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-rw-r--r--crates/ra_editor/src/scope/mod_scope.rs124
1 files changed, 0 insertions, 124 deletions
diff --git a/crates/ra_editor/src/scope/mod_scope.rs b/crates/ra_editor/src/scope/mod_scope.rs
deleted file mode 100644
index 818749a12..000000000
--- a/crates/ra_editor/src/scope/mod_scope.rs
+++ /dev/null
@@ -1,124 +0,0 @@
1/// FIXME: this is now moved to ra_analysis::descriptors::module::scope.
2///
3/// Current copy will be deleted as soon as we move the rest of the completion
4/// to the analyezer.
5
6
7use ra_syntax::{
8 ast::{self, AstChildren},
9 AstNode, SmolStr, SyntaxNode, SyntaxNodeRef,
10};
11
12pub struct ModuleScope {
13 entries: Vec<Entry>,
14}
15
16pub struct Entry {
17 node: SyntaxNode,
18 kind: EntryKind,
19}
20
21enum EntryKind {
22 Item,
23 Import,
24}
25
26impl ModuleScope {
27 pub fn new(items: AstChildren<ast::ModuleItem>) -> ModuleScope {
28 let mut entries = Vec::new();
29 for item in items {
30 let entry = match item {
31 ast::ModuleItem::StructDef(item) => Entry::new_item(item),
32 ast::ModuleItem::EnumDef(item) => Entry::new_item(item),
33 ast::ModuleItem::FnDef(item) => Entry::new_item(item),
34 ast::ModuleItem::ConstDef(item) => Entry::new_item(item),
35 ast::ModuleItem::StaticDef(item) => Entry::new_item(item),
36 ast::ModuleItem::TraitDef(item) => Entry::new_item(item),
37 ast::ModuleItem::TypeDef(item) => Entry::new_item(item),
38 ast::ModuleItem::Module(item) => Entry::new_item(item),
39 ast::ModuleItem::UseItem(item) => {
40 if let Some(tree) = item.use_tree() {
41 collect_imports(tree, &mut entries);
42 }
43 continue;
44 }
45 ast::ModuleItem::ExternCrateItem(_) | ast::ModuleItem::ImplItem(_) => continue,
46 };
47 entries.extend(entry)
48 }
49
50 ModuleScope { entries }
51 }
52
53 pub fn entries(&self) -> &[Entry] {
54 self.entries.as_slice()
55 }
56}
57
58impl Entry {
59 fn new_item<'a>(item: impl ast::NameOwner<'a>) -> Option<Entry> {
60 let name = item.name()?;
61 Some(Entry {
62 node: name.syntax().owned(),
63 kind: EntryKind::Item,
64 })
65 }
66 fn new_import(path: ast::Path) -> Option<Entry> {
67 let name_ref = path.segment()?.name_ref()?;
68 Some(Entry {
69 node: name_ref.syntax().owned(),
70 kind: EntryKind::Import,
71 })
72 }
73 pub fn name(&self) -> SmolStr {
74 match self.kind {
75 EntryKind::Item => ast::Name::cast(self.node.borrowed()).unwrap().text(),
76 EntryKind::Import => ast::NameRef::cast(self.node.borrowed()).unwrap().text(),
77 }
78 }
79 pub fn syntax(&self) -> SyntaxNodeRef {
80 self.node.borrowed()
81 }
82}
83
84fn collect_imports(tree: ast::UseTree, acc: &mut Vec<Entry>) {
85 if let Some(use_tree_list) = tree.use_tree_list() {
86 return use_tree_list
87 .use_trees()
88 .for_each(|it| collect_imports(it, acc));
89 }
90 if let Some(path) = tree.path() {
91 acc.extend(Entry::new_import(path));
92 }
93}
94
95#[cfg(test)]
96mod tests {
97 use super::*;
98 use ra_syntax::{ast::ModuleItemOwner, File};
99
100 fn do_check(code: &str, expected: &[&str]) {
101 let file = File::parse(&code);
102 let scope = ModuleScope::new(file.ast().items());
103 let actual = scope.entries.iter().map(|it| it.name()).collect::<Vec<_>>();
104 assert_eq!(expected, actual.as_slice());
105 }
106
107 #[test]
108 fn test_module_scope() {
109 do_check(
110 "
111 struct Foo;
112 enum Bar {}
113 mod baz {}
114 fn quux() {}
115 use x::{
116 y::z,
117 t,
118 };
119 type T = ();
120 ",
121 &["Foo", "Bar", "baz", "quux", "z", "t", "T"],
122 )
123 }
124}