Merge pull request #22460 from neikeq/issue-22403

Mono: Fix not creating generic Array or Dictionary where expected

modules/mono/csharp_script.cpp

@@ -1174,7 +1174,7 @@ bool CSharpInstance::set(const StringName &p_name, const Variant &p_value) {
 		GDMonoProperty *property = script->script_class->get_property(p_name);
 
 		if (property) {
-			property->set_value(mono_object, GDMonoMarshal::variant_to_mono_object(p_value));
+			property->set_value(mono_object, GDMonoMarshal::variant_to_mono_object(p_value, property->get_type()));
 			return true;
 		}
 

modules/mono/glue/Managed/Files/Array.cs

@@ -128,7 +128,7 @@ namespace Godot.Collections
 
             for (int i = 0; i < count; i++)
             {
-                yield return godot_icall_Array_At(GetPtr(), i);
+                yield return this[i];
             }
         }
 
@@ -166,6 +166,9 @@ namespace Godot.Collections
         [MethodImpl(MethodImplOptions.InternalCall)]
         internal extern static object godot_icall_Array_At(IntPtr ptr, int index);
 
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        internal extern static object godot_icall_Array_At_Generic(IntPtr ptr, int index, int elemTypeEncoding, IntPtr elemTypeClass);
+
         [MethodImpl(MethodImplOptions.InternalCall)]
         internal extern static void godot_icall_Array_SetAt(IntPtr ptr, int index, object value);
 
@@ -195,12 +198,23 @@ namespace Godot.Collections
 
         [MethodImpl(MethodImplOptions.InternalCall)]
         internal extern static void godot_icall_Array_RemoveAt(IntPtr ptr, int index);
+
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        internal extern static void godot_icall_Array_Generic_GetElementTypeInfo(Type elemType, out int elemTypeEncoding, out IntPtr elemTypeClass);
     }
 
     public class Array<T> : IList<T>, ICollection<T>, IEnumerable<T>
     {
         Array objectArray;
 
+        internal static int elemTypeEncoding;
+        internal static IntPtr elemTypeClass;
+
+        static Array()
+        {
+            Array.godot_icall_Array_Generic_GetElementTypeInfo(typeof(T), out elemTypeEncoding, out elemTypeClass);
+        }
+
         public Array()
         {
             objectArray = new Array();
@@ -230,7 +244,7 @@ namespace Godot.Collections
         {
             get
             {
-                return (T)objectArray[index];
+                return (T)Array.godot_icall_Array_At_Generic(GetPtr(), index, elemTypeEncoding, elemTypeClass);
             }
             set
             {
@@ -287,7 +301,7 @@ namespace Godot.Collections
 
             for (int i = 0; i < count; i++)
             {
-                array[arrayIndex] = (T)objectArray[i];
+                array[arrayIndex] = (T)this[i];
                 arrayIndex++;
             }
         }
@@ -298,7 +312,7 @@ namespace Godot.Collections
 
             for (int i = 0; i < count; i++)
             {
-                yield return (T)objectArray[i];
+                yield return (T)this[i];
             }
         }
 

modules/mono/glue/Managed/Files/Dictionary.cs

@@ -203,6 +203,9 @@ namespace Godot.Collections
         [MethodImpl(MethodImplOptions.InternalCall)]
         internal extern static object godot_icall_Dictionary_GetValue(IntPtr ptr, object key);
 
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        internal extern static object godot_icall_Dictionary_GetValue_Generic(IntPtr ptr, object key, int valTypeEncoding, IntPtr valTypeClass);
+
         [MethodImpl(MethodImplOptions.InternalCall)]
         internal extern static void godot_icall_Dictionary_SetValue(IntPtr ptr, object key, object value);
 
@@ -235,6 +238,12 @@ namespace Godot.Collections
 
         [MethodImpl(MethodImplOptions.InternalCall)]
         internal extern static bool godot_icall_Dictionary_TryGetValue(IntPtr ptr, object key, out object value);
+
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        internal extern static bool godot_icall_Dictionary_TryGetValue_Generic(IntPtr ptr, object key, out object value, int valTypeEncoding, IntPtr valTypeClass);
+
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        internal extern static void godot_icall_Dictionary_Generic_GetValueTypeInfo(Type valueType, out int valTypeEncoding, out IntPtr valTypeClass);
     }
 
     public class Dictionary<TKey, TValue> :
@@ -244,6 +253,14 @@ namespace Godot.Collections
     {
         Dictionary objectDict;
 
