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Implement \u{hex} support. (#3447)

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A large rework because surrogate pairs must be combined.

Currently only the 0x10C80..0x10CF2 is accepted as valid identifier character from the non-basic plane.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2019-12-16 11:26:02 +01:00
committed by Dániel Bátyai
parent 1db16c3a1c
commit 40d930d62c
22 changed files with 765 additions and 370 deletions
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jerry-core/ecma/builtin-objects/ecma-builtin-helpers.c
+3 -3
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@@ -713,7 +713,7 @@ ecma_builtin_helper_string_find_index (ecma_string_t *original_str_p, /**< index
/* iterate original string and try to match at each position */
bool searching = true;
ecma_char_t first_char = lit_utf8_read_next (&search_str_curr_p);
ecma_char_t first_char = lit_cesu8_read_next (&search_str_curr_p);
while (searching)
{
/* match as long as possible */
@@ -722,14 +722,14 @@ ecma_builtin_helper_string_find_index (ecma_string_t *original_str_p, /**< index
if (match_len < search_len &&
index + match_len < original_len &&
lit_utf8_read_next (&original_str_curr_p) == first_char)
lit_cesu8_read_next (&original_str_curr_p) == first_char)
{
const lit_utf8_byte_t *nested_search_str_curr_p = search_str_curr_p;
match_len++;
while (match_len < search_len &&
index + match_len < original_len &&
lit_utf8_read_next (&original_str_curr_p) == lit_utf8_read_next (&nested_search_str_curr_p))
lit_cesu8_read_next (&original_str_curr_p) == lit_cesu8_read_next (&nested_search_str_curr_p))
{
match_len++;
}