Thu, 10 Oct 2013 14:58:04 +0200
8001931: The new build system whitespace cleanup
Reviewed-by: tbell, simonis, erikj
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 }