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https://github.com/rust-lang/rust-analyzer
synced 2024-12-27 05:23:24 +00:00
Merge from rust-lang/rust
This commit is contained in:
commit
37f7190b3e
7 changed files with 55 additions and 38 deletions
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@ -464,6 +464,9 @@ pub const INERT_ATTRIBUTES: &[BuiltinAttribute] = &[
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// Used by the `rustc::potential_query_instability` lint to warn methods which
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// might not be stable during incremental compilation.
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rustc_attr!(rustc_lint_query_instability, Normal, template!(Word), WarnFollowing, INTERNAL_UNSTABLE),
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// Used by the `rustc::untracked_query_information` lint to warn methods which
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// might break incremental compilation.
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rustc_attr!(rustc_lint_untracked_query_information, Normal, template!(Word), WarnFollowing, INTERNAL_UNSTABLE),
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// Used by the `rustc::untranslatable_diagnostic` and `rustc::diagnostic_outside_of_impl` lints
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// to assist in changes to diagnostic APIs.
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rustc_attr!(rustc_lint_diagnostics, Normal, template!(Word), WarnFollowing, INTERNAL_UNSTABLE),
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@ -1,13 +1,13 @@
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//! Compute the binary representation of a type
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use std::{borrow::Cow, fmt};
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use std::fmt;
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use base_db::salsa::Cycle;
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use chalk_ir::{AdtId, FloatTy, IntTy, TyKind, UintTy};
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use hir_def::{
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layout::{
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Abi, FieldsShape, Float, Integer, LayoutCalculator, LayoutS, Primitive, ReprOptions,
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Scalar, Size, StructKind, TargetDataLayout, WrappingRange,
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Abi, FieldsShape, Float, Integer, LayoutCalculator, LayoutCalculatorError, LayoutS,
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Primitive, ReprOptions, Scalar, Size, StructKind, TargetDataLayout, WrappingRange,
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},
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LocalFieldId, StructId,
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};
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@ -15,7 +15,6 @@ use la_arena::{Idx, RawIdx};
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use rustc_abi::AddressSpace;
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use rustc_index::{IndexSlice, IndexVec};
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use stdx::never;
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use triomphe::Arc;
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use crate::{
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@ -107,19 +106,24 @@ impl fmt::Display for LayoutError {
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}
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}
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struct LayoutCx<'a> {
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target: &'a TargetDataLayout,
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impl<F> From<LayoutCalculatorError<F>> for LayoutError {
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fn from(err: LayoutCalculatorError<F>) -> Self {
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match err {
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LayoutCalculatorError::UnexpectedUnsized(_) | LayoutCalculatorError::EmptyUnion => {
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LayoutError::Unknown
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}
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LayoutCalculatorError::SizeOverflow => LayoutError::SizeOverflow,
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}
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}
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}
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impl<'a> LayoutCalculator for LayoutCx<'a> {
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type TargetDataLayoutRef = &'a TargetDataLayout;
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struct LayoutCx<'a> {
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calc: LayoutCalculator<&'a TargetDataLayout>,
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}
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fn delayed_bug(&self, txt: impl Into<Cow<'static, str>>) {
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never!("{}", txt.into());
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}
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fn current_data_layout(&self) -> &'a TargetDataLayout {
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self.target
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impl<'a> LayoutCx<'a> {
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fn new(target: &'a TargetDataLayout) -> Self {
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Self { calc: LayoutCalculator::new(target) }
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}
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}
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@ -205,8 +209,8 @@ pub fn layout_of_ty_query(
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let Ok(target) = db.target_data_layout(krate) else {
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return Err(LayoutError::TargetLayoutNotAvailable);
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};
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let cx = LayoutCx { target: &target };
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let dl = cx.current_data_layout();
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let dl = &*target;
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let cx = LayoutCx::new(dl);
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let ty = normalize(db, trait_env.clone(), ty);
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let result = match ty.kind(Interner) {
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TyKind::Adt(AdtId(def), subst) => {
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@ -281,7 +285,7 @@ pub fn layout_of_ty_query(
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.collect::<Result<Vec<_>, _>>()?;
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let fields = fields.iter().map(|it| &**it).collect::<Vec<_>>();
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let fields = fields.iter().collect::<IndexVec<_, _>>();
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cx.univariant(dl, &fields, &ReprOptions::default(), kind).ok_or(LayoutError::Unknown)?
