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rustdoc: Fix issues with cross-crate inlined associated items
* Visibility was missing from impl items.
* Attributes and docs were missing from consts and types in impls.
* Const default values were missing from traits.
This unifies the code that handles associated items from impls and traits.
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Fix invalid HTML escape
Fixes #46289.
r? @QuietMisdreavus
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Hide private trait type params and show hidden items with document-private
As discussed in #46380, this PR removes the `strip-hidden` pass from `--document-private-items` which allows showing `#[doc(hidden)]` with rustdoc.
The second commit removes the trait implementation from the docs if the trait's parameter is private.
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rustc: Filter out bogus extern crate warnings
Rustdoc has for some time now used the "everybody loops" pass in the compiler to
avoid typechecking and otherwise avoid looking at implementation details.
In #46115 the placement of this pass was pushed back in the compiler to after
macro expansion to ensure that it works with macro-expanded code as well. This
in turn caused the regression in #46271.
The bug here was that the resolver was producing `def_id` instances for
"possibly unused extern crates" which would then later get processed during
typeck to actually issue lint warnings. The problem was that *after* resolution
these `def_id` nodes were actually removed from the AST by the "everybody loops"
pass. This later, when we tried to take a look at `def_id`, caused the compiler
to panic.
The fix applied here is a bit of a heavy hammer which is to just, in this one
case, ignore the `extern crate` lints if the `def_id` looks "bogus" in any way
(basically if it looks like the node was removed after resolution). The real
underlying bug here is probably that the "everybody loops" AST pass is being
stressed to much beyond what it was originally intended to do, but this should
at least fix the ICE for now...
Closes #46271
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After renaming the structs and enums the htmldocck strings still
contained the old names. This lead to test failure.
These htmldocck tests have been updated to use the proper names of the
rust structs and traits.
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Trait's implementations with private type parameters were displayed in
the implementing struct's documentation until now.
With this change any trait implementation that uses a private type
parameter is now hidden in the docs.
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When using `#[doc(hidden)]` elements are hidden from docs even when the
rustdoc flag `--document-private-items` is set.
This behavior has been changed to display all hidden items when the flag
is active.
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Rustdoc has for some time now used the "everybody loops" pass in the compiler to
avoid typechecking and otherwise avoid looking at implementation details.
In #46115 the placement of this pass was pushed back in the compiler to after
macro expansion to ensure that it works with macro-expanded code as well. This
in turn caused the regression in #46271.
The bug here was that the resolver was producing `def_id` instances for
"possibly unused extern crates" which would then later get processed during
typeck to actually issue lint warnings. The problem was that *after* resolution
these `def_id` nodes were actually removed from the AST by the "everybody loops"
pass. This later, when we tried to take a look at `def_id`, caused the compiler
to panic.
The fix applied here is a bit of a heavy hammer which is to just, in this one
case, ignore the `extern crate` lints if the `def_id` looks "bogus" in any way
(basically if it looks like the node was removed after resolution). The real
underlying bug here is probably that the "everybody loops" AST pass is being
stressed to much beyond what it was originally intended to do, but this should
at least fix the ICE for now...
Closes #46271
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Rustoc item summaries that are headers were not displayed at all because
they started with whitespace.
This PR fixes this and now removes the whitespace and then displays the
block.
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* Visibility was missing from impl items.
* Attributes and docs were missing from consts and types in impls.
* Const default values were missing from traits.
This unifies the code that handles associated items from impls and traits.
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r=GuillaumeGomez
Properly handle reexport of foreign items.
Handles `pub use` of `extern { fn, static, type }`. Also plug in some more `match` arms where handling `extern type` is reasonable.
Fixed #46098.
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rustdoc: include external files in documentation (RFC 1990)
Part of https://github.com/rust-lang/rfcs/pull/1990 (needs work on the error reporting, which i'm deferring to after this initial PR)
cc #44732
Also fixes #42760, because the prep work for the error reporting made it easy to fix that at the same time.
