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Continue working on realms (#4356)

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- Rework symbols to have the same value across realms
- Support realms for native functions
- Support test262
- Use new.target realms for constructing intrinsics

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-12-09 17:44:21 +01:00
committed by GitHub
parent df92c86ecf
commit cc1e8d2dee
23 changed files with 593 additions and 284 deletions
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jerry-core/api/jerry.c
+39 -1
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@@ -4204,7 +4204,7 @@ jerry_get_well_known_symbol (jerry_well_known_symbol_t symbol) /**< jerry_well_k
jerry_assert_api_available ();
#if ENABLED (JERRY_ESNEXT)
lit_magic_string_id_t id = (lit_magic_string_id_t) (LIT_GLOBAL_SYMBOL__FISRT + symbol);
lit_magic_string_id_t id = (lit_magic_string_id_t) (LIT_GLOBAL_SYMBOL__FIRST + symbol);
if (!LIT_IS_GLOBAL_SYMBOL (id))
{
@@ -4564,6 +4564,44 @@ jerry_get_new_target (void)
#endif /* ENABLED (JERRY_ESNEXT) */
} /* jerry_get_new_target */
/**
* Replaces the currently active realm with another realm.
*
* The replacement should be temporary, and the original realm must be
* restored after the tasks are completed. During the replacement, the
* realm must be referenced by the application (i.e. the gc must not
* reclaim it). This is also true to the returned previously active
* realm, so there is no need to free the value after the restoration.
*
* @return previous realm value - if the passed value is a realm
* exception - otherwise
*/
jerry_value_t
jerry_set_realm (jerry_value_t realm_value) /**< jerry api 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 *previous_global_object_p = JERRY_CONTEXT (global_object_p);
JERRY_CONTEXT (global_object_p) = (ecma_global_object_t *) object_p;
return ecma_make_object_value ((ecma_object_t *) previous_global_object_p);
}
}
return jerry_throw (ecma_raise_type_error (ECMA_ERR_MSG ("Passed argument is not a realm")));
#else /* !ENABLED (JERRY_BUILTIN_REALMS) */
JERRY_UNUSED (realm_value);
return jerry_throw (ecma_raise_reference_error (ECMA_ERR_MSG ("Realm is not available")));
#endif /* ENABLED (JERRY_BUILTIN_REALMS) */
} /* jerry_set_realm */
/**
* Check if the given value is an ArrayBuffer object.
*