aboutsummaryrefslogtreecommitdiff
path: root/crates/ra_ide/src
diff options
context:
space:
mode:
Diffstat (limited to 'crates/ra_ide/src')
-rw-r--r--crates/ra_ide/src/inlay_hints.rs33
1 files changed, 23 insertions, 10 deletions
diff --git a/crates/ra_ide/src/inlay_hints.rs b/crates/ra_ide/src/inlay_hints.rs
index d06fc03d3..4b133b19b 100644
--- a/crates/ra_ide/src/inlay_hints.rs
+++ b/crates/ra_ide/src/inlay_hints.rs
@@ -75,8 +75,7 @@ fn get_chaining_hints(
75 return None; 75 return None;
76 } 76 }
77 77
78 let ty = sema.type_of_expr(&expr)?; 78 if matches!(expr, ast::Expr::RecordLit(_)) {
79 if ty.is_unknown() {
80 return None; 79 return None;
81 } 80 }
82 81
@@ -95,6 +94,17 @@ fn get_chaining_hints(
95 let next = tokens.next()?.kind(); 94 let next = tokens.next()?.kind();
96 let next_next = tokens.next()?.kind(); 95 let next_next = tokens.next()?.kind();
97 if next == SyntaxKind::WHITESPACE && next_next == SyntaxKind::DOT { 96 if next == SyntaxKind::WHITESPACE && next_next == SyntaxKind::DOT {
97 let ty = sema.type_of_expr(&expr)?;
98 if ty.is_unknown() {
99 return None;
100 }
101 if matches!(expr, ast::Expr::PathExpr(_)) {
102 if let Some(Adt::Struct(st)) = ty.as_adt() {
103 if st.fields(sema.db).is_empty() {
104 return None;
105 }
106 }
107 }
98 let label = ty.display_truncated(sema.db, config.max_length).to_string(); 108 let label = ty.display_truncated(sema.db, config.max_length).to_string();
99 acc.push(InlayHint { 109 acc.push(InlayHint {
100 range: expr.syntax().text_range(), 110 range: expr.syntax().text_range(),
@@ -1154,32 +1164,35 @@ fn main() {
1154 struct A { pub b: B } 1164 struct A { pub b: B }
1155 struct B { pub c: C } 1165 struct B { pub c: C }
1156 struct C(pub bool); 1166 struct C(pub bool);
1167 struct D;
1168
1169 impl D {
1170 fn foo(&self) -> i32 { 42 }
1171 }
1157 1172
1158 fn main() { 1173 fn main() {
1159 let x = A { b: B { c: C(true) } } 1174 let x = A { b: B { c: C(true) } }
1160 .b 1175 .b
1161 .c 1176 .c
1162 .0; 1177 .0;
1178 let x = D
1179 .foo();
1163 }"#, 1180 }"#,
1164 ); 1181 );
1165 assert_debug_snapshot!(analysis.inlay_hints(file_id, &InlayHintsConfig{ parameter_hints: false, type_hints: false, chaining_hints: true, max_length: None}).unwrap(), @r###" 1182 assert_debug_snapshot!(analysis.inlay_hints(file_id, &InlayHintsConfig{ parameter_hints: false, type_hints: false, chaining_hints: true, max_length: None}).unwrap(), @r###"
1166 [ 1183 [
1167 InlayHint { 1184 InlayHint {
1168 range: [150; 221), 1185 range: [252; 323),
1169 kind: ChainingHint, 1186 kind: ChainingHint,
1170 label: "C", 1187 label: "C",
1171 }, 1188 },
1172 InlayHint { 1189 InlayHint {
1173 range: [150; 198), 1190 range: [252; 300),
1174 kind: ChainingHint, 1191 kind: ChainingHint,
1175 label: "B", 1192 label: "B",
1176 }, 1193 },
1177 InlayHint { 1194 ]
1178 range: [150; 175), 1195 "###);
1179 kind: ChainingHint,
1180 label: "A",
1181 },
1182 ]"###);
1183 } 1196 }
1184 1197
1185 #[test] 1198 #[test]