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""" |
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pygments.lexers.ezhil |
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~~~~~~~~~~~~~~~~~~~~~ |
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Pygments lexers for Ezhil language. |
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:copyright: Copyright 2006-2025 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, include, words |
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from pygments.token import Keyword, Comment, Name, String, Number, \ |
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Punctuation, Operator, Whitespace |
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__all__ = ['EzhilLexer'] |
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class EzhilLexer(RegexLexer): |
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""" |
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Lexer for Ezhil, a Tamil script-based programming language. |
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""" |
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name = 'Ezhil' |
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url = 'http://ezhillang.org' |
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aliases = ['ezhil'] |
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filenames = ['*.n'] |
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mimetypes = ['text/x-ezhil'] |
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version_added = '2.1' |
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_TALETTERS = '[a-zA-Z_]|[\u0b80-\u0bff]' |
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tokens = { |
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'root': [ |
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include('keywords'), |
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(r'#.*$', Comment.Single), |
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(r'[@+/*,^\-%]|[!<>=]=?|&&?|\|\|?', Operator), |
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('இல்', Operator.Word), |
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(words(('assert', 'max', 'min', |
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'நீளம்', 'சரம்_இடமாற்று', 'சரம்_கண்டுபிடி', |
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'பட்டியல்', 'பின்இணை', 'வரிசைப்படுத்து', |
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'எடு', 'தலைகீழ்', 'நீட்டிக்க', 'நுழைக்க', 'வை', |
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'கோப்பை_திற', 'கோப்பை_எழுது', 'கோப்பை_மூடு', |
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'pi', 'sin', 'cos', 'tan', 'sqrt', 'hypot', 'pow', |
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'exp', 'log', 'log10', 'exit', |
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), suffix=r'\b'), Name.Builtin), |
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(r'(True|False)\b', Keyword.Constant), |
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(r'[^\S\n]+', Whitespace), |
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include('identifier'), |
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include('literal'), |
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(r'[(){}\[\]:;.]', Punctuation), |
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], |
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'keywords': [ |
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('பதிப்பி|தேர்ந்தெடு|தேர்வு|ஏதேனில்|ஆனால்|இல்லைஆனால்|இல்லை|ஆக|ஒவ்வொன்றாக|இல்|வரை|செய்|முடியேனில்|பின்கொடு|முடி|நிரல்பாகம்|தொடர்|நிறுத்து|நிரல்பாகம்', Keyword), |
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], |
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'identifier': [ |
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('(?:'+_TALETTERS+')(?:[0-9]|'+_TALETTERS+')*', Name), |
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], |
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'literal': [ |
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(r'".*?"', String), |
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(r'\d+((\.\d*)?[eE][+-]?\d+|\.\d*)', Number.Float), |
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(r'\d+', Number.Integer), |
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] |
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} |
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def analyse_text(text): |
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"""This language uses Tamil-script. We'll assume that if there's a |
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decent amount of Tamil-characters, it's this language. This assumption |
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is obviously horribly off if someone uses string literals in tamil |
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in another language.""" |
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if len(re.findall(r'[\u0b80-\u0bff]', text)) > 10: |
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return 0.25 |
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def __init__(self, **options): |
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super().__init__(**options) |
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self.encoding = options.get('encoding', 'utf-8') |
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