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bug#59637: 29.0.50; Should treesit-range-settings support the possibilit
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From: |
Stefan Kangas |
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Subject: |
bug#59637: 29.0.50; Should treesit-range-settings support the possibility of separate parser for each region? |
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Date: |
Sun, 27 Nov 2022 09:28:56 -0800 |
miha--- via "Bug reports for GNU Emacs, the Swiss army knife of text
editors" <bug-gnu-emacs@gnu.org> writes:
> As far as I understand, the current behaviour of
> treesit-parser-set-included-ranges is that the concatenation of text
> from different regions in the same range set is considered as one
> program. This means that for this html program
>
> <html>
> <script>
> /* comment start
> </script>
> <script>
> alert('hello');
> </script>
> </html>
>
> treesitter would consider "alert('hello');" to be inside a comment and
> the second script tag would contain an error about missing comment
> end.
>
> However, testing this in Firefox, it seems that the first script tag is
> the erroneous one here and the alert function call isn't inside a
> comment. So I guess the correct way to parse this html document would be
> to have two instances of javascript parser, one for each region. On the
> other hand, we should consider if this is worth the added complexity and
> performance degradation.
>
> Thanks and best regards.
Copying in Yuan Fu.