author | dholmes |
Sat, 23 Jun 2018 01:32:41 -0400 | |
changeset 50735 | 2f2af62dfac7 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2012, 2018, 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. |
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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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/* |
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* @test |
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* @bug 7199823 |
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* @summary javac generates inner class that can't be verified |
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* @modules jdk.jdeps/com.sun.tools.classfile |
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* @run main InnerClassCannotBeVerified |
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*/ |
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import java.nio.file.NoSuchFileException; |
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import java.util.Arrays; |
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import javax.tools.JavaFileObject; |
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import java.net.URI; |
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import javax.tools.SimpleJavaFileObject; |
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import javax.tools.ToolProvider; |
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import javax.tools.JavaCompiler; |
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import com.sun.source.util.JavacTask; |
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import com.sun.tools.classfile.ClassFile; |
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import com.sun.tools.classfile.ConstantPoolException; |
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import java.io.File; |
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import java.io.IOException; |
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public class InnerClassCannotBeVerified { |
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enum CompilationKind { |
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PRE_NESTMATES("-source", "10", "-target", "10"), |
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POST_NESTMATES(); |
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String[] opts; |
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CompilationKind(String... opts) { |
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this.opts = opts; |
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} |
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} |
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private static final String errorMessage = |
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"Compile error while compiling the following source:\n"; |
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public static void main(String... args) throws Exception { |
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new InnerClassCannotBeVerified().run(); |
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} |
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void run() throws Exception { |
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for (CompilationKind ck : CompilationKind.values()) { |
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File file = new File("Test$1.class"); |
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if (file.exists()) { |
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file.delete(); |
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} |
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JavaCompiler comp = ToolProvider.getSystemJavaCompiler(); |
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JavaSource source = new JavaSource(); |
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JavacTask ct = (JavacTask)comp.getTask(null, null, null, |
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Arrays.asList(ck.opts), null, Arrays.asList(source)); |
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try { |
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if (!ct.call()) { |
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throw new AssertionError(errorMessage + |
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source.getCharContent(true)); |
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} |
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} catch (Throwable ex) { |
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throw new AssertionError(errorMessage + |
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source.getCharContent(true)); |
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} |
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check(ck); |
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} |
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} |
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private void check(CompilationKind ck) throws IOException, ConstantPoolException { |
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try { |
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File file = new File("Test$1.class"); |
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ClassFile classFile = ClassFile.read(file); |
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if (ck == CompilationKind.POST_NESTMATES) { |
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throw new AssertionError("Unexpected constructor tag class!"); |
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} |
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boolean inheritsFromObject = |
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classFile.getSuperclassName().equals("java/lang/Object"); |
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boolean implementsNoInterface = classFile.interfaces.length == 0; |
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boolean noMethods = classFile.methods.length == 0; |
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if (!(inheritsFromObject && |
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implementsNoInterface && |
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noMethods)) { |
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throw new AssertionError("The inner classes reused as " + |
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"access constructor tag for this code must be empty"); |
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} |
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} catch (NoSuchFileException ex) { |
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if (ck == CompilationKind.PRE_NESTMATES) { |
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throw new AssertionError("Constructor tag class missing!"); |
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} |
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} |
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} |
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class JavaSource extends SimpleJavaFileObject { |
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String internalSource = |
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"public class Test {\n" + |
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" private static class Foo {}\n" + |
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" public static void main(String[] args){ \n" + |
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" new Foo();\n" + |
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" if(false) {\n" + |
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" new Runnable() {\n" + |
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" @Override\n" + |
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" public void run() {\n" + |
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" System.out.println();\n" + |
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" }\n" + |
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" }.run();\n" + |
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" }\n" + |
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" }\n" + |
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"}"; |
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public JavaSource() { |
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super(URI.create("Test.java"), JavaFileObject.Kind.SOURCE); |
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} |
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@Override |
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public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
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return internalSource; |
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} |
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} |
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} |