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 }