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-rw-r--r--crates/ide_completion/src/completions/dot.rs24
-rw-r--r--crates/ide_completion/src/completions/flyimport.rs8
-rw-r--r--crates/ide_completion/src/completions/fn_param.rs2
-rw-r--r--crates/ide_completion/src/completions/pattern.rs116
-rw-r--r--crates/ide_completion/src/completions/qualified_path.rs56
-rw-r--r--crates/ide_completion/src/completions/trait_impl.rs7
-rw-r--r--crates/ide_completion/src/completions/unqualified_path.rs138
-rw-r--r--crates/ide_completion/src/context.rs21
-rw-r--r--crates/ide_completion/src/lib.rs6
-rw-r--r--crates/ide_completion/src/patterns.rs16
-rw-r--r--crates/ide_completion/src/render.rs230
-rw-r--r--crates/ide_completion/src/render/enum_variant.rs13
-rw-r--r--crates/ide_completion/src/render/function.rs66
-rw-r--r--crates/ide_completion/src/render/pattern.rs36
14 files changed, 462 insertions, 277 deletions
diff --git a/crates/ide_completion/src/completions/dot.rs b/crates/ide_completion/src/completions/dot.rs
index 5ee9a9f07..cec2d0c3a 100644
--- a/crates/ide_completion/src/completions/dot.rs
+++ b/crates/ide_completion/src/completions/dot.rs
@@ -81,7 +81,7 @@ fn foo(s: S) { s.$0 }
81"#, 81"#,
82 expect![[r#" 82 expect![[r#"
83 fd foo u32 83 fd foo u32
84 me bar() -> () 84 me bar() fn(&self)
85 "#]], 85 "#]],
86 ); 86 );
87 } 87 }
@@ -97,7 +97,7 @@ impl S {
97"#, 97"#,
98 expect![[r#" 98 expect![[r#"
99 fd the_field (u32,) 99 fd the_field (u32,)
100 me foo() -> () 100 me foo() fn(self)
101 "#]], 101 "#]],
102 ) 102 )
103 } 103 }
@@ -113,7 +113,7 @@ impl A {
113"#, 113"#,
114 expect![[r#" 114 expect![[r#"
115 fd the_field (u32, i32) 115 fd the_field (u32, i32)
116 me foo() -> () 116 me foo() fn(&self)
117 "#]], 117 "#]],
118 ) 118 )
119 } 119 }
@@ -163,7 +163,7 @@ mod m {
163fn foo(a: A) { a.$0 } 163fn foo(a: A) { a.$0 }
164"#, 164"#,
165 expect![[r#" 165 expect![[r#"
166 me the_method() -> () 166 me the_method() fn(&self)
167 "#]], 167 "#]],
168 ); 168 );
169 } 169 }
@@ -196,7 +196,7 @@ impl A<i32> {
196fn foo(a: A<u32>) { a.$0 } 196fn foo(a: A<u32>) { a.$0 }
197"#, 197"#,
198 expect![[r#" 198 expect![[r#"
199 me the_method() -> () 199 me the_method() fn(&self)
200 "#]], 200 "#]],
201 ) 201 )
202 } 202 }
@@ -211,7 +211,7 @@ impl Trait for A {}
211fn foo(a: A) { a.$0 } 211fn foo(a: A) { a.$0 }
212"#, 212"#,
213 expect![[r#" 213 expect![[r#"
214 me the_method() -> () 214 me the_method() fn(&self)
215 "#]], 215 "#]],
216 ); 216 );
217 } 217 }
@@ -226,7 +226,7 @@ impl<T> Trait for T {}
226fn foo(a: &A) { a.$0 } 226fn foo(a: &A) { a.$0 }
227", 227",
228 expect![[r#" 228 expect![[r#"
229 me the_method() -> () 229 me the_method() fn(&self)
230 "#]], 230 "#]],
231 ); 231 );
232 } 232 }
@@ -244,7 +244,7 @@ impl Trait for A {}
244fn foo(a: A) { a.$0 } 244fn foo(a: A) { a.$0 }
245", 245",
246 expect![[r#" 246 expect![[r#"
247 me the_method() -> () 247 me the_method() fn(&self)
248 "#]], 248 "#]],
249 ); 249 );
250 } 250 }
@@ -298,7 +298,7 @@ impl T {
298} 298}
299"#, 299"#,
300 expect![[r#" 300 expect![[r#"
301 me blah() -> () 301 me blah() fn(&self)
302 "#]], 302 "#]],
303 ); 303 );
304 } 304 }
@@ -407,7 +407,7 @@ fn foo() {
407} 407}
408"#, 408"#,
409 expect![[r#" 409 expect![[r#"
410 me the_method() -> () 410 me the_method() fn(&self)
411 "#]], 411 "#]],
412 ); 412 );
413 } 413 }
@@ -422,7 +422,7 @@ macro_rules! make_s { () => { S }; }
422fn main() { make_s!().f$0; } 422fn main() { make_s!().f$0; }
423"#, 423"#,
424 expect![[r#" 424 expect![[r#"
425 me foo() -> () 425 me foo() fn(&self)
426 "#]], 426 "#]],
427 ) 427 )
428 } 428 }
@@ -450,7 +450,7 @@ mod foo {
450} 450}
451 "#, 451 "#,
452 expect![[r#" 452 expect![[r#"
453 me private() -> () 453 me private() fn(&self)
454 "#]], 454 "#]],
455 ); 455 );
456 } 456 }
diff --git a/crates/ide_completion/src/completions/flyimport.rs b/crates/ide_completion/src/completions/flyimport.rs
index 391a11c91..08df2df3f 100644
--- a/crates/ide_completion/src/completions/flyimport.rs
+++ b/crates/ide_completion/src/completions/flyimport.rs
@@ -402,7 +402,7 @@ fn main() {
402 check( 402 check(
403 fixture, 403 fixture,
404 expect![[r#" 404 expect![[r#"
405 fn weird_function() (dep::test_mod::TestTrait) -> () 405 fn weird_function() (dep::test_mod::TestTrait) fn()
406 "#]], 406 "#]],
407 ); 407 );
408 408
@@ -495,7 +495,7 @@ fn main() {
495 check( 495 check(
496 fixture, 496 fixture,
497 expect![[r#" 497 expect![[r#"
498 me random_method() (dep::test_mod::TestTrait) -> () 498 me random_method() (dep::test_mod::TestTrait) fn(&self)
499 "#]], 499 "#]],
500 ); 500 );
501 501
@@ -665,7 +665,7 @@ fn main() {
665} 665}
666 "#, 666 "#,
667 expect![[r#" 667 expect![[r#"
668 me random_method() (dep::test_mod::TestTrait) -> () DEPRECATED 668 me random_method() (dep::test_mod::TestTrait) fn(&self) DEPRECATED
669 "#]], 669 "#]],
670 ); 670 );
671 671
@@ -696,7 +696,7 @@ fn main() {
696"#, 696"#,
697 expect![[r#" 697 expect![[r#"
698 ct SPECIAL_CONST (dep::test_mod::TestTrait) DEPRECATED 698 ct SPECIAL_CONST (dep::test_mod::TestTrait) DEPRECATED
699 fn weird_function() (dep::test_mod::TestTrait) -> () DEPRECATED 699 fn weird_function() (dep::test_mod::TestTrait) fn() DEPRECATED
700 "#]], 700 "#]],
701 ); 701 );
702 } 702 }
diff --git a/crates/ide_completion/src/completions/fn_param.rs b/crates/ide_completion/src/completions/fn_param.rs
index 0243dce56..0ea558489 100644
--- a/crates/ide_completion/src/completions/fn_param.rs
+++ b/crates/ide_completion/src/completions/fn_param.rs
@@ -33,7 +33,7 @@ pub(crate) fn complete_fn_param(acc: &mut Completions, ctx: &CompletionContext)
33 }); 33 });
34 }; 34 };
35 35
36 for node in ctx.token.parent().ancestors() { 36 for node in ctx.token.ancestors() {
37 match_ast! { 37 match_ast! {
38 match node { 38 match node {