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cx.calc.univariant(&fields, &ReprOptions::default(), kind)?
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}
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TyKind::Array(element, count) => {
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let count = try_const_usize(db, count).ok_or(LayoutError::HasErrorConst)? as u64;
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@ -367,12 +371,12 @@ pub fn layout_of_ty_query(
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};
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// Effectively a (ptr, meta) tuple.
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cx.scalar_pair(data_ptr, metadata)
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cx.calc.scalar_pair(data_ptr, metadata)
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}
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TyKind::FnDef(_, _) => layout_of_unit(&cx, dl)?,
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TyKind::Never => cx.layout_of_never_type(),
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TyKind::FnDef(_, _) => layout_of_unit(&cx)?,
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TyKind::Never => cx.calc.layout_of_never_type(),
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TyKind::Dyn(_) | TyKind::Foreign(_) => {
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let mut unit = layout_of_unit(&cx, dl)?;
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let mut unit = layout_of_unit(&cx)?;
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match &mut unit.abi {
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Abi::Aggregate { sized } => *sized = false,
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_ => return Err(LayoutError::Unknown),
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@ -414,8 +418,7 @@ pub fn layout_of_ty_query(
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.collect::<Result<Vec<_>, _>>()?;
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let fields = fields.iter().map(|it| &**it).collect::<Vec<_>>();
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let fields = fields.iter().collect::<IndexVec<_, _>>();
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cx.univariant(dl, &fields, &ReprOptions::default(), StructKind::AlwaysSized)
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.ok_or(LayoutError::Unknown)?
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cx.calc.univariant(&fields, &ReprOptions::default(), StructKind::AlwaysSized)?
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}
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TyKind::Coroutine(_, _) | TyKind::CoroutineWitness(_, _) => {
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return Err(LayoutError::NotImplemented)
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@ -447,14 +450,14 @@ pub fn layout_of_ty_recover(
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Err(LayoutError::RecursiveTypeWithoutIndirection)
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}
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fn layout_of_unit(cx: &LayoutCx<'_>, dl: &TargetDataLayout) -> Result<Layout, LayoutError> {
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cx.univariant::<RustcFieldIdx, RustcEnumVariantIdx, &&Layout>(
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dl,
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IndexSlice::empty(),
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&ReprOptions::default(),
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StructKind::AlwaysSized,
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)
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.ok_or(LayoutError::Unknown)
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fn layout_of_unit(cx: &LayoutCx<'_>) -> Result<Layout, LayoutError> {
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cx.calc
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.univariant::<RustcFieldIdx, RustcEnumVariantIdx, &&Layout>(
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IndexSlice::empty(),
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&ReprOptions::default(),
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StructKind::AlwaysSized,
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)
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.map_err(Into::into)
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}
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fn struct_tail_erasing_lifetimes(db: &dyn HirDatabase, pointee: Ty) -> Ty {
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@ -5,7 +5,7 @@ use std::{cmp, ops::Bound};
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use base_db::salsa::Cycle;
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use hir_def::{
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data::adt::VariantData,
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layout::{Integer, LayoutCalculator, ReprOptions, TargetDataLayout},
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layout::{Integer, ReprOptions, TargetDataLayout},
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AdtId, VariantId,
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};
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use intern::sym;
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@ -36,8 +36,8 @@ pub fn layout_of_adt_query(
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let Ok(target) = db.target_data_layout(krate) else {
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return Err(LayoutError::TargetLayoutNotAvailable);
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};
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let cx = LayoutCx { target: &target };
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let dl = cx.current_data_layout();
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let dl = &*target;
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let cx = LayoutCx::new(dl);
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let handle_variant = |def: VariantId, var: &VariantData| {
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var.fields()
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.iter()
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@ -73,9 +73,9 @@ pub fn layout_of_adt_query(
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.collect::<SmallVec<[_; 1]>>();
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let variants = variants.iter().map(|it| it.iter().collect()).collect::<IndexVec<_, _>>();
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let result = if matches!(def, AdtId::UnionId(..)) {
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cx.layout_of_union(&repr, &variants).ok_or(LayoutError::Unknown)?
