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110 lines
3.3 KiB
110 lines
3.3 KiB
""" |
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pygments.lexers.bqn |
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~~~~~~~~~~~~~~~~~~~ |
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Lexer for BQN. |
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:copyright: Copyright 2006-2023 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 |
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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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.. versionadded:: 2.16 |
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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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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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