+        internal static int valTypeEncoding;
+        internal static IntPtr valTypeClass;
+
+        static Dictionary()
+        {
+            Dictionary.godot_icall_Dictionary_Generic_GetValueTypeInfo(typeof(TValue), out valTypeEncoding, out valTypeClass);
+        }
+
         public Dictionary()
         {
             objectDict = new Dictionary();
@@ -273,7 +290,7 @@ namespace Godot.Collections
         {
             get
             {
-                return (TValue)objectDict[key];
+                return (TValue)Dictionary.godot_icall_Dictionary_GetValue_Generic(objectDict.GetPtr(), key, valTypeEncoding, valTypeClass);
             }
             set
             {
@@ -382,7 +399,7 @@ namespace Godot.Collections
         public bool TryGetValue(TKey key, out TValue value)
         {
             object retValue;
-            bool found = objectDict.TryGetValue(key, out retValue);
+            bool found = Dictionary.godot_icall_Dictionary_TryGetValue_Generic(GetPtr(), key, out retValue, valTypeEncoding, valTypeClass);
             value = found ? (TValue)retValue : default(TValue);
             return found;
         }

modules/mono/glue/collections_glue.cpp

@@ -53,6 +53,14 @@ MonoObject *godot_icall_Array_At(Array *ptr, int index) {
 	return GDMonoMarshal::variant_to_mono_object(ptr->operator[](index));
 }
 
+MonoObject *godot_icall_Array_At_Generic(Array *ptr, int index, uint32_t type_encoding, GDMonoClass *type_class) {
+	if (index < 0 || index > ptr->size()) {
+		GDMonoUtils::set_pending_exception(mono_get_exception_index_out_of_range());
+		return NULL;
+	}
+	return GDMonoMarshal::variant_to_mono_object(ptr->operator[](index), ManagedType(type_encoding, type_class));
+}
+
 void godot_icall_Array_SetAt(Array *ptr, int index, MonoObject *value) {
 	if (index < 0 || index > ptr->size()) {
 		GDMonoUtils::set_pending_exception(mono_get_exception_index_out_of_range());
@@ -122,6 +130,14 @@ void godot_icall_Array_RemoveAt(Array *ptr, int index) {
 	ptr->remove(index);
 }
 
+void godot_icall_Array_Generic_GetElementTypeInfo(MonoReflectionType *refltype, uint32_t *type_encoding, GDMonoClass **type_class) {
+	MonoType *elem_type = mono_reflection_type_get_type(refltype);
+
+	*type_encoding = mono_type_get_type(elem_type);
+	MonoClass *type_class_raw = mono_class_from_mono_type(elem_type);
+	*type_class = GDMono::get_singleton()->get_class(type_class_raw);
+}
+
 Dictionary *godot_icall_Dictionary_Ctor() {
 	return memnew(Dictionary);
 }
@@ -144,6 +160,20 @@ MonoObject *godot_icall_Dictionary_GetValue(Dictionary *ptr, MonoObject *key) {
 	return GDMonoMarshal::variant_to_mono_object(ret);
 }
 
+MonoObject *godot_icall_Dictionary_GetValue_Generic(Dictionary *ptr, MonoObject *key, uint32_t type_encoding, GDMonoClass *type_class) {
+	Variant *ret = ptr->getptr(GDMonoMarshal::mono_object_to_variant(key));
+	if (ret == NULL) {
+		MonoObject *exc = mono_object_new(mono_domain_get(), CACHED_CLASS(KeyNotFoundException)->get_mono_ptr());
+#ifdef DEBUG_ENABLED
+		CRASH_COND(!exc);
+#endif
+		GDMonoUtils::runtime_object_init(exc);
+		GDMonoUtils::set_pending_exception((MonoException *)exc);
+		return NULL;
+	}
+	return GDMonoMarshal::variant_to_mono_object(ret, ManagedType(type_encoding, type_class));
+}
+
 void godot_icall_Dictionary_SetValue(Dictionary *ptr, MonoObject *key, MonoObject *value) {
 	ptr->operator[](GDMonoMarshal::mono_object_to_variant(key)) = GDMonoMarshal::mono_object_to_variant(value);
 }
@@ -211,10 +241,29 @@ bool godot_icall_Dictionary_TryGetValue(Dictionary *ptr, MonoObject *key, MonoOb
 	return true;
 }
 
