Re-export basic text types from text and language crates

Also avoid production dependencies on fs and rope in collab

crates/editor/src/display_map/block_map.rs

@@ -5,9 +5,8 @@ use super::{
 use crate::{Anchor, ExcerptRange, ToPoint as _};
 use collections::{Bound, HashMap, HashSet};
 use gpui::{ElementBox, RenderContext};
-use language::{BufferSnapshot, Chunk, Patch};
+use language::{BufferSnapshot, Chunk, Patch, Point};
 use parking_lot::Mutex;
-use rope::point::Point;
 use std::{
     cell::RefCell,
     cmp::{self, Ordering},

crates/editor/src/display_map/fold_map.rs

@@ -5,9 +5,8 @@ use crate::{
 };
 use collections::BTreeMap;
 use gpui::fonts::HighlightStyle;
-use language::{Chunk, Edit, TextSummary};
+use language::{Chunk, Edit, Point, TextSummary};
 use parking_lot::Mutex;
-use rope::point::Point;
 use std::{
     any::TypeId,
     cmp::{self, Ordering},

crates/editor/src/display_map/tab_map.rs

@@ -3,10 +3,8 @@ use super::{
     TextHighlights,
 };
 use crate::MultiBufferSnapshot;
-use language::Chunk;
+use language::{Chunk, Point};
 use parking_lot::Mutex;
-use rope;
-use rope::point::Point;
 use std::{cmp, mem, num::NonZeroU32, ops::Range};
 use sum_tree::Bias;
 
@@ -372,7 +370,7 @@ pub struct TextSummary {
 
 impl<'a> From<&'a str> for TextSummary {
     fn from(text: &'a str) -> Self {
-        let sum = rope::TextSummary::from(text);
+        let sum = text::TextSummary::from(text);
 
         TextSummary {
             lines: sum.lines,
@@ -524,7 +522,7 @@ mod tests {
         log::info!("FoldMap text: {:?}", folds_snapshot.text());
 
         let (_, tabs_snapshot) = TabMap::new(folds_snapshot.clone(), tab_size);
-        let text = rope::Rope::from(tabs_snapshot.text().as_str());
+        let text = text::Rope::from(tabs_snapshot.text().as_str());
         log::info!(
             "TabMap text (tab size: {}): {:?}",
             tab_size,

crates/editor/src/display_map/wrap_map.rs

@@ -8,9 +8,8 @@ use gpui::{
     fonts::FontId, text_layout::LineWrapper, Entity, ModelContext, ModelHandle, MutableAppContext,
     Task,
 };
-use language::Chunk;
+use language::{Chunk, Point};
 use lazy_static::lazy_static;
-use rope::point::Point;
 use smol::future::yield_now;
 use std::{cmp, collections::VecDeque, mem, ops::Range, time::Duration};
 use sum_tree::{Bias, Cursor, SumTree};