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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
pub enum SearchScope {
Function(hir::Function),
Module(hir::Module),
Crate(hir::Crate),
Crates(Vec<hir::Crate>),
}
pub struct SearchScope{
pub scope: Vec<SyntaxNode>
}
pub fn find_all_refs(db: &RootDatabase, decl: NameKind) -> Vec<ReferenceDescriptor> {
let (module, visibility) = match decl {
FieldAccess(field) => {
let parent = field.parent_def(db);
let module = parent.module(db);
let visibility = match parent {
VariantDef::Struct(s) => s.source(db).ast.visibility(),
VariantDef::EnumVariant(v) => v.parent_enum(db).source(db).ast.visibility(),
};
(module, visibility)
}
AssocItem(item) => {
let parent = item.parent_trait(db)?;
let module = parent.module(db);
let visibility = parent.source(db).ast.visibility();
(module, visibility)
}
Def(def) => {
let (module, visibility) = match def {
ModuleDef::Module(m) => (m, ),
ModuleDef::Function(f) => (f.module(db), f.source(db).ast.visibility()),
ModuleDef::Adt::Struct(s) => (s.module(db), s.source(db).ast.visibility()),
ModuleDef::Adt::Union(u) => (u.module(db), u.source(db).ast.visibility()),
ModuleDef::Adt::Enum(e) => (e.module(db), e.source(db).ast.visibility()),
ModuleDef::EnumVariant(v) => (v.module(db), v.source(db).ast.visibility()),
ModuleDef::Const(c) => (c.module(db), c.source(db).ast.visibility()),
ModuleDef::Static(s) => (s.module(db), s.source(db).ast.visibility()),
ModuleDef::Trait(t) => (t.module(db), t.source(db).ast.visibility()),
ModuleDef::TypeAlias(a) => (a.module(db), a.source(db).ast.visibility()),
ModuleDef::BuiltinType(_) => return vec![];
};
(module, visibility)
}
// FIXME: add missing kinds
_ => return vec![];
};
let scope = scope(db, module, visibility);
}
fn scope(db: &RootDatabase, module: hir::Module, item_vis: Option<ast::Visibility>) -> SearchScope {
if let Some(v) = item_vis {
let krate = module.krate(db)?;
if v.syntax().text() == "pub" {
SearchScope::Crate(krate)
}
if v.syntax().text() == "pub(crate)" {
let crate_graph = db.crate_graph();
let crates = crate_graph.iter().filter(|id| {
crate_graph.dependencies(id).any(|d| d.crate_id() == krate.crate_id())
}).map(|id| Crate { id }).collect::<Vec<_>>();
crates.insert(0, krate);
SearchScope::Crates(crates)
}
// FIXME: "pub(super)", "pub(in path)"
SearchScope::Module(module)
}
SearchScope::Module(module)
}
fn process_one(db, scope: SearchScope, pat) {
match scope {
SearchScope::Crate(krate) => {
let text = db.file_text(position.file_id).as_str();
let parse = SourceFile::parse(text);
for (offset, name) in text.match_indices(pat) {
if let Some() = find_node_at_offset<ast::NameRef>(parse, offset) {
}
}
}
}
}
#[cfg(test)]
mod tests {
use crate::{
mock_analysis::analysis_and_position, mock_analysis::single_file_with_position, FileId,
ReferenceSearchResult,
};
use insta::assert_debug_snapshot;
use test_utils::assert_eq_text;
#[test]
fn test_find_all_refs_for_local() {
let code = r#"
fn main() {
let mut i = 1;
let j = 1;
i = i<|> + j;
{
i = 0;
}
i = 5;
}
"#;
let refs = get_all_refs(code);
assert_eq!(refs.len(), 5);
}
#[test]
fn test_find_all_refs_for_param_inside() {
let code = r#"
fn foo(i : u32) -> u32 {
i<|>
}"#;
let refs = get_all_refs(code);
assert_eq!(refs.len(), 2);
}
#[test]
fn test_find_all_refs_for_fn_param() {
let code = r#"
fn foo(i<|> : u32) -> u32 {
i
}"#;
let refs = get_all_refs(code);
assert_eq!(refs.len(), 2);
}
#[test]
fn test_find_all_refs_field_name() {
let code = r#"
//- /lib.rs
struct Foo {
spam<|>: u32,
}
"#;
let refs = get_all_refs(code);
assert_eq!(refs.len(), 1);
}
#[test]
fn test_find_all_refs_methods() {
let code = r#"
//- /lib.rs
struct Foo;
impl Foo {
pub fn a() {
self.b()
}
fn b(&self) {}
}
"#;
let refs = get_all_refs(code);
assert_eq!(refs.len(), 1);
}
#[test]
fn test_find_all_refs_pub_enum() {
let code = r#"
//- /lib.rs
pub enum Foo {
A,
B<|>,
C,
}
"#;
let refs = get_all_refs(code);
assert_eq!(refs.len(), 1);
}
fn get_all_refs(text: &str) -> ReferenceSearchResult {
let (analysis, position) = single_file_with_position(text);
analysis.find_all_refs(position).unwrap().unwrap()
}
}
|
