#!/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(
	Start("complex"),
	NonTerminal("Words"),
	ZeroOrMore(
		Choice(0,
			Sequence(
				Optional(NonTerminal("SPACE")),
				NonTerminal("NEWLINE"),
				NonTerminal("Words")
			),
			Sequence(
				NonTerminal("HardBreak"),
				NonTerminal("Words")
			)
		)
	),
	NonTerminal("NEWLINE"),
	OneOrMore(NonTerminal("NEWLINE")),
	End("complex")
).writeStandalone(
	open(splitext(basename(__file__))[0] + ".svg", "w").write)