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Use FnSig instead of raw FnDecl for ForeignItemKind::Fn

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This commit is contained in:
Michael Goulet 2024-08-07 13:01:34 -04:00
parent a73bc4a131
commit 833af65f38
23 changed files with 113 additions and 98 deletions
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2
compiler/rustc_ast_lowering/src/delegation.rs
View File

@ -189,7 +189,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
) -> hir::FnSig<'hir> {
let header = if let Some(local_sig_id) = sig_id.as_local() {
match self.resolver.delegation_fn_sigs.get(&local_sig_id) {
Some(sig) => self.lower_fn_header(sig.header),
Some(sig) => self.lower_fn_header(sig.header, hir::Safety::Safe),
None => self.generate_header_error(),
}
} else {

24
compiler/rustc_ast_lowering/src/item.rs
View File

@ -237,7 +237,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
});
let sig = hir::FnSig {
decl,
header: this.lower_fn_header(*header),
header: this.lower_fn_header(*header, hir::Safety::Safe),
span: this.lower_span(*fn_sig_span),
};
hir::ItemKind::Fn(sig, generics, body_id)
@ -668,7 +668,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
ForeignItemKind::Fn(box Fn { sig, generics, .. }) => {
let fdec = &sig.decl;
let itctx = ImplTraitContext::Universal;
let (generics, (fn_dec, fn_args)) =
let (generics, (decl, fn_args)) =
self.lower_generics(generics, Const::No, false, i.id, itctx, |this| {
(
// Disallow `impl Trait` in foreign items.
@ -682,9 +682,15 @@ impl<'hir> LoweringContext<'_, 'hir> {
this.lower_fn_params_to_names(fdec),
)
});
let safety = self.lower_safety(sig.header.safety, hir::Safety::Unsafe);
hir::ForeignItemKind::Fn(fn_dec, fn_args, generics, safety)
// Unmarked safety in unsafe block defaults to unsafe.
let header = self.lower_fn_header(sig.header, hir::Safety::Unsafe);
hir::ForeignItemKind::Fn(
hir::FnSig { header, decl, span: self.lower_span(sig.span) },
fn_args,
generics,
)
}
ForeignItemKind::Static(box StaticItem { ty, mutability, expr: _, safety }) => {
let ty = self
@ -1390,7 +1396,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
coroutine_kind: Option<CoroutineKind>,
parent_constness: Const,
) -> (&'hir hir::Generics<'hir>, hir::FnSig<'hir>) {
let header = self.lower_fn_header(sig.header);
let header = self.lower_fn_header(sig.header, hir::Safety::Safe);
// Don't pass along the user-provided constness of trait associated functions; we don't want to
// synthesize a host effect param for them. We reject `const` on them during AST validation.
let constness =
@ -1403,14 +1409,18 @@ impl<'hir> LoweringContext<'_, 'hir> {
(generics, hir::FnSig { header, decl, span: self.lower_span(sig.span) })
}
pub(super) fn lower_fn_header(&mut self, h: FnHeader) -> hir::FnHeader {
pub(super) fn lower_fn_header(
&mut self,
h: FnHeader,
default_safety: hir::Safety,
) -> hir::FnHeader {
let asyncness = if let Some(CoroutineKind::Async { span, .. }) = h.coroutine_kind {
hir::IsAsync::Async(span)
} else {
hir::IsAsync::NotAsync
};
hir::FnHeader {
safety: self.lower_safety(h.safety, hir::Safety::Safe),
safety: self.lower_safety(h.safety, default_safety),
asyncness: asyncness,
constness: self.lower_constness(h.constness),
abi: self.lower_extern(h.ext),

