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r=oli-obk
Compute variances for lazy type aliases
Fixes #114221.
CC ``@oli-obk``
r? types
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It lints against features that are inteded to be internal to the
compiler and standard library. Implements MCP #596.
We allow `internal_features` in the standard library and compiler as those
use many features and this _is_ the standard library from the "internal to the compiler and
standard library" after all.
Marking some features as internal wasn't exactly the most scientific approach, I just marked some
mostly obvious features. While there is a categorization in the macro,
it's not very well upheld (should probably be fixed in another PR).
We always pass `-Ainternal_features` in the testsuite
About 400 UI tests and several other tests use internal features.
Instead of throwing the attribute on each one, just always allow them.
There's nothing wrong with testing internal features^^
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r=notriddle,fmease
[rustdoc] If re-export is private, get the next item until a public one is found or expose the private item directly
Fixes #81141.
If we have:
```rust
use Private as Something;
pub fn foo() -> Something {}
```
Then `Something` will be replaced by `Private`.
r? `@notriddle`
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r=GuillaumeGomez
rustdoc: fix cross-crate `impl Sized` & `impl ?Sized`
Previously, cross-crate impl-Trait (APIT, RPIT, etc.) that only consists of a single `Sized` bound (modulo outlives-bounds) and ones that are `?Sized` were incorrectly rendered. To give you a taste (before vs. after):
```diff
- fn sized(x: impl ) -> impl
+ fn sized(x: impl Sized) -> impl Sized
- fn sized_outlives<'a>(x: impl 'a) -> impl 'a
+ fn sized_outlives<'a>(x: impl Sized + 'a) -> impl Sized + 'a
- fn maybe_sized(x: &impl ) -> &impl
+ fn maybe_sized(x: &impl ?Sized) -> &impl ?Sized
- fn debug_maybe_sized(x: &impl Debug) -> &impl ?Sized + Debug
+ fn debug_maybe_sized(x: &(impl Debug + ?Sized)) -> &(impl Debug + ?Sized)
```
Moreover, we now surround impl-Trait that has multiple bounds with parentheses if they're the pointee of a reference or raw pointer type. This affects both local and cross-crate docs. The current output isn't correct (rustc would emit the error *ambiguous `+` in a type* if we fed the rendered code back to it).
---
Best reviewed commit by commit :)
`@rustbot` label A-cross-crate-reexports
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Fix missing attribute merge on glob foreign re-exports
Fixes https://github.com/rust-lang/rust/issues/113982.
The attributes were not merged with the import's in case of glob re-export of foreign items.
r? `@notriddle`
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fix intra-doc links on nested `use` and `extern crate` items
This PR fixes two rustdoc ICEs that happen if there are any intra-doc links on nested `use` or `extern crate` items, for example:
```rust
/// Re-export [`fmt`] and [`io`].
pub use std::{fmt, io}; // "nested" use = use with braces
/// Re-export [`std`].
pub extern crate std;
```
Nested use items were incorrectly considered private and therefore didn't have their intra-doc links resolved. I fixed this by always resolving intra-doc links for nested `use` items that are declared `pub`.
<details>
During AST->HIR lowering, nested `use` items are desugared like this:
```rust
pub use std::{}; // "list stem"
pub use std::fmt;
pub use std::io;
```
Each of these HIR nodes has it's own effective visibility and the list stem is always considered private.
To check the effective visibility of an AST node, the AST node is mapped to a HIR node with `Resolver::local_def_id`, which returns the (private) list stem for nested use items.
</details>
For `extern crate`, there was a hack in rustdoc that stored the `DefId` of the crate itself in the cleaned item, instead of the `DefId` of the `extern crate` item. This made rustdoc look at the resolved links of the extern crate's crate root instead of the `extern crate` item. I've removed this hack and instead translate the `DefId` in the appropriate places.
As as side effect of fixing `extern crate`, i've turned
```rust
#[doc(masked)]
extern crate self as _;
```
into a no-op instead of hiding all trait impls. Proper verification for `doc(masked)` is included as a bonus.
fixes https://github.com/rust-lang/rust/issues/113896
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r=fmease,GuillaumeGomez
rustdoc: fix position of `default` in method rendering
With the following code:
```rs
#![feature(specialization)]
pub trait A {
unsafe fn a();
}
impl A for () {
default unsafe fn a() {}
}
```
rustdoc would render the `impl` of `a` as
```rs
unsafe default fn a()
```
which is inconsistent with the actual position of `default`.
