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"""
pygments.lexers.ambient
~~~~~~~~~~~~~~~~~~~~~~~
Lexers for AmbientTalk language.
:copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
from pygments.lexer import RegexLexer, include, words, bygroups
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation, Whitespace
__all__ = ['AmbientTalkLexer']
class AmbientTalkLexer(RegexLexer):
"""
Lexer for `AmbientTalk <https://code.google.com/p/ambienttalk>`_ source code.
.. versionadded:: 2.0
"""
name = 'AmbientTalk'
filenames = ['*.at']
aliases = ['ambienttalk', 'ambienttalk/2', 'at']
mimetypes = ['text/x-ambienttalk']
flags = re.MULTILINE | re.DOTALL
builtin = words(('if:', 'then:', 'else:', 'when:', 'whenever:', 'discovered:',
'disconnected:', 'reconnected:', 'takenOffline:', 'becomes:',
'export:', 'as:', 'object:', 'actor:', 'mirror:', 'taggedAs:',
'mirroredBy:', 'is:'))
tokens = {
'root': [
(r'\s+', Whitespace),
(r'//.*?\n', Comment.Single),
(r'/\*.*?\*/', Comment.Multiline),
(r'(def|deftype|import|alias|exclude)\b', Keyword),
(builtin, Name.Builtin),
(r'(true|false|nil)\b', Keyword.Constant),
(r'(~|lobby|jlobby|/)\.', Keyword.Constant, 'namespace'),
(r'"(\\\\|\\[^\\]|[^"\\])*"', String),
(r'\|', Punctuation, 'arglist'),
(r'<:|[*^!%&<>+=,./?-]|:=', Operator),
(r"`[a-zA-Z_]\w*", String.Symbol),
(r"[a-zA-Z_]\w*:", Name.Function),
(r"[{}()\[\];`]", Punctuation),
(r'(self|super)\b', Name.Variable.Instance),
(r"[a-zA-Z_]\w*", Name.Variable),
(r"@[a-zA-Z_]\w*", Name.Class),
(r"@\[", Name.Class, 'annotations'),
include('numbers'),
],
'numbers': [
(r'(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?', Number.Float),
(r'\d+', Number.Integer)
],
'namespace': [
(r'[a-zA-Z_]\w*\.', Name.Namespace),
(r'[a-zA-Z_]\w*:', Name.Function, '#pop'),
(r'[a-zA-Z_]\w*(?!\.)', Name.Function, '#pop')
],
'annotations': [
(r"(.*?)\]", Name.Class, '#pop')
],
'arglist': [
(r'\|', Punctuation, '#pop'),
(r'(\s*)(,)(\s*)', bygroups(Whitespace, Punctuation, Whitespace)),
(r'[a-zA-Z_]\w*', Name.Variable),
],
}
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