Struct rustc::lint::context::EarlyContext

pub struct EarlyContext<'a> {
    pub sess: &'a Session,
    pub krate: &'a Crate,
    builder: LintLevelsBuilder<'a>,
    lint_sess: LintSession<'a, EarlyLintPassObject>,
    buffered: LintBuffer,
}

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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.

builder: LintLevelsBuilder<'a>

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lint_sess: LintSession<'a, EarlyLintPassObject>

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The store of registered lints and the lint levels.

buffered: LintBuffer

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Methods

impl<'a> EarlyContext<'a>

fn new(sess: &'a Session, krate: &'a Crate) -> EarlyContext<'a>

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fn check_id(&mut self, id: NodeId)

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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 lookup_and_emit_with_diagnostics<S: Into<MultiSpan>>(     &self,     lint: &'static Lint,     span: Option<S>,     msg: &str,     diagnostic: BuiltinLintDiagnostics )

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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, ident: 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_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,     m: &'a TraitBoundModifier )

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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_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_anon_const(&mut self, c: &'ast AnonConst)

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

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fn visit_label(&mut self, label: &'ast Label)

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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 Spanned<VisibilityKind>)

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

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