1674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen/*** 2674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * ASM: a very small and fast Java bytecode manipulation framework 3674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Copyright (c) 2000-2007 INRIA, France Telecom 4674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * All rights reserved. 5674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 6674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Redistribution and use in source and binary forms, with or without 7674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * modification, are permitted provided that the following conditions 8674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * are met: 9674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 1. Redistributions of source code must retain the above copyright 10674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * notice, this list of conditions and the following disclaimer. 11674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 2. Redistributions in binary form must reproduce the above copyright 12674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * notice, this list of conditions and the following disclaimer in the 13674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * documentation and/or other materials provided with the distribution. 14674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 3. Neither the name of the copyright holders nor the names of its 15674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * contributors may be used to endorse or promote products derived from 16674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * this software without specific prior written permission. 17674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 18674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * THE POSSIBILITY OF SUCH DAMAGE. 29674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 30674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogenpackage org.mockito.asm.tree.analysis; 31674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 32674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogenimport org.mockito.asm.Type; 33674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 34674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen/** 35674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * A {@link Value} that is represented by its type in a seven types type system. 36674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * This type system distinguishes the UNINITIALZED, INT, FLOAT, LONG, DOUBLE, 37674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * REFERENCE and RETURNADDRESS types. 38674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 39674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @author Eric Bruneton 40674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 41674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogenpublic class BasicValue implements Value { 42674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 43674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public static final Value UNINITIALIZED_VALUE = new BasicValue(null); 44674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 45674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public static final Value INT_VALUE = new BasicValue(Type.INT_TYPE); 46674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 47674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public static final Value FLOAT_VALUE = new BasicValue(Type.FLOAT_TYPE); 48674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 49674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public static final Value LONG_VALUE = new BasicValue(Type.LONG_TYPE); 50674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 51674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public static final Value DOUBLE_VALUE = new BasicValue(Type.DOUBLE_TYPE); 52674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 53674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public static final Value REFERENCE_VALUE = new BasicValue(Type.getObjectType("java/lang/Object")); 54674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 55674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public static final Value RETURNADDRESS_VALUE = new BasicValue(null); 56674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 57674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen private final Type type; 58674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 59674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public BasicValue(final Type type) { 60674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen this.type = type; 61674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 62674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 63674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public Type getType() { 64674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return type; 65674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 66674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 67674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public int getSize() { 68674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return type == Type.LONG_TYPE || type == Type.DOUBLE_TYPE ? 2 : 1; 69674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 70674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 71674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public boolean isReference() { 72674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return type != null 73674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen && (type.getSort() == Type.OBJECT || type.getSort() == Type.ARRAY); 74674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 75674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 76674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public boolean equals(final Object value) { 77674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen if (value == this) { 78674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return true; 79674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } else if (value instanceof BasicValue) { 80674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen if (type == null) { 81674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return ((BasicValue) value).type == null; 82674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } else { 83674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return type.equals(((BasicValue) value).type); 84674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 85674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } else { 86674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return false; 87674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 88674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 89674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 90674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public int hashCode() { 91674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return type == null ? 0 : type.hashCode(); 92674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 93674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 94674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public String toString() { 95674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen if (this == UNINITIALIZED_VALUE) { 96674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return "."; 97674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } else if (this == RETURNADDRESS_VALUE) { 98674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return "A"; 99674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } else if (this == REFERENCE_VALUE) { 100674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return "R"; 101674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } else { 102674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return type.getDescriptor(); 103674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 104674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 105674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen}