#!/usr/bin/python3

# Copyright 2025, Jonas Smedegaard <dr@jones.dk>
# SPDX-License-Identifier: GPL-3+

from os.path import basename, splitext
from railroad import *

Diagram(
	Choice(0,
		Sequence(
			"---",
			NonTerminal("NEWLINE"),
			Choice(0,
				OneOrMore(NonTerminal("MetaBlock")),
				Skip()
			),
			"---",
			NonTerminal("NEWLINE"),
		),
		Skip()
	),
	Choice(0,
		OneOrMore(NonTerminal("Block")),
		Skip()
	)
).writeStandalone(
	open(splitext(basename(__file__))[0] + ".svg", "w").write)