JSPromiseConstructor.cpp [plain text]
#include "config.h"
#include "JSPromiseConstructor.h"
#include "BuiltinNames.h"
#include "Error.h"
#include "Exception.h"
#include "GetterSetter.h"
#include "IteratorOperations.h"
#include "JSCBuiltins.h"
#include "JSCJSValueInlines.h"
#include "JSCellInlines.h"
#include "JSFunction.h"
#include "JSPromise.h"
#include "JSPromisePrototype.h"
#include "Lookup.h"
#include "NumberObject.h"
#include "StructureInlines.h"
namespace JSC {
STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSPromiseConstructor);
}
#include "JSPromiseConstructor.lut.h"
namespace JSC {
const ClassInfo JSPromiseConstructor::s_info = { "Function", &Base::s_info, &promiseConstructorTable, CREATE_METHOD_TABLE(JSPromiseConstructor) };
JSPromiseConstructor* JSPromiseConstructor::create(VM& vm, Structure* structure, JSPromisePrototype* promisePrototype, GetterSetter* speciesSymbol)
{
JSPromiseConstructor* constructor = new (NotNull, allocateCell<JSPromiseConstructor>(vm.heap)) JSPromiseConstructor(vm, structure);
constructor->finishCreation(vm, promisePrototype, speciesSymbol);
constructor->addOwnInternalSlots(vm, structure->globalObject());
return constructor;
}
Structure* JSPromiseConstructor::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
}
JSPromiseConstructor::JSPromiseConstructor(VM& vm, Structure* structure)
: Base(vm, structure)
{
}
void JSPromiseConstructor::finishCreation(VM& vm, JSPromisePrototype* promisePrototype, GetterSetter* speciesSymbol)
{
Base::finishCreation(vm, ASCIILiteral("Promise"));
putDirectWithoutTransition(vm, vm.propertyNames->prototype, promisePrototype, DontEnum | DontDelete | ReadOnly);
putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), ReadOnly | DontEnum | DontDelete);
putDirectNonIndexAccessor(vm, vm.propertyNames->speciesSymbol, speciesSymbol, Accessor | ReadOnly | DontEnum);
}
void JSPromiseConstructor::addOwnInternalSlots(VM& vm, JSGlobalObject* globalObject)
{
JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->builtinNames().resolvePrivateName(), promiseConstructorResolveCodeGenerator, DontEnum | DontDelete | ReadOnly);
JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->builtinNames().rejectPrivateName(), promiseConstructorRejectCodeGenerator, DontEnum | DontDelete | ReadOnly);
}
static EncodedJSValue JSC_HOST_CALL constructPromise(ExecState* exec)
{
JSGlobalObject* globalObject = exec->callee()->globalObject();
VM& vm = exec->vm();
JSValue newTarget = exec->newTarget();
if (newTarget.isUndefined())
return throwVMTypeError(exec);
Structure* promiseStructure = InternalFunction::createSubclassStructure(exec, exec->newTarget(), globalObject->promiseStructure());
if (exec->hadException())
return JSValue::encode(JSValue());
JSPromise* promise = JSPromise::create(vm, promiseStructure);
promise->initialize(exec, globalObject, exec->argument(0));
return JSValue::encode(promise);
}
static EncodedJSValue JSC_HOST_CALL callPromise(ExecState* exec)
{
return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(exec, "Promise"));
}
ConstructType JSPromiseConstructor::getConstructData(JSCell*, ConstructData& constructData)
{
constructData.native.function = constructPromise;
return ConstructType::Host;
}
CallType JSPromiseConstructor::getCallData(JSCell*, CallData& callData)
{
callData.native.function = callPromise;
return CallType::Host;
}
}