move SyntaxPtr to ra_syntax

1 files changed, 0 insertions, 52 deletions

diff --git a/crates/ra_db/src/syntax_ptr.rs b/crates/ra_db/src/syntax_ptr.rs
deleted file mode 100644
index 5270826da..000000000
--- a/crates/ra_db/src/syntax_ptr.rs
+++ /dev/null
@@ -1,52 +0,0 @@
-use ra_syntax::{AstNode, SourceFile, SyntaxKind, SyntaxNode, TextRange, TreeArc};
-
-/// A pointer to a syntax node inside a file.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct LocalSyntaxPtr {
-    range: TextRange,
-    kind: SyntaxKind,
-}
-
-impl LocalSyntaxPtr {
-    pub fn new(node: &SyntaxNode) -> LocalSyntaxPtr {
-        LocalSyntaxPtr {
-            range: node.range(),
-            kind: node.kind(),
-        }
-    }
-
-    pub fn resolve(self, file: &SourceFile) -> TreeArc<SyntaxNode> {
-        let mut curr = file.syntax();
-        loop {
-            if curr.range() == self.range && curr.kind() == self.kind {
-                return curr.to_owned();
-            }
-            curr = curr
-                .children()
-                .find(|it| self.range.is_subrange(&it.range()))
-                .unwrap_or_else(|| panic!("can't resolve local ptr to SyntaxNode: {:?}", self))
-        }
-    }
-
-    pub fn range(self) -> TextRange {
-        self.range
-    }
-
-    pub fn kind(self) -> SyntaxKind {
-        self.kind
-    }
-}
-
-#[test]
-fn test_local_syntax_ptr() {
-    use ra_syntax::{ast, AstNode};
-    let file = SourceFile::parse("struct Foo { f: u32, }");
-    let field = file
-        .syntax()
-        .descendants()
-        .find_map(ast::NamedFieldDef::cast)
-        .unwrap();
-    let ptr = LocalSyntaxPtr::new(field.syntax());
-    let field_syntax = ptr.resolve(&file);
-    assert_eq!(field.syntax(), &*field_syntax);
-}