39
compiler/rustc_hir/src/hir.rs
View File

@ -3586,7 +3586,7 @@ impl ForeignItem<'_> {
#[derive(Debug, Clone, Copy, HashStable_Generic)]
pub enum ForeignItemKind<'hir> {
/// A foreign function.
Fn(&'hir FnDecl<'hir>, &'hir [Ident], &'hir Generics<'hir>, Safety),
Fn(FnSig<'hir>, &'hir [Ident], &'hir Generics<'hir>),
/// A foreign static item (`static ext: u8`).
Static(&'hir Ty<'hir>, Mutability, Safety),
/// A foreign type.
@ -3645,7 +3645,10 @@ impl<'hir> OwnerNode<'hir> {
match self {
OwnerNode::TraitItem(TraitItem { kind: TraitItemKind::Fn(fn_sig, _), .. })
| OwnerNode::ImplItem(ImplItem { kind: ImplItemKind::Fn(fn_sig, _), .. })
| OwnerNode::Item(Item { kind: ItemKind::Fn(fn_sig, _, _), .. }) => Some(fn_sig),
| OwnerNode::Item(Item { kind: ItemKind::Fn(fn_sig, _, _), .. })
| OwnerNode::ForeignItem(ForeignItem {
kind: ForeignItemKind::Fn(fn_sig, _, _), ..
}) => Some(fn_sig),
_ => None,
}
}
@ -3654,11 +3657,10 @@ impl<'hir> OwnerNode<'hir> {
match self {
OwnerNode::TraitItem(TraitItem { kind: TraitItemKind::Fn(fn_sig, _), .. })
| OwnerNode::ImplItem(ImplItem { kind: ImplItemKind::Fn(fn_sig, _), .. })
| OwnerNode::Item(Item { kind: ItemKind::Fn(fn_sig, _, _), .. }) => Some(fn_sig.decl),
OwnerNode::ForeignItem(ForeignItem {
kind: ForeignItemKind::Fn(fn_decl, _, _, _),
..
}) => Some(fn_decl),
| OwnerNode::Item(Item { kind: ItemKind::Fn(fn_sig, _, _), .. })
| OwnerNode::ForeignItem(ForeignItem {
kind: ForeignItemKind::Fn(fn_sig, _, _), ..
}) => Some(fn_sig.decl),
_ => None,
}
}
@ -3846,11 +3848,13 @@ impl<'hir> Node<'hir> {
match self {
Node::TraitItem(TraitItem { kind: TraitItemKind::Fn(fn_sig, _), .. })
| Node::ImplItem(ImplItem { kind: ImplItemKind::Fn(fn_sig, _), .. })
| Node::Item(Item { kind: ItemKind::Fn(fn_sig, _, _), .. }) => Some(fn_sig.decl),
Node::Expr(Expr { kind: ExprKind::Closure(Closure { fn_decl, .. }), .. })
| Node::ForeignItem(ForeignItem {
kind: ForeignItemKind::Fn(fn_decl, _, _, _), ..
}) => Some(fn_decl),
| Node::Item(Item { kind: ItemKind::Fn(fn_sig, _, _), .. })
| Node::ForeignItem(ForeignItem { kind: ForeignItemKind::Fn(fn_sig, _, _), .. }) => {
Some(fn_sig.decl)
}
Node::Expr(Expr { kind: ExprKind::Closure(Closure { fn_decl, .. }), .. }) => {
Some(fn_decl)
}
_ => None,
}
}
@ -3874,7 +3878,10 @@ impl<'hir> Node<'hir> {
match self {
Node::TraitItem(TraitItem { kind: TraitItemKind::Fn(fn_sig, _), .. })
| Node::ImplItem(ImplItem { kind: ImplItemKind::Fn(fn_sig, _), .. })
| Node::Item(Item { kind: ItemKind::Fn(fn_sig, _, _), .. }) => Some(fn_sig),
| Node::Item(Item { kind: ItemKind::Fn(fn_sig, _, _), .. })
| Node::ForeignItem(ForeignItem { kind: ForeignItemKind::Fn(fn_sig, _, _), .. }) => {
Some(fn_sig)
}
_ => None,
}
}
@ -3949,7 +3956,7 @@ impl<'hir> Node<'hir> {
pub fn generics(self) -> Option<&'hir Generics<'hir>> {
match self {
Node::ForeignItem(ForeignItem {
kind: ForeignItemKind::Fn(_, _, generics, _), ..
kind: ForeignItemKind::Fn(_, _, generics), ..
})
| Node::TraitItem(TraitItem { generics, .. })
| Node::ImplItem(ImplItem { generics, .. }) => Some(generics),
@ -4039,8 +4046,8 @@ mod size_asserts {
static_assert_size!(Expr<'_>, 64);
static_assert_size!(ExprKind<'_>, 48);
static_assert_size!(FnDecl<'_>, 40);
static_assert_size!(ForeignItem<'_>, 72);
static_assert_size!(ForeignItemKind<'_>, 40);
static_assert_size!(ForeignItem<'_>, 88);
static_assert_size!(ForeignItemKind<'_>, 56);
static_assert_size!(GenericArg<'_>, 16);
static_assert_size!(GenericBound<'_>, 48);
static_assert_size!(Generics<'_>, 56);

