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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/operations/ecma-iterator-object.c
+12 -2
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@@ -579,10 +579,20 @@ ecma_op_iterator_close (ecma_value_t iterator) /**< iterator value */
* raised error - otherwise
*/
ecma_value_t
ecma_op_iterator_step (ecma_value_t iterator) /**< iterator value */
ecma_op_iterator_step (ecma_value_t iterator, /**< iterator value */
ecma_value_t next_method) /**< next method */
{
/* 1. */
ecma_value_t result = ecma_op_iterator_next_old (iterator, ECMA_VALUE_EMPTY);
ecma_value_t result;
if (next_method == ECMA_VALUE_EMPTY)
{
/* TODO: EMPTY support should be removed after all functions support next method caching. */
result = ecma_op_iterator_next_old (iterator, ECMA_VALUE_EMPTY);
}
else
{
result = ecma_op_iterator_next (iterator, next_method, ECMA_VALUE_EMPTY);
}
/* 2. */
if (ECMA_IS_VALUE_ERROR (result))