1"""
2 pygments.lexers.pointless
3 ~~~~~~~~~~~~~~~~~~~~~~~~~
4
5 Lexers for Pointless.
6
7 :copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
8 :license: BSD, see LICENSE for details.
9"""
10
11from pygments.lexer import RegexLexer, words
12from pygments.token import Comment, Error, Keyword, Name, Number, Operator, \
13 Punctuation, String, Text
14
15__all__ = ['PointlessLexer']
16
17
18class PointlessLexer(RegexLexer):
19 """
20 For Pointless source code.
21 """
22
23 name = 'Pointless'
24 url = 'https://ptls.dev'
25 aliases = ['pointless']
26 filenames = ['*.ptls']
27 version_added = '2.7'
28
29 ops = words([
30 "+", "-", "*", "/", "**", "%", "+=", "-=", "*=",
31 "/=", "**=", "%=", "|>", "=", "==", "!=", "<", ">",
32 "<=", ">=", "=>", "$", "++",
33 ])
34
35 keywords = words([
36 "if", "then", "else", "where", "with", "cond",
37 "case", "and", "or", "not", "in", "as", "for",
38 "requires", "throw", "try", "catch", "when",
39 "yield", "upval",
40 ], suffix=r'\b')
41
42 tokens = {
43 'root': [
44 (r'[ \n\r]+', Text),
45 (r'--.*$', Comment.Single),
46 (r'"""', String, 'multiString'),
47 (r'"', String, 'string'),
48 (r'[\[\](){}:;,.]', Punctuation),
49 (ops, Operator),
50 (keywords, Keyword),
51 (r'\d+|\d*\.\d+', Number),
52 (r'(true|false)\b', Name.Builtin),
53 (r'[A-Z][a-zA-Z0-9]*\b', String.Symbol),
54 (r'output\b', Name.Variable.Magic),
55 (r'(export|import)\b', Keyword.Namespace),
56 (r'[a-z][a-zA-Z0-9]*\b', Name.Variable)
57 ],
58 'multiString': [
59 (r'\\.', String.Escape),
60 (r'"""', String, '#pop'),
61 (r'"', String),
62 (r'[^\\"]+', String),
63 ],
64 'string': [
65 (r'\\.', String.Escape),
66 (r'"', String, '#pop'),
67 (r'\n', Error),
68 (r'[^\\"]+', String),
69 ],
70 }