4
compiler/rustc_hir/src/intravisit.rs
View File

@ -611,9 +611,9 @@ pub fn walk_foreign_item<'v, V: Visitor<'v>>(
try_visit!(visitor.visit_ident(foreign_item.ident));
match foreign_item.kind {
ForeignItemKind::Fn(ref function_declaration, param_names, ref generics, _) => {
ForeignItemKind::Fn(ref sig, param_names, ref generics) => {
try_visit!(visitor.visit_generics(generics));
try_visit!(visitor.visit_fn_decl(function_declaration));
try_visit!(visitor.visit_fn_decl(sig.decl));
walk_list!(visitor, visit_ident, param_names.iter().copied());
}
ForeignItemKind::Static(ref typ, _, _) => {

4
compiler/rustc_hir_analysis/src/check/check.rs
View File

@ -804,8 +804,8 @@ pub(crate) fn check_item_type(tcx: TyCtxt<'_>, def_id: LocalDefId) {
let item = tcx.hir().foreign_item(item.id);
match &item.kind {
hir::ForeignItemKind::Fn(fn_decl, _, _, _) => {
require_c_abi_if_c_variadic(tcx, fn_decl, abi, item.span);
hir::ForeignItemKind::Fn(sig, _, _) => {
require_c_abi_if_c_variadic(tcx, sig.decl, abi, item.span);
}
hir::ForeignItemKind::Static(..) => {
check_static_inhabited(tcx, def_id);

2
compiler/rustc_hir_analysis/src/check/intrinsic.rs
View File

@ -30,7 +30,7 @@ fn equate_intrinsic_type<'tcx>(
let (generics, span) = match tcx.hir_node_by_def_id(def_id) {
hir::Node::Item(hir::Item { kind: hir::ItemKind::Fn(_, generics, _), .. })
| hir::Node::ForeignItem(hir::ForeignItem {
kind: hir::ForeignItemKind::Fn(.., generics, _),
kind: hir::ForeignItemKind::Fn(_, _, generics),
..
}) => (tcx.generics_of(def_id), generics.span),
_ => {

4
compiler/rustc_hir_analysis/src/check/wfcheck.rs
View File

@ -350,8 +350,8 @@ fn check_foreign_item<'tcx>(
);
match item.kind {
hir::ForeignItemKind::Fn(decl, ..) => {
check_item_fn(tcx, def_id, item.ident, item.span, decl)
hir::ForeignItemKind::Fn(sig, ..) => {
check_item_fn(tcx, def_id, item.ident, item.span, sig.decl)
}
hir::ForeignItemKind::Static(ty, ..) => {
check_item_type(tcx, def_id, ty.span, UnsizedHandling::AllowIfForeignTail)

6
compiler/rustc_hir_analysis/src/collect.rs
View File

@ -1440,11 +1440,9 @@ fn fn_sig(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_, ty::PolyFn
icx.lowerer().lower_fn_ty(hir_id, header.safety, header.abi, decl, Some(generics), None)
}
ForeignItem(&hir::ForeignItem {
kind: ForeignItemKind::Fn(fn_decl, _, _, safety), ..
}) => {
ForeignItem(&hir::ForeignItem { kind: ForeignItemKind::Fn(sig, _, _), .. }) => {
let abi = tcx.hir().get_foreign_abi(hir_id);
compute_sig_of_foreign_fn_decl(tcx, def_id, fn_decl, abi, safety)
compute_sig_of_foreign_fn_decl(tcx, def_id, sig.decl, abi, sig.header.safety)
}
Ctor(data) | Variant(hir::Variant { data, .. }) if data.ctor().is_some() => {

