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2020-12-30Rollup merge of #80495 - jyn514:rename-empty, r=petrochenkovMara Bos-3/+3
Rename kw::Invalid -> kw::Empty See https://rust-lang.zulipchat.com/#narrow/stream/182449-t-compiler.2Fhelp/topic/Is.20there.20a.20symbol.20for.20the.20empty.20string.3F/near/220054471 for context. r? `@petrochenkov`
2020-12-30Rename kw::Invalid -> kw::EmptyJoshua Nelson-3/+3
See https://rust-lang.zulipchat.com/#narrow/stream/182449-t-compiler.2Fhelp/topic/Is.20there.20a.20symbol.20for.20the.20empty.20string.3F/near/220054471 for context.
2020-12-30Rollup merge of #80509 - matthiaskrgr:ptr_arg, r=varkorYuki Okushi-1/+1
where possible, pass slices instead of &Vec or &String (clippy::ptr_arg)
2020-12-30where possible, pass slices instead of &Vec or &String (clippy::ptr_arg)Matthias Krüger-1/+1
2020-12-29don't clone copy typesMatthias Krüger-2/+2
2020-12-29Auto merge of #80014 - jyn514:box-item-kind, r=nnethercotebors-27/+28
[rustdoc] Box ItemKind to reduce the size of `Item` This brings the size of `Item` from ``` [src/librustdoc/lib.rs:103] std::mem::size_of::<Item>() = 536 ``` to ``` [src/librustdoc/lib.rs:103] std::mem::size_of::<Item>() = 136 ``` This is an alternative to https://github.com/rust-lang/rust/pull/79967; I don't think it makes sense to make both changes. Helps with #79103.
2020-12-25Fix bugs; fix and add testsCamelid-20/+18
2020-12-25rustdoc: Render visibilities succinctlyCamelid-18/+25
2020-12-24rustdoc: Highlight edition-specific keywords correctly in code blocks, ↵ThePuzzlemaker-0/+1
accounting for code block edition modifiers This is a squash of these commits: - Highlight edition-specific keywords correctly in code blocks, accounting for code block edition modifiers - Fix unit tests - Revert changes to rustc_span::symbol to prepare for merge of #80272 - Use new Symbol::is_reserved API from #80272 - Remove unused import added by accident when merging
2020-12-23Box ItemKind to reduce the size of `Item`Joshua Nelson-27/+28
This brings the size of `Item` from ``` [src/librustdoc/lib.rs:103] std::mem::size_of::<Item>() = 680 ``` to ``` [src/librustdoc/lib.rs:103] std::mem::size_of::<Item>() = 280 ```
2020-12-23Auto merge of #80099 - jyn514:visibility-on-demand, r=GuillaumeGomezbors-30/+38
Remove `DefPath` from `Visibility` and calculate it on demand Depends on #80090 and should not be merged before. Helps with https://github.com/rust-lang/rust/issues/79103 and https://github.com/rust-lang/rust/issues/76382. cc https://github.com/rust-lang/rust/pull/80014#issuecomment-746810284 - `@nnethercote` I figured it out! It was simpler than I expected :) This brings the size of `clean::Visibility` down from 40 bytes to 8. Note that this does *not* remove `clean::Visibility`, even though it's now basically the same as `ty::Visibility`, because the `Invsible` variant means something different from `Inherited` and I thought it would be be confusing to merge the two. See the new comments on `impl Clean for ty::Visibility` for details.
2020-12-23Auto merge of #80095 - jyn514:stability-on-demand, r=GuillaumeGomezbors-36/+54
[rustdoc] Calculate stability, const_stability, and deprecation on-demand Previously, they would always be calculated ahead of time, which bloated the size of `clean::Item`. Builds on https://github.com/rust-lang/rust/pull/80090 and should not be merged before. Helps with https://github.com/rust-lang/rust/issues/79103 and https://github.com/rust-lang/rust/issues/76382. cc https://github.com/rust-lang/rust/pull/80014#issuecomment-746810284 This brings `Item` down to 568 bytes, down from 616.
2020-12-18Auto merge of #80154 - GuillaumeGomez:str-to-symbol, r=jyn514bors-2/+2
Continue String to Symbol conversion in rustdoc (2) Follow-up of #80119. This is the last one (and I actually expected more conversions but seems like it was the last one remaining...). r? `@jyn514`
2020-12-18Remove `DefPath` from `Visibility` and calculate it on demandJoshua Nelson-31/+43
2020-12-18Calculate stability, const_stability, and deprecation on-demandJoshua Nelson-36/+54
Previously, they would always be calculated ahead of time, which bloated the size of `clean::Item`.
