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Implement eval support for functions with arguments lexical env. (#3806)

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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
2020-06-08 12:11:54 +02:00
committed by GitHub
parent fed1b0c827
commit 2058ea1286
11 changed files with 214 additions and 44 deletions
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jerry-core/parser/js/js-parser-internal.h
+31 -19
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@@ -67,9 +67,9 @@ typedef enum
PARSER_FUNCTION_IS_PARSING_ARGS = (1u << 17), /**< set when parsing function arguments */
PARSER_FUNCTION_HAS_NON_SIMPLE_PARAM = (1u << 18), /**< function has a non simple parameter */
PARSER_FUNCTION_HAS_REST_PARAM = (1u << 19), /**< function has rest parameter */
/* These 4 status flags must be in this order. See PARSER_SAVED_FLAGS_OFFSET. */
PARSER_CLASS_CONSTRUCTOR = (1u << 20), /**< a class constructor is parsed
* Note: PARSER_ALLOW_SUPER must be present */
/* These three status flags must be in this order. See PARSER_SAVED_FLAGS_OFFSET. */
PARSER_ALLOW_SUPER = (1u << 21), /**< allow super property access */
PARSER_ALLOW_SUPER_CALL = (1u << 22), /**< allow super constructor call
* Note: PARSER_CLASS_CONSTRUCTOR must be present */
@@ -154,34 +154,40 @@ typedef enum
#if ENABLED (JERRY_ES2015)
/**
* Offset between PARSER_CLASS_CONSTRUCTOR and ECMA_PARSE_CLASS_CONSTRUCTOR
* Offset of PARSER_ALLOW_SUPER
*/
#define PARSER_SAVED_FLAGS_OFFSET \
(JERRY_LOG2 (PARSER_CLASS_CONSTRUCTOR) - JERRY_LOG2 (ECMA_PARSE_CLASS_CONSTRUCTOR))
JERRY_LOG2 (PARSER_ALLOW_SUPER)
/**
* Count of ecma_parse_opts_t class parsing options related bits
* Mask of saved flags
*/
#define PARSER_SAVED_FLAGS_COUNT \
(JERRY_LOG2 (ECMA_PARSE_ALLOW_NEW_TARGET) - JERRY_LOG2 (ECMA_PARSE_CLASS_CONSTRUCTOR) + 1)
/**
* Mask for get class option bits from ecma_parse_opts_t
*/
#define PARSER_CLASS_ECMA_PARSE_OPTS_TO_PARSER_OPTS_MASK \
(((1 << PARSER_SAVED_FLAGS_COUNT) - 1) << JERRY_LOG2 (ECMA_PARSE_CLASS_CONSTRUCTOR))
/**
* Get class option bits from ecma_parse_opts_t
*/
#define PARSER_GET_SAVED_FLAGS(opts) \
(((opts) & PARSER_CLASS_ECMA_PARSE_OPTS_TO_PARSER_OPTS_MASK) << PARSER_SAVED_FLAGS_OFFSET)
#define PARSER_SAVED_FLAGS_MASK \
((1 << (JERRY_LOG2 (PARSER_ALLOW_NEW_TARGET) - JERRY_LOG2 (PARSER_ALLOW_SUPER) + 1)) - 1)
/**
* Get class option bits from parser_general_flags_t
*/
#define PARSER_SAVE_STATUS_FLAGS(opts) \
((uint16_t) (((opts) >> PARSER_SAVED_FLAGS_OFFSET) & PARSER_CLASS_ECMA_PARSE_OPTS_TO_PARSER_OPTS_MASK))
((uint16_t) (((opts) >> PARSER_SAVED_FLAGS_OFFSET) & PARSER_SAVED_FLAGS_MASK))
/**
* Mask for get class option bits from ecma_parse_opts_t
*/
#define PARSER_RESTORE_STATUS_FLAGS_MASK \
(((ECMA_PARSE_ALLOW_NEW_TARGET << 1) - 1) - (ECMA_PARSE_ALLOW_SUPER - 1))
/**
* Shift for get class option bits from ecma_parse_opts_t
*/
#define PARSER_RESTORE_STATUS_FLAGS_SHIFT \
(JERRY_LOG2 (PARSER_ALLOW_SUPER) - JERRY_LOG2 (ECMA_PARSE_ALLOW_SUPER))
/**
* Get class option bits from ecma_parse_opts_t
*/
#define PARSER_RESTORE_STATUS_FLAGS(opts) \
(((opts) & PARSER_RESTORE_STATUS_FLAGS_MASK) << PARSER_RESTORE_STATUS_FLAGS_SHIFT)
/**
* All flags that affect exotic arguments object creation.
@@ -189,6 +195,12 @@ typedef enum
#define PARSER_ARGUMENTS_RELATED_FLAGS \
(PARSER_ARGUMENTS_NEEDED | PARSER_FUNCTION_HAS_NON_SIMPLE_PARAM | PARSER_IS_STRICT)
/**
* Get the corresponding eval flag for a ecma_parse_opts_t flag
*/
#define PARSER_GET_EVAL_FLAG(type) \
((type) >> JERRY_LOG2 (ECMA_PARSE_ALLOW_SUPER))
#else /* !ENABLED (JERRY_ES2015) */
/**