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
|
use crate::completion::{CompletionContext, Completions};
/// Completes constats and paths in patterns.
pub(super) fn complete_pattern(acc: &mut Completions, ctx: &CompletionContext) {
if !ctx.is_pat_binding {
return;
}
// FIXME: ideally, we should look at the type we are matching against and
// suggest variants + auto-imports
let names = ctx.analyzer.all_names(ctx.db);
for (name, res) in names.into_iter() {
let r = res.as_ref();
let def = match r.take_types().or_else(|| r.take_values()) {
Some(hir::Resolution::Def(def)) => def,
_ => continue,
};
match def {
hir::ModuleDef::Enum(..)
| hir::ModuleDef::EnumVariant(..)
| hir::ModuleDef::Const(..)
| hir::ModuleDef::Module(..) => (),
_ => continue,
}
acc.add_resolution(ctx, name.to_string(), &res)
}
}
#[cfg(test)]
mod tests {
use insta::assert_debug_snapshot_matches;
use crate::completion::{CompletionItem, CompletionKind, do_completion};
fn complete(code: &str) -> Vec<CompletionItem> {
do_completion(code, CompletionKind::Reference)
}
#[test]
fn completes_enum_variants_and_modules() {
let completions = complete(
r"
enum E { X }
use self::E::X;
const Z: E = E::X;
mod m {}
static FOO: E = E::X;
struct Bar { f: u32 }
fn foo() {
match E::X {
<|>
}
}
",
);
assert_debug_snapshot_matches!(completions, @r###"
⋮[
⋮ CompletionItem {
⋮ label: "E",
⋮ source_range: [246; 246),
⋮ delete: [246; 246),
⋮ insert: "E",
⋮ kind: Enum,
⋮ },
⋮ CompletionItem {
⋮ label: "X",
⋮ source_range: [246; 246),
⋮ delete: [246; 246),
⋮ insert: "X",
⋮ kind: EnumVariant,
⋮ },
⋮ CompletionItem {
⋮ label: "Z",
⋮ source_range: [246; 246),
⋮ delete: [246; 246),
⋮ insert: "Z",
⋮ kind: Const,
⋮ },
⋮ CompletionItem {
⋮ label: "m",
⋮ source_range: [246; 246),
⋮ delete: [246; 246),
⋮ insert: "m",
⋮ kind: Module,
⋮ },
⋮]
"###);
}
}
|
