# Injection of a new module without source.
	# Used by the interpreter.
	fun load_rt_module(parent: nullable MModule, nmodule: AModule, mod_name: String): nullable MModule
	do
		# Create the module

		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)
		parsed_modules.add mmodule
		self.mmodule2nmodule[mmodule] = nmodule

		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)
		end
		build_module_importation(nmodule)

		return mmodule
	end