Function interactive

samples/fun_call_performance.cpp:234–264

}

void interactive(chaiscript::ChaiScript& chai)
{
  using_history();

  for (;;) {
    std::string input = get_next_command();
    try {
      // evaluate input
      chaiscript::Boxed_Value val = chai.eval(input);

      //Then, we try to print the result of the evaluation to the user
      if (!val.get_type_info().bare_equal(chaiscript::user_type<void>())) {
        try {
          std::cout << chai.eval<std::function<std::string(const chaiscript::Boxed_Value &bv)> >("to_string")(val) << std::endl;
        }
        catch (...) {} //If we can't, do nothing
      }
    }
    catch (const chaiscript::exception::eval_error &ee) {
      std::cout << ee.what();
      if (ee.call_stack.size() > 0) {
        std::cout << "during evaluation at (" << ee.call_stack[0].start().line << ", " << ee.call_stack[0].start().column << ")";
      }
      std::cout << std::endl;
    }
    catch (const std::exception &e) {
      std::cout << e.what();
      std::cout << std::endl;
    }
  }
}

int main(int argc, char *argv[])
{