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/*
* 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 $Id$
*/
public abstract class FieldInstruction extends FieldOrMethod {
/**
* Empty constructor needed for Instruction.readInstruction.
* Not to be used otherwise.
*/
FieldInstruction() {
}
/**
* @param index to constant pool
*/
protected FieldInstruction(final short opcode, final int index) {
super(opcode, index);
}
/**
* @return mnemonic for instruction with symbolic references resolved
*/
@Override
public String toString( final ConstantPool cp ) {
return org.apache.bcel.Const.getOpcodeName(super.getOpcode()) + " "
+ cp.constantToString(super.getIndex(), org.apache.bcel.Const.CONSTANT_Fieldref);
}
/** @return size of field (1 or 2)
*/
protected int getFieldSize( final ConstantPoolGen cpg ) {
return Type.size(Type.getTypeSize(getSignature(cpg)));
}
/** @return return type of referenced field
*/
@Override
public Type getType( final ConstantPoolGen cpg ) {
return getFieldType(cpg);
}
/** @return type of field
*/
public Type getFieldType( final ConstantPoolGen cpg ) {
return Type.getType(getSignature(cpg));
}
/** @return name of referenced field.
*/
public String getFieldName( final ConstantPoolGen cpg ) {
return getName(cpg);
}
}
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