299 lines
9.7 KiB
Python
299 lines
9.7 KiB
Python
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"""
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pygments.lexers.algebra
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~~~~~~~~~~~~~~~~~~~~~~~
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Lexers for computer algebra systems.
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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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import re
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from pygments.lexer import Lexer, RegexLexer, bygroups, do_insertions, words
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation, Generic, Whitespace
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__all__ = ['GAPLexer', 'GAPConsoleLexer', 'MathematicaLexer', 'MuPADLexer',
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'BCLexer']
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class GAPLexer(RegexLexer):
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"""
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For GAP source code.
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"""
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name = 'GAP'
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url = 'https://www.gap-system.org'
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aliases = ['gap']
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filenames = ['*.g', '*.gd', '*.gi', '*.gap']
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version_added = '2.0'
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tokens = {
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'root': [
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(r'#.*$', Comment.Single),
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(r'"(?:[^"\\]|\\.)*"', String),
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(r'\(|\)|\[|\]|\{|\}', Punctuation),
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(r'''(?x)\b(?:
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if|then|elif|else|fi|
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for|while|do|od|
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repeat|until|
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break|continue|
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function|local|return|end|
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rec|
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quit|QUIT|
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IsBound|Unbind|
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TryNextMethod|
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Info|Assert
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)\b''', Keyword),
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(r'''(?x)\b(?:
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true|false|fail|infinity
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)\b''',
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Name.Constant),
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(r'''(?x)\b(?:
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(Declare|Install)([A-Z][A-Za-z]+)|
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BindGlobal|BIND_GLOBAL
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)\b''',
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Name.Builtin),
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(r'\.|,|:=|;|=|\+|-|\*|/|\^|>|<', Operator),
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(r'''(?x)\b(?:
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and|or|not|mod|in
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)\b''',
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Operator.Word),
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(r'''(?x)
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(?:\w+|`[^`]*`)
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(?:::\w+|`[^`]*`)*''', Name.Variable),
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(r'[0-9]+(?:\.[0-9]*)?(?:e[0-9]+)?', Number),
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(r'\.[0-9]+(?:e[0-9]+)?', Number),
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(r'.', Text)
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],
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}
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def analyse_text(text):
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score = 0.0
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# Declaration part
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if re.search(
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r"(InstallTrueMethod|Declare(Attribute|Category|Filter|Operation" +
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r"|GlobalFunction|Synonym|SynonymAttr|Property))", text
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):
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score += 0.7
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# Implementation part
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if re.search(
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r"(DeclareRepresentation|Install(GlobalFunction|Method|" +
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r"ImmediateMethod|OtherMethod)|New(Family|Type)|Objectify)", text
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):
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score += 0.7
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return min(score, 1.0)
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class GAPConsoleLexer(Lexer):
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"""
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For GAP console sessions. Modeled after JuliaConsoleLexer.
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"""
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name = 'GAP session'
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aliases = ['gap-console', 'gap-repl']
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filenames = ['*.tst']
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url = 'https://www.gap-system.org'
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version_added = '2.14'
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def get_tokens_unprocessed(self, text):
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gaplexer = GAPLexer(**self.options)
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start = 0
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curcode = ''
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insertions = []
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output = False
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error = False
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for line in text.splitlines(keepends=True):
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if line.startswith('gap> ') or line.startswith('brk> '):
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insertions.append((len(curcode), [(0, Generic.Prompt, line[:5])]))
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curcode += line[5:]
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output = False
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error = False
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elif not output and line.startswith('> '):
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insertions.append((len(curcode), [(0, Generic.Prompt, line[:2])]))
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curcode += line[2:]
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else:
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if curcode:
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yield from do_insertions(
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insertions, gaplexer.get_tokens_unprocessed(curcode))
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curcode = ''
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insertions = []
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if line.startswith('Error, ') or error:
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yield start, Generic.Error, line
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error = True
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else:
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yield start, Generic.Output, line
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output = True
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start += len(line)
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if curcode:
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yield from do_insertions(
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insertions, gaplexer.get_tokens_unprocessed(curcode))
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# the following is needed to distinguish Scilab and GAP .tst files
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def analyse_text(text):
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# GAP prompts are a dead give away, although hypothetical;y a
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# file in another language could be trying to compare a variable
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# "gap" as in "gap> 0.1". But that this should happen at the
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# start of a line seems unlikely...
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if re.search(r"^gap> ", text):
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return 0.9
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else:
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return 0.0
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class MathematicaLexer(RegexLexer):
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"""
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Lexer for Mathematica source code.
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"""
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name = 'Mathematica'
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url = 'http://www.wolfram.com/mathematica/'
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aliases = ['mathematica', 'mma', 'nb']
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filenames = ['*.nb', '*.cdf', '*.nbp', '*.ma']
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mimetypes = ['application/mathematica',
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'application/vnd.wolfram.mathematica',
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'application/vnd.wolfram.mathematica.package',
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'application/vnd.wolfram.cdf']
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version_added = '2.0'
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# http://reference.wolfram.com/mathematica/guide/Syntax.html
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operators = (
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";;", "=", "=.", "!=" "==", ":=", "->", ":>", "/.", "+", "-", "*", "/",
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"^", "&&", "||", "!", "<>", "|", "/;", "?", "@", "//", "/@", "@@",
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"@@@", "~~", "===", "&", "<", ">", "<=", ">=",
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)
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punctuation = (",", ";", "(", ")", "[", "]", "{", "}")
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def _multi_escape(entries):
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return '({})'.format('|'.join(re.escape(entry) for entry in entries))
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tokens = {
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'root': [
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(r'(?s)\(\*.*?\*\)', Comment),
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(r'([a-zA-Z]+[A-Za-z0-9]*`)', Name.Namespace),
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(r'([A-Za-z0-9]*_+[A-Za-z0-9]*)', Name.Variable),
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(r'#\d*', Name.Variable),
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(r'([a-zA-Z]+[a-zA-Z0-9]*)', Name),
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(r'-?\d+\.\d*', Number.Float),
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(r'-?\d*\.\d+', Number.Float),
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(r'-?\d+', Number.Integer),
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(words(operators), Operator),
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(words(punctuation), Punctuation),
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(r'".*?"', String),
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(r'\s+', Text.Whitespace),
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],
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}
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class MuPADLexer(RegexLexer):
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"""
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A MuPAD lexer.
