diff options
24 files changed, 201 insertions, 149 deletions
diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/display.rs b/src/tools/rust-analyzer/crates/hir-ty/src/display.rs index e810467b994..f0989d9de91 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/display.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/display.rs @@ -90,11 +90,26 @@ pub struct HirFormatter<'a> { show_container_bounds: bool, omit_verbose_types: bool, closure_style: ClosureStyle, + display_lifetimes: DisplayLifetime, display_kind: DisplayKind, display_target: DisplayTarget, bounds_formatting_ctx: BoundsFormattingCtx, } +// FIXME: To consider, ref and dyn trait lifetimes can be omitted if they are `'_`, path args should +// not be when in signatures +// So this enum does not encode this well enough +// Also 'static can be omitted for ref and dyn trait lifetimes in static/const item types +// FIXME: Also named lifetimes may be rendered in places where their name is not in scope? +#[derive(Copy, Clone)] +pub enum DisplayLifetime { + Always, + OnlyStatic, + OnlyNamed, + OnlyNamedOrStatic, + Never, +} + #[derive(Default)] enum BoundsFormattingCtx { Entered { @@ -155,6 +170,21 @@ impl HirFormatter<'_> { } } } + + fn render_lifetime(&self, lifetime: &Lifetime) -> bool { + match self.display_lifetimes { + DisplayLifetime::Always => true, + DisplayLifetime::OnlyStatic => matches!(***lifetime.interned(), LifetimeData::Static), + DisplayLifetime::OnlyNamed => { + matches!(***lifetime.interned(), LifetimeData::Placeholder(_)) + } + DisplayLifetime::OnlyNamedOrStatic => matches!( + ***lifetime.interned(), + LifetimeData::Static | LifetimeData::Placeholder(_) + ), + DisplayLifetime::Never => false, + } + } } pub trait HirDisplay { @@ -189,6 +219,7 @@ pub trait HirDisplay { display_kind, closure_style, show_container_bounds, + display_lifetimes: DisplayLifetime::OnlyNamedOrStatic, } } @@ -212,6 +243,7 @@ pub trait HirDisplay { display_target, display_kind: DisplayKind::Diagnostics, show_container_bounds: false, + display_lifetimes: DisplayLifetime::OnlyNamedOrStatic, } } @@ -236,6 +268,7 @@ pub trait HirDisplay { display_target, display_kind: DisplayKind::Diagnostics, show_container_bounds: false, + display_lifetimes: DisplayLifetime::OnlyNamedOrStatic, } } @@ -260,6 +293,7 @@ pub trait HirDisplay { display_target, display_kind: DisplayKind::Diagnostics, show_container_bounds: false, + display_lifetimes: DisplayLifetime::OnlyNamedOrStatic, } } @@ -284,6 +318,7 @@ pub trait HirDisplay { display_target: DisplayTarget::from_crate(db, module_id.krate()), display_kind: DisplayKind::SourceCode { target_module_id: module_id, allow_opaque }, show_container_bounds: false, + display_lifetimes: DisplayLifetime::OnlyNamedOrStatic, bounds_formatting_ctx: Default::default(), }) { Ok(()) => {} @@ -312,6 +347,7 @@ pub trait HirDisplay { display_target, display_kind: DisplayKind::Test, show_container_bounds: false, + display_lifetimes: DisplayLifetime::Always, } } @@ -336,6 +372,7 @@ pub trait HirDisplay { display_target, display_kind: DisplayKind::Diagnostics, show_container_bounds, + display_lifetimes: DisplayLifetime::OnlyNamedOrStatic, } } } @@ -480,6 +517,7 @@ pub struct HirDisplayWrapper<'a, T> { display_kind: DisplayKind, display_target: DisplayTarget, show_container_bounds: bool, + display_lifetimes: DisplayLifetime, } #[derive(Debug, PartialEq, Eq, Clone, Copy)] @@ -502,7 +540,7 @@ impl<T: HirDisplay> HirDisplayWrapper<'_, T> { self.t.hir_fmt(&mut HirFormatter { db: self.db, fmt: f, - buf: String::with_capacity(20), + buf: String::with_capacity(self.max_size.unwrap_or(20)), curr_size: 0, max_size: self.max_size, entity_limit: self.limited_size, @@ -511,6 +549,7 @@ impl<T: HirDisplay> HirDisplayWrapper<'_, T> { display_target: self.display_target, closure_style: self.closure_style, show_container_bounds: self.show_container_bounds, + display_lifetimes: self.display_lifetimes, bounds_formatting_ctx: Default::default(), }) } @@ -519,6 +558,11 @@ impl<T: HirDisplay> HirDisplayWrapper<'_, T> { self.closure_style = c; self } + + pub fn with_lifetime_display(mut self, l: DisplayLifetime) -> Self { + self.display_lifetimes = l; + self + } } impl<T> fmt::Display for HirDisplayWrapper<'_, T> @@ -1022,9 +1066,7 @@ impl HirDisplay for Ty { kind @ (TyKind::Raw(m, t) | TyKind::Ref(m, _, t)) => { if let TyKind::Ref(_, l, _) = kind { f.write_char('&')?; - if cfg!