Auto merge of #18183 - lnicola:sync-from-rust, r=lnicola

internal: Sync from downstream

Author: bors

Cargo.lock

@@ -85,11 +85,11 @@ tt = { path = "./crates/tt", version = "0.0.0" }
 vfs-notify = { path = "./crates/vfs-notify", version = "0.0.0" }
 vfs = { path = "./crates/vfs", version = "0.0.0" }
 
-ra-ap-rustc_lexer = { version = "0.63.0", default-features = false }
-ra-ap-rustc_parse_format = { version = "0.63.0", default-features = false }
-ra-ap-rustc_index = { version = "0.63.0", default-features = false }
-ra-ap-rustc_abi = { version = "0.63.0", default-features = false }
-ra-ap-rustc_pattern_analysis = { version = "0.63.0", default-features = false }
+ra-ap-rustc_lexer = { version = "0.68.0", default-features = false }
+ra-ap-rustc_parse_format = { version = "0.68.0", default-features = false }
+ra-ap-rustc_index = { version = "0.68.0", default-features = false }
+ra-ap-rustc_abi = { version = "0.68.0", default-features = false }
+ra-ap-rustc_pattern_analysis = { version = "0.68.0", default-features = false }
 
 # local crates that aren't published to crates.io. These should not have versions.
 test-fixture = { path = "./crates/test-fixture" }

Cargo.toml

@@ -464,6 +464,9 @@ pub const INERT_ATTRIBUTES: &[BuiltinAttribute] = &[
     // Used by the `rustc::potential_query_instability` lint to warn methods which
     // might not be stable during incremental compilation.
     rustc_attr!(rustc_lint_query_instability, Normal, template!(Word), WarnFollowing, INTERNAL_UNSTABLE),
+    // Used by the `rustc::untracked_query_information` lint to warn methods which
+    // might break incremental compilation.
+    rustc_attr!(rustc_lint_untracked_query_information, Normal, template!(Word), WarnFollowing, INTERNAL_UNSTABLE),
     // Used by the `rustc::untranslatable_diagnostic` and `rustc::diagnostic_outside_of_impl` lints
     // to assist in changes to diagnostic APIs.
     rustc_attr!(rustc_lint_diagnostics, Normal, template!(Word), WarnFollowing, INTERNAL_UNSTABLE),

crates/hir-expand/src/inert_attr_macro.rs

@@ -1,21 +1,20 @@
 //! Compute the binary representation of a type
 
-use std::{borrow::Cow, fmt};
+use std::fmt;
 
 use base_db::salsa::Cycle;
 use chalk_ir::{AdtId, FloatTy, IntTy, TyKind, UintTy};
 use hir_def::{
     layout::{
-        Abi, FieldsShape, Float, Integer, LayoutCalculator, LayoutS, Primitive, ReprOptions,
-        Scalar, Size, StructKind, TargetDataLayout, WrappingRange,
+        Abi, FieldsShape, Float, Integer, LayoutCalculator, LayoutCalculatorError, LayoutS,
+        Primitive, ReprOptions, Scalar, Size, StructKind, TargetDataLayout, WrappingRange,
     },
     LocalFieldId, StructId,
 };
 use la_arena::{Idx, RawIdx};
 use rustc_abi::AddressSpace;
 use rustc_index::{IndexSlice, IndexVec};
 
-use stdx::never;
 use triomphe::Arc;
 
 use crate::{
@@ -73,6 +72,7 @@ pub type Variants = hir_def::layout::Variants<RustcFieldIdx, RustcEnumVariantIdx
 
