Struct rustc_borrowck::borrowck::BorrowckCtxt

pub struct BorrowckCtxt<'a, 'tcx: 'a> {
    tcx: TyCtxt<'a, 'tcx, 'tcx>,
    tables: &'a TypeckTables<'tcx>,
    region_scope_tree: Lrc<ScopeTree>,
    owner_def_id: DefId,
    body: &'tcx Body,
    used_mut_nodes: RefCell<FxHashSet<HirId>>,
    signalled_any_error: Cell<SignalledError>,
}

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Fields

tcx: TyCtxt<'a, 'tcx, 'tcx>

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tables: &'a TypeckTables<'tcx>

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region_scope_tree: Lrc<ScopeTree>

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owner_def_id: DefId

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body: &'tcx Body

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used_mut_nodes: RefCell<FxHashSet<HirId>>

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signalled_any_error: Cell<SignalledError>

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Methods

impl<'a, 'tcx: 'a> BorrowckCtxt<'a, 'tcx>

fn signal_error(&self)

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impl<'a, 'tcx> BorrowckCtxt<'a, 'tcx>

pub fn is_subregion_of(&self, r_sub: Region<'tcx>, r_sup: Region<'tcx>) -> bool

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pub fn report(&self, err: BckError<'a, 'tcx>)

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pub fn report_use_of_moved_value(     &self,     use_span: Span,     use_kind: MovedValueUseKind,     lp: &LoanPath<'tcx>,     the_move: &Move,     moved_lp: &LoanPath<'tcx> )

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pub fn report_partial_reinitialization_of_uninitialized_structure(     &self,     span: Span,     lp: &LoanPath<'tcx> )

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pub fn report_reassigned_immutable_variable(     &self,     span: Span,     lp: &LoanPath<'tcx>,     assign: &Assignment )

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fn report_bckerr(&self, err: &BckError<'a, 'tcx>)

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pub fn report_aliasability_violation(     &self,     span: Span,     kind: AliasableViolationKind,     cause: AliasableReason,     cmt: &cmt_<'tcx> )

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fn suggest_mut_for_immutable(     &self,     pty: &Ty,     is_implicit_self: bool ) -> Option<String>

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Given a type, if it is an immutable reference, return a suggestion to make it mutable

fn local_binding_mode(&self, node_id: NodeId) -> BindingMode

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fn local_ty(&self, node_id: NodeId) -> (Option<&Ty>, bool)

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fn note_immutability_blame(     &self,     db: &mut DiagnosticBuilder,     blame: Option<ImmutabilityBlame>,     error_node_id: NodeId )

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fn note_immutable_local(     &self,     db: &mut DiagnosticBuilder,     borrowed_node_id: NodeId,     binding_node_id: NodeId )

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fn report_out_of_scope_escaping_closure_capture(     &self,     err: &BckError<'a, 'tcx>,     capture_span: Span )

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fn region_end_span(&self, region: Region<'tcx>) -> Option<Span>

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fn note_and_explain_mutbl_error(     &self,     db: &mut DiagnosticBuilder,     err: &BckError<'a, 'tcx>,     error_span: &Span )

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pub fn append_loan_path_to_string(     &self,     loan_path: &LoanPath<'tcx>,     out: &mut String )

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pub fn append_autoderefd_loan_path_to_string(     &self,     loan_path: &LoanPath<'tcx>,     out: &mut String )

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pub fn loan_path_to_string(&self, loan_path: &LoanPath<'tcx>) -> String

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pub fn cmt_to_string(&self, cmt: &cmt_<'tcx>) -> String

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pub fn cmt_to_path_or_string(&self, cmt: &cmt_<'tcx>) -> String

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Trait Implementations

impl<'a, 'b, 'tcx: 'b> BorrowckErrors<'a> for &'a BorrowckCtxt<'b, 'tcx>

fn struct_span_err_with_code<S: Into<MultiSpan>>(     self,     sp: S,     msg: &str,     code: DiagnosticId ) -> DiagnosticBuilder<'a>

