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.

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

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fn visit_coroutine_kind( &mut self, coroutine_kind: &'a CoroutineKind, ) -> Self::Result

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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_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, ) -> Self::Result

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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

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fn visit_fn_decl(&mut self, fn_decl: &'ast FnDecl) -> Self::Result

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fn visit_qself(&mut self, qs: &'ast Option<P<QSelf>>) -> Self::Result

Auto Trait Implementations§

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

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

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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>

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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> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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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,

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.