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Auto merge of #95655 - kckeiks:create-hir-crate-items-query, r=cjgillot

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Refactor HIR item-like traversal (part 1)

Issue  #95004

- Create hir_crate_items query which traverses tcx.hir_crate(()).owners to return a hir::ModuleItems
- use tcx.hir_crate_items in tcx.hir().items() to return an iterator of hir::ItemId
- use tcx.hir_crate_items to introduce a tcx.hir().par_items(impl Fn(hir::ItemId)) to traverse all items in parallel;

Signed-off-by: Miguel Guarniz <mi9uel9@gmail.com>

cc `@cjgillot`
This commit is contained in:
bors 2022-04-17 08:06:53 +00:00
commit edba282770
18 changed files with 435 additions and 422 deletions
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25
compiler/rustc_hir/src/target.rs
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@ -7,6 +7,7 @@
use crate::hir;
use crate::{Item, ItemKind, TraitItem, TraitItemKind};
use crate::def::DefKind;
use std::fmt::{self, Display};
#[derive(Copy, Clone, PartialEq, Debug)]
@ -130,6 +131,30 @@ impl Target {
}
}
// FIXME: For now, should only be used with def_kinds from ItemIds
pub fn from_def_kind(def_kind: DefKind) -> Target {
match def_kind {
DefKind::ExternCrate => Target::ExternCrate,
DefKind::Use => Target::Use,
DefKind::Static(..) => Target::Static,
DefKind::Const => Target::Const,
DefKind::Fn => Target::Fn,
DefKind::Macro(..) => Target::MacroDef,
DefKind::Mod => Target::Mod,
DefKind::ForeignMod => Target::ForeignMod,
DefKind::GlobalAsm => Target::GlobalAsm,
DefKind::TyAlias => Target::TyAlias,
DefKind::OpaqueTy => Target::OpaqueTy,
DefKind::Enum => Target::Enum,
DefKind::Struct => Target::Struct,
DefKind::Union => Target::Union,
DefKind::Trait => Target::Trait,
DefKind::TraitAlias => Target::TraitAlias,
DefKind::Impl => Target::Impl,
_ => panic!("impossible case reached"),
}
}
pub fn from_trait_item(trait_item: &TraitItem<'_>) -> Target {
match trait_item.kind {
TraitItemKind::Const(..) => Target::AssocConst,