1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5  * This code is free software; you can redistribute it and/or modify it
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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.
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20  * or visit www.oracle.com if you need additional information or have any
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22  */
23 
24 /*
25  * @test
26  * @bug 6397044
27  * @summary JCModifiers.getModifiers() returns incorrect Modifiers set.
28  * @modules jdk.compiler/com.sun.tools.javac.api
29  *          jdk.compiler/com.sun.tools.javac.code
30  *          jdk.compiler/com.sun.tools.javac.file
31  *          jdk.compiler/com.sun.tools.javac.tree
32  */
33 
34 import java.io.*;
35 import java.util.*;
36 import javax.tools.*;
37 import javax.lang.model.element.Modifier;
38 import com.sun.source.tree.*;
39 import com.sun.source.util.*;
40 import com.sun.tools.javac.api.JavacTool;
41 import com.sun.tools.javac.code.Flags;
42 import com.sun.tools.javac.tree.JCTree.JCModifiers;
43 
44 public abstract class T6397044 {
main(String[] args)45     public static void main(String[] args) throws Exception {
46         String srcDir = System.getProperty("test.src", ".");
47         String self = T6397044.class.getName();
48         JavacTool tool = JavacTool.create();
49         try (StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null)) {
50             Iterable<? extends JavaFileObject> files
51                 = fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(srcDir, self + ".java")));
52             JavacTask task = tool.getTask(null, fm, null, List.of("--release", "16"), null, files);
53             Iterable<? extends CompilationUnitTree> trees = task.parse();
54             Checker checker = new Checker();
55             for (CompilationUnitTree tree: trees)
56                 checker.check(tree);
57         }
58     }
59 
60     public int x_public;
61     protected int x_protected;
62     private int x_private;
x_abstract()63     abstract int x_abstract();
64     static int x_static;
65     final int x_final = 1;
66     transient int x_transient;
67     volatile int x_volatile;
x_synchronized()68     synchronized void x_synchronized() { }
x_native()69     native int x_native();
x_strictfp()70     strictfp void x_strictfp() { }
71 
72     static class Checker extends TreeScanner<Void,Void> {
check(Tree tree)73         void check(Tree tree) {
74             if (tree != null)
75                 tree.accept(this, null);
76         }
77 
check(List<? extends Tree> trees)78         void check(List<? extends Tree> trees) {
79             if (trees == null)
80                 return;
81             for (Tree tree: trees)
82                 check(tree);
83         }
84 
visitCompilationUnit(CompilationUnitTree tree, Void ignore)85         public Void visitCompilationUnit(CompilationUnitTree tree, Void ignore) {
86             check(tree.getTypeDecls());
87             return null;
88         }
89 
visitClass(ClassTree tree, Void ignore)90         public Void visitClass(ClassTree tree, Void ignore) {
91             check(tree.getMembers());
92             return null;
93         }
94 
visitMethod(MethodTree tree, Void ignore)95         public Void visitMethod(MethodTree tree, Void ignore) {
96             check(tree.getName(), tree.getModifiers());
97             return null;
98         }
99 
visitVariable(VariableTree tree, Void ignore)100         public Void visitVariable(VariableTree tree, Void ignore) {
101             check(tree.getName(), tree.getModifiers());
102             return null;
103         }
104 
check(CharSequence name, ModifiersTree modifiers)105         private void check(CharSequence name, ModifiersTree modifiers) {
106             long sysflags = ((JCModifiers) modifiers).flags;
107             System.err.println(name + ": " + modifiers.getFlags() + " | " + Flags.toString(sysflags));
108             if (name.toString().startsWith("x_")) {
109                 String expected = "[" + name.toString().substring(2) + "]";
110                 String found = modifiers.getFlags().toString();
111                 if (!found.equals(expected))
112                     throw new AssertionError("expected: " + expected + "; found: " + found);
113             }
114         }
115     }
116 }
117