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8309595: Allow javadoc to process unnamed classes
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Reviewed-by: prappo
Backport-of: 0be3905
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JimLaskey committed Jun 20, 2023
1 parent ede16cd commit bfffd8b
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Showing 3 changed files with 87 additions and 1 deletion.
Original file line number Diff line number Diff line change
Expand Up @@ -987,7 +987,7 @@ private boolean isTypeElementSelected(TypeElement te) {
* @return true if the element is visible
public boolean isSelected(Element e) {
if (toolEnv.isSynthetic((Symbol) e)) {
if (toolEnv.isSynthetic((Symbol) e) && !toolEnv.isUnnamed((Symbol) e)) {
return false;
if (visibleElementVisitor == null) {
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Original file line number Diff line number Diff line change
Expand Up @@ -174,6 +174,10 @@ boolean isSynthetic(Symbol sym) {
return (sym.flags() & Flags.SYNTHETIC) != 0;

boolean isUnnamed(Symbol sym) {
return (sym.flags() & Flags.UNNAMED_CLASS) != 0;

void setElementToTreePath(Element e, TreePath tree) {
if (e == null || tree == null)
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82 changes: 82 additions & 0 deletions test/langtools/jdk/javadoc/doclet/unnamed/
Original file line number Diff line number Diff line change
@@ -0,0 +1,82 @@
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* 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.
* 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 if you need additional information or have any
* questions.

* @test
* @bug 8309595
* @summary Allow javadoc to process unnamed classes
* @library /tools/lib ../../lib
* @modules jdk.javadoc/jdk.javadoc.internal.tool
* @build toolbox.ToolBox javadoc.tester.*
* @run main Unnamed

import java.nio.file.Files;
import java.nio.file.Path;

import javadoc.tester.JavadocTester;
import toolbox.ToolBox;

public class Unnamed extends JavadocTester {

private static final String thisVersion = System.getProperty("java.specification.version");

private static final ToolBox tb = new ToolBox();

public static void main(String... args) throws Exception {
new Unnamed().runTests();

public void testUnnamed(Path base) throws IOException {
String className = "Sample";
Path out = base.resolve("out");
Path src = base.resolve("src");
Path sample = src.resolve(className + ".java");

Files.writeString(sample, """
* This is a comment for the main method.
void main() {

"--source", thisVersion,
"-d", out.toString(),

checkOutput(className + ".html", true, "This is a comment for the main method.");


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