linux-kernel - Re: [PATCH 04/13] rust: kernel: add srctree-relative doclinks

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Date: Thu, 18 Jan 2024 09:30:42 +0100
From: Valentin Obst <kernel@...entinobst.de>
To: Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Wedson Almeida Filho <wedsonaf@...il.com>,
	Trevor Gross <tmgross@...ch.edu>
Cc: Boqun Feng <boqun.feng@...il.com>,
	Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...sung.com>,
	Alice Ryhl <aliceryhl@...gle.com>,
	rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Valentin Obst <kernel@...entinobst.de>
Subject: Re: [PATCH 04/13] rust: kernel: add srctree-relative doclinks

> Hm, I wonder if we could figure out a way to make links point to
> specific definitions in the C headers with # anchors. I'm not sure
> what the intended platform to view these links is.

Currently the links simply open the plain .h file from your local tree in your
browser, i.e.,

```rust
/// [`struct wait_queue_head`]: srctree/include/linux/wait.h
```

becomes something like:

file:///mnt/build/rust-for-linux/rust4lx/include/linux/wait.h

and fragments won't work on that.

I agree that it would be nice to link to type definitions, variables,
functions, ect. in the file, maybe with something like:

```
#(type|var|func);<identifier>
```

However, I think this will require some parsing and embedding the C
source file into some html.