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Rollup merge of #90990 - nnethercote:arenas-cleanup, r=oli-obk

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Arenas cleanup

I was looking closely at the arenas code and here are some small improvement to readability.
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Yuki Okushi 2021-11-19 13:06:38 +09:00 • committed by GitHub
commit 1576a7cc81
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5 changed files with 80 additions and 71 deletions
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76
compiler/rustc_hir/src/arena.rs
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@ -1,52 +1,52 @@
/// This declares a list of types which can be allocated by `Arena`.
/// This higher-order macro declares a list of types which can be allocated by `Arena`.
///
/// Specifying the `decode` modifier will add decode impls for `&T` and `&[T]`,
/// where `T` is the type listed. These impls will appear in the implement_ty_decoder! macro.
#[macro_export]
macro_rules! arena_types {
($macro:path, $tcx:lifetime) => (
($macro:path) => (
$macro!([
// HIR types
[] hir_krate: rustc_hir::Crate<$tcx>,
[] arm: rustc_hir::Arm<$tcx>,
[] asm_operand: (rustc_hir::InlineAsmOperand<$tcx>, Span),
[] hir_krate: rustc_hir::Crate<'tcx>,
[] arm: rustc_hir::Arm<'tcx>,
[] asm_operand: (rustc_hir::InlineAsmOperand<'tcx>, Span),
[] asm_template: rustc_ast::InlineAsmTemplatePiece,
[] attribute: rustc_ast::Attribute,
[] block: rustc_hir::Block<$tcx>,
[] bare_fn_ty: rustc_hir::BareFnTy<$tcx>,
[] body: rustc_hir::Body<$tcx>,
[] generic_arg: rustc_hir::GenericArg<$tcx>,
[] generic_args: rustc_hir::GenericArgs<$tcx>,
[] generic_bound: rustc_hir::GenericBound<$tcx>,
[] generic_param: rustc_hir::GenericParam<$tcx>,
[] expr: rustc_hir::Expr<$tcx>,
[] expr_field: rustc_hir::ExprField<$tcx>,
[] pat_field: rustc_hir::PatField<$tcx>,
[] fn_decl: rustc_hir::FnDecl<$tcx>,
[] foreign_item: rustc_hir::ForeignItem<$tcx>,
[] block: rustc_hir::Block<'tcx>,
[] bare_fn_ty: rustc_hir::BareFnTy<'tcx>,
[] body: rustc_hir::Body<'tcx>,
[] generic_arg: rustc_hir::GenericArg<'tcx>,
[] generic_args: rustc_hir::GenericArgs<'tcx>,
[] generic_bound: rustc_hir::GenericBound<'tcx>,
[] generic_param: rustc_hir::GenericParam<'tcx>,
[] expr: rustc_hir::Expr<'tcx>,
[] expr_field: rustc_hir::ExprField<'tcx>,
[] pat_field: rustc_hir::PatField<'tcx>,
[] fn_decl: rustc_hir::FnDecl<'tcx>,
[] foreign_item: rustc_hir::ForeignItem<'tcx>,
[] foreign_item_ref: rustc_hir::ForeignItemRef,
[] impl_item: rustc_hir::ImplItem<$tcx>,
[] impl_item: rustc_hir::ImplItem<'tcx>,
[] impl_item_ref: rustc_hir::ImplItemRef,
[] item: rustc_hir::Item<$tcx>,
[] inline_asm: rustc_hir::InlineAsm<$tcx>,
[] llvm_inline_asm: rustc_hir::LlvmInlineAsm<$tcx>,
[] local: rustc_hir::Local<$tcx>,
[] mod_: rustc_hir::Mod<$tcx>,
[] owner_info: rustc_hir::OwnerInfo<$tcx>,
[] param: rustc_hir::Param<$tcx>,
[] pat: rustc_hir::Pat<$tcx>,
[] path: rustc_hir::Path<$tcx>,
[] path_segment: rustc_hir::PathSegment<$tcx>,
[] poly_trait_ref: rustc_hir::PolyTraitRef<$tcx>,
[] qpath: rustc_hir::QPath<$tcx>,
[] stmt: rustc_hir::Stmt<$tcx>,
[] field_def: rustc_hir::FieldDef<$tcx>,
[] trait_item: rustc_hir::TraitItem<$tcx>,
[] item: rustc_hir::Item<'tcx>,
[] inline_asm: rustc_hir::InlineAsm<'tcx>,
[] llvm_inline_asm: rustc_hir::LlvmInlineAsm<'tcx>,
[] local: rustc_hir::Local<'tcx>,
[] mod_: rustc_hir::Mod<'tcx>,
[] owner_info: rustc_hir::OwnerInfo<'tcx>,
[] param: rustc_hir::Param<'tcx>,
[] pat: rustc_hir::Pat<'tcx>,
[] path: rustc_hir::Path<'tcx>,
[] path_segment: rustc_hir::PathSegment<'tcx>,
[] poly_trait_ref: rustc_hir::PolyTraitRef<'tcx>,
[] qpath: rustc_hir::QPath<'tcx>,
[] stmt: rustc_hir::Stmt<'tcx>,
[] field_def: rustc_hir::FieldDef<'tcx>,
[] trait_item: rustc_hir::TraitItem<'tcx>,
[] trait_item_ref: rustc_hir::TraitItemRef,
[] ty: rustc_hir::Ty<$tcx>,
[] type_binding: rustc_hir::TypeBinding<$tcx>,
[] variant: rustc_hir::Variant<$tcx>,
[] where_predicate: rustc_hir::WherePredicate<$tcx>,
], $tcx);
[] ty: rustc_hir::Ty<'tcx>,
[] type_binding: rustc_hir::TypeBinding<'tcx>,
[] variant: rustc_hir::Variant<'tcx>,
[] where_predicate: rustc_hir::WherePredicate<'tcx>,
]);
)
}