Make initial parse and code index generation happen async

code/custom/4coder_code_index.cpp

@@ -208,20 +208,6 @@ code_index_unlock(void){
   system_mutex_release(global_code_index.mutex);
 }
 
-function void
-code_index__hash_file(Code_Index_File *file){
-// TODO(PS): @RemoveWholeFileHashing - this isn't necessary since, to support incremental updates
-// we insert nodes into the hash table when the node is created
-#if 0
-  for (Code_Index_Note *node = file->note_list.first;
-       node != 0;
-       node = node->next){
-    Code_Index_Note_List_New *list = code_index__list_from_string(node->text);
-    code_index_note_list_hash_insert(list, list->sentinel_last.prev_in_hash, node);
-  }
-#endif
-}
-
 function void
 code_index__clear_file(Code_Index_File *file){
   for (Code_Index_Note *node = file->note_list.first;
@@ -249,8 +235,6 @@ code_index_set_file(Buffer_ID buffer, Arena arena, Code_Index_File *index){
   }
   storage->arena = arena;
   storage->file = index;
-
-  code_index__hash_file(index);
 }
 
 function void
@@ -387,8 +371,6 @@ code_index_shift_list(Code_Index_Note_List *list, Range_i64 old_range, u64 new_s
 function void
 code_index_shift(Code_Index_File *file, Range_i64 old_range, u64 new_size)
 {
-  // TODO(PS): @DontShiftNestList - This is unnecessary now that nest_list just gets fully rebuilt each edit
-  code_index_shift_list(&file->nest_list, old_range, new_size);
   code_index_shift_list(&file->scope_delim_list, old_range, new_size);
   code_index_shift_list(&file->note_list, old_range, new_size);
 }

code/custom/4coder_custom_hooks.cpp

@@ -35,9 +35,8 @@ BUFFER_HOOK_SIG(custom_begin_buffer){
 
   if (treat_as_code)
   {
-    // TODO(PS): @AsyncrifyThis???
-    tree_sitter_parse_incremental(app, buffer_id);
-    tree_sitter_code_index_update_full_file(app, buffer_id);
+    Async_Task* parse_task_ptr = scope_attachment(app, scope, buffer_parse_task, Async_Task);
+    *parse_task_ptr = async_task_no_dep(&global_async_system, tree_sitter_parse_full_file_async, make_data_struct(&buffer_id));
   }
 
   String_Const_u8 buffer_name = push_buffer_base_name(app, scratch, buffer_id);

code/custom/4coder_tree_sitter.cpp

@@ -325,6 +325,10 @@ tree_sitter_parse_full_file_async(Async_Context* actx, String_Const_u8 data)
     ts_tree_delete(old_buffer_tree);
   }
   tree_sitter_parse_state_destroy(&parse_state);
+
+  Managed_Scope scope = buffer_get_managed_scope(app, buffer_id);
+  Async_Task* code_index_update_task_ptr = scope_attachment(app, scope, buffer_update_code_index_task, Async_Task);
+  *code_index_update_task_ptr = async_task_no_dep(&global_async_system, tree_sitter_code_index_update_async, make_data_struct(&buffer_id));
 }
 
 function void
@@ -779,6 +783,16 @@ tree_sitter_code_index_update_tick(Application_Links* app)
     ProfileScope(app, "Incremental Parse");
     Buffer_ID buffer_id = modified_node->buffer;
     Managed_Scope buffer_scope = buffer_get_managed_scope(app, buffer_id);
+
+    Async_Task* async_parse_task = scope_attachment(app, buffer_scope, buffer_parse_task, Async_Task);
+    Async_Task* async_code_index_update_task = scope_attachment(app, buffer_scope, buffer_update_code_index_task, Async_Task);
+    if (async_task_is_running_or_pending(&global_async_system, *async_parse_task)) {
+      async_task_wait(app, &global_async_system, *async_parse_task);
+    }
+    if (async_task_is_running_or_pending(&global_async_system, *async_code_index_update_task)) {
+      async_task_wait(app, &global_async_system, *async_code_index_update_task);
+    }
+
     Buffer_Tree_Sitter_Data* tree_data = scope_attachment(app, buffer_scope, buffer_tree_sitter_data_id, Buffer_Tree_Sitter_Data);
     if (!tree_data || !tree_data->tree) continue;
 

code/custom/4coder_tree_sitter.h

@@ -105,8 +105,8 @@ struct Tree_Sitter_Code_Index_Update_State
 global Tree_Sitter_Languages tree_sitter_languages;
 
 CUSTOM_ID(attachment, buffer_tree_sitter_data_id);
-CUSTOM_ID(attachment, buffer_tree_sitter_parse_task_id);
-CUSTOM_ID(attachment, buffer_tree_sitter_update_code_index_task_id);
+CUSTOM_ID(attachment, buffer_parse_task);
+CUSTOM_ID(attachment, buffer_update_code_index_task);
 
 b8 use_tree_sitter_code_indexing = true;
 b8 use_tree_sitter_token_coloring = true;