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Refactor is_intrinsic_fn_unsafe() and make it private

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This commit is contained in:
Francesco Zardi 2020-10-21 21:53:37 +02:00
parent 0be21b05d6
commit aff04d81ba
1 changed files with 42 additions and 39 deletions
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81
crates/hir_def/src/item_tree/lower.rs
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@ -42,45 +42,6 @@ pub(super) struct Ctx {
forced_visibility: Option<RawVisibilityId>,
}
/// Returns `true` if the given intrinsic is unsafe to call or not.
pub fn is_intrinsic_fn_unsafe(name: &Name) -> bool {
// Should be kept in sync with https://github.com/rust-lang/rust/blob/c6e4db620a7d2f569f11dcab627430921ea8aacf/compiler/rustc_typeck/src/check/intrinsic.rs#L68
*name != known::abort
&& *name != known::min_align_of
&& *name != known::needs_drop
&& *name != known::caller_location
&& *name != known::size_of_val
&& *name != known::min_align_of_val
&& *name != known::add_with_overflow
&& *name != known::sub_with_overflow
&& *name != known::mul_with_overflow
&& *name != known::wrapping_add
&& *name != known::wrapping_sub
&& *name != known::wrapping_mul
&& *name != known::saturating_add
&& *name != known::saturating_sub
&& *name != known::rotate_left
&& *name != known::rotate_right
&& *name != known::ctpop
&& *name != known::ctlz
&& *name != known::cttz
&& *name != known::bswap
&& *name != known::bitreverse
&& *name != known::discriminant_value
&& *name != known::type_id
&& *name != known::likely
&& *name != known::unlikely
&& *name != known::ptr_guaranteed_eq
&& *name != known::ptr_guaranteed_ne
&& *name != known::minnumf32
&& *name != known::minnumf64
&& *name != known::maxnumf32
&& *name != known::rustc_peek
&& *name != known::maxnumf64
&& *name != known::type_name
&& *name != known::variant_count
}
impl Ctx {
pub(super) fn new(db: &dyn DefDatabase, hygiene: Hygiene, file: HirFileId) -> Self {
Self {
@ -753,3 +714,45 @@ enum GenericsOwner<'a> {
TypeAlias,
Impl,
}
/// Returns `true` if the given intrinsic is unsafe to call, or false otherwise.
fn is_intrinsic_fn_unsafe(name: &Name) -> bool {
// Should be kept in sync with https://github.com/rust-lang/rust/blob/c6e4db620a7d2f569f11dcab627430921ea8aacf/compiler/rustc_typeck/src/check/intrinsic.rs#L68
![
known::abort,
known::min_align_of,
known::needs_drop,
known::caller_location,
known::size_of_val,
known::min_align_of_val,
known::add_with_overflow,
known::sub_with_overflow,
known::mul_with_overflow,
known::wrapping_add,
known::wrapping_sub,
known::wrapping_mul,
known::saturating_add,
known::saturating_sub,
known::rotate_left,
known::rotate_right,
known::ctpop,
known::ctlz,
known::cttz,
known::bswap,
known::bitreverse,
known::discriminant_value,
known::type_id,
known::likely,
known::unlikely,
known::ptr_guaranteed_eq,
known::ptr_guaranteed_ne,
known::minnumf32,
known::minnumf64,
known::maxnumf32,
known::rustc_peek,
known::maxnumf64,
known::type_name,
known::variant_count,
]
.contains(&name)
}