rustc_lint::early

Struct EarlyContextAndPass

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pub struct EarlyContextAndPass<'a, T: EarlyLintPass> {
    context: EarlyContext<'a>,
    pass: T,
}
Expand description

Implements the AST traversal for early lint passes. T provides the check_* methods.

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§context: EarlyContext<'a>§pass: T

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impl<'a, T: EarlyLintPass> EarlyContextAndPass<'a, T>

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fn inlined_check_id(&mut self, id: NodeId)

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fn check_id(&mut self, id: NodeId)

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

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.

Trait Implementations§

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impl<'a, T: EarlyLintPass> Visitor<'a> for EarlyContextAndPass<'a, T>

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fn visit_param(&mut self, param: &'a Param)

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

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

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

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fn visit_pat_field(&mut self, field: &'a PatField)

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fn visit_anon_const(&mut self, c: &'a AnonConst)

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

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fn visit_expr_field(&mut self, f: &'a ExprField)

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fn visit_stmt(&mut self, s: &'a Stmt)

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fn visit_fn(&mut self, fk: FnKind<'a>, span: Span, id: NodeId)

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fn visit_variant_data(&mut self, s: &'a VariantData)

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fn visit_field_def(&mut self, s: &'a FieldDef)

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fn visit_variant(&mut self, v: &'a Variant)

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

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fn visit_ident(&mut self, ident: Ident)

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

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

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

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fn visit_expr_post(&mut self, e: &'a Expr)

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fn visit_generic_arg(&mut self, arg: &'a GenericArg)

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fn visit_generic_param(&mut self, param: &'a GenericParam)

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

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fn visit_where_predicate(&mut self, p: &'a WherePredicate)

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fn visit_poly_trait_ref(&mut self, t: &'a PolyTraitRef)

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fn visit_assoc_item(&mut self, item: &'a AssocItem, ctxt: AssocCtxt)

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fn visit_lifetime(&mut self, lt: &'a Lifetime, _: LifetimeCtxt)

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

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fn visit_path_segment(&mut self, s: &'a PathSegment)

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

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fn visit_mac_def(&mut self, mac: &'a MacroDef, id: NodeId)

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fn visit_mac_call(&mut self, mac: &'a MacCall)

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type Result = ()

The result type of the visit_* methods. Can be either (), or ControlFlow<T>.
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fn visit_method_receiver_expr(&mut self, ex: &'ast Expr) -> Self::Result

This method is a hack to workaround unstable of stmt_expr_attributes. It can be removed once that feature is stabilized.
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fn visit_closure_binder(&mut self, b: &'ast ClosureBinder) -> Self::Result

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fn visit_trait_ref(&mut self, t: &'ast TraitRef) -> Self::Result

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fn visit_param_bound( &mut self, bounds: &'ast GenericBound, _ctxt: BoundKind, ) -> Self::Result

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fn visit_precise_capturing_arg(&mut self, arg: &'ast PreciseCapturingArg)

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fn visit_enum_def(&mut self, enum_definition: &'ast EnumDef) -> Self::Result

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fn visit_variant_discr(&mut self, discr: &'ast AnonConst) -> Self::Result

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fn visit_label(&mut self, label: &'ast Label) -> Self::Result

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fn visit_use_tree( &mut self, use_tree: &'ast UseTree, id: NodeId, _nested: bool, ) -> Self::Result

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fn visit_generic_args( &mut self, generic_args: &'ast GenericArgs, ) -> Self::Result

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fn visit_assoc_item_constraint( &mut self, constraint: &'ast AssocItemConstraint, ) -> Self::Result

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fn visit_vis(&mut self, vis: &'ast Visibility) -> Self::Result

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fn visit_fn_ret_ty(&mut self, ret_ty: &'ast FnRetTy) -> Self::Result

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fn visit_fn_header(&mut self, _header: &'ast FnHeader) -> Self::Result

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fn visit_crate(&mut self, krate: &'ast Crate) -> Self::Result

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fn visit_inline_asm(&mut self, asm: &'ast InlineAsm) -> Self::Result

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fn visit_format_args(&mut self, fmt: &'ast FormatArgs) -> Self::Result

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fn visit_inline_asm_sym(&mut self, sym: &'ast InlineAsmSym) -> Self::Result

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fn visit_capture_by(&mut self, _capture_by: &'ast CaptureBy) -> Self::Result

Auto Trait Implementations§

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impl<'a, T> Freeze for EarlyContextAndPass<'a, T>
where T: Freeze,

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impl<'a, T> !RefUnwindSafe for EarlyContextAndPass<'a, T>

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impl<'a, T> !Send for EarlyContextAndPass<'a, T>

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impl<'a, T> !Sync for EarlyContextAndPass<'a, T>

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impl<'a, T> Unpin for EarlyContextAndPass<'a, T>
where T: Unpin,

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impl<'a, T> !UnwindSafe for EarlyContextAndPass<'a, T>

Blanket Implementations§

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impl<T> Aligned for T

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const ALIGN: Alignment = _

Alignment of Self.
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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T, R> CollectAndApply<T, R> for T

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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impl<T> Filterable for T

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

Creates a filterable data provider with the given name for debugging. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<P> IntoQueryParam<P> for P

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impl<T> MaybeResult<T> for T

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type Error = !

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fn from(_: Result<T, <T as MaybeResult<T>>::Error>) -> T

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fn to_result(self) -> Result<T, <T as MaybeResult<T>>::Error>

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<I, T, U> Upcast<I, U> for T
where U: UpcastFrom<I, T>,

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fn upcast(self, interner: I) -> U

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impl<I, T> UpcastFrom<I, T> for T

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fn upcast_from(from: T, _tcx: I) -> T

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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<Tcx, T> Value<Tcx> for T
where Tcx: DepContext,

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default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed, ) -> T

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<'a, T> Captures<'a> for T
where T: ?Sized,

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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T

Layout§

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.