Struct rustc_borrowck::used_muts::GatherUsedMutsVisitor
source · struct GatherUsedMutsVisitor<'visit, 'cx, 'tcx> {
temporary_used_locals: FxHashSet<Local>,
never_initialized_mut_locals: &'visit mut FxHashSet<Local>,
mbcx: &'visit mut MirBorrowckCtxt<'cx, 'tcx>,
}
Expand description
MIR visitor for collecting used mutable variables. The ’visit lifetime represents the duration of the MIR walk.
Fields§
§temporary_used_locals: FxHashSet<Local>
§never_initialized_mut_locals: &'visit mut FxHashSet<Local>
§mbcx: &'visit mut MirBorrowckCtxt<'cx, 'tcx>
Implementations§
source§impl GatherUsedMutsVisitor<'_, '_, '_>
impl GatherUsedMutsVisitor<'_, '_, '_>
fn remove_never_initialized_mut_locals(&mut self, into: Place<'_>)
Trait Implementations§
source§impl<'visit, 'cx, 'tcx> Visitor<'tcx> for GatherUsedMutsVisitor<'visit, 'cx, 'tcx>
impl<'visit, 'cx, 'tcx> Visitor<'tcx> for GatherUsedMutsVisitor<'visit, 'cx, 'tcx>
fn visit_terminator(&mut self, terminator: &Terminator<'tcx>, location: Location)
fn visit_statement(&mut self, statement: &Statement<'tcx>, location: Location)
fn visit_local(
&mut self,
local: Local,
place_context: PlaceContext,
location: Location
)
fn visit_body(&mut self, body: &Body<'tcx>)
fn visit_basic_block_data(
&mut self,
block: BasicBlock,
data: &BasicBlockData<'tcx>
)
fn visit_source_scope_data(&mut self, scope_data: &SourceScopeData<'tcx>)
fn visit_assign(
&mut self,
place: &Place<'tcx>,
rvalue: &Rvalue<'tcx>,
location: Location
)
fn visit_assert_message(
&mut self,
msg: &AssertKind<Operand<'tcx>>,
location: Location
)
fn visit_rvalue(&mut self, rvalue: &Rvalue<'tcx>, location: Location)
fn visit_operand(&mut self, operand: &Operand<'tcx>, location: Location)
fn visit_ascribe_user_ty(
&mut self,
place: &Place<'tcx>,
variance: Variance,
user_ty: &UserTypeProjection,
location: Location
)
fn visit_coverage(&mut self, coverage: &Coverage, location: Location)
fn visit_retag(&mut self, kind: RetagKind, place: &Place<'tcx>, location: Location)
fn visit_place(
&mut self,
place: &Place<'tcx>,
context: PlaceContext,
location: Location
)
fn visit_projection(
&mut self,
place_ref: PlaceRef<'tcx>,
context: PlaceContext,
location: Location
)
fn visit_projection_elem(
&mut self,
local: Local,
proj_base: &[ProjectionElem<Local, Ty<'tcx>, Ty<'tcx>>],
elem: ProjectionElem<Local, Ty<'tcx>, Ty<'tcx>>,
context: PlaceContext,
location: Location
)
fn super_place(
&mut self,
place: &Place<'tcx>,
context: PlaceContext,
location: Location
)
fn super_projection(
&mut self,
place_ref: PlaceRef<'tcx>,
context: PlaceContext,
location: Location
)
fn super_projection_elem(
&mut self,
_local: Local,
_proj_base: &[ProjectionElem<Local, Ty<'tcx>, Ty<'tcx>>],
elem: ProjectionElem<Local, Ty<'tcx>, Ty<'tcx>>,
_context: PlaceContext,
location: Location
)
fn visit_constant(&mut self, constant: &Constant<'tcx>, location: Location)
fn visit_span(&mut self, span: Span)
fn visit_source_info(&mut self, source_info: &SourceInfo)
fn visit_ty(&mut self, ty: Ty<'tcx>, _: TyContext)
fn visit_user_type_projection(&mut self, ty: &UserTypeProjection)
fn visit_user_type_annotation(
&mut self,
index: UserTypeAnnotationIndex,
ty: &CanonicalUserTypeAnnotation<'tcx>
)
fn visit_region(&mut self, region: Region<'tcx>, _: Location)
fn visit_substs(&mut self, substs: &&'tcx List<GenericArg<'tcx>>, _: Location)
fn visit_local_decl(&mut self, local: Local, local_decl: &LocalDecl<'tcx>)
fn visit_var_debug_info(&mut self, var_debug_info: &VarDebugInfo<'tcx>)
fn visit_source_scope(&mut self, scope: SourceScope)
fn super_body(&mut self, body: &Body<'tcx>)
fn super_basic_block_data(
&mut self,
block: BasicBlock,
data: &BasicBlockData<'tcx>
)
fn super_source_scope_data(&mut self, scope_data: &SourceScopeData<'tcx>)
fn super_statement(&mut self, statement: &Statement<'tcx>, location: Location)
fn super_assign(
&mut self,
place: &Place<'tcx>,
rvalue: &Rvalue<'tcx>,
location: Location
)
fn super_terminator(&mut self, terminator: &Terminator<'tcx>, location: Location)
fn super_assert_message(
&mut self,
msg: &AssertKind<Operand<'tcx>>,
location: Location
)
fn super_rvalue(&mut self, rvalue: &Rvalue<'tcx>, location: Location)
fn super_operand(&mut self, operand: &Operand<'tcx>, location: Location)
fn super_ascribe_user_ty(
&mut self,
place: &Place<'tcx>,
_variance: Variance,
user_ty: &UserTypeProjection,
location: Location
)
fn super_coverage(&mut self, _coverage: &Coverage, _location: Location)
fn super_retag(
&mut self,
_kind: RetagKind,
place: &Place<'tcx>,
location: Location
)
fn super_local_decl(&mut self, local: Local, local_decl: &LocalDecl<'tcx>)
fn super_var_debug_info(&mut self, var_debug_info: &VarDebugInfo<'tcx>)
fn super_source_scope(&mut self, _scope: SourceScope)
fn super_constant(&mut self, constant: &Constant<'tcx>, location: Location)
fn super_span(&mut self, _span: Span)
fn super_source_info(&mut self, source_info: &SourceInfo)
fn super_user_type_projection(&mut self, _ty: &UserTypeProjection)
fn super_user_type_annotation(
&mut self,
_index: UserTypeAnnotationIndex,
ty: &CanonicalUserTypeAnnotation<'tcx>
)
fn super_ty(&mut self, _ty: Ty<'tcx>)
fn super_region(&mut self, _region: Region<'tcx>)
fn super_substs(&mut self, _substs: &&'tcx List<GenericArg<'tcx>>)
fn visit_location(&mut self, body: &Body<'tcx>, location: Location)
Auto Trait Implementations§
impl<'visit, 'cx, 'tcx> !RefUnwindSafe for GatherUsedMutsVisitor<'visit, 'cx, 'tcx>
impl<'visit, 'cx, 'tcx> !Send for GatherUsedMutsVisitor<'visit, 'cx, 'tcx>
impl<'visit, 'cx, 'tcx> !Sync for GatherUsedMutsVisitor<'visit, 'cx, 'tcx>
impl<'visit, 'cx, 'tcx> Unpin for GatherUsedMutsVisitor<'visit, 'cx, 'tcx>where
'cx: 'visit,
'tcx: 'visit,
impl<'visit, 'cx, 'tcx> !UnwindSafe for GatherUsedMutsVisitor<'visit, 'cx, 'tcx>
Blanket Implementations§
Layout§
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...)
attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.
Size: 48 bytes