bug#67709: 29.1.50; [patch] missing indent rule for parameter list in csharp-ts-mode

[Theodor Thornhill via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

Eli Zaretskii <eliz@gnu.org> writes:

> Ping!  Theo, could you please look into this?
>

Absolutely, thanks!

Theo

>> Cc: 67709@debbugs.gnu.org
>> Date: Sat, 16 Dec 2023 13:39:58 +0200
>> From: Eli Zaretskii <eliz@gnu.org>
>> 
>> > From: Jacob Leeming <jacobtophatleeming@gmail.com>
>> > Date: Fri, 8 Dec 2023 13:44:14 +0000
>> > 
>> > >From emacs -Q:
>> > 
>> > Evaluate this elisp to set up treesitter for csharp:
>> > 
>> > (setq treesit-language-source-alist '((c-sharp
>> > "https://github.com/tree-sitter/tree-sitter-c-sharp" "master" "src"))
>> >       treesit-load-name-override-list '((c-sharp
>> > "libtree-sitter-csharp" "tree_sitter_c_sharp"))
>> >       major-mode-remap-alist '((csharp-mode . csharp-ts-mode)))
>> > 
>> > Insert the following text into a csharp-ts-mode buffer:
>> > 
>> > void ExampleFunction(
>> >     int arg1,
>> >   int arg2,
>> >  int arg3,
>> > int arg4,
>> >     int arg5
>> > )
>> > {
>> >     Console.WriteLine(arg1);
>> > }
>> > 
>> > Try to indent the parameters of the function with
>> > indent-for-tab-command. Nothing will happen.
>> > 
>> > This issue can be fixed with the following patch:
>> > 
>> > 
>> > 
>> > diff --git a/lisp/progmodes/csharp-mode.el b/lisp/progmodes/csharp-mode.el
>> > index 53c52e6..8cc4e95 100644
>> > --- a/lisp/progmodes/csharp-mode.el
>> > +++ b/lisp/progmodes/csharp-mode.el
>> > @@ -704,7 +704,8 @@ csharp-ts-mode--indent-rules
>> >       ((parent-is "object_type") parent-bol csharp-ts-mode-indent-offset)
>> >       ((parent-is "enum_body") parent-bol csharp-ts-mode-indent-offset)
>> >       ((parent-is "arrow_function") parent-bol csharp-ts-mode-indent-offset)
>> > -     ((parent-is "parenthesized_expression") parent-bol
>> > csharp-ts-mode-indent-offset))))
>> > +     ((parent-is "parenthesized_expression") parent-bol
>> > csharp-ts-mode-indent-offset)
>> > +     ((parent-is "parameter_list") parent-bol csharp-ts-mode-indent-offset))))
>> > 
>> >  (defvar csharp-ts-mode--keywords
>> >    '("using" "namespace" "class" "if" "else" "throw" "new" "for"
>> 
>> Theo, any comments?  Should I install this?
>> 
>> Thanks.
>> 
>> 
>> 
>>