1 | /* |
2 | * Copyright 2001-2005 Sun Microsystems, Inc. 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. Sun designates this |
8 | * particular file as subject to the "Classpath" exception as provided |
9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
23 | * have any questions. |
24 | */ |
25 | |
26 | package com.sun.tools.javac.comp; |
27 | |
28 | import com.sun.tools.javac.util.*; |
29 | |
30 | /** A queue of all as yet unattributed classes. |
31 | * |
32 | * <p><b>This is NOT part of any API supported by Sun Microsystems. If |
33 | * you write code that depends on this, you do so at your own risk. |
34 | * This code and its internal interfaces are subject to change or |
35 | * deletion without notice.</b> |
36 | */ |
37 | public class Todo extends ListBuffer<Env<AttrContext>> { |
38 | /** The context key for the todo list. */ |
39 | protected static final Context.Key<Todo> todoKey = |
40 | new Context.Key<Todo>(); |
41 | |
42 | /** Get the Todo instance for this context. */ |
43 | public static Todo instance(Context context) { |
44 | Todo instance = context.get(todoKey); |
45 | if (instance == null) |
46 | instance = new Todo(context); |
47 | return instance; |
48 | } |
49 | |
50 | /** Create a new todo list. */ |
51 | protected Todo(Context context) { |
52 | context.put(todoKey, this); |
53 | } |
54 | } |