1 /*

     2  * Copyright 2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 6423583

    27  * @summary LiteralTree.getValue() should return Boolean for Kind.BOOLEAN_LITERAL literals

    28  * @build T6423583

    29  * @compile -proc:only -processor T6423583 T6423583.java

    30  */

    31 

    32 import java.util.*;

    33 import javax.annotation.processing.*;

    34 import javax.lang.model.*;

    35 import javax.lang.model.element.*;

    36 import com.sun.source.tree.*;

    37 import com.sun.source.util.*;

    38 

    39 @SupportedAnnotationTypes("*")

    40 @SupportedSourceVersion(SourceVersion.RELEASE_6)

    41 public 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 

    63     private static class Test extends TreeScanner<Void,Void> {

    64 

    65         private static Map<Tree.Kind, Class> map = new HashMap<Tree.Kind, Class>();

    66         static {

    67             map.put(Tree.Kind.BOOLEAN_LITERAL, Boolean.class);

    68             map.put(Tree.Kind.CHAR_LITERAL, Character.class);

    69             map.put(Tree.Kind.STRING_LITERAL, String.class);

    70             map.put(Tree.Kind.INT_LITERAL, Integer.class);

    71             map.put(Tree.Kind.LONG_LITERAL, Long.class);

    72             map.put(Tree.Kind.FLOAT_LITERAL, Float.class);

    73             map.put(Tree.Kind.DOUBLE_LITERAL, Double.class);

    74         }

    75 

    76         public Void visitLiteral(LiteralTree tree, Void ignore) {

    77             System.err.println(tree);

    78             Class expect = map.get(tree.getKind());

    79             if (!check(tree.getValue(), expect)) {

    80                 System.err.println("tree: " + tree);

    81                 System.err.println("expected class: " + expect);

    82                 if (tree.getValue() != null)

    83                     System.err.println("actual class: " + tree.getValue().getClass());

    84                 throw new AssertionError("unexpected value for literal");

    85             }

    86             return null;

    87         }

    88 

    89         private boolean check(Object value, Class<?> expectedClass) {

    90             return (value == null ? expectedClass == null : value.getClass().equals(expectedClass));

    91         }

    92     }

    93 }