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- """
- pygments.lexers.ezhil
- ~~~~~~~~~~~~~~~~~~~~~
- Pygments lexers for Ezhil language.
- :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
- :license: BSD, see LICENSE for details.
- """
- import re
- from pygments.lexer import RegexLexer, include, words
- from pygments.token import Keyword, Text, Comment, Name
- from pygments.token import String, Number, Punctuation, Operator
- __all__ = ['EzhilLexer']
- class EzhilLexer(RegexLexer):
- """
- Lexer for `Ezhil, a Tamil script-based programming language <http://ezhillang.org>`_
- .. versionadded:: 2.1
- """
- name = 'Ezhil'
- aliases = ['ezhil']
- filenames = ['*.n']
- mimetypes = ['text/x-ezhil']
- flags = re.MULTILINE | re.UNICODE
- # Refer to tamil.utf8.tamil_letters from open-tamil for a stricter version of this.
- # This much simpler version is close enough, and includes combining marks.
- _TALETTERS = '[a-zA-Z_]|[\u0b80-\u0bff]'
- tokens = {
- 'root': [
- include('keywords'),
- (r'#.*\n', Comment.Single),
- (r'[@+/*,^\-%]|[!<>=]=?|&&?|\|\|?', Operator),
- ('இல்', Operator.Word),
- (words(('assert', 'max', 'min',
- 'நீளம்', 'சரம்_இடமாற்று', 'சரம்_கண்டுபிடி',
- 'பட்டியல்', 'பின்இணை', 'வரிசைப்படுத்து',
- 'எடு', 'தலைகீழ்', 'நீட்டிக்க', 'நுழைக்க', 'வை',
- 'கோப்பை_திற', 'கோப்பை_எழுது', 'கோப்பை_மூடு',
- 'pi', 'sin', 'cos', 'tan', 'sqrt', 'hypot', 'pow',
- 'exp', 'log', 'log10', 'exit',
- ), suffix=r'\b'), Name.Builtin),
- (r'(True|False)\b', Keyword.Constant),
- (r'[^\S\n]+', Text),
- include('identifier'),
- include('literal'),
- (r'[(){}\[\]:;.]', Punctuation),
- ],
- 'keywords': [
- ('பதிப்பி|தேர்ந்தெடு|தேர்வு|ஏதேனில்|ஆனால்|இல்லைஆனால்|இல்லை|ஆக|ஒவ்வொன்றாக|இல்|வரை|செய்|முடியேனில்|பின்கொடு|முடி|நிரல்பாகம்|தொடர்|நிறுத்து|நிரல்பாகம்', Keyword),
- ],
- 'identifier': [
- ('(?:'+_TALETTERS+')(?:[0-9]|'+_TALETTERS+')*', Name),
- ],
- 'literal': [
- (r'".*?"', String),
- (r'(?u)\d+((\.\d*)?[eE][+-]?\d+|\.\d*)', Number.Float),
- (r'(?u)\d+', Number.Integer),
- ]
- }
- def analyse_text(text):
- """This language uses Tamil-script. We'll assume that if there's a
- decent amount of Tamil-characters, it's this language. This assumption
- is obviously horribly off if someone uses string literals in tamil
- in another language."""
- if len(re.findall(r'[\u0b80-\u0bff]', text)) > 10:
- return 0.25
- def __init__(self, **options):
- super().__init__(**options)
- self.encoding = options.get('encoding', 'utf-8')
|
