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