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fn struct_span_err<S: Into<MultiSpan>>(     self,     sp: S,     msg: &str ) -> DiagnosticBuilder<'a>

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fn cancel_if_wrong_origin(     self,     diag: DiagnosticBuilder<'a>,     o: Origin ) -> DiagnosticBuilder<'a>

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Cancels the given error if we shouldn't emit errors for a given origin in the current mode.

fn cannot_move_when_borrowed(     self,     span: Span,     desc: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_use_when_mutably_borrowed(     self,     span: Span,     desc: &str,     borrow_span: Span,     borrow_desc: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_act_on_uninitialized_variable(     self,     span: Span,     verb: &str,     desc: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_mutably_borrow_multiply(     self,     new_loan_span: Span,     desc: &str,     opt_via: &str,     old_loan_span: Span,     old_opt_via: &str,     old_load_end_span: Option<Span>,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_uniquely_borrow_by_two_closures(     self,     new_loan_span: Span,     desc: &str,     old_loan_span: Span,     old_load_end_span: Option<Span>,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_uniquely_borrow_by_one_closure(     self,     new_loan_span: Span,     desc_new: &str,     opt_via: &str,     old_loan_span: Span,     noun_old: &str,     old_opt_via: &str,     previous_end_span: Option<Span>,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_reborrow_already_uniquely_borrowed(     self,     new_loan_span: Span,     desc_new: &str,     opt_via: &str,     kind_new: &str,     old_loan_span: Span,     old_opt_via: &str,     previous_end_span: Option<Span>,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_reborrow_already_borrowed(     self,     span: Span,     desc_new: &str,     msg_new: &str,     kind_new: &str,     old_span: Span,     noun_old: &str,     kind_old: &str,     msg_old: &str,     old_load_end_span: Option<Span>,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_assign_to_borrowed(     self,     span: Span,     borrow_span: Span,     desc: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_move_into_closure(     self,     span: Span,     desc: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_reassign_immutable(     self,     span: Span,     desc: &str,     is_arg: bool,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_assign(     self,     span: Span,     desc: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_assign_static(     self,     span: Span,     desc: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_move_out_of(     self,     move_from_span: Span,     move_from_desc: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_move_out_of_interior_noncopy(     self,     move_from_span: Span,     ty: &TyS,     is_index: Option<bool>,     o: Origin ) -> DiagnosticBuilder<'cx>

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Signal an error due to an attempt to move out of the interior of an array or slice. is_index is None when error origin didn't capture whether there was an indexing operation or not.

fn cannot_move_out_of_interior_of_drop(     self,     move_from_span: Span,     container_ty: &TyS,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_act_on_moved_value(     self,     use_span: Span,     verb: &str,     optional_adverb_for_moved: &str,     moved_path: Option<String>,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_partially_reinit_an_uninit_struct(     self,     span: Span,     uninit_path: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn closure_cannot_assign_to_borrowed(     self,     span: Span,     descr: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_borrow_path_as_mutable_because(     self,     span: Span,     path: &str,     reason: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_borrow_path_as_mutable(     self,     span: Span,     path: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_borrow_across_generator_yield(     self,     span: Span,     yield_span: Span,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn path_does_not_live_long_enough(     self,     span: Span,     path: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn lifetime_too_short_for_reborrow(     self,     span: Span,     path: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_act_on_capture_in_sharable_fn(     self,     span: Span,     bad_thing: &str,     help: (Span, &str),     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_assign_into_immutable_reference(     self,     span: Span,     bad_thing: &str,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn cannot_capture_in_long_lived_closure(     self,     closure_span: Span,     borrowed_path: &str,     capture_span: Span,     o: Origin ) -> DiagnosticBuilder<'cx>

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fn thread_local_value_does_not_live_long_enough(     self,     span: Span,     o: Origin ) -> DiagnosticBuilder<'cx>

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