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* bug#72263: 31.0.50; Wrong indentation c++-ts-mode
       [not found] <87cyn3vequ.fsf.ref@aol.com>
@ 2024-07-24  0:02 ` Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
  2024-07-25  7:29   ` Eli Zaretskii
  0 siblings, 1 reply; 7+ messages in thread
From: Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2024-07-24  0:02 UTC (permalink / raw)
  To: 72263


Hi:

When using c++-ts-mode there is an indentation issue apparently related
with namespaces+templates.

c-ts-mode-indent-style 'linux (but with 'gnu also happens)

```
namespace A {

	T myfunction1(const char *fname)
	{
	}

	template <class T>
T myfunction2(const char *fname)
{
}

}
```

The myfunction2 may be indented as expected, but it is not.

The explorer shows:

```
(translation_unit
 (namespace_definition namespace name: (namespace_identifier)
  body: 
   (declaration_list {
    (function_definition type: (primitive_type)
     declarator: 
      (function_declarator declarator: (identifier)
       parameters: 
	(parameter_list (
	 (parameter_declaration
	  (type_qualifier const)
	  type: (primitive_type)
	  declarator: (pointer_declarator * declarator: (identifier)))
	 )))
     body: (compound_statement { }))
    (template_declaration template
     parameters: 
      (template_parameter_list <
       (type_parameter_declaration class (type_identifier))
       >)
     (function_definition type: (type_identifier)
      declarator: 
       (function_declarator declarator: (identifier)
	parameters: 
	 (parameter_list (
	  (parameter_declaration
	   (type_qualifier const)
	   type: (primitive_type)
	   declarator: (pointer_declarator * declarator: (identifier)))
	  )))
      body: (compound_statement { })))
    })))
```



In GNU Emacs 31.0.50 (build 15, x86_64-pc-linux-gnu, GTK+ Version
 3.24.43, cairo version 1.18.0) of 2024-07-21 built on RTX
Repository revision: cb0f25e4f966a53d52db5190d189ae85c7154d70
Repository branch: project
System Description: Arch Linux

Configured using:
 'configure --prefix=/home/ergo/.local/ --with-mailutils --with-pgtk
 --with-modules --with-cairo --with-harfbuzz
 --with-native-compilation=aot
 '--program-transform-name=s/^ctags$/ctags.emacs/''

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
LCMS2 LIBSYSTEMD LIBXML2 MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PGTK
PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS
TREE_SITTER WEBP XIM GTK3 ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: C++//

Minor modes in effect:
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  auto-compression-mode: t

Load-path shadows:
/mnt/casa/gits/emacs_clones/cuda-mode/cuda-mode hides /home/ergo/.config/emacs/elpa/cuda-mode-20240716.1936/cuda-mode
/mnt/casa/gits/emacs_clones/gtags-mode/gtags-mode hides /home/ergo/.config/emacs/elpa/gtags-mode-1.8/gtags-mode
/home/ergo/.config/emacs/elpa/transient-20240713.2102/transient hides /home/ergo/.local/share/emacs/31.0.50/lisp/transient

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Memory information:
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 (strings 32 123309 12843) (string-bytes 1 3961754) (vectors 16 67839)
 (vector-slots 8 774089 73975) (floats 8 1463 706)
 (intervals 56 9768 1998) (buffers 992 25))





^ permalink raw reply	[flat|nested] 7+ messages in thread

* bug#72263: 31.0.50; Wrong indentation c++-ts-mode
  2024-07-24  0:02 ` bug#72263: 31.0.50; Wrong indentation c++-ts-mode Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
@ 2024-07-25  7:29   ` Eli Zaretskii
  2024-07-25  7:53     ` Yuan Fu
  0 siblings, 1 reply; 7+ messages in thread
From: Eli Zaretskii @ 2024-07-25  7:29 UTC (permalink / raw)
  To: Ergus, Yuan Fu; +Cc: 72263

