NumberConstructor.h [plain text]
#pragma once
#include "InternalFunction.h"
namespace JSC {
class NumberPrototype;
class GetterSetter;
class NumberConstructor final : public InternalFunction {
public:
typedef InternalFunction Base;
static const unsigned StructureFlags = Base::StructureFlags | ImplementsHasInstance | HasStaticPropertyTable;
static NumberConstructor* create(VM& vm, Structure* structure, NumberPrototype* numberPrototype, GetterSetter*)
{
NumberConstructor* constructor = new (NotNull, allocateCell<NumberConstructor>(vm.heap)) NumberConstructor(vm, structure);
constructor->finishCreation(vm, numberPrototype);
return constructor;
}
DECLARE_INFO;
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
{
return Structure::create(vm, globalObject, proto, TypeInfo(InternalFunctionType, StructureFlags), info());
}
static bool isIntegerImpl(JSValue value)
{
if (value.isInt32())
return true;
if (!value.isDouble())
return false;
double number = value.asDouble();
return std::isfinite(number) && trunc(number) == number;
}
protected:
void finishCreation(VM&, NumberPrototype*);
private:
NumberConstructor(VM&, Structure*);
};
}