| 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 | } |