1 files changed, 0 insertions, 167 deletions

diff --git a/crates/libeditor/src/symbols.rs b/crates/libeditor/src/symbols.rs
deleted file mode 100644
index 2f9cc9233..000000000
--- a/crates/libeditor/src/symbols.rs
+++ /dev/null
@@ -1,167 +0,0 @@
-use libsyntax2::{
-    SyntaxKind, SyntaxNodeRef, AstNode, File, SmolStr,
-    ast::{self, NameOwner},
-    algo::{
-        visit::{visitor, Visitor},
-        walk::{walk, WalkEvent, preorder},
-    },
-};
-use TextRange;
-
-#[derive(Debug, Clone)]
-pub struct StructureNode {
-    pub parent: Option<usize>,
-    pub label: String,
-    pub navigation_range: TextRange,
-    pub node_range: TextRange,
-    pub kind: SyntaxKind,
-}
-
-#[derive(Debug, Clone, Hash)]
-pub struct FileSymbol {
-    pub name: SmolStr,
-    pub node_range: TextRange,
-    pub kind: SyntaxKind,
-}
-
-pub fn file_symbols(file: &File) -> Vec<FileSymbol> {
-    preorder(file.syntax())
-        .filter_map(to_symbol)
-        .collect()
-}
-
-fn to_symbol(node: SyntaxNodeRef) -> Option<FileSymbol> {
-    fn decl<'a, N: NameOwner<'a>>(node: N) -> Option<FileSymbol> {
-        let name = node.name()?;
-        Some(FileSymbol {
-            name: name.text(),
-            node_range: node.syntax().range(),
-            kind: node.syntax().kind(),
-        })
-    }
-    visitor()
-        .visit(decl::<ast::FnDef>)
-        .visit(decl::<ast::StructDef>)
-        .visit(decl::<ast::EnumDef>)
-        .visit(decl::<ast::TraitDef>)
-        .visit(decl::<ast::Module>)
-        .visit(decl::<ast::TypeDef>)
-        .visit(decl::<ast::ConstDef>)
-        .visit(decl::<ast::StaticDef>)
-        .accept(node)?
-}
-
-
-pub fn file_structure(file: &File) -> Vec<StructureNode> {
-    let mut res = Vec::new();
-    let mut stack = Vec::new();
-
-    for event in walk(file.syntax()) {
-        match event {
-            WalkEvent::Enter(node) => {
-                match structure_node(node) {
-                    Some(mut symbol) => {
-                        symbol.parent = stack.last().map(|&n| n);
-                        stack.push(res.len());
-                        res.push(symbol);
-                    }
-                    None => (),
-                }
-            }
-            WalkEvent::Exit(node) => {
-                if structure_node(node).is_some() {
-                    stack.pop().unwrap();
-                }
-            }
-        }
-    }
-    res
-}
-
-fn structure_node(node: SyntaxNodeRef) -> Option<StructureNode> {
-    fn decl<'a, N: NameOwner<'a>>(node: N) -> Option<StructureNode> {
-        let name = node.name()?;
-        Some(StructureNode {
-            parent: None,
-            label: name.text().to_string(),
-            navigation_range: name.syntax().range(),
-            node_range: node.syntax().range(),
-            kind: node.syntax().kind(),
-        })
-    }
-
-    visitor()
-        .visit(decl::<ast::FnDef>)
-        .visit(decl::<ast::StructDef>)
-        .visit(decl::<ast::NamedFieldDef>)
-        .visit(decl::<ast::EnumDef>)
-        .visit(decl::<ast::TraitDef>)
-        .visit(decl::<ast::Module>)
-        .visit(decl::<ast::TypeDef>)
-        .visit(decl::<ast::ConstDef>)
-        .visit(decl::<ast::StaticDef>)
-        .visit(|im: ast::ImplItem| {
-            let target_type = im.target_type()?;
-            let target_trait = im.target_trait();
-            let label = match target_trait {
-                None => format!("impl {}", target_type.syntax().text()),
-                Some(t) => format!(
-                    "impl {} for {}",
-                    t.syntax().text(),
-                    target_type.syntax().text(),
-                ),
-            };
-
-            let node = StructureNode {
-                parent: None,
-                label,
-                navigation_range: target_type.syntax().range(),
-                node_range: im.syntax().range(),
-                kind: im.syntax().kind(),
-            };
-            Some(node)
-        })
-        .accept(node)?
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use test_utils::assert_eq_dbg;
-
-    #[test]
-    fn test_file_structure() {
-        let file = File::parse(r#"
-struct Foo {
-    x: i32
-}
-
-mod m {
-    fn bar() {}
-}
-
-enum E { X, Y(i32) }
-type T = ();
-static S: i32 = 92;
-const C: i32 = 92;
-
-impl E {}
-
-impl fmt::Debug for E {}
-"#);
-        let symbols = file_structure(&file);
-        assert_eq_dbg(
-            r#"[StructureNode { parent: None, label: "Foo", navigation_range: [8; 11), node_range: [1; 26), kind: STRUCT_DEF },
-                StructureNode { parent: Some(0), label: "x", navigation_range: [18; 19), node_range: [18; 24), kind: NAMED_FIELD_DEF },
-                StructureNode { parent: None, label: "m", navigation_range: [32; 33), node_range: [28; 53), kind: MODULE },
-                StructureNode { parent: Some(2), label: "bar", navigation_range: [43; 46), node_range: [40; 51), kind: FN_DEF },
-                StructureNode { parent: None, label: "E", navigation_range: [60; 61), node_range: [55; 75), kind: ENUM_DEF },
-                StructureNode { parent: None, label: "T", navigation_range: [81; 82), node_range: [76; 88), kind: TYPE_DEF },
-                StructureNode { parent: None, label: "S", navigation_range: [96; 97), node_range: [89; 108), kind: STATIC_DEF },
-                StructureNode { parent: None, label: "C", navigation_range: [115; 116), node_range: [109; 127), kind: CONST_DEF },
-                StructureNode { parent: None, label: "impl E", navigation_range: [134; 135), node_range: [129; 138), kind: IMPL_ITEM },
-                StructureNode { parent: None, label: "impl fmt::Debug for E", navigation_range: [160; 161), node_range: [140; 164), kind: IMPL_ITEM }]"#,
-            &symbols,
-        )
-    }
-}