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-rw-r--r--crates/assists/src/handlers/auto_import.rs41
-rw-r--r--crates/assists/src/handlers/qualify_path.rs41
-rw-r--r--crates/completion/src/completions/flyimport.rs448
-rw-r--r--crates/completion/src/config.rs2
-rw-r--r--crates/completion/src/item.rs23
-rw-r--r--crates/completion/src/lib.rs11
-rw-r--r--crates/completion/src/render.rs22
-rw-r--r--crates/completion/src/test_utils.rs2
-rw-r--r--crates/hir/src/code_model.rs16
-rw-r--r--crates/hir_def/src/import_map.rs66
-rw-r--r--crates/ide/src/doc_links.rs8
-rw-r--r--crates/ide/src/lib.rs2
-rw-r--r--crates/ide_db/src/helpers/import_assets.rs356
-rw-r--r--crates/ide_db/src/imports_locator.rs76
-rw-r--r--crates/parser/src/grammar/items/traits.rs4
-rw-r--r--crates/rust-analyzer/src/cli/analysis_bench.rs2
-rw-r--r--crates/rust-analyzer/src/config.rs15
-rw-r--r--crates/rust-analyzer/src/handlers.rs5
-rw-r--r--crates/rust-analyzer/src/to_proto.rs2
-rw-r--r--crates/syntax/test_data/parser/inline/ok/0161_impl_def_const.rast24
-rw-r--r--crates/syntax/test_data/parser/inline/ok/0161_impl_def_const.rs1
21 files changed, 882 insertions, 285 deletions
diff --git a/crates/assists/src/handlers/auto_import.rs b/crates/assists/src/handlers/auto_import.rs
index 4e2a4fcd9..e93901cb3 100644
--- a/crates/assists/src/handlers/auto_import.rs
+++ b/crates/assists/src/handlers/auto_import.rs
@@ -3,7 +3,7 @@ use ide_db::helpers::{
3 insert_use::{insert_use, ImportScope}, 3 insert_use::{insert_use, ImportScope},
4 mod_path_to_ast, 4 mod_path_to_ast,
5}; 5};
6use syntax::ast; 6use syntax::{ast, AstNode, SyntaxNode};
7 7
8use crate::{AssistContext, AssistId, AssistKind, Assists, GroupLabel}; 8use crate::{AssistContext, AssistId, AssistKind, Assists, GroupLabel};
9 9
@@ -82,25 +82,16 @@ use crate::{AssistContext, AssistId, AssistKind, Assists, GroupLabel};
82// # pub mod std { pub mod collections { pub struct HashMap { } } } 82// # pub mod std { pub mod collections { pub struct HashMap { } } }
83// ``` 83// ```
84pub(crate) fn auto_import(acc: &mut Assists, ctx: &AssistContext) -> Option<()> { 84pub(crate) fn auto_import(acc: &mut Assists, ctx: &AssistContext) -> Option<()> {
85 let import_assets = 85 let (import_assets, syntax_under_caret) = find_importable_node(ctx)?;
86 if let Some(path_under_caret) = ctx.find_node_at_offset_with_descend::<ast::Path>() { 86 let proposed_imports =
87 ImportAssets::for_regular_path(path_under_caret, &ctx.sema) 87 import_assets.search_for_imports(&ctx.sema, ctx.config.insert_use.prefix_kind);
88 } else if let Some(method_under_caret) =
89 ctx.find_node_at_offset_with_descend::<ast::MethodCallExpr>()
90 {
91 ImportAssets::for_method_call(method_under_caret, &ctx.sema)
92 } else {
93 None
94 }?;
95 let proposed_imports = import_assets.search_for_imports(&ctx.sema, &ctx.config.insert_use);
96 if proposed_imports.is_empty() { 88 if proposed_imports.is_empty() {
97 return None; 89 return None;
98 } 90 }
99 91
100 let range = ctx.sema.original_range(import_assets.syntax_under_caret()).range; 92 let range = ctx.sema.original_range(&syntax_under_caret).range;
101 let group = import_group_message(import_assets.import_candidate()); 93 let group = import_group_message(import_assets.import_candidate());
102 let scope = 94 let scope = ImportScope::find_insert_use_container(&syntax_under_caret, &ctx.sema)?;
103 ImportScope::find_insert_use_container(import_assets.syntax_under_caret(), &ctx.sema)?;
104 for (import, _) in proposed_imports { 95 for (import, _) in proposed_imports {
105 acc.add_group( 96 acc.add_group(
106 &group, 97 &group,
@@ -117,14 +108,28 @@ pub(crate) fn auto_import(acc: &mut Assists, ctx: &AssistContext) -> Option<()>
117 Some(()) 108 Some(())
118} 109}
119 110
111pub(super) fn find_importable_node(ctx: &AssistContext) -> Option<(ImportAssets, SyntaxNode)> {
112 if let Some(path_under_caret) = ctx.find_node_at_offset_with_descend::<ast::Path>() {
113 ImportAssets::for_exact_path(&path_under_caret, &ctx.sema)
114 .zip(Some(path_under_caret.syntax().clone()))
115 } else if let Some(method_under_caret) =
116 ctx.find_node_at_offset_with_descend::<ast::MethodCallExpr>()
117 {
118 ImportAssets::for_method_call(&method_under_caret, &ctx.sema)
119 .zip(Some(method_under_caret.syntax().clone()))
120 } else {
121 None
122 }
123}
124
120fn import_group_message(import_candidate: &ImportCandidate) -> GroupLabel { 125fn import_group_message(import_candidate: &ImportCandidate) -> GroupLabel {
121 let name = match import_candidate { 126 let name = match import_candidate {
122 ImportCandidate::Path(candidate) => format!("Import {}", &candidate.name), 127 ImportCandidate::Path(candidate) => format!("Import {}", candidate.name.text()),
123 ImportCandidate::TraitAssocItem(candidate) => { 128 ImportCandidate::TraitAssocItem(candidate) => {
124 format!("Import a trait for item {}", &candidate.name) 129 format!("Import a trait for item {}", candidate.name.text())
125 } 130 }
126 ImportCandidate::TraitMethod(candidate) => { 131 ImportCandidate::TraitMethod(candidate) => {
127 format!("Import a trait for method {}", &candidate.name) 132 format!("Import a trait for method {}", candidate.name.text())
128 } 133 }
129 }; 134 };
130 GroupLabel(name) 135 GroupLabel(name)
diff --git a/crates/assists/src/handlers/qualify_path.rs b/crates/assists/src/handlers/qualify_path.rs
index a7d9fd4dc..af8a11d03 100644
--- a/crates/assists/src/handlers/qualify_path.rs
+++ b/crates/assists/src/handlers/qualify_path.rs
@@ -1,10 +1,7 @@
1use std::iter; 1use std::iter;
2 2
3use hir::AsName; 3use hir::AsName;
4use ide_db::helpers::{ 4use ide_db::helpers::{import_assets::ImportCandidate, mod_path_to_ast};
5 import_assets::{ImportAssets, ImportCandidate},
6 mod_path_to_ast,
7};
8use ide_db::RootDatabase; 5use ide_db::RootDatabase;
9use syntax::{ 6use syntax::{
10 ast, 7 ast,
@@ -18,6 +15,8 @@ use crate::{
18 AssistId, AssistKind, GroupLabel, 15 AssistId, AssistKind, GroupLabel,
19}; 16};
20 17
18use super::auto_import::find_importable_node;
19
21// Assist: qualify_path 20// Assist: qualify_path
22// 21//
23// If the name is unresolved, provides all possible qualified paths for it. 22// If the name is unresolved, provides all possible qualified paths for it.