39 ast::SourceFile(it) => it.items().filter_map(|item| match item { 39 ast::SourceFile(it) => it.items().filter_map(|item| match item {
diff --git a/crates/ide_completion/src/completions/pattern.rs b/crates/ide_completion/src/completions/pattern.rs
index 9282c3827..46cef58f0 100644
--- a/crates/ide_completion/src/completions/pattern.rs
+++ b/crates/ide_completion/src/completions/pattern.rs
@@ -11,10 +11,13 @@ pub(crate) fn complete_pattern(acc: &mut Completions, ctx: &CompletionContext) {
11 return; 11 return;
12 } 12 }
13 13
14 if let Some(ty) = &ctx.expected_type { 14 if !ctx.is_irrefutable_pat_binding {
15 super::complete_enum_variants(acc, ctx, ty, |acc, ctx, variant, path| { 15 if let Some(ty) = ctx.expected_type.as_ref() {
16 acc.add_qualified_variant_pat(ctx, variant, path) 16 super::complete_enum_variants(acc, ctx, ty, |acc, ctx, variant, path| {
17 }); 17 acc.add_qualified_variant_pat(ctx, variant, path.clone());
18 acc.add_qualified_enum_variant(ctx, variant, path);
19 });
20 }
18 } 21 }
19 22
20 // FIXME: ideally, we should look at the type we are matching against and 23 // FIXME: ideally, we should look at the type we are matching against and
@@ -85,7 +88,7 @@ static FOO: E = E::X;
85struct Bar { f: u32 } 88struct Bar { f: u32 }
86 89
87fn foo() { 90fn foo() {
88 match E::X { $0 } 91 match E::X { a$0 }
89} 92}
90"#, 93"#,
91 expect![[r#" 94 expect![[r#"
@@ -106,10 +109,11 @@ macro_rules! m { ($e:expr) => { $e } }
106enum E { X } 109enum E { X }
107 110
108fn foo() { 111fn foo() {
109 m!(match E::X { $0 }) 112 m!(match E::X { a$0 })
110} 113}
111"#, 114"#,
112 expect![[r#" 115 expect![[r#"
116 ev E::X ()
113 en E 117 en E
114 ma m!(…) macro_rules! m 118 ma m!(…) macro_rules! m
115 "#]], 119 "#]],
@@ -129,7 +133,7 @@ static FOO: E = E::X;
129struct Bar { f: u32 } 133struct Bar { f: u32 }
130 134
131fn foo() { 135fn foo() {
132 let $0 136 let a$0
133} 137}
134"#, 138"#,
135 expect![[r#" 139 expect![[r#"
@@ -147,7 +151,7 @@ enum E { X }
147static FOO: E = E::X; 151static FOO: E = E::X;
148struct Bar { f: u32 } 152struct Bar { f: u32 }
149 153
150fn foo($0) { 154fn foo(a$0) {
151} 155}
152"#, 156"#,
153 expect![[r#" 157 expect![[r#"
@@ -163,7 +167,7 @@ fn foo($0) {
163struct Bar { f: u32 } 167struct Bar { f: u32 }
164 168
165fn foo() { 169fn foo() {
166 let $0 170 let a$0
167} 171}
168"#, 172"#,
169 expect![[r#" 173 expect![[r#"
@@ -179,7 +183,7 @@ fn foo() {
179struct Foo { bar: String, baz: String } 183struct Foo { bar: String, baz: String }
180struct Bar(String, String); 184struct Bar(String, String);
181struct Baz; 185struct Baz;
182fn outer($0) {} 186fn outer(a$0) {}
183"#, 187"#,
184 expect![[r#" 188 expect![[r#"
185 bn Foo Foo { bar$1, baz$2 }: Foo$0 189 bn Foo Foo { bar$1, baz$2 }: Foo$0
@@ -196,7 +200,7 @@ struct Foo { bar: String, baz: String }
196struct Bar(String, String); 200struct Bar(String, String);
197struct Baz; 201struct Baz;
198fn outer() { 202fn outer() {
199 let $0 203 let a$0
200} 204}
201"#, 205"#,
202 expect![[r#" 206 expect![[r#"
@@ -215,7 +219,7 @@ struct Bar(String, String);
215struct Baz; 219struct Baz;
216fn outer() { 220fn outer() {
217 match () { 221 match () {
218 $0 222 a$0
219 } 223 }
220} 224}
221"#, 225"#,
@@ -239,7 +243,7 @@ use foo::*;
239 243
240fn outer() { 244fn outer() {
241 match () { 245 match () {
242 $0 246 a$0
243 } 247 }
244} 248}
245"#, 249"#,
@@ -258,7 +262,7 @@ fn outer() {
258struct Foo(i32); 262struct Foo(i32);
259fn main() { 263fn main() {
260 match Foo(92) { 264 match Foo(92) {
261 $0(92) => (), 265 a$0(92) => (),
262 } 266 }
263} 267}
264"#, 268"#,
@@ -281,7 +285,7 @@ struct Foo(i32);
281impl Foo { 285impl Foo {
282 fn foo() { 286 fn foo() {
283 match () { 287 match () {
284 $0 288 a$0
285 } 289 }
286 } 290 }
287} 291}
@@ -314,4 +318,86 @@ impl Foo {
314 "#]], 318 "#]],
315 ) 319 )
316 } 320 }
321
322 #[test]
323 fn completes_enum_variant_matcharm() {
324 check(
325 r#"
326enum Foo { Bar, Baz, Quux }
327
328fn main() {
329 let foo = Foo::Quux;
330 match foo { Qu$0 }
331}
332"#,
333 expect![[r#"
334 ev Foo::Bar ()
335 ev Foo::Baz ()
336 ev Foo::Quux ()
337 en Foo
338 "#]],
339 )
340 }
341
342 #[test]
343 fn completes_enum_variant_matcharm_ref() {
344 check(
345 r#"
346enum Foo { Bar, Baz, Quux }
347
348fn main() {
349 let foo = Foo::Quux;
350 match &foo { Qu$0 }
351}
352"#,
353 expect![[r#"
354 ev Foo::Bar ()
355 ev Foo::Baz ()
356 ev Foo::Quux ()
357 en Foo
358 "#]],
359 )
360 }
361
362 #[test]
363 fn completes_enum_variant_iflet() {
364 check(
365 r#"
366enum Foo { Bar, Baz, Quux }
367
368fn main() {
369 let foo = Foo::Quux;
370 if let Qu$0 = foo { }
371}
372"#,
373 expect![[r#"
374 ev Foo::Bar ()
375 ev Foo::Baz ()
376 ev Foo::Quux ()
377 en Foo
378 "#]],
379 )
380 }
381
382 #[test]
383 fn completes_enum_variant_impl() {
384 check(
385 r#"
386enum Foo { Bar, Baz, Quux }
387impl Foo {
388 fn foo() { match Foo::Bar { Q$0 } }
389}
390"#,
391 expect![[r#"
392 ev Self::Bar ()
393 ev Self::Baz ()
394 ev Self::Quux ()
395 ev Foo::Bar ()
396 ev Foo::Baz ()
397 ev Foo::Quux ()
398 sp Self
399 en Foo
400 "#]],
401 )
402 }
317} 403}
diff --git a/crates/ide_completion/src/completions/qualified_path.rs b/crates/ide_completion/src/completions/qualified_path.rs
index df74b739e..105ff6013 100644
--- a/crates/ide_completion/src/completions/qualified_path.rs
+++ b/crates/ide_completion/src/completions/qualified_path.rs
@@ -359,8 +359,8 @@ impl S {
359fn foo() { let _ = S::$0 } 359fn foo() { let _ = S::$0 }
360"#, 360"#,
361 expect![[r#" 361 expect![[r#"
362 fn a() -> () 362 fn a() fn()
363 me b(…) -> () 363 me b(…) fn(&self)
364 ct C const C: i32 = 42; 364 ct C const C: i32 = 42;
365 ta T type T = i32; 365 ta T type T = i32;
366 "#]], 366 "#]],
@@ -387,7 +387,7 @@ mod m {
