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Support iterable objects in Promise.all and Promise.race functions (#3496)

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JerryScript-DCO-1.0-Signed-off-by: Daniel Balla dballa@inf.u-szeged.hu
This commit is contained in:
Daniel Balla
2020-01-10 15:44:52 +01:00
committed by Robert Fancsik
parent c407e8a04c
commit 1725e014b8
7 changed files with 416 additions and 195 deletions
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jerry-core/ecma/operations/ecma-promise-object.c
+39 -32
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@@ -249,8 +249,8 @@ ecma_promise_reject_handler (const ecma_value_t function, /**< the function itse
/* 4. */
if (ecma_get_already_resolved_bool_value (already_resolved))
{
ecma_free_value (promise);
ecma_free_value (already_resolved);
ecma_free_value (promise);
return ECMA_VALUE_UNDEFINED;
}
@@ -325,7 +325,7 @@ ecma_promise_resolve_handler (const ecma_value_t function, /**< the function its
/* 8. */
ecma_value_t then = ecma_op_object_get_by_magic_id (ecma_get_object_from_value (argv[0]),
LIT_MAGIC_STRING_THEN);
LIT_MAGIC_STRING_THEN);
if (ECMA_IS_VALUE_ERROR (then))
{
@@ -409,6 +409,35 @@ ecma_call_builtin_executor (ecma_object_t *executor_p, /**< the executor object
return ECMA_VALUE_UNDEFINED;
} /* ecma_call_builtin_executor */
/**
* Helper function for PromiseCreateResovingFucntions.
*
* See also: ES2015 25.4.1.3 2. - 7.
*
* @return pointer to the resolving function
*/
static ecma_object_t *
ecma_promise_create_resolving_functions_helper (ecma_object_t *obj_p, /**< Promise Object */
ecma_value_t already_resolved, /**< AlreadyResolved property */
ecma_external_handler_t handler_cb) /**< Callback handler */
{
ecma_string_t *str_promise_p = ecma_get_magic_string (LIT_INTERNAL_MAGIC_STRING_PROMISE);
ecma_string_t *str_already_resolved_p = ecma_get_magic_string (LIT_INTERNAL_MAGIC_STRING_ALREADY_RESOLVED);
ecma_object_t *func_obj_p = ecma_op_create_external_function_object (handler_cb);
ecma_op_object_put (func_obj_p,
str_promise_p,
ecma_make_object_value (obj_p),
false);
ecma_op_object_put (func_obj_p,
str_already_resolved_p,
already_resolved,
false);
return func_obj_p;
} /* ecma_promise_create_resolving_functions_helper */
/**
* Create a PromiseCreateResovingFucntions.
*
@@ -422,36 +451,15 @@ ecma_promise_create_resolving_functions (ecma_object_t *object_p) /**< the promi
/* 1. */
ecma_value_t already_resolved = ecma_op_create_boolean_object (ECMA_VALUE_FALSE);
ecma_string_t *str_promise_p = ecma_get_magic_string (LIT_INTERNAL_MAGIC_STRING_PROMISE);
ecma_string_t *str_already_resolved_p = ecma_get_magic_string (LIT_INTERNAL_MAGIC_STRING_ALREADY_RESOLVED);
/* 2. - 4. */
ecma_object_t *resolve_p = ecma_promise_create_resolving_functions_helper (object_p,
already_resolved,
ecma_promise_resolve_handler);
/* 2. */
ecma_object_t *resolve_p;
resolve_p = ecma_op_create_external_function_object (ecma_promise_resolve_handler);
/* 3. */
ecma_op_object_put (resolve_p,
str_promise_p,
ecma_make_object_value (object_p),
false);
/* 4. */
ecma_op_object_put (resolve_p,
str_already_resolved_p,
already_resolved,
false);
/* 5. */
ecma_object_t *reject_p;
reject_p = ecma_op_create_external_function_object (ecma_promise_reject_handler);
/* 6. */
ecma_op_object_put (reject_p,
str_promise_p,
ecma_make_object_value (object_p),
false);
/* 7. */
ecma_op_object_put (reject_p,
str_already_resolved_p,
already_resolved,
false);
/* 5. - 7. */
ecma_object_t *reject_p = ecma_promise_create_resolving_functions_helper (object_p,
already_resolved,
ecma_promise_reject_handler);
/* 8. */
ecma_promise_resolving_functions_t *funcs = jmem_heap_alloc_block (sizeof (ecma_promise_resolving_functions_t));
@@ -459,7 +467,6 @@ ecma_promise_create_resolving_functions (ecma_object_t *object_p) /**< the promi
funcs->reject = ecma_make_object_value (reject_p);
ecma_free_value (already_resolved);
return funcs;
} /* ecma_promise_create_resolving_functions */