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90 lines
3.4 KiB
Java
90 lines
3.4 KiB
Java
/*
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* Copyright (c) 2022, 2025, 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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package java.lang.classfile.constantpool;
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import java.lang.classfile.Opcode;
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import jdk.internal.classfile.impl.AbstractPoolEntry;
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/**
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* Superinterface modeling symbolic references to a member of a class or interface
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* in the constant pool of a {@code class} file, which include references to
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* {@linkplain FieldRefEntry fields}, {@linkplain MethodRefEntry class methods},
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* and {@linkplain InterfaceMethodRefEntry interface methods}.
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* <p>
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* Different types of symbolic references to a member of a class or interface
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* bear structural similarities and share parts of the resolution processes, and
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* they can sometimes appear in the same locations. For example, both {@link
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* MethodRefEntry} and {@link InterfaceMethodRefEntry} can appear in an {@link
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* Opcode#INVOKESTATIC invokestatic} instruction.
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* <p>
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* A member reference entry is composite:
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* {@snippet lang=text :
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* MemberRefEntry(
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* ClassEntry owner, // @link substring="owner" target="#owner()"
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* NameAndTypeEntry nameAndType // @link substring="nameAndType" target="#nameAndType()"
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* )
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* }
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*
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* @jvms 4.4.2 The {@code CONSTANT_Fieldref_info}, {@code
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* CONSTANT_Methodref_info}, and {@code
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* CONSTANT_InterfaceMethodref_info} Structures
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* @sealedGraph
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* @since 24
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*/
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public sealed interface MemberRefEntry extends PoolEntry
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permits FieldRefEntry, InterfaceMethodRefEntry, MethodRefEntry, AbstractPoolEntry.AbstractMemberRefEntry {
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/**
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* {@return the class or interface which this member belongs to}
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*/
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ClassEntry owner();
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/**
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* {@return the name and descriptor string of the member}
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*/
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NameAndTypeEntry nameAndType();
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/**
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* {@return the name of the member}
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*/
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default Utf8Entry name() {
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return nameAndType().name();
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}
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/**
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* {@return the descriptor string of the member} This is a field descriptor
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* string if this entry is a {@link FieldRefEntry}, or a method descriptor
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* string if this entry is a {@link MethodRefEntry} or {@link
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* InterfaceMethodRefEntry}.
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*
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* @apiNote
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* Each subinterface defines a {@code typeSymbol()} accessor for the
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* symbolic descriptor for the member type.
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*/
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default Utf8Entry type() {
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return nameAndType().type();
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}
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}
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