387fn foo() { let _ = S::$0 } 387fn foo() { let _ = S::$0 }
388"#, 388"#,
389 expect![[r#" 389 expect![[r#"
390 fn public_method() -> () 390 fn public_method() fn()
391 ct PUBLIC_CONST pub(crate) const PUBLIC_CONST: u32 = 1; 391 ct PUBLIC_CONST pub(crate) const PUBLIC_CONST: u32 = 1;
392 ta PublicType pub(crate) type PublicType = u32; 392 ta PublicType pub(crate) type PublicType = u32;
393 "#]], 393 "#]],
@@ -404,7 +404,7 @@ impl E { fn m() { } }
404fn foo() { let _ = E::$0 } 404fn foo() { let _ = E::$0 }
405 "#, 405 "#,
406 expect![[r#" 406 expect![[r#"
407 fn m() -> () 407 fn m() fn()
408 "#]], 408 "#]],
409 ); 409 );
410 } 410 }
@@ -419,7 +419,7 @@ impl U { fn m() { } }
419fn foo() { let _ = U::$0 } 419fn foo() { let _ = U::$0 }
420"#, 420"#,
421 expect![[r#" 421 expect![[r#"
422 fn m() -> () 422 fn m() fn()
423 "#]], 423 "#]],
424 ); 424 );
425 } 425 }
@@ -449,7 +449,7 @@ trait Trait { fn m(); }
449fn foo() { let _ = Trait::$0 } 449fn foo() { let _ = Trait::$0 }
450"#, 450"#,
451 expect![[r#" 451 expect![[r#"
452 fn m() -> () 452 fn m() fn()
453 "#]], 453 "#]],
454 ); 454 );
455 } 455 }
@@ -466,7 +466,7 @@ impl Trait for S {}
466fn foo() { let _ = S::$0 } 466fn foo() { let _ = S::$0 }
467"#, 467"#,
468 expect![[r#" 468 expect![[r#"
469 fn m() -> () 469 fn m() fn()
470 "#]], 470 "#]],
471 ); 471 );
472 } 472 }
@@ -483,7 +483,7 @@ impl Trait for S {}
483fn foo() { let _ = <S as Trait>::$0 } 483fn foo() { let _ = <S as Trait>::$0 }
484"#, 484"#,
485 expect![[r#" 485 expect![[r#"
486 fn m() -> () 486 fn m() fn()
487 "#]], 487 "#]],
488 ); 488 );
489 } 489 }
@@ -512,11 +512,11 @@ fn foo<T: Sub>() { T::$0 }
512 ta SubTy type SubTy; 512 ta SubTy type SubTy;
513 ta Ty type Ty; 513 ta Ty type Ty;
514 ct C2 const C2: (); 514 ct C2 const C2: ();
515 fn subfunc() -> () 515 fn subfunc() fn()
516 me submethod(…) -> () 516 me submethod(…) fn(&self)
517 ct CONST const CONST: u8; 517 ct CONST const CONST: u8;
518 fn func() -> () 518 fn func() fn()
519 me method(…) -> () 519 me method(…) fn(&self)
520 "#]], 520 "#]],
521 ); 521 );
522 } 522 }
@@ -552,11 +552,11 @@ impl<T> Sub for Wrap<T> {
552 ta SubTy type SubTy; 552 ta SubTy type SubTy;
553 ta Ty type Ty; 553 ta Ty type Ty;
554 ct CONST const CONST: u8 = 0; 554 ct CONST const CONST: u8 = 0;
555 fn func() -> () 555 fn func() fn()
556 me method(…) -> () 556 me method(…) fn(&self)
557 ct C2 const C2: () = (); 557 ct C2 const C2: () = ();
558 fn subfunc() -> () 558 fn subfunc() fn()
559 me submethod(…) -> () 559 me submethod(…) fn(&self)
560 "#]], 560 "#]],
561 ); 561 );
562 } 562 }
@@ -573,8 +573,8 @@ impl T { fn bar() {} }
573fn main() { T::$0; } 573fn main() { T::$0; }
574"#, 574"#,
575 expect![[r#" 575 expect![[r#"
576 fn foo() -> () 576 fn foo() fn()
577 fn bar() -> () 577 fn bar() fn()
578 "#]], 578 "#]],
579 ); 579 );
580 } 580 }
@@ -589,7 +589,7 @@ macro_rules! foo { () => {} }
589fn main() { let _ = crate::$0 } 589fn main() { let _ = crate::$0 }
590 "#, 590 "#,
591 expect![[r##" 591 expect![[r##"
592 fn main() -> () 592 fn main() fn()
593 ma foo!(…) #[macro_export] macro_rules! foo 593 ma foo!(…) #[macro_export] macro_rules! foo
594 "##]], 594 "##]],
595 ); 595 );
@@ -633,7 +633,7 @@ mod p {
633"#, 633"#,
634 expect![[r#" 634 expect![[r#"
635 ct RIGHT_CONST 635 ct RIGHT_CONST
636 fn right_fn() -> () 636 fn right_fn() fn()
637 st RightType 637 st RightType
638 "#]], 638 "#]],
639 ); 639 );
@@ -680,8 +680,8 @@ fn main() { m!(self::f$0); }
680fn foo() {} 680fn foo() {}
681"#, 681"#,
682 expect![[r#" 682 expect![[r#"
683 fn main() -> () 683 fn main() fn()
684 fn foo() -> () 684 fn foo() fn()
685 "#]], 685 "#]],
686 ); 686 );
687 } 687 }
@@ -699,7 +699,7 @@ mod m {
699"#, 699"#,
700 expect![[r#" 700 expect![[r#"
701 md z 701 md z
702 fn z() -> () 702 fn z() fn()
703 "#]], 703 "#]],
704 ); 704 );
705 } 705 }
@@ -719,7 +719,7 @@ fn foo() {
719} 719}
720"#, 720"#,
721 expect![[r#" 721 expect![[r#"
722 fn new() -> HashMap<K, V, RandomState> 722 fn new() fn() -> HashMap<K, V, RandomState>
723 "#]], 723 "#]],
724 ); 724 );
725 } 725 }
@@ -752,8 +752,8 @@ fn main() {
752} 752}
753"#, 753"#,
754 expect![[r#" 754 expect![[r#"
755 fn main() -> () 755 fn main() fn()
756 fn foo(…) -> () 756 fn foo(…) fn(i32, i32)
757 "#]], 757 "#]],
758 ); 758 );
759 } 759 }
@@ -776,7 +776,7 @@ impl Foo {
776 expect![[r#" 776 expect![[r#"
777 ev Bar () 777 ev Bar ()
778 ev Baz () 778 ev Baz ()
779 me foo(…) -> () 779 me foo(…) fn(self)
780 "#]], 780 "#]],
781 ); 781 );
782 } 782 }
@@ -800,7 +800,7 @@ impl u8 {
800"#, 800"#,
801 expect![[r#" 801 expect![[r#"
802 ct MAX pub const MAX: Self = 255; 802 ct MAX pub const MAX: Self = 255;
803 me func(…) -> () 803 me func(…) fn(self)
804 "#]], 804 "#]],
805 ); 805 );
806 } 806 }
diff --git a/crates/ide_completion/src/completions/trait_impl.rs b/crates/ide_completion/src/completions/trait_impl.rs
index 5a7361f8e..a26fe7c6c 100644
--- a/crates/ide_completion/src/completions/trait_impl.rs
+++ b/crates/ide_completion/src/completions/trait_impl.rs
@@ -82,13 +82,14 @@ pub(crate) fn complete_trait_impl(acc: &mut Completions, ctx: &CompletionContext
82 82
83fn completion_match(ctx: &CompletionContext) -> Option<(ImplCompletionKind, SyntaxNode, Impl)> { 83fn completion_match(ctx: &CompletionContext) -> Option<(ImplCompletionKind, SyntaxNode, Impl)> {
84 let mut token = ctx.token.clone(); 84 let mut token = ctx.token.clone();
85 // For keywork without name like `impl .. { fn $0 }`, the current position is inside 85 // For keyword without name like `impl .. { fn $0 }`, the current position is inside
86 // the whitespace token, which is outside `FN` syntax node. 86 // the whitespace token, which is outside `FN` syntax node.
87 // We need to follow the previous token in this case. 87 // We need to follow the previous token in this case.
