64 lines
2.2 KiB
Java
64 lines
2.2 KiB
Java
/*
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* Copyright (c) 2006, 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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* @test
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* @bug 6346973
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* @summary directSupertypes(t) should not return t
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* @author Scott Seligman
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* @build DirectSupersOfErr
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* @compile -processor DirectSupersOfErr -proc:only C1.java
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*/
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import java.util.Set;
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import javax.annotation.processing.*;
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import javax.lang.model.element.*;
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import javax.lang.model.type.*;
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import javax.lang.model.util.*;
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import static javax.lang.model.util.ElementFilter.*;
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@SupportedAnnotationTypes("*")
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public class DirectSupersOfErr extends AbstractProcessor {
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Types types;
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public void init(ProcessingEnvironment penv) {
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super.init(penv);
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types = penv.getTypeUtils();
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}
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public boolean process(Set<? extends TypeElement> tes,
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RoundEnvironment round) {
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if (round.processingOver()) return true;
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for (TypeElement te : typesIn(round.getRootElements())) {
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TypeMirror sup = te.getSuperclass();
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for (TypeMirror supOfSup : types.directSupertypes(sup)) {
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if (sup == supOfSup)
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throw new AssertionError("I'm my own supertype.");
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}
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}
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return true;
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}
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}
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