Subject: bug#62416: 30.0.50; Symbols skipped in the navigation in ruby-ts-mode

From: Juri Linkov <[email-masked]>
Date: Mon, 03 Apr 2023 19:03:34 +0300

>> Looking at test/lisp/progmodes/ruby-mode-resources/ruby.rb
>> for example here curly brackets are not matched with 'C-M-f C-M-b'
>> in string interpolation and regexps:
>>    "abc/#{ddf}ghi"
>>    /foo/xi != %r{bar}mo.tee
>> Do you think it is possible to handle these cases
>> by crafting treesit-sexp-type-regexp?
>
> I don't think so. tree-sitter parse tree has no information about these
> parens or their positions.

Actually, it has information about string interpolation,
so adding "interpolation" to 'treesit-sexp-type-regexp'
allows to navigate "#{ddf}" in "abc/#{ddf}ghi".

But other paired characters in strings have no parsed information
and need examining the text in the buffer indeed.