88 if token.kind() == SyntaxKind::WHITESPACE { 88 if token.kind() == SyntaxKind::WHITESPACE {
89 token = token.prev_token()?; 89 token = token.prev_token()?;
90 } 90 }
91 91
92 let parent_kind = token.parent().map_or(SyntaxKind::EOF, |it| it.kind());
92 let impl_item_offset = match token.kind() { 93 let impl_item_offset = match token.kind() {
93 // `impl .. { const $0 }` 94 // `impl .. { const $0 }`
94 // ERROR 0 95 // ERROR 0
@@ -102,14 +103,14 @@ fn completion_match(ctx: &CompletionContext) -> Option<(ImplCompletionKind, Synt
102 // FN/TYPE_ALIAS/CONST 1 103 // FN/TYPE_ALIAS/CONST 1
103 // NAME 0 104 // NAME 0
104 // IDENT <- * 105 // IDENT <- *
105 SyntaxKind::IDENT if token.parent().kind() == SyntaxKind::NAME => 1, 106 SyntaxKind::IDENT if parent_kind == SyntaxKind::NAME => 1,
106 // `impl .. { foo$0 }` 107 // `impl .. { foo$0 }`
107 // MACRO_CALL 3 108 // MACRO_CALL 3
108 // PATH 2 109 // PATH 2
109 // PATH_SEGMENT 1 110 // PATH_SEGMENT 1
110 // NAME_REF 0 111 // NAME_REF 0
111 // IDENT <- * 112 // IDENT <- *
112 SyntaxKind::IDENT if token.parent().kind() == SyntaxKind::NAME_REF => 3, 113 SyntaxKind::IDENT if parent_kind == SyntaxKind::NAME_REF => 3,
113 _ => return None, 114 _ => return None,
114 }; 115 };
115 116
diff --git a/crates/ide_completion/src/completions/unqualified_path.rs b/crates/ide_completion/src/completions/unqualified_path.rs
index 044dfd160..1b8b063e7 100644
--- a/crates/ide_completion/src/completions/unqualified_path.rs
+++ b/crates/ide_completion/src/completions/unqualified_path.rs
@@ -6,7 +6,7 @@ use syntax::AstNode;
6use crate::{CompletionContext, Completions}; 6use crate::{CompletionContext, Completions};
7 7
8pub(crate) fn complete_unqualified_path(acc: &mut Completions, ctx: &CompletionContext) { 8pub(crate) fn complete_unqualified_path(acc: &mut Completions, ctx: &CompletionContext) {
9 if !(ctx.is_trivial_path || ctx.is_pat_binding_or_const) { 9 if !ctx.is_trivial_path {
10 return; 10 return;
11 } 11 }
12 if ctx.record_lit_syntax.is_some() 12 if ctx.record_lit_syntax.is_some()
@@ -23,10 +23,6 @@ pub(crate) fn complete_unqualified_path(acc: &mut Completions, ctx: &CompletionC
23 }); 23 });
24 } 24 }
25 25
26 if ctx.is_pat_binding_or_const {
27 return;
28 }
29
30 ctx.scope.process_all_names(&mut |name, res| { 26 ctx.scope.process_all_names(&mut |name, res| {
31 if let ScopeDef::GenericParam(hir::GenericParam::LifetimeParam(_)) = res { 27 if let ScopeDef::GenericParam(hir::GenericParam::LifetimeParam(_)) = res {
32 cov_mark::hit!(skip_lifetime_completion); 28 cov_mark::hit!(skip_lifetime_completion);
@@ -139,7 +135,7 @@ fn quux(x: i32) {
139 expect![[r#" 135 expect![[r#"
140 lc y i32 136 lc y i32
141 lc x i32 137 lc x i32
142 fn quux(…) -> () 138 fn quux(…) fn(i32)
143 "#]], 139 "#]],
144 ); 140 );
145 } 141 }
@@ -161,7 +157,7 @@ fn quux() {
161 expect![[r#" 157 expect![[r#"
162 lc b i32 158 lc b i32
163 lc a 159 lc a
164 fn quux() -> () 160 fn quux() fn()
165 "#]], 161 "#]],
166 ); 162 );
167 } 163 }
@@ -176,7 +172,7 @@ fn quux() {
176"#, 172"#,
177 expect![[r#" 173 expect![[r#"
178 lc x 174 lc x
179 fn quux() -> () 175 fn quux() fn()
180 "#]], 176 "#]],
181 ); 177 );
182 } 178 }
@@ -207,14 +203,14 @@ fn main() {
207 r#"fn quux<T>() { $0 }"#, 203 r#"fn quux<T>() { $0 }"#,
208 expect![[r#" 204 expect![[r#"
209 tp T 205 tp T
210 fn quux() -> () 206 fn quux() fn()
211 "#]], 207 "#]],
212 ); 208 );
213 check( 209 check(
214 r#"fn quux<const C: usize>() { $0 }"#, 210 r#"fn quux<const C: usize>() { $0 }"#,
215 expect![[r#" 211 expect![[r#"
216 cp C 212 cp C
217 fn quux() -> () 213 fn quux() fn()
218 "#]], 214 "#]],
219 ); 215 );
220 } 216 }
@@ -225,7 +221,7 @@ fn main() {
225 check( 221 check(
226 r#"fn quux<'a>() { $0 }"#, 222 r#"fn quux<'a>() { $0 }"#,
227 expect![[r#" 223 expect![[r#"
228 fn quux() -> () 224 fn quux() fn()
229 "#]], 225 "#]],
230 ); 226 );
231 } 227 }
@@ -263,7 +259,7 @@ fn quux() { $0 }
263"#, 259"#,
264 expect![[r#" 260 expect![[r#"
265 st S 261 st S
266 fn quux() -> () 262 fn quux() fn()
267 en E 263 en E
268 "#]], 264 "#]],
269 ); 265 );
@@ -316,7 +312,7 @@ mod m {
316} 312}
317"#, 313"#,
318 expect![[r#" 314 expect![[r#"
319 fn quux() -> () 315 fn quux() fn()
320 st Bar 316 st Bar
321 "#]], 317 "#]],
322 ); 318 );
@@ -331,7 +327,7 @@ fn x() -> $0
331"#, 327"#,
332 expect![[r#" 328 expect![[r#"
333 st Foo 329 st Foo
334 fn x() -> () 330 fn x() fn()
335 "#]], 331 "#]],
336 ); 332 );
337 } 333 }
@@ -352,7 +348,7 @@ fn foo() {
352 expect![[r#" 348 expect![[r#"
353 lc bar i32 349 lc bar i32
354 lc bar i32 350 lc bar i32
355 fn foo() -> () 351 fn foo() fn()
356 "#]], 352 "#]],
357 ); 353 );
358 } 354 }
@@ -382,7 +378,7 @@ use prelude::*;
382mod prelude { struct Option; } 378mod prelude { struct Option; }
383"#, 379"#,
384 expect![[r#" 380 expect![[r#"
385 fn foo() -> () 381 fn foo() fn()
386 md std 382 md std
387 st Option 383 st Option
388 "#]], 384 "#]],
@@ -412,7 +408,7 @@ mod macros {
412} 408}
413"#, 409"#,
414 expect![[r##" 410 expect![[r##"
415 fn f() -> () 411 fn f() fn()
416 ma concat!(…) #[macro_export] macro_rules! concat 412 ma concat!(…) #[macro_export] macro_rules! concat
417 md std 413 md std
418 "##]], 414 "##]],
@@ -439,7 +435,7 @@ use prelude::*;
439mod prelude { struct String; } 435mod prelude { struct String; }
440"#, 436"#,
441 expect![[r#" 437 expect![[r#"
442 fn foo() -> () 438 fn foo() fn()
443 md std 439 md std
444 md core 440 md core
445 st String 441 st String
@@ -470,7 +466,7 @@ fn main() { let v = $0 }
470 expect![[r##" 466 expect![[r##"
471 md m1 467 md m1
472 ma baz!(…) #[macro_export] macro_rules! baz 468 ma baz!(…) #[macro_export] macro_rules! baz
473 fn main() -> () 469 fn main() fn()
474 md m2 470 md m2
475 ma bar!(…) macro_rules! bar 471 ma bar!(…) macro_rules! bar
476 ma foo!(…) macro_rules! foo 472 ma foo!(…) macro_rules! foo
@@ -486,7 +482,7 @@ macro_rules! foo { () => {} }
486fn foo() { $0 } 482fn foo() { $0 }
487"#, 483"#,
488 expect![[r#" 484 expect![[r#"
489 fn foo() -> () 485 fn foo() fn()
490 ma foo!(…) macro_rules! foo 486 ma foo!(…) macro_rules! foo
491 "#]], 487 "#]],
492 ); 488 );
@@ -500,7 +496,7 @@ macro_rules! foo { () => {} }
500fn main() { let x: $0 } 496fn main() { let x: $0 }
501"#, 497"#,
502 expect![[r#" 498 expect![[r#"
503 fn main() -> () 499 fn main() fn()
504 ma foo!(…) macro_rules! foo 500 ma foo!(…) macro_rules! foo
505 "#]], 501 "#]],
506 ); 502 );
@@ -514,7 +510,7 @@ macro_rules! foo { () => {} }
514fn main() { $0 } 510fn main() { $0 }
515"#, 511"#,
516 expect![[r#" 512 expect![[r#"
517 fn main() -> () 513 fn main() fn()
518 ma foo!(…) macro_rules! foo 514 ma foo!(…) macro_rules! foo
519 "#]], 515 "#]],
520 ); 516 );
@@ -530,8 +526,8 @@ fn main() {
530} 526}
531"#, 527"#,
532 expect![[r#" 528 expect![[r#"
533 fn frobnicate() -> () 529 fn frobnicate() fn()
534 fn main() -> () 530 fn main() fn()
535 "#]], 531 "#]],
536 ); 532 );
537 } 533 }
@@ -549,7 +545,7 @@ fn quux(x: i32) {
549 expect![[r#" 545 expect![[r#"
550 lc y i32 546 lc y i32
551 lc x i32 547 lc x i32
552 fn quux(…) -> () 548 fn quux(…) fn(i32)
553 ma m!(…) macro_rules! m 549 ma m!(…) macro_rules! m
554 "#]], 550 "#]],
