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That PR caused multiple test failures when Rust's channel is changed
from nightly to anything else. The commit will have to be landed again
after the test suite is fixed.
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(update: placated tidy)
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This reverts commit af6c3201fc3d5ec2559836454ea4f43eec583fa2.
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Since `#![attr]` and `#[attr]` are the only valid syntax that start with `#`, we can just special case those two tokens.
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rustdoc: Note that forbidding anchors in links to primitives is a bug
cc https://github.com/rust-lang/rust/issues/83083, https://github.com/rust-lang/rust/pull/84147#discussion_r613518820
r? `@cuviper`
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I think the lint is confusing otherwise since it doesn't fully explain
what the problem is.
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Improve test for `rustdoc::bare_urls` lint
- Rename `url-improvements` test to `bare-urls`
- Run rustfix for `bare-urls` test
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This will help us ensure that it emits valid suggestions.
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The lint used to be called `non-autolinks`, and linted more than just
bare URLs. Now, it is called `bare-urls` and only lints against bare
URLs. So, `bare-urls` is a better name for the test.
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rustdoc: Don't generate blanket impls when running --show-coverage
`get_blanket_impls` is the slowest part of rustdoc, and the coverage pass
completely ignores blanket impls. This stops running it at all, and also
removes some unnecessary checks in `calculate_doc_coverage` that ignored
the impl anyway.
We don't currently measure --show-coverage in perf.rlo, but I tested
this locally on cargo and it brought the time down from 2.9 to 1.6
seconds.
This also adds back a commented-out test; Rustdoc has been able to deal with `impl trait` for almost a year now.
r? `@GuillaumeGomez`
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Rustdoc has been able to deal with `impl trait` for almost a year now.
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get_blanket_impls is the slowest part of rustdoc, and the coverage pass
completely ignores blanket impls. This stops running it at all, and also
removes some unnecessary checks in `calculate_doc_coverage` that ignored
the impl anyway.
We don't currently measure --show-coverage in perf.rlo, but I tested
this locally on cargo and it brought the time down from 2.9 to 1.6
seconds.
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Stabilize `rustdoc::bare_urls` lint
Closes https://github.com/rust-lang/rust/issues/77501. Closes https://github.com/rust-lang/rust/issues/83598.
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rustdoc: Link to the docs on namespaces when an unknown disambiguator is found
cc https://github.com/rust-lang/rust/issues/83859
`@lopopolo` does this look about like what you expected?
r? `@camelid`
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Fix handling of `--output-format json` flag
- Don't treat it as deprecated on stable and beta channels. Before, it
would give confusing and incorrect output:
```
warning: the 'output-format' flag is considered deprecated
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= warning: see issue #44136 <https://github.com/rust-lang/rust/issues/44136> for more information
error: json output format isn't supported for doc generation
```
Both of those are wrong: output-format isn't deprecated, and json
output is supported.
- Require -Z unstable-options for `--output-format json`
Previously, it was allowed by default on nightly, which made it hard
to realize the flag wouldn't be accepted on beta or stable.
To get the test working I had to remove `-Z unstable-options`, which x.py passed to compiletest unconditionally. It was first added in https://github.com/rust-lang/rust/commit/8c2ec689c159e7f021d5913efb991aff875be967 so `-Z miri` would be allowed. -Z miri is no longer passed unconditionally, so hopefully removing it won't break anything.
r? ```@aDotInTheVoid``` cc ```@HeroicKatora``` ```@CraftSpider```
Thanks to ```@memoryruins``` for pointing it out on Discord!
cc ```@Mark-Simulacrum``` for the change to compiletest.
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- Don't treat it as deprecated on stable and beta channels. Before, it
would give confusing and incorrect output:
```
warning: the 'output-format' flag is considered deprecated
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= warning: see issue #44136 <https://github.com/rust-lang/rust/issues/44136> for more information
error: json output format isn't supported for doc generation
```
Both of those are wrong: output-format isn't deprecated, and json
output is supported.
- Require -Z unstable-options for `--output-format json`
Previously, it was allowed by default on nightly, which made it hard
to realize the flag wouldn't be accepted on beta or stable.
