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hir: Add Become expression kind

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This commit is contained in:
Maybe Waffle 2022-11-21 12:40:27 +00:00
parent 97bf23d26b
commit ccb71ff424
28 changed files with 268 additions and 72 deletions
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5
compiler/rustc_mir_build/src/thir/cx/expr.rs
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@ -695,6 +695,11 @@ impl<'tcx> Cx<'tcx> {
ExprKind::Repeat { value: self.mirror_expr(v), count: *count }
}
hir::ExprKind::Ret(ref v) => ExprKind::Return { value: v.map(|v| self.mirror_expr(v)) },
hir::ExprKind::Become(call) => {
// FIXME(explicit_tail_calls): use `ExprKind::Become` once we implemented it
// Temporary transform `become` into a `return`, so we can write tests for code before this stage
ExprKind::Return { value: Some(self.mirror_expr(call)) }
}
hir::ExprKind::Break(dest, ref value) => match dest.target_id {
Ok(target_id) => ExprKind::Break {
label: region::Scope { id: target_id.local_id, data: region::ScopeData::Node },