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Implement the Symbol builtin object (#2601)

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This patch contains the base functionalities that the new builtin object requires.

Currently unavailable:
 - print (Symbol('foo')) - this features requires the refactor of the print handler function
 - Several global symbol based builtin routines (follow up patch)

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-01-16 10:09:23 +01:00
committed by Robert Sipka
parent 08c7183ef8
commit 7e3d688e5b
43 changed files with 1896 additions and 212 deletions
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jerry-core/lit/lit-magic-strings.h
+12
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@@ -46,6 +46,18 @@ typedef enum
LIT_INTERNAL_MAGIC_STRING_PROMISE_PROPERTY_INDEX, /**< [[Index]] property */
LIT_INTERNAL_MAGIC_STRING_PROMISE_PROPERTY_VALUE, /**< [[Values]] property */
LIT_INTERNAL_MAGIC_STRING_PROMISE_PROPERTY_REMAINING_ELEMENT, /**< [[RemainingElement]] property */
/* List of well known symbols */
LIT_GLOBAL_SYMBOL_HAS_INSTANCE, /**< @@hasInstance well known symbol */
LIT_GLOBAL_SYMBOL_IS_CONCAT_SPREADABLE, /**< @@isConcatSpreadable well known symbol */
LIT_GLOBAL_SYMBOL_ITERATOR, /**< @@iterator well known symbol */
LIT_GLOBAL_SYMBOL_MATCH, /**< @@match well known symbol */
LIT_GLOBAL_SYMBOL_REPLACE, /**< @@replace well known symbol */
LIT_GLOBAL_SYMBOL_SEARCH, /**< @@search well known symbol */
LIT_GLOBAL_SYMBOL_SPECIES, /**< @@species well known symbol */
LIT_GLOBAL_SYMBOL_SPLIT, /**< @@split well known symbol */
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_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