74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
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"""
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pygments.lexers.tal
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~~~~~~~~~~~~~~~~~~~
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Lexer for Uxntal
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.. versionadded:: 2.12
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:copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import RegexLexer, words
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from pygments.token import Comment, Keyword, Name, String, Number, Punctuation, Whitespace, Literal
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__all__ = ['TalLexer']
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class TalLexer(RegexLexer):
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"""
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For `Uxntal <https://wiki.xxiivv.com/site/uxntal.html>`_ source code.
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.. versionadded:: 2.12
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"""
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name = 'Tal'
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aliases = ['tal', 'uxntal']
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filenames = ['*.tal']
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mimetypes = ['text/x-uxntal']
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instructions = [
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'BRK', 'LIT', 'INC', 'POP', 'DUP', 'NIP', 'SWP', 'OVR', 'ROT',
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'EQU', 'NEQ', 'GTH', 'LTH', 'JMP', 'JCN', 'JSR', 'STH',
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'LDZ', 'STZ', 'LDR', 'STR', 'LDA', 'STA', 'DEI', 'DEO',
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'ADD', 'SUB', 'MUL', 'DIV', 'AND', 'ORA', 'EOR', 'SFT'
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]
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tokens = {
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# the comment delimiters must not be adjacent to non-space characters.
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# this means ( foo ) is a valid comment but (foo) is not. this also
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# applies to nested comments.
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'comment': [
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(r'(?<!\S)\((?!\S)', Comment.Multiline, '#push'), # nested comments
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(r'(?<!\S)\)(?!\S)', Comment.Multiline, '#pop'), # nested comments
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(r'[^()]+', Comment.Multiline), # comments
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(r'[()]+', Comment.Multiline), # comments
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],
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'root': [
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(r'\s+', Whitespace), # spaces
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(r'(?<!\S)\((?!\S)', Comment.Multiline, 'comment'), # comments
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(words(instructions, prefix=r'(?<!\S)', suffix=r'2?k?r?(?!\S)'), Keyword.Reserved), # instructions
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(r'[][{}](?!\S)', Punctuation), # delimiters
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(r'#([0-9a-f]{2}){1,2}(?!\S)', Number.Hex), # integer
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(r'"\S+', String), # raw string
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(r"'\S(?!\S)", String.Char), # raw char
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(r'([0-9a-f]{2}){1,2}(?!\S)', Literal), # raw integer
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(r'[|$][0-9a-f]{1,4}(?!\S)', Keyword.Declaration), # abs/rel pad
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(r'%\S+', Name.Decorator), # macro
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(r'@\S+', Name.Function), # label
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(r'&\S+', Name.Label), # sublabel
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(r'/\S+', Name.Tag), # spacer
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(r'\.\S+', Name.Variable.Magic), # zero page addr
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(r',\S+', Name.Variable.Instance), # rel addr
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(r';\S+', Name.Variable.Global), # abs addr
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(r':\S+', Literal), # raw addr
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(r'~\S+', Keyword.Namespace), # include
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(r'\S+', Name),
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]
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}
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def analyse_text(text):
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return '|0100' in text[:500]
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