author | mkos |
Sun, 30 Dec 2012 00:00:00 +0100 | |
changeset 22678 | ac1ea46be942 |
parent 12009 | 4abb694f273a |
permissions | -rw-r--r-- |
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/* |
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ac1ea46be942
8029237: Update copyright year to match last edit in jaxws repository for 2012
mkos
parents:
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changeset
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* Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* This file is available under and governed by the GNU General Public |
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* License version 2 only, as published by the Free Software Foundation. |
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* However, the following notice accompanied the original version of this |
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* file: |
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* |
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* ASM: a very small and fast Java bytecode manipulation framework |
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* Copyright (c) 2000-2007 INRIA, France Telecom |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the copyright holders nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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* THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package com.sun.xml.internal.ws.org.objectweb.asm; |
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/** |
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* A constant pool item. Constant pool items can be created with the 'newXXX' |
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* methods in the {@link ClassWriter} class. |
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* |
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* @author Eric Bruneton |
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*/ |
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final class Item { |
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/** |
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* Index of this item in the constant pool. |
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*/ |
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int index; |
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/** |
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* Type of this constant pool item. A single class is used to represent all |
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* constant pool item types, in order to minimize the bytecode size of this |
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* package. The value of this field is one of {@link ClassWriter#INT}, |
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* {@link ClassWriter#LONG}, {@link ClassWriter#FLOAT}, |
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* {@link ClassWriter#DOUBLE}, {@link ClassWriter#UTF8}, |
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* {@link ClassWriter#STR}, {@link ClassWriter#CLASS}, |
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* {@link ClassWriter#NAME_TYPE}, {@link ClassWriter#FIELD}, |
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* {@link ClassWriter#METH}, {@link ClassWriter#IMETH}. |
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* |
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* Special Item types are used for Items that are stored in the ClassWriter |
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* {@link ClassWriter#typeTable}, instead of the constant pool, in order to |
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* avoid clashes with normal constant pool items in the ClassWriter constant |
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* pool's hash table. These special item types are |
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* {@link ClassWriter#TYPE_NORMAL}, {@link ClassWriter#TYPE_UNINIT} and |
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* {@link ClassWriter#TYPE_MERGED}. |
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*/ |
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int type; |
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/** |
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* Value of this item, for an integer item. |
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*/ |
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int intVal; |
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/** |
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* Value of this item, for a long item. |
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*/ |
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long longVal; |
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/** |
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* First part of the value of this item, for items that do not hold a |
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* primitive value. |
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*/ |
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String strVal1; |
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/** |
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* Second part of the value of this item, for items that do not hold a |
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* primitive value. |
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*/ |
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String strVal2; |
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/** |
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* Third part of the value of this item, for items that do not hold a |
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* primitive value. |
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*/ |
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String strVal3; |
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/** |
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* The hash code value of this constant pool item. |
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*/ |
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int hashCode; |
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/** |
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* Link to another constant pool item, used for collision lists in the |
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* constant pool's hash table. |
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*/ |
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Item next; |
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/** |
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* Constructs an uninitialized {@link Item}. |
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*/ |
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Item() { |
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} |
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/** |
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* Constructs an uninitialized {@link Item} for constant pool element at |
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* given position. |
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* |
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* @param index index of the item to be constructed. |
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*/ |
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Item(final int index) { |
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this.index = index; |
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} |
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/** |
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* Constructs a copy of the given item. |
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* |
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* @param index index of the item to be constructed. |
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* @param i the item that must be copied into the item to be constructed. |
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*/ |
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Item(final int index, final Item i) { |
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this.index = index; |
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type = i.type; |
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intVal = i.intVal; |
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longVal = i.longVal; |
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strVal1 = i.strVal1; |
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strVal2 = i.strVal2; |
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strVal3 = i.strVal3; |
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hashCode = i.hashCode; |
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} |
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/** |
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* Sets this item to an integer item. |
