@SuppressWarnings("unchecked") // tree.getChildren()
private void walk(CommonTree tree, StringBuilder buffer, int level) {
String indent = LOTSOBLANKS.substring(0, level);
Token token = tree.token;
int tokenType = token.getType();
String tokenText = token.getText();
int childCount = tree.getChildCount();
int childIndex = tree.getChildIndex();
buffer.append('\n');
buffer.append(indent);
buffer.append(tokenText);
buffer.append(" class: ");
buffer.append(tree.getClass().getName());
buffer.append(" tokenType ");
buffer.append(tokenType);
buffer.append(" child count ");
buffer.append(childCount);
buffer.append(" child index ");
buffer.append(childIndex);
List<CommonTree> children = tree.getChildren();
if (children == null) {
return;
}
for (CommonTree child : children) {
walk(child, buffer, level + 2);
}
}
public int getChildIndex() {
return node.getChildIndex();
}