70 lines
2.9 KiB
Python
70 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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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 2006-2017 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, Text, Comment, Name
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from pygments.token import String, Number, Punctuation, Operator
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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 <http://ezhillang.org>`_
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.. versionadded:: 2.1
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"""
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name = 'Ezhil'
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aliases = ['ezhil']
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filenames = ['*.n']
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mimetypes = ['text/x-ezhil']
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flags = re.MULTILINE | re.UNICODE
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# Refer to tamil.utf8.tamil_letters from open-tamil for a stricter version of this.
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# This much simpler version is close enough, and includes combining marks.
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_TALETTERS = u'[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'#.*\n', Comment.Single),
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(r'[@+/*,^\-%]|[!<>=]=?|&&?|\|\|?', Operator),
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(u'இல்', Operator.Word),
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(words((u'assert', u'max', u'min',
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u'நீளம்', u'சரம்_இடமாற்று', u'சரம்_கண்டுபிடி',
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u'பட்டியல்', u'பின்இணை', u'வரிசைப்படுத்து',
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u'எடு', u'தலைகீழ்', u'நீட்டிக்க', u'நுழைக்க', u'வை',
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u'கோப்பை_திற', u'கோப்பை_எழுது', u'கோப்பை_மூடு',
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u'pi', u'sin', u'cos', u'tan', u'sqrt', u'hypot', u'pow',
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u'exp', u'log', u'log10', u'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]+', Text),
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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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(u'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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(u'(?:'+_TALETTERS+u')(?:[0-9]|'+_TALETTERS+u')*', Name),
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],
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'literal': [
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(r'".*?"', String),
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(r'(?u)\d+((\.\d*)?[eE][+-]?\d+|\.\d*)', Number.Float),
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(r'(?u)\d+', Number.Integer),
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]
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}
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def __init__(self, **options):
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super(EzhilLexer, self).__init__(**options)
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self.encoding = options.get('encoding', 'utf-8')
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