+bool godot_icall_Dictionary_TryGetValue_Generic(Dictionary *ptr, MonoObject *key, MonoObject **value, uint32_t type_encoding, GDMonoClass *type_class) {
+	Variant *ret = ptr->getptr(GDMonoMarshal::mono_object_to_variant(key));
+	if (ret == NULL) {
+		*value = NULL;
+		return false;
+	}
+	*value = GDMonoMarshal::variant_to_mono_object(ret, ManagedType(type_encoding, type_class));
+	return true;
+}
+
+void godot_icall_Dictionary_Generic_GetValueTypeInfo(MonoReflectionType *refltype, uint32_t *type_encoding, GDMonoClass **type_class) {
+	MonoType *value_type = mono_reflection_type_get_type(refltype);
+
+	*type_encoding = mono_type_get_type(value_type);
+	MonoClass *type_class_raw = mono_class_from_mono_type(value_type);
+	*type_class = GDMono::get_singleton()->get_class(type_class_raw);
+}
+
 void godot_register_collections_icalls() {
 	mono_add_internal_call("Godot.Collections.Array::godot_icall_Array_Ctor", (void *)godot_icall_Array_Ctor);
 	mono_add_internal_call("Godot.Collections.Array::godot_icall_Array_Dtor", (void *)godot_icall_Array_Dtor);
 	mono_add_internal_call("Godot.Collections.Array::godot_icall_Array_At", (void *)godot_icall_Array_At);
+	mono_add_internal_call("Godot.Collections.Array::godot_icall_Array_At_Generic", (void *)godot_icall_Array_At_Generic);
 	mono_add_internal_call("Godot.Collections.Array::godot_icall_Array_SetAt", (void *)godot_icall_Array_SetAt);
 	mono_add_internal_call("Godot.Collections.Array::godot_icall_Array_Count", (void *)godot_icall_Array_Count);
 	mono_add_internal_call("Godot.Collections.Array::godot_icall_Array_Add", (void *)godot_icall_Array_Add);
@@ -225,10 +274,12 @@ void godot_register_collections_icalls() {
 	mono_add_internal_call("Godot.Collections.Array::godot_icall_Array_Insert", (void *)godot_icall_Array_Insert);
 	mono_add_internal_call("Godot.Collections.Array::godot_icall_Array_Remove", (void *)godot_icall_Array_Remove);
 	mono_add_internal_call("Godot.Collections.Array::godot_icall_Array_RemoveAt", (void *)godot_icall_Array_RemoveAt);
+	mono_add_internal_call("Godot.Collections.Array::godot_icall_Array_Generic_GetElementTypeInfo", (void *)godot_icall_Array_Generic_GetElementTypeInfo);
 
 	mono_add_internal_call("Godot.Collections.Dictionary::godot_icall_Dictionary_Ctor", (void *)godot_icall_Dictionary_Ctor);
 	mono_add_internal_call("Godot.Collections.Dictionary::godot_icall_Dictionary_Dtor", (void *)godot_icall_Dictionary_Dtor);
 	mono_add_internal_call("Godot.Collections.Dictionary::godot_icall_Dictionary_GetValue", (void *)godot_icall_Dictionary_GetValue);
+	mono_add_internal_call("Godot.Collections.Dictionary::godot_icall_Dictionary_GetValue_Generic", (void *)godot_icall_Dictionary_GetValue_Generic);
 	mono_add_internal_call("Godot.Collections.Dictionary::godot_icall_Dictionary_SetValue", (void *)godot_icall_Dictionary_SetValue);
 	mono_add_internal_call("Godot.Collections.Dictionary::godot_icall_Dictionary_Keys", (void *)godot_icall_Dictionary_Keys);
 	mono_add_internal_call("Godot.Collections.Dictionary::godot_icall_Dictionary_Values", (void *)godot_icall_Dictionary_Values);
@@ -240,6 +291,8 @@ void godot_register_collections_icalls() {
 	mono_add_internal_call("Godot.Collections.Dictionary::godot_icall_Dictionary_RemoveKey", (void *)godot_icall_Dictionary_RemoveKey);
 	mono_add_internal_call("Godot.Collections.Dictionary::godot_icall_Dictionary_Remove", (void *)godot_icall_Dictionary_Remove);
 	mono_add_internal_call("Godot.Collections.Dictionary::godot_icall_Dictionary_TryGetValue", (void *)godot_icall_Dictionary_TryGetValue);
+	mono_add_internal_call("Godot.Collections.Dictionary::godot_icall_Dictionary_TryGetValue_Generic", (void *)godot_icall_Dictionary_TryGetValue_Generic);
+	mono_add_internal_call("Godot.Collections.Dictionary::godot_icall_Dictionary_Generic_GetValueTypeInfo", (void *)godot_icall_Dictionary_Generic_GetValueTypeInfo);
 }
 
