# Force the creation of a new file
	# The point is to avoid contamination between must-be-compiled-separately files
	fun new_file(name: String): CodeFile
	do
		if modelbuilder.toolcontext.opt_group_c_files.value then
			if self.files.is_empty then
				var f = new CodeFile(mainmodule.c_name)
				self.files.add(f)
			end
			return self.files.first
		end
		var f = new CodeFile(name)
		self.files.add(f)
		return f
	end