(test) { - // rendering these unconditionally is probably too much (at least for inlay - // hints) so we gate it to testing only for the time being + if f.render_lifetime(l) { l.hir_fmt(f)?; f.write_char(' ')?; } @@ -1055,9 +1097,10 @@ impl HirDisplay for Ty { }) }; let (preds_to_print, has_impl_fn_pred) = match t.kind(Interner) { - TyKind::Dyn(dyn_ty) if dyn_ty.bounds.skip_binders().interned().len() > 1 => { + TyKind::Dyn(dyn_ty) => { let bounds = dyn_ty.bounds.skip_binders().interned(); - (bounds.len(), contains_impl_fn(bounds)) + let render_lifetime = f.render_lifetime(&dyn_ty.lifetime); + (bounds.len() + render_lifetime as usize, contains_impl_fn(bounds)) } TyKind::Alias(AliasTy::Opaque(OpaqueTy { opaque_ty_id, @@ -1479,7 +1522,7 @@ impl HirDisplay for Ty { TyKind::BoundVar(idx) => idx.hir_fmt(f)?, TyKind::Dyn(dyn_ty) => { // Reorder bounds to satisfy `write_bounds_like_dyn_trait()`'s expectation. - // FIXME: `Iterator::partition_in_place()` or `Vec::drain_filter()` may make it + // FIXME: `Iterator::partition_in_place()` or `Vec::extract_if()` may make it // more efficient when either of them hits stable. let mut bounds: SmallVec<[_; 4]> = dyn_ty.bounds.skip_binders().iter(Interner).cloned().collect(); @@ -1488,6 +1531,17 @@ impl HirDisplay for Ty { bounds.extend(others); bounds.extend(auto_traits); + if f.render_lifetime(&dyn_ty.lifetime) { + // we skip the binders in `write_bounds_like_dyn_trait_with_prefix` + bounds.push(Binders::empty( + Interner, + chalk_ir::WhereClause::TypeOutlives(chalk_ir::TypeOutlives { + ty: self.clone(), + lifetime: dyn_ty.lifetime.clone(), + }), + )); + } + write_bounds_like_dyn_trait_with_prefix( f, "dyn", @@ -1989,7 +2043,6 @@ impl HirDisplay for LifetimeData { write!(f, "{}", param_data.name.display(f.db, f.edition()))?; Ok(()) } - _ if f.display_kind.is_source_code() => write!(f, "'_"), LifetimeData::BoundVar(idx) => idx.hir_fmt(f), LifetimeData::InferenceVar(_) => write!(f, "_"), LifetimeData::Static => write!(f, "'static"), diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/coercion.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/coercion.rs index eeaacbf12ea..ddc5b715194 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/coercion.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/coercion.rs @@ -561,7 +561,7 @@ trait Foo {} fn test(f: impl Foo, g: &(impl Foo + ?Sized)) { let _: &dyn Foo = &f; let _: &dyn Foo = g; - //^ expected &'? dyn Foo, got &'? impl Foo + ?Sized + //^ expected &'? (dyn Foo + 'static), got &'? impl Foo + ?Sized } "#, ); @@ -827,11 +827,11 @@ struct V<T> { t: T } fn main() { let a: V<&dyn Tr>; (a,) = V { t: &S }; - //^^^^expected V<&'? S>, got (V<&'? dyn Tr>,) + //^^^^expected V<&'? S>, got (V<&'? (dyn Tr + '?)>,) let mut a: V<&dyn Tr> = V { t: &S }; (a,) = V { t: &S }; - //^^^^expected V<&'? S>, got (V<&'? dyn Tr>,) + //^^^^expected V<&'? S>, got (V<&'? (dyn Tr + '?)>,) } "#, ); diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/display_source_code.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/display_source_code.rs index 60c03b52246..a986b54a7b0 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/display_source_code.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/display_source_code.rs @@ -65,13 +65,13 @@ trait A { } trait B: A {} -fn test( +fn test<'a>( _: &(dyn A<Assoc = ()> + Send), - //^ &'_ (dyn A<Assoc = ()> + Send) - _: &(dyn Send + A<Assoc = ()>), - //^ &'_ (dyn A<Assoc = ()> + Send) + //^ &(dyn A<Assoc = ()> + Send + 'static) + _: &'a (dyn Send + A<Assoc = ()>), + //^ &'a (dyn A<Assoc = ()> + Send + 'static) _: &dyn B<Assoc = ()>, - //^ &'_ (dyn B<Assoc = ()>) + //^ &(dyn B<Assoc = ()> + 'static) ) {} "#, ); @@ -85,7 +85,7 @@ fn render_dyn_for_ty() { trait Foo<'a> {} fn foo(foo: &dyn for<'a> Foo<'a>) {} - // ^^^ &'_ dyn Foo<'_> + // ^^^ &(dyn Foo<'?> + 'static) "#, ); } @@ -111,11 +111,11 @@ fn test( b; //^ impl Foo c; - //^ &'_ impl Foo + ?Sized + //^ &impl Foo + ?Sized d; //^ S<impl Foo> ref_any; - //^^^^^^^ &'_ impl ?Sized + //^^^^^^^ &impl ?Sized empty; } //^^^^^ impl Sized "#, @@ -192,7 +192,7 @@ fn test( b; //^ fn(impl Foo) -> impl Foo c; -} //^ fn(&'_ impl Foo + ?Sized) -> &'_ impl Foo + ?Sized +} //^ fn(&impl Foo + ?Sized) -> &impl Foo + ?Sized "#, ); } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/method_resolution.