Trait rustc_lint::LintContext

pub trait LintContext: Sized {
    type PassObject: LintPassObject;
    fn sess(&self) -> &Session;
    fn lints(&self) -> &LintStore;
    fn lookup<S: Into<MultiSpan>>(
        &self, 
        lint: &'static Lint, 
        span: Option<S>, 
        decorate: impl for<'a> FnOnce(LintDiagnosticBuilder<'a>)
    );

    fn lookup_with_diagnostics(
        &self, 
        lint: &'static Lint, 
        span: Option<impl Into<MultiSpan>>, 
        decorate: impl for<'a> FnOnce(LintDiagnosticBuilder<'a>), 
        diagnostic: BuiltinLintDiagnostics
    ) { ... }
    fn struct_span_lint<S: Into<MultiSpan>>(
        &self, 
        lint: &'static Lint, 
        span: S, 
        decorate: impl for<'a> FnOnce(LintDiagnosticBuilder<'a>)
    ) { ... }
    fn lint(
        &self, 
        lint: &'static Lint, 
        decorate: impl for<'a> FnOnce(LintDiagnosticBuilder<'a>)
    ) { ... }
}

Associated Types

type PassObject: LintPassObject

Required methods

fn sess(&self) -> &Session

fn lints(&self) -> &LintStore

fn lookup<S: Into<MultiSpan>>(
    &self,
    lint: &'static Lint,
    span: Option<S>,
    decorate: impl for<'a> FnOnce(LintDiagnosticBuilder<'a>)
)

Provided methods

fn lookup_with_diagnostics(
    &self,
    lint: &'static Lint,
    span: Option<impl Into<MultiSpan>>,
    decorate: impl for<'a> FnOnce(LintDiagnosticBuilder<'a>),
    diagnostic: BuiltinLintDiagnostics
)

fn struct_span_lint<S: Into<MultiSpan>>(
    &self,
    lint: &'static Lint,
    span: S,
    decorate: impl for<'a> FnOnce(LintDiagnosticBuilder<'a>)
)

fn lint(
    &self,
    lint: &'static Lint,
    decorate: impl for<'a> FnOnce(LintDiagnosticBuilder<'a>)
)

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

Implementors

impl LintContext for EarlyContext<'_>

type PassObject = Box<dyn EarlyLintPass + Send + Sync + 'static>

impl LintContext for LateContext<'_>

type PassObject = Box<dyn for<'tcx> LateLintPass<'tcx> + Send + Sync + 'static>