JSPromiseConstructor.cpp [plain text]
#include "config.h"
#include "JSPromiseConstructor.h"
#if ENABLE(PROMISES)
#include "Error.h"
#include "Exception.h"
#include "IteratorOperations.h"
#include "JSCBuiltins.h"
#include "JSCJSValueInlines.h"
#include "JSCellInlines.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", &InternalFunction::s_info, &promiseConstructorTable, CREATE_METHOD_TABLE(JSPromiseConstructor) };
JSPromiseConstructor* JSPromiseConstructor::create(VM& vm, Structure* structure, JSPromisePrototype* promisePrototype)
{
JSPromiseConstructor* constructor = new (NotNull, allocateCell<JSPromiseConstructor>(vm.heap)) JSPromiseConstructor(vm, structure);
constructor->finishCreation(vm, promisePrototype);
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)
: InternalFunction(vm, structure)
{
}
void JSPromiseConstructor::finishCreation(VM& vm, JSPromisePrototype* promisePrototype)
{
Base::finishCreation(vm, ASCIILiteral("Promise"));
putDirectWithoutTransition(vm, vm.propertyNames->prototype, promisePrototype, DontEnum | DontDelete | ReadOnly);
putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), ReadOnly | DontEnum | DontDelete);
}
static EncodedJSValue JSC_HOST_CALL constructPromise(ExecState* exec)
{
VM& vm = exec->vm();
JSGlobalObject* globalObject = exec->callee()->globalObject();
JSPromise* promise = JSPromise::create(vm, globalObject);
JSFunction* initializePromise = globalObject->initializePromiseFunction();
CallData callData;
CallType callType = getCallData(initializePromise, callData);
ASSERT(callType != CallTypeNone);
MarkedArgumentBuffer arguments;
arguments.append(exec->argument(0));
call(exec, initializePromise, callType, callData, promise, arguments);
return JSValue::encode(promise);
}
ConstructType JSPromiseConstructor::getConstructData(JSCell*, ConstructData& constructData)
{
constructData.native.function = constructPromise;
return ConstructTypeHost;
}
CallType JSPromiseConstructor::getCallData(JSCell*, CallData& callData)
{
callData.native.function = constructPromise;
return CallTypeHost;
}
bool JSPromiseConstructor::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
{
return getStaticFunctionSlot<InternalFunction>(exec, promiseConstructorTable, jsCast<JSPromiseConstructor*>(object), propertyName, slot);
}
JSPromise* constructPromise(ExecState* exec, JSGlobalObject* globalObject, JSFunction* resolver)
{
JSPromiseConstructor* promiseConstructor = globalObject->promiseConstructor();
ConstructData constructData;
ConstructType constructType = getConstructData(promiseConstructor, constructData);
ASSERT(constructType != ConstructTypeNone);
MarkedArgumentBuffer arguments;
arguments.append(resolver);
return jsCast<JSPromise*>(construct(exec, promiseConstructor, constructType, constructData, arguments));
}
}
#endif // ENABLE(PROMISES)