54 lines
1.1 KiB
C++
54 lines
1.1 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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struct some_class {
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int bark = 2012;
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};
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sol::table open_mylib(sol::this_state s) {
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sol::state_view lua(s);
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sol::table module = lua.create_table();
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module["func"] = []() {
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/* super cool function here */
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return 2;
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};
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// register a class too
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module.new_usertype<some_class>(
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"some_class", "bark", &some_class::bark);
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return module;
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}
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int main() {
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std::cout << "=== require ===" << std::endl;
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sol::state lua;
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lua.open_libraries(sol::lib::package, sol::lib::base);
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// sol::c_call takes functions at the template level
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// and turns it into a lua_CFunction
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// alternatively, one can use
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// sol::c_call<sol::wrap<callable_struct,
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// callable_struct{}>> to make the call if it's a constexpr
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// struct
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lua.require("my_lib",
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sol::c_call<decltype(&open_mylib), &open_mylib>);
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// run some code against your require'd library
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lua.safe_script(R"(
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s = my_lib.some_class.new()
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assert(my_lib.func() == 2)
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s.bark = 20
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)");
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some_class& s = lua["s"];
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SOL_ASSERT(s.bark == 20);
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std::cout << "s.bark = " << s.bark << std::endl;
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std::cout << std::endl;
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return 0;
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}
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