test/tools/javac/processing/T6439826.java

Wed, 27 Apr 2016 01:34:52 +0800

author
aoqi
date
Wed, 27 Apr 2016 01:34:52 +0800
changeset 0
959103a6100f
child 2525
2eb010b6cb22
permissions
-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

     1 /*
     2  * Copyright (c) 2006, 2010, 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  */
    24 /*
    25  * @test
    26  * @bug 6439826 6411930 6380018 6392177
    27  * @summary Exception issuing Diagnostic while processing generated errant code
    28  */
    30 import java.io.*;
    31 import java.util.*;
    32 import javax.annotation.processing.*;
    33 import javax.lang.model.*;
    34 import javax.lang.model.element.*;
    35 import javax.tools.*;
    36 import com.sun.source.util.*;
    37 import com.sun.tools.javac.api.*;
    38 import static javax.lang.model.util.ElementFilter.*;
    41 @SupportedAnnotationTypes("*")
    42 public class T6439826 extends AbstractProcessor {
    43     public static void main(String... args) {
    44         String testSrc = System.getProperty("test.src", ".");
    45         String testClasses = System.getProperty("test.classes");
    46         JavacTool tool = JavacTool.create();
    47         MyDiagListener dl = new MyDiagListener();
    48         StandardJavaFileManager fm = tool.getStandardFileManager(dl, null, null);
    49         Iterable<? extends JavaFileObject> files =
    50             fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, T6439826.class.getName()+".java")));
    51         Iterable<String> opts = Arrays.asList("-proc:only",
    52                                               "-processor", "T6439826",
    53                                               "-processorpath", testClasses);
    54         StringWriter out = new StringWriter();
    55         JavacTask task = tool.getTask(out, fm, dl, opts, null, files);
    56         task.call();
    57         String s = out.toString();
    58         System.err.print(s);
    59         // Expect the following 2 diagnostics, and no output to log
    60         //   Foo.java:1: illegal character: \35
    61         //   Foo.java:1: reached end of file while parsing
    62         System.err.println(dl.count + " diagnostics; " + s.length() + " characters");
    63         if (dl.count != 2 || s.length() != 0)
    64             throw new AssertionError("unexpected output from compiler");
    65     }
    67     public boolean process(Set<? extends TypeElement> annotations,
    68                            RoundEnvironment roundEnv) {
    69         Set<? extends TypeElement> elems = typesIn(roundEnv.getRootElements());
    70         for (TypeElement e: elems) {
    71             if (e.getSimpleName().toString().equals(T6439826.class.getName()))
    72                 writeBadFile();
    73         }
    74         return false;
    75     }
    77     @Override
    78     public SourceVersion getSupportedSourceVersion() {
    79         return SourceVersion.latest();
    80     }
    82     private void writeBadFile() {
    83         Filer filer = processingEnv.getFiler();
    84         Messager messager = processingEnv.getMessager();
    85         try {
    86             Writer out = filer.createSourceFile("Foo").openWriter();
    87             out.write("class Foo #"); // write a file that generates a scanner error
    88             out.close();
    89         } catch (IOException e) {
    90             messager.printMessage(Diagnostic.Kind.ERROR, e.toString());
    91         }
    92     }
    94     static class MyDiagListener implements DiagnosticListener {
    95         public void report(Diagnostic d) {
    96             System.err.println(d);
    97             count++;
    98         }
   100         public int count;
   101     }
   102 }

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