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Merge attrs, better validation

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This commit is contained in:
Michael Goulet
2023-06-16 23:45:01 +00:00
parent 91e5c3f2e5
commit ca68cf0d46
16 changed files with 140 additions and 73 deletions
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22
library/core/src/marker.rs
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@@ -140,7 +140,8 @@ unsafe impl<T: Sync + ?Sized> Send for &T {}
)]
#[fundamental] // for Default, for example, which requires that `[T]: !Default` be evaluatable
#[rustc_specialization_trait]
#[rustc_deny_explicit_impl]
#[cfg_attr(not(bootstrap), rustc_deny_explicit_impl(implement_via_object = false))]
#[cfg_attr(bootstrap, rustc_deny_explicit_impl)]
#[rustc_coinductive]
pub trait Sized {
// Empty.
@@ -173,8 +174,8 @@ pub trait Sized {
/// [nomicon-coerce]: ../../nomicon/coercions.html
#[unstable(feature = "unsize", issue = "18598")]
#[lang = "unsize"]
#[rustc_deny_explicit_impl]
#[cfg_attr(not(bootstrap), rustc_do_not_implement_via_object)]
#[cfg_attr(not(bootstrap), rustc_deny_explicit_impl(implement_via_object = false))]
#[cfg_attr(bootstrap, rustc_deny_explicit_impl)]
pub trait Unsize<T: ?Sized> {
// Empty.
}
@@ -855,8 +856,8 @@ impl<T: ?Sized> StructuralEq for PhantomData<T> {}
reason = "this trait is unlikely to ever be stabilized, use `mem::discriminant` instead"
)]
#[lang = "discriminant_kind"]
#[rustc_deny_explicit_impl]
#[cfg_attr(not(bootstrap), rustc_do_not_implement_via_object)]
#[cfg_attr(not(bootstrap), rustc_deny_explicit_impl(implement_via_object = false))]
#[cfg_attr(bootstrap, rustc_deny_explicit_impl)]
pub trait DiscriminantKind {
/// The type of the discriminant, which must satisfy the trait
/// bounds required by `mem::Discriminant`.
@@ -961,8 +962,8 @@ marker_impls! {
#[unstable(feature = "const_trait_impl", issue = "67792")]
#[lang = "destruct"]
#[rustc_on_unimplemented(message = "can't drop `{Self}`", append_const_msg)]
#[rustc_deny_explicit_impl]
#[cfg_attr(not(bootstrap), rustc_do_not_implement_via_object)]
#[cfg_attr(not(bootstrap), rustc_deny_explicit_impl(implement_via_object = false))]
#[cfg_attr(bootstrap, rustc_deny_explicit_impl)]
#[const_trait]
pub trait Destruct {}
@@ -973,8 +974,8 @@ pub trait Destruct {}
#[unstable(feature = "tuple_trait", issue = "none")]
#[lang = "tuple_trait"]
#[rustc_on_unimplemented(message = "`{Self}` is not a tuple")]
#[rustc_deny_explicit_impl]
#[cfg_attr(not(bootstrap), rustc_do_not_implement_via_object)]
#[cfg_attr(not(bootstrap), rustc_deny_explicit_impl(implement_via_object = false))]
#[cfg_attr(bootstrap, rustc_deny_explicit_impl)]
pub trait Tuple {}
/// A marker for pointer-like types.
@@ -1029,7 +1030,8 @@ impl ConstParamTy for () {}
reason = "internal trait for implementing various traits for all function pointers"
)]
#[lang = "fn_ptr_trait"]
#[rustc_deny_explicit_impl]
#[cfg_attr(not(bootstrap), rustc_deny_explicit_impl(implement_via_object = false))]
#[cfg_attr(bootstrap, rustc_deny_explicit_impl)]
pub trait FnPtr: Copy + Clone {
/// Returns the address of the function pointer.
#[lang = "fn_ptr_addr"]

3
library/core/src/mem/transmutability.rs
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@@ -7,7 +7,8 @@ use crate::marker::ConstParamTy;
/// notwithstanding whatever safety checks you have asked the compiler to [`Assume`] are satisfied.
#[unstable(feature = "transmutability", issue = "99571")]
#[lang = "transmute_trait"]
#[cfg_attr(not(bootstrap), rustc_do_not_implement_via_object)]
#[cfg_attr(not(bootstrap), rustc_deny_explicit_impl(implement_via_object = false))]
#[cfg_attr(bootstrap, rustc_deny_explicit_impl)]
pub unsafe trait BikeshedIntrinsicFrom<Src, Context, const ASSUME: Assume = { Assume::NOTHING }>
where
Src: ?Sized,

4
library/core/src/ptr/metadata.rs
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@@ -50,8 +50,8 @@ use crate::hash::{Hash, Hasher};
///
/// [`to_raw_parts`]: *const::to_raw_parts
#[lang = "pointee_trait"]
#[rustc_deny_explicit_impl]
#[cfg_attr(not(bootstrap), rustc_do_not_implement_via_object)]
#[cfg_attr(not(bootstrap), rustc_deny_explicit_impl(implement_via_object = false))]
#[cfg_attr(bootstrap, rustc_deny_explicit_impl)]
pub trait Pointee {
/// The type for metadata in pointers and references to `Self`.
#[lang = "metadata_type"]