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Only Highlight Exit Points on async Token

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This ensures that when being on an `await` token, it still only
highlights the yield points and not the exit points.
This commit is contained in:
Christopher Serr 2024-10-08 23:30:05 +02:00
parent e1961b1078
commit 68c263bdf6
1 changed files with 13 additions and 7 deletions
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20
crates/ide/src/highlight_related.rs
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@ -513,16 +513,23 @@ pub(crate) fn highlight_yield_points(
match anc {
ast::Fn(fn_) => hl(sema, fn_.async_token(), fn_.body().map(ast::Expr::BlockExpr)),
ast::BlockExpr(block_expr) => {
if block_expr.async_token().is_none() {
let Some(async_token) = block_expr.async_token() else {
continue;
}
};
// Async blocks act similar to closures. So we want to
// highlight their exit points too.
let exit_points = hl_exit_points(sema, block_expr.async_token(), block_expr.clone().into());
merge_map(&mut res, exit_points);
// highlight their exit points too, but only if we are on
// the async token.
if async_token == token {
let exit_points = hl_exit_points(
sema,
Some(async_token.clone()),
block_expr.clone().into(),
);
merge_map(&mut res, exit_points);
}
hl(sema, block_expr.async_token(), Some(block_expr.into()))
hl(sema, Some(async_token), Some(block_expr.into()))
},
ast::ClosureExpr(closure) => hl(sema, closure.async_token(), closure.body()),
_ => continue,
@ -949,7 +956,6 @@ async fn foo() {
(async {
// ^^^^^
(async { 0.await }).await$0
// ^^^^^^^^^^^^^^^^^^^^^^^^^
// ^^^^^
}).await;
}