Source code

    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 *  Unless required by applicable law or agreed to in writing, software
    012 *  distributed under the License is distributed on an "AS IS" BASIS,
    013 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 *  See the License for the specific language governing permissions and
    015 *  limitations under the License.
    016 *
    017 */
    018package org.apache.bcel.generic;
    019
    020import org.apache.bcel.ExceptionConst;
    021
    022/**
    023 * NEW - Create new object
    024 * <PRE>Stack: ... -&gt; ..., objectref</PRE>
    025 *
    026 */
    027public class NEW extends CPInstruction implements LoadClass, AllocationInstruction,
    028        ExceptionThrower, StackProducer {
    029
    030    /**
    031     * Empty constructor needed for Instruction.readInstruction.
    032     * Not to be used otherwise.
    033     */
    034    NEW() {
    035    }
    036
    037
    038    public NEW(final int index) {
    039        super(org.apache.bcel.Const.NEW, index);
    040    }
    041
    042
    043    @Override
    044    public Class<?>[] getExceptions() {
    045        return ExceptionConst.createExceptions(ExceptionConst.EXCS.EXCS_CLASS_AND_INTERFACE_RESOLUTION,
    046            ExceptionConst.ILLEGAL_ACCESS_ERROR,
    047            ExceptionConst.INSTANTIATION_ERROR);
    048    }
    049
    050
    051    @Override
    052    public ObjectType getLoadClassType( final ConstantPoolGen cpg ) {
    053        return (ObjectType) getType(cpg);
    054    }
    055
    056
    057    /**
    058     * Call corresponding visitor method(s). The order is:
    059     * Call visitor methods of implemented interfaces first, then
    060     * call methods according to the class hierarchy in descending order,
    061     * i.e., the most specific visitXXX() call comes last.
    062     *
    063     * @param v Visitor object
    064     */
    065    @Override
    066    public void accept( final Visitor v ) {
    067        v.visitLoadClass(this);
    068        v.visitAllocationInstruction(this);
    069        v.visitExceptionThrower(this);
    070        v.visitStackProducer(this);
    071        v.visitTypedInstruction(this);
    072        v.visitCPInstruction(this);
    073        v.visitNEW(this);
    074    }
    075}