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https://github.com/Samsung/escargot.git
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8fa6031fec
* check index property set in DerivedObject::defineOwnProperty method only * index property check is removed for normal Object because PrototypeObject would check it instead Signed-off-by: HyukWoo Park <hyukwoo.park@samsung.com>
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
/*
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* Copyright (c) 2021-present Samsung Electronics Co., Ltd
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*/
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#include "Escargot.h"
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#include "WeakRefObject.h"
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#include "ArrayObject.h"
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#include "Context.h"
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namespace Escargot {
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WeakRefObject::WeakRefObject(ExecutionState& state, Object* target)
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: WeakRefObject(state, state.context()->globalObject()->weakRefPrototype(), target)
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{
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}
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WeakRefObject::WeakRefObject(ExecutionState& state, Object* proto, Object* target)
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: DerivedObject(state, proto)
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, m_target(target)
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{
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ASSERT(m_target);
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m_target->addFinalizer(WeakRefObject::finalizer, this);
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addFinalizer([](Object* self, void* data) {
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WeakRefObject* s = (WeakRefObject*)self;
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if (s->m_target) {
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s->m_target->removeFinalizer(WeakRefObject::finalizer, self);
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s->m_target = nullptr;
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}
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},
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nullptr);
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}
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void WeakRefObject::finalizer(Object* self, void* data)
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{
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WeakRefObject* s = (WeakRefObject*)data;
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ASSERT(s->m_target);
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s->m_target = nullptr;
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}
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void* WeakRefObject::operator new(size_t size)
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{
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#ifdef NDEBUG
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static MAY_THREAD_LOCAL bool typeInited = false;
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static MAY_THREAD_LOCAL GC_descr descr;
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if (!typeInited) {
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GC_word obj_bitmap[GC_BITMAP_SIZE(WeakRefObject)] = { 0 };
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Object::fillGCDescriptor(obj_bitmap);
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descr = GC_make_descriptor(obj_bitmap, GC_WORD_LEN(WeakRefObject));
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typeInited = true;
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}
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return GC_MALLOC_EXPLICITLY_TYPED(size, descr);
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#else
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return CustomAllocator<WeakRefObject>().allocate(1);
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#endif
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}
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bool WeakRefObject::deleteOperation(ExecutionState& state)
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{
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if (m_target) {
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m_target->removeFinalizer(WeakRefObject::finalizer, this);
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m_target = nullptr;
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return true;
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}
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return false;
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}
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} // namespace Escargot
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