Always print LuaScript execution errors

Author: gilzoide

src/script-language/LuaScript.cpp

@@ -111,10 +111,18 @@ Error LuaScript::_reload(bool keep_state) {
 	placeholder_fallback_enabled = true;
 	metadata.clear();
 
-	Variant result = LuaScriptLanguage::get_singleton()->get_lua_state()->do_string(source_code, get_path());
+	Variant result = LuaScriptLanguage::get_singleton()->get_lua_state()->load_string(source_code, get_path());
 	if (LuaError *error = Object::cast_to<LuaError>(result)) {
+		if (!Engine::get_singleton()->is_editor_hint()) {
+			ERR_PRINT(error->get_message());
+		}
 		return ERR_PARSE_ERROR;
 	}
+
+	result = Object::cast_to<LuaFunction>(result)->invokev(Array());
+	if (LuaError *error = Object::cast_to<LuaError>(result)) {
+		ERR_PRINT(result);
+	}
 	else if (LuaTable *table = Object::cast_to<LuaTable>(result)) {
 		placeholder_fallback_enabled = false;
 		metadata.setup(table->get_table());

src/script-language/LuaScriptLanguage.cpp

@@ -153,8 +153,8 @@ Dictionary LuaScriptLanguage::_validate(const String &script, const String &path
 	Variant f = lua_state->load_string(script, path);
 	if (LuaError *error = Object::cast_to<LuaError>(f)) {
 		if (validate_errors) {
-			auto line_re = RegEx::create_from_string(R":(\d+):");
-			auto match = line_re->search(error->get_message());
+			Ref<RegEx> line_re = RegEx::create_from_string(R":(\d+):");
+			Ref<RegExMatch> match = line_re->search(error->get_message());
 			Dictionary error_dict;
 			error_dict["path"] = path;
 			error_dict["line"] = match->get_string().to_int();