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don't clone types that are Copy (clippy::clone_on_copy)
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Change more x64 size checks to not apply to x32.
Commit 95e096d6 changed a bunch of size checks already, but more have
been added, so this fixes the new ones the same way: the various size
checks that are conditional on target_arch = "x86_64" were not intended
to apply to x86_64-unknown-linux-gnux32, so add
target_pointer_width = "64" to the conditions.
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Local variables can never be exported.
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r=GuillaumeGomez
Workaround blink/chromium grid layout limitation of 1000 rows
I made this in case we don't come up with a better solution in time.
See https://github.com/rust-lang/rust/issues/88545 for more details.
A rendered version of the standard library is hosted here:
https://data.estada.ch/rustdoc-nightly_497ee321af_2021-09-09/core/arch/arm/index.html
r? `@GuillaumeGomez` `@jsha`
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Fix table in docblocks
"Overwrite" of #88702.
Instead of adding a z-index to the sidebar (which only hides the issue, doesn't fix it), I wrap `<table>` elements inside a `<div>` and limit all chidren of `.docblock` elements' width to prevent having the scrollbar on the whole doc block.
Thanks `@nbdd0121` for `overflow-x: auto;`. ;)
r? `@notriddle`
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r=Manishearth
Rustdoc coverage fields count
Follow-up of #88688.
Instead of requiring enum tuple variant fields and tuple struct fields to be documented, we count them if they are documented, otherwise we don't include them in the count.
r? `@Manishearth`
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rustdoc: Fix ICE with `doc(hidden)` on tuple variant fields
Fixes #88600.
```rust
pub struct H;
pub struct S;
pub enum FooEnum {
HiddenTupleItem(#[doc(hidden)] H),
MultipleHidden(#[doc(hidden)] H, #[doc(hidden)] H),
MixedHiddenFirst(#[doc(hidden)] H, S),
MixedHiddenLast(S, #[doc(hidden)] H),
HiddenStruct {
#[doc(hidden)]
h: H,
s: S,
},
}
```
Generates
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Fix issues with Markdown summary options
- Use `summary_opts()` for Markdown summaries
- Enable all main body Markdown options for summaries
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struct fields.
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They can be obtained by accessing the `TyCtxt` where they are needed.
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See https://github.com/rust-lang/rust/issues/88545 for more details
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Split rustc_mir
The `rustc_mir` crate is the second largest in the compiler.
This PR splits it up into 5 crates:
- rustc_borrowck;
- rustc_const_eval;
- rustc_mir_dataflow;
- rustc_mir_transform;
- rustc_monomorphize.
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Rustdoc: Report Layout of enum variants
Followup of #83501, Fixes #86253.
cc `@camelid`
`@rustbot` label A-rustdoc
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`rustdoc`: compute correct line number for indented rust code blocks.
This PR fixes a bug in `rustdoc` where it computes the wrong line number for indented rust code blocks (and subsequent blocks) it finds in markdown strings. To fix this issue, we decrement the line number if we find characters between the code block and the preceding line ending. I noticed this issue as I was trying to use `rustdoc` to extract examples from The Rust Reference and run them through the [Rust Model Checker](https://github.com/model-checking/rmc).
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this also renders them as `_`, which rustdoc previously did not.
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Avoid invoking the hir_crate query to traverse the HIR
Walking the HIR tree is done using the `hir_crate` query. However, this is unnecessary, since `hir_owner(CRATE_DEF_ID)` provides the same information. Since depending on `hir_crate` forces dependents to always be executed, this leads to unnecessary work.
By splitting HIR and attributes visits, we can avoid an edge to `hir_crate` when trying to visit the HIR tree.
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Commit 95e096d6 changed a bunch of size checks already, but more have
been added, so this fixes the new ones the same way: the various size
checks that are conditional on target_arch = "x86_64" were not intended
to apply to x86_64-unknown-linux-gnux32, so add
target_pointer_width = "64" to the conditions.
