GNU bug report logs - #62086
29.0.60; ruby-ts-mode regressions

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Juri Linkov <juri <at> linkov.net>
Cc: 62086 <at> debbugs.gnu.org, Yuan Fu <casouri <at> gmail.com>, Theodor Thornhill <theo <at> thornhill.no>
Subject: bug#62086: 29.0.60; ruby-ts-mode regressions
Date: Wed, 12 Apr 2023 02:30:19 +0300

On 11/04/2023 19:53, Juri Linkov wrote:
> I don't know if opening a new bug report is needed.
> Actually I'm doing the same thing for more ts-modes -
> trying to find a set of node names that match parens/brackets.
> So maybe this patch makes sense too:

These look sensible to me.

I think we should give a chance to the authors to chime in, though.

> treesit-sexp-type-regexp.patch
> 
> diff --git a/lisp/progmodes/c-ts-mode.el b/lisp/progmodes/c-ts-mode.el
> index d773b4a41f4..e55d26177af 100644
> --- a/lisp/progmodes/c-ts-mode.el
> +++ b/lisp/progmodes/c-ts-mode.el
> @@ -927,7 +927,9 @@ c-ts-base-mode
>                               "qualifier"
>                               "type"
>                               "parameter"
> -                            "expression"
> +                            ;; "expression"
> +                            "argument_list"
> +                            "identifier"
>                               "literal"
>                               "string")))
>   
> diff --git a/lisp/progmodes/js.el b/lisp/progmodes/js.el
> index f68ecb6fa6c..3876a5b54f1 100644
> --- a/lisp/progmodes/js.el
> +++ b/lisp/progmodes/js.el
> @@ -3827,7 +3827,9 @@ js--treesit-sentence-nodes
>   "See `treesit-sentence-type-regexp' for more information.")
>   
>   (defvar js--treesit-sexp-nodes
> -  '("expression"
> +  '("expression" ;; SHOULD NOT MATCH "expression_statement", BUT SHOULD MATCH "parenthesized_expression"
> +    "parenthesized_expression"
> +    "formal_parameters"
>       "pattern"
>       "array"
>       "function"
> @@ -3845,7 +3847,13 @@ js--treesit-sexp-nodes
>       "undefined"
>       "arguments"
>       "pair"
> -    "jsx")
> +    "jsx"
> +    "statement_block"
> +    "object"
> +    "object_pattern"
> +    "named_imports"
> +    "class_body"
> +    )
>     "Nodes that designate sexps in JavaScript.
>   See `treesit-sexp-type-regexp' for more information.")
>   
> @@ -3893,7 +3901,7 @@ js-ts-mode
>                   (regexp-opt js--treesit-sentence-nodes))
>   
>       (setq-local treesit-sexp-type-regexp
> -                (regexp-opt js--treesit-sexp-nodes))
> +                (rx-to-string `(seq bol (or ,@js--treesit-sexp-nodes) eol)))
>   
>       ;; Fontification.
>       (setq-local treesit-font-lock-settings js--treesit-font-lock-settings)

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