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Improve parse_identifier (#4691)

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Ascii string length is no longer computed during string allocation.

JerryScript-DCO-1.0-Signed-off-by: Daniel Batiz batizjob@gmail.com
This commit is contained in:
batizdaniel
2021-08-17 12:16:58 +02:00
committed by GitHub
parent e7ffb70ae0
commit 3bcd48f72d
19 changed files with 172 additions and 92 deletions
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jerry-core/ecma/base/ecma-helpers-string.c
+28 -2
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@@ -335,6 +335,33 @@ ecma_find_special_string (const lit_utf8_byte_t *string_p, /**< utf8 string */
return NULL;
} /* ecma_find_special_string */
/**
* Allocate new ecma-string and fill it with characters from ascii characters
*
* @return pointer to ecma-string descriptor
*/
ecma_string_t *
ecma_new_ecma_string_from_ascii (const lit_utf8_byte_t *string_p, /**< ascii string */
lit_utf8_size_t string_size) /**< string size */
{
JERRY_ASSERT (string_p != NULL || string_size == 0);
ecma_string_t *string_desc_p = ecma_find_special_string (string_p, string_size);
if (string_desc_p != NULL)
{
return string_desc_p;
}
lit_utf8_byte_t *data_p;
string_desc_p = ecma_new_ecma_string_from_utf8_buffer (string_size, string_size, &data_p);
string_desc_p->u.hash = lit_utf8_string_calc_hash (string_p, string_size);
memcpy (data_p, string_p, string_size);
return string_desc_p;
} /* ecma_new_ecma_string_from_ascii */
/**
* Allocate new ecma-string and fill it with characters from the utf8 string
*
@@ -2449,8 +2476,7 @@ ecma_string_substr (const ecma_string_t *string_p, /**< pointer to an ecma strin
if (string_length == buffer_size)
{
ecma_string_p = ecma_new_ecma_string_from_utf8 (start_p + start_pos,
(lit_utf8_size_t) end_pos);
ecma_string_p = ecma_new_ecma_string_from_utf8 (start_p + start_pos, (lit_utf8_size_t) end_pos);
}
else
{