aboutsummaryrefslogtreecommitdiff
path: root/crates/ra_ide_api/src
diff options
context:
space:
mode:
Diffstat (limited to 'crates/ra_ide_api/src')
-rw-r--r--crates/ra_ide_api/src/hover.rs29
1 files changed, 23 insertions, 6 deletions
diff --git a/crates/ra_ide_api/src/hover.rs b/crates/ra_ide_api/src/hover.rs
index fbabeb194..bc8e8fd14 100644
--- a/crates/ra_ide_api/src/hover.rs
+++ b/crates/ra_ide_api/src/hover.rs
@@ -94,6 +94,8 @@ pub(crate) fn hover(db: &RootDatabase, position: FilePosition) -> Option<RangeIn
94 if let Some(name_ref) = find_node_at_offset::<ast::NameRef>(file.syntax(), position.offset) { 94 if let Some(name_ref) = find_node_at_offset::<ast::NameRef>(file.syntax(), position.offset) {
95 let analyzer = hir::SourceAnalyzer::new(db, position.file_id, name_ref.syntax(), None); 95 let analyzer = hir::SourceAnalyzer::new(db, position.file_id, name_ref.syntax(), None);
96 96
97 let mut no_fallback = false;
98
97 match classify_name_ref(db, &analyzer, name_ref) { 99 match classify_name_ref(db, &analyzer, name_ref) {
98 Some(Method(it)) => { 100 Some(Method(it)) => {
99 let it = it.source(db).1; 101 let it = it.source(db).1;
@@ -190,11 +192,9 @@ pub(crate) fn hover(db: &RootDatabase, position: FilePosition) -> Option<RangeIn
190 } 192 }
191 } 193 }
192 } 194 }
193 Some(Pat(_)) => { 195 Some(Pat(_)) | Some(SelfParam(_)) => {
194 res.extend(None); 196 // Hover for these shows type names
195 } 197 no_fallback = true;
196 Some(SelfParam(_)) => {
197 res.extend(None);
198 } 198 }
199 Some(GenericParam(_)) => { 199 Some(GenericParam(_)) => {
200 // FIXME: Hover for generic param 200 // FIXME: Hover for generic param
@@ -202,7 +202,7 @@ pub(crate) fn hover(db: &RootDatabase, position: FilePosition) -> Option<RangeIn
202 None => {} 202 None => {}
203 } 203 }
204 204
205 if res.is_empty() { 205 if res.is_empty() && !no_fallback {
206 // Fallback index based approach: 206 // Fallback index based approach:
207 let symbols = crate::symbol_index::index_resolve(db, name_ref); 207 let symbols = crate::symbol_index::index_resolve(db, name_ref);
208 for sym in symbols { 208 for sym in symbols {
@@ -714,4 +714,21 @@ fn func(foo: i32) { if true { <|>foo; }; }
714 assert_eq!(trim_markup_opt(hover.info.first()), Some("enum Thing")); 714 assert_eq!(trim_markup_opt(hover.info.first()), Some("enum Thing"));
715 assert_eq!(hover.info.is_exact(), true); 715 assert_eq!(hover.info.is_exact(), true);
716 } 716 }
717
718 #[test]
719 fn test_hover_shadowing_pat() {
720 let (analysis, position) = single_file_with_position(
721 "
722 fn x() {}
723
724 fn y() {
725 let x = 0i32;
726 x<|>;
727 }
728 ",
729 );
730 let hover = analysis.hover(position).unwrap().unwrap();
731 assert_eq!(trim_markup_opt(hover.info.first()), Some("i32"));
732 assert_eq!(hover.info.is_exact(), true);
733 }
717} 734}