555 ); 551 );
@@ -568,7 +564,7 @@ fn quux(x: i32) {
568 expect![[r#" 564 expect![[r#"
569 lc y i32 565 lc y i32
570 lc x i32 566 lc x i32
571 fn quux(…) -> () 567 fn quux(…) fn(i32)
572 ma m!(…) macro_rules! m 568 ma m!(…) macro_rules! m
573 "#]], 569 "#]],
574 ); 570 );
@@ -587,7 +583,7 @@ fn quux(x: i32) {
587 expect![[r#" 583 expect![[r#"
588 lc y i32 584 lc y i32
589 lc x i32 585 lc x i32
590 fn quux(…) -> () 586 fn quux(…) fn(i32)
591 ma m!(…) macro_rules! m 587 ma m!(…) macro_rules! m
592 "#]], 588 "#]],
593 ); 589 );
@@ -602,73 +598,13 @@ use spam::Quux;
602fn main() { $0 } 598fn main() { $0 }
603"#, 599"#,
604 expect![[r#" 600 expect![[r#"
605 fn main() -> () 601 fn main() fn()
606 ?? Quux 602 ?? Quux
607 "#]], 603 "#]],
608 ); 604 );
609 } 605 }
610 606
611 #[test] 607 #[test]
612 fn completes_enum_variant_matcharm() {
613 check(
614 r#"
615enum Foo { Bar, Baz, Quux }
616
617fn main() {
618 let foo = Foo::Quux;
619 match foo { Qu$0 }
620}
621"#,
622 expect![[r#"
623 ev Foo::Bar ()
624 ev Foo::Baz ()
625 ev Foo::Quux ()
626 en Foo
627 "#]],
628 )
629 }
630
631 #[test]
632 fn completes_enum_variant_matcharm_ref() {
633 check(
634 r#"
635enum Foo { Bar, Baz, Quux }
636
637fn main() {
638 let foo = Foo::Quux;
639 match &foo { Qu$0 }
640}
641"#,
642 expect![[r#"
643 ev Foo::Bar ()
644 ev Foo::Baz ()
645 ev Foo::Quux ()
646 en Foo
647 "#]],
648 )
649 }
650
651 #[test]
652 fn completes_enum_variant_iflet() {
653 check(
654 r#"
655enum Foo { Bar, Baz, Quux }
656
657fn main() {
658 let foo = Foo::Quux;
659 if let Qu$0 = foo { }
660}
661"#,
662 expect![[r#"
663 ev Foo::Bar ()
664 ev Foo::Baz ()
665 ev Foo::Quux ()
666 en Foo
667 "#]],
668 )
669 }
670
671 #[test]
672 fn completes_enum_variant_basic_expr() { 608 fn completes_enum_variant_basic_expr() {
673 check( 609 check(
674 r#" 610 r#"
@@ -680,7 +616,7 @@ fn main() { let foo: Foo = Q$0 }
680 ev Foo::Baz () 616 ev Foo::Baz ()
681 ev Foo::Quux () 617 ev Foo::Quux ()
682 en Foo 618 en Foo
683 fn main() -> () 619 fn main() fn()
684 "#]], 620 "#]],
685 ) 621 )
686 } 622 }
@@ -695,29 +631,7 @@ fn f() -> m::E { V$0 }
695 expect![[r#" 631 expect![[r#"
696 ev m::E::V () 632 ev m::E::V ()
697 md m 633 md m
698 fn f() -> E 634 fn f() fn() -> E
699 "#]],
700 )
701 }
702
703 #[test]
704 fn completes_enum_variant_impl() {
705 check(
706 r#"
707enum Foo { Bar, Baz, Quux }
708impl Foo {
709 fn foo() { match Foo::Bar { Q$0 } }
710}
711"#,
712 expect![[r#"
713 ev Self::Bar ()
714 ev Self::Baz ()
715 ev Self::Quux ()
716 ev Foo::Bar ()
717 ev Foo::Baz ()
718 ev Foo::Quux ()
719 sp Self
720 en Foo
721 "#]], 635 "#]],
722 ) 636 )
723 } 637 }
diff --git a/crates/ide_completion/src/context.rs b/crates/ide_completion/src/context.rs
index e6cc6329c..6d57da06a 100644
--- a/crates/ide_completion/src/context.rs
+++ b/crates/ide_completion/src/context.rs
@@ -120,7 +120,7 @@ impl<'a> CompletionContext<'a> {
120 let original_token = 120 let original_token =
121 original_file.syntax().token_at_offset(position.offset).left_biased()?; 121 original_file.syntax().token_at_offset(position.offset).left_biased()?;
122 let token = sema.descend_into_macros(original_token.clone()); 122 let token = sema.descend_into_macros(original_token.clone());
123 let scope = sema.scope_at_offset(&token.parent(), position.offset); 123 let scope = sema.scope_at_offset(&token, position.offset);
124 let mut locals = vec![]; 124 let mut locals = vec![];
125 scope.process_all_names(&mut |name, scope| { 125 scope.process_all_names(&mut |name, scope| {
126 if let ScopeDef::Local(local) = scope { 126 if let ScopeDef::Local(local) = scope {
@@ -281,7 +281,7 @@ impl<'a> CompletionContext<'a> {
281 fn fill_impl_def(&mut self) { 281 fn fill_impl_def(&mut self) {
282 self.impl_def = self 282 self.impl_def = self
283 .sema 283 .sema
284 .ancestors_with_macros(self.token.parent()) 284 .token_ancestors_with_macros(self.token.clone())
285 .take_while(|it| it.kind() != SOURCE_FILE && it.kind() != MODULE) 285 .take_while(|it| it.kind() != SOURCE_FILE && it.kind() != MODULE)
286 .find_map(ast::Impl::cast); 286 .find_map(ast::Impl::cast);
287 } 287 }
@@ -293,7 +293,10 @@ impl<'a> CompletionContext<'a> {
293 offset: TextSize, 293 offset: TextSize,
294 ) { 294 ) {
295 let expected = { 295 let expected = {
296 let mut node = self.token.parent(); 296 let mut node = match self.token.parent() {
297 Some(it) => it,
298 None => return,
299 };
297 loop { 300 loop {
298 let ret = match_ast! { 301 let ret = match_ast! {
299 match node { 302 match node {
@@ -310,7 +313,7 @@ impl<'a> CompletionContext<'a> {
310 313
311 (ty, name) 314 (ty, name)
312 }, 315 },
313 ast::ArgList(it) => { 316 ast::ArgList(_it) => {
314 cov_mark::hit!(expected_type_fn_param_with_leading_char); 317 cov_mark::hit!(expected_type_fn_param_with_leading_char);
315 cov_mark::hit!(expected_type_fn_param_without_leading_char); 318 cov_mark::hit!(expected_type_fn_param_without_leading_char);
316 ActiveParameter::at_token( 319 ActiveParameter::at_token(
@@ -319,7 +322,7 @@ impl<'a> CompletionContext<'a> {
319 ).map(|ap| (Some(ap.ty), Some(ap.name))) 322 ).map(|ap| (Some(ap.ty), Some(ap.name)))
320 .unwrap_or((None, None)) 323 .unwrap_or((None, None))
321 }, 324 },
322 ast::RecordExprFieldList(it) => { 325 ast::RecordExprFieldList(_it) => {
323 cov_mark::hit!(expected_type_struct_field_without_leading_char); 326 cov_mark::hit!(expected_type_struct_field_without_leading_char);
324 self.token.prev_sibling_or_token() 327 self.token.prev_sibling_or_token()
325 .and_then(|se| se.into_node()) 328 .and_then(|se| se.into_node())
@@ -355,7 +358,7 @@ impl<'a> CompletionContext<'a> {
355 358
356 (ty, None) 359 (ty, None)
357 }, 360 },
358 ast::Fn(it) => { 361 ast::Fn(_it) => {
359 cov_mark::hit!(expected_type_fn_ret_with_leading_char); 362 cov_mark::hit!(expected_type_fn_ret_with_leading_char);
360 cov_mark::hit!(expected_type_fn_ret_without_leading_char); 363 cov_mark::hit!(expected_type_fn_ret_without_leading_char);
361 let ty = self.token.ancestors() 364 let ty = self.token.ancestors()
@@ -474,17 +477,17 @@ impl<'a> CompletionContext<'a> {
474 } 477 }
475 478
476 self.use_item_syntax = 479 self.use_item_syntax =
477 self.sema.ancestors_with_macros(self.token.parent()).find_map(ast::Use::cast); 480 self.sema.token_ancestors_with_macros(self.token.clone()).find_map(ast::Use::cast);
478 481
479 self.function_syntax = self 482 self.function_syntax = self
480 .sema 483 .sema
481 .ancestors_with_macros(self.token.parent()) 484 .token_ancestors_with_macros(self.token.clone())
482 .take_while(|it| it.kind() != SOURCE_FILE && it.kind() != MODULE) 485 .take_while(|it| it.kind() != SOURCE_FILE && it.kind() != MODULE)
483 .find_map(ast::Fn::cast); 486 .find_map(ast::Fn::cast);
484 487
485 self.record_field_syntax = self 488 self.record_field_syntax = self
486 .sema 489 .sema
487 .ancestors_with_macros(self.token.parent()) 490 .token_ancestors_with_macros(self.token.clone())
488 .take_while(|it| { 491 .take_while(|it| {
489 it.kind() != SOURCE_FILE && it.kind() != MODULE && it.kind() != CALL_EXPR 492 it.kind() != SOURCE_FILE && it.kind() != MODULE && it.kind() != CALL_EXPR
490 }) 493 })
