# Parse all arguments as paths relative to the declaring module
	#
	# If no arguments are given, then use the parent directory of the module.
	private fun as_relative_paths(modelbuilder: ModelBuilder): Array[String]
	do
		var paths = new Array[String]

		var file = location.file
		if file == null then return paths

		var args = n_args
		if args.is_empty then
			paths.add file.filename.dirname
		else
			for arg in args do
				var val = arg.as_string
				if val != null then
					paths.add file.filename.dirname/val
				else modelbuilder.error(arg, "Syntax Error: `app_files` expects String literals as arguments.")
			end
		end

		return paths
	end