@@ -36,47 +35,38 @@ use crate::{
36// # pub mod std { pub mod collections { pub struct HashMap { } } } 35// # pub mod std { pub mod collections { pub struct HashMap { } } }
37// ``` 36// ```
38pub(crate) fn qualify_path(acc: &mut Assists, ctx: &AssistContext) -> Option<()> { 37pub(crate) fn qualify_path(acc: &mut Assists, ctx: &AssistContext) -> Option<()> {
39 let import_assets = 38 let (import_assets, syntax_under_caret) = find_importable_node(ctx)?;
40 if let Some(path_under_caret) = ctx.find_node_at_offset_with_descend::<ast::Path>() {
41 ImportAssets::for_regular_path(path_under_caret, &ctx.sema)
42 } else if let Some(method_under_caret) =
43 ctx.find_node_at_offset_with_descend::<ast::MethodCallExpr>()
44 {
45 ImportAssets::for_method_call(method_under_caret, &ctx.sema)
46 } else {
47 None
48 }?;
49 let proposed_imports = import_assets.search_for_relative_paths(&ctx.sema); 39 let proposed_imports = import_assets.search_for_relative_paths(&ctx.sema);
50 if proposed_imports.is_empty() { 40 if proposed_imports.is_empty() {
51 return None; 41 return None;
52 } 42 }
53 43
54 let candidate = import_assets.import_candidate(); 44 let candidate = import_assets.import_candidate();
55 let range = ctx.sema.original_range(import_assets.syntax_under_caret()).range; 45 let range = ctx.sema.original_range(&syntax_under_caret).range;
56 46
57 let qualify_candidate = match candidate { 47 let qualify_candidate = match candidate {
58 ImportCandidate::Path(candidate) => { 48 ImportCandidate::Path(candidate) => {
59 if candidate.qualifier.is_some() { 49 if candidate.qualifier.is_some() {
60 mark::hit!(qualify_path_qualifier_start); 50 mark::hit!(qualify_path_qualifier_start);
61 let path = ast::Path::cast(import_assets.syntax_under_caret().clone())?; 51 let path = ast::Path::cast(syntax_under_caret)?;
62 let (prev_segment, segment) = (path.qualifier()?.segment()?, path.segment()?); 52 let (prev_segment, segment) = (path.qualifier()?.segment()?, path.segment()?);
63 QualifyCandidate::QualifierStart(segment, prev_segment.generic_arg_list()) 53 QualifyCandidate::QualifierStart(segment, prev_segment.generic_arg_list())
64 } else { 54 } else {
65 mark::hit!(qualify_path_unqualified_name); 55 mark::hit!(qualify_path_unqualified_name);
66 let path = ast::Path::cast(import_assets.syntax_under_caret().clone())?; 56 let path = ast::Path::cast(syntax_under_caret)?;
67 let generics = path.segment()?.generic_arg_list(); 57 let generics = path.segment()?.generic_arg_list();
68 QualifyCandidate::UnqualifiedName(generics) 58 QualifyCandidate::UnqualifiedName(generics)
69 } 59 }
70 } 60 }
71 ImportCandidate::TraitAssocItem(_) => { 61 ImportCandidate::TraitAssocItem(_) => {
72 mark::hit!(qualify_path_trait_assoc_item); 62 mark::hit!(qualify_path_trait_assoc_item);
73 let path = ast::Path::cast(import_assets.syntax_under_caret().clone())?; 63 let path = ast::Path::cast(syntax_under_caret)?;
74 let (qualifier, segment) = (path.qualifier()?, path.segment()?); 64 let (qualifier, segment) = (path.qualifier()?, path.segment()?);
75 QualifyCandidate::TraitAssocItem(qualifier, segment) 65 QualifyCandidate::TraitAssocItem(qualifier, segment)
76 } 66 }
77 ImportCandidate::TraitMethod(_) => { 67 ImportCandidate::TraitMethod(_) => {
78 mark::hit!(qualify_path_trait_method); 68 mark::hit!(qualify_path_trait_method);
79 let mcall_expr = ast::MethodCallExpr::cast(import_assets.syntax_under_caret().clone())?; 69 let mcall_expr = ast::MethodCallExpr::cast(syntax_under_caret)?;
80 QualifyCandidate::TraitMethod(ctx.sema.db, mcall_expr) 70 QualifyCandidate::TraitMethod(ctx.sema.db, mcall_expr)
81 } 71 }
82 }; 72 };
@@ -140,7 +130,7 @@ impl QualifyCandidate<'_> {
140 let generics = 130 let generics =
141 mcall_expr.generic_arg_list().as_ref().map_or_else(String::new, ToString::to_string); 131 mcall_expr.generic_arg_list().as_ref().map_or_else(String::new, ToString::to_string);
142 let arg_list = mcall_expr.arg_list().map(|arg_list| arg_list.args()); 132 let arg_list = mcall_expr.arg_list().map(|arg_list| arg_list.args());
143 let trait_ = item_as_trait(item)?; 133 let trait_ = item_as_trait(db, item)?;
144 let method = find_trait_method(db, trait_, &trait_method_name)?; 134 let method = find_trait_method(db, trait_, &trait_method_name)?;
145 if let Some(self_access) = method.self_param(db).map(|sp| sp.access(db)) { 135 if let Some(self_access) = method.self_param(db).map(|sp| sp.access(db)) {
146 let receiver = match self_access { 136 let receiver = match self_access {
@@ -179,11 +169,13 @@ fn find_trait_method(
179 } 169 }
180} 170}
181 171
182fn item_as_trait(item: hir::ItemInNs) -> Option<hir::Trait> { 172fn item_as_trait(db: &RootDatabase, item: hir::ItemInNs) -> Option<hir::Trait> {
183 if let hir::ModuleDef::Trait(trait_) = hir::ModuleDef::from(item.as_module_def_id()?) { 173 let item_module_def = hir::ModuleDef::from(item.as_module_def_id()?);
174
175 if let hir::ModuleDef::Trait(trait_) = item_module_def {
184 Some(trait_) 176 Some(trait_)
185 } else { 177 } else {
186 None 178 item_module_def.as_assoc_item(db)?.containing_trait(db)
187 } 179 }
188} 180}
189 181
@@ -191,7 +183,8 @@ fn group_label(candidate: &ImportCandidate) -> GroupLabel {
191 let name = match candidate { 183 let name = match candidate {
192 ImportCandidate::Path(it) => &it.name, 184 ImportCandidate::Path(it) => &it.name,
193 ImportCandidate::TraitAssocItem(it) | ImportCandidate::TraitMethod(it) => &it.name, 185 ImportCandidate::TraitAssocItem(it) | ImportCandidate::TraitMethod(it) => &it.name,
194 }; 186 }
187 .text();
195 GroupLabel(format!("Qualify {}", name)) 188 GroupLabel(format!("Qualify {}", name))
196} 189}
197 190
diff --git a/crates/completion/src/completions/flyimport.rs b/crates/completion/src/completions/flyimport.rs
index 222809638..47e797ac8 100644
--- a/crates/completion/src/completions/flyimport.rs
+++ b/crates/completion/src/completions/flyimport.rs
@@ -20,11 +20,14 @@
20//! # pub mod std { pub mod marker { pub struct PhantomData { } } } 20//! # pub mod std { pub mod marker { pub struct PhantomData { } } }
21//! ``` 21//! ```
22//! 22//!
23//! Also completes associated items, that require trait imports.
24//!
23//! .Fuzzy search details 25//! .Fuzzy search details
24//! 26//!
25//! To avoid an excessive amount of the results returned, completion input is checked for inclusion in the names only 27//! To avoid an excessive amount of the results returned, completion input is checked for inclusion in the names only
26//! (i.e. in `HashMap` in the `std::collections::HashMap` path). 28//! (i.e. in `HashMap` in the `std::collections::HashMap` path).
27//! For the same reasons, avoids searching for any imports for inputs with their length less that 2 symbols. 29//! For the same reasons, avoids searching for any path imports for inputs with their length less that 2 symbols
30//! (but shows all associated items for any input length).
28//! 31//!
29//! .Import configuration 32//! .Import configuration
30//! 33//!
@@ -45,10 +48,12 @@
45//! Note that having this flag set to `true` does not guarantee that the feature is enabled: your client needs to have the corredponding 48//! Note that having this flag set to `true` does not guarantee that the feature is enabled: your client needs to have the corredponding
46//! capability enabled. 49//! capability enabled.
47 50
48use either::Either;
49use hir::{ModPath, ScopeDef}; 51use hir::{ModPath, ScopeDef};
50use ide_db::{helpers::insert_use::ImportScope, imports_locator}; 52use ide_db::helpers::{
51use syntax::AstNode; 53 import_assets::{ImportAssets, ImportCandidate},
54 insert_use::ImportScope,
55};
56use syntax::{AstNode, SyntaxNode, T};
52use test_utils::mark; 57use test_utils::mark;
53 58
54use crate::{ 59use crate::{
@@ -60,58 +65,108 @@ use crate::{
60use super::Completions; 65use super::Completions;
61 66
62pub(crate) fn import_on_the_fly(acc: &mut Completions, ctx: &CompletionContext) -> Option<()> { 67pub(crate) fn import_on_the_fly(acc: &mut Completions, ctx: &CompletionContext) -> Option<()> {
63 if !ctx.config.enable_autoimport_completions { 68 if !ctx.config.enable_imports_on_the_fly {
64 return None; 69 return None;
65 } 70 }
66 if ctx.attribute_under_caret.is_some() || ctx.mod_declaration_under_caret.is_some() { 71 if ctx.attribute_under_caret.is_some() || ctx.mod_declaration_under_caret.is_some() {
67 return None; 72 return None;
68 } 73 }
69 let potential_import_name = ctx.token.to_string(); 74 let potential_import_name = {
70 if potential_import_name.len() < 2 { 75 let token_kind = ctx.token.kind();
71 return None; 76 if matches!(token_kind, T![.] | T![::]) {
72 } 77 String::new()
73 let _p = profile::span("import_on_the_fly").detail(|| potential_import_name.to_string()); 78 } else {
79 ctx.token.to_string()
80 }
81 };
74 82
75 let current_module = ctx.scope.module()?; 83 let _p = profile::span("import_on_the_fly").detail(|| potential_import_name.to_string());
76 let anchor = ctx.name_ref_syntax.as_ref()?;
77 let import_scope = ImportScope::find_insert_use_container(anchor.syntax(), &ctx.sema)?;
78 84
79 let user_input_lowercased = potential_import_name.to_lowercase(); 85 let user_input_lowercased = potential_import_name.to_lowercase();
80 let mut all_mod_paths = imports_locator::find_similar_imports( 86 let import_assets = import_assets(ctx, potential_import_name)?;
87 let import_scope = ImportScope::find_insert_use_container(
88 position_for_import(ctx, Some(import_assets.import_candidate()))?,
81 &ctx.sema, 89 &ctx.sema,
82 ctx.krate?, 90 )?;
83 Some(40), 91 let mut all_mod_paths = import_assets
84 potential_import_name, 92 .search_for_relative_paths(&ctx.sema)
85 true, 93 .into_iter()
86 true, 94 .map(|(mod_path, item_in_ns)| {
87 ) 95 let scope_item = match item_in_ns {
88 .filter_map(|import_candidate| { 96 hir::ItemInNs::Types(id) => ScopeDef::ModuleDef(id.into()),
