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6458749: TypeParameterElement.getEnclosedElements throws NPE within javac

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Reviewed-by: jjg
This commit is contained in:
Athijegannathan Sundararajan 2010-09-02 23:10:05 +05:30
parent ca3dbff3f8
commit 183a7b7797
2 changed files with 65 additions and 0 deletions
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3
langtools/src/share/classes/com/sun/tools/javac/code/Symbol.java
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@ -579,6 +579,9 @@ public abstract class Symbol implements Element {
public java.util.List<Symbol> getEnclosedElements() {
List<Symbol> list = List.nil();
if (kind == TYP && type.tag == TYPEVAR) {
return list;
}
for (Scope.Entry e = members().elems; e != null; e = e.sibling) {
if (e.sym != null && (e.sym.flags() & SYNTHETIC) == 0 && e.sym.owner == this)
list = list.prepend(e.sym);

62
langtools/test/tools/javac/T6458749.java Normal file
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@ -0,0 +1,62 @@
/*
* Copyright (c) 2010, 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 6458749
* @summary TypeParameterElement.getEnclosedElements() throws NPE within javac
* @build T6458749
* @compile -processor T6458749 -proc:only T6458749.java
*/
import java.util.Set;
import javax.annotation.processing.*;
import javax.lang.model.element.*;
import javax.lang.model.util.ElementFilter;
import javax.lang.model.SourceVersion;
@SupportedAnnotationTypes("*")
public class T6458749<T> extends AbstractProcessor {
public boolean process(Set<? extends TypeElement> tes, RoundEnvironment renv) {
if (!renv.processingOver()) {
for(TypeElement e : ElementFilter.typesIn(renv.getRootElements())) {
System.out.printf("Element %s:%n", e.toString());
try {
for (TypeParameterElement tp : e.getTypeParameters()) {
System.out.printf("Type param %s", tp.toString());
if (! tp.getEnclosedElements().isEmpty()) {
throw new AssertionError("TypeParameterElement.getEnclosedElements() should return empty list");
}
}
} catch (NullPointerException npe) {
throw new AssertionError("NPE from TypeParameterElement.getEnclosedElements()", npe);
}
}
}
return true;
}
public SourceVersion getSupportedSourceVersion() {
return SourceVersion.latest();
}
}