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Save crate filtering on rustdoc
Fixes #62929.
I added a hashmap and a hash encoding for the current crate list in case you have multiple crates handling on a same website (who talked about docs.rs?!). Like that, for each context, you have the filter crate selected.
r? @QuietMisdreavus
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This introduces a WithFormatter abstraction that permits one-time
fmt::Display on an arbitrary closure, created via `display_fn`. This
allows us to prevent allocation while still using functions instead of
structs, which are a bit unwieldy to thread arguments through as they
can't easily call each other (and are generally a bit opaque).
The eventual goal here is likely to move us off of the formatting
infrastructure entirely in favor of something more structured, but this
is a good step to move us in that direction as it makes, for example,
passing a context describing current state to the formatting impl much
easier.
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Previously we stored the entire current path which is a bit expensive
and only ever accessed its length. This stores the length directly.
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The alternate mode merely prints out the passed in text which is largely
useless (as the text can simply be directly printed).
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Fix confusion in theme picker functions
To reproduce the bug currently: click on the theme picker button twice (to show it then hide it). Then click anywhere else: the dropdown menu appears again.
The problem was coming from a confusion of what the `hideThemeButtonState` and `showThemeButtonState` were supposed to do. I switched their codes and updated the `switchThemeButtonState` function. It now works as expected.
r? @kinnison
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These impls prevent ergonomic use of the config (e.g., forcing us to use
RefCell) despite all usecases for these structs only using their Display
impls once.
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This drops the parking_lot dependency; the ReentrantMutex type appeared
to be unused (at least, no compilation failures occurred).
This is technically a possible change in behavior of its users, as
lock() would wait on other threads releasing their guards, but since we
didn't actually remove any threading or such in this code, it appears
that we never used that behavior (the behavior change is only noticeable
if the type previously was used in two threads, in a single thread
ReentrantMutex is useless).
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Fix theme picker blur handler: always hide instead of switching
Fixes a minor bug in UI generated by rustdoc.
For example, this page: https://doc.rust-lang.org/std/
Reproduction steps:
1. Click the theme picker twice
* The list of themes will be shown and then hidden
2. Click anywhere else
* The list of themes will be show again, which is unexpected
The bug was caused by blur event handler toggling the state of the element instead of always hiding it regardless of the current state.
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Not listed methods
Fixes #60326.
cc @rust-lang/rustdoc
r? @QuietMisdreavus
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Change opaque type syntax from `existential type` to type alias `impl Trait`
This implements a new feature gate `type_alias_impl_trait` (this is slightly different from the originally proposed feature name, but matches what has been used in discussion since), deprecating the old `existential_types` feature.
The syntax for opaque types has been changed. In addition, the "existential" terminology has been replaced with "opaque", as per previous discussion and the RFC.
This makes partial progress towards implementing https://github.com/rust-lang/rust/issues/63063.
r? @Centril
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Add keywords item into the sidebar
Fixes #62939.
cc @pravic
screenshot of the result:
r? @QuietMisdreavus
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Replace unsafe_destructor_blind_to_params with may_dangle
This PR will completely remove support for `#[unsafe_destructor_blind_to_params]` attribute,
which is deprecated in #38970 by `[may_dangle]` unsafe attribute.
Closes #34761
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[rustdoc] Fix storage usage when disabled
Fixes #61239.
@starblue: Can you give a try to this change please? I tried on chrome and firefox and both worked so if you're using another web browser, that might be useful. :)
r? @Manishearth
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Therefore we also remove `#[unsafe_destructor_blind_to_params]`
attribute completly.
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It's internal to resolve and always results in `Res::Err` outside of resolve.
Instead put `DefKind::Fn`s themselves into the macro namespace, it's ok.
Proc macro stubs are items placed into macro namespase for functions that define proc macros.
https://github.com/rust-lang/rust/pull/52383
The rustdoc test is changed because the old test didn't actually reproduce the ICE it was supposed to reproduce.
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Remove support for 1-token lookahead from the lexer
`StringReader` maintained `peek_token` and `peek_span_src_raw` for look ahead.
`peek_token` was used only by rustdoc syntax coloring. After moving peeking logic into highlighter, I was able to remove `peek_token` from the lexer. I tried to use `iter::Peekable`, but that wasn't as pretty as I hoped, due to buffered fatal errors. So I went with hand-rolled peeking.
After that I've noticed that the only peeking behavior left was for raw tokens to test tt jointness. I've rewritten it in terms of trivia tokens, and not just spans.
After that it became possible to simplify the awkward constructor of the lexer, which could return `Err` if the first peeked token contained error.
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r=QuietMisdreavus
Fix code block information icon position
Fixes #62118.
A screenshot of the fix:
<img width="720" alt="Screenshot 2019-06-29 at 18 28 59" src="https://user-images.githubusercontent.com/3050060/60386900-edb23b80-9a9b-11e9-9f4f-0f343674348c.png">
r? @rust-lang/rustdoc
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Remove needless lifetimes (std)
Split from #62039
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The reader itself doesn't need ability to peek tokens, so it's better
if clients implement this functionality.
This hopefully becomes especially easy once we use iterator interface
for lexer, but this is not too easy at the moment, because of buffered
errors.
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