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Introduce new API function to obtain well-known symbols (#4163)

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- jerry_get_well_known_symbol

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2020-08-31 10:03:05 +02:00
committed by GitHub
parent 2f08d8ac08
commit 1fd0cac8c9
5 changed files with 259 additions and 1 deletions
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jerry-core/lit/lit-magic-strings.h
+3 -1
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@@ -48,6 +48,7 @@ typedef enum
LIT_INTERNAL_MAGIC_PROMISE_CAPABILITY, /**< PromiseCapability record */
/* List of well known symbols */
LIT_GLOBAL_SYMBOL_HAS_INSTANCE, /**< @@hasInstance well known symbol */
LIT_GLOBAL_SYMBOL__FISRT = LIT_GLOBAL_SYMBOL_HAS_INSTANCE, /**< first global symbol */
LIT_GLOBAL_SYMBOL_IS_CONCAT_SPREADABLE, /**< @@isConcatSpreadable well known symbol */
LIT_GLOBAL_SYMBOL_ITERATOR, /**< @@iterator well known symbol */
LIT_GLOBAL_SYMBOL_ASYNC_ITERATOR, /**< @@asyncIterator well known symbol */
@@ -59,6 +60,7 @@ typedef enum
LIT_GLOBAL_SYMBOL_TO_PRIMITIVE, /**< @@toPrimitive well known symbol */
LIT_GLOBAL_SYMBOL_TO_STRING_TAG, /**< @@toStringTag well known symbol */
LIT_GLOBAL_SYMBOL_UNSCOPABLES, /**< @@unscopables well known symbol */
LIT_GLOBAL_SYMBOL__LAST = LIT_GLOBAL_SYMBOL_UNSCOPABLES, /**< last global symbol */
LIT_GC_MARK_REQUIRED_MAGIC_STRING__COUNT, /**< number of internal magic strings which will be used as
* property names, and their values need to be marked during gc. */
LIT_INTERNAL_MAGIC_STRING_DELETED = LIT_GC_MARK_REQUIRED_MAGIC_STRING__COUNT, /**< special value for
@@ -75,7 +77,7 @@ typedef enum
/**
* Checks whether the given id corresponds to a global symbol
*/
#define LIT_IS_GLOBAL_SYMBOL(id) ((id) >= LIT_GLOBAL_SYMBOL_HAS_INSTANCE && (id) <= LIT_GLOBAL_SYMBOL_UNSCOPABLES)
#define LIT_IS_GLOBAL_SYMBOL(id) ((id) >= LIT_GLOBAL_SYMBOL__FISRT && (id) <= LIT_GLOBAL_SYMBOL__LAST)
/**
* Identifiers of implementation-defined external magic string constants