FinalizationRegistryConstructor.cpp [plain text]
#include "config.h"
#include "FinalizationRegistryConstructor.h"
#include "Error.h"
#include "FinalizationRegistryPrototype.h"
#include "IteratorOperations.h"
#include "JSCInlines.h"
#include "JSFinalizationRegistry.h"
#include "JSGlobalObject.h"
#include "JSObjectInlines.h"
namespace JSC {
const ClassInfo FinalizationRegistryConstructor::s_info = { "Function", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(FinalizationRegistryConstructor) };
void FinalizationRegistryConstructor::finishCreation(VM& vm, FinalizationRegistryPrototype* prototype)
{
Base::finishCreation(vm, 1, "FinalizationRegistry"_s, PropertyAdditionMode::WithoutStructureTransition);
putDirectWithoutTransition(vm, vm.propertyNames->prototype, prototype, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
}
static JSC_DECLARE_HOST_FUNCTION(callFinalizationRegistry);
static JSC_DECLARE_HOST_FUNCTION(constructFinalizationRegistry);
FinalizationRegistryConstructor::FinalizationRegistryConstructor(VM& vm, Structure* structure)
: Base(vm, structure, callFinalizationRegistry, constructFinalizationRegistry)
{
}
JSC_DEFINE_HOST_FUNCTION(callFinalizationRegistry, (JSGlobalObject* globalObject, CallFrame*))
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(globalObject, scope, "FinalizationRegistry"));
}
JSC_DEFINE_HOST_FUNCTION(constructFinalizationRegistry, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (!callFrame->argument(0).isCallable(vm))
return throwVMTypeError(globalObject, scope, "First argument to FinalizationRegistry should be a function"_s);
JSObject* newTarget = asObject(callFrame->newTarget());
Structure* finalizationRegistryStructure = callFrame->jsCallee() == newTarget
? globalObject->finalizationRegistryStructure()
: InternalFunction::createSubclassStructure(globalObject, newTarget, getFunctionRealm(vm, newTarget)->finalizationRegistryStructure());
RETURN_IF_EXCEPTION(scope, encodedJSValue());
RELEASE_AND_RETURN(scope, JSValue::encode(JSFinalizationRegistry::create(vm, finalizationRegistryStructure, callFrame->uncheckedArgument(0).getObject())));
}
}