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* |
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* @param intVal the value of this item. |
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*/ |
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void set(final int intVal) { |
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this.type = ClassWriter.INT; |
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this.intVal = intVal; |
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this.hashCode = 0x7FFFFFFF & (type + intVal); |
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} |
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/** |
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* Sets this item to a long item. |
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* |
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* @param longVal the value of this item. |
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*/ |
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void set(final long longVal) { |
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this.type = ClassWriter.LONG; |
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this.longVal = longVal; |
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this.hashCode = 0x7FFFFFFF & (type + (int) longVal); |
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} |
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/** |
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* Sets this item to a float item. |
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* |
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* @param floatVal the value of this item. |
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*/ |
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void set(final float floatVal) { |
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this.type = ClassWriter.FLOAT; |
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this.intVal = Float.floatToRawIntBits(floatVal); |
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this.hashCode = 0x7FFFFFFF & (type + (int) floatVal); |
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} |
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/** |
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* Sets this item to a double item. |
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* |
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* @param doubleVal the value of this item. |
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*/ |
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void set(final double doubleVal) { |
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this.type = ClassWriter.DOUBLE; |
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this.longVal = Double.doubleToRawLongBits(doubleVal); |
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this.hashCode = 0x7FFFFFFF & (type + (int) doubleVal); |
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} |
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/** |
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* Sets this item to an item that do not hold a primitive value. |
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* |
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* @param type the type of this item. |
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* @param strVal1 first part of the value of this item. |
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* @param strVal2 second part of the value of this item. |
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* @param strVal3 third part of the value of this item. |
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*/ |
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void set( |
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final int type, |
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final String strVal1, |
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final String strVal2, |
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final String strVal3) |
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{ |
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this.type = type; |
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this.strVal1 = strVal1; |
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this.strVal2 = strVal2; |
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this.strVal3 = strVal3; |
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switch (type) { |
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case ClassWriter.UTF8: |
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case ClassWriter.STR: |
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case ClassWriter.CLASS: |
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case ClassWriter.TYPE_NORMAL: |
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hashCode = 0x7FFFFFFF & (type + strVal1.hashCode()); |
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return; |
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case ClassWriter.NAME_TYPE: |
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hashCode = 0x7FFFFFFF & (type + strVal1.hashCode() |
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* strVal2.hashCode()); |
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return; |
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// ClassWriter.FIELD: |
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// ClassWriter.METH: |
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// ClassWriter.IMETH: |
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default: |
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hashCode = 0x7FFFFFFF & (type + strVal1.hashCode() |
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* strVal2.hashCode() * strVal3.hashCode()); |
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} |
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} |
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/** |
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* Indicates if the given item is equal to this one. |
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* |
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* @param i the item to be compared to this one. |
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* @return <tt>true</tt> if the given item if equal to this one, |
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* <tt>false</tt> otherwise. |
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*/ |
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boolean isEqualTo(final Item i) { |
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if (i.type == type) { |
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switch (type) { |
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case ClassWriter.INT: |
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case ClassWriter.FLOAT: |
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return i.intVal == intVal; |
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case ClassWriter.TYPE_MERGED: |
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case ClassWriter.LONG: |
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case ClassWriter.DOUBLE: |
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return i.longVal == longVal; |
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case ClassWriter.UTF8: |
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case ClassWriter.STR: |
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case ClassWriter.CLASS: |
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case ClassWriter.TYPE_NORMAL: |
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return i.strVal1.equals(strVal1); |
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case ClassWriter.TYPE_UNINIT: |
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return i.intVal == intVal && i.strVal1.equals(strVal1); |
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case ClassWriter.NAME_TYPE: |
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return i.strVal1.equals(strVal1) |
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&& i.strVal2.equals(strVal2); |
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// ClassWriter.FIELD: |
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// ClassWriter.METH: |
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// ClassWriter.IMETH: |
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default: |
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return i.strVal1.equals(strVal1) |
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&& i.strVal2.equals(strVal2) |
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&& i.strVal3.equals(strVal3); |
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} |
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} |
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return false; |
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} |
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} |