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package org.aspectj.apache.bcel.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
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 *
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * 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
 * .
 */
import java.io.DataOutputStream;
import java.io.IOException;

import org.aspectj.apache.bcel.Constants;
import org.aspectj.apache.bcel.ExceptionConstants;
import org.aspectj.apache.bcel.classfile.ConstantPool;

/**
 * MULTIANEWARRAY - Create new mutidimensional array of references
 * 
 * 
 * Stack: ..., count1, [count2, ...] -> ..., arrayref
 * 
* * @version $Id: MULTIANEWARRAY.java,v 1.4 2009/10/05 17:35:36 aclement Exp $ * @author M. Dahm */ public class MULTIANEWARRAY extends InstructionCP { private short dimensions; public MULTIANEWARRAY(int index, short dimensions) { super(Constants.MULTIANEWARRAY, index); this.dimensions = dimensions; } /** * 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(ConstantPool 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(ConstantPool 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); // } public boolean equals(Object other) { if (!(other instanceof MULTIANEWARRAY)) { return false; } MULTIANEWARRAY o = (MULTIANEWARRAY) other; return o.opcode == opcode && o.index == index && o.dimensions == dimensions; } public int hashCode() { return opcode * 37 + index * (dimensions + 17); } }




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