Fixes and cleanup

include/editor.h

@@ -105,6 +105,7 @@ struct Editor {
   std::vector<Highlight> query_map;
   std::vector<int8_t> folded;
   Spans spans;
+  Spans def_spans;
   std::map<uint32_t, bool> folded_node;
 };
 
@@ -128,8 +129,11 @@ void edit_erase(Editor *editor, Coord pos, int64_t len);
 void edit_insert(Editor *editor, Coord pos, char *data, uint32_t len);
 Coord editor_hit_test(Editor *editor, uint32_t x, uint32_t y);
 char *get_selection(Editor *editor, uint32_t *out_len);
+void editor_worker(Editor *editor);
 void word_boundaries(Editor *editor, Coord coord, uint32_t *prev_col,
                      uint32_t *next_col, uint32_t *prev_clusters,
                      uint32_t *next_clusters);
+void word_boundaries_exclusive(Editor *editor, Coord coord, uint32_t *prev_col,
+                               uint32_t *next_col);
 
 #endif

include/utils.h

@@ -2,9 +2,12 @@
 #define UTILS_H
 
 #include "./ts_def.h"
+#include <chrono>
+#include <functional>
 #include <mutex>
 #include <queue>
 #include <string>
+#include <thread>
 
 #define PCRE2_CODE_UNIT_WIDTH 8
 #define PCRE_WORKSPACE_SIZE 512
@@ -63,4 +66,23 @@ void copy_to_clipboard(const char *text, size_t len);
 char *get_from_clipboard(uint32_t *out_len);
 uint32_t count_clusters(const char *line, size_t len, size_t from, size_t to);
 
+template <typename Func, typename... Args>
+auto throttle(std::chrono::milliseconds min_duration, Func &&func,
+              Args &&...args) {
+  auto start = std::chrono::steady_clock::now();
+  if constexpr (std::is_void_v<std::invoke_result_t<Func, Args...>>) {
+    std::invoke(std::forward<Func>(func), std::forward<Args>(args)...);
+  } else {
+    auto result =
+        std::invoke(std::forward<Func>(func), std::forward<Args>(args)...);
+    auto elapsed = std::chrono::steady_clock::now() - start;
+    if (elapsed < min_duration)
+      std::this_thread::sleep_for(min_duration - elapsed);
+    return result;
+  }
+  auto elapsed = std::chrono::steady_clock::now() - start;
+  if (elapsed < min_duration)
+    std::this_thread::sleep_for(min_duration - elapsed);
+}
+
 #endif