> Date: Wed, 24 Jul 2024 02:02:33 +0200
> From:  Ergus via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> When using c++-ts-mode there is an indentation issue apparently related
> with namespaces+templates.
> 
> c-ts-mode-indent-style 'linux (but with 'gnu also happens)
> 
> ```
> namespace A {
> 
> 	T myfunction1(const char *fname)
> 	{
> 	}
> 
> 	template <class T>
> T myfunction2(const char *fname)
> {
> }
> 
> }
> ```
> 
> The myfunction2 may be indented as expected, but it is not.
> 
> The explorer shows:
> 
> ```
> (translation_unit
>  (namespace_definition namespace name: (namespace_identifier)
>   body: 
>    (declaration_list {
>     (function_definition type: (primitive_type)
>      declarator: 
>       (function_declarator declarator: (identifier)
>        parameters: 
> 	(parameter_list (
> 	 (parameter_declaration
> 	  (type_qualifier const)
> 	  type: (primitive_type)
> 	  declarator: (pointer_declarator * declarator: (identifier)))
> 	 )))
>      body: (compound_statement { }))
>     (template_declaration template
>      parameters: 
>       (template_parameter_list <
>        (type_parameter_declaration class (type_identifier))
>        >)
>      (function_definition type: (type_identifier)
>       declarator: 
>        (function_declarator declarator: (identifier)
> 	parameters: 
> 	 (parameter_list (
> 	  (parameter_declaration
> 	   (type_qualifier const)
> 	   type: (primitive_type)
> 	   declarator: (pointer_declarator * declarator: (identifier)))
> 	  )))
>       body: (compound_statement { })))
>     })))
> ```

Yuan, can you take a look, please?





^ permalink raw reply	[flat|nested] 7+ messages in thread

* bug#72263: 31.0.50; Wrong indentation c++-ts-mode
  2024-07-25  7:29   ` Eli Zaretskii
@ 2024-07-25  7:53     ` Yuan Fu
  2024-07-31 21:09       ` Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
  0 siblings, 1 reply; 7+ messages in thread
From: Yuan Fu @ 2024-07-25  7:53 UTC (permalink / raw)
  To: Eli Zaretskii; +Cc: Ergus, 72263



> On Jul 25, 2024, at 12:29 AM, Eli Zaretskii <eliz@gnu.org> wrote:
> 
>> Date: Wed, 24 Jul 2024 02:02:33 +0200
>> From:  Ergus via "Bug reports for GNU Emacs,
>> the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>> 
>> When using c++-ts-mode there is an indentation issue apparently related
>> with namespaces+templates.
>> 
>> c-ts-mode-indent-style 'linux (but with 'gnu also happens)
>> 
>> ```
>> namespace A {
>> 
>> T myfunction1(const char *fname)
>> {
>> }
>> 
>> template <class T>
>> T myfunction2(const char *fname)
>> {
>> }
>> 
>> }
>> ```
>> 
>> The myfunction2 may be indented as expected, but it is not.
>> 
>> The explorer shows:
>> 
>> ```
>> (translation_unit
>> (namespace_definition namespace name: (namespace_identifier)
>>  body: 
>>   (declaration_list {
>>    (function_definition type: (primitive_type)
>>     declarator: 
>>      (function_declarator declarator: (identifier)
>>       parameters: 
>> (parameter_list (
>> (parameter_declaration
>>  (type_qualifier const)
>>  type: (primitive_type)
>>  declarator: (pointer_declarator * declarator: (identifier)))
>> )))
>>     body: (compound_statement { }))
>>    (template_declaration template
>>     parameters: 
>>      (template_parameter_list <
>>       (type_parameter_declaration class (type_identifier))
>>> )
>>     (function_definition type: (type_identifier)
>>      declarator: 
>>       (function_declarator declarator: (identifier)
>> parameters: 
>> (parameter_list (
>>  (parameter_declaration
>>   (type_qualifier const)
>>   type: (primitive_type)
>>   declarator: (pointer_declarator * declarator: (identifier)))
>>  )))
>>      body: (compound_statement { })))
>>    })))
>> ```
> 
> Yuan, can you take a look, please?

Yeah let me take a look.

