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-rw-r--r--crates/ra_editor/src/symbols.rs55
1 files changed, 55 insertions, 0 deletions
diff --git a/crates/ra_editor/src/symbols.rs b/crates/ra_editor/src/symbols.rs
index 6d3b0514a..9e25decfb 100644
--- a/crates/ra_editor/src/symbols.rs
+++ b/crates/ra_editor/src/symbols.rs
@@ -50,6 +50,61 @@ impl FileSymbol {
50 }) 50 })
51 .nth(0) 51 .nth(0)
52 } 52 }
53 /// Get a description of this node.
54 ///
55 /// e.g. `struct Name`, `enum Name`, `fn Name`
56 pub fn description(&self, file: &SourceFileNode) -> Option<String> {
57 // TODO: After type inference is done, add type information to improve the output
58 file.syntax()
59 .descendants()
60 .filter(|node| node.kind() == self.kind && node.range() == self.node_range)
61 .filter_map(|node: SyntaxNodeRef| {
62 // TODO: Refactor to be have less repetition
63 visitor()
64 .visit(|node: ast::FnDef| {
65 let mut string = "fn ".to_string();
66 node.name()?.syntax().text().push_to(&mut string);
67 Some(string)
68 })
69 .visit(|node: ast::StructDef| {
70 let mut string = "struct ".to_string();
71 node.name()?.syntax().text().push_to(&mut string);
72 Some(string)
73 })
74 .visit(|node: ast::EnumDef| {
75 let mut string = "enum ".to_string();
76 node.name()?.syntax().text().push_to(&mut string);
77 Some(string)
78 })
79 .visit(|node: ast::TraitDef| {
80 let mut string = "trait ".to_string();
81 node.name()?.syntax().text().push_to(&mut string);
82 Some(string)
83 })
84 .visit(|node: ast::Module| {
85 let mut string = "mod ".to_string();
86 node.name()?.syntax().text().push_to(&mut string);
87 Some(string)
88 })
89 .visit(|node: ast::TypeDef| {
90 let mut string = "type ".to_string();
91 node.name()?.syntax().text().push_to(&mut string);
92 Some(string)
93 })
94 .visit(|node: ast::ConstDef| {
95 let mut string = "const ".to_string();
96 node.name()?.syntax().text().push_to(&mut string);
97 Some(string)
98 })
99 .visit(|node: ast::StaticDef| {
100 let mut string = "static ".to_string();
101 node.name()?.syntax().text().push_to(&mut string);
102 Some(string)
103 })
104 .accept(node)?
105 })
106 .nth(0)
107 }
53} 108}
54 109
55pub fn file_symbols(file: &SourceFileNode) -> Vec<FileSymbol> { 110pub fn file_symbols(file: &SourceFileNode) -> Vec<FileSymbol> {