/*
* Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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.
*
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*/
/*
* @test
* @bug 6440583
* @summary better error recovery
*/
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();
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;
}