89 Some(match import_candidate { 97 hir::ItemInNs::Values(id) => ScopeDef::ModuleDef(id.into()),
90 Either::Left(module_def) => { 98 hir::ItemInNs::Macros(id) => ScopeDef::MacroDef(id.into()),
91 (current_module.find_use_path(ctx.db, module_def)?, ScopeDef::ModuleDef(module_def)) 99 };
92 } 100 (mod_path, scope_item)
93 Either::Right(macro_def) => {
94 (current_module.find_use_path(ctx.db, macro_def)?, ScopeDef::MacroDef(macro_def))
95 }
96 }) 101 })
97 }) 102 .collect::<Vec<_>>();
98 .filter(|(mod_path, _)| mod_path.len() > 1)
99 .collect::<Vec<_>>();
100
101 all_mod_paths.sort_by_cached_key(|(mod_path, _)| { 103 all_mod_paths.sort_by_cached_key(|(mod_path, _)| {
102 compute_fuzzy_completion_order_key(mod_path, &user_input_lowercased) 104 compute_fuzzy_completion_order_key(mod_path, &user_input_lowercased)
103 }); 105 });
104 106
105 acc.add_all(all_mod_paths.into_iter().filter_map(|(import_path, definition)| { 107 acc.add_all(all_mod_paths.into_iter().filter_map(|(import_path, definition)| {
106 render_resolution_with_import( 108 let import_for_trait_assoc_item = match definition {
107 RenderContext::new(ctx), 109 ScopeDef::ModuleDef(module_def) => module_def
108 ImportEdit { import_path, import_scope: import_scope.clone() }, 110 .as_assoc_item(ctx.db)
109 &definition, 111 .and_then(|assoc| assoc.containing_trait(ctx.db))
110 ) 112 .is_some(),
113 _ => false,
114 };
115 let import_edit = ImportEdit {
116 import_path,
117 import_scope: import_scope.clone(),
118 import_for_trait_assoc_item,
119 };
120 render_resolution_with_import(RenderContext::new(ctx), import_edit, &definition)
111 })); 121 }));
112 Some(()) 122 Some(())
113} 123}
114 124
125pub(crate) fn position_for_import<'a>(
126 ctx: &'a CompletionContext,
127 import_candidate: Option<&ImportCandidate>,
128) -> Option<&'a SyntaxNode> {
129 Some(match import_candidate {
130 Some(ImportCandidate::Path(_)) => ctx.name_ref_syntax.as_ref()?.syntax(),
131 Some(ImportCandidate::TraitAssocItem(_)) => ctx.path_qual.as_ref()?.syntax(),
132 Some(ImportCandidate::TraitMethod(_)) => ctx.dot_receiver.as_ref()?.syntax(),
133 None => ctx
134 .name_ref_syntax
135 .as_ref()
136 .map(|name_ref| name_ref.syntax())
137 .or_else(|| ctx.path_qual.as_ref().map(|path| path.syntax()))
138 .or_else(|| ctx.dot_receiver.as_ref().map(|expr| expr.syntax()))?,
139 })
140}
141
142fn import_assets(ctx: &CompletionContext, fuzzy_name: String) -> Option<ImportAssets> {
143 let current_module = ctx.scope.module()?;
144 if let Some(dot_receiver) = &ctx.dot_receiver {
145 ImportAssets::for_fuzzy_method_call(
146 current_module,
147 ctx.sema.type_of_expr(dot_receiver)?,
148 fuzzy_name,
149 )
150 } else {
151 let fuzzy_name_length = fuzzy_name.len();
152 let assets_for_path = ImportAssets::for_fuzzy_path(
153 current_module,
154 ctx.path_qual.clone(),
155 fuzzy_name,
156 &ctx.sema,
157 );
158
159 if matches!(assets_for_path.as_ref()?.import_candidate(), ImportCandidate::Path(_))
160 && fuzzy_name_length < 2
161 {
162 mark::hit!(ignore_short_input_for_path);
163 None
164 } else {
165 assets_for_path
166 }
167 }
168}
169
115fn compute_fuzzy_completion_order_key( 170fn compute_fuzzy_completion_order_key(
116 proposed_mod_path: &ModPath, 171 proposed_mod_path: &ModPath,
117 user_input_lowercased: &str, 172 user_input_lowercased: &str,
@@ -224,6 +279,30 @@ fn main() {
224 } 279 }
225 280
226 #[test] 281 #[test]
282 fn short_paths_are_ignored() {
283 mark::check!(ignore_short_input_for_path);
284
285 check(
286 r#"
287//- /lib.rs crate:dep
288pub struct FirstStruct;
289pub mod some_module {
290 pub struct SecondStruct;
291 pub struct ThirdStruct;
292}
293
294//- /main.rs crate:main deps:dep
295use dep::{FirstStruct, some_module::SecondStruct};
296
297fn main() {
298 t$0
299}
300"#,
301 expect![[r#""#]],
302 );
303 }
304
305 #[test]
227 fn fuzzy_completions_come_in_specific_order() { 306 fn fuzzy_completions_come_in_specific_order() {
228 mark::check!(certain_fuzzy_order_test); 307 mark::check!(certain_fuzzy_order_test);
229 check( 308 check(
@@ -259,6 +338,176 @@ fn main() {
259 } 338 }
260 339
261 #[test] 340 #[test]
341 fn trait_function_fuzzy_completion() {
342 let fixture = r#"
343 //- /lib.rs crate:dep
344 pub mod test_mod {
345 pub trait TestTrait {
346 const SPECIAL_CONST: u8;
347 type HumbleType;
348 fn weird_function();
349 fn random_method(&self);
350 }
351 pub struct TestStruct {}
352 impl TestTrait for TestStruct {
353 const SPECIAL_CONST: u8 = 42;
354 type HumbleType = ();
355 fn weird_function() {}
356 fn random_method(&self) {}
357 }
358 }
359
360 //- /main.rs crate:main deps:dep
361 fn main() {
362 dep::test_mod::TestStruct::wei$0
363 }
364 "#;
365
366 check(
367 fixture,
368 expect![[r#"
369 fn weird_function() (dep::test_mod::TestTrait) fn weird_function()
370 "#]],
371 );
372
373 check_edit(
374 "weird_function",
375 fixture,
376 r#"
377use dep::test_mod::TestTrait;
378
379fn main() {
380 dep::test_mod::TestStruct::weird_function()$0
381}
382"#,
383 );
384 }
385
386 #[test]
387 fn trait_const_fuzzy_completion() {
388 let fixture = r#"
389 //- /lib.rs crate:dep
390 pub mod test_mod {
391 pub trait TestTrait {
392 const SPECIAL_CONST: u8;
393 type HumbleType;
394 fn weird_function();
395 fn random_method(&self);
396 }
397 pub struct TestStruct {}
398 impl TestTrait for TestStruct {
399 const SPECIAL_CONST: u8 = 42;
400 type HumbleType = ();
401 fn weird_function() {}
402 fn random_method(&self) {}
403 }
404 }
405
406 //- /main.rs crate:main deps:dep
407 fn main() {
408 dep::test_mod::TestStruct::spe$0
409 }
410 "#;
411
412 check(
413 fixture,
414 expect![[r#"
415 ct SPECIAL_CONST (dep::test_mod::TestTrait)
416 "#]],
417 );
418
419 check_edit(
420 "SPECIAL_CONST",
421 fixture,
422 r#"
423use dep::test_mod::TestTrait;
424
425fn main() {
426 dep::test_mod::TestStruct::SPECIAL_CONST
427}
428"#,
429 );
430 }
431
432 #[test]
433 fn trait_method_fuzzy_completion() {
434 let fixture = r#"
435 //- /lib.rs crate:dep
436 pub mod test_mod {
437 pub trait TestTrait {
438 const SPECIAL_CONST: u8;
439 type HumbleType;
440 fn weird_function();
441 fn random_method(&self);
442 }
443 pub struct TestStruct {}
444 impl TestTrait for TestStruct {
445 const SPECIAL_CONST: u8 = 42;
446 type HumbleType = ();
447 fn weird_function() {}
448 fn random_method(&self) {}
449 }
450 }
451
452 //- /main.rs crate:main deps:dep
453 fn main() {
454 let test_struct = dep::test_mod::TestStruct {};
455 test_struct.ran$0
456 }
457 "#;
458
459 check(
460 fixture,
461 expect![[r#"
462 me random_method() (dep::test_mod::TestTrait) fn random_method(&self)
463 "#]],
464 );
465
466 check_edit(
467 "random_method",
468 fixture,
469 r#"
470use dep::test_mod::TestTrait;
471
472fn main() {
473 let test_struct = dep::test_mod::TestStruct {};
474 test_struct.random_method()$0
475}
476"#,
477 );
478 }
479
480 #[test]
481 fn no_trait_type_fuzzy_completion() {
482 check(
483 r#"
484//- /lib.rs crate:dep
485pub mod test_mod {
486 pub trait TestTrait {
487 const SPECIAL_CONST: u8;
488 type HumbleType;
489 fn weird_function();
490 fn random_method(&self);
491 }
492 pub struct TestStruct {}
493 impl TestTrait for TestStruct {
494 const SPECIAL_CONST: u8 = 42;
495 type HumbleType = ();
496 fn weird_function() {}
497 fn random_method(&self) {}
498 }
499}
500
501//- /main.rs crate:main deps:dep
502fn main() {
503 dep::test_mod::TestStruct::hum$0
504}
505"#,
506 expect![[r#""#]],
507 );
508 }
509
510 #[test]
262 fn does_not_propose_names_in_scope() { 511 fn does_not_propose_names_in_scope() {
263 check( 512 check(
264 r#" 513 r#"
@@ -288,4 +537,129 @@ fn main() {
288 expect![[r#""#]], 537 expect![[r#""#]],
289 ); 538 );
290 } 539 }
540
541 #[test]
542 fn does_not_propose_traits_in_scope() {
543 check(
544 r#"
545//- /lib.rs crate:dep
546pub mod test_mod {
547 pub trait TestTrait {
548 const SPECIAL_CONST: u8;
549 type HumbleType;
550 fn weird_function();
551 fn random_method(&self);
552 }
553 pub struct TestStruct {}
554 impl TestTrait for TestStruct {
555 const SPECIAL_CONST: u8 = 42;
556 type HumbleType = ();
557 fn weird_function() {}
558 fn random_method(&self) {}
559 }
560}
561
562//- /main.rs crate:main deps:dep
563use dep::test_mod::{TestStruct, TestTrait};
564fn main() {
565 dep::test_mod::TestStruct::hum$0
566}
567"#,
568 expect![[r#""#]],
569 );
570 }
571
572 #[test]
573 fn blanket_trait_impl_import() {
574 check_edit(
575 "another_function",
576 r#"
577//- /lib.rs crate:dep
578pub mod test_mod {
579 pub struct TestStruct {}
580 pub trait TestTrait {
581 fn another_function();
582 }
583 impl<T> TestTrait for T {
584 fn another_function() {}
585 }
586}
587
588//- /main.rs crate:main deps:dep
589fn main() {
590 dep::test_mod::TestStruct::ano$0
591}
592"#,
593 r#"
594use dep::test_mod::TestTrait;
595
596fn main() {
597 dep::test_mod::TestStruct::another_function()$0
598}
599"#,
600 );
601 }
602
603 #[test]
604 fn zero_input_assoc_item_completion() {
605 check(
606 r#"
607//- /lib.rs crate:dep
608pub mod test_mod {
609 pub trait TestTrait {
610 const SPECIAL_CONST: u8;
611 type HumbleType;
612 fn weird_function();
613 fn random_method(&self);
614 }
615 pub struct TestStruct {}
616 impl TestTrait for TestStruct {
617 const SPECIAL_CONST: u8 = 42;
618 type HumbleType = ();
619 fn weird_function() {}
620 fn random_method(&self) {}
621 }
622}
623
624//- /main.rs crate:main deps:dep
625fn main() {
626 let test_struct = dep::test_mod::TestStruct {};
627 test_struct.$0
628}
629 "#,
630 expect![[r#"
631 me random_method() (dep::test_mod::TestTrait) fn random_method(&self)
632 "#]],
633 );
634
635 check(
636 r#"
637//- /lib.rs crate:dep
638pub mod test_mod {
639 pub trait TestTrait {
640 const SPECIAL_CONST: u8;
641 type HumbleType;
642 fn weird_function();
643 fn random_method(&self);
644 }
645 pub struct TestStruct {}
646 impl TestTrait for TestStruct {
647 const SPECIAL_CONST: u8 = 42;
