+typedef struct {
+ GType type;
+ const char *name;
+} TypeReference;
+
+static GHashTable *type_refs_ht = NULL;
+static guint type_refs_last_serial = 0;
+
+static TypeReference *
+get_type_reference (const char *name)
+{
+ TypeReference *ref;
+
+
+ if (type_refs_ht == NULL)
+ type_refs_ht = g_hash_table_new (g_str_hash, g_str_equal);
+
+ ref = g_hash_table_lookup (type_refs_ht, name);
+
+ if (ref != NULL)
+ return ref;
+
+ ref = g_slice_new (TypeReference);
+ ref->name = g_intern_string (name);
+ ref->type = g_type_from_name (ref->name);
+
+ g_hash_table_insert (type_refs_ht,
+ (gpointer)ref->name, ref);
+
+ return ref;
+}
+
+static void
+update_type_references (void)
+{
+ GHashTableIter iter;
+ guint serial;
+ gpointer value;
+
+ serial = g_type_get_type_registration_serial ();
+
+ if (serial == type_refs_last_serial)
+ return;
+
+ type_refs_last_serial = serial;
+
+ if (type_refs_ht == NULL)
+ return;
+
+ g_hash_table_iter_init (&iter, type_refs_ht);
+ while (g_hash_table_iter_next (&iter,
+ NULL, &value))
+ {
+ TypeReference *ref = value;
+ if (ref->type == G_TYPE_INVALID)
+ ref->type = g_type_from_name (ref->name);
+ }
+}
+