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-rw-r--r--crates/ide/src/display/short_label.rs11
-rw-r--r--crates/ide/src/hover.rs43
-rw-r--r--crates/rust-analyzer/src/handlers.rs2
3 files changed, 41 insertions, 15 deletions
diff --git a/crates/ide/src/display/short_label.rs b/crates/ide/src/display/short_label.rs
index ea49d9f97..990f740b8 100644
--- a/crates/ide/src/display/short_label.rs
+++ b/crates/ide/src/display/short_label.rs
@@ -87,6 +87,17 @@ impl ShortLabel for ast::Variant {
87 } 87 }
88} 88}
89 89
90impl ShortLabel for ast::ConstParam {
91 fn short_label(&self) -> Option<String> {
92 let mut buf = "const ".to_owned();
93 buf.push_str(self.name()?.text().as_str());
94 if let Some(type_ref) = self.ty() {
95 format_to!(buf, ": {}", type_ref.syntax());
96 }
97 Some(buf)
98 }
99}
100
90fn short_label_from_ty<T>(node: &T, ty: Option<ast::Type>, prefix: &str) -> Option<String> 101fn short_label_from_ty<T>(node: &T, ty: Option<ast::Type>, prefix: &str) -> Option<String>
91where 102where
92 T: NameOwner + VisibilityOwner, 103 T: NameOwner + VisibilityOwner,
diff --git a/crates/ide/src/hover.rs b/crates/ide/src/hover.rs
index 61439ae53..c0786eb51 100644
--- a/crates/ide/src/hover.rs
+++ b/crates/ide/src/hover.rs
@@ -70,7 +70,7 @@ impl HoverConfig {
70#[derive(Debug, Clone)] 70#[derive(Debug, Clone)]
71pub enum HoverAction { 71pub enum HoverAction {
72 Runnable(Runnable), 72 Runnable(Runnable),
73 Implementaion(FilePosition), 73 Implementation(FilePosition),
74 GoToType(Vec<HoverGotoTypeData>), 74 GoToType(Vec<HoverGotoTypeData>),
75} 75}
76 76
@@ -116,12 +116,13 @@ pub(crate) fn hover(
116 }; 116 };
117 if let Some(definition) = definition { 117 if let Some(definition) = definition {
118 if let Some(markup) = hover_for_definition(db, definition) { 118 if let Some(markup) = hover_for_definition(db, definition) {
119 let markup = markup.as_str();
119 let markup = if !markdown { 120 let markup = if !markdown {
120 remove_markdown(&markup.as_str()) 121 remove_markdown(markup)
121 } else if links_in_hover { 122 } else if links_in_hover {
122 rewrite_links(db, &markup.as_str(), &definition) 123 rewrite_links(db, markup, &definition)
123 } else { 124 } else {
124 remove_links(&markup.as_str()) 125 remove_links(markup)
125 }; 126 };
126 res.markup = Markup::from(markup); 127 res.markup = Markup::from(markup);
127 if let Some(action) = show_implementations_action(db, definition) { 128 if let Some(action) = show_implementations_action(db, definition) {
@@ -175,7 +176,7 @@ pub(crate) fn hover(
175 176
176fn show_implementations_action(db: &RootDatabase, def: Definition) -> Option<HoverAction> { 177fn show_implementations_action(db: &RootDatabase, def: Definition) -> Option<HoverAction> {
177 fn to_action(nav_target: NavigationTarget) -> HoverAction { 178 fn to_action(nav_target: NavigationTarget) -> HoverAction {
178 HoverAction::Implementaion(FilePosition { 179 HoverAction::Implementation(FilePosition {
179 file_id: nav_target.file_id, 180 file_id: nav_target.file_id,
180 offset: nav_target.focus_or_full_range().start(), 181 offset: nav_target.focus_or_full_range().start(),
181 }) 182 })
@@ -371,10 +372,7 @@ fn hover_for_definition(db: &RootDatabase, def: Definition) -> Option<Markup> {
371 Definition::Label(it) => Some(Markup::fenced_block(&it.name(db))), 372 Definition::Label(it) => Some(Markup::fenced_block(&it.name(db))),
