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Refactor object property chain to use property pairs. The patch

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itself seems a step back, but the primary aim is opening future
optimization opportunities. The list of changes follows:

 - Property is changed to be an abstract type, which has type, flags,
   and a value. It does not have a name anymore and property pointers
   cannot be compressed.
 - Full (32 bit) ecma values can be property values. This allows
   using non-compressed pointers for ecma values in the future.
 - The property chain is not restricted to the same item anymore,
   it can contain hash maps, arrays in the future.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2016-04-13 23:25:16 -07:00
parent 9aca0086b9
commit c7dcce4fc7
34 changed files with 883 additions and 649 deletions
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jerry-core/ecma/operations/ecma-get-put-value.c
+5 -5
View File
@@ -124,7 +124,7 @@ ecma_op_get_value_object_base (ecma_reference_t ref) /**< ECMA-reference */
// 3.
ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED);
}
else if (prop_p->flags & ECMA_PROPERTY_FLAG_NAMEDDATA)
else if (ECMA_PROPERTY_GET_TYPE (prop_p) == ECMA_PROPERTY_TYPE_NAMEDDATA)
{
// 4.
ret_value = ecma_copy_value (ecma_get_named_data_property_value (prop_p));
@@ -132,7 +132,7 @@ ecma_op_get_value_object_base (ecma_reference_t ref) /**< ECMA-reference */
else
{
// 5.
JERRY_ASSERT (prop_p->flags & ECMA_PROPERTY_FLAG_NAMEDACCESSOR);
JERRY_ASSERT (ECMA_PROPERTY_GET_TYPE (prop_p) == ECMA_PROPERTY_TYPE_NAMEDACCESSOR);
ecma_object_t *obj_p = ecma_get_named_accessor_property_getter (prop_p);
@@ -304,16 +304,16 @@ ecma_op_put_value_object_base (ecma_reference_t ref, /**< ECMA-reference */
ecma_property_t *prop_p = ecma_op_object_get_property (obj_p, referenced_name_p);
// sub_4., sub_7
if ((own_prop_p != NULL && (own_prop_p->flags & ECMA_PROPERTY_FLAG_NAMEDDATA))
if ((own_prop_p != NULL && ECMA_PROPERTY_GET_TYPE (own_prop_p) == ECMA_PROPERTY_TYPE_NAMEDDATA)
|| (prop_p == NULL)
|| !(prop_p->flags & ECMA_PROPERTY_FLAG_NAMEDACCESSOR))
|| ECMA_PROPERTY_GET_TYPE (prop_p) != ECMA_PROPERTY_TYPE_NAMEDACCESSOR)
{
ret_value = ecma_reject_put (ref.is_strict);
}
else
{
// sub_6.
JERRY_ASSERT (prop_p != NULL && (prop_p->flags & ECMA_PROPERTY_FLAG_NAMEDACCESSOR));
JERRY_ASSERT (prop_p != NULL && ECMA_PROPERTY_GET_TYPE (prop_p) == ECMA_PROPERTY_TYPE_NAMEDACCESSOR);
ecma_object_t *setter_p = ecma_get_named_accessor_property_setter (prop_p);
JERRY_ASSERT (setter_p != NULL);