648 type HumbleType = ();
649 fn weird_function() {}
650 fn random_method(&self) {}
651 }
652}
653
654//- /main.rs crate:main deps:dep
655fn main() {
656 dep::test_mod::TestStruct::$0
657}
658"#,
659 expect![[r#"
660 ct SPECIAL_CONST (dep::test_mod::TestTrait)
661 fn weird_function() (dep::test_mod::TestTrait) fn weird_function()
662 "#]],
663 );
664 }
291} 665}
diff --git a/crates/completion/src/config.rs b/crates/completion/src/config.rs
index 58fc700f3..d70ed6c1c 100644
--- a/crates/completion/src/config.rs
+++ b/crates/completion/src/config.rs
@@ -9,7 +9,7 @@ use ide_db::helpers::{insert_use::InsertUseConfig, SnippetCap};
9#[derive(Clone, Debug, PartialEq, Eq)] 9#[derive(Clone, Debug, PartialEq, Eq)]
10pub struct CompletionConfig { 10pub struct CompletionConfig {
11 pub enable_postfix_completions: bool, 11 pub enable_postfix_completions: bool,
12 pub enable_autoimport_completions: bool, 12 pub enable_imports_on_the_fly: bool,
13 pub add_call_parenthesis: bool, 13 pub add_call_parenthesis: bool,
14 pub add_call_argument_snippets: bool, 14 pub add_call_argument_snippets: bool,
15 pub snippet_cap: Option<SnippetCap>, 15 pub snippet_cap: Option<SnippetCap>,
diff --git a/crates/completion/src/item.rs b/crates/completion/src/item.rs
index 5d91d3a5c..4147853e7 100644
--- a/crates/completion/src/item.rs
+++ b/crates/completion/src/item.rs
@@ -270,6 +270,7 @@ impl CompletionItem {
270pub struct ImportEdit { 270pub struct ImportEdit {
271 pub import_path: ModPath, 271 pub import_path: ModPath,
272 pub import_scope: ImportScope, 272 pub import_scope: ImportScope,
273 pub import_for_trait_assoc_item: bool,
273} 274}
274 275
275impl ImportEdit { 276impl ImportEdit {
@@ -321,17 +322,19 @@ impl Builder {
321 let mut insert_text = self.insert_text; 322 let mut insert_text = self.insert_text;
322 323
323 if let Some(import_to_add) = self.import_to_add.as_ref() { 324 if let Some(import_to_add) = self.import_to_add.as_ref() {
324 let mut import_path_without_last_segment = import_to_add.import_path.to_owned(); 325 if import_to_add.import_for_trait_assoc_item {
325 let _ = import_path_without_last_segment.segments.pop(); 326 lookup = lookup.or_else(|| Some(label.clone()));
326 327 insert_text = insert_text.or_else(|| Some(label.clone()));
327 if !import_path_without_last_segment.segments.is_empty() { 328 label = format!("{} ({})", label, import_to_add.import_path);
328 if lookup.is_none() { 329 } else {
329 lookup = Some(label.clone()); 330 let mut import_path_without_last_segment = import_to_add.import_path.to_owned();
330 } 331 let _ = import_path_without_last_segment.segments.pop();
331 if insert_text.is_none() { 332
332 insert_text = Some(label.clone()); 333 if !import_path_without_last_segment.segments.is_empty() {
334 lookup = lookup.or_else(|| Some(label.clone()));
335 insert_text = insert_text.or_else(|| Some(label.clone()));
336 label = format!("{}::{}", import_path_without_last_segment, label);
333 } 337 }
334 label = format!("{}::{}", import_path_without_last_segment, label);
335 } 338 }
336 } 339 }
337 340
diff --git a/crates/completion/src/lib.rs b/crates/completion/src/lib.rs
index ee1b822e7..2c4e54524 100644
--- a/crates/completion/src/lib.rs
+++ b/crates/completion/src/lib.rs
@@ -11,10 +11,10 @@ mod render;
11 11
12mod completions; 12mod completions;
13 13
14use completions::flyimport::position_for_import;
14use ide_db::{ 15use ide_db::{
15 base_db::FilePosition, helpers::insert_use::ImportScope, imports_locator, RootDatabase, 16 base_db::FilePosition, helpers::insert_use::ImportScope, imports_locator, RootDatabase,
16}; 17};
17use syntax::AstNode;
18use text_edit::TextEdit; 18use text_edit::TextEdit;
19 19
20use crate::{completions::Completions, context::CompletionContext, item::CompletionKind}; 20use crate::{completions::Completions, context::CompletionContext, item::CompletionKind};
@@ -139,12 +139,13 @@ pub fn resolve_completion_edits(
139 position: FilePosition, 139 position: FilePosition,
140 full_import_path: &str, 140 full_import_path: &str,
141 imported_name: String, 141 imported_name: String,
142 import_for_trait_assoc_item: bool,
142) -> Option<Vec<TextEdit>> { 143) -> Option<Vec<TextEdit>> {
143 let ctx = CompletionContext::new(db, position, config)?; 144 let ctx = CompletionContext::new(db, position, config)?;
144 let anchor = ctx.name_ref_syntax.as_ref()?; 145 let position_for_import = position_for_import(&ctx, None)?;
145 let import_scope = ImportScope::find_insert_use_container(anchor.syntax(), &ctx.sema)?; 146 let import_scope = ImportScope::find_insert_use_container(position_for_import, &ctx.sema)?;
146 147
147 let current_module = ctx.sema.scope(anchor.syntax()).module()?; 148 let current_module = ctx.sema.scope(position_for_import).module()?;
148 let current_crate = current_module.krate(); 149 let current_crate = current_module.krate();
149 150
150 let import_path = imports_locator::find_exact_imports(&ctx.sema, current_crate, imported_name) 151 let import_path = imports_locator::find_exact_imports(&ctx.sema, current_crate, imported_name)
@@ -154,7 +155,7 @@ pub fn resolve_completion_edits(
154 }) 155 })
155 .find(|mod_path| mod_path.to_string() == full_import_path)?; 156 .find(|mod_path| mod_path.to_string() == full_import_path)?;
156 157
157 ImportEdit { import_path, import_scope } 158 ImportEdit { import_path, import_scope, import_for_trait_assoc_item }
158 .to_text_edit(config.insert_use.merge) 159 .to_text_edit(config.insert_use.merge)
159 .map(|edit| vec![edit]) 160 .map(|edit| vec![edit])
160} 161}
diff --git a/crates/completion/src/render.rs b/crates/completion/src/render.rs
index 820dd01d1..4b3c9702a 100644
--- a/crates/completion/src/render.rs
+++ b/crates/completion/src/render.rs
@@ -10,7 +10,7 @@ pub(crate) mod type_alias;
10 10
11mod builder_ext; 11mod builder_ext;
12 12
13use hir::{Documentation, HasAttrs, HirDisplay, Mutability, ScopeDef, Type}; 13use hir::{Documentation, HasAttrs, HirDisplay, ModuleDef, Mutability, ScopeDef, Type};
14use ide_db::{helpers::SnippetCap, RootDatabase}; 14use ide_db::{helpers::SnippetCap, RootDatabase};
15use syntax::TextRange; 15use syntax::TextRange;
16use test_utils::mark; 16use test_utils::mark;
@@ -51,16 +51,16 @@ pub(crate) fn render_resolution_with_import<'a>(
51 import_edit: ImportEdit, 51 import_edit: ImportEdit,
52 resolution: &ScopeDef, 52 resolution: &ScopeDef,
53) -> Option<CompletionItem> { 53) -> Option<CompletionItem> {
54 Render::new(ctx) 54 let local_name = match resolution {
55 .render_resolution( 55 ScopeDef::ModuleDef(ModuleDef::Function(f)) => f.name(ctx.completion.db).to_string(),
56 import_edit.import_path.segments.last()?.to_string(), 56 ScopeDef::ModuleDef(ModuleDef::Const(c)) => c.name(ctx.completion.db)?.to_string(),
57 Some(import_edit), 57 ScopeDef::ModuleDef(ModuleDef::TypeAlias(t)) => t.name(ctx.completion.db).to_string(),
58 resolution, 58 _ => import_edit.import_path.segments.last()?.to_string(),
59 ) 59 };
60 .map(|mut item| { 60 Render::new(ctx).render_resolution(local_name, Some(import_edit), resolution).map(|mut item| {
61 item.completion_kind = CompletionKind::Magic; 61 item.completion_kind = CompletionKind::Magic;
62 item 62 item
63 }) 63 })
64} 64}
65 65
66/// Interface for data and methods required for items rendering. 66/// Interface for data and methods required for items rendering.
diff --git a/crates/completion/src/test_utils.rs b/crates/completion/src/test_utils.rs
index 6ea6da989..3faf861b9 100644
--- a/crates/completion/src/test_utils.rs
+++ b/crates/completion/src/test_utils.rs
@@ -18,7 +18,7 @@ use crate::{item::CompletionKind, CompletionConfig, CompletionItem};
18 18
19pub(crate) const TEST_CONFIG: CompletionConfig = CompletionConfig { 19pub(crate) const TEST_CONFIG: CompletionConfig = CompletionConfig {
20 enable_postfix_completions: true, 20 enable_postfix_completions: true,
21 enable_autoimport_completions: true, 21 enable_imports_on_the_fly: true,
22 add_call_parenthesis: true, 22 add_call_parenthesis: true,
23 add_call_argument_snippets: true, 23 add_call_argument_snippets: true,
24 snippet_cap: SnippetCap::new(true), 24 snippet_cap: SnippetCap::new(true),
diff --git a/crates/hir/src/code_model.rs b/crates/hir/src/code_model.rs
index 6cbf5cecf..2950f08b8 100644
--- a/crates/hir/src/code_model.rs
+++ b/crates/hir/src/code_model.rs
@@ -272,6 +272,15 @@ impl ModuleDef {
272 272
273 hir_ty::diagnostics::validate_module_item(db, module.id.krate, id, sink) 273 hir_ty::diagnostics::validate_module_item(db, module.id.krate, id, sink)
274 } 274 }
275
276 pub fn as_assoc_item(self, db: &dyn HirDatabase) -> Option<AssocItem> {
277 match self {
278 ModuleDef::Function(f) => f.as_assoc_item(db),
279 ModuleDef::Const(c) => c.as_assoc_item(db),
280 ModuleDef::TypeAlias(t) => t.as_assoc_item(db),
281 _ => None,
282 }
283 }
275} 284}
276 285
277impl Module { 286impl Module {
@@ -1091,6 +1100,13 @@ impl AssocItem {
1091 AssocContainerId::ContainerId(_) => panic!("invalid AssocItem"), 1100 AssocContainerId::ContainerId(_) => panic!("invalid AssocItem"),
1092 } 1101 }
1093 } 1102 }
1103
1104 pub fn containing_trait(self, db: &dyn HirDatabase) -> Option<Trait> {
1105 match self.container(db) {
1106 AssocItemContainer::Trait(t) => Some(t),
1107 _ => None,
1108 }
1109 }
1094} 1110}
1095 1111
1096impl HasVisibility for AssocItem { 1112impl HasVisibility for AssocItem {
diff --git a/crates/hir_def/src/import_map.rs b/crates/hir_def/src/import_map.rs
index e5368b293..fac0de90c 100644
--- a/crates/hir_def/src/import_map.rs
+++ b/crates/hir_def/src/import_map.rs
@@ -263,6 +263,7 @@ pub enum ImportKind {
263 Trait, 263 Trait,
264 TypeAlias, 264 TypeAlias,
265 BuiltinType, 265 BuiltinType,
266 AssociatedItem,
266} 267}
267 268
268/// A way to match import map contents against the search query. 269/// A way to match import map contents against the search query.
