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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 (https://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 apache@apache.org.
- *
- * 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
- * <https://www.apache.org/>.
- */
- 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
- *
- * <PRE>
- * Stack: ..., count1, [count2, ...] -> ..., arrayref
- * </PRE>
- *
- * @version $Id: MULTIANEWARRAY.java,v 1.4 2009/10/05 17:35:36 aclement Exp $
- * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
- */
- 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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