X-Git-Url: http://nitlanguage.org

diff --git a/lib/serialization/serialization.nit b/lib/serialization/serialization.nit
index 5630b34..f94445e 100644
--- a/lib/serialization/serialization.nit
+++ b/lib/serialization/serialization.nit
@@ -92,17 +92,25 @@ end
 abstract class Deserializer
 	# Deserialize and return an object, storing errors in the attribute `errors`
 	#
+	# If a `static_type` is given, only subtypes of the `static_type` are accepted.
+	#
 	# This method behavior varies according to the implementation engines.
-	fun deserialize: nullable Object is abstract
+	fun deserialize(static_type: nullable String): nullable Object is abstract
 
 	# Deserialize the attribute with `name` from the object open for deserialization
 	#
 	# The `static_type` can be used as last resort if the deserialized object
 	# desn't have any metadata declaring the dynamic type.
 	#
+	# Return the deserialized value or null on error, and set
+	# `deserialize_attribute_missing` to whether the attribute was missing.
+	#
 	# Internal method to be implemented by the engines.
 	fun deserialize_attribute(name: String, static_type: nullable String): nullable Object is abstract
 
+	# Was the attribute queried by the last call to `deserialize_attribute` missing?
+	var deserialize_attribute_missing = false
+
 	# Register a newly allocated object (even if not completely built)
 	#
 	# Internal method called by objects in creation, to be implemented by the engines.
@@ -231,7 +239,7 @@ redef class Bool super DirectSerializable end
 redef class Char super DirectSerializable end
 redef class Int super DirectSerializable end
 redef class Float super DirectSerializable end
-redef class NativeString super DirectSerializable end
+redef class CString super DirectSerializable end
 redef class Text super DirectSerializable end
 redef class SimpleCollection[E] super Serializable end
 redef class Map[K, V] super Serializable end