@@ -282,6 +283,7 @@ pub struct Query {
282 query: String, 283 query: String,
283 lowercased: String, 284 lowercased: String,
284 name_only: bool, 285 name_only: bool,
286 assoc_items_only: bool,
285 search_mode: SearchMode, 287 search_mode: SearchMode,
286 case_sensitive: bool, 288 case_sensitive: bool,
287 limit: usize, 289 limit: usize,
@@ -295,6 +297,7 @@ impl Query {
295 query, 297 query,
296 lowercased, 298 lowercased,
297 name_only: false, 299 name_only: false,
300 assoc_items_only: false,
298 search_mode: SearchMode::Contains, 301 search_mode: SearchMode::Contains,
299 case_sensitive: false, 302 case_sensitive: false,
300 limit: usize::max_value(), 303 limit: usize::max_value(),
@@ -309,6 +312,11 @@ impl Query {
309 Self { name_only: true, ..self } 312 Self { name_only: true, ..self }
310 } 313 }
311 314
315 /// Matches only the entries that are associated items, ignoring the rest.
316 pub fn assoc_items_only(self) -> Self {
317 Self { assoc_items_only: true, ..self }
318 }
319
312 /// Specifies the way to search for the entries using the query. 320 /// Specifies the way to search for the entries using the query.
313 pub fn search_mode(self, search_mode: SearchMode) -> Self { 321 pub fn search_mode(self, search_mode: SearchMode) -> Self {
314 Self { search_mode, ..self } 322 Self { search_mode, ..self }
@@ -331,6 +339,14 @@ impl Query {
331 } 339 }
332 340
333 fn import_matches(&self, import: &ImportInfo, enforce_lowercase: bool) -> bool { 341 fn import_matches(&self, import: &ImportInfo, enforce_lowercase: bool) -> bool {
342 if import.is_trait_assoc_item {
343 if self.exclude_import_kinds.contains(&ImportKind::AssociatedItem) {
344 return false;
345 }
346 } else if self.assoc_items_only {
347 return false;
348 }
349
334 let mut input = if import.is_trait_assoc_item || self.name_only { 350 let mut input = if import.is_trait_assoc_item || self.name_only {
335 import.path.segments.last().unwrap().to_string() 351 import.path.segments.last().unwrap().to_string()
336 } else { 352 } else {
@@ -814,6 +830,56 @@ mod tests {
814 } 830 }
815 831
816 #[test] 832 #[test]
833 fn assoc_items_filtering() {
834 let ra_fixture = r#"
835 //- /main.rs crate:main deps:dep
836 //- /dep.rs crate:dep
837 pub mod fmt {
838 pub trait Display {
839 type FmtTypeAlias;
840 const FMT_CONST: bool;
841
842 fn format_function();
843 fn format_method(&self);
844 }
845 }
846 "#;
847
848 check_search(
849 ra_fixture,
850 "main",
851 Query::new("fmt".to_string()).search_mode(SearchMode::Fuzzy).assoc_items_only(),
852 expect![[r#"
853 dep::fmt::Display::FMT_CONST (a)
854 dep::fmt::Display::format_function (a)
855 dep::fmt::Display::format_method (a)
856 "#]],
857 );
858
859 check_search(
860 ra_fixture,
861 "main",
862 Query::new("fmt".to_string())
863 .search_mode(SearchMode::Fuzzy)
864 .exclude_import_kind(ImportKind::AssociatedItem),
865 expect![[r#"
866 dep::fmt (t)
867 dep::fmt::Display (t)
868 "#]],
869 );
870
871 check_search(
872 ra_fixture,
873 "main",
874 Query::new("fmt".to_string())
875 .search_mode(SearchMode::Fuzzy)
876 .assoc_items_only()
877 .exclude_import_kind(ImportKind::AssociatedItem),
878 expect![[r#""#]],
879 );
880 }
881
882 #[test]
817 fn search_mode() { 883 fn search_mode() {
818 let ra_fixture = r#" 884 let ra_fixture = r#"
819 //- /main.rs crate:main deps:dep 885 //- /main.rs crate:main deps:dep
diff --git a/crates/ide/src/doc_links.rs b/crates/ide/src/doc_links.rs
index de10406bc..1f08d7810 100644
--- a/crates/ide/src/doc_links.rs
+++ b/crates/ide/src/doc_links.rs
@@ -438,10 +438,10 @@ fn get_symbol_fragment(db: &dyn HirDatabase, field_or_assoc: &FieldOrAssocItem)
438 FieldOrAssocItem::Field(field) => format!("#structfield.{}", field.name(db)), 438 FieldOrAssocItem::Field(field) => format!("#structfield.{}", field.name(db)),
439 FieldOrAssocItem::AssocItem(assoc) => match assoc { 439 FieldOrAssocItem::AssocItem(assoc) => match assoc {
440 AssocItem::Function(function) => { 440 AssocItem::Function(function) => {
441 let is_trait_method = matches!( 441 let is_trait_method = function
442 function.as_assoc_item(db).map(|assoc| assoc.container(db)), 442 .as_assoc_item(db)
443 Some(AssocItemContainer::Trait(..)) 443 .and_then(|assoc| assoc.containing_trait(db))
444 ); 444 .is_some();
445 // This distinction may get more complicated when specialization is available. 445 // This distinction may get more complicated when specialization is available.
446 // Rustdoc makes this decision based on whether a method 'has defaultness'. 446 // Rustdoc makes this decision based on whether a method 'has defaultness'.
447 // Currently this is only the case for provided trait methods. 447 // Currently this is only the case for provided trait methods.
diff --git a/crates/ide/src/lib.rs b/crates/ide/src/lib.rs
index b2b7178d4..3abbb14c6 100644
--- a/crates/ide/src/lib.rs
+++ b/crates/ide/src/lib.rs
@@ -478,6 +478,7 @@ impl Analysis {
478 position: FilePosition, 478 position: FilePosition,
479 full_import_path: &str, 479 full_import_path: &str,
480 imported_name: String, 480 imported_name: String,
481 import_for_trait_assoc_item: bool,
481 ) -> Cancelable<Vec<TextEdit>> { 482 ) -> Cancelable<Vec<TextEdit>> {
482 Ok(self 483 Ok(self
483 .with_db(|db| { 484 .with_db(|db| {
@@ -487,6 +488,7 @@ impl Analysis {
487 position, 488 position,
488 full_import_path, 489 full_import_path,
489 imported_name, 490 imported_name,
491 import_for_trait_assoc_item,
490 ) 492 )
491 })? 493 })?
492 .unwrap_or_default()) 494 .unwrap_or_default())
diff --git a/crates/ide_db/src/helpers/import_assets.rs b/crates/ide_db/src/helpers/import_assets.rs
index edc3da318..517abbb4b 100644
--- a/crates/ide_db/src/helpers/import_assets.rs
+++ b/crates/ide_db/src/helpers/import_assets.rs
@@ -1,12 +1,13 @@
1//! Look up accessible paths for items. 1//! Look up accessible paths for items.
2use either::Either; 2use either::Either;
3use hir::{AsAssocItem, AssocItemContainer, ModuleDef, Semantics}; 3use hir::{AsAssocItem, AssocItem, Crate, MacroDef, Module, ModuleDef, PrefixKind, Semantics};
4use rustc_hash::FxHashSet; 4use rustc_hash::FxHashSet;
5use syntax::{ast, AstNode, SyntaxNode}; 5use syntax::{ast, AstNode};
6 6
7use crate::{imports_locator, RootDatabase}; 7use crate::{
8 8 imports_locator::{self, AssocItemSearch, DEFAULT_QUERY_SEARCH_LIMIT},
9use super::insert_use::InsertUseConfig; 9 RootDatabase,
10};
10 11
11#[derive(Debug)] 12#[derive(Debug)]
12pub enum ImportCandidate { 13pub enum ImportCandidate {
@@ -24,86 +25,141 @@ pub enum ImportCandidate {
24 25
25#[derive(Debug)] 26#[derive(Debug)]
26pub struct TraitImportCandidate { 27pub struct TraitImportCandidate {
27 pub ty: hir::Type, 28 pub receiver_ty: hir::Type,
28 pub name: ast::NameRef, 29 pub name: NameToImport,
29} 30}
30 31
31#[derive(Debug)] 32#[derive(Debug)]
32pub struct PathImportCandidate { 33pub struct PathImportCandidate {
33 pub qualifier: Option<ast::Path>, 34 pub qualifier: Option<ast::Path>,
34 pub name: ast::NameRef, 35 pub name: NameToImport,
36}
37
38#[derive(Debug)]
39pub enum NameToImport {
40 Exact(String),
41 Fuzzy(String),
42}
43
44impl NameToImport {
45 pub fn text(&self) -> &str {
46 match self {
47 NameToImport::Exact(text) => text.as_str(),
48 NameToImport::Fuzzy(text) => text.as_str(),
49 }
50 }
35} 51}
36 52
37#[derive(Debug)] 53#[derive(Debug)]
38pub struct ImportAssets { 54pub struct ImportAssets {
39 import_candidate: ImportCandidate, 55 import_candidate: ImportCandidate,
40 module_with_name_to_import: hir::Module, 56 module_with_candidate: hir::Module,
41 syntax_under_caret: SyntaxNode,
42} 57}
43 58
44impl ImportAssets { 59impl ImportAssets {
45 pub fn for_method_call( 60 pub fn for_method_call(
46 method_call: ast::MethodCallExpr, 61 method_call: &ast::MethodCallExpr,
47 sema: &Semantics<RootDatabase>, 62 sema: &Semantics<RootDatabase>,
48 ) -> Option<Self> { 63 ) -> Option<Self> {
49 let syntax_under_caret = method_call.syntax().to_owned();
50 let module_with_name_to_import = sema.scope(&syntax_under_caret).module()?;
51 Some(Self { 64 Some(Self {
52 import_candidate: ImportCandidate::for_method_call(sema, &method_call)?, 65 import_candidate: ImportCandidate::for_method_call(sema, method_call)?,
53 module_with_name_to_import, 66 module_with_candidate: sema.scope(method_call.syntax()).module()?,
54 syntax_under_caret,
55 }) 67 })
56 } 68 }
57 69
58 pub fn for_regular_path( 70 pub fn for_exact_path(
59 path_under_caret: ast::Path, 71 fully_qualified_path: &ast::Path,
60 sema: &Semantics<RootDatabase>, 72 sema: &Semantics<RootDatabase>,
61 ) -> Option<Self> { 73 ) -> Option<Self> {
62 let syntax_under_caret = path_under_caret.syntax().to_owned(); 74 let syntax_under_caret = fully_qualified_path.syntax();
63 if syntax_under_caret.ancestors().find_map(ast::Use::cast).is_some() { 75 if syntax_under_caret.ancestors().find_map(ast::Use::cast).is_some() {
64 return None; 76 return None;
