1 files changed, 0 insertions, 113 deletions

diff --git a/crates/libsyntax2/src/yellow/red.rs b/crates/libsyntax2/src/yellow/red.rs
deleted file mode 100644
index 84cfe4fba..000000000
--- a/crates/libsyntax2/src/yellow/red.rs
+++ /dev/null
@@ -1,113 +0,0 @@
-use parking_lot::RwLock;
-use {yellow::{GreenNode, RedPtr}, TextUnit};
-
-#[derive(Debug)]
-pub(crate) struct RedNode {
-    green: GreenNode,
-    parent: Option<ParentData>,
-    children: RwLock<Box<[RedChild]>>,
-}
-
-#[derive(Debug)]
-enum RedChild {
-    Zigot(TextUnit),
-    Child(RedNode)
-}
-
-impl RedChild {
-    fn set(&mut self, node: RedNode) -> &RedNode {
-        match self {
-            RedChild::Child(node) => return node,
-            RedChild::Zigot(_) => {
-                *self = RedChild::Child(node);
-                match self {
-                    RedChild::Child(node) => return node,
-                    RedChild::Zigot(_) => unreachable!()
-                }
-            }
-        }
-    }
-}
-
-#[derive(Debug)]
-struct ParentData {
-    parent: RedPtr,
-    start_offset: TextUnit,
-    index_in_parent: usize,
-}
-
-impl RedNode {
-    pub fn new_root(green: GreenNode) -> RedNode {
-        RedNode::new(green, None)
-    }
-
-    fn new_child(
-        green: GreenNode,
-        parent: RedPtr,
-        start_offset: TextUnit,
-        index_in_parent: usize,
-    ) -> RedNode {
-        let parent_data = ParentData {
-            parent,
-            start_offset,
-            index_in_parent,
-        };
-        RedNode::new(green, Some(parent_data))
-    }
-
-    fn new(green: GreenNode, parent: Option<ParentData>) -> RedNode {
-        let mut start_offset = parent.as_ref().map(|it| it.start_offset).unwrap_or(0.into());
-        let children = green.children()
-            .iter()
-            .map(|child| {
-                let off = start_offset;
-                start_offset += child.text_len();
-                RedChild::Zigot(off)
-            })
-            .collect::<Vec<_>>()
-            .into_boxed_slice();
-        RedNode {
-            green,
-            parent,
-            children: RwLock::new(children),
-        }
-    }
-
-    pub(crate) fn green(&self) -> &GreenNode {
-        &self.green
-    }
-
-    pub(crate) fn start_offset(&self) -> TextUnit {
-        match &self.parent {
-            None => 0.into(),
-            Some(p) => p.start_offset,
-        }
-    }
-
-    pub(crate) fn n_children(&self) -> usize {
-        self.green.children().len()
-    }
-
-    pub(crate) fn get_child(&self, idx: usize) -> Option<RedPtr> {
-        if idx >= self.n_children() {
-            return None;
-        }
-        let start_offset = match &self.children.read()[idx] {
-            RedChild::Child(child) => return Some(RedPtr::new(child)),
-            RedChild::Zigot(start_offset) => *start_offset,
-        };
-        let green_children = self.green.children();
-        let child =
-            RedNode::new_child(green_children[idx].clone(), RedPtr::new(self), start_offset, idx);
-        let mut children = self.children.write();
-        let child = children[idx].set(child);
-        Some(RedPtr::new(child))
-    }
-
-    pub(crate) fn parent(&self) -> Option<RedPtr> {
-        Some(self.parent.as_ref()?.parent)
-    }
-    pub(crate) fn index_in_parent(&self) -> Option<usize> {
-        Some(self.parent.as_ref()?.index_in_parent)
-    }
-}