391 lines
14 KiB
Java
391 lines
14 KiB
Java
/*
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* Copyright (c) 2016, 2017, 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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* Create class file using ASM, slightly modified the ASMifier output
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*/
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import jdk.internal.org.objectweb.asm.*;
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public class ClassFileGenerator {
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public static void main(String... args) throws Exception {
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classFileWriter("AnnotationWithVoidReturn.class", AnnoationWithVoidReturnDump.dump());
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classFileWriter("AnnotationWithParameter.class", AnnoationWithParameterDump.dump());
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classFileWriter("AnnotationWithExtraInterface.class", AnnotationWithExtraInterfaceDump.dump());
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classFileWriter("AnnotationWithException.class", AnnotationWithExceptionDump.dump());
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classFileWriter("AnnotationWithHashCode.class", AnnotationWithHashCodeDump.dump());
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classFileWriter("AnnotationWithDefaultMember.class", AnnotationWithDefaultMemberDump.dump());
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classFileWriter("AnnotationWithoutAnnotationAccessModifier.class",
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AnnotationWithoutAnnotationAccessModifierDump.dump());
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classFileWriter("HolderX.class", HolderXDump.dump());
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}
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private static void classFileWriter(String name, byte[] contents) throws IOException {
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try (FileOutputStream fos = new FileOutputStream(new File(System.getProperty("test.classes"),
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name))) {
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fos.write(contents);
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}
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}
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/* Following code creates equivalent classfile, which is not allowed by javac:
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@Retention(RetentionPolicy.RUNTIME)
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public @interface AnnotationWithVoidReturn {
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void m() default 1;
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}
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*/
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private static class AnnoationWithVoidReturnDump implements Opcodes {
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public static byte[] dump() throws Exception {
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ClassWriter cw = new ClassWriter(0);
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MethodVisitor mv;
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AnnotationVisitor av0;
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cw.visit(52, ACC_PUBLIC + ACC_ANNOTATION + ACC_ABSTRACT + ACC_INTERFACE,
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"AnnotationWithVoidReturn", null,
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"java/lang/Object", new String[]{"java/lang/annotation/Annotation"});
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{
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av0 = cw.visitAnnotation("Ljava/lang/annotation/Retention;", true);
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av0.visitEnum("value", "Ljava/lang/annotation/RetentionPolicy;",
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"RUNTIME");
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av0.visitEnd();
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}
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{
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mv = cw.visitMethod(ACC_PUBLIC + ACC_ABSTRACT, "m", "()V", null, null);
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mv.visitEnd();
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}
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{
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av0 = mv.visitAnnotationDefault();
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av0.visit(null, new Integer(1));
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av0.visitEnd();
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}
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cw.visitEnd();
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return cw.toByteArray();
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}
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}
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/* Following code creates equivalent classfile, which is not allowed by javac:
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@Retention(RetentionPolicy.RUNTIME)
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public @interface AnnotationWithParameter {
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int m(int x) default -1;
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}
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*/
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private static class AnnoationWithParameterDump implements Opcodes {
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public static byte[] dump() throws Exception {
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ClassWriter cw = new ClassWriter(0);
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MethodVisitor mv;
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AnnotationVisitor av0;
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cw.visit(52, ACC_PUBLIC + ACC_ANNOTATION + ACC_ABSTRACT + ACC_INTERFACE,
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"AnnotationWithParameter", null,
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"java/lang/Object", new String[]{"java/lang/annotation/Annotation"});
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{
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av0 = cw.visitAnnotation("Ljava/lang/annotation/Retention;", true);
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av0.visitEnum("value", "Ljava/lang/annotation/RetentionPolicy;",
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"RUNTIME");
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av0.visitEnd();
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}
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{
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mv = cw.visitMethod(ACC_PUBLIC + ACC_ABSTRACT,
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"badValue",
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"(I)I", // Bad method with a parameter
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null, null);
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mv.visitEnd();
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}
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{
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av0 = mv.visitAnnotationDefault();
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av0.visit(null, new Integer(-1));
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av0.visitEnd();
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}
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cw.visitEnd();
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return cw.toByteArray();
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}
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}
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/* Following code creates equivalent classfile, which is not allowed by javac:
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@Retention(RetentionPolicy.RUNTIME)
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public @interface AnnotationWithExtraInterface extends java.io.Serializable {
