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Support native modules (#4649)

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2021-04-13 16:26:38 +02:00
committed by GitHub
parent 05a4e45ece
commit 7b6743403f
15 changed files with 770 additions and 100 deletions
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jerry-core/lit/lit-strings.c
+54 -15
View File
@@ -321,7 +321,7 @@ lit_get_utf8_size_of_cesu8_string (const lit_utf8_byte_t *cesu8_buf_p, /**< cesu
while (offset < cesu8_buf_size)
{
ecma_char_t ch;
offset += lit_read_code_unit_from_utf8 (cesu8_buf_p + offset, &ch);
offset += lit_read_code_unit_from_cesu8 (cesu8_buf_p + offset, &ch);
if (lit_is_code_point_utf16_low_surrogate (ch) && lit_is_code_point_utf16_high_surrogate (prev_ch))
{
@@ -352,7 +352,7 @@ lit_get_utf8_length_of_cesu8_string (const lit_utf8_byte_t *cesu8_buf_p, /**< ce
while (offset < cesu8_buf_size)
{
ecma_char_t ch;
offset += lit_read_code_unit_from_utf8 (cesu8_buf_p + offset, &ch);
offset += lit_read_code_unit_from_cesu8 (cesu8_buf_p + offset, &ch);
if (!lit_is_code_point_utf16_low_surrogate (ch) || !lit_is_code_point_utf16_high_surrogate (prev_ch))
{
@@ -423,20 +423,21 @@ lit_read_code_point_from_utf8 (const lit_utf8_byte_t *buf_p, /**< buffer with ch
* @return number of bytes occupied by code point in the string
*/
lit_utf8_size_t
lit_read_code_unit_from_utf8 (const lit_utf8_byte_t *buf_p, /**< buffer with characters */
ecma_char_t *code_point) /**< [out] code point */
lit_read_code_unit_from_cesu8 (const lit_utf8_byte_t *buf_p, /**< buffer with characters */
ecma_char_t *code_unit) /**< [out] code unit */
{
JERRY_ASSERT (buf_p);
lit_utf8_byte_t c = buf_p[0];
if ((c & LIT_UTF8_1_BYTE_MASK) == LIT_UTF8_1_BYTE_MARKER)
{
*code_point = (ecma_char_t) (c & LIT_UTF8_LAST_7_BITS_MASK);
*code_unit = (ecma_char_t) (c & LIT_UTF8_LAST_7_BITS_MASK);
return 1;
}
lit_code_point_t ret = LIT_UNICODE_CODE_POINT_NULL;
lit_utf8_size_t bytes_count;
if ((c & LIT_UTF8_2_BYTE_MASK) == LIT_UTF8_2_BYTE_MARKER)
{
bytes_count = 2;
@@ -456,9 +457,47 @@ lit_read_code_unit_from_utf8 (const lit_utf8_byte_t *buf_p, /**< buffer with cha
}
JERRY_ASSERT (ret <= LIT_UTF16_CODE_UNIT_MAX);
*code_point = (ecma_char_t) ret;
*code_unit = (ecma_char_t) ret;
return bytes_count;
} /* lit_read_code_unit_from_utf8 */
} /* lit_read_code_unit_from_cesu8 */
/**
* Decodes a unicode code point from non-empty cesu-8-encoded buffer
*
* @return number of bytes occupied by code point in the string
*/
lit_utf8_size_t
lit_read_code_point_from_cesu8 (const lit_utf8_byte_t *buf_p, /**< buffer with characters */
const lit_utf8_byte_t *buf_end_p, /**< buffer end */
lit_code_point_t *code_point) /**< [out] code point */
{
ecma_char_t code_unit;
lit_utf8_size_t size = lit_read_code_unit_from_cesu8 (buf_p, &code_unit);
JERRY_ASSERT (buf_p + size <= buf_end_p);
if (lit_is_code_point_utf16_high_surrogate (code_unit))
{
buf_p += size;
if (buf_p < buf_end_p)
{
ecma_char_t next_code_unit;
lit_utf8_size_t next_size = lit_read_code_unit_from_cesu8 (buf_p, &next_code_unit);
if (lit_is_code_point_utf16_low_surrogate (next_code_unit))
{
JERRY_ASSERT (buf_p + next_size <= buf_end_p);
*code_point = lit_convert_surrogate_pair_to_code_point (code_unit, next_code_unit);