Note that this still allows `--output-format html`, which has been
stable since 1.0.
- Remove unnecessary double-checking of the feature gate when parsing
the output format
- Add custom run-make test since compiletest passes -Zunstable-options
by default
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Rollup of 7 pull requests
Successful merges:
- #82963 (Move `SharedContext` to `context.rs`)
- #83829 (rustc_target: Rely on defaults more in target specs)
- #83895 (Add listing of lints (eg via `-W help`) to rustdoc)
- #83902 (Update LLVM to support more wasm simd ops)
- #83903 (Fix typo in TokenStream documentation)
- #83910 (Update cargo)
- #83920 (Fix HashMap/HashSet LLDB pretty-printer after hashbrown 0.11.0)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Add listing of lints (eg via `-W help`) to rustdoc
Fixes #83883
r? `@jyn514`
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rustdoc: Use DiagnosticInfo in more parts of intra-doc links
This makes the code a lot less verbose.
This is separated into lots of tiny commits because it was easier for me that way, but the overall diff isn't that big if you want to read it at once.
r? `@bugadani`
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rustdoc: Cleanup handling of associated items for intra-doc links
Helps with https://github.com/rust-lang/rust/issues/83761 (right now the uses of the resolver are all intermingled with uses of the tyctxt). Best reviewed one commit at a time.
r? ```@bugadani``` maybe? Feel free to reassign :)
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This gets rid of a lot of parameters, as well as fixing a diagnostic
bug.
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Give a better error when --theme is not a CSS file
Before:
```
error: invalid argument: "bacon.toml"
```
After:
```
error: invalid argument: "bacon.toml"
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= help: arguments to --theme must be CSS files
```
cc https://github.com/rust-lang/rust/pull/83478
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Previously, the types looked like this:
- None means this is not an associated item (but may be a variant field)
- Some(Err) means this is known to be an error. I think the only way that can happen is if it resolved and but you had your own anchor.
- Some(Ok(_, None)) was impossible.
Now, this returns a nested Option and does the error handling and
fiddling with the side channel in the caller. As a side-effect, it also
removes duplicate error handling.
This has one small change in behavior, which is that
`resolve_primitive_associated_item` now goes through `variant_field` if
it fails to resolve something. This is not ideal, but since it will be
quickly rejected anyway, I think the performance hit is worth the
cleanup.
This also fixes a bug where struct fields would forget to set the side
channel, adds a test for the bug, and ignores `private_intra_doc_links`
in rustc_resolve (since it's always documented with
--document-private-items).
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Don't report disambiguator error if link would have been ignored
Fixes #83859.
This prevents us from warning on links such as `<hello@example.com>`.
Note that we still warn on links such as `<hello@localhost>` because
they have no dots in them. However, the links will still work, even
though a warning is reported.
r? ````@jyn514````
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This also makes the implementation slightly more efficient by only
compiling the regex once.
See https://github.com/rust-lang/rust/pull/81764#issuecomment-774122759
for why this was removed; essentially the benefit didn't seem great
enough to deserve a lint.
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This prevents us from warning on links such as `<hello@example.com>`.
Note that we still warn on links such as `<hello@localhost>` because
they have no dots in them. However, the links will still work, even
though a warning is reported.
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This is step 2 towards fixing #77548.
In the codegen and codegen-units test suites, the `//` comment markers
were kept in order not to affect any source locations. This is because
these tests cannot be automatically `--bless`ed.
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rustdoc: Don't load all extern crates unconditionally
Instead, only load the crates that are linked to with intra-doc links.
This doesn't help very much with any of rustdoc's fundamental issues
with freezing the resolver, but it at least fixes a stable-to-stable
regression, and makes the crate loading model somewhat more consistent
with rustc's. I tested and it unfortunately does not help at all with https://github.com/rust-lang/rust/pull/82496.
Closes https://github.com/rust-lang/rust/issues/68427. Let me know if you want me to open a separate issue for not freezing the resolver.
r? `@petrochenkov` cc `@eddyb` `@ollie27`
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Instead, only load the crates that are linked to with intra-doc links.
