2009-11-18 12:29:58 -08:00
|
|
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
|
|
* vim: set ts=8 sw=4 et tw=99:
|
|
|
|
*
|
|
|
|
* ***** 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 Mozilla Communicator client code, released
|
|
|
|
* March 31, 1998.
|
|
|
|
*
|
|
|
|
* The Initial Developer of the Original Code is
|
|
|
|
* Netscape Communications Corporation.
|
|
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
|
|
* the Initial Developer. All Rights Reserved.
|
|
|
|
*
|
|
|
|
* Contributor(s):
|
|
|
|
*
|
|
|
|
* 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 jsobjinlines_h___
|
|
|
|
#define jsobjinlines_h___
|
|
|
|
|
|
|
|
#include "jsobj.h"
|
|
|
|
#include "jsscope.h"
|
|
|
|
|
2010-03-30 14:42:48 -07:00
|
|
|
inline jsval
|
2010-04-05 18:32:16 -07:00
|
|
|
JSObject::getSlotMT(JSContext *cx, uintN slot)
|
|
|
|
{
|
2010-03-30 14:42:48 -07:00
|
|
|
#ifdef JS_THREADSAFE
|
|
|
|
/*
|
2010-03-31 22:13:51 -07:00
|
|
|
* If thread-safe, define a getSlotMT() that bypasses, for a native
|
2010-03-30 14:42:48 -07:00
|
|
|
* object, the lock-free "fast path" test of
|
|
|
|
* (OBJ_SCOPE(obj)->ownercx == cx), to avoid needlessly switching from
|
|
|
|
* lock-free to lock-full scope when doing GC on a different context
|
|
|
|
* from the last one to own the scope. The caller in this case is
|
|
|
|
* probably a JSClass.mark function, e.g., fun_mark, or maybe a
|
|
|
|
* finalizer.
|
|
|
|
*/
|
|
|
|
OBJ_CHECK_SLOT(this, slot);
|
|
|
|
return (OBJ_SCOPE(this)->title.ownercx == cx)
|
|
|
|
? LOCKED_OBJ_GET_SLOT(this, slot)
|
|
|
|
: js_GetSlotThreadSafe(cx, this, slot);
|
|
|
|
#else
|
|
|
|
return LOCKED_OBJ_GET_SLOT(this, slot);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
inline void
|
2010-04-05 18:32:16 -07:00
|
|
|
JSObject::setSlotMT(JSContext *cx, uintN slot, jsval value)
|
|
|
|
{
|
2010-03-30 14:42:48 -07:00
|
|
|
#ifdef JS_THREADSAFE
|
|
|
|
/* Thread-safe way to set a slot. */
|
|
|
|
OBJ_CHECK_SLOT(this, slot);
|
|
|
|
if (OBJ_SCOPE(this)->title.ownercx == cx)
|
|
|
|
LOCKED_OBJ_SET_SLOT(this, slot, value);
|
|
|
|
else
|
|
|
|
js_SetSlotThreadSafe(cx, this, slot, value);
|
|
|
|
#else
|
|
|
|
LOCKED_OBJ_SET_SLOT(this, slot, value);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2010-04-05 18:32:16 -07:00
|
|
|
inline uint32
|
|
|
|
JSObject::getArrayLength() const
|
|
|
|
{
|
|
|
|
JS_ASSERT(isArray());
|
|
|
|
return uint32(fslots[JSSLOT_ARRAY_LENGTH]);
|
|
|
|
}
|
|
|
|
|
|
|
|
inline uint32
|
|
|
|
JSObject::getArrayCount() const
|
|
|
|
{
|
|
|
|
JS_ASSERT(isArray());
|
|
|
|
return uint32(fslots[JSSLOT_ARRAY_COUNT]);
|
|
|
|
}
|
|
|
|
|
|
|
|
inline void
|
|
|
|
JSObject::setArrayLength(uint32 length)
|
|
|
|
{
|
|
|
|
JS_ASSERT(isArray());
|
|
|
|
fslots[JSSLOT_ARRAY_LENGTH] = length;
|
|
|
|
}
|
|
|
|
|
|
|
|
inline void
|
|
|
|
JSObject::setArrayCount(uint32 count)
|
|
|
|
{
|
|
|
|
JS_ASSERT(isArray());
|
|
|
|