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/method_resolution.rs index 3a258ecad10..1f8b06fcc56 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/method_resolution.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/method_resolution.rs @@ -1153,9 +1153,9 @@ fn dyn_trait_super_trait_not_in_scope() { 51..55 'self': &'? Self 64..69 '{ 0 }': u32 66..67 '0': u32 - 176..177 'd': &'? dyn Trait + 176..177 'd': &'? (dyn Trait + 'static) 191..207 '{ ...o(); }': () - 197..198 'd': &'? dyn Trait + 197..198 'd': &'? (dyn Trait + 'static) 197..204 'd.foo()': u32 "#]], ); @@ -2019,10 +2019,10 @@ impl dyn Error + Send { /// Attempts to downcast the box to a concrete type. pub fn downcast<T: Error + 'static>(self: Box<Self>) -> Result<Box<T>, Box<dyn Error + Send>> { let err: Box<dyn Error> = self; - // ^^^^ expected Box<dyn Error>, got Box<dyn Error + Send> + // ^^^^ expected Box<dyn Error + 'static>, got Box<dyn Error + Send + 'static> // FIXME, type mismatch should not occur <dyn Error>::downcast(err).map_err(|_| loop {}) - //^^^^^^^^^^^^^^^^^^^^^ type: fn downcast<{unknown}>(Box<dyn Error>) -> Result<Box<{unknown}>, Box<dyn Error>> + //^^^^^^^^^^^^^^^^^^^^^ type: fn downcast<{unknown}>(Box<dyn Error + 'static>) -> Result<Box<{unknown}>, Box<dyn Error + 'static>> } } "#, diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/regression.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/regression.rs index 638306054a9..644b0d392bc 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/regression.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/regression.rs @@ -629,7 +629,7 @@ fn issue_4053_diesel_where_clauses() { 488..522 '{ ... }': () 498..502 'self': SelectStatement<F, S, D, W, O, LOf, {unknown}, {unknown}> 498..508 'self.order': O - 498..515 'self.o...into()': dyn QueryFragment<DB> + 498..515 'self.o...into()': dyn QueryFragment<DB> + 'static "#]], ); } @@ -773,7 +773,7 @@ fn issue_4800() { "#, expect![[r#" 379..383 'self': &'? mut PeerSet<D> - 401..424 '{ ... }': dyn Future<Output = ()> + 401..424 '{ ... }': dyn Future<Output = ()> + 'static 411..418 'loop {}': ! 416..418 '{}': () 575..579 'self': &'? mut Self diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/simple.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/simple.rs index 0f5e44151de..eeebe38f182 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/simple.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/simple.rs @@ -2741,11 +2741,11 @@ impl B for Astruct {} 715..744 '#[rust...1i32])': Box<[i32; 1], Global> 737..743 '[1i32]': [i32; 1] 738..742 '1i32': i32 - 755..756 'v': Vec<Box<dyn B, Global>, Global> - 776..793 '<[_]> ...to_vec': fn into_vec<Box<dyn B, Global>, Global>(Box<[Box<dyn B, Global>], Global>) -> Vec<Box<dyn B, Global>, Global> - 776..850 '<[_]> ...ct)]))': Vec<Box<dyn B, Global>, Global> - 794..849 '#[rust...uct)])': Box<[Box<dyn B, Global>; 1], Global> - 816..848 '[#[rus...ruct)]': [Box<dyn B, Global>; 1] + 755..756 'v': Vec<Box<dyn B + 'static, Global>, Global> + 776..793 '<[_]> ...to_vec': fn into_vec<Box<dyn B + 'static, Global>, Global>(Box<[Box<dyn B + 'static, Global>], Global>) -> Vec<Box<dyn B + 'static, Global>, Global> + 776..850 '<[_]> ...ct)]))': Vec<Box<dyn B + 'static, Global>, Global> + 794..849 '#[rust...uct)])': Box<[Box<dyn B + 'static, Global>; 1], Global> + 816..848 '[#[rus...ruct)]': [Box<dyn B + 'static, Global>; 1] 817..847 '#[rust...truct)': Box<Astruct, Global> 839..846 'Astruct': Astruct "#]], diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/traits.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/traits.rs index 2fb51acea87..14137605c9f 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/traits.