diff --git a/crates/ide/src/inlay_hints.rs b/crates/ide/src/inlay_hints.rs index 9eef5aaeed..50934a27f8 100644 --- a/crates/ide/src/inlay_hints.rs +++ b/crates/ide/src/inlay_hints.rs @@ -53,7 +53,7 @@ pub enum LifetimeElisionHints { #[derive(Clone, Debug, PartialEq, Eq)] pub enum AdjustmentHints { Always, - MutableOnly, + ReborrowOnly, Never, } @@ -675,7 +675,9 @@ fn adjustment_hints( for adjustment in adjustments.into_iter().rev() { // FIXME: Add some nicer tooltips to each of these let text = match adjustment { - Adjust::NeverToAny => "", + Adjust::NeverToAny if config.adjustment_hints == AdjustmentHints::Always => { + "" + } Adjust::Deref(None) => "*", Adjust::Deref(Some(OverloadedDeref(Mutability::Mut))) => "*", Adjust::Deref(Some(OverloadedDeref(Mutability::Shared))) => "*", @@ -685,15 +687,20 @@ fn adjustment_hints( Adjust::Borrow(AutoBorrow::RawPtr(Mutability::Mut)) => "&raw mut ", // some of these could be represented via `as` casts, but that's not too nice and // handling everything as a prefix expr makes the `(` and `)` insertion easier - Adjust::Pointer(cast) => match cast { - PointerCast::ReifyFnPointer => "", - PointerCast::UnsafeFnPointer => "", - PointerCast::ClosureFnPointer(Safety::Unsafe) => "", - PointerCast::ClosureFnPointer(Safety::Safe) => "", - PointerCast::MutToConstPointer => "", - PointerCast::ArrayToPointer => "", - PointerCast::Unsize => "", - }, + Adjust::Pointer(cast) if config.adjustment_hints == AdjustmentHints::Always => { + match cast { + PointerCast::ReifyFnPointer => "", + PointerCast::UnsafeFnPointer => "", + PointerCast::ClosureFnPointer(Safety::Unsafe) => { + "" + } + PointerCast::ClosureFnPointer(Safety::Safe) => "", + PointerCast::MutToConstPointer => "", + PointerCast::ArrayToPointer => "", + PointerCast::Unsize => "", + } + } + _ => continue, }; acc.push(InlayHint { range: expr.syntax().text_range(), diff --git a/crates/rust-analyzer/src/config.rs b/crates/rust-analyzer/src/config.rs index 12c59edf9a..766937d444 100644 --- a/crates/rust-analyzer/src/config.rs +++ b/crates/rust-analyzer/src/config.rs @@ -321,6 +321,8 @@ config_data! { inlayHints_closingBraceHints_minLines: usize = "25", /// Whether to show inlay type hints for return types of closures. inlayHints_closureReturnTypeHints_enable: ClosureReturnTypeHintsDef = "\"never\"", + /// Whether to show inlay hints for type adjustments. + inlayHints_expressionAdjustmentHints_enable: AdjustmentHintsDef = "\"never\"", /// Whether to show inlay type hints for elided lifetimes in function signatures. inlayHints_lifetimeElisionHints_enable: LifetimeElisionDef = "\"never\"", /// Whether to prefer using parameter names as the name for elided lifetime hints if possible. @@ -330,7 +332,8 @@ config_data! { /// Whether to show function parameter name inlay hints at the call /// site. inlayHints_parameterHints_enable: bool = "true", - /// Whether to show inlay type hints for compiler inserted reborrows. + /// Whether to show inlay hints for compiler inserted reborrows. + /// This setting is deprecated in favor of #rust-analyzer.inlayHints.expressionAdjustmentHints.enable#. inlayHints_reborrowHints_enable: ReborrowHintsDef = "\"never\"", /// Whether to render leading colons for type hints, and trailing colons for parameter hints. inlayHints_renderColons: bool = "true", @@ -1201,10 +1204,15 @@ impl Config { hide_closure_initialization_hints: self .data .inlayHints_typeHints_hideClosureInitialization, - adjustment_hints: match self.data.inlayHints_reborrowHints_enable { - ReborrowHintsDef::Always => ide::AdjustmentHints::Always, - ReborrowHintsDef::Never => ide::AdjustmentHints::Never, - ReborrowHintsDef::Mutable => ide::AdjustmentHints::MutableOnly, + adjustment_hints: match self.data.inlayHints_expressionAdjustmentHints_enable { + AdjustmentHintsDef::Always => ide::AdjustmentHints::Always, + AdjustmentHintsDef::Never => match self.data.inlayHints_reborrowHints_enable { + ReborrowHintsDef::Always | ReborrowHintsDef::Mutable => { + ide::AdjustmentHints::ReborrowOnly + } + ReborrowHintsDef::Never => ide::AdjustmentHints::Never, + }, + AdjustmentHintsDef::Reborrow => ide::AdjustmentHints::ReborrowOnly, }, binding_mode_hints: self.data.inlayHints_bindingModeHints_enable, param_names_for_lifetime_elision_hints: self @@ -1539,6 +1547,7 @@ mod de_unit_v { named_unit_variant!