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duncanawoods/18955---fix-running-tests-for-packages-with-multiple-targets
fix testing packages with multiple targets
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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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Rollup of 7 pull requests
Successful merges:
- #133870 (Stabilize `asm_goto` feature gate)
- #137449 (Denote `ControlFlow` as `#[must_use]`)
- #137465 (mir_build: Avoid some useless work when visiting "primary" bindings)
- #138349 (Emit function declarations for functions with `#[linkage="extern_weak"]`)
- #138412 (Install licenses into `share/doc/rust/licenses`)
- #138577 (rustdoc-json: Don't also include `#[deprecated]` in `Item::attrs`)
- #138588 (Avoid double lowering of idents)
Failed merges:
- #138321 ([bootstrap] Distribute split debuginfo if present)
r? `@ghost`
`@rustbot` modify labels: rollup
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Shourya742:2025-02-15-change-config.toml-to-bootstrap.toml, r=onur-ozkan,jieyouxu,kobzol
change config.toml to bootstrap.toml
Currently, both Bootstrap and Cargo uses same name as their configuration file, which can be confusing. This PR is based on a discussion to rename `config.toml` to `bootstrap.toml` for Bootstrap. Closes: https://github.com/rust-lang/rust/issues/126875.
I have split the PR into atomic commits to make it easier to review. Once the changes are finalized, I will squash them. I am particularly concerned about the changes made to modules that are not part of Bootstrap. How should we handle those changes? Should we ping the respective maintainers?
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Denote `ControlFlow` as `#[must_use]`
I've repeatedly hit bugs in the compiler due to `ControlFlow` not being marked `#[must_use]`. There seems to be an accepted ACP to make the type `#[must_use]` (https://github.com/rust-lang/libs-team/issues/444), so this PR implements that part of it.
Most of the usages in the compiler that trigger this new warning are "root" usages (calling into an API that uses control-flow internally, but for which the callee doesn't really care) and have been suppressed by `let _ = ...`, but I did legitimately find one instance of a missing `?` and one for a never-used `ControlFlow` value in #137448.
Presumably this needs an FCP too, so I'm opening this and nominating it for T-libs-api.
This PR also touches the tools (incl. rust-analyzer), but if this went into FCP, I'd split those out into separate PRs which can land before this one does.
r? libs-api
`@rustbot` label: T-libs-api I-libs-api-nominated
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davidbarsky/davidbarsky/run-lru-at-end-of-analysis-stats
analysis-stats: run Salsa's LRU at the end of analysis
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chore: Bump `Edition::CURRENT` to 2024
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fix: Fix stale `Building CrateGraph` report
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Stablize anonymous pipe
Since #135822 is staled, I create this PR to stablise anonymous pipe
Closes #127154
try-job: test-various
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GuillaumeGomez:proc-macro_add_value_retrieval_methods, r=Amanieu
Add `*_value` methods to proc_macro lib
This is the implementation of https://github.com/rust-lang/libs-team/issues/459.
It allows to get the actual value (unescaped) of the different string literals.
Part of https://github.com/rust-lang/rust/issues/136652.
r? libs-api
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fix(codegen): do not generate docs with `--check`
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doc: add doc to proc-macro-api
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Running `cargo codegen --check` should not generate any mdbook files,
since they are ignored in the repo and used only while releasing a new
copy of the documentation.
Signed-off-by: Prajwal S N <prajwalnadig21@gmail.com>
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It determines if a function should have any `inline` attributes checked.
For `ItemKind::Fn` it returns true or false depending on the details of
the function; for anything other item kind it returns *true*. This
latter case should instead be *false*. (In the nearby and similar
functions `is_relevant_impl` and `is_relevant_trait` the non-function
cases return false.)
The effect of this is that non-functions are no longer checked. But
rustc already disallows `inline` on any non-function items. So if
anything its a tiny performance win, because that was useless anyway.
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minor: Use cargo nextest on CI
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internal: Render root syntax contexts more clearly
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display varargs in completion detail
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Add icons to views
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Preparation to Return Type Notation (RTN)
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linkchecker: bump html5ever
Bumping html5ever to 0.28 required small refactoring, see https://github.com/servo/html5ever/pull/548
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