2020-12-18Continue String to Symbol conversion in rustdocGuillaume Gomez-2/+2
2020-12-18Auto merge of #80090 - jyn514:tcx-in-render, r=GuillaumeGomezbors-48/+77
Pass a `TyCtxt` through to `FormatRender` This is the next step after https://github.com/rust-lang/rust/pull/79957 for https://github.com/rust-lang/rust/issues/76382. Eventually I plan to use this to remove `stability`, `const_stability`, and `deprecation` from `Item`, but that needs more extensive changes (in particular, https://github.com/rust-lang/rust/pull/75355 or something like it). This has no actual changes to behavior, it's just moving types around. ccc https://github.com/rust-lang/rust/pull/80014#issuecomment-746810284
2020-12-18Auto merge of #80119 - GuillaumeGomez:str-to-symbol, r=jyn514bors-13/+13
Continue String to Symbol conversion in rustdoc Follow-up of https://github.com/rust-lang/rust/pull/80091. This PR is already big enough so I'll stop here before the next one. r? `@jyn514`
2020-12-17Continue String to Symbol conversion in rustdocGuillaume Gomez-13/+13
2020-12-17Make it compileJoshua Nelson-47/+75
2020-12-17[tmp] Pass `TyCtxt` through to the render backendJoshua Nelson-2/+3
First actually useful step in https://github.com/rust-lang/rust/issues/76382 This doesn't yet compile because there's no way to get a `Lrc<Session>` from a TyCtxt, only a `&Session`.
2020-12-17Rollup merge of #80047 - jyn514:more-symbols, r=GuillaumeGomezGuillaume Gomez-13/+17
Use more symbols in rustdoc Builds on https://github.com/rust-lang/rust/pull/80044 and should not be merged before. I want to test if this is actually faster before merging it, there was a lot of `to_string()` calls so I'm not sure it will actually help. That means I have to wait for 80044 to get merged before running perf. r? `@ghost`
2020-12-17Auto merge of #80091 - GuillaumeGomez:str-to-symbol, r=jyn514bors-1/+1
Replace String with Symbol where possible The same as #80047 but on different types. Might be interesting to run some perf comparison. r? `@jyn514`
2020-12-16Replace String with Symbol where possibleGuillaume Gomez-1/+1
2020-12-16Allow `since="TBD"` for rustc_deprecatedbstrie-1/+5
2020-12-16Auto merge of #80041 - jyn514:shrink-item, r=GuillaumeGomezbors-6/+13
Get rid of `clean::Deprecation` This brings the size of `item.deprecation` from 56 to 16 bytes. Helps with #79103 and https://github.com/rust-lang/rust/issues/76382, in the same vein as https://github.com/rust-lang/rust/pull/79957. r? `@GuillaumeGomez`
2020-12-15Use `Symbol`s for crate namesJoshua Nelson-13/+17
2020-12-14Switch to Symbol for item.nameJoshua Nelson-16/+13
This decreases the size of `Item` from 680 to 616 bytes. It also does a lot less work since it no longer has to copy as much.
2020-12-14Get rid of `clean::Deprecation`Joshua Nelson-6/+13
This brings the size of `item.deprecation` from 56 to 16 bytes.
2020-12-12Auto merge of #79957 - jyn514:smaller-span, r=GuillaumeGomezbors-9/+17
[rustdoc] Calculate span information on demand instead of storing it ahead of time This brings `size_of<clean::types::Span>()` down from over 100 bytes (!!) to only 12, the same as rustc. It brings `Item` down even more, from `784` to `680`. ~~TODO: I need to figure out how to do this for the JSON backend too. That uses `From` impls everywhere, which don't allow passing in the `Session` as an argument. `@P1n3appl3,` `@tmandry,` maybe one of you have ideas?~~ Figured it out, fortunately only two functions needed to be changed. I like the `convert_x()` format better than `From` everywhere but I'm open to feedback. Helps with #79103
2020-12-12Calculate span info on-demand instead of ahead of timeJoshua Nelson-11/+14
This should *vastly* reduce memory usage.
2020-12-12Pass Session into rendererJoshua Nelson-0/+5
2020-12-07Dogfood 'str_split_once() with librustdocEric Arellano-4/+2
2020-12-03Render Markdown in search resultsCamelid-37/+10
Previously Markdown documentation was not rendered to HTML for search results, which led to the output not being very readable, particularly for inline code. This PR fixes that by rendering Markdown to HTML with the help of pulldown-cmark (the library rustdoc uses to parse Markdown for the main text of documentation). However, the text for the title attribute (the text shown when you hover over an element) still uses the plain-text rendering since it is displayed in browsers as plain-text. Only these styles will be rendered; everything else is stripped away: * *italics* * **bold** * `inline code`
2020-11-29Add support for stable-const-since in docs on items (standalone or assoc)Rune Tynan-17/+73
2020-11-24Clean up document_item_info callsGuillaume Gomez-7/+20
2020-11-24Rename "stability" CSS class to "item-info"Guillaume Gomez-23/+28
2020-11-18add [src] links to methods on a trait's pageNixon Enraght-Moony-19/+12
2020-11-18Extract write_srclink to its own methodNixon Enraght-Moony-30/+24
2020-11-17Rollup merge of #79126 - jyn514:auto, r=GuillaumeGomezMara Bos-3/+3
Remove duplicate `Trait::auto` field It was exactly the same as `is_auto`. I found this while working on #78082, but it's not required for that PR. r? `@GuillaumeGomez`
2020-11-17Remove duplicate `Trait::auto` fieldJoshua Nelson-3/+3
It was exactly the same as `is_auto`.
