/usr/include/thunderbird-11.0.1/jscell.h is in thunderbird-dev 11.0.1+build1-0ubuntu2.
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*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is SpiderMonkey code.
*
* The Initial Developer of the Original Code is
* Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Gregor Wagner <anygregor@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef jscell_h___
#define jscell_h___
#include "jspubtd.h"
struct JSCompartment;
namespace js {
namespace gc {
struct ArenaHeader;
struct Chunk;
/* The GC allocation kinds. */
enum AllocKind {
FINALIZE_OBJECT0,
FINALIZE_OBJECT0_BACKGROUND,
FINALIZE_OBJECT2,
FINALIZE_OBJECT2_BACKGROUND,
FINALIZE_OBJECT4,
FINALIZE_OBJECT4_BACKGROUND,
FINALIZE_OBJECT8,
FINALIZE_OBJECT8_BACKGROUND,
FINALIZE_OBJECT12,
FINALIZE_OBJECT12_BACKGROUND,
FINALIZE_OBJECT16,
FINALIZE_OBJECT16_BACKGROUND,
FINALIZE_OBJECT_LAST = FINALIZE_OBJECT16_BACKGROUND,
FINALIZE_SCRIPT,
FINALIZE_SHAPE,
FINALIZE_BASE_SHAPE,
FINALIZE_TYPE_OBJECT,
#if JS_HAS_XML_SUPPORT
FINALIZE_XML,
#endif
FINALIZE_SHORT_STRING,
FINALIZE_STRING,
FINALIZE_EXTERNAL_STRING,
FINALIZE_LAST = FINALIZE_EXTERNAL_STRING
};
static const unsigned FINALIZE_LIMIT = FINALIZE_LAST + 1;
static const unsigned FINALIZE_OBJECT_LIMIT = FINALIZE_OBJECT_LAST + 1;
/*
* Live objects are marked black. How many other additional colors are available
* depends on the size of the GCThing. Objects marked gray are eligible for
* cycle collection.
*/
static const uint32_t BLACK = 0;
static const uint32_t GRAY = 1;
/*
* A GC cell is the base class for all GC things.
*/
struct Cell {
static const size_t CellShift = 3;
static const size_t CellSize = size_t(1) << CellShift;
static const size_t CellMask = CellSize - 1;
inline uintptr_t address() const;
inline ArenaHeader *arenaHeader() const;
inline Chunk *chunk() const;
inline AllocKind getAllocKind() const;
JS_ALWAYS_INLINE bool isMarked(uint32_t color = BLACK) const;
JS_ALWAYS_INLINE bool markIfUnmarked(uint32_t color = BLACK) const;
JS_ALWAYS_INLINE void unmark(uint32_t color) const;
inline JSCompartment *compartment() const;
#ifdef DEBUG
inline bool isAligned() const;
#endif
};
} /* namespace gc */
} /* namespace js */
#endif /* jscell_h___ */
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