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Implement Symbol.unscopables (#3405)

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Added a new property for Array.prototype based on ECMA-262 v6, 22.1.3.31
Also upgraded the HasBinding operation with ECMA-262 v6, 8.1.1.2.1 steps 7-9

JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu
This commit is contained in:
Szilagyi Adam
2019-12-19 16:34:23 +01:00
committed by Robert Fancsik
parent 52616f7d8c
commit 7bfbc701d8
7 changed files with 294 additions and 33 deletions
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jerry-core/ecma/builtin-objects/ecma-builtins.inc.h
+7
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@@ -510,6 +510,13 @@ BUILTIN_ROUTINE (ECMA_BUILTIN_ID_WEAKSET,
#if ENABLED (JERRY_ES2015)
/* The Array.prototype[@@unscopables] object */
BUILTIN (ECMA_BUILTIN_ID_ARRAY_PROTOTYPE_UNSCOPABLES,
ECMA_OBJECT_TYPE_GENERAL,
ECMA_BUILTIN_ID__COUNT,
true,
array_prototype_unscopables)
/* The Symbol prototype object (ECMA-262 v6, 19.4.2.7) */
BUILTIN (ECMA_BUILTIN_ID_SYMBOL_PROTOTYPE,
ECMA_OBJECT_TYPE_GENERAL,