modelbuilder: parent in load_rt_module is optionnal

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/modelbuilder.nit b/src/modelbuilder.nit
index 48bc6fa..dcff009 100644 (file)
--- a/src/modelbuilder.nit
+++ b/src/modelbuilder.nit
@@ -586,20 +586,25 @@ class ModelBuilder
                return nmodule
        end
 
-       fun load_rt_module(parent: MModule, nmodule: AModule, mod_name: String): nullable AModule
+       fun load_rt_module(parent: nullable MModule, nmodule: AModule, mod_name: String): nullable AModule
        do
                # Create the module
-               var mmodule = new MModule(model, parent.mgroup, mod_name, nmodule.location)
+
+               var mgroup = null
+               if parent != null then mgroup = parent.mgroup
+               var mmodule = new MModule(model, mgroup, mod_name, nmodule.location)
                nmodule.mmodule = mmodule
                nmodules.add(nmodule)
                self.mmodule2nmodule[mmodule] = nmodule
 
-               var imported_modules = new Array[MModule]
-
-               imported_modules.add(parent)
-               mmodule.set_visibility_for(parent, intrude_visibility)
-
-               mmodule.set_imported_mmodules(imported_modules)
+               if parent!= null then
+                       var imported_modules = new Array[MModule]
+                       imported_modules.add(parent)
+                       mmodule.set_visibility_for(parent, intrude_visibility)
+                       mmodule.set_imported_mmodules(imported_modules)
+               else
+                       build_module_importation(nmodule)
+               end
 
                return nmodule
        end