JSStringIterator.h [plain text]
#pragma once
#include "JSInternalFieldObjectImpl.h"
namespace JSC {
class JSStringIterator final : public JSInternalFieldObjectImpl<2> {
public:
using Base = JSInternalFieldObjectImpl<2>;
enum class Field : uint8_t {
Index = 0,
IteratedString,
};
DECLARE_EXPORT_INFO;
static size_t allocationSize(Checked<size_t> inlineCapacity)
{
ASSERT_UNUSED(inlineCapacity, inlineCapacity == 0U);
return sizeof(JSStringIterator);
}
template<typename CellType, SubspaceAccess mode>
static IsoSubspace* subspaceFor(VM& vm)
{
return vm.stringIteratorSpace<mode>();
}
static std::array<JSValue, numberOfInternalFields> initialValues()
{
return { {
jsNumber(0),
jsNull(),
} };
}
const WriteBarrier<Unknown>& internalField(Field field) const { return Base::internalField(static_cast<uint32_t>(field)); }
WriteBarrier<Unknown>& internalField(Field field) { return Base::internalField(static_cast<uint32_t>(field)); }
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(JSStringIteratorType, StructureFlags), info());
}
static JSStringIterator* create(VM& vm, Structure* structure, JSString* iteratedString)
{
JSStringIterator* instance = new (NotNull, allocateCell<JSStringIterator>(vm.heap)) JSStringIterator(vm, structure);
instance->finishCreation(vm, iteratedString);
return instance;
}
JSValue iteratedString() const { return internalField(Field::IteratedString).get(); }
JSValue index() const { return internalField(Field::Index).get(); }
JSStringIterator* clone(JSGlobalObject*);
static void visitChildren(JSCell*, SlotVisitor&);
private:
JSStringIterator(VM& vm, Structure* structure)
: Base(vm, structure)
{
}
void finishCreation(VM&, JSString* iteratedString);
};
}