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8308753: Class-File API transition to Preview

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Reviewed-by: ihse, mchung, vromero
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Adam Sotona 2023-12-04 07:07:57 +00:00
parent b9df827adc
commit 2b00ac0d02
681 changed files with 7518 additions and 6502 deletions
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src/java.base/share/classes/java/lang/classfile/attribute/ExceptionsAttribute.java Normal file
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/*
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
* 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.
*/
package java.lang.classfile.attribute;
import java.lang.constant.ClassDesc;
import java.util.Arrays;
import java.util.List;
import java.lang.classfile.Attribute;
import java.lang.classfile.constantpool.ClassEntry;
import java.lang.classfile.MethodElement;
import jdk.internal.classfile.impl.BoundAttribute;
import jdk.internal.classfile.impl.UnboundAttribute;
import jdk.internal.classfile.impl.Util;
import jdk.internal.javac.PreviewFeature;
/**
* Models the {@code Exceptions} attribute {@jvms 4.7.5}, which can appear on
* methods, and records the exceptions declared to be thrown by this method.
* Delivered as a {@link MethodElement} when traversing the elements of a
* {@link java.lang.classfile.MethodModel}.
* <p>
* The attribute does not permit multiple instances in a given location.
* Subsequent occurrence of the attribute takes precedence during the attributed
* element build or transformation.
*
* @since 22
*/
@PreviewFeature(feature = PreviewFeature.Feature.CLASSFILE_API)
public sealed interface ExceptionsAttribute
extends Attribute<ExceptionsAttribute>, MethodElement
permits BoundAttribute.BoundExceptionsAttribute,
UnboundAttribute.UnboundExceptionsAttribute {
/**
* {@return the exceptions declared to be thrown by this method}
*/
List<ClassEntry> exceptions();
/**
* {@return an {@code Exceptions} attribute}
* @param exceptions the checked exceptions that may be thrown from this method
*/
static ExceptionsAttribute of(List<ClassEntry> exceptions) {
return new UnboundAttribute.UnboundExceptionsAttribute(exceptions);
}
/**
* {@return an {@code Exceptions} attribute}
* @param exceptions the checked exceptions that may be thrown from this method
*/
static ExceptionsAttribute of(ClassEntry... exceptions) {
return of(List.of(exceptions));
}
/**
* {@return an {@code Exceptions} attribute}
* @param exceptions the checked exceptions that may be thrown from this method
*/
static ExceptionsAttribute ofSymbols(List<ClassDesc> exceptions) {
return of(Util.entryList(exceptions));
}
/**
* {@return an {@code Exceptions} attribute}
* @param exceptions the checked exceptions that may be thrown from this method
*/
static ExceptionsAttribute ofSymbols(ClassDesc... exceptions) {
return ofSymbols(Arrays.asList(exceptions));
}
}