| /* |
| * Copyright (C) 2021 Apple Inc. All rights reserved. |
| * Copyright (C) 2021 Igalia S.A. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "BrandedStructure.h" |
| |
| #include "JSCInlines.h" |
| |
| namespace JSC { |
| |
| BrandedStructure::BrandedStructure(VM& vm, Structure* previous, UniquedStringImpl* brandUid, DeferredStructureTransitionWatchpointFire* deferred) |
| : Structure(vm, previous, deferred) |
| , m_brand(brandUid) |
| { |
| if (previous->isBrandedStructure()) |
| m_parentBrand.set(vm, this, jsCast<BrandedStructure*>(previous)); |
| this->setIsBrandedStructure(true); |
| } |
| |
| BrandedStructure::BrandedStructure(VM& vm, BrandedStructure* previous, DeferredStructureTransitionWatchpointFire* deferred) |
| : Structure(vm, previous, deferred) |
| , m_brand(previous->m_brand) |
| , m_parentBrand(vm, this, previous->m_parentBrand.get(), WriteBarrier<BrandedStructure>::MayBeNull) |
| { |
| this->setIsBrandedStructure(true); |
| } |
| |
| Structure* BrandedStructure::create(VM& vm, Structure* previous, UniquedStringImpl* brandUid, DeferredStructureTransitionWatchpointFire* deferred) |
| { |
| ASSERT(vm.structureStructure); |
| BrandedStructure* newStructure = new (NotNull, allocateCell<BrandedStructure>(vm.heap)) BrandedStructure(vm, previous, brandUid, deferred); |
| newStructure->finishCreation(vm, previous); |
| return newStructure; |
| } |
| |
| } // namespace JSC |