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int m() default 1;
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}
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*/
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private static class AnnotationWithExtraInterfaceDump implements Opcodes {
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public static byte[] dump() throws Exception {
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ClassWriter cw = new ClassWriter(0);
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MethodVisitor mv;
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AnnotationVisitor av0;
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cw.visit(52, ACC_PUBLIC + ACC_ANNOTATION + ACC_ABSTRACT + ACC_INTERFACE,
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"AnnotationWithExtraInterface", null,
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"java/lang/Object", new String[]{"java/lang/annotation/Annotation",
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"java/io/Serializable"});
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{
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av0 = cw.visitAnnotation("Ljava/lang/annotation/Retention;", true);
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av0.visitEnum("value", "Ljava/lang/annotation/RetentionPolicy;",
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"RUNTIME");
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av0.visitEnd();
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}
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{
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mv = cw.visitMethod(ACC_PUBLIC + ACC_ABSTRACT, "m", "()I", null, null);
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mv.visitEnd();
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}
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{
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av0 = mv.visitAnnotationDefault();
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av0.visit(null, new Integer(1));
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av0.visitEnd();
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}
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cw.visitEnd();
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return cw.toByteArray();
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}
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}
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/* Following code creates equivalent classfile, which is not allowed by javac:
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@Retention(RetentionPolicy.RUNTIME)
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public @interface AnnotationWithException {
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int m() throws Exception default 1;
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}
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*/
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private static class AnnotationWithExceptionDump implements Opcodes {
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public static byte[] dump() throws Exception {
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ClassWriter cw = new ClassWriter(0);
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MethodVisitor mv;
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AnnotationVisitor av0;
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cw.visit(52, ACC_PUBLIC + ACC_ANNOTATION + ACC_ABSTRACT + ACC_INTERFACE,
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"AnnotationWithException", null,
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"java/lang/Object", new String[]{"java/lang/annotation/Annotation"});
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{
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av0 = cw.visitAnnotation("Ljava/lang/annotation/Retention;", true);
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av0.visitEnum("value", "Ljava/lang/annotation/RetentionPolicy;",
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"RUNTIME");
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av0.visitEnd();
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}
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{
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mv = cw.visitMethod(ACC_PUBLIC + ACC_ABSTRACT, "m", "()I", null,
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new String[] {"java/lang/Exception"});
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mv.visitEnd();
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}
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{
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av0 = mv.visitAnnotationDefault();
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av0.visit(null, new Integer(1));
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av0.visitEnd();
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}
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cw.visitEnd();
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return cw.toByteArray();
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}
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}
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/* Following code creates equivalent classfile, which is not allowed by javac:
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@Retention(RetentionPolicy.RUNTIME)
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public @interface AnnotationWithHashCode {
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int hashCode() default 1;
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}
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*/
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private static class AnnotationWithHashCodeDump implements Opcodes {
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public static byte[] dump() throws Exception {
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ClassWriter cw = new ClassWriter(0);
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MethodVisitor mv;
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AnnotationVisitor av0;
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cw.visit(52, ACC_PUBLIC + ACC_ANNOTATION + ACC_ABSTRACT + ACC_INTERFACE,
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"AnnotationWithHashCode", null,
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"java/lang/Object", new String[]{"java/lang/annotation/Annotation"});
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{
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av0 = cw.visitAnnotation("Ljava/lang/annotation/Retention;", true);
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av0.visitEnum("value", "Ljava/lang/annotation/RetentionPolicy;",
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"RUNTIME");
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av0.visitEnd();
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}
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{
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mv = cw.visitMethod(ACC_PUBLIC + ACC_ABSTRACT, "hashCode", "()I", null, null);
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mv.visitEnd();
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}
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{
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av0 = mv.visitAnnotationDefault();
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av0.visit(null, new Integer(1));
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av0.visitEnd();
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}
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cw.visitEnd();
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return cw.toByteArray();
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}
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}
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/* Following code creates equivalent classfile, which is not allowed by javac:
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@Retention(RetentionPolicy.RUNTIME)
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public @interface AnnotationWithDefaultMember {