diff --git a/crates/ide_completion/src/lib.rs b/crates/ide_completion/src/lib.rs
index 263554ecf..5b7ad38d5 100644
--- a/crates/ide_completion/src/lib.rs
+++ b/crates/ide_completion/src/lib.rs
@@ -230,7 +230,7 @@ fn foo() {
230 bar.fo$0; 230 bar.fo$0;
231} 231}
232"#, 232"#,
233 DetailAndDocumentation { detail: "-> ()", documentation: "Do the foo" }, 233 DetailAndDocumentation { detail: "fn(&self)", documentation: "Do the foo" },
234 ); 234 );
235 } 235 }
236 236
@@ -255,7 +255,7 @@ fn foo() {
255 bar.fo$0; 255 bar.fo$0;
256} 256}
257"#, 257"#,
258 DetailAndDocumentation { detail: "-> ()", documentation: " Do the foo" }, 258 DetailAndDocumentation { detail: "fn(&self)", documentation: " Do the foo" },
259 ); 259 );
260 } 260 }
261 261
@@ -273,7 +273,7 @@ fn bar() {
273 for c in fo$0 273 for c in fo$0
274} 274}
275"#, 275"#,
276 DetailAndDocumentation { detail: "-> &str", documentation: "Do the foo" }, 276 DetailAndDocumentation { detail: "fn() -> &str", documentation: "Do the foo" },
277 ); 277 );
278 } 278 }
279} 279}
diff --git a/crates/ide_completion/src/patterns.rs b/crates/ide_completion/src/patterns.rs
index f3ce91dd1..cf5ef07b7 100644
--- a/crates/ide_completion/src/patterns.rs
+++ b/crates/ide_completion/src/patterns.rs
@@ -184,11 +184,7 @@ fn test_has_impl_as_prev_sibling() {
184} 184}
185 185
186pub(crate) fn is_in_loop_body(element: SyntaxElement) -> bool { 186pub(crate) fn is_in_loop_body(element: SyntaxElement) -> bool {
187 let leaf = match element { 187 for node in element.ancestors() {
188 NodeOrToken::Node(node) => node,
189 NodeOrToken::Token(token) => token.parent(),
190 };
191 for node in leaf.ancestors() {
192 if node.kind() == FN || node.kind() == CLOSURE_EXPR { 188 if node.kind() == FN || node.kind() == CLOSURE_EXPR {
193 break; 189 break;
194 } 190 }
@@ -201,7 +197,7 @@ pub(crate) fn is_in_loop_body(element: SyntaxElement) -> bool {
201 } 197 }
202 }; 198 };
203 if let Some(body) = loop_body { 199 if let Some(body) = loop_body {
204 if body.syntax().text_range().contains_range(leaf.text_range()) { 200 if body.syntax().text_range().contains_range(element.text_range()) {
205 return true; 201 return true;
206 } 202 }
207 } 203 }
@@ -235,12 +231,8 @@ fn previous_sibling_or_ancestor_sibling(element: SyntaxElement) -> Option<Syntax
235 Some(sibling) 231 Some(sibling)
236 } else { 232 } else {
237 // if not trying to find first ancestor which has such a sibling 233 // if not trying to find first ancestor which has such a sibling
238 let node = match element { 234 let range = element.text_range();
239 NodeOrToken::Node(node) => node, 235 let top_node = element.ancestors().take_while(|it| it.text_range() == range).last()?;
240 NodeOrToken::Token(token) => token.parent(),
241 };
242 let range = node.text_range();
243 let top_node = node.ancestors().take_while(|it| it.text_range() == range).last()?;
244 let prev_sibling_node = top_node.ancestors().find(|it| { 236 let prev_sibling_node = top_node.ancestors().find(|it| {
245 non_trivia_sibling(NodeOrToken::Node(it.to_owned()), Direction::Prev).is_some() 237 non_trivia_sibling(NodeOrToken::Node(it.to_owned()), Direction::Prev).is_some()
246 })?; 238 })?;
diff --git a/crates/ide_completion/src/render.rs b/crates/ide_completion/src/render.rs
index 2514dda7c..4e4923e0d 100644
--- a/crates/ide_completion/src/render.rs
+++ b/crates/ide_completion/src/render.rs
@@ -10,10 +10,8 @@ pub(crate) mod type_alias;
10 10
11mod builder_ext; 11mod builder_ext;
12 12
13use base_db::Upcast;
14use hir::{ 13use hir::{
15 db::HirDatabase, AsAssocItem, Documentation, HasAttrs, HirDisplay, ModuleDef, Mutability, 14 AsAssocItem, Documentation, HasAttrs, HirDisplay, ModuleDef, Mutability, ScopeDef, Type,
16 ScopeDef, Type,
17}; 15};
18use ide_db::{ 16use ide_db::{
19 helpers::{item_name, SnippetCap}, 17 helpers::{item_name, SnippetCap},
@@ -22,8 +20,8 @@ use ide_db::{
22use syntax::TextRange; 20use syntax::TextRange;
23 21
24use crate::{ 22use crate::{
25 item::{CompletionRelevance, ImportEdit}, 23 item::ImportEdit, CompletionContext, CompletionItem, CompletionItemKind, CompletionKind,
26 CompletionContext, CompletionItem, CompletionItemKind, CompletionKind, 24 CompletionRelevance,
27}; 25};
28 26
29use crate::render::{enum_variant::render_variant, function::render_fn, macro_::render_macro}; 27use crate::render::{enum_variant::render_variant, function::render_fn, macro_::render_macro};
@@ -144,7 +142,15 @@ impl<'a> Render<'a> {
144 .set_documentation(field.docs(self.ctx.db())) 142 .set_documentation(field.docs(self.ctx.db()))
145 .set_deprecated(is_deprecated); 143 .set_deprecated(is_deprecated);
146 144
147 item.set_relevance(compute_relevance(&self.ctx, &ty, &name.to_string())); 145 item.set_relevance(CompletionRelevance {
146 exact_type_match: compute_exact_type_match(self.ctx.completion, ty),
147 exact_name_match: compute_exact_name_match(self.ctx.completion, name.to_string()),
148 ..CompletionRelevance::default()
149 });
150
151 if let Some(ref_match) = compute_ref_match(self.ctx.completion, ty) {
152 item.ref_match(ref_match);
153 }
148 154
149 item.build() 155 item.build()
150 } 156 }
@@ -234,31 +240,18 @@ impl<'a> Render<'a> {
234 if !ty.is_unknown() { 240 if !ty.is_unknown() {
235 item.detail(ty.display(self.ctx.db()).to_string()); 241 item.detail(ty.display(self.ctx.db()).to_string());
236 } 242 }
237 };
238 243
239 if let ScopeDef::Local(local) = resolution { 244 item.set_relevance(CompletionRelevance {
240 let ty = local.ty(self.ctx.db()); 245 exact_type_match: compute_exact_type_match(self.ctx.completion, &ty),
246 exact_name_match: compute_exact_name_match(self.ctx.completion, local_name.clone()),
247 is_local: true,
248 ..CompletionRelevance::default()
249 });
241 250
242 let mut relevance = compute_relevance(&self.ctx, &ty, &local_name); 251 if let Some(ref_match) = compute_ref_match(self.ctx.completion, &ty) {
243 relevance.is_local = true; 252 item.ref_match(ref_match);
244 item.set_relevance(relevance);
245
246 if let Some(expected_type) = self.ctx.completion.expected_type.as_ref() {
247 if &ty != expected_type {
248 if let Some(ty_without_ref) = expected_type.remove_ref() {
249 if relevance_type_match(self.ctx.db().upcast(), &ty, &ty_without_ref) {
250 cov_mark::hit!(suggest_ref);
251 let mutability = if expected_type.is_mutable_reference() {
252 Mutability::Mut
253 } else {
254 Mutability::Shared
255 };
256 item.ref_match(mutability);
257 }
258 }
259 }
260 } 253 }
261 } 254 };
262 255
263 // Add `<>` for generic types 256 // Add `<>` for generic types
264 if self.ctx.completion.is_path_type 257 if self.ctx.completion.is_path_type
@@ -313,17 +306,38 @@ impl<'a> Render<'a> {
313 } 306 }
314} 307}
315 308
316fn compute_relevance(ctx: &RenderContext, ty: &Type, name: &str) -> CompletionRelevance { 309fn compute_exact_type_match(ctx: &CompletionContext, completion_ty: &hir::Type) -> bool {
317 let mut res = CompletionRelevance::default(); 310 match ctx.expected_type.as_ref() {
311 Some(expected_type) => {
312 // We don't ever consider unit type to be an exact type match, since
313 // nearly always this is not meaningful to the user.
