*/
protected List<String> getMacroList(LogicalRelationalOperator node) {
List<String> macro = Lists.newArrayList();
SourceLocation loc = node.getLocation();
if (loc.node() != null) {
InvocationPoint p = loc.node().getNextInvocationPoint();
while (p != null) {
if (p.getMacro() != null) {
macro.add(p.getMacro());
}
p = loc.node().getNextInvocationPoint();