#include "config.h"
#include "JSArrayBuffer.h"
#include "JSCInlines.h"
#include "TypeError.h"
#include "TypedArrayController.h"
#include <wtf/Gigacage.h>
namespace JSC {
const ClassInfo JSArrayBuffer::s_info = {
"ArrayBuffer", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSArrayBuffer)};
JSArrayBuffer::JSArrayBuffer(VM& vm, Structure* structure, RefPtr<ArrayBuffer>&& arrayBuffer)
: Base(vm, structure)
, m_impl(arrayBuffer.get())
{
}
void JSArrayBuffer::finishCreation(VM& vm, JSGlobalObject* globalObject)
{
Base::finishCreation(vm);
vm.heap.addReference(this, impl());
vm.m_typedArrayController->registerWrapper(globalObject, impl(), this);
}
JSArrayBuffer* JSArrayBuffer::create(
VM& vm, Structure* structure, RefPtr<ArrayBuffer>&& buffer)
{
JSArrayBuffer* result =
new (NotNull, allocateCell<JSArrayBuffer>(vm.heap))
JSArrayBuffer(vm, structure, WTFMove(buffer));
result->finishCreation(vm, structure->globalObject());
return result;
}
Structure* JSArrayBuffer::createStructure(
VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(
vm, globalObject, prototype, TypeInfo(ArrayBufferType, StructureFlags), info(),
NonArray);
}
bool JSArrayBuffer::isShared() const
{
return impl()->isShared();
}
ArrayBufferSharingMode JSArrayBuffer::sharingMode() const
{
return impl()->sharingMode();
}
size_t JSArrayBuffer::estimatedSize(JSCell* cell, VM& vm)
{
JSArrayBuffer* thisObject = jsCast<JSArrayBuffer*>(cell);
size_t bufferEstimatedSize = thisObject->impl()->gcSizeEstimateInBytes();
return Base::estimatedSize(cell, vm) + bufferEstimatedSize;
}
}