Struct rustc_const_eval::transform::validate::TypeChecker

struct TypeChecker<'a, 'tcx> {
    when: &'a str,
    body: &'a Body<'tcx>,
    tcx: TyCtxt<'tcx>,
    param_env: ParamEnv<'tcx>,
    mir_phase: MirPhase,
    reachable_blocks: BitSet<BasicBlock>,
    storage_liveness: ResultsCursor<'a, 'tcx, MaybeStorageLive<'static>>,
    place_cache: Vec<PlaceRef<'tcx>>,
    value_cache: Vec<u128>,
}

Fields

when: &'a str

body: &'a Body<'tcx>

tcx: TyCtxt<'tcx>

param_env: ParamEnv<'tcx>

mir_phase: MirPhase

reachable_blocks: BitSet<BasicBlock>

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

place_cache: Vec<PlaceRef<'tcx>>

value_cache: Vec<u128>

Implementations

impl<'a, 'tcx> TypeChecker<'a, 'tcx>

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

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

fn mir_assign_valid_types(&self, src: Ty<'tcx>, dest: Ty<'tcx>) -> bool

Check if src can be assigned into dest. This is not precise, it will accept some incorrect assignments.

Trait Implementations

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

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

fn visit_operand(&mut self, operand: &Operand<'tcx>, location: Location)

fn visit_projection_elem(
    &mut self,
    local: Local,
    proj_base: &[PlaceElem<'tcx>],
    elem: PlaceElem<'tcx>,
    context: PlaceContext,
    location: Location
)

fn visit_place(
    &mut self,
    place: &Place<'tcx>,
    cntxt: PlaceContext,
    location: Location
)

fn visit_rvalue(&mut self, rvalue: &Rvalue<'tcx>, 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_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_projection(
    &mut self,
    place_ref: PlaceRef<'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>>],
    elem: ProjectionElem<Local, 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 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)

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: 256 bytes