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Move scrutinee HirId into MatchSource::TryDesugar

This commit is contained in:
Esteban Küber 2023-08-14 19:25:01 +00:00
parent 55f8c66a60
commit 5021dde1a0
29 changed files with 41 additions and 49 deletions

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@ -65,7 +65,7 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> {
let target = self.parse_block(args[1])?;
self.parse_call(args[2], destination, target)
},
ExprKind::Match { scrutinee, arms } => {
ExprKind::Match { scrutinee, arms, .. } => {
let discr = self.parse_operand(*scrutinee)?;
self.parse_match(arms, expr.span).map(|t| TerminatorKind::SwitchInt { discr, targets: t })
},

View file

@ -47,7 +47,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
ExprKind::Block { block: ast_block } => {
this.ast_block(destination, block, ast_block, source_info)
}
ExprKind::Match { scrutinee, ref arms } => {
ExprKind::Match { scrutinee, ref arms, .. } => {
this.match_expr(destination, expr_span, block, &this.thir[scrutinee], arms)
}
ExprKind::If { cond, then, else_opt, if_then_scope } => {

View file

@ -733,6 +733,7 @@ impl<'tcx> Cx<'tcx> {
},
hir::ExprKind::Match(ref discr, ref arms, _) => ExprKind::Match {
scrutinee: self.mirror_expr(discr),
scrutinee_hir_id: discr.hir_id,
arms: arms.iter().map(|a| self.convert_arm(a)).collect(),
},
hir::ExprKind::Loop(ref body, ..) => {

View file

@ -135,10 +135,12 @@ impl<'a, 'tcx> Visitor<'a, 'tcx> for MatchVisitor<'a, '_, 'tcx> {
});
return;
}
ExprKind::Match { scrutinee, box ref arms } => {
ExprKind::Match { scrutinee, scrutinee_hir_id, box ref arms } => {
let source = match ex.span.desugaring_kind() {
Some(DesugaringKind::ForLoop) => hir::MatchSource::ForLoopDesugar,
Some(DesugaringKind::QuestionMark) => hir::MatchSource::TryDesugar,
Some(DesugaringKind::QuestionMark) => {
hir::MatchSource::TryDesugar(scrutinee_hir_id)
}
Some(DesugaringKind::Await) => hir::MatchSource::AwaitDesugar,
_ => hir::MatchSource::Normal,
};
@ -277,7 +279,7 @@ impl<'p, 'tcx> MatchVisitor<'_, 'p, 'tcx> {
| hir::MatchSource::FormatArgs => report_arm_reachability(&cx, &report),
// Unreachable patterns in try and await expressions occur when one of
// the arms are an uninhabited type. Which is OK.
hir::MatchSource::AwaitDesugar | hir::MatchSource::TryDesugar => {}
hir::MatchSource::AwaitDesugar | hir::MatchSource::TryDesugar(_) => {}
}
// Check if the match is exhaustive.

View file

@ -321,7 +321,7 @@ impl<'a, 'tcx> ThirPrinter<'a, 'tcx> {
print_indented!(self, format!("pat: {:?}", pat), depth_lvl + 1);
print_indented!(self, "}", depth_lvl);
}
Match { scrutinee, arms } => {
Match { scrutinee, arms, .. } => {
print_indented!(self, "Match {", depth_lvl);
print_indented!(self, "scrutinee:", depth_lvl + 1);
self.print_expr(*scrutinee, depth_lvl + 2);