| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * 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 com.sun.org.apache.bcel.internal.util; |
| |
| import java.util.Stack; |
| import com.sun.org.apache.bcel.internal.classfile.JavaClass; |
| |
| /** |
| * Utility class implementing a (typesafe) stack of JavaClass objects. |
| * |
| * @version $Id: ClassStack.java 1747278 2016-06-07 17:28:43Z britter $ |
| * @see Stack |
| */ |
| public class ClassStack { |
| |
| private final Stack<JavaClass> stack = new Stack<>(); |
| |
| |
| public void push( final JavaClass clazz ) { |
| stack.push(clazz); |
| } |
| |
| |
| public JavaClass pop() { |
| return stack.pop(); |
| } |
| |
| |
| public JavaClass top() { |
| return stack.peek(); |
| } |
| |
| |
| public boolean empty() { |
| return stack.empty(); |
| } |
| } |