This doesn't help very much with any of rustdoc's fundamental issues
with freezing the resolver, but it at least fixes a stable-to-stable
regression, and makes the crate loading model somewhat more consistent
with rustc's.
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Rename `#[doc(spotlight)]` to `#[doc(notable_trait)]`
Fixes #80936.
"spotlight" is not a very specific or self-explaining name.
Additionally, the dialog that it triggers is called "Notable traits".
So, "notable trait" is a better name.
* Rename `#[doc(spotlight)]` to `#[doc(notable_trait)]`
* Rename `#![feature(doc_spotlight)]` to `#![feature(doc_notable_trait)]`
* Update documentation
* Improve documentation
r? `@Manishearth`
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Before:
```
error: invalid argument: "bacon.toml"
```
After:
```
error: invalid argument: "bacon.toml"
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= help: arguments to --theme must be CSS files
```
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And, now that we do that, we can remove the explanatory note since the
error span should make it clear what the disambiguator is.
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Fixes #83046
The program
fn main() {
println!("{:?}", '"');
println!("{:?}", "'");
}
would previously print
'\"'
"\'"
With this patch it now prints:
'"'
"'"
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rustdoc: allow list syntax for #[doc(alias)] attributes
Fixes https://github.com/rust-lang/rust/issues/81205.
It now allows to have:
```rust
#[doc(alias = "x")]
// and:
#[doc(alias("y", "z"))]
```
cc ``@jplatte``
r? ``@jyn514``
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Right now, rustdoc users have an unpleasant situation: they can either
use the new tool lint names (`rustdoc::non_autolinks`) or they can use
the old names (`non_autolinks`). If they use the tool lints, they get a
hard error on stable compilers, because rustc rejects all tool names it
doesn't recognize. If they use the old name, they get a warning to
rename the lint to the new name. The only way to compile without
warnings is to add `#[allow(renamed_removed_lints)]`, which defeats the
whole point of the change: we *want* people to switch to the new name.
To avoid people silencing the lint and never migrating to the tool lint,
this avoids warning about the old name, while still allowing you to use
the new name. Once the new `rustdoc` tool name makes it to the stable
channel, we can change these lints to warn again.
This adds the new lint functions `register_alias` and `register_ignored`
- I didn't see an existing way to do this.
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Add a `min_type_alias_impl_trait` feature gate
This new feature gate only permits type alias impl trait to be constrained by function and trait method return types. All other possible constraining sites like const/static types, closure return types and binding types are now forbidden and gated under the `type_alias_impl_trait` and `impl_trait_in_bindings` feature gates (which are both marked as incomplete, as they have various ways to ICE the compiler or cause query cycles where they shouldn't).
r? `@nikomatsakis`
This is best reviewed commit-by-commit
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"spotlight" is not a very specific or self-explaining name.
Additionally, the dialog that it triggers is called "Notable traits".
So, "notable trait" is a better name.
* Rename `#[doc(spotlight)]` to `#[doc(notable_trait)]`
* Rename `#![feature(doc_spotlight)]` to `#![feature(doc_notable_trait)]`
* Update documentation
* Improve documentation
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actual changes in behaviour
This makes `type_alias_impl_trait` not actually do anything anymore
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Find more invalid doc attributes
- Lint on `#[doc(123)]`, `#[doc("hello")]`, etc.
- Lint every attribute; e.g., will now report two warnings for `#[doc(foo, bar)]`
- Add hyphen to "crate level"
- Display paths like `#[doc(foo::bar)]` correctly instead of as an empty string
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- Tweak lint message
- Display multi-segment paths correctly
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Rename `rustdoc` to `rustdoc::all`
When rustdoc lints were changed to be tool lints, the `rustdoc` group was removed, leading to spurious warnings like
```
warning: unknown lint: `rustdoc`
```
The lint group still worked when rustdoc ran, since rustdoc added the group itself.
This renames the group to `rustdoc::all` for consistency with `clippy::all` and the rest of the rustdoc lints.
Follow-up to #80527.
r? ``@Manishearth``
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