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/traits.rs @@ -1475,26 +1475,26 @@ fn test(x: Box<dyn Trait<u64>>, y: &dyn Trait<u64>) { expect![[r#" 29..33 'self': &'? Self 54..58 'self': &'? Self - 198..200 '{}': Box<dyn Trait<u64>> - 210..211 'x': Box<dyn Trait<u64>> - 234..235 'y': &'? dyn Trait<u64> + 198..200 '{}': Box<dyn Trait<u64> + 'static> + 210..211 'x': Box<dyn Trait<u64> + 'static> + 234..235 'y': &'? (dyn Trait<u64> + 'static) 254..371 '{ ...2(); }': () - 260..261 'x': Box<dyn Trait<u64>> - 267..268 'y': &'? dyn Trait<u64> - 278..279 'z': Box<dyn Trait<u64>> - 282..285 'bar': fn bar() -> Box<dyn Trait<u64>> - 282..287 'bar()': Box<dyn Trait<u64>> - 293..294 'x': Box<dyn Trait<u64>> + 260..261 'x': Box<dyn Trait<u64> + 'static> + 267..268 'y': &'? (dyn Trait<u64> + 'static) + 278..279 'z': Box<dyn Trait<u64> + 'static> + 282..285 'bar': fn bar() -> Box<dyn Trait<u64> + 'static> + 282..287 'bar()': Box<dyn Trait<u64> + 'static> + 293..294 'x': Box<dyn Trait<u64> + 'static> 293..300 'x.foo()': u64 - 306..307 'y': &'? dyn Trait<u64> + 306..307 'y': &'? (dyn Trait<u64> + 'static) 306..313 'y.foo()': u64 - 319..320 'z': Box<dyn Trait<u64>> + 319..320 'z': Box<dyn Trait<u64> + 'static> 319..326 'z.foo()': u64 - 332..333 'x': Box<dyn Trait<u64>> + 332..333 'x': Box<dyn Trait<u64> + 'static> 332..340 'x.foo2()': i64 - 346..347 'y': &'? dyn Trait<u64> + 346..347 'y': &'? (dyn Trait<u64> + 'static) 346..354 'y.foo2()': i64 - 360..361 'z': Box<dyn Trait<u64>> + 360..361 'z': Box<dyn Trait<u64> + 'static> 360..368 'z.foo2()': i64 "#]], ); @@ -1523,14 +1523,14 @@ fn test(s: S<u32, i32>) { expect![[r#" 32..36 'self': &'? Self 102..106 'self': &'? S<T, U> - 128..139 '{ loop {} }': &'? dyn Trait<T, U> + 128..139 '{ loop {} }': &'? (dyn Trait<T, U> + 'static) 130..137 'loop {}': ! 135..137 '{}': () 175..179 'self': &'? Self 251..252 's': S<u32, i32> 267..289 '{ ...z(); }': () 273..274 's': S<u32, i32> - 273..280 's.bar()': &'? dyn Trait<u32, i32> + 273..280 's.bar()': &'? (dyn Trait<u32, i32> + 'static) 273..286 's.bar().baz()': (u32, i32) "#]], ); @@ -1556,20 +1556,20 @@ fn test(x: Trait, y: &Trait) -> u64 { }"#, expect![[r#" 26..30 'self': &'? Self - 60..62 '{}': dyn Trait - 72..73 'x': dyn Trait - 82..83 'y': &'? dyn Trait + 60..62 '{}': dyn Trait + 'static + 72..73 'x': dyn Trait + 'static + 82..83 'y': &'? (dyn Trait + 'static) 100..175 '{ ...o(); }': u64 - 106..107 'x': dyn Trait - 113..114 'y': &'? dyn Trait - 124..125 'z': dyn Trait - 128..131 'bar': fn bar() -> dyn Trait - 128..133 'bar()': dyn Trait - 139..140 'x': dyn Trait + 106..107 'x': dyn Trait + 'static + 113..114 'y': &'? (dyn Trait + 'static) + 124..125 'z': dyn Trait + 'static + 128..131 'bar': fn bar() -> dyn Trait + 'static + 128..133 'bar()': dyn Trait + 'static + 139..140 'x': dyn Trait + 'static 139..146 'x.foo()': u64 - 152..153 'y': &'? dyn Trait + 152..153 'y': &'? (dyn Trait + 'static) 152..159 'y.foo()': u64 - 165..166 'z': dyn Trait + 165..166 'z': dyn Trait + 'static 165..172 'z.foo()': u64 "#]], ); @@ -1589,10 +1589,10 @@ fn main() { expect![[r#" 31..35 'self': &'? S 37..39 '{}': () - 47..48 '_': &'? dyn Fn(S) + 47..48 '_': &'? (dyn Fn(S) + 'static) 58..60 '{}': () 71..105 '{ ...()); }': () - 77..78 'f': fn f(&'? dyn Fn(S)) + 77..78 'f': fn f(&'? (dyn Fn(S) + 'static)) 77..102 'f(&|nu...foo())': () 79..101 '&|numb....foo()': &'? impl Fn(S) 80..101 '|numbe....foo()': impl Fn(S) @@ -2927,13 +2927,13 @@ fn test(x: &dyn Foo) { foo(x); }"#, expect![[r#" - 21..22 'x': &'? dyn Foo + 21..22 'x': &'? (dyn Foo + 'static) 34..36 '{}': () - 46..47 'x': &'? dyn Foo + 46..47 'x': &'? (dyn Foo + 'static) 59..74 '{ foo(x); }': () - 65..68 'foo': fn foo(&'? dyn Foo) + 65..68 'foo': fn foo(&'? (dyn Foo + 'static)) 65..71 'foo(x)': () - 69..70 'x': &'? dyn Foo + 69..70 'x': &'? (dyn Foo + 'static) "#]], ); } @@ -3210,13 +3210,13 @@ fn foo() { 218..324 '{ ...&s); }': () 228..229 's': Option<i32> 232..236 'None': Option<i32> - 246..247 'f': Box<dyn FnOnce(&'? Option<i32>)> - 281..310 'Box { ... {}) }': Box<dyn FnOnce(&'? Option<i32>)> + 246..247 'f': Box<dyn FnOnce(&'? Option<i32>) + 'static> + 281..310 'Box { ... {}) }': Box<dyn FnOnce(&'? Option<i32>) + 'static> 294..308 '&mut (|ps| {})': &'? mut impl FnOnce(&'? Option<i32>) 300..307 '|ps| {}': impl FnOnce(&'? Option<i32>) 301..303 'ps': &'? Option<i32> 305..307 '{}': () - 316..317 'f': Box<dyn FnOnce(&'? Option<i32>)> + 316..317 'f': Box<dyn FnOnce(&'? Option<i32>) + 'static> 316..321 'f(&s)': () 318..320 '&s': &'? Option<i32> 319..320 's': Option<i32> @@ -4252,9 +4252,9 @@ fn f<'a>(v: &dyn Trait<Assoc<i32> = &'a i32>) { "#, expect![[r#" 90..94 'self': &'? Self - 127..128 'v': &'? (dyn Trait<Assoc<i32> = &'a i32>) + 127..128 'v': &'? (dyn Trait<Assoc<i32> = &'a i32> + 'static) 164..195 '{ ...f(); }': () - 170..171 'v': &'? (dyn Trait<Assoc<i32> = &'a i32>) + 170..171 'v': &'? (dyn Trait<Assoc<i32> = &'a i32> + 'static) 170..184 'v.get::<i32>()': &'? i32 170..192 'v.get:...eref()': &'? i32 "#]], @@ -4735,7 +4735,7 @@ pub async fn foo_async<'a>() -> Box<dyn Trait + 'a> { fn foo() { foo_async(); - //^^^^^^^^^^^impl Future<Output = Box<dyn Trait>> + ?Sized + //^^^^^^^^^^^impl Future<Output = Box<dyn Trait + '?