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/*
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* reserved comment block
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* DO NOT REMOVE OR ALTER!
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*/
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package com.sun.org.apache.bcel.internal.generic;
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2001 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache BCEL" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache BCEL", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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import java.io.*;
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import com.sun.org.apache.bcel.internal.util.ByteSequence;
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/**
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* NEWARRAY - Create new array of basic type (int, short, ...)
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* <PRE>Stack: ..., count -> ..., arrayref</PRE>
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* type must be one of T_INT, T_SHORT, ...
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*
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* @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
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*/
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public class NEWARRAY extends Instruction
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implements AllocationInstruction, ExceptionThrower, StackProducer {
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private byte type;
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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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NEWARRAY() {}
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public NEWARRAY(byte type) {
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super(com.sun.org.apache.bcel.internal.Constants.NEWARRAY, (short)2);
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this.type = type;
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}
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public NEWARRAY(BasicType type) {
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this(type.getType());
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}
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/**
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* Dump instruction as byte code to stream out.
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* @param out Output stream
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*/
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public void dump(DataOutputStream out) throws IOException {
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out.writeByte(opcode);
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out.writeByte(type);
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}
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/**
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* @return numeric code for basic element type
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*/
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public final byte getTypecode() { return type; }
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/**
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* @return type of constructed array
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*/
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public final Type getType() {
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return new ArrayType(BasicType.getType(type), 1);
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}
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/**
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* @return mnemonic for instruction
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*/
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public String toString(boolean verbose) {
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return super.toString(verbose) + " " + com.sun.org.apache.bcel.internal.Constants.TYPE_NAMES[type];
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}
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/**
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* Read needed data (e.g. index) from file.
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*/
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protected void initFromFile(ByteSequence bytes, boolean wide) throws IOException
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{
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type = bytes.readByte();
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length = 2;
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}
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public Class[] getExceptions() {
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return new Class[] { com.sun.org.apache.bcel.internal.ExceptionConstants.NEGATIVE_ARRAY_SIZE_EXCEPTION };
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}
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/**
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* Call corresponding visitor method(s). The order is:
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* Call visitor methods of implemented interfaces first, then
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* call methods according to the class hierarchy in descending order,
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* i.e., the most specific visitXXX() call comes last.
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*
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* @param v Visitor object
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*/
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public void accept(Visitor v) {
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v.visitAllocationInstruction(this);
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v.visitExceptionThrower(this);
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v.visitStackProducer(this);
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v.visitNEWARRAY(this);
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}
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}
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