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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/parser/js/js-parser-internal.h
+4 -3
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@@ -637,8 +637,7 @@ bool lexer_check_yield_no_arg (parser_context_t *context_p);
void lexer_parse_string (parser_context_t *context_p);
void lexer_expect_identifier (parser_context_t *context_p, uint8_t literal_type);
void lexer_scan_identifier (parser_context_t *context_p, uint32_t ident_opts);
ecma_char_t lexer_hex_to_character (parser_context_t *context_p, const uint8_t *source_p, int length);
void lexer_convert_ident_to_cesu8 (const uint8_t *source_p, uint8_t *destination_p, prop_length_t length);
void lexer_convert_ident_to_cesu8 (uint8_t *destination_p, const uint8_t *source_p, prop_length_t length);
void lexer_expect_object_literal_id (parser_context_t *context_p, uint32_t ident_opts);
void lexer_construct_literal_object (parser_context_t *context_p, const lexer_lit_location_t *literal_p,
uint8_t literal_type);
@@ -646,7 +645,9 @@ bool lexer_construct_number_object (parser_context_t *context_p, bool is_expr, b
void lexer_convert_push_number_to_push_literal (parser_context_t *context_p);
uint16_t lexer_construct_function_object (parser_context_t *context_p, uint32_t extra_status_flags);
void lexer_construct_regexp_object (parser_context_t *context_p, bool parse_only);
bool lexer_compare_identifiers (const uint8_t *left_p, const uint8_t *right_p, size_t size);
bool lexer_compare_identifier_to_string (const lexer_lit_location_t *left_p, const uint8_t *right_p, size_t size);
bool lexer_compare_identifiers (parser_context_t *context_p, const lexer_lit_location_t *left_p,
const lexer_lit_location_t *right_p);
bool lexer_current_is_literal (parser_context_t *context_p, const lexer_lit_location_t *right_ident_p);
#if ENABLED (JERRY_ES2015)
bool lexer_token_is_identifier (parser_context_t *context_p, const char *identifier_p,