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67 lines
2.4 KiB
Java
67 lines
2.4 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.attribute;
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import java.lang.classfile.CodeBuilder;
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import java.lang.classfile.instruction.LineNumber;
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import jdk.internal.classfile.impl.UnboundAttribute;
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/**
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* Models a single line number entry in the {@link LineNumberTableAttribute}.
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*
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* @see LineNumberTableAttribute#lineNumbers()
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* @see LineNumber
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* @since 24
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*/
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public sealed interface LineNumberInfo
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permits UnboundAttribute.UnboundLineNumberInfo {
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/**
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* {@return the index into the code array at which the code for this line
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* begins}
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*/
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int startPc();
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/**
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* {@return the line number within the original source file}
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*/
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int lineNumber();
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/**
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* {@return a line number description}
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*
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* @apiNote
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* The created entry cannot be written to a {@link CodeBuilder}. Call
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* {@link CodeBuilder#lineNumber CodeBuilder::lineNumber} in the correct
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* order instead.
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*
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* @param startPc the starting index of the code array for this line
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* @param lineNumber the line number within the original source file
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*/
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public static LineNumberInfo of(int startPc, int lineNumber) {
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return new UnboundAttribute.UnboundLineNumberInfo(startPc, lineNumber);
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}
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}
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