Function find_field

library/LuaTypes.cpp:435–454

}

static void *find_field(lua_State *state, int index, const char *mode)
{
    lookup_field(state, index, mode);

    // Methods
    if (lua_isfunction(state, -1))
        return NULL;

    // Otherwise must be a pointer
    if (!lua_isuserdata(state, -1))
        field_error(state, index, "corrupted field table", mode);

    void *p = lua_touserdata(state, -1);
    lua_pop(state, 1);

    // NULL => metafield
    if (!p)
        get_metafield(state);
    return p;
}

static int cur_iter_index(lua_State *state, int len, int fidx, int first_idx = -1)
{