1/* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5/* 6 * Licensed to the Apache Software Foundation (ASF) under one or more 7 * contributor license agreements. See the NOTICE file distributed with 8 * this work for additional information regarding copyright ownership. 9 * The ASF licenses this file to You under the Apache License, Version 2.0 10 * (the "License"); you may not use this file except in compliance with 11 * the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 */ 21 22package com.sun.org.apache.bcel.internal.generic; 23 24import com.sun.org.apache.bcel.internal.classfile.ConstantPool; 25 26/** 27 * Super class for the GET/PUTxxx family of instructions. 28 * 29 * @version $Id: FieldInstruction.java 1747278 2016-06-07 17:28:43Z britter $ 30 */ 31public abstract class FieldInstruction extends FieldOrMethod { 32 33 /** 34 * Empty constructor needed for the Class.newInstance() statement in 35 * Instruction.readInstruction(). Not to be used otherwise. 36 */ 37 FieldInstruction() { 38 } 39 40 41 /** 42 * @param index to constant pool 43 */ 44 protected FieldInstruction(final short opcode, final int index) { 45 super(opcode, index); 46 } 47 48 49 /** 50 * @return mnemonic for instruction with symbolic references resolved 51 */ 52 @Override 53 public String toString( final ConstantPool cp ) { 54 return com.sun.org.apache.bcel.internal.Const.getOpcodeName(super.getOpcode()) + " " 55 + cp.constantToString(super.getIndex(), com.sun.org.apache.bcel.internal.Const.CONSTANT_Fieldref); 56 } 57 58 59 /** @return size of field (1 or 2) 60 */ 61 protected int getFieldSize( final ConstantPoolGen cpg ) { 62 return Type.size(Type.getTypeSize(getSignature(cpg))); 63 } 64 65 66 /** @return return type of referenced field 67 */ 68 @Override 69 public Type getType( final ConstantPoolGen cpg ) { 70 return getFieldType(cpg); 71 } 72 73 74 /** @return type of field 75 */ 76 public Type getFieldType( final ConstantPoolGen cpg ) { 77 return Type.getType(getSignature(cpg)); 78 } 79 80 81 /** @return name of referenced field. 82 */ 83 public String getFieldName( final ConstantPoolGen cpg ) { 84 return getName(cpg); 85 } 86} 87