| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.bcel.generic; |
| |
| import org.apache.bcel.classfile.ConstantPool; |
| |
| /** |
| * Super class for the GET/PUTxxx family of instructions. |
| * |
| * @version $Id$ |
| * @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A> |
| */ |
| public abstract class FieldInstruction extends FieldOrMethod { |
| |
| private static final long serialVersionUID = -7870956226459765817L; |
| |
| |
| /** |
| * Empty constructor needed for the Class.newInstance() statement in |
| * Instruction.readInstruction(). Not to be used otherwise. |
| */ |
| FieldInstruction() { |
| } |
| |
| |
| /** |
| * @param index to constant pool |
| */ |
| protected FieldInstruction(short opcode, int index) { |
| super(opcode, index); |
| } |
| |
| |
| /** |
| * @return mnemonic for instruction with symbolic references resolved |
| */ |
| @Override |
| public String toString( ConstantPool cp ) { |
| return org.apache.bcel.Constants.OPCODE_NAMES[opcode] + " " |
| + cp.constantToString(index, org.apache.bcel.Constants.CONSTANT_Fieldref); |
| } |
| |
| |
| /** @return size of field (1 or 2) |
| */ |
| protected int getFieldSize( ConstantPoolGen cpg ) { |
| return Type.size(Type.getTypeSize(getSignature(cpg))); |
| } |
| |
| |
| /** @return return type of referenced field |
| */ |
| @Override |
| public Type getType( ConstantPoolGen cpg ) { |
| return getFieldType(cpg); |
| } |
| |
| |
| /** @return type of field |
| */ |
| public Type getFieldType( ConstantPoolGen cpg ) { |
| return Type.getType(getSignature(cpg)); |
| } |
| |
| |
| /** @return name of referenced field. |
| */ |
| public String getFieldName( ConstantPoolGen cpg ) { |
| return getName(cpg); |
| } |
| } |