65 } 77 }
66
67 let module_with_name_to_import = sema.scope(&syntax_under_caret).module()?;
68 Some(Self { 78 Some(Self {
69 import_candidate: ImportCandidate::for_regular_path(sema, &path_under_caret)?, 79 import_candidate: ImportCandidate::for_regular_path(sema, fully_qualified_path)?,
70 module_with_name_to_import, 80 module_with_candidate: sema.scope(syntax_under_caret).module()?,
71 syntax_under_caret,
72 }) 81 })
73 } 82 }
74 83
75 pub fn syntax_under_caret(&self) -> &SyntaxNode { 84 pub fn for_fuzzy_path(
76 &self.syntax_under_caret 85 module_with_path: Module,
86 qualifier: Option<ast::Path>,
87 fuzzy_name: String,
88 sema: &Semantics<RootDatabase>,
89 ) -> Option<Self> {
90 Some(match qualifier {
91 Some(qualifier) => {
92 let qualifier_resolution = sema.resolve_path(&qualifier)?;
93 match qualifier_resolution {
94 hir::PathResolution::Def(hir::ModuleDef::Adt(assoc_item_path)) => Self {
95 import_candidate: ImportCandidate::TraitAssocItem(TraitImportCandidate {
96 receiver_ty: assoc_item_path.ty(sema.db),
97 name: NameToImport::Fuzzy(fuzzy_name),
98 }),
99 module_with_candidate: module_with_path,
100 },
101 _ => Self {
102 import_candidate: ImportCandidate::Path(PathImportCandidate {
103 qualifier: Some(qualifier),
104 name: NameToImport::Fuzzy(fuzzy_name),
105 }),
106 module_with_candidate: module_with_path,
107 },
108 }
109 }
110 None => Self {
111 import_candidate: ImportCandidate::Path(PathImportCandidate {
112 qualifier: None,
113 name: NameToImport::Fuzzy(fuzzy_name),
114 }),
115 module_with_candidate: module_with_path,
116 },
117 })
77 } 118 }
78 119
120 pub fn for_fuzzy_method_call(
121 module_with_method_call: Module,
122 receiver_ty: hir::Type,
123 fuzzy_method_name: String,
124 ) -> Option<Self> {
125 Some(Self {
126 import_candidate: ImportCandidate::TraitMethod(TraitImportCandidate {
127 receiver_ty,
128 name: NameToImport::Fuzzy(fuzzy_method_name),
129 }),
130 module_with_candidate: module_with_method_call,
131 })
132 }
133}
134
135impl ImportAssets {
79 pub fn import_candidate(&self) -> &ImportCandidate { 136 pub fn import_candidate(&self) -> &ImportCandidate {
80 &self.import_candidate 137 &self.import_candidate
81 } 138 }
82 139
83 fn get_search_query(&self) -> &str { 140 fn name_to_import(&self) -> &NameToImport {
84 match &self.import_candidate { 141 match &self.import_candidate {
85 ImportCandidate::Path(candidate) => candidate.name.text(), 142 ImportCandidate::Path(candidate) => &candidate.name,
86 ImportCandidate::TraitAssocItem(candidate) 143 ImportCandidate::TraitAssocItem(candidate)
87 | ImportCandidate::TraitMethod(candidate) => candidate.name.text(), 144 | ImportCandidate::TraitMethod(candidate) => &candidate.name,
88 } 145 }
89 } 146 }
90 147
91 pub fn search_for_imports( 148 pub fn search_for_imports(
92 &self, 149 &self,
93 sema: &Semantics<RootDatabase>, 150 sema: &Semantics<RootDatabase>,
94 config: &InsertUseConfig, 151 prefix_kind: PrefixKind,
95 ) -> Vec<(hir::ModPath, hir::ItemInNs)> { 152 ) -> Vec<(hir::ModPath, hir::ItemInNs)> {
96 let _p = profile::span("import_assists::search_for_imports"); 153 let _p = profile::span("import_assets::search_for_imports");
97 self.search_for(sema, Some(config.prefix_kind)) 154 self.search_for(sema, Some(prefix_kind))
98 } 155 }
99 156
100 /// This may return non-absolute paths if a part of the returned path is already imported into scope. 157 /// This may return non-absolute paths if a part of the returned path is already imported into scope.
101 #[allow(dead_code)]
102 pub fn search_for_relative_paths( 158 pub fn search_for_relative_paths(
103 &self, 159 &self,
104 sema: &Semantics<RootDatabase>, 160 sema: &Semantics<RootDatabase>,
105 ) -> Vec<(hir::ModPath, hir::ItemInNs)> { 161 ) -> Vec<(hir::ModPath, hir::ItemInNs)> {
106 let _p = profile::span("import_assists::search_for_relative_paths"); 162 let _p = profile::span("import_assets::search_for_relative_paths");
107 self.search_for(sema, None) 163 self.search_for(sema, None)
108 } 164 }
109 165
@@ -112,99 +168,142 @@ impl ImportAssets {
112 sema: &Semantics<RootDatabase>, 168 sema: &Semantics<RootDatabase>,
113 prefixed: Option<hir::PrefixKind>, 169 prefixed: Option<hir::PrefixKind>,
114 ) -> Vec<(hir::ModPath, hir::ItemInNs)> { 170 ) -> Vec<(hir::ModPath, hir::ItemInNs)> {
115 let db = sema.db; 171 let current_crate = self.module_with_candidate.krate();
116 let mut trait_candidates = FxHashSet::default();
117 let current_crate = self.module_with_name_to_import.krate();
118 172
119 let filter = |candidate: Either<hir::ModuleDef, hir::MacroDef>| { 173 let unfiltered_imports = match self.name_to_import() {
120 trait_candidates.clear(); 174 NameToImport::Exact(exact_name) => {
121 match &self.import_candidate { 175 imports_locator::find_exact_imports(sema, current_crate, exact_name.clone())
122 ImportCandidate::TraitAssocItem(trait_candidate) => { 176 }
123 let located_assoc_item = match candidate { 177 // FIXME: ideally, we should avoid using `fst` for seacrhing trait imports for assoc items:
124 Either::Left(ModuleDef::Function(located_function)) => { 178 // instead, we need to look up all trait impls for a certain struct and search through them only
125 located_function.as_assoc_item(db) 179 // see https://github.com/rust-analyzer/rust-analyzer/pull/7293#issuecomment-761585032
126 } 180 // and https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Fwg-rls-2.2E0/topic/Blanket.20trait.20impls.20lookup
127 Either::Left(ModuleDef::Const(located_const)) => { 181 // for the details
128 located_const.as_assoc_item(db) 182 NameToImport::Fuzzy(fuzzy_name) => {
129 } 183 let (assoc_item_search, limit) = match self.import_candidate {
130 _ => None, 184 ImportCandidate::TraitAssocItem(_) | ImportCandidate::TraitMethod(_) => {
185 (AssocItemSearch::AssocItemsOnly, None)
131 } 186 }
132 .map(|assoc| assoc.container(db)) 187 _ => (AssocItemSearch::Exclude, Some(DEFAULT_QUERY_SEARCH_LIMIT)),
133 .and_then(Self::assoc_to_trait)?; 188 };
134 189 imports_locator::find_similar_imports(
135 trait_candidates.insert(located_assoc_item.into()); 190 sema,
191 current_crate,
192 fuzzy_name.clone(),
193 assoc_item_search,
194 limit,
195 )
196 }
197 };
136 198
137 trait_candidate 199 let db = sema.db;
138 .ty 200 let mut res =
139 .iterate_path_candidates( 201 applicable_defs(self.import_candidate(), current_crate, db, unfiltered_imports)
140 db, 202 .filter_map(|candidate| {
141 current_crate, 203 let item: hir::ItemInNs = candidate.clone().either(Into::into, Into::into);
142 &trait_candidates,
143 None,
144 |_, assoc| Self::assoc_to_trait(assoc.container(db)),
145 )
146 .map(ModuleDef::from)
147 .map(Either::Left)
148 }
149 ImportCandidate::TraitMethod(trait_candidate) => {
150 let located_assoc_item =
151 if let Either::Left(ModuleDef::Function(located_function)) = candidate {
152 located_function
153 .as_assoc_item(db)
154 .map(|assoc| assoc.container(db))
155 .and_then(Self::assoc_to_trait)
156 } else {
157 None
158 }?;
159 204
160 trait_candidates.insert(located_assoc_item.into()); 205 let item_to_search = match self.import_candidate {
206 ImportCandidate::TraitAssocItem(_) | ImportCandidate::TraitMethod(_) => {
207 let canidate_trait = match candidate {
208 Either::Left(module_def) => {
209 module_def.as_assoc_item(db)?.containing_trait(db)
210 }
211 _ => None,
212 }?;
213 ModuleDef::from(canidate_trait).into()
214 }
215 _ => item,
216 };
161 217
162 trait_candidate 218 if let Some(prefix_kind) = prefixed {
163 .ty 219 self.module_with_candidate.find_use_path_prefixed(
164 .iterate_method_candidates(
165 db, 220 db,
166 current_crate, 221 item_to_search,
167 &trait_candidates, 222 prefix_kind,
168 None,
169 |_, function| {
170 Self::assoc_to_trait(function.as_assoc_item(db)?.container(db))
171 },
172 ) 223 )
173 .map(ModuleDef::from) 224 } else {
174 .map(Either::Left) 225 self.module_with_candidate.find_use_path(db, item_to_search)
175 } 226 }
176 _ => Some(candidate), 227 .map(|path| (path, item))
177 } 228 })
178 }; 229 .filter(|(use_path, _)| use_path.len() > 1)
179 230 .collect::<Vec<_>>();
180 let mut res = imports_locator::find_exact_imports( 231 res.sort_by_cached_key(|(path, _)| path.clone());
181 sema,
182 current_crate,
183 self.get_search_query().to_string(),
184 )
185 .filter_map(filter)
186 .filter_map(|candidate| {
187 let item: hir::ItemInNs = candidate.either(Into::into, Into::into);
188 if let Some(prefix_kind) = prefixed {
189 self.module_with_name_to_import.find_use_path_prefixed(db, item, prefix_kind)
190 } else {
191 self.module_with_name_to_import.find_use_path(db, item)
192 }
193 .map(|path| (path, item))
194 })
195 .filter(|(use_path, _)| use_path.len() > 1)
196 .take(20)
197 .collect::<Vec<_>>();
198 res.sort_by_key(|(path, _)| path.clone());
199 res 232 res
200 } 233 }
234}
201 235
202 fn assoc_to_trait(assoc: AssocItemContainer) -> Option<hir::Trait> { 236fn applicable_defs<'a>(
