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Migrate rust logo filter to CSS variables
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Make underscore_literal_suffix a hard error.
It's been a warning for 5.5 years. Time to make it a hard error.
Closes #42326.
r? ``@pnkfelix``
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r=cjgillot,GuillaumeGomez
rustdoc: various cross-crate reexport fixes
Fixes for various smaller cross-crate reexport issues.
The PR is split into several commits for easier review. Will be squashed after approval.
Most notable changes:
* We finally render late-bound lifetimes in the generic parameter list of cross-crate functions & methods.
Previously, we would display the re-export of `pub fn f<'s>(x: &'s str) {}` as `pub fn f(x: &'s str)`
* We now render unnamed parameters of cross-crate functions and function pointers as underscores
since that's exactly what we do for local definitions, too. Mentioned as a bug in #44306.
* From now on, the rendering of cross-crate trait-object types is more correct:
* `for<>` parameter lists (for higher-ranked lifetimes) are now shown
* the return type of `Fn{,Mut,Once}` trait bounds is now displayed
Regarding the last list item, here is a diff for visualization (before vs. after):
```patch
- dyn FnOnce(&'any str) + 'static
+ dyn for<'any> FnOnce(&'any str) -> bool + 'static
```
The redundant `+ 'static` will be removed in a follow-up PR that will hide trait-object lifetime-bounds if they coincide with [their default](https://doc.rust-lang.org/reference/lifetime-elision.html#default-trait-object-lifetimes) (see [Zulip discussion](https://rust-lang.zulipchat.com/#narrow/stream/266220-rustdoc/topic/clean_middle_ty.3A.20I.20need.20to.20add.20a.20parameter/near/307143097)). `FIXME(fmease)`s were added.
``@rustbot`` label A-cross-crate-reexports
r? ``@GuillaumeGomez``
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On arm, llvm treats the C calling convention as `aapcs` on soft-float
targets and `aapcs-vfp` on hard-float targets [1]. UEFI specifies in the
arm calling convention that floating point extensions aren't used [2],
so always translate `efiapi` to `aapcs` on arm.
[1]: https://github.com/rust-lang/compiler-builtins/issues/116#issuecomment-261057422
[2]: https://uefi.org/specs/UEFI/2.10/02_Overview.html#detailed-calling-convention
https://github.com/rust-lang/rust/issues/65815
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It's been a warning for 5.5 years. Time to make it a hard error.
Closes #42326.
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Supported architectures in UEFI are described here:
https://uefi.org/specs/UEFI/2.10/02_Overview.html#calling-conventions
Changes to tests modeled on 8240e7aa101815e2009c7d03b33dd2566d843e73.
https://github.com/rust-lang/rust/issues/65815
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Implement `std::marker::Tuple`, use it in `extern "rust-call"` and `Fn`-family traits
Implements rust-lang/compiler-team#537
I made a few opinionated decisions in this implementation, specifically:
1. Enforcing `extern "rust-call"` on fn items during wfcheck,
2. Enforcing this for all functions (not just ones that have bodies),
3. Gating this `Tuple` marker trait behind its own feature, instead of grouping it into (e.g.) `unboxed_closures`.
Still needing to be done:
1. Enforce that `extern "rust-call"` `fn`-ptrs are well-formed only if they have 1/2 args and the second one implements `Tuple`. (Doing this would fix ICE in #66696.)
2. Deny all explicit/user `impl`s of the `Tuple` trait, kinda like `Sized`.
3. Fixing `Tuple` trait built-in impl for chalk, so that chalkification tests are un-broken.
Open questions:
1. Does this need t-lang or t-libs signoff?
Fixes #99820
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Rollup of 7 pull requests
Successful merges:
- #103012 (Suggest use .. to fill in the rest of the fields of Struct)
- #103851 (Fix json flag in bootstrap doc)
- #103990 (rustdoc: clean up `.logo-container` layout CSS)
- #104002 (fix a comment in UnsafeCell::new)
- #104014 (Migrate test-arrow to CSS variables)
- #104016 (Add internal descriptions to a few queries)
- #104035 (Add 'closure match' test to weird-exprs.rs.)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Add 'closure match' test to weird-exprs.rs.
Having fun with patterns that look like closures.
