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""" |
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pygments.lexers.inferno |
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~~~~~~~~~~~~~~~~~~~~~~~ |
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Lexers for Inferno os and all the related stuff. |
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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, bygroups, default |
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from pygments.token import Punctuation, Comment, Operator, Keyword, \ |
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Name, String, Number, Whitespace |
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__all__ = ['LimboLexer'] |
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class LimboLexer(RegexLexer): |
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""" |
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Lexer for Limbo programming language |
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TODO: |
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- maybe implement better var declaration highlighting |
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- some simple syntax error highlighting |
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""" |
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name = 'Limbo' |
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url = 'http://www.vitanuova.com/inferno/limbo.html' |
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aliases = ['limbo'] |
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filenames = ['*.b'] |
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mimetypes = ['text/limbo'] |
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version_added = '2.0' |
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tokens = { |
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'whitespace': [ |
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(r'^(\s*)([a-zA-Z_]\w*:)(\s*\n)', |
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bygroups(Whitespace, Name.Label, Whitespace)), |
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(r'\n', Whitespace), |
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(r'\s+', Whitespace), |
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(r'#(\n|(.|\n)*?[^\\]\n)', Comment.Single), |
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], |
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'string': [ |
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(r'"', String, '#pop'), |
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(r'\\([\\abfnrtv"\']|x[a-fA-F0-9]{2,4}|' |
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r'u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8}|[0-7]{1,3})', String.Escape), |
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(r'[^\\"\n]+', String), |
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(r'\\', String), |
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], |
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'statements': [ |
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(r'"', String, 'string'), |
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(r"'(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])'", String.Char), |
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(r'(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+', Number.Float), |
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(r'(\d+\.\d*|\.\d+|\d+[fF])', Number.Float), |
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(r'16r[0-9a-fA-F]+', Number.Hex), |
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(r'8r[0-7]+', Number.Oct), |
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(r'((([1-3]\d)|([2-9]))r)?(\d+)', Number.Integer), |
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(r'[()\[\],.]', Punctuation), |
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(r'[~!%^&*+=|?:<>/-]|(->)|(<-)|(=>)|(::)', Operator), |
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(r'(alt|break|case|continue|cyclic|do|else|exit' |
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r'for|hd|if|implement|import|include|len|load|or' |
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r'pick|return|spawn|tagof|tl|to|while)\b', Keyword), |
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(r'(byte|int|big|real|string|array|chan|list|adt' |
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r'|fn|ref|of|module|self|type)\b', Keyword.Type), |
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(r'(con|iota|nil)\b', Keyword.Constant), |
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(r'[a-zA-Z_]\w*', Name), |
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], |
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'statement' : [ |
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include('whitespace'), |
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include('statements'), |
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('[{}]', Punctuation), |
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(';', Punctuation, '#pop'), |
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], |
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'root': [ |
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include('whitespace'), |
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default('statement'), |
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], |
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} |
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def analyse_text(text): |
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if re.search(r'^implement \w+;', text, re.MULTILINE): |
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return 0.7 |
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