diff options
Diffstat (limited to 'crates/ra_ide_api/src/navigation_target.rs')
-rw-r--r-- | crates/ra_ide_api/src/navigation_target.rs | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/crates/ra_ide_api/src/navigation_target.rs b/crates/ra_ide_api/src/navigation_target.rs new file mode 100644 index 000000000..bacb7329f --- /dev/null +++ b/crates/ra_ide_api/src/navigation_target.rs | |||
@@ -0,0 +1,86 @@ | |||
1 | use ra_db::{FileId, LocalSyntaxPtr, Cancelable}; | ||
2 | use ra_syntax::{SyntaxNode, AstNode}; | ||
3 | use hir::{Name, Def, ModuleSource}; | ||
4 | |||
5 | use crate::{ | ||
6 | NavigationTarget, | ||
7 | FileSymbol, | ||
8 | db::RootDatabase, | ||
9 | }; | ||
10 | |||
11 | impl NavigationTarget { | ||
12 | pub(crate) fn from_symbol(symbol: FileSymbol) -> NavigationTarget { | ||
13 | NavigationTarget { | ||
14 | file_id: symbol.file_id, | ||
15 | name: symbol.name.clone(), | ||
16 | kind: symbol.ptr.kind(), | ||
17 | range: symbol.ptr.range(), | ||
18 | ptr: Some(symbol.ptr.clone()), | ||
19 | } | ||
20 | } | ||
21 | |||
22 | pub(crate) fn from_syntax( | ||
23 | name: Option<Name>, | ||
24 | file_id: FileId, | ||
25 | node: &SyntaxNode, | ||
26 | ) -> NavigationTarget { | ||
27 | NavigationTarget { | ||
28 | file_id, | ||
29 | name: name.map(|n| n.to_string().into()).unwrap_or("".into()), | ||
30 | kind: node.kind(), | ||
31 | range: node.range(), | ||
32 | ptr: Some(LocalSyntaxPtr::new(node)), | ||
33 | } | ||
34 | } | ||
35 | // TODO once Def::Item is gone, this should be able to always return a NavigationTarget | ||
36 | pub(crate) fn from_def(db: &RootDatabase, def: Def) -> Cancelable<Option<NavigationTarget>> { | ||
37 | Ok(match def { | ||
38 | Def::Struct(s) => { | ||
39 | let (file_id, node) = s.source(db)?; | ||
40 | Some(NavigationTarget::from_syntax( | ||
41 | s.name(db)?, | ||
42 | file_id.original_file(db), | ||
43 | node.syntax(), | ||
44 | )) | ||
45 | } | ||
46 | Def::Enum(e) => { | ||
47 | let (file_id, node) = e.source(db)?; | ||
48 | Some(NavigationTarget::from_syntax( | ||
49 | e.name(db)?, | ||
50 | file_id.original_file(db), | ||
51 | node.syntax(), | ||
52 | )) | ||
53 | } | ||
54 | Def::EnumVariant(ev) => { | ||
55 | let (file_id, node) = ev.source(db)?; | ||
56 | Some(NavigationTarget::from_syntax( | ||
57 | ev.name(db)?, | ||
58 | file_id.original_file(db), | ||
59 | node.syntax(), | ||
60 | )) | ||
61 | } | ||
62 | Def::Function(f) => { | ||
63 | let (file_id, node) = f.source(db)?; | ||
64 | let name = f.signature(db).name().clone(); | ||
65 | Some(NavigationTarget::from_syntax( | ||
66 | Some(name), | ||
67 | file_id.original_file(db), | ||
68 | node.syntax(), | ||
69 | )) | ||
70 | } | ||
71 | Def::Module(m) => { | ||
72 | let (file_id, source) = m.definition_source(db)?; | ||
73 | let name = m.name(db)?; | ||
74 | match source { | ||
75 | ModuleSource::SourceFile(node) => { | ||
76 | Some(NavigationTarget::from_syntax(name, file_id, node.syntax())) | ||
77 | } | ||
78 | ModuleSource::Module(node) => { | ||
79 | Some(NavigationTarget::from_syntax(name, file_id, node.syntax())) | ||
80 | } | ||
81 | } | ||
82 | } | ||
83 | Def::Item => None, | ||
84 | }) | ||
85 | } | ||
86 | } | ||