2
compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs
View File

@ -604,7 +604,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> {
fn visit_foreign_item(&mut self, item: &'tcx hir::ForeignItem<'tcx>) {
match item.kind {
hir::ForeignItemKind::Fn(_, _, generics, _) => {
hir::ForeignItemKind::Fn(_, _, generics) => {
self.visit_early_late(item.hir_id(), generics, |this| {
intravisit::walk_foreign_item(this, item);
})

11
compiler/rustc_hir_pretty/src/lib.rs
View File

@ -352,16 +352,11 @@ impl<'a> State<'a> {
self.maybe_print_comment(item.span.lo());
self.print_outer_attributes(self.attrs(item.hir_id()));
match item.kind {
hir::ForeignItemKind::Fn(decl, arg_names, generics, safety) => {
hir::ForeignItemKind::Fn(sig, arg_names, generics) => {
self.head("");
self.print_fn(
decl,
hir::FnHeader {
safety,
constness: hir::Constness::NotConst,
abi: Abi::Rust,
asyncness: hir::IsAsync::NotAsync,
},
sig.decl,
sig.header,
Some(item.ident.name),
generics,
arg_names,

9
compiler/rustc_lint/src/types.rs
View File

@ -1734,13 +1734,16 @@ impl<'tcx> LateLintPass<'tcx> for ImproperCTypesDeclarations {
let abi = cx.tcx.hir().get_foreign_abi(it.hir_id());
match it.kind {
hir::ForeignItemKind::Fn(decl, _, _, _) if !vis.is_internal_abi(abi) => {
vis.check_foreign_fn(it.owner_id.def_id, decl);
hir::ForeignItemKind::Fn(sig, _, _) => {
if vis.is_internal_abi(abi) {
vis.check_fn(it.owner_id.def_id, sig.decl)
} else {
vis.check_foreign_fn(it.owner_id.def_id, sig.decl);
}
}
hir::ForeignItemKind::Static(ty, _, _) if !vis.is_internal_abi(abi) => {
vis.check_foreign_static(it.owner_id, ty.span);
}
hir::ForeignItemKind::Fn(decl, _, _, _) => vis.check_fn(it.owner_id.def_id, decl),
hir::ForeignItemKind::Static(..) | hir::ForeignItemKind::Type => (),
}
}

10
compiler/rustc_middle/src/hir/map/mod.rs
View File

@ -826,6 +826,11 @@ impl<'hir> Map<'hir> {
})
| Node::ImplItem(ImplItem {
kind: ImplItemKind::Fn(sig, ..), span: outer_span, ..
})
| Node::ForeignItem(ForeignItem {
kind: ForeignItemKind::Fn(sig, ..),
span: outer_span,
..
}) => {
// Ensure that the returned span has the item's SyntaxContext, and not the
// SyntaxContext of the visibility.
@ -884,10 +889,7 @@ impl<'hir> Map<'hir> {
},
Node::Variant(variant) => named_span(variant.span, variant.ident, None),
Node::ImplItem(item) => named_span(item.span, item.ident, Some(item.generics)),
Node::ForeignItem(item) => match item.kind {
ForeignItemKind::Fn(decl, _, _, _) => until_within(item.span, decl.output.span()),
_ => named_span(item.span, item.ident, None),
},
Node::ForeignItem(item) => named_span(item.span, item.ident, None),
Node::Ctor(_) => return self.span(self.tcx.parent_hir_id(hir_id)),
Node::Expr(Expr {
kind: ExprKind::Closure(Closure { fn_decl_span, .. }),

2
compiler/rustc_middle/src/hir/mod.rs
View File

@ -202,7 +202,7 @@ pub fn provide(providers: &mut Providers) {
..
})
| Node::ForeignItem(&ForeignItem {
kind: ForeignItemKind::Fn(_, idents, _, _),
kind: ForeignItemKind::Fn(_, idents, _),
..
}) = tcx.hir_node(tcx.local_def_id_to_hir_id(def_id))
{