 #endif // MONO_GLUE_ENABLED

modules/mono/glue/collections_glue.h

@@ -45,6 +45,8 @@ void godot_icall_Array_Dtor(Array *ptr);
 
 MonoObject *godot_icall_Array_At(Array *ptr, int index);
 
+MonoObject *godot_icall_Array_At_Generic(Array *ptr, int index, uint32_t type_encoding, GDMonoClass *type_class);
+
 void godot_icall_Array_SetAt(Array *ptr, int index, MonoObject *value);
 
 int godot_icall_Array_Count(Array *ptr);
@@ -65,6 +67,8 @@ bool godot_icall_Array_Remove(Array *ptr, MonoObject *item);
 
 void godot_icall_Array_RemoveAt(Array *ptr, int index);
 
+void godot_icall_Array_Generic_GetElementTypeInfo(MonoReflectionType *refltype, uint32_t *type_encoding, GDMonoClass **type_class);
+
 // Dictionary
 
 Dictionary *godot_icall_Dictionary_Ctor();
@@ -73,6 +77,8 @@ void godot_icall_Dictionary_Dtor(Dictionary *ptr);
 
 MonoObject *godot_icall_Dictionary_GetValue(Dictionary *ptr, MonoObject *key);
 
+MonoObject *godot_icall_Dictionary_GetValue_Generic(Dictionary *ptr, MonoObject *key, uint32_t type_encoding, GDMonoClass *type_class);
+
 void godot_icall_Dictionary_SetValue(Dictionary *ptr, MonoObject *key, MonoObject *value);
 
 Array *godot_icall_Dictionary_Keys(Dictionary *ptr);
@@ -95,6 +101,10 @@ bool godot_icall_Dictionary_Remove(Dictionary *ptr, MonoObject *key, MonoObject
 
 bool godot_icall_Dictionary_TryGetValue(Dictionary *ptr, MonoObject *key, MonoObject **value);
 
+bool godot_icall_Dictionary_TryGetValue_Generic(Dictionary *ptr, MonoObject *key, MonoObject **value, uint32_t type_encoding, GDMonoClass *type_class);
+
+void godot_icall_Dictionary_Generic_GetValueTypeInfo(MonoReflectionType *refltype, uint32_t *type_encoding, GDMonoClass **type_class);
+
 // Register internal calls
 
 void godot_register_collections_icalls();

modules/mono/mono_gd/gd_mono.cpp

@@ -259,14 +259,15 @@ void GDMono::initialize() {
 	// The following assemblies are not required at initialization
 #ifdef MONO_GLUE_ENABLED
 	if (_load_api_assemblies()) {
-		if (!core_api_assembly_out_of_sync && !editor_api_assembly_out_of_sync && GDMonoUtils::mono_cache.godot_api_cache_updated) {
-			// Everything is fine with the api assemblies, load the project assembly
-			_load_project_assembly();
-		} else {
+		// Everything is fine with the api assemblies, load the project assembly
+		_load_project_assembly();
+	} else {
+		if ((core_api_assembly && (core_api_assembly_out_of_sync || !GDMonoUtils::mono_cache.godot_api_cache_updated)) ||
+				(editor_api_assembly && editor_api_assembly_out_of_sync)) {
 #ifdef TOOLS_ENABLED
 			// The assembly was successfully loaded, but the full api could not be cached.
-			// This is most likely an outdated assembly loaded because of an invalid version in the metadata,
-			// so we invalidate the version in the metadata and unload the script domain.
+			// This is most likely an outdated assembly loaded because of an invalid version in the
+			// metadata, so we invalidate the version in the metadata and unload the script domain.
 
