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Make sure FFI attrs aren't used on foreign statics

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Previously, we verified that FFI attrs were used on foreign items,
but this allowed them on both foreign functions and foreign statics.
This change only allows them on foreign functions.
This commit is contained in:
inquisitivecrystal
2023-01-24 02:54:00 -08:00
parent 05b7cc8370
commit 6e04e678dc
1 changed files with 9 additions and 9 deletions
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18
compiler/rustc_passes/src/check_attr.rs
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@@ -150,9 +150,9 @@ impl CheckAttrVisitor<'_> {
sym::rustc_has_incoherent_inherent_impls => {
self.check_has_incoherent_inherent_impls(&attr, span, target)
}
sym::ffi_pure => self.check_ffi_pure(hir_id, attr.span, attrs),
sym::ffi_const => self.check_ffi_const(hir_id, attr.span),
sym::ffi_returns_twice => self.check_ffi_returns_twice(hir_id, attr.span),
sym::ffi_pure => self.check_ffi_pure(attr.span, attrs, target),
sym::ffi_const => self.check_ffi_const(attr.span, target),
sym::ffi_returns_twice => self.check_ffi_returns_twice(attr.span, target),
sym::rustc_const_unstable
| sym::rustc_const_stable
| sym::unstable
@@ -1174,8 +1174,8 @@ impl CheckAttrVisitor<'_> {
}
}
fn check_ffi_pure(&self, hir_id: HirId, attr_span: Span, attrs: &[Attribute]) -> bool {
if !self.tcx.is_foreign_item(self.tcx.hir().local_def_id(hir_id)) {
fn check_ffi_pure(&self, attr_span: Span, attrs: &[Attribute], target: Target) -> bool {
if target != Target::ForeignFn {
self.tcx.sess.emit_err(errors::FfiPureInvalidTarget { attr_span });
return false;
}
@@ -1188,8 +1188,8 @@ impl CheckAttrVisitor<'_> {
}
}
fn check_ffi_const(&self, hir_id: HirId, attr_span: Span) -> bool {
if self.tcx.is_foreign_item(self.tcx.hir().local_def_id(hir_id)) {
fn check_ffi_const(&self, attr_span: Span, target: Target) -> bool {
if target == Target::ForeignFn {
true
} else {
self.tcx.sess.emit_err(errors::FfiConstInvalidTarget { attr_span });
@@ -1197,8 +1197,8 @@ impl CheckAttrVisitor<'_> {
}
}
fn check_ffi_returns_twice(&self, hir_id: HirId, attr_span: Span) -> bool {
if self.tcx.is_foreign_item(self.tcx.hir().local_def_id(hir_id)) {
fn check_ffi_returns_twice(&self, attr_span: Span, target: Target) -> bool {
if target == Target::ForeignFn {
true
} else {
self.tcx.sess.emit_err(errors::FfiReturnsTwiceInvalidTarget { attr_span });