Rollup of 13 pull requests #103049
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Rollup of 13 pull requests #103049
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rustc's startup has several layers, including:
- `interface::run_compiler` passes a closure, `f`, to
`run_in_thread_pool_with_globals`, which creates a thread pool, sets
up session globals, and passes `f` to `create_compiler_and_run`.
- `create_compiler_and_run` creates a `Session`, a `Compiler`, sets the
source map, and calls `f`.
rustdoc is a bit different.
- `main_args` calls `main_options` via
`run_in_thread_pool_with_globals`, which (again) creates a thread pool
(hardcoded to a single thread!) and sets up session globals.
- `main_options` has four different paths.
- The second one calls `interface::run_compiler`, which redoes the
`run_in_thread_pool_with_globals`! This is bad.
- The fourth one calls `interface::create_compiler_and_run`, which is
reasonable.
- The first and third ones don't do anything of note involving the
above functions, except for some symbol interning which requires
session globals.
In other words, rustdoc calls into `rustc_interface` at three different
levels. It's a bit confused, and feels like code where functionality has
been added by different people at different times without fully
understanding how the globally accessible stuff is set up.
This commit tidies things up. It removes the
`run_in_thread_pool_with_globals` call in `main_args`, and adjust the
four paths in `main_options` as follows.
- `markdown::test` calls `test::test_main`, which provides its own
parallelism and so doesn't need a thread pool. It had one small use of
symbol interning, which required session globals, but the commit
removes this.
- `doctest::run` already calls `interface::run_compiler`, so it doesn't
need further adjustment.
- `markdown::render` is simple but needs session globals for interning
(which can't easily be removed), so it's now wrapped in
`create_session_globals_then`.
- The fourth path now uses `interface::run_compiler`, which is
equivalent to the old `run_in_thread_pool_with_globals` +
`create_compiler_and_run` pairing.
There is no longer any need for them to be separate.
It has a single call site, and removing it slightly improves the confusing tangle of nested closures present at startup.
It has a single call site.
This avoids the need for a degenerate `Lrc::get_mut` call.
* Use more accurate symbol export list for LTO * Add missing export for the oom strategy symbol Co-authored-by: Jakub Beránek <berykubik@gmail.com>
rust-lang#100892 implemented AsFd for the sys versions, rather than for the public types. Change the implementations to apply to the public types.
…piler-errors translation: eager translation Part of rust-lang#100717. See [Zulip thread](https://rust-lang.zulipchat.com/#narrow/stream/336883-i18n/topic/.23100717.20lists!/near/295010720) for additional context. - **Store diagnostic arguments in a `HashMap`**: Eager translation will enable subdiagnostics to be translated multiple times with different arguments - this requires the ability to replace the value of one argument with a new value, which is better suited to a `HashMap` than the previous storage, a `Vec`. - **Add `AddToDiagnostic::add_to_diagnostic_with`**: `AddToDiagnostic::add_to_diagnostic_with` is similar to the previous `AddToDiagnostic::add_to_diagnostic` but takes a function that can be used by the caller to modify diagnostic messages originating from the subdiagnostic (such as performing translation eagerly). `add_to_diagnostic` now just calls `add_to_diagnostic_with` with an empty closure. - **Add `DiagnosticMessage::Eager`**: Add variant of `DiagnosticMessage` for eagerly translated messages (messages in the target language which don't need translated by the emitter during emission). Also adds `eager_subdiagnostic` function which is intended to be invoked by the diagnostic derive for subdiagnostic fields which are marked as needing eager translation. - **Support `#[subdiagnostic(eager)]`**: Add support for `eager` argument to the `subdiagnostic` attribute which generates a call to `eager_subdiagnostic`. - **Finish migrating `rustc_query_system`**: Using eager translation, migrate the remaining repeated cycle stack diagnostic. - **Split formatting initialization and use in diagnostic derives**: Diagnostic derives have previously had to take special care when ordering the generated code so that fields were not used after a move. This is unlikely for most fields because a field is either annotated with a subdiagnostic attribute and is thus likely a `Span` and copiable, or is a argument, in which case it is only used once by `set_arg` anyway. However, format strings for code in suggestions can result in fields being used after being moved if not ordered carefully. As a result, the derive currently puts `set_arg` calls last (just before emission), such as: let diag = { /* create diagnostic */ }; diag.span_suggestion_with_style( span, fluent::crate::slug, format!("{}", __binding_0), Applicability::Unknown, SuggestionStyle::ShowAlways ); /* + other subdiagnostic additions */ diag.set_arg("foo", __binding_0); /* + other `set_arg` calls */ diag.emit(); For eager translation, this doesn't work, as the message being translated eagerly can assume that all arguments are available - so arguments _must_ be set first. Format strings for suggestion code are now separated into two parts - an initialization line that performs the formatting into a variable, and a usage in the subdiagnostic addition. By separating these parts, the initialization can happen before arguments are set, preserving the desired order so that code compiles, while still enabling arguments to be set before subdiagnostics are added. let diag = { /* create diagnostic */ }; let __code_0 = format!("{}", __binding_0); /* + other formatting */ diag.set_arg("foo", __binding_0); /* + other `set_arg` calls */ diag.span_suggestion_with_style( span, fluent::crate::slug, __code_0, Applicability::Unknown, SuggestionStyle::ShowAlways ); /* + other subdiagnostic additions */ diag.emit(); - **Remove field ordering logic in diagnostic derive:** Following the approach taken in earlier commits to separate formatting initialization from use in the subdiagnostic derive, simplify the diagnostic derive by removing the field-ordering logic that previously solved this problem. r? ``@compiler-errors``
Clean up rustdoc startup Startup is pretty hairy, in both rustdoc and rustc. The first commit here improves the rustdoc situation quite a bit. The remaining commits are smaller but also help. Best reviewed one commit at a time. r? ```@jyn514```
…r=fee1-dead Unify `tcx.constness` query and param env constness checks The checks that we do in the `constness` query seem inconsistent with the checks that we do to determine if an item's param-env is const, so I merged them into the `constness` query and call that from the `param_env` query. I'm not sure if this totally makes sense -- is there a case where `tcx.param_env()` would return a const param-env for an item whose `tcx.constness()` is `Constness::NotConst`? Because if not, it seems a bit dangerous that these two differ. Luckily, not many places actually use `tcx.constness()`, and the checks in `tcx.param_env()` seem stricter than the checks in `tcx.constness()` (at least for the types of items we type-check). Also, due to the way that `tcx.param_env()` is implemented, it _never_ used to return a const param-env for a item coming from a different crate, which also seems dangerous (though also probably not weaponizable currently, because we seldom actually compute the param-env for a non-local item).
…-for-io-types, r=m-ou-se
impl AsFd and AsRawFd for io::{Stdin, Stdout, Stderr}, not the sys versions
rust-lang#100892 implemented AsFd for the
sys versions, rather than for the public types. Change the
implementations to apply to the public types.
…range_patterns, r=lcnr Fix stabilization of `feature(half_open_range_patterns)` Fixes https://github.com/rust-lang/rust/pull/102275/files#r991292215 by removing the relevant code that was [already partial moved](https://github.com/rust-lang/rust/pull/102275/files#diff-307e0d3a2037c11a3fa16822fbaa0fec08e57ac7d0d6e7354f6005c9482a9e26). cc `@Undin`
…an-DPC rustdoc: remove unused CSS `nav.sum` This was added in 4fd061c, but never actually used.