372 Definition::LifetimeParam(it) => Some(Markup::fenced_block(&it.name(db))), 373 Definition::LifetimeParam(it) => Some(Markup::fenced_block(&it.name(db))),
373 Definition::TypeParam(type_param) => Some(Markup::fenced_block(&type_param.display(db))), 374 Definition::TypeParam(type_param) => Some(Markup::fenced_block(&type_param.display(db))),
374 Definition::ConstParam(_) => { 375 Definition::ConstParam(it) => from_def_source(db, it, None),
375 // FIXME: Hover for generic const param
376 None
377 }
378 }; 376 };
379 377
380 fn from_def_source<A, D>(db: &RootDatabase, def: D, mod_path: Option<String>) -> Option<Markup> 378 fn from_def_source<A, D>(db: &RootDatabase, def: D, mod_path: Option<String>) -> Option<Markup>
@@ -1394,7 +1392,7 @@ fn bar() { fo<|>o(); }
1394 r"unsafe trait foo<|>() {}", 1392 r"unsafe trait foo<|>() {}",
1395 expect![[r#" 1393 expect![[r#"
1396 [ 1394 [
1397 Implementaion( 1395 Implementation(
1398 FilePosition { 1396 FilePosition {
1399 file_id: FileId( 1397 file_id: FileId(
1400 0, 1398 0,
@@ -2106,7 +2104,7 @@ fn foo() { let bar = Bar; bar.fo<|>o(); }
2106 r#"trait foo<|>() {}"#, 2104 r#"trait foo<|>() {}"#,
2107 expect![[r#" 2105 expect![[r#"
2108 [ 2106 [
2109 Implementaion( 2107 Implementation(
2110 FilePosition { 2108 FilePosition {
2111 file_id: FileId( 2109 file_id: FileId(
2112 0, 2110 0,
@@ -2125,7 +2123,7 @@ fn foo() { let bar = Bar; bar.fo<|>o(); }
2125 r"struct foo<|>() {}", 2123 r"struct foo<|>() {}",
2126 expect![[r#" 2124 expect![[r#"
2127 [ 2125 [
2128 Implementaion( 2126 Implementation(
2129 FilePosition { 2127 FilePosition {
2130 file_id: FileId( 2128 file_id: FileId(
2131 0, 2129 0,
@@ -2144,7 +2142,7 @@ fn foo() { let bar = Bar; bar.fo<|>o(); }
2144 r#"union foo<|>() {}"#, 2142 r#"union foo<|>() {}"#,
2145 expect![[r#" 2143 expect![[r#"
2146 [ 2144 [
2147 Implementaion( 2145 Implementation(
2148 FilePosition { 2146 FilePosition {
2149 file_id: FileId( 2147 file_id: FileId(
2150 0, 2148 0,
@@ -2163,7 +2161,7 @@ fn foo() { let bar = Bar; bar.fo<|>o(); }
2163 r"enum foo<|>() { A, B }", 2161 r"enum foo<|>() { A, B }",
2164 expect![[r#" 2162 expect![[r#"
2165 [ 2163 [
2166 Implementaion( 2164 Implementation(
2167 FilePosition { 2165 FilePosition {
2168 file_id: FileId( 2166 file_id: FileId(
2169 0, 2167 0,
@@ -3305,4 +3303,21 @@ impl<T: 'static> Foo<T<|>> {}
3305 "#]], 3303 "#]],
3306 ); 3304 );
3307 } 3305 }
3306
3307 #[test]
3308 fn hover_const_param() {
3309 check(
3310 r#"
3311struct Foo<const LEN: usize>;
3312impl<const LEN: usize> Foo<LEN<|>> {}
3313"#,
3314 expect![[r#"
3315 *LEN*
3316
3317 ```rust
3318 const LEN: usize
3319 ```
3320 "#]],
3321 );
3322 }
3308} 3323}
diff --git a/crates/rust-analyzer/src/handlers.rs b/crates/rust-analyzer/src/handlers.rs
index dd486070b..c21ca044a 100644
--- a/crates/rust-analyzer/src/handlers.rs
+++ b/crates/rust-analyzer/src/handlers.rs
@@ -1648,7 +1648,7 @@ fn prepare_hover_actions(
1648 actions 1648 actions
1649 .iter() 1649 .iter()
1650 .filter_map(|it| match it { 1650 .filter_map(|it| match it {
1651 HoverAction::Implementaion(position) => show_impl_command_link(snap, position), 1651 HoverAction::Implementation(position) => show_impl_command_link(snap, position),
1652 HoverAction::Runnable(r) => runnable_action_links(snap, file_id, r.clone()), 1652 HoverAction::Runnable(r) => runnable_action_links(snap, file_id, r.clone()),
1653 HoverAction::GoToType(targets) => goto_type_action_links(snap, targets), 1653 HoverAction::GoToType(targets) => goto_type_action_links(snap, targets),
1654 }) 1654 })