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env/lib/python3.11/site-packages/pygments/lexers/bqn.py
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109
env/lib/python3.11/site-packages/pygments/lexers/bqn.py
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"""
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pygments.lexers.bqn
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~~~~~~~~~~~~~~~~~~~
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Lexer for BQN.
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:copyright: Copyright 2006-2024 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
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from pygments.token import Comment, Operator, Keyword, Name, String, \
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Number, Punctuation, Whitespace
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__all__ = ['BQNLexer']
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class BQNLexer(RegexLexer):
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"""
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A simple BQN lexer.
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"""
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name = 'BQN'
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url = 'https://mlochbaum.github.io/BQN/index.html'
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aliases = ['bqn']
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filenames = ['*.bqn']
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mimetypes = []
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version_added = '2.16'
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tokens = {
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'root': [
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# Whitespace
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# ==========
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(r'\s+', Whitespace),
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#
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# Comment
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# =======
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# '#' is a comment that continues to the end of the line
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(r'#.*$', Comment.Single),
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#
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# Strings
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# =======
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(r'\'((\'\')|[^\'])*\'', String.Single),
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(r'"(("")|[^"])*"', String.Double),
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#
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# Null Character
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# ==============
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# Literal representation of the null character
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(r'@', String.Symbol),
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#
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# Punctuation
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# ===========
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# This token type is used for diamond, commas
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# and array and list brackets and strand syntax
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(r'[\.⋄,\[\]⟨⟩‿]', Punctuation),
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#
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# Expression Grouping
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# ===================
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# Since this token type is important in BQN, it is not included in
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# the punctuation token type but rather in the following one
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(r'[\(\)]', String.Regex),
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#
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# Numbers
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# =======
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# Includes the numeric literals and the Nothing character
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(r'¯?([0-9]+\.?[0-9]+|[0-9]+)([Ee][¯]?[0-9]+)?|¯|∞|π|·', Number),
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#
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# Variables
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# =========
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(r'\b[a-z]\w*\b', Name.Variable),
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#
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# 1-Modifiers
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# ===========
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(r'[˙˜˘¨⌜⁼´˝`𝕣]', Name.Attribute),
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(r'\b_[a-zA-Z0-9]+\b', Name.Attribute),
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#
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# 2-Modifiers
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# ===========
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(r'[∘○⊸⟜⌾⊘◶⎉⚇⍟⎊]', Name.Property),
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(r'\b_[a-zA-Z0-9]+_\b', Name.Property),
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#
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# Functions
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# =========
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# The monadic or dyadic function primitives and function
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# operands and arguments, along with function self-reference
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(r'[+\-×÷\*√⌊⌈∧∨¬|≤<>≥=≠≡≢⊣⊢⥊∾≍⋈↑↓↕«»⌽⍉/⍋⍒⊏⊑⊐⊒∊⍷⊔!𝕎𝕏𝔽𝔾𝕊]',
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Operator),
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(r'[A-Z]\w*|•\w+\b', Operator),
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#
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# Constant
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# ========
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(r'˙', Name.Constant),
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#
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# Define/Export/Change
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# ====================
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(r'[←↩⇐]', Keyword.Declaration),
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#
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# Blocks
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# ======
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(r'[{}]', Keyword.Type),
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#
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# Extra characters
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# ================
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(r'[;:?𝕨𝕩𝕗𝕘𝕤]', Name.Entity),
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#
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],
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}
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