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Implement get proxy target (#4367)

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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
2020-12-18 10:58:48 +01:00
committed by GitHub
parent 1937f820e1
commit 9676500add
4 changed files with 115 additions and 0 deletions
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jerry-core/api/jerry.c
+34
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@@ -4337,6 +4337,40 @@ jerry_get_bigint_digits (jerry_value_t value, /**< BigInt value */
#endif /* ENABLED (JERRY_BUILTIN_BIGINT) */
} /* jerry_get_bigint_digits */
/**
* Get the target object of a Proxy object
*
* @return type error - if proxy_value is not a Proxy object
* target object - otherwise
*/
jerry_value_t
jerry_get_proxy_target (jerry_value_t proxy_value) /**< proxy value */
{
jerry_assert_api_available ();
#if ENABLED (JERRY_BUILTIN_PROXY)
if (ecma_is_value_object (proxy_value))
{
ecma_object_t *object_p = ecma_get_object_from_value (proxy_value);
if (ECMA_OBJECT_IS_PROXY (object_p))
{
ecma_proxy_object_t *proxy_object_p = (ecma_proxy_object_t *) object_p;
if (!ecma_is_value_null (proxy_object_p->target))
{
ecma_ref_object (ecma_get_object_from_value (proxy_object_p->target));
}
return proxy_object_p->target;
}
}
#else /* !ENABLED (JERRY_BUILTIN_PROXY) */
JERRY_UNUSED (proxy_value);
#endif /* ENABLED (JERRY_BUILTIN_PROXY) */
return jerry_throw (ecma_raise_type_error (ECMA_ERR_MSG ("Passed value is not a proxy object")));
} /* jerry_get_proxy_target */
/**
* Validate UTF-8 string
*