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-rw-r--r--crates/ide/src/runnables.rs55
1 files changed, 51 insertions, 4 deletions
diff --git a/crates/ide/src/runnables.rs b/crates/ide/src/runnables.rs
index faa91541e..27d35de5b 100644
--- a/crates/ide/src/runnables.rs
+++ b/crates/ide/src/runnables.rs
@@ -2,7 +2,7 @@ use std::fmt;
2 2
3use ast::NameOwner; 3use ast::NameOwner;
4use cfg::CfgExpr; 4use cfg::CfgExpr;
5use hir::{AsAssocItem, HasAttrs, HasSource, Semantics}; 5use hir::{AsAssocItem, HasAttrs, HasSource, HirDisplay, Semantics};
6use ide_assists::utils::test_related_attribute; 6use ide_assists::utils::test_related_attribute;
7use ide_db::{ 7use ide_db::{
8 base_db::{FilePosition, FileRange}, 8 base_db::{FilePosition, FileRange},
@@ -340,11 +340,21 @@ fn module_def_doctest(sema: &Semantics<RootDatabase>, def: hir::ModuleDef) -> Op
340 // FIXME: this also looks very wrong 340 // FIXME: this also looks very wrong
341 if let Some(assoc_def) = assoc_def { 341 if let Some(assoc_def) = assoc_def {
342 if let hir::AssocItemContainer::Impl(imp) = assoc_def.container(sema.db) { 342 if let hir::AssocItemContainer::Impl(imp) = assoc_def.container(sema.db) {
343 if let Some(adt) = imp.target_ty(sema.db).as_adt() { 343 let ty = imp.target_ty(sema.db);
344 let name = adt.name(sema.db).to_string(); 344 if let Some(adt) = ty.as_adt() {
345 let name = adt.name(sema.db);
345 let idx = path.rfind(':').map_or(0, |idx| idx + 1); 346 let idx = path.rfind(':').map_or(0, |idx| idx + 1);
346 let (prefix, suffix) = path.split_at(idx); 347 let (prefix, suffix) = path.split_at(idx);
347 return format!("{}{}::{}", prefix, name, suffix); 348 let mut ty_params = ty.type_parameters().peekable();
349 let params = if ty_params.peek().is_some() {
350 format!(
351 "<{}>",
352 ty_params.format_with(", ", |ty, cb| cb(&ty.display(sema.db)))
353 )
354 } else {
355 String::new()
356 };
357 return format!("{}{}{}::{}", prefix, name, params, suffix);
348 } 358 }
349 } 359 }
350 } 360 }
@@ -1406,4 +1416,41 @@ mod tests {
1406 "#]], 1416 "#]],
1407 ); 1417 );
1408 } 1418 }
1419
1420 #[test]
1421 fn doc_test_type_params() {
1422 check(
1423 r#"
1424//- /lib.rs
1425$0
1426struct Foo<T, U>;
1427
1428impl<T, U> Foo<T, U> {
1429 /// ```rust
1430 /// ````
1431 fn t() {}
1432}
1433"#,
1434 &[&DOCTEST],
1435 expect![[r#"
1436 [
1437 Runnable {
1438 nav: NavigationTarget {
1439 file_id: FileId(
1440 0,
1441 ),
1442 full_range: 47..85,
1443 name: "t",
1444 },
1445 kind: DocTest {
1446 test_id: Path(
1447 "Foo<T, U>::t",
1448 ),
1449 },
1450 cfg: None,
1451 },
1452 ]
1453 "#]],
1454 );
1455 }
1409} 1456}