bjoernager/rust
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Add hir::GeneratorKind::Gen

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This commit is contained in:
Oli Scherer 2023-10-20 19:21:24 +00:00
parent a61cf673cd
commit 14423080f1
12 changed files with 99 additions and 22 deletions
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7
compiler/rustc_ast_lowering/src/expr.rs
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@ -712,7 +712,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
let full_span = expr.span.to(await_kw_span);
match self.coroutine_kind {
Some(hir::CoroutineKind::Async(_)) => {}
Some(hir::CoroutineKind::Coroutine) | None => {
Some(hir::CoroutineKind::Coroutine) | Some(hir::CoroutineKind::Gen(_)) | None => {
self.tcx.sess.emit_err(AwaitOnlyInAsyncFnAndBlocks {
await_kw_span,
item_span: self.current_item,
@ -936,8 +936,8 @@ impl<'hir> LoweringContext<'_, 'hir> {
}
Some(movability)
}
Some(hir::CoroutineKind::Async(_)) => {
panic!("non-`async` closure body turned `async` during lowering");
Some(hir::CoroutineKind::Gen(_)) | Some(hir::CoroutineKind::Async(_)) => {
panic!("non-`async`/`gen` closure body turned `async`/`gen` during lowering");
}
None => {
if movability == Movability::Static {
@ -1446,6 +1446,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
fn lower_expr_yield(&mut self, span: Span, opt_expr: Option<&Expr>) -> hir::ExprKind<'hir> {
match self.coroutine_kind {
Some(hir::CoroutineKind::Coroutine) => {}
Some(hir::CoroutineKind::Gen(_)) => {}
Some(hir::CoroutineKind::Async(_)) => {
self.tcx.sess.emit_err(AsyncCoroutinesNotSupported { span });
}