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 22 package com.sun.org.apache.bcel.internal.generic; 23 24 import com.sun.org.apache.bcel.internal.classfile.ConstantPool; 25 26 /** 27 * Super class for the GET/PUTxxx family of instructions. 28 * 29 */ 30 public abstract class FieldInstruction extends FieldOrMethod { 31 32 /** 33 * Empty constructor needed for Instruction.readInstruction. 34 * Not to be used otherwise. 35 */ 36 FieldInstruction() { 37 } 38 39 40 /** 41 * @param index to constant pool 42 */ 43 protected FieldInstruction(final short opcode, final int index) { 44 super(opcode, index); 45 } 46 47 48 /** 49 * @return mnemonic for instruction with symbolic references resolved 50 */ 51 @Override 52 public String toString( final ConstantPool cp ) { 53 return com.sun.org.apache.bcel.internal.Const.getOpcodeName(super.getOpcode()) + " " 54 + cp.constantToString(super.getIndex(), com.sun.org.apache.bcel.internal.Const.CONSTANT_Fieldref); 55 } 56 57 58 /** @return size of field (1 or 2) 59 */ 60 protected int getFieldSize( final ConstantPoolGen cpg ) { 61 return Type.size(Type.getTypeSize(getSignature(cpg))); 62 } 63 64 65 /** @return return type of referenced field 66 */ 67 @Override 68 public Type getType( final ConstantPoolGen cpg ) { 69 return getFieldType(cpg); 70 } 71 72 73 /** @return type of field 74 */ 75 public Type getFieldType( final ConstantPoolGen cpg ) { 76 return Type.getType(getSignature(cpg)); 77 } 78 79 80 /** @return name of referenced field. 81 */ 82 public String getFieldName( final ConstantPoolGen cpg ) { 83 return getName(cpg); 84 } 85 }