Add nested bool to DefKind::Static.

Will be used in the next commit
This commit is contained in:
Oli Scherer 2024-02-23 23:29:09 +00:00
parent 9816915954
commit 0b4cbee660
10 changed files with 19 additions and 13 deletions

View file

@ -459,7 +459,7 @@ fn check_safe_pointer(
assert!(self.ecx.tcx.is_static(did));
let is_mut = matches!(
self.ecx.tcx.def_kind(did),
DefKind::Static { mt: Mutability::Mut }
DefKind::Static { mt: Mutability::Mut, .. }
) || !self
.ecx
.tcx

View file

@ -78,6 +78,8 @@ pub enum DefKind {
Static {
/// Whether it's a `static mut` or just a `static`.
mt: ast::Mutability,
/// Whether it's an anonymous static generated for nested allocations.
nested: bool,
},
/// Refers to the struct or enum variant's constructor.
///

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@ -48,7 +48,7 @@ fn is_path_static_mut(expr: hir::Expr<'_>) -> Option<String> {
if let hir::ExprKind::Path(qpath) = expr.kind
&& let hir::QPath::Resolved(_, path) = qpath
&& let hir::def::Res::Def(def_kind, _) = path.res
&& let hir::def::DefKind::Static { mt } = def_kind
&& let hir::def::DefKind::Static { mt, nested: false } = def_kind
&& matches!(mt, Mutability::Mut)
{
return Some(qpath_to_string(&qpath));

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@ -155,8 +155,10 @@ impl FixedSizeEncoding for Option<$ty> {
( Impl { of_trait: false } )
( Impl { of_trait: true } )
( Closure )
( Static{mt:ast::Mutability::Not} )
( Static{mt:ast::Mutability::Mut} )
( Static{mt:ast::Mutability::Not, nested: false})
( Static{mt:ast::Mutability::Mut, nested: false})
( Static{mt:ast::Mutability::Not, nested: true})
( Static{mt:ast::Mutability::Mut, nested: true})
( Ctor(CtorOf::Struct, CtorKind::Fn) )
( Ctor(CtorOf::Struct, CtorKind::Const) )
( Ctor(CtorOf::Variant, CtorKind::Fn) )

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@ -343,7 +343,7 @@ pub fn body_owner_kind(self, def_id: impl Into<DefId>) -> BodyOwnerKind {
DefKind::InlineConst => BodyOwnerKind::Const { inline: true },
DefKind::Ctor(..) | DefKind::Fn | DefKind::AssocFn => BodyOwnerKind::Fn,
DefKind::Closure => BodyOwnerKind::Closure,
DefKind::Static { mt } => BodyOwnerKind::Static(mt),
DefKind::Static { mt, nested: false } => BodyOwnerKind::Static(mt),
dk => bug!("{:?} is not a body node: {:?}", def_id, dk),
}
}

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@ -498,8 +498,10 @@ fn write_mir_sig(tcx: TyCtxt<'_>, body: &Body<'_>, w: &mut dyn io::Write) -> io:
match (kind, body.source.promoted) {
(_, Some(_)) => write!(w, "const ")?, // promoteds are the closest to consts
(DefKind::Const | DefKind::AssocConst, _) => write!(w, "const ")?,
(DefKind::Static { mt: hir::Mutability::Not }, _) => write!(w, "static ")?,
(DefKind::Static { mt: hir::Mutability::Mut }, _) => write!(w, "static mut ")?,
(DefKind::Static { mt: hir::Mutability::Not, nested: false }, _) => write!(w, "static ")?,
(DefKind::Static { mt: hir::Mutability::Mut, nested: false }, _) => {
write!(w, "static mut ")?
}
(_, _) if is_function => write!(w, "fn ")?,
(DefKind::AnonConst | DefKind::InlineConst, _) => {} // things like anon const, not an item
_ => bug!("Unexpected def kind {:?}", kind),

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@ -621,7 +621,7 @@ pub fn is_static(self, def_id: DefId) -> bool {
#[inline]
pub fn static_mutability(self, def_id: DefId) -> Option<hir::Mutability> {
if let DefKind::Static { mt } = self.def_kind(def_id) { Some(mt) } else { None }
if let DefKind::Static { mt, .. } = self.def_kind(def_id) { Some(mt) } else { None }
}
/// Returns `true` if this is a `static` item with the `#[thread_local]` attribute.

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@ -127,7 +127,7 @@ fn visit_item(&mut self, i: &'a Item) {
ItemKind::Union(..) => DefKind::Union,
ItemKind::ExternCrate(..) => DefKind::ExternCrate,
ItemKind::TyAlias(..) => DefKind::TyAlias,
ItemKind::Static(s) => DefKind::Static { mt: s.mutability },
ItemKind::Static(s) => DefKind::Static { mt: s.mutability, nested: false },
ItemKind::Const(..) => DefKind::Const,
ItemKind::Fn(..) | ItemKind::Delegation(..) => DefKind::Fn,
ItemKind::MacroDef(..) => {
@ -214,7 +214,7 @@ fn visit_use_tree(&mut self, use_tree: &'a UseTree, id: NodeId, _nested: bool) {
fn visit_foreign_item(&mut self, fi: &'a ForeignItem) {
let def_kind = match fi.kind {
ForeignItemKind::Static(_, mt, _) => DefKind::Static { mt },
ForeignItemKind::Static(_, mt, _) => DefKind::Static { mt, nested: false },
ForeignItemKind::Fn(_) => DefKind::Fn,
ForeignItemKind::TyAlias(_) => DefKind::ForeignTy,
ForeignItemKind::MacCall(_) => return self.visit_macro_invoc(fi.id),

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@ -1514,7 +1514,7 @@ fn from_str(link: &str) -> Result<Option<(Self, &str, &str)>, (String, Range<usi
"union" => Kind(DefKind::Union),
"module" | "mod" => Kind(DefKind::Mod),
"const" | "constant" => Kind(DefKind::Const),
"static" => Kind(DefKind::Static { mt: Mutability::Not }),
"static" => Kind(DefKind::Static { mt: Mutability::Not, nested: false }),
"function" | "fn" | "method" => Kind(DefKind::Fn),
"derive" => Kind(DefKind::Macro(MacroKind::Derive)),
"type" => NS(Namespace::TypeNS),

View file

@ -109,7 +109,7 @@ fn collect_unsafe_exprs<'tcx>(
ExprKind::Path(QPath::Resolved(
_,
hir::Path {
res: Res::Def(DefKind::Static{mt:Mutability::Mut}, _),
res: Res::Def(DefKind::Static{mt:Mutability::Mut, ..}, _),
..
},
)) => {
@ -149,7 +149,7 @@ fn collect_unsafe_exprs<'tcx>(
ExprKind::Path(QPath::Resolved(
_,
hir::Path {
res: Res::Def(DefKind::Static{mt:Mutability::Mut}, _),
res: Res::Def(DefKind::Static{mt:Mutability::Mut, ..}, _),
..
}
))