Yuan




^ permalink raw reply	[flat|nested] 7+ messages in thread

* bug#72263: 31.0.50; Wrong indentation c++-ts-mode
  2024-07-25  7:53     ` Yuan Fu
@ 2024-07-31 21:09       ` Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
  2024-08-01  5:06         ` Eli Zaretskii
  0 siblings, 1 reply; 7+ messages in thread
From: Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2024-07-31 21:09 UTC (permalink / raw)
  To: Yuan Fu, Eli Zaretskii; +Cc: 72263

[-- Attachment #1: Type: text/plain, Size: 2731 bytes --]

Hi again Yuan:

I found another indentation issue in if-else conditions without
parenthesis:

if (pid == 0)
   print "hello from the child"
   else
   print "hello from the parent"


The else is not indented properly:

This is the explore output:

(translation_unit
 (if_statement if
  condition: 
   (parenthesized_expression (
    (binary_expression left: (identifier) operator: == right: (number_literal))
    ))
  consequence: 
   (expression_statement
    (concatenated_string (identifier)
     (string_literal " (string_content) ")
     (identifier) (identifier)
     (string_literal " (string_content) "))
    ;)))


Best,
Ergus


On July 25, 2024 9:53:16 AM GMT+02:00, Yuan Fu <casouri@gmail.com> wrote:
>
>
>> On Jul 25, 2024, at 12:29 AM, Eli Zaretskii <eliz@gnu.org> wrote:
>> 
>>> Date: Wed, 24 Jul 2024 02:02:33 +0200
>>> From:  Ergus via "Bug reports for GNU Emacs,
>>> the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>>> 
>>> When using c++-ts-mode there is an indentation issue apparently related
>>> with namespaces+templates.
>>> 
>>> c-ts-mode-indent-style 'linux (but with 'gnu also happens)
>>> 
>>> ```
>>> namespace A {
>>> 
>>> T myfunction1(const char *fname)
>>> {
>>> }
>>> 
>>> template <class T>
>>> T myfunction2(const char *fname)
>>> {
>>> }
>>> 
>>> }
>>> ```
>>> 
>>> The myfunction2 may be indented as expected, but it is not.
>>> 
>>> The explorer shows:
>>> 
>>> ```
>>> (translation_unit
>>> (namespace_definition namespace name: (namespace_identifier)
>>>  body: 
>>>   (declaration_list {
>>>    (function_definition type: (primitive_type)
>>>     declarator: 
>>>      (function_declarator declarator: (identifier)
>>>       parameters: 
>>> (parameter_list (
>>> (parameter_declaration
>>>  (type_qualifier const)
>>>  type: (primitive_type)
>>>  declarator: (pointer_declarator * declarator: (identifier)))
>>> )))
>>>     body: (compound_statement { }))
>>>    (template_declaration template
>>>     parameters: 
>>>      (template_parameter_list <
>>>       (type_parameter_declaration class (type_identifier))
>>>> )
>>>     (function_definition type: (type_identifier)
>>>      declarator: 
>>>       (function_declarator declarator: (identifier)
>>> parameters: 
>>> (parameter_list (
>>>  (parameter_declaration
>>>   (type_qualifier const)
>>>   type: (primitive_type)
>>>   declarator: (pointer_declarator * declarator: (identifier)))
>>>  )))
>>>      body: (compound_statement { })))
>>>    })))
>>> ```
>> 
>> Yuan, can you take a look, please?
>
>Yeah let me take a look.
>
>Yuan
-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.

[-- Attachment #2: Type: text/html, Size: 3624 bytes --]

^ permalink raw reply	[flat|nested] 7+ messages in thread

* bug#72263: 31.0.50; Wrong indentation c++-ts-mode
  2024-07-31 21:09       ` Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
@ 2024-08-01  5:06         ` Eli Zaretskii
  2024-08-01  7:03           ` Yuan Fu
  0 siblings, 1 reply; 7+ messages in thread
From: Eli Zaretskii @ 2024-08-01  5:06 UTC (permalink / raw)
  To: Ergus; +Cc: casouri, 72263

> Date: Wed, 31 Jul 2024 23:09:53 +0200
> From: Ergus <spacibba@aol.com>
> CC: 72263@debbugs.gnu.org
> 
> I found another indentation issue in if-else conditions without
> parenthesis:
> 
> if (pid == 0)
>    print "hello from the child"
>    else
>    print "hello from the parent"
> 
> The else is not indented properly:

The above is not valid C++ code, AFAIU, so I don't understand why you
expect c++-ts-mode to handle it properly (and what exactly is "proper"
indentation in that case?).





