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"""
pygments.lexers.arturo
~~~~~~~~~~~~~~~~~~~~~~
Lexer for the Arturo language.
:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pygments.lexer import RegexLexer, bygroups, do_insertions, include, \
this, using, words
from pygments.token import Comment, Error, Keyword, Name, Number, Operator, \
Punctuation, String, Text
from pygments.util import ClassNotFound, get_bool_opt
__all__ = ['ArturoLexer']
class ArturoLexer(RegexLexer):
"""
For Arturo source code.
See `Arturo's Github <https://github.com/arturo-lang/arturo>`_
and `Arturo's Website <https://arturo-lang.io/>`_.
"""
name = 'Arturo'
aliases = ['arturo', 'art']
filenames = ['*.art']
url = 'https://arturo-lang.io/'
version_added = '2.14'
def __init__(self, **options):
self.handle_annotateds = get_bool_opt(options, 'handle_annotateds',
True)
RegexLexer.__init__(self, **options)
def handle_annotated_strings(self, match):
"""Adds syntax from another languages inside annotated strings
match args:
1:open_string,
2:exclamation_mark,
3:lang_name,
4:space_or_newline,
5:code,
6:close_string
"""
from pygments.lexers import get_lexer_by_name
# Header's section
yield match.start(1), String.Double, match.group(1)
yield match.start(2), String.Interpol, match.group(2)
yield match.start(3), String.Interpol, match.group(3)
yield match.start(4), Text.Whitespace, match.group(4)
lexer = None
if self.handle_annotateds:
try:
lexer = get_lexer_by_name(match.group(3).strip())
except ClassNotFound:
pass
code = match.group(5)
if lexer is None:
yield match.group(5), String, code
else:
yield from do_insertions([], lexer.get_tokens_unprocessed(code))
yield match.start(6), String.Double, match.group(6)
tokens = {
'root': [
(r';.*?$', Comment.Single),
(r'^((\s#!)|(#!)).*?$', Comment.Hashbang),
# Constants
(words(('false', 'true', 'maybe'), # boolean
suffix=r'\b'), Name.Constant),
(words(('this', 'init'), # class related keywords
prefix=r'\b', suffix=r'\b\??:?'), Name.Builtin.Pseudo),
(r'`.`', String.Char), # character
(r'\\\w+\b\??:?', Name.Property), # array index
(r'#\w+', Name.Constant), # color
(r'\b[0-9]+\.[0-9]+', Number.Float), # float
(r'\b[0-9]+', Number.Integer), # integer
(r'\w+\b\??:', Name.Label), # label
# Note: Literals can be labeled too
(r'\'(?:\w+\b\??:?)', Keyword.Declaration), # literal
(r'\:\w+', Keyword.Type), # type
# Note: Attributes can be labeled too
(r'\.\w+\??:?', Name.Attribute), # attributes
# Switch structure
(r'(\()(.*?)(\)\?)',
bygroups(Punctuation, using(this), Punctuation)),
# Single Line Strings
(r'"', String.Double, 'inside-simple-string'),
(r'»', String.Single, 'inside-smart-string'),
(r'«««', String.Double, 'inside-safe-string'),
(r'\{\/', String.Single, 'inside-regex-string'),
# Multi Line Strings
(r'\{\:', String.Double, 'inside-curly-verb-string'),
(r'(\{)(\!)(\w+)(\s|\n)([\w\W]*?)(^\})', handle_annotated_strings),
(r'\{', String.Single, 'inside-curly-string'),
(r'\-{3,}', String.Single, 'inside-eof-string'),
include('builtin-functions'),
# Operators
(r'[()[\],]', Punctuation),
(words(('->', '==>', '|', '::', '@', '#', # sugar syntax
'$', '&', '!', '!!', './')), Name.Decorator),
(words(('<:', ':>', ':<', '>:', '<\\', '<>', '<', '>',
'ø', '∞',
'+', '-', '*', '~', '=', '^', '%', '/', '//',
'==>', '<=>', '<==>',
'=>>', '<<=>>', '<<==>>',
'-->', '<->', '<-->',
'=|', '|=', '-:', ':-',
'_', '.', '..', '\\')), Operator),
(r'\b\w+', Name),
(r'\s+', Text.Whitespace),
(r'.+$', Error),
],
'inside-interpol': [
(r'\|', String.Interpol, '#pop'),
(r'[^|]+', using(this)),
],
'inside-template': [
(r'\|\|\>', String.Interpol, '#pop'),
(r'[^|]+', using(this)),
],
'string-escape': [
(words(('\\\\', '\\n', '\\t', '\\"')), String.Escape),
],
'inside-simple-string': [
include('string-escape'),
(r'\|', String.Interpol, 'inside-interpol'), # Interpolation
(r'\<\|\|', String.Interpol, 'inside-template'), # Templates
(r'"', String.Double, '#pop'), # Closing Quote
(r'[^|"]+', String) # String Content
],
'inside-smart-string': [
include('string-escape'),
(r'\|', String.Interpol, 'inside-interpol'), # Interpolation
(r'\<\|\|', String.Interpol, 'inside-template'), # Templates
(r'\n', String.Single, '#pop'), # Closing Quote
(r'[^|\n]+', String) # String Content
],
'inside-safe-string': [
include('string-escape'),
