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pygments2chroma: escape regex.words (#982)

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Discovered while building on top of
https://github.com/alecthomas/chroma/issues/877#issuecomment-1858982870
(by @miliog)

The pygments "regex.words" should be escaped, since they may contain
special regex chars (like `^` or `+`).
This commit is contained in:
oliverpool
2024-07-10 11:38:21 +02:00
committed by GitHub
parent 76772513ea
commit e06b52822a
1 changed files with 1 additions and 1 deletions
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2
_tools/pygments2chroma_xml.py
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@@ -128,7 +128,7 @@ def translate_rules(rules):
regex = xml_regex(regex)
elif isinstance(regex, pygments_lexer.words):
regex = xml_string('%s(%s)%s' % (regex.prefix,
'|'.join(w for w in regex.words),
'|'.join(re.escape(w) for w in regex.words),
regex.suffix))
else:
raise ValueError('expected regex string but got %r' % regex)