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rustdoc: Clean up handling of lifetime bounds
Previously, rustdoc recorded lifetime bounds by rendering them into the
name of the lifetime parameter. Now, it leaves the name as the actual
name and instead records lifetime bounds in an `outlives` list, similar
to how type parameter bounds are recorded.
Also, higher-ranked lifetimes cannot currently have bounds, so I simplified
the code to reflect that.
r? `@GuillaumeGomez`
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rustdoc: Box `GenericArg::Const` to reduce enum size
This should reduce the amount of memory allocated in the common cases
where the `GenericArg` is a lifetime or type.
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This fixes odd renderings when these features are used in the first
paragraph of documentation for an item. This is an extension of #87270.
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It was accidentally changed to use `opts()` in #86451.
I also renamed `opts()` to `main_body_opts()` to make this kind of
accidental change less likely.
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This cleans up the other spot I found where rustdoc was rendering bounds
into the lifetime name itself. However, in this case, I don't think it
could have actually happened because higher-ranked lifetime definitions
aren't currently allowed to have bounds.
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Previously, rustdoc recorded lifetime bounds by rendering them into the
name of the lifetime parameter. Now, it leaves the name as the actual
name and instead records lifetime bounds in an `outlives` list, similar
to how type parameter bounds are recorded.
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rustdoc: Don't panic on ambiguous inherent associated types
Instead, return `Type::Infer` since compilation should fail anyway.
That's how rustdoc handles `hir::TyKind::Err`s, so this just extends
that behavior to `ty::Err`s when analyzing associated types.
For some reason, the error is printed twice with rustdoc (though only
once with rustc). I'm not sure why that is, but it's better than
panicking.
This commit also makes rustdoc fail early in the non-projection,
non-error case, instead of returning a `Res::Err` that would likely
cause rustdoc to panic later on. This change is originally from #88379.
r? `@GuillaumeGomez`
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r=jyn514,GuillaumeGomez
some low hanging clippy::perf fixes
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rustdoc: Box `GenericArgs::Parenthesized.output`
Split out from #88379.
This reduces the size of `GenericArgs` from 104 bytes to 56 bytes,
essentially reducing it by half.
`GenericArgs` is one of the fields of `PathSegment`, so this should
reduce the amount of memory allocated for `PathSegment`s in the cases
where the generics are not for a `Fn`, `FnMut`, or `FnOnce` trait.
r? `@jyn514`
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Instead, return `Type::Infer` since compilation should fail anyway.
That's how rustdoc handles `hir::TyKind::Err`s, so this just extends
that behavior to `ty::Err`s when analyzing associated types.
For some reason, the error is printed twice with rustdoc (though only
once with rustc). I'm not sure why that is, but it's better than
panicking.
This commit also makes rustdoc fail early in the non-projection,
non-error case, instead of returning a `Res::Err` that would likely
cause rustdoc to panic later on. This change is originally from #88379.
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r=camelid,Manishearth
Display associated types of implementors
Fixes #86631.
Contrary to before, it doesn't display methods. I also had to "resurrect" the `auto-hide-trait-implementations` setting. :3
Only question at this point: should I move the `render_impl` boolean arguments into one struct? We're starting to have quite a lot of them...
cc `@cynecx`
r? `@camelid`
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Doctest persist full binaries when persisting
Tested by adding an extra debug to echo the whole compiler line. Trimmed significantly:
Persisted but not running -> full compile so we get binaries (new behavior).
```
$ rustdoc -Zunstable-options --test --persist-doctests doctests --no-run --extern t=libt.rlib t.rs
DEBUG rustdoc::doctest run_test compiler "rustc" "--crate-type" "bin" "--edition" "2015" "-o" "doctests/t_rs_8_0/rust_out" "--extern" "t=libt.rlib" "-Ccodegen-units=1" "-Z" "unstable-options" "--target" "x86_64-unknown-linux-gnu" "--color" "always"
DEBUG rustdoc::doctest run_test compiler "rustc" "--crate-type" "bin" "--edition" "2015" "-o" "doctests/t_rs_2_0/rust_out" "--extern" "t=libt.rlib" "-Ccodegen-units=1" "-Z" "unstable-options" "--target" "x86_64-unknown-linux-gnu" "--color" "always"
test t.rs - foople (line 2) - compile ... ok
test t.rs - florp (line 8) - compile ... ok
```
Persisted and running -> full compile.
