286N/A/*
286N/A * reserved comment block
286N/A * DO NOT REMOVE OR ALTER!
286N/A */
286N/Apackage com.sun.org.apache.bcel.internal.generic;
286N/A
286N/A/* ====================================================================
286N/A * The Apache Software License, Version 1.1
286N/A *
286N/A * Copyright (c) 2001 The Apache Software Foundation. All rights
286N/A * reserved.
286N/A *
286N/A * Redistribution and use in source and binary forms, with or without
286N/A * modification, are permitted provided that the following conditions
286N/A * are met:
286N/A *
286N/A * 1. Redistributions of source code must retain the above copyright
286N/A * notice, this list of conditions and the following disclaimer.
286N/A *
286N/A * 2. Redistributions in binary form must reproduce the above copyright
286N/A * notice, this list of conditions and the following disclaimer in
286N/A * the documentation and/or other materials provided with the
286N/A * distribution.
286N/A *
286N/A * 3. The end-user documentation included with the redistribution,
286N/A * if any, must include the following acknowledgment:
286N/A * "This product includes software developed by the
286N/A * Apache Software Foundation (http://www.apache.org/)."
286N/A * Alternately, this acknowledgment may appear in the software itself,
286N/A * if and wherever such third-party acknowledgments normally appear.
286N/A *
286N/A * 4. The names "Apache" and "Apache Software Foundation" and
286N/A * "Apache BCEL" must not be used to endorse or promote products
286N/A * derived from this software without prior written permission. For
286N/A * written permission, please contact apache@apache.org.
286N/A *
286N/A * 5. Products derived from this software may not be called "Apache",
286N/A * "Apache BCEL", nor may "Apache" appear in their name, without
286N/A * prior written permission of the Apache Software Foundation.
286N/A *
286N/A * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
286N/A * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
286N/A * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
286N/A * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
286N/A * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
286N/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
286N/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
286N/A * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
286N/A * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
286N/A * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
286N/A * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
286N/A * SUCH DAMAGE.
286N/A * ====================================================================
286N/A *
286N/A * This software consists of voluntary contributions made by many
286N/A * individuals on behalf of the Apache Software Foundation. For more
286N/A * information on the Apache Software Foundation, please see
286N/A * <http://www.apache.org/>.
286N/A */
286N/Aimport com.sun.org.apache.bcel.internal.Constants;
286N/A
286N/A/**
286N/A * Denotes array type, such as int[][]
286N/A *
286N/A * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
286N/A */
286N/Apublic final class ArrayType extends ReferenceType {
286N/A private int dimensions;
286N/A private Type basic_type;
286N/A
286N/A /**
286N/A * Convenience constructor for array type, e.g. int[]
286N/A *
286N/A * @param type array type, e.g. T_INT
286N/A */
286N/A public ArrayType(byte type, int dimensions) {
286N/A this(BasicType.getType(type), dimensions);
286N/A }
286N/A
286N/A /**
286N/A * Convenience constructor for reference array type, e.g. Object[]
286N/A *
286N/A * @param class_name complete name of class (java.lang.String, e.g.)
286N/A */
286N/A public ArrayType(String class_name, int dimensions) {
286N/A this(new ObjectType(class_name), dimensions);
286N/A }
286N/A
286N/A /**
286N/A * Constructor for array of given type
286N/A *
286N/A * @param type type of array (may be an array itself)
286N/A */
286N/A public ArrayType(Type type, int dimensions) {
286N/A super(Constants.T_ARRAY, "<dummy>");
286N/A
286N/A if((dimensions < 1) || (dimensions > Constants.MAX_BYTE))
286N/A throw new ClassGenException("Invalid number of dimensions: " + dimensions);
286N/A
286N/A switch(type.getType()) {
286N/A case Constants.T_ARRAY:
286N/A ArrayType array = (ArrayType)type;
286N/A this.dimensions = dimensions + array.dimensions;
286N/A basic_type = array.basic_type;
286N/A break;
286N/A
286N/A case Constants.T_VOID:
286N/A throw new ClassGenException("Invalid type: void[]");
286N/A
286N/A default: // Basic type or reference
286N/A this.dimensions = dimensions;
286N/A basic_type = type;
286N/A break;
286N/A }
286N/A
286N/A StringBuffer buf = new StringBuffer();
286N/A for(int i=0; i < this.dimensions; i++)
286N/A buf.append('[');
286N/A
286N/A buf.append(basic_type.getSignature());
286N/A
286N/A signature = buf.toString();
286N/A }
286N/A
286N/A /**
286N/A * @return basic type of array, i.e., for int[][][] the basic type is int
286N/A */
286N/A public Type getBasicType() {
286N/A return basic_type;
286N/A }
286N/A
286N/A /**
286N/A * @return element type of array, i.e., for int[][][] the element type is int[][]
286N/A */
286N/A public Type getElementType() {
286N/A if(dimensions == 1)
286N/A return basic_type;
286N/A else
286N/A return new ArrayType(basic_type, dimensions - 1);
286N/A }
286N/A
286N/A /** @return number of dimensions of array
286N/A */
286N/A public int getDimensions() { return dimensions; }
286N/A
286N/A /** @return a hash code value for the object.
286N/A */
286N/A public int hashCode() { return basic_type.hashCode() ^ dimensions; }
286N/A
286N/A /** @return true if both type objects refer to the same array type.
286N/A */
286N/A public boolean equals(Object type) {
286N/A if(type instanceof ArrayType) {
286N/A ArrayType array = (ArrayType)type;
286N/A return (array.dimensions == dimensions) && array.basic_type.equals(basic_type);
286N/A } else
286N/A return false;
286N/A }
286N/A}