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r=nnethercote
Avoid a few more allocations in `write_shared.rs`
Inspired by rust-lang/rust#141421 , avoids a few `Vec`, `PathBuf` and `String` allocations in `write_shared.rs`. I don't think these will show up on benchmarks, but are still worthwhile IMHO.
Also includes a few small cleanups.
r? nnethercote - if you'd like :)
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- `convert_static` -> `from_clean_static`
- `from_function` -> `from_clean_function`
To match the pre-existing `from_clean_item` and `FromClean::from_clean`.
I left `JsonRenderer::convert_item` unchanged because it's a bit
different.
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The `FromClean` trait is used a lot for converting to rustdoc-json
format. But it's not used universally; there are still some ad hoc
functions and methods for converting. This commit fixes this
inconsistency by using `FromClean` more.
The commit also introduces `FromClean` for `Box` and `Option`. This lets
a lot of `as_ref` and `map` calls be removed in favour of simple
`into_json` calls.
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It's just replicating exactly what is done by `<Vec<GenericParamDef> as
FromClean>::into_json`
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We currently have both `FromClean<clean::Constant> for Constant` and
`FromClean<clean::ConstantKind> for Constant` which are basically
identical, but the former is unused.
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LHolten/better-docs-for-exclude-imports-in-symbol-search
Add better documentation for excluding imports from symbol search
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Extend `or_fun_call` lint with new checks for Option::get_or_insert,
Result::map_or.
changelog: [`or_fun_call`]: lint more methods
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internal: Utilize `cargo check --compile-time-deps`
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r=saethlin
Rename `LayoutS` to `LayoutData` in comments
`LayoutS` was renamed to `LayoutData`, but some comments in the compiler were not changed. This updates comments in the compiler (and one section of commented-out code in rust-analyzer) to refer to `LayoutData` instead of `LayoutS`.
cc <https://github.com/rust-lang/rust/pull/132252>, `@workingjubilee`
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r=Manishearth,Urgau
Add diagnostic items for Clippy
Clippy still uses some paths to access items from the standard library. Adding the missing diagnostic items allows removing the last remaining paths.
Closes rust-lang/rust-clippy#5393
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fix(linkcheck): Build using the lockfile
This is to unblock cargo from servo/html5ever#623
I ran `linkcheck.sh` locally and it now works
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rustdoc_json: improve handling of generic args
This PR fixes some inconsistencies and inefficiencies in how generic args are handled by rustdoc-json-types.
r? `@aDotInTheVoid`
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They show up in three places: once as `Option<Box<GenericArgs>>`, once
as `Box<GenericArgs>`, and once as `GenericArgs`. The first option is
best. It is more compact because generic args are often missing. This
commit changes the latter two to the former.
Example output, before and after, for the `AssocItemConstraint` change:
```
{"name":"Offset","args":{"angle_bracketed":{"args":[],"constraints":[]}},"binding":{...}}
{"name":"Offset","args":null,"binding":{...}}
```
Example output, before and after, for the `Type::QualifiedPath` change:
```
{"qualified_path":{"name":"Offset","args":{"angle_bracketed":{"args":[],"constraints":[]}}, ...}}
{"qualified_path":{"name":"Offset","args":null, ...}}
```
This reduces JSON output size, but not by much (e.g. 0.5%), because
`AssocItemConstraint` and `Type::QualifiedPath` are uncommon.
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As per the previous commit, generic args here can only appear on the
final segment. So make the comments obey that constraint.
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A path without generic args, like `Reader`, currently has JSON produced
like this:
```
{"path":"Reader","id":286,"args":{"angle_bracketed":{"args":[],"constraints":[]}}}
```
Even though `types::Path::args` is `Option` and allows for "no args",
instead it gets represented as "empty args". (More like `Reader<>` than
`Reader`.)
This is due to a problem in `clean::Path::from_clean`. It only produces
`None` if the path is an empty string. This commit changes it to also
produce `None` if there are no generic args. The example above becomes:
```
{"path":"Reader","id":286,"args":null}
```
I looked at a few examples and saw this reduce the size of the JSON
output by 3-9%.
The commit also adds an assertion that non-final segments don't have any
generics; something the old code was implicitly relying on.
Note: the original sin here is that `clean::PathSegment::args` is not an
`Option`, unlike `{ast,hir}::PathSegment::args`. I want to fix that, but
it can be done separately.
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A lot of these are large! Lots of room for improvement in the future.
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Add CI check to ensure that rustdoc JSON `FORMAT_VERSION` is correctly updated
Follow-up of https://github.com/rust-lang/rust/pull/142601.
Tested it locally with: `BASE_COMMIT=1bb335244c311a07cee165c28c553c869e6f64a9 src/ci/docker/host-x86_64/mingw-check-1/validate-rustdoc-json-format-version-update.sh` (where `BASE_COMMIT` value was the commit before I made a wrong change with the `FORMAT_VERSION` update).
