@Override
public void execute(CliRunner rnr, List<String> args) throws Exception {
final Deque<CallNode> stack = rnr.getEngine().getStack();
if (stack.isEmpty()) {
rnr.printMsg("Stack is empty.");
} else {
stack.forEach(cn -> rnr.println("[>%s< call: %s]", cn.getId(), cn.getCalleeNodeId()));
}
}
private static String combineResult(Deque<Character> partialResult) {
StringBuilder buf = new StringBuilder(partialResult.size());
partialResult.forEach(buf::append);
return buf.toString();
}
