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8294982: Implementation of Classfile API
Reviewed-by: ihse, psandoz, mcimadamore
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112 changes: 112 additions & 0 deletions
112
src/java.base/share/classes/jdk/internal/classfile/AccessFlags.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /* | ||
| * 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 jdk.internal.classfile; | ||
|
|
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| import java.util.Set; | ||
| import jdk.internal.classfile.impl.AccessFlagsImpl; | ||
| import java.lang.reflect.AccessFlag; | ||
|
|
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| /** | ||
| * Models the access flags for a class, method, or field. Delivered as a | ||
| * {@link jdk.internal.classfile.ClassElement}, {@link jdk.internal.classfile.FieldElement}, or | ||
| * {@link jdk.internal.classfile.MethodElement} when traversing | ||
| * the corresponding model type. | ||
| */ | ||
| public sealed interface AccessFlags | ||
| extends ClassElement, MethodElement, FieldElement | ||
| permits AccessFlagsImpl { | ||
|
|
||
| /** | ||
| * {@return the access flags, as a bit mask} | ||
| */ | ||
| int flagsMask(); | ||
|
|
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| /** | ||
| * {@return the access flags} | ||
| */ | ||
| Set<AccessFlag> flags(); | ||
|
|
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| /** | ||
| * {@return whether the specified flag is present} The specified flag | ||
| * should be a valid flag for the classfile location associated with this | ||
| * element otherwise false is returned. | ||
| * @param flag the flag to test | ||
| */ | ||
| boolean has(AccessFlag flag); | ||
|
|
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| /** | ||
| * {@return the classfile location for this element, which is either class, | ||
| * method, or field} | ||
| */ | ||
| AccessFlag.Location location(); | ||
|
|
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| /** | ||
| * {@return an {@linkplain AccessFlags} for a class} | ||
| * @param mask the flags to be set, as a bit mask | ||
| */ | ||
| static AccessFlags ofClass(int mask) { | ||
| return new AccessFlagsImpl(AccessFlag.Location.CLASS, mask); | ||
| } | ||
|
|
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| /** | ||
| * {@return an {@linkplain AccessFlags} for a class} | ||
| * @param flags the flags to be set | ||
| */ | ||
| static AccessFlags ofClass(AccessFlag... flags) { | ||
| return new AccessFlagsImpl(AccessFlag.Location.CLASS, flags); | ||
| } | ||
|
|
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| /** | ||
| * {@return an {@linkplain AccessFlags} for a field} | ||
| * @param mask the flags to be set, as a bit mask | ||
| */ | ||
| static AccessFlags ofField(int mask) { | ||
| return new AccessFlagsImpl(AccessFlag.Location.FIELD, mask); | ||
| } | ||
|
|
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| /** | ||
| * {@return an {@linkplain AccessFlags} for a field} | ||
| * @param flags the flags to be set | ||
| */ | ||
| static AccessFlags ofField(AccessFlag... flags) { | ||
| return new AccessFlagsImpl(AccessFlag.Location.FIELD, flags); | ||
| } | ||
|
|
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| /** | ||
| * {@return an {@linkplain AccessFlags} for a method} | ||
| * @param mask the flags to be set, as a bit mask | ||
| */ | ||
| static AccessFlags ofMethod(int mask) { | ||
| return new AccessFlagsImpl(AccessFlag.Location.METHOD, mask); | ||
| } | ||
|
|
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| /** | ||
| * {@return an {@linkplain AccessFlags} for a method} | ||
| * @param flags the flags to be set | ||
| */ | ||
| static AccessFlags ofMethod(AccessFlag... flags) { | ||
| return new AccessFlagsImpl(AccessFlag.Location.METHOD, flags); | ||
| } | ||
| } |
108 changes: 108 additions & 0 deletions
108
src/java.base/share/classes/jdk/internal/classfile/Annotation.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| /* | ||
| * 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 jdk.internal.classfile; | ||
|
|
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| import jdk.internal.classfile.attribute.RuntimeInvisibleAnnotationsAttribute; | ||
| import jdk.internal.classfile.attribute.RuntimeInvisibleParameterAnnotationsAttribute; | ||
| import jdk.internal.classfile.attribute.RuntimeVisibleAnnotationsAttribute; | ||
| import jdk.internal.classfile.attribute.RuntimeVisibleParameterAnnotationsAttribute; | ||
| import jdk.internal.classfile.constantpool.Utf8Entry; | ||
| import jdk.internal.classfile.impl.AnnotationImpl; | ||
| import jdk.internal.classfile.impl.TemporaryConstantPool; | ||
|
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| import java.lang.constant.ClassDesc; | ||
| import java.util.List; | ||
|
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| /** | ||
| * Models an annotation on a declaration. | ||
| * | ||
| * @see AnnotationElement | ||
| * @see AnnotationValue | ||
| * @see RuntimeVisibleAnnotationsAttribute | ||
| * @see RuntimeInvisibleAnnotationsAttribute | ||
| * @see RuntimeVisibleParameterAnnotationsAttribute | ||
| * @see RuntimeInvisibleParameterAnnotationsAttribute | ||
| */ | ||
| public sealed interface Annotation | ||
| extends WritableElement<Annotation> | ||
| permits TypeAnnotation, AnnotationImpl { | ||
|
|
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| /** | ||
| * {@return the class of the annotation} | ||
| */ | ||
| Utf8Entry className(); | ||
|
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| /** | ||
| * {@return the class of the annotation, as a symbolic descriptor} | ||
| */ | ||
| default ClassDesc classSymbol() { | ||
| return ClassDesc.ofDescriptor(className().stringValue()); | ||
| } | ||
|
|
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| /** | ||
| * {@return the elements of the annotation} | ||
| */ | ||
| List<AnnotationElement> elements(); | ||
|
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| /** | ||
| * {@return an annotation} | ||
| * @param annotationClass the class of the annotation | ||
| * @param elements the elements of the annotation | ||
| */ | ||
| static Annotation of(Utf8Entry annotationClass, | ||
| List<AnnotationElement> elements) { | ||
| return new AnnotationImpl(annotationClass, elements); | ||
| } | ||
|
|
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| /** | ||
| * {@return an annotation} | ||
| * @param annotationClass the class of the annotation | ||
| * @param elements the elements of the annotation | ||
| */ | ||
| static Annotation of(Utf8Entry annotationClass, | ||
| AnnotationElement... elements) { | ||
| return of(annotationClass, List.of(elements)); | ||
| } | ||
|
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| /** | ||
| * {@return an annotation} | ||
| * @param annotationClass the class of the annotation | ||
| * @param elements the elements of the annotation | ||
| */ | ||
| static Annotation of(ClassDesc annotationClass, | ||
| List<AnnotationElement> elements) { | ||
| return of(TemporaryConstantPool.INSTANCE.utf8Entry(annotationClass.descriptorString()), elements); | ||
| } | ||
|
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| /** | ||
| * {@return an annotation} | ||
| * @param annotationClass the class of the annotation | ||
| * @param elements the elements of the annotation | ||
| */ | ||
| static Annotation of(ClassDesc annotationClass, | ||
| AnnotationElement... elements) { | ||
| return of(TemporaryConstantPool.INSTANCE.utf8Entry(annotationClass.descriptorString()), elements); | ||
| } | ||
| } |
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