run in crct gen mode even if table pieces file is not specified, just…

… throw warning

bin/assigner/src/main.cpp

@@ -829,7 +829,11 @@ int curve_dependent_main(std::string bytecode_file_name,
         return 0;
     }
 
-    if (gen_mode.has_circuit()) {
+    if (table_pieces_file_name == "") {
+        std::cerr << "table_pieces_file_name is not specified, skipping generation\n";
+    }
+
+    if (gen_mode.has_circuit() && table_pieces_file_name != "") {
 
         boost::json::object top_level_json;
         top_level_json["provers_amount"] = assigner_instance.assignments.size();
@@ -1253,11 +1257,14 @@ int main(int argc, char *argv[]) {
     if (vm.count("table-pieces")) {
         table_pieces_file_name = vm["table-pieces"].as<std::string>();
     } else {
-        if (gen_mode.has_circuit() || gen_mode.has_fast_tbl()) {
+        if (gen_mode.has_fast_tbl()) {
             std::cerr << "Invalid command line argument - table-pieces file name is not specified" << std::endl;
             std::cout << options_desc << std::endl;
             return 1;
         }
+        if (gen_mode.has_circuit()) {
+            std::cerr << "warning: table-pieces command line argument is not specified, file will not be generated" << std::endl;
+        }
     }
 
     if (vm.count("elliptic-curve-type")) {