/**
* The String.prototype object's 'match' routine
*
* See also:
* ECMA-262 v5, 15.5.4.10
*
* @return completion value
* Returned value must be freed with ecma_free_completion_value.
*/
static ecma_completion_value_t
ecma_builtin_string_prototype_object_match (ecma_value_t this_arg, /**< this argument */
ecma_value_t arg) /**< routine's argument */
{
ecma_completion_value_t ret_value = ecma_make_empty_completion_value ();
/* 1. */
ECMA_TRY_CATCH (this_check_coercible_value,
ecma_op_check_object_coercible (this_arg),
ret_value);
/* 2. */
ECMA_TRY_CATCH (this_to_string_value,
ecma_op_to_string (this_arg),
ret_value);
ecma_value_t regexp_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
/* 3. */
if (ecma_is_value_object (arg)
&& ecma_object_get_class_name (ecma_get_object_from_value (arg)) == LIT_MAGIC_STRING_REGEXP_UL)
{
regexp_value = ecma_copy_value (arg, true);
}
else
{
/* 4. */
ecma_value_t regexp_arguments[1] = { arg };
ECMA_TRY_CATCH (new_regexp_value,
ecma_builtin_regexp_dispatch_construct (regexp_arguments, 1),
ret_value);
regexp_value = ecma_copy_value (new_regexp_value, true);
ECMA_FINALIZE (new_regexp_value);
}
if (ecma_is_completion_value_empty (ret_value))
{
JERRY_ASSERT (!ecma_is_value_empty (regexp_value));
ecma_object_t *regexp_obj_p = ecma_get_object_from_value (regexp_value);
ecma_string_t *global_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_GLOBAL);
/* 5. */
ECMA_TRY_CATCH (global_value,
ecma_op_object_get (regexp_obj_p, global_string_p),
ret_value);
JERRY_ASSERT (ecma_is_value_boolean (global_value));
ecma_value_t exec_arguments[1] = { this_to_string_value };
if (!ecma_is_value_true (global_value))
{
/* 7. */
ret_value = ecma_builtin_regexp_prototype_dispatch_routine (LIT_MAGIC_STRING_EXEC,
regexp_value,
exec_arguments,
1);
}
else
{
/* 8.a. */
ecma_number_t *zero_number_p = ecma_alloc_number ();
*zero_number_p = 0;
ecma_string_t *index_zero_string_p = ecma_new_ecma_string_from_uint32 (0);
ecma_string_t *last_index_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_LASTINDEX_UL);
ECMA_TRY_CATCH (put_value,
ecma_op_object_put (regexp_obj_p,
last_index_string_p,
ecma_make_number_value (zero_number_p),
true),
ret_value);
/* 8.b. */
ECMA_TRY_CATCH (new_array_value,
ecma_op_create_array_object (NULL, 0, false),
ret_value);
ecma_object_t *new_array_obj_p = ecma_get_object_from_value (new_array_value);
/* 8.c. */
ecma_number_t previous_last_index = 0;
/* 8.d. */
uint32_t n = 0;
/* 8.e. */
bool last_match = true;
//ecma_completion_value_t exec_result = ecma_make_empty_completion_value ();
/* 8.f. */
while (last_match && ecma_is_completion_value_empty (ret_value))
{
/* 8.f.i. */
ECMA_TRY_CATCH (exec_value,
ecma_builtin_regexp_prototype_dispatch_routine (LIT_MAGIC_STRING_EXEC,
regexp_value,
exec_arguments,
1),
ret_value);
if (ecma_is_value_null (exec_value))
{
/* 8.f.ii. */
last_match = false;
}
else
{
/* 8.f.iii. */
ECMA_TRY_CATCH (this_index_value,
ecma_op_object_get (regexp_obj_p, last_index_string_p),
ret_value);
ECMA_TRY_CATCH (this_index_number,
ecma_op_to_number (this_index_value),
ret_value);
ecma_number_t this_index = *ecma_get_number_from_value (this_index_number);
/* 8.f.iii.2. */
if (this_index == previous_last_index)
{
ecma_number_t *new_last_index_p = ecma_alloc_number ();
*new_last_index_p = this_index + 1;
/* 8.f.iii.2.a. */
ECMA_TRY_CATCH (index_put_value,
ecma_op_object_put (regexp_obj_p,
last_index_string_p,
ecma_make_number_value (new_last_index_p),
true),
ret_value);
/* 8.f.iii.2.b. */
previous_last_index = this_index + 1;
ECMA_FINALIZE (index_put_value);
ecma_dealloc_number (new_last_index_p);
}
else
{
/* 8.f.iii.3. */
previous_last_index = this_index;
}
if (ecma_is_completion_value_empty (ret_value))
{
/* 8.f.iii.4. */
JERRY_ASSERT (ecma_is_value_object (exec_value));
ecma_object_t *exec_obj_p = ecma_get_object_from_value (exec_value);
ECMA_TRY_CATCH (match_string_value,
ecma_op_object_get (exec_obj_p, index_zero_string_p),
ret_value);
/* 8.f.iii.5. */
ecma_property_descriptor_t prop_desc = ecma_make_empty_property_descriptor ();
{
prop_desc.is_value_defined = true;
prop_desc.value = match_string_value;
prop_desc.is_writable_defined = true;
prop_desc.is_writable = true;
prop_desc.is_enumerable_defined = true;
prop_desc.is_enumerable = true;
prop_desc.is_configurable_defined = true;
prop_desc.is_configurable = true;
}
ecma_string_t *current_index_str_p = ecma_new_ecma_string_from_uint32 (n);
ecma_completion_value_t completion = ecma_op_object_define_own_property (new_array_obj_p,
current_index_str_p,
&prop_desc,
false);
JERRY_ASSERT (ecma_is_completion_value_normal_true (completion));
ecma_deref_ecma_string (current_index_str_p);
/* 8.f.iii.6. */
n++;
ECMA_FINALIZE (match_string_value);
}
ECMA_FINALIZE (this_index_number);
ECMA_FINALIZE (this_index_value);
}
ECMA_FINALIZE (exec_value);
}
if (ecma_is_completion_value_empty (ret_value))
{
if (n == 0)
{
/* 8.g. */
ret_value = ecma_make_simple_completion_value (ECMA_SIMPLE_VALUE_NULL);
}
else
{
/* 8.h. */
ret_value = ecma_make_normal_completion_value (ecma_copy_value (new_array_value, true));
}
}
ECMA_FINALIZE (new_array_value);
ECMA_FINALIZE (put_value);
ecma_deref_ecma_string (last_index_string_p);
ecma_deref_ecma_string (index_zero_string_p);
ecma_dealloc_number (zero_number_p);
}
ECMA_FINALIZE (global_value);
ecma_deref_ecma_string (global_string_p);
ecma_free_value (regexp_value, true);
}
ECMA_FINALIZE (this_to_string_value);
ECMA_FINALIZE (this_check_coercible_value);
return ret_value;
} /* ecma_builtin_string_prototype_object_match */
/**
* Handle calling [[Call]] of built-in RegExp object
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
ecma_value_t
ecma_builtin_regexp_dispatch_call (const ecma_value_t *arguments_list_p, /**< arguments list */
ecma_length_t arguments_list_len) /**< number of arguments */
{
return ecma_builtin_regexp_dispatch_construct (arguments_list_p, arguments_list_len);
} /* ecma_builtin_regexp_dispatch_call */
