main.cpp
int lua_cb = LUA_REFNIL;
int lua_cb_arg = LUA_REFNIL;
int setcb(lua_State *L)
{
lua_pushvalue(L, -2);
lua_callback = luaL_ref(L, LUA_REGISTRYINDEX);
lua_pushvalue(L, -1);
lua_cb_arg = luaL_ref(L, LUA_REGISTRYINDEX);
return 0;
}
int main()
{
lua_State* L = luaL_newstate();
top = lua_gettop(L);
luaopen_base(L);
luaL_openlibs(L);
//注册回调
lua_register(L, "setcb", setcb);
int ret = luaL_dofile(L, "test.lua");
if(ret != 0)
{
printf("%s", lua_tostring(L, -1));
}
//调用回调
lua_rawgeti(L, LUA_REGISTRYINDEX, lua_cb );
lua_rawgeti(L, LUA_REGISTRYINDEX, lua_cb_arg);
lua_call(L, 1, 0);
lua_close(L);
getchar();
return 1;
}
test.lua
local cb_arg = {a=1};
setcb(function(_arg)
print("cb' s arg is a table, arg.a=" .. _arg["a"]);
end, cb_arg);
原文链接: https://www.cnblogs.com/afan/p/6245871.html
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