>> + ?Sized } "#, ) diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_closure_to_fn.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_closure_to_fn.rs index 1d3a2db3352..43515de71e2 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_closure_to_fn.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_closure_to_fn.rs @@ -1066,7 +1066,7 @@ fn foo() { r#" fn foo() { let (mut a, b) = (0.1, "abc"); - fn closure(p1: i32, p2: &mut bool, a: &mut f64, b: &&str) { + fn closure(p1: i32, p2: &mut bool, a: &mut f64, b: &&'static str) { *a = 1.2; let c = *b; } @@ -1098,7 +1098,7 @@ fn foo() { r#" fn foo() { let (mut a, b) = (0.1, "abc"); - fn closure(p1: i32, p2: &mut bool, a: &mut f64, b: &&str) { + fn closure(p1: i32, p2: &mut bool, a: &mut f64, b: &&'static str) { let _: &mut bool = p2; *a = 1.2; let c = *b; @@ -1136,7 +1136,7 @@ fn foo() { r#" fn foo() { let (mut a, b) = (0.1, "abc"); - fn closure(p1: i32, p2: &mut bool, a: &mut f64, b: &&str) { + fn closure(p1: i32, p2: &mut bool, a: &mut f64, b: &&'static str) { let _: &mut bool = p2; *a = 1.2; let c = *b; diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_function.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_function.rs index 046af71a9dc..e977798c4fd 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_function.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_function.rs @@ -5033,7 +5033,7 @@ fn main() { fun_name(bar); } -fn $0fun_name(bar: &str) { +fn $0fun_name(bar: &'static str) { m!(bar); } "#, diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_variable.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_variable.rs index 3971b60f253..31e84e9adcf 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_variable.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_variable.rs @@ -631,7 +631,7 @@ fn main() { "#, r#" fn main() { - const $0HELLO: &str = "hello"; + const $0HELLO: &'static str = "hello"; } "#, "Extract into constant", @@ -726,7 +726,7 @@ fn main() { "#, r#" fn main() { - static $0HELLO: &str = "hello"; + static $0HELLO: &'static str = "hello"; } "#, "Extract into static", @@ -2528,13 +2528,13 @@ fn foo() { check_assist_by_label( extract_variable, r#" -struct Entry(&str); +struct Entry<'a>(&'a str); fn foo() { let entry = Entry($0"Hello"$0); } "#, r#" -struct Entry(&str); +struct Entry<'a>(&'a str); fn foo() { let $0hello = "Hello"; let entry = Entry(hello); @@ -2546,13 +2546,13 @@ fn foo() { check_assist_by_label( extract_variable, r#" -struct Entry(&str); +struct Entry<'a>(&'a str); fn foo() { let entry = Entry($0"Hello"$0); } "#, r#" -struct Entry(&str); +struct Entry<'a>(&'a str); fn foo() { const $0HELLO: &str = "Hello"; let entry = Entry(HELLO); @@ -2564,13 +2564,13 @@ fn foo() { check_assist_by_label( extract_variable, r#" -struct Entry(&str); +struct Entry<'a>(&'a str); fn foo() { let entry = Entry($0"Hello"$0); } "#, r#" -struct Entry(&str); +struct Entry<'a>(&'a str); fn foo() { static $0HELLO: &str = "Hello"; let entry = Entry(HELLO); @@ -2587,13 +2587,13 @@ fn foo() { check_assist_by_label( extract_variable, r#" -struct Entry { message: &str } +struct Entry<'a> { message: &'a str } fn foo() { let entry = Entry { message: $0"Hello"$0 }; } "#, r#" -struct Entry { message: &str } +struct Entry<'a> { message: &'a str } fn foo() { let $0message = "Hello"; let entry = Entry { message }; @@ -2605,13 +2605,13 @@ fn foo() { check_assist_by_label( extract_variable, r#" -struct Entry { message: &str } +struct Entry<'a> { message: &'a str } fn foo() { let entry = Entry { message: $0"Hello"$0 }; } "#, r#" -struct Entry { message: &str } +struct Entry<'a> { message: &'a str } fn foo() { const $0HELLO: &str = "Hello"; let entry = Entry { message: HELLO }; @@ -2623,13 +2623,13 @@ fn foo() { check_assist_by_label( extract_variable, r#" -struct Entry { message: &str } +struct Entry<'a> { message: &'a str } fn foo() { let entry = Entry { message: $0"Hello"$0 }; } "#, r#" -struct Entry { message: &str } +struct Entry<'a> { message: &'a str } fn foo() { static $0HELLO: &str = "Hello"; let entry = Entry { message: HELLO }; diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_function.