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-rw-r--r--crates/ide/src/references.rs115
1 files changed, 115 insertions, 0 deletions
diff --git a/crates/ide/src/references.rs b/crates/ide/src/references.rs
index 7395b81bd..66f0f7950 100644
--- a/crates/ide/src/references.rs
+++ b/crates/ide/src/references.rs
@@ -97,6 +97,9 @@ pub(crate) fn find_all_refs(
97 get_struct_def_name_for_struct_literal_search(&sema, &syntax, position) 97 get_struct_def_name_for_struct_literal_search(&sema, &syntax, position)
98 { 98 {
99 (Some(name), ReferenceKind::StructLiteral) 99 (Some(name), ReferenceKind::StructLiteral)
100 } else if let Some(name) = get_enum_def_name_for_struct_literal_search(&sema, &syntax, position)
101 {
102 (Some(name), ReferenceKind::EnumLiteral)
100 } else { 103 } else {
101 ( 104 (
102 sema.find_node_at_offset_with_descend::<ast::Name>(&syntax, position.offset), 105 sema.find_node_at_offset_with_descend::<ast::Name>(&syntax, position.offset),
@@ -198,6 +201,33 @@ fn get_struct_def_name_for_struct_literal_search(
198 None 201 None
199} 202}
200 203
204fn get_enum_def_name_for_struct_literal_search(
205 sema: &Semantics<RootDatabase>,
206 syntax: &SyntaxNode,
207 position: FilePosition,
208) -> Option<ast::Name> {
209 if let TokenAtOffset::Between(ref left, ref right) = syntax.token_at_offset(position.offset) {
210 if right.kind() != SyntaxKind::L_CURLY && right.kind() != SyntaxKind::L_PAREN {
211 return None;
212 }
213 if let Some(name) =
214 sema.find_node_at_offset_with_descend::<ast::Name>(&syntax, left.text_range().start())
215 {
216 return name.syntax().ancestors().find_map(ast::Enum::cast).and_then(|l| l.name());
217 }
218 if sema
219 .find_node_at_offset_with_descend::<ast::GenericParamList>(
220 &syntax,
221 left.text_range().start(),
222 )
223 .is_some()
224 {
225 return left.ancestors().find_map(ast::Enum::cast).and_then(|l| l.name());
226 }
227 }
228 None
229}
230
201fn try_find_self_references( 231fn try_find_self_references(
202 syntax: &SyntaxNode, 232 syntax: &SyntaxNode,
203 position: FilePosition, 233 position: FilePosition,
@@ -357,6 +387,91 @@ fn main() {
357 } 387 }
358 388
359 #[test] 389 #[test]
390 fn test_enum_after_space() {
391 check(
392 r#"
393enum Foo <|>{
394 A,
395 B,
396}
397fn main() {
398 let f: Foo;
399 f = Foo::A;
400}
401"#,
402 expect![[r#"
403 Foo ENUM FileId(0) 0..26 5..8 Other
404
405 FileId(0) 63..66 EnumLiteral
406 "#]],
407 );
408 }
409
410 #[test]
411 fn test_enum_before_space() {
412 check(
413 r#"
414enum Foo<|> {
415 A,
416 B,
417}
418fn main() {
419 let f: Foo;
420 f = Foo::A;
421}
422"#,
423 expect![[r#"
424 Foo ENUM FileId(0) 0..26 5..8 Other
425
426 FileId(0) 50..53 Other
427 FileId(0) 63..66 EnumLiteral
428 "#]],
429 );
430 }
431
432 #[test]
433 fn test_enum_with_generic_type() {
434 check(
435 r#"
436enum Foo<T> <|>{
437 A(T),
438 B,
439}
440fn main() {
441 let f: Foo<i8>;
442 f = Foo::A(1);
443}
444"#,
445 expect![[r#"
446 Foo ENUM FileId(0) 0..32 5..8 Other
447
448 FileId(0) 73..76 EnumLiteral
449 "#]],
450 );
451 }
452
453 #[test]
454 fn test_enum_for_tuple() {
455 check(
456 r#"
457enum Foo<|>{
458 A(i8),
459 B(i8),
460}
461fn main() {
462 let f: Foo;
463 f = Foo::A(1);
464}
465"#,
466 expect![[r#"
467 Foo ENUM FileId(0) 0..33 5..8 Other
468
469 FileId(0) 70..73 EnumLiteral
470 "#]],
471 );
472 }
473
474 #[test]
360 fn test_find_all_refs_for_local() { 475 fn test_find_all_refs_for_local() {
361 check( 476 check(
362 r#" 477 r#"