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r=GuillaumeGomez,notriddle
If a trait item appears in rustdoc search, hide the corrosponding impl items
fixes rust-lang/rust#138251
cc `@notriddle`
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for example, if we're showing `Iterator::next`,
we don't need to also show `Range::next` in the results.
Co-authored-by: Michael Howell <michael@notriddle.com>
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Extend `QueryStability` to handle `IntoIterator` implementations
This PR extends the `rustc::potential_query_instability` lint to check values passed as `IntoIterator` implementations.
Full disclosure: I want the lint to warn about this line (please see #138871 for why): https://github.com/rust-lang/rust/blob/aa8f0fd7163a2f23aa958faed30c9c2b77b934a5/src/librustdoc/json/mod.rs#L261
However, the lint warns about several other lines as well.
Final note: the functions `get_callee_generic_args_and_args` and `get_input_traits_and_projections` were copied directly from [Clippy's source code](https://github.com/rust-lang/rust/blob/4fd8c04da0674af2c51310c9982370bfadfa1b98/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs#L445-L496).
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Fix adjacent code
Fix duplicate warning; merge test into `tests/ui-fulldeps/internal-lints`
Use `rustc_middle::ty::FnSig::inputs`
Address two review comments
- https://github.com/rust-lang/rust/pull/139345#discussion_r2109006991
- https://github.com/rust-lang/rust/pull/139345#discussion_r2109058588
Use `Instance::try_resolve`
Import `rustc_middle::ty::Ty` as `Ty` rather than `MiddleTy`
Simplify predicate handling
Add more `#[allow(rustc::potential_query_instability)]` following rebase
Remove two `#[allow(rustc::potential_query_instability)]` following rebase
Address review comment
Update compiler/rustc_lint/src/internal.rs
Co-authored-by: lcnr <rust@lcnr.de>
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This reverts commit 1140e90074b0cbcfdea8535e4b51877e2838227e.
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This reverts commit 5e8ebd5ecd8546591a6707ac9e1a3b8a64c72f76.
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This makes the minimal fixes necessary for rustdoc to compile and pass
existing tests with the switch to `MacroKinds`. It only works for macros
that don't actually have multiple kinds, and will panic (with a `todo!`)
if it encounters a macro with multiple kinds.
rustdoc needs further fixes to handle macros with multiple kinds, and to
handle attributes and derive macros that aren't proc macros.
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r=GuillaumeGomez
rustdoc search: prefer stable items in search results
fixes https://github.com/rust-lang/rust/issues/138067
this does add a new field to the search index, but since we're only listing unstable items instead of adding a boolean flag to every item, it should only increase the search index size of sysroot crates, since those are the only ones using the `staged_api` feature, at least as far as the rust project is concerned.
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There are many places that join path segments with `::` to produce a
string. A lot of these use `join("::")`. Many in rustdoc use
`join_with_double_colon`, and a few use `.joined("..")`. One in Clippy
uses `itertools::join`. A couple of them look for `kw::PathRoot` in the
first segment, which can be important.
This commit introduces `rustc_ast::join_path_{syms,ident}` to do the
joining for everyone. `rustc_ast` is as good a location for these as
any, being the earliest-running of the several crates with a `Path`
type. Two functions are needed because `Ident` printing is more complex
than simple `Symbol` printing.
The commit also removes `join_with_double_colon`, and
`estimate_item_path_byte_length` with it.
There are still a handful of places that join strings with "::" that are
unchanged. They are not that important: some of them are in tests, and
some of them first split a path around "::" and then rejoin with "::".
This fixes one test case where `{{root}}` shows up in an error message.
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We only called it it one place, which isn't generic and can be replaced
with a field access.
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By making `JsonRenderer::item` take `&clean::Item` instead of a
`clean::Item`. This required also changing `FromClean` and `IntoJson`
methods to take references, which required a lot of follow-on sigil
wrangling that is mostly tedious.
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fixes https://github.com/rust-lang/rust/issues/138067
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- It doesn't need to be cloneable.
- Some of the `Rc`s and `RefCell`s aren't doing anything.
- `after_krate` can consume `self`.
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make `rustc_attr_parsing` less dominant in the rustc crate graph
It has/had a glob re-export of `rustc_attr_data_structures`, which is a crate much lower in the graph, and a lot of crates were using it *just* (or *mostly*) for that re-export, while they can rely on `rustc_attr_data_structures` directly.
Previous graph:
Graph with this PR:
The first commit keeps the re-export, and just changes the dependency if possible. The second commit is the "breaking change" which removes the re-export, and "explicitly" adds the `rustc_attr_data_structures` dependency where needed. It also switches over some src/tools/*.
The second commit is actually a lot more involved than I expected. Please let me know if it's a better idea to back it out and just keep the first commit.
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rustdoc: Rearrange `Item`/`ItemInner`.
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.
r? `@GuillaumeGomez`
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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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There are a number of `is_empty` checks that can never fail. This commit
removes them.
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the unstable module name is used
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This accomplishes something like 16a4ad7d7b0d163f7be6803c786c3b83d42913bb,
but with the `rustc_allowed_through_unstable_modules` attribute instead
of the path length.
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r=GuillaumeGomez
rustdoc: use shorter paths as preferred canonical paths
This is a solution to [the `std::sync::poison` linking problem](https://github.com/rust-lang/rust/pull/134692#issuecomment-2560373308), and, in general, makes intra-doc links shorter and clearer.
> Done. This helped with the search, but not with the things like `MutexGuard`'s doc's reference to `Mutex::lock` being converted to the absolute (unstable) `std::sync::poison::Mutex` path.
cc `@tgross35`
r? `@GuillaumeGomez`
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This is a solution to the `std::sync::poison` linking problem,
and, in general, makes intra-doc links shorter and clearer.
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`FormatRenderer::make_child_renderer` into `save_module_data`
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Don't keep the `external_traits` as shared mutable data between the
`DocContext` and `clean::Crate`. Instead, move the data over when necessary.
This allows us to get rid of a borrowck hack in the `DocVisitor`.
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r=GuillaumeGomez
Remove `#[macro_use] extern crate tracing` from rustdoc and rustfmt
A follow-up to #129767 and earlier PRs doing this for `rustc_*` crates.
r? ```@GuillaumeGomez```
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