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Simplify ecma_property_types_t. (#1438)

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Free a new bit in the property descriptor by combining internal
and special property types into one group. Also simplify checking
special properties since bit-and operation is not needed anymore.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2016-11-17 13:26:02 +01:00
committed by GitHub
parent b2fec888d4
commit 7131243dda
6 changed files with 66 additions and 69 deletions
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jerry-core/ecma/base/ecma-property-hashmap.c
+4 -4
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@@ -126,6 +126,7 @@ ecma_property_hashmap_create (ecma_object_t *object_p) /**< object */
memset (hashmap_p, 0, total_size);
hashmap_p->header.types[0] = ECMA_PROPERTY_TYPE_HASHMAP;
hashmap_p->header.types[1] = ECMA_PROPERTY_TYPE_DELETED;
hashmap_p->header.next_property_cp = object_p->property_list_or_bound_object_cp;
hashmap_p->max_property_count = max_property_count;
hashmap_p->null_count = max_property_count - named_property_count;
@@ -230,8 +231,7 @@ ecma_property_hashmap_free (ecma_object_t *object_p) /**< object */
/* Property hash must be exists and must be the first property. */
ecma_property_header_t *property_p = ecma_get_property_list (object_p);
JERRY_ASSERT (property_p != NULL
&& ECMA_PROPERTY_GET_TYPE (property_p->types[0]) == ECMA_PROPERTY_TYPE_HASHMAP);
JERRY_ASSERT (property_p != NULL && property_p->types[0] == ECMA_PROPERTY_TYPE_HASHMAP);
ecma_property_hashmap_t *hashmap_p = (ecma_property_hashmap_t *) property_p;
@@ -257,7 +257,7 @@ ecma_property_hashmap_insert (ecma_object_t *object_p, /**< object */
ecma_property_hashmap_t *hashmap_p = ECMA_GET_NON_NULL_POINTER (ecma_property_hashmap_t,
object_p->property_list_or_bound_object_cp);
JERRY_ASSERT (ECMA_PROPERTY_GET_TYPE (hashmap_p->header.types[0]) == ECMA_PROPERTY_TYPE_HASHMAP);
JERRY_ASSERT (hashmap_p->header.types[0] == ECMA_PROPERTY_TYPE_HASHMAP);
/* The NULLs are reduced below 1/8 of the hashmap. */
if (hashmap_p->null_count < (hashmap_p->max_property_count >> 3))
@@ -340,7 +340,7 @@ ecma_property_hashmap_delete (ecma_object_t *object_p, /**< object */
ecma_property_hashmap_t *hashmap_p = ECMA_GET_NON_NULL_POINTER (ecma_property_hashmap_t,
object_p->property_list_or_bound_object_cp);
JERRY_ASSERT (ECMA_PROPERTY_GET_TYPE (hashmap_p->header.types[0]) == ECMA_PROPERTY_TYPE_HASHMAP);
JERRY_ASSERT (hashmap_p->header.types[0] == ECMA_PROPERTY_TYPE_HASHMAP);
uint32_t entry_index = name_p->hash;
uint32_t step = ecma_property_hashmap_steps[entry_index & (ECMA_PROPERTY_HASHMAP_NUMBER_OF_STEPS - 1)];