| /* |
| * Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 6440583 |
| * @summary better error recovery |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.file |
| * jdk.compiler/com.sun.tools.javac.tree |
| * jdk.compiler/com.sun.tools.javac.util |
| */ |
| |
| import java.io.*; |
| import java.util.*; |
| import javax.tools.*; |
| import com.sun.source.tree.*; |
| import com.sun.source.util.*; |
| import com.sun.tools.javac.api.*; |
| import com.sun.tools.javac.tree.JCTree.*; |
| |
| public class T6440583 { |
| public static void main(String... args) throws Exception { |
| String testSrc = System.getProperty("test.src", "."); |
| String testClasses = System.getProperty("test.classes", "."); |
| JavacTool tool = JavacTool.create(); |
| try (StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null)) { |
| Iterable<? extends JavaFileObject> files = |
| fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, "A.java"))); |
| JavacTask task = tool.getTask(null, fm, null, null, null, files); |
| |
| Iterable<? extends Tree> trees = task.parse(); |
| |
| TreeScanner<Boolean,Void> checker = new TreeScanner<Boolean,Void>() { |
| public Boolean visitErroneous(ErroneousTree tree, Void ignore) { |
| JCErroneous etree = (JCErroneous) tree; |
| List<? extends Tree> errs = etree.getErrorTrees(); |
| System.err.println("errs: " + errs); |
| if (errs == null || errs.size() == 0) |
| throw new AssertionError("no error trees found"); |
| found = true; |
| return true; |
| } |
| }; |
| |
| for (Tree tree: trees) |
| checker.scan(tree, null); |
| |
| if (!found) |
| throw new AssertionError("no ErroneousTree nodes found"); |
| } |
| } |
| |
| private static boolean found; |
| } |