1 /* 2 * Copyright (c) 2017, 2020, Oracle and/or its affiliates. All rights reserved. 3 */ 4 /* 5 * Licensed to the Apache Software Foundation (ASF) under one or more 6 * contributor license agreements. See the NOTICE file distributed with 7 * this work for additional information regarding copyright ownership. 8 * The ASF licenses this file to You under the Apache License, Version 2.0 9 * (the "License"); you may not use this file except in compliance with 10 * the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 21 package com.sun.org.apache.bcel.internal.generic; 22 23 import com.sun.org.apache.bcel.internal.Const; 24 25 /** 26 * ALOAD - Load reference from local variable 27 * <PRE>Stack: ... -> ..., objectref</PRE> 28 * 29 * @LastModified: Jan 2020 30 */ 31 public class ALOAD extends LoadInstruction { 32 33 /** 34 * Empty constructor needed for Instruction.readInstruction. 35 * Not to be used otherwise. 36 */ ALOAD()37 ALOAD() { 38 super(Const.ALOAD, Const.ALOAD_0); 39 } 40 41 42 /** Load reference from local variable 43 * @param n index of local variable 44 */ ALOAD(final int n)45 public ALOAD(final int n) { 46 super(Const.ALOAD, Const.ALOAD_0, n); 47 } 48 49 50 /** 51 * Call corresponding visitor method(s). The order is: 52 * Call visitor methods of implemented interfaces first, then 53 * call methods according to the class hierarchy in descending order, 54 * i.e., the most specific visitXXX() call comes last. 55 * 56 * @param v Visitor object 57 */ 58 @Override accept( final Visitor v )59 public void accept( final Visitor v ) { 60 super.accept(v); 61 v.visitALOAD(this); 62 } 63 } 64