1 files changed, 54 insertions, 3 deletions

diff --git a/core/object/script_language.cpp b/core/object/script_language.cpp
index 71f40660f4..a8b0e426ae 100644
--- a/core/object/script_language.cpp
+++ b/core/object/script_language.cpp
@@ -34,7 +34,6 @@
 #include "core/core_string_names.h"
 #include "core/debugger/engine_debugger.h"
 #include "core/debugger/script_debugger.h"
-#include "core/variant/typed_array.h"
 
 #include <stdint.h>
 
@@ -43,7 +42,7 @@ int ScriptServer::_language_count = 0;
 
 bool ScriptServer::scripting_enabled = true;
 bool ScriptServer::reload_scripts_on_save = false;
-bool ScriptServer::languages_finished = false;
+SafeFlag ScriptServer::languages_finished; // Used until GH-76581 is fixed properly.
 ScriptEditRequestFunction ScriptServer::edit_request_func = nullptr;
 
 void Script::_notification(int p_what) {
@@ -229,7 +228,7 @@ void ScriptServer::finish_languages() {
 		_languages[i]->finish();
 	}
 	global_classes_clear();
-	languages_finished = true;
+	languages_finished.set();
 }
 
 void ScriptServer::set_reload_scripts_on_save(bool p_enable) {
@@ -241,12 +240,18 @@ bool ScriptServer::is_reload_scripts_on_save_enabled() {
 }
 
 void ScriptServer::thread_enter() {
+	if (!languages_finished.is_set()) {
+		return;
+	}
 	for (int i = 0; i < _language_count; i++) {
 		_languages[i]->thread_enter();
 	}
 }
 
 void ScriptServer::thread_exit() {
+	if (!languages_finished.is_set()) {
+		return;
+	}
 	for (int i = 0; i < _language_count; i++) {
 		_languages[i]->thread_exit();
 	}
@@ -461,6 +466,52 @@ void ScriptLanguage::get_core_type_words(List<String> *p_core_type_words) const
 void ScriptLanguage::frame() {
 }
 
+TypedArray<int> ScriptLanguage::CodeCompletionOption::get_option_characteristics(const String &p_base) {
+	// Return characacteristics of the match found by order of importance.
+	// Matches will be ranked by a lexicographical order on the vector returned by this function.
+	// The lower values indicate better matches and that they should go before in the order of appearance.
+	if (last_matches == matches) {
+		return charac;
+	}
+	charac.clear();
+	// Ensure base is not empty and at the same time that matches is not empty too.
+	if (p_base.length() == 0) {
+		last_matches = matches;
+		charac.push_back(location);
+		return charac;
+	}
+	charac.push_back(matches.size());
+	charac.push_back((matches[0].first == 0) ? 0 : 1);
+	charac.push_back(location);
+	const char32_t *target_char = &p_base[0];
+	int bad_case = 0;
+	for (const Pair<int, int> &match_segment : matches) {
+		const char32_t *string_to_complete_char = &display[match_segment.first];
+		for (int j = 0; j < match_segment.second; j++, string_to_complete_char++, target_char++) {
+			if (*string_to_complete_char != *target_char) {
+				bad_case++;
+			}
+		}
+	}
+	charac.push_back(bad_case);
+	charac.push_back(matches[0].first);
+	last_matches = matches;
+	return charac;
+}
+
+void ScriptLanguage::CodeCompletionOption::clear_characteristics() {
+	charac = TypedArray<int>();
+}
+
+TypedArray<int> ScriptLanguage::CodeCompletionOption::get_option_cached_characteristics() const {
+	// Only returns the cached value and warns if it was not updated since the last change of matches.
+	if (last_matches != matches) {
+		WARN_PRINT("Characteristics are not up to date.");
+	}
+
+	return charac;
+}
+
 bool PlaceHolderScriptInstance::set(const StringName &p_name, const Variant &p_value) {
 	if (script->is_placeholder_fallback_enabled()) {
 		return false;