Struct rustc_mir_build::thir::pattern::check_match::MatchVisitor

struct MatchVisitor<'a, 'p, 'tcx> {
    tcx: TyCtxt<'tcx>,
    param_env: ParamEnv<'tcx>,
    thir: &'a Thir<'tcx>,
    lint_level: HirId,
    let_source: LetSource,
    pattern_arena: &'p TypedArena<DeconstructedPat<'p, 'tcx>>,
    error: Result<(), ErrorGuaranteed>,
}

Fields

tcx: TyCtxt<'tcx>

param_env: ParamEnv<'tcx>

thir: &'a Thir<'tcx>

lint_level: HirId

let_source: LetSource

pattern_arena: &'p TypedArena<DeconstructedPat<'p, 'tcx>>

error: Result<(), ErrorGuaranteed>

Implementations

impl<'p, 'tcx> MatchVisitor<'_, 'p, 'tcx>

fn with_let_source(&mut self, let_source: LetSource, f: impl FnOnce(&mut Self))

fn with_lint_level( &mut self, new_lint_level: LintLevel, f: impl FnOnce(&mut Self) )

fn check_patterns(&self, pat: &Pat<'tcx>, rf: RefutableFlag)

fn lower_pattern( &self, cx: &mut MatchCheckCtxt<'p, 'tcx>, pattern: &Pat<'tcx> ) -> &'p DeconstructedPat<'p, 'tcx>

fn new_cx(&self, hir_id: HirId, refutable: bool) -> MatchCheckCtxt<'p, 'tcx>

fn check_let( &mut self, pat: &Pat<'tcx>, scrutinee: ExprId, source: LetSource, span: Span )

fn check_match( &mut self, scrut: ExprId, arms: &[ArmId], source: MatchSource, expr_span: Span )

fn check_let_reachability( &mut self, cx: &mut MatchCheckCtxt<'p, 'tcx>, pat_id: HirId, source: LetSource, pat: &'p DeconstructedPat<'p, 'tcx>, span: Span )

fn check_let_chain( &mut self, let_source: LetSource, top_expr_span: Span, lhs: ExprId, rhs: ExprId )

fn check_irrefutable(&mut self, pat: &Pat<'tcx>, origin: &str, sp: Option<Span>)

Trait Implementations

impl<'a, 'tcx> Visitor<'a, 'tcx> for MatchVisitor<'a, '_, 'tcx>

fn thir(&self) -> &'a Thir<'tcx>

fn visit_arm(&mut self, arm: &Arm<'tcx>)

fn visit_expr(&mut self, ex: &Expr<'tcx>)

fn visit_stmt(&mut self, stmt: &Stmt<'tcx>)

fn visit_block(&mut self, block: &Block)

fn visit_pat(&mut self, pat: &Pat<'tcx>)

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 48 bytes