Function newfuncwrapper

src/lffi.cpp:271–285

}

static FfiFuncWrapper *newfuncwrapper (lua_State *L) {
  auto fw = new (lua_newuserdata(L, sizeof(FfiFuncWrapper))) FfiFuncWrapper();
  if (luaL_newmetatable(L, "pluto:ffi-funcwrapper")) {
    lua_pushliteral(L, "__gc");
    lua_pushcfunction(L, [](lua_State *L) {
      pluto_errorifnotgc(L);
      std::destroy_at<>(checkfuncwrapper(L, 1));
      return 0;
    });
    lua_settable(L, -3);
  }
  lua_setmetatable(L, -2);
  lua_pushcclosure(L, ffi_funcwrapper_call, 1);
  return fw;
}

static int ffi_lib_wrap (lua_State *L) {
  auto fw = newfuncwrapper(L);