# -*- coding: utf-8 -*-
# :-
# SPDX-FileCopyrightText: © 2026 Franz Glasner
# SPDX-License-Identifier: MIT
# :-
r"""Some common bases for the lexers."""


__all__ = []


from pygments.lexer import RegexLexer
from pygments.token import Number


class LexBase(RegexLexer):

    """A base that defines some common lexer states.

    Default flags are not important.

    """

    tokens = {
#
# This state is borrowed from Pygment's Python lexer.
#
# SPDX-SnippetBegin
# SPDX-License-Identifier: BSD-2-Clause
# SPDX-SnippetCopyrightText: Copyright 2006-2023 by the Pygments team
        'py-numbers': [
            (r'(\d(?:_?\d)*\.(?:\d(?:_?\d)*)?|(?:\d(?:_?\d)*)?\.\d(?:_?\d)*)'
             r'([eE][+-]?\d(?:_?\d)*)?', Number.Float),
            (r'\d(?:_?\d)*[eE][+-]?\d(?:_?\d)*j?', Number.Float),
            (r'0[oO](?:_?[0-7])+', Number.Oct),
            (r'0[bB](?:_?[01])+', Number.Bin),
            (r'0[xX](?:_?[a-fA-F0-9])+', Number.Hex),
            (r'\d(?:_?\d)*', Number.Integer),
        ],
# SPDX-SnippetEnd
    }