 			if (core_api_assembly_out_of_sync) {
 				ERR_PRINT("The loaded Core API assembly is out of sync");
@@ -290,12 +291,12 @@ void GDMono::initialize() {
 #else
 			ERR_PRINT("The loaded API assembly is invalid");
 			CRASH_NOW();
-#endif
+#endif // TOOLS_ENABLED
 		}
 	}
 #else
 	print_verbose("Mono: Glue disabled, ignoring script assemblies.");
-#endif
+#endif // MONO_GLUE_ENABLED
 
 	print_verbose("Mono: INITIALIZED");
 }
@@ -448,8 +449,10 @@ bool GDMono::_load_core_api_assembly() {
 		return true;
 
 #ifdef TOOLS_ENABLED
-	if (metadata_is_api_assembly_invalidated(APIAssembly::API_CORE))
+	if (metadata_is_api_assembly_invalidated(APIAssembly::API_CORE)) {
+		print_verbose("Mono: Skipping loading of Core API assembly because it was invalidated");
 		return false;
+	}
 #endif
 
 	bool success = load_assembly(API_ASSEMBLY_NAME, &core_api_assembly);
@@ -460,8 +463,12 @@ bool GDMono::_load_core_api_assembly() {
 		core_api_assembly_out_of_sync = GodotSharpBindings::get_core_api_hash() != api_assembly_ver.godot_api_hash ||
 										GodotSharpBindings::get_bindings_version() != api_assembly_ver.bindings_version ||
 										CS_GLUE_VERSION != api_assembly_ver.cs_glue_version;
-#endif
+		if (!core_api_assembly_out_of_sync) {
+			GDMonoUtils::update_godot_api_cache();
+		}
+#else
 		GDMonoUtils::update_godot_api_cache();
+#endif
 	}
 
 	return success;
@@ -474,8 +481,10 @@ bool GDMono::_load_editor_api_assembly() {
 		return true;
 
 #ifdef TOOLS_ENABLED
-	if (metadata_is_api_assembly_invalidated(APIAssembly::API_EDITOR))
+	if (metadata_is_api_assembly_invalidated(APIAssembly::API_EDITOR)) {
+		print_verbose("Mono: Skipping loading of Editor API assembly because it was invalidated");
 		return false;
+	}
 #endif
 
 	bool success = load_assembly(EDITOR_API_ASSEMBLY_NAME, &editor_api_assembly);
@@ -533,16 +542,22 @@ bool GDMono::_load_api_assemblies() {
 		if (OS::get_singleton()->is_stdout_verbose())
 			print_error("Mono: Failed to load Core API assembly");
 		return false;
-	} else {
+	}
+
+	if (core_api_assembly_out_of_sync || !GDMonoUtils::mono_cache.godot_api_cache_updated)
+		return false;
+
 #ifdef TOOLS_ENABLED
-		if (!_load_editor_api_assembly()) {
-			if (OS::get_singleton()->is_stdout_verbose())
-				print_error("Mono: Failed to load Editor API assembly");
-			return false;
-		}
-#endif
+	if (!_load_editor_api_assembly()) {
+		if (OS::get_singleton()->is_stdout_verbose())
+			print_error("Mono: Failed to load Editor API assembly");
+		return false;
 	}
 
+	if (editor_api_assembly_out_of_sync)
+		return false;
+#endif
+
 	return true;
 }
 
@@ -708,43 +723,42 @@ Error GDMono::reload_scripts_domain() {
 
 #ifdef MONO_GLUE_ENABLED
 	if (!_load_api_assemblies()) {
-		return ERR_CANT_OPEN;
-	}
+		if ((core_api_assembly && (core_api_assembly_out_of_sync || !GDMonoUtils::mono_cache.godot_api_cache_updated)) ||
+				(editor_api_assembly && editor_api_assembly_out_of_sync)) {
+			// The assembly was successfully loaded, but the full api could not be cached.
+			// This is most likely an outdated assembly loaded because of an invalid version in the
+			// metadata, so we invalidate the version in the metadata and unload the script domain.
 
