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#define SOL_ALL_SAFETIES_ON 1
#include <sol/sol.hpp>
#include <iostream>
int main () {
std::cout << "=== safe_script usage ===" << std::endl;
sol::state lua;
// uses sol::script_default_on_error, which either panics or throws,
// depending on your configuration and compiler settings
try {
auto result1 = lua.safe_script("bad.code");
}
catch( const sol::error& e ) {
std::cout << "an expected error has occurred: " << e.what() << std::endl;
}
// a custom handler that you write yourself
// is only called when an error happens with loading or running the script
auto result2 = lua.safe_script("123 bad.code", [](lua_State*, sol::protected_function_result pfr) {
// pfr will contain things that went wrong, for either loading or executing the script
// the user can do whatever they like here, including throw. Otherwise...
sol::error err = pfr;
std::cout << "An error (an expected one) occurred: " << err.what() << std::endl;
// ... they need to return the protected_function_result
return pfr;
});
std::cout << std::endl;
return 0;
}
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