debugger: Parse and highlight text with ANSI escape sequences (#32915)

Relanding #32817 with an improved approach, bugs fixed, and a test.

Release Notes:

- N/A

crates/editor/src/display_map/custom_highlights.rs

@@ -1,16 +1,15 @@
 use collections::BTreeMap;
 use gpui::HighlightStyle;
 use language::Chunk;
-use multi_buffer::{Anchor, MultiBufferChunks, MultiBufferSnapshot, ToOffset as _};
+use multi_buffer::{MultiBufferChunks, MultiBufferSnapshot, ToOffset as _};
 use std::{
-    any::TypeId,
     cmp,
     iter::{self, Peekable},
     ops::Range,
-    sync::Arc,
     vec,
 };
-use sum_tree::TreeMap;
+
+use crate::display_map::{HighlightKey, TextHighlights};
 
 pub struct CustomHighlightsChunks<'a> {
     buffer_chunks: MultiBufferChunks<'a>,
@@ -19,15 +18,15 @@ pub struct CustomHighlightsChunks<'a> {
     multibuffer_snapshot: &'a MultiBufferSnapshot,
 
     highlight_endpoints: Peekable<vec::IntoIter<HighlightEndpoint>>,
-    active_highlights: BTreeMap<TypeId, HighlightStyle>,
-    text_highlights: Option<&'a TreeMap<TypeId, Arc<(HighlightStyle, Vec<Range<Anchor>>)>>>,
+    active_highlights: BTreeMap<HighlightKey, HighlightStyle>,
+    text_highlights: Option<&'a TextHighlights>,
 }
 
 #[derive(Debug, Copy, Clone, Eq, PartialEq)]
 struct HighlightEndpoint {
     offset: usize,
     is_start: bool,
-    tag: TypeId,
+    tag: HighlightKey,
     style: HighlightStyle,
 }
 
@@ -35,7 +34,7 @@ impl<'a> CustomHighlightsChunks<'a> {
     pub fn new(
         range: Range<usize>,
         language_aware: bool,
-        text_highlights: Option<&'a TreeMap<TypeId, Arc<(HighlightStyle, Vec<Range<Anchor>>)>>>,
+        text_highlights: Option<&'a TextHighlights>,
         multibuffer_snapshot: &'a MultiBufferSnapshot,
     ) -> Self {
         Self {
@@ -66,7 +65,7 @@ impl<'a> CustomHighlightsChunks<'a> {
 
 fn create_highlight_endpoints(
     range: &Range<usize>,
-    text_highlights: Option<&TreeMap<TypeId, Arc<(HighlightStyle, Vec<Range<Anchor>>)>>>,
+    text_highlights: Option<&TextHighlights>,
     buffer: &MultiBufferSnapshot,
 ) -> iter::Peekable<vec::IntoIter<HighlightEndpoint>> {
     let mut highlight_endpoints = Vec::new();

crates/editor/src/display_map/inlay_map.rs

@@ -1115,7 +1115,7 @@ mod tests {
     use super::*;
     use crate::{
         InlayId, MultiBuffer,
-        display_map::{InlayHighlights, TextHighlights},
+        display_map::{HighlightKey, InlayHighlights, TextHighlights},
         hover_links::InlayHighlight,
     };
     use gpui::{App, HighlightStyle};
@@ -1629,7 +1629,7 @@ mod tests {
             text_highlight_ranges.sort_by_key(|range| (range.start, Reverse(range.end)));
             log::info!("highlighting text ranges {text_highlight_ranges:?}");
             text_highlights.insert(
-                TypeId::of::<()>(),
+                HighlightKey::Type(TypeId::of::<()>()),
                 Arc::new((
                     HighlightStyle::default(),
                     text_highlight_ranges