| /* |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * This file is available under and governed by the GNU General Public |
| * License version 2 only, as published by the Free Software Foundation. |
| * However, the following notice accompanied the original version of this |
| * file: |
| * |
| * ASM: a very small and fast Java bytecode manipulation framework |
| * Copyright (c) 2000-2011 INRIA, France Telecom |
| * 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. Neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS 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 COPYRIGHT OWNER OR 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. |
| */ |
| |
| package jdk.internal.org.objectweb.asm.commons; |
| |
| import jdk.internal.org.objectweb.asm.Attribute; |
| import jdk.internal.org.objectweb.asm.ByteVector; |
| import jdk.internal.org.objectweb.asm.ClassReader; |
| import jdk.internal.org.objectweb.asm.ClassWriter; |
| import jdk.internal.org.objectweb.asm.Label; |
| |
| /** |
| * ModuleTarget attribute. |
| * This attribute is specific to the OpenJDK and may change in the future. |
| * |
| * @author Remi Forax |
| */ |
| public final class ModuleTargetAttribute extends Attribute { |
| public String platform; |
| |
| /** |
| * Creates an attribute with a platform name. |
| * @param platform the platform name on which the module can run. |
| */ |
| public ModuleTargetAttribute(final String platform) { |
| super("ModuleTarget"); |
| this.platform = platform; |
| } |
| |
| /** |
| * Creates an empty attribute that can be used as prototype |
| * to be passed as argument of the method |
| * {@link ClassReader#accept(org.objectweb.asm.ClassVisitor, Attribute[], int)}. |
| */ |
| public ModuleTargetAttribute() { |
| this(null); |
| } |
| |
| @Override |
| protected Attribute read(ClassReader cr, int off, int len, char[] buf, |
| int codeOff, Label[] labels) { |
| String platform = cr.readUTF8(off, buf); |
| return new ModuleTargetAttribute(platform); |
| } |
| |
| @Override |
| protected ByteVector write(ClassWriter cw, byte[] code, int len, |
| int maxStack, int maxLocals) { |
| ByteVector v = new ByteVector(); |
| int index = (platform == null)? 0: cw.newUTF8(platform); |
| v.putShort(index); |
| return v; |
| } |
| } |