public final String generateRandomCode() {
// Find compilation unit node.
final TreeNode<Integer> rootNode = treeFormat.getKeyForCompilationUnit();
final TSGNode topTreeNode = new TSGNode(rootNode.getData());
topTreeNode.isRoot = true;
final TreeNode<TSGNode> node = TreeNode.create(topTreeNode, rootNode.nProperties());
final TreeNode<TSGNode> randomTree = this.generateRandom(node);
final TreeNode<Integer> treeCopy =
TreeNode.create(randomTree.getData().nodeKey, randomTree.nProperties());
TSGNode.copyChildren(treeCopy, randomTree);
return treeFormat.getCodeFromTree(treeCopy);
}