```
$ rustdoc -Zunstable-options --test --persist-doctests doctests --extern t=libt.rlib t.rs
DEBUG rustdoc::doctest run_test compiler "rustc" "--crate-type" "bin" "--edition" "2015" "-o" "doctests/t_rs_8_0/rust_out" "--extern" "t=libt.rlib" "-Ccodegen-units=1" "-Z" "unstable-options" "--target" "x86_64-unknown-linux-gnu" "--color" "always"
DEBUG rustdoc::doctest run_test compiler "rustc" "--crate-type" "bin" "--edition" "2015" "-o" "doctests/t_rs_2_0/rust_out" "--extern" "t=libt.rlib" "-Ccodegen-units=1" "-Z" "unstable-options" "--target" "x86_64-unknown-linux-gnu" "--color" "always"
```
Running but not persisted -> full compile only
```
$ rustdoc --test --extern t=libt.rlib t.rs
DEBUG rustdoc::doctest run_test compiler "rustc" "--crate-type" "bin" "--edition" "2015" "-o" "/tmp/rustdoctestixWAUI/rust_out" "--extern" "t=libt.rlib" "-Ccodegen-units=1" "--target" "x86_64-unknown-linux-gnu" "--color" "always"
DEBUG rustdoc::doctest run_test compiler "rustc" "--crate-type" "bin" "--edition" "2015" "-o" "/tmp/rustdoctestKEaJQu/rust_out" "--extern" "t=libt.rlib" "-Ccodegen-units=1" "--target" "x86_64-unknown-linux-gnu" "--color" "always"
```
Not running and not persisting -> save time and only run metadata.
```
RUSTDOC_LOG=rustdoc=debug,std::test=debug rustdoc -Zunstable-options --no-run --test --extern t=libt.rlib t.rs
DEBUG rustdoc::doctest run_test compiler "rustc" "--crate-type" "bin" "--edition" "2015" "-o" "/tmp/rustdoctest8twt2c/rust_out" "--extern" "t=libt.rlib" "-Ccodegen-units=1" "-Z" "unstable-options" "--emit=metadata" "--target" "x86_64-unknown-linux-gnu" "--color" "always"
DEBUG rustdoc::doctest run_test compiler "rustc" "--crate-type" "bin" "--edition" "2015" "-o" "/tmp/rustdoctest3miSqv/rust_out" "--extern" "t=libt.rlib" "-Ccodegen-units=1" "-Z" "unstable-options" "--emit=metadata" "--target" "x86_64-unknown-linux-gnu" "--color" "always"
```
I can't see any infrastructure for automating this sort of test. Am I missing it?
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Stabilize `Iterator::intersperse()`
This PR stabilizes the methods `Iterator::intersperse()` and `Iterator::intersperse_with()`. The FCP has [already completed](https://github.com/rust-lang/rust/issues/79524#issuecomment-909663616).
Closes #79524.
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Remove bolding on associated constants
Associated types don't get bolded, so it looks off to have one kind
bolded and one not.
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This reduces the size of `GenericArgs` from 104 bytes to 56 bytes,
essentially reducing it by half.
`GenericArgs` is one of the fields of `PathSegment`, so this should
reduce the amount of memory allocated for `PathSegment`s in the cases
where the generics are not for a `Fn`, `FnMut`, or `FnOnce` trait.
I also added `static_assert_size!`s to `GenericArgs` and `PathSegment`
to ensure they don't increase in size unexpectedly.
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Associated types don't get bolded, so it looks off to have one kind
bolded and one not.
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