ddf6846500
Ensuring unresolvable anonymous classes are attributed. Reviewed-by: mcimadamore, sadayapalam
114 lines
3.9 KiB
Java
114 lines
3.9 KiB
Java
/*
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* Copyright (c) 2018, 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 8197439
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* @summary Ensuring that unresolvable anonymous class is still attributed.
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* @modules jdk.compiler
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*/
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import java.io.*;
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import java.net.*;
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import java.util.*;
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import javax.tools.*;
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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.MethodTree;
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import com.sun.source.tree.VariableTree;
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import com.sun.source.util.*;
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public class BrokenAnonymous {
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static class JavaSource extends SimpleJavaFileObject {
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final static String source =
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"class C {\n" +
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" Object o1 = new Undef1() {" +
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" int i = 0;\n" +
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" int m(int j) { return i + j; }\n" +
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" }\n" +
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" Object o2 = new Undef2<>() {" +
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" int i = 0;\n" +
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" int m(int j) { return i + j; }\n" +
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" }\n" +
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"}";
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JavaSource() {
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super(URI.create("myfo:/C.java"), JavaFileObject.Kind.SOURCE);
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}
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@Override
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public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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return source;
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}
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}
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public static void main(String... args) throws IOException {
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new BrokenAnonymous().run();
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}
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void run() throws IOException {
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File destDir = new File("classes"); destDir.mkdir();
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final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
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JavaSource source = new JavaSource();
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JavacTask ct = (JavacTask)tool.getTask(null, null, null,
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Arrays.asList("-d", destDir.getPath()),
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null,
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Arrays.asList(source));
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CompilationUnitTree cut = ct.parse().iterator().next();
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Trees trees = Trees.instance(ct);
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ct.analyze();
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new TreePathScanner<Void, Void>() {
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@Override
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public Void visitVariable(VariableTree node, Void p) {
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verifyElementType();
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return super.visitVariable(node, p);
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}
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@Override
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public Void visitMethod(MethodTree node, Void p) {
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verifyElementType();
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return super.visitMethod(node, p);
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}
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@Override
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public Void visitIdentifier(IdentifierTree node, Void p) {
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verifyElementType();
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return super.visitIdentifier(node, p);
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}
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private void verifyElementType() {
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TreePath tp = getCurrentPath();
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assertNotNull(trees.getElement(tp));
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assertNotNull(trees.getTypeMirror(tp));
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}
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}.scan(cut, null);
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}
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private void assertNotNull(Object obj) {
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if (obj == null) {
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throw new AssertionError("Unexpected null value.");
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}
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}
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}
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