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Migrate test-arrow to CSS variables
There should be no UI changes. I kept both `color` and `background-color` properties even though only the ayu theme is actually completely making use of them on hover.
r? ``@notriddle``
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rustdoc: clean up `.logo-container` layout CSS
This commit should result in no appearance changes.
To make the logo container exactly the desired height, you want to get rid of the part of the box used for typographic descenders (you know, the part of g, y, and j that descends below the baseline). After all, it contains no text, but the space is still left open in the layout by default, because `<img>` is `display:inline`. The CSS used to employ three different tricks to accomplish this:
* By making `.sidebar .logo-container` a flex container, the image becomes a flex item and is [blockified], without synthesizing any inline boxes. No inline boxes means no descenders.
* By giving `.mobile-topbar .logo-container` a max-height exactly the same as the height of the image plus the padding, the descender area gets cut off.
* By setting `.sub-logo-container { line-height: 0 }`, we ensure that the only box that contributes to the height of the line box is the image itself, and not any zero-content text boxes that neighbor it. See the [logical height algorithm].
This commit gets rid of the first two hacks, leaving only the third, since it requires only one line of code to accomplish and doesn't require setting the value based on math.
[blockified]: https://drafts.csswg.org/css-flexbox-1/#flex-items
[logical height algorithm]: https://www.w3.org/TR/css-inline-3/#inline-height
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Suggest use .. to fill in the rest of the fields of Struct
Fixes #102806
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rework applying closure requirements in borrowck
Previously the promoted closure constraints were registered under the category `ConstraintCategory::ClosureBounds` in `type_check::prove_closure_bounds()` and then mapped back their original category in `regions_infer::best_blame_constraint` using the complicated map `closure_bounds_mapping`.
Now we're registering promoted constraints under their original category and span earlier in `type_check::prove_closure_bounds`.
See commit messages.
Fixes #99245
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Stabilize the `instruction_set` feature
Closes https://github.com/rust-lang/rust/issues/74727
FCP is complete on https://github.com/rust-lang/rust/issues/74727#issuecomment-1242773253
r? `@pnkfelix` and/or `@nikomatsakis`
cc `@xd009642`
Signed-off-by: Yuki Okushi <jtitor@2k36.org>
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Fix search result bottom border color
It reverts a color change while keeping the improvement made in #103938.
I think it'll need to be backported once merged too.
r? `@notriddle`
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fee1-dead-contrib:E0425-no-typo-when-pattern-matching, r=cjgillot
Do not make typo suggestions when suggesting pattern matching
Fixes #103909.
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rustdoc: add hash to filename of toolchain files
All static files used by rustdoc are now stored in static.files/ and their filenames include a hash of their contents. Their filenames no longer include the contents of the --resource-suffix flag. This clarifies caching semantics. Anything in static.files can use Cache-Control: immutable because any updates will show up as a new URL.
Invocation-specific files like crates-NN.js, search-index-NN.js, and sidebar-items-NN.js still get the resource suffix.
This has a useful side effect: once toolchain files aren't affected by resource suffix, it will become possible for docs.rs to include crate version in the resource suffix. That should fix a caching issue with `/latest/` URLs: https://github.com/rust-lang/docs.rs/issues/1593. My goal is that it should be safe to serve all rustdoc JS, CSS, and fonts with infinite caching headers, even when new versions of a crate are uploaded in the same place as old versions.
The --disable-minification flag is removed because it would vary the output of static files based on invocation flags. Instead, for rustdoc development purposes it's preferable to symlink static files to a non-minified copy for quick iteration.
Example listing:
```
$ cd build/x86_64-unknown-linux-gnu/doc/ && find . | egrep 'js$|css$' | egrep -v 'sidebar-items|implementors' | sort
./crates1.65.0.js
./rust.css
./search-index1.65.0.js
./source-files1.65.0.js
./static.files/ayu-2bfd0af01c176fd5.css
./static.files/dark-95d11b5416841799.css
./static.files/light-c83a97e93a11f15a.css
./static.files/main-efc63f77fb116394.js
./static.files/normalize-76eba96aa4d2e634.css
./static.files/noscript-5bf457055038775c.css
./static.files/rustdoc-7a422337900fa894.css
./static.files/scrape-examples-3dd10048bcead3a4.js
./static.files/search-47f3c289722672cf.js
./static.files/settings-17b08337296ac774.js
./static.files/settings-3f95eacb845293c0.css
./static.files/source-script-215e9db86679192e.js
./static.files/storage-26d846fcae82ff09.js
```
Fixes #98413
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Fixes #103909.