 #[derive(Debug, PartialEq, Eq, Clone)]
 pub enum LayoutError {
+    EmptyUnion,
     HasErrorConst,
     HasErrorType,
     HasPlaceholder,
@@ -81,6 +81,7 @@ pub enum LayoutError {
     RecursiveTypeWithoutIndirection,
     SizeOverflow,
     TargetLayoutNotAvailable,
+    UnexpectedUnsized,
     Unknown,
     UserReprTooSmall,
 }
@@ -89,6 +90,7 @@ impl std::error::Error for LayoutError {}
 impl fmt::Display for LayoutError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
+            LayoutError::EmptyUnion => write!(f, "type is an union with no fields"),
             LayoutError::HasErrorConst => write!(f, "type contains an unevaluatable const"),
             LayoutError::HasErrorType => write!(f, "type contains an error"),
             LayoutError::HasPlaceholder => write!(f, "type contains placeholders"),
@@ -99,6 +101,9 @@ impl fmt::Display for LayoutError {
             }
             LayoutError::SizeOverflow => write!(f, "size overflow"),
             LayoutError::TargetLayoutNotAvailable => write!(f, "target layout not available"),
+            LayoutError::UnexpectedUnsized => {
+                write!(f, "an unsized type was found where a sized type was expected")
+            }
             LayoutError::Unknown => write!(f, "unknown"),
             LayoutError::UserReprTooSmall => {
                 write!(f, "the `#[repr]` hint is too small to hold the discriminants of the enum")
@@ -107,19 +112,23 @@ impl fmt::Display for LayoutError {
     }
 }
 
-struct LayoutCx<'a> {
-    target: &'a TargetDataLayout,
+impl<F> From<LayoutCalculatorError<F>> for LayoutError {
+    fn from(err: LayoutCalculatorError<F>) -> Self {
+        match err {
+            LayoutCalculatorError::EmptyUnion => LayoutError::EmptyUnion,
+            LayoutCalculatorError::UnexpectedUnsized(_) => LayoutError::UnexpectedUnsized,
+            LayoutCalculatorError::SizeOverflow => LayoutError::SizeOverflow,
+        }
+    }
 }
 
-impl<'a> LayoutCalculator for LayoutCx<'a> {
-    type TargetDataLayoutRef = &'a TargetDataLayout;
-
-    fn delayed_bug(&self, txt: impl Into<Cow<'static, str>>) {
-        never!("{}", txt.into());
-    }
+struct LayoutCx<'a> {
+    calc: LayoutCalculator<&'a TargetDataLayout>,
+}
 
-    fn current_data_layout(&self) -> &'a TargetDataLayout {
-        self.target
+impl<'a> LayoutCx<'a> {
+    fn new(target: &'a TargetDataLayout) -> Self {
+        Self { calc: LayoutCalculator::new(target) }
     }
 }
 
@@ -205,8 +214,8 @@ pub fn layout_of_ty_query(
     let Ok(target) = db.target_data_layout(krate) else {
         return Err(LayoutError::TargetLayoutNotAvailable);
     };
-    let cx = LayoutCx { target: &target };
-    let dl = cx.current_data_layout();
+    let dl = &*target;
+    let cx = LayoutCx::new(dl);
     let ty = normalize(db, trait_env.clone(), ty);
     let result = match ty.kind(Interner) {
         TyKind::Adt(AdtId(def), subst) => {
@@ -281,7 +290,7 @@ pub fn layout_of_ty_query(
                 .collect::<Result<Vec<_>, _>>()?;
             let fields = fields.iter().map(|it| &**it).collect::<Vec<_>>();
             let fields = fields.iter().collect::<IndexVec<_, _>>();
-            cx.univariant(dl, &fields, &ReprOptions::default(), kind).ok_or(LayoutError::Unknown)?
+            cx.calc.univariant(&fields, &ReprOptions::default(), kind)?
         }
         TyKind::Array(element, count) => {
             let count = try_const_usize(db, count).ok_or(LayoutError::HasErrorConst)? as u64;
@@ -367,12 +376,12 @@ pub fn layout_of_ty_query(
             };
 
