/**
* Check if the character falls into IdentifierPart group (ECMA-262 v5, 7.6)
*
* @return true / false
*/
static bool
lexer_is_char_can_be_identifier_part (ecma_char_t c) /**< a character */
{
return (lexer_is_char_can_be_identifier_start (c)
|| lit_char_is_unicode_combining_mark (c)
|| lit_char_is_unicode_digit (c)
|| lit_char_is_unicode_connector_punctuation (c));
} /* lexer_is_char_can_be_identifier_part */
/**
* Helper function to try to parse a part of a date string
*
* @return NaN if cannot read from string, ToNumber() otherwise
*/
static ecma_number_t
ecma_date_parse_date_chars (lit_utf8_iterator_t *iter, /**< iterator of the utf8 string */
uint32_t num_of_chars) /**< number of characters to read and convert */
{
JERRY_ASSERT (num_of_chars > 0);
lit_utf8_size_t copy_size = 0;
const lit_utf8_byte_t *str_start_p = iter->buf_p + iter->buf_pos.offset;
while (num_of_chars--)
{
if (lit_utf8_iterator_is_eos (iter)
|| !lit_char_is_unicode_digit (lit_utf8_iterator_peek_next (iter)))
{
return ecma_number_make_nan ();
}
copy_size += lit_get_unicode_char_size_by_utf8_first_byte (*(iter->buf_p + iter->buf_pos.offset));
lit_utf8_iterator_incr (iter);
}
return ecma_utf8_string_to_number (str_start_p, copy_size);
} /* ecma_date_parse_date_chars */
