bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Reveal opaque types in exhaustiveness checking

Browse source
This commit is contained in:
Nadrieril 2023-11-16 04:28:22 +01:00
parent 7e4924b55d
commit 2a87bae48d
7 changed files with 76 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

4
compiler/rustc_mir_build/src/thir/pattern/check_match.rs
View file

@ -28,6 +28,7 @@ use rustc_span::hygiene::DesugaringKind;
use rustc_span::Span;
pub(crate) fn check_match(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Result<(), ErrorGuaranteed> {
let typeck_results = tcx.typeck(def_id);
let (thir, expr) = tcx.thir_body(def_id)?;
let thir = thir.borrow();
let pattern_arena = TypedArena::default();
@ -35,6 +36,7 @@ pub(crate) fn check_match(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Result<(), Err
let mut visitor = MatchVisitor {
tcx,
thir: &*thir,
typeck_results,
param_env: tcx.param_env(def_id),
lint_level: tcx.local_def_id_to_hir_id(def_id),
let_source: LetSource::None,
@ -80,6 +82,7 @@ enum LetSource {
struct MatchVisitor<'thir, 'p, 'tcx> {
tcx: TyCtxt<'tcx>,
param_env: ty::ParamEnv<'tcx>,
typeck_results: &'tcx ty::TypeckResults<'tcx>,
thir: &'thir Thir<'tcx>,
lint_level: HirId,
let_source: LetSource,
@ -382,6 +385,7 @@ impl<'thir, 'p, 'tcx> MatchVisitor<'thir, 'p, 'tcx> {
scrutinee.map(|scrut| self.is_known_valid_scrutinee(scrut)).unwrap_or(true);
MatchCheckCtxt {
tcx: self.tcx,
typeck_results: self.typeck_results,
param_env: self.param_env,
module: self.tcx.parent_module(self.lint_level).to_def_id(),
pattern_arena: self.pattern_arena,