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64 lines
2.7 KiB
64 lines
2.7 KiB
4 years ago
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"""
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pygments.lexers.nit
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~~~~~~~~~~~~~~~~~~~
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Lexer for the Nit language.
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:copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from pygments.lexer import RegexLexer, words
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation
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__all__ = ['NitLexer']
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class NitLexer(RegexLexer):
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"""
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For `nit <http://nitlanguage.org>`_ source.
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.. versionadded:: 2.0
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"""
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name = 'Nit'
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aliases = ['nit']
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filenames = ['*.nit']
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tokens = {
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'root': [
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(r'#.*?$', Comment.Single),
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(words((
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'package', 'module', 'import', 'class', 'abstract', 'interface',
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'universal', 'enum', 'end', 'fun', 'type', 'init', 'redef',
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'isa', 'do', 'readable', 'writable', 'var', 'intern', 'extern',
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'public', 'protected', 'private', 'intrude', 'if', 'then',
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'else', 'while', 'loop', 'for', 'in', 'and', 'or', 'not',
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'implies', 'return', 'continue', 'break', 'abort', 'assert',
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'new', 'is', 'once', 'super', 'self', 'true', 'false', 'nullable',
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'null', 'as', 'isset', 'label', '__debug__'), suffix=r'(?=[\r\n\t( ])'),
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Keyword),
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(r'[A-Z]\w*', Name.Class),
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(r'"""(([^\'\\]|\\.)|\\r|\\n)*((\{\{?)?(""?\{\{?)*""""*)', String), # Simple long string
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(r'\'\'\'(((\\.|[^\'\\])|\\r|\\n)|\'((\\.|[^\'\\])|\\r|\\n)|'
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r'\'\'((\\.|[^\'\\])|\\r|\\n))*\'\'\'', String), # Simple long string alt
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(r'"""(([^\'\\]|\\.)|\\r|\\n)*((""?)?(\{\{?""?)*\{\{\{\{*)', String), # Start long string
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(r'\}\}\}(((\\.|[^\'\\])|\\r|\\n))*(""?)?(\{\{?""?)*\{\{\{\{*', String), # Mid long string
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(r'\}\}\}(((\\.|[^\'\\])|\\r|\\n))*(\{\{?)?(""?\{\{?)*""""*', String), # End long string
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(r'"(\\.|([^"}{\\]))*"', String), # Simple String
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(r'"(\\.|([^"}{\\]))*\{', String), # Start string
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(r'\}(\\.|([^"}{\\]))*\{', String), # Mid String
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(r'\}(\\.|([^"}{\\]))*"', String), # End String
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(r'(\'[^\'\\]\')|(\'\\.\')', String.Char),
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(r'[0-9]+', Number.Integer),
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(r'[0-9]*.[0-9]+', Number.Float),
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(r'0(x|X)[0-9A-Fa-f]+', Number.Hex),
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(r'[a-z]\w*', Name),
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(r'_\w+', Name.Variable.Instance),
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(r'==|!=|<==>|>=|>>|>|<=|<<|<|\+|-|=|/|\*|%|\+=|-=|!|@', Operator),
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(r'\(|\)|\[|\]|,|\.\.\.|\.\.|\.|::|:', Punctuation),
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(r'`\{[^`]*`\}', Text), # Extern blocks won't be Lexed by Nit
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(r'[\r\n\t ]+', Text),
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],
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}
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