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Add 'type' argument to set/get native handle API (#1711)

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Ecma-object have native handle type inside, and binding code could use
type info to validate native handle's type.

Related issue #1681

JerryScript-DCO-1.0-Signed-off-by: Zidong Jiang zidong.jiang@intel.com
This commit is contained in:
Zidong Jiang
2017-04-10 16:51:37 +08:00
committed by GitHub
parent 574dff512e
commit e522e740a7
12 changed files with 486 additions and 141 deletions
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jerry-core/jerry.c
+72 -14
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@@ -1902,7 +1902,9 @@ jerry_set_prototype (const jerry_value_t obj_val, /**< object value */
} /* jerry_set_prototype */
/**
* Get native handle, associated with specified object
* Get native handle, associated with specified object.
*
* Note: This API is deprecated, please use jerry_get_object_native_pointer instaed.
*
* @return true - if there is an associated handle (handle is returned through out_handle_p),
* false - otherwise
@@ -1913,22 +1915,53 @@ jerry_get_object_native_handle (const jerry_value_t obj_val, /**< object to get
{
jerry_assert_api_available ();
uintptr_t handle_value;
ecma_native_handle_package_t *package_p;
bool does_exist = ecma_get_external_pointer_value (ecma_get_object_from_value (obj_val),
LIT_INTERNAL_MAGIC_STRING_NATIVE_HANDLE,
&handle_value);
bool does_exist = ecma_get_native_package_value (ecma_get_object_from_value (obj_val),
LIT_INTERNAL_MAGIC_STRING_NATIVE_HANDLE,
(void **) &package_p);
if (does_exist)
{
*out_handle_p = handle_value;
*out_handle_p = package_p->handle_p;
}
return does_exist;
} /* jerry_get_object_native_handle */
/**
* Set native handle and an optional free callback for the specified object
* Get native pointer and its type information, associated with specified object.
*
* @return true - if there is an associated pointer (pointer is returned through out_handle_p),
* false - otherwise
*/
bool
jerry_get_object_native_pointer (const jerry_value_t obj_val, /**< object to get native pointer from */
void **out_native_p, /**< [out] native pointer */
const jerry_object_native_info_t **out_info_p) /**< [out] the type info
* of the native pointer */
{
jerry_assert_api_available ();
ecma_native_pointer_package_t *package_p;
bool does_exist = ecma_get_native_package_value (ecma_get_object_from_value (obj_val),
LIT_INTERNAL_MAGIC_STRING_NATIVE_POINTER,
(void **) &package_p);
if (does_exist)
{
*out_native_p = (void *) package_p->native_p;
*out_info_p = (const jerry_object_native_info_t *) package_p->info_p;
}
return does_exist;
} /* jerry_get_object_native_pointer */
/**
* Set native handle and an optional free callback for the specified object.
*
* Note: This API is deprecated, please use jerry_set_object_native_pointer instaed.
*
* Note:
* If native handle was already set for the object, its value is updated.
@@ -1948,15 +1981,40 @@ jerry_set_object_native_handle (const jerry_value_t obj_val, /**< object to set
ecma_object_t *object_p = ecma_get_object_from_value (obj_val);
ecma_create_external_pointer_property (object_p,
LIT_INTERNAL_MAGIC_STRING_NATIVE_HANDLE,
handle_p);
ecma_create_external_pointer_property (object_p,
LIT_INTERNAL_MAGIC_STRING_FREE_CALLBACK,
(uintptr_t) freecb_p);
ecma_create_native_handle_property (object_p,
handle_p,
(ecma_external_pointer_t) freecb_p);
} /* jerry_set_object_native_handle */
/**
* Set native pointer and an optional type info for the specified object.
*
*
* Note:
* If native pointer was already set for the object, its value is updated.
*
* Note:
* If a non-NULL free callback is specified in the native type info,
* it will be called by the garbage collector when the object is freed.
* The type info is always overwrites the previous value, so passing
* a NULL value deletes the current type info.
*/
void
jerry_set_object_native_pointer (const jerry_value_t obj_val, /**< object to set native pointer in */
void *native_p, /**< native pointer */
const jerry_object_native_info_t *info_p) /**< object's native type info */
{
jerry_assert_api_available ();
ecma_object_t *object_p = ecma_get_object_from_value (obj_val);
ecma_create_native_pointer_property (object_p,
(ecma_external_pointer_t) native_p,
(ecma_external_pointer_t) info_p);
} /* jerry_set_object_native_pointer */
/**
* Applies the given function to the every property in the object.
*