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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
* 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 1.4 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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