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Fix array-indexed property name calculation for fast access mode arrays in property name listing (#3533)

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This patch fixes #3532.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2020-01-23 17:21:35 +01:00
committed by Dániel Bátyai
parent 3c5fb342be
commit e693854dae
4 changed files with 39 additions and 1 deletions
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jerry-core/ecma/operations/ecma-array-object.c
+12
View File
@@ -301,6 +301,18 @@ ecma_fast_array_set_property (ecma_object_t *object_p, /**< fast access mode arr
return true;
} /* ecma_fast_array_set_property */
/**
* Get the number of array holes in a fast access array object
*
* @return number of array holes in a fast access array object
*/
inline uint32_t JERRY_ATTR_ALWAYS_INLINE
ecma_fast_array_get_hole_count (ecma_object_t *obj_p) /**< fast access mode array object */
{
JERRY_ASSERT (ecma_op_object_is_fast_array (obj_p));
return ((ecma_extended_object_t *) obj_p)->u.array.u.hole_count >> ECMA_FAST_ARRAY_HOLE_SHIFT;
} /* ecma_fast_array_get_hole_count */
/**
* Extend the underlying buffer of a fast mode access array for the given new length
jerry-core/ecma/operations/ecma-array-object.h
+3
View File
@@ -74,6 +74,9 @@ ecma_op_object_is_fast_array (ecma_object_t *object_p);
bool
ecma_op_array_is_fast_array (ecma_extended_object_t *array_p);
uint32_t
ecma_fast_array_get_hole_count (ecma_object_t *obj_p);
ecma_value_t *
ecma_fast_array_extend (ecma_object_t *object_p, uint32_t new_lengt);
jerry-core/ecma/operations/ecma-objects.c
+1 -1
View File
@@ -2015,7 +2015,7 @@ ecma_op_object_get_property_names (ecma_object_t *obj_p, /**< object */
ecma_extended_object_t *ext_obj_p = (ecma_extended_object_t *) prototype_chain_iter_p;
uint32_t length = ext_obj_p->u.array.length;
array_index_named_properties_count = length;
array_index_named_properties_count = length - ecma_fast_array_get_hole_count (prototype_chain_iter_p);
ecma_value_t *values_p = ECMA_GET_NON_NULL_POINTER (ecma_value_t, prop_iter_cp);