1/*
2 * Copyright (c) 1994, 2003, 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
26package sun.tools.asm;
27
28import sun.tools.java.*;
29import java.io.IOException;
30import java.io.DataOutputStream;
31
32/**
33 * Base constant data class. Every constant pool data item
34 * is derived from this class.
35 *
36 * WARNING: The contents of this source file are not part of any
37 * supported API.  Code that depends on them does so at its own risk:
38 * they are subject to change or removal without notice.
39 */
40
41abstract class  ConstantPoolData implements RuntimeConstants {
42    int index;
43
44    /**
45     * Write the constant to the output stream
46     */
47    abstract void write(Environment env, DataOutputStream out, ConstantPool tab) throws IOException;
48
49    /**
50     * Return the order of the constant
51     */
52    int order() {
53        return 0;
54    }
55
56    /**
57     * Return the number of entries that it takes up in the constant pool
58     */
59    int width() {
60        return 1;
61    }
62}
63