314 completion_ty == expected_type && !expected_type.is_unit()
315 }
316 None => false,
317 }
318}
318 319
319 res.exact_type_match = Some(ty) == ctx.completion.expected_type.as_ref(); 320fn compute_exact_name_match(ctx: &CompletionContext, completion_name: impl Into<String>) -> bool {
320 res.exact_name_match = Some(name) == ctx.completion.expected_name.as_deref(); 321 let completion_name = completion_name.into();
321 322
322 res 323 Some(&completion_name) == ctx.expected_name.as_ref()
323} 324}
324 325
325fn relevance_type_match(db: &dyn HirDatabase, ty: &Type, expected_type: &Type) -> bool { 326fn compute_ref_match(ctx: &CompletionContext, completion_ty: &hir::Type) -> Option<Mutability> {
326 ty == expected_type || ty.autoderef(db).any(|deref_ty| &deref_ty == expected_type) 327 let expected_type = ctx.expected_type.as_ref()?;
328 if completion_ty != expected_type {
329 let expected_type_without_ref = expected_type.remove_ref()?;
330 if completion_ty.autoderef(ctx.db).any(|deref_ty| deref_ty == expected_type_without_ref) {
331 cov_mark::hit!(suggest_ref);
332 let mutability = if expected_type.is_mutable_reference() {
333 Mutability::Mut
334 } else {
335 Mutability::Shared
336 };
337 return Some(mutability);
338 };
339 }
340 None
327} 341}
328 342
329#[cfg(test)] 343#[cfg(test)]
@@ -432,6 +446,44 @@ fn main() { Foo::Fo$0 }
432 } 446 }
433 447
434 #[test] 448 #[test]
449 fn fn_detail_includes_args_and_return_type() {
450 check(
451 r#"
452fn foo<T>(a: u32, b: u32, t: T) -> (u32, T) { (a, t) }
453
454fn main() { fo$0 }
455"#,
456 expect![[r#"
457 [
458 CompletionItem {
459 label: "foo(…)",
460 source_range: 68..70,
461 delete: 68..70,
462 insert: "foo(${1:a}, ${2:b}, ${3:t})$0",
463 kind: SymbolKind(
464 Function,
465 ),
466 lookup: "foo",
467 detail: "fn(u32, u32, T) -> (u32, T)",
468 trigger_call_info: true,
469 },
470 CompletionItem {
471 label: "main()",
472 source_range: 68..70,
473 delete: 68..70,
474 insert: "main()$0",
475 kind: SymbolKind(
476 Function,
477 ),
478 lookup: "main",
479 detail: "fn()",
480 },
481 ]
482 "#]],
483 );
484 }
485
486 #[test]
435 fn enum_detail_just_parentheses_for_unit() { 487 fn enum_detail_just_parentheses_for_unit() {
436 check( 488 check(
437 r#" 489 r#"
@@ -477,6 +529,11 @@ fn main() { let _: m::Spam = S$0 }
477 ), 529 ),
478 lookup: "Spam::Bar", 530 lookup: "Spam::Bar",
479 detail: "(i32)", 531 detail: "(i32)",
532 relevance: CompletionRelevance {
533 exact_name_match: false,
534 exact_type_match: true,
535 is_local: false,
536 },
480 trigger_call_info: true, 537 trigger_call_info: true,
481 }, 538 },
482 CompletionItem { 539 CompletionItem {
@@ -498,6 +555,11 @@ fn main() { let _: m::Spam = S$0 }
498 ), 555 ),
499 lookup: "Spam::Foo", 556 lookup: "Spam::Foo",
500 detail: "()", 557 detail: "()",
558 relevance: CompletionRelevance {
559 exact_name_match: false,
560 exact_type_match: true,
561 is_local: false,
562 },
501 }, 563 },
502 CompletionItem { 564 CompletionItem {
503 label: "main()", 565 label: "main()",
@@ -508,7 +570,7 @@ fn main() { let _: m::Spam = S$0 }
508 Function, 570 Function,
509 ), 571 ),
510 lookup: "main", 572 lookup: "main",
511 detail: "-> ()", 573 detail: "fn()",
512 }, 574 },
513 ] 575 ]
514 "#]], 576 "#]],
@@ -537,7 +599,7 @@ fn main() { som$0 }
537 Function, 599 Function,
538 ), 600 ),
539 lookup: "main", 601 lookup: "main",
540 detail: "-> ()", 602 detail: "fn()",
541 }, 603 },
542 CompletionItem { 604 CompletionItem {
543 label: "something_deprecated()", 605 label: "something_deprecated()",
@@ -548,7 +610,7 @@ fn main() { som$0 }
548 Function, 610 Function,
549 ), 611 ),
550 lookup: "something_deprecated", 612 lookup: "something_deprecated",
551 detail: "-> ()", 613 detail: "fn()",
552 deprecated: true, 614 deprecated: true,
553 }, 615 },
554 CompletionItem { 616 CompletionItem {
@@ -560,7 +622,7 @@ fn main() { som$0 }
560 Function, 622 Function,
561 ), 623 ),
562 lookup: "something_else_deprecated", 624 lookup: "something_else_deprecated",
563 detail: "-> ()", 625 detail: "fn()",
564 deprecated: true, 626 deprecated: true,
565 }, 627 },
566 ] 628 ]
@@ -611,7 +673,7 @@ impl S {
611 insert: "bar()$0", 673 insert: "bar()$0",
612 kind: Method, 674 kind: Method,
613 lookup: "bar", 675 lookup: "bar",
614 detail: "-> ()", 676 detail: "fn(self)",
615 documentation: Documentation( 677 documentation: Documentation(
616 "Method docs", 678 "Method docs",
617 ), 679 ),
@@ -711,7 +773,7 @@ fn foo(s: S) { s.$0 }
711 insert: "the_method()$0", 773 insert: "the_method()$0",
712 kind: Method, 774 kind: Method,
713 lookup: "the_method", 775 lookup: "the_method",
714 detail: "-> ()", 776 detail: "fn(&self)",
715 }, 777 },
716 ] 778 ]
717 "#]], 779 "#]],
@@ -1019,7 +1081,7 @@ fn main() {
1019 Function, 1081 Function,
1020 ), 1082 ),
1021 lookup: "foo", 1083 lookup: "foo",
1022 detail: "-> ()", 1084 detail: "fn(&mut S)",
1023 trigger_call_info: true, 1085 trigger_call_info: true,
1024 }, 1086 },
1025 CompletionItem { 1087 CompletionItem {
@@ -1031,7 +1093,7 @@ fn main() {
1031 Function, 1093 Function,
1032 ), 1094 ),
1033 lookup: "main", 1095 lookup: "main",
1034 detail: "-> ()", 1096 detail: "fn()",
1035 }, 1097 },
1036 CompletionItem { 1098 CompletionItem {
1037 label: "s", 1099 label: "s",
@@ -1169,4 +1231,86 @@ fn foo(bar: u32) {
1169 "#]], 1231 "#]],
1170 ); 1232 );
1171 } 1233 }
1234
1235 #[test]
1236 fn enum_owned() {
1237 check_relevance(
1238 r#"
1239enum Foo { A, B }
1240fn foo() {
1241 bar($0);
1242}
1243fn bar(t: Foo) {}
1244"#,
1245 expect![[r#"
1246 ev Foo::A [type]
1247 ev Foo::B [type]
1248 en Foo []
1249 fn bar(…) []
1250 fn foo() []
1251 "#]],
1252 );
1253 }
1254
1255 #[test]
1256 fn enum_ref() {
1257 check_relevance(
1258 r#"
1259enum Foo { A, B }
1260fn foo() {
1261 bar($0);
1262}
1263fn bar(t: &Foo) {}
1264"#,
1265 expect![[r#"
1266 ev Foo::A []
1267 ev &Foo::A [type]
1268 ev Foo::B []
1269 ev &Foo::B [type]
1270 en Foo []
1271 fn bar(…) []
1272 fn foo() []
1273 "#]],
1274 );
1275 }
1276
1277 #[test]
1278 fn suggest_deref_fn_ret() {
1279 check_relevance(
1280 r#"
1281#[lang = "deref"]
1282trait Deref {
1283 type Target;
1284 fn deref(&self) -> &Self::Target;
1285}
1286
1287struct S;
1288struct T(S);
1289
1290impl Deref for T {
1291 type Target = S;
1292
1293 fn deref(&self) -> &Self::Target {
1294 &self.0
1295 }
1296}
1297
1298fn foo(s: &S) {}
1299fn bar() -> T {}
1300
1301fn main() {
1302 foo($0);
1303}
1304 "#,
1305 expect![[r#"
1306 tt Deref []
1307 fn bar() []
1308 fn &bar() [type]
1309 fn foo(…) []
1310 st T []
1311 st S []
1312 fn main() []
1313 "#]],
1314 )
1315 }
1172} 1316}
diff --git a/crates/ide_completion/src/render/enum_variant.rs b/crates/ide_completion/src/render/enum_variant.rs
index e8cfcc0c7..374247b05 100644
--- a/crates/ide_completion/src/render/enum_variant.rs
