01: /*
02: * Copyright 2001-2005 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * 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: @Version("@(#)Todo.java 1.17 07/05/05")
38: public class Todo extends ListBuffer<Env<AttrContext>> {
39: /** The context key for the todo list. */
40: protected static final Context.Key<Todo> todoKey = 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: }
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