1 /*
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 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
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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25 
26 package jdk.incubator.code;
27 
28 /**
29  * A code item, one of {@link CodeElement}, {@link Value value},
30  * {@link Block.Reference block reference}, or {@link CodeType code type},
31  * is an item in a code model.
32  * <p>
33  * Code elements form a tree.
34  * Values and block references form graph-like relationships
35  * (dependency/use graphs and control flow graphs, respectively).
36  * Code types classify values.
37  *
38  * @sealedGraph
39  */
40 public sealed interface CodeItem
41         permits CodeElement, Value, Block.Reference, CodeType {
42     // @@@ Common functionality between elements and values?
43 }