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Implement correct construction of let/const declarations and function statements. (#3259)

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Various cbc opcodes are added to support the different instantiations.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2019-10-30 16:01:55 +01:00
committed by Dániel Bátyai
parent 1c34539997
commit 1edfa81c76
21 changed files with 571 additions and 385 deletions
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jerry-core/parser/js/js-scanner-internal.h
+6 -2
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@@ -96,8 +96,11 @@ typedef enum
SCANNER_LITERAL_POOL_FUNCTION = (1 << 0), /**< literal pool represents a function */
SCANNER_LITERAL_POOL_BLOCK = (1 << 1), /**< literal pool represents a code block */
SCANNER_LITERAL_POOL_NO_REG = (1 << 2), /**< variable declarations cannot be kept in registers */
SCANNER_LITERAL_POOL_NO_ARGUMENTS = (1 << 3), /**< arguments object should not be constructed */
SCANNER_LITERAL_POOL_IN_WITH = (1 << 4), /**< literal pool is in a with statement */
#if ENABLED (JERRY_ES2015)
SCANNER_LITERAL_POOL_NO_VAR_REG = (1 << 3), /**< non let/const declarations cannot be kept in registers */
#endif /* ENABLED (JERRY_ES2015) */
SCANNER_LITERAL_POOL_NO_ARGUMENTS = (1 << 4), /**< arguments object should not be constructed */
SCANNER_LITERAL_POOL_IN_WITH = (1 << 5), /**< literal pool is in a with statement */
} scanner_literal_pool_flags_t;
/**
@@ -157,6 +160,7 @@ 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);
#endif /* ENABLED (JERRY_ES2015) */