1 /*
 2  * Copyright (c) 2022, 2024, 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.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 package jdk.internal.classfile.impl;
26 
27 import java.lang.classfile.AccessFlags;
28 import java.lang.reflect.AccessFlag;

29 import java.util.Set;
30 
31 public final class AccessFlagsImpl extends AbstractElement
32         implements AccessFlags {
33 
34     private final AccessFlag.Location location;
35     private final int flagsMask;
36     private Set<AccessFlag> flags;
37 
38     public  AccessFlagsImpl(AccessFlag.Location location, AccessFlag... flags) {
39         this.location = location;
40         this.flagsMask = Util.flagsToBits(location, flags);
41         this.flags = Set.of(flags);
42     }
43 
44     public AccessFlagsImpl(AccessFlag.Location location, int mask) {
45         this.location = location;
46         this.flagsMask = mask;
47     }
48 
49     @Override
50     public int flagsMask() {
51         return flagsMask;
52     }
53 
54     @Override
55     public Set<AccessFlag> flags() {
56         if (flags == null)
57             flags = AccessFlag.maskToAccessFlags(flagsMask, location);
58         return flags;
59     }
60 
61     @Override
62     public void writeTo(DirectClassBuilder builder) {
63         builder.setFlags(flagsMask);
64     }
65 
66     @Override
67     public void writeTo(DirectMethodBuilder builder) {
68         builder.setFlags(flagsMask);
69     }
70 
71     @Override
72     public void writeTo(DirectFieldBuilder builder) {
73         builder.setFlags(flagsMask);
74     }
75 
76     @Override
77     public AccessFlag.Location location() {

 1 /*
 2  * Copyright (c) 2022, 2025, 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.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 package jdk.internal.classfile.impl;
26 
27 import java.lang.classfile.AccessFlags;
28 import java.lang.reflect.AccessFlag;
29 import java.lang.reflect.ClassFileFormatVersion;
30 import java.util.Set;
31 
32 public final class AccessFlagsImpl extends AbstractElement
33         implements AccessFlags {
34 
35     private final AccessFlag.Location location;
36     private final int flagsMask;
37     private Set<AccessFlag> flags;
38 
39     public  AccessFlagsImpl(AccessFlag.Location location, AccessFlag... flags) {
40         this.location = location;
41         this.flagsMask = Util.flagsToBits(location, flags);
42         this.flags = Set.of(flags);
43     }
44 
45     public AccessFlagsImpl(AccessFlag.Location location, int mask) {
46         this.location = location;
47         this.flagsMask = mask;
48     }
49 
50     @Override
51     public int flagsMask() {
52         return flagsMask;
53     }
54 
55     @Override
56     public Set<AccessFlag> flags() {
57         if (flags == null)
58             flags = AccessFlag.maskToAccessFlags(flagsMask, location, ClassFileFormatVersion.CURRENT_PREVIEW_FEATURES);
59         return flags;
60     }
61 
62     @Override
63     public void writeTo(DirectClassBuilder builder) {
64         builder.setFlags(flagsMask);
65     }
66 
67     @Override
68     public void writeTo(DirectMethodBuilder builder) {
69         builder.setFlags(flagsMask);
70     }
71 
72     @Override
73     public void writeTo(DirectFieldBuilder builder) {
74         builder.setFlags(flagsMask);
75     }
76 
77     @Override
78     public AccessFlag.Location location() {