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Allow the JS objects to have more than one native pointer data (#2814)

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Currently JS objects can only have one native pointer data which could be a limitation in special cases.
This patch allows to register multiple native infos, which can be accessed/associated with the corresponding `jerry_object_native_info_t`.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-04-16 07:50:49 +02:00
committed by László Langó
parent c818930cdc
commit b3f4aa6816
14 changed files with 436 additions and 180 deletions
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jerry-core/api/jerry.c
+35 -13
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@@ -2591,9 +2591,8 @@ jerry_objects_foreach_by_native_info (const jerry_object_native_info_t *native_i
{
if (!ecma_is_lexical_environment (iter_p))
{
native_pointer_p = ecma_get_native_pointer_value (iter_p);
native_pointer_p = ecma_get_native_pointer_value (iter_p, (void *) native_info_p);
if (native_pointer_p
&& ((const jerry_object_native_info_t *) native_pointer_p->info_p) == native_info_p
&& !foreach_p (ecma_make_object_value (iter_p), native_pointer_p->data_p, user_data_p))
{
return true;
@@ -2605,11 +2604,10 @@ jerry_objects_foreach_by_native_info (const jerry_object_native_info_t *native_i
} /* jerry_objects_foreach_by_native_info */
/**
* Get native pointer and its type information, associated with specified object.
* Get native pointer and its type information, associated with the given native type info.
*
* Note:
* If native pointer is present, its type information is returned
* in out_native_pointer_p and out_native_info_p.
* If native pointer is present, its type information is returned in out_native_pointer_p
*
* @return true - if there is an associated pointer,
* false - otherwise
@@ -2617,8 +2615,8 @@ jerry_objects_foreach_by_native_info (const jerry_object_native_info_t *native_i
bool
jerry_get_object_native_pointer (const jerry_value_t obj_val, /**< object to get native pointer from */
void **out_native_pointer_p, /**< [out] native pointer */
const jerry_object_native_info_t **out_native_info_p) /**< [out] the type info
* of the native pointer */
const jerry_object_native_info_t *native_info_p) /**< the type info
* of the native pointer */
{
jerry_assert_api_available ();
@@ -2628,7 +2626,7 @@ jerry_get_object_native_pointer (const jerry_value_t obj_val, /**< object to get
}
ecma_native_pointer_t *native_pointer_p;
native_pointer_p = ecma_get_native_pointer_value (ecma_get_object_from_value (obj_val));
native_pointer_p = ecma_get_native_pointer_value (ecma_get_object_from_value (obj_val), (void *) native_info_p);
if (native_pointer_p == NULL)
{
@@ -2640,11 +2638,6 @@ jerry_get_object_native_pointer (const jerry_value_t obj_val, /**< object to get
*out_native_pointer_p = native_pointer_p->data_p;
}
if (out_native_info_p != NULL)
{
*out_native_info_p = (const jerry_object_native_info_t *) native_pointer_p->info_p;
}
return true;
} /* jerry_get_object_native_pointer */
@@ -2676,6 +2669,35 @@ jerry_set_object_native_pointer (const jerry_value_t obj_val, /**< object to set
}
} /* jerry_set_object_native_pointer */
/**
* Delete the previously set native pointer by the native type info from the specified object.
*
* Note:
* If the specified object has no matching native pointer for the given native type info
* the function has no effect.
*
* Note:
* This operation cannot throw an exception.
*
* @return true - if the native pointer has been deleted succesfully
* false - otherwise
*/
bool
jerry_delete_object_native_pointer (const jerry_value_t obj_val, /**< object to delete native pointer from */
const jerry_object_native_info_t *native_info_p) /**< object's native type info */
{
jerry_assert_api_available ();
if (ecma_is_value_object (obj_val))
{
ecma_object_t *object_p = ecma_get_object_from_value (obj_val);
return ecma_delete_native_pointer_property (object_p, (void *) native_info_p);
}
return false;
} /* jerry_delete_object_native_pointer */
/**
* Applies the given function to the every property in the object.
*