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Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org> Co-authored-by: Jorn Vernee <jvernee@openjdk.org> Co-authored-by: Paul Sandoz <psandoz@openjdk.org> Co-authored-by: Feilong Jiang <fjiang@openjdk.org> Co-authored-by: Per Minborg <pminborg@openjdk.org> Reviewed-by: erikj, jvernee, vlivanov, psandoz
61 lines
2.0 KiB
Java
61 lines
2.0 KiB
Java
/*
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* Copyright (c) 2019, 2023, 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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package java.lang.foreign;
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import jdk.internal.foreign.layout.UnionLayoutImpl;
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import jdk.internal.javac.PreviewFeature;
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/**
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* A group layout whose member layouts are laid out at the same starting offset.
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*
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* @implSpec
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* Implementing classes are immutable, thread-safe and <a href="{@docRoot}/java.base/java/lang/doc-files/ValueBased.html">value-based</a>.
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*
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* @since 20
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*/
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@PreviewFeature(feature=PreviewFeature.Feature.FOREIGN)
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public sealed interface UnionLayout extends GroupLayout permits UnionLayoutImpl {
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/**
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* {@inheritDoc}
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*/
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@Override
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UnionLayout withName(String name);
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/**
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* {@inheritDoc}
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*/
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@Override
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UnionLayout withoutName();
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/**
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* {@inheritDoc}
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* @throws IllegalArgumentException {@inheritDoc}
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*/
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@Override
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UnionLayout withBitAlignment(long bitAlignment);
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}
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