public String toString() {
final StringBuffer buff = new StringBuffer();
AstNode node;
- int i;
- for (i = 0; i < nodes.length; i++) {
- node = nodes[i];
- if (node == null) {
- break;
+ if (nodes != null) {
+ int i;
+ for (i = 0; i < nodes.length; i++) {
+ node = nodes[i];
+ if (node == null) {
+ break;
+ }
+ buff.append(node.toString(0));
}
- buff.append(node.toString(0));
}
return buff.toString();
}