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env/lib/python3.11/site-packages/pygments/lexers/slash.py
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183
env/lib/python3.11/site-packages/pygments/lexers/slash.py
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"""
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pygments.lexers.slash
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~~~~~~~~~~~~~~~~~~~~~
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Lexer for the Slash programming language.
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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 ExtendedRegexLexer, bygroups, DelegatingLexer
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from pygments.token import Name, Number, String, Comment, Punctuation, \
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Other, Keyword, Operator, Whitespace
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__all__ = ['SlashLexer']
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class SlashLanguageLexer(ExtendedRegexLexer):
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_nkw = r'(?=[^a-zA-Z_0-9])'
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def move_state(new_state):
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return ("#pop", new_state)
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def right_angle_bracket(lexer, match, ctx):
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if len(ctx.stack) > 1 and ctx.stack[-2] == "string":
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ctx.stack.pop()
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yield match.start(), String.Interpol, '}'
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ctx.pos = match.end()
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pass
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tokens = {
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"root": [
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(r"<%=", Comment.Preproc, move_state("slash")),
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(r"<%!!", Comment.Preproc, move_state("slash")),
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(r"<%#.*?%>", Comment.Multiline),
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(r"<%", Comment.Preproc, move_state("slash")),
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(r".|\n", Other),
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],
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"string": [
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(r"\\", String.Escape, move_state("string_e")),
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(r"\"", String, move_state("slash")),
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(r"#\{", String.Interpol, "slash"),
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(r'.|\n', String),
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],
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"string_e": [
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(r'n', String.Escape, move_state("string")),
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(r't', String.Escape, move_state("string")),
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(r'r', String.Escape, move_state("string")),
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(r'e', String.Escape, move_state("string")),
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(r'x[a-fA-F0-9]{2}', String.Escape, move_state("string")),
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(r'.', String.Escape, move_state("string")),
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],
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"regexp": [
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(r'}[a-z]*', String.Regex, move_state("slash")),
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(r'\\(.|\n)', String.Regex),
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(r'{', String.Regex, "regexp_r"),
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(r'.|\n', String.Regex),
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],
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"regexp_r": [
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(r'}[a-z]*', String.Regex, "#pop"),
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(r'\\(.|\n)', String.Regex),
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(r'{', String.Regex, "regexp_r"),
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],
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"slash": [
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(r"%>", Comment.Preproc, move_state("root")),
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(r"\"", String, move_state("string")),
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(r"'[a-zA-Z0-9_]+", String),
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(r'%r{', String.Regex, move_state("regexp")),
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(r'/\*.*?\*/', Comment.Multiline),
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(r"(#|//).*?\n", Comment.Single),
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(r'-?[0-9]+e[+-]?[0-9]+', Number.Float),
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(r'-?[0-9]+\.[0-9]+(e[+-]?[0-9]+)?', Number.Float),
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(r'-?[0-9]+', Number.Integer),
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(r'nil'+_nkw, Name.Builtin),
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(r'true'+_nkw, Name.Builtin),
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(r'false'+_nkw, Name.Builtin),
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(r'self'+_nkw, Name.Builtin),
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(r'(class)(\s+)([A-Z][a-zA-Z0-9_\']*)',
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bygroups(Keyword, Whitespace, Name.Class)),
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(r'class'+_nkw, Keyword),
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(r'extends'+_nkw, Keyword),
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(r'(def)(\s+)(self)(\s*)(\.)(\s*)([a-z_][a-zA-Z0-9_\']*=?|<<|>>|==|<=>|<=|<|>=|>|\+|-(self)?|~(self)?|\*|/|%|^|&&|&|\||\[\]=?)',
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bygroups(Keyword, Whitespace, Name.Builtin, Whitespace, Punctuation, Whitespace, Name.Function)),
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(r'(def)(\s+)([a-z_][a-zA-Z0-9_\']*=?|<<|>>|==|<=>|<=|<|>=|>|\+|-(self)?|~(self)?|\*|/|%|^|&&|&|\||\[\]=?)',
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bygroups(Keyword, Whitespace, Name.Function)),
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(r'def'+_nkw, Keyword),
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(r'if'+_nkw, Keyword),
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(r'elsif'+_nkw, Keyword),
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(r'else'+_nkw, Keyword),
