OverEager.java revision 1465:b52a38d4536c 
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 */
23
24/*
25 * @test
26 * @bug     6362178
27 * @summary MirroredType[s]Exception shouldn't be created too eagerly
28 * @author  Scott Seligman
29 * @library /tools/javac/lib
30 * @build JavacTestingAbstractProcessor
31 * @compile -g OverEager.java
32 * @compile -processor OverEager -proc:only OverEager.java
33 */
34
35import java.util.Set;
36import javax.annotation.processing.*;
37import javax.lang.model.SourceVersion;
38import javax.lang.model.element.*;
39import javax.lang.model.type.*;
40import javax.lang.model.util.*;
41import static javax.lang.model.util.ElementFilter.*;
42
43@SupportedAnnotationTypes("IAm")
44@IAm(OverEager.class)
45public class OverEager extends JavacTestingAbstractProcessor {
46    public boolean process(Set<? extends TypeElement> annoTypes,
47                           RoundEnvironment round) {
48        if (!round.processingOver())
49            doit(annoTypes, round);
50        return true;
51    }
52
53    private void doit(Set<? extends TypeElement> annoTypes,
54                      RoundEnvironment round) {
55        for (TypeElement t : typesIn(round.getRootElements())) {
56            IAm anno = t.getAnnotation(IAm.class);
57            if (anno != null)
58                checkAnno(anno);
59        }
60    }
61
62    private void checkAnno(IAm anno) {
63        try {
64            anno.value();
65            throw new AssertionError();
66        } catch (MirroredTypeException e) {
67            System.out.println("Looking for checkAnno in this stack trace:");
68            e.printStackTrace();
69            for (StackTraceElement frame : e.getStackTrace()) {
70                if (frame.getMethodName() == "checkAnno")
71                    return;
72            }
73            throw new AssertionError();
74        }
75    }
76}
77
78@interface IAm {
79    Class<?> value();
80}
81