Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright 2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

  * CA 95054 USA or visit www.sun.com if you need additional information or

  * have any questions.

  */

 /*

  * @test

  * @bug 6439826 6411930 6380018 6392177

  * @summary Exception issuing Diagnostic while processing generated errant code

  */

 import java.io.*;

 import java.util.*;

 import javax.annotation.processing.*;

 import javax.lang.model.*;

 import javax.lang.model.element.*;

 import javax.tools.*;

 import com.sun.source.util.*;

 import com.sun.tools.javac.api.*;

 import static javax.lang.model.util.ElementFilter.*;

 @SupportedAnnotationTypes("*")

 @SupportedSourceVersion(SourceVersion.RELEASE_7 )

 public class T6439826 extends AbstractProcessor {

     public static void main(String... args) {

         String testSrc = System.getProperty("test.src", ".");

         String testClasses = System.getProperty("test.classes");

         JavacTool tool = JavacTool.create();

         MyDiagListener dl = new MyDiagListener();

         StandardJavaFileManager fm = tool.getStandardFileManager(dl, null, null);

         Iterable<? extends JavaFileObject> files =

             fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, T6439826.class.getName()+".java")));

         Iterable<String> opts = Arrays.asList("-source","1.6",

                                               "-proc:only",

                                               "-processor", "T6439826",

                                               "-processorpath", testClasses);

         StringWriter out = new StringWriter();

         JavacTask task = tool.getTask(out, fm, dl, opts, null, files);

         task.call();

         String s = out.toString();

         System.err.print(s);

         // Expect the following 2 diagnostics, and no output to log

         //   Foo.java:1: illegal character: \35

         //   Foo.java:1: reached end of file while parsing

         System.err.println(dl.count + " diagnostics; " + s.length() + " characters");

         if (dl.count != 2 || s.length() != 0)

             throw new AssertionError("unexpected output from compiler");

     }

     public boolean process(Set<? extends TypeElement> annotations,

                            RoundEnvironment roundEnv) {

         Set<? extends TypeElement> elems = typesIn(roundEnv.getRootElements());

         for (TypeElement e: elems) {

             if (e.getSimpleName().toString().equals(T6439826.class.getName()))

                 writeBadFile();

         }

         return false;

     }

     private void writeBadFile() {

         Filer filer = processingEnv.getFiler();

         Messager messager = processingEnv.getMessager();

         try {

             Writer out = filer.createSourceFile("Foo").openWriter();

             out.write("class Foo #"); // write a file that generates a scanner error

             out.close();

         } catch (IOException e) {

             messager.printMessage(Diagnostic.Kind.ERROR, e.toString());

         }

     }

     static class MyDiagListener implements DiagnosticListener {

         public void report(Diagnostic d) {

             System.err.println(d);

             count++;

         }

         public int count;

     }

 }