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(r'unless'+_nkw, Keyword),
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(r'for'+_nkw, Keyword),
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(r'in'+_nkw, Keyword),
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(r'while'+_nkw, Keyword),
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(r'until'+_nkw, Keyword),
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(r'and'+_nkw, Keyword),
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(r'or'+_nkw, Keyword),
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(r'not'+_nkw, Keyword),
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(r'lambda'+_nkw, Keyword),
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(r'try'+_nkw, Keyword),
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(r'catch'+_nkw, Keyword),
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(r'return'+_nkw, Keyword),
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(r'next'+_nkw, Keyword),
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(r'last'+_nkw, Keyword),
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(r'throw'+_nkw, Keyword),
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(r'use'+_nkw, Keyword),
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(r'switch'+_nkw, Keyword),
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(r'\\', Keyword),
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(r'λ', Keyword),
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(r'__FILE__'+_nkw, Name.Builtin.Pseudo),
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(r'__LINE__'+_nkw, Name.Builtin.Pseudo),
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(r'[A-Z][a-zA-Z0-9_\']*'+_nkw, Name.Constant),
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(r'[a-z_][a-zA-Z0-9_\']*'+_nkw, Name),
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(r'@[a-z_][a-zA-Z0-9_\']*'+_nkw, Name.Variable.Instance),
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(r'@@[a-z_][a-zA-Z0-9_\']*'+_nkw, Name.Variable.Class),
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(r'\(', Punctuation),
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(r'\)', Punctuation),
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(r'\[', Punctuation),
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(r'\]', Punctuation),
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(r'\{', Punctuation),
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(r'\}', right_angle_bracket),
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(r';', Punctuation),
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(r',', Punctuation),
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(r'<<=', Operator),
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(r'>>=', Operator),
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(r'<<', Operator),
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(r'>>', Operator),
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(r'==', Operator),
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(r'!=', Operator),
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(r'=>', Operator),
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(r'=', Operator),
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(r'<=>', Operator),
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(r'<=', Operator),
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(r'>=', Operator),
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(r'<', Operator),
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(r'>', Operator),
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(r'\+\+', Operator),
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(r'\+=', Operator),
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(r'-=', Operator),
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(r'\*\*=', Operator),
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(r'\*=', Operator),
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(r'\*\*', Operator),
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(r'\*', Operator),
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(r'/=', Operator),
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(r'\+', Operator),
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(r'-', Operator),
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(r'/', Operator),
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(r'%=', Operator),
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(r'%', Operator),
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(r'^=', Operator),
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(r'&&=', Operator),
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(r'&=', Operator),
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(r'&&', Operator),
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(r'&', Operator),
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(r'\|\|=', Operator),
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(r'\|=', Operator),
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(r'\|\|', Operator),
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(r'\|', Operator),
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(r'!', Operator),
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(r'\.\.\.', Operator),
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(r'\.\.', Operator),
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(r'\.', Operator),
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(r'::', Operator),
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(r':', Operator),
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(r'(\s|\n)+', Whitespace),
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(r'[a-z_][a-zA-Z0-9_\']*', Name.Variable),
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],
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}
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class SlashLexer(DelegatingLexer):
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"""
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Lexer for the Slash programming language.
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"""
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name = 'Slash'
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aliases = ['slash']
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filenames = ['*.sla']
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url = 'https://github.com/arturadib/Slash-A'
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version_added = '2.4'
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def __init__(self, **options):
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from pygments.lexers.web import HtmlLexer
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super().__init__(HtmlLexer, SlashLanguageLexer, **options)
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