1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 package com.sun.org.apache.bcel.internal.generic; 6 7 /* ==================================================================== 8 * The Apache Software License, Version 1.1 9 * 10 * Copyright (c) 2001 The Apache Software Foundation. All rights 11 * reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in 22 * the documentation and/or other materials provided with the 23 * distribution. 24 * 25 * 3. The end-user documentation included with the redistribution, 26 * if any, must include the following acknowledgment: 27 * "This product includes software developed by the 28 * Apache Software Foundation (http://www.apache.org/)." 29 * Alternately, this acknowledgment may appear in the software itself, 30 * if and wherever such third-party acknowledgments normally appear. 31 * 32 * 4. The names "Apache" and "Apache Software Foundation" and 33 * "Apache BCEL" must not be used to endorse or promote products 34 * derived from this software without prior written permission. For 35 * written permission, please contact apache@apache.org. 36 * 37 * 5. Products derived from this software may not be called "Apache", 38 * "Apache BCEL", nor may "Apache" appear in their name, without 39 * prior written permission of the Apache Software Foundation. 40 * 41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 52 * SUCH DAMAGE. 53 * ==================================================================== 54 * 55 * This software consists of voluntary contributions made by many 56 * individuals on behalf of the Apache Software Foundation. For more 57 * information on the Apache Software Foundation, please see 58 * <http://www.apache.org/>. 59 */ 60 import com.sun.org.apache.bcel.internal.Constants; 61 62 /** 63 * Denotes basic type such as int. 64 * 65 * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> 66 */ 67 public final class BasicType extends Type { 68 /** 69 * Constructor for basic types such as int, long, `void' 70 * 71 * @param type one of T_INT, T_BOOLEAN, ..., T_VOID 72 * @see com.sun.org.apache.bcel.internal.Constants 73 */ 74 BasicType(byte type) { 75 super(type, Constants.SHORT_TYPE_NAMES[type]); 76 77 if((type < Constants.T_BOOLEAN) || (type > Constants.T_VOID)) 78 throw new ClassGenException("Invalid type: " + type); 79 } 80 81 public static final BasicType getType(byte type) { 82 switch(type) { 83 case Constants.T_VOID: return VOID; 84 case Constants.T_BOOLEAN: return BOOLEAN; 85 case Constants.T_BYTE: return BYTE; 86 case Constants.T_SHORT: return SHORT; 87 case Constants.T_CHAR: return CHAR; 88 case Constants.T_INT: return INT; 89 case Constants.T_LONG: return LONG; 90 case Constants.T_DOUBLE: return DOUBLE; 91 case Constants.T_FLOAT: return FLOAT; 92 93 default: 94 throw new ClassGenException("Invalid type: " + type); 95 } 96 } 97 98 /** @return true if both type objects refer to the same type 99 */ 100 @Override 101 public boolean equals(Object type) { 102 return (type instanceof BasicType)? 103 ((BasicType)type).type == this.type : false; 104 } 105 106 @Override 107 public int hashCode() { 108 return type; 109 } 110 }