YourWishes/jerryscript
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Change string length into a virtual property. (#1395)

Browse Source 
Reduces the memory consumption of String objects.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2016-10-18 11:11:00 +02:00
committed by GitHub
parent e8428383f1
commit 6af70e5899
2 changed files with 32 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-core/ecma/operations/ecma-objects.c
+27
View File
@@ -86,6 +86,22 @@ ecma_op_object_get_own_property (ecma_object_t *object_p, /**< the object */
{
if (type == ECMA_OBJECT_TYPE_STRING)
{
if (ecma_string_is_length (property_name_p))
{
if (options & ECMA_PROPERTY_GET_VALUE)
{
ecma_value_t *prim_value_p = ecma_get_internal_property (object_p,
ECMA_INTERNAL_PROPERTY_ECMA_VALUE);
ecma_string_t *prim_value_str_p = ecma_get_string_from_value (*prim_value_p);
ecma_length_t length = ecma_string_get_length (prim_value_str_p);
property_ref_p->virtual_value = ecma_make_uint32_value (length);
}
return ECMA_PROPERTY_TYPE_VIRTUAL;
}
uint32_t index;
if (ecma_string_get_array_index (property_name_p, &index))
@@ -316,6 +332,17 @@ ecma_op_object_find_own (ecma_value_t base_value, /**< base value */
{
if (type == ECMA_OBJECT_TYPE_STRING)
{
if (ecma_string_is_length (property_name_p))
{
ecma_value_t *prim_value_p = ecma_get_internal_property (object_p,
ECMA_INTERNAL_PROPERTY_ECMA_VALUE);
ecma_string_t *prim_value_str_p = ecma_get_string_from_value (*prim_value_p);
ecma_length_t length = ecma_string_get_length (prim_value_str_p);
return ecma_make_uint32_value (length);
}
uint32_t index;
if (ecma_string_get_array_index (property_name_p, &index))