80 lines
3.8 KiB
Java
80 lines
3.8 KiB
Java
/*
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* Copyright (c) 2013, 2014, 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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import com.sun.source.tree.CompilationUnitTree;
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import com.sun.source.tree.IdentifierTree;
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import com.sun.source.tree.MemberSelectTree;
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import com.sun.source.util.JavacTask;
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import com.sun.source.util.TreePathScanner;
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import com.sun.source.util.Trees;
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import com.sun.tools.javac.api.JavacTool;
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import com.sun.tools.javac.file.JavacFileManager;
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import java.io.File;
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import java.io.IOException;
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import java.net.URISyntaxException;
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import java.util.Collections;
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import javax.lang.model.element.Element;
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import javax.lang.model.element.ElementKind;
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public class VerifyAnnotationsAttributed {
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public static void main(String... args) throws IOException, URISyntaxException {
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if (args.length != 1) throw new IllegalStateException("Must provide class name!");
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File testSrc = new File(System.getProperty("test.src"));
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File testFile = new File(testSrc, args[0]);
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if (!testFile.canRead()) throw new IllegalStateException("Cannot read the test source");
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try (JavacFileManager fm = JavacTool.create().getStandardFileManager(null, null, null)) {
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JavacTask task = JavacTool.create().getTask(null,
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fm,
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null,
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Collections.<String>emptyList(),
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null,
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fm.getJavaFileObjects(testFile));
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final Trees trees = Trees.instance(task);
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final CompilationUnitTree cut = task.parse().iterator().next();
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task.analyze();
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//ensure all the annotation attributes are annotated meaningfully
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//all the attributes in the test file should contain either an identifier
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//or a select, so only checking those for a reasonable Element/Symbol.
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new TreePathScanner<Void, Void>() {
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@Override
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public Void visitIdentifier(IdentifierTree node, Void p) {
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verifyAttributedMeaningfully();
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return super.visitIdentifier(node, p);
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}
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@Override
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public Void visitMemberSelect(MemberSelectTree node, Void p) {
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verifyAttributedMeaningfully();
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return super.visitMemberSelect(node, p);
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}
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private void verifyAttributedMeaningfully() {
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Element el = trees.getElement(getCurrentPath());
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if (el == null || el.getKind() == ElementKind.OTHER) {
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throw new IllegalStateException("Not attributed properly: " + getCurrentPath().getParentPath().getLeaf());
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}
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}
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}.scan(cut, null);
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}
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}
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}
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