GNU bug report logs - #70794
30.0.50; Add Rust compilation regex

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ergus <spacibba <at> aol.com>
Subject: bug#70794: closed (Re: bug#70794: 30.0.50; Add Rust compilation
 regex)
Date: Sat, 18 May 2024 10:53:02 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#70794: 30.0.50; Add Rust compilation regex

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 70794 <at> debbugs.gnu.org.

-- 
70794: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=70794
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Eli Zaretskii <eliz <at> gnu.org>
To: Ergus <spacibba <at> aol.com>
Cc: 70794-done <at> debbugs.gnu.org
Subject: Re: bug#70794: 30.0.50; Add Rust compilation regex
Date: Sat, 18 May 2024 13:52:29 +0300

> Date: Wed, 15 May 2024 15:10:02 +0200
> From: Ergus <spacibba <at> aol.com>
> Cc: 70794 <at> debbugs.gnu.org
> 
> On Sat, May 11, 2024 at 11:51:04AM GMT, Eli Zaretskii wrote:
> >
> >Thanks, but could you please also send the examples of Rust messages,
> >because we need to add them to etc/compilation.txt?
> 
> Hi Eli:
> 
> Typically they look like this:
> 
> ```
> error[E0425]: cannot find function `ruun` in module `broot::cli`
>    --> src/main.rs:6:23
>     |
> 6  |     match broot::cli::ruun() {
>     |                       ^^^^ help: a function with a similar name exists: `run`
>     |
>    ::: /tmp/broot/src/cli/mod.rs:49:1
>     |
> 49 | pub fn run() -> Result<Option<Launchable>, ProgramError> {
>     | -------------------------------------------------------- similarly
>     named function `run` defined here
> ```
> 
> or
> 
> ```
> error: cannot find macro `deebug` in this scope
>     --> src/main.rs:5:5
>      |
> 5   |     deebug!("env::args(): {:#?}", std::env::args().collect::<Vec<String>>());
>      |     ^^^^^^ help: a macro with a similar name exists: `debug`
>      |
>     ::: /home/ergo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/log-0.4.21/src/macros.rs:154:1
>      |
> 154 | macro_rules! debug {
>      | ------------------ similarly named macro `debug` defined here
> ```
> 
> ```
> warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]`
>   --> src/main.rs:3:1
>    |
> 3 | #[feature(proc_macro_diagnostic)]
>    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>    |
>    = note: `#[warn(unused_attributes)]` on by default
> ```
> 
> Two details:
> 
> 1. As you can see the [] is optional
> 2. The path is always relative to project's root

Thanks, installed on master, and closing the bug.

[Message part 3 (message/rfc822, inline)]

From: Ergus <spacibba <at> aol.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.0.50; Add Rust compilation regex
Date: Mon, 06 May 2024 03:28:43 +0200

Hi:

Recently working with rust I have noticed that emacs does not recognizes
the rust/cargo error patterns.

Considering that emacs has now the rust-ts-mode, it may worth adding
the rust/cargo error patterns to compile when using that mode

In my system so far I have this:

```
(with-eval-after-load 'rust-ts-mode
  (with-eval-after-load 'compile
    (add-to-list
     'compilation-error-regexp-alist-alist
     `(cargo
       "\\(?:\\(?4:error\\)\\|\\(?5:warning\\)\\):[^\0]+?--> \\(?1:[^:]+\\):\\(?2:[[:digit:]]+\\):\\(?3:[[:digit:]]+\\)"
       1 2 3 (5)
       nil
       (5 compilation-warning-face)
       (4 compilation-error-face)))

    (add-to-list 'compilation-error-regexp-alist 'cargo)))

```

Maybe a more frequent rust user has a more general regex to
recommend. But this one works for me.

WDYT?

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