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8268575: Annotations not visible on model elements before they are generated

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Reviewed-by: mcimadamore
This commit is contained in:
Srikanth Adayapalam 2021-12-06 06:24:56 +00:00
parent 839b6067c8
commit 104aa1f7f9
3 changed files with 114 additions and 1 deletions
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2
src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Annotate.java
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@ -345,7 +345,7 @@ public class Annotate {
Assert.checkNonNull(c, "Failed to create annotation");
if (a.type.tsym.isAnnotationType()) {
if (a.type.isErroneous() || a.type.tsym.isAnnotationType()) {
if (annotated.containsKey(a.type.tsym)) {
if (!allowRepeatedAnnos) {
log.error(DiagnosticFlag.SOURCE_LEVEL, a.pos(), Feature.REPEATED_ANNOTATIONS.error(sourceName));

79
test/langtools/tools/javac/processing/8268575/Processor.java Normal file
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@ -0,0 +1,79 @@
/*
* Copyright (c) 2021, 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.
*
* 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.
*/
import java.io.IOException;
import java.io.UncheckedIOException;
import java.io.Writer;
import java.util.Set;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.TypeElement;
import javax.lang.model.element.VariableElement;
import javax.tools.Diagnostic.Kind;
import javax.tools.JavaFileObject;
import java.util.List;
@SupportedAnnotationTypes("*")
public class Processor extends AbstractProcessor {
@Override
public SourceVersion getSupportedSourceVersion() {
return SourceVersion.latestSupported();
}
int round = 1;
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
processingEnv.getMessager().printMessage(Kind.NOTE, "round " + round);
Element t = processingEnv.getElementUtils().getTypeElement("T8268575");
for (Element e : t.getEnclosedElements()) {
if (e instanceof ExecutableElement) {
for (VariableElement p : ((ExecutableElement) e).getParameters()) {
List<? extends AnnotationMirror> annos = p.getAnnotationMirrors();
if (annos.size() != 1) {
throw new RuntimeException("Missing annotation in round " + round);
}
}
}
}
if (round == 1) {
String name = "A";
try {
JavaFileObject jfo = processingEnv.getFiler().createSourceFile(name);
try (Writer w = jfo.openWriter()) {
w.write("@interface " + name + " {}");
}
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
round++;
return false;
}
}

34
test/langtools/tools/javac/processing/8268575/T8268575.java Normal file
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@ -0,0 +1,34 @@
/*
* Copyright (c) 2021, 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.
*
* 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 8268575
* @summary Annotations not visible on model elements before they are generated
* @build Processor
* @compile -processor Processor T8268575.java
*/
class T8268575 {
void f(@A int x) {}
}