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Support let identifier in non-strict mode. (#3427)

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This code adds a lot of checks and complexity to the code.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2019-12-10 14:32:08 +01:00
committed by Dániel Bátyai
parent 6cc9848afc
commit 531f1e9687
13 changed files with 449 additions and 81 deletions
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jerry-core/parser/js/js-parser-internal.h
+11 -5
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@@ -112,8 +112,9 @@ typedef enum
PARSER_PATTERN_TARGET_DEFAULT = (1u << 2), /**< perform default value comparison for assignment target */
PARSER_PATTERN_NESTED_PATTERN = (1u << 3), /**< parse patter inside a pattern */
PARSER_PATTERN_LEXICAL = (1u << 4), /**< pattern is a lexical (let/const) declaration */
PARSER_PATTERN_REST_ELEMENT = (1u << 5), /**< parse rest array initializer */
PARSER_PATTERN_ARGUMENTS = (1u << 6), /**< parse arguments binding */
PARSER_PATTERN_LOCAL = (1u << 5), /**< pattern is a local (catch parameter) declaration */
PARSER_PATTERN_REST_ELEMENT = (1u << 6), /**< parse rest array initializer */
PARSER_PATTERN_ARGUMENTS = (1u << 7), /**< parse arguments binding */
} parser_pattern_flags_t;
/**
@@ -646,9 +647,14 @@ 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_current (parser_context_t *context_p, const lexer_lit_location_t *right_ident_p);
bool lexer_compare_literal_to_identifier (parser_context_t *context_p, const char *identifier_p,
size_t identifier_length);
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,
size_t identifier_length);
bool lexer_token_is_let (parser_context_t *context_p);
bool lexer_literal_object_is_identifier (parser_context_t *context_p, const char *identifier_p,
size_t identifier_length);
#endif /* ENABLED (JERRY_ES2015) */
bool lexer_compare_literal_to_string (parser_context_t *context_p, const char *string_p, size_t string_length);
uint8_t lexer_convert_binary_lvalue_token_to_binary (uint8_t token);