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Set constructor to prototype for ES2015 Classes (#2818)

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JerryScript-DCO-1.0-Signed-off-by: legendecas legendecas@gmail.com
This commit is contained in:
legendecas
2019-04-29 19:36:23 +08:00
committed by László Langó
parent 56b6d3a45d
commit 097e1862d2
5 changed files with 29 additions and 19 deletions
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jerry-core/vm/vm.c
+16 -10
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@@ -1384,14 +1384,6 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
ecma_object_t *child_class_p = ecma_get_object_from_value (child_value);
ecma_object_t *child_prototype_class_p = ecma_get_object_from_value (child_prototype_value);
ecma_property_value_t *prop_value_p;
prop_value_p = ecma_create_named_data_property (child_prototype_class_p,
ecma_get_magic_string (LIT_MAGIC_STRING_CONSTRUCTOR),
ECMA_PROPERTY_CONFIGURABLE_WRITABLE,
NULL);
ecma_named_data_property_assign_value (child_prototype_class_p, prop_value_p, child_value);
ecma_object_t *super_class_p = ecma_get_lex_env_binding_object (frame_ctx_p->lex_env_p);
@@ -1420,7 +1412,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
continue;
}
case VM_OC_PUSH_CLASS_CONSTRUCTOR:
case VM_OC_PUSH_CLASS_CONSTRUCTOR_AND_PROTOTYPE:
{
ecma_object_t *prototype_obj_p = ecma_builtin_get (ECMA_BUILTIN_ID_FUNCTION_PROTOTYPE);
@@ -1431,7 +1423,21 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
ecma_extended_object_t *ext_func_obj_p = (ecma_extended_object_t *) function_obj_p;
ext_func_obj_p->u.external_handler_cb = ecma_op_function_implicit_constructor_handler_cb;
*stack_top_p++ = ecma_make_object_value (function_obj_p);
ecma_value_t function_obj_value = ecma_make_object_value (function_obj_p);
*stack_top_p++ = function_obj_value;
ecma_object_t *prototype_class_p = ecma_create_object (ecma_builtin_get (ECMA_BUILTIN_ID_OBJECT_PROTOTYPE),
0,
ECMA_OBJECT_TYPE_GENERAL);
*stack_top_p++ = ecma_make_object_value (prototype_class_p);
/* 14.5.14.18 Set constructor to prototype */
ecma_property_value_t *prop_value_p;
prop_value_p = ecma_create_named_data_property (prototype_class_p,
ecma_get_magic_string (LIT_MAGIC_STRING_CONSTRUCTOR),
ECMA_PROPERTY_CONFIGURABLE_WRITABLE,
NULL);
ecma_named_data_property_assign_value (prototype_class_p, prop_value_p, function_obj_value);
continue;
}