+++ b/crates/ide_completion/src/render/enum_variant.rs
@@ -6,7 +6,8 @@ use itertools::Itertools;
6 6
7use crate::{ 7use crate::{
8 item::{CompletionItem, CompletionKind, ImportEdit}, 8 item::{CompletionItem, CompletionKind, ImportEdit},
9 render::{builder_ext::Params, RenderContext}, 9 render::{builder_ext::Params, compute_exact_type_match, compute_ref_match, RenderContext},
10 CompletionRelevance,
10}; 11};
11 12
12pub(crate) fn render_variant<'a>( 13pub(crate) fn render_variant<'a>(
@@ -74,6 +75,16 @@ impl<'a> EnumRender<'a> {
74 item.lookup_by(self.short_qualified_name); 75 item.lookup_by(self.short_qualified_name);
75 } 76 }
76 77
78 let ty = self.variant.parent_enum(self.ctx.completion.db).ty(self.ctx.completion.db);
79 item.set_relevance(CompletionRelevance {
80 exact_type_match: compute_exact_type_match(self.ctx.completion, &ty),
81 ..CompletionRelevance::default()
82 });
83
84 if let Some(ref_match) = compute_ref_match(self.ctx.completion, &ty) {
85 item.ref_match(ref_match);
86 }
87
77 item.build() 88 item.build()
78 } 89 }
79 90
diff --git a/crates/ide_completion/src/render/function.rs b/crates/ide_completion/src/render/function.rs
index 47e26a5d8..010303182 100644
--- a/crates/ide_completion/src/render/function.rs
+++ b/crates/ide_completion/src/render/function.rs
@@ -2,11 +2,15 @@
2 2
3use hir::{HasSource, HirDisplay, Type}; 3use hir::{HasSource, HirDisplay, Type};
4use ide_db::SymbolKind; 4use ide_db::SymbolKind;
5use itertools::Itertools;
5use syntax::ast::Fn; 6use syntax::ast::Fn;
6 7
7use crate::{ 8use crate::{
8 item::{CompletionItem, CompletionItemKind, CompletionKind, CompletionRelevance, ImportEdit}, 9 item::{CompletionItem, CompletionItemKind, CompletionKind, CompletionRelevance, ImportEdit},
9 render::{builder_ext::Params, RenderContext}, 10 render::{
11 builder_ext::Params, compute_exact_name_match, compute_exact_type_match, compute_ref_match,
12 RenderContext,
13 },
10}; 14};
11 15
12pub(crate) fn render_fn<'a>( 16pub(crate) fn render_fn<'a>(
@@ -52,30 +56,60 @@ impl<'a> FunctionRender<'a> {
52 self.ctx.is_deprecated(self.func) || self.ctx.is_deprecated_assoc_item(self.func), 56 self.ctx.is_deprecated(self.func) || self.ctx.is_deprecated_assoc_item(self.func),
53 ) 57 )
54 .detail(self.detail()) 58 .detail(self.detail())
55 .add_call_parens(self.ctx.completion, self.name, params) 59 .add_call_parens(self.ctx.completion, self.name.clone(), params)
56 .add_import(import_to_add); 60 .add_import(import_to_add);
57 61
58 let mut relevance = CompletionRelevance::default(); 62 let ret_type = self.func.ret_type(self.ctx.db());
59 if let Some(expected_type) = &self.ctx.completion.expected_type { 63 item.set_relevance(CompletionRelevance {
60 let ret_ty = self.func.ret_type(self.ctx.db()); 64 exact_type_match: compute_exact_type_match(self.ctx.completion, &ret_type),
65 exact_name_match: compute_exact_name_match(self.ctx.completion, self.name.clone()),
66 ..CompletionRelevance::default()
67 });
61 68
62 // We don't ever consider a function which returns unit type to be an 69 if let Some(ref_match) = compute_ref_match(self.ctx.completion, &ret_type) {
63 // exact type match, since nearly always this is not meaningful to the 70 item.ref_match(ref_match);
64 // user.
65 relevance.exact_type_match = &ret_ty == expected_type && !ret_ty.is_unit();
66 } 71 }
67 if let Some(expected_name) = &self.ctx.completion.expected_name {
68 relevance.exact_name_match =
69 expected_name == &self.func.name(self.ctx.db()).to_string();
70 }
71 item.set_relevance(relevance);
72 72
73 item.build() 73 item.build()
74 } 74 }
75 75
76 fn detail(&self) -> String { 76 fn detail(&self) -> String {
77 let ty = self.func.ret_type(self.ctx.db()); 77 let ret_ty = self.func.ret_type(self.ctx.db());
78 format!("-> {}", ty.display(self.ctx.db())) 78 let ret = if ret_ty.is_unit() {
79 // Omit the return type if it is the unit type
80 String::new()
81 } else {
82 format!(" {}", self.ty_display())
83 };
84
85 format!("fn({}){}", self.params_display(), ret)
86 }
87
88 fn params_display(&self) -> String {
89 if let Some(self_param) = self.func.self_param(self.ctx.db()) {
90 let params = self
91 .func
92 .assoc_fn_params(self.ctx.db())
93 .into_iter()
94 .skip(1) // skip the self param because we are manually handling that
95 .map(|p| p.ty().display(self.ctx.db()).to_string());
96
97 std::iter::once(self_param.display(self.ctx.db()).to_owned()).chain(params).join(", ")
98 } else {
99 let params = self
100 .func
101 .assoc_fn_params(self.ctx.db())
102 .into_iter()
103 .map(|p| p.ty().display(self.ctx.db()).to_string())
104 .join(", ");
105 params
106 }
107 }
108
109 fn ty_display(&self) -> String {
110 let ret_ty = self.func.ret_type(self.ctx.db());
111
112 format!("-> {}", ret_ty.display(self.ctx.db()))
79 } 113 }
80 114
81 fn add_arg(&self, arg: &str, ty: &Type) -> String { 115 fn add_arg(&self, arg: &str, ty: &Type) -> String {
diff --git a/crates/ide_completion/src/render/pattern.rs b/crates/ide_completion/src/render/pattern.rs
index ca2926125..b4e80f424 100644
--- a/crates/ide_completion/src/render/pattern.rs
+++ b/crates/ide_completion/src/render/pattern.rs
@@ -6,24 +6,6 @@ use itertools::Itertools;
6 6
7use crate::{item::CompletionKind, render::RenderContext, CompletionItem, CompletionItemKind}; 7use crate::{item::CompletionKind, render::RenderContext, CompletionItem, CompletionItemKind};
8 8
9fn visible_fields(
10 ctx: &RenderContext<'_>,
11 fields: &[hir::Field],
12 item: impl HasAttrs,
13) -> Option<(Vec<hir::Field>, bool)> {
14 let module = ctx.completion.scope.module()?;
15 let n_fields = fields.len();
16 let fields = fields
17 .into_iter()
18 .filter(|field| field.is_visible_from(ctx.db(), module))
19 .copied()
20 .collect::<Vec<_>>();
21
22 let fields_omitted =
23 n_fields - fields.len() > 0 || item.attrs(ctx.db()).by_key("non_exhaustive").exists();
24 Some((fields, fields_omitted))
25}
26
27pub(crate) fn render_struct_pat( 9pub(crate) fn render_struct_pat(
28 ctx: RenderContext<'_>, 10 ctx: RenderContext<'_>,
29 strukt: hir::Struct, 11 strukt: hir::Struct,
@@ -148,3 +130,21 @@ fn render_tuple_as_pat(fields: &[hir::Field], name: &str, fields_omitted: bool)
148 name = name 130 name = name
149 ) 131 )
150} 132}
133
134fn visible_fields(
135 ctx: &RenderContext<'_>,
136 fields: &[hir::Field],
137 item: impl HasAttrs,
138) -> Option<(Vec<hir::Field>, bool)> {
139 let module = ctx.completion.scope.module()?;
140 let n_fields = fields.len();
141 let fields = fields
142 .into_iter()
143 .filter(|field| field.is_visible_from(ctx.db(), module))
144 .copied()
145 .collect::<Vec<_>>();
146
147 let fields_omitted =
148 n_fields - fields.len() > 0 || item.attrs(ctx.db()).by_key("non_exhaustive").exists();
149 Some((fields, fields_omitted))
150}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 23:37:44 +0000