bit32 is missing under Lua 5.3

[Techokami]

This breaks programs that use it, like wocchat. 😞

[magik6k]

It's deprecated in Lua 5.3, Plan9k(MPT, not (yet) the floppy version) has compatibility code by default.

Workaround code:

--lua 5.3 <-> 5.2 compat
local bit32 = bit32 or load([[return {
    band = function(a, b) return a & b end,
    bor = function(a, b) return a | b end,
    bxor = function(a, b) return a ~ b end,
    bnot = function(a) return ~a end,
    rshift = function(a, n) return a >> n end,
    lshift = function(a, n) return a << n end,
}]])()

It's missing one or two functions IIRC, but it is enough for 99% of programs

[Vexatos]

"deprecated" meaning it's been completely removed from Lua 5.3. A workaround to re-add it would probably be good for compatibility, but I am not sure whether it should be done.

[Techokami]

Good to see that Plan9k uses it, shame that a lot of programs are made for OpenOS and haven't been ported over (like the aformentioned wocchat).
I'll try adding the compat code as a lib for the time being.

[Techokami]

Okay that code did not help:

[dgelessus]

If load returns false that means the code could not be compiled. What does print(load([[the code]])) show?

[fnuecke]

Eh, I suppose OpenOS could live with a compatibility lib in case it's 5.3, given how hot-swappable everything else is.

[fnuecke]

In OpenOS as of f738684. Someone might want to test this, I only did very rudimentary checking...

[Techokami]

I'll give it a spin later on.

[Techokami]

It seems to be working well! 😀