/**
* Get value field of ecma value
*
* @return value field
*/
static uintptr_t __attr_pure___
ecma_get_value_value_field (ecma_value_t value) /**< ecma value */
{
return (uintptr_t) jrt_extract_bit_field (value,
ECMA_VALUE_VALUE_POS,
ECMA_VALUE_VALUE_WIDTH);
} /* ecma_get_value_value_field */
/**
* Get GC reference counter of the object.
*/
static uint32_t
ecma_gc_get_object_refs (ecma_object_t *object_p) /**< object */
{
JERRY_ASSERT (object_p != NULL);
return (uint32_t) jrt_extract_bit_field (object_p->container,
ECMA_OBJECT_GC_REFS_POS,
ECMA_OBJECT_GC_REFS_WIDTH);
} /* ecma_gc_get_object_refs */
/**
* Get visited flag of the object.
*/
static bool
ecma_gc_is_object_visited (ecma_object_t *object_p) /**< object */
{
JERRY_ASSERT (object_p != NULL);
bool flag_value = (bool) jrt_extract_bit_field (object_p->container,
ECMA_OBJECT_GC_VISITED_POS,
ECMA_OBJECT_GC_VISITED_WIDTH);
return (flag_value != ecma_gc_visited_flip_flag);
} /* ecma_gc_is_object_visited */
/**
* Get next object in list of objects with same generation.
*/
static ecma_object_t*
ecma_gc_get_object_next (ecma_object_t *object_p) /**< object */
{
JERRY_ASSERT (object_p != NULL);
JERRY_ASSERT (sizeof (uintptr_t) * JERRY_BITSINBYTE >= ECMA_OBJECT_GC_NEXT_CP_WIDTH);
uintptr_t next_cp = (uintptr_t) jrt_extract_bit_field (object_p->container,
ECMA_OBJECT_GC_NEXT_CP_POS,
ECMA_OBJECT_GC_NEXT_CP_WIDTH);
return ECMA_GET_POINTER (ecma_object_t,
next_cp);
} /* ecma_gc_get_object_next */
/**
* Handle calling [[Call]] of built-in object
*
* @return ecma value
*/
ecma_value_t
ecma_builtin_dispatch_call (ecma_object_t *obj_p, /**< built-in object */
ecma_value_t this_arg_value, /**< 'this' argument value */
const ecma_value_t *arguments_list_p, /**< arguments list */
ecma_length_t arguments_list_len) /**< arguments list length */
{
JERRY_ASSERT (ecma_get_object_is_builtin (obj_p));
ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
if (ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_BUILT_IN_FUNCTION)
{
ecma_property_t *desc_prop_p = ecma_get_internal_property (obj_p,
ECMA_INTERNAL_PROPERTY_BUILT_IN_ROUTINE_DESC);
uint64_t builtin_routine_desc = desc_prop_p->u.internal_property.value;
uint64_t built_in_id_field = jrt_extract_bit_field (builtin_routine_desc,
ECMA_BUILTIN_ROUTINE_ID_BUILT_IN_OBJECT_ID_POS,
ECMA_BUILTIN_ROUTINE_ID_BUILT_IN_OBJECT_ID_WIDTH);
JERRY_ASSERT (built_in_id_field < ECMA_BUILTIN_ID__COUNT);
uint64_t routine_id_field = jrt_extract_bit_field (builtin_routine_desc,
ECMA_BUILTIN_ROUTINE_ID_BUILT_IN_ROUTINE_ID_POS,
ECMA_BUILTIN_ROUTINE_ID_BUILT_IN_ROUTINE_ID_WIDTH);
JERRY_ASSERT ((uint16_t) routine_id_field == routine_id_field);
ecma_builtin_id_t built_in_id = (ecma_builtin_id_t) built_in_id_field;
uint16_t routine_id = (uint16_t) routine_id_field;
ret_value = ecma_builtin_dispatch_routine (built_in_id,
routine_id,
this_arg_value,
arguments_list_p,
arguments_list_len);
}
else
{
JERRY_ASSERT (ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_FUNCTION);
ecma_property_t *built_in_id_prop_p = ecma_get_internal_property (obj_p,
ECMA_INTERNAL_PROPERTY_BUILT_IN_ID);
ecma_builtin_id_t builtin_id = (ecma_builtin_id_t) built_in_id_prop_p->u.internal_property.value;
JERRY_ASSERT (ecma_builtin_is (obj_p, builtin_id));
switch (builtin_id)
{
#define BUILTIN(builtin_id, \
object_type, \
object_prototype_builtin_id, \
is_extensible, \
is_static, \
lowercase_name) \
case builtin_id: \
{ \
if (object_type == ECMA_OBJECT_TYPE_FUNCTION) \
{ \
ret_value = ecma_builtin_ ## lowercase_name ## _dispatch_call (arguments_list_p, \
arguments_list_len); \
} \
break; \
}
#include "ecma-builtins.inc.h"
case ECMA_BUILTIN_ID__COUNT:
{
JERRY_UNREACHABLE ();
}
default:
{
#ifdef CONFIG_ECMA_COMPACT_PROFILE
JERRY_UNREACHABLE ();
#else /* CONFIG_ECMA_COMPACT_PROFILE */
JERRY_UNIMPLEMENTED ("The built-in is not implemented.");
#endif /* !CONFIG_ECMA_COMPACT_PROFILE */
}
}
}
JERRY_ASSERT (!ecma_is_value_empty (ret_value));
return ret_value;
} /* ecma_builtin_dispatch_call */
/**
* If the property's name is one of built-in properties of the object
* that is not instantiated yet, instantiate the property and
* return pointer to the instantiated property.
