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Fix local scoping for functions. (#3559)

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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
2020-02-18 09:49:03 +01:00
committed by GitHub
parent 44e63e038d
commit fda02d4b2a
18 changed files with 366 additions and 288 deletions
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jerry-core/parser/js/js-parser-internal.h
+6 -7
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@@ -73,11 +73,12 @@ typedef enum
PARSER_CLASS_STATIC_FUNCTION = (1u << 22), /**< this function is a static class method */
PARSER_CLASS_SUPER_PROP_REFERENCE = (1u << 23), /**< super property call or assignment */
PARSER_IS_EVAL = (1u << 24), /**< eval code */
PARSER_IS_DIRECT_EVAL = (1u << 25), /**< direct eval code */
#endif /* ENABLED (JERRY_ES2015) */
#if ENABLED (JERRY_ES2015_MODULE_SYSTEM)
PARSER_IS_MODULE = (1u << 25), /**< an export / import keyword is encountered */
PARSER_MODULE_DEFAULT_CLASS_OR_FUNC = (1u << 26), /**< parsing a function or class default export */
PARSER_MODULE_STORE_IDENT = (1u << 27), /**< store identifier of the current export statement */
PARSER_IS_MODULE = (1u << 26), /**< an export / import keyword is encountered */
PARSER_MODULE_DEFAULT_CLASS_OR_FUNC = (1u << 27), /**< parsing a function or class default export */
PARSER_MODULE_STORE_IDENT = (1u << 28), /**< store identifier of the current export statement */
#endif /* ENABLED (JERRY_ES2015_MODULE_SYSTEM) */
PARSER_HAS_LATE_LIT_INIT = (1u << 30), /**< there are identifier or string literals which construction
* is postponed after the local parser data is freed */
@@ -361,10 +362,7 @@ typedef struct
* When map_from == PARSER_SCOPE_STACK_FUNC:
* map_to represents the literal reserved for a function literal
* Note: the name of the function is the previous value in the scope stack
*
* When map_to == PARSER_SCOPE_STACK_FUNC:
* map_from represents the name of the function literal following this literal
* Note: only the name, the real mapping is somewhere else in the scope stack
* Note: map_to is not encoded in this case
*/
#define PARSER_SCOPE_STACK_FUNC 0xffff
@@ -726,6 +724,7 @@ void scanner_cleanup (parser_context_t *context_p);
bool scanner_is_context_needed (parser_context_t *context_p);
#if ENABLED (JERRY_ES2015)
bool scanner_is_global_context_needed (parser_context_t *context_p);
bool scanner_scope_find_let_declaration (parser_context_t *context_p, lexer_lit_location_t *literal_p);
bool scanner_try_scan_new_target (parser_context_t *context_p);
#endif /* ENABLED (JERRY_ES2015) */
void scanner_create_variables (parser_context_t *context_p, uint32_t option_flags);