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Fix capacity overflow issue during transmutability check
Fixes #103751
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Also drop `extern` blocks from the effective visibility table, they are nominally private and it doesn't make sense to keep them there.
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michaelwoerister:consistent-slice-and-str-cpp-like-debuginfo-names, r=wesleywiser
[debuginfo] Make cpp-like debuginfo type names for slices and str consistent.
Before this PR, the compiler would emit the debuginfo name `slice$<T>` for all kinds of slices, regardless of whether they are behind a reference or not and regardless of the kind of reference. As a consequence, the types `Foo<&[T]>`, `Foo<[T]>`, and `Foo<&mut [T]>` would end up with the same type name `Foo<slice$<T> >` in debuginfo, making it impossible to disambiguate between them by name. Similarly, `&str` would get the name `str` in debuginfo, so the debuginfo name for `Foo<str>` and `Foo<&str>` would be the same. In contrast, `*const [bool]` and `*mut [bool]` would be `ptr_const$<slice$<bool> >` and `ptr_mut$<slice$<bool> >`, i.e. the encoding does not lose information about the type.
This PR removes all special handling for slices and `str`. The types `&[bool]`, `&mut [bool]`, and `&str` thus get the names `ref$<slice2$<bool> >`, `ref_mut$<slice2$<bool> >`, and `ref$<str$>` respectively -- as one would expect.
The new special name for slices is `slice2$` to differentiate it from the previous name `slice$`, which has different semantics. The same is true for `str` and `str$`. This kind of versioning already has a precedent with the case of `enum$` and `enum2$` and hopefully will make it easier to transition existing consumers of these names.
cc `@rust-lang/wg-debugging` `@vadimcn`
r? `@wesleywiser`
UPDATE: Here is a table to clarify the changes
| Rust type | DWARF name | C++-like name (before) | C++-like name (after) |
|-----------|------------|------------------------|------------------------|
| `[T]` | `[T]` | `slice$<T>` | `slice2$<T>` |
| `&[T]` | `&[T]` | `slice$<T>` | `ref$<slice2$<T> >` |
| `&mut [T]` | `&mut [T]` | `slice$<T>` | `ref_mut$<slice2$<T> >`|
| `str` | `str` | `str` | `str$` |
| `&str` | `&str` | `str` | `ref$<str$>` |
| `&mut str` | `&mut str` | `str` | `ref_mut$<str$>`|
| `*const [T]` | `*const [T]` | `ptr_const$<slice$<T> >` | `ptr_const$<slice2$<T> >` |
| `*mut [T]` | `*mut [T]` | `ptr_mut$<slice$<T> >` | `ptr_mut$<slice2$<T> >` |
As you can see, before the PR many types would end up with the same name, making it impossible to distinguish between them in NatVis or other places where types are matched or looked up by name. The DWARF version of names is not changed.
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Specify that `break` cannot be used outside of loop *or* labeled block
Closes #103981
`@rustbot` label +A-diagnostics
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Remove `has_errors` from `FnCtxt`
It doesn't seem like this `has_errors` flag actually suppresses any errors (at least in the UI test suite) --- except for one test (`E0767.rs`), and I think that error really should be considered legitimate, since it has nothing to do with the error code and continues to exist after you fix the first error...
This flag was added by ```@eddyb``` in 6b3cc0b8c8094407a3b5ea75f946c682d6d0142a, and it's likely that it was made redundant due to subsequent restructuring of the compiler.
It only affects block type-checking anyways, so its effect does seem limited these days anyway.
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Correctly resolve Inherent Associated Types
I don't know if this is the best way to do this, but at least it is one way.
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Spans are independent of the body being borrow-checked, so they don't
need remapping when promoting type-tests and they yield more specific
error spans inside bodies of closures/inline consts.
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Don't use `ConstraintCategory::ClosureBounds`!
Set the category and the span for the promoted constraints to that of
the original constraint earlier than before.
This eliminates the need for `closure_bounds_mapping`.
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