public void walk(ParseTreeListener listener, ParseTree t) {
if (t instanceof ErrorNode) {
listener.visitErrorNode((ErrorNode) t);
return;
} else if (t instanceof TerminalNode) {
listener.visitTerminal((TerminalNode) t);
return;
}
GlobalInfo info = GlobalInfo.getInstance();
info.setNotVisitNodes(new ArrayList<Integer>());
RuleNode r = (RuleNode) t;
enterRule(listener, r);
int n = r.getChildCount();
for (int i = 0; i < n; i++) {
Boolean found = false;
for (int j = 0; j < info.getNotVisitNodes().size(); ++j) {
if (info.getNotVisitNodes().get(j).equals(i)) {
found = true;
break;
}
}
if (!found) {
List<Integer> aux = info.getNotVisitNodes();
info.setNotVisitNodes(new ArrayList<Integer>());
walk(listener, r.getChild(i));
info.setNotVisitNodes(aux);
}
}
exitRule(listener, r);
info.setNotVisitNodes(new ArrayList<Integer>());
}
