Struct rustc::lint::EarlyContext

pub struct EarlyContext<'a> {
    pub sess: &'a Session,
    pub krate: &'a Crate,
    // some fields omitted
}

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Context for lint checking of the AST, after expansion, before lowering to HIR.

Fields

sess: &'a Session

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Type context we're checking in.

krate: &'a Crate

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The crate being checked.

Trait Implementations

impl<'a> LintContext<'a> for EarlyContext<'a>

type PassObject = EarlyLintPassObject

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fn sess(&self) -> &Session

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Get the overall compiler Session object.

fn lints(&self) -> &LintStore

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fn lint_sess(&self) -> &LintSession<'a, Self::PassObject>

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fn lint_sess_mut(&mut self) -> &mut LintSession<'a, Self::PassObject>

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

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

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

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

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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.

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

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

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

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

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

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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.

impl<'a> Visitor<'a> for EarlyContext<'a>

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_expr(&mut self, e: &'a Expr)

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

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

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fn visit_variant_data(
    &mut self,
    s: &'a VariantData,
    ident: Ident,
    g: &'a Generics,
    item_id: NodeId,
    _: Span
)

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

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fn visit_variant(&mut self, v: &'a Variant, g: &'a Generics, item_id: NodeId)

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

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fn visit_ident(&mut self, sp: Span, id: Ident)

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fn visit_mod(&mut self, m: &'a Mod, s: Span, _a: &[Attribute], n: NodeId)

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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_generics(&mut self, g: &'a Generics)

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

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

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

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

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

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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_name(&mut self, _span: Span, _name: Symbol)

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fn visit_global_asm(&mut self, ga: &'ast GlobalAsm)

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

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fn visit_trait_ref(&mut self, t: &'ast TraitRef)

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fn visit_ty_param_bound(&mut self, bounds: &'ast TyParamBound)

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fn visit_poly_trait_ref(
    &mut self,
    t: &'ast PolyTraitRef,
    m: &'ast TraitBoundModifier
)

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fn visit_enum_def(
    &mut self,
    enum_definition: &'ast EnumDef,
    generics: &'ast Generics,
    item_id: NodeId,
    Span
)

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fn visit_mac(&mut self, _mac: &'ast Spanned<Mac_>)

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

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fn visit_path_segment(
    &mut self,
    path_span: Span,
    path_segment: &'ast PathSegment
)

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fn visit_path_parameters(
    &mut self,
    path_span: Span,
    path_parameters: &'ast PathParameters
)

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fn visit_assoc_type_binding(&mut self, type_binding: &'ast TypeBinding)

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fn visit_tt(&mut self, tt: TokenTree)

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fn visit_tts(&mut self, tts: TokenStream)

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fn visit_token(&mut self, _t: Token)

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fn visit_vis(&mut self, vis: &'ast Visibility)

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fn visit_fn_ret_ty(&mut self, ret_ty: &'ast FunctionRetTy)

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