diff options
Diffstat (limited to 'deps/sol2/examples/interop/LuaBridge/source/LuaBridge.cpp')
-rw-r--r-- | deps/sol2/examples/interop/LuaBridge/source/LuaBridge.cpp | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/deps/sol2/examples/interop/LuaBridge/source/LuaBridge.cpp b/deps/sol2/examples/interop/LuaBridge/source/LuaBridge.cpp deleted file mode 100644 index 81a9199..0000000 --- a/deps/sol2/examples/interop/LuaBridge/source/LuaBridge.cpp +++ /dev/null @@ -1,116 +0,0 @@ -#define SOL_ALL_SAFETIES_ON 1 -#define SOL_ENABLE_INTEROP 1 // MUST be defined to use interop features -#include <sol/sol.hpp> - -#include <LuaBridge/LuaBridge.h> - -#include <iostream> -#include <assert.hpp> - -// LuaBridge, -// no longer maintained, by VinnieFalco: -// https://github.com/vinniefalco/LuaBridge - -struct A { - - A(int v) - : v_(v) { - } - - void print() { - std::cout << "called A::print" << std::endl; - } - - int value() const { - return v_; - } - -private: - int v_ = 50; -}; - -template <typename T, typename Handler> -inline bool sol_lua_interop_check(sol::types<T>, lua_State* L, int relindex, sol::type index_type, Handler&& handler, sol::stack::record& tracking) { - // just marking unused parameters for no compiler warnings - (void)index_type; - (void)handler; - tracking.use(1); - int index = lua_absindex(L, relindex); - T* corrected = luabridge::Userdata::get<T>(L, index, true); - return corrected != nullptr; -} - -template <typename T> -inline std::pair<bool, T*> sol_lua_interop_get(sol::types<T> t, lua_State* L, int relindex, void* unadjusted_pointer, sol::stack::record& tracking) { - (void)unadjusted_pointer; - int index = lua_absindex(L, relindex); - if (!sol_lua_interop_check(t, L, index, sol::type::userdata, sol::no_panic, tracking)) { - return { false, nullptr }; - } - T* corrected = luabridge::Userdata::get<T>(L, index, true); - return { true, corrected }; -} - -void register_sol_stuff(lua_State* L) { - // grab raw state and put into state_view - // state_view is cheap to construct - sol::state_view lua(L); - // bind and set up your things: everything is entirely self-contained - lua["f"] = sol::overload( - [](A& from_luabridge) { - std::cout << "calling 1-argument version with luabridge-created A { " << from_luabridge.value() << " }" << std::endl; - c_assert(from_luabridge.value() == 24); - }, - [](A& from_luabridge, int second_arg) { - std::cout << "calling 2-argument version with luabridge-created A { " << from_luabridge.value() << " } and integer argument of " << second_arg << std::endl; - c_assert(from_luabridge.value() == 24); - c_assert(second_arg == 5); - }); -} - -void check_with_sol(lua_State* L) { - sol::state_view lua(L); - A& obj = lua["obj"]; - (void)obj; - c_assert(obj.value() == 24); -} - -int main(int, char* []) { - - std::cout << "=== interop example (LuaBridge) ===" << std::endl; - std::cout << "code modified from LuaBridge's examples: https://github.com/vinniefalco/LuaBridge" << std::endl; - - struct closer { - void operator()(lua_State* L) { - lua_close(L); - } - }; - - std::unique_ptr<lua_State, closer> state(luaL_newstate()); - lua_State* L = state.get(); - luaL_openlibs(L); - - luabridge::getGlobalNamespace(L) - .beginNamespace("test") - .beginClass<A>("A") - .addConstructor<void (*)(int)>() - .addFunction("print", &A::print) - .addFunction("value", &A::value) - .endClass() - .endNamespace(); - - register_sol_stuff(L); - - - if (luaL_dostring(L, R"( -obj = test.A(24) -f(obj) -- call 1 argument version -f(obj, 5) -- call 2 argument version -)")) { - lua_error(L); - } - - check_with_sol(L); - - return 0; -}
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