#include "config.h"
#include "Symbol.h"
#include "Error.h"
#include "JSCInlines.h"
#include "SymbolObject.h"
namespace JSC {
const ClassInfo Symbol::s_info = { "symbol", nullptr, nullptr, CREATE_METHOD_TABLE(Symbol) };
Symbol::Symbol(VM& vm)
: Base(vm, vm.symbolStructure.get())
, m_privateName()
{
}
Symbol::Symbol(VM& vm, const String& string)
: Base(vm, vm.symbolStructure.get())
, m_privateName(PrivateName::Description, string)
{
}
Symbol::Symbol(VM& vm, SymbolImpl& uid)
: Base(vm, vm.symbolStructure.get())
, m_privateName(uid)
{
}
inline SymbolObject* SymbolObject::create(VM& vm, JSGlobalObject* globalObject, Symbol* symbol)
{
SymbolObject* object = new (NotNull, allocateCell<SymbolObject>(vm.heap)) SymbolObject(vm, globalObject->symbolObjectStructure());
object->finishCreation(vm, symbol);
return object;
}
JSValue Symbol::toPrimitive(ExecState*, PreferredPrimitiveType) const
{
return const_cast<Symbol*>(this);
}
bool Symbol::getPrimitiveNumber(ExecState* exec, double& number, JSValue& result) const
{
result = this;
number = toNumber(exec);
return true;
}
JSObject* Symbol::toObject(ExecState* exec, JSGlobalObject* globalObject) const
{
return SymbolObject::create(exec->vm(), globalObject, const_cast<Symbol*>(this));
}
double Symbol::toNumber(ExecState* exec) const
{
throwTypeError(exec, ASCIILiteral("Cannot convert a symbol to a number"));
return 0.0;
}
void Symbol::destroy(JSCell* cell)
{
static_cast<Symbol*>(cell)->Symbol::~Symbol();
}
String Symbol::descriptiveString() const
{
return makeString("Symbol(", String(privateName().uid()), ')');
}
}