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Add macro support in jump to definition feature
Fixes #91174.
To do so, I check if the span comes from an expansion, and if so, I infer the original macro `DefId` or `Span` depending if it's a defined in the current crate or not.
There is one limitation due to macro expansion though:
```rust
macro_rules! yolo { () => {}}
fn foo() {
yolo!();
}
```
In `foo`, `yolo!` won't be linked because after expansion, it is replaced by nothing (which seems logical). So I can't get an item from the `Visitor` from which I could tell if its `Span` comes from an expansion.
I added a test for this specific limitation alongside others.
Demo: https://rustdoc.crud.net/imperio/macro-jump-to-def/src/foo/check-source-code-urls-to-def-std.rs.html
As for the empty macro issue that cannot create a jump to definition, you can see it [here](https://rustdoc.crud.net/imperio/macro-jump-to-def/src/foo/check-source-code-urls-to-def-std.rs.html#35).
r? ```@jyn514```
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rustdoc: optimize loading of source sidebar
The source sidebar has a setting to remember whether it should be open or
closed. Previously, this setting was handled in source-script.js, which
is loaded with `defer`, meaning it is often run after the document is rendered.
Since CSS renders the source sidebar as closed by default, changing this
after the initial render results in a relayout.
Instead, handle the setting in storage.js, which is the first script to load
and is the only script that blocks render. This avoids a relayout and means
navigating between files with the sidebar open is faster.
Demo: https://rustdoc.crud.net/jsha/defer-source-sidebar/src/alloc/ffi/c_str.rs.html
r? ````@GuillaumeGomez````
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The source sidebar has a setting to remember whether it should be open or
closed. Previously, this setting was handled in source-script.js, which
is loaded with `defer`, meaning it is often run after the document is rendered.
Since CSS renders the source sidebar as closed by default, changing this
after the initial render results in a relayout.
Instead, handle the setting in storage.js, which is the first script to load
and is the only script that blocks render. This avoids a relayout and means
navigating between files with the sidebar open is faster.
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querying it
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Now that the "All Crates" dropdown is only rendered on the search results page,
there is no need to load crates.js on most pages. Load it only on crate pages.
Also, add the `defer` attribute so it does not block page rendering.
For sidebar-items.js, move the script tag to `<head>`. Since it already has the
defer attribute it won't block loading. The defer attribute does preserve
ordering between scripts, so instead of the callback on load, it can set a
global variable on load, which is slightly simpler. Also, since it is required
to finish rendering the page, beginning its load earlier is better.
Remove generation and handling of sidebar-vars. Everything there can be computed
with information available in JS via other means.
Remove the "other" wrapper in the sidebar. It was unnecessary.
Remove excess script fields
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rustdoc: remove tuple link on round braces
This is #98069 but for tuples. The reasoning is the same:
* This PR also changes it so that tuples with all-generic elements still link to the primitive.tuple.html page, just like slices. So there still plenty of on-ramps for anybody who doesn't know about it.
* It's too hard to see when round braces are a separate link from the type inside of them.
* It's too hard to click even if you do notice them.
Before:
* impl [ToSocketAddrs](https://doc.rust-lang.org/nightly/std/net/trait.ToSocketAddrs.html) for [(](https://doc.rust-lang.org/nightly/std/primitive.tuple.html)[IpAddr](https://doc.rust-lang.org/nightly/std/net/enum.IpAddr.html), [u16](https://doc.rust-lang.org/nightly/std/primitive.u16.html)[)](https://doc.rust-lang.org/nightly/std/primitive.tuple.html)
* impl<K, V> [FromIterator](https://notriddle.com/notriddle-rustdoc-test/std/iter/trait.FromIterator.html)<[(](https://notriddle.com/notriddle-rustdoc-test/std/primitive.tuple.html)K, V[)](https://notriddle.com/notriddle-rustdoc-test/std/primitive.tuple.html)> for [BTreeMap](https://notriddle.com/notriddle-rustdoc-test/std/collections/struct.BTreeMap.html)<K, V>
After:
* impl [ToSocketAddrs](https://doc.rust-lang.org/nightly/std/net/trait.ToSocketAddrs.html) for ([IpAddr](https://doc.rust-lang.org/nightly/std/net/enum.IpAddr.html), [u16](https://doc.rust-lang.org/nightly/std/primitive.u16.html))
* impl<K, V> [FromIterator](https://notriddle.com/notriddle-rustdoc-test/std/iter/trait.FromIterator.html)<[(K, V)](https://notriddle.com/notriddle-rustdoc-test/std/primitive.tuple.html)> for [BTreeMap](https://notriddle.com/notriddle-rustdoc-test/std/collections/struct.BTreeMap.html)<K, V>
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Fix weird js condition
While going around the code, I found this weird condition. Fixing also affects the generated results in some cases apparently (could only find this one).
