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Get the 'this' binding of a realm value (#4365)

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-12-16 13:21:20 +01:00
committed by GitHub
parent 6083259030
commit e2be8f4c79
4 changed files with 139 additions and 9 deletions
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jerry-core/api/jerry.c
+40 -1
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@@ -4608,13 +4608,52 @@ jerry_set_realm (jerry_value_t realm_value) /**< jerry api value */
#endif /* ENABLED (JERRY_BUILTIN_REALMS) */
} /* jerry_set_realm */
/**
* Gets the 'this' binding of a realm
*
* @return type error - if realm_value is not a realm
* this value - otherwise
*/
jerry_value_t
jerry_realm_get_this (jerry_value_t realm_value) /**< realm value */
{
jerry_assert_api_available ();
#if ENABLED (JERRY_BUILTIN_REALMS)
if (ecma_is_value_object (realm_value))
{
ecma_object_t *object_p = ecma_get_object_from_value (realm_value);
if (ecma_get_object_is_builtin (object_p)
&& ecma_builtin_is_global (object_p))
{
ecma_global_object_t *global_object_p = (ecma_global_object_t *) object_p;
ecma_ref_object (ecma_get_object_from_value (global_object_p->this_binding));
return global_object_p->this_binding;
}
}
#else /* !ENABLED (JERRY_BUILTIN_REALMS) */
ecma_object_t *global_object_p = ecma_builtin_get_global ();
if (realm_value == ecma_make_object_value (global_object_p))
{
ecma_ref_object (global_object_p);
return realm_value;
}
#endif /* ENABLED (JERRY_BUILTIN_REALMS) */
return jerry_throw (ecma_raise_type_error (ECMA_ERR_MSG ("Passed argument is not a realm")));
} /* jerry_realm_get_this */
/**
* Sets the 'this' binding of a realm
*
* This function must be called before executing any script on the realm.
* Otherwise the operation is undefined.
*
* @return thrown error - if any error is happened
* @return type error - if realm_value is not a realm or this_value is not object
* true - otherwise
*/
jerry_value_t