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Implement Deref<LayoutS> for Layout

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This commit is contained in:
Lukas Wirth 2023-09-29 18:00:06 +02:00
parent 67e5eb6cec
commit 6d141c11c0
4 changed files with 11 additions and 4 deletions
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2
compiler/rustc_middle/src/arena.rs
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@ -8,7 +8,7 @@
macro_rules! arena_types {
($macro:path) => (
$macro!([
[] layout: rustc_target::abi::LayoutS,
[] layout: rustc_target::abi::LayoutS<rustc_target::abi::FieldIdx, rustc_target::abi::VariantIdx>,
[] fn_abi: rustc_target::abi::call::FnAbi<'tcx, rustc_middle::ty::Ty<'tcx>>,
// AdtDef are interned and compared by address
[decode] adt_def: rustc_middle::ty::AdtDefData,

4
compiler/rustc_middle/src/ty/context.rs
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@ -152,7 +152,7 @@ pub struct CtxtInterners<'tcx> {
const_: InternedSet<'tcx, ConstData<'tcx>>,
const_allocation: InternedSet<'tcx, Allocation>,
bound_variable_kinds: InternedSet<'tcx, List<ty::BoundVariableKind>>,
layout: InternedSet<'tcx, LayoutS>,
layout: InternedSet<'tcx, LayoutS<FieldIdx, VariantIdx>>,
adt_def: InternedSet<'tcx, AdtDefData>,
external_constraints: InternedSet<'tcx, ExternalConstraintsData<'tcx>>,
predefined_opaques_in_body: InternedSet<'tcx, PredefinedOpaquesData<'tcx>>,
@ -1521,7 +1521,7 @@ direct_interners! {
region: pub(crate) intern_region(RegionKind<'tcx>): Region -> Region<'tcx>,
const_: intern_const(ConstData<'tcx>): Const -> Const<'tcx>,
const_allocation: pub mk_const_alloc(Allocation): ConstAllocation -> ConstAllocation<'tcx>,
layout: pub mk_layout(LayoutS): Layout -> Layout<'tcx>,
layout: pub mk_layout(LayoutS<FieldIdx, VariantIdx>): Layout -> Layout<'tcx>,
adt_def: pub mk_adt_def_from_data(AdtDefData): AdtDef -> AdtDef<'tcx>,
external_constraints: pub mk_external_constraints(ExternalConstraintsData<'tcx>):
ExternalConstraints -> ExternalConstraints<'tcx>,

7
compiler/rustc_target/src/abi/mod.rs
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@ -73,6 +73,13 @@ impl<'a> fmt::Debug for Layout<'a> {
}
}
impl<'a> Deref for Layout<'a> {
type Target = &'a LayoutS<FieldIdx, VariantIdx>;
fn deref(&self) -> &&'a LayoutS<FieldIdx, VariantIdx> {
&self.0.0
}
}
impl<'a> Layout<'a> {
pub fn fields(self) -> &'a FieldsShape<FieldIdx> {
&self.0.0.fields

2
compiler/rustc_ty_utils/src/layout.rs
View File

@ -85,7 +85,7 @@ fn univariant_uninterned<'tcx>(
fields: &IndexSlice<FieldIdx, Layout<'_>>,
repr: &ReprOptions,
kind: StructKind,
) -> Result<LayoutS, &'tcx LayoutError<'tcx>> {
) -> Result<LayoutS<FieldIdx, VariantIdx>, &'tcx LayoutError<'tcx>> {
let dl = cx.data_layout();
let pack = repr.pack;
if pack.is_some() && repr.align.is_some() {