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Contributed by Christopher Creutzig <christopher@creutzig.de>.
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"""
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name = 'MuPAD'
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url = 'http://www.mupad.com'
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aliases = ['mupad']
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filenames = ['*.mu']
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version_added = '0.8'
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tokens = {
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'root': [
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(r'//.*?$', Comment.Single),
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(r'/\*', Comment.Multiline, 'comment'),
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(r'"(?:[^"\\]|\\.)*"', String),
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(r'\(|\)|\[|\]|\{|\}', Punctuation),
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(r'''(?x)\b(?:
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next|break|end|
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axiom|end_axiom|category|end_category|domain|end_domain|inherits|
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if|%if|then|elif|else|end_if|
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case|of|do|otherwise|end_case|
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while|end_while|
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repeat|until|end_repeat|
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for|from|to|downto|step|end_for|
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proc|local|option|save|begin|end_proc|
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delete|frame
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)\b''', Keyword),
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(r'''(?x)\b(?:
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DOM_ARRAY|DOM_BOOL|DOM_COMPLEX|DOM_DOMAIN|DOM_EXEC|DOM_EXPR|
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DOM_FAIL|DOM_FLOAT|DOM_FRAME|DOM_FUNC_ENV|DOM_HFARRAY|DOM_IDENT|
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DOM_INT|DOM_INTERVAL|DOM_LIST|DOM_NIL|DOM_NULL|DOM_POLY|DOM_PROC|
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DOM_PROC_ENV|DOM_RAT|DOM_SET|DOM_STRING|DOM_TABLE|DOM_VAR
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)\b''', Name.Class),
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(r'''(?x)\b(?:
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PI|EULER|E|CATALAN|
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NIL|FAIL|undefined|infinity|
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TRUE|FALSE|UNKNOWN
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)\b''',
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Name.Constant),
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(r'\b(?:dom|procname)\b', Name.Builtin.Pseudo),
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(r'\.|,|:|;|=|\+|-|\*|/|\^|@|>|<|\$|\||!|\'|%|~=', Operator),
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(r'''(?x)\b(?:
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and|or|not|xor|
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assuming|
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div|mod|
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union|minus|intersect|in|subset
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)\b''',
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Operator.Word),
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(r'\b(?:I|RDN_INF|RD_NINF|RD_NAN)\b', Number),
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# (r'\b(?:adt|linalg|newDomain|hold)\b', Name.Builtin),
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(r'''(?x)
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((?:[a-zA-Z_#][\w#]*|`[^`]*`)
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(?:::[a-zA-Z_#][\w#]*|`[^`]*`)*)(\s*)([(])''',
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bygroups(Name.Function, Text, Punctuation)),
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(r'''(?x)
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(?:[a-zA-Z_#][\w#]*|`[^`]*`)
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(?:::[a-zA-Z_#][\w#]*|`[^`]*`)*''', Name.Variable),
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(r'[0-9]+(?:\.[0-9]*)?(?:e[0-9]+)?', Number),
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(r'\.[0-9]+(?:e[0-9]+)?', Number),
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(r'\s+', Whitespace),
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(r'.', Text)
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],
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'comment': [
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(r'[^/*]+', Comment.Multiline),
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(r'/\*', Comment.Multiline, '#push'),
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(r'\*/', Comment.Multiline, '#pop'),
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(r'[*/]', Comment.Multiline)
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],
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}
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class BCLexer(RegexLexer):
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"""
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A BC lexer.
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"""
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name = 'BC'
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url = 'https://www.gnu.org/software/bc/'
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aliases = ['bc']
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filenames = ['*.bc']
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version_added = '2.1'
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tokens = {
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'root': [
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(r'/\*', Comment.Multiline, 'comment'),
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(r'"(?:[^"\\]|\\.)*"', String),
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(r'[{}();,]', Punctuation),
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(words(('if', 'else', 'while', 'for', 'break', 'continue',
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'halt', 'return', 'define', 'auto', 'print', 'read',
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'length', 'scale', 'sqrt', 'limits', 'quit',
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'warranty'), suffix=r'\b'), Keyword),
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(r'\+\+|--|\|\||&&|'
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r'([-<>+*%\^/!=])=?', Operator),
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# bc doesn't support exponential
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(r'[0-9]+(\.[0-9]*)?', Number),
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(r'\.[0-9]+', Number),
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(r'.', Text)
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],
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'comment': [
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(r'[^*/]+', Comment.Multiline),
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(r'\*/', Comment.Multiline, '#pop'),
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(r'[*/]', Comment.Multiline)
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],
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}
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