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from expansion
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Rollup of 9 pull requests
Successful merges:
- rust-lang/rust#142331 (Add `trim_prefix` and `trim_suffix` methods for both `slice` and `str` types.)
- rust-lang/rust#142491 (Rework #[cold] attribute parser)
- rust-lang/rust#142494 (Fix missing docs in `rustc_attr_parsing`)
- rust-lang/rust#142495 (Better template for `#[repr]` attributes)
- rust-lang/rust#142497 (Fix random failure when JS code is executed when the whole file was not read yet)
- rust-lang/rust#142575 (Ensure copy* intrinsics also perform the static self-init checks)
- rust-lang/rust#142650 (Refactor Translator)
- rust-lang/rust#142713 (mbe: Refactor transcription)
- rust-lang/rust#142755 (rustdoc: Remove `FormatRenderer::cache`)
r? `@ghost`
`@rustbot` modify labels: rollup
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Hir item kind field order
A follow-up to rust-lang/rust#141675.
r? `@fee1-dead`
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Specifically `TyAlias`, `Enum`, `Struct`, `Union`. So the fields match
the textual order in the source code.
The interesting part of the change is in
`compiler/rustc_hir/src/hir.rs`. The rest is extremely mechanical
refactoring.
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r=GuillaumeGomez
rustdoc: linking to a local proc macro no longer warns
fixes https://github.com/rust-lang/rust/issues/91274
tried to keep the fix general in case we ever have any other kind of item that occupies
multiple namespaces simultaniously.
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fixes https://github.com/rust-lang/rust/issues/91274
Co-authored-by: Guillaume Gomez <guillaume1.gomez@gmail.com>
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r=GuillaumeGomez
Improve handling of rustdoc lints when used with raw doc fragments.
1. `rustdoc::bare_urls` no longer outputs incoherent suggestions if `source_span_for_markdown_range` returns None, instead outputting no suggestion
2. `source_span_for_markdown_range` has one more heuristic, so it will return `None` less often.
3. add ui test to make sure we don't emit nonsense suggestions.
fixes https://github.com/rust-lang/rust/issues/135851
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1. rustdoc::bare_urls doesn't output
invalid suggestions if source_span_for_markdown_range
fails to find a span
2. source_span_for_markdown_range tries harder to
return a span by applying an additional diagnostic
fixes https://github.com/rust-lang/rust/issues/135851
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It was added in #140052, but the subsequent changes in #140252 means it
is no longer necessary. (Indeed, `Ident`s cannot be empty any more.)
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All uses have been removed. And it's nonsensical: an identifier by
definition has at least one char.
The commits adds an is-non-empty assertion to `Ident::new` to enforce
this, and converts some `Ident` constructions to use `Ident::new`.
Adding the assertion requires making `Ident::new` and
`Ident::with_dummy_span` non-const, which is no great loss.
The commit amends a couple of places that do path splitting to ensure no
empty identifiers are created.
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Follow up https://github.com/rust-lang/rust/pull/127127
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Stabilize flags for doctest cross compilation
This makes the following changes in preparation for supporting doctest cross-compiling in cargo:
- Renames `--runtool` and `--runtool-arg` to `--test-runtool` and `--test-runtool-arg` to maintain consistency with other `--test-*` arguments.
- Stabilizes the `--test-runtool` and `--test-runtool-arg`. These are needed in order to support cargo's `target.runner` option which specifies a runner to execute a cross-compiled doctest (for example, qemu).
- Stabilizes the `--enable-per-target-ignores` flag by removing it and making it unconditionally enabled. This makes it possible to disable a doctest on a per-target basis, which I think will be helpful for rolling out this feature.
These changes were suggested in https://rust-lang.zulipchat.com/#narrow/channel/266220-t-rustdoc/topic/stabilizing.20doctest.20xcompile/near/409281127
The intent is to stabilize the doctest-xcompile feature in cargo. This will help ensure that for projects that do cross-compile testing that their doctests are also covered. Currently there is a somewhat surprising behavior that they are ignored.
Closes https://github.com/rust-lang/rust/issues/64245
try-job: x86_64-msvc-1
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Because all the other similar methods are on `AssocItem`.
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GuillaumeGomez:rustdoc-hidden-stripper-improvement, r=camelid
Small code improvement in rustdoc hidden stripper
This is a very minor code improvement following https://github.com/rust-lang/rust/pull/137534. It doesn't change anything about the performance issue.
r? ```@notriddle```
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This removes the `--enable-per-target-ignores` and enables it
unconditionally.
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The `Item` struct is 48 bytes and contains a `Box<ItemInner>`;
`ItemInner` is 104 bytes. This is an odd arrangement. Normally you'd
have one of the following.
- A single large struct, which avoids the allocation for the `Box`, but
can result in lots of wasted space in unused parts of a container like
`Vec<Item>`, `HashSet<Item>`, etc.
- Or, something like `struct Item(Box<ItemInner>)`, which requires the
`Box` allocation but gives a very small Item size, which is good for
containers like `Vec<Item>`.
`Item`/`ItemInner` currently gets the worst of both worlds: it always
requires a `Box`, but `Item` is also pretty big and so wastes space in
containers. It would make sense to push it in one direction or the
other. #138916 showed that the first option is a regression for rustdoc,
so this commit does the second option, which improves speed and reduces
memory usage.
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`hir::Item` has an `ident` field.
- It's always non-empty for these item kinds: `ExternCrate`, `Static`,
`Const`, `Fn`, `Macro`, `Mod`, `TyAlias`, `Enum`, `Struct`, `Union`,
Trait`, TraitAalis`.
