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Only regular coroutines have movability

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This commit is contained in:
Michael Goulet
2023-12-25 16:56:12 +00:00
parent 909dd864f1
commit 3320c09eab
25 changed files with 130 additions and 104 deletions
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28
compiler/rustc_ast_lowering/src/expr.rs
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@@ -691,7 +691,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
body,
fn_decl_span: self.lower_span(span),
fn_arg_span: None,
kind: hir::ClosureKind::Coroutine(coroutine_kind, Movability::Static),
kind: hir::ClosureKind::Coroutine(coroutine_kind),
constness: hir::Constness::NotConst,
}))
}
@@ -744,7 +744,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
body,
fn_decl_span: self.lower_span(span),
fn_arg_span: None,
kind: hir::ClosureKind::Coroutine(coroutine_kind, Movability::Movable),
kind: hir::ClosureKind::Coroutine(coroutine_kind),
constness: hir::Constness::NotConst,
}))
}
@@ -829,7 +829,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
body,
fn_decl_span: self.lower_span(span),
fn_arg_span: None,
kind: hir::ClosureKind::Coroutine(coroutine_kind, Movability::Static),
kind: hir::ClosureKind::Coroutine(coroutine_kind),
constness: hir::Constness::NotConst,
}))
}
@@ -898,7 +898,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
let is_async_gen = match self.coroutine_kind {
Some(hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::Async, _)) => false,
Some(hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::AsyncGen, _)) => true,
Some(hir::CoroutineKind::Coroutine)
Some(hir::CoroutineKind::Coroutine(_))
| Some(hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::Gen, _))
| None => {
return hir::ExprKind::Err(self.tcx.sess.emit_err(AwaitOnlyInAsyncFnAndBlocks {
@@ -1126,11 +1126,11 @@ impl<'hir> LoweringContext<'_, 'hir> {
movability: Movability,
) -> hir::ClosureKind {
match coroutine_kind {
Some(hir::CoroutineKind::Coroutine) => {
Some(hir::CoroutineKind::Coroutine(_)) => {
if decl.inputs.len() > 1 {
self.tcx.sess.emit_err(CoroutineTooManyParameters { fn_decl_span });
}
hir::ClosureKind::Coroutine(hir::CoroutineKind::Coroutine, movability)
hir::ClosureKind::Coroutine(hir::CoroutineKind::Coroutine(movability))
}
Some(
hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::Gen, _)
@@ -1655,7 +1655,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
self.tcx.sess.emit_err(AsyncCoroutinesNotSupported { span }),
);
}
Some(hir::CoroutineKind::Coroutine) | None => {
Some(hir::CoroutineKind::Coroutine(_)) => {
if !self.tcx.features().coroutines {
rustc_session::parse::feature_err(
&self.tcx.sess.parse_sess,
@@ -1665,7 +1665,19 @@ impl<'hir> LoweringContext<'_, 'hir> {
)
.emit();
}
self.coroutine_kind = Some(hir::CoroutineKind::Coroutine);
false
}
None => {
if !self.tcx.features().coroutines {
rustc_session::parse::feature_err(
&self.tcx.sess.parse_sess,
sym::coroutines,
span,
"yield syntax is experimental",
)
.emit();
}
self.coroutine_kind = Some(hir::CoroutineKind::Coroutine(Movability::Movable));
false
}
};