1 /* 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. Oracle designates this 7 * particular file as subject to the "Classpath" exception as provided 8 * by Oracle in the LICENSE file that accompanied this code. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 */ 24 25 /* 26 * This file is available under and governed by the GNU General Public 27 * License version 2 only, as published by the Free Software Foundation. 28 * However, the following notice accompanied the original version of this 29 * file: 30 * 31 * ASM: a very small and fast Java bytecode manipulation framework 32 * Copyright (c) 2000-2011 INRIA, France Telecom 33 * All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 1. Redistributions of source code must retain the above copyright 39 * notice, this list of conditions and the following disclaimer. 40 * 2. Redistributions in binary form must reproduce the above copyright 41 * notice, this list of conditions and the following disclaimer in the 42 * documentation and/or other materials provided with the distribution. 43 * 3. Neither the name of the copyright holders nor the names of its 44 * contributors may be used to endorse or promote products derived from 45 * this software without specific prior written permission. 46 * 47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 48 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 50 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 51 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 52 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 53 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 54 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 55 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 56 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 57 * THE POSSIBILITY OF SUCH DAMAGE. 58 */ 59 60 package jdk.internal.org.objectweb.asm.commons; 61 62 import jdk.internal.org.objectweb.asm.Attribute; 63 import jdk.internal.org.objectweb.asm.ByteVector; 64 import jdk.internal.org.objectweb.asm.ClassReader; 65 import jdk.internal.org.objectweb.asm.ClassWriter; 66 import jdk.internal.org.objectweb.asm.Label; 67 68 /** 69 * ModuleResolution_attribute. 70 * This attribute is specific to the OpenJDK and may change in the future. 71 * 72 * @author Remi Forax 73 */ 74 public final class ModuleResolutionAttribute extends Attribute { 75 /** 76 * Resolution state of a module meaning that the module is not available 77 * from the class-path by default. 78 */ 79 public static final int RESOLUTION_DO_NOT_RESOLVE_BY_DEFAULT = 1; 80 81 /** 82 * Resolution state of a module meaning the module is marked as deprecated. 83 */ 84 public static final int RESOLUTION_WARN_DEPRECATED = 2; 85 86 /** 87 * Resolution state of a module meaning the module is marked as deprecated 88 * and will be removed in a future release. 89 */ 90 public static final int RESOLUTION_WARN_DEPRECATED_FOR_REMOVAL = 4; 91 92 /** 93 * Resolution state of a module meaning the module is not yet standardized, 94 * so in incubating mode. 95 */ 96 public static final int RESOLUTION_WARN_INCUBATING = 8; 97 98 public int resolution; 99 100 /** 101 * Creates an attribute with a resolution state value. 102 * @param resolution the resolution state among 103 * {@link #RESOLUTION_WARN_DEPRECATED}, 104 * {@link #RESOLUTION_WARN_DEPRECATED_FOR_REMOVAL}, and 105 * {@link #RESOLUTION_WARN_INCUBATING}. 106 */ ModuleResolutionAttribute(final int resolution)107 public ModuleResolutionAttribute(final int resolution) { 108 super("ModuleResolution"); 109 this.resolution = resolution; 110 } 111 112 /** 113 * Creates an empty attribute that can be used as prototype 114 * to be passed as argument of the method 115 * {@link ClassReader#accept(org.objectweb.asm.ClassVisitor, Attribute[], int)}. 116 */ ModuleResolutionAttribute()117 public ModuleResolutionAttribute() { 118 this(0); 119 } 120 121 @Override read(ClassReader cr, int off, int len, char[] buf, int codeOff, Label[] labels)122 protected Attribute read(ClassReader cr, int off, int len, char[] buf, 123 int codeOff, Label[] labels) { 124 int resolution = cr.readUnsignedShort(off); 125 return new ModuleResolutionAttribute(resolution); 126 } 127 128 @Override write(ClassWriter cw, byte[] code, int len, int maxStack, int maxLocals)129 protected ByteVector write(ClassWriter cw, byte[] code, int len, 130 int maxStack, int maxLocals) { 131 ByteVector v = new ByteVector(); 132 v.putShort(resolution); 133 return v; 134 } 135 } 136