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Implement ECMAScript 2022 private class methods and fields (#4831)

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Co-authored-by: Robert Fancsik robert.fancsik@h-lab.eu
Co-authored-by: Martin Negyokru mnegyokru@inf.u-szeged.hu
JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu
This commit is contained in:
Szilagyi Adam
2021-11-26 12:24:59 +01:00
committed by GitHub
parent 841e21a970
commit 70e275e92f
35 changed files with 2196 additions and 4341 deletions
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jerry-core/ecma/base/ecma-globals.h
+60 -16
View File
@@ -1184,16 +1184,32 @@ typedef struct
ecma_built_in_props_t built_in; /**< built-in object part */
} ecma_extended_built_in_object_t;
/**
* Type of lexical environment with class
*/
typedef enum
{
ECMA_LEX_ENV_CLASS_TYPE_MODULE, /**< module object reference */
ECMA_LEX_ENV_CLASS_TYPE_CLASS_ENV, /**< class constructor object reference */
} ecma_lexical_environment_class_type_t;
/**
* Description of lexical environment with class
*/
typedef struct
{
ecma_object_t lexical_env; /**< lexical environment header */
ecma_object_t *module_p; /**< module reference */
uint32_t type; /**< element of ecma_lexical_environment_class_type_t */
ecma_object_t *object_p; /**< object reference */
} ecma_lexical_environment_class_t;
/**
* Check whether the given lexical class environment is a module
*/
#define ECMA_LEX_ENV_CLASS_IS_MODULE(lex_env_p) \
(((lex_env_p)->type_flags_refs & ECMA_OBJECT_FLAG_LEXICAL_ENV_HAS_DATA) \
&& ((ecma_lexical_environment_class_t *) (lex_env_p))->type == ECMA_LEX_ENV_CLASS_TYPE_MODULE)
/**
* Description of native functions
*/
@@ -1892,6 +1908,13 @@ typedef struct
} u;
} ecma_extended_string_t;
#if JERRY_ESNEXT
/**
* Required number of ecma values in a compact collection to represent PrivateElement
*/
#define ECMA_PRIVATE_ELEMENT_LIST_SIZE 3
#endif /* JERRY_ESNEXT */
/**
* String builder header
*/
@@ -2248,24 +2271,23 @@ typedef struct
} ecma_dataview_object_t;
#endif /* JERRY_BUILTIN_DATAVIEW */
/**
* Flag for indicating whether the symbol is a well known symbol
*
* See also: 6.1.5.1
*/
#define ECMA_GLOBAL_SYMBOL_FLAG 0x01
/**
* Bitshift index for indicating whether the symbol is a well known symbol
*
* See also: 6.1.5.1
*/
#define ECMA_GLOBAL_SYMBOL_SHIFT 1
typedef enum
{
ECMA_SYMBOL_FLAG_NONE = 0, /**< no options */
ECMA_SYMBOL_FLAG_GLOBAL = (1 << 0), /**< symbol is a well known symbol, See also: 6.1.5.1 */
ECMA_SYMBOL_FLAG_PRIVATE_KEY = (1 << 1), /**< symbol is a private field */
ECMA_SYMBOL_FLAG_PRIVATE_INSTANCE_METHOD = (1 << 2), /**< symbol is a private method or accessor */
} ecma_symbol_flags_t;
/**
* Bitshift index for the symbol hash property
*/
#define ECMA_SYMBOL_HASH_SHIFT 2
#define ECMA_SYMBOL_FLAGS_SHIFT 3
/**
* Bitmask for symbol hash flags
*/
#define ECMA_SYMBOL_FLAGS_MASK ((1 << ECMA_SYMBOL_FLAGS_SHIFT) - 1)
#if (JERRY_STACK_LIMIT != 0)
/**
@@ -2481,6 +2503,28 @@ typedef struct
ecma_extended_object_t header; /**< header part */
ecma_value_t sync_next_method; /**< IteratorRecord [[NextMethod]] internal slot */
} ecma_async_from_sync_iterator_object_t;
/**
* Private method kind
*/
typedef enum
{
ECMA_PRIVATE_FIELD = 0, /**< private field */
ECMA_PRIVATE_METHOD, /**< private method */
ECMA_PRIVATE_GETTER, /**< private setter */
ECMA_PRIVATE_SETTER, /**< private getter */
} ecma_private_property_kind_t;
/**
* Private static property flag
*/
#define ECMA_PRIVATE_PROPERTY_STATIC_FLAG (1 << 2)
/*
* Get private property kind from a descriptor
*/
#define ECMA_PRIVATE_PROPERTY_KIND(prop) ((prop) & ((ECMA_PRIVATE_PROPERTY_STATIC_FLAG - 1)))
#endif /* JERRY_ESNEXT */
/**