/* * reserved comment block * DO NOT REMOVE OR ALTER! */ package com.sun.org.apache.bcel.internal.generic; /* ==================================================================== * The Apache Software License, Version 1.1 * * Copyright (c) 2001 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Apache" and "Apache Software Foundation" and * "Apache BCEL" must not be used to endorse or promote products * derived from this software without prior written permission. For * written permission, please contact apache@apache.org. * * 5. Products derived from this software may not be called "Apache", * "Apache BCEL", nor may "Apache" appear in their name, without * prior written permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ /** * Denotes an unparameterized instruction to load a value from a local * variable, e.g. ILOAD. * * @version $Id: LoadInstruction.java,v 1.1.2.1 2005/07/31 23:44:36 jeffsuttor Exp $ * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> */ public abstract class LoadInstruction extends LocalVariableInstruction implements PushInstruction { /** * Empty constructor needed for the Class.newInstance() statement in * Instruction.readInstruction(). Not to be used otherwise. * tag and length are defined in readInstruction and initFromFile, respectively. */ LoadInstruction(short canon_tag, short c_tag) { super(canon_tag, c_tag); } /** * @param opcode Instruction opcode * @param c_tag Instruction number for compact version, ALOAD_0, e.g. * @param n local variable index (unsigned short) */ protected LoadInstruction(short opcode, short c_tag, int n) { super(opcode, c_tag, n); } /** * Call corresponding visitor method(s). The order is: * Call visitor methods of implemented interfaces first, then * call methods according to the class hierarchy in descending order, * i.e., the most specific visitXXX() call comes last. * * @param v Visitor object */ public void accept(Visitor v) { v.visitStackProducer(this); v.visitPushInstruction(this); v.visitTypedInstruction(this); v.visitLocalVariableInstruction(this); v.visitLoadInstruction(this); } }