1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
use either::Either;
use hir::{
import_map::{self, ImportKind},
symbols::FileSymbol,
AsAssocItem, Crate, ItemInNs, Semantics,
};
use limit::Limit;
use syntax::{ast, AstNode, SyntaxKind::NAME};
use crate::{
defs::{Definition, NameClass},
imports::import_assets::NameToImport,
symbol_index, RootDatabase,
};
pub static DEFAULT_QUERY_SEARCH_LIMIT: Limit = Limit::new(40);
#[derive(Debug, Clone, Copy)]
pub enum AssocItemSearch {
Include,
Exclude,
AssocItemsOnly,
}
pub fn items_with_name<'a>(
sema: &'a Semantics<'_, RootDatabase>,
krate: Crate,
name: NameToImport,
assoc_item_search: AssocItemSearch,
limit: Option<usize>,
) -> impl Iterator<Item = ItemInNs> + 'a {
let _p = profile::span("items_with_name").detail(|| {
format!(
"Name: {}, crate: {:?}, assoc items: {:?}, limit: {:?}",
name.text(),
assoc_item_search,
krate.display_name(sema.db).map(|name| name.to_string()),
limit,
)
});
let (mut local_query, mut external_query) = match name {
NameToImport::Exact(exact_name, case_sensitive) => {
let mut local_query = symbol_index::Query::new(exact_name.clone());
local_query.exact();
let external_query = import_map::Query::new(exact_name)
.name_only()
.search_mode(import_map::SearchMode::Equals);
(
local_query,
if case_sensitive { external_query.case_sensitive() } else { external_query },
)
}
NameToImport::Fuzzy(fuzzy_search_string) => {
let mut local_query = symbol_index::Query::new(fuzzy_search_string.clone());
let mut external_query = import_map::Query::new(fuzzy_search_string.clone())
.search_mode(import_map::SearchMode::Fuzzy)
.name_only();
match assoc_item_search {
AssocItemSearch::Include => {}
AssocItemSearch::Exclude => {
external_query = external_query.exclude_import_kind(ImportKind::AssociatedItem);
}
AssocItemSearch::AssocItemsOnly => {
external_query = external_query.assoc_items_only();
}
}
if fuzzy_search_string.to_lowercase() != fuzzy_search_string {
local_query.case_sensitive();
external_query = external_query.case_sensitive();
}
(local_query, external_query)
}
};
if let Some(limit) = limit {
external_query = external_query.limit(limit);
local_query.limit(limit);
}
find_items(sema, krate, assoc_item_search, local_query, external_query)
}
fn find_items<'a>(
sema: &'a Semantics<'_, RootDatabase>,
krate: Crate,
assoc_item_search: AssocItemSearch,
local_query: symbol_index::Query,
external_query: import_map::Query,
) -> impl Iterator<Item = ItemInNs> + 'a {
let _p = profile::span("find_items");
let db = sema.db;
let external_importables =
krate.query_external_importables(db, external_query).map(|external_importable| {
match external_importable {
Either::Left(module_def) => ItemInNs::from(module_def),
Either::Right(macro_def) => ItemInNs::from(macro_def),
}
});
let local_results = symbol_index::crate_symbols(db, krate.into(), local_query)
.into_iter()
.filter_map(move |local_candidate| get_name_definition(sema, &local_candidate))
.filter_map(|name_definition_to_import| match name_definition_to_import {
Definition::Macro(macro_def) => Some(ItemInNs::from(macro_def)),
def => <Option<_>>::from(def),
});
external_importables.chain(local_results).filter(move |&item| match assoc_item_search {
AssocItemSearch::Include => true,
AssocItemSearch::Exclude => !is_assoc_item(item, sema.db),
AssocItemSearch::AssocItemsOnly => is_assoc_item(item, sema.db),
})
}
fn get_name_definition(
sema: &Semantics<'_, RootDatabase>,
import_candidate: &FileSymbol,
) -> Option<Definition> {
let _p = profile::span("get_name_definition");
let candidate_node = import_candidate.loc.syntax(sema)?;
let candidate_name_node = if candidate_node.kind() != NAME {
candidate_node.children().find(|it| it.kind() == NAME)?
} else {
candidate_node
};
let name = ast::Name::cast(candidate_name_node)?;
NameClass::classify(sema, &name)?.defined()
}
fn is_assoc_item(item: ItemInNs, db: &RootDatabase) -> bool {
item.as_module_def().and_then(|module_def| module_def.as_assoc_item(db)).is_some()
}