content: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.weex.el.parse;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * stack for parse and execute code
   * Created by jianbai.gbj on 2017/9/1.
   */
  public class ArrayStack<T> {
  
      private ArrayList<T> stack;
  
      public ArrayStack() {
          this.stack = new ArrayList<T>(4);
      }
  
      public int size() {
          return stack.size();
      }
  
      public T pop() {
          return stack.remove(stack.size()-1);
      }
  
      public void push(T token) {
          stack.add(token);
      }
  
  
      public T peek() {
          return stack.get(stack.size()-1);
      }
  
      public T get(int i) {
          return stack.get(i);
      }
  
      public T remove(int i) {
          return stack.remove(i);
      }
  
      public void add(int i, T t) {
          stack.add(i, t);
      }
  
      public boolean isEmpty() {
          return   stack.isEmpty();
      }
  
      public List<T> getList(){
          return stack;
      }
  }
  