(r'\|', String.Interpol, 'inside-interpol'), # Interpolation
(r'\<\|\|', String.Interpol, 'inside-template'), # Templates
(r'»»»', String.Double, '#pop'), # Closing Quote
(r'[^|»]+', String) # String Content
],
'inside-regex-string': [
(r'\\[sSwWdDbBZApPxucItnvfr0]+', String.Escape),
(r'\|', String.Interpol, 'inside-interpol'), # Interpolation
(r'\<\|\|', String.Interpol, 'inside-template'), # Templates
(r'\/\}', String.Single, '#pop'), # Closing Quote
(r'[^|\/]+', String.Regex), # String Content
],
'inside-curly-verb-string': [
include('string-escape'),
(r'\|', String.Interpol, 'inside-interpol'), # Interpolation
(r'\<\|\|', String.Interpol, 'inside-template'), # Templates
(r'\:\}', String.Double, '#pop'), # Closing Quote
(r'[^|<:]+', String), # String Content
],
'inside-curly-string': [
include('string-escape'),
(r'\|', String.Interpol, 'inside-interpol'), # Interpolation
(r'\<\|\|', String.Interpol, 'inside-template'), # Templates
(r'\}', String.Single, '#pop'), # Closing Quote
(r'[^|<}]+', String), # String Content
],
'inside-eof-string': [
include('string-escape'),
(r'\|', String.Interpol, 'inside-interpol'), # Interpolation
(r'\<\|\|', String.Interpol, 'inside-template'), # Templates
(r'\Z', String.Single, '#pop'), # Closing Quote
(r'[^|<]+', String), # String Content
],
'builtin-functions': [
(words((
'all', 'and', 'any', 'ascii', 'attr', 'attribute',
'attributeLabel', 'binary', 'block' 'char', 'contains',
'database', 'date', 'dictionary', 'empty', 'equal', 'even',
'every', 'exists', 'false', 'floatin', 'function', 'greater',
'greaterOrEqual', 'if', 'in', 'inline', 'integer', 'is',
'key', 'label', 'leap', 'less', 'lessOrEqual', 'literal',
'logical', 'lower', 'nand', 'negative', 'nor', 'not',
'notEqual', 'null', 'numeric', 'odd', 'or', 'path',
'pathLabel', 'positive', 'prefix', 'prime', 'set', 'some',
'sorted', 'standalone', 'string', 'subset', 'suffix',
'superset', 'ymbol', 'true', 'try', 'type', 'unless', 'upper',
'when', 'whitespace', 'word', 'xnor', 'xor', 'zero',
), prefix=r'\b', suffix=r'\b\?'), Name.Builtin),
(words((
'abs', 'acos', 'acosh', 'acsec', 'acsech', 'actan', 'actanh',
'add', 'after', 'alphabet', 'and', 'angle', 'append', 'arg',
'args', 'arity', 'array', 'as', 'asec', 'asech', 'asin',
'asinh', 'atan', 'atan2', 'atanh', 'attr', 'attrs', 'average',
'before', 'benchmark', 'blend', 'break', 'builtins1',
'builtins2', 'call', 'capitalize', 'case', 'ceil', 'chop',
'chunk', 'clear', 'close', 'cluster', 'color', 'combine',
'conj', 'continue', 'copy', 'cos', 'cosh', 'couple', 'csec',
'csech', 'ctan', 'ctanh', 'cursor', 'darken', 'dec', 'decode',
'decouple', 'define', 'delete', 'desaturate', 'deviation',
'dictionary', 'difference', 'digest', 'digits', 'div', 'do',
'download', 'drop', 'dup', 'e', 'else', 'empty', 'encode',
'ensure', 'env', 'epsilon', 'escape', 'execute', 'exit', 'exp',
'extend', 'extract', 'factors', 'false', 'fdiv', 'filter',
'first', 'flatten', 'floor', 'fold', 'from', 'function',
'gamma', 'gcd', 'get', 'goto', 'hash', 'help', 'hypot', 'if',
'in', 'inc', 'indent', 'index', 'infinity', 'info', 'input',
'insert', 'inspect', 'intersection', 'invert', 'join', 'keys',
'kurtosis', 'last', 'let', 'levenshtein', 'lighten', 'list',
'ln', 'log', 'loop', 'lower', 'mail', 'map', 'match', 'max',
'maybe', 'median', 'min', 'mod', 'module', 'mul', 'nand',
'neg', 'new', 'nor', 'normalize', 'not', 'now', 'null', 'open',
'or', 'outdent', 'pad', 'panic', 'path', 'pause',
'permissions', 'permutate', 'pi', 'pop', 'pow', 'powerset',
'powmod', 'prefix', 'print', 'prints', 'process', 'product',
'query', 'random', 'range', 'read', 'relative', 'remove',
'rename', 'render', 'repeat', 'replace', 'request', 'return',
'reverse', 'round', 'sample', 'saturate', 'script', 'sec',
'sech', 'select', 'serve', 'set', 'shl', 'shr', 'shuffle',
'sin', 'sinh', 'size', 'skewness', 'slice', 'sort', 'split',
'sqrt', 'squeeze', 'stack', 'strip', 'sub', 'suffix', 'sum',
'switch', 'symbols', 'symlink', 'sys', 'take', 'tan', 'tanh',
'terminal', 'to', 'true', 'truncate', 'try', 'type', 'union',
'unique', 'unless', 'until', 'unzip', 'upper', 'values', 'var',
'variance', 'volume', 'webview', 'while', 'with', 'wordwrap',
'write', 'xnor', 'xor', 'zip'
), prefix=r'\b', suffix=r'\b'), Name.Builtin)
],
}
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