*
* @return pointer property, if one was instantiated,
* NULL - otherwise.
*/
ecma_property_t *
ecma_builtin_try_to_instantiate_property (ecma_object_t *object_p, /**< object */
ecma_string_t *string_p) /**< property's name */
{
JERRY_ASSERT (ecma_get_object_is_builtin (object_p));
const ecma_object_type_t type = ecma_get_object_type (object_p);
if (type == ECMA_OBJECT_TYPE_BUILT_IN_FUNCTION)
{
ecma_string_t *magic_string_length_p = ecma_get_magic_string (LIT_MAGIC_STRING_LENGTH);
bool is_length_property = ecma_compare_ecma_strings (string_p, magic_string_length_p);
ecma_deref_ecma_string (magic_string_length_p);
if (is_length_property)
{
/*
* Lazy instantiation of 'length' property
*
* Note:
* We don't need to mark that the property was already lazy instantiated,
* as it is non-configurable and so can't be deleted
*/
ecma_property_t *desc_prop_p = ecma_get_internal_property (object_p,
ECMA_INTERNAL_PROPERTY_BUILT_IN_ROUTINE_DESC);
uint64_t builtin_routine_desc = desc_prop_p->u.internal_property.value;
JERRY_STATIC_ASSERT (sizeof (uint8_t) * JERRY_BITSINBYTE == ECMA_BUILTIN_ROUTINE_ID_LENGTH_VALUE_WIDTH,
bits_in_uint8_t_must_be_equal_to_ECMA_BUILTIN_ROUTINE_ID_LENGTH_VALUE_WIDTH);
uint8_t length_prop_value = (uint8_t) jrt_extract_bit_field (builtin_routine_desc,
ECMA_BUILTIN_ROUTINE_ID_LENGTH_VALUE_POS,
ECMA_BUILTIN_ROUTINE_ID_LENGTH_VALUE_WIDTH);
ecma_property_t *len_prop_p = ecma_create_named_data_property (object_p,
string_p,
false, false, false);
ecma_number_t *len_p = ecma_alloc_number ();
*len_p = length_prop_value;
ecma_set_named_data_property_value (len_prop_p, ecma_make_number_value (len_p));
JERRY_ASSERT (!ecma_is_property_configurable (len_prop_p));
return len_prop_p;
}
return NULL;
}
else
{
ecma_property_t *built_in_id_prop_p = ecma_get_internal_property (object_p,
ECMA_INTERNAL_PROPERTY_BUILT_IN_ID);
ecma_builtin_id_t builtin_id = (ecma_builtin_id_t) built_in_id_prop_p->u.internal_property.value;
JERRY_ASSERT (ecma_builtin_is (object_p, builtin_id));
switch (builtin_id)
{
#define BUILTIN(builtin_id, \
object_type, \
object_prototype_builtin_id, \
is_extensible, \
is_static, \
lowercase_name) \
case builtin_id: \
{ \
return ecma_builtin_ ## lowercase_name ## _try_to_instantiate_property (object_p, \
string_p); \
}
#include "ecma-builtins.inc.h"
case ECMA_BUILTIN_ID__COUNT:
{
JERRY_UNREACHABLE ();
}
default:
{
#ifdef CONFIG_ECMA_COMPACT_PROFILE
JERRY_UNREACHABLE ();
#else /* CONFIG_ECMA_COMPACT_PROFILE */
JERRY_UNIMPLEMENTED ("The built-in is not implemented.");
#endif /* !CONFIG_ECMA_COMPACT_PROFILE */
}
}
JERRY_UNREACHABLE ();
}
} /* ecma_builtin_try_to_instantiate_property */
/**
* Handle calling [[Call]] of built-in object
*
* @return completion-value
*/
ecma_completion_value_t
ecma_builtin_dispatch_call (ecma_object_t *obj_p, /**< built-in object */