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_function.rs index aac145a7215..30084d23d1f 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_function.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_function.rs @@ -47,7 +47,7 @@ use crate::{ // bar("", baz()); // } // -// fn bar(arg: &str, baz: Baz) ${0:-> _} { +// fn bar(arg: &'static str, baz: Baz) ${0:-> _} { // todo!() // } // @@ -1518,7 +1518,7 @@ fn foo() { bar("bar") } -fn bar(arg: &str) { +fn bar(arg: &'static str) { ${0:todo!()} } "#, @@ -2135,7 +2135,7 @@ fn foo() { bar(baz(), baz(), "foo", "bar") } -fn bar(baz_1: Baz, baz_2: Baz, arg_1: &str, arg_2: &str) { +fn bar(baz_1: Baz, baz_2: Baz, arg_1: &'static str, arg_2: &'static str) { ${0:todo!()} } "#, @@ -3103,7 +3103,7 @@ pub struct Foo { field_2: String, } impl Foo { - fn new(baz_1: Baz, baz_2: Baz, arg_1: &str, arg_2: &str) -> Self { + fn new(baz_1: Baz, baz_2: Baz, arg_1: &'static str, arg_2: &'static str) -> Self { ${0:Self { field_1: todo!(), field_2: todo!() }} } } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs b/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs index 54d060cc790..01ab0be34b2 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs @@ -1737,7 +1737,7 @@ fn foo() { bar("", baz()); } -fn bar(arg: &str, baz: Baz) ${0:-> _} { +fn bar(arg: &'static str, baz: Baz) ${0:-> _} { todo!() } diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests/expression.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests/expression.rs index 27d6bc7b14f..d5137949d42 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests/expression.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests/expression.rs @@ -1517,7 +1517,7 @@ fn main() { en Enum Enum fn function() fn() fn main() fn() - lc variable &str + lc variable &'static str ma helper!(…) macro_rules! helper ma m!(…) macro_rules! m ma makro!(…) macro_rules! makro diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests/special.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests/special.rs index 15518e98370..148203107c4 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests/special.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests/special.rs @@ -1358,7 +1358,7 @@ pub fn foo<'x, T>(x: &'x mut T) -> u8 where T: Clone, { 0u8 } fn main() { fo$0 } "#, CompletionItemKind::SymbolKind(ide_db::SymbolKind::Function), - expect!("fn(&mut T) -> u8"), + expect!("fn(&'x mut T) -> u8"), expect!("pub fn foo<'x, T>(x: &'x mut T) -> u8 where T: Clone,"), ); @@ -1391,7 +1391,7 @@ fn main() { } "#, CompletionItemKind::SymbolKind(SymbolKind::Method), - expect!("const fn(&'foo mut self, &Foo) -> !"), + expect!("const fn(&'foo mut self, &'foo Foo) -> !"), expect!("pub const fn baz<'foo>(&'foo mut self, x: &'foo Foo) -> !"), ); } diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests/type_pos.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests/type_pos.rs index c7e2d058257..125e11e9e35 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests/type_pos.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests/type_pos.rs @@ -429,18 +429,18 @@ trait Tr<T> { impl Tr<$0 "#, expect![[r#" - en Enum Enum - ma makro!(…) macro_rules! makro + en Enum Enum + ma makro!(…) macro_rules! makro md module - sp Self dyn Tr<{unknown}> - st Record Record - st S S - st Tuple Tuple - st Unit Unit + sp Self dyn Tr<{unknown}> + 'static + st Record Record + st S S + st Tuple Tuple + st Unit Unit tt Tr tt Trait - un Union Union - bt u32 u32 + un Union Union + bt u32 u32 kw crate:: kw self:: "#]], diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/expected_function.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/expected_function.rs index af25c2b2e33..a6da0fd9c5e 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/expected_function.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/expected_function.rs @@ -31,7 +31,7 @@ fn foo() { x(); // ^^^ error: expected function, found i32 ""(); - // ^^^^ error: expected function, found &str + // ^^^^ error: expected function, found &'static str foo(); } "#, diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/invalid_cast.