jdk-24/test/langtools/tools/javac/processing/rounds/GenerateAnonymousClass.java
2021-09-01 20:28:05 +00:00

96 lines
3.8 KiB
Java

/*
* Copyright (c) 2018, Google LLC. 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.
*
* 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.
*/
/*
* @test
* @bug 8204630
* @summary generating an anonymous class with Filer#createClassFile causes an NPE in
* JavacProcessingEnvironment
* @library /tools/lib /tools/javac/lib/
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* jdk.compiler/com.sun.tools.javac.processing
* jdk.compiler/com.sun.tools.javac.util
* jdk.jdeps/com.sun.tools.javap
* @clean *
* @build toolbox.ToolBox toolbox.JavacTask
* @build GenerateAnonymousClass JavacTestingAbstractProcessor
* @compile/ref=GenerateAnonymousClass.out -XDaccessInternalAPI -processor GenerateAnonymousClass -XDrawDiagnostics GenerateAnonymousClass.java
*/
import com.sun.tools.javac.processing.JavacProcessingEnvironment;
import com.sun.tools.javac.processing.PrintingProcessor.PrintingElementVisitor;
import com.sun.tools.javac.util.Log;
import com.sun.tools.javac.util.Log.WriterKind;
import java.io.*;
import java.util.*;
import javax.annotation.processing.*;
import javax.lang.model.element.*;
import javax.tools.*;
import toolbox.JavacTask;
import toolbox.ToolBox;
public class GenerateAnonymousClass extends JavacTestingAbstractProcessor {
int round = 1;
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
Log log = Log.instance(((JavacProcessingEnvironment) processingEnv).getContext());
PrintWriter pw = log.getWriter(WriterKind.NOTICE);
pw.println("round: " + round);
TypeElement generatedClass = processingEnv.getElementUtils().getTypeElement("T");
if (generatedClass != null) {
new PrintingElementVisitor(pw, processingEnv.getElementUtils()).visit(generatedClass);
pw.flush();
}
if (round++ == 1) {
ToolBox tb = new ToolBox();
ToolBox.MemoryFileManager mfm = new ToolBox.MemoryFileManager();
new JavacTask(tb).fileManager(mfm).sources(GENERATED).run();
try (OutputStream out = filer.createClassFile("T").openOutputStream()) {
out.write(mfm.getFileBytes(StandardLocation.CLASS_OUTPUT, "T"));
} catch (IOException e) {
processingEnv.getMessager().printError(e.toString());
}
try (OutputStream out = filer.createClassFile("T$1").openOutputStream()) {
out.write(mfm.getFileBytes(StandardLocation.CLASS_OUTPUT, "T$1"));
} catch (IOException e) {
processingEnv.getMessager().printError(e.toString());
}
}
return false;
}
private static final String GENERATED =
"public class T {\n"
+ " public void test() {\n"
+ " new Object() {};\n"
+ " }\n"
+ "}";
}