001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 * 017 */ 018package org.apache.bcel.generic; 019 020import org.apache.bcel.Const; 021import org.apache.bcel.ExceptionConst; 022 023/** 024 * PUTSTATIC - Put static field in class 025 * <PRE>Stack: ..., value -> ...</PRE> 026 * OR 027 * <PRE>Stack: ..., value.word1, value.word2 -> ...</PRE> 028 * 029 */ 030public class PUTSTATIC extends FieldInstruction implements ExceptionThrower, PopInstruction { 031 032 /** 033 * Empty constructor needed for Instruction.readInstruction. 034 * Not to be used otherwise. 035 */ 036 PUTSTATIC() { 037 } 038 039 040 public PUTSTATIC(final int index) { 041 super(Const.PUTSTATIC, index); 042 } 043 044 045 @Override 046 public int consumeStack( final ConstantPoolGen cpg ) { 047 return getFieldSize(cpg); 048 } 049 050 051 @Override 052 public Class<?>[] getExceptions() { 053 return ExceptionConst.createExceptions(ExceptionConst.EXCS.EXCS_FIELD_AND_METHOD_RESOLUTION, 054 ExceptionConst.INCOMPATIBLE_CLASS_CHANGE_ERROR); 055 } 056 057 058 /** 059 * Call corresponding visitor method(s). The order is: 060 * Call visitor methods of implemented interfaces first, then 061 * call methods according to the class hierarchy in descending order, 062 * i.e., the most specific visitXXX() call comes last. 063 * 064 * @param v Visitor object 065 */ 066 @Override 067 public void accept( final Visitor v ) { 068 v.visitExceptionThrower(this); 069 v.visitStackConsumer(this); 070 v.visitPopInstruction(this); 071 v.visitTypedInstruction(this); 072 v.visitLoadClass(this); 073 v.visitCPInstruction(this); 074 v.visitFieldOrMethod(this); 075 v.visitFieldInstruction(this); 076 v.visitPUTSTATIC(this); 077 } 078}