(all); named_unit_variant!(skip_trivial); named_unit_variant!(mutable); + named_unit_variant!(reborrow); named_unit_variant!(with_block); } @@ -1688,6 +1697,17 @@ enum ReborrowHintsDef { Mutable, } +#[derive(Deserialize, Debug, Clone)] +#[serde(untagged)] +enum AdjustmentHintsDef { + #[serde(deserialize_with = "true_or_always")] + Always, + #[serde(deserialize_with = "false_or_never")] + Never, + #[serde(deserialize_with = "de_unit_v::reborrow")] + Reborrow, +} + #[derive(Deserialize, Debug, Clone)] #[serde(rename_all = "snake_case")] enum FilesWatcherDef { @@ -1997,6 +2017,19 @@ fn field_props(field: &str, ty: &str, doc: &[&str], default: &str) -> serde_json "Only show mutable reborrow hints." ] }, + "AdjustmentHintsDef" => set! { + "type": "string", + "enum": [ + "always", + "never", + "reborrow" + ], + "enumDescriptions": [ + "Always show all adjustment hints.", + "Never show adjustment hints.", + "Only show auto borrow and dereference adjustment hints." + ] + }, "CargoFeaturesDef" => set! { "anyOf": [ { diff --git a/docs/user/generated_config.adoc b/docs/user/generated_config.adoc index 36794efe42..4f40ab25a1 100644 --- a/docs/user/generated_config.adoc +++ b/docs/user/generated_config.adoc @@ -450,6 +450,11 @@ to always show them). -- Whether to show inlay type hints for return types of closures. -- +[[rust-analyzer.inlayHints.expressionAdjustmentHints.enable]]rust-analyzer.inlayHints.expressionAdjustmentHints.enable (default: `"never"`):: ++ +-- +Whether to show inlay hints for type adjustments. +-- [[rust-analyzer.inlayHints.lifetimeElisionHints.enable]]rust-analyzer.inlayHints.lifetimeElisionHints.enable (default: `"never"`):: + -- @@ -474,7 +479,8 @@ site. [[rust-analyzer.inlayHints.reborrowHints.enable]]rust-analyzer.inlayHints.reborrowHints.enable (default: `"never"`):: + -- -Whether to show inlay type hints for compiler inserted reborrows. +Whether to show inlay hints for compiler inserted reborrows. +This setting is deprecated in favor of #rust-analyzer.inlayHints.expressionAdjustmentHints.enable#. -- [[rust-analyzer.inlayHints.renderColons]]rust-analyzer.inlayHints.renderColons (default: `true`):: + diff --git a/editors/code/package.json b/editors/code/package.json index 8e8b59159d..f14123469b 100644 --- a/editors/code/package.json +++ b/editors/code/package.json @@ -935,6 +935,21 @@ "Only show type hints for return types of closures with blocks." ] }, + "rust-analyzer.inlayHints.expressionAdjustmentHints.enable": { + "markdownDescription": "Whether to show inlay hints for type adjustments.", + "default": "never", + "type": "string", + "enum": [ + "always", + "never", + "reborrow" + ], + "enumDescriptions": [ + "Always show all adjustment hints.", + "Never show adjustment hints.", + "Only show auto borrow and dereference adjustment hints." + ] + }, "rust-analyzer.inlayHints.lifetimeElisionHints.enable": { "markdownDescription": "Whether to show inlay type hints for elided lifetimes in function signatures.", "default": "never", @@ -970,7 +985,7 @@ "type": "boolean" }, "rust-analyzer.inlayHints.reborrowHints.enable": { - "markdownDescription": "Whether to show inlay type hints for compiler inserted reborrows.", + "markdownDescription": "Whether to show inlay hints for compiler inserted reborrows.\nThis setting is deprecated in favor of #rust-analyzer.inlayHints.expressionAdjustmentHints.enable#.", "default": "never", "type": "string", "enum": [