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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-scanner-internal.h
+2 -7
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@@ -160,8 +160,6 @@ typedef enum
#if ENABLED (JERRY_ES2015)
/** literal is a destructured argument binding */
SCANNER_LITERAL_IS_DESTRUCTURED_ARG = SCANNER_LITERAL_IS_CONST,
/** literal is a local function */
SCANNER_LITERAL_IS_FUNC_LOCAL = SCANNER_LITERAL_IS_CONST,
SCANNER_LITERAL_IS_USED = (1 << 6), /**< literal is used */
#endif /* ENABLED (JERRY_ES2015) */
} scanner_literal_type_flags_t;
@@ -170,12 +168,10 @@ typedef enum
* Known combinations:
*
* SCANNER_LITERAL_IS_FUNC | SCANNER_LITERAL_IS_FUNC_DECLARATION :
* function declared in this block, might be let or var
* SCANNER_LITERAL_IS_FUNC | SCANNER_LITERAL_IS_FUNC_LOCAL :
* function is visible only in this block
* function declared in this block
* SCANNER_LITERAL_IS_LOCAL :
* module import on global scope, catch block variable otherwise
* SCANNER_LITERAL_IS_ARG | SCANNER_LITERAL_IS_FUNC :
* SCANNER_LITERAL_IS_ARG | SCANNER_LITERAL_IS_FUNC :
* a function argument which is reassigned to a function later
* SCANNER_LITERAL_IS_ARG | SCANNER_LITERAL_IS_DESTRUCTURED_ARG :
* destructured binding argument
@@ -346,7 +342,6 @@ lexer_lit_location_t *scanner_add_literal (parser_context_t *context_p, scanner_
void scanner_add_reference (parser_context_t *context_p, scanner_context_t *scanner_context_p);
void scanner_append_argument (parser_context_t *context_p, scanner_context_t *scanner_context_p);
#if ENABLED (JERRY_ES2015)
bool scanner_scope_find_let_declaration (parser_context_t *context_p, lexer_lit_location_t *literal_p);
void scanner_detect_invalid_var (parser_context_t *context_p, scanner_context_t *scanner_context_p,
lexer_lit_location_t *var_literal_p);
void scanner_detect_invalid_let (parser_context_t *context_p, lexer_lit_location_t *let_literal_p);