Use `tidy` to sort crate attributes for all compiler crates.
We already do this for a number of crates, e.g. `rustc_middle`,
`rustc_span`, `rustc_metadata`, `rustc_span`, `rustc_errors`.
For the ones we don't, in many cases the attributes are a mess.
- There is no consistency about order of attribute kinds (e.g.
`allow`/`deny`/`feature`).
- Within attribute kind groups (e.g. the `feature` attributes),
sometimes the order is alphabetical, and sometimes there is no
particular order.
- Sometimes the attributes of a particular kind aren't even grouped
all together, e.g. there might be a `feature`, then an `allow`, then
another `feature`.
This commit extends the existing sorting to all compiler crates,
increasing consistency. If any new attribute line is added there is now
only one place it can go -- no need for arbitrary decisions.
Exceptions:
- `rustc_log`, `rustc_next_trait_solver` and `rustc_type_ir_macros`,
because they have no crate attributes.
- `rustc_codegen_gcc`, because it's quasi-external to rustc (e.g. it's
ignored in `rustfmt.toml`).
2024-06-12 13:49:36 +10:00
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// tidy-alphabetical-start
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2021-01-02 14:42:15 +01:00
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#![feature(array_windows)]
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2024-09-24 14:25:16 -07:00
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#![feature(file_buffered)]
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2024-09-05 00:34:04 +03:00
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#![feature(if_let_guard)]
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2024-10-30 23:10:37 -04:00
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#![feature(impl_trait_in_assoc_type)]
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2024-09-05 00:34:04 +03:00
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#![feature(let_chains)]
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Use `tidy` to sort crate attributes for all compiler crates.
We already do this for a number of crates, e.g. `rustc_middle`,
`rustc_span`, `rustc_metadata`, `rustc_span`, `rustc_errors`.
For the ones we don't, in many cases the attributes are a mess.
- There is no consistency about order of attribute kinds (e.g.
`allow`/`deny`/`feature`).
- Within attribute kind groups (e.g. the `feature` attributes),
sometimes the order is alphabetical, and sometimes there is no
particular order.
- Sometimes the attributes of a particular kind aren't even grouped
all together, e.g. there might be a `feature`, then an `allow`, then
another `feature`.
This commit extends the existing sorting to all compiler crates,
increasing consistency. If any new attribute line is added there is now
only one place it can go -- no need for arbitrary decisions.
Exceptions:
- `rustc_log`, `rustc_next_trait_solver` and `rustc_type_ir_macros`,
because they have no crate attributes.
- `rustc_codegen_gcc`, because it's quasi-external to rustc (e.g. it's
ignored in `rustfmt.toml`).
2024-06-12 13:49:36 +10:00
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// tidy-alphabetical-end
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2021-01-02 14:42:15 +01:00
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use rustc_hir::lang_items::LangItem;
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2024-07-15 19:54:47 +00:00
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use rustc_middle::query::TyCtxtAt;
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2020-03-29 16:41:09 +02:00
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use rustc_middle::ty::adjustment::CustomCoerceUnsized;
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2022-11-17 14:39:19 +00:00
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use rustc_middle::ty::{self, Ty};
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2024-07-15 19:54:47 +00:00
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use rustc_middle::util::Providers;
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2020-03-29 16:41:09 +02:00
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use rustc_middle::{bug, traits};
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2024-01-23 15:23:22 +00:00
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use rustc_span::ErrorGuaranteed;
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2017-10-25 16:14:51 +02:00
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2021-01-02 14:42:15 +01:00
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mod collector;
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2022-08-18 15:51:47 -06:00
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mod errors;
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2024-11-10 12:04:12 +01:00
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mod mono_checks;
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2021-01-02 14:42:15 +01:00
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mod partitioning;
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mod util;
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2017-10-25 16:14:51 +02:00
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2023-11-22 09:53:07 +11:00
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rustc_fluent_macro::fluent_messages! { "../messages.ftl" }
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2022-10-13 10:13:02 +01:00
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2021-01-07 00:41:55 -05:00
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fn custom_coerce_unsize_info<'tcx>(
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2022-11-17 14:39:19 +00:00
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tcx: TyCtxtAt<'tcx>,
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2019-06-12 00:11:55 +03:00
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source_ty: Ty<'tcx>,
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target_ty: Ty<'tcx>,
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2024-01-23 15:23:22 +00:00
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) -> Result<CustomCoerceUnsized, ErrorGuaranteed> {
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2024-05-10 14:59:56 -04:00
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let trait_ref = ty::TraitRef::new(
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2023-04-26 10:55:11 +00:00
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tcx.tcx,
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2024-05-10 14:59:56 -04:00
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tcx.require_lang_item(LangItem::CoerceUnsized, Some(tcx.span)),
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2023-04-25 16:07:48 +00:00
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[source_ty, target_ty],
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2023-07-04 01:18:31 +00:00
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);
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2017-10-25 16:14:51 +02:00
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2024-11-15 13:53:31 +01:00
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match tcx
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.codegen_select_candidate(ty::TypingEnv::fully_monomorphized().as_query_input(trait_ref))
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{
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2020-09-24 19:22:36 +02:00
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Ok(traits::ImplSource::UserDefined(traits::ImplSourceUserDefinedData {
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2020-06-02 15:54:24 +00:00
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impl_def_id,
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..
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2024-01-23 15:23:22 +00:00
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})) => Ok(tcx.coerce_unsized_info(impl_def_id)?.custom_kind.unwrap()),
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2020-05-11 15:25:33 +00:00
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impl_source => {
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2024-11-16 20:18:13 +00:00
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bug!(
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"invalid `CoerceUnsized` from {source_ty} to {target_ty}: impl_source: {:?}",
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impl_source
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);
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2017-10-25 16:14:51 +02:00
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}
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}
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}
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2021-01-02 14:42:15 +01:00
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pub fn provide(providers: &mut Providers) {
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partitioning::provide(providers);
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2024-11-10 12:04:12 +01:00
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mono_checks::provide(providers);
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2021-01-02 14:42:15 +01:00
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}
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