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/invalid_cast.rs index b56255b1fde..d72b21099ce 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/invalid_cast.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/invalid_cast.rs @@ -166,7 +166,7 @@ fn main() { let _ = ptr as bool; //^^^^^^^^^^^ error: cannot cast `*const ()` as `bool` let v = "hello" as bool; - //^^^^^^^^^^^^^^^ error: casting `&str` as `bool` is invalid: needs casting through a raw pointer first + //^^^^^^^^^^^^^^^ error: casting `&'static str` as `bool` is invalid: needs casting through a raw pointer first } "#, ); @@ -956,7 +956,7 @@ fn main() { fn main() { let pointer: usize = &1_i32 as *const i32 as usize; let _reference: &'static i32 = unsafe { pointer as *const i32 as &'static i32 }; - //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: non-primitive cast: `*const i32` as `&i32` + //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: non-primitive cast: `*const i32` as `&'static i32` } "#, ); @@ -992,7 +992,7 @@ impl Deref for Foo { fn main() { let _ = "foo" as bool; - //^^^^^^^^^^^^^ error: casting `&str` as `bool` is invalid: needs casting through a raw pointer first + //^^^^^^^^^^^^^ error: casting `&'static str` as `bool` is invalid: needs casting through a raw pointer first let _ = Foo as bool; //^^^^^^^^^^^ error: non-primitive cast: `Foo` as `bool` diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/type_mismatch.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/type_mismatch.rs index 1db9b6d0494..500c5de791d 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/type_mismatch.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/type_mismatch.rs @@ -306,10 +306,9 @@ fn str_ref_to_owned( acc: &mut Vec<Assist>, ) -> Option<()> { let expected = d.expected.display(ctx.sema.db, ctx.display_target); - let actual = d.actual.display(ctx.sema.db, ctx.display_target); - // FIXME do this properly - if expected.to_string() != "String" || actual.to_string() != "&str" { + let is_applicable = d.actual.strip_reference().is_str() && expected.to_string() == "String"; + if !is_applicable { return None; } @@ -1176,7 +1175,7 @@ trait B {} fn test(a: &dyn A) -> &dyn B { a - //^ error: expected &dyn B, found &dyn A + //^ error: expected &(dyn B + 'static), found &(dyn A + 'static) } "#, ); diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/typed_hole.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/typed_hole.rs index 1e7f00c2331..a933f1b4261 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/typed_hole.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/typed_hole.rs @@ -151,7 +151,7 @@ fn main() { fn main() { let mut x = t(); x = _; - //^ 💡 error: invalid `_` expression, expected type `&str` + //^ 💡 error: invalid `_` expression, expected type `&'static str` x = ""; } fn t<T>() -> T { loop {} } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_method.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_method.rs index 4422d8f8262..7f07009dc56 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_method.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_method.rs @@ -269,7 +269,7 @@ impl<T, U> A<T, U> { } fn main() { let a = A {a: 0, b: ""}; - A::<i32, &str>::foo(); + A::<i32, &'static str>::foo(); } "#, ); diff --git a/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs b/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs index d469cd7c0cd..7b7eef9d579 100644 --- a/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs +++ b/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs @@ -7085,9 +7085,9 @@ fn foo() { } "#, expect![[r#" - ```rust - &str - ```"#]], + ```rust + &'static str + ```"#]], ); } @@ -8228,7 +8228,7 @@ format_args!("{aaaaa$0}"); *aaaaa* ```rust - let aaaaa: &str + let aaaaa: &'static str ``` "#]], ); @@ -8248,7 +8248,7 @@ format_args!("{$0aaaaa}"); *aaaaa* ```rust - let aaaaa: &str + let aaaaa: &'static str ``` "#]], ); @@ -8268,7 +8268,7 @@ format_args!(r"{$0aaaaa}"); *aaaaa* ```rust - let aaaaa: &str + let aaaaa: &'static str ``` "#]], ); @@ -8293,7 +8293,7 @@ foo!