private static Operation chooseFunctionForInvocation(
LinkedList<Operation> functions, FileScope scope) {
Operation candidate = null;
int candidatePriority = 0;
int curPriority;
for (Operation f : functions) {
curPriority = 0;
// Scoped private functions override global ones
if (f.getScope() == scope) {
curPriority = 2;
if (f.isOverride()) {
curPriority = 4;
}
} else if (f.getVisibility() != Visibility.PRIVATE) {
curPriority = 1;
if (f.isOverride()) {
curPriority = 3;
}
}
if (curPriority > candidatePriority) {
candidate = f;
candidatePriority = curPriority;
}
}
return candidate;
}
void addMethod(Operation f) {
// Enrichment methods may not declared override
if (f.isOverride())
throw Problem.ofType(ProblemId.NATIVE_ENRICHMENT_METHOD_DECLARED_OVERRIDE)
.at(f.getDefinition())
.raiseUnrecoverable();
String uid = f.getUid();
LinkedHashMap<Signature, LinkedList<Operation>> meths = methods.get(uid);
if (meths == null) {
meths = new LinkedHashMap<Signature, LinkedList<Operation>>();
methods.put(uid, meths);
}
addMethod(f, meths);
}
