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Particularly when constructing file paths and fully qualified paths.
This avoids a lot of allocations, speeding things up on almost all
examples.
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It was previously defined in `render::search_index` but wasn't used at
all there. `clean::types` seems like a better fit since that's where
`ExternalCrate` is defined.
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Based on
https://github.com/rust-lang/rust/pull/80883#issuecomment-774437832.
The `tcx` parameters do seem to be used though, so I only removed the
`cache` parameters.
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The old name wasn't very clear, while the new one makes it clear that
this is the code responsible for creating the search index.
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At last! The new name is shorter, simpler, and consistent with
`hir::Ty`.
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I would like to rename it to `Type::Path`, but then it can't be
re-exported since the name would conflict with the `Path` struct.
Usually enum variants are referred to using their qualified names in
Rust (and parts of rustdoc already do that with `clean::Type`), so this
is also more consistent with the language.
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It populates `cx.cache.access_levels`, which seems to be needed during
cleaning since a bunch of tests are failing.
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This will allow removing `Crate.externs`.
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rustdoc: use Type::def_id() instead of Type::def_id_no_primitives()
For: #90187
r? `@jyn514`
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Type inference for inline consts
Fixes #78132
Fixes #78174
Fixes #81857
Fixes #89964
Perform type checking/inference of inline consts in the same context as the outer def, similar to what is currently done to closure.
Doing so would require `closure_base_def_id` of the inline const to return the outer def, and since `closure_base_def_id` can be called on non-local crate (and thus have no HIR available), a new `DefKind` is created for inline consts.
The type of the generated anon const can capture lifetime of outer def, so we couldn't just use the typeck result as the type of the inline const's def. Closure has a similar issue, and it uses extra type params `CK, CS, U` to capture closure kind, input/output signature and upvars. I use a similar approach for inline consts, letting it have an extra type param `R`, and then `typeof(InlineConst<[paremt generics], R>)` would just be `R`. In borrowck region requirements are also propagated to the outer MIR body just like it's currently done for closure.
With this PR, inline consts in expression position are quitely usable now; however the usage in pattern position is still incomplete -- since those does not remain in the MIR borrowck couldn't verify the lifetime there. I have left an ignored test as a FIXME.
Some disucssions can be found on [this Zulip thread](https://rust-lang.zulipchat.com/#narrow/stream/260443-project-const-generics/topic/inline.20consts.20typeck).
cc `````@spastorino````` `````@lcnr`````
r? `````@nikomatsakis`````
`````@rustbot````` label A-inference F-inline_const T-compiler
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The `ImplKind` methods can just be used directly instead.
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This change has two advantages:
1. It makes the possible states clearer, and it makes it impossible to
construct invalid states, such as a blanket impl that is also an auto
trait impl.
2. It shrinks the size of `Impl` a bit, since now there is only one
field, rather than two.
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Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
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rustdoc: Remove `GetDefId`
See the individual commit messages for details.
r? `@jyn514`
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It should be preferred over `def_id_no_primitives()`, so it should have
a shorter name. I also put it before `def_id_no_primitives()` so that it
shows up first in the docs.
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In general, it should be preferred over `Type::def_id()`. See each
method's docs for more.
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Now that it's only implemented for `Type`, using inherent methods
instead means that imports are no longer necessary. Also, `GetDefId` is
only meant to be used with `Type`, so it shouldn't be a trait.
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rustdoc: Cleanup various `clean` types
Cleanup various `clean` types.
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By adding #![doc(cfg_hide(foobar))] to the crate attributes the cfg
#[cfg(foobar)] (and _only_ that _exact_ cfg) will not be implicitly
treated as a doc(cfg) to render a message in the documentation.
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It should only ever be a `ResolvedPath`, so this (a) enforces that, and
(b) reduces the size of `Impl`.
I had to update a test because the order of the rendered auto trait impl
bounds changed. I think the order changed because rustdoc sorts auto
trait bounds using their `Debug` output.
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rustdoc: Cleanup `clean` part 1
Split out from #88379.
These commits are completely independent of each other, and each is a fairly
small change (the last few are new commits; they are not from #88379):
- Remove unnecessary `Cache.*_did` fields
- rustdoc: Get symbol for `TyParam` directly
- Create a valid `Res` in `external_path()`
- Remove unused `hir_id` parameter from `resolve_type`
- Fix redundant arguments in `external_path()`
- Remove unnecessary `is_trait` argument
- rustdoc: Cleanup a pattern match in `external_generic_args()`
r? ``@jyn514``
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- Fix broken handling of primitive associated items
- Remove fragment hack
Fixes 83083
- more logging
- Update CrateNum hacks
The CrateNum has no relation to where in the dependency tree the crate
is, only when it's loaded. Explicitly special-case core instead of
assuming it will be the first DefId.
- Update and add tests
- Cache calculation of primitive locations
This could possibly be avoided by passing a Cache into
collect_intra_doc_links; but that's a much larger change, and doesn't
seem valuable other than for this.
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They can be obtained by accessing the `TyCtxt` where they are needed.
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but add a way to opt-in to the previous behavior
## What is an HTML root url?
It tells rustdoc where it should link when documentation for a crate is
not available locally; for example, when a crate is a dependency of a
crate documented with `cargo doc --no-deps`.
## What is the difference between `html_root_url` and `--extern-html-root-url`?
Both of these tell rustdoc what the HTML root should be set to.
`doc(html_root_url)` is set by the crate author, while
`--extern-html-root-url` is set by the person documenting the crate.
These are often different. For example, docs.rs uses
`--extern-html-root-url https://docs.rs/crate-name/version` to ensure
all crates have documentation, even if `html_root_url` is not set.
Conversely, crates such as Rocket set `doc(html_root_url =
"https://api.rocket.rs")`, because they prefer users to view the
documentation on their own site.
Crates also set `html_root_url` to ensure they have
documentation when building locally when offline. This is unfortunate to
require, because it's more work from the library author. It also makes
it impossible to distinguish between crates that want to be viewed on a
different site (e.g. Rocket) and crates that just want documentation to
be visible offline at all (e.g. Tokio). I have authored a separate
change to the API guidelines to no longer recommend doing this:
https://github.com/rust-lang/api-guidelines/pull/230.
## Why change the default?
In the past, docs.rs has been the main user of `--extern-html-root-url`.
However, it's useful for other projects as well. In particular, Cargo
wants to pass it by default when running `--no-deps`
(https://github.com/rust-lang/cargo/issues/8296).
Unfortunately, for these other use cases, the priority order is
inverted. They want to give *precedence* to the URL the crate picks, and
only fall back to the `--extern-html-root` if no `html_root_url` is
present. That allows passing `--extern-html-root` unconditionally,
without having to parse the source code to see what attributes are
present.
For docs.rs, however, we still want to keep the old behavior, so that
all links on docs.rs stay on the site.
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(clippy::useless_conversion)
Example:
let _x: String = String::from("hello world").into();
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It can be found from ExternalCrate.
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This reverts commit 41a345d4c46dad1a98c9993bc78513415994e8ba.
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Properly render HRTBs
```rust
pub fn test<T>()
where
for<'a> &'a T: Iterator,
{}
```
This will now render properly including the `for<'a>`
I do not know if this covers all cases, it only covers everything that I could think of that includes `for` and lifetimes in where bounds.
Also someone need to mentor me on how to add a proper rustdoc test for this.
Resolves #78482
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Commit e629381653bb3579f0cea0b256e391edef5e8dbb removes the only place
these members variables are actually read.
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objects
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Before:
After:
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