2
tests/ui/extern/extern-main-issue-86110.stderr vendored
View File

@ -2,7 +2,7 @@ error: the `main` function cannot be declared in an `extern` block
--> $DIR/extern-main-issue-86110.rs:4:5
|
LL | fn main();
| ^^^^^^^^^
| ^^^^^^^^^^
error: aborting due to 1 previous error

4
tests/ui/intrinsics/safe-intrinsic-mismatch.effects.stderr
View File

@ -7,13 +7,13 @@ error: intrinsic safety mismatch between list of intrinsics within the compiler
--> $DIR/safe-intrinsic-mismatch.rs:11:5
|
LL | fn size_of<T>() -> usize;
| ^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^
error: intrinsic safety mismatch between list of intrinsics within the compiler and core library intrinsics for intrinsic `size_of`
--> $DIR/safe-intrinsic-mismatch.rs:11:5
|
LL | fn size_of<T>() -> usize;
| ^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`

4
tests/ui/intrinsics/safe-intrinsic-mismatch.stock.stderr
View File

@ -2,13 +2,13 @@ error: intrinsic safety mismatch between list of intrinsics within the compiler
--> $DIR/safe-intrinsic-mismatch.rs:11:5
|
LL | fn size_of<T>() -> usize;
| ^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^
error: intrinsic safety mismatch between list of intrinsics within the compiler and core library intrinsics for intrinsic `size_of`
--> $DIR/safe-intrinsic-mismatch.rs:11:5
|
LL | fn size_of<T>() -> usize;
| ^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`

2
tests/ui/issues/issue-16725.stderr
View File

@ -8,7 +8,7 @@ note: the function `bar` is defined here
--> $DIR/auxiliary/issue-16725.rs:2:5
|
LL | fn bar();
| ^^^^^^^^
| ^^^^^^^^^
error: aborting due to 1 previous error

