1/*
2 * Copyright (c) 2011, 2015, 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 7090249
27 * @summary IllegalStateException from Trees.getScope when called from JSR 199
28 * @modules jdk.compiler
29 */
30
31import com.sun.source.tree.IdentifierTree;
32import java.io.File;
33import java.io.IOException;
34import java.util.Arrays;
35import java.util.Collections;
36import java.util.List;
37import java.util.Set;
38import javax.annotation.processing.AbstractProcessor;
39import javax.annotation.processing.RoundEnvironment;
40import javax.lang.model.element.Element;
41import javax.lang.model.element.TypeElement;
42import javax.tools.JavaCompiler;
43import javax.tools.JavaFileObject;
44import javax.tools.StandardJavaFileManager;
45import javax.tools.ToolProvider;
46
47import com.sun.source.util.JavacTask;
48import com.sun.source.util.TreePath;
49import com.sun.source.util.TreePathScanner;
50import com.sun.source.util.Trees;
51import javax.annotation.processing.SupportedAnnotationTypes;
52import javax.lang.model.SourceVersion;
53
54@SupportedAnnotationTypes("*")
55public class TestGetScope extends AbstractProcessor {
56    public static void main(String... args) throws IOException {
57        new TestGetScope().run();
58    }
59
60    public void run() throws IOException {
61        File srcDir = new File(System.getProperty("test.src"));
62        File thisFile = new File(srcDir, getClass().getName() + ".java");
63
64        JavaCompiler c = ToolProvider.getSystemJavaCompiler();
65        try (StandardJavaFileManager fm = c.getStandardFileManager(null, null, null)) {
66
67            List<String> opts = Arrays.asList("-proc:only", "-doe");
68            Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(thisFile);
69            JavacTask t = (JavacTask) c.getTask(null, fm, null, opts, null, files);
70            t.setProcessors(Collections.singleton(this));
71            boolean ok = t.call();
72            if (!ok)
73                throw new Error("compilation failed");
74        }
75    }
76
77    @Override
78    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
79        Trees trees = Trees.instance(processingEnv);
80        if (round++ == 0) {
81            for (Element e: roundEnv.getRootElements()) {
82                TreePath p = trees.getPath(e);
83                new Scanner().scan(p, trees);
84            }
85        }
86        return false;
87    }
88
89    @Override
90    public SourceVersion getSupportedSourceVersion() {
91        return SourceVersion.latest();
92    }
93
94    int round;
95
96    static class Scanner extends TreePathScanner<Void,Trees> {
97        @Override
98        public Void visitIdentifier(IdentifierTree t, Trees trees) {
99            System.err.println("visitIdentifier: " + t);
100            trees.getScope(getCurrentPath());
101            return null;
102        }
103    }
104}
105