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Reduce memory consumption of Promise objects (#4607)

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No need to keep a reference to resolver functions.
Unused resolvers are cleaned up sooner by GC.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2021-02-24 08:51:23 +01:00
committed by GitHub
parent 1cf2989a64
commit a3bdd36556
5 changed files with 81 additions and 87 deletions
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jerry-core/ecma/operations/ecma-promise-object.h
+3 -3
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@@ -54,8 +54,6 @@ typedef struct
{
ecma_extended_object_t header; /**< extended object part */
ecma_collection_t *reactions; /**< list of promise reactions */
ecma_value_t resolve; /**< resolve function */
ecma_value_t reject; /**< reject function */
} ecma_promise_object_t;
/**
@@ -101,6 +99,8 @@ uint16_t ecma_promise_get_flags (ecma_object_t *promise_p);
ecma_value_t ecma_promise_get_result (ecma_object_t *promise_p);
void ecma_reject_promise (ecma_value_t promise, ecma_value_t reason);
void ecma_fulfill_promise (ecma_value_t promise, ecma_value_t value);
ecma_value_t ecma_reject_promise_with_checks (ecma_value_t promise, ecma_value_t reason);
ecma_value_t ecma_fulfill_promise_with_checks (ecma_value_t promise, ecma_value_t value);
ecma_object_t *ecma_promise_new_capability (ecma_value_t constructor, ecma_value_t parent);
ecma_value_t ecma_promise_reject_or_resolve (ecma_value_t this_arg, ecma_value_t value, bool is_resolve);
ecma_value_t ecma_promise_then (ecma_value_t promise, ecma_value_t on_fulfilled, ecma_value_t on_rejected);
@@ -125,7 +125,7 @@ ecma_value_t ecma_op_get_capabilities_executor_cb (ecma_object_t *function_obj_p
ecma_value_t ecma_promise_finally (ecma_value_t promise, ecma_value_t on_finally);
void ecma_promise_async_then (ecma_value_t promise, ecma_value_t executable_object);
ecma_value_t ecma_promise_async_await (ecma_extended_object_t *async_generator_object_p, ecma_value_t value);
void ecma_promise_create_resolving_functions (ecma_promise_object_t *object_p);
ecma_value_t ecma_promise_run_executor (ecma_object_t *promise_p, ecma_value_t executor, ecma_value_t this_value);
uint32_t ecma_promise_remaining_inc_or_dec (ecma_value_t remaining, bool is_inc);