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Initial implementation of class fields (#4191)

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Missing features:
 - this binding in static fields are not supported
 - static field evaluation order is wrong
 - function names are not supported

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-09-17 15:22:55 +02:00
committed by GitHub
parent 7345c83af7
commit d9653823ca
30 changed files with 1666 additions and 581 deletions
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jerry-core/ecma/base/ecma-gc.c
+37 -18
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@@ -192,7 +192,8 @@ ecma_gc_mark_properties (ecma_property_pair_t *property_pair_p) /**< property pa
case ECMA_PROPERTY_TYPE_INTERNAL:
{
JERRY_ASSERT (ECMA_PROPERTY_GET_NAME_TYPE (property) == ECMA_DIRECT_STRING_MAGIC
&& property_pair_p->names_cp[index] >= LIT_FIRST_INTERNAL_MAGIC_STRING);
&& property_pair_p->names_cp[index] >= LIT_INTERNAL_MAGIC_STRING_FIRST_DATA
&& property_pair_p->names_cp[index] < LIT_MAGIC_STRING__COUNT);
break;
}
default:
@@ -1054,33 +1055,51 @@ ecma_gc_free_properties (ecma_object_t *object_p) /**< object */
ecma_property_t *property_p = (ecma_property_t *) (prop_iter_p->types + i);
jmem_cpointer_t name_cp = prop_pair_p->names_cp[i];
if (ECMA_PROPERTY_GET_NAME_TYPE (*property_p) == ECMA_DIRECT_STRING_MAGIC)
if (ECMA_PROPERTY_GET_TYPE (*property_p) == ECMA_PROPERTY_TYPE_INTERNAL)
{
JERRY_ASSERT (ECMA_PROPERTY_GET_NAME_TYPE (*property_p) == ECMA_DIRECT_STRING_MAGIC);
/* Call the native's free callback. */
if (JERRY_UNLIKELY (name_cp == LIT_INTERNAL_MAGIC_STRING_NATIVE_POINTER))
switch (name_cp)
{
ecma_gc_free_native_pointer (property_p);
}
#if ENABLED (JERRY_BUILTIN_WEAKMAP) || ENABLED (JERRY_BUILTIN_WEAKSET)
else if (JERRY_UNLIKELY (name_cp == LIT_INTERNAL_MAGIC_STRING_WEAK_REFS))
{
ecma_collection_t *refs_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_collection_t,
ECMA_PROPERTY_VALUE_PTR (property_p)->value);
for (uint32_t j = 0; j < refs_p->item_count; j++)
case LIT_INTERNAL_MAGIC_STRING_WEAK_REFS:
{
const ecma_value_t value = refs_p->buffer_p[j];
if (!ecma_is_value_empty (value))
ecma_collection_t *refs_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_collection_t,
prop_pair_p->values[i].value);
for (uint32_t j = 0; j < refs_p->item_count; j++)
{
ecma_object_t *container_p = ecma_get_object_from_value (value);
const ecma_value_t value = refs_p->buffer_p[j];
if (!ecma_is_value_empty (value))
{
ecma_object_t *container_p = ecma_get_object_from_value (value);
ecma_op_container_remove_weak_entry (container_p,
ecma_make_object_value (object_p));
ecma_op_container_remove_weak_entry (container_p,
ecma_make_object_value (object_p));
}
}
}
ecma_collection_destroy (refs_p);
}
ecma_collection_destroy (refs_p);
break;
}
#endif /* ENABLED (JERRY_BUILTIN_WEAKMAP) || ENABLED (JERRY_BUILTIN_WEAKSET) */
#if ENABLED (JERRY_ESNEXT)
case LIT_INTERNAL_MAGIC_STRING_CLASS_FIELD_COMPUTED:
{
ecma_value_t *compact_collection_p;
compact_collection_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_value_t,
prop_pair_p->values[i].value);
ecma_compact_collection_free (compact_collection_p);
break;
}
#endif /* ENABLED (JERRY_ESNEXT) */
default:
{
JERRY_ASSERT (name_cp == LIT_INTERNAL_MAGIC_STRING_NATIVE_POINTER);
ecma_gc_free_native_pointer (property_p);
break;
}
}
}
if (prop_iter_p->types[i] != ECMA_PROPERTY_TYPE_DELETED)