Update books ## nomicon 1 commits in f53bfa056929217870a5d2df1366d2e7ba35096d..9c73283775466d22208a0b28afcab44db4c0cc10 2022-09-05 07:19:02 -0700 to 2022-09-30 07:31:22 +0900 - Fix typo (rust-lang/nomicon#380) ## reference 9 commits in a7cdac33ca7356ad49d5c2b5e2c5010889b33eee..f6ed74f582bddcec73f753eafaab3749c4f7df61 2022-09-19 17:39:58 -0700 to 2022-10-08 02:43:26 -0700 - Typo 'a' -> 'an' (rust-lang/reference#1280) - One line one sentence for expressions and statements main chapters (rust-lang/reference#1277) - Document let else statements (rust-lang/reference#1156) - Document `label_break_value` in the reference (rust-lang/reference#1263) - Document target_has_atomic (rust-lang/reference#1171) - update 'unsafe' (rust-lang/reference#1278) - Update tokens.md (rust-lang/reference#1276) - One sentence, one line Patterns chapter (rust-lang/reference#1275) - Use semver-compliant example version (rust-lang/reference#1272) ## rust-by-example 9 commits in 767a6bd9727a596d7cfdbaeee475e65b2670ea3a..5e7b296d6c345addbd748f242aae28c42555c015 2022-09-14 09:17:18 -0300 to 2022-10-05 08:24:45 -0300 - Make it clear that rustdoc uses the commonmark spec (rust-lang/rust-by-example#1622) - Update defaults.md (rust-lang/rust-by-example#1615) - added "see also" for the @ binding sigil (rust-lang/rust-by-example#1612) - add more precision to the effects of --bin flag (rust-lang/rust-by-example#1607) - create bar project in cargo/dependencies example (rust-lang/rust-by-example#1606) - use consistent wording about type annotation (rust-lang/rust-by-example#1603) - cast.md improvements (rust-lang/rust-by-example#1599) - Fix typo in macros.md (rust-lang/rust-by-example#1598) - Corrected mistaken "The" instead of "There" (rust-lang/rust-by-example#1617) ## rustc-dev-guide 2 commits in 9a86c0467bbe42056f73fdf5b03fff757d7c4a9b..7518c3445dc02df0d196f5f84e568d633c5141fb 2022-10-07 18:34:51 +0200 to 2022-10-08 12:29:47 +0200 - Update debugging.md - Use llvm subdomain for compiler-explorer link ## embedded-book 1 commits in 4ce51cb7441a6f02b5bf9b07b2eb755c21ab7954..c533348edd69f11a8f4225d633a05d7093fddbf3 2022-09-15 08:53:09 +0000 to 2022-10-10 10:16:49 +0000 - Fix a typo in registers.md (rust-embedded/book#330)
The two items it was really intended to target were the buttons, and those both need to have the style set directly on them anyway because the buttons are both child elements of wrappers.
In match guards, irrefutable prefixes might use the bindings created by the match pattern. Ideally, we check for this, but we can do the next best thing and just not lint for irrefutable prefixes in match guards.
…-for-io-types, r=m-ou-se
impl AsFd and AsRawFd for io::{Stdin, Stdout, Stderr}, not the sys versions
rust-lang#100892 implemented AsFd for the
sys versions, rather than for the public types. Change the
implementations to apply to the public types.
…ochenkov Only test duplicate inherent impl items in a single place Based on rust-lang#100387 r? ``@petrochenkov``
…ht-without-change, r=notriddle Migrate css highlight without change This is a "previous" version of rust-lang#102663: only migrating to CSS variables, no changes. It's a bit more verbose because rules are not coherent between themes. r? ``@notriddle``
…chenkov Move some tests to more reasonable directories r? ``@petrochenkov``
…TaKO8Ki More dupe word typos I only picked those changes (from the regex search) that I am pretty certain doesn't change meaning and is just a typo fix. Do correct me if any fix is undesirable and I can revert those. Thanks.
