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#define SOL_ALL_SAFETIES_ON 1
#include <sol/sol.hpp>
#include <iostream>
int main() {
std::cout << "=== basic ===" << std::endl;
// create an empty lua state
sol::state lua;
// by default, libraries are not opened
// you can open libraries by using open_libraries
// the libraries reside in the sol::lib enum class
lua.open_libraries(sol::lib::base);
// you can open all libraries by passing no arguments
// lua.open_libraries();
// call lua code directly
lua.script("print('hello world')");
// call lua code, and check to make sure it has loaded and
// run properly:
auto handler = &sol::script_default_on_error;
lua.script("print('hello again, world')", handler);
// Use a custom error handler if you need it
// This gets called when the result is bad
auto simple_handler =
[](lua_State*, sol::protected_function_result result) {
// You can just pass it through to let the
// call-site handle it
return result;
};
// the above lambda is identical to sol::simple_on_error,
// but it's shown here to show you can write whatever you
// like
//
{
auto result = lua.script(
"print('hello hello again, world') \n return 24",
simple_handler);
if (result.valid()) {
std::cout << "the third script worked, and a "
"double-hello statement should "
"appear above this one!"
<< std::endl;
int value = result;
SOL_ASSERT(value == 24);
}
else {
std::cout << "the third script failed, check the "
"result type for more information!"
<< std::endl;
}
}
{
auto result
= lua.script("does.not.exist", simple_handler);
if (result.valid()) {
std::cout << "the fourth script worked, which it "
"wasn't supposed to! Panic!"
<< std::endl;
int value = result;
SOL_ASSERT(value == 24);
}
else {
sol::error err = result;
std::cout << "the fourth script failed, which "
"was intentional!\t\nError: "
<< err.what() << std::endl;
}
}
std::cout << std::endl;
return 0;
}
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