| /* |
| * 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/>. |
| */ |
| |
| import com.sun.org.apache.bcel.internal.classfile.ConstantPool; |
| import com.sun.org.apache.bcel.internal.classfile.ConstantUtf8; |
| import com.sun.org.apache.bcel.internal.classfile.ConstantNameAndType; |
| import com.sun.org.apache.bcel.internal.classfile.ConstantCP; |
| import com.sun.org.apache.bcel.internal.classfile.*; |
| |
| /** |
| * Super class for the GET/PUTxxx family of instructions. |
| * |
| * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> |
| */ |
| public abstract class FieldInstruction extends FieldOrMethod |
| implements TypedInstruction { |
| /** |
| * 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 |
| */ |
| public String toString(ConstantPool cp) { |
| return com.sun.org.apache.bcel.internal.Constants.OPCODE_NAMES[opcode] + " " + |
| cp.constantToString(index, com.sun.org.apache.bcel.internal.Constants.CONSTANT_Fieldref); |
| } |
| |
| /** @return size of field (1 or 2) |
| */ |
| protected int getFieldSize(ConstantPoolGen cpg) { |
| return getType(cpg).getSize(); |
| } |
| |
| /** @return return type of referenced field |
| */ |
| 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); |
| } |
| } |