-	if (!core_api_assembly_out_of_sync && !editor_api_assembly_out_of_sync && GDMonoUtils::mono_cache.godot_api_cache_updated) {
-		// Everything is fine with the api assemblies, load the project assembly
-		_load_project_assembly();
-	} else {
-		// The assembly was successfully loaded, but the full api could not be cached.
-		// This is most likely an outdated assembly loaded because of an invalid version in the metadata,
-		// so we invalidate the version in the metadata and unload the script domain.
-
-		if (core_api_assembly_out_of_sync) {
-			ERR_PRINT("The loaded Core API assembly is out of sync");
-			metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true);
-		} else if (!GDMonoUtils::mono_cache.godot_api_cache_updated) {
-			ERR_PRINT("The loaded Core API assembly is in sync, but the cache update failed");
-			metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true);
-		}
+			if (core_api_assembly_out_of_sync) {
+				ERR_PRINT("The loaded Core API assembly is out of sync");
+				metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true);
+			} else if (!GDMonoUtils::mono_cache.godot_api_cache_updated) {
+				ERR_PRINT("The loaded Core API assembly is in sync, but the cache update failed");
+				metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true);
+			}
 
-		if (editor_api_assembly_out_of_sync) {
-			ERR_PRINT("The loaded Editor API assembly is out of sync");
-			metadata_set_api_assembly_invalidated(APIAssembly::API_EDITOR, true);
-		}
+			if (editor_api_assembly_out_of_sync) {
+				ERR_PRINT("The loaded Editor API assembly is out of sync");
+				metadata_set_api_assembly_invalidated(APIAssembly::API_EDITOR, true);
+			}
 
-		Error err = _unload_scripts_domain();
-		if (err != OK) {
-			WARN_PRINT("Mono: Failed to unload scripts domain");
-		}
+			Error err = _unload_scripts_domain();
+			if (err != OK) {
+				WARN_PRINT("Mono: Failed to unload scripts domain");
+			}
 
-		return ERR_CANT_RESOLVE;
+			return ERR_CANT_RESOLVE;
+		} else {
+			return ERR_CANT_OPEN;
+		}
 	}
 
-	if (!_load_project_assembly())
+	if (!_load_project_assembly()) {
 		return ERR_CANT_OPEN;
+	}
 #else
 	print_verbose("Mono: Glue disabled, ignoring script assemblies.");
-#endif
+#endif // MONO_GLUE_ENABLED
 
 	return OK;
 }

modules/mono/mono_gd/gd_mono_header.h

@@ -44,9 +44,14 @@ struct ManagedType {
 	int type_encoding;
 	GDMonoClass *type_class;
 
-	ManagedType() {
-		type_encoding = 0;
-		type_class = NULL;
+	ManagedType() :
+			type_encoding(0),
+			type_class(NULL) {
+	}
+
+	ManagedType(int p_type_encoding, GDMonoClass *p_type_class) :
+			type_encoding(p_type_encoding),
+			type_class(p_type_class) {
 	}
 };
 

modules/mono/mono_gd/gd_mono_marshal.h

@@ -97,10 +97,14 @@ _FORCE_INLINE_ MonoString *mono_string_from_godot(const String &p_string) {
 MonoObject *variant_to_mono_object(const Variant *p_var, const ManagedType &p_type);
 MonoObject *variant_to_mono_object(const Variant *p_var);
 
-_FORCE_INLINE_ MonoObject *variant_to_mono_object(Variant p_var) {
+_FORCE_INLINE_ MonoObject *variant_to_mono_object(const Variant &p_var) {
 	return variant_to_mono_object(&p_var);
 }
 
+_FORCE_INLINE_ MonoObject *variant_to_mono_object(const Variant &p_var, const ManagedType &p_type) {
+	return variant_to_mono_object(&p_var, p_type);
+}
+
 Variant mono_object_to_variant(MonoObject *p_obj);
 
 // Array