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diff --git a/venv/lib/python3.9/site-packages/pygments/lexers/clean.py b/venv/lib/python3.9/site-packages/pygments/lexers/clean.py
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+"""
+ pygments.lexers.clean
+ ~~~~~~~~~~~~~~~~~~~~~
+
+ Lexer for the Clean language.
+
+ :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+ :license: BSD, see LICENSE for details.
+"""
+
+from pygments.lexer import ExtendedRegexLexer, words, default, include, bygroups
+from pygments.token import Comment, Error, Keyword, Literal, Name, Number, \
+ Operator, Punctuation, String, Whitespace
+
+__all__ = ['CleanLexer']
+
+
+class CleanLexer(ExtendedRegexLexer):
+ """
+ Lexer for the general purpose, state-of-the-art, pure and lazy functional
+ programming language Clean.
+
+ .. versionadded: 2.2
+ """
+ name = 'Clean'
+ url = 'http://clean.cs.ru.nl/Clean'
+ aliases = ['clean']
+ filenames = ['*.icl', '*.dcl']
+
+ keywords = (
+ 'case', 'ccall', 'class', 'code', 'code inline', 'derive', 'export',
+ 'foreign', 'generic', 'if', 'in', 'infix', 'infixl', 'infixr',
+ 'instance', 'let', 'of', 'otherwise', 'special', 'stdcall', 'where',
+ 'with')
+
+ modulewords = ('implementation', 'definition', 'system')
+
+ lowerId = r'[a-z`][\w`]*'
+ upperId = r'[A-Z`][\w`]*'
+ funnyId = r'[~@#$%\^?!+\-*<>\\/|&=:]+'
+ scoreUpperId = r'_' + upperId
+ scoreLowerId = r'_' + lowerId
+ moduleId = r'[a-zA-Z_][a-zA-Z0-9_.`]+'
+ classId = '|'.join([lowerId, upperId, funnyId])
+
+ tokens = {
+ 'root': [
+ include('comments'),
+ include('keywords'),
+ include('module'),
+ include('import'),
+ include('whitespace'),
+ include('literals'),
+ include('operators'),
+ include('delimiters'),
+ include('names'),
+ ],
+ 'whitespace': [
+ (r'\s+', Whitespace),
+ ],
+ 'comments': [
+ (r'//.*\n', Comment.Single),
+ (r'/\*', Comment.Multiline, 'comments.in'),
+ (r'/\*\*', Comment.Special, 'comments.in'),
+ ],
+ 'comments.in': [
+ (r'\*\/', Comment.Multiline, '#pop'),
+ (r'/\*', Comment.Multiline, '#push'),
+ (r'[^*/]+', Comment.Multiline),
+ (r'\*(?!/)', Comment.Multiline),
+ (r'/', Comment.Multiline),
+ ],
+ 'keywords': [
+ (words(keywords, prefix=r'\b', suffix=r'\b'), Keyword),
+ ],
+ 'module': [
+ (words(modulewords, prefix=r'\b', suffix=r'\b'), Keyword.Namespace),
+ (r'\bmodule\b', Keyword.Namespace, 'module.name'),
+ ],
+ 'module.name': [
+ include('whitespace'),
+ (moduleId, Name.Class, '#pop'),
+ ],
+ 'import': [
+ (r'\b(import)\b(\s*)', bygroups(Keyword, Whitespace), 'import.module'),
+ (r'\b(from)\b(\s*)\b(' + moduleId + r')\b(\s*)\b(import)\b',
+ bygroups(Keyword, Whitespace, Name.Class, Whitespace, Keyword),
+ 'import.what'),
+ ],
+ 'import.module': [
+ (r'\b(qualified)\b(\s*)', bygroups(Keyword, Whitespace)),
+ (r'(\s*)\b(as)\b', bygroups(Whitespace, Keyword), ('#pop', 'import.module.as')),
+ (moduleId, Name.Class),
+ (r'(\s*)(,)(\s*)', bygroups(Whitespace, Punctuation, Whitespace)),
+ (r'\s+', Whitespace),
+ default('#pop'),
+ ],
+ 'import.module.as': [
+ include('whitespace'),
+ (lowerId, Name.Class, '#pop'),
+ (upperId, Name.Class, '#pop'),
+ ],
+ 'import.what': [
+ (r'\b(class)\b(\s+)(' + classId + r')',
+ bygroups(Keyword, Whitespace, Name.Class), 'import.what.class'),
+ (r'\b(instance)(\s+)(' + classId + r')(\s+)',
+ bygroups(Keyword, Whitespace, Name.Class, Whitespace), 'import.what.instance'),
+ (r'(::)(\s*)\b(' + upperId + r')\b',
+ bygroups(Punctuation, Whitespace, Name.Class), 'import.what.type'),
+ (r'\b(generic)\b(\s+)\b(' + lowerId + '|' + upperId + r')\b',
+ bygroups(Keyword, Whitespace, Name)),
+ include('names'),
+ (r'(,)(\s+)', bygroups(Punctuation, Whitespace)),
+ (r'$', Whitespace, '#pop'),
+ include('whitespace'),
+ ],
+ 'import.what.class': [
+ (r',', Punctuation, '#pop'),
+ (r'\(', Punctuation, 'import.what.class.members'),
+ (r'$', Whitespace, '#pop:2'),
+ include('whitespace'),
+ ],
+ 'import.what.class.members': [
+ (r',', Punctuation),
+ (r'\.\.', Punctuation),
+ (r'\)', Punctuation, '#pop'),
+ include('names'),
+ ],
+ 'import.what.instance': [
+ (r'[,)]', Punctuation, '#pop'),
+ (r'\(', Punctuation, 'import.what.instance'),
+ (r'$', Whitespace, '#pop:2'),
+ include('whitespace'),
+ include('names'),
+ ],
+ 'import.what.type': [
+ (r',', Punctuation, '#pop'),
+ (r'[({]', Punctuation, 'import.what.type.consesandfields'),
+ (r'$', Whitespace, '#pop:2'),
+ include('whitespace'),
+ ],
+ 'import.what.type.consesandfields': [
+ (r',', Punctuation),
+ (r'\.\.', Punctuation),
+ (r'[)}]', Punctuation, '#pop'),
+ include('names'),
+ ],
+ 'literals': [
+ (r'\'([^\'\\]|\\(x[\da-fA-F]+|\d+|.))\'', Literal.Char),
+ (r'[+~-]?0[0-7]+\b', Number.Oct),
+ (r'[+~-]?\d+\.\d+(E[+-]?\d+)?', Number.Float),
+ (r'[+~-]?\d+\b', Number.Integer),
+ (r'[+~-]?0x[\da-fA-F]+\b', Number.Hex),
+ (r'True|False', Literal),
+ (r'"', String.Double, 'literals.stringd'),
+ ],
+ 'literals.stringd': [
+ (r'[^\\"\n]+', String.Double),
+ (r'"', String.Double, '#pop'),
+ (r'\\.', String.Double),
+ (r'[$\n]', Error, '#pop'),
+ ],
+ 'operators': [
+ (r'[-~@#$%\^?!+*<>\\/|&=:.]+', Operator),
+ (r'\b_+\b', Operator),
+ ],
+ 'delimiters': [
+ (r'[,;(){}\[\]]', Punctuation),
+ (r'(\')([\w`.]+)(\')',
+ bygroups(Punctuation, Name.Class, Punctuation)),
+ ],
+ 'names': [
+ (lowerId, Name),
+ (scoreLowerId, Name),
+ (funnyId, Name.Function),
+ (upperId, Name.Class),
+ (scoreUpperId, Name.Class),
+ ]
+ }