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int m() default 1;
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default int d() default 2 { return 2; }
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}
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*/
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private static class AnnotationWithDefaultMemberDump implements Opcodes {
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public static byte[] dump() throws Exception {
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ClassWriter cw = new ClassWriter(0);
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MethodVisitor mv, dv;
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AnnotationVisitor av0;
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cw.visit(52, ACC_PUBLIC + ACC_ANNOTATION + ACC_ABSTRACT + ACC_INTERFACE,
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"AnnotationWithDefaultMember", null,
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"java/lang/Object", new String[]{"java/lang/annotation/Annotation"});
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{
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av0 = cw.visitAnnotation("Ljava/lang/annotation/Retention;", true);
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av0.visitEnum("value", "Ljava/lang/annotation/RetentionPolicy;",
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"RUNTIME");
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av0.visitEnd();
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}
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{
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mv = cw.visitMethod(ACC_PUBLIC + ACC_ABSTRACT, "m", "()I", null, null);
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mv.visitEnd();
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}
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{
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av0 = mv.visitAnnotationDefault();
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av0.visit(null, new Integer(1));
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av0.visitEnd();
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}
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{
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dv = cw.visitMethod(ACC_PUBLIC, "d", "()I", null, null);
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dv.visitMaxs(1, 1);
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dv.visitCode();
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dv.visitInsn(Opcodes.ICONST_2);
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dv.visitInsn(Opcodes.IRETURN);
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dv.visitEnd();
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}
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{
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av0 = dv.visitAnnotationDefault();
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av0.visit(null, new Integer(2));
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av0.visitEnd();
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}
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cw.visitEnd();
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return cw.toByteArray();
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}
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}
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/* Following code creates equivalent classfile, which is not allowed by javac:
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@Retention(RetentionPolicy.RUNTIME)
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public interface AnnotationWithoutAnnotationAccessModifier extends java.lang.annotation.Annotation {
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int m() default 1;
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}
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*/
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private static class AnnotationWithoutAnnotationAccessModifierDump implements Opcodes {
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public static byte[] dump() throws Exception {
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ClassWriter cw = new ClassWriter(0);
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MethodVisitor mv;
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AnnotationVisitor av0;
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cw.visit(52, ACC_PUBLIC + /* ACC_ANNOTATION +*/ ACC_ABSTRACT + ACC_INTERFACE,
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"AnnotationWithoutAnnotationAccessModifier", null,
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"java/lang/Object", new String[]{"java/lang/annotation/Annotation"});
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{
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av0 = cw.visitAnnotation("Ljava/lang/annotation/Retention;", true);
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av0.visitEnum("value", "Ljava/lang/annotation/RetentionPolicy;",
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"RUNTIME");
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av0.visitEnd();
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}
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{
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mv = cw.visitMethod(ACC_PUBLIC + ACC_ABSTRACT, "m", "()I", null, null);
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mv.visitEnd();
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}
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{
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av0 = mv.visitAnnotationDefault();
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av0.visit(null, new Integer(1));
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av0.visitEnd();
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}
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cw.visitEnd();
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return cw.toByteArray();
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}
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}
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/* Following code creates equivalent classfile, which is not allowed by javac
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since AnnotationWithoutAnnotationAccessModifier is not marked with ACC_ANNOTATION:
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@GoodAnnotation
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@AnnotationWithoutAnnotationAccessModifier
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public interface HolderX {
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}
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*/
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private static class HolderXDump implements Opcodes {
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public static byte[] dump() throws Exception {
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ClassWriter cw = new ClassWriter(0);
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cw.visit(52, ACC_PUBLIC + ACC_ABSTRACT + ACC_INTERFACE,
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"HolderX", null,
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"java/lang/Object", new String[0]);
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{
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AnnotationVisitor av0;
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av0 = cw.visitAnnotation("LGoodAnnotation;", true);
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av0.visitEnd();
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av0 = cw.visitAnnotation("LAnnotationWithoutAnnotationAccessModifier;", true);
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av0.visitEnd();
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}
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cw.visitEnd();
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return cw.toByteArray();
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}
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}
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}
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