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