60
tests/ui/lint/clashing-extern-fn.stderr
View File

@ -21,10 +21,10 @@ warning: `clash` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:14:13
|
LL | fn clash(x: u8);
| --------------- `clash` previously declared here
| ---------------- `clash` previously declared here
...
LL | fn clash(x: u64);
| ^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn(u8)`
found `unsafe extern "C" fn(u64)`
@ -41,7 +41,7 @@ LL | #[link_name = "extern_link_name"]
| --------------------------------- `extern_link_name` previously declared here
...
LL | fn extern_link_name(x: u32);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn(i16)`
found `unsafe extern "C" fn(u32)`
@ -50,7 +50,7 @@ warning: `some_other_extern_link_name` redeclares `some_other_new_name` with a d
--> $DIR/clashing-extern-fn.rs:55:9
|
LL | fn some_other_new_name(x: i16);
| ------------------------------ `some_other_new_name` previously declared here
| ------------------------------- `some_other_new_name` previously declared here
...
LL | #[link_name = "some_other_new_name"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
@ -74,10 +74,10 @@ warning: `different_mod` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:72:9
|
LL | fn different_mod(x: u8);
| ----------------------- `different_mod` previously declared here
| ------------------------ `different_mod` previously declared here
...
LL | fn different_mod(x: u64);
| ^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn(u8)`
found `unsafe extern "C" fn(u64)`
@ -86,10 +86,10 @@ warning: `variadic_decl` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:82:9
|
LL | fn variadic_decl(x: u8, ...);
| ---------------------------- `variadic_decl` previously declared here
| ----------------------------- `variadic_decl` previously declared here
...
LL | fn variadic_decl(x: u8);
| ^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn(u8, ...)`
found `unsafe extern "C" fn(u8)`
@ -98,10 +98,10 @@ warning: `weigh_banana` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:142:13
|
LL | fn weigh_banana(count: *const Banana) -> u64;
| -------------------------------------------- `weigh_banana` previously declared here
| --------------------------------------------- `weigh_banana` previously declared here
...
LL | fn weigh_banana(count: *const Banana) -> u64;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn(*const one::Banana) -> u64`
found `unsafe extern "C" fn(*const three::Banana) -> u64`
@ -110,10 +110,10 @@ warning: `draw_point` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:171:13
|
LL | fn draw_point(p: Point);
| ----------------------- `draw_point` previously declared here
| ------------------------ `draw_point` previously declared here
...
LL | fn draw_point(p: Point);
| ^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn(sameish_members::a::Point)`
found `unsafe extern "C" fn(sameish_members::b::Point)`
@ -122,10 +122,10 @@ warning: `origin` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:197:13
|
LL | fn origin() -> Point3;
| --------------------- `origin` previously declared here
| ---------------------- `origin` previously declared here
...
LL | fn origin() -> Point3;
| ^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn() -> same_sized_members_clash::a::Point3`
found `unsafe extern "C" fn() -> same_sized_members_clash::b::Point3`
@ -134,10 +134,10 @@ warning: `transparent_incorrect` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:220:13
|
LL | fn transparent_incorrect() -> T;
| ------------------------------- `transparent_incorrect` previously declared here
| -------------------------------- `transparent_incorrect` previously declared here
...
LL | fn transparent_incorrect() -> isize;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn() -> T`
found `unsafe extern "C" fn() -> isize`
@ -146,10 +146,10 @@ warning: `missing_return_type` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:259:13
|
LL | fn missing_return_type() -> usize;
| --------------------------------- `missing_return_type` previously declared here
| ---------------------------------- `missing_return_type` previously declared here
...
LL | fn missing_return_type();
| ^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn() -> usize`
found `unsafe extern "C" fn()`
@ -158,10 +158,10 @@ warning: `non_zero_usize` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:277:13
|
LL | fn non_zero_usize() -> core::num::NonZero<usize>;
| ------------------------------------------------ `non_zero_usize` previously declared here
| ------------------------------------------------- `non_zero_usize` previously declared here
...
LL | fn non_zero_usize() -> usize;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn() -> NonZero<usize>`
found `unsafe extern "C" fn() -> usize`
@ -170,10 +170,10 @@ warning: `non_null_ptr` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:279:13
|
LL | fn non_null_ptr() -> core::ptr::NonNull<usize>;
| ---------------------------------------------- `non_null_ptr` previously declared here
| ----------------------------------------------- `non_null_ptr` previously declared here
...
LL | fn non_null_ptr() -> *const usize;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn() -> NonNull<usize>`
found `unsafe extern "C" fn() -> *const usize`
@ -182,10 +182,10 @@ warning: `option_non_zero_usize_incorrect` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:373:13
|
LL | fn option_non_zero_usize_incorrect() -> usize;
| --------------------------------------------- `option_non_zero_usize_incorrect` previously declared here
| ---------------------------------------------- `option_non_zero_usize_incorrect` previously declared here
...
LL | fn option_non_zero_usize_incorrect() -> isize;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn() -> usize`
found `unsafe extern "C" fn() -> isize`
@ -194,10 +194,10 @@ warning: `option_non_null_ptr_incorrect` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:375:13
|
LL | fn option_non_null_ptr_incorrect() -> *const usize;
| -------------------------------------------------- `option_non_null_ptr_incorrect` previously declared here
| --------------------------------------------------- `option_non_null_ptr_incorrect` previously declared here
...
LL | fn option_non_null_ptr_incorrect() -> *const isize;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn() -> *const usize`
found `unsafe extern "C" fn() -> *const isize`
@ -206,10 +206,10 @@ warning: `hidden_niche_transparent_no_niche` redeclared with a different signatu
--> $DIR/clashing-extern-fn.rs:429:13
|
LL | fn hidden_niche_transparent_no_niche() -> usize;
| ----------------------------------------------- `hidden_niche_transparent_no_niche` previously declared here
| ------------------------------------------------ `hidden_niche_transparent_no_niche` previously declared here
...
LL | fn hidden_niche_transparent_no_niche() -> Option<TransparentNoNiche>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn() -> usize`
found `unsafe extern "C" fn() -> Option<TransparentNoNiche>`
@ -218,10 +218,10 @@ warning: `hidden_niche_unsafe_cell` redeclared with a different signature
--> $DIR/clashing-extern-fn.rs:433:13
|
LL | fn hidden_niche_unsafe_cell() -> usize;
| -------------------------------------- `hidden_niche_unsafe_cell` previously declared here
| --------------------------------------- `hidden_niche_unsafe_cell` previously declared here
...
LL | fn hidden_niche_unsafe_cell() -> Option<UnsafeCell<NonZero<usize>>>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn() -> usize`
found `unsafe extern "C" fn() -> Option<UnsafeCell<NonZero<usize>>>`

