ide_completion/completions/
ra_fixture.rs

1//! Injected completions for `#[rust_analyzer::rust_fixture]`.
2
3use hir::FilePositionWrapper;
4use ide_db::{
5    impl_empty_upmap_from_ra_fixture,
6    ra_fixture::{RaFixtureAnalysis, UpmapFromRaFixture},
7};
8use syntax::ast;
9
10use crate::{
11    CompletionItemKind, CompletionItemRefMode, CompletionRelevance, completions::Completions,
12    context::CompletionContext, item::CompletionItemLabel,
13};
14
15pub(crate) fn complete_ra_fixture(
16    acc: &mut Completions,
17    ctx: &CompletionContext<'_>,
18    original: &ast::String,
19    expanded: &ast::String,
20) -> Option<()> {
21    let analysis = RaFixtureAnalysis::analyze_ra_fixture(
22        &ctx.sema,
23        original.clone(),
24        expanded,
25        ctx.config.minicore,
26        &mut |_| {},
27    )?;
28    let (virtual_file_id, virtual_offset) = analysis.map_offset_down(ctx.position.offset)?;
29    let completions = hir::attach_db_allow_change(&analysis.db, || {
30        crate::completions(
31            &analysis.db,
32            ctx.config,
33            FilePositionWrapper { file_id: virtual_file_id, offset: virtual_offset },
34            ctx.trigger_character,
35        )
36    })?;
37    let completions =
38        completions.upmap_from_ra_fixture(&analysis, virtual_file_id, ctx.position.file_id).ok()?;
39    acc.add_many(completions);
40    Some(())
41}
42
43impl_empty_upmap_from_ra_fixture!(
44    CompletionItemLabel,
45    CompletionItemKind,
46    CompletionRelevance,
47    CompletionItemRefMode,
48);
49
50#[cfg(test)]
51mod tests {
52    use expect_test::expect;
53
54    use crate::tests::check;
55
56    #[test]
57    fn it_works() {
58        check(
59            r##"
60fn fixture(#[rust_analyzer::rust_fixture] ra_fixture: &str) {}
61
62fn foo() {
63    fixture(r#"
64fn complete_me() {}
65
66fn baz() {
67    let foo_bar_baz = 123;
68    f$0
69}
70    "#);
71}
72        "##,
73            expect![[r#"
74                fn baz()         fn()
75                fn complete_me() fn()
76                lc foo_bar_baz    i32
77                bt u32            u32
78                kw async
79                kw const
80                kw crate::
81                kw enum
82                kw extern
83                kw false
84                kw fn
85                kw for
86                kw if
87                kw if let
88                kw impl
89                kw impl for
90                kw let
91                kw letm
92                kw loop
93                kw match
94                kw mod
95                kw return
96                kw self::
97                kw static
98                kw struct
99                kw trait
100                kw true
101                kw type
102                kw union
103                kw unsafe
104                kw use
105                kw while
106                kw while let
107                sn macro_rules
108                sn pd
109                sn ppd
110            "#]],
111        );
112    }
113}
ide_completion/completions/ra_fixture.rs

ide_completion/completions/
ra_fixture.rs