2020-11-16Get rid of clean::MethodJoshua Nelson-5/+9
Replace it instead with `(clean::Function, Option<hir::Defaultness>)`.
2020-11-16Get rid of clean::TyMethodJoshua Nelson-2/+1
It's the same as clean::Function.
2020-11-16Rollup merge of #79061 - jyn514:no-pub, r=GuillaumeGomezMara Bos-46/+46
Make all rustdoc functions and structs crate-private This gives warnings when code is no longer used, which will be helpful when https://github.com/rust-lang/rust/pull/77820 and https://github.com/rust-lang/rust/pull/78082 land. AFAIK no one is using this API. r? ``@GuillaumeGomez`` cc ``@rust-lang/rustdoc``
2020-11-16Rollup merge of #78678 - Nemo157:doc-cfg-w-traits, r=jyn514,GuillaumeGomezMara Bos-29/+43
Add tests and improve rendering of cfgs on traits Shows the additional features required to get the trait implementation, suppressing any already shown on the current page. One interesting effect from this is if you have a cfg-ed type, implementing a cfg-ed trait (so the implementation depends on both cfgs), you will get the inverted pair of cfgs shown on each page: ![image](https://user-images.githubusercontent.com/81079/97904671-207bdc00-1d41-11eb-8144-707e8017d2b6.png) ![image](https://user-images.githubusercontent.com/81079/97904700-27a2ea00-1d41-11eb-8b9f-e925ba339044.png) The hidden items on the trait implementation also now get the correct cfgs displayed on them. Tests are blocked on #78673. fixes #68100 cc #43781
2020-11-15Make all rustdoc functions and structs crate-privateJoshua Nelson-46/+46
This gives warnings about dead code.
2020-11-15Rollup merge of #79041 - jyn514:inner-to-kind, r=petrochenkovJonas Schievink-30/+29
Rename clean::{ItemEnum -> ItemKind}, clean::Item::{inner -> kind} r? ````@petrochenkov```` cc ````@GuillaumeGomez```` Follow-up to https://github.com/rust-lang/rust/pull/77820#discussion_r502931757.
2020-11-15Rollup merge of #77802 - jyn514:bootstrap-specific, r=nikomatsakisJonas Schievink-2/+2
Allow making `RUSTC_BOOTSTRAP` conditional on the crate name Motivation: This came up in the [Zulip stream](https://rust-lang.zulipchat.com/#narrow/stream/233931-t-compiler.2Fmajor-changes/topic/Require.20users.20to.20confirm.20they.20know.20RUSTC_.E2.80.A6.20compiler-team.23350/near/208403962) for https://github.com/rust-lang/compiler-team/issues/350. See also https://github.com/rust-lang/cargo/pull/6608#issuecomment-458546258; this implements https://github.com/rust-lang/cargo/issues/6627. The goal is for this to eventually allow prohibiting setting `RUSTC_BOOTSTRAP` in build.rs (https://github.com/rust-lang/cargo/issues/7088). ## User-facing changes - `RUSTC_BOOTSTRAP=1` still works; there is no current plan to remove this. - Things like `RUSTC_BOOTSTRAP=0` no longer activate nightly features. In practice this shouldn't be a big deal, since `RUSTC_BOOTSTRAP` is the opposite of stable and everyone uses `RUSTC_BOOTSTRAP=1` anyway. - `RUSTC_BOOTSTRAP=x` will enable nightly features only for crate `x`. - `RUSTC_BOOTSTRAP=x,y` will enable nightly features only for crates `x` and `y`. ## Implementation changes The main change is that `UnstableOptions::from_environment` now requires an (optional) crate name. If the crate name is unknown (`None`), then the new feature is not available and you still have to use `RUSTC_BOOTSTRAP=1`. In practice this means the feature is only available for `--crate-name`, not for `#![crate_name]`; I'm interested in supporting the second but I'm not sure how. Other major changes: - Added `Session::is_nightly_build()`, which uses the `crate_name` of the session - Added `nightly_options::match_is_nightly_build`, a convenience method for looking up `--crate-name` from CLI arguments. `Session::is_nightly_build()`should be preferred where possible, since it will take into account `#![crate_name]` (I think). - Added `unstable_features` to `rustdoc::RenderOptions` I'm not sure whether this counts as T-compiler or T-lang; _technically_ RUSTC_BOOTSTRAP is an implementation detail, but it's been used so much it seems like this counts as a language change too. r? `@joshtriplett` cc `@Mark-Simulacrum` `@hsivonen`
2020-11-14Add tests and improve rendering of features on traitsWim Looman-29/+43
2020-11-14Rename ItemEnum -> ItemKind, inner -> kindJoshua Nelson-30/+29
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