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Support caching of next method in for-of and built-in methods. (#3939)

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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
2020-06-26 14:47:39 +02:00
committed by GitHub
parent 264bb210c1
commit 0b404ea893
12 changed files with 150 additions and 70 deletions
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jerry-core/ecma/builtin-objects/ecma-builtin-array.c
+5 -2
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@@ -153,7 +153,8 @@ ecma_builtin_array_object_from (ecma_value_t this_arg, /**< 'this' argument */
ecma_object_t *array_obj_p = ecma_get_object_from_value (array);
/* 6.d */
ecma_value_t iterator = ecma_op_get_iterator (items, using_iterator, NULL);
ecma_value_t next_method;
ecma_value_t iterator = ecma_op_get_iterator (items, using_iterator, &next_method);
ecma_free_value (using_iterator);
/* 6.e */
@@ -170,7 +171,7 @@ ecma_builtin_array_object_from (ecma_value_t this_arg, /**< 'this' argument */
while (true)
{
/* 6.g.ii */
ecma_value_t next = ecma_op_iterator_step (iterator);
ecma_value_t next = ecma_op_iterator_step (iterator, next_method);
/* 6.g.iii */
if (ECMA_IS_VALUE_ERROR (next))
@@ -196,6 +197,7 @@ ecma_builtin_array_object_from (ecma_value_t this_arg, /**< 'this' argument */
}
ecma_free_value (iterator);
ecma_free_value (next_method);
/* 6.g.iv.3 */
return array;
}
@@ -254,6 +256,7 @@ ecma_builtin_array_object_from (ecma_value_t this_arg, /**< 'this' argument */
iterator_cleanup:
ecma_free_value (iterator);
ecma_free_value (next_method);
ecma_free_value (array);
return ret_value;