return size + next_size;
}
}
}
*code_point = code_unit;
return size;
} /* lit_read_code_point_from_cesu8 */
/**
* Decodes a unicode code unit from non-empty cesu-8-encoded buffer
@@ -472,7 +511,7 @@ lit_read_prev_code_unit_from_utf8 (const lit_utf8_byte_t *buf_p, /**< buffer wit
JERRY_ASSERT (buf_p);
lit_utf8_decr (&buf_p);
return lit_read_code_unit_from_utf8 (buf_p, code_point);
return lit_read_code_unit_from_cesu8 (buf_p, code_point);
} /* lit_read_prev_code_unit_from_utf8 */
/**
@@ -486,7 +525,7 @@ lit_cesu8_read_next (const lit_utf8_byte_t **buf_p) /**< [in,out] buffer with ch
JERRY_ASSERT (*buf_p);
ecma_char_t ch;
*buf_p += lit_read_code_unit_from_utf8 (*buf_p, &ch);
*buf_p += lit_read_code_unit_from_cesu8 (*buf_p, &ch);
return ch;
} /* lit_cesu8_read_next */
@@ -503,7 +542,7 @@ lit_cesu8_read_prev (const lit_utf8_byte_t **buf_p) /**< [in,out] buffer with ch
ecma_char_t ch;
lit_utf8_decr (buf_p);
lit_read_code_unit_from_utf8 (*buf_p, &ch);
lit_read_code_unit_from_cesu8 (*buf_p, &ch);
return ch;
} /* lit_cesu8_read_prev */
@@ -519,7 +558,7 @@ lit_cesu8_peek_next (const lit_utf8_byte_t *buf_p) /**< [in,out] buffer with cha
JERRY_ASSERT (buf_p != NULL);
ecma_char_t ch;
lit_read_code_unit_from_utf8 (buf_p, &ch);
lit_read_code_unit_from_cesu8 (buf_p, &ch);
return ch;
} /* lit_cesu8_peek_next */
@@ -631,7 +670,7 @@ lit_utf8_string_code_unit_at (const lit_utf8_byte_t *utf8_buf_p, /**< utf-8 stri
do
{
JERRY_ASSERT (current_p < utf8_buf_p + utf8_buf_size);
current_p += lit_read_code_unit_from_utf8 (current_p, &code_unit);
current_p += lit_read_code_unit_from_cesu8 (current_p, &code_unit);
}
while (code_unit_offset--);
@@ -827,7 +866,7 @@ lit_convert_cesu8_string_to_utf8_string (const lit_utf8_byte_t *cesu8_string, /*
while (cesu8_pos < cesu8_end_pos)
{
ecma_char_t ch;
lit_utf8_size_t code_unit_size = lit_read_code_unit_from_utf8 (cesu8_pos, &ch);
lit_utf8_size_t code_unit_size = lit_read_code_unit_from_cesu8 (cesu8_pos, &ch);
if (lit_is_code_point_utf16_low_surrogate (ch) && lit_is_code_point_utf16_high_surrogate (prev_ch))
{
@@ -900,8 +939,8 @@ bool lit_compare_utf8_strings_relational (const lit_utf8_byte_t *string1_p, /**<
while (string1_pos < string1_end_p && string2_pos < string2_end_p)
{
ecma_char_t ch1, ch2;
string1_pos += lit_read_code_unit_from_utf8 (string1_pos, &ch1);
string2_pos += lit_read_code_unit_from_utf8 (string2_pos, &ch2);
string1_pos += lit_read_code_unit_from_cesu8 (string1_pos, &ch1);
string2_pos += lit_read_code_unit_from_cesu8 (string2_pos, &ch2);
if (ch1 < ch2)
{
jerry-core/lit/lit-strings.h
+4 -2
View File
@@ -129,8 +129,10 @@ uint8_t lit_utf16_encode_code_point (lit_code_point_t cp, ecma_char_t *cu_p);
lit_utf8_size_t lit_read_code_point_from_utf8 (const lit_utf8_byte_t *buf_p, lit_utf8_size_t buf_size,
lit_code_point_t *code_point);
lit_utf8_size_t lit_read_code_unit_from_utf8 (const lit_utf8_byte_t *buf_p,
ecma_char_t *code_point);
lit_utf8_size_t lit_read_code_unit_from_cesu8 (const lit_utf8_byte_t *buf_p,
ecma_char_t *code_unit);
lit_utf8_size_t lit_read_code_point_from_cesu8 (const lit_utf8_byte_t *buf_p, const lit_utf8_byte_t *buf_end_p,
lit_code_point_t *code_point);
lit_utf8_size_t lit_read_prev_code_unit_from_utf8 (const lit_utf8_byte_t *buf_p,
ecma_char_t *code_point);