ecma_value_t this_arg_value, /**< 'this' argument value */
ecma_collection_header_t* arg_collection_p) /**< arguments collection */
{
JERRY_ASSERT (ecma_get_object_is_builtin (obj_p));
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
const ecma_length_t arguments_list_len = arg_collection_p != NULL ? arg_collection_p->unit_number : 0;
MEM_DEFINE_LOCAL_ARRAY (arguments_list_p, arguments_list_len, ecma_value_t);
ecma_collection_iterator_t arg_collection_iter;
ecma_collection_iterator_init (&arg_collection_iter,
arg_collection_p);
for (ecma_length_t arg_index = 0;
ecma_collection_iterator_next (&arg_collection_iter);
arg_index++)
{
arguments_list_p[arg_index] = *arg_collection_iter.current_value_p;
}
if (ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_BUILT_IN_FUNCTION)
{
ecma_property_t *desc_prop_p = ecma_get_internal_property (obj_p,
ECMA_INTERNAL_PROPERTY_BUILT_IN_ROUTINE_DESC);
uint64_t builtin_routine_desc = desc_prop_p->u.internal_property.value;
uint64_t built_in_id_field = jrt_extract_bit_field (builtin_routine_desc,
ECMA_BUILTIN_ROUTINE_ID_BUILT_IN_OBJECT_ID_POS,
ECMA_BUILTIN_ROUTINE_ID_BUILT_IN_OBJECT_ID_WIDTH);
JERRY_ASSERT (built_in_id_field < ECMA_BUILTIN_ID__COUNT);
uint64_t routine_id_field = jrt_extract_bit_field (builtin_routine_desc,
ECMA_BUILTIN_ROUTINE_ID_BUILT_IN_ROUTINE_ID_POS,
ECMA_BUILTIN_ROUTINE_ID_BUILT_IN_ROUTINE_ID_WIDTH);
JERRY_ASSERT ((uint16_t) routine_id_field == routine_id_field);
ecma_builtin_id_t built_in_id = (ecma_builtin_id_t) built_in_id_field;
uint16_t routine_id = (uint16_t) routine_id_field;
ret_value = ecma_builtin_dispatch_routine (built_in_id,
routine_id,
this_arg_value,
arguments_list_p,
arguments_list_len);
}
else
{
JERRY_ASSERT (ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_FUNCTION);
ecma_property_t *built_in_id_prop_p = ecma_get_internal_property (obj_p,
ECMA_INTERNAL_PROPERTY_BUILT_IN_ID);
ecma_builtin_id_t builtin_id = (ecma_builtin_id_t) built_in_id_prop_p->u.internal_property.value;
JERRY_ASSERT (ecma_builtin_is (obj_p, builtin_id));
switch (builtin_id)
{
#define BUILTIN(builtin_id, \
object_type, \
object_prototype_builtin_id, \
is_extensible, \
is_static, \
lowercase_name) \
case builtin_id: \
{ \
if (object_type == ECMA_OBJECT_TYPE_FUNCTION) \
{ \
ret_value = ecma_builtin_ ## lowercase_name ## _dispatch_call (arguments_list_p, \
arguments_list_len); \
} \
break; \
}
#include "ecma-builtins.inc.h"
case ECMA_BUILTIN_ID__COUNT:
{
JERRY_UNREACHABLE ();
}
default:
{
#ifdef CONFIG_ECMA_COMPACT_PROFILE
JERRY_UNREACHABLE ();
#else /* CONFIG_ECMA_COMPACT_PROFILE */
JERRY_UNIMPLEMENTED ("The built-in is not implemented.");
#endif /* !CONFIG_ECMA_COMPACT_PROFILE */
}
}
}
MEM_FINALIZE_LOCAL_ARRAY (arguments_list_p);
JERRY_ASSERT (!ecma_is_completion_value_empty (ret_value));
return ret_value;
} /* ecma_builtin_dispatch_call */
