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1 # -*- coding: utf-8 -*- |
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2 """ |
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3 pygments.lexers.nit |
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4 ~~~~~~~~~~~~~~~~~~~ |
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5 |
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6 Lexer for the Nit language. |
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7 |
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8 :copyright: Copyright 2006-2014 by the Pygments team, see AUTHORS. |
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9 :license: BSD, see LICENSE for details. |
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10 """ |
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11 |
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12 from pygments.lexer import RegexLexer, words |
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13 from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ |
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14 Number, Punctuation |
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15 |
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16 __all__ = ['NitLexer'] |
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17 |
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18 |
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19 class NitLexer(RegexLexer): |
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20 """ |
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21 For `nit <http://nitlanguage.org>`_ source. |
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22 |
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23 .. versionadded:: 2.0 |
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24 """ |
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25 |
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26 name = 'Nit' |
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27 aliases = ['nit'] |
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28 filenames = ['*.nit'] |
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29 tokens = { |
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30 'root': [ |
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31 (r'#.*?$', Comment.Single), |
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32 (words(( |
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33 'package', 'module', 'import', 'class', 'abstract', 'interface', |
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34 'universal', 'enum', 'end', 'fun', 'type', 'init', 'redef', |
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35 'isa', 'do', 'readable', 'writable', 'var', 'intern', 'extern', |
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36 'public', 'protected', 'private', 'intrude', 'if', 'then', |
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37 'else', 'while', 'loop', 'for', 'in', 'and', 'or', 'not', |
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38 'implies', 'return', 'continue', 'break', 'abort', 'assert', |
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39 'new', 'is', 'once', 'super', 'self', 'true', 'false', 'nullable', |
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40 'null', 'as', 'isset', 'label', '__debug__'), suffix=r'(?=[\r\n\t( ])'), |
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41 Keyword), |
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42 (r'[A-Z]\w*', Name.Class), |
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43 (r'"""(([^\'\\]|\\.)|\\r|\\n)*((\{\{?)?(""?\{\{?)*""""*)', String), # Simple long string |
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44 (r'\'\'\'(((\\.|[^\'\\])|\\r|\\n)|\'((\\.|[^\'\\])|\\r|\\n)|' |
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45 r'\'\'((\\.|[^\'\\])|\\r|\\n))*\'\'\'', String), # Simple long string alt |
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46 (r'"""(([^\'\\]|\\.)|\\r|\\n)*((""?)?(\{\{?""?)*\{\{\{\{*)', String), # Start long string |
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47 (r'\}\}\}(((\\.|[^\'\\])|\\r|\\n))*(""?)?(\{\{?""?)*\{\{\{\{*', String), # Mid long string |
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48 (r'\}\}\}(((\\.|[^\'\\])|\\r|\\n))*(\{\{?)?(""?\{\{?)*""""*', String), # End long string |
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49 (r'"(\\.|([^"}{\\]))*"', String), # Simple String |
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50 (r'"(\\.|([^"}{\\]))*\{', String), # Start string |
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51 (r'\}(\\.|([^"}{\\]))*\{', String), # Mid String |
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52 (r'\}(\\.|([^"}{\\]))*"', String), # End String |
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53 (r'(\'[^\'\\]\')|(\'\\.\')', String.Char), |
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54 (r'[0-9]+', Number.Integer), |
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55 (r'[0-9]*.[0-9]+', Number.Float), |
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56 (r'0(x|X)[0-9A-Fa-f]+', Number.Hex), |
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57 (r'[a-z]\w*', Name), |
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58 (r'_\w+', Name.Variable.Instance), |
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59 (r'==|!=|<==>|>=|>>|>|<=|<<|<|\+|-|=|/|\*|%|\+=|-=|!|@', Operator), |
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60 (r'\(|\)|\[|\]|,|\.\.\.|\.\.|\.|::|:', Punctuation), |
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61 (r'`\{[^`]*`\}', Text), # Extern blocks won't be Lexed by Nit |
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62 (r'[\r\n\t ]+', Text), |
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63 ], |
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64 } |