- 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 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
- * <http://www.apache.org/>.
- */
- import org.aspectj.apache.bcel.Constants;
-
- /**
- * Denotes array type, such as int[][]
- *
- * @version $Id: ArrayType.java,v 1.4 2008/08/26 15:02:04 aclement Exp $
- * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
- */
- public final class ArrayType extends ReferenceType {
- private int dimensions;
- private Type basic_type;
-
- /**
- * Convenience constructor for array type, e.g. int[]
- *
- * @param type array type, e.g. T_INT
- */
- public ArrayType(byte type, int dimensions) {
- this(BasicType.getType(type), dimensions);
- }
-
- /**
- * Convenience constructor for reference array type, e.g. Object[]
- *
- * @param class_name complete name of class (java.lang.String, e.g.)
- */
- public ArrayType(String class_name, int dimensions) {
- this(new ObjectType(class_name), dimensions);
- }
-
- /**
- * Constructor for array of given type
- *
- * @param type type of array (may be an array itself)
- */
- public ArrayType(Type type, int dimensions) {
- super(Constants.T_ARRAY, "<dummy>");
-
- if((dimensions < 1) || (dimensions > Constants.MAX_BYTE))
- throw new ClassGenException("Invalid number of dimensions: " + dimensions);
-
- switch(type.getType()) {
- case Constants.T_ARRAY:
- ArrayType array = (ArrayType)type;
- this.dimensions = dimensions + array.dimensions;
- basic_type = array.basic_type;
- break;
-
- case Constants.T_VOID:
- throw new ClassGenException("Invalid type: void[]");
-
- default: // Basic type or reference
- this.dimensions = dimensions;
- basic_type = type;
- break;
- }
-
- StringBuilder buf = new StringBuilder();
- for(int i=0; i < this.dimensions; i++)
- buf.append('[');
-
- buf.append(basic_type.getSignature());
-
- signature = buf.toString();
- }
-
- /**
- * @return basic type of array, i.e., for int[][][] the basic type is int
- */
- public Type getBasicType() {
- return basic_type;
- }
-
- /**
- * @return element type of array, i.e., for int[][][] the element type is int[][]
- */
- public Type getElementType() {
- if(dimensions == 1)
- return basic_type;
- else
- return new ArrayType(basic_type, dimensions - 1);
- }
-
- /** @return number of dimensions of array
- */
- public int getDimensions() { return dimensions; }
-
- /** @return a hash code value for the object.
- */
- public int hashCode() { return basic_type.hashCode() ^ dimensions; }
-
- /** @return true if both type objects refer to the same array type.
- */
- public boolean equals(Object type) {
- if(type instanceof ArrayType) {
- ArrayType array = (ArrayType)type;
- return (array.dimensions == dimensions) && array.basic_type.equals(basic_type);
- } else
- return false;
- }
- }
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