1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8197439 27 * @summary Ensuring that unresolvable anonymous class is still attributed. 28 * @modules jdk.compiler 29 */ 30 31 import java.io.*; 32 import java.net.*; 33 import java.util.*; 34 35 import javax.tools.*; 36 37 import com.sun.source.tree.CompilationUnitTree; 38 import com.sun.source.tree.IdentifierTree; 39 import com.sun.source.tree.MethodTree; 40 import com.sun.source.tree.VariableTree; 41 import com.sun.source.util.*; 42 43 public class BrokenAnonymous { 44 45 static class JavaSource extends SimpleJavaFileObject { 46 47 final static String source = 48 "class C {\n" + 49 " Object o1 = new Undef1() {" + 50 " int i = 0;\n" + 51 " int m(int j) { return i + j; }\n" + 52 " }\n" + 53 " Object o2 = new Undef2<>() {" + 54 " int i = 0;\n" + 55 " int m(int j) { return i + j; }\n" + 56 " }\n" + 57 "}"; 58 JavaSource()59 JavaSource() { 60 super(URI.create("myfo:/C.java"), JavaFileObject.Kind.SOURCE); 61 } 62 63 @Override getCharContent(boolean ignoreEncodingErrors)64 public CharSequence getCharContent(boolean ignoreEncodingErrors) { 65 return source; 66 } 67 } 68 main(String... args)69 public static void main(String... args) throws IOException { 70 new BrokenAnonymous().run(); 71 } 72 run()73 void run() throws IOException { 74 File destDir = new File("classes"); destDir.mkdir(); 75 final JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); 76 JavaSource source = new JavaSource(); 77 JavacTask ct = (JavacTask)tool.getTask(null, null, null, 78 Arrays.asList("-d", destDir.getPath()), 79 null, 80 Arrays.asList(source)); 81 CompilationUnitTree cut = ct.parse().iterator().next(); 82 Trees trees = Trees.instance(ct); 83 ct.analyze(); 84 new TreePathScanner<Void, Void>() { 85 @Override 86 public Void visitVariable(VariableTree node, Void p) { 87 verifyElementType(); 88 return super.visitVariable(node, p); 89 } 90 @Override 91 public Void visitMethod(MethodTree node, Void p) { 92 verifyElementType(); 93 return super.visitMethod(node, p); 94 } 95 @Override 96 public Void visitIdentifier(IdentifierTree node, Void p) { 97 verifyElementType(); 98 return super.visitIdentifier(node, p); 99 } 100 private void verifyElementType() { 101 TreePath tp = getCurrentPath(); 102 assertNotNull(trees.getElement(tp)); 103 assertNotNull(trees.getTypeMirror(tp)); 104 } 105 }.scan(cut, null); 106 } 107 assertNotNull(Object obj)108 private void assertNotNull(Object obj) { 109 if (obj == null) { 110 throw new AssertionError("Unexpected null value."); 111 } 112 } 113 } 114