Make syntax highlighting smoother

include/editor/editor.h

@@ -33,9 +33,8 @@ struct Editor {
   Queue<TSInputEdit> edit_queue;
   std::vector<Fold> folds;
   Spans spans;
-  // TODO: Split into 2 groups to have their own mutex's . one for word hl and
-  //       one for hex colors
-  Spans def_spans;
+  Spans word_spans;
+  Spans hex_color_spans;
   uint32_t hooks[94];
   bool jumper_set;
   std::shared_mutex v_mtx;

include/editor/spans.h

@@ -7,7 +7,7 @@
 struct Spans {
   std::vector<Span> spans;
   Queue<std::pair<uint32_t, int64_t>> edits;
-  bool mid_parse = false;
+  std::atomic<bool> mid_parse = false;
   std::shared_mutex mtx;
 };
 

include/io/knot.h

@@ -159,8 +159,10 @@ char *leaf_from_offset(Knot *root, uint32_t start_offset, uint32_t *out_len);
 // compliant) I.e some forms of backtracking etc. are not supported
 // root is the root of the rope to be searched
 // Returns a vector of pairs of start and length offsets (in bytes)
-std::vector<std::pair<size_t, size_t>> search_rope(Knot *root,
-                                                   const char *pattern);
+std::vector<std::pair<size_t, size_t>> search_rope_dfa(Knot *root,
+                                                       const char *pattern);
+
+std::vector<Match> search_rope(Knot *root, const char *pattern);
 
 // Helper function to free the rope
 // root is the root of the rope