YourWishes/jerryscript
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implement function.toString operation (#4752)

Browse Source 
May increase the memory consumtpion heavily.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2021-08-31 13:37:25 +02:00
committed by GitHub
parent 1c6b18ecdf
commit 6649940ea6
37 changed files with 1002 additions and 192 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-core/parser/js/js-lexer.c
+28 -2
View File
@@ -741,6 +741,9 @@ lexer_parse_identifier (parser_context_t *context_p, /**< context */
{
decoded_length = 2 * 3;
status_flags = LEXER_LIT_LOCATION_HAS_ESCAPE;
#if JERRY_FUNCTION_TO_STRING
context_p->global_status_flags |= ECMA_PARSE_INTERNAL_HAS_4_BYTE_MARKER;
#endif /* JERRY_FUNCTION_TO_STRING */
}
#else /* !JERRY_ESNEXT */
if (code_point < LIT_UTF8_4_BYTE_MARKER)
@@ -1171,6 +1174,9 @@ lexer_parse_string (parser_context_t *context_p, /**< context */
raw_length_adjust += 2;
#endif /* JERRY_ESNEXT */
column++;
#if JERRY_FUNCTION_TO_STRING
context_p->global_status_flags |= ECMA_PARSE_INTERNAL_HAS_4_BYTE_MARKER;
#endif /* JERRY_FUNCTION_TO_STRING */
continue;
}
else if (*source_p == LIT_CHAR_TAB)
@@ -1605,6 +1611,11 @@ lexer_next_token (parser_context_t *context_p) /**< context */
{
size_t length;
#if JERRY_ESNEXT && JERRY_FUNCTION_TO_STRING
/* Needed by arrow functions with expression body */
context_p->function_end_p = context_p->source_p;
#endif /* JERRY_ESNEXT && JERRY_FUNCTION_TO_STRING */
lexer_skip_spaces (context_p);
context_p->token.keyword_type = LEXER_EOS;
@@ -3069,7 +3080,7 @@ lexer_construct_regexp_object (parser_context_t *context_p, /**< context */
}
else
{
JERRY_ASSERT (lit_is_valid_utf8_string (regex_start_p, length));
JERRY_ASSERT (lit_is_valid_utf8_string (regex_start_p, length, false));
pattern_str_p = ecma_new_ecma_string_from_utf8_converted_to_cesu8 (regex_start_p, length);
}
@@ -3189,6 +3200,13 @@ lexer_expect_object_literal_id (parser_context_t *context_p, /**< context */
JERRY_ASSERT ((ident_opts & LEXER_OBJ_IDENT_CLASS_IDENTIFIER)
|| !(ident_opts & LEXER_OBJ_IDENT_CLASS_NO_STATIC));
#if JERRY_FUNCTION_TO_STRING
if (ident_opts & LEXER_OBJ_IDENT_SET_FUNCTION_START)
{
context_p->function_start_p = context_p->source_p;
}
#endif /* JERRY_FUNCTION_TO_STRING */
if (lexer_parse_identifier (context_p, LEXER_PARSE_NO_OPTS))
{
if (!(ident_opts & (LEXER_OBJ_IDENT_ONLY_IDENTIFIERS | LEXER_OBJ_IDENT_OBJECT_PATTERN)))
@@ -3253,6 +3271,10 @@ lexer_expect_object_literal_id (parser_context_t *context_p, /**< context */
#if JERRY_ESNEXT
case LIT_CHAR_LEFT_SQUARE:
{
#if JERRY_FUNCTION_TO_STRING
const uint8_t *function_start_p = context_p->function_start_p;
#endif /* JERRY_FUNCTION_TO_STRING */
lexer_consume_next_character (context_p);
lexer_next_token (context_p);
@@ -3262,6 +3284,10 @@ lexer_expect_object_literal_id (parser_context_t *context_p, /**< context */
{
parser_raise_error (context_p, PARSER_ERR_RIGHT_SQUARE_EXPECTED);
}
#if JERRY_FUNCTION_TO_STRING
context_p->function_start_p = function_start_p;
#endif /* JERRY_FUNCTION_TO_STRING */
return;
}
case LIT_CHAR_ASTERISK:
@@ -3277,7 +3303,7 @@ lexer_expect_object_literal_id (parser_context_t *context_p, /**< context */
}
case LIT_CHAR_DOT:
{
if ((ident_opts & ((uint32_t) ~LEXER_OBJ_IDENT_OBJECT_PATTERN))
if ((ident_opts & ((uint32_t) ~(LEXER_OBJ_IDENT_OBJECT_PATTERN | LEXER_OBJ_IDENT_SET_FUNCTION_START)))
|| context_p->source_p + 2 >= context_p->source_end_p
|| context_p->source_p[1] != LIT_CHAR_DOT
|| context_p->source_p[2] != LIT_CHAR_DOT)