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comparison: ThirdParty/Pygments/pygments/lexers/elm.py
ThirdParty/Pygments/pygments/lexers/elm.py
- changeset 4697
- c2e9bf425554
- child 5713
- 6762afd9f963
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| 4696:bf4d19a7cade | 4697:c2e9bf425554 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 """ | |
| 3 pygments.lexers.elm | |
| 4 ~~~~~~~~~~~~~~~~~~~ | |
| 5 | |
| 6 Lexer for the Elm programming language. | |
| 7 | |
| 8 :copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS. | |
| 9 :license: BSD, see LICENSE for details. | |
| 10 """ | |
| 11 | |
| 12 from pygments.lexer import RegexLexer, words, include | |
| 13 from pygments.token import Comment, Keyword, Name, Number, Punctuation, String, Text | |
| 14 | |
| 15 __all__ = ['ElmLexer'] | |
| 16 | |
| 17 | |
| 18 class ElmLexer(RegexLexer): | |
| 19 """ | |
| 20 For `Elm <http://elm-lang.org/>`_ source code. | |
| 21 | |
| 22 .. versionadded:: 2.1 | |
| 23 """ | |
| 24 | |
| 25 name = 'Elm' | |
| 26 aliases = ['elm'] | |
| 27 filenames = ['*.elm'] | |
| 28 mimetypes = ['text/x-elm'] | |
| 29 | |
| 30 validName = r'[a-z_][a-zA-Z_\']*' | |
| 31 | |
| 32 specialName = r'^main ' | |
| 33 | |
| 34 builtinOps = ( | |
| 35 '~', '||', '|>', '|', '`', '^', '\\', '\'', '>>', '>=', '>', '==', | |
| 36 '=', '<~', '<|', '<=', '<<', '<-', '<', '::', ':', '/=', '//', '/', | |
| 37 '..', '.', '->', '-', '++', '+', '*', '&&', '%', | |
| 38 ) | |
| 39 | |
| 40 reservedWords = words(( | |
| 41 'alias', 'as', 'case', 'else', 'if', 'import', 'in', | |
| 42 'let', 'module', 'of', 'port', 'then', 'type', 'where', | |
| 43 ), suffix=r'\b') | |
| 44 | |
| 45 tokens = { | |
| 46 'root': [ | |
| 47 | |
| 48 # Comments | |
| 49 (r'{-', Comment.Multiline, 'comment'), | |
| 50 (r'--.*', Comment.Single), | |
| 51 | |
| 52 # Whitespace | |
| 53 (r'\s+', Text), | |
| 54 | |
| 55 # Strings | |
| 56 (r'"', String, 'doublequote'), | |
| 57 | |
| 58 # Modules | |
| 59 (r'^\s*module\s*', Keyword.Namespace, 'imports'), | |
| 60 | |
| 61 # Imports | |
| 62 (r'^\s*import\s*', Keyword.Namespace, 'imports'), | |
| 63 | |
| 64 # Shaders | |
| 65 (r'\[glsl\|.*', Name.Entity, 'shader'), | |
| 66 | |
| 67 # Keywords | |
| 68 (reservedWords, Keyword.Reserved), | |
| 69 | |
| 70 # Types | |
| 71 (r'[A-Z]\w*', Keyword.Type), | |
| 72 | |
| 73 # Main | |
| 74 (specialName, Keyword.Reserved), | |
| 75 | |
| 76 # Prefix Operators | |
| 77 (words((builtinOps), prefix=r'\(', suffix=r'\)'), Name.Function), | |
| 78 | |
| 79 # Infix Operators | |
| 80 (words((builtinOps)), Name.Function), | |
| 81 | |
| 82 # Numbers | |
| 83 include('numbers'), | |
| 84 | |
| 85 # Variable Names | |
| 86 (validName, Name.Variable), | |
| 87 | |
| 88 # Parens | |
| 89 (r'[,\(\)\[\]{}]', Punctuation), | |
| 90 | |
| 91 ], | |
| 92 | |
| 93 'comment': [ | |
| 94 (r'-(?!})', Comment.Multiline), | |
| 95 (r'{-', Comment.Multiline, 'comment'), | |
| 96 (r'[^-}]', Comment.Multiline), | |
| 97 (r'-}', Comment.Multiline, '#pop'), | |
| 98 ], | |
| 99 | |
| 100 'doublequote': [ | |
| 101 (r'\\u[0-9a-fA-F]\{4}', String.Escape), | |
| 102 (r'\\[nrfvb\\\"]', String.Escape), | |
| 103 (r'[^"]', String), | |
| 104 (r'"', String, '#pop'), | |
| 105 ], | |
| 106 | |
| 107 'imports': [ | |
| 108 (r'\w+(\.\w+)*', Name.Class, '#pop'), | |
| 109 ], | |
| 110 | |
| 111 'numbers': [ | |
| 112 (r'_?\d+\.(?=\d+)', Number.Float), | |
| 113 (r'_?\d+', Number.Integer), | |
| 114 ], | |
| 115 | |
| 116 'shader': [ | |
| 117 (r'\|(?!\])', Name.Entity), | |
| 118 (r'\|\]', Name.Entity, '#pop'), | |
| 119 (r'.*\n', Name.Entity), | |
| 120 ], | |
| 121 } |
