jdk

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/*
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 * Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 6423583
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 * @summary LiteralTree.getValue() should return Boolean for Kind.BOOLEAN_LITERAL literals
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 * @modules jdk.compiler
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 * @build T6423583
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 * @compile -proc:only -processor T6423583 T6423583.java
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 */
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import java.util.*;
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import javax.annotation.processing.*;
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import javax.lang.model.*;
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import javax.lang.model.element.*;
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import com.sun.source.tree.*;
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import com.sun.source.util.*;
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@SupportedAnnotationTypes("*")
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public class T6423583 extends AbstractProcessor {
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    boolean b1 = true;
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    boolean b2 = false;
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    String s = "s";
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    char c = 'c';
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    int i = 0;
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    long l = 0l;
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    float f = 0f;
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    double d = 0d;
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    Void v = null;
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    public boolean process(Set<? extends TypeElement> annos, RoundEnvironment rEnv) {
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        Trees trees = Trees.instance(processingEnv);
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        Test test = new Test();
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        for (Element e: rEnv.getRootElements()) {
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            Tree t = trees.getTree(e);
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            test.scan(t, null);
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        }
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        return true;
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    }
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    @Override
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    public SourceVersion getSupportedSourceVersion() {
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        return SourceVersion.latest();
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    }
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    private static class Test extends TreeScanner<Void,Void> {
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        private static Map<Tree.Kind, Class> map = new HashMap<Tree.Kind, Class>();
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        static {
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            map.put(Tree.Kind.BOOLEAN_LITERAL, Boolean.class);
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            map.put(Tree.Kind.CHAR_LITERAL, Character.class);
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            map.put(Tree.Kind.STRING_LITERAL, String.class);
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            map.put(Tree.Kind.INT_LITERAL, Integer.class);
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            map.put(Tree.Kind.LONG_LITERAL, Long.class);
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            map.put(Tree.Kind.FLOAT_LITERAL, Float.class);
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            map.put(Tree.Kind.DOUBLE_LITERAL, Double.class);
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        }
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        public Void visitLiteral(LiteralTree tree, Void ignore) {
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            System.err.println(tree);
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            Class expect = map.get(tree.getKind());
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            if (!check(tree.getValue(), expect)) {
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                System.err.println("tree: " + tree);
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                System.err.println("expected class: " + expect);
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                if (tree.getValue() != null)
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                    System.err.println("actual class: " + tree.getValue().getClass());
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                throw new AssertionError("unexpected value for literal");
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            }
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            return null;
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        }
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        private boolean check(Object value, Class<?> expectedClass) {
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            return (value == null ? expectedClass == null : value.getClass().equals(expectedClass));
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        }
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    }
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}
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