This is a first version. I plan to send a follow-up to also ensure that `FORMAT_VERSION` is updated if any code change is done in `rustdoc-json-types`. For that I just need to check that a line not starting with `/` and not an empty line was updated. Fun times with `grep` ahead. :')
cc `@aDotInTheVoid`
r? `@nnethercote`
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Bringing `rustc_rayon_core` in tree as `rustc_thread_pool`
This PR moves [`rustc_rayon_core`](https://github.com/rust-lang/rustc-rayon/tree/5fadf44/rayon-core) from commit `5fadf44` as suggested in [this zulip thread](https://rust-lang.zulipchat.com/#narrow/channel/187679-t-compiler.2Fparallel-rustc/topic/Bringing.20.60rustc_rayon_core.60.20in.20tree). I tried to split the work into separate commits so it is easy to review. The first commit is a simple copy and paste from the fork, and subsequent changes were made to use the new crate and to ensure the new crate complies with different format and lint expectations.
**Call-out:** I was also wondering if I need to make any further changes to accommodate licensing requirements.
r? oli-obk
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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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Co-authored-by: Oli Scherer <github35764891676564198441@oli-obk.de>
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Some symbol and PathRoot cleanups
I'm looking into unifying how we join and print paths. Here are some preliminary cleanups.
r? ``@petrochenkov``
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Convert `ilog(10)` to `ilog10()`
Except in tests, convert `integer.ilog(10)` to `integer.ilog10()` for better speed and to provide better examples of code that efficiently counts decimal digits. I couldn't find any instances of `integer.ilog(2)`.
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Make sure to rebuild rustdoc if `src/rustdoc-json-types` is changed
I think `rustdoc-json-types` was more recently split out, so this download-rustc logic became outdated as it wasn't tracked. This PR adds `src/rustdoc-json-types` to be tracked for difference versus upstream, so that we properly rebuild rustdoc if it has changes versus upstream.
Fixes rust-lang/rust#142738.
### Local testing
This is not so easy to test locally because it requires download-rustc. To test this, you need to:
1. Disable `download-rustc` inhibition from bootstrap changes versus upstream, by including `:!src/bootstrap` in https://github.com/rust-lang/rust/blob/255aa220821c05c3eac7605fce4ea1c9ab2cbdb4/src/bootstrap/src/core/config/config.rs#L67-L74.
2. Then, use a config like `profile = "tools"` which by default uses `download-rustc = "if-unchanged"`.
3. Run `./x test tests/rustdoc-json` one time, to "prime" initial build caches.
4. Change the `FORMAT_VERSION` in `src/rustdoc-json-types`, i.e.
```diff
diff --git a/src/rustdoc-json-types/lib.rs b/src/rustdoc-json-types/lib.rs
index 1f93895ae07..72a3720c7b4 100644
--- a/src/rustdoc-json-types/lib.rs
+++ b/src/rustdoc-json-types/lib.rs
``@@`` -38,7 +38,7 ``@@``
// are deliberately not in a doc comment, because they need not be in public docs.)
//
// Latest feature: Pretty printing of inline attributes changed
-pub const FORMAT_VERSION: u32 = 48;
+pub const FORMAT_VERSION: u32 = 666;
```
5. Observe that without this patch, `rustdoc-json` tests fail because `FORMAT_VERSION` mismatch. Observe that with this patch, rustdoc gets properly rebuilt and `rustdoc-json` tests pass.
cc ``@aDotInTheVoid``
r? Kobzol
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rustc-dev-guide subtree update
r? ``@ghost``
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r=GuillaumeGomez
De-dup common code from `ExternalCrate` methods
Also, return an `impl Iterator` instead of collecting into a `Vec`. Not sure if that'll have a measurable perf impact, but I think this PR still cleans up the two methods it touches quite nicely.
(I'm having trouble finding a name for the common method I extracted, currently called `foobar`, would love suggestions!)
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correct template for `#[align]` attribute
Tracking issue: https://github.com/rust-lang/rust/issues/82232
related: https://github.com/rust-lang/rust/pull/142507
I didn't fully understand what `template!` did, clearly. An empty `#[align]` attribute was still rejected later, but without this change it does get suggested in certain cases.
I've also updated some outdated references to `#[repr(align)]` on functions.
r? ``@jdonszelmann``
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Add config builder for bootstrap tests
I started writing a bunch of snapshot tests for build/check steps, and quickly realized that the current interface for defining them won't be enough, so I created a simple builder, which can scale to pretty much any kind of configuration in the future.
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rustdoc: Remove `FormatRenderer::cache`
We only called it it one place, which isn't generic and can be replaced with a field access.
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Refactor Translator
My main motivation was to simplify the usage of `SilentEmitter` for users like rustfmt. A few refactoring opportunities arose along the way.
* Replace `Translate` trait with `Translator` struct
* Replace `Emitter: Translate` with `Emitter::translator`
* Split `SilentEmitter` into `FatalOnlyEmitter` and `SilentEmitter`
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r=lolbinarycat
Fix random failure when JS code is executed when the whole file was not read yet
Very randomly (and rarely), when I arrived on a page with `?search=something` in the URL, I got this error:
Moving the `initSearch` function at the bottom to ensure everything has been loaded fixes the issue.
PS: Sorry for the noise. Pushed to the wrong branch and https://github.com/rust-lang/rust/pull/142496 closed. ><
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Only emit git errors if we are in CI environment
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This is to unblock cargo from servo/html5ever#623
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