87 lines
3.0 KiB
Plaintext
87 lines
3.0 KiB
Plaintext
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package org.apache.commons.bcel6.generic;
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import org.apache.commons.bcel6.ExceptionConst;
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/**
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* Super class for instructions dealing with array access such as IALOAD.
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*
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* @version $Id$
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*/
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public abstract class ArrayInstruction extends Instruction implements ExceptionThrower,
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TypedInstruction {
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/**
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* Empty constructor needed for the Class.newInstance() statement in
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* Instruction.readInstruction(). Not to be used otherwise.
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*/
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ArrayInstruction() {
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}
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/**
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* @param opcode of instruction
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*/
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protected ArrayInstruction(short opcode) {
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super(opcode, (short) 1);
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}
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@Override
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public Class<?>[] getExceptions() {
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return ExceptionConst.createExceptions(ExceptionConst.EXCS.EXCS_ARRAY_EXCEPTION);
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}
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/** @return type associated with the instruction
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*/
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@Override
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public Type getType( ConstantPoolGen cp ) {
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final short _opcode = super.getOpcode();
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switch (_opcode) {
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case org.apache.commons.bcel6.Const.IALOAD:
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case org.apache.commons.bcel6.Const.IASTORE:
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return Type.INT;
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case org.apache.commons.bcel6.Const.CALOAD:
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case org.apache.commons.bcel6.Const.CASTORE:
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return Type.CHAR;
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case org.apache.commons.bcel6.Const.BALOAD:
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case org.apache.commons.bcel6.Const.BASTORE:
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return Type.BYTE;
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case org.apache.commons.bcel6.Const.SALOAD:
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case org.apache.commons.bcel6.Const.SASTORE:
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return Type.SHORT;
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case org.apache.commons.bcel6.Const.LALOAD:
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case org.apache.commons.bcel6.Const.LASTORE:
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return Type.LONG;
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case org.apache.commons.bcel6.Const.DALOAD:
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case org.apache.commons.bcel6.Const.DASTORE:
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return Type.DOUBLE;
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case org.apache.commons.bcel6.Const.FALOAD:
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case org.apache.commons.bcel6.Const.FASTORE:
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return Type.FLOAT;
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case org.apache.commons.bcel6.Const.AALOAD:
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case org.apache.commons.bcel6.Const.AASTORE:
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return Type.OBJECT;
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default:
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throw new ClassGenException("Oops: unknown case in switch" + _opcode);
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}
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}
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}
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