syntax/def_List.py



#!/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(
            "[[:digit:]]+",
            "[).]",
        )
    ),
    Choice(0,
        Sequence(
            NonTerminal("_"),
            Choice(0,
                NonTerminal("List"),
                NonTerminal("Words")
            )
        ),
        Skip()
    ),
    NonTerminal("NEWLINE"),
    type="complex"
).writeStandalone(
    open(splitext(basename(__file__))[0] + ".svg", "w").write)