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cx.calc.layout_of_union(&repr, &variants)?
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} else {
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cx.layout_of_struct_or_enum(
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cx.calc.layout_of_struct_or_enum(
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&repr,
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&variants,
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matches!(def, AdtId::EnumId(..)),
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@ -103,8 +103,7 @@ pub fn layout_of_adt_query(
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.next()
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.and_then(|it| it.iter().last().map(|it| !it.is_unsized()))
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.unwrap_or(true),
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)
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.ok_or(LayoutError::SizeOverflow)?
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)?
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};
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Ok(Arc::new(result))
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}
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@ -379,6 +379,7 @@ pub enum FnAbi {
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AvrNonBlockingInterrupt,
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C,
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CCmseNonsecureCall,
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CCmseNonsecureEntry,
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CDecl,
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CDeclUnwind,
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CUnwind,
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@ -436,6 +437,7 @@ impl FnAbi {
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s if *s == sym::avr_dash_interrupt => FnAbi::AvrInterrupt,
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s if *s == sym::avr_dash_non_dash_blocking_dash_interrupt => FnAbi::AvrNonBlockingInterrupt,
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s if *s == sym::C_dash_cmse_dash_nonsecure_dash_call => FnAbi::CCmseNonsecureCall,
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s if *s == sym::C_dash_cmse_dash_nonsecure_dash_entry => FnAbi::CCmseNonsecureEntry,
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s if *s == sym::C_dash_unwind => FnAbi::CUnwind,
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s if *s == sym::C => FnAbi::C,
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s if *s == sym::cdecl_dash_unwind => FnAbi::CDeclUnwind,
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@ -479,6 +481,7 @@ impl FnAbi {
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FnAbi::AvrNonBlockingInterrupt => "avr-non-blocking-interrupt",
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FnAbi::C => "C",
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FnAbi::CCmseNonsecureCall => "C-cmse-nonsecure-call",
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FnAbi::CCmseNonsecureEntry => "C-cmse-nonsecure-entry",
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FnAbi::CDecl => "C-decl",
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FnAbi::CDeclUnwind => "cdecl-unwind",
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FnAbi::CUnwind => "C-unwind",
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@ -32,6 +32,7 @@ const SUPPORTED_CALLING_CONVENTIONS: &[&str] = &[
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"riscv-interrupt-m",
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"riscv-interrupt-s",
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"C-cmse-nonsecure-call",
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"C-cmse-nonsecure-entry",
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"wasm",
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"system",
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"system-unwind",
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@ -94,6 +94,7 @@ define_symbols! {
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avr_dash_interrupt = "avr-interrupt",
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avr_dash_non_dash_blocking_dash_interrupt = "avr-non-blocking-interrupt",
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C_dash_cmse_dash_nonsecure_dash_call = "C-cmse-nonsecure-call",
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C_dash_cmse_dash_nonsecure_dash_entry = "C-cmse-nonsecure-entry",
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C_dash_unwind = "C-unwind",
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cdecl_dash_unwind = "cdecl-unwind",
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fastcall_dash_unwind = "fastcall-unwind",
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@ -198,6 +198,13 @@ impl<'a> Converter<'a> {
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}
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LIFETIME_IDENT
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}
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rustc_lexer::TokenKind::UnknownPrefixLifetime => {
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err = "Unknown lifetime prefix";
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LIFETIME_IDENT
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}
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rustc_lexer::TokenKind::RawLifetime => {
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LIFETIME_IDENT
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}
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rustc_lexer::TokenKind::Semi => T![;],
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rustc_lexer::TokenKind::Comma => T![,],
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