^ permalink raw reply	[flat|nested] 7+ messages in thread

* bug#72263: 31.0.50; Wrong indentation c++-ts-mode
  2024-08-01  5:06         ` Eli Zaretskii
@ 2024-08-01  7:03           ` Yuan Fu
  2024-08-17  7:28             ` Eli Zaretskii
  0 siblings, 1 reply; 7+ messages in thread
From: Yuan Fu @ 2024-08-01  7:03 UTC (permalink / raw)
  To: Eli Zaretskii; +Cc: Ergus, 72263

Pushed a fix for the original bug to emacs-30. Now it indents like this:

namespace A {

  T myfunction1(const char *fname)
  {
  }

  template <class T>
  T myfunction2(const char *fname)
  {
  }
}


> On Jul 31, 2024, at 10:06 PM, Eli Zaretskii <eliz@gnu.org> wrote:
> 
>> Date: Wed, 31 Jul 2024 23:09:53 +0200
>> From: Ergus <spacibba@aol.com>
>> CC: 72263@debbugs.gnu.org
>> 
>> I found another indentation issue in if-else conditions without
>> parenthesis:
>> 
>> if (pid == 0)
>>   print "hello from the child"
>>   else
>>   print "hello from the parent"
>> 
>> The else is not indented properly:
> 
> The above is not valid C++ code, AFAIU, so I don't understand why you
> expect c++-ts-mode to handle it properly (and what exactly is "proper"
> indentation in that case?).

As Eli said, if you add the trailing semicolon then it indents fine. If the code isn’t grammatically correct it’s hard for tree-sitter modes to indent the code.

Yuan




^ permalink raw reply	[flat|nested] 7+ messages in thread

* bug#72263: 31.0.50; Wrong indentation c++-ts-mode
  2024-08-01  7:03           ` Yuan Fu
@ 2024-08-17  7:28             ` Eli Zaretskii
  0 siblings, 0 replies; 7+ messages in thread
From: Eli Zaretskii @ 2024-08-17  7:28 UTC (permalink / raw)
  To: Yuan Fu; +Cc: spacibba, 72263-done

> From: Yuan Fu <casouri@gmail.com>
> Date: Thu, 1 Aug 2024 00:03:52 -0700
> Cc: Ergus <spacibba@aol.com>,
>  72263@debbugs.gnu.org
> 
> Pushed a fix for the original bug to emacs-30. Now it indents like this:
> 
> namespace A {
> 
>   T myfunction1(const char *fname)
>   {
>   }
> 
>   template <class T>
>   T myfunction2(const char *fname)
>   {
>   }
> }
> 
> 
> > On Jul 31, 2024, at 10:06 PM, Eli Zaretskii <eliz@gnu.org> wrote:
> > 
> >> Date: Wed, 31 Jul 2024 23:09:53 +0200
> >> From: Ergus <spacibba@aol.com>
> >> CC: 72263@debbugs.gnu.org
> >> 
> >> I found another indentation issue in if-else conditions without
> >> parenthesis:
> >> 
> >> if (pid == 0)
> >>   print "hello from the child"
> >>   else
> >>   print "hello from the parent"
> >> 
> >> The else is not indented properly:
> > 
> > The above is not valid C++ code, AFAIU, so I don't understand why you
> > expect c++-ts-mode to handle it properly (and what exactly is "proper"
> > indentation in that case?).
> 
> As Eli said, if you add the trailing semicolon then it indents fine. If the code isn’t grammatically correct it’s hard for tree-sitter modes to indent the code.

No further comments, so I'm now closing this bug.





^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2024-08-17  7:28 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
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2024-07-24  0:02 ` bug#72263: 31.0.50; Wrong indentation c++-ts-mode Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-25  7:29   ` Eli Zaretskii
2024-07-25  7:53     ` Yuan Fu
2024-07-31 21:09       ` Ergus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-08-01  5:06         ` Eli Zaretskii
2024-08-01  7:03           ` Yuan Fu
2024-08-17  7:28             ` Eli Zaretskii

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