4
tests/ui/lint/issue-1866.stderr
View File

@ -2,10 +2,10 @@ warning: `rust_task_is_unwinding` redeclared with a different signature
--> $DIR/issue-1866.rs:23:13
|
LL | pub fn rust_task_is_unwinding(rt: *const rust_task) -> bool;
| ----------------------------------------------------------- `rust_task_is_unwinding` previously declared here
| ------------------------------------------------------------ `rust_task_is_unwinding` previously declared here
...
LL | pub fn rust_task_is_unwinding(rt: *const rust_task) -> bool;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn(*const usize) -> bool`
found `unsafe extern "C" fn(*const bool) -> bool`

8
tests/ui/lint/lint-attr-everywhere-late.stderr
View File

@ -406,10 +406,10 @@ error: `clashing1` redeclared with a different signature
--> $DIR/lint-attr-everywhere-late.rs:123:5
|
LL | fn clashing1();
| -------------- `clashing1` previously declared here
| --------------- `clashing1` previously declared here
...
LL | fn clashing1(_: i32);
| ^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn()`
found `unsafe extern "C" fn(i32)`
@ -423,10 +423,10 @@ error: `clashing2` redeclared with a different signature
--> $DIR/lint-attr-everywhere-late.rs:128:5
|
LL | fn clashing2();
| -------------- `clashing2` previously declared here
| --------------- `clashing2` previously declared here
...
LL | fn clashing2(_: i32);
| ^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
| ^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
|
= note: expected `unsafe extern "C" fn()`
found `unsafe extern "C" fn(i32)`

2
tests/ui/lint/lint-missing-doc.stderr
View File

@ -116,7 +116,7 @@ error: missing documentation for a function
--> $DIR/lint-missing-doc.rs:196:5
|
LL | pub fn extern_fn_undocumented(f: f32) -> f32;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: missing documentation for a static
--> $DIR/lint-missing-doc.rs:201:5

2
tests/ui/lint/unreachable_pub.stderr
View File

@ -130,7 +130,7 @@ warning: unreachable `pub` item
--> $DIR/unreachable_pub.rs:48:9
|
LL | pub fn catalyze() -> bool;
| ---^^^^^^^^^^^^^^^^^^^^^^
| ---^^^^^^^^^^^^^^^^^^^^^^^
| |
| help: consider restricting its visibility: `pub(crate)`
|

4
tests/ui/privacy/private-in-public-warn.stderr
View File

@ -100,7 +100,7 @@ error: type `types::Priv` is more private than the item `types::ef1`
--> $DIR/private-in-public-warn.rs:28:9
|
LL | pub fn ef1(arg: Priv);
| ^^^^^^^^^^^^^^^^^^^^^ function `types::ef1` is reachable at visibility `pub(crate)`
| ^^^^^^^^^^^^^^^^^^^^^^ function `types::ef1` is reachable at visibility `pub(crate)`
|
note: but type `types::Priv` is only usable at visibility `pub(self)`
--> $DIR/private-in-public-warn.rs:9:5
@ -112,7 +112,7 @@ error: type `types::Priv` is more private than the item `types::ef2`
--> $DIR/private-in-public-warn.rs:29:9
|
LL | pub fn ef2() -> Priv;
| ^^^^^^^^^^^^^^^^^^^^ function `types::ef2` is reachable at visibility `pub(crate)`
| ^^^^^^^^^^^^^^^^^^^^^ function `types::ef2` is reachable at visibility `pub(crate)`
|
note: but type `types::Priv` is only usable at visibility `pub(self)`
--> $DIR/private-in-public-warn.rs:9:5