This PR fixes this issue.
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Add tests for `--document-hidden-items` option
Since `--document-hidden-items` was greatly fixed/improved in https://github.com/rust-lang/rust/pull/113574, thought it might be worth adding some more tests for it to prevent new regressions.
As for the first commit, it allows to go from:
```
Traceback (most recent call last):
File "/home/imperio/rust/rust/src/etc/htmldocck.py", line 706, in <module>
check(sys.argv[1], get_commands(rust_test_path))
File "/home/imperio/rust/rust/src/etc/htmldocck.py", line 689, in check
for c in commands:
File "/home/imperio/rust/rust/src/etc/htmldocck.py", line 274, in get_commands
args = shlex.split(args)
File "/usr/lib/python3.10/shlex.py", line 315, in split
return list(lex)
File "/usr/lib/python3.10/shlex.py", line 300, in __next__
token = self.get_token()
File "/usr/lib/python3.10/shlex.py", line 109, in get_token
raw = self.read_token()
File "/usr/lib/python3.10/shlex.py", line 191, in read_token
raise ValueError("No closing quotation")
ValueError: No closing quotation
```
to:
```
Traceback (most recent call last):
File "/home/imperio/rust/rust/src/etc/htmldocck.py", line 708, in <module>
check(sys.argv[1], get_commands(rust_test_path))
File "/home/imperio/rust/rust/src/etc/htmldocck.py", line 691, in check
for c in commands:
File "/home/imperio/rust/rust/src/etc/htmldocck.py", line 278, in get_commands
raise Exception("line {}: {}".format(lineno + 1, exc)) from None
Exception: line 57: No closing quotation
```
Having the line where the error occurred is quite useful.
r? `@notriddle`
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Since the directory that contains source files is called `src`,
it makes sense to name the scripts that way, too.
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The CSS uses an inconsistent mix of both. This commit switches
it to always use `src`.
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Add/improve code comments
Working on something else and did some small comments updates/adds.
r? `@notriddle`
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rustdoc: render generic params & where-clauses of cross-crate assoc tys in impls
We used to only ever render generic parameters & where-clauses of cross-crate associated types when the item was located inside of a trait and we used to just drop them when it was inside of an impl block (trait or inherent).
Fixes #112904.
`@rustbot` label A-cross-crate-reexports
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Rollup of 5 pull requests
Successful merges:
- #112976 (Add test for futures with HRTB)
- #113013 (rustdoc: get rid of extra line when line-wrapping fn decls with empty arg list)
- #113030 (Add a regression test for #109071)
- #113031 (Add a regression test for #110933)
- #113036 (Accept `ReStatic` for RPITIT)
r? `@ghost`
`@rustbot` modify labels: rollup
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blocks
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[tests/rustdoc] Add @files command
The ``````@!has`````` checks is very problematic as it wouldn't catch if the file scheme is updated and the file is generated again. ``````@files`````` allows to ensure that the given folder contains exactly the provided entries (files and folders).
I'm wondering if we should forbid the ``````@!has`````` for files. To be discussed after this PR I suppose.
r? `````@notriddle`````
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Fix indentation for where clause in rustdoc pages
Screenshot of the bug:
I used this opportunity to clarify the code a bit because some weird things were going on.
r? ````@notriddle````
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fmease:rustdoc-render-assoc-ty-body-before-where-clause, r=notriddle
rustdoc: render the body of associated types before the where-clause
Fixes #112903.
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Fix union fields display
So two bugs in this screenshot: no whitespace between field name and type name, both fields are on the same line. Both problems come from issues in the templates because all whitespace are removed if a askama "command" follows.
r? `@notriddle`
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Add `lazy_type_alias` feature gate
Add the `type_alias_type` to be able to have the weak alias used without restrictions.
Part of #112792.
cc `@compiler-errors`
r? `@oli-obk`
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Add chapter in rustdoc book for re-exports and add a regression test for `#[doc(hidden)]` behaviour
Fixes https://github.com/rust-lang/rust/issues/109449.
Fixes https://github.com/rust-lang/rust/issues/53417.
After the discussion in #109697, I made a few PRs to fix a few corner cases:
* https://github.com/rust-lang/rust/pull/112178
* https://github.com/rust-lang/rust/pull/112108
* https://github.com/rust-lang/rust/pull/111997
With this I think I covered all cases. Only thing missing at this point was a chapter covering re-exports in the rustdoc book.
r? `@notriddle`
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