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Reduce the memory consumption of function objects. (#1954)

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Several properties of strict and bound functions are moved to
lazy property instantiation. The memory consumption of bound
functions are also reduced when only a this is present.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2017-08-30 14:17:35 +02:00
committed by Dániel Bátyai
parent 82a94d0f88
commit e897858c64
10 changed files with 275 additions and 232 deletions
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jerry-core/ecma/base/ecma-helpers-string.c
+22 -10
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@@ -1337,29 +1337,41 @@ ecma_string_raw_chars (const ecma_string_t *string_p, /**< ecma-string */
} /* ecma_string_raw_chars */
/**
* Checks whether ecma string is empty or not
* Checks whether the string equals to the magic string id.
*
* @return true - if empty
* @return true - if the string equals to the magic string id
* false - otherwise
*/
bool
ecma_string_is_empty (const ecma_string_t *str_p) /**< ecma-string */
inline bool __attr_always_inline___
ecma_compare_ecma_string_to_magic_id (const ecma_string_t *string_p, /**< property name */
lit_magic_string_id_t id) /**< magic string id */
{
return (ECMA_STRING_GET_CONTAINER (str_p) == ECMA_STRING_CONTAINER_MAGIC_STRING
&& str_p->u.magic_string_id == LIT_MAGIC_STRING__EMPTY);
return (ECMA_STRING_GET_CONTAINER (string_p) == ECMA_STRING_CONTAINER_MAGIC_STRING
&& string_p->u.magic_string_id == id);
} /* ecma_compare_ecma_string_to_magic_id */
/**
* Checks whether ecma string is empty or not
*
* @return true - if the string is an empty string
* false - otherwise
*/
inline bool __attr_always_inline___
ecma_string_is_empty (const ecma_string_t *string_p) /**< ecma-string */
{
return ecma_compare_ecma_string_to_magic_id (string_p, LIT_MAGIC_STRING__EMPTY);
} /* ecma_string_is_empty */
/**
* Checks whether the string equals to "length".
*
* @return true if the string equals to "length"
* false otherwise
* @return true - if the string equals to "length"
* false - otherwise
*/
inline bool __attr_always_inline___
ecma_string_is_length (const ecma_string_t *string_p) /**< property name */
{
return (ECMA_STRING_GET_CONTAINER (string_p) == ECMA_STRING_CONTAINER_MAGIC_STRING
&& string_p->u.magic_string_id == LIT_MAGIC_STRING_LENGTH);
return ecma_compare_ecma_string_to_magic_id (string_p, LIT_MAGIC_STRING_LENGTH);
} /* ecma_string_is_length */
/**