mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-22 14:55:26 +00:00
Address some code reviews
This commit is contained in:
parent
ad978e5572
commit
66226ca157
@ -1570,99 +1570,66 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
|
||||
format!("does not implement `{}`", trait_ref.print_only_trait_path())
|
||||
};
|
||||
|
||||
let mut explain_yield =
|
||||
|interior_span: Span, yield_span: Span, scope_span: Option<Span>| {
|
||||
let mut span = MultiSpan::from_span(yield_span);
|
||||
if let Ok(snippet) = source_map.span_to_snippet(interior_span) {
|
||||
// #70935: If snippet contains newlines, display "the value" instead
|
||||
// so that we do not emit complex diagnostics.
|
||||
let snippet = &format!("`{}`", snippet);
|
||||
let snippet = if snippet.contains('\n') { "the value" } else { snippet };
|
||||
// The multispan can be complex here, like:
|
||||
// note: future is not `Send` as this value is used across an await
|
||||
// --> $DIR/issue-70935-complex-spans.rs:13:9
|
||||
// |
|
||||
// LL | baz(|| async{
|
||||
// | __________^___-
|
||||
// | | _________|
|
||||
// | ||
|
||||
// LL | || foo(tx.clone());
|
||||
// LL | || }).await;
|
||||
// | || - ^- value is later dropped here
|
||||
// | ||_________|______|
|
||||
// | |__________| await occurs here, with value maybe used later
|
||||
// | has type `closure` which is not `Send`
|
||||
// = note: the return type of a function must have a statically known size
|
||||
// So, detect it and separate into some notes, like:
|
||||
// note: future is not `Send` as this value is used across an await
|
||||
// --> $DIR/issue-70935-complex-spans.rs:13:9
|
||||
// |
|
||||
// LL | / baz(|| async{
|
||||
// LL | | foo(tx.clone());
|
||||
// LL | | }).await;
|
||||
// | |________________^
|
||||
// note: first, await occurs here, with the value maybe used later
|
||||
// --> $DIR/issue-70935-complex-spans.rs:13:9
|
||||
// |
|
||||
// LL | / baz(|| async{
|
||||
// LL | | foo(tx.clone());
|
||||
// LL | | }).await;
|
||||
// | |________________^
|
||||
// note: ...but, the value is later dropped here
|
||||
// --> $DIR/issue-70935-complex-spans.rs:15:17
|
||||
// |
|
||||
// LL | }).await;
|
||||
// | ^
|
||||
// = note: the return type of a function must have a statically known size
|
||||
|
||||
// If available, use the scope span to annotate the drop location.
|
||||
if let Some(scope_span) = scope_span {
|
||||
let scope_span = source_map.end_point(scope_span);
|
||||
let is_overlapped =
|
||||
yield_span.overlaps(scope_span) || yield_span.overlaps(interior_span);
|
||||
if is_overlapped {
|
||||
err.span_note(
|
||||
span,
|
||||
&format!(
|
||||
"{} {} as this value is used across {}",
|
||||
future_or_generator, trait_explanation, an_await_or_yield
|
||||
),
|
||||
);
|
||||
err.span_note(
|
||||
yield_span,
|
||||
&format!(
|
||||
"first, {} occurs here, with {} maybe used later",
|
||||
await_or_yield, snippet
|
||||
),
|
||||
);
|
||||
err.span_note(
|
||||
scope_span,
|
||||
&format!("...but, {} is later dropped here", snippet),
|
||||
);
|
||||
} else {
|
||||
span.push_span_label(
|
||||
yield_span,
|
||||
format!(
|
||||
"{} occurs here, with {} maybe used later",
|
||||
await_or_yield, snippet
|
||||
),
|
||||
);
|
||||
span.push_span_label(
|
||||
scope_span,
|
||||
format!("{} is later dropped here", snippet),
|
||||
);
|
||||
span.push_span_label(
|
||||
interior_span,
|
||||
format!("has type `{}` which {}", target_ty, trait_explanation),
|
||||
);
|
||||
err.span_note(
|
||||
span,
|
||||
&format!(
|
||||
"{} {} as this value is used across {}",
|
||||
future_or_generator, trait_explanation, an_await_or_yield
|
||||
),
|
||||
);
|
||||
}
|
||||
let mut explain_yield = |interior_span: Span,
|
||||
yield_span: Span,
|
||||
scope_span: Option<Span>| {
|
||||
let mut span = MultiSpan::from_span(yield_span);
|
||||
if let Ok(snippet) = source_map.span_to_snippet(interior_span) {
|
||||
// #70935: If snippet contains newlines, display "the value" instead
|
||||
// so that we do not emit complex diagnostics.
