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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
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 [email protected].
*
* 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
* Stack: ..., count1, [count2, ...] -> ..., arrayref
*
* @version $Id: MULTIANEWARRAY.java,v 1.3 2007-07-19 04:34:47 ofung Exp $
* @author M. Dahm
*/
public class MULTIANEWARRAY extends CPInstruction implements LoadClass, AllocationInstruction, ExceptionThrower {
private short dimensions;
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
MULTIANEWARRAY() {}
public MULTIANEWARRAY(int index, short dimensions) {
super(com.sun.org.apache.bcel.internal.Constants.MULTIANEWARRAY, index);
if(dimensions < 1)
throw new ClassGenException("Invalid dimensions value: " + dimensions);
this.dimensions = dimensions;
length = 4;
}
/**
* Dump instruction as byte code to stream out.
* @param out Output stream
*/
public void dump(DataOutputStream out) throws IOException {
out.writeByte(opcode);
out.writeShort(index);
out.writeByte(dimensions);
}
/**
* Read needed data (i.e., no. dimension) from file.
*/
protected void initFromFile(ByteSequence bytes, boolean wide)
throws IOException
{
super.initFromFile(bytes, wide);
dimensions = bytes.readByte();
length = 4;
}
/**
* @return number of dimensions to be created
*/
public final short getDimensions() { return dimensions; }
/**
* @return mnemonic for instruction
*/
public String toString(boolean verbose) {
return super.toString(verbose) + " " + index + " " + dimensions;
}
/**
* @return mnemonic for instruction with symbolic references resolved
*/
public String toString(ConstantPool cp) {
return super.toString(cp) + " " + dimensions;
}
/**
* Also works for instructions whose stack effect depends on the
* constant pool entry they reference.
* @return Number of words consumed from stack by this instruction
*/
public int consumeStack(ConstantPoolGen cpg) { return dimensions; }
public Class[] getExceptions() {
Class[] cs = new Class[2 + ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length];
System.arraycopy(ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION, 0,
cs, 0, ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length);
cs[ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length+1] = ExceptionConstants.NEGATIVE_ARRAY_SIZE_EXCEPTION;
cs[ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length] = ExceptionConstants.ILLEGAL_ACCESS_ERROR;
return cs;
}
public ObjectType getLoadClassType(ConstantPoolGen cpg) {
Type t = getType(cpg);
if (t instanceof ArrayType){
t = ((ArrayType) t).getBasicType();
}
return (t instanceof ObjectType)? (ObjectType) t : null;
}
/**
* Call corresponding visitor method(s). The order is:
* Call visitor methods of implemented interfaces first, then
* call methods according to the class hierarchy in descending order,
* i.e., the most specific visitXXX() call comes last.
*
* @param v Visitor object
*/
public void accept(Visitor v) {
v.visitLoadClass(this);
v.visitAllocationInstruction(this);
v.visitExceptionThrower(this);
v.visitTypedInstruction(this);
v.visitCPInstruction(this);
v.visitMULTIANEWARRAY(this);
}
}