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80 lines
3.1 KiB
C
80 lines
3.1 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsCycleCollector_h__
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#define nsCycleCollector_h__
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class nsISupports;
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class nsDeque;
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struct nsCycleCollectionTraversalCallback;
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// An nsCycleCollectionLanguageRuntime is a per-language object that
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// implements language-specific aspects of the cycle collection task.
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struct nsCycleCollectionLanguageRuntime
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{
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virtual nsresult BeginCycleCollection() = 0;
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virtual nsresult Traverse(void *p, nsCycleCollectionTraversalCallback &cb) = 0;
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virtual nsresult Root(const nsDeque &nodes) = 0;
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virtual nsresult Unlink(const nsDeque &nodes) = 0;
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virtual nsresult Unroot(const nsDeque &nodes) = 0;
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virtual nsresult FinishCycleCollection() = 0;
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};
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NS_COM PRBool nsCycleCollector_isScanSafe(nsISupports *n);
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NS_COM void nsCycleCollector_suspect(nsISupports *n);
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NS_COM void nsCycleCollector_suspectCurrent(nsISupports *n);
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NS_COM void nsCycleCollector_forget(nsISupports *n);
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NS_COM void nsCycleCollector_collect();
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NS_COM void nsCycleCollector_shutdown();
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#ifdef DEBUG
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NS_COM void nsCycleCollector_DEBUG_shouldBeFreed(nsISupports *n);
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NS_COM void nsCycleCollector_DEBUG_wasFreed(nsISupports *n);
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#endif
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// Helpers for interacting with language-identified scripts
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NS_COM void nsCycleCollector_registerRuntime(PRUint32 langID, nsCycleCollectionLanguageRuntime *rt);
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NS_COM void nsCycleCollector_forgetRuntime(PRUint32 langID);
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#endif // nsCycleCollector_h__
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