111 lines
3.3 KiB
Python
111 lines
3.3 KiB
Python
"""
|
||
pygments.lexers.bqn
|
||
~~~~~~~~~~~~~~~~~~~
|
||
|
||
Lexer for BQN.
|
||
|
||
:copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
|
||
:license: BSD, see LICENSE for details.
|
||
"""
|
||
|
||
from pygments.lexer import RegexLexer
|
||
from pygments.token import Comment, Operator, Keyword, Name, String, \
|
||
Number, Punctuation, Whitespace
|
||
|
||
__all__ = ['BQNLexer']
|
||
|
||
|
||
class BQNLexer(RegexLexer):
|
||
"""
|
||
A simple BQN lexer.
|
||
|
||
.. versionadded:: 2.16
|
||
"""
|
||
name = 'BQN'
|
||
url = 'https://mlochbaum.github.io/BQN/index.html'
|
||
aliases = ['bqn']
|
||
filenames = ['*.bqn']
|
||
mimetypes = []
|
||
|
||
tokens = {
|
||
'root': [
|
||
# Whitespace
|
||
# ==========
|
||
(r'\s+', Whitespace),
|
||
#
|
||
# Comment
|
||
# =======
|
||
# '#' is a comment that continues to the end of the line
|
||
(r'#.*$', Comment.Single),
|
||
#
|
||
# Strings
|
||
# =======
|
||
(r'\'((\'\')|[^\'])*\'', String.Single),
|
||
(r'"(("")|[^"])*"', String.Double),
|
||
#
|
||
# Null Character
|
||
# ==============
|
||
# Literal representation of the null character
|
||
(r'@', String.Symbol),
|
||
#
|
||
# Punctuation
|
||
# ===========
|
||
# This token type is used for diamond, commas
|
||
# and array and list brackets and strand syntax
|
||
(r'[\.⋄,\[\]⟨⟩‿]', Punctuation),
|
||
#
|
||
# Expression Grouping
|
||
# ===================
|
||
# Since this token type is important in BQN, it is not included in
|
||
# the punctuation token type but rather in the following one
|
||
(r'[\(\)]', String.Regex),
|
||
#
|
||
# Numbers
|
||
# =======
|
||
# Includes the numeric literals and the Nothing character
|
||
(r'¯?([0-9]+\.?[0-9]+|[0-9]+)([Ee][¯]?[0-9]+)?|¯|∞|π|·', Number),
|
||
#
|
||
# Variables
|
||
# =========
|
||
(r'\b[a-z]\w*\b', Name.Variable),
|
||
#
|
||
# 1-Modifiers
|
||
# ===========
|
||
(r'[˙˜˘¨⌜⁼´˝`𝕣]', Name.Attribute),
|
||
(r'\b_[a-zA-Z0-9]+\b', Name.Attribute),
|
||
#
|
||
# 2-Modifiers
|
||
# ===========
|
||
(r'[∘○⊸⟜⌾⊘◶⎉⚇⍟⎊]', Name.Property),
|
||
(r'\b_[a-zA-Z0-9]+_\b', Name.Property),
|
||
#
|
||
# Functions
|
||
# =========
|
||
# The monadic or dyadic function primitives and function
|
||
# operands and arguments, along with function self-reference
|
||
(r'[+\-×÷\*√⌊⌈∧∨¬|≤<>≥=≠≡≢⊣⊢⥊∾≍⋈↑↓↕«»⌽⍉/⍋⍒⊏⊑⊐⊒∊⍷⊔!𝕎𝕏𝔽𝔾𝕊]',
|
||
Operator),
|
||
(r'[A-Z]\w*|•\w+\b', Operator),
|
||
#
|
||
# Constant
|
||
# ========
|
||
(r'˙', Name.Constant),
|
||
#
|
||
# Define/Export/Change
|
||
# ====================
|
||
(r'[←↩⇐]', Keyword.Declaration),
|
||
#
|
||
# Blocks
|
||
# ======
|
||
(r'[{}]', Keyword.Type),
|
||
#
|
||
# Extra characters
|
||
# ================
|
||
(r'[;:?𝕨𝕩𝕗𝕘𝕤]', Name.Entity),
|
||
#
|
||
|
||
],
|
||
}
|
||
|
||
|