| /* |
| * Copyright (C) 2020-2021 Apple Inc. 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 "MarkedJSValueRefArray.h" |
| |
| #include "JSCJSValue.h" |
| |
| namespace JSC { |
| |
| MarkedJSValueRefArray::MarkedJSValueRefArray(JSGlobalContextRef context, unsigned size) |
| : m_size(size) |
| { |
| if (m_size > MarkedArgumentBuffer::inlineCapacity) { |
| m_buffer = BufferUniquePtr::create(m_size); |
| toJS(context)->vm().heap.addMarkedJSValueRefArray(this); |
| ASSERT(isOnList()); |
| } |
| } |
| |
| MarkedJSValueRefArray::~MarkedJSValueRefArray() |
| { |
| if (isOnList()) |
| remove(); |
| } |
| |
| template<typename Visitor> |
| void MarkedJSValueRefArray::visitAggregate(Visitor& visitor) |
| { |
| JSValueRef* buffer = data(); |
| for (unsigned index = 0; index < m_size; ++index) { |
| JSValueRef value = buffer[index]; |
| #if !CPU(ADDRESS64) |
| JSCell* jsCell = reinterpret_cast<JSCell*>(const_cast<OpaqueJSValue*>(value)); |
| if (!jsCell) |
| continue; |
| visitor.appendUnbarriered(jsCell); // We should mark the wrapper itself to keep JSValueRef live. |
| #else |
| visitor.appendUnbarriered(bitwise_cast<JSValue>(value)); |
| #endif |
| } |
| } |
| |
| template void MarkedJSValueRefArray::visitAggregate(AbstractSlotVisitor&); |
| template void MarkedJSValueRefArray::visitAggregate(SlotVisitor&); |
| |
| } // namespace JSC |