             // Effectively a (ptr, meta) tuple.
-            cx.scalar_pair(data_ptr, metadata)
+            cx.calc.scalar_pair(data_ptr, metadata)
         }
-        TyKind::FnDef(_, _) => layout_of_unit(&cx, dl)?,
-        TyKind::Never => cx.layout_of_never_type(),
+        TyKind::FnDef(_, _) => layout_of_unit(&cx)?,
+        TyKind::Never => cx.calc.layout_of_never_type(),
         TyKind::Dyn(_) | TyKind::Foreign(_) => {
-            let mut unit = layout_of_unit(&cx, dl)?;
+            let mut unit = layout_of_unit(&cx)?;
             match &mut unit.abi {
                 Abi::Aggregate { sized } => *sized = false,
                 _ => return Err(LayoutError::Unknown),
@@ -414,8 +423,7 @@ pub fn layout_of_ty_query(
                 .collect::<Result<Vec<_>, _>>()?;
             let fields = fields.iter().map(|it| &**it).collect::<Vec<_>>();
             let fields = fields.iter().collect::<IndexVec<_, _>>();
-            cx.univariant(dl, &fields, &ReprOptions::default(), StructKind::AlwaysSized)
-                .ok_or(LayoutError::Unknown)?
+            cx.calc.univariant(&fields, &ReprOptions::default(), StructKind::AlwaysSized)?
         }
         TyKind::Coroutine(_, _) | TyKind::CoroutineWitness(_, _) => {
             return Err(LayoutError::NotImplemented)
@@ -447,14 +455,14 @@ pub fn layout_of_ty_recover(
     Err(LayoutError::RecursiveTypeWithoutIndirection)
 }
 
-fn layout_of_unit(cx: &LayoutCx<'_>, dl: &TargetDataLayout) -> Result<Layout, LayoutError> {
-    cx.univariant::<RustcFieldIdx, RustcEnumVariantIdx, &&Layout>(
-        dl,
-        IndexSlice::empty(),
-        &ReprOptions::default(),
-        StructKind::AlwaysSized,
-    )
-    .ok_or(LayoutError::Unknown)
+fn layout_of_unit(cx: &LayoutCx<'_>) -> Result<Layout, LayoutError> {
+    cx.calc
+        .univariant::<RustcFieldIdx, RustcEnumVariantIdx, &&Layout>(
+            IndexSlice::empty(),
+            &ReprOptions::default(),
+            StructKind::AlwaysSized,
+        )
+        .map_err(Into::into)
 }
 
 fn struct_tail_erasing_lifetimes(db: &dyn HirDatabase, pointee: Ty) -> Ty {

crates/hir-ty/src/layout.rs

@@ -5,7 +5,7 @@ use std::{cmp, ops::Bound};
 use base_db::salsa::Cycle;
 use hir_def::{
     data::adt::VariantData,
-    layout::{Integer, LayoutCalculator, ReprOptions, TargetDataLayout},
+    layout::{Integer, ReprOptions, TargetDataLayout},
     AdtId, VariantId,
 };
 use intern::sym;
@@ -36,8 +36,8 @@ pub fn layout_of_adt_query(
     let Ok(target) = db.target_data_layout(krate) else {
         return Err(LayoutError::TargetLayoutNotAvailable);
     };
-    let cx = LayoutCx { target: &target };
-    let dl = cx.current_data_layout();
+    let dl = &*target;
+    let cx = LayoutCx::new(dl);
     let handle_variant = |def: VariantId, var: &VariantData| {
         var.fields()
             .iter()
@@ -73,9 +73,9 @@ pub fn layout_of_adt_query(
         .collect::<SmallVec<[_; 1]>>();
     let variants = variants.iter().map(|it| it.iter().collect()).collect::<IndexVec<_, _>>();
     let result = if matches!(def, AdtId::UnionId(..)) {
-        cx.layout_of_union(&repr, &variants).ok_or(LayoutError::Unknown)?
+        cx.calc.layout_of_union(&repr, &variants)?
     } else {
-        cx.layout_of_struct_or_enum(
+        cx.calc.layout_of_struct_or_enum(
             &repr,
             &variants,
             matches!(def, AdtId::EnumId(..)),
@@ -103,8 +103,7 @@ pub fn layout_of_adt_query(
                     .next()
                     .and_then(|it| it.iter().last().map(|it| !it.is_unsized()))
                     .unwrap_or(true),
-        )
-        .ok_or(LayoutError::SizeOverflow)?
+        )?
     };
     Ok(Arc::new(result))
 }

