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feat: Visualize compiler inserted reborrows via inlay hints

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This commit is contained in:
Lukas Wirth
2022-03-20 14:38:16 +01:00
parent 2598575a35
commit 37b48ceb8f
9 changed files with 126 additions and 13 deletions
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12
crates/rust-analyzer/src/to_proto.rs
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@@ -426,7 +426,11 @@ pub(crate) fn inlay_hint(
_ => inlay_hint.label.to_string(),
}),
position: match inlay_hint.kind {
InlayKind::ParameterHint => position(line_index, inlay_hint.range.start()),
// before annotated thing
InlayKind::ParameterHint | InlayKind::ImplicitReborrow => {
position(line_index, inlay_hint.range.start())
}
// after annotated thing
InlayKind::ClosureReturnTypeHint
| InlayKind::TypeHint
| InlayKind::ChainingHint
@@ -438,7 +442,9 @@ pub(crate) fn inlay_hint(
InlayKind::ClosureReturnTypeHint | InlayKind::TypeHint | InlayKind::ChainingHint => {
Some(lsp_ext::InlayHintKind::TYPE)
}
InlayKind::GenericParamListHint | InlayKind::LifetimeHint => None,
InlayKind::GenericParamListHint
| InlayKind::LifetimeHint
| InlayKind::ImplicitReborrow => None,
},
tooltip: None,
padding_left: Some(match inlay_hint.kind {
@@ -447,6 +453,7 @@ pub(crate) fn inlay_hint(
InlayKind::ChainingHint => true,
InlayKind::GenericParamListHint => false,
InlayKind::LifetimeHint => false,
InlayKind::ImplicitReborrow => false,
}),
padding_right: Some(match inlay_hint.kind {
InlayKind::TypeHint | InlayKind::ChainingHint | InlayKind::ClosureReturnTypeHint => {
@@ -455,6 +462,7 @@ pub(crate) fn inlay_hint(
InlayKind::ParameterHint => true,
InlayKind::LifetimeHint => true,
InlayKind::GenericParamListHint => false,
InlayKind::ImplicitReborrow => false,
}),
}
}