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Small improvements for type property support. (#1724)

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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
2017-04-12 15:05:29 +02:00
committed by GitHub
parent a83319cfa1
commit 01fe5ab190
8 changed files with 161 additions and 191 deletions
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jerry-core/ecma/base/ecma-helpers-external-pointers.c
+35 -57
View File
@@ -39,7 +39,8 @@ static bool
ecma_create_native_property (ecma_object_t *obj_p, /**< object to create property in */
lit_magic_string_id_t id, /**< identifier of internal
* property to create */
void *package_p) /**< value to store in the property */
void *data_p, /**< native pointer data */
void *info_p) /**< native pointer's info */
{
JERRY_ASSERT (id == LIT_INTERNAL_MAGIC_STRING_NATIVE_HANDLE
|| id == LIT_INTERNAL_MAGIC_STRING_NATIVE_POINTER);
@@ -49,24 +50,29 @@ ecma_create_native_property (ecma_object_t *obj_p, /**< object to create propert
ecma_property_t *property_p = ecma_find_named_property (obj_p, &name);
bool is_new = (property_p == NULL);
ecma_property_value_t *value_p;
ecma_native_pointer_t *native_pointer_p;
if (is_new)
{
ecma_property_value_t *value_p;
value_p = ecma_create_named_data_property (obj_p, &name, ECMA_PROPERTY_FLAG_WRITABLE, NULL);
native_pointer_p = jmem_heap_alloc_block (sizeof (ecma_native_pointer_t));
ECMA_SET_INTERNAL_VALUE_POINTER (value_p->value, native_pointer_p);
}
else
{
value_p = ECMA_PROPERTY_VALUE_PTR (property_p);
ecma_free_native_package_property (property_p, id);
ecma_property_value_t *value_p = ECMA_PROPERTY_VALUE_PTR (property_p);
native_pointer_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_native_pointer_t, value_p->value);
}
JERRY_ASSERT (ECMA_STRING_IS_REF_EQUALS_TO_ONE (&name));
JERRY_STATIC_ASSERT (sizeof (uint32_t) <= sizeof (value_p->value),
size_of_internal_property_value_must_be_greater_than_or_equal_to_4_bytes);
ECMA_SET_INTERNAL_VALUE_POINTER (value_p->value, package_p);
native_pointer_p->data_p = data_p;
native_pointer_p->info_p = info_p;
return is_new;
} /* ecma_create_native_property */
@@ -79,17 +85,13 @@ ecma_create_native_property (ecma_object_t *obj_p, /**< object to create propert
*/
bool
ecma_create_native_handle_property (ecma_object_t *obj_p, /**< object to create property in */
ecma_external_pointer_t handle_p, /**< native handle */
ecma_external_pointer_t free_cb) /**< native handle's free callback*/
void *handle_p, /**< native handle */
void *free_cb) /**< native handle's free callback*/
{
ecma_native_handle_package_t *package_p;
package_p = jmem_heap_alloc_block (sizeof (ecma_native_handle_package_t));
package_p->handle_p = handle_p;
package_p->free_cb = free_cb;
return ecma_create_native_property (obj_p,
LIT_INTERNAL_MAGIC_STRING_NATIVE_HANDLE,
package_p);
handle_p,
free_cb);
} /* ecma_create_native_handle_property */
/**
@@ -100,17 +102,13 @@ ecma_create_native_handle_property (ecma_object_t *obj_p, /**< object to create
*/
bool
ecma_create_native_pointer_property (ecma_object_t *obj_p, /**< object to create property in */
ecma_external_pointer_t native_p, /**< native pointer */
ecma_external_pointer_t info_p) /**< native pointer's type info */
void *native_p, /**< native pointer */
void *info_p) /**< native pointer's type info */
{
ecma_native_pointer_package_t *package_p;
package_p = jmem_heap_alloc_block (sizeof (ecma_native_pointer_package_t));
package_p->native_p = native_p;
package_p->info_p = info_p;
return ecma_create_native_property (obj_p,
LIT_INTERNAL_MAGIC_STRING_NATIVE_POINTER,
package_p);
native_p,
info_p);
} /* ecma_create_native_pointer_property */
/**
@@ -121,14 +119,13 @@ ecma_create_native_pointer_property (ecma_object_t *obj_p, /**< object to create
* - LIT_INTERNAL_MAGIC_STRING_NATIVE_HANDLE
* - LIT_INTERNAL_MAGIC_STRING_NATIVE_POINTER
*
* @return true - if property exists and it's value is returned through out_pointer_p,
* false - otherwise (value returned through out_pointer_p is NULL)
* @return native pointer data if property exists
* NULL otherwise
*/
bool
ecma_get_native_package_value (ecma_object_t *obj_p, /**< object to get property value from */
lit_magic_string_id_t id, /**< identifier of internal property
ecma_native_pointer_t *
ecma_get_native_pointer_value (ecma_object_t *obj_p, /**< object to get property value from */
lit_magic_string_id_t id) /**< identifier of internal property
* to get value from */
void **out_pointer_p) /**< [out] value of the native package */
{
JERRY_ASSERT (id == LIT_INTERNAL_MAGIC_STRING_NATIVE_HANDLE
|| id == LIT_INTERNAL_MAGIC_STRING_NATIVE_POINTER);
@@ -142,46 +139,27 @@ ecma_get_native_package_value (ecma_object_t *obj_p, /**< object to get property
if (property_p == NULL)
{
*out_pointer_p = NULL;
return false;
return NULL;
}
ecma_property_value_t *value_p = ECMA_PROPERTY_VALUE_PTR (property_p);
*out_pointer_p = ECMA_GET_INTERNAL_VALUE_POINTER (void, value_p->value);
return true;
} /* ecma_get_native_package_value */
return ECMA_GET_INTERNAL_VALUE_POINTER (ecma_native_pointer_t, value_p->value);
} /* ecma_get_native_pointer_value */
/**
* Free the allocated native package struct.
*
* Note:
* property identifier should be one of the following:
* - LIT_INTERNAL_MAGIC_STRING_NATIVE_HANDLE
* - LIT_INTERNAL_MAGIC_STRING_NATIVE_POINTER
*/
void
ecma_free_native_package_property (ecma_property_t *prop_p, /**< native property */
lit_magic_string_id_t id) /**< identifier of internal */
ecma_free_native_pointer (ecma_property_t *prop_p) /**< native property */
{
JERRY_ASSERT (id == LIT_INTERNAL_MAGIC_STRING_NATIVE_HANDLE
|| id == LIT_INTERNAL_MAGIC_STRING_NATIVE_POINTER);
ecma_property_value_t *value_p = ECMA_PROPERTY_VALUE_PTR (prop_p);
void *package_p;
package_p = ECMA_GET_INTERNAL_VALUE_POINTER (void, value_p->value);
ecma_native_pointer_t *native_pointer_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_native_pointer_t,
value_p->value);
if (id == LIT_INTERNAL_MAGIC_STRING_NATIVE_HANDLE)
{
jmem_heap_free_block (package_p, sizeof (ecma_native_handle_package_t));
return;
}
jmem_heap_free_block (package_p, sizeof (ecma_native_pointer_package_t));
} /* ecma_free_native_package_property */
jmem_heap_free_block (native_pointer_p, sizeof (ecma_native_pointer_t));
} /* ecma_free_native_pointer */
/**
* @}