25f230191f
That way, we can set it to "" for old lexers, and check that it's present on new lexers. (In the future, we might also use it for better presentation in the documentation.)
63 lines
2.7 KiB
Python
63 lines
2.7 KiB
Python
"""
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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 2006-2023 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 source.
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"""
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name = 'Nit'
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url = 'http://nitlanguage.org'
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aliases = ['nit']
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filenames = ['*.nit']
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version_added = '2.0'
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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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