- It's always empty for these item kinds: `ForeignMod`, `GlobalAsm`,
`Impl`.
- For `Use`, it is non-empty for `UseKind::Single` and empty for
`UseKind::{Glob,ListStem}`.
All of this is quite non-obvious; the only documentation is a single
comment saying "The name might be a dummy name in case of anonymous
items". Some sites that handle items check for an empty ident, some
don't. This is a very C-like way of doing things, but this is Rust, we
have sum types, we can do this properly and never forget to check for
the exceptional case and never YOLO possibly empty identifiers (or
possibly dummy spans) around and hope that things will work out.
The commit is large but it's mostly obvious plumbing work. Some notable
things.
- A similar transformation makes sense for `ast::Item`, but this is
already a big change. That can be done later.
- Lots of assertions are added to item lowering to ensure that
identifiers are empty/non-empty as expected. These will be removable
when `ast::Item` is done later.
- `ItemKind::Use` doesn't get an `Ident`, but `UseKind::Single` does.
- `lower_use_tree` is significantly simpler. No more confusing `&mut
Ident` to deal with.
- `ItemKind::ident` is a new method, it returns an `Option<Ident>`. It's
used with `unwrap` in a few places; sometimes it's hard to tell
exactly which item kinds might occur. None of these unwraps fail on
the test suite. It's conceivable that some might fail on alternative
input. We can deal with those if/when they happen.
- In `trait_path` the `find_map`/`if let` is replaced with a loop, and
things end up much clearer that way.
- `named_span` no longer checks for an empty name; instead the call site
now checks for a missing identifier if necessary.
- `maybe_inline_local` doesn't need the `glob` argument, it can be
computed in-function from the `renamed` argument.
- `arbitrary_source_item_ordering::check_mod` had a big `if` statement
that was just getting the ident from the item kinds that had one. It
could be mostly replaced by a single call to the new `ItemKind::ident`
method.
- `ItemKind` grows from 56 to 64 bytes, but `Item` stays the same size,
and that's what matters, because `ItemKind` only occurs within `Item`.
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`librustdoc`: clippy fixes
First commit is all machine-generated fixes,
next two are some more lints fixed by hand/misc. cleanups
Inspired by the redundant `.and_then()` added in https://github.com/rust-lang/rust/pull/137320 , and [this comment](https://github.com/rust-lang/rust/pull/138090#discussion_r1983111856)
r? ```@GuillaumeGomez```
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Rollup of 17 pull requests
Successful merges:
- #137827 (Add timestamp to unstable feature usage metrics)
- #138041 (bootstrap and compiletest: Use `size_of_val` from the prelude instead of imported)
- #138046 (trim channel value in `get_closest_merge_commit`)
- #138053 (Increase the max. custom try jobs requested to `20`)
- #138061 (triagebot: add a `compiler_leads` ad-hoc group)
- #138064 (Remove - from xtensa targets cpu names)
- #138075 (Use final path segment for diagnostic)
- #138078 (Reduce the noise of bootstrap changelog warnings in --dry-run mode)
- #138081 (Move `yield` expressions behind their own feature gate)
- #138090 (`librustdoc`: flatten nested ifs)
- #138092 (Re-add `DynSend` and `DynSync` impls for `TyCtxt`)
- #138094 (a small borrowck cleanup)
- #138098 (Stabilize feature `const_copy_from_slice`)
- #138103 (Git ignore citool's target directory)
- #138105 (Fix broken link to Miri intrinsics in documentation)
- #138108 (Mention me (WaffleLapkin) when changes to `rustc_codegen_ssa` occur)
- #138117 ([llvm/PassWrapper] use `size_t` when building arg strings)
r? `@ghost`
`@rustbot` modify labels: rollup
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[rustdoc] hide item that is not marked as doc(inline) and whose src is doc(hidden)
Part of #137342
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Get rid of the `Captures` hack
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doc(hidden)
Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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The end goal is to eliminate `Map` altogether.
I added a `hir_` prefix to all of them, that seemed simplest. The
exceptions are `module_items` which became `hir_module_free_items` because
there was already a `hir_module_items`, and `items` which became
`hir_free_items` for consistency with `hir_module_free_items`.
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Correctly escape hashtags when running `invalid_rust_codeblocks` lint
Fixes #136899.
We forgot to use `map_line` when we wrote this lint.
r? ``@notriddle``
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it-self → itself, build-system → build system, type-alias → type alias
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tree-wide: parallel: Fully removed all `Lrc`, replaced with `Arc`
tree-wide: parallel: Fully removed all `Lrc`, replaced with `Arc`
This is continuation of https://github.com/rust-lang/rust/pull/132282 .
I'm pretty sure I did everything right. In particular, I searched all occurrences of `Lrc` in submodules and made sure that they don't need replacement.
There are other possibilities, through.
We can define `enum Lrc<T> { Rc(Rc<T>), Arc(Arc<T>) }`. Or we can make `Lrc` a union and on every clone we can read from special thread-local variable. Or we can add a generic parameter to `Lrc` and, yes, this parameter will be everywhere across all codebase.
So, if you think we should take some alternative approach, then don't merge this PR. But if it is decided to stick with `Arc`, then, please, merge.
cc "Parallel Rustc Front-end" ( https://github.com/rust-lang/rust/issues/113349 )
r? SparrowLii
`@rustbot` label WG-compiler-parallel
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the unstable module name is used
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Co-authored-by: Guillaume Gomez <guillaume1.gomez@gmail.com>
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This ensures `std::intrinsics::transmute` is deemphasized
in the search engine and other UI, by cleaning it into a deprecation
without propagating it through reexports when the parent module
is stable.
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