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/*
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* Copyright (c) 2016, 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 8152771
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* @summary test tree access of module declarations
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* @library /tools/lib
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* @modules
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* jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.main
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* jdk.jdeps/com.sun.tools.javap
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* @build toolbox.ToolBox ModuleTestBase
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* @run main ModuleInfoTreeAccess
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*/
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import java.nio.file.Path;
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import javax.lang.model.element.ModuleElement;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.StandardJavaFileManager;
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import javax.tools.ToolProvider;
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import com.sun.source.doctree.DocCommentTree;
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import com.sun.source.util.JavacTask;
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import com.sun.source.util.TreePath;
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import com.sun.tools.javac.api.JavacTrees;
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import toolbox.ToolBox;
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public class ModuleInfoTreeAccess extends ModuleTestBase {
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public static void main(String... args) throws Exception {
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ModuleInfoTreeAccess t = new ModuleInfoTreeAccess();
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t.runTests();
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}
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private void assertNotNull(String prefix, Object actual) {
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if (actual == null) {
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throw new AssertionError(prefix + ": unexpected null! ");
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}
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}
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@Test
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public void testTreePathForModuleDecl(Path base) throws Exception {
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JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
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try (StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null)) {
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Path src = base.resolve("src");
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tb.writeJavaFiles(src, "/** Test module */ module m1 {}");
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Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(findJavaFiles(src));
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JavacTask task = (JavacTask) compiler.getTask(null, fm, null, null, null, files);
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task.analyze();
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JavacTrees trees = JavacTrees.instance(task);
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ModuleElement mdle = (ModuleElement) task.getElements().getModuleElement("m1");
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TreePath path = trees.getPath(mdle);
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assertNotNull("path", path);
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ModuleElement mdle1 = (ModuleElement) trees.getElement(path);
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assertNotNull("mdle1", mdle1);
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DocCommentTree docCommentTree = trees.getDocCommentTree(mdle);
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assertNotNull("docCommentTree", docCommentTree);
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}
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}
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}