…er-star, r=GuillaumeGomez rustdoc: remove unused CSS `.search-container > *` The two items it was really intended to target were the buttons, and those both need to have the style set directly on them anyway because the buttons are both child elements of wrappers. https://github.com/rust-lang/rust/blob/6b3ede3f7bc502eba7bbd202b4b9312d812adcd7/src/librustdoc/html/static/css/rustdoc.css#L1406-L1411
… r=oli-obk Suppress irrefutable let patterns lint for prefixes in match guards In match guards, irrefutable prefixes might use the bindings created by the match pattern. Ideally, we check for this, but we can do the next best thing and just not lint for irrefutable prefixes in match guards. Fixes rust-lang#98361
…omcc std: use `sync::Mutex` for internal statics Since `sync::Mutex` is now `const`-constructible, it can be used for internal statics, removing the need for `sys_common::StaticMutex`. This adds some extra allocations on platforms which need to box their mutexes (currently SGX and some UNIX), but these will become unnecessary with the lock improvements tracked in rust-lang#93740. I changed the program argument implementation on Hermit, it does not need `Mutex` but can use atomics like some UNIX systems (ping `@mkroening` `@stlankes).`
[PERF] Enable LTO for rustc_driver.so Alternative to rust-lang#97154 This enables LTO'ing dylibs behind a feature flag and uses this feature for compiling rustc_driver.so.
sync thread_local key conditions exactly with what the macro uses This makes the `cfg` in `mod.rs` syntactically the same as those in `local.rs`. I don't think this should actually change anything, but seems better to be consistent? I looked into this due to rust-lang#102549, but this PR would make it *less* likely that `__OsLocalKeyInner` is going to get provided, so this cannot help with that issue. r? `@thomcc`
…ht-without-change, r=notriddle Migrate css highlight without change This is a "previous" version of rust-lang#102663: only migrating to CSS variables, no changes. It's a bit more verbose because rules are not coherent between themes. r? ```@notriddle```
Rollup of 7 pull requests Successful merges: - rust-lang#102623 (translation: eager translation) - rust-lang#102769 (Clean up rustdoc startup) - rust-lang#102830 (Unify `tcx.constness` query and param env constness checks) - rust-lang#102847 (impl AsFd and AsRawFd for io::{Stdin, Stdout, Stderr}, not the sys versions) - rust-lang#102883 (Fix stabilization of `feature(half_open_range_patterns)`) - rust-lang#102936 (rustdoc: remove unused CSS `nav.sum`) - rust-lang#102940 (Update books) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
Fix `suggest_floating_point_literal` ICE Fixes rust-lang#102989
…TaKO8Ki More dupe word typos I only picked those changes (from the regex search) that I am pretty certain doesn't change meaning and is just a typo fix. Do correct me if any fix is undesirable and I can revert those. Thanks.
…er-star, r=GuillaumeGomez rustdoc: remove unused CSS `.search-container > *` The two items it was really intended to target were the buttons, and those both need to have the style set directly on them anyway because the buttons are both child elements of wrappers. https://github.com/rust-lang/rust/blob/6b3ede3f7bc502eba7bbd202b4b9312d812adcd7/src/librustdoc/html/static/css/rustdoc.css#L1406-L1411
… r=oli-obk Suppress irrefutable let patterns lint for prefixes in match guards In match guards, irrefutable prefixes might use the bindings created by the match pattern. Ideally, we check for this, but we can do the next best thing and just not lint for irrefutable prefixes in match guards. Fixes rust-lang#98361
checktools: fix comments This bothers me each time I see it, time to fix it. ;) r? `@Mark-Simulacrum`
…eGomez Remove leading newlines from integer primitive doc examples fixes rust-lang#103043 `@rustbot` label +A-docs
Rollup of 8 pull requests Successful merges: - rust-lang#102847 (impl AsFd and AsRawFd for io::{Stdin, Stdout, Stderr}, not the sys versions) - rust-lang#102856 (Only test duplicate inherent impl items in a single place) - rust-lang#102914 (Migrate css highlight without change) - rust-lang#102938 (Move some tests to more reasonable directories) - rust-lang#103015 (fix a typo) - rust-lang#103018 (More dupe word typos) - rust-lang#103025 (rustdoc: remove unused CSS `.search-container > *`) - rust-lang#103031 (Suppress irrefutable let patterns lint for prefixes in match guards) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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Successful merges:
sync::Mutexfor internal statics #100579 (std: usesync::Mutexfor internal statics)suggest_floating_point_literalICE #103003 (Fixsuggest_floating_point_literalICE).search-container > *#103025 (rustdoc: remove unused CSS.search-container > *)Failed merges:
r? @ghost
@rustbot modify labels: rollup
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