package frontend.ast;

import java.util.ArrayList;

public class NodeStack {
    private ArrayList<Node> stack;

    public NodeStack() {
        stack = new ArrayList<Node>();
    }

    public void push(Node node) {
        stack.add(node);
    }

    public Node pop() {
        return stack.remove(stack.size() - 1);
    }

    public int size() {
        return stack.size();
    }
}