fslots[JSSLOT_ARRAY_COUNT] = count;
|
|
|
|
}
|
|
|
|
|
|
|
|
inline void
|
|
|
|
JSObject::voidDenseArrayCount()
|
|
|
|
{
|
|
|
|
JS_ASSERT(isDenseArray());
|
|
|
|
fslots[JSSLOT_ARRAY_COUNT] = JSVAL_VOID;
|
|
|
|
}
|
|
|
|
|
|
|
|
inline void
|
|
|
|
JSObject::incArrayCountBy(uint32 posDelta)
|
|
|
|
{
|
|
|
|
JS_ASSERT(isArray());
|
|
|
|
fslots[JSSLOT_ARRAY_COUNT] += posDelta;
|
|
|
|
}
|
|
|
|
|
|
|
|
inline void
|
|
|
|
JSObject::decArrayCountBy(uint32 negDelta)
|
|
|
|
{
|
|
|
|
JS_ASSERT(isArray());
|
|
|
|
fslots[JSSLOT_ARRAY_COUNT] -= negDelta;
|
|
|
|
}
|
|
|
|
|
|
|
|
inline void
|
|
|
|
JSObject::voidArrayUnused()
|
|
|
|
{
|
|
|
|
JS_ASSERT(isArray());
|
|
|
|
fslots[JSSLOT_ARRAY_COUNT] = JSVAL_VOID;
|
|
|
|
}
|
|
|
|
|
2009-11-18 12:29:58 -08:00
|
|
|
inline void
|
|
|
|
JSObject::initSharingEmptyScope(JSClass *clasp, JSObject *proto, JSObject *parent,
|
|
|
|
jsval privateSlotValue)
|
|
|
|
{
|
|
|
|
init(clasp, proto, parent, privateSlotValue);
|
|
|
|
|
|
|
|
JSEmptyScope *emptyScope = OBJ_SCOPE(proto)->emptyScope;
|
|
|
|
JS_ASSERT(emptyScope->clasp == clasp);
|
|
|
|
emptyScope->hold();
|
|
|
|
map = emptyScope;
|
|
|
|
}
|
|
|
|
|
2009-12-30 03:06:26 -08:00
|
|
|
inline void
|
|
|
|
JSObject::freeSlotsArray(JSContext *cx)
|
|
|
|
{
|
|
|
|
JS_ASSERT(hasSlotsArray());
|
|
|
|
JS_ASSERT(size_t(dslots[-1]) > JS_INITIAL_NSLOTS);
|
|
|
|
cx->free(dslots - 1);
|
|
|
|
}
|
|
|
|
|
2010-01-14 09:33:14 -08:00
|
|
|
inline bool
|
|
|
|
JSObject::unbrand(JSContext *cx)
|
|
|
|
{
|
2010-03-31 22:13:51 -07:00
|
|
|
if (this->isNative()) {
|
2010-01-14 09:33:14 -08:00
|
|
|
JS_LOCK_OBJ(cx, this);
|
|
|
|
JSScope *scope = OBJ_SCOPE(this);
|
2010-01-26 22:50:17 -08:00
|
|
|
if (scope->isSharedEmpty()) {
|
2010-01-14 09:33:14 -08:00
|
|
|
scope = js_GetMutableScope(cx, this);
|
|
|
|
if (!scope) {
|
|
|
|
JS_UNLOCK_OBJ(cx, this);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
scope->setGeneric();
|
|
|
|
JS_UNLOCK_SCOPE(cx, scope);
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2010-03-28 20:32:20 -07:00
|
|
|
namespace js {
|
|
|
|
|
|
|
|
typedef Vector<PropertyDescriptor, 1> PropertyDescriptorArray;
|
|
|
|
|
|
|
|
class AutoDescriptorArray : private AutoGCRooter
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
AutoDescriptorArray(JSContext *cx)
|
|
|
|
: AutoGCRooter(cx, DESCRIPTORS), descriptors(cx)
|
|
|
|
{ }
|
|
|
|
|
|
|
|
PropertyDescriptor *append() {
|
|
|
|
if (!descriptors.append(PropertyDescriptor()))
|
|
|
|
return NULL;
|
|
|
|
return &descriptors.back();
|
|
|
|
}
|
|
|
|
|
|
|
|
PropertyDescriptor& operator[](size_t i) {
|
|
|
|
JS_ASSERT(i < descriptors.length());
|
|
|
|
return descriptors[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
friend void AutoGCRooter::trace(JSTracer *trc);
|
|
|
|
|
|
|
|
private:
|
|
|
|
PropertyDescriptorArray descriptors;
|
|
|
|
};
|
|
|
|
|
|
|
|
}
|
|
|
|
|
2009-11-18 12:29:58 -08:00
|
|
|
#endif /* jsobjinlines_h___ */
|