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Diffstat (limited to '3rdparty/sol2/examples/require.cpp')
-rw-r--r-- | 3rdparty/sol2/examples/require.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/3rdparty/sol2/examples/require.cpp b/3rdparty/sol2/examples/require.cpp new file mode 100644 index 00000000000..a94765b9453 --- /dev/null +++ b/3rdparty/sol2/examples/require.cpp @@ -0,0 +1,47 @@ +#define SOL_CHECK_ARGUMENTS +#include <sol.hpp> +#include <cassert> + +#include <iostream> + +struct some_class { + int bark = 2012; +}; + +sol::table open_mylib(sol::this_state s) { + sol::state_view lua(s); + + sol::table module = lua.create_table(); + module["func"] = []() { /* super cool function here */ }; + // register a class too + module.new_usertype<some_class>("some_class", + "bark", &some_class::bark + ); + + return module; +} + +int main() { + std::cout << "=== require example ===" << std::endl; + + sol::state lua; + lua.open_libraries(sol::lib::package); + // sol::c_call takes functions at the template level + // and turns it into a lua_CFunction + // alternatively, one can use sol::c_call<sol::wrap<callable_struct, callable_struct{}>> to make the call + // if it's a constexpr struct + lua.require("my_lib", sol::c_call<decltype(&open_mylib), &open_mylib>); + + // do ALL THE THINGS YOU LIKE + lua.script(R"( +s = my_lib.some_class.new() +s.bark = 20; +)"); + some_class& s = lua["s"]; + assert(s.bark == 20); + std::cout << "s.bark = " << s.bark << std::endl; + + std::cout << std::endl; + + return 0; +}
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