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Partial implementation of https://github.com/rust-lang/rfcs/pull/1990
(needs error reporting work)
cc #44732
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Display negative traits implementation
Fixes #45816.
r? @QuietMisdreavus
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r=GuillaumeGomez,QuietMisdreavus
show in docs whether the return type of a function impls Iterator/Read/Write
Closes #25928
This PR makes it so that when rustdoc documents a function, it checks the return type to see whether it implements a handful of specific traits. If so, it will print the impl and any associated types. Rather than doing this via a whitelist within rustdoc, i chose to do this by a new `#[doc]` attribute parameter, so things like `Future` could tap into this if desired.
### Known shortcomings
~~The printing of impls currently uses the `where` class over the whole thing to shrink the font size relative to the function definition itself. Naturally, when the impl has a where clause of its own, it gets shrunken even further:~~ (This is no longer a problem because the design changed and rendered this concern moot.)
The lookup currently just looks at the top-level type, not looking inside things like Result or Option, which renders the spotlights on Read/Write a little less useful:
<details><summary>`File::{open, create}` don't have spotlight info (pic of old design)</summary>
</details>
All three of the initially spotlighted traits are generically implemented on `&mut` references. Rustdoc currently treats a `&mut T` reference-to-a-generic as an impl on the reference primitive itself. `&mut Self` counts as a generic in the eyes of rustdoc. All this combines to create this lovely scene on `Iterator::by_ref`:
<details><summary>`Iterator::by_ref` spotlights Iterator, Read, and Write (pic of old design)</summary>
</details>
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Handles `pub use` of `extern { fn, static, type }`. Also plug in some more
`match` arms where handling `extern type` is reasonable.
Fixed #46098.
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r=QuietMisdreavus
Support `extern type` in rustdoc.
Fixes #45640.
(cc #43467)
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Fixes #45640.
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rustdoc: tweak notes on ignore/compile_fail examples
Part of https://github.com/rust-lang/rust/issues/44927
This is a softening of these notices to mention *why* a given example has a given callout, rather then telling viewers to be careful with an example. It also changes the character used for these samples from a warning logo to a circle-i/information logo.
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rustdoc: add #[allow(unused)] to every doctest
More information in #45750 - this is behavior that was documented but not actually implemented.
I also reordered how outer attributes are applied to doctests. Previously, attributes from `#![doc(test(attr(...)))]` would be applied *after* attributes from within the test itself, meaning if a doctest tried to override lints that would be set crate-wide, it wouldn't work at all. This gives a better scope of how lints can be applied.
Closes #45750
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rustdoc: Fix duplicated impls with generics
The same type can appear multiple times in impls so we need to use a set
to avoid adding it multiple times.
Fixes: #45584
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Add tests for methods listing in rust docs
r? @rust-lang/docs
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The same type can appear multiple times in impls so we need to use a set
to avoid adding it multiple times.
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let rustdoc print the crate version into docs
This PR adds a new unstable flag to rustdoc, `--crate-version`, which when present will add a new entry to the sidebar of the root module, printing the given version number:
Closes #24336
(The WIP status is because i don't want to merge this until i can get the std docs to use it, which i need help from rustbuild people to make sure i get right.)
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Fnty args rustdoc
Fixes #44570.
cc @QuietMisdreavus
cc @rust-lang/dev-tools
Considering the impact on the `hir` libs, I'll put @eddyb as reviewer.
r? @eddyb
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Fix issue #44731.
Also excludes `impl Trait` from everybody_loops if it appears in the path.
Fixes #44731.
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let htmldocck.py check for directories
Since i messed this up during https://github.com/rust-lang/rust/pull/44613, i wanted to codify this into the rustdoc tests to make sure that doesn't happen again.
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per @GuillaumeGomez's sample, but with one change.
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Also excludes `impl Trait` from everybody_loops if it appears in the path.
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Add pub visibility for methods as well
Fixes #44527.
r? @QuietMisdreavus
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