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