/** search descendant recursive to find the first specified ASTNode */
public IASTNode getDescendant(int id, String name) {
IASTNode ret = null;
for (int i = 0; i < children.size(); i++) {
ASTNode child = (ASTNode) children.get(i);
if (child.getId() == id && name.equalsIgnoreCase(child.getName())) {
ret = child;
break;
}
ret = child.getDescendant(id, name);
if (ret != null) {
break;
}
}
return ret;
}