(r"{$0aaaaa}"); *aaaaa* ```rust - let aaaaa: &str + let aaaaa: &'static str ``` "#]], ); @@ -8337,7 +8337,7 @@ fn main() { expect![[r#" *"🦀\u{1f980}\\\x41"* ```rust - &str + &'static str ``` ___ @@ -8353,7 +8353,7 @@ fn main() { expect![[r#" *r"🦀\u{1f980}\\\x41"* ```rust - &str + &'static str ``` ___ @@ -8375,7 +8375,7 @@ fsdghs"; fsdghs"* ```rust - &str + &'static str ``` ___ @@ -8395,7 +8395,7 @@ fn main() { expect![[r#" *c"🦀\u{1f980}\\\x41"* ```rust - &{unknown} + &'static {unknown} ``` ___ @@ -8414,7 +8414,7 @@ fn main() { expect![[r#" *r"`[^`]*`"* ```rust - &str + &'static str ``` ___ @@ -8429,7 +8429,7 @@ fn main() { expect![[r#" *r"`"* ```rust - &str + &'static str ``` ___ @@ -8444,7 +8444,7 @@ fn main() { expect![[r#" *r" "* ```rust - &str + &'static str ``` ___ @@ -8460,12 +8460,12 @@ fn main() { expect![[r#" *r" Hello World "* ```rust - &str + &'static str ``` ___ value of literal: ` Hello World ` -"#]], + "#]], ) } @@ -8480,7 +8480,7 @@ fn main() { expect![[r#" *b"\xF0\x9F\xA6\x80\\"* ```rust - &[u8; 5] + &'static [u8; 5] ``` ___ @@ -8496,7 +8496,7 @@ fn main() { expect![[r#" *br"\xF0\x9F\xA6\x80\\"* ```rust - &[u8; 18] + &'static [u8; 18] ``` ___ @@ -9070,7 +9070,7 @@ struct Pedro$0<'a> { ```rust struct Pedro<'a> { - hola: &str, + hola: &'a str, } ``` @@ -9937,7 +9937,7 @@ fn baz() { --- - `U` = `i32`, `T` = `&str` + `U` = `i32`, `T` = `&'static str` "#]], ); } @@ -10030,7 +10030,7 @@ fn bar() { --- - `T` = `i8`, `U` = `&str` + `T` = `i8`, `U` = `&'static str` "#]], ); } diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/bind_pat.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/bind_pat.rs index 52ea2e5ec58..36fdd90e8ae 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/bind_pat.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/bind_pat.rs @@ -380,9 +380,9 @@ fn main() { let foo = foo3(); // ^^^ impl Fn(f64, f64) -> u32 let foo = foo4(); - // ^^^ &dyn Fn(f64, f64) -> u32 + // ^^^ &'static (dyn Fn(f64, f64) -> u32 + 'static) let foo = foo5(); - // ^^^ &dyn Fn(&dyn Fn(f64, f64) -> u32, f64) -> u32 + // ^^^ &'static (dyn Fn(&(dyn Fn(f64, f64) -> u32 + 'static), f64) -> u32 + 'static) let foo = foo6(); // ^^^ impl Fn(f64, f64) -> u32 let foo = foo7(); @@ -413,7 +413,7 @@ fn main() { let foo = foo3(); // ^^^ impl Fn(f64, f64) -> u32 let foo = foo4(); - // ^^^ &dyn Fn(f64, f64) -> u32 + // ^^^ &'static (dyn Fn(f64, f64) -> u32 + 'static) let foo = foo5(); let foo = foo6(); let foo = foo7(); @@ -528,7 +528,7 @@ fn main() { //^^^^ i32 let _ = 22; let test = "test"; - //^^^^ &str + //^^^^ &'static str let test = InnerStruct {}; //^^^^ InnerStruct @@ -618,12 +618,12 @@ impl<T> Iterator for IntoIter<T> { fn main() { let mut data = Vec::new(); - //^^^^ Vec<&str> + //^^^^ Vec<&'static str> data.push("foo"); for i in data { - //^ &str + //^ &'static str let z = i; - //^ &str + //^ &'static str } } "#, @@ -651,8 +651,8 @@ fn main() { //^^ Vec<Box<&(dyn Display + Sync)>> let _v = { Vec::<Box<*const (dyn Display + Sync)>>::new() }; //^^ Vec<Box<*const (dyn Display + Sync)>> - let _v = { Vec::<Box<dyn Display + Sync>>::new() }; - //^^ Vec<Box<dyn Display + Sync>> + let _v = { Vec::<Box<dyn Display + Sync + 'static>>::new() }; + //^^ Vec<Box<dyn Display + Sync + 'static>> } "#, ); @@ -1017,7 +1017,7 @@ fn test<T>(t: T) { "#, expect![[r#" fn test<T>(t: T) { - let f = |a: i32, b: &str, c: T| {}; + let f = |a: i32, b: &'static str, c: T| {}; let result: () = f(42, "", t); } "#]], diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/closing_brace.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/closing_brace.rs index de9ca8c000f..2ec85da4a42 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/closing_brace.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/closing_brace.rs @@ -194,7 +194,7 @@ impl Tr for () { //^ impl Tr for () impl dyn Tr { } -//^ impl dyn Tr +//^ impl dyn Tr + 'static static S0: () = 0; static S1: () = {}; diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs index 96c2ceef6ba..f6bcb5642c3 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs @@ -1064,7 +1064,7 @@ fn main() { ), work_done_progress_params: Default::default(), }); - assert!(res.to_string().contains("&str")); + assert!(res.to_string().contains("&'static str")); let res = server.send_request::<HoverRequest>(HoverParams { text_document_position_params: TextDocumentPositionParams::new( @@ -1073,7 +1073,7 @@ fn main() { ), work_done_progress_params: Default::default(), }); - assert!(res.to_string().contains("&str")); + assert!(res.to_string().contains("&'static str")); server.request::<GotoTypeDefinition>( GotoDefinitionParams { |