1/*
2 * Copyright (c) 2006, 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 6423583
27 * @summary LiteralTree.getValue() should return Boolean for Kind.BOOLEAN_LITERAL literals
28 * @modules jdk.compiler
29 * @build T6423583
30 * @compile -proc:only -processor T6423583 T6423583.java
31 */
32
33import java.util.*;
34import javax.annotation.processing.*;
35import javax.lang.model.*;
36import javax.lang.model.element.*;
37import com.sun.source.tree.*;
38import com.sun.source.util.*;
39
40@SupportedAnnotationTypes("*")
41public class T6423583 extends AbstractProcessor {
42    boolean b1 = true;
43    boolean b2 = false;
44    String s = "s";
45    char c = 'c';
46    int i = 0;
47    long l = 0l;
48    float f = 0f;
49    double d = 0d;
50    Void v = null;
51
52    public boolean process(Set<? extends TypeElement> annos, RoundEnvironment rEnv) {
53        Trees trees = Trees.instance(processingEnv);
54        Test test = new Test();
55        for (Element e: rEnv.getRootElements()) {
56            Tree t = trees.getTree(e);
57            test.scan(t, null);
58        }
59        return true;
60    }
61
62    @Override
63    public SourceVersion getSupportedSourceVersion() {
64        return SourceVersion.latest();
65    }
66
67    private static class Test extends TreeScanner<Void,Void> {
68
69        private static Map<Tree.Kind, Class> map = new HashMap<Tree.Kind, Class>();
70        static {
71            map.put(Tree.Kind.BOOLEAN_LITERAL, Boolean.class);
72            map.put(Tree.Kind.CHAR_LITERAL, Character.class);
73            map.put(Tree.Kind.STRING_LITERAL, String.class);
74            map.put(Tree.Kind.INT_LITERAL, Integer.class);
75            map.put(Tree.Kind.LONG_LITERAL, Long.class);
76            map.put(Tree.Kind.FLOAT_LITERAL, Float.class);
77            map.put(Tree.Kind.DOUBLE_LITERAL, Double.class);
78        }
79
80        public Void visitLiteral(LiteralTree tree, Void ignore) {
81            System.err.println(tree);
82            Class expect = map.get(tree.getKind());
83            if (!check(tree.getValue(), expect)) {
84                System.err.println("tree: " + tree);
85                System.err.println("expected class: " + expect);
86                if (tree.getValue() != null)
87                    System.err.println("actual class: " + tree.getValue().getClass());
88                throw new AssertionError("unexpected value for literal");
89            }
90            return null;
91        }
92
93        private boolean check(Object value, Class<?> expectedClass) {
94            return (value == null ? expectedClass == null : value.getClass().equals(expectedClass));
95        }
96    }
97}
98