Struct rustc_lint::lint::LateContext

pub struct LateContext<'a, 'tcx> where 'tcx: 'a {
    pub tcx: TyCtxt<'a, 'tcx, 'tcx>,
    pub tables: &'a TypeckTables<'tcx>,
    pub krate: &'a Crate,
    pub access_levels: &'a AccessLevels<NodeId>,
    // some fields omitted
}

🔬 This is a nightly-only experimental API. (rustc_private)

Context for lint checking after type checking.

Fields

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

🔬 This is a nightly-only experimental API. (rustc_private)

Type context we're checking in.

tables: &'a TypeckTables<'tcx>

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Side-tables for the body we are in.

krate: &'a Crate

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The crate being checked.

access_levels: &'a AccessLevels<NodeId>

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Items accessible from the crate being checked.

Trait Implementations

impl<'a, 'tcx> LintContext<'tcx> for LateContext<'a, 'tcx>

fn sess(&self) -> &Session

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Get the overall compiler Session object.

fn lints(&self) -> &LintStore

🔬 This is a nightly-only experimental API. (rustc_private)

fn mut_lints(&mut self) -> &mut LintStore

🔬 This is a nightly-only experimental API. (rustc_private)

fn level_stack(&mut self) -> &mut Vec<(LintId, (Level, LintSource))>

🔬 This is a nightly-only experimental API. (rustc_private)

fn enter_attrs(&mut self, attrs: &'tcx [Attribute])

🔬 This is a nightly-only experimental API. (rustc_private)

fn exit_attrs(&mut self, attrs: &'tcx [Attribute])

🔬 This is a nightly-only experimental API. (rustc_private)

fn current_level(&self, lint: &'static Lint) -> Level

🔬 This is a nightly-only experimental API. (rustc_private)

Get the level of lint at the current position of the lint traversal.

fn level_src(&self, lint: &'static Lint) -> Option<(Level, LintSource)>

🔬 This is a nightly-only experimental API. (rustc_private)

fn lookup_and_emit<S>(&self, lint: &'static Lint, span: Option<S>, msg: &str) where S: Into<MultiSpan>

🔬 This is a nightly-only experimental API. (rustc_private)

fn lookup<S>(&self,
             lint: &'static Lint,
             span: Option<S>,
             msg: &str)
             -> DiagnosticBuilder where S: Into<MultiSpan>

🔬 This is a nightly-only experimental API. (rustc_private)

fn span_lint<S>(&self, lint: &'static Lint, span: S, msg: &str) where S: Into<MultiSpan>

🔬 This is a nightly-only experimental API. (rustc_private)

Emit a lint at the appropriate level, for a particular span.

fn early_lint(&self, early_lint: &EarlyLint)

🔬 This is a nightly-only experimental API. (rustc_private)

fn struct_span_lint<S>(&self,
                       lint: &'static Lint,
                       span: S,
                       msg: &str)
                       -> DiagnosticBuilder where S: Into<MultiSpan>

🔬 This is a nightly-only experimental API. (rustc_private)

fn span_lint_note(&self,
                  lint: &'static Lint,
                  span: Span,
                  msg: &str,
                  note_span: Span,
                  note: &str)

🔬 This is a nightly-only experimental API. (rustc_private)

Emit a lint and note at the appropriate level, for a particular span.

fn span_lint_help(&self, lint: &'static Lint, span: Span, msg: &str, help: &str)

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Emit a lint and help at the appropriate level, for a particular span.

fn lint(&self, lint: &'static Lint, msg: &str)

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Emit a lint at the appropriate level, with no associated span.

fn with_lint_attrs<F>(&mut self, attrs: &'tcx [Attribute], f: F) where F: FnOnce(&mut Self) -> ()

🔬 This is a nightly-only experimental API. (rustc_private)

Merge the lints specified by any lint attributes into the current lint context, call the provided function, then reset the lints in effect to their previous state.

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

fn nested_visit_map(&'this mut self) -> NestedVisitorMap<'this, 'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

Because lints are scoped lexically, we want to walk nested items in the context of the outer item, so enable deep-walking.

fn visit_id(&mut self, id: NodeId)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_nested_body(&mut self, body: BodyId)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_body(&mut self, body: &'tcx Body)

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fn visit_item(&mut self, it: &'tcx Item)

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fn visit_foreign_item(&mut self, it: &'tcx ForeignItem)

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fn visit_pat(&mut self, p: &'tcx Pat)

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fn visit_expr(&mut self, e: &'tcx Expr)

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fn visit_stmt(&mut self, s: &'tcx Spanned<Stmt_>)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_fn(&mut self,
            fk: FnKind<'tcx>,
            decl: &'tcx FnDecl,
            body_id: BodyId,
            span: Span,
            id: NodeId)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_variant_data(&mut self,
                      s: &'tcx VariantData,
                      name: Symbol,
                      g: &'tcx Generics,
                      item_id: NodeId,
                      Span)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_struct_field(&mut self, s: &'tcx StructField)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_variant(&mut self,
                 v: &'tcx Spanned<Variant_>,
                 g: &'tcx Generics,
                 item_id: NodeId)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_ty(&mut self, t: &'tcx Ty)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_name(&mut self, sp: Span, name: Symbol)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_mod(&mut self, m: &'tcx Mod, s: Span, n: NodeId)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_local(&mut self, l: &'tcx Local)

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fn visit_block(&mut self, b: &'tcx Block)

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fn visit_arm(&mut self, a: &'tcx Arm)

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fn visit_decl(&mut self, d: &'tcx Spanned<Decl_>)

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fn visit_generics(&mut self, g: &'tcx Generics)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_trait_item(&mut self, trait_item: &'tcx TraitItem)

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fn visit_impl_item(&mut self, impl_item: &'tcx ImplItem)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_lifetime(&mut self, lt: &'tcx Lifetime)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_lifetime_def(&mut self, lt: &'tcx LifetimeDef)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_path(&mut self, p: &'tcx Path, id: NodeId)

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_attribute(&mut self, attr: &'tcx Attribute)

🔬 This is a nightly-only experimental API. (rustc_private)