1"""
2 pygments.lexers.ambient
3 ~~~~~~~~~~~~~~~~~~~~~~~
4
5 Lexers for AmbientTalk language.
6
7 :copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
8 :license: BSD, see LICENSE for details.
9"""
10
11import re
12
13from pygments.lexer import RegexLexer, include, words, bygroups
14from pygments.token import Comment, Operator, Keyword, Name, String, \
15 Number, Punctuation, Whitespace
16
17__all__ = ['AmbientTalkLexer']
18
19
20class AmbientTalkLexer(RegexLexer):
21 """
22 Lexer for AmbientTalk source code.
23 """
24 name = 'AmbientTalk'
25 url = 'https://code.google.com/p/ambienttalk'
26 filenames = ['*.at']
27 aliases = ['ambienttalk', 'ambienttalk/2', 'at']
28 mimetypes = ['text/x-ambienttalk']
29 version_added = '2.0'
30
31 flags = re.MULTILINE | re.DOTALL
32
33 builtin = words(('if:', 'then:', 'else:', 'when:', 'whenever:', 'discovered:',
34 'disconnected:', 'reconnected:', 'takenOffline:', 'becomes:',
35 'export:', 'as:', 'object:', 'actor:', 'mirror:', 'taggedAs:',
36 'mirroredBy:', 'is:'))
37 tokens = {
38 'root': [
39 (r'\s+', Whitespace),
40 (r'//.*?\n', Comment.Single),
41 (r'/\*.*?\*/', Comment.Multiline),
42 (r'(def|deftype|import|alias|exclude)\b', Keyword),
43 (builtin, Name.Builtin),
44 (r'(true|false|nil)\b', Keyword.Constant),
45 (r'(~|lobby|jlobby|/)\.', Keyword.Constant, 'namespace'),
46 (r'"(\\\\|\\[^\\]|[^"\\])*"', String),
47 (r'\|', Punctuation, 'arglist'),
48 (r'<:|[*^!%&<>+=,./?-]|:=', Operator),
49 (r"`[a-zA-Z_]\w*", String.Symbol),
50 (r"[a-zA-Z_]\w*:", Name.Function),
51 (r"[{}()\[\];`]", Punctuation),
52 (r'(self|super)\b', Name.Variable.Instance),
53 (r"[a-zA-Z_]\w*", Name.Variable),
54 (r"@[a-zA-Z_]\w*", Name.Class),
55 (r"@\[", Name.Class, 'annotations'),
56 include('numbers'),
57 ],
58 'numbers': [
59 (r'(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?', Number.Float),
60 (r'\d+', Number.Integer)
61 ],
62 'namespace': [
63 (r'[a-zA-Z_]\w*\.', Name.Namespace),
64 (r'[a-zA-Z_]\w*:', Name.Function, '#pop'),
65 (r'[a-zA-Z_]\w*(?!\.)', Name.Function, '#pop')
66 ],
67 'annotations': [
68 (r"(.*?)\]", Name.Class, '#pop')
69 ],
70 'arglist': [
71 (r'\|', Punctuation, '#pop'),
72 (r'(\s*)(,)(\s*)', bygroups(Whitespace, Punctuation, Whitespace)),
73 (r'[a-zA-Z_]\w*', Name.Variable),
74 ],
75 }