70 lines
2.2 KiB
Java
70 lines
2.2 KiB
Java
/*
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* Copyright (c) 2020, 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.
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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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package org.openjdk.asmtools.jasm;
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import java.io.IOException;
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import java.util.List;
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/**
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* Base class of the "classes[]" data of attributes
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* <p>
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* JEP 181 (Nest-based Access Control): class file 55.0
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* NestMembers_attribute {
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* u2 attribute_name_index;
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* u4 attribute_length;
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* u2 number_of_classes;
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* u2 classes[number_of_classes];
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* }
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* <p>
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* JEP 360 (Sealed types): class file 59.65535
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* PermittedSubtypes_attribute {
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* u2 attribute_name_index;
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* u4 attribute_length;
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* u2 permitted_subtypes_count;
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* u2 classes[permitted_subtypes_count];
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* }
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*/
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public class ClassArrayAttr extends AttrData {
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List<ConstantPool.ConstCell> classes;
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public ClassArrayAttr(String attributeName, ClassData cdata, List<ConstantPool.ConstCell> classes) {
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super(cdata, attributeName);
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this.classes = classes;
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}
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@Override
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public int attrLength() {
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return 2 + classes.size() * 2;
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}
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@Override
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public void write(CheckedDataOutputStream out) throws IOException {
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super.write(out);
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out.writeShort(classes.size());
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for (ConstantPool.ConstCell c : classes) {
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out.writeShort(c.arg);
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}
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}
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}
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