bjoernager/rust
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Don't call await a method

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This commit is contained in:
Michael Goulet 2023-04-25 19:48:59 +00:00
parent e6077fc1b8
commit 6c9249f689
8 changed files with 43 additions and 7 deletions
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5
compiler/rustc_middle/src/util/call_kind.rs
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@ -19,6 +19,8 @@ pub enum CallDesugaringKind {
QuestionFromResidual,
/// try { ..; x } calls type_of(x)::from_output(x)
TryBlockFromOutput,
/// `.await` calls `IntoFuture::into_future`
Await,
}
impl CallDesugaringKind {
@ -29,6 +31,7 @@ impl CallDesugaringKind {
tcx.require_lang_item(LangItem::Try, None)
}
Self::QuestionFromResidual => tcx.get_diagnostic_item(sym::FromResidual).unwrap(),
Self::Await => tcx.get_diagnostic_item(sym::IntoFuture).unwrap(),
}
}
}
@ -129,6 +132,8 @@ pub fn call_kind<'tcx>(
&& fn_call_span.desugaring_kind() == Some(DesugaringKind::TryBlock)
{
Some((CallDesugaringKind::TryBlockFromOutput, method_substs.type_at(0)))
} else if fn_call_span.is_desugaring(DesugaringKind::Await) {
Some((CallDesugaringKind::Await, method_substs.type_at(0)))
} else {
None
};