25f230191f
That way, we can set it to "" for old lexers, and check that it's present on new lexers. (In the future, we might also use it for better presentation in the documentation.)
77 lines
2.8 KiB
Python
77 lines
2.8 KiB
Python
"""
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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 2006-2023 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from pygments.lexer import RegexLexer, words
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from pygments.token import Comment, Keyword, Name, String, Number, \
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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 source code.
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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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url = 'https://wiki.xxiivv.com/site/uxntal.html'
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version_added = '2.12'
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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)'),
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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'([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), # literal zero page addr
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(r',\S+', Name.Variable.Instance), # literal rel addr
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(r';\S+', Name.Variable.Global), # literal abs addr
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(r'-\S+', Literal), # raw zero page addr
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(r'_\S+', Literal), # raw relative addr
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(r'=\S+', Literal), # raw absolute addr
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(r'!\S+', Name.Function), # immediate jump
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(r'\?\S+', Name.Function), # conditional immediate jump
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(r'~\S+', Keyword.Namespace), # include
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(r'\S+', Name.Function), # macro invocation, immediate subroutine
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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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