/**
* Get the PromiseState of promise.
*
* @return the state's enum value
*/
inline uint8_t JERRY_ATTR_ALWAYS_INLINE
ecma_promise_get_state (ecma_object_t *obj_p) /**< points to promise object */
{
JERRY_ASSERT (ecma_is_promise (obj_p));
return ((ecma_promise_object_t *) obj_p)->state;
} /* ecma_promise_get_state */
/**
* Set the PromiseState of promise.
*/
inline void JERRY_ATTR_ALWAYS_INLINE
ecma_promise_set_state (ecma_object_t *obj_p, /**< points to promise object */
uint8_t state) /**< the state */
{
JERRY_ASSERT (ecma_is_promise (obj_p));
((ecma_promise_object_t *) obj_p)->state = state;
} /* ecma_promise_set_state */
/**
* Get the result of the promise.
*
* @return ecma value of the promise result.
* Returned value must be freed with ecma_free_value
*/
inline ecma_value_t
ecma_promise_get_result (ecma_object_t *obj_p) /**< points to promise object */
{
JERRY_ASSERT (ecma_is_promise (obj_p));
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) obj_p;
return ecma_copy_value (ext_object_p->u.class_prop.u.value);
} /* ecma_promise_get_result */
/**
* Set the PromiseResult of promise.
*/
inline void JERRY_ATTR_ALWAYS_INLINE
ecma_promise_set_result (ecma_object_t *obj_p, /**< points to promise object */
ecma_value_t result) /**< the result value */
{
JERRY_ASSERT (ecma_is_promise (obj_p));
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) obj_p;
JERRY_ASSERT (ext_object_p->u.class_prop.u.value == ECMA_VALUE_UNDEFINED);
ext_object_p->u.class_prop.u.value = result;
} /* ecma_promise_set_result */
/**
* Create a PromiseResolveThenableJob
*
* @return pointer to the PromiseResolveThenableJob
*/
static ecma_job_promise_resolve_thenable_t *
ecma_create_promise_resolve_thenable_job (ecma_value_t promise, /**< promise to be resolved */
ecma_value_t thenable, /**< thenable object */
ecma_value_t then) /**< 'then' function */
{
JERRY_ASSERT (ecma_is_promise (ecma_get_object_from_value (promise)));
JERRY_ASSERT (ecma_is_value_object (thenable));
JERRY_ASSERT (ecma_op_is_callable (then));
ecma_job_promise_resolve_thenable_t *job_p;
job_p = (ecma_job_promise_resolve_thenable_t *) jmem_heap_alloc_block (sizeof (ecma_job_promise_resolve_thenable_t));
job_p->promise = ecma_copy_value (promise);
job_p->thenable = ecma_copy_value (thenable);
job_p->then = ecma_copy_value (then);
return job_p;
} /* ecma_create_promise_resolve_thenable_job */
/**
* The common function for 'reject' and 'resolve'.
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_promise_reject_or_resolve (ecma_value_t this_arg, /**< "this" argument */
ecma_value_t argument, /**< argument for reject or resolve */
bool is_resolve) /**< whether it is for resolve routine */
{
if (!ecma_is_value_object (this_arg))
{
return ecma_raise_type_error (ECMA_ERR_MSG ("'this' is not an object."));
}
uint8_t builtin_id = ecma_get_object_builtin_id (ecma_get_object_from_value (this_arg));
if (builtin_id != ECMA_BUILTIN_ID_PROMISE)
{
return ecma_raise_type_error (ECMA_ERR_MSG ("'this' is not the Promise constructor."));
}
if (is_resolve
&& ecma_is_value_object (argument)
&& ecma_is_promise (ecma_get_object_from_value (argument)))
{
return ecma_copy_value (argument);
}
ecma_value_t capability = ecma_promise_new_capability ();
if (ECMA_IS_VALUE_ERROR (capability))
{
return capability;
}
ecma_string_t *str;
if (is_resolve)
{
str = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_RESOLVE);
}
else
{
str = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_REJECT);
}
ecma_value_t func = ecma_op_object_get (ecma_get_object_from_value (capability), str);
ecma_deref_ecma_string (str);
ecma_value_t call_ret = ecma_op_function_call (ecma_get_object_from_value (func),
ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED),
&argument,
1);
ecma_free_value (func);
if (ECMA_IS_VALUE_ERROR (call_ret))
{
return call_ret;
}
ecma_free_value (call_ret);
ecma_string_t *str_promise = ecma_new_ecma_string_from_uint32 (ECMA_PROMISE_PROPERTY_PROMISE);
ecma_value_t promise_new = ecma_op_object_get (ecma_get_object_from_value (capability), str_promise);
ecma_deref_ecma_string (str_promise);
ecma_free_value (capability);
return promise_new;
} /* ecma_builtin_promise_reject_or_resolve */
