ast.membership(member)
== (contCur == instanceFrame
? ScopeMembership.InstanceMember
: ScopeMembership.StaticMember)) {
members.add(member);
if (member instanceof INamedElementContainer) {
// Tail-recursively treat this nested namespace.
queue.addLast(member);
}
}
}
return members;
}
/**
* @param fn function
* @return eventual overrides of the function, unifying those differing only in generic derivation
*/
public static Iterable<? extends IFunction> eventualOverrides(final IFunction fn) {
// Iterate over the eventually overridden functions,
// unifying those differing only through generic derivation.
final Set<IFunction> processedEO = new LinkedHashSet<>();
final Deque<IFunction> queueEO = new LinkedList<>();
queueEO.addLast(fn);
while (!queueEO.isEmpty()) {
final IFunction fnEO = queueEO.getFirst();
queueEO.removeFirst();
if (!processedEO.contains(fnEO)) {
processedEO.add(fnEO);
// Tail-recurse on the function's direct overrides.
for (final ResolvedName directOverride : fnEO.directOverrides())
queueEO.addLast((IFunction) directOverride.namedElement());
}
}
return processedEO;
}
