T6412669.java revision 3573:c4a18ee691c4 
1/*
2 * Copyright (c) 2006, 2016, 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 6412669 6997958
27 * @summary Should be able to get SourcePositions from 269 world
28 * @modules jdk.compiler/com.sun.tools.javac.api
29 *          jdk.compiler/com.sun.tools.javac.file
30 */
31
32import java.io.*;
33import java.net.*;
34import java.util.*;
35import javax.annotation.*;
36import javax.annotation.processing.*;
37import javax.lang.model.*;
38import javax.lang.model.element.*;
39import javax.tools.*;
40import com.sun.source.util.*;
41import com.sun.tools.javac.api.*;
42
43@SupportedAnnotationTypes("*")
44public class T6412669 extends AbstractProcessor {
45    public static void main(String... args) throws Exception {
46        File testSrc = new File(System.getProperty("test.src", "."));
47        File testClasses = new File(System.getProperty("test.classes", "."));
48
49        JavacTool tool = JavacTool.create();
50        try (StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null)) {
51            fm.setLocation(StandardLocation.CLASS_PATH, Arrays.asList(testClasses));
52            Iterable<? extends JavaFileObject> files =
53                fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, T6412669.class.getName()+".java")));
54            String[] opts = {
55                "-proc:only",
56                "-processor", T6412669.class.getName(),
57                "--add-exports", "jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED"
58            };
59            StringWriter sw = new StringWriter();
60            JavacTask task = tool.getTask(sw, fm, null, Arrays.asList(opts), null, files);
61            boolean ok = task.call();
62            String out = sw.toString();
63            if (!out.isEmpty())
64                System.err.println(out);
65            if (!ok)
66                throw new AssertionError("compilation of test program failed");
67            // verify we found an annotated element to exercise the SourcePositions API
68            if (!out.contains("processing element"))
69                throw new AssertionError("expected text not found in compilation output");
70        }
71    }
72
73    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
74        Trees trees = Trees.instance(processingEnv);
75        SourcePositions sp = trees.getSourcePositions();
76        Messager m = processingEnv.getMessager();
77        m.printMessage(Diagnostic.Kind.NOTE, "processing annotations");
78        int count = 0;
79        for (TypeElement anno: annotations) {
80            count++;
81            m.printMessage(Diagnostic.Kind.NOTE, "  processing annotation " + anno);
82            for (Element e: roundEnv.getElementsAnnotatedWith(anno)) {
83                m.printMessage(Diagnostic.Kind.NOTE, "    processing element " + e);
84                TreePath p = trees.getPath(e);
85                long start = sp.getStartPosition(p.getCompilationUnit(), p.getLeaf());
86                long end = sp.getEndPosition(p.getCompilationUnit(), p.getLeaf());
87                Diagnostic.Kind k = (start > 0 && end > 0 && start < end
88                                     ? Diagnostic.Kind.NOTE : Diagnostic.Kind.ERROR);
89                m.printMessage(k, "test [" + start + "," + end + "]", e);
90            }
91        }
92        if (count == 0)
93            m.printMessage(Diagnostic.Kind.NOTE, "no annotations found");
94        return true;
95    }
96
97    @Override
98    public SourceVersion getSupportedSourceVersion() {
99        return SourceVersion.latest();
100    }
101}
102