Any idea maybe `@notriddle?`
r? `@notriddle`
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Add new eslint checks
r? ```@Dylan-DPC```
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once cell renamings
This PR does the renamings proposed in https://github.com/rust-lang/rust/issues/74465#issuecomment-1153703128
- Move/rename `lazy::{OnceCell, Lazy}` to `cell::{OnceCell, LazyCell}`
- Move/rename `lazy::{SyncOnceCell, SyncLazy}` to `sync::{OnceLock, LazyLock}`
(I used `Lazy...` instead of `...Lazy` as it seems to be more consistent, easier to pronounce, etc)
```@rustbot``` label +T-libs-api -T-libs
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* no-sequences
* no-throw-literal
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Improve the tuple and unit trait docs
* Reduce duplicate impls; show only the `(T,)` and include a sentence saying that there exists ones up to twelve of them.
* Show `Copy` and `Clone`.
* Show auto traits like `Send` and `Sync`, and blanket impls like `Any`.
Here's the new version:
* <https://notriddle.com/notriddle-rustdoc-test/std/primitive.tuple.html>
* <https://notriddle.com/notriddle-rustdoc-test/std/primitive.unit.html>
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r=notriddle
Fix sidebar items expand collapse
The collapse/expand event was not working for the items in the source code viewer sidebar (talking about these items:
).
This PR fixes it and adds a GUI test to prevent another regression.
r? ```@notriddle```
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This is 682889fb06591c4245422b73b005c5d8ae2d0cad but for tuples. The
reasoning is the same:
* This commit also changes it so that tuples with all-generic elements still
link to the primitive.tuple.html page, just like slices. So there still
plenty of on-ramps for anybody who doesn't know about it.
* It's too hard to see when round braces are a separate link from the type
inside of them.
* It's too hard to click even if you do notice them.
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Since #97668 was merged, the slice::get function now looks like this:
That whole thing, `[T]`, is a single link to `primitive.slice.html`. This
definitely fixes it for this case, but it's not obvious what we should do for
slices of concrete types:
There are actually three links in that `[u8]`: the opening brace `[` is a
link to `primitive.slice.html`, the `u8` is a link to `primitive.u8.html`,
and the final `]` is a link to `primitive.slice.html`. This is a serious
[usability bug](https://usability.yale.edu/web-accessibility/articles/links):
the square braces are much too small for anyone who doesn't have perfect
motor control using mouse or touch, provide an excessive number of tab stops
for anyone using keyboard, and no visual indication whatsoever that they're
separate links.
Now that slices of generic types are linked, it seems reasonable to err on
the side of less clutter and stop linking concrete slices to the slice page.
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Update minifier version to 0.2.1
This change and these changes come from an idea of `@camelid:` instead of creating a string, we just `write` the type into the file directly.
I don't think it'll have a big impact on perf but it's still a potential small improvement.
r? `@notriddle`
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This commit adds a new unstable attribute, `#[doc(tuple_varadic)]`, that
shows a 1-tuple as `(T, ...)` instead of just `(T,)`, and links to a section
in the tuple primitive docs that talks about these.
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More eslint checks
Here is the list of newly added eslint checks:
* [no-confusing-arrow](https://eslint.org/docs/rules/no-confusing-arrow)
* [no-div-regex](https://eslint.org/docs/rules/no-div-regex)
* [no-floating-decimal](https://eslint.org/docs/rules/no-floating-decimal)
* [no-implicit-globals](https://eslint.org/docs/rules/no-implicit-globals)
* [no-implied-eval](https://eslint.org/docs/rules/no-implied-eval)
* [no-label-var](https://eslint.org/docs/rules/no-label-var)
Since you already reviewed the previous ones:
r? `@Dylan-DPC`
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Add empty impl blocks if they have documentation
Fixes https://github.com/rust-lang/rust/issues/90866.
The update for the test script is needed to count the number of impl blocks we have with only the struct. To be noted that with https://github.com/rust-lang/rust/pull/89676 merged, it wouldn't be needed (I don't know what is the status of it btw. cc ```@Mark-Simulacrum).```
It looks like this:
cc ```@jyn514```
r? ```@camelid```
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Hack: many traits and types in std are re-exported from core or alloc. In
general, rustdoc is capable of recognizing these implementations as being
on local types. However, in at least one case, rustdoc gets confused and
labels an implementation as being on a foreign type. To make sure that
confusion doesn't pass on to the reader, consider all implementations in
std, core, and alloc to be on local types.
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Add more eslint checks
A new batch of eslint rules:
* [no-fallthrough](https://eslint.org/docs/rules/no-fallthrough)
* [no-invalid-regexp](https://eslint.org/docs/rules/no-invalid-regexp)
* [no-import-assign](https://eslint.org/docs/rules/no-import-assign)
* [no-self-compare](https://eslint.org/docs/rules/no-self-compare)
* [no-template-curly-in-string](https://eslint.org/docs/rules/no-template-curly-in-string)
* [block-scoped-var](https://eslint.org/docs/rules/block-scoped-var)
* [guard-for-in](https://eslint.org/docs/rules/guard-for-in)
* [no-alert](https://eslint.org/docs/rules/no-alert)
r? ``@notriddle``
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