crates/hir-ty/src/layout/adt.rs

@@ -379,6 +379,7 @@ pub enum FnAbi {
     AvrNonBlockingInterrupt,
     C,
     CCmseNonsecureCall,
+    CCmseNonsecureEntry,
     CDecl,
     CDeclUnwind,
     CUnwind,
@@ -436,6 +437,7 @@ impl FnAbi {
             s if *s == sym::avr_dash_interrupt => FnAbi::AvrInterrupt,
             s if *s == sym::avr_dash_non_dash_blocking_dash_interrupt => FnAbi::AvrNonBlockingInterrupt,
             s if *s == sym::C_dash_cmse_dash_nonsecure_dash_call => FnAbi::CCmseNonsecureCall,
+            s if *s == sym::C_dash_cmse_dash_nonsecure_dash_entry => FnAbi::CCmseNonsecureEntry,
             s if *s == sym::C_dash_unwind => FnAbi::CUnwind,
             s if *s == sym::C => FnAbi::C,
             s if *s == sym::cdecl_dash_unwind => FnAbi::CDeclUnwind,
@@ -479,6 +481,7 @@ impl FnAbi {
             FnAbi::AvrNonBlockingInterrupt => "avr-non-blocking-interrupt",
             FnAbi::C => "C",
             FnAbi::CCmseNonsecureCall => "C-cmse-nonsecure-call",
+            FnAbi::CCmseNonsecureEntry => "C-cmse-nonsecure-entry",
             FnAbi::CDecl => "C-decl",
             FnAbi::CDeclUnwind => "cdecl-unwind",
             FnAbi::CUnwind => "C-unwind",

crates/hir-ty/src/lib.rs

@@ -32,6 +32,7 @@ const SUPPORTED_CALLING_CONVENTIONS: &[&str] = &[
     "riscv-interrupt-m",
     "riscv-interrupt-s",
     "C-cmse-nonsecure-call",
+    "C-cmse-nonsecure-entry",
     "wasm",
     "system",
     "system-unwind",

crates/ide-completion/src/completions/extern_abi.rs

@@ -94,6 +94,7 @@ define_symbols! {
     avr_dash_interrupt = "avr-interrupt",
     avr_dash_non_dash_blocking_dash_interrupt = "avr-non-blocking-interrupt",
     C_dash_cmse_dash_nonsecure_dash_call = "C-cmse-nonsecure-call",
+    C_dash_cmse_dash_nonsecure_dash_entry = "C-cmse-nonsecure-entry",
     C_dash_unwind = "C-unwind",
     cdecl_dash_unwind = "cdecl-unwind",
     fastcall_dash_unwind = "fastcall-unwind",

crates/intern/src/symbol/symbols.rs

@@ -198,6 +198,11 @@ impl<'a> Converter<'a> {
                     }
                     LIFETIME_IDENT
                 }
+                rustc_lexer::TokenKind::UnknownPrefixLifetime => {
+                    err = "Unknown lifetime prefix";
+                    LIFETIME_IDENT
+                }
+                rustc_lexer::TokenKind::RawLifetime => LIFETIME_IDENT,
 
                 rustc_lexer::TokenKind::Semi => T![;],
                 rustc_lexer::TokenKind::Comma => T![,],

crates/parser/src/lexed_str.rs

@@ -1 +1 @@
-6cf068db566de080dfa7ed24a216ea3aed2b98ce
+1b5aa96d6016bafe50e071b45d4d2e3c90fd766f