4 files changed, 36 insertions, 0 deletions

diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
index 87eb34ba..dd40421f 100644
--- a/helix-view/src/document.rs
+++ b/helix-view/src/document.rs
@@ -13,6 +13,7 @@ use crate::{DocumentId, ViewId};
 
 use std::collections::HashMap;
 
+#[cfg_attr(feature = "debug", derive(Debug))]
 #[derive(Copy, Clone, PartialEq, Eq, Hash)]
 pub enum Mode {
     Normal,
@@ -52,6 +53,31 @@ pub struct Document {
     language_server: Option<Arc<helix_lsp::Client>>,
 }
 
+#[cfg(feature = "debug")]
+use std::fmt;
+#[cfg(feature = "debug")]
+impl fmt::Debug for Document {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("Document")
+            .field("id", &self.id)
+            .field("text", &self.text)
+            .field("selections", &self.selections)
+            .field("path", &self.path)
+            .field("mode", &self.mode)
+            .field("restore_cursor", &self.restore_cursor)
+            .field("syntax", &self.syntax)
+            .field("language", &self.language)
+            .field("changes", &self.changes)
+            .field("old_state", &self.old_state)
+            // .field("history", &self.history)
+            .field("last_saved_revision", &self.last_saved_revision)
+            .field("version", &self.version)
+            .field("diagnostics", &self.diagnostics)
+            // .field("language_server", &self.language_server)
+            .finish_non_exhaustive()
+    }
+}
+
 /// Like std::mem::replace() except it allows the replacement value to be mapped from the
 /// original value.
 fn take_with<T, F>(mut_ref: &mut T, closure: F)
diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs
index 3e91921b..deb7795c 100644
--- a/helix-view/src/editor.rs
+++ b/helix-view/src/editor.rs
@@ -9,6 +9,7 @@ use anyhow::Error;
 
 pub use helix_core::diagnostic::Severity;
 
+#[cfg_attr(feature = "debug", derive(Debug))]
 pub struct Editor {
     pub tree: Tree,
     pub documents: SlotMap<DocumentId, Document>,
@@ -20,6 +21,7 @@ pub struct Editor {
     pub status_msg: Option<(String, Severity)>,
 }
 
+#[cfg_attr(feature = "debug", derive(Debug))]
 #[derive(Copy, Clone)]
 pub enum Action {
     Replace,
diff --git a/helix-view/src/tree.rs b/helix-view/src/tree.rs
index 5b56156f..b5eb5d87 100644
--- a/helix-view/src/tree.rs
+++ b/helix-view/src/tree.rs
@@ -4,6 +4,7 @@ use tui::layout::Rect;
 
 // the dimensions are recomputed on windo resize/tree change.
 //
+#[cfg_attr(feature = "debug", derive(Debug))]
 pub struct Tree {
     root: ViewId,
     // (container, index inside the container)
@@ -17,11 +18,13 @@ pub struct Tree {
     stack: Vec<(ViewId, Rect)>,
 }
 
+#[cfg_attr(feature = "debug", derive(Debug))]
 pub struct Node {
     parent: ViewId,
     content: Content,
 }
 
+#[cfg_attr(feature = "debug", derive(Debug))]
 pub enum Content {
     View(Box<View>),
     Container(Box<Container>),
@@ -45,6 +48,7 @@ impl Node {
 
 // TODO: screen coord to container + container coordinate helpers
 
+#[cfg_attr(feature = "debug", derive(Debug))]
 #[derive(PartialEq, Eq)]
 pub enum Layout {
     Horizontal,
@@ -52,6 +56,7 @@ pub enum Layout {
     // could explore stacked/tabbed
 }
 
+#[cfg_attr(feature = "debug", derive(Debug))]
 pub struct Container {
     layout: Layout,
     children: Vec<ViewId>,
@@ -432,6 +437,7 @@ impl Tree {
     }
 }
 
+#[cfg_attr(feature = "debug", derive(Debug))]
 pub struct Traverse<'a> {
     tree: &'a Tree,
     stack: Vec<ViewId>, // TODO: reuse the one we use on update
diff --git a/helix-view/src/view.rs b/helix-view/src/view.rs
index 7bd31305..e222c11c 100644
--- a/helix-view/src/view.rs
+++ b/helix-view/src/view.rs
@@ -12,6 +12,7 @@ pub const PADDING: usize = 5;
 
 type Jump = (DocumentId, Selection);
 
+#[cfg_attr(feature = "debug", derive(Debug))]
 pub struct JumpList {
     jumps: Vec<Jump>,
     current: usize,
@@ -58,6 +59,7 @@ impl JumpList {
     }
 }
 
+#[cfg_attr(feature = "debug", derive(Debug))]
 pub struct View {
     pub id: ViewId,
     pub doc: DocumentId,