Function lua_topointer

src/Chain/libraries/glua/lapi.cpp:432–444

LUA_API const void *lua_topointer(lua_State *L, int idx) {
    StkId o = index2addr(L, idx);
    switch (ttype(o)) {
    case LUA_TTABLE: return hvalue(o);
    case LUA_TLCL: return clLvalue(o);
    case LUA_TCCL: return clCvalue(o);
    case LUA_TLCF: return lua_cast(void *, lua_cast(size_t, fvalue(o)));
    case LUA_TTHREAD: return thvalue(o);
    case LUA_TUSERDATA: return getudatamem(uvalue(o));
    case LUA_TLIGHTUSERDATA: return pvalue(o);
    default: return nullptr;
    }
}