/**
* 'Constructor call' opcode handler.
*
* See also: ECMA-262 v5, 11.2.2
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
ecma_value_t
opfunc_construct_n (ecma_value_t constructor_value, /**< constructor object value */
const ecma_value_t *arguments_list_p, /**< stack pointer */
ecma_length_t arguments_list_len) /**< number of arguments */
{
ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
if (!ecma_is_constructor (constructor_value))
{
ret_value = ecma_raise_type_error ("");
}
else
{
ecma_object_t *constructor_obj_p = ecma_get_object_from_value (constructor_value);
ECMA_TRY_CATCH (construction_ret_value,
ecma_op_function_construct (constructor_obj_p,
arguments_list_p,
arguments_list_len),
ret_value);
ret_value = ecma_copy_value (construction_ret_value, true);
ECMA_FINALIZE (construction_ret_value);
}
return ret_value;
} /* opfunc_construct_n */
/**
* The %TypedArray%.from routine
*
* See also:
* ES2015 22.2.2.1
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_typedarray_from (ecma_value_t this_arg, /**< 'this' argument */
const ecma_value_t *arguments_list_p, /**< arguments list */
ecma_length_t arguments_list_len) /**< number of arguments */
{
JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);
if (!ecma_is_constructor (this_arg))
{
return ecma_raise_type_error (ECMA_ERR_MSG ("'this' is not a constructor."));
}
ecma_value_t source;
ecma_value_t map_fn = ECMA_VALUE_UNDEFINED;
ecma_value_t this_in_fn = ECMA_VALUE_UNDEFINED;
if (arguments_list_len == 0)
{
return ecma_raise_type_error (ECMA_ERR_MSG ("no source argument"));
}
source = arguments_list_p[0];
if (arguments_list_len > 1)
{
map_fn = arguments_list_p[1];
if (!ecma_op_is_callable (map_fn))
{
return ecma_raise_type_error (ECMA_ERR_MSG ("mapfn argument is not callable"));
}
if (arguments_list_len > 2)
{
this_in_fn = arguments_list_p[2];
}
}
ecma_object_t *obj_p = ecma_get_object_from_value (this_arg);
const uint8_t builtin_id = ecma_get_object_builtin_id (obj_p);
if (!ecma_typedarray_helper_is_typedarray (builtin_id))
{
return ecma_raise_type_error (ECMA_ERR_MSG ("'this' is not a typedarray constructor"));
}
ecma_object_t *proto_p = ecma_builtin_get (ecma_typedarray_helper_get_prototype_id (builtin_id));
const uint8_t element_size_shift = ecma_typedarray_helper_get_shift_size (builtin_id);
const lit_magic_string_id_t class_id = ecma_typedarray_helper_get_magic_string (builtin_id);
return ecma_op_typedarray_from (source,
map_fn,
this_in_fn,
proto_p,
element_size_shift,
class_id);
} /* ecma_builtin_typedarray_from */