Struct rustc_const_eval::transform::validate::CfgChecker

struct CfgChecker<'a, 'tcx> {
    when: &'a str,
    body: &'a Body<'tcx>,
    tcx: TyCtxt<'tcx>,
    mir_phase: MirPhase,
    unwind_edge_count: usize,
    reachable_blocks: BitSet<BasicBlock>,
    storage_liveness: ResultsCursor<'a, 'tcx, MaybeStorageLive<'static>>,
    place_cache: FxHashSet<PlaceRef<'tcx>>,
    value_cache: FxHashSet<u128>,
    can_unwind: bool,
}

Fields

when: &'a str

body: &'a Body<'tcx>

tcx: TyCtxt<'tcx>

mir_phase: MirPhase

unwind_edge_count: usize

reachable_blocks: BitSet<BasicBlock>

storage_liveness: ResultsCursor<'a, 'tcx, MaybeStorageLive<'static>>

place_cache: FxHashSet<PlaceRef<'tcx>>

value_cache: FxHashSet<u128>

can_unwind: bool

Implementations

impl<'a, 'tcx> CfgChecker<'a, 'tcx>

fn fail(&self, location: Location, msg: impl AsRef<str>)

fn check_edge( &mut self, location: Location, bb: BasicBlock, edge_kind: EdgeKind )

fn check_cleanup_control_flow(&self)

fn check_unwind_edge(&mut self, location: Location, unwind: UnwindAction)

Trait Implementations

impl<'a, 'tcx> Visitor<'tcx> for CfgChecker<'a, 'tcx>

fn visit_local( &mut self, local: Local, context: PlaceContext, location: Location )

fn visit_statement(&mut self, statement: &Statement<'tcx>, location: Location)

fn visit_terminator( &mut self, terminator: &Terminator<'tcx>, location: Location )

fn visit_source_scope(&mut self, scope: SourceScope)

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, place_ref: PlaceRef<'tcx>, elem: ProjectionElem<Local, 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, _place_ref: PlaceRef<'tcx>, elem: ProjectionElem<Local, Ty<'tcx>>, _context: PlaceContext, location: Location )

fn visit_constant(&mut self, constant: &ConstOperand<'tcx>, location: Location)

This is called for every constant in the MIR body and every required_consts (i.e., including consts that have been dead-code-eliminated).

fn visit_ty_const(&mut self, ct: Const<'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_args(&mut self, args: &&'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 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: &ConstOperand<'tcx>, location: Location)

fn super_ty_const(&mut self, _ct: Const<'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_args(&mut self, _args: &&'tcx List<GenericArg<'tcx>>)

fn visit_location(&mut self, body: &Body<'tcx>, location: Location)

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: 280 bytes