|
||||
let snippet = &format!("`{}`", snippet);
|
||||
let snippet = if snippet.contains('\n') { "the value" } else { snippet };
|
||||
// The multispan can be complex here, like:
|
||||
// note: future is not `Send` as this value is used across an await
|
||||
// --> $DIR/issue-70935-complex-spans.rs:13:9
|
||||
// |
|
||||
// LL | baz(|| async{
|
||||
// | __________^___-
|
||||
// | | _________|
|
||||
// | ||
|
||||
// LL | || foo(tx.clone());
|
||||
// LL | || }).await;
|
||||
// | || - ^- value is later dropped here
|
||||
// | ||_________|______|
|
||||
// | |__________| await occurs here, with value maybe used later
|
||||
// | has type `closure` which is not `Send`
|
||||
//
|
||||
// So, detect it and separate into some notes, like:
|
||||
//
|
||||
// note: future is not `Send` as this value is used across an await
|
||||
// --> $DIR/issue-70935-complex-spans.rs:13:9
|
||||
// |
|
||||
// LL | / baz(|| async{
|
||||
// LL | | foo(tx.clone());
|
||||
// LL | | }).await;
|
||||
// | |________________^ first, await occurs here, with the value maybe used later...
|
||||
// note: the value is later dropped here
|
||||
// --> $DIR/issue-70935-complex-spans.rs:15:17
|
||||
// |
|
||||
// LL | }).await;
|
||||
// | ^
|
||||
//
|
||||
// If available, use the scope span to annotate the drop location.
|
||||
if let Some(scope_span) = scope_span {
|
||||
let scope_span = source_map.end_point(scope_span);
|
||||
let is_overlapped =
|
||||
yield_span.overlaps(scope_span) || yield_span.overlaps(interior_span);
|
||||
if is_overlapped {
|
||||
span.push_span_label(
|
||||
yield_span,
|
||||
format!(
|
||||
"first, {} occurs here, with {} maybe used later...",
|
||||
await_or_yield, snippet
|
||||
),
|
||||
);
|
||||
err.span_note(
|
||||
span,
|
||||
&format!(
|
||||
"{} {} as this value is used across {}",
|
||||
future_or_generator, trait_explanation, an_await_or_yield
|
||||
),
|
||||
);
|
||||
err.span_note(scope_span, &format!("{} is later dropped here", snippet));
|
||||
} else {
|
||||
span.push_span_label(
|
||||
yield_span,
|
||||
@ -1671,6 +1638,10 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
|
||||
await_or_yield, snippet
|
||||
),
|
||||
);
|
||||
span.push_span_label(
|
||||
scope_span,
|
||||
format!("{} is later dropped here", snippet),
|
||||
);
|
||||
span.push_span_label(
|
||||
interior_span,
|
||||
format!("has type `{}` which {}", target_ty, trait_explanation),
|
||||
@ -1683,8 +1654,28 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
|
||||
),
|
||||
);
|
||||
}
|
||||
} else {
|
||||
span.push_span_label(
|
||||
yield_span,
|
||||
format!(
|
||||
"{} occurs here, with {} maybe used later",
|
||||
await_or_yield, snippet
|
||||
),
|
||||
);
|
||||
span.push_span_label(
|
||||
interior_span,
|
||||
format!("has type `{}` which {}", target_ty, trait_explanation),
|
||||
);
|
||||
err.span_note(
|
||||
span,
|
||||
&format!(
|
||||
"{} {} as this value is used across {}",
|
||||
future_or_generator, trait_explanation, an_await_or_yield
|
||||
),
|
||||
);
|
||||
}
|
||||
};
|
||||
}
|
||||
};
|
||||
match interior_or_upvar_span {
|
||||
GeneratorInteriorOrUpvar::Interior(interior_span) => {
|
||||
if let Some((scope_span, yield_span, expr, from_awaited_ty)) = interior_extra_info {
|
||||
|
@ -11,15 +11,8 @@ note: future is not `Send` as this value is used across an await
|
||||
LL | / baz(|| async{
|
||||
LL | | foo(tx.clone());
|
||||
LL | | }).await;
|
||||
| |________________^
|
||||
note: first, await occurs here, with the value maybe used later
|
||||
--> $DIR/issue-70935-complex-spans.rs:13:9
|
||||
|
|
||||
LL | / baz(|| async{
|
||||
LL | | foo(tx.clone());
|
||||
LL | | }).await;
|
||||
| |________________^
|
||||
note: ...but, the value is later dropped here
|
||||
| |________________^ first, await occurs here, with the value maybe used later...
|
||||
note: the value is later dropped here
|
||||
--> $DIR/issue-70935-complex-spans.rs:15:17
|
||||
|
|
||||
LL | }).await;
|
||||
|
@ -12,13 +12,8 @@ note: future is not `Send` as this value is used across an await
|
||||
--> $DIR/issue-65436-raw-ptr-not-send.rs:14:9
|
||||
|
|
||||
LL | bar(Foo(std::ptr::null())).await;
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
note: first, await occurs here, with `std::ptr::null()` maybe used later
|
||||
--> $DIR/issue-65436-raw-ptr-not-send.rs:14:9
|
||||
|
|
||||
LL | bar(Foo(std::ptr::null())).await;
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
note: ...but, `std::ptr::null()` is later dropped here
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ first, await occurs here, with `std::ptr::null()` maybe used later...
|
||||
note: `std::ptr::null()` is later dropped here
|
||||
--> $DIR/issue-65436-raw-ptr-not-send.rs:14:41
|
||||
|
|
||||
LL | bar(Foo(std::ptr::null())).await;
|
||||
|
Loading…
Reference in New Issue
Block a user