private void makeArguments(GoloFunction function, Set<String> refs) {
Set<String> existing = new HashSet<>(function.getParameterNames());
for (String ref : refs) {
if (!existing.contains(ref) && !ref.equals(function.getSyntheticSelfName())) {
function.addSyntheticParameter(ref);
}
}
}
@Override
public void visitFunction(GoloFunction function) {
if (function.isSynthetic()) {
newContext();
declaredParameters(function.getParameterNames());
function.getBlock().internReferenceTable();
function.getBlock().accept(this);
makeArguments(function, context().shouldBeArguments());
dropUnused(context().shouldBeRemoved());
dropContext();
} else {
function.getBlock().accept(this);
}
}