203 if let AssocItemContainer::Trait(extracted_trait) = assoc { 237 import_candidate: &ImportCandidate,
204 Some(extracted_trait) 238 current_crate: Crate,
205 } else { 239 db: &RootDatabase,
206 None 240 unfiltered_imports: Box<dyn Iterator<Item = Either<ModuleDef, MacroDef>> + 'a>,
241) -> Box<dyn Iterator<Item = Either<ModuleDef, MacroDef>> + 'a> {
242 let receiver_ty = match import_candidate {
243 ImportCandidate::Path(_) => return unfiltered_imports,
244 ImportCandidate::TraitAssocItem(candidate) | ImportCandidate::TraitMethod(candidate) => {
245 &candidate.receiver_ty
207 } 246 }
247 };
248
249 let mut required_assoc_items = FxHashSet::default();
250
251 let trait_candidates = unfiltered_imports
252 .filter_map(|input| match input {
253 Either::Left(module_def) => module_def.as_assoc_item(db),
254 _ => None,
255 })
256 .filter_map(|assoc| {
257 let assoc_item_trait = assoc.containing_trait(db)?;
258 required_assoc_items.insert(assoc);
259 Some(assoc_item_trait.into())
260 })
261 .collect();
262
263 let mut applicable_defs = FxHashSet::default();
264
265 match import_candidate {
266 ImportCandidate::Path(_) => unreachable!(),
267 ImportCandidate::TraitAssocItem(_) => receiver_ty.iterate_path_candidates(
268 db,
269 current_crate,
270 &trait_candidates,
271 None,
272 |_, assoc| {
273 if required_assoc_items.contains(&assoc) {
274 if let AssocItem::Function(f) = assoc {
275 if f.self_param(db).is_some() {
276 return None;
277 }
278 }
279 applicable_defs.insert(Either::Left(assoc_to_module_def(assoc)));
280 }
281 None::<()>
282 },
283 ),
284 ImportCandidate::TraitMethod(_) => receiver_ty.iterate_method_candidates(
285 db,
286 current_crate,
287 &trait_candidates,
288 None,
289 |_, function| {
290 let assoc = function.as_assoc_item(db)?;
291 if required_assoc_items.contains(&assoc) {
292 applicable_defs.insert(Either::Left(assoc_to_module_def(assoc)));
293 }
294 None::<()>
295 },
296 ),
297 };
298
299 Box::new(applicable_defs.into_iter())
300}
301
302fn assoc_to_module_def(assoc: AssocItem) -> ModuleDef {
303 match assoc {
304 AssocItem::Function(f) => f.into(),
305 AssocItem::Const(c) => c.into(),
306 AssocItem::TypeAlias(t) => t.into(),
208 } 307 }
209} 308}
210 309
@@ -216,22 +315,19 @@ impl ImportCandidate {
216 match sema.resolve_method_call(method_call) { 315 match sema.resolve_method_call(method_call) {
217 Some(_) => None, 316 Some(_) => None,
218 None => Some(Self::TraitMethod(TraitImportCandidate { 317 None => Some(Self::TraitMethod(TraitImportCandidate {
219 ty: sema.type_of_expr(&method_call.receiver()?)?, 318 receiver_ty: sema.type_of_expr(&method_call.receiver()?)?,
220 name: method_call.name_ref()?, 319 name: NameToImport::Exact(method_call.name_ref()?.to_string()),
221 })), 320 })),
222 } 321 }
223 } 322 }
224 323
225 fn for_regular_path( 324 fn for_regular_path(sema: &Semantics<RootDatabase>, path: &ast::Path) -> Option<Self> {
226 sema: &Semantics<RootDatabase>, 325 if sema.resolve_path(path).is_some() {
227 path_under_caret: &ast::Path,
228 ) -> Option<Self> {
229 if sema.resolve_path(path_under_caret).is_some() {
230 return None; 326 return None;
231 } 327 }
232 328
233 let segment = path_under_caret.segment()?; 329 let segment = path.segment()?;
234 let candidate = if let Some(qualifier) = path_under_caret.qualifier() { 330 let candidate = if let Some(qualifier) = path.qualifier() {
235 let qualifier_start = qualifier.syntax().descendants().find_map(ast::NameRef::cast)?; 331 let qualifier_start = qualifier.syntax().descendants().find_map(ast::NameRef::cast)?;
236 let qualifier_start_path = 332 let qualifier_start_path =
237 qualifier_start.syntax().ancestors().find_map(ast::Path::cast)?; 333 qualifier_start.syntax().ancestors().find_map(ast::Path::cast)?;
@@ -244,8 +340,8 @@ impl ImportCandidate {
244 match qualifier_resolution { 340 match qualifier_resolution {
245 hir::PathResolution::Def(hir::ModuleDef::Adt(assoc_item_path)) => { 341 hir::PathResolution::Def(hir::ModuleDef::Adt(assoc_item_path)) => {
246 ImportCandidate::TraitAssocItem(TraitImportCandidate { 342 ImportCandidate::TraitAssocItem(TraitImportCandidate {
247 ty: assoc_item_path.ty(sema.db), 343 receiver_ty: assoc_item_path.ty(sema.db),
248 name: segment.name_ref()?, 344 name: NameToImport::Exact(segment.name_ref()?.to_string()),
249 }) 345 })
250 } 346 }
251 _ => return None, 347 _ => return None,
@@ -253,13 +349,15 @@ impl ImportCandidate {
253 } else { 349 } else {
254 ImportCandidate::Path(PathImportCandidate { 350 ImportCandidate::Path(PathImportCandidate {
255 qualifier: Some(qualifier), 351 qualifier: Some(qualifier),
256 name: qualifier_start, 352 name: NameToImport::Exact(qualifier_start.to_string()),
257 }) 353 })
258 } 354 }
259 } else { 355 } else {
260 ImportCandidate::Path(PathImportCandidate { 356 ImportCandidate::Path(PathImportCandidate {
261 qualifier: None, 357 qualifier: None,
262 name: segment.syntax().descendants().find_map(ast::NameRef::cast)?, 358 name: NameToImport::Exact(
359 segment.syntax().descendants().find_map(ast::NameRef::cast)?.to_string(),
360 ),
263 }) 361 })
264 }; 362 };
265 Some(candidate) 363 Some(candidate)
diff --git a/crates/ide_db/src/imports_locator.rs b/crates/ide_db/src/imports_locator.rs
index d111fba92..502e8281a 100644
--- a/crates/ide_db/src/imports_locator.rs
+++ b/crates/ide_db/src/imports_locator.rs
@@ -1,7 +1,10 @@
1//! This module contains an import search functionality that is provided to the assists module. 1//! This module contains an import search functionality that is provided to the assists module.
2//! Later, this should be moved away to a separate crate that is accessible from the assists module. 2//! Later, this should be moved away to a separate crate that is accessible from the assists module.
3 3
4use hir::{import_map, AsAssocItem, Crate, MacroDef, ModuleDef, Semantics}; 4use hir::{
5 import_map::{self, ImportKind},
6 AsAssocItem, Crate, MacroDef, ModuleDef, Semantics,
7};
5use syntax::{ast, AstNode, SyntaxKind::NAME}; 8use syntax::{ast, AstNode, SyntaxKind::NAME};
6 9
7use crate::{ 10use crate::{
@@ -12,69 +15,84 @@ use crate::{
12use either::Either; 15use either::Either;
13use rustc_hash::FxHashSet; 16use rustc_hash::FxHashSet;
14 17
15const QUERY_SEARCH_LIMIT: usize = 40; 18pub(crate) const DEFAULT_QUERY_SEARCH_LIMIT: usize = 40;
16 19
17pub fn find_exact_imports<'a>( 20pub fn find_exact_imports<'a>(
18 sema: &Semantics<'a, RootDatabase>, 21 sema: &Semantics<'a, RootDatabase>,
19 krate: Crate, 22 krate: Crate,
20 name_to_import: String, 23 name_to_import: String,
21) -> impl Iterator<Item = Either<ModuleDef, MacroDef>> { 24) -> Box<dyn Iterator<Item = Either<ModuleDef, MacroDef>>> {
22 let _p = profile::span("find_exact_imports"); 25 let _p = profile::span("find_exact_imports");
23 find_imports( 26 Box::new(find_imports(
24 sema, 27 sema,
25 krate, 28 krate,
26 { 29 {
27 let mut local_query = symbol_index::Query::new(name_to_import.clone()); 30 let mut local_query = symbol_index::Query::new(name_to_import.clone());
28 local_query.exact(); 31 local_query.exact();
29 local_query.limit(QUERY_SEARCH_LIMIT); 32 local_query.limit(DEFAULT_QUERY_SEARCH_LIMIT);
30 local_query 33 local_query
31 }, 34 },
32 import_map::Query::new(name_to_import) 35 import_map::Query::new(name_to_import)
33 .limit(QUERY_SEARCH_LIMIT) 36 .limit(DEFAULT_QUERY_SEARCH_LIMIT)
34 .name_only() 37 .name_only()
35 .search_mode(import_map::SearchMode::Equals) 38 .search_mode(import_map::SearchMode::Equals)
36 .case_sensitive(), 39 .case_sensitive(),
37 ) 40 ))
41}
42
43pub enum AssocItemSearch {
44 Include,
45 Exclude,
46 AssocItemsOnly,
38} 47}
39 48
40pub fn find_similar_imports<'a>( 49pub fn find_similar_imports<'a>(
41 sema: &Semantics<'a, RootDatabase>, 50 sema: &Semantics<'a, RootDatabase>,
42 krate: Crate, 51 krate: Crate,
43 limit: Option<usize>,
44 fuzzy_search_string: String, 52 fuzzy_search_string: String,
45 ignore_assoc_items: bool, 53 assoc_item_search: AssocItemSearch,
46 name_only: bool, 54 limit: Option<usize>,
47) -> impl Iterator<Item = Either<ModuleDef, MacroDef>> + 'a { 55) -> Box<dyn Iterator<Item = Either<ModuleDef, MacroDef>> + 'a> {
48 let _p = profile::span("find_similar_imports"); 56 let _p = profile::span("find_similar_imports");
49 57
50 let mut external_query = import_map::Query::new(fuzzy_search_string.clone()) 58 let mut external_query = import_map::Query::new(fuzzy_search_string.clone())
51 .search_mode(import_map::SearchMode::Fuzzy); 59 .search_mode(import_map::SearchMode::Fuzzy)
52 if name_only { 60 .name_only();
53 external_query = external_query.name_only(); 61
62 match assoc_item_search {
63 AssocItemSearch::Include => {}
64 AssocItemSearch::Exclude => {
65 external_query = external_query.exclude_import_kind(ImportKind::AssociatedItem);
66 }
67 AssocItemSearch::AssocItemsOnly => {
68 external_query = external_query.assoc_items_only();
69 }
54 } 70 }
55 71
56 let mut local_query = symbol_index::Query::new(fuzzy_search_string); 72 let mut local_query = symbol_index::Query::new(fuzzy_search_string);
57 73
58 if let Some(limit) = limit { 74 if let Some(limit) = limit {
59 local_query.limit(limit);
60 external_query = external_query.limit(limit); 75 external_query = external_query.limit(limit);
76 local_query.limit(limit);
61 } 77 }
62 78
63 let db = sema.db; 79 let db = sema.db;
64 find_imports(sema, krate, local_query, external_query).filter(move |import_candidate| { 80 Box::new(find_imports(sema, krate, local_query, external_query).filter(
65 if ignore_assoc_items { 81 move |import_candidate| match assoc_item_search {
66 match import_candidate { 82 AssocItemSearch::Include => true,
67 Either::Left(ModuleDef::Function(function)) => function.as_assoc_item(db).is_none(), 83 AssocItemSearch::Exclude => !is_assoc_item(import_candidate, db),
68 Either::Left(ModuleDef::Const(const_)) => const_.as_assoc_item(db).is_none(), 84 AssocItemSearch::AssocItemsOnly => is_assoc_item(import_candidate, db),
69 Either::Left(ModuleDef::TypeAlias(type_alias)) => { 85 },
70 type_alias.as_assoc_item(db).is_none() 86 ))
71 } 87}
72 _ => true, 88
73 } 89fn is_assoc_item(import_candidate: &Either<ModuleDef, MacroDef>, db: &RootDatabase) -> bool {
74 } else { 90 match import_candidate {
75 true 91 Either::Left(ModuleDef::Function(function)) => function.as_assoc_item(db).is_some(),
76 } 92 Either::Left(ModuleDef::Const(const_)) => const_.as_assoc_item(db).is_some(),
77 }) 93 Either::Left(ModuleDef::TypeAlias(type_alias)) => type_alias.as_assoc_item(db).is_some(),
94 _ => false,
95 }
78} 96}
79 97
80fn find_imports<'a>( 98fn find_imports<'a>(
diff --git a/crates/parser/src/grammar/items/traits.rs b/crates/parser/src/grammar/items/traits.rs
index d076974ed..d3327271c 100644
--- a/crates/parser/src/grammar/items/traits.rs
+++ b/crates/parser/src/grammar/items/traits.rs
@@ -40,6 +40,10 @@ pub(super) fn impl_(p: &mut Parser) {
40 type_params::opt_generic_param_list(p); 40 type_params::opt_generic_param_list(p);
41 } 41 }
42 42
43 // test impl_def_const
44 // impl const Send for X {}
45 p.eat(T![const]);
46
43 // FIXME: never type 47 // FIXME: never type
44 // impl ! {} 48 // impl ! {}
45 49
diff --git a/crates/rust-analyzer/src/cli/analysis_bench.rs b/crates/rust-analyzer/src/cli/analysis_bench.rs
index a02c8327f..a01b49822 100644
--- a/crates/rust-analyzer/src/cli/analysis_bench.rs
+++ b/crates/rust-analyzer/src/cli/analysis_bench.rs
@@ -93,7 +93,7 @@ impl BenchCmd {
93 if is_completion { 93 if is_completion {
94 let options = CompletionConfig { 94 let options = CompletionConfig {
95 enable_postfix_completions: true, 95 enable_postfix_completions: true,
96 enable_autoimport_completions: true, 96 enable_imports_on_the_fly: true,
97 add_call_parenthesis: true, 97 add_call_parenthesis: true,
98 add_call_argument_snippets: true, 98 add_call_argument_snippets: true,
99 snippet_cap: SnippetCap::new(true), 99 snippet_cap: SnippetCap::new(true),
diff --git a/crates/rust-analyzer/src/config.rs b/crates/rust-analyzer/src/config.rs
index ce9655818..3ddb9e19a 100644
--- a/crates/rust-analyzer/src/config.rs
+++ b/crates/rust-analyzer/src/config.rs
@@ -559,7 +559,7 @@ impl Config {
559 pub fn completion(&self) -> CompletionConfig { 559 pub fn completion(&self) -> CompletionConfig {
560 CompletionConfig { 560 CompletionConfig {
561 enable_postfix_completions: self.data.completion_postfix_enable, 561 enable_postfix_completions: self.data.completion_postfix_enable,
562 enable_autoimport_completions: self.data.completion_autoimport_enable 562 enable_imports_on_the_fly: self.data.completion_autoimport_enable
563 && completion_item_edit_resolve(&self.caps), 563 && completion_item_edit_resolve(&self.caps),
564 add_call_parenthesis: self.data.completion_addCallParenthesis, 564 add_call_parenthesis: self.data.completion_addCallParenthesis,
565 add_call_argument_snippets: self.data.completion_addCallArgumentSnippets, 565 add_call_argument_snippets: self.data.completion_addCallArgumentSnippets,
@@ -581,18 +581,7 @@ impl Config {
581 AssistConfig { 581 AssistConfig {
582 snippet_cap: SnippetCap::new(self.experimental("snippetTextEdit")), 582 snippet_cap: SnippetCap::new(self.experimental("snippetTextEdit")),
583 allowed: None, 583 allowed: None,
584 insert_use: InsertUseConfig { 584 insert_use: self.insert_use_config(),
585 merge: match self.data.assist_importMergeBehavior {
586 MergeBehaviorDef::None => None,
587 MergeBehaviorDef::Full => Some(MergeBehavior::Full),
588 MergeBehaviorDef::Last => Some(MergeBehavior::Last),
589 },
590 prefix_kind: match self.data.assist_importPrefix {
591 ImportPrefixDef::Plain => PrefixKind::Plain,
592 ImportPrefixDef::ByCrate => PrefixKind::ByCrate,
593 ImportPrefixDef::BySelf => PrefixKind::BySelf,
594 },
595 },
596 } 585 }
597 } 586 }
598 pub fn call_info_full(&self) -> bool { 587 pub fn call_info_full(&self) -> bool {
diff --git a/crates/rust-analyzer/src/handlers.rs b/crates/rust-analyzer/src/handlers.rs
index 01748fa7c..001f3a37d 100644
--- a/crates/rust-analyzer/src/handlers.rs
+++ b/crates/rust-analyzer/src/handlers.rs
@@ -653,7 +653,7 @@ pub(crate) fn handle_completion(
653 let mut new_completion_items = 653 let mut new_completion_items =
654 to_proto::completion_item(&line_index, line_endings, item.clone()); 654 to_proto::completion_item(&line_index, line_endings, item.clone());
655 655
656 if completion_config.enable_autoimport_completions { 656 if completion_config.enable_imports_on_the_fly {
657 for new_item in &mut new_completion_items { 657 for new_item in &mut new_completion_items {
658 fill_resolve_data(&mut new_item.data, &item, &text_document_position); 658 fill_resolve_data(&mut new_item.data, &item, &text_document_position);
659 } 659 }
@@ -703,6 +703,7 @@ pub(crate) fn handle_completion_resolve(
703 FilePosition { file_id, offset }, 703 FilePosition { file_id, offset },
704 &resolve_data.full_import_path, 704 &resolve_data.full_import_path,
705 resolve_data.imported_name, 705 resolve_data.imported_name,
706 resolve_data.import_for_trait_assoc_item,
706 )? 707 )?
707 .into_iter() 708 .into_iter()
708 .flat_map(|edit| { 709 .flat_map(|edit| {
@@ -1694,6 +1695,7 @@ struct CompletionResolveData {
1694 position: lsp_types::TextDocumentPositionParams, 1695 position: lsp_types::TextDocumentPositionParams,
1695 full_import_path: String, 1696 full_import_path: String,
1696 imported_name: String, 1697 imported_name: String,
1698 import_for_trait_assoc_item: bool,
1697} 1699}
1698 1700
1699fn fill_resolve_data( 1701fn fill_resolve_data(
@@ -1710,6 +1712,7 @@ fn fill_resolve_data(
1710 position: position.to_owned(), 1712 position: position.to_owned(),
1711 full_import_path, 1713 full_import_path,
1712 imported_name, 1714 imported_name,
1715 import_for_trait_assoc_item: import_edit.import_for_trait_assoc_item,
1713 }) 1716 })
1714 .unwrap(), 1717 .unwrap(),
1715 ); 1718 );
diff --git a/crates/rust-analyzer/src/to_proto.rs b/crates/rust-analyzer/src/to_proto.rs
index 1ff2d3fea..0e3550002 100644
--- a/crates/rust-analyzer/src/to_proto.rs
+++ b/crates/rust-analyzer/src/to_proto.rs
@@ -884,7 +884,7 @@ mod tests {
884 .completions( 884 .completions(
885 &ide::CompletionConfig { 885 &ide::CompletionConfig {
886 enable_postfix_completions: true, 886 enable_postfix_completions: true,
887 enable_autoimport_completions: true, 887 enable_imports_on_the_fly: true,
888 add_call_parenthesis: true, 888 add_call_parenthesis: true,
889 add_call_argument_snippets: true, 889 add_call_argument_snippets: true,
890 snippet_cap: SnippetCap::new(true), 890 snippet_cap: SnippetCap::new(true),
diff --git a/crates/syntax/test_data/parser/inline/ok/0161_impl_def_const.rast b/crates/syntax/test_data/parser/inline/ok/0161_impl_def_const.rast
new file mode 100644
index 000000000..dcd39535b
--- /dev/null
+++ b/crates/syntax/test_data/parser/inline/ok/0161_impl_def_const.rast
@@ -0,0 +1,24 @@
1[email protected]
2 [email protected]
3 [email protected] "impl"
4 [email protected] " "
5 [email protected] "const"
6 [email protected] " "
7 [email protected]
8 [email protected]
9 [email protected]
10 [email protected]
11 [email protected] "Send"
12 [email protected] " "
13 [email protected] "for"
14 [email protected] " "
15 [email protected]
16 [email protected]
17 [email protected]
18 [email protected]
19 [email protected] "X"
20 [email protected] " "
21 [email protected]
22 [email protected] "{"
23 [email protected] "}"
24 [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/inline/ok/0161_impl_def_const.rs b/crates/syntax/test_data/parser/inline/ok/0161_impl_def_const.rs
new file mode 100644
index 000000000..8d6886469
--- /dev/null
+++ b/crates/syntax/test_data/